contrib/wpa_supplicant/src/drivers/driver_nl80211.c

   1 /*
   2  * Driver interaction with Linux nl80211/cfg80211
   3  * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
   4  * Copyright (c) 2003-2004, Instant802 Networks, Inc.
   5  * Copyright (c) 2005-2006, Devicescape Software, Inc.
   6  * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
   7  * Copyright (c) 2009-2010, Atheros Communications
   8  *
   9  * This software may be distributed under the terms of the BSD license.
  10  * See README for more details.
  11  */
  12
  13 #include "includes.h"
  14 #include <sys/types.h>
  15 #include <fcntl.h>
  16 #include <net/if.h>
  17 #include <netlink/genl/genl.h>
  18 #include <netlink/genl/ctrl.h>
  19 #ifdef CONFIG_LIBNL3_ROUTE
  20 #include <netlink/route/neighbour.h>
  21 #endif /* CONFIG_LIBNL3_ROUTE */
  22 #include <linux/rtnetlink.h>
  23 #include <netpacket/packet.h>
  24 #include <linux/errqueue.h>
  25
  26 #include "common.h"
  27 #include "eloop.h"
  28 #include "common/qca-vendor.h"
  29 #include "common/qca-vendor-attr.h"
  30 #include "common/ieee802_11_defs.h"
  31 #include "common/ieee802_11_common.h"
  32 #include "common/wpa_common.h"
  33 #include "l2_packet/l2_packet.h"
  34 #include "netlink.h"
  35 #include "linux_defines.h"
  36 #include "linux_ioctl.h"
  37 #include "radiotap.h"
  38 #include "radiotap_iter.h"
  39 #include "rfkill.h"
  40 #include "driver_nl80211.h"
  41
  42
  43 #ifndef NETLINK_CAP_ACK
  44 #define NETLINK_CAP_ACK 10
  45 #endif /* NETLINK_CAP_ACK */
  46 /* support for extack if compilation headers are too old */
  47 #ifndef NETLINK_EXT_ACK
  48 #define NETLINK_EXT_ACK 11
  49 enum nlmsgerr_attrs {
  50         NLMSGERR_ATTR_UNUSED,
  51         NLMSGERR_ATTR_MSG,
  52         NLMSGERR_ATTR_OFFS,
  53         NLMSGERR_ATTR_COOKIE,
  54
  55         __NLMSGERR_ATTR_MAX,
  56         NLMSGERR_ATTR_MAX = __NLMSGERR_ATTR_MAX - 1
  57 };
  58 #endif
  59 #ifndef NLM_F_CAPPED
  60 #define NLM_F_CAPPED 0x100
  61 #endif
  62 #ifndef NLM_F_ACK_TLVS
  63 #define NLM_F_ACK_TLVS 0x200
  64 #endif
  65 #ifndef SOL_NETLINK
  66 #define SOL_NETLINK 270
  67 #endif
  68
  69 #ifndef CONFIG_LIBNL20
  70 /*
  71  * libnl 1.1 has a bug, it tries to allocate socket numbers densely
  72  * but when you free a socket again it will mess up its bitmap and
  73  * and use the wrong number the next time it needs a socket ID.
  74  * Therefore, we wrap the handle alloc/destroy and add our own pid
  75  * accounting.
  76  */
  77 static uint32_t port_bitmap[32] = { 0 };
  78
  79 static struct nl_handle *nl80211_handle_alloc(void *cb)
  80 {
  81         struct nl_handle *handle;
  82         uint32_t pid = getpid() & 0x3FFFFF;
  83         int i;
  84
  85         handle = nl_handle_alloc_cb(cb);
  86
  87         for (i = 0; i < 1024; i++) {
  88                 if (port_bitmap[i / 32] & (1 << (i % 32)))
  89                         continue;
  90                 port_bitmap[i / 32] |= 1 << (i % 32);
  91                 pid += i << 22;
  92                 break;
  93         }
  94
  95         nl_socket_set_local_port(handle, pid);
  96
  97         return handle;
  98 }
  99
 100 static void nl80211_handle_destroy(struct nl_handle *handle)
 101 {
 102         uint32_t port = nl_socket_get_local_port(handle);
 103
 104         port >>= 22;
 105         port_bitmap[port / 32] &= ~(1 << (port % 32));
 106
 107         nl_handle_destroy(handle);
 108 }
 109 #endif /* CONFIG_LIBNL20 */
 110
 111
 112 #ifdef ANDROID
 113 /* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
 114 #undef nl_socket_set_nonblocking
 115 #define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
 116
 117 #endif /* ANDROID */
 118
 119
 120 static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
 121 {
 122         struct nl_handle *handle;
 123
 124         handle = nl80211_handle_alloc(cb);
 125         if (handle == NULL) {
 126                 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
 127                            "callbacks (%s)", dbg);
 128                 return NULL;
 129         }
 130
 131         if (genl_connect(handle)) {
 132                 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
 133                            "netlink (%s)", dbg);
 134                 nl80211_handle_destroy(handle);
 135                 return NULL;
 136         }
 137
 138         return handle;
 139 }
 140
 141
 142 static void nl_destroy_handles(struct nl_handle **handle)
 143 {
 144         if (*handle == NULL)
 145                 return;
 146         nl80211_handle_destroy(*handle);
 147         *handle = NULL;
 148 }
 149
 150
 151 #if __WORDSIZE == 64
 152 #define ELOOP_SOCKET_INVALID    (intptr_t) 0x8888888888888889ULL
 153 #else
 154 #define ELOOP_SOCKET_INVALID    (intptr_t) 0x88888889ULL
 155 #endif
 156
 157 static void nl80211_register_eloop_read(struct nl_handle **handle,
 158                                         eloop_sock_handler handler,
 159                                         void *eloop_data, int persist)
 160 {
 161 #ifdef CONFIG_LIBNL20
 162         /*
 163          * libnl uses a pretty small buffer (32 kB that gets converted to 64 kB)
 164          * by default. It is possible to hit that limit in some cases where
 165          * operations are blocked, e.g., with a burst of Deauthentication frames
 166          * to hostapd and STA entry deletion. Try to increase the buffer to make
 167          * this less likely to occur.
 168          */
 169         if (nl_socket_set_buffer_size(*handle, 262144, 0) < 0) {
 170                 wpa_printf(MSG_DEBUG,
 171                            "nl80211: Could not set nl_socket RX buffer size: %s",
 172                            strerror(errno));
 173                 /* continue anyway with the default (smaller) buffer */
 174         }
 175 #endif /* CONFIG_LIBNL20 */
 176
 177         nl_socket_set_nonblocking(*handle);
 178         eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
 179                                  eloop_data, *handle);
 180         if (!persist)
 181                 *handle = (void *) (((intptr_t) *handle) ^
 182                                     ELOOP_SOCKET_INVALID);
 183 }
 184
 185
 186 static void nl80211_destroy_eloop_handle(struct nl_handle **handle, int persist)
 187 {
 188         if (!persist)
 189                 *handle = (void *) (((intptr_t) *handle) ^
 190                                     ELOOP_SOCKET_INVALID);
 191         eloop_unregister_read_sock(nl_socket_get_fd(*handle));
 192         nl_destroy_handles(handle);
 193 }
 194
 195
 196 static void nl80211_global_deinit(void *priv);
 197 static void nl80211_check_global(struct nl80211_global *global);
 198
 199 static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
 200 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
 201                                             struct hostapd_freq_params *freq);
 202
 203 static int
 204 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
 205                                    const u8 *set_addr, int first,
 206                                    const char *driver_params);
 207 static int nl80211_send_frame_cmd(struct i802_bss *bss,
 208                                   unsigned int freq, unsigned int wait,
 209                                   const u8 *buf, size_t buf_len, u64 *cookie,
 210                                   int no_cck, int no_ack, int offchanok,
 211                                   const u16 *csa_offs, size_t csa_offs_len);
 212 static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
 213                                                int report);
 214
 215 #define IFIDX_ANY -1
 216
 217 static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
 218                       int ifidx_reason);
 219 static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
 220                       int ifidx_reason);
 221 static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
 222                       int ifidx_reason);
 223
 224 static int nl80211_set_channel(struct i802_bss *bss,
 225                                struct hostapd_freq_params *freq, int set_chan);
 226 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
 227                                      int ifindex, int disabled);
 228
 229 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
 230                               int reset_mode);
 231
 232 static int i802_set_iface_flags(struct i802_bss *bss, int up);
 233 static int nl80211_set_param(void *priv, const char *param);
 234 #ifdef CONFIG_MESH
 235 static int nl80211_put_mesh_config(struct nl_msg *msg,
 236                                    struct wpa_driver_mesh_bss_params *params);
 237 #endif /* CONFIG_MESH */
 238 static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
 239                              u16 reason);
 240
 241
 242 /* Converts nl80211_chan_width to a common format */
 243 enum chan_width convert2width(int width)
 244 {
 245         switch (width) {
 246         case NL80211_CHAN_WIDTH_20_NOHT:
 247                 return CHAN_WIDTH_20_NOHT;
 248         case NL80211_CHAN_WIDTH_20:
 249                 return CHAN_WIDTH_20;
 250         case NL80211_CHAN_WIDTH_40:
 251                 return CHAN_WIDTH_40;
 252         case NL80211_CHAN_WIDTH_80:
 253                 return CHAN_WIDTH_80;
 254         case NL80211_CHAN_WIDTH_80P80:
 255                 return CHAN_WIDTH_80P80;
 256         case NL80211_CHAN_WIDTH_160:
 257                 return CHAN_WIDTH_160;
 258         }
 259         return CHAN_WIDTH_UNKNOWN;
 260 }
 261
 262
 263 int is_ap_interface(enum nl80211_iftype nlmode)
 264 {
 265         return nlmode == NL80211_IFTYPE_AP ||
 266                 nlmode == NL80211_IFTYPE_P2P_GO;
 267 }
 268
 269
 270 int is_sta_interface(enum nl80211_iftype nlmode)
 271 {
 272         return nlmode == NL80211_IFTYPE_STATION ||
 273                 nlmode == NL80211_IFTYPE_P2P_CLIENT;
 274 }
 275
 276
 277 static int is_p2p_net_interface(enum nl80211_iftype nlmode)
 278 {
 279         return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
 280                 nlmode == NL80211_IFTYPE_P2P_GO;
 281 }
 282
 283
 284 struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
 285                                   int ifindex)
 286 {
 287         struct i802_bss *bss;
 288
 289         for (bss = drv->first_bss; bss; bss = bss->next) {
 290                 if (bss->ifindex == ifindex)
 291                         return bss;
 292         }
 293
 294         return NULL;
 295 }
 296
 297
 298 static int is_mesh_interface(enum nl80211_iftype nlmode)
 299 {
 300         return nlmode == NL80211_IFTYPE_MESH_POINT;
 301 }
 302
 303
 304 void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
 305 {
 306         if (drv->associated)
 307                 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
 308         drv->associated = 0;
 309         os_memset(drv->bssid, 0, ETH_ALEN);
 310         drv->first_bss->freq = 0;
 311 }
 312
 313
 314 /* nl80211 code */
 315 static int ack_handler(struct nl_msg *msg, void *arg)
 316 {
 317         int *err = arg;
 318         *err = 0;
 319         return NL_STOP;
 320 }
 321
 322 static int finish_handler(struct nl_msg *msg, void *arg)
 323 {
 324         int *ret = arg;
 325         *ret = 0;
 326         return NL_SKIP;
 327 }
 328
 329 static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
 330                          void *arg)
 331 {
 332         struct nlmsghdr *nlh = (struct nlmsghdr *) err - 1;
 333         int len = nlh->nlmsg_len;
 334         struct nlattr *attrs;
 335         struct nlattr *tb[NLMSGERR_ATTR_MAX + 1];
 336         int *ret = arg;
 337         int ack_len = sizeof(*nlh) + sizeof(int) + sizeof(*nlh);
 338
 339         *ret = err->error;
 340
 341         if (!(nlh->nlmsg_flags & NLM_F_ACK_TLVS))
 342                 return NL_SKIP;
 343
 344         if (!(nlh->nlmsg_flags & NLM_F_CAPPED))
 345                 ack_len += err->msg.nlmsg_len - sizeof(*nlh);
 346
 347         if (len <= ack_len)
 348                 return NL_STOP;
 349
 350         attrs = (void *) ((unsigned char *) nlh + ack_len);
 351         len -= ack_len;
 352
 353         nla_parse(tb, NLMSGERR_ATTR_MAX, attrs, len, NULL);
 354         if (tb[NLMSGERR_ATTR_MSG]) {
 355                 len = strnlen((char *) nla_data(tb[NLMSGERR_ATTR_MSG]),
 356                               nla_len(tb[NLMSGERR_ATTR_MSG]));
 357                 wpa_printf(MSG_ERROR, "nl80211: kernel reports: %*s",
 358                            len, (char *) nla_data(tb[NLMSGERR_ATTR_MSG]));
 359         }
 360
 361         return NL_SKIP;
 362 }
 363
 364
 365 static int no_seq_check(struct nl_msg *msg, void *arg)
 366 {
 367         return NL_OK;
 368 }
 369
 370
 371 static void nl80211_nlmsg_clear(struct nl_msg *msg)
 372 {
 373         /*
 374          * Clear nlmsg data, e.g., to make sure key material is not left in
 375          * heap memory for unnecessarily long time.
 376          */
 377         if (msg) {
 378                 struct nlmsghdr *hdr = nlmsg_hdr(msg);
 379                 void *data = nlmsg_data(hdr);
 380                 /*
 381                  * This would use nlmsg_datalen() or the older nlmsg_len() if
 382                  * only libnl were to maintain a stable API.. Neither will work
 383                  * with all released versions, so just calculate the length
 384                  * here.
 385                  */
 386                 int len = hdr->nlmsg_len - NLMSG_HDRLEN;
 387
 388                 os_memset(data, 0, len);
 389         }
 390 }
 391
 392
 393 static int send_and_recv(struct nl80211_global *global,
 394                          struct nl_handle *nl_handle, struct nl_msg *msg,
 395                          int (*valid_handler)(struct nl_msg *, void *),
 396                          void *valid_data)
 397 {
 398         struct nl_cb *cb;
 399         int err = -ENOMEM, opt;
 400
 401         if (!msg)
 402                 return -ENOMEM;
 403
 404         cb = nl_cb_clone(global->nl_cb);
 405         if (!cb)
 406                 goto out;
 407
 408         /* try to set NETLINK_EXT_ACK to 1, ignoring errors */
 409         opt = 1;
 410         setsockopt(nl_socket_get_fd(nl_handle), SOL_NETLINK,
 411                    NETLINK_EXT_ACK, &opt, sizeof(opt));
 412
 413         /* try to set NETLINK_CAP_ACK to 1, ignoring errors */
 414         opt = 1;
 415         setsockopt(nl_socket_get_fd(nl_handle), SOL_NETLINK,
 416                    NETLINK_CAP_ACK, &opt, sizeof(opt));
 417
 418         err = nl_send_auto_complete(nl_handle, msg);
 419         if (err < 0)
 420                 goto out;
 421
 422         err = 1;
 423
 424         nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
 425         nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
 426         nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
 427
 428         if (valid_handler)
 429                 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
 430                           valid_handler, valid_data);
 431
 432         while (err > 0) {
 433                 int res = nl_recvmsgs(nl_handle, cb);
 434                 if (res < 0) {
 435                         wpa_printf(MSG_INFO,
 436                                    "nl80211: %s->nl_recvmsgs failed: %d",
 437                                    __func__, res);
 438                 }
 439         }
 440  out:
 441         nl_cb_put(cb);
 442         if (!valid_handler && valid_data == (void *) -1)
 443                 nl80211_nlmsg_clear(msg);
 444         nlmsg_free(msg);
 445         return err;
 446 }
 447
 448
 449 int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
 450                        struct nl_msg *msg,
 451                        int (*valid_handler)(struct nl_msg *, void *),
 452                        void *valid_data)
 453 {
 454         return send_and_recv(drv->global, drv->global->nl, msg,
 455                              valid_handler, valid_data);
 456 }
 457
 458
 459 struct family_data {
 460         const char *group;
 461         int id;
 462 };
 463
 464
 465 static int family_handler(struct nl_msg *msg, void *arg)
 466 {
 467         struct family_data *res = arg;
 468         struct nlattr *tb[CTRL_ATTR_MAX + 1];
 469         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
 470         struct nlattr *mcgrp;
 471         int i;
 472
 473         nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
 474                   genlmsg_attrlen(gnlh, 0), NULL);
 475         if (!tb[CTRL_ATTR_MCAST_GROUPS])
 476                 return NL_SKIP;
 477
 478         nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
 479                 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
 480                 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
 481                           nla_len(mcgrp), NULL);
 482                 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
 483                     !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
 484                     os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
 485                                res->group,
 486                                nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
 487                         continue;
 488                 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
 489                 break;
 490         };
 491
 492         return NL_SKIP;
 493 }
 494
 495
 496 static int nl_get_multicast_id(struct nl80211_global *global,
 497                                const char *family, const char *group)
 498 {
 499         struct nl_msg *msg;
 500         int ret;
 501         struct family_data res = { group, -ENOENT };
 502
 503         msg = nlmsg_alloc();
 504         if (!msg)
 505                 return -ENOMEM;
 506         if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
 507                          0, 0, CTRL_CMD_GETFAMILY, 0) ||
 508             nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
 509                 nlmsg_free(msg);
 510                 return -1;
 511         }
 512
 513         ret = send_and_recv(global, global->nl, msg, family_handler, &res);
 514         if (ret == 0)
 515                 ret = res.id;
 516         return ret;
 517 }
 518
 519
 520 void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
 521                    struct nl_msg *msg, int flags, uint8_t cmd)
 522 {
 523         if (TEST_FAIL())
 524                 return NULL;
 525         return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
 526                            0, flags, cmd, 0);
 527 }
 528
 529
 530 static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
 531 {
 532         if (bss->wdev_id_set)
 533                 return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
 534         return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
 535 }
 536
 537
 538 struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
 539 {
 540         struct nl_msg *msg;
 541
 542         msg = nlmsg_alloc();
 543         if (!msg)
 544                 return NULL;
 545
 546         if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
 547             nl80211_set_iface_id(msg, bss) < 0) {
 548                 nlmsg_free(msg);
 549                 return NULL;
 550         }
 551
 552         return msg;
 553 }
 554
 555
 556 static struct nl_msg *
 557 nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
 558                     int flags, uint8_t cmd)
 559 {
 560         struct nl_msg *msg;
 561
 562         msg = nlmsg_alloc();
 563         if (!msg)
 564                 return NULL;
 565
 566         if (!nl80211_cmd(drv, msg, flags, cmd) ||
 567             nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
 568                 nlmsg_free(msg);
 569                 return NULL;
 570         }
 571
 572         return msg;
 573 }
 574
 575
 576 struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
 577                                 uint8_t cmd)
 578 {
 579         return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
 580 }
 581
 582
 583 struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
 584 {
 585         return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
 586 }
 587
 588
 589 struct wiphy_idx_data {
 590         int wiphy_idx;
 591         enum nl80211_iftype nlmode;
 592         u8 *macaddr;
 593 };
 594
 595
 596 static int netdev_info_handler(struct nl_msg *msg, void *arg)
 597 {
 598         struct nlattr *tb[NL80211_ATTR_MAX + 1];
 599         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
 600         struct wiphy_idx_data *info = arg;
 601
 602         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
 603                   genlmsg_attrlen(gnlh, 0), NULL);
 604
 605         if (tb[NL80211_ATTR_WIPHY])
 606                 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
 607
 608         if (tb[NL80211_ATTR_IFTYPE])
 609                 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
 610
 611         if (tb[NL80211_ATTR_MAC] && info->macaddr)
 612                 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
 613                           ETH_ALEN);
 614
 615         return NL_SKIP;
 616 }
 617
 618
 619 int nl80211_get_wiphy_index(struct i802_bss *bss)
 620 {
 621         struct nl_msg *msg;
 622         struct wiphy_idx_data data = {
 623                 .wiphy_idx = -1,
 624                 .macaddr = NULL,
 625         };
 626
 627         if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
 628                 return -1;
 629
 630         if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
 631                 return data.wiphy_idx;
 632         return -1;
 633 }
 634
 635
 636 static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
 637 {
 638         struct nl_msg *msg;
 639         struct wiphy_idx_data data = {
 640                 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
 641                 .macaddr = NULL,
 642         };
 643
 644         if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
 645                 return NL80211_IFTYPE_UNSPECIFIED;
 646
 647         if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
 648                 return data.nlmode;
 649         return NL80211_IFTYPE_UNSPECIFIED;
 650 }
 651
 652
 653 static int nl80211_get_macaddr(struct i802_bss *bss)
 654 {
 655         struct nl_msg *msg;
 656         struct wiphy_idx_data data = {
 657                 .macaddr = bss->addr,
 658         };
 659
 660         if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
 661                 return -1;
 662
 663         return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
 664 }
 665
 666
 667 static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
 668                                     struct nl80211_wiphy_data *w)
 669 {
 670         struct nl_msg *msg;
 671         int ret;
 672
 673         msg = nlmsg_alloc();
 674         if (!msg)
 675                 return -1;
 676
 677         if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
 678             nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
 679                 nlmsg_free(msg);
 680                 return -1;
 681         }
 682
 683         ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
 684         if (ret) {
 685                 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
 686                            "failed: ret=%d (%s)",
 687                            ret, strerror(-ret));
 688         }
 689         return ret;
 690 }
 691
 692
 693 static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
 694 {
 695         struct nl80211_wiphy_data *w = eloop_ctx;
 696         int res;
 697
 698         wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
 699
 700         res = nl_recvmsgs(handle, w->nl_cb);
 701         if (res < 0) {
 702                 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
 703                            __func__, res);
 704         }
 705 }
 706
 707
 708 static int process_beacon_event(struct nl_msg *msg, void *arg)
 709 {
 710         struct nl80211_wiphy_data *w = arg;
 711         struct wpa_driver_nl80211_data *drv;
 712         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
 713         struct nlattr *tb[NL80211_ATTR_MAX + 1];
 714         union wpa_event_data event;
 715
 716         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
 717                   genlmsg_attrlen(gnlh, 0), NULL);
 718
 719         if (gnlh->cmd != NL80211_CMD_FRAME) {
 720                 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
 721                            gnlh->cmd);
 722                 return NL_SKIP;
 723         }
 724
 725         if (!tb[NL80211_ATTR_FRAME])
 726                 return NL_SKIP;
 727
 728         dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
 729                          wiphy_list) {
 730                 os_memset(&event, 0, sizeof(event));
 731                 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
 732                 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
 733                 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
 734         }
 735
 736         return NL_SKIP;
 737 }
 738
 739
 740 static struct nl80211_wiphy_data *
 741 nl80211_get_wiphy_data_ap(struct i802_bss *bss)
 742 {
 743         static DEFINE_DL_LIST(nl80211_wiphys);
 744         struct nl80211_wiphy_data *w;
 745         int wiphy_idx, found = 0;
 746         struct i802_bss *tmp_bss;
 747         u8 channel;
 748
 749         if (bss->wiphy_data != NULL)
 750                 return bss->wiphy_data;
 751
 752         wiphy_idx = nl80211_get_wiphy_index(bss);
 753
 754         dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
 755                 if (w->wiphy_idx == wiphy_idx)
 756                         goto add;
 757         }
 758
 759         /* alloc new one */
 760         w = os_zalloc(sizeof(*w));
 761         if (w == NULL)
 762                 return NULL;
 763         w->wiphy_idx = wiphy_idx;
 764         dl_list_init(&w->bsss);
 765         dl_list_init(&w->drvs);
 766
 767         /* Beacon frames not supported in IEEE 802.11ad */
 768         if (ieee80211_freq_to_chan(bss->freq, &channel) !=
 769             HOSTAPD_MODE_IEEE80211AD) {
 770                 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
 771                 if (!w->nl_cb) {
 772                         os_free(w);
 773                         return NULL;
 774                 }
 775                 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
 776                           no_seq_check, NULL);
 777                 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
 778                           process_beacon_event, w);
 779
 780                 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
 781                                                  "wiphy beacons");
 782                 if (w->nl_beacons == NULL) {
 783                         os_free(w);
 784                         return NULL;
 785                 }
 786
 787                 if (nl80211_register_beacons(bss->drv, w)) {
 788                         nl_destroy_handles(&w->nl_beacons);
 789                         os_free(w);
 790                         return NULL;
 791                 }
 792
 793                 nl80211_register_eloop_read(&w->nl_beacons,
 794                                             nl80211_recv_beacons, w, 0);
 795         }
 796
 797         dl_list_add(&nl80211_wiphys, &w->list);
 798
 799 add:
 800         /* drv entry for this bss already there? */
 801         dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
 802                 if (tmp_bss->drv == bss->drv) {
 803                         found = 1;
 804                         break;
 805                 }
 806         }
 807         /* if not add it */
 808         if (!found)
 809                 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
 810
 811         dl_list_add(&w->bsss, &bss->wiphy_list);
 812         bss->wiphy_data = w;
 813         return w;
 814 }
 815
 816
 817 static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
 818 {
 819         struct nl80211_wiphy_data *w = bss->wiphy_data;
 820         struct i802_bss *tmp_bss;
 821         int found = 0;
 822
 823         if (w == NULL)
 824                 return;
 825         bss->wiphy_data = NULL;
 826         dl_list_del(&bss->wiphy_list);
 827
 828         /* still any for this drv present? */
 829         dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
 830                 if (tmp_bss->drv == bss->drv) {
 831                         found = 1;
 832                         break;
 833                 }
 834         }
 835         /* if not remove it */
 836         if (!found)
 837                 dl_list_del(&bss->drv->wiphy_list);
 838
 839         if (!dl_list_empty(&w->bsss))
 840                 return;
 841
 842         if (w->nl_beacons)
 843                 nl80211_destroy_eloop_handle(&w->nl_beacons, 0);
 844
 845         nl_cb_put(w->nl_cb);
 846         dl_list_del(&w->list);
 847         os_free(w);
 848 }
 849
 850
 851 static unsigned int nl80211_get_ifindex(void *priv)
 852 {
 853         struct i802_bss *bss = priv;
 854         struct wpa_driver_nl80211_data *drv = bss->drv;
 855
 856         return drv->ifindex;
 857 }
 858
 859
 860 static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
 861 {
 862         struct i802_bss *bss = priv;
 863         struct wpa_driver_nl80211_data *drv = bss->drv;
 864         if (!drv->associated)
 865                 return -1;
 866         os_memcpy(bssid, drv->bssid, ETH_ALEN);
 867         return 0;
 868 }
 869
 870
 871 static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
 872 {
 873         struct i802_bss *bss = priv;
 874         struct wpa_driver_nl80211_data *drv = bss->drv;
 875         if (!drv->associated)
 876                 return -1;
 877         os_memcpy(ssid, drv->ssid, drv->ssid_len);
 878         return drv->ssid_len;
 879 }
 880
 881
 882 static void wpa_driver_nl80211_event_newlink(
 883         struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
 884         int ifindex, const char *ifname)
 885 {
 886         union wpa_event_data event;
 887
 888         if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
 889                 if (if_nametoindex(drv->first_bss->ifname) == 0) {
 890                         wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
 891                                    drv->first_bss->ifname);
 892                         return;
 893                 }
 894                 if (!drv->if_removed)
 895                         return;
 896                 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
 897                            drv->first_bss->ifname);
 898                 drv->if_removed = 0;
 899         }
 900
 901         os_memset(&event, 0, sizeof(event));
 902         event.interface_status.ifindex = ifindex;
 903         os_strlcpy(event.interface_status.ifname, ifname,
 904                    sizeof(event.interface_status.ifname));
 905         event.interface_status.ievent = EVENT_INTERFACE_ADDED;
 906         if (drv)
 907                 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
 908         else
 909                 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
 910                                             &event);
 911 }
 912
 913
 914 static void wpa_driver_nl80211_event_dellink(
 915         struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
 916         int ifindex, const char *ifname)
 917 {
 918         union wpa_event_data event;
 919
 920         if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
 921                 if (drv->if_removed) {
 922                         wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
 923                                    ifname);
 924                         return;
 925                 }
 926                 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
 927                            ifname);
 928                 drv->if_removed = 1;
 929         } else {
 930                 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
 931                            ifname);
 932         }
 933
 934         os_memset(&event, 0, sizeof(event));
 935         event.interface_status.ifindex = ifindex;
 936         os_strlcpy(event.interface_status.ifname, ifname,
 937                    sizeof(event.interface_status.ifname));
 938         event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
 939         if (drv)
 940                 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
 941         else
 942                 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
 943                                             &event);
 944 }
 945
 946
 947 static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
 948                                          u8 *buf, size_t len)
 949 {
 950         int attrlen, rta_len;
 951         struct rtattr *attr;
 952
 953         attrlen = len;
 954         attr = (struct rtattr *) buf;
 955
 956         rta_len = RTA_ALIGN(sizeof(struct rtattr));
 957         while (RTA_OK(attr, attrlen)) {
 958                 if (attr->rta_type == IFLA_IFNAME) {
 959                         if (os_strcmp(((char *) attr) + rta_len,
 960                                       drv->first_bss->ifname) == 0)
 961                                 return 1;
 962                         else
 963                                 break;
 964                 }
 965                 attr = RTA_NEXT(attr, attrlen);
 966         }
 967
 968         return 0;
 969 }
 970
 971
 972 static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
 973                                           int ifindex, u8 *buf, size_t len)
 974 {
 975         if (drv->ifindex == ifindex)
 976                 return 1;
 977
 978         if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
 979                 nl80211_check_global(drv->global);
 980                 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
 981                            "interface");
 982                 if (wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL) < 0)
 983                         return -1;
 984                 return 1;
 985         }
 986
 987         return 0;
 988 }
 989
 990
 991 static struct wpa_driver_nl80211_data *
 992 nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len,
 993                  int *init_failed)
 994 {
 995         struct wpa_driver_nl80211_data *drv;
 996         int res;
 997
 998         if (init_failed)
 999                 *init_failed = 0;
1000         dl_list_for_each(drv, &global->interfaces,
1001                          struct wpa_driver_nl80211_data, list) {
1002                 res = wpa_driver_nl80211_own_ifindex(drv, idx, buf, len);
1003                 if (res < 0) {
1004                         wpa_printf(MSG_DEBUG,
1005                                    "nl80211: Found matching own interface, but failed to complete reinitialization");
1006                         if (init_failed)
1007                                 *init_failed = 1;
1008                         return drv;
1009                 }
1010                 if (res > 0 || have_ifidx(drv, idx, IFIDX_ANY))
1011                         return drv;
1012         }
1013         return NULL;
1014 }
1015
1016
1017 static void nl80211_refresh_mac(struct wpa_driver_nl80211_data *drv,
1018                                 int ifindex, int notify)
1019 {
1020         struct i802_bss *bss;
1021         u8 addr[ETH_ALEN];
1022
1023         bss = get_bss_ifindex(drv, ifindex);
1024         if (bss &&
1025             linux_get_ifhwaddr(drv->global->ioctl_sock,
1026                                bss->ifname, addr) < 0) {
1027                 wpa_printf(MSG_DEBUG,
1028                            "nl80211: %s: failed to re-read MAC address",
1029                            bss->ifname);
1030         } else if (bss && os_memcmp(addr, bss->addr, ETH_ALEN) != 0) {
1031                 wpa_printf(MSG_DEBUG,
1032                            "nl80211: Own MAC address on ifindex %d (%s) changed from "
1033                            MACSTR " to " MACSTR,
1034                            ifindex, bss->ifname,
1035                            MAC2STR(bss->addr), MAC2STR(addr));
1036                 os_memcpy(bss->addr, addr, ETH_ALEN);
1037                 if (notify)
1038                         wpa_supplicant_event(drv->ctx,
1039                                              EVENT_INTERFACE_MAC_CHANGED, NULL);
1040         }
1041 }
1042
1043
1044 static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
1045                                                  struct ifinfomsg *ifi,
1046                                                  u8 *buf, size_t len)
1047 {
1048         struct nl80211_global *global = ctx;
1049         struct wpa_driver_nl80211_data *drv;
1050         int attrlen;
1051         struct rtattr *attr;
1052         u32 brid = 0;
1053         char namebuf[IFNAMSIZ];
1054         char ifname[IFNAMSIZ + 1];
1055         char extra[100], *pos, *end;
1056         int init_failed;
1057
1058         extra[0] = '\0';
1059         pos = extra;
1060         end = pos + sizeof(extra);
1061         ifname[0] = '\0';
1062
1063         attrlen = len;
1064         attr = (struct rtattr *) buf;
1065         while (RTA_OK(attr, attrlen)) {
1066                 switch (attr->rta_type) {
1067                 case IFLA_IFNAME:
1068                         if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1069                                 break;
1070                         os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1071                         ifname[RTA_PAYLOAD(attr)] = '\0';
1072                         break;
1073                 case IFLA_MASTER:
1074                         brid = nla_get_u32((struct nlattr *) attr);
1075                         pos += os_snprintf(pos, end - pos, " master=%u", brid);
1076                         break;
1077                 case IFLA_WIRELESS:
1078                         pos += os_snprintf(pos, end - pos, " wext");
1079                         break;
1080                 case IFLA_OPERSTATE:
1081                         pos += os_snprintf(pos, end - pos, " operstate=%u",
1082                                            nla_get_u32((struct nlattr *) attr));
1083                         break;
1084                 case IFLA_LINKMODE:
1085                         pos += os_snprintf(pos, end - pos, " linkmode=%u",
1086                                            nla_get_u32((struct nlattr *) attr));
1087                         break;
1088                 }
1089                 attr = RTA_NEXT(attr, attrlen);
1090         }
1091         extra[sizeof(extra) - 1] = '\0';
1092
1093         wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1094                    ifi->ifi_index, ifname, extra, ifi->ifi_family,
1095                    ifi->ifi_flags,
1096                    (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1097                    (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1098                    (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1099                    (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
1100
1101         drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, &init_failed);
1102         if (!drv)
1103                 goto event_newlink;
1104         if (init_failed)
1105                 return; /* do not update interface state */
1106
1107         if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
1108                 namebuf[0] = '\0';
1109                 if (if_indextoname(ifi->ifi_index, namebuf) &&
1110                     linux_iface_up(drv->global->ioctl_sock, namebuf) > 0) {
1111                         wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1112                                    "event since interface %s is up", namebuf);
1113                         drv->ignore_if_down_event = 0;
1114                         /* Re-read MAC address as it may have changed */
1115                         nl80211_refresh_mac(drv, ifi->ifi_index, 1);
1116                         return;
1117                 }
1118                 wpa_printf(MSG_DEBUG, "nl80211: Interface down (%s/%s)",
1119                            namebuf, ifname);
1120                 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
1121                         wpa_printf(MSG_DEBUG,
1122                                    "nl80211: Not the main interface (%s) - do not indicate interface down",
1123                                    drv->first_bss->ifname);
1124                 } else if (drv->ignore_if_down_event) {
1125                         wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1126                                    "event generated by mode change");
1127                         drv->ignore_if_down_event = 0;
1128                 } else {
1129                         drv->if_disabled = 1;
1130                         wpa_supplicant_event(drv->ctx,
1131                                              EVENT_INTERFACE_DISABLED, NULL);
1132
1133                         /*
1134                          * Try to get drv again, since it may be removed as
1135                          * part of the EVENT_INTERFACE_DISABLED handling for
1136                          * dynamic interfaces
1137                          */
1138                         drv = nl80211_find_drv(global, ifi->ifi_index,
1139                                                buf, len, NULL);
1140                         if (!drv)
1141                                 return;
1142                 }
1143         }
1144
1145         if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
1146                 namebuf[0] = '\0';
1147                 if (if_indextoname(ifi->ifi_index, namebuf) &&
1148                     linux_iface_up(drv->global->ioctl_sock, namebuf) == 0) {
1149                         wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1150                                    "event since interface %s is down",
1151                                    namebuf);
1152                         return;
1153                 }
1154                 wpa_printf(MSG_DEBUG, "nl80211: Interface up (%s/%s)",
1155                            namebuf, ifname);
1156                 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
1157                         wpa_printf(MSG_DEBUG,
1158                                    "nl80211: Not the main interface (%s) - do not indicate interface up",
1159                                    drv->first_bss->ifname);
1160                 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
1161                         wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1162                                    "event since interface %s does not exist",
1163                                    drv->first_bss->ifname);
1164                 } else if (drv->if_removed) {
1165                         wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1166                                    "event since interface %s is marked "
1167                                    "removed", drv->first_bss->ifname);
1168                 } else {
1169                         /* Re-read MAC address as it may have changed */
1170                         nl80211_refresh_mac(drv, ifi->ifi_index, 0);
1171
1172                         drv->if_disabled = 0;
1173                         wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1174                                              NULL);
1175                 }
1176         }
1177
1178         /*
1179          * Some drivers send the association event before the operup event--in
1180          * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1181          * fails. This will hit us when wpa_supplicant does not need to do
1182          * IEEE 802.1X authentication
1183          */
1184         if (drv->operstate == 1 &&
1185             (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
1186             !(ifi->ifi_flags & IFF_RUNNING)) {
1187                 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
1188                 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
1189                                        -1, IF_OPER_UP);
1190         }
1191
1192 event_newlink:
1193         if (ifname[0])
1194                 wpa_driver_nl80211_event_newlink(global, drv, ifi->ifi_index,
1195                                                  ifname);
1196
1197         if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
1198                 struct i802_bss *bss;
1199
1200                 /* device has been added to bridge */
1201                 if (!if_indextoname(brid, namebuf)) {
1202                         wpa_printf(MSG_DEBUG,
1203                                    "nl80211: Could not find bridge ifname for ifindex %u",
1204                                    brid);
1205                         return;
1206                 }
1207                 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1208                            brid, namebuf);
1209                 add_ifidx(drv, brid, ifi->ifi_index);
1210
1211                 for (bss = drv->first_bss; bss; bss = bss->next) {
1212                         if (os_strcmp(ifname, bss->ifname) == 0) {
1213                                 os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1214                                 break;
1215                         }
1216                 }
1217         }
1218 }
1219
1220
1221 static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1222                                                  struct ifinfomsg *ifi,
1223                                                  u8 *buf, size_t len)
1224 {
1225         struct nl80211_global *global = ctx;
1226         struct wpa_driver_nl80211_data *drv;
1227         int attrlen;
1228         struct rtattr *attr;
1229         u32 brid = 0;
1230         char ifname[IFNAMSIZ + 1];
1231         char extra[100], *pos, *end;
1232
1233         extra[0] = '\0';
1234         pos = extra;
1235         end = pos + sizeof(extra);
1236         ifname[0] = '\0';
1237
1238         attrlen = len;
1239         attr = (struct rtattr *) buf;
1240         while (RTA_OK(attr, attrlen)) {
1241                 switch (attr->rta_type) {
1242                 case IFLA_IFNAME:
1243                         if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1244                                 break;
1245                         os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1246                         ifname[RTA_PAYLOAD(attr)] = '\0';
1247                         break;
1248                 case IFLA_MASTER:
1249                         brid = nla_get_u32((struct nlattr *) attr);
1250                         pos += os_snprintf(pos, end - pos, " master=%u", brid);
1251                         break;
1252                 case IFLA_OPERSTATE:
1253                         pos += os_snprintf(pos, end - pos, " operstate=%u",
1254                                            nla_get_u32((struct nlattr *) attr));
1255                         break;
1256                 case IFLA_LINKMODE:
1257                         pos += os_snprintf(pos, end - pos, " linkmode=%u",
1258                                            nla_get_u32((struct nlattr *) attr));
1259                         break;
1260                 }
1261                 attr = RTA_NEXT(attr, attrlen);
1262         }
1263         extra[sizeof(extra) - 1] = '\0';
1264
1265         wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1266                    ifi->ifi_index, ifname, extra, ifi->ifi_family,
1267                    ifi->ifi_flags,
1268                    (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1269                    (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1270                    (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1271                    (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
1272
1273         drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, NULL);
1274
1275         if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
1276                 /* device has been removed from bridge */
1277                 char namebuf[IFNAMSIZ];
1278
1279                 if (!if_indextoname(brid, namebuf)) {
1280                         wpa_printf(MSG_DEBUG,
1281                                    "nl80211: Could not find bridge ifname for ifindex %u",
1282                                    brid);
1283                 } else {
1284                         wpa_printf(MSG_DEBUG,
1285                                    "nl80211: Remove ifindex %u for bridge %s",
1286                                    brid, namebuf);
1287                 }
1288                 del_ifidx(drv, brid, ifi->ifi_index);
1289         }
1290
1291         if (ifi->ifi_family != AF_BRIDGE || !brid)
1292                 wpa_driver_nl80211_event_dellink(global, drv, ifi->ifi_index,
1293                                                  ifname);
1294 }
1295
1296
1297 struct nl80211_get_assoc_freq_arg {
1298         struct wpa_driver_nl80211_data *drv;
1299         unsigned int assoc_freq;
1300         unsigned int ibss_freq;
1301         u8 assoc_bssid[ETH_ALEN];
1302         u8 assoc_ssid[SSID_MAX_LEN];
1303         u8 assoc_ssid_len;
1304 };
1305
1306 static int nl80211_get_assoc_freq_handler(struct nl_msg *msg, void *arg)
1307 {
1308         struct nlattr *tb[NL80211_ATTR_MAX + 1];
1309         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1310         struct nlattr *bss[NL80211_BSS_MAX + 1];
1311         static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
1312                 [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC },
1313                 [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
1314                 [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC },
1315                 [NL80211_BSS_STATUS] = { .type = NLA_U32 },
1316         };
1317         struct nl80211_get_assoc_freq_arg *ctx = arg;
1318         enum nl80211_bss_status status;
1319
1320         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1321                   genlmsg_attrlen(gnlh, 0), NULL);
1322         if (!tb[NL80211_ATTR_BSS] ||
1323             nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
1324                              bss_policy) ||
1325             !bss[NL80211_BSS_STATUS])
1326                 return NL_SKIP;
1327
1328         status = nla_get_u32(bss[NL80211_BSS_STATUS]);
1329         if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1330             bss[NL80211_BSS_FREQUENCY]) {
1331                 ctx->assoc_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1332                 wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz",
1333                            ctx->assoc_freq);
1334         }
1335         if (status == NL80211_BSS_STATUS_IBSS_JOINED &&
1336             bss[NL80211_BSS_FREQUENCY]) {
1337                 ctx->ibss_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1338                 wpa_printf(MSG_DEBUG, "nl80211: IBSS-joined on %u MHz",
1339                            ctx->ibss_freq);
1340         }
1341         if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1342             bss[NL80211_BSS_BSSID]) {
1343                 os_memcpy(ctx->assoc_bssid,
1344                           nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN);
1345                 wpa_printf(MSG_DEBUG, "nl80211: Associated with "
1346                            MACSTR, MAC2STR(ctx->assoc_bssid));
1347         }
1348
1349         if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1350             bss[NL80211_BSS_INFORMATION_ELEMENTS]) {
1351                 const u8 *ie, *ssid;
1352                 size_t ie_len;
1353
1354                 ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1355                 ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1356                 ssid = get_ie(ie, ie_len, WLAN_EID_SSID);
1357                 if (ssid && ssid[1] > 0 && ssid[1] <= SSID_MAX_LEN) {
1358                         ctx->assoc_ssid_len = ssid[1];
1359                         os_memcpy(ctx->assoc_ssid, ssid + 2, ssid[1]);
1360                 }
1361         }
1362
1363         return NL_SKIP;
1364 }
1365
1366
1367 int nl80211_get_assoc_ssid(struct wpa_driver_nl80211_data *drv, u8 *ssid)
1368 {
1369         struct nl_msg *msg;
1370         int ret;
1371         struct nl80211_get_assoc_freq_arg arg;
1372
1373         msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1374         os_memset(&arg, 0, sizeof(arg));
1375         arg.drv = drv;
1376         ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler,
1377                                  &arg);
1378         if (ret == 0) {
1379                 os_memcpy(ssid, arg.assoc_ssid, arg.assoc_ssid_len);
1380                 return arg.assoc_ssid_len;
1381         }
1382         wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d (%s)",
1383                    ret, strerror(-ret));
1384         return ret;
1385 }
1386
1387
1388 unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
1389 {
1390         struct nl_msg *msg;
1391         int ret;
1392         struct nl80211_get_assoc_freq_arg arg;
1393
1394         msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1395         os_memset(&arg, 0, sizeof(arg));
1396         arg.drv = drv;
1397         ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler,
1398                                  &arg);
1399         if (ret == 0) {
1400                 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1401                         arg.ibss_freq : arg.assoc_freq;
1402                 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
1403                            "associated BSS from scan results: %u MHz", freq);
1404                 if (freq)
1405                         drv->assoc_freq = freq;
1406                 return drv->assoc_freq;
1407         }
1408         wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1409                    "(%s)", ret, strerror(-ret));
1410         return drv->assoc_freq;
1411 }
1412
1413
1414 static int get_link_signal(struct nl_msg *msg, void *arg)
1415 {
1416         struct nlattr *tb[NL80211_ATTR_MAX + 1];
1417         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1418         struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1419         static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1420                 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
1421                 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
1422                 [NL80211_STA_INFO_BEACON_SIGNAL_AVG] = { .type = NLA_U8 },
1423         };
1424         struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1425         static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1426                 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1427                 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1428                 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1429                 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1430         };
1431         struct wpa_signal_info *sig_change = arg;
1432
1433         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1434                   genlmsg_attrlen(gnlh, 0), NULL);
1435         if (!tb[NL80211_ATTR_STA_INFO] ||
1436             nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1437                              tb[NL80211_ATTR_STA_INFO], policy))
1438                 return NL_SKIP;
1439         if (!sinfo[NL80211_STA_INFO_SIGNAL])
1440                 return NL_SKIP;
1441
1442         sig_change->current_signal =
1443                 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1444
1445         if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1446                 sig_change->avg_signal =
1447                         (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
1448         else
1449                 sig_change->avg_signal = 0;
1450
1451         if (sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG])
1452                 sig_change->avg_beacon_signal =
1453                         (s8)
1454                         nla_get_u8(sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG]);
1455         else
1456                 sig_change->avg_beacon_signal = 0;
1457
1458         if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1459                 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1460                                      sinfo[NL80211_STA_INFO_TX_BITRATE],
1461                                      rate_policy)) {
1462                         sig_change->current_txrate = 0;
1463                 } else {
1464                         if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1465                                 sig_change->current_txrate =
1466                                         nla_get_u16(rinfo[
1467                                              NL80211_RATE_INFO_BITRATE]) * 100;
1468                         }
1469                 }
1470         }
1471
1472         return NL_SKIP;
1473 }
1474
1475
1476 int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1477                             struct wpa_signal_info *sig)
1478 {
1479         struct nl_msg *msg;
1480
1481         sig->current_signal = -WPA_INVALID_NOISE;
1482         sig->current_txrate = 0;
1483
1484         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
1485             nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) {
1486                 nlmsg_free(msg);
1487                 return -ENOBUFS;
1488         }
1489
1490         return send_and_recv_msgs(drv, msg, get_link_signal, sig);
1491 }
1492
1493
1494 static int get_link_noise(struct nl_msg *msg, void *arg)
1495 {
1496         struct nlattr *tb[NL80211_ATTR_MAX + 1];
1497         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1498         struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1499         static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1500                 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1501                 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1502         };
1503         struct wpa_signal_info *sig_change = arg;
1504
1505         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1506                   genlmsg_attrlen(gnlh, 0), NULL);
1507
1508         if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1509                 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1510                 return NL_SKIP;
1511         }
1512
1513         if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1514                              tb[NL80211_ATTR_SURVEY_INFO],
1515                              survey_policy)) {
1516                 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1517                            "attributes!");
1518                 return NL_SKIP;
1519         }
1520
1521         if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1522                 return NL_SKIP;
1523
1524         if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1525             sig_change->frequency)
1526                 return NL_SKIP;
1527
1528         if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1529                 return NL_SKIP;
1530
1531         sig_change->current_noise =
1532                 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1533
1534         return NL_SKIP;
1535 }
1536
1537
1538 int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1539                            struct wpa_signal_info *sig_change)
1540 {
1541         struct nl_msg *msg;
1542
1543         sig_change->current_noise = WPA_INVALID_NOISE;
1544         sig_change->frequency = drv->assoc_freq;
1545
1546         msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
1547         return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
1548 }
1549
1550
1551 static int get_channel_info(struct nl_msg *msg, void *arg)
1552 {
1553         struct nlattr *tb[NL80211_ATTR_MAX + 1] = { 0 };
1554         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1555         struct wpa_channel_info *chan_info = arg;
1556
1557         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1558                   genlmsg_attrlen(gnlh, 0), NULL);
1559
1560         os_memset(chan_info, 0, sizeof(struct wpa_channel_info));
1561         chan_info->chanwidth = CHAN_WIDTH_UNKNOWN;
1562
1563         if (tb[NL80211_ATTR_WIPHY_FREQ])
1564                 chan_info->frequency =
1565                         nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1566         if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1567                 chan_info->chanwidth = convert2width(
1568                         nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
1569         if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1570                 enum nl80211_channel_type ct =
1571                         nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1572
1573                 switch (ct) {
1574                 case NL80211_CHAN_HT40MINUS:
1575                         chan_info->sec_channel = -1;
1576                         break;
1577                 case NL80211_CHAN_HT40PLUS:
1578                         chan_info->sec_channel = 1;
1579                         break;
1580                 default:
1581                         chan_info->sec_channel = 0;
1582                         break;
1583                 }
1584         }
1585         if (tb[NL80211_ATTR_CENTER_FREQ1])
1586                 chan_info->center_frq1 =
1587                         nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1588         if (tb[NL80211_ATTR_CENTER_FREQ2])
1589                 chan_info->center_frq2 =
1590                         nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1591
1592         if (chan_info->center_frq2) {
1593                 u8 seg1_idx = 0;
1594
1595                 if (ieee80211_freq_to_chan(chan_info->center_frq2, &seg1_idx) !=
1596                     NUM_HOSTAPD_MODES)
1597                         chan_info->seg1_idx = seg1_idx;
1598         }
1599
1600         return NL_SKIP;
1601 }
1602
1603
1604 static int nl80211_channel_info(void *priv, struct wpa_channel_info *ci)
1605 {
1606         struct i802_bss *bss = priv;
1607         struct wpa_driver_nl80211_data *drv = bss->drv;
1608         struct nl_msg *msg;
1609
1610         msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
1611         return send_and_recv_msgs(drv, msg, get_channel_info, ci);
1612 }
1613
1614
1615 static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
1616                                              void *handle)
1617 {
1618         struct nl_cb *cb = eloop_ctx;
1619         int res;
1620
1621         wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
1622
1623         res = nl_recvmsgs(handle, cb);
1624         if (res < 0) {
1625                 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1626                            __func__, res);
1627         }
1628 }
1629
1630
1631 /**
1632  * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1633  * @priv: driver_nl80211 private data
1634  * @alpha2_arg: country to which to switch to
1635  * Returns: 0 on success, -1 on failure
1636  *
1637  * This asks nl80211 to set the regulatory domain for given
1638  * country ISO / IEC alpha2.
1639  */
1640 static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1641 {
1642         struct i802_bss *bss = priv;
1643         struct wpa_driver_nl80211_data *drv = bss->drv;
1644         char alpha2[3];
1645         struct nl_msg *msg;
1646
1647         msg = nlmsg_alloc();
1648         if (!msg)
1649                 return -ENOMEM;
1650
1651         alpha2[0] = alpha2_arg[0];
1652         alpha2[1] = alpha2_arg[1];
1653         alpha2[2] = '\0';
1654
1655         if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1656             nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1657                 nlmsg_free(msg);
1658                 return -EINVAL;
1659         }
1660         if (send_and_recv_msgs(drv, msg, NULL, NULL))
1661                 return -EINVAL;
1662         return 0;
1663 }
1664
1665
1666 static int nl80211_get_country(struct nl_msg *msg, void *arg)
1667 {
1668         char *alpha2 = arg;
1669         struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1670         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1671
1672         nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1673                   genlmsg_attrlen(gnlh, 0), NULL);
1674         if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1675                 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1676                 return NL_SKIP;
1677         }
1678         os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1679         return NL_SKIP;
1680 }
1681
1682
1683 static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1684 {
1685         struct i802_bss *bss = priv;
1686         struct wpa_driver_nl80211_data *drv = bss->drv;
1687         struct nl_msg *msg;
1688         int ret;
1689
1690         msg = nlmsg_alloc();
1691         if (!msg)
1692                 return -ENOMEM;
1693
1694         nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1695         alpha2[0] = '\0';
1696         ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
1697         if (!alpha2[0])
1698                 ret = -1;
1699
1700         return ret;
1701 }
1702
1703
1704 static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
1705 {
1706         int ret;
1707
1708         global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1709         if (global->nl_cb == NULL) {
1710                 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1711                            "callbacks");
1712                 return -1;
1713         }
1714
1715         global->nl = nl_create_handle(global->nl_cb, "nl");
1716         if (global->nl == NULL)
1717                 goto err;
1718
1719         global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
1720         if (global->nl80211_id < 0) {
1721                 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1722                            "found");
1723                 goto err;
1724         }
1725
1726         global->nl_event = nl_create_handle(global->nl_cb, "event");
1727         if (global->nl_event == NULL)
1728                 goto err;
1729
1730         ret = nl_get_multicast_id(global, "nl80211", "scan");
1731         if (ret >= 0)
1732                 ret = nl_socket_add_membership(global->nl_event, ret);
1733         if (ret < 0) {
1734                 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1735                            "membership for scan events: %d (%s)",
1736                            ret, strerror(-ret));
1737                 goto err;
1738         }
1739
1740         ret = nl_get_multicast_id(global, "nl80211", "mlme");
1741         if (ret >= 0)
1742                 ret = nl_socket_add_membership(global->nl_event, ret);
1743         if (ret < 0) {
1744                 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1745                            "membership for mlme events: %d (%s)",
1746                            ret, strerror(-ret));
1747                 goto err;
1748         }
1749
1750         ret = nl_get_multicast_id(global, "nl80211", "regulatory");
1751         if (ret >= 0)
1752                 ret = nl_socket_add_membership(global->nl_event, ret);
1753         if (ret < 0) {
1754                 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1755                            "membership for regulatory events: %d (%s)",
1756                            ret, strerror(-ret));
1757                 /* Continue without regulatory events */
1758         }
1759
1760         ret = nl_get_multicast_id(global, "nl80211", "vendor");
1761         if (ret >= 0)
1762                 ret = nl_socket_add_membership(global->nl_event, ret);
1763         if (ret < 0) {
1764                 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1765                            "membership for vendor events: %d (%s)",
1766                            ret, strerror(-ret));
1767                 /* Continue without vendor events */
1768         }
1769
1770         nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1771                   no_seq_check, NULL);
1772         nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1773                   process_global_event, global);
1774
1775         nl80211_register_eloop_read(&global->nl_event,
1776                                     wpa_driver_nl80211_event_receive,
1777                                     global->nl_cb, 0);
1778
1779         return 0;
1780
1781 err:
1782         nl_destroy_handles(&global->nl_event);
1783         nl_destroy_handles(&global->nl);
1784         nl_cb_put(global->nl_cb);
1785         global->nl_cb = NULL;
1786         return -1;
1787 }
1788
1789
1790 static void nl80211_check_global(struct nl80211_global *global)
1791 {
1792         struct nl_handle *handle;
1793         const char *groups[] = { "scan", "mlme", "regulatory", "vendor", NULL };
1794         int ret;
1795         unsigned int i;
1796
1797         /*
1798          * Try to re-add memberships to handle case of cfg80211 getting reloaded
1799          * and all registration having been cleared.
1800          */
1801         handle = (void *) (((intptr_t) global->nl_event) ^
1802                            ELOOP_SOCKET_INVALID);
1803
1804         for (i = 0; groups[i]; i++) {
1805                 ret = nl_get_multicast_id(global, "nl80211", groups[i]);
1806                 if (ret >= 0)
1807                         ret = nl_socket_add_membership(handle, ret);
1808                 if (ret < 0) {
1809                         wpa_printf(MSG_INFO,
1810                                    "nl80211: Could not re-add multicast membership for %s events: %d (%s)",
1811                                    groups[i], ret, strerror(-ret));
1812                 }
1813         }
1814 }
1815
1816
1817 static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
1818 {
1819         struct wpa_driver_nl80211_data *drv = ctx;
1820
1821         wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
1822
1823         /*
1824          * rtnetlink ifdown handler will report interfaces other than the P2P
1825          * Device interface as disabled.
1826          */
1827         if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1828                 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL);
1829 }
1830
1831
1832 static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
1833 {
1834         struct wpa_driver_nl80211_data *drv = ctx;
1835         wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
1836         if (i802_set_iface_flags(drv->first_bss, 1)) {
1837                 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
1838                            "after rfkill unblock");
1839                 return;
1840         }
1841
1842         if (is_p2p_net_interface(drv->nlmode))
1843                 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
1844
1845         /*
1846          * rtnetlink ifup handler will report interfaces other than the P2P
1847          * Device interface as enabled.
1848          */
1849         if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1850                 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL);
1851 }
1852
1853
1854 static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
1855                                                       void *eloop_ctx,
1856                                                       void *handle)
1857 {
1858         struct wpa_driver_nl80211_data *drv = eloop_ctx;
1859         u8 data[2048];
1860         struct msghdr msg;
1861         struct iovec entry;
1862         u8 control[512];
1863         struct cmsghdr *cmsg;
1864         int res, found_ee = 0, found_wifi = 0, acked = 0;
1865         union wpa_event_data event;
1866
1867         memset(&msg, 0, sizeof(msg));
1868         msg.msg_iov = &entry;
1869         msg.msg_iovlen = 1;
1870         entry.iov_base = data;
1871         entry.iov_len = sizeof(data);
1872         msg.msg_control = &control;
1873         msg.msg_controllen = sizeof(control);
1874
1875         res = recvmsg(sock, &msg, MSG_ERRQUEUE);
1876         /* if error or not fitting 802.3 header, return */
1877         if (res < 14)
1878                 return;
1879
1880         for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
1881         {
1882                 if (cmsg->cmsg_level == SOL_SOCKET &&
1883                     cmsg->cmsg_type == SCM_WIFI_STATUS) {
1884                         int *ack;
1885
1886                         found_wifi = 1;
1887                         ack = (void *)CMSG_DATA(cmsg);
1888                         acked = *ack;
1889                 }
1890
1891                 if (cmsg->cmsg_level == SOL_PACKET &&
1892                     cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
1893                         struct sock_extended_err *err =
1894                                 (struct sock_extended_err *)CMSG_DATA(cmsg);
1895
1896                         if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
1897                                 found_ee = 1;
1898                 }
1899         }
1900
1901         if (!found_ee || !found_wifi)
1902                 return;
1903
1904         memset(&event, 0, sizeof(event));
1905         event.eapol_tx_status.dst = data;
1906         event.eapol_tx_status.data = data + 14;
1907         event.eapol_tx_status.data_len = res - 14;
1908         event.eapol_tx_status.ack = acked;
1909         wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
1910 }
1911
1912
1913 static int nl80211_init_bss(struct i802_bss *bss)
1914 {
1915         bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1916         if (!bss->nl_cb)
1917                 return -1;
1918
1919         nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1920                   no_seq_check, NULL);
1921         nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1922                   process_bss_event, bss);
1923
1924         return 0;
1925 }
1926
1927
1928 static void nl80211_destroy_bss(struct i802_bss *bss)
1929 {
1930         nl_cb_put(bss->nl_cb);
1931         bss->nl_cb = NULL;
1932 }
1933
1934
1935 static void
1936 wpa_driver_nl80211_drv_init_rfkill(struct wpa_driver_nl80211_data *drv)
1937 {
1938         struct rfkill_config *rcfg;
1939
1940         if (drv->rfkill)
1941                 return;
1942
1943         rcfg = os_zalloc(sizeof(*rcfg));
1944         if (!rcfg)
1945                 return;
1946
1947         rcfg->ctx = drv;
1948
1949         /* rfkill uses netdev sysfs for initialization. However, P2P Device is
1950          * not associated with a netdev, so use the name of some other interface
1951          * sharing the same wiphy as the P2P Device interface.
1952          *
1953          * Note: This is valid, as a P2P Device interface is always dynamically
1954          * created and is created only once another wpa_s interface was added.
1955          */
1956         if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) {
1957                 struct nl80211_global *global = drv->global;
1958                 struct wpa_driver_nl80211_data *tmp1;
1959
1960                 dl_list_for_each(tmp1, &global->interfaces,
1961                                  struct wpa_driver_nl80211_data, list) {
1962                         if (drv == tmp1 || drv->wiphy_idx != tmp1->wiphy_idx ||
1963                             !tmp1->rfkill)
1964                                 continue;
1965
1966                         wpa_printf(MSG_DEBUG,
1967                                    "nl80211: Use (%s) to initialize P2P Device rfkill",
1968                                    tmp1->first_bss->ifname);
1969                         os_strlcpy(rcfg->ifname, tmp1->first_bss->ifname,
1970                                    sizeof(rcfg->ifname));
1971                         break;
1972                 }
1973         } else {
1974                 os_strlcpy(rcfg->ifname, drv->first_bss->ifname,
1975                            sizeof(rcfg->ifname));
1976         }
1977
1978         rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
1979         rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
1980         drv->rfkill = rfkill_init(rcfg);
1981         if (!drv->rfkill) {
1982                 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
1983                 os_free(rcfg);
1984         }
1985 }
1986
1987
1988 static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
1989                                           void *global_priv, int hostapd,
1990                                           const u8 *set_addr,
1991                                           const char *driver_params)
1992 {
1993         struct wpa_driver_nl80211_data *drv;
1994         struct i802_bss *bss;
1995
1996         if (global_priv == NULL)
1997                 return NULL;
1998         drv = os_zalloc(sizeof(*drv));
1999         if (drv == NULL)
2000                 return NULL;
2001         drv->global = global_priv;
2002         drv->ctx = ctx;
2003         drv->hostapd = !!hostapd;
2004         drv->eapol_sock = -1;
2005
2006         /*
2007          * There is no driver capability flag for this, so assume it is
2008          * supported and disable this on first attempt to use if the driver
2009          * rejects the command due to missing support.
2010          */
2011         drv->set_rekey_offload = 1;
2012
2013         drv->num_if_indices = ARRAY_SIZE(drv->default_if_indices);
2014         drv->if_indices = drv->default_if_indices;
2015
2016         drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
2017         if (!drv->first_bss) {
2018                 os_free(drv);
2019                 return NULL;
2020         }
2021         bss = drv->first_bss;
2022         bss->drv = drv;
2023         bss->ctx = ctx;
2024
2025         os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
2026         drv->monitor_ifidx = -1;
2027         drv->monitor_sock = -1;
2028         drv->eapol_tx_sock = -1;
2029         drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
2030
2031         if (nl80211_init_bss(bss))
2032                 goto failed;
2033
2034         if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
2035                 goto failed;
2036
2037         drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
2038         if (drv->eapol_tx_sock < 0)
2039                 goto failed;
2040
2041         if (drv->data_tx_status) {
2042                 int enabled = 1;
2043
2044                 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
2045                                &enabled, sizeof(enabled)) < 0) {
2046                         wpa_printf(MSG_DEBUG,
2047                                 "nl80211: wifi status sockopt failed\n");
2048                         drv->data_tx_status = 0;
2049                         if (!drv->use_monitor)
2050                                 drv->capa.flags &=
2051                                         ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
2052                 } else {
2053                         eloop_register_read_sock(drv->eapol_tx_sock,
2054                                 wpa_driver_nl80211_handle_eapol_tx_status,
2055                                 drv, NULL);
2056                 }
2057         }
2058
2059         if (drv->global) {
2060                 nl80211_check_global(drv->global);
2061                 dl_list_add(&drv->global->interfaces, &drv->list);
2062                 drv->in_interface_list = 1;
2063         }
2064
2065         return bss;
2066
2067 failed:
2068         wpa_driver_nl80211_deinit(bss);
2069         return NULL;
2070 }
2071
2072
2073 /**
2074  * wpa_driver_nl80211_init - Initialize nl80211 driver interface
2075  * @ctx: context to be used when calling wpa_supplicant functions,
2076  * e.g., wpa_supplicant_event()
2077  * @ifname: interface name, e.g., wlan0
2078  * @global_priv: private driver global data from global_init()
2079  * Returns: Pointer to private data, %NULL on failure
2080  */
2081 static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
2082                                       void *global_priv)
2083 {
2084         return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
2085                                            NULL);
2086 }
2087
2088
2089 static int nl80211_register_frame(struct i802_bss *bss,
2090                                   struct nl_handle *nl_handle,
2091                                   u16 type, const u8 *match, size_t match_len)
2092 {
2093         struct wpa_driver_nl80211_data *drv = bss->drv;
2094         struct nl_msg *msg;
2095         int ret;
2096         char buf[30];
2097
2098         buf[0] = '\0';
2099         wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
2100         wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
2101                    type, fc2str(type), nl_handle, buf);
2102
2103         if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_ACTION)) ||
2104             nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
2105             nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
2106                 nlmsg_free(msg);
2107                 return -1;
2108         }
2109
2110         ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
2111         if (ret) {
2112                 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
2113                            "failed (type=%u): ret=%d (%s)",
2114                            type, ret, strerror(-ret));
2115                 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
2116                             match, match_len);
2117         }
2118         return ret;
2119 }
2120
2121
2122 static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
2123 {
2124         if (bss->nl_mgmt) {
2125                 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
2126                            "already on! (nl_mgmt=%p)", bss->nl_mgmt);
2127                 return -1;
2128         }
2129
2130         bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt");
2131         if (bss->nl_mgmt == NULL)
2132                 return -1;
2133
2134         return 0;
2135 }
2136
2137
2138 static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
2139 {
2140         nl80211_register_eloop_read(&bss->nl_mgmt,
2141                                     wpa_driver_nl80211_event_receive,
2142                                     bss->nl_cb, 0);
2143 }
2144
2145
2146 static int nl80211_register_action_frame(struct i802_bss *bss,
2147                                          const u8 *match, size_t match_len)
2148 {
2149         u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
2150         return nl80211_register_frame(bss, bss->nl_mgmt,
2151                                       type, match, match_len);
2152 }
2153
2154
2155 static int nl80211_init_connect_handle(struct i802_bss *bss)
2156 {
2157         if (bss->nl_connect) {
2158                 wpa_printf(MSG_DEBUG,
2159                            "nl80211: Connect handle already created (nl_connect=%p)",
2160                            bss->nl_connect);
2161                 return -1;
2162         }
2163
2164         bss->nl_connect = nl_create_handle(bss->nl_cb, "connect");
2165         if (!bss->nl_connect)
2166                 return -1;
2167         nl80211_register_eloop_read(&bss->nl_connect,
2168                                     wpa_driver_nl80211_event_receive,
2169                                     bss->nl_cb, 1);
2170         return 0;
2171 }
2172
2173
2174 static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
2175 {
2176         struct wpa_driver_nl80211_data *drv = bss->drv;
2177         int ret = 0;
2178
2179         if (nl80211_alloc_mgmt_handle(bss))
2180                 return -1;
2181         wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
2182                    "handle %p", bss->nl_mgmt);
2183
2184         if (drv->nlmode == NL80211_IFTYPE_ADHOC ||
2185             ((drv->capa.flags & WPA_DRIVER_FLAGS_SAE) &&
2186              !(drv->capa.flags & WPA_DRIVER_FLAGS_SME))) {
2187                 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
2188
2189                 /* register for any AUTH message */
2190                 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
2191         }
2192
2193 #ifdef CONFIG_INTERWORKING
2194         /* QoS Map Configure */
2195         if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
2196                 ret = -1;
2197 #endif /* CONFIG_INTERWORKING */
2198 #if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING) || defined(CONFIG_DPP)
2199         /* GAS Initial Request */
2200         if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
2201                 ret = -1;
2202         /* GAS Initial Response */
2203         if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
2204                 ret = -1;
2205         /* GAS Comeback Request */
2206         if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
2207                 ret = -1;
2208         /* GAS Comeback Response */
2209         if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
2210                 ret = -1;
2211         /* Protected GAS Initial Request */
2212         if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
2213                 ret = -1;
2214         /* Protected GAS Initial Response */
2215         if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
2216                 ret = -1;
2217         /* Protected GAS Comeback Request */
2218         if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
2219                 ret = -1;
2220         /* Protected GAS Comeback Response */
2221         if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
2222                 ret = -1;
2223 #endif /* CONFIG_P2P || CONFIG_INTERWORKING || CONFIG_DPP */
2224 #ifdef CONFIG_P2P
2225         /* P2P Public Action */
2226         if (nl80211_register_action_frame(bss,
2227                                           (u8 *) "\x04\x09\x50\x6f\x9a\x09",
2228                                           6) < 0)
2229                 ret = -1;
2230         /* P2P Action */
2231         if (nl80211_register_action_frame(bss,
2232                                           (u8 *) "\x7f\x50\x6f\x9a\x09",
2233                                           5) < 0)
2234                 ret = -1;
2235 #endif /* CONFIG_P2P */
2236 #ifdef CONFIG_DPP
2237         /* DPP Public Action */
2238         if (nl80211_register_action_frame(bss,
2239                                           (u8 *) "\x04\x09\x50\x6f\x9a\x1a",
2240                                           6) < 0)
2241                 ret = -1;
2242 #endif /* CONFIG_DPP */
2243 #ifdef CONFIG_IEEE80211W
2244 #ifdef CONFIG_OCV
2245         /* SA Query Request */
2246         if (nl80211_register_action_frame(bss, (u8 *) "\x08\x00", 2) < 0)
2247                 ret = -1;
2248 #endif /* CONFIG_OCV */
2249         /* SA Query Response */
2250         if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
2251                 ret = -1;
2252 #endif /* CONFIG_IEEE80211W */
2253 #ifdef CONFIG_TDLS
2254         if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
2255                 /* TDLS Discovery Response */
2256                 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
2257                     0)
2258                         ret = -1;
2259         }
2260 #endif /* CONFIG_TDLS */
2261 #ifdef CONFIG_FST
2262         /* FST Action frames */
2263         if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2264                 ret = -1;
2265 #endif /* CONFIG_FST */
2266
2267         /* FT Action frames */
2268         if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
2269                 ret = -1;
2270         else
2271                 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
2272                         WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
2273
2274         /* WNM - BSS Transition Management Request */
2275         if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
2276                 ret = -1;
2277         /* WNM-Sleep Mode Response */
2278         if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
2279                 ret = -1;
2280 #ifdef CONFIG_WNM
2281         /* WNM - Collocated Interference Request */
2282         if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x0b", 2) < 0)
2283                 ret = -1;
2284 #endif /* CONFIG_WNM */
2285
2286 #ifdef CONFIG_HS20
2287         /* WNM-Notification */
2288         if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
2289                 ret = -1;
2290 #endif /* CONFIG_HS20 */
2291
2292         /* WMM-AC ADDTS Response */
2293         if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
2294                 ret = -1;
2295
2296         /* WMM-AC DELTS */
2297         if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
2298                 ret = -1;
2299
2300         /* Radio Measurement - Neighbor Report Response */
2301         if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
2302                 ret = -1;
2303
2304         /* Radio Measurement - Radio Measurement Request */
2305         if (nl80211_register_action_frame(bss, (u8 *) "\x05\x00", 2) < 0)
2306                 ret = -1;
2307
2308         /* Radio Measurement - Link Measurement Request */
2309         if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
2310             (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
2311                 ret = -1;
2312
2313         nl80211_mgmt_handle_register_eloop(bss);
2314
2315         return ret;
2316 }
2317
2318
2319 static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
2320 {
2321         int ret = 0;
2322
2323         if (nl80211_alloc_mgmt_handle(bss))
2324                 return -1;
2325
2326         wpa_printf(MSG_DEBUG,
2327                    "nl80211: Subscribe to mgmt frames with mesh handle %p",
2328                    bss->nl_mgmt);
2329
2330         /* Auth frames for mesh SAE */
2331         if (nl80211_register_frame(bss, bss->nl_mgmt,
2332                                    (WLAN_FC_TYPE_MGMT << 2) |
2333                                    (WLAN_FC_STYPE_AUTH << 4),
2334                                    NULL, 0) < 0)
2335                 ret = -1;
2336
2337         /* Mesh peering open */
2338         if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
2339                 ret = -1;
2340         /* Mesh peering confirm */
2341         if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
2342                 ret = -1;
2343         /* Mesh peering close */
2344         if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
2345                 ret = -1;
2346
2347         nl80211_mgmt_handle_register_eloop(bss);
2348
2349         return ret;
2350 }
2351
2352
2353 static int nl80211_register_spurious_class3(struct i802_bss *bss)
2354 {
2355         struct nl_msg *msg;
2356         int ret;
2357
2358         msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
2359         ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
2360         if (ret) {
2361                 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
2362                            "failed: ret=%d (%s)",
2363                            ret, strerror(-ret));
2364         }
2365         return ret;
2366 }
2367
2368
2369 static int nl80211_action_subscribe_ap(struct i802_bss *bss)
2370 {
2371         int ret = 0;
2372
2373         /* Public Action frames */
2374         if (nl80211_register_action_frame(bss, (u8 *) "\x04", 1) < 0)
2375                 ret = -1;
2376         /* RRM Measurement Report */
2377         if (nl80211_register_action_frame(bss, (u8 *) "\x05\x01", 2) < 0)
2378                 ret = -1;
2379         /* RRM Link Measurement Report */
2380         if (nl80211_register_action_frame(bss, (u8 *) "\x05\x03", 2) < 0)
2381                 ret = -1;
2382         /* RRM Neighbor Report Request */
2383         if (nl80211_register_action_frame(bss, (u8 *) "\x05\x04", 2) < 0)
2384                 ret = -1;
2385         /* FT Action frames */
2386         if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
2387                 ret = -1;
2388 #ifdef CONFIG_IEEE80211W
2389         /* SA Query */
2390         if (nl80211_register_action_frame(bss, (u8 *) "\x08", 1) < 0)
2391                 ret = -1;
2392 #endif /* CONFIG_IEEE80211W */
2393         /* Protected Dual of Public Action */
2394         if (nl80211_register_action_frame(bss, (u8 *) "\x09", 1) < 0)
2395                 ret = -1;
2396         /* WNM */
2397         if (nl80211_register_action_frame(bss, (u8 *) "\x0a", 1) < 0)
2398                 ret = -1;
2399         /* WMM */
2400         if (nl80211_register_action_frame(bss, (u8 *) "\x11", 1) < 0)
2401                 ret = -1;
2402 #ifdef CONFIG_FST
2403         /* FST Action frames */
2404         if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2405                 ret = -1;
2406 #endif /* CONFIG_FST */
2407         /* Vendor-specific */
2408         if (nl80211_register_action_frame(bss, (u8 *) "\x7f", 1) < 0)
2409                 ret = -1;
2410
2411         return ret;
2412 }
2413
2414
2415 static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
2416 {
2417         static const int stypes[] = {
2418                 WLAN_FC_STYPE_AUTH,
2419                 WLAN_FC_STYPE_ASSOC_REQ,
2420                 WLAN_FC_STYPE_REASSOC_REQ,
2421                 WLAN_FC_STYPE_DISASSOC,
2422                 WLAN_FC_STYPE_DEAUTH,
2423                 WLAN_FC_STYPE_PROBE_REQ,
2424 /* Beacon doesn't work as mac80211 doesn't currently allow
2425  * it, but it wouldn't really be the right thing anyway as
2426  * it isn't per interface ... maybe just dump the scan
2427  * results periodically for OLBC?
2428  */
2429                 /* WLAN_FC_STYPE_BEACON, */
2430         };
2431         unsigned int i;
2432
2433         if (nl80211_alloc_mgmt_handle(bss))
2434                 return -1;
2435         wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2436                    "handle %p", bss->nl_mgmt);
2437
2438         for (i = 0; i < ARRAY_SIZE(stypes); i++) {
2439                 if (nl80211_register_frame(bss, bss->nl_mgmt,
2440                                            (WLAN_FC_TYPE_MGMT << 2) |
2441                                            (stypes[i] << 4),
2442                                            NULL, 0) < 0) {
2443                         goto out_err;
2444                 }
2445         }
2446
2447         if (nl80211_action_subscribe_ap(bss))
2448                 goto out_err;
2449
2450         if (nl80211_register_spurious_class3(bss))
2451                 goto out_err;
2452
2453         nl80211_mgmt_handle_register_eloop(bss);
2454         return 0;
2455
2456 out_err:
2457         nl_destroy_handles(&bss->nl_mgmt);
2458         return -1;
2459 }
2460
2461
2462 static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
2463 {
2464         if (nl80211_alloc_mgmt_handle(bss))
2465                 return -1;
2466         wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2467                    "handle %p (device SME)", bss->nl_mgmt);
2468
2469         if (nl80211_action_subscribe_ap(bss))
2470                 goto out_err;
2471
2472         if (bss->drv->device_ap_sme) {
2473                 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
2474
2475                 /* Register for all Authentication frames */
2476                 if (nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0)
2477                     < 0)
2478                         wpa_printf(MSG_DEBUG,
2479                                    "nl80211: Failed to subscribe to handle Authentication frames - SAE offload may not work");
2480         }
2481
2482         nl80211_mgmt_handle_register_eloop(bss);
2483         return 0;
2484
2485 out_err:
2486         nl_destroy_handles(&bss->nl_mgmt);
2487         return -1;
2488 }
2489
2490
2491 static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
2492 {
2493         if (bss->nl_mgmt == NULL)
2494                 return;
2495         wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
2496                    "(%s)", bss->nl_mgmt, reason);
2497         nl80211_destroy_eloop_handle(&bss->nl_mgmt, 0);
2498
2499         nl80211_put_wiphy_data_ap(bss);
2500 }
2501
2502
2503 static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
2504 {
2505         wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
2506 }
2507
2508
2509 static void nl80211_del_p2pdev(struct i802_bss *bss)
2510 {
2511         struct nl_msg *msg;
2512         int ret;
2513
2514         msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
2515         ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
2516
2517         wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
2518                    bss->ifname, (long long unsigned int) bss->wdev_id,
2519                    strerror(-ret));
2520 }
2521
2522
2523 static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
2524 {
2525         struct nl_msg *msg;
2526         int ret;
2527
2528         msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2529                               NL80211_CMD_STOP_P2P_DEVICE);
2530         ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
2531
2532         wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2533                    start ? "Start" : "Stop",
2534                    bss->ifname, (long long unsigned int) bss->wdev_id,
2535                    strerror(-ret));
2536         return ret;
2537 }
2538
2539
2540 static int i802_set_iface_flags(struct i802_bss *bss, int up)
2541 {
2542         enum nl80211_iftype nlmode;
2543
2544         nlmode = nl80211_get_ifmode(bss);
2545         if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2546                 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2547                                              bss->ifname, up);
2548         }
2549
2550         /* P2P Device has start/stop which is equivalent */
2551         return nl80211_set_p2pdev(bss, up);
2552 }
2553
2554
2555 #ifdef CONFIG_TESTING_OPTIONS
2556 static int qca_vendor_test_cmd_handler(struct nl_msg *msg, void *arg)
2557 {
2558         /* struct wpa_driver_nl80211_data *drv = arg; */
2559         struct nlattr *tb[NL80211_ATTR_MAX + 1];
2560         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2561
2562
2563         wpa_printf(MSG_DEBUG,
2564                    "nl80211: QCA vendor test command response received");
2565
2566         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2567                   genlmsg_attrlen(gnlh, 0), NULL);
2568         if (!tb[NL80211_ATTR_VENDOR_DATA]) {
2569                 wpa_printf(MSG_DEBUG, "nl80211: No vendor data attribute");
2570                 return NL_SKIP;
2571         }
2572
2573         wpa_hexdump(MSG_DEBUG,
2574                     "nl80211: Received QCA vendor test command response",
2575                     nla_data(tb[NL80211_ATTR_VENDOR_DATA]),
2576                     nla_len(tb[NL80211_ATTR_VENDOR_DATA]));
2577
2578         return NL_SKIP;
2579 }
2580 #endif /* CONFIG_TESTING_OPTIONS */
2581
2582
2583 static void qca_vendor_test(struct wpa_driver_nl80211_data *drv)
2584 {
2585 #ifdef CONFIG_TESTING_OPTIONS
2586         struct nl_msg *msg;
2587         struct nlattr *params;
2588         int ret;
2589
2590         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2591             nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2592             nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2593                         QCA_NL80211_VENDOR_SUBCMD_TEST) ||
2594             !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
2595             nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TEST, 123)) {
2596                 nlmsg_free(msg);
2597                 return;
2598         }
2599         nla_nest_end(msg, params);
2600
2601         ret = send_and_recv_msgs(drv, msg, qca_vendor_test_cmd_handler, drv);
2602         wpa_printf(MSG_DEBUG,
2603                    "nl80211: QCA vendor test command returned %d (%s)",
2604                    ret, strerror(-ret));
2605 #endif /* CONFIG_TESTING_OPTIONS */
2606 }
2607
2608
2609 static int
2610 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
2611                                    const u8 *set_addr, int first,
2612                                    const char *driver_params)
2613 {
2614         struct i802_bss *bss = drv->first_bss;
2615         int send_rfkill_event = 0;
2616         enum nl80211_iftype nlmode;
2617
2618         drv->ifindex = if_nametoindex(bss->ifname);
2619         bss->ifindex = drv->ifindex;
2620         bss->wdev_id = drv->global->if_add_wdevid;
2621         bss->wdev_id_set = drv->global->if_add_wdevid_set;
2622
2623         bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2624         bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
2625         drv->global->if_add_wdevid_set = 0;
2626
2627         if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2628                 bss->static_ap = 1;
2629
2630         if (first &&
2631             nl80211_get_ifmode(bss) != NL80211_IFTYPE_P2P_DEVICE &&
2632             linux_iface_up(drv->global->ioctl_sock, bss->ifname) > 0)
2633                 drv->start_iface_up = 1;
2634
2635         if (wpa_driver_nl80211_capa(drv))
2636                 return -1;
2637
2638         if (driver_params && nl80211_set_param(bss, driver_params) < 0)
2639                 return -1;
2640
2641         wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
2642                    bss->ifname, drv->phyname);
2643
2644         if (set_addr &&
2645             (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
2646              linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2647                                 set_addr)))
2648                 return -1;
2649
2650         if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2651                 drv->start_mode_ap = 1;
2652
2653         if (drv->hostapd || bss->static_ap)
2654                 nlmode = NL80211_IFTYPE_AP;
2655         else if (bss->if_dynamic ||
2656                  nl80211_get_ifmode(bss) == NL80211_IFTYPE_MESH_POINT)
2657                 nlmode = nl80211_get_ifmode(bss);
2658         else
2659                 nlmode = NL80211_IFTYPE_STATION;
2660
2661         if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
2662                 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
2663                 return -1;
2664         }
2665
2666         if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2667                 nl80211_get_macaddr(bss);
2668
2669         wpa_driver_nl80211_drv_init_rfkill(drv);
2670
2671         if (!rfkill_is_blocked(drv->rfkill)) {
2672                 int ret = i802_set_iface_flags(bss, 1);
2673                 if (ret) {
2674                         wpa_printf(MSG_ERROR, "nl80211: Could not set "
2675                                    "interface '%s' UP", bss->ifname);
2676                         return ret;
2677                 }
2678
2679                 if (is_p2p_net_interface(nlmode))
2680                         nl80211_disable_11b_rates(bss->drv,
2681                                                   bss->drv->ifindex, 1);
2682
2683                 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2684                         return ret;
2685         } else {
2686                 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
2687                            "interface '%s' due to rfkill", bss->ifname);
2688                 if (nlmode != NL80211_IFTYPE_P2P_DEVICE)
2689                         drv->if_disabled = 1;
2690
2691                 send_rfkill_event = 1;
2692         }
2693
2694         if (!drv->hostapd && nlmode != NL80211_IFTYPE_P2P_DEVICE)
2695                 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
2696                                        1, IF_OPER_DORMANT);
2697
2698         if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2699                 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2700                                        bss->addr))
2701                         return -1;
2702                 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
2703         }
2704
2705         if (send_rfkill_event) {
2706                 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
2707                                        drv, drv->ctx);
2708         }
2709
2710         if (drv->vendor_cmd_test_avail)
2711                 qca_vendor_test(drv);
2712
2713         nl80211_init_connect_handle(bss);
2714
2715         return 0;
2716 }
2717
2718
2719 static int wpa_driver_nl80211_del_beacon(struct i802_bss *bss)
2720 {
2721         struct nl_msg *msg;
2722         struct wpa_driver_nl80211_data *drv = bss->drv;
2723
2724         wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
2725                    drv->ifindex);
2726         nl80211_put_wiphy_data_ap(bss);
2727         msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON);
2728         return send_and_recv_msgs(drv, msg, NULL, NULL);
2729 }
2730
2731
2732 /**
2733  * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
2734  * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
2735  *
2736  * Shut down driver interface and processing of driver events. Free
2737  * private data buffer if one was allocated in wpa_driver_nl80211_init().
2738  */
2739 static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
2740 {
2741         struct wpa_driver_nl80211_data *drv = bss->drv;
2742         unsigned int i;
2743
2744         wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2745                    bss->ifname, drv->disabled_11b_rates);
2746
2747         bss->in_deinit = 1;
2748         if (drv->data_tx_status)
2749                 eloop_unregister_read_sock(drv->eapol_tx_sock);
2750         if (drv->eapol_tx_sock >= 0)
2751                 close(drv->eapol_tx_sock);
2752
2753         if (bss->nl_preq)
2754                 wpa_driver_nl80211_probe_req_report(bss, 0);
2755         if (bss->added_if_into_bridge) {
2756                 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
2757                                     bss->ifname) < 0)
2758                         wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2759                                    "interface %s from bridge %s: %s",
2760                                    bss->ifname, bss->brname, strerror(errno));
2761         }
2762
2763         if (drv->rtnl_sk)
2764                 nl80211_handle_destroy(drv->rtnl_sk);
2765
2766         if (bss->added_bridge) {
2767                 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname,
2768                                           0) < 0)
2769                         wpa_printf(MSG_INFO,
2770                                    "nl80211: Could not set bridge %s down",
2771                                    bss->brname);
2772                 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
2773                         wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2774                                    "bridge %s: %s",
2775                                    bss->brname, strerror(errno));
2776         }
2777
2778         nl80211_remove_monitor_interface(drv);
2779
2780         if (is_ap_interface(drv->nlmode))
2781                 wpa_driver_nl80211_del_beacon(bss);
2782
2783         if (drv->eapol_sock >= 0) {
2784                 eloop_unregister_read_sock(drv->eapol_sock);
2785                 close(drv->eapol_sock);
2786         }
2787
2788         if (drv->if_indices != drv->default_if_indices)
2789                 os_free(drv->if_indices);
2790
2791         if (drv->disabled_11b_rates)
2792                 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2793
2794         netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
2795                                IF_OPER_UP);
2796         eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
2797         rfkill_deinit(drv->rfkill);
2798
2799         eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
2800
2801         if (!drv->start_iface_up)
2802                 (void) i802_set_iface_flags(bss, 0);
2803
2804         if (drv->addr_changed) {
2805                 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
2806                                           0) < 0) {
2807                         wpa_printf(MSG_DEBUG,
2808                                    "nl80211: Could not set interface down to restore permanent MAC address");
2809                 }
2810                 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2811                                        drv->perm_addr) < 0) {
2812                         wpa_printf(MSG_DEBUG,
2813                                    "nl80211: Could not restore permanent MAC address");
2814                 }
2815         }
2816
2817         if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2818                 if (!drv->hostapd || !drv->start_mode_ap)
2819                         wpa_driver_nl80211_set_mode(bss,
2820                                                     NL80211_IFTYPE_STATION);
2821                 nl80211_mgmt_unsubscribe(bss, "deinit");
2822         } else {
2823                 nl80211_mgmt_unsubscribe(bss, "deinit");
2824                 nl80211_del_p2pdev(bss);
2825         }
2826
2827         if (bss->nl_connect)
2828                 nl80211_destroy_eloop_handle(&bss->nl_connect, 1);
2829
2830         nl80211_destroy_bss(drv->first_bss);
2831
2832         os_free(drv->filter_ssids);
2833
2834         os_free(drv->auth_ie);
2835
2836         if (drv->in_interface_list)
2837                 dl_list_del(&drv->list);
2838
2839         os_free(drv->extended_capa);
2840         os_free(drv->extended_capa_mask);
2841         for (i = 0; i < drv->num_iface_ext_capa; i++) {
2842                 os_free(drv->iface_ext_capa[i].ext_capa);
2843                 os_free(drv->iface_ext_capa[i].ext_capa_mask);
2844         }
2845         os_free(drv->first_bss);
2846         os_free(drv);
2847 }
2848
2849
2850 static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
2851 {
2852         switch (alg) {
2853         case WPA_ALG_WEP:
2854                 if (key_len == 5)
2855                         return RSN_CIPHER_SUITE_WEP40;
2856                 return RSN_CIPHER_SUITE_WEP104;
2857         case WPA_ALG_TKIP:
2858                 return RSN_CIPHER_SUITE_TKIP;
2859         case WPA_ALG_CCMP:
2860                 return RSN_CIPHER_SUITE_CCMP;
2861         case WPA_ALG_GCMP:
2862                 return RSN_CIPHER_SUITE_GCMP;
2863         case WPA_ALG_CCMP_256:
2864                 return RSN_CIPHER_SUITE_CCMP_256;
2865         case WPA_ALG_GCMP_256:
2866                 return RSN_CIPHER_SUITE_GCMP_256;
2867         case WPA_ALG_IGTK:
2868                 return RSN_CIPHER_SUITE_AES_128_CMAC;
2869         case WPA_ALG_BIP_GMAC_128:
2870                 return RSN_CIPHER_SUITE_BIP_GMAC_128;
2871         case WPA_ALG_BIP_GMAC_256:
2872                 return RSN_CIPHER_SUITE_BIP_GMAC_256;
2873         case WPA_ALG_BIP_CMAC_256:
2874                 return RSN_CIPHER_SUITE_BIP_CMAC_256;
2875         case WPA_ALG_SMS4:
2876                 return RSN_CIPHER_SUITE_SMS4;
2877         case WPA_ALG_KRK:
2878                 return RSN_CIPHER_SUITE_KRK;
2879         case WPA_ALG_NONE:
2880         case WPA_ALG_PMK:
2881                 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
2882                            alg);
2883                 return 0;
2884         }
2885
2886         wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
2887                    alg);
2888         return 0;
2889 }
2890
2891
2892 static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
2893 {
2894         switch (cipher) {
2895         case WPA_CIPHER_CCMP_256:
2896                 return RSN_CIPHER_SUITE_CCMP_256;
2897         case WPA_CIPHER_GCMP_256:
2898                 return RSN_CIPHER_SUITE_GCMP_256;
2899         case WPA_CIPHER_CCMP:
2900                 return RSN_CIPHER_SUITE_CCMP;
2901         case WPA_CIPHER_GCMP:
2902                 return RSN_CIPHER_SUITE_GCMP;
2903         case WPA_CIPHER_TKIP:
2904                 return RSN_CIPHER_SUITE_TKIP;
2905         case WPA_CIPHER_WEP104:
2906                 return RSN_CIPHER_SUITE_WEP104;
2907         case WPA_CIPHER_WEP40:
2908                 return RSN_CIPHER_SUITE_WEP40;
2909         case WPA_CIPHER_GTK_NOT_USED:
2910                 return RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED;
2911         }
2912
2913         return 0;
2914 }
2915
2916
2917 static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
2918                                        int max_suites)
2919 {
2920         int num_suites = 0;
2921
2922         if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
2923                 suites[num_suites++] = RSN_CIPHER_SUITE_CCMP_256;
2924         if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
2925                 suites[num_suites++] = RSN_CIPHER_SUITE_GCMP_256;
2926         if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
2927                 suites[num_suites++] = RSN_CIPHER_SUITE_CCMP;
2928         if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
2929                 suites[num_suites++] = RSN_CIPHER_SUITE_GCMP;
2930         if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
2931                 suites[num_suites++] = RSN_CIPHER_SUITE_TKIP;
2932         if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
2933                 suites[num_suites++] = RSN_CIPHER_SUITE_WEP104;
2934         if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
2935                 suites[num_suites++] = RSN_CIPHER_SUITE_WEP40;
2936
2937         return num_suites;
2938 }
2939
2940
2941 #ifdef CONFIG_DRIVER_NL80211_QCA
2942 static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
2943                                   const u8 *key, size_t key_len)
2944 {
2945         struct nl_msg *msg;
2946         int ret;
2947
2948         if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
2949                 return 0;
2950
2951         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2952             nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2953             nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2954                         QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
2955             nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
2956                 nl80211_nlmsg_clear(msg);
2957                 nlmsg_free(msg);
2958                 return -1;
2959         }
2960         ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
2961         if (ret) {
2962                 wpa_printf(MSG_DEBUG,
2963                            "nl80211: Key management set key failed: ret=%d (%s)",
2964                            ret, strerror(-ret));
2965         }
2966
2967         return ret;
2968 }
2969 #endif /* CONFIG_DRIVER_NL80211_QCA */
2970
2971
2972 static int nl80211_set_pmk(struct wpa_driver_nl80211_data *drv,
2973                            const u8 *key, size_t key_len,
2974                            const u8 *addr)
2975 {
2976         struct nl_msg *msg = NULL;
2977         int ret;
2978
2979         /*
2980          * If the authenticator address is not set, assume it is
2981          * the current BSSID.
2982          */
2983         if (!addr && drv->associated)
2984                 addr = drv->bssid;
2985         else if (!addr)
2986                 return -1;
2987
2988         wpa_printf(MSG_DEBUG, "nl80211: Set PMK to the driver for " MACSTR,
2989                    MAC2STR(addr));
2990         wpa_hexdump_key(MSG_DEBUG, "nl80211: PMK", key, key_len);
2991         msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_PMK);
2992         if (!msg ||
2993             nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
2994             nla_put(msg, NL80211_ATTR_PMK, key_len, key)) {
2995                 nl80211_nlmsg_clear(msg);
2996                 nlmsg_free(msg);
2997                 return -ENOBUFS;
2998         }
2999
3000         ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
3001         if (ret) {
3002                 wpa_printf(MSG_DEBUG, "nl80211: Set PMK failed: ret=%d (%s)",
3003                            ret, strerror(-ret));
3004         }
3005
3006         return ret;
3007 }
3008
3009
3010 static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
3011                                       enum wpa_alg alg, const u8 *addr,
3012                                       int key_idx, int set_tx,
3013                                       const u8 *seq, size_t seq_len,
3014                                       const u8 *key, size_t key_len)
3015 {
3016         struct wpa_driver_nl80211_data *drv = bss->drv;
3017         int ifindex;
3018         struct nl_msg *msg = NULL;
3019         int ret;
3020         int tdls = 0;
3021
3022         /* Ignore for P2P Device */
3023         if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
3024                 return 0;
3025
3026         ifindex = if_nametoindex(ifname);
3027         wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
3028                    "set_tx=%d seq_len=%lu key_len=%lu",
3029                    __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3030                    (unsigned long) seq_len, (unsigned long) key_len);
3031 #ifdef CONFIG_TDLS
3032         if (key_idx == -1) {
3033                 key_idx = 0;
3034                 tdls = 1;
3035         }
3036 #endif /* CONFIG_TDLS */
3037
3038 #ifdef CONFIG_DRIVER_NL80211_QCA
3039         if (alg == WPA_ALG_PMK &&
3040             (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
3041                 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
3042                            __func__);
3043                 ret = issue_key_mgmt_set_key(drv, key, key_len);
3044                 return ret;
3045         }
3046 #endif /* CONFIG_DRIVER_NL80211_QCA */
3047
3048         if (alg == WPA_ALG_PMK &&
3049             (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X))
3050                 return nl80211_set_pmk(drv, key, key_len, addr);
3051
3052         if (alg == WPA_ALG_NONE) {
3053                 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
3054                 if (!msg)
3055                         return -ENOBUFS;
3056         } else {
3057                 u32 suite;
3058
3059                 suite = wpa_alg_to_cipher_suite(alg, key_len);
3060                 if (!suite)
3061                         goto fail;
3062                 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
3063                 if (!msg ||
3064                     nla_put(msg, NL80211_ATTR_KEY_DATA, key_len, key) ||
3065                     nla_put_u32(msg, NL80211_ATTR_KEY_CIPHER, suite))
3066                         goto fail;
3067                 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
3068         }
3069
3070         if (seq && seq_len) {
3071                 if (nla_put(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq))
3072                         goto fail;
3073                 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
3074         }
3075
3076         if (addr && !is_broadcast_ether_addr(addr)) {
3077                 wpa_printf(MSG_DEBUG, "   addr=" MACSTR, MAC2STR(addr));
3078                 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
3079                         goto fail;
3080
3081                 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
3082                         wpa_printf(MSG_DEBUG, "   RSN IBSS RX GTK");
3083                         if (nla_put_u32(msg, NL80211_ATTR_KEY_TYPE,
3084                                         NL80211_KEYTYPE_GROUP))
3085                                 goto fail;
3086                 }
3087         } else if (addr && is_broadcast_ether_addr(addr)) {
3088                 struct nlattr *types;
3089
3090                 wpa_printf(MSG_DEBUG, "   broadcast key");
3091
3092                 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
3093                 if (!types ||
3094                     nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
3095                         goto fail;
3096                 nla_nest_end(msg, types);
3097         }
3098         if (nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
3099                 goto fail;
3100
3101         ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
3102         if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
3103                 ret = 0;
3104         if (ret)
3105                 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
3106                            ret, strerror(-ret));
3107
3108         /*
3109          * If we failed or don't need to set the default TX key (below),
3110          * we're done here.
3111          */
3112         if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
3113                 return ret;
3114         if (is_ap_interface(drv->nlmode) && addr &&
3115             !is_broadcast_ether_addr(addr))
3116                 return ret;
3117
3118         msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
3119         if (!msg ||
3120             nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx) ||
3121             nla_put_flag(msg, (alg == WPA_ALG_IGTK ||
3122                                alg == WPA_ALG_BIP_GMAC_128 ||
3123                                alg == WPA_ALG_BIP_GMAC_256 ||
3124                                alg == WPA_ALG_BIP_CMAC_256) ?
3125                          NL80211_ATTR_KEY_DEFAULT_MGMT :
3126                          NL80211_ATTR_KEY_DEFAULT))
3127                 goto fail;
3128         if (addr && is_broadcast_ether_addr(addr)) {
3129                 struct nlattr *types;
3130
3131                 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
3132                 if (!types ||
3133                     nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
3134                         goto fail;
3135                 nla_nest_end(msg, types);
3136         } else if (addr) {
3137                 struct nlattr *types;
3138
3139                 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
3140                 if (!types ||
3141                     nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
3142                         goto fail;
3143                 nla_nest_end(msg, types);
3144         }
3145
3146         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3147         if (ret == -ENOENT)
3148                 ret = 0;
3149         if (ret)
3150                 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
3151                            "err=%d %s)", ret, strerror(-ret));
3152         return ret;
3153
3154 fail:
3155         nl80211_nlmsg_clear(msg);
3156         nlmsg_free(msg);
3157         return -ENOBUFS;
3158 }
3159
3160
3161 static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
3162                       int key_idx, int defkey,
3163                       const u8 *seq, size_t seq_len,
3164                       const u8 *key, size_t key_len)
3165 {
3166         struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
3167         u32 suite;
3168
3169         if (!key_attr)
3170                 return -1;
3171
3172         suite = wpa_alg_to_cipher_suite(alg, key_len);
3173         if (!suite)
3174                 return -1;
3175
3176         if (defkey && alg == WPA_ALG_IGTK) {
3177                 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
3178                         return -1;
3179         } else if (defkey) {
3180                 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
3181                         return -1;
3182         }
3183
3184         if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
3185             nla_put_u32(msg, NL80211_KEY_CIPHER, suite) ||
3186             (seq && seq_len &&
3187              nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
3188             nla_put(msg, NL80211_KEY_DATA, key_len, key))
3189                 return -1;
3190
3191         nla_nest_end(msg, key_attr);
3192
3193         return 0;
3194 }
3195
3196
3197 static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
3198                                  struct nl_msg *msg)
3199 {
3200         int i, privacy = 0;
3201         struct nlattr *nl_keys, *nl_key;
3202
3203         for (i = 0; i < 4; i++) {
3204                 if (!params->wep_key[i])
3205                         continue;
3206                 privacy = 1;
3207                 break;
3208         }
3209         if (params->wps == WPS_MODE_PRIVACY)
3210                 privacy = 1;
3211         if (params->pairwise_suite &&
3212             params->pairwise_suite != WPA_CIPHER_NONE)
3213                 privacy = 1;
3214
3215         if (!privacy)
3216                 return 0;
3217
3218         if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3219                 return -ENOBUFS;
3220
3221         nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
3222         if (!nl_keys)
3223                 return -ENOBUFS;
3224
3225         for (i = 0; i < 4; i++) {
3226                 if (!params->wep_key[i])
3227                         continue;
3228
3229                 nl_key = nla_nest_start(msg, i);
3230                 if (!nl_key ||
3231                     nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
3232                             params->wep_key[i]) ||
3233                     nla_put_u32(msg, NL80211_KEY_CIPHER,
3234                                 params->wep_key_len[i] == 5 ?
3235                                 RSN_CIPHER_SUITE_WEP40 :
3236                                 RSN_CIPHER_SUITE_WEP104) ||
3237                     nla_put_u8(msg, NL80211_KEY_IDX, i) ||
3238                     (i == params->wep_tx_keyidx &&
3239                      nla_put_flag(msg, NL80211_KEY_DEFAULT)))
3240                         return -ENOBUFS;
3241
3242                 nla_nest_end(msg, nl_key);
3243         }
3244         nla_nest_end(msg, nl_keys);
3245
3246         return 0;
3247 }
3248
3249
3250 int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
3251                             const u8 *addr, int cmd, u16 reason_code,
3252                             int local_state_change,
3253                             struct nl_handle *nl_connect)
3254 {
3255         int ret;
3256         struct nl_msg *msg;
3257
3258         if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
3259             nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
3260             (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
3261             (local_state_change &&
3262              nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
3263                 nlmsg_free(msg);
3264                 return -1;
3265         }
3266
3267         if (nl_connect)
3268                 ret = send_and_recv(drv->global, nl_connect, msg, NULL, NULL);
3269         else
3270                 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3271         if (ret) {
3272                 wpa_dbg(drv->ctx, MSG_DEBUG,
3273                         "nl80211: MLME command failed: reason=%u ret=%d (%s)",
3274                         reason_code, ret, strerror(-ret));
3275         }
3276         return ret;
3277 }
3278
3279
3280 static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
3281                                          u16 reason_code,
3282                                          struct nl_handle *nl_connect)
3283 {
3284         int ret;
3285         int drv_associated = drv->associated;
3286
3287         wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
3288         nl80211_mark_disconnected(drv);
3289         /* Disconnect command doesn't need BSSID - it uses cached value */
3290         ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
3291                                       reason_code, 0, nl_connect);
3292         /*
3293          * For locally generated disconnect, supplicant already generates a
3294          * DEAUTH event, so ignore the event from NL80211.
3295          */
3296         drv->ignore_next_local_disconnect = drv_associated && (ret == 0);
3297
3298         return ret;
3299 }
3300
3301
3302 static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
3303                                              const u8 *addr, u16 reason_code)
3304 {
3305         struct wpa_driver_nl80211_data *drv = bss->drv;
3306         int ret;
3307         int drv_associated = drv->associated;
3308
3309         if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
3310                 nl80211_mark_disconnected(drv);
3311                 return nl80211_leave_ibss(drv, 1);
3312         }
3313         if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
3314                 struct nl_handle *nl_connect = NULL;
3315
3316                 if (bss->use_nl_connect)
3317                         nl_connect = bss->nl_connect;
3318                 return wpa_driver_nl80211_disconnect(drv, reason_code,
3319                                                      nl_connect);
3320         }
3321         wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
3322                    __func__, MAC2STR(addr), reason_code);
3323         nl80211_mark_disconnected(drv);
3324         ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
3325                                       reason_code, 0, NULL);
3326         /*
3327          * For locally generated deauthenticate, supplicant already generates a
3328          * DEAUTH event, so ignore the event from NL80211.
3329          */
3330         drv->ignore_next_local_deauth = drv_associated && (ret == 0);
3331
3332         return ret;
3333 }
3334
3335
3336 static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
3337                                      struct wpa_driver_auth_params *params)
3338 {
3339         int i;
3340
3341         drv->auth_freq = params->freq;
3342         drv->auth_alg = params->auth_alg;
3343         drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
3344         drv->auth_local_state_change = params->local_state_change;
3345         drv->auth_p2p = params->p2p;
3346
3347         if (params->bssid)
3348                 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
3349         else
3350                 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
3351
3352         if (params->ssid) {
3353                 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
3354                 drv->auth_ssid_len = params->ssid_len;
3355         } else
3356                 drv->auth_ssid_len = 0;
3357
3358
3359         os_free(drv->auth_ie);
3360         drv->auth_ie = NULL;
3361         drv->auth_ie_len = 0;
3362         if (params->ie) {
3363                 drv->auth_ie = os_malloc(params->ie_len);
3364                 if (drv->auth_ie) {
3365                         os_memcpy(drv->auth_ie, params->ie, params->ie_len);
3366                         drv->auth_ie_len = params->ie_len;
3367                 }
3368         }
3369
3370         for (i = 0; i < 4; i++) {
3371                 if (params->wep_key[i] && params->wep_key_len[i] &&
3372                     params->wep_key_len[i] <= 16) {
3373                         os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
3374                                   params->wep_key_len[i]);
3375                         drv->auth_wep_key_len[i] = params->wep_key_len[i];
3376                 } else
3377                         drv->auth_wep_key_len[i] = 0;
3378         }
3379 }
3380
3381
3382 static void nl80211_unmask_11b_rates(struct i802_bss *bss)
3383 {
3384         struct wpa_driver_nl80211_data *drv = bss->drv;
3385
3386         if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
3387                 return;
3388
3389         /*
3390          * Looks like we failed to unmask 11b rates previously. This could
3391          * happen, e.g., if the interface was down at the point in time when a
3392          * P2P group was terminated.
3393          */
3394         wpa_printf(MSG_DEBUG,
3395                    "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
3396                    bss->ifname);
3397         nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3398 }
3399
3400
3401 static enum nl80211_auth_type get_nl_auth_type(int wpa_auth_alg)
3402 {
3403         if (wpa_auth_alg & WPA_AUTH_ALG_OPEN)
3404                 return NL80211_AUTHTYPE_OPEN_SYSTEM;
3405         if (wpa_auth_alg & WPA_AUTH_ALG_SHARED)
3406                 return NL80211_AUTHTYPE_SHARED_KEY;
3407         if (wpa_auth_alg & WPA_AUTH_ALG_LEAP)
3408                 return NL80211_AUTHTYPE_NETWORK_EAP;
3409         if (wpa_auth_alg & WPA_AUTH_ALG_FT)
3410                 return NL80211_AUTHTYPE_FT;
3411         if (wpa_auth_alg & WPA_AUTH_ALG_SAE)
3412                 return NL80211_AUTHTYPE_SAE;
3413         if (wpa_auth_alg & WPA_AUTH_ALG_FILS)
3414                 return NL80211_AUTHTYPE_FILS_SK;
3415         if (wpa_auth_alg & WPA_AUTH_ALG_FILS_SK_PFS)
3416                 return NL80211_AUTHTYPE_FILS_SK_PFS;
3417
3418         return NL80211_AUTHTYPE_MAX;
3419 }
3420
3421
3422 static int wpa_driver_nl80211_authenticate(
3423         struct i802_bss *bss, struct wpa_driver_auth_params *params)
3424 {
3425         struct wpa_driver_nl80211_data *drv = bss->drv;
3426         int ret = -1, i;
3427         struct nl_msg *msg;
3428         enum nl80211_auth_type type;
3429         enum nl80211_iftype nlmode;
3430         int count = 0;
3431         int is_retry;
3432
3433         nl80211_unmask_11b_rates(bss);
3434
3435         is_retry = drv->retry_auth;
3436         drv->retry_auth = 0;
3437         drv->ignore_deauth_event = 0;
3438
3439         nl80211_mark_disconnected(drv);
3440         os_memset(drv->auth_bssid, 0, ETH_ALEN);
3441         if (params->bssid)
3442                 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
3443         else
3444                 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
3445         /* FIX: IBSS mode */
3446         nlmode = params->p2p ?
3447                 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
3448         if (drv->nlmode != nlmode &&
3449             wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
3450                 return -1;
3451
3452 retry:
3453         wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
3454                    drv->ifindex);
3455
3456         msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
3457         if (!msg)
3458                 goto fail;
3459
3460         for (i = 0; i < 4; i++) {
3461                 if (!params->wep_key[i])
3462                         continue;
3463                 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
3464                                            NULL, i,
3465                                            i == params->wep_tx_keyidx, NULL, 0,
3466                                            params->wep_key[i],
3467                                            params->wep_key_len[i]);
3468                 if (params->wep_tx_keyidx != i)
3469                         continue;
3470                 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
3471                                params->wep_key[i], params->wep_key_len[i]))
3472                         goto fail;
3473         }
3474
3475         if (params->bssid) {
3476                 wpa_printf(MSG_DEBUG, "  * bssid=" MACSTR,
3477                            MAC2STR(params->bssid));
3478                 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
3479                         goto fail;
3480         }
3481         if (params->freq) {
3482                 wpa_printf(MSG_DEBUG, "  * freq=%d", params->freq);
3483                 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
3484                         goto fail;
3485         }
3486         if (params->ssid) {
3487                 wpa_printf(MSG_DEBUG, "  * SSID=%s",
3488                            wpa_ssid_txt(params->ssid, params->ssid_len));
3489                 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
3490                             params->ssid))
3491                         goto fail;
3492         }
3493         wpa_hexdump(MSG_DEBUG, "  * IEs", params->ie, params->ie_len);
3494         if (params->ie &&
3495             nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
3496                 goto fail;
3497         if (params->auth_data) {
3498                 wpa_hexdump(MSG_DEBUG, "  * auth_data", params->auth_data,
3499                             params->auth_data_len);
3500                 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->auth_data_len,
3501                             params->auth_data))
3502                         goto fail;
3503         }
3504         type = get_nl_auth_type(params->auth_alg);
3505         wpa_printf(MSG_DEBUG, "  * Auth Type %d", type);
3506         if (type == NL80211_AUTHTYPE_MAX ||
3507             nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
3508                 goto fail;
3509         if (params->local_state_change) {
3510                 wpa_printf(MSG_DEBUG, "  * Local state change only");
3511                 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
3512                         goto fail;
3513         }
3514
3515         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3516         msg = NULL;
3517         if (ret) {
3518                 wpa_dbg(drv->ctx, MSG_DEBUG,
3519                         "nl80211: MLME command failed (auth): count=%d ret=%d (%s)",
3520                         count, ret, strerror(-ret));
3521                 count++;
3522                 if ((ret == -EALREADY || ret == -EEXIST) && count == 1 &&
3523                     params->bssid && !params->local_state_change) {
3524                         /*
3525                          * mac80211 does not currently accept new
3526                          * authentication if we are already authenticated. As a
3527                          * workaround, force deauthentication and try again.
3528                          */
3529                         wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
3530                                    "after forced deauthentication");
3531                         drv->ignore_deauth_event = 1;
3532                         wpa_driver_nl80211_deauthenticate(
3533                                 bss, params->bssid,
3534                                 WLAN_REASON_PREV_AUTH_NOT_VALID);
3535                         nlmsg_free(msg);
3536                         goto retry;
3537                 }
3538
3539                 if (ret == -ENOENT && params->freq && !is_retry) {
3540                         /*
3541                          * cfg80211 has likely expired the BSS entry even
3542                          * though it was previously available in our internal
3543                          * BSS table. To recover quickly, start a single
3544                          * channel scan on the specified channel.
3545                          */
3546                         struct wpa_driver_scan_params scan;
3547                         int freqs[2];
3548
3549                         os_memset(&scan, 0, sizeof(scan));
3550                         scan.num_ssids = 1;
3551                         if (params->ssid) {
3552                                 scan.ssids[0].ssid = params->ssid;
3553                                 scan.ssids[0].ssid_len = params->ssid_len;
3554                         }
3555                         freqs[0] = params->freq;
3556                         freqs[1] = 0;
3557                         scan.freqs = freqs;
3558                         wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
3559                                    "channel scan to refresh cfg80211 BSS "
3560                                    "entry");
3561                         ret = wpa_driver_nl80211_scan(bss, &scan);
3562                         if (ret == 0) {
3563                                 nl80211_copy_auth_params(drv, params);
3564                                 drv->scan_for_auth = 1;
3565                         }
3566                 } else if (is_retry) {
3567                         /*
3568                          * Need to indicate this with an event since the return
3569                          * value from the retry is not delivered to core code.
3570                          */
3571                         union wpa_event_data event;
3572                         wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
3573                                    "failed");
3574                         os_memset(&event, 0, sizeof(event));
3575                         os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
3576                                   ETH_ALEN);
3577                         wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
3578                                              &event);
3579                 }
3580         } else {
3581                 wpa_printf(MSG_DEBUG,
3582                            "nl80211: Authentication request send successfully");
3583         }
3584
3585 fail:
3586         nlmsg_free(msg);
3587         return ret;
3588 }
3589
3590
3591 int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
3592 {
3593         struct wpa_driver_auth_params params;
3594         struct i802_bss *bss = drv->first_bss;
3595         int i;
3596
3597         wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
3598
3599         os_memset(&params, 0, sizeof(params));
3600         params.freq = drv->auth_freq;
3601         params.auth_alg = drv->auth_alg;
3602         params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
3603         params.local_state_change = drv->auth_local_state_change;
3604         params.p2p = drv->auth_p2p;
3605
3606         if (!is_zero_ether_addr(drv->auth_bssid_))
3607                 params.bssid = drv->auth_bssid_;
3608
3609         if (drv->auth_ssid_len) {
3610                 params.ssid = drv->auth_ssid;
3611                 params.ssid_len = drv->auth_ssid_len;
3612         }
3613
3614         params.ie = drv->auth_ie;
3615         params.ie_len = drv->auth_ie_len;
3616
3617         for (i = 0; i < 4; i++) {
3618                 if (drv->auth_wep_key_len[i]) {
3619                         params.wep_key[i] = drv->auth_wep_key[i];
3620                         params.wep_key_len[i] = drv->auth_wep_key_len[i];
3621                 }
3622         }
3623
3624         drv->retry_auth = 1;
3625         return wpa_driver_nl80211_authenticate(bss, &params);
3626 }
3627
3628
3629 static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
3630                                          const void *data, size_t len,
3631                                          int encrypt, int noack,
3632                                          unsigned int freq, int no_cck,
3633                                          int offchanok, unsigned int wait_time,
3634                                          const u16 *csa_offs,
3635                                          size_t csa_offs_len)
3636 {
3637         struct wpa_driver_nl80211_data *drv = bss->drv;
3638         u64 cookie;
3639         int res;
3640
3641         if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
3642                 freq = nl80211_get_assoc_freq(drv);
3643                 wpa_printf(MSG_DEBUG,
3644                            "nl80211: send_frame - Use assoc_freq=%u for IBSS",
3645                            freq);
3646         }
3647         if (freq == 0) {
3648                 wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u",
3649                            bss->freq);
3650                 freq = bss->freq;
3651         }
3652
3653         if (drv->use_monitor) {
3654                 wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
3655                            freq, bss->freq);
3656                 return nl80211_send_monitor(drv, data, len, encrypt, noack);
3657         }
3658
3659         wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd");
3660         res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
3661                                      &cookie, no_cck, noack, offchanok,
3662                                      csa_offs, csa_offs_len);
3663         if (res == 0 && !noack) {
3664                 const struct ieee80211_mgmt *mgmt;
3665                 u16 fc;
3666
3667                 mgmt = (const struct ieee80211_mgmt *) data;
3668                 fc = le_to_host16(mgmt->frame_control);
3669                 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3670                     WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
3671                         wpa_printf(MSG_MSGDUMP,
3672                                    "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
3673                                    (long long unsigned int)
3674                                    drv->send_action_cookie,
3675                                    (long long unsigned int) cookie);
3676                         drv->send_action_cookie = cookie;
3677                 }
3678         }
3679
3680         return res;
3681 }
3682
3683
3684 static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
3685                                         size_t data_len, int noack,
3686                                         unsigned int freq, int no_cck,
3687                                         int offchanok,
3688                                         unsigned int wait_time,
3689                                         const u16 *csa_offs,
3690                                         size_t csa_offs_len)
3691 {
3692         struct wpa_driver_nl80211_data *drv = bss->drv;
3693         struct ieee80211_mgmt *mgmt;
3694         int encrypt = 1;
3695         u16 fc;
3696
3697         mgmt = (struct ieee80211_mgmt *) data;
3698         fc = le_to_host16(mgmt->frame_control);
3699         wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
3700                    " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d",
3701                    MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
3702                    fc, fc2str(fc), drv->nlmode);
3703
3704         if ((is_sta_interface(drv->nlmode) ||
3705              drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
3706             WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3707             WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3708                 /*
3709                  * The use of last_mgmt_freq is a bit of a hack,
3710                  * but it works due to the single-threaded nature
3711                  * of wpa_supplicant.
3712                  */
3713                 if (freq == 0) {
3714                         wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3715                                    drv->last_mgmt_freq);
3716                         freq = drv->last_mgmt_freq;
3717                 }
3718                 return nl80211_send_frame_cmd(bss, freq, 0,
3719                                               data, data_len, NULL, 1, noack,
3720                                               1, csa_offs, csa_offs_len);
3721         }
3722
3723         if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
3724                 if (freq == 0) {
3725                         wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3726                                    bss->freq);
3727                         freq = bss->freq;
3728                 }
3729                 return nl80211_send_frame_cmd(bss, freq,
3730                                               (int) freq == bss->freq ? 0 :
3731                                               wait_time,
3732                                               data, data_len,
3733                                               &drv->send_action_cookie,
3734                                               no_cck, noack, offchanok,
3735                                               csa_offs, csa_offs_len);
3736         }
3737
3738         if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3739             WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3740                 /*
3741                  * Only one of the authentication frame types is encrypted.
3742                  * In order for static WEP encryption to work properly (i.e.,
3743                  * to not encrypt the frame), we need to tell mac80211 about
3744                  * the frames that must not be encrypted.
3745                  */
3746                 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3747                 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
3748                 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3749                         encrypt = 0;
3750         }
3751
3752         wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame");
3753         return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
3754                                              noack, freq, no_cck, offchanok,
3755                                              wait_time, csa_offs,
3756                                              csa_offs_len);
3757 }
3758
3759
3760 static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
3761 {
3762         u8 rates[NL80211_MAX_SUPP_RATES];
3763         u8 rates_len = 0;
3764         int i;
3765
3766         if (!basic_rates)
3767                 return 0;
3768
3769         for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
3770                 rates[rates_len++] = basic_rates[i] / 5;
3771
3772         return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
3773 }
3774
3775
3776 static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
3777                            int slot, int ht_opmode, int ap_isolate,
3778                            const int *basic_rates)
3779 {
3780         struct wpa_driver_nl80211_data *drv = bss->drv;
3781         struct nl_msg *msg;
3782
3783         if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
3784             (cts >= 0 &&
3785              nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3786             (preamble >= 0 &&
3787              nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3788             (slot >= 0 &&
3789              nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3790             (ht_opmode >= 0 &&
3791              nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3792             (ap_isolate >= 0 &&
3793              nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
3794             nl80211_put_basic_rates(msg, basic_rates)) {
3795                 nlmsg_free(msg);
3796                 return -ENOBUFS;
3797         }
3798
3799         return send_and_recv_msgs(drv, msg, NULL, NULL);
3800 }
3801
3802
3803 static int wpa_driver_nl80211_set_acl(void *priv,
3804                                       struct hostapd_acl_params *params)
3805 {
3806         struct i802_bss *bss = priv;
3807         struct wpa_driver_nl80211_data *drv = bss->drv;
3808         struct nl_msg *msg;
3809         struct nl_msg *acl;
3810         unsigned int i;
3811         int ret;
3812
3813         if (!(drv->capa.max_acl_mac_addrs))
3814                 return -ENOTSUP;
3815
3816         if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3817                 return -ENOTSUP;
3818
3819         wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3820                    params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3821
3822         acl = nlmsg_alloc();
3823         if (!acl)
3824                 return -ENOMEM;
3825         for (i = 0; i < params->num_mac_acl; i++) {
3826                 if (nla_put(acl, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3827                         nlmsg_free(acl);
3828                         return -ENOMEM;
3829                 }
3830         }
3831
3832         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
3833             nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3834                         NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3835                         NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
3836             nla_put_nested(msg, NL80211_ATTR_MAC_ADDRS, acl)) {
3837                 nlmsg_free(msg);
3838                 nlmsg_free(acl);
3839                 return -ENOMEM;
3840         }
3841         nlmsg_free(acl);
3842
3843         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3844         if (ret) {
3845                 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3846                            ret, strerror(-ret));
3847         }
3848
3849         return ret;
3850 }
3851
3852
3853 static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
3854 {
3855         if (beacon_int > 0) {
3856                 wpa_printf(MSG_DEBUG, "  * beacon_int=%d", beacon_int);
3857                 return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3858                                    beacon_int);
3859         }
3860
3861         return 0;
3862 }
3863
3864
3865 static int nl80211_put_dtim_period(struct nl_msg *msg, int dtim_period)
3866 {
3867         if (dtim_period > 0) {
3868                 wpa_printf(MSG_DEBUG, "  * dtim_period=%d", dtim_period);
3869                 return nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
3870         }
3871
3872         return 0;
3873 }
3874
3875
3876 #ifdef CONFIG_MESH
3877 static int nl80211_set_mesh_config(void *priv,
3878                                    struct wpa_driver_mesh_bss_params *params)
3879 {
3880         struct i802_bss *bss = priv;
3881         struct wpa_driver_nl80211_data *drv = bss->drv;
3882         struct nl_msg *msg;
3883         int ret;
3884
3885         msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MESH_CONFIG);
3886         if (!msg)
3887                 return -1;
3888
3889         ret = nl80211_put_mesh_config(msg, params);
3890         if (ret < 0) {
3891                 nlmsg_free(msg);
3892                 return ret;
3893         }
3894
3895         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3896         if (ret) {
3897                 wpa_printf(MSG_ERROR,
3898                            "nl80211: Mesh config set failed: %d (%s)",
3899                            ret, strerror(-ret));
3900                 return ret;
3901         }
3902         return 0;
3903 }
3904 #endif /* CONFIG_MESH */
3905
3906
3907 static int nl80211_put_beacon_rate(struct nl_msg *msg, const u64 flags,
3908                                    struct wpa_driver_ap_params *params)
3909 {
3910         struct nlattr *bands, *band;
3911         struct nl80211_txrate_vht vht_rate;
3912
3913         if (!params->freq ||
3914             (params->beacon_rate == 0 &&
3915              params->rate_type == BEACON_RATE_LEGACY))
3916                 return 0;
3917
3918         bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
3919         if (!bands)
3920                 return -1;
3921
3922         switch (params->freq->mode) {
3923         case HOSTAPD_MODE_IEEE80211B:
3924         case HOSTAPD_MODE_IEEE80211G:
3925                 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
3926                 break;
3927         case HOSTAPD_MODE_IEEE80211A:
3928                 band = nla_nest_start(msg, NL80211_BAND_5GHZ);
3929                 break;
3930         case HOSTAPD_MODE_IEEE80211AD:
3931                 band = nla_nest_start(msg, NL80211_BAND_60GHZ);
3932                 break;
3933         default:
3934                 return 0;
3935         }
3936
3937         if (!band)
3938                 return -1;
3939
3940         os_memset(&vht_rate, 0, sizeof(vht_rate));
3941
3942         switch (params->rate_type) {
3943         case BEACON_RATE_LEGACY:
3944                 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY)) {
3945                         wpa_printf(MSG_INFO,
3946                                    "nl80211: Driver does not support setting Beacon frame rate (legacy)");
3947                         return -1;
3948                 }
3949
3950                 if (nla_put_u8(msg, NL80211_TXRATE_LEGACY,
3951                                (u8) params->beacon_rate / 5) ||
3952                     nla_put(msg, NL80211_TXRATE_HT, 0, NULL) ||
3953                     (params->freq->vht_enabled &&
3954                      nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3955                              &vht_rate)))
3956                         return -1;
3957
3958                 wpa_printf(MSG_DEBUG, " * beacon_rate = legacy:%u (* 100 kbps)",
3959                            params->beacon_rate);
3960                 break;
3961         case BEACON_RATE_HT:
3962                 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_HT)) {
3963                         wpa_printf(MSG_INFO,
3964                                    "nl80211: Driver does not support setting Beacon frame rate (HT)");
3965                         return -1;
3966                 }
3967                 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL) ||
3968                     nla_put_u8(msg, NL80211_TXRATE_HT, params->beacon_rate) ||
3969                     (params->freq->vht_enabled &&
3970                      nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3971                              &vht_rate)))
3972                         return -1;
3973                 wpa_printf(MSG_DEBUG, " * beacon_rate = HT-MCS %u",
3974                            params->beacon_rate);
3975                 break;
3976         case BEACON_RATE_VHT:
3977                 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_VHT)) {
3978                         wpa_printf(MSG_INFO,
3979                                    "nl80211: Driver does not support setting Beacon frame rate (VHT)");
3980                         return -1;
3981                 }
3982                 vht_rate.mcs[0] = BIT(params->beacon_rate);
3983                 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL))
3984                         return -1;
3985                 if (nla_put(msg, NL80211_TXRATE_HT, 0, NULL))
3986                         return -1;
3987                 if (nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3988                             &vht_rate))
3989                         return -1;
3990                 wpa_printf(MSG_DEBUG, " * beacon_rate = VHT-MCS %u",
3991                            params->beacon_rate);
3992                 break;
3993         }
3994
3995         nla_nest_end(msg, band);
3996         nla_nest_end(msg, bands);
3997
3998         return 0;
3999 }
4000
4001
4002 static int nl80211_set_multicast_to_unicast(struct i802_bss *bss,
4003                                             int multicast_to_unicast)
4004 {
4005         struct wpa_driver_nl80211_data *drv = bss->drv;
4006         struct nl_msg *msg;
4007         int ret;
4008
4009         msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_MULTICAST_TO_UNICAST);
4010         if (!msg ||
4011             (multicast_to_unicast &&
4012              nla_put_flag(msg, NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED))) {
4013                 wpa_printf(MSG_ERROR,
4014                            "nl80211: Failed to build NL80211_CMD_SET_MULTICAST_TO_UNICAST msg for %s",
4015                            bss->ifname);
4016                 nlmsg_free(msg);
4017                 return -ENOBUFS;
4018         }
4019
4020         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4021
4022         switch (ret) {
4023         case 0:
4024                 wpa_printf(MSG_DEBUG,
4025                            "nl80211: multicast to unicast %s on interface %s",
4026                            multicast_to_unicast ? "enabled" : "disabled",
4027                            bss->ifname);
4028                 break;
4029         case -EOPNOTSUPP:
4030                 if (!multicast_to_unicast)
4031                         break;
4032                 wpa_printf(MSG_INFO,
4033                            "nl80211: multicast to unicast not supported on interface %s",
4034                            bss->ifname);
4035                 break;
4036         default:
4037                 wpa_printf(MSG_ERROR,
4038                            "nl80211: %s multicast to unicast failed with %d (%s) on interface %s",
4039                            multicast_to_unicast ? "enabling" : "disabling",
4040                            ret, strerror(-ret), bss->ifname);
4041                 break;
4042         }
4043
4044         return ret;
4045 }
4046
4047
4048 static int wpa_driver_nl80211_set_ap(void *priv,
4049                                      struct wpa_driver_ap_params *params)
4050 {
4051         struct i802_bss *bss = priv;
4052         struct wpa_driver_nl80211_data *drv = bss->drv;
4053         struct nl_msg *msg;
4054         u8 cmd = NL80211_CMD_NEW_BEACON;
4055         int ret = -ENOBUFS;
4056         int beacon_set;
4057         int num_suites;
4058         int smps_mode;
4059         u32 suites[10], suite;
4060         u32 ver;
4061 #ifdef CONFIG_MESH
4062         struct wpa_driver_mesh_bss_params mesh_params;
4063 #endif /* CONFIG_MESH */
4064
4065         beacon_set = params->reenable ? 0 : bss->beacon_set;
4066
4067         wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
4068                    beacon_set);
4069         if (beacon_set)
4070                 cmd = NL80211_CMD_SET_BEACON;
4071         else if (!drv->device_ap_sme && !drv->use_monitor &&
4072                  !nl80211_get_wiphy_data_ap(bss))
4073                 return -ENOBUFS;
4074
4075         wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
4076                     params->head, params->head_len);
4077         wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
4078                     params->tail, params->tail_len);
4079         wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
4080         wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
4081         wpa_printf(MSG_DEBUG, "nl80211: beacon_rate=%u", params->beacon_rate);
4082         wpa_printf(MSG_DEBUG, "nl80211: rate_type=%d", params->rate_type);
4083         wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
4084         wpa_printf(MSG_DEBUG, "nl80211: ssid=%s",
4085                    wpa_ssid_txt(params->ssid, params->ssid_len));
4086         if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
4087             nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
4088                     params->head) ||
4089             nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
4090                     params->tail) ||
4091             nl80211_put_beacon_int(msg, params->beacon_int) ||
4092             nl80211_put_beacon_rate(msg, drv->capa.flags, params) ||
4093             nl80211_put_dtim_period(msg, params->dtim_period) ||
4094             nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
4095                 goto fail;
4096         if (params->proberesp && params->proberesp_len) {
4097                 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
4098                             params->proberesp, params->proberesp_len);
4099                 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
4100                             params->proberesp))
4101                         goto fail;
4102         }
4103         switch (params->hide_ssid) {
4104         case NO_SSID_HIDING:
4105                 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
4106                 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4107                                 NL80211_HIDDEN_SSID_NOT_IN_USE))
4108                         goto fail;
4109                 break;
4110         case HIDDEN_SSID_ZERO_LEN:
4111                 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
4112                 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4113                                 NL80211_HIDDEN_SSID_ZERO_LEN))
4114                         goto fail;
4115                 break;
4116         case HIDDEN_SSID_ZERO_CONTENTS:
4117                 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
4118                 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4119                                 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
4120                         goto fail;
4121                 break;
4122         }
4123         wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
4124         if (params->privacy &&
4125             nla_put_flag(msg, NL80211_ATTR_PRIVACY))
4126                 goto fail;
4127         wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
4128         if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
4129             (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
4130                 /* Leave out the attribute */
4131         } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
4132                 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
4133                                 NL80211_AUTHTYPE_SHARED_KEY))
4134                         goto fail;
4135         } else {
4136                 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
4137                                 NL80211_AUTHTYPE_OPEN_SYSTEM))
4138                         goto fail;
4139         }
4140
4141         wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
4142         ver = 0;
4143         if (params->wpa_version & WPA_PROTO_WPA)
4144                 ver |= NL80211_WPA_VERSION_1;
4145         if (params->wpa_version & WPA_PROTO_RSN)
4146                 ver |= NL80211_WPA_VERSION_2;
4147         if (ver &&
4148             nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
4149                 goto fail;
4150
4151         wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
4152                    params->key_mgmt_suites);
4153         num_suites = 0;
4154         if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
4155                 suites[num_suites++] = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
4156         if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
4157                 suites[num_suites++] = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
4158         if (num_suites &&
4159             nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
4160                     suites))
4161                 goto fail;
4162
4163         if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
4164             (!params->pairwise_ciphers ||
4165              params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) &&
4166             (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
4167              nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
4168                 goto fail;
4169
4170         if (drv->device_ap_sme &&
4171             (params->key_mgmt_suites & WPA_KEY_MGMT_SAE) &&
4172             nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
4173                 goto fail;
4174
4175         wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
4176                    params->pairwise_ciphers);
4177         num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
4178                                                  suites, ARRAY_SIZE(suites));
4179         if (num_suites &&
4180             nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
4181                     num_suites * sizeof(u32), suites))
4182                 goto fail;
4183
4184         wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
4185                    params->group_cipher);
4186         suite = wpa_cipher_to_cipher_suite(params->group_cipher);
4187         if (suite &&
4188             nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
4189                 goto fail;
4190
4191         if (params->ht_opmode != -1) {
4192                 switch (params->smps_mode) {
4193                 case HT_CAP_INFO_SMPS_DYNAMIC:
4194                         wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic");
4195                         smps_mode = NL80211_SMPS_DYNAMIC;
4196                         break;
4197                 case HT_CAP_INFO_SMPS_STATIC:
4198                         wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static");
4199                         smps_mode = NL80211_SMPS_STATIC;
4200                         break;
4201                 default:
4202                         /* invalid - fallback to smps off */
4203                 case HT_CAP_INFO_SMPS_DISABLED:
4204                         wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off");
4205                         smps_mode = NL80211_SMPS_OFF;
4206                         break;
4207                 }
4208                 if (nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, smps_mode))
4209                         goto fail;
4210         }
4211
4212         if (params->beacon_ies) {
4213                 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
4214                                 params->beacon_ies);
4215                 if (nla_put(msg, NL80211_ATTR_IE,
4216                             wpabuf_len(params->beacon_ies),
4217                             wpabuf_head(params->beacon_ies)))
4218                         goto fail;
4219         }
4220         if (params->proberesp_ies) {
4221                 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
4222                                 params->proberesp_ies);
4223                 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
4224                             wpabuf_len(params->proberesp_ies),
4225                             wpabuf_head(params->proberesp_ies)))
4226                         goto fail;
4227         }
4228         if (params->assocresp_ies) {
4229                 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
4230                                 params->assocresp_ies);
4231                 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
4232                             wpabuf_len(params->assocresp_ies),
4233                             wpabuf_head(params->assocresp_ies)))
4234                         goto fail;
4235         }
4236
4237         if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER)  {
4238                 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
4239                            params->ap_max_inactivity);
4240                 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
4241                                 params->ap_max_inactivity))
4242                         goto fail;
4243         }
4244
4245 #ifdef CONFIG_P2P
4246         if (params->p2p_go_ctwindow > 0) {
4247                 if (drv->p2p_go_ctwindow_supported) {
4248                         wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d",
4249                                    params->p2p_go_ctwindow);
4250                         if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW,
4251                                        params->p2p_go_ctwindow))
4252                                 goto fail;
4253                 } else {
4254                         wpa_printf(MSG_INFO,
4255                                    "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
4256                 }
4257         }
4258 #endif /* CONFIG_P2P */
4259
4260         if (params->pbss) {
4261                 wpa_printf(MSG_DEBUG, "nl80211: PBSS");
4262                 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
4263                         goto fail;
4264         }
4265
4266         if (params->ftm_responder) {
4267                 struct nlattr *ftm;
4268
4269                 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_FTM_RESPONDER)) {
4270                         ret = -ENOTSUP;
4271                         goto fail;
4272                 }
4273
4274                 ftm = nla_nest_start(msg, NL80211_ATTR_FTM_RESPONDER);
4275                 if (!ftm ||
4276                     nla_put_flag(msg, NL80211_FTM_RESP_ATTR_ENABLED) ||
4277                     (params->lci &&
4278                      nla_put(msg, NL80211_FTM_RESP_ATTR_LCI,
4279                              wpabuf_len(params->lci),
4280                              wpabuf_head(params->lci))) ||
4281                     (params->civic &&
4282                      nla_put(msg, NL80211_FTM_RESP_ATTR_CIVICLOC,
4283                              wpabuf_len(params->civic),
4284                              wpabuf_head(params->civic))))
4285                         goto fail;
4286                 nla_nest_end(msg, ftm);
4287         }
4288
4289         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4290         if (ret) {
4291                 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
4292                            ret, strerror(-ret));
4293         } else {
4294                 bss->beacon_set = 1;
4295                 nl80211_set_bss(bss, params->cts_protect, params->preamble,
4296                                 params->short_slot_time, params->ht_opmode,
4297                                 params->isolate, params->basic_rates);
4298                 nl80211_set_multicast_to_unicast(bss,
4299                                                  params->multicast_to_unicast);
4300                 if (beacon_set && params->freq &&
4301                     params->freq->bandwidth != bss->bandwidth) {
4302                         wpa_printf(MSG_DEBUG,
4303                                    "nl80211: Update BSS %s bandwidth: %d -> %d",
4304                                    bss->ifname, bss->bandwidth,
4305                                    params->freq->bandwidth);
4306                         ret = nl80211_set_channel(bss, params->freq, 1);
4307                         if (ret) {
4308                                 wpa_printf(MSG_DEBUG,
4309                                            "nl80211: Frequency set failed: %d (%s)",
4310                                            ret, strerror(-ret));
4311                         } else {
4312                                 wpa_printf(MSG_DEBUG,
4313                                            "nl80211: Frequency set succeeded for ht2040 coex");
4314                                 bss->bandwidth = params->freq->bandwidth;
4315                         }
4316                 } else if (!beacon_set && params->freq) {
4317                         /*
4318                          * cfg80211 updates the driver on frequence change in AP
4319                          * mode only at the point when beaconing is started, so
4320                          * set the initial value here.
4321                          */
4322                         bss->bandwidth = params->freq->bandwidth;
4323                 }
4324         }
4325
4326 #ifdef CONFIG_MESH
4327         if (is_mesh_interface(drv->nlmode) && params->ht_opmode != -1) {
4328                 os_memset(&mesh_params, 0, sizeof(mesh_params));
4329                 mesh_params.flags |= WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE;
4330                 mesh_params.ht_opmode = params->ht_opmode;
4331                 ret = nl80211_set_mesh_config(priv, &mesh_params);
4332                 if (ret < 0)
4333                         return ret;
4334         }
4335 #endif /* CONFIG_MESH */
4336
4337         return ret;
4338 fail:
4339         nlmsg_free(msg);
4340         return ret;
4341 }
4342
4343
4344 static int nl80211_put_freq_params(struct nl_msg *msg,
4345                                    const struct hostapd_freq_params *freq)
4346 {
4347         wpa_printf(MSG_DEBUG, "  * freq=%d", freq->freq);
4348         if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
4349                 return -ENOBUFS;
4350
4351         wpa_printf(MSG_DEBUG, "  * he_enabled=%d", freq->he_enabled);
4352         wpa_printf(MSG_DEBUG, "  * vht_enabled=%d", freq->vht_enabled);
4353         wpa_printf(MSG_DEBUG, "  * ht_enabled=%d", freq->ht_enabled);
4354
4355         if (freq->vht_enabled || freq->he_enabled) {
4356                 enum nl80211_chan_width cw;
4357
4358                 wpa_printf(MSG_DEBUG, "  * bandwidth=%d", freq->bandwidth);
4359                 switch (freq->bandwidth) {
4360                 case 20:
4361                         cw = NL80211_CHAN_WIDTH_20;
4362                         break;
4363                 case 40:
4364                         cw = NL80211_CHAN_WIDTH_40;
4365                         break;
4366                 case 80:
4367                         if (freq->center_freq2)
4368                                 cw = NL80211_CHAN_WIDTH_80P80;
4369                         else
4370                                 cw = NL80211_CHAN_WIDTH_80;
4371                         break;
4372                 case 160:
4373                         cw = NL80211_CHAN_WIDTH_160;
4374                         break;
4375                 default:
4376                         return -EINVAL;
4377                 }
4378
4379                 wpa_printf(MSG_DEBUG, "  * channel_width=%d", cw);
4380                 wpa_printf(MSG_DEBUG, "  * center_freq1=%d",
4381                            freq->center_freq1);
4382                 wpa_printf(MSG_DEBUG, "  * center_freq2=%d",
4383                            freq->center_freq2);
4384                 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
4385                     nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
4386                                 freq->center_freq1) ||
4387                     (freq->center_freq2 &&
4388                      nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
4389                                  freq->center_freq2)))
4390                         return -ENOBUFS;
4391         } else if (freq->ht_enabled) {
4392                 enum nl80211_channel_type ct;
4393
4394                 wpa_printf(MSG_DEBUG, "  * sec_channel_offset=%d",
4395                            freq->sec_channel_offset);
4396                 switch (freq->sec_channel_offset) {
4397                 case -1:
4398                         ct = NL80211_CHAN_HT40MINUS;
4399                         break;
4400                 case 1:
4401                         ct = NL80211_CHAN_HT40PLUS;
4402                         break;
4403                 default:
4404                         ct = NL80211_CHAN_HT20;
4405                         break;
4406                 }
4407
4408                 wpa_printf(MSG_DEBUG, "  * channel_type=%d", ct);
4409                 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
4410                         return -ENOBUFS;
4411         } else {
4412                 wpa_printf(MSG_DEBUG, "  * channel_type=%d",
4413                            NL80211_CHAN_NO_HT);
4414                 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
4415                                 NL80211_CHAN_NO_HT))
4416                         return -ENOBUFS;
4417         }
4418         return 0;
4419 }
4420
4421
4422 static int nl80211_set_channel(struct i802_bss *bss,
4423                                struct hostapd_freq_params *freq, int set_chan)
4424 {
4425         struct wpa_driver_nl80211_data *drv = bss->drv;
4426         struct nl_msg *msg;
4427         int ret;
4428
4429         wpa_printf(MSG_DEBUG,
4430                    "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, he_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
4431                    freq->freq, freq->ht_enabled, freq->vht_enabled, freq->he_enabled,
4432                    freq->bandwidth, freq->center_freq1, freq->center_freq2);
4433
4434         msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
4435                               NL80211_CMD_SET_WIPHY);
4436         if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
4437                 nlmsg_free(msg);
4438                 return -1;
4439         }
4440
4441         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4442         if (ret == 0) {
4443                 bss->freq = freq->freq;
4444                 return 0;
4445         }
4446         wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
4447                    "%d (%s)", freq->freq, ret, strerror(-ret));
4448         return -1;
4449 }
4450
4451
4452 static u32 sta_flags_nl80211(int flags)
4453 {
4454         u32 f = 0;
4455
4456         if (flags & WPA_STA_AUTHORIZED)
4457                 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
4458         if (flags & WPA_STA_WMM)
4459                 f |= BIT(NL80211_STA_FLAG_WME);
4460         if (flags & WPA_STA_SHORT_PREAMBLE)
4461                 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
4462         if (flags & WPA_STA_MFP)
4463                 f |= BIT(NL80211_STA_FLAG_MFP);
4464         if (flags & WPA_STA_TDLS_PEER)
4465                 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
4466         if (flags & WPA_STA_AUTHENTICATED)
4467                 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
4468         if (flags & WPA_STA_ASSOCIATED)
4469                 f |= BIT(NL80211_STA_FLAG_ASSOCIATED);
4470
4471         return f;
4472 }
4473
4474
4475 #ifdef CONFIG_MESH
4476 static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
4477 {
4478         switch (state) {
4479         case PLINK_IDLE:
4480                 return NL80211_PLINK_LISTEN;
4481         case PLINK_OPN_SNT:
4482                 return NL80211_PLINK_OPN_SNT;
4483         case PLINK_OPN_RCVD:
4484                 return NL80211_PLINK_OPN_RCVD;
4485         case PLINK_CNF_RCVD:
4486                 return NL80211_PLINK_CNF_RCVD;
4487         case PLINK_ESTAB:
4488                 return NL80211_PLINK_ESTAB;
4489         case PLINK_HOLDING:
4490                 return NL80211_PLINK_HOLDING;
4491         case PLINK_BLOCKED:
4492                 return NL80211_PLINK_BLOCKED;
4493         default:
4494                 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
4495                            state);
4496         }
4497         return -1;
4498 }
4499 #endif /* CONFIG_MESH */
4500
4501
4502 static int wpa_driver_nl80211_sta_add(void *priv,
4503                                       struct hostapd_sta_add_params *params)
4504 {
4505         struct i802_bss *bss = priv;
4506         struct wpa_driver_nl80211_data *drv = bss->drv;
4507         struct nl_msg *msg;
4508         struct nl80211_sta_flag_update upd;
4509         int ret = -ENOBUFS;
4510
4511         if ((params->flags & WPA_STA_TDLS_PEER) &&
4512             !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
4513                 return -EOPNOTSUPP;
4514
4515         wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
4516                    params->set ? "Set" : "Add", MAC2STR(params->addr));
4517         msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
4518                               NL80211_CMD_NEW_STATION);
4519         if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
4520                 goto fail;
4521
4522         /*
4523          * Set the below properties only in one of the following cases:
4524          * 1. New station is added, already associated.
4525          * 2. Set WPA_STA_TDLS_PEER station.
4526          * 3. Set an already added unassociated station, if driver supports
4527          * full AP client state. (Set these properties after station became
4528          * associated will be rejected by the driver).
4529          */
4530         if (!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
4531             (params->set && FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4532              (params->flags & WPA_STA_ASSOCIATED))) {
4533                 wpa_hexdump(MSG_DEBUG, "  * supported rates",
4534                             params->supp_rates, params->supp_rates_len);
4535                 wpa_printf(MSG_DEBUG, "  * capability=0x%x",
4536                            params->capability);
4537                 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
4538                             params->supp_rates_len, params->supp_rates) ||
4539                     nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
4540                                 params->capability))
4541                         goto fail;
4542
4543                 if (params->ht_capabilities) {
4544                         wpa_hexdump(MSG_DEBUG, "  * ht_capabilities",
4545                                     (u8 *) params->ht_capabilities,
4546                                     sizeof(*params->ht_capabilities));
4547                         if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
4548                                     sizeof(*params->ht_capabilities),
4549                                     params->ht_capabilities))
4550                                 goto fail;
4551                 }
4552
4553                 if (params->vht_capabilities) {
4554                         wpa_hexdump(MSG_DEBUG, "  * vht_capabilities",
4555                                     (u8 *) params->vht_capabilities,
4556                                     sizeof(*params->vht_capabilities));
4557                         if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
4558                                     sizeof(*params->vht_capabilities),
4559                                     params->vht_capabilities))
4560                                 goto fail;
4561                 }
4562
4563                 if (params->he_capab) {
4564                         wpa_hexdump(MSG_DEBUG, "  * he_capab",
4565                                     params->he_capab, params->he_capab_len);
4566                         if (nla_put(msg, NL80211_ATTR_HE_CAPABILITY,
4567                                     params->he_capab_len, params->he_capab))
4568                                 goto fail;
4569                 }
4570
4571                 if (params->ext_capab) {
4572                         wpa_hexdump(MSG_DEBUG, "  * ext_capab",
4573                                     params->ext_capab, params->ext_capab_len);
4574                         if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
4575                                     params->ext_capab_len, params->ext_capab))
4576                                 goto fail;
4577                 }
4578
4579                 if (is_ap_interface(drv->nlmode) &&
4580                     nla_put_u8(msg, NL80211_ATTR_STA_SUPPORT_P2P_PS,
4581                                params->support_p2p_ps ?
4582                                NL80211_P2P_PS_SUPPORTED :
4583                                NL80211_P2P_PS_UNSUPPORTED))
4584                         goto fail;
4585         }
4586         if (!params->set) {
4587                 if (params->aid) {
4588                         wpa_printf(MSG_DEBUG, "  * aid=%u", params->aid);
4589                         if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
4590                                 goto fail;
4591                 } else {
4592                         /*
4593                          * cfg80211 validates that AID is non-zero, so we have
4594                          * to make this a non-zero value for the TDLS case where
4595                          * a dummy STA entry is used for now and for a station
4596                          * that is still not associated.
4597                          */
4598                         wpa_printf(MSG_DEBUG, "  * aid=1 (%s workaround)",
4599                                    (params->flags & WPA_STA_TDLS_PEER) ?
4600                                    "TDLS" : "UNASSOC_STA");
4601                         if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
4602                                 goto fail;
4603                 }
4604                 wpa_printf(MSG_DEBUG, "  * listen_interval=%u",
4605                            params->listen_interval);
4606                 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4607                                 params->listen_interval))
4608                         goto fail;
4609         } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
4610                 wpa_printf(MSG_DEBUG, "  * peer_aid=%u", params->aid);
4611                 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
4612                         goto fail;
4613         } else if (FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4614                    (params->flags & WPA_STA_ASSOCIATED)) {
4615                 wpa_printf(MSG_DEBUG, "  * aid=%u", params->aid);
4616                 wpa_printf(MSG_DEBUG, "  * listen_interval=%u",
4617                            params->listen_interval);
4618                 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid) ||
4619                     nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4620                                 params->listen_interval))
4621                         goto fail;
4622         }
4623
4624         if (params->vht_opmode_enabled) {
4625                 wpa_printf(MSG_DEBUG, "  * opmode=%u", params->vht_opmode);
4626                 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
4627                                params->vht_opmode))
4628                         goto fail;
4629         }
4630
4631         if (params->supp_channels) {
4632                 wpa_hexdump(MSG_DEBUG, "  * supported channels",
4633                             params->supp_channels, params->supp_channels_len);
4634                 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
4635                             params->supp_channels_len, params->supp_channels))
4636                         goto fail;
4637         }
4638
4639         if (params->supp_oper_classes) {
4640                 wpa_hexdump(MSG_DEBUG, "  * supported operating classes",
4641                             params->supp_oper_classes,
4642                             params->supp_oper_classes_len);
4643                 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
4644                             params->supp_oper_classes_len,
4645                             params->supp_oper_classes))
4646                         goto fail;
4647         }
4648
4649         os_memset(&upd, 0, sizeof(upd));
4650         upd.set = sta_flags_nl80211(params->flags);
4651         upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
4652
4653         /*
4654          * If the driver doesn't support full AP client state, ignore ASSOC/AUTH
4655          * flags, as nl80211 driver moves a new station, by default, into
4656          * associated state.
4657          *
4658          * On the other hand, if the driver supports that feature and the
4659          * station is added in unauthenticated state, set the
4660          * authenticated/associated bits in the mask to prevent moving this
4661          * station to associated state before it is actually associated.
4662          *
4663          * This is irrelevant for mesh mode where the station is added to the
4664          * driver as authenticated already, and ASSOCIATED isn't part of the
4665          * nl80211 API.
4666          */
4667         if (!is_mesh_interface(drv->nlmode)) {
4668                 if (!FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) {
4669                         wpa_printf(MSG_DEBUG,
4670                                    "nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state");
4671                         upd.mask &= ~(BIT(NL80211_STA_FLAG_ASSOCIATED) |
4672                                       BIT(NL80211_STA_FLAG_AUTHENTICATED));
4673                 } else if (!params->set &&
4674                            !(params->flags & WPA_STA_TDLS_PEER)) {
4675                         if (!(params->flags & WPA_STA_AUTHENTICATED))
4676                                 upd.mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
4677                         if (!(params->flags & WPA_STA_ASSOCIATED))
4678                                 upd.mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
4679                 }
4680 #ifdef CONFIG_MESH
4681         } else {
4682                 if (params->plink_state == PLINK_ESTAB && params->peer_aid) {
4683                         ret = nla_put_u16(msg, NL80211_ATTR_MESH_PEER_AID,
4684                                           params->peer_aid);
4685                         if (ret)
4686                                 goto fail;
4687                 }
4688 #endif /* CONFIG_MESH */
4689         }
4690
4691         wpa_printf(MSG_DEBUG, "  * flags set=0x%x mask=0x%x",
4692                    upd.set, upd.mask);
4693         if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4694                 goto fail;
4695
4696 #ifdef CONFIG_MESH
4697         if (params->plink_state &&
4698             nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
4699                        sta_plink_state_nl80211(params->plink_state)))
4700                 goto fail;
4701 #endif /* CONFIG_MESH */
4702
4703         if ((!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
4704              FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) &&
4705              (params->flags & WPA_STA_WMM)) {
4706                 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
4707
4708                 wpa_printf(MSG_DEBUG, "  * qosinfo=0x%x", params->qosinfo);
4709                 if (!wme ||
4710                     nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
4711                                params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
4712                     nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
4713                                (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
4714                                WMM_QOSINFO_STA_SP_MASK))
4715                         goto fail;
4716                 nla_nest_end(msg, wme);
4717         }
4718
4719         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4720         msg = NULL;
4721         if (ret)
4722                 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
4723                            "result: %d (%s)", params->set ? "SET" : "NEW", ret,
4724                            strerror(-ret));
4725         if (ret == -EEXIST)
4726                 ret = 0;
4727 fail:
4728         nlmsg_free(msg);
4729         return ret;
4730 }
4731
4732
4733 static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
4734 {
4735 #ifdef CONFIG_LIBNL3_ROUTE
4736         struct wpa_driver_nl80211_data *drv = bss->drv;
4737         struct rtnl_neigh *rn;
4738         struct nl_addr *nl_addr;
4739         int err;
4740
4741         rn = rtnl_neigh_alloc();
4742         if (!rn)
4743                 return;
4744
4745         rtnl_neigh_set_family(rn, AF_BRIDGE);
4746         rtnl_neigh_set_ifindex(rn, bss->ifindex);
4747         nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
4748         if (!nl_addr) {
4749                 rtnl_neigh_put(rn);
4750                 return;
4751         }
4752         rtnl_neigh_set_lladdr(rn, nl_addr);
4753
4754         err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
4755         if (err < 0) {
4756                 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
4757                            MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
4758                            bss->ifindex, nl_geterror(err));
4759         } else {
4760                 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
4761                            MACSTR, MAC2STR(addr));
4762         }
4763
4764         nl_addr_put(nl_addr);
4765         rtnl_neigh_put(rn);
4766 #endif /* CONFIG_LIBNL3_ROUTE */
4767 }
4768
4769
4770 static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
4771                                          int deauth, u16 reason_code)
4772 {
4773         struct wpa_driver_nl80211_data *drv = bss->drv;
4774         struct nl_msg *msg;
4775         int ret;
4776
4777         if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
4778             nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
4779             (deauth == 0 &&
4780              nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4781                         WLAN_FC_STYPE_DISASSOC)) ||
4782             (deauth == 1 &&
4783              nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4784                         WLAN_FC_STYPE_DEAUTH)) ||
4785             (reason_code &&
4786              nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
4787                 nlmsg_free(msg);
4788                 return -ENOBUFS;
4789         }
4790
4791         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4792         wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
4793                    " --> %d (%s)",
4794                    bss->ifname, MAC2STR(addr), ret, strerror(-ret));
4795
4796         if (drv->rtnl_sk)
4797                 rtnl_neigh_delete_fdb_entry(bss, addr);
4798
4799         if (ret == -ENOENT)
4800                 return 0;
4801         return ret;
4802 }
4803
4804
4805 void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
4806 {
4807         struct nl_msg *msg;
4808         struct wpa_driver_nl80211_data *drv2;
4809
4810         wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
4811
4812         /* stop listening for EAPOL on this interface */
4813         dl_list_for_each(drv2, &drv->global->interfaces,
4814                          struct wpa_driver_nl80211_data, list)
4815         {
4816                 del_ifidx(drv2, ifidx, IFIDX_ANY);
4817                 /* Remove all bridges learned for this iface */
4818                 del_ifidx(drv2, IFIDX_ANY, ifidx);
4819         }
4820
4821         msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
4822         if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
4823                 return;
4824         wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
4825 }
4826
4827
4828 const char * nl80211_iftype_str(enum nl80211_iftype mode)
4829 {
4830         switch (mode) {
4831         case NL80211_IFTYPE_ADHOC:
4832                 return "ADHOC";
4833         case NL80211_IFTYPE_STATION:
4834                 return "STATION";
4835         case NL80211_IFTYPE_AP:
4836                 return "AP";
4837         case NL80211_IFTYPE_AP_VLAN:
4838                 return "AP_VLAN";
4839         case NL80211_IFTYPE_WDS:
4840                 return "WDS";
4841         case NL80211_IFTYPE_MONITOR:
4842                 return "MONITOR";
4843         case NL80211_IFTYPE_MESH_POINT:
4844                 return "MESH_POINT";
4845         case NL80211_IFTYPE_P2P_CLIENT:
4846                 return "P2P_CLIENT";
4847         case NL80211_IFTYPE_P2P_GO:
4848                 return "P2P_GO";
4849         case NL80211_IFTYPE_P2P_DEVICE:
4850                 return "P2P_DEVICE";
4851         default:
4852                 return "unknown";
4853         }
4854 }
4855
4856
4857 static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
4858                                      const char *ifname,
4859                                      enum nl80211_iftype iftype,
4860                                      const u8 *addr, int wds,
4861                                      int (*handler)(struct nl_msg *, void *),
4862                                      void *arg)
4863 {
4864         struct nl_msg *msg;
4865         int ifidx;
4866         int ret = -ENOBUFS;
4867
4868         wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
4869                    iftype, nl80211_iftype_str(iftype));
4870
4871         msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
4872         if (!msg ||
4873             nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
4874             nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
4875                 goto fail;
4876
4877         if (iftype == NL80211_IFTYPE_MONITOR) {
4878                 struct nlattr *flags;
4879
4880                 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
4881                 if (!flags ||
4882                     nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
4883                         goto fail;
4884
4885                 nla_nest_end(msg, flags);
4886         } else if (wds) {
4887                 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
4888                         goto fail;
4889         }
4890
4891         /*
4892          * Tell cfg80211 that the interface belongs to the socket that created
4893          * it, and the interface should be deleted when the socket is closed.
4894          */
4895         if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
4896                 goto fail;
4897
4898         ret = send_and_recv_msgs(drv, msg, handler, arg);
4899         msg = NULL;
4900         if (ret) {
4901         fail:
4902                 nlmsg_free(msg);
4903                 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
4904                            ifname, ret, strerror(-ret));
4905                 return ret;
4906         }
4907
4908         if (iftype == NL80211_IFTYPE_P2P_DEVICE)
4909                 return 0;
4910
4911         ifidx = if_nametoindex(ifname);
4912         wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
4913                    ifname, ifidx);
4914
4915         if (ifidx <= 0)
4916                 return -1;
4917
4918         /*
4919          * Some virtual interfaces need to process EAPOL packets and events on
4920          * the parent interface. This is used mainly with hostapd.
4921          */
4922         if (drv->hostapd ||
4923             iftype == NL80211_IFTYPE_AP_VLAN ||
4924             iftype == NL80211_IFTYPE_WDS ||
4925             iftype == NL80211_IFTYPE_MONITOR) {
4926                 /* start listening for EAPOL on this interface */
4927                 add_ifidx(drv, ifidx, IFIDX_ANY);
4928         }
4929
4930         if (addr && iftype != NL80211_IFTYPE_MONITOR &&
4931             linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
4932                 nl80211_remove_iface(drv, ifidx);
4933                 return -1;
4934         }
4935
4936         return ifidx;
4937 }
4938
4939
4940 int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
4941                          const char *ifname, enum nl80211_iftype iftype,
4942                          const u8 *addr, int wds,
4943                          int (*handler)(struct nl_msg *, void *),
4944                          void *arg, int use_existing)
4945 {
4946         int ret;
4947
4948         ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
4949                                         arg);
4950
4951         /* if error occurred and interface exists already */
4952         if (ret == -ENFILE && if_nametoindex(ifname)) {
4953                 if (use_existing) {
4954                         wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
4955                                    ifname);
4956                         if (addr && iftype != NL80211_IFTYPE_MONITOR &&
4957                             linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4958                                                addr) < 0 &&
4959                             (linux_set_iface_flags(drv->global->ioctl_sock,
4960                                                    ifname, 0) < 0 ||
4961                              linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4962                                                 addr) < 0 ||
4963                              linux_set_iface_flags(drv->global->ioctl_sock,
4964                                                    ifname, 1) < 0))
4965                                         return -1;
4966                         return -ENFILE;
4967                 }
4968                 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
4969
4970                 /* Try to remove the interface that was already there. */
4971                 nl80211_remove_iface(drv, if_nametoindex(ifname));
4972
4973                 /* Try to create the interface again */
4974                 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
4975                                                 wds, handler, arg);
4976         }
4977
4978         if (ret >= 0 && is_p2p_net_interface(iftype)) {
4979                 wpa_printf(MSG_DEBUG,
4980                            "nl80211: Interface %s created for P2P - disable 11b rates",
4981                            ifname);
4982                 nl80211_disable_11b_rates(drv, ret, 1);
4983         }
4984
4985         return ret;
4986 }
4987
4988
4989 static int nl80211_setup_ap(struct i802_bss *bss)
4990 {
4991         struct wpa_driver_nl80211_data *drv = bss->drv;
4992
4993         wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
4994                    bss->ifname, drv->device_ap_sme, drv->use_monitor);
4995
4996         /*
4997          * Disable Probe Request reporting unless we need it in this way for
4998          * devices that include the AP SME, in the other case (unless using
4999          * monitor iface) we'll get it through the nl_mgmt socket instead.
5000          */
5001         if (!drv->device_ap_sme)
5002                 wpa_driver_nl80211_probe_req_report(bss, 0);
5003
5004         if (!drv->device_ap_sme && !drv->use_monitor)
5005                 if (nl80211_mgmt_subscribe_ap(bss))
5006                         return -1;
5007
5008         if (drv->device_ap_sme && !drv->use_monitor)
5009                 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
5010                         wpa_printf(MSG_DEBUG,
5011                                    "nl80211: Failed to subscribe for mgmt frames from SME driver - trying to run without it");
5012
5013         if (!drv->device_ap_sme && drv->use_monitor &&
5014             nl80211_create_monitor_interface(drv) &&
5015             !drv->device_ap_sme)
5016                 return -1;
5017
5018         if (drv->device_ap_sme &&
5019             wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
5020                 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
5021                            "Probe Request frame reporting in AP mode");
5022                 /* Try to survive without this */
5023         }
5024
5025         return 0;
5026 }
5027
5028
5029 static void nl80211_teardown_ap(struct i802_bss *bss)
5030 {
5031         struct wpa_driver_nl80211_data *drv = bss->drv;
5032
5033         wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
5034                    bss->ifname, drv->device_ap_sme, drv->use_monitor);
5035         if (drv->device_ap_sme) {
5036                 wpa_driver_nl80211_probe_req_report(bss, 0);
5037                 if (!drv->use_monitor)
5038                         nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
5039         } else if (drv->use_monitor)
5040                 nl80211_remove_monitor_interface(drv);
5041         else
5042                 nl80211_mgmt_unsubscribe(bss, "AP teardown");
5043
5044         nl80211_put_wiphy_data_ap(bss);
5045         bss->beacon_set = 0;
5046 }
5047
5048
5049 static int nl80211_send_eapol_data(struct i802_bss *bss,
5050                                    const u8 *addr, const u8 *data,
5051                                    size_t data_len)
5052 {
5053         struct sockaddr_ll ll;
5054         int ret;
5055
5056         if (bss->drv->eapol_tx_sock < 0) {
5057                 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
5058                 return -1;
5059         }
5060
5061         os_memset(&ll, 0, sizeof(ll));
5062         ll.sll_family = AF_PACKET;
5063         ll.sll_ifindex = bss->ifindex;
5064         ll.sll_protocol = htons(ETH_P_PAE);
5065         ll.sll_halen = ETH_ALEN;
5066         os_memcpy(ll.sll_addr, addr, ETH_ALEN);
5067         ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
5068                      (struct sockaddr *) &ll, sizeof(ll));
5069         if (ret < 0)
5070                 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
5071                            strerror(errno));
5072
5073         return ret;
5074 }
5075
5076
5077 static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
5078
5079 static int wpa_driver_nl80211_hapd_send_eapol(
5080         void *priv, const u8 *addr, const u8 *data,
5081         size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
5082 {
5083         struct i802_bss *bss = priv;
5084         struct wpa_driver_nl80211_data *drv = bss->drv;
5085         struct ieee80211_hdr *hdr;
5086         size_t len;
5087         u8 *pos;
5088         int res;
5089         int qos = flags & WPA_STA_WMM;
5090
5091         if (drv->device_ap_sme || !drv->use_monitor)
5092                 return nl80211_send_eapol_data(bss, addr, data, data_len);
5093
5094         len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
5095                 data_len;
5096         hdr = os_zalloc(len);
5097         if (hdr == NULL) {
5098                 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
5099                            (unsigned long) len);
5100                 return -1;
5101         }
5102
5103         hdr->frame_control =
5104                 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
5105         hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
5106         if (encrypt)
5107                 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
5108         if (qos) {
5109                 hdr->frame_control |=
5110                         host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
5111         }
5112
5113         memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
5114         memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
5115         memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
5116         pos = (u8 *) (hdr + 1);
5117
5118         if (qos) {
5119                 /* Set highest priority in QoS header */
5120                 pos[0] = 7;
5121                 pos[1] = 0;
5122                 pos += 2;
5123         }
5124
5125         memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
5126         pos += sizeof(rfc1042_header);
5127         WPA_PUT_BE16(pos, ETH_P_PAE);
5128         pos += 2;
5129         memcpy(pos, data, data_len);
5130
5131         res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
5132                                             0, 0, 0, 0, NULL, 0);
5133         if (res < 0) {
5134                 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
5135                            "failed: %d (%s)",
5136                            (unsigned long) len, errno, strerror(errno));
5137         }
5138         os_free(hdr);
5139
5140         return res;
5141 }
5142
5143
5144 static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
5145                                             unsigned int total_flags,
5146                                             unsigned int flags_or,
5147                                             unsigned int flags_and)
5148 {
5149         struct i802_bss *bss = priv;
5150         struct nl_msg *msg;
5151         struct nlattr *flags;
5152         struct nl80211_sta_flag_update upd;
5153
5154         wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
5155                    " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
5156                    bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
5157                    !!(total_flags & WPA_STA_AUTHORIZED));
5158
5159         if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5160             nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
5161                 goto fail;
5162
5163         /*
5164          * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
5165          * can be removed eventually.
5166          */
5167         flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
5168         if (!flags ||
5169             ((total_flags & WPA_STA_AUTHORIZED) &&
5170              nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
5171             ((total_flags & WPA_STA_WMM) &&
5172              nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
5173             ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
5174              nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
5175             ((total_flags & WPA_STA_MFP) &&
5176              nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
5177             ((total_flags & WPA_STA_TDLS_PEER) &&
5178              nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
5179                 goto fail;
5180
5181         nla_nest_end(msg, flags);
5182
5183         os_memset(&upd, 0, sizeof(upd));
5184         upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
5185         upd.set = sta_flags_nl80211(flags_or);
5186         if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
5187                 goto fail;
5188
5189         return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5190 fail:
5191         nlmsg_free(msg);
5192         return -ENOBUFS;
5193 }
5194
5195
5196 static int driver_nl80211_sta_set_airtime_weight(void *priv, const u8 *addr,
5197                                                  unsigned int weight)
5198 {
5199         struct i802_bss *bss = priv;
5200         struct nl_msg *msg;
5201
5202         wpa_printf(MSG_DEBUG,
5203                    "nl80211: Set STA airtime weight - ifname=%s addr=" MACSTR
5204                    " weight=%u", bss->ifname, MAC2STR(addr), weight);
5205
5206         if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5207             nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5208             nla_put_u16(msg, NL80211_ATTR_AIRTIME_WEIGHT, weight))
5209                 goto fail;
5210
5211         return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5212 fail:
5213         nlmsg_free(msg);
5214         return -ENOBUFS;
5215 }
5216
5217
5218 static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
5219                                  struct wpa_driver_associate_params *params)
5220 {
5221         enum nl80211_iftype nlmode, old_mode;
5222
5223         if (params->p2p) {
5224                 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
5225                            "group (GO)");
5226                 nlmode = NL80211_IFTYPE_P2P_GO;
5227         } else
5228                 nlmode = NL80211_IFTYPE_AP;
5229
5230         old_mode = drv->nlmode;
5231         if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
5232                 nl80211_remove_monitor_interface(drv);
5233                 return -1;
5234         }
5235
5236         if (params->freq.freq &&
5237             nl80211_set_channel(drv->first_bss, &params->freq, 0)) {
5238                 if (old_mode != nlmode)
5239                         wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
5240                 nl80211_remove_monitor_interface(drv);
5241                 return -1;
5242         }
5243
5244         return 0;
5245 }
5246
5247
5248 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
5249                               int reset_mode)
5250 {
5251         struct nl_msg *msg;
5252         int ret;
5253
5254         msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
5255         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5256         if (ret) {
5257                 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
5258                            "(%s)", ret, strerror(-ret));
5259         } else {
5260                 wpa_printf(MSG_DEBUG,
5261                            "nl80211: Leave IBSS request sent successfully");
5262         }
5263
5264         if (reset_mode &&
5265             wpa_driver_nl80211_set_mode(drv->first_bss,
5266                                         NL80211_IFTYPE_STATION)) {
5267                 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
5268                            "station mode");
5269         }
5270
5271         return ret;
5272 }
5273
5274
5275 static int nl80211_ht_vht_overrides(struct nl_msg *msg,
5276                                     struct wpa_driver_associate_params *params)
5277 {
5278         if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
5279                 return -1;
5280
5281         if (params->htcaps && params->htcaps_mask) {
5282                 int sz = sizeof(struct ieee80211_ht_capabilities);
5283                 wpa_hexdump(MSG_DEBUG, "  * htcaps", params->htcaps, sz);
5284                 wpa_hexdump(MSG_DEBUG, "  * htcaps_mask",
5285                             params->htcaps_mask, sz);
5286                 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
5287                             params->htcaps) ||
5288                     nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
5289                             params->htcaps_mask))
5290                         return -1;
5291         }
5292
5293 #ifdef CONFIG_VHT_OVERRIDES
5294         if (params->disable_vht) {
5295                 wpa_printf(MSG_DEBUG, "  * VHT disabled");
5296                 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
5297                         return -1;
5298         }
5299
5300         if (params->vhtcaps && params->vhtcaps_mask) {
5301                 int sz = sizeof(struct ieee80211_vht_capabilities);
5302                 wpa_hexdump(MSG_DEBUG, "  * vhtcaps", params->vhtcaps, sz);
5303                 wpa_hexdump(MSG_DEBUG, "  * vhtcaps_mask",
5304                             params->vhtcaps_mask, sz);
5305                 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
5306                             params->vhtcaps) ||
5307                     nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
5308                             params->vhtcaps_mask))
5309                         return -1;
5310         }
5311 #endif /* CONFIG_VHT_OVERRIDES */
5312
5313         return 0;
5314 }
5315
5316
5317 static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
5318                                    struct wpa_driver_associate_params *params)
5319 {
5320         struct nl_msg *msg;
5321         int ret = -1;
5322         int count = 0;
5323
5324         wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
5325
5326         if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, &params->freq)) {
5327                 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
5328                            "IBSS mode");
5329                 return -1;
5330         }
5331
5332 retry:
5333         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
5334             params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
5335                 goto fail;
5336
5337         wpa_printf(MSG_DEBUG, "  * SSID=%s",
5338                    wpa_ssid_txt(params->ssid, params->ssid_len));
5339         if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
5340                 goto fail;
5341         os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5342         drv->ssid_len = params->ssid_len;
5343
5344         if (nl80211_put_freq_params(msg, &params->freq) < 0 ||
5345             nl80211_put_beacon_int(msg, params->beacon_int))
5346                 goto fail;
5347
5348         ret = nl80211_set_conn_keys(params, msg);
5349         if (ret)
5350                 goto fail;
5351
5352         if (params->bssid && params->fixed_bssid) {
5353                 wpa_printf(MSG_DEBUG, "  * BSSID=" MACSTR,
5354                            MAC2STR(params->bssid));
5355                 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5356                         goto fail;
5357         }
5358
5359         if (params->fixed_freq) {
5360                 wpa_printf(MSG_DEBUG, "  * fixed_freq");
5361                 if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED))
5362                         goto fail;
5363         }
5364
5365         if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5366             params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5367             params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
5368             params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
5369                 wpa_printf(MSG_DEBUG, "  * control port");
5370                 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5371                         goto fail;
5372         }
5373
5374         if (params->wpa_ie) {
5375                 wpa_hexdump(MSG_DEBUG,
5376                             "  * Extra IEs for Beacon/Probe Response frames",
5377                             params->wpa_ie, params->wpa_ie_len);
5378                 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
5379                             params->wpa_ie))
5380                         goto fail;
5381         }
5382
5383         ret = nl80211_ht_vht_overrides(msg, params);
5384         if (ret < 0)
5385                 goto fail;
5386
5387         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5388         msg = NULL;
5389         if (ret) {
5390                 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
5391                            ret, strerror(-ret));
5392                 count++;
5393                 if (ret == -EALREADY && count == 1) {
5394                         wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
5395                                    "forced leave");
5396                         nl80211_leave_ibss(drv, 0);
5397                         nlmsg_free(msg);
5398                         goto retry;
5399                 }
5400         } else {
5401                 wpa_printf(MSG_DEBUG,
5402                            "nl80211: Join IBSS request sent successfully");
5403         }
5404
5405 fail:
5406         nlmsg_free(msg);
5407         return ret;
5408 }
5409
5410
5411 static int nl80211_put_fils_connect_params(struct wpa_driver_nl80211_data *drv,
5412                                            struct wpa_driver_associate_params *params,
5413                                            struct nl_msg *msg)
5414 {
5415         if (params->fils_erp_username_len) {
5416                 wpa_hexdump_ascii(MSG_DEBUG, "  * FILS ERP EMSKname/username",
5417                                   params->fils_erp_username,
5418                                   params->fils_erp_username_len);
5419                 if (nla_put(msg, NL80211_ATTR_FILS_ERP_USERNAME,
5420                             params->fils_erp_username_len,
5421                             params->fils_erp_username))
5422                         return -1;
5423         }
5424
5425         if (params->fils_erp_realm_len) {
5426                 wpa_hexdump_ascii(MSG_DEBUG, "  * FILS ERP Realm",
5427                                   params->fils_erp_realm,
5428                                   params->fils_erp_realm_len);
5429                 if (nla_put(msg, NL80211_ATTR_FILS_ERP_REALM,
5430                             params->fils_erp_realm_len, params->fils_erp_realm))
5431                         return -1;
5432         }
5433
5434         wpa_printf(MSG_DEBUG, "  * FILS ERP next seq %u",
5435                    params->fils_erp_next_seq_num);
5436         if (nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
5437                         params->fils_erp_next_seq_num))
5438                 return -1;
5439
5440         if (params->fils_erp_rrk_len) {
5441                 wpa_printf(MSG_DEBUG, "  * FILS ERP rRK (len=%lu)",
5442                            (unsigned long) params->fils_erp_rrk_len);
5443                 if (nla_put(msg, NL80211_ATTR_FILS_ERP_RRK,
5444                             params->fils_erp_rrk_len, params->fils_erp_rrk))
5445                         return -1;
5446         }
5447
5448         return 0;
5449 }
5450
5451
5452 static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
5453                                   struct wpa_driver_associate_params *params,
5454                                   struct nl_msg *msg)
5455 {
5456         if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
5457                 return -1;
5458
5459         if (params->bssid) {
5460                 wpa_printf(MSG_DEBUG, "  * bssid=" MACSTR,
5461                            MAC2STR(params->bssid));
5462                 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5463                         return -1;
5464         }
5465
5466         if (params->bssid_hint) {
5467                 wpa_printf(MSG_DEBUG, "  * bssid_hint=" MACSTR,
5468                            MAC2STR(params->bssid_hint));
5469                 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
5470                             params->bssid_hint))
5471                         return -1;
5472         }
5473
5474         if (params->freq.freq) {
5475                 wpa_printf(MSG_DEBUG, "  * freq=%d", params->freq.freq);
5476                 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
5477                                 params->freq.freq))
5478                         return -1;
5479                 drv->assoc_freq = params->freq.freq;
5480         } else
5481                 drv->assoc_freq = 0;
5482
5483         if (params->freq_hint) {
5484                 wpa_printf(MSG_DEBUG, "  * freq_hint=%d", params->freq_hint);
5485                 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
5486                                 params->freq_hint))
5487                         return -1;
5488         }
5489
5490         if (params->bg_scan_period >= 0) {
5491                 wpa_printf(MSG_DEBUG, "  * bg scan period=%d",
5492                            params->bg_scan_period);
5493                 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
5494                                 params->bg_scan_period))
5495                         return -1;
5496         }
5497
5498         if (params->ssid) {
5499                 wpa_printf(MSG_DEBUG, "  * SSID=%s",
5500                            wpa_ssid_txt(params->ssid, params->ssid_len));
5501                 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
5502                             params->ssid))
5503                         return -1;
5504                 if (params->ssid_len > sizeof(drv->ssid))
5505                         return -1;
5506                 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5507                 drv->ssid_len = params->ssid_len;
5508         }
5509
5510         wpa_hexdump(MSG_DEBUG, "  * IEs", params->wpa_ie, params->wpa_ie_len);
5511         if (params->wpa_ie &&
5512             nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
5513                 return -1;
5514
5515         if (params->wpa_proto) {
5516                 enum nl80211_wpa_versions ver = 0;
5517
5518                 if (params->wpa_proto & WPA_PROTO_WPA)
5519                         ver |= NL80211_WPA_VERSION_1;
5520                 if (params->wpa_proto & WPA_PROTO_RSN)
5521                         ver |= NL80211_WPA_VERSION_2;
5522
5523                 wpa_printf(MSG_DEBUG, "  * WPA Versions 0x%x", ver);
5524                 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
5525                         return -1;
5526         }
5527
5528         if (params->pairwise_suite != WPA_CIPHER_NONE) {
5529                 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
5530                 wpa_printf(MSG_DEBUG, "  * pairwise=0x%x", cipher);
5531                 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
5532                                 cipher))
5533                         return -1;
5534         }
5535
5536         if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
5537             !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
5538                 /*
5539                  * This is likely to work even though many drivers do not
5540                  * advertise support for operations without GTK.
5541                  */
5542                 wpa_printf(MSG_DEBUG, "  * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
5543         } else if (params->group_suite != WPA_CIPHER_NONE) {
5544                 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
5545                 wpa_printf(MSG_DEBUG, "  * group=0x%x", cipher);
5546                 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
5547                         return -1;
5548         }
5549
5550         if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5551             params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5552             params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
5553             params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
5554             params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
5555             params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
5556             params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
5557             params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
5558             params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
5559             params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE ||
5560             params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
5561             params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192 ||
5562             params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X_SHA384 ||
5563             params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA256 ||
5564             params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA384 ||
5565             params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA256 ||
5566             params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA384 ||
5567             params->key_mgmt_suite == WPA_KEY_MGMT_OWE ||
5568             params->key_mgmt_suite == WPA_KEY_MGMT_DPP) {
5569                 int mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
5570
5571                 switch (params->key_mgmt_suite) {
5572                 case WPA_KEY_MGMT_CCKM:
5573                         mgmt = RSN_AUTH_KEY_MGMT_CCKM;
5574                         break;
5575                 case WPA_KEY_MGMT_IEEE8021X:
5576                         mgmt = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
5577                         break;
5578                 case WPA_KEY_MGMT_FT_IEEE8021X:
5579                         mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X;
5580                         break;
5581                 case WPA_KEY_MGMT_FT_PSK:
5582                         mgmt = RSN_AUTH_KEY_MGMT_FT_PSK;
5583                         break;
5584                 case WPA_KEY_MGMT_IEEE8021X_SHA256:
5585                         mgmt = RSN_AUTH_KEY_MGMT_802_1X_SHA256;
5586                         break;
5587                 case WPA_KEY_MGMT_PSK_SHA256:
5588                         mgmt = RSN_AUTH_KEY_MGMT_PSK_SHA256;
5589                         break;
5590                 case WPA_KEY_MGMT_OSEN:
5591                         mgmt = RSN_AUTH_KEY_MGMT_OSEN;
5592                         break;
5593                 case WPA_KEY_MGMT_SAE:
5594                         mgmt = RSN_AUTH_KEY_MGMT_SAE;
5595                         break;
5596                 case WPA_KEY_MGMT_FT_SAE:
5597                         mgmt = RSN_AUTH_KEY_MGMT_FT_SAE;
5598                         break;
5599                 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
5600                         mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B;
5601                         break;
5602                 case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
5603                         mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192;
5604                         break;
5605                 case WPA_KEY_MGMT_FT_IEEE8021X_SHA384:
5606                         mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384;
5607                         break;
5608                 case WPA_KEY_MGMT_FILS_SHA256:
5609                         mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA256;
5610                         break;
5611                 case WPA_KEY_MGMT_FILS_SHA384:
5612                         mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA384;
5613                         break;
5614                 case WPA_KEY_MGMT_FT_FILS_SHA256:
5615                         mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA256;
5616                         break;
5617                 case WPA_KEY_MGMT_FT_FILS_SHA384:
5618                         mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA384;
5619                         break;
5620                 case WPA_KEY_MGMT_OWE:
5621                         mgmt = RSN_AUTH_KEY_MGMT_OWE;
5622                         break;
5623                 case WPA_KEY_MGMT_DPP:
5624                         mgmt = RSN_AUTH_KEY_MGMT_DPP;
5625                         break;
5626                 case WPA_KEY_MGMT_PSK:
5627                 default:
5628                         mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
5629                         break;
5630                 }
5631                 wpa_printf(MSG_DEBUG, "  * akm=0x%x", mgmt);
5632                 if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
5633                         return -1;
5634         }
5635
5636         if (params->req_handshake_offload &&
5637             (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X)) {
5638                     wpa_printf(MSG_DEBUG, "  * WANT_1X_4WAY_HS");
5639                     if (nla_put_flag(msg, NL80211_ATTR_WANT_1X_4WAY_HS))
5640                             return -1;
5641             }
5642
5643         /* Add PSK in case of 4-way handshake offload */
5644         if (params->psk &&
5645             (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK)) {
5646                 wpa_hexdump_key(MSG_DEBUG, "  * PSK", params->psk, 32);
5647                 if (nla_put(msg, NL80211_ATTR_PMK, 32, params->psk))
5648                         return -1;
5649         }
5650
5651         if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5652                 return -1;
5653
5654         if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
5655             (params->pairwise_suite == WPA_CIPHER_NONE ||
5656              params->pairwise_suite == WPA_CIPHER_WEP104 ||
5657              params->pairwise_suite == WPA_CIPHER_WEP40) &&
5658             (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
5659              nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
5660                 return -1;
5661
5662         if (params->rrm_used) {
5663                 u32 drv_rrm_flags = drv->capa.rrm_flags;
5664                 if ((!((drv_rrm_flags &
5665                         WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) &&
5666                        (drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET)) &&
5667                      !(drv_rrm_flags & WPA_DRIVER_FLAGS_SUPPORT_RRM)) ||
5668                     nla_put_flag(msg, NL80211_ATTR_USE_RRM))
5669                         return -1;
5670         }
5671
5672         if (nl80211_ht_vht_overrides(msg, params) < 0)
5673                 return -1;
5674
5675         if (params->p2p)
5676                 wpa_printf(MSG_DEBUG, "  * P2P group");
5677
5678         if (params->pbss) {
5679                 wpa_printf(MSG_DEBUG, "  * PBSS");
5680                 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
5681                         return -1;
5682         }
5683
5684         drv->connect_reassoc = 0;
5685         if (params->prev_bssid) {
5686                 wpa_printf(MSG_DEBUG, "  * prev_bssid=" MACSTR,
5687                            MAC2STR(params->prev_bssid));
5688                 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
5689                             params->prev_bssid))
5690                         return -1;
5691                 drv->connect_reassoc = 1;
5692         }
5693
5694         if ((params->auth_alg & WPA_AUTH_ALG_FILS) &&
5695             nl80211_put_fils_connect_params(drv, params, msg) != 0)
5696                 return -1;
5697
5698         if ((params->auth_alg & WPA_AUTH_ALG_SAE) &&
5699             (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) &&
5700             nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
5701                 return -1;
5702
5703         return 0;
5704 }
5705
5706
5707 static int wpa_driver_nl80211_try_connect(
5708         struct wpa_driver_nl80211_data *drv,
5709         struct wpa_driver_associate_params *params,
5710         struct nl_handle *nl_connect)
5711 {
5712         struct nl_msg *msg;
5713         enum nl80211_auth_type type;
5714         int ret;
5715         int algs;
5716
5717 #ifdef CONFIG_DRIVER_NL80211_QCA
5718         if (params->req_key_mgmt_offload && params->psk &&
5719             (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5720              params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
5721              params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
5722                 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
5723                 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
5724                 if (ret)
5725                         return ret;
5726         }
5727 #endif /* CONFIG_DRIVER_NL80211_QCA */
5728
5729         wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
5730         msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
5731         if (!msg)
5732                 return -1;
5733
5734         ret = nl80211_connect_common(drv, params, msg);
5735         if (ret)
5736                 goto fail;
5737
5738         if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
5739             nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
5740                 goto fail;
5741
5742         if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_OPTIONAL &&
5743             (drv->capa.flags & WPA_DRIVER_FLAGS_MFP_OPTIONAL) &&
5744             nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_OPTIONAL))
5745                 goto fail;
5746
5747         algs = 0;
5748         if (params->auth_alg & WPA_AUTH_ALG_OPEN)
5749                 algs++;
5750         if (params->auth_alg & WPA_AUTH_ALG_SHARED)
5751                 algs++;
5752         if (params->auth_alg & WPA_AUTH_ALG_LEAP)
5753                 algs++;
5754         if (params->auth_alg & WPA_AUTH_ALG_FILS)
5755                 algs++;
5756         if (params->auth_alg & WPA_AUTH_ALG_FT)
5757                 algs++;
5758         if (algs > 1) {
5759                 wpa_printf(MSG_DEBUG, "  * Leave out Auth Type for automatic "
5760                            "selection");
5761                 goto skip_auth_type;
5762         }
5763
5764         type = get_nl_auth_type(params->auth_alg);
5765         wpa_printf(MSG_DEBUG, "  * Auth Type %d", type);
5766         if (type == NL80211_AUTHTYPE_MAX ||
5767             nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
5768                 goto fail;
5769
5770 skip_auth_type:
5771         ret = nl80211_set_conn_keys(params, msg);
5772         if (ret)
5773                 goto fail;
5774
5775         if (nl_connect)
5776                 ret = send_and_recv(drv->global, nl_connect, msg,
5777                                     NULL, (void *) -1);
5778         else
5779                 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
5780
5781         msg = NULL;
5782         if (ret) {
5783                 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
5784                            "(%s)", ret, strerror(-ret));
5785         } else {
5786                 wpa_printf(MSG_DEBUG,
5787                            "nl80211: Connect request send successfully");
5788         }
5789
5790 fail:
5791         nl80211_nlmsg_clear(msg);
5792         nlmsg_free(msg);
5793         return ret;
5794
5795 }
5796
5797
5798 static int wpa_driver_nl80211_connect(
5799         struct wpa_driver_nl80211_data *drv,
5800         struct wpa_driver_associate_params *params,
5801         struct nl_handle *nl_connect)
5802 {
5803         int ret;
5804
5805         /* Store the connection attempted bssid for future use */
5806         if (params->bssid)
5807                 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
5808         else
5809                 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
5810
5811         ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect);
5812         if (ret == -EALREADY) {
5813                 /*
5814                  * cfg80211 does not currently accept new connections if
5815                  * we are already connected. As a workaround, force
5816                  * disconnection and try again.
5817                  */
5818                 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
5819                            "disconnecting before reassociation "
5820                            "attempt");
5821                 if (wpa_driver_nl80211_disconnect(
5822                             drv, WLAN_REASON_PREV_AUTH_NOT_VALID, nl_connect))
5823                         return -1;
5824                 ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect);
5825         }
5826         return ret;
5827 }
5828
5829
5830 static int wpa_driver_nl80211_associate(
5831         void *priv, struct wpa_driver_associate_params *params)
5832 {
5833         struct i802_bss *bss = priv;
5834         struct wpa_driver_nl80211_data *drv = bss->drv;
5835         int ret = -1;
5836         struct nl_msg *msg;
5837
5838         nl80211_unmask_11b_rates(bss);
5839
5840         if (params->mode == IEEE80211_MODE_AP)
5841                 return wpa_driver_nl80211_ap(drv, params);
5842
5843         if (params->mode == IEEE80211_MODE_IBSS)
5844                 return wpa_driver_nl80211_ibss(drv, params);
5845
5846         if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
5847                 enum nl80211_iftype nlmode = params->p2p ?
5848                         NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
5849                 struct nl_handle *nl_connect = NULL;
5850
5851                 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
5852                         return -1;
5853                 if (params->auth_alg & WPA_AUTH_ALG_SAE) {
5854                         nl_connect = bss->nl_connect;
5855                         bss->use_nl_connect = 1;
5856                 } else {
5857                         bss->use_nl_connect = 0;
5858                 }
5859
5860                 return wpa_driver_nl80211_connect(drv, params, nl_connect);
5861         }
5862
5863         nl80211_mark_disconnected(drv);
5864
5865         wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
5866                    drv->ifindex);
5867         msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
5868         if (!msg)
5869                 return -1;
5870
5871         ret = nl80211_connect_common(drv, params, msg);
5872         if (ret)
5873                 goto fail;
5874
5875         if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
5876             nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
5877                 goto fail;
5878
5879         if (params->fils_kek) {
5880                 wpa_printf(MSG_DEBUG, "  * FILS KEK (len=%u)",
5881                            (unsigned int) params->fils_kek_len);
5882                 if (nla_put(msg, NL80211_ATTR_FILS_KEK, params->fils_kek_len,
5883                             params->fils_kek))
5884                         goto fail;
5885         }
5886         if (params->fils_nonces) {
5887                 wpa_hexdump(MSG_DEBUG, "  * FILS nonces (for AAD)",
5888                             params->fils_nonces,
5889                             params->fils_nonces_len);
5890                 if (nla_put(msg, NL80211_ATTR_FILS_NONCES,
5891                             params->fils_nonces_len, params->fils_nonces))
5892                         goto fail;
5893         }
5894
5895         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5896         msg = NULL;
5897         if (ret) {
5898                 wpa_dbg(drv->ctx, MSG_DEBUG,
5899                         "nl80211: MLME command failed (assoc): ret=%d (%s)",
5900                         ret, strerror(-ret));
5901                 nl80211_dump_scan(drv);
5902         } else {
5903                 wpa_printf(MSG_DEBUG,
5904                            "nl80211: Association request send successfully");
5905         }
5906
5907 fail:
5908         nlmsg_free(msg);
5909         return ret;
5910 }
5911
5912
5913 static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
5914                             int ifindex, enum nl80211_iftype mode)
5915 {
5916         struct nl_msg *msg;
5917         int ret = -ENOBUFS;
5918
5919         wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
5920                    ifindex, mode, nl80211_iftype_str(mode));
5921
5922         msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
5923         if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
5924                 goto fail;
5925
5926         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5927         msg = NULL;
5928         if (!ret)
5929                 return 0;
5930 fail:
5931         nlmsg_free(msg);
5932         wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
5933                    " %d (%s)", ifindex, mode, ret, strerror(-ret));
5934         return ret;
5935 }
5936
5937
5938 static int wpa_driver_nl80211_set_mode_impl(
5939                 struct i802_bss *bss,
5940                 enum nl80211_iftype nlmode,
5941                 struct hostapd_freq_params *desired_freq_params)
5942 {
5943         struct wpa_driver_nl80211_data *drv = bss->drv;
5944         int ret = -1;
5945         int i;
5946         int was_ap = is_ap_interface(drv->nlmode);
5947         int res;
5948         int mode_switch_res;
5949
5950         if (TEST_FAIL())
5951                 return -1;
5952
5953         mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
5954         if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
5955                 mode_switch_res = 0;
5956
5957         if (mode_switch_res == 0) {
5958                 drv->nlmode = nlmode;
5959                 ret = 0;
5960                 goto done;
5961         }
5962
5963         if (mode_switch_res == -ENODEV)
5964                 return -1;
5965
5966         if (nlmode == drv->nlmode) {
5967                 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
5968                            "requested mode - ignore error");
5969                 ret = 0;
5970                 goto done; /* Already in the requested mode */
5971         }
5972
5973         /* mac80211 doesn't allow mode changes while the device is up, so
5974          * take the device down, try to set the mode again, and bring the
5975          * device back up.
5976          */
5977         wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
5978                    "interface down");
5979         for (i = 0; i < 10; i++) {
5980                 res = i802_set_iface_flags(bss, 0);
5981                 if (res == -EACCES || res == -ENODEV)
5982                         break;
5983                 if (res != 0) {
5984                         wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
5985                                    "interface down");
5986                         os_sleep(0, 100000);
5987                         continue;
5988                 }
5989
5990                 /*
5991                  * Setting the mode will fail for some drivers if the phy is
5992                  * on a frequency that the mode is disallowed in.
5993                  */
5994                 if (desired_freq_params) {
5995                         res = nl80211_set_channel(bss, desired_freq_params, 0);
5996                         if (res) {
5997                                 wpa_printf(MSG_DEBUG,
5998                                            "nl80211: Failed to set frequency on interface");
5999                         }
6000                 }
6001
6002                 /* Try to set the mode again while the interface is down */
6003                 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
6004                 if (mode_switch_res == -EBUSY) {
6005                         wpa_printf(MSG_DEBUG,
6006                                    "nl80211: Delaying mode set while interface going down");
6007                         os_sleep(0, 100000);
6008                         continue;
6009                 }
6010                 ret = mode_switch_res;
6011                 break;
6012         }
6013
6014         if (!ret) {
6015                 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
6016                            "interface is down");
6017                 drv->nlmode = nlmode;
6018                 drv->ignore_if_down_event = 1;
6019         }
6020
6021         /* Bring the interface back up */
6022         res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
6023         if (res != 0) {
6024                 wpa_printf(MSG_DEBUG,
6025                            "nl80211: Failed to set interface up after switching mode");
6026                 ret = -1;
6027         }
6028
6029 done:
6030         if (ret) {
6031                 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
6032                            "from %d failed", nlmode, drv->nlmode);
6033                 return ret;
6034         }
6035
6036         if (is_p2p_net_interface(nlmode)) {
6037                 wpa_printf(MSG_DEBUG,
6038                            "nl80211: Interface %s mode change to P2P - disable 11b rates",
6039                            bss->ifname);
6040                 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
6041         } else if (drv->disabled_11b_rates) {
6042                 wpa_printf(MSG_DEBUG,
6043                            "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
6044                            bss->ifname);
6045                 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
6046         }
6047
6048         if (is_ap_interface(nlmode)) {
6049                 nl80211_mgmt_unsubscribe(bss, "start AP");
6050                 /* Setup additional AP mode functionality if needed */
6051                 if (nl80211_setup_ap(bss))
6052                         return -1;
6053         } else if (was_ap) {
6054                 /* Remove additional AP mode functionality */
6055                 nl80211_teardown_ap(bss);
6056         } else {
6057                 nl80211_mgmt_unsubscribe(bss, "mode change");
6058         }
6059
6060         if (is_mesh_interface(nlmode) &&
6061             nl80211_mgmt_subscribe_mesh(bss))
6062                 return -1;
6063
6064         if (!bss->in_deinit && !is_ap_interface(nlmode) &&
6065             !is_mesh_interface(nlmode) &&
6066             nl80211_mgmt_subscribe_non_ap(bss) < 0)
6067                 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
6068                            "frame processing - ignore for now");
6069
6070         return 0;
6071 }
6072
6073
6074 int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
6075                                 enum nl80211_iftype nlmode)
6076 {
6077         return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
6078 }
6079
6080
6081 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
6082                                             struct hostapd_freq_params *freq)
6083 {
6084         return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
6085                                                 freq);
6086 }
6087
6088
6089 static int wpa_driver_nl80211_get_capa(void *priv,
6090                                        struct wpa_driver_capa *capa)
6091 {
6092         struct i802_bss *bss = priv;
6093         struct wpa_driver_nl80211_data *drv = bss->drv;
6094
6095         if (!drv->has_capability)
6096                 return -1;
6097         os_memcpy(capa, &drv->capa, sizeof(*capa));
6098         if (drv->extended_capa && drv->extended_capa_mask) {
6099                 capa->extended_capa = drv->extended_capa;
6100                 capa->extended_capa_mask = drv->extended_capa_mask;
6101                 capa->extended_capa_len = drv->extended_capa_len;
6102         }
6103
6104         return 0;
6105 }
6106
6107
6108 static int wpa_driver_nl80211_set_operstate(void *priv, int state)
6109 {
6110         struct i802_bss *bss = priv;
6111         struct wpa_driver_nl80211_data *drv = bss->drv;
6112
6113         wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
6114                    bss->ifname, drv->operstate, state,
6115                    state ? "UP" : "DORMANT");
6116         drv->operstate = state;
6117         return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
6118                                       state ? IF_OPER_UP : IF_OPER_DORMANT);
6119 }
6120
6121
6122 static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
6123 {
6124         struct i802_bss *bss = priv;
6125         struct wpa_driver_nl80211_data *drv = bss->drv;
6126         struct nl_msg *msg;
6127         struct nl80211_sta_flag_update upd;
6128         int ret;
6129
6130         if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
6131                 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
6132                 return 0;
6133         }
6134
6135         wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
6136                    MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
6137
6138         os_memset(&upd, 0, sizeof(upd));
6139         upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
6140         if (authorized)
6141                 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
6142
6143         if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
6144             nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
6145             nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
6146                 nlmsg_free(msg);
6147                 return -ENOBUFS;
6148         }
6149
6150         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6151         if (!ret)
6152                 return 0;
6153         wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
6154                    ret, strerror(-ret));
6155         return ret;
6156 }
6157
6158
6159 /* Set kernel driver on given frequency (MHz) */
6160 static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
6161 {
6162         struct i802_bss *bss = priv;
6163         return nl80211_set_channel(bss, freq, 0);
6164 }
6165
6166
6167 static inline int min_int(int a, int b)
6168 {
6169         if (a < b)
6170                 return a;
6171         return b;
6172 }
6173
6174
6175 static int get_key_handler(struct nl_msg *msg, void *arg)
6176 {
6177         struct nlattr *tb[NL80211_ATTR_MAX + 1];
6178         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6179
6180         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6181                   genlmsg_attrlen(gnlh, 0), NULL);
6182
6183         /*
6184          * TODO: validate the key index and mac address!
6185          * Otherwise, there's a race condition as soon as
6186          * the kernel starts sending key notifications.
6187          */
6188
6189         if (tb[NL80211_ATTR_KEY_SEQ])
6190                 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
6191                        min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
6192         nl80211_nlmsg_clear(msg);
6193         return NL_SKIP;
6194 }
6195
6196
6197 static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
6198                            int idx, u8 *seq)
6199 {
6200         struct i802_bss *bss = priv;
6201         struct wpa_driver_nl80211_data *drv = bss->drv;
6202         struct nl_msg *msg;
6203
6204         msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
6205                                   NL80211_CMD_GET_KEY);
6206         if (!msg ||
6207             (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
6208             nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
6209                 nlmsg_free(msg);
6210                 return -ENOBUFS;
6211         }
6212
6213         memset(seq, 0, 6);
6214
6215         return send_and_recv_msgs(drv, msg, get_key_handler, seq);
6216 }
6217
6218
6219 static int i802_set_rts(void *priv, int rts)
6220 {
6221         struct i802_bss *bss = priv;
6222         struct wpa_driver_nl80211_data *drv = bss->drv;
6223         struct nl_msg *msg;
6224         int ret;
6225         u32 val;
6226
6227         if (rts >= 2347 || rts == -1)
6228                 val = (u32) -1;
6229         else
6230                 val = rts;
6231
6232         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
6233             nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
6234                 nlmsg_free(msg);
6235                 return -ENOBUFS;
6236         }
6237
6238         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6239         if (!ret)
6240                 return 0;
6241         wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
6242                    "%d (%s)", rts, ret, strerror(-ret));
6243         return ret;
6244 }
6245
6246
6247 static int i802_set_frag(void *priv, int frag)
6248 {
6249         struct i802_bss *bss = priv;
6250         struct wpa_driver_nl80211_data *drv = bss->drv;
6251         struct nl_msg *msg;
6252         int ret;
6253         u32 val;
6254
6255         if (frag >= 2346 || frag == -1)
6256                 val = (u32) -1;
6257         else
6258                 val = frag;
6259
6260         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
6261             nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
6262                 nlmsg_free(msg);
6263                 return -ENOBUFS;
6264         }
6265
6266         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6267         if (!ret)
6268                 return 0;
6269         wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
6270                    "%d: %d (%s)", frag, ret, strerror(-ret));
6271         return ret;
6272 }
6273
6274
6275 static int i802_flush(void *priv)
6276 {
6277         struct i802_bss *bss = priv;
6278         struct nl_msg *msg;
6279         int res;
6280
6281         wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
6282                    bss->ifname);
6283
6284         /*
6285          * XXX: FIX! this needs to flush all VLANs too
6286          */
6287         msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
6288         res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
6289         if (res) {
6290                 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
6291                            "(%s)", res, strerror(-res));
6292         }
6293         return res;
6294 }
6295
6296
6297 static void get_sta_tid_stats(struct hostap_sta_driver_data *data,
6298                               struct nlattr *attr)
6299 {
6300         struct nlattr *tid_stats[NL80211_TID_STATS_MAX + 1], *tidattr;
6301         struct nlattr *txq_stats[NL80211_TXQ_STATS_MAX + 1];
6302         static struct nla_policy txq_stats_policy[NL80211_TXQ_STATS_MAX + 1] = {
6303                 [NL80211_TXQ_STATS_BACKLOG_BYTES] = { .type = NLA_U32 },
6304                 [NL80211_TXQ_STATS_BACKLOG_PACKETS] = { .type = NLA_U32 },
6305         };
6306         int rem;
6307
6308         nla_for_each_nested(tidattr, attr, rem) {
6309                 if (nla_parse_nested(tid_stats, NL80211_TID_STATS_MAX,
6310                                      tidattr, NULL) != 0 ||
6311                     !tid_stats[NL80211_TID_STATS_TXQ_STATS] ||
6312                     nla_parse_nested(txq_stats, NL80211_TXQ_STATS_MAX,
6313                                      tid_stats[NL80211_TID_STATS_TXQ_STATS],
6314                                      txq_stats_policy) != 0)
6315                         continue;
6316                 /* sum the backlogs over all TIDs for station */
6317                 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES])
6318                         data->backlog_bytes += nla_get_u32(
6319                                 txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES]);
6320                 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS])
6321                         data->backlog_bytes += nla_get_u32(
6322                                 txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS]);
6323         }
6324 }
6325
6326
6327 static int get_sta_handler(struct nl_msg *msg, void *arg)
6328 {
6329         struct nlattr *tb[NL80211_ATTR_MAX + 1];
6330         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6331         struct hostap_sta_driver_data *data = arg;
6332         struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
6333         static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
6334                 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
6335                 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
6336                 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
6337                 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
6338                 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
6339                 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
6340                 [NL80211_STA_INFO_RX_BYTES64] = { .type = NLA_U64 },
6341                 [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 },
6342                 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
6343                 [NL80211_STA_INFO_ACK_SIGNAL] = { .type = NLA_U8 },
6344                 [NL80211_STA_INFO_RX_DURATION] = { .type = NLA_U64 },
6345                 [NL80211_STA_INFO_TX_DURATION] = { .type = NLA_U64 },
6346         };
6347         struct nlattr *rate[NL80211_RATE_INFO_MAX + 1];
6348         static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
6349                 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
6350                 [NL80211_RATE_INFO_BITRATE32] = { .type = NLA_U32 },
6351                 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
6352                 [NL80211_RATE_INFO_VHT_MCS] = { .type = NLA_U8 },
6353                 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
6354                 [NL80211_RATE_INFO_VHT_NSS] = { .type = NLA_U8 },
6355         };
6356
6357         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6358                   genlmsg_attrlen(gnlh, 0), NULL);
6359
6360         /*
6361          * TODO: validate the interface and mac address!
6362          * Otherwise, there's a race condition as soon as
6363          * the kernel starts sending station notifications.
6364          */
6365
6366         if (!tb[NL80211_ATTR_STA_INFO]) {
6367                 wpa_printf(MSG_DEBUG, "sta stats missing!");
6368                 return NL_SKIP;
6369         }
6370         if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
6371                              tb[NL80211_ATTR_STA_INFO],
6372                              stats_policy)) {
6373                 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
6374                 return NL_SKIP;
6375         }
6376
6377         if (stats[NL80211_STA_INFO_INACTIVE_TIME])
6378                 data->inactive_msec =
6379                         nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
6380         /* For backwards compatibility, fetch the 32-bit counters first. */
6381         if (stats[NL80211_STA_INFO_RX_BYTES])
6382                 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
6383         if (stats[NL80211_STA_INFO_TX_BYTES])
6384                 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
6385         if (stats[NL80211_STA_INFO_RX_BYTES64] &&
6386             stats[NL80211_STA_INFO_TX_BYTES64]) {
6387                 /*
6388                  * The driver supports 64-bit counters, so use them to override
6389                  * the 32-bit values.
6390                  */
6391                 data->rx_bytes =
6392                         nla_get_u64(stats[NL80211_STA_INFO_RX_BYTES64]);
6393                 data->tx_bytes =
6394                         nla_get_u64(stats[NL80211_STA_INFO_TX_BYTES64]);
6395                 data->bytes_64bit = 1;
6396         }
6397         if (stats[NL80211_STA_INFO_RX_PACKETS])
6398                 data->rx_packets =
6399                         nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
6400         if (stats[NL80211_STA_INFO_TX_PACKETS])
6401                 data->tx_packets =
6402                         nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
6403         if (stats[NL80211_STA_INFO_RX_DURATION])
6404                 data->rx_airtime =
6405                         nla_get_u64(stats[NL80211_STA_INFO_RX_DURATION]);
6406         if (stats[NL80211_STA_INFO_TX_DURATION])
6407                 data->tx_airtime =
6408                         nla_get_u64(stats[NL80211_STA_INFO_TX_DURATION]);
6409         if (stats[NL80211_STA_INFO_TX_FAILED])
6410                 data->tx_retry_failed =
6411                         nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
6412         if (stats[NL80211_STA_INFO_SIGNAL])
6413                 data->signal = nla_get_u8(stats[NL80211_STA_INFO_SIGNAL]);
6414         if (stats[NL80211_STA_INFO_ACK_SIGNAL]) {
6415                 data->last_ack_rssi =
6416                         nla_get_u8(stats[NL80211_STA_INFO_ACK_SIGNAL]);
6417                 data->flags |= STA_DRV_DATA_LAST_ACK_RSSI;
6418         }
6419
6420         if (stats[NL80211_STA_INFO_TX_BITRATE] &&
6421             nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
6422                              stats[NL80211_STA_INFO_TX_BITRATE],
6423                              rate_policy) == 0) {
6424                 if (rate[NL80211_RATE_INFO_BITRATE32])
6425                         data->current_tx_rate =
6426                                 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
6427                 else if (rate[NL80211_RATE_INFO_BITRATE])
6428                         data->current_tx_rate =
6429                                 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
6430
6431                 if (rate[NL80211_RATE_INFO_MCS]) {
6432                         data->tx_mcs = nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
6433                         data->flags |= STA_DRV_DATA_TX_MCS;
6434                 }
6435                 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
6436                         data->tx_vhtmcs =
6437                                 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
6438                         data->flags |= STA_DRV_DATA_TX_VHT_MCS;
6439                 }
6440                 if (rate[NL80211_RATE_INFO_SHORT_GI])
6441                         data->flags |= STA_DRV_DATA_TX_SHORT_GI;
6442                 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
6443                         data->tx_vht_nss =
6444                                 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
6445                         data->flags |= STA_DRV_DATA_TX_VHT_NSS;
6446                 }
6447         }
6448
6449         if (stats[NL80211_STA_INFO_RX_BITRATE] &&
6450             nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
6451                              stats[NL80211_STA_INFO_RX_BITRATE],
6452                              rate_policy) == 0) {
6453                 if (rate[NL80211_RATE_INFO_BITRATE32])
6454                         data->current_rx_rate =
6455                                 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
6456                 else if (rate[NL80211_RATE_INFO_BITRATE])
6457                         data->current_rx_rate =
6458                                 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
6459
6460                 if (rate[NL80211_RATE_INFO_MCS]) {
6461                         data->rx_mcs =
6462                                 nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
6463                         data->flags |= STA_DRV_DATA_RX_MCS;
6464                 }
6465                 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
6466                         data->rx_vhtmcs =
6467                                 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
6468                         data->flags |= STA_DRV_DATA_RX_VHT_MCS;
6469                 }
6470                 if (rate[NL80211_RATE_INFO_SHORT_GI])
6471                         data->flags |= STA_DRV_DATA_RX_SHORT_GI;
6472                 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
6473                         data->rx_vht_nss =
6474                                 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
6475                         data->flags |= STA_DRV_DATA_RX_VHT_NSS;
6476                 }
6477         }
6478
6479         if (stats[NL80211_STA_INFO_TID_STATS])
6480                 get_sta_tid_stats(data, stats[NL80211_STA_INFO_TID_STATS]);
6481
6482         return NL_SKIP;
6483 }
6484
6485 static int i802_read_sta_data(struct i802_bss *bss,
6486                               struct hostap_sta_driver_data *data,
6487                               const u8 *addr)
6488 {
6489         struct nl_msg *msg;
6490
6491         if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
6492             nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
6493                 nlmsg_free(msg);
6494                 return -ENOBUFS;
6495         }
6496
6497         return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
6498 }
6499
6500
6501 static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
6502                                     int cw_min, int cw_max, int burst_time)
6503 {
6504         struct i802_bss *bss = priv;
6505         struct wpa_driver_nl80211_data *drv = bss->drv;
6506         struct nl_msg *msg;
6507         struct nlattr *txq, *params;
6508         int res;
6509
6510         msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
6511         if (!msg)
6512                 return -1;
6513
6514         txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
6515         if (!txq)
6516                 goto fail;
6517
6518         /* We are only sending parameters for a single TXQ at a time */
6519         params = nla_nest_start(msg, 1);
6520         if (!params)
6521                 goto fail;
6522
6523         switch (queue) {
6524         case 0:
6525                 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
6526                         goto fail;
6527                 break;
6528         case 1:
6529                 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
6530                         goto fail;
6531                 break;
6532         case 2:
6533                 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
6534                         goto fail;
6535                 break;
6536         case 3:
6537                 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
6538                         goto fail;
6539                 break;
6540         }
6541         /* Burst time is configured in units of 0.1 msec and TXOP parameter in
6542          * 32 usec, so need to convert the value here. */
6543         if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
6544                         (burst_time * 100 + 16) / 32) ||
6545             nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
6546             nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
6547             nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
6548                 goto fail;
6549
6550         nla_nest_end(msg, params);
6551
6552         nla_nest_end(msg, txq);
6553
6554         res = send_and_recv_msgs(drv, msg, NULL, NULL);
6555         wpa_printf(MSG_DEBUG,
6556                    "nl80211: TX queue param set: queue=%d aifs=%d cw_min=%d cw_max=%d burst_time=%d --> res=%d",
6557                    queue, aifs, cw_min, cw_max, burst_time, res);
6558         if (res == 0)
6559                 return 0;
6560         msg = NULL;
6561 fail:
6562         nlmsg_free(msg);
6563         return -1;
6564 }
6565
6566
6567 static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
6568                              const char *ifname, int vlan_id)
6569 {
6570         struct wpa_driver_nl80211_data *drv = bss->drv;
6571         struct nl_msg *msg;
6572         int ret;
6573
6574         wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
6575                    ", ifname=%s[%d], vlan_id=%d)",
6576                    bss->ifname, if_nametoindex(bss->ifname),
6577                    MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
6578         if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
6579             nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
6580             nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
6581                 nlmsg_free(msg);
6582                 return -ENOBUFS;
6583         }
6584
6585         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6586         if (ret < 0) {
6587                 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
6588                            MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
6589                            MAC2STR(addr), ifname, vlan_id, ret,
6590                            strerror(-ret));
6591         }
6592         return ret;
6593 }
6594
6595
6596 static int i802_get_inact_sec(void *priv, const u8 *addr)
6597 {
6598         struct hostap_sta_driver_data data;
6599         int ret;
6600
6601         os_memset(&data, 0, sizeof(data));
6602         data.inactive_msec = (unsigned long) -1;
6603         ret = i802_read_sta_data(priv, &data, addr);
6604         if (ret == -ENOENT)
6605                 return -ENOENT;
6606         if (ret || data.inactive_msec == (unsigned long) -1)
6607                 return -1;
6608         return data.inactive_msec / 1000;
6609 }
6610
6611
6612 static int i802_sta_clear_stats(void *priv, const u8 *addr)
6613 {
6614 #if 0
6615         /* TODO */
6616 #endif
6617         return 0;
6618 }
6619
6620
6621 static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
6622                            u16 reason)
6623 {
6624         struct i802_bss *bss = priv;
6625         struct wpa_driver_nl80211_data *drv = bss->drv;
6626         struct ieee80211_mgmt mgmt;
6627         u8 channel;
6628
6629         if (ieee80211_freq_to_chan(bss->freq, &channel) ==
6630             HOSTAPD_MODE_IEEE80211AD) {
6631                 /* Deauthentication is not used in DMG/IEEE 802.11ad;
6632                  * disassociate the STA instead. */
6633                 return i802_sta_disassoc(priv, own_addr, addr, reason);
6634         }
6635
6636         if (is_mesh_interface(drv->nlmode))
6637                 return -1;
6638
6639         if (drv->device_ap_sme)
6640                 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
6641
6642         memset(&mgmt, 0, sizeof(mgmt));
6643         mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6644                                           WLAN_FC_STYPE_DEAUTH);
6645         memcpy(mgmt.da, addr, ETH_ALEN);
6646         memcpy(mgmt.sa, own_addr, ETH_ALEN);
6647         memcpy(mgmt.bssid, own_addr, ETH_ALEN);
6648         mgmt.u.deauth.reason_code = host_to_le16(reason);
6649         return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
6650                                             IEEE80211_HDRLEN +
6651                                             sizeof(mgmt.u.deauth), 0, 0, 0, 0,
6652                                             0, NULL, 0);
6653 }
6654
6655
6656 static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
6657                              u16 reason)
6658 {
6659         struct i802_bss *bss = priv;
6660         struct wpa_driver_nl80211_data *drv = bss->drv;
6661         struct ieee80211_mgmt mgmt;
6662
6663         if (is_mesh_interface(drv->nlmode))
6664                 return -1;
6665
6666         if (drv->device_ap_sme)
6667                 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
6668
6669         memset(&mgmt, 0, sizeof(mgmt));
6670         mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6671                                           WLAN_FC_STYPE_DISASSOC);
6672         memcpy(mgmt.da, addr, ETH_ALEN);
6673         memcpy(mgmt.sa, own_addr, ETH_ALEN);
6674         memcpy(mgmt.bssid, own_addr, ETH_ALEN);
6675         mgmt.u.disassoc.reason_code = host_to_le16(reason);
6676         return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
6677                                             IEEE80211_HDRLEN +
6678                                             sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
6679                                             0, NULL, 0);
6680 }
6681
6682
6683 static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
6684 {
6685         char buf[200], *pos, *end;
6686         int i, res;
6687
6688         pos = buf;
6689         end = pos + sizeof(buf);
6690
6691         for (i = 0; i < drv->num_if_indices; i++) {
6692                 if (!drv->if_indices[i].ifindex)
6693                         continue;
6694                 res = os_snprintf(pos, end - pos, " %d(%d)",
6695                                   drv->if_indices[i].ifindex,
6696                                   drv->if_indices[i].reason);
6697                 if (os_snprintf_error(end - pos, res))
6698                         break;
6699                 pos += res;
6700         }
6701         *pos = '\0';
6702
6703         wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
6704                    drv->num_if_indices, buf);
6705 }
6706
6707
6708 static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6709                       int ifidx_reason)
6710 {
6711         int i;
6712         struct drv_nl80211_if_info *old;
6713
6714         wpa_printf(MSG_DEBUG,
6715                    "nl80211: Add own interface ifindex %d (ifidx_reason %d)",
6716                    ifidx, ifidx_reason);
6717         if (have_ifidx(drv, ifidx, ifidx_reason)) {
6718                 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
6719                            ifidx);
6720                 return;
6721         }
6722         for (i = 0; i < drv->num_if_indices; i++) {
6723                 if (drv->if_indices[i].ifindex == 0) {
6724                         drv->if_indices[i].ifindex = ifidx;
6725                         drv->if_indices[i].reason = ifidx_reason;
6726                         dump_ifidx(drv);
6727                         return;
6728                 }
6729         }
6730
6731         if (drv->if_indices != drv->default_if_indices)
6732                 old = drv->if_indices;
6733         else
6734                 old = NULL;
6735
6736         drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
6737                                            sizeof(*old));
6738         if (!drv->if_indices) {
6739                 if (!old)
6740                         drv->if_indices = drv->default_if_indices;
6741                 else
6742                         drv->if_indices = old;
6743                 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
6744                            "interfaces");
6745                 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
6746                 return;
6747         }
6748         if (!old)
6749                 os_memcpy(drv->if_indices, drv->default_if_indices,
6750                           sizeof(drv->default_if_indices));
6751         drv->if_indices[drv->num_if_indices].ifindex = ifidx;
6752         drv->if_indices[drv->num_if_indices].reason = ifidx_reason;
6753         drv->num_if_indices++;
6754         dump_ifidx(drv);
6755 }
6756
6757
6758 static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6759                       int ifidx_reason)
6760 {
6761         int i;
6762
6763         for (i = 0; i < drv->num_if_indices; i++) {
6764                 if ((drv->if_indices[i].ifindex == ifidx ||
6765                      ifidx == IFIDX_ANY) &&
6766                     (drv->if_indices[i].reason == ifidx_reason ||
6767                      ifidx_reason == IFIDX_ANY)) {
6768                         drv->if_indices[i].ifindex = 0;
6769                         drv->if_indices[i].reason = 0;
6770                         break;
6771                 }
6772         }
6773         dump_ifidx(drv);
6774 }
6775
6776
6777 static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6778                       int ifidx_reason)
6779 {
6780         int i;
6781
6782         for (i = 0; i < drv->num_if_indices; i++)
6783                 if (drv->if_indices[i].ifindex == ifidx &&
6784                     (drv->if_indices[i].reason == ifidx_reason ||
6785                      ifidx_reason == IFIDX_ANY))
6786                         return 1;
6787
6788         return 0;
6789 }
6790
6791
6792 static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
6793                             const char *bridge_ifname, char *ifname_wds)
6794 {
6795         struct i802_bss *bss = priv;
6796         struct wpa_driver_nl80211_data *drv = bss->drv;
6797         char name[IFNAMSIZ + 1];
6798         union wpa_event_data event;
6799         int ret;
6800
6801         ret = os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
6802         if (ret >= (int) sizeof(name))
6803                 wpa_printf(MSG_WARNING,
6804                            "nl80211: WDS interface name was truncated");
6805         else if (ret < 0)
6806                 return ret;
6807
6808         if (ifname_wds)
6809                 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
6810
6811         wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
6812                    " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
6813         if (val) {
6814                 if (!if_nametoindex(name)) {
6815                         if (nl80211_create_iface(drv, name,
6816                                                  NL80211_IFTYPE_AP_VLAN,
6817                                                  bss->addr, 1, NULL, NULL, 0) <
6818                             0)
6819                                 return -1;
6820                         if (bridge_ifname &&
6821                             linux_br_add_if(drv->global->ioctl_sock,
6822                                             bridge_ifname, name) < 0)
6823                                 return -1;
6824
6825                         os_memset(&event, 0, sizeof(event));
6826                         event.wds_sta_interface.sta_addr = addr;
6827                         event.wds_sta_interface.ifname = name;
6828                         event.wds_sta_interface.istatus = INTERFACE_ADDED;
6829                         wpa_supplicant_event(bss->ctx,
6830                                              EVENT_WDS_STA_INTERFACE_STATUS,
6831                                              &event);
6832                 }
6833                 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
6834                         wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
6835                                    "interface %s up", name);
6836                 }
6837                 return i802_set_sta_vlan(priv, addr, name, 0);
6838         } else {
6839                 if (bridge_ifname &&
6840                     linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
6841                                     name) < 0)
6842                         wpa_printf(MSG_INFO,
6843                                    "nl80211: Failed to remove interface %s from bridge %s: %s",
6844                                    name, bridge_ifname, strerror(errno));
6845
6846                 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
6847                 nl80211_remove_iface(drv, if_nametoindex(name));
6848                 os_memset(&event, 0, sizeof(event));
6849                 event.wds_sta_interface.sta_addr = addr;
6850                 event.wds_sta_interface.ifname = name;
6851                 event.wds_sta_interface.istatus = INTERFACE_REMOVED;
6852                 wpa_supplicant_event(bss->ctx, EVENT_WDS_STA_INTERFACE_STATUS,
6853                                      &event);
6854                 return 0;
6855         }
6856 }
6857
6858
6859 static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
6860 {
6861         struct wpa_driver_nl80211_data *drv = eloop_ctx;
6862         struct sockaddr_ll lladdr;
6863         unsigned char buf[3000];
6864         int len;
6865         socklen_t fromlen = sizeof(lladdr);
6866
6867         len = recvfrom(sock, buf, sizeof(buf), 0,
6868                        (struct sockaddr *)&lladdr, &fromlen);
6869         if (len < 0) {
6870                 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
6871                            strerror(errno));
6872                 return;
6873         }
6874
6875         if (have_ifidx(drv, lladdr.sll_ifindex, IFIDX_ANY))
6876                 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
6877 }
6878
6879
6880 static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
6881                              struct i802_bss *bss,
6882                              const char *brname, const char *ifname)
6883 {
6884         int br_ifindex;
6885         char in_br[IFNAMSIZ];
6886
6887         os_strlcpy(bss->brname, brname, IFNAMSIZ);
6888         br_ifindex = if_nametoindex(brname);
6889         if (br_ifindex == 0) {
6890                 /*
6891                  * Bridge was configured, but the bridge device does
6892                  * not exist. Try to add it now.
6893                  */
6894                 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
6895                         wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
6896                                    "bridge interface %s: %s",
6897                                    brname, strerror(errno));
6898                         return -1;
6899                 }
6900                 bss->added_bridge = 1;
6901                 br_ifindex = if_nametoindex(brname);
6902                 add_ifidx(drv, br_ifindex, drv->ifindex);
6903         }
6904         bss->br_ifindex = br_ifindex;
6905
6906         if (linux_br_get(in_br, ifname) == 0) {
6907                 if (os_strcmp(in_br, brname) == 0) {
6908                         bss->already_in_bridge = 1;
6909                         return 0; /* already in the bridge */
6910                 }
6911
6912                 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
6913                            "bridge %s", ifname, in_br);
6914                 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
6915                     0) {
6916                         wpa_printf(MSG_ERROR, "nl80211: Failed to "
6917                                    "remove interface %s from bridge "
6918                                    "%s: %s",
6919                                    ifname, in_br, strerror(errno));
6920                         return -1;
6921                 }
6922         }
6923
6924         wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
6925                    ifname, brname);
6926         if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
6927                 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
6928                            "into bridge %s: %s",
6929                            ifname, brname, strerror(errno));
6930                 return -1;
6931         }
6932         bss->added_if_into_bridge = 1;
6933
6934         return 0;
6935 }
6936
6937
6938 static void *i802_init(struct hostapd_data *hapd,
6939                        struct wpa_init_params *params)
6940 {
6941         struct wpa_driver_nl80211_data *drv;
6942         struct i802_bss *bss;
6943         size_t i;
6944         char master_ifname[IFNAMSIZ];
6945         int ifindex, br_ifindex = 0;
6946         int br_added = 0;
6947
6948         bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
6949                                           params->global_priv, 1,
6950                                           params->bssid, params->driver_params);
6951         if (bss == NULL)
6952                 return NULL;
6953
6954         drv = bss->drv;
6955
6956         if (linux_br_get(master_ifname, params->ifname) == 0) {
6957                 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
6958                            params->ifname, master_ifname);
6959                 br_ifindex = if_nametoindex(master_ifname);
6960                 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
6961         } else if ((params->num_bridge == 0 || !params->bridge[0]) &&
6962                    linux_master_get(master_ifname, params->ifname) == 0) {
6963                 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s",
6964                         params->ifname, master_ifname);
6965                 /* start listening for EAPOL on the master interface */
6966                 add_ifidx(drv, if_nametoindex(master_ifname), drv->ifindex);
6967
6968                 /* check if master itself is under bridge */
6969                 if (linux_br_get(master_ifname, master_ifname) == 0) {
6970                         wpa_printf(MSG_DEBUG, "nl80211: which is in bridge %s",
6971                                    master_ifname);
6972                         br_ifindex = if_nametoindex(master_ifname);
6973                         os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
6974                 }
6975         } else {
6976                 master_ifname[0] = '\0';
6977         }
6978
6979         bss->br_ifindex = br_ifindex;
6980
6981         for (i = 0; i < params->num_bridge; i++) {
6982                 if (params->bridge[i]) {
6983                         ifindex = if_nametoindex(params->bridge[i]);
6984                         if (ifindex)
6985                                 add_ifidx(drv, ifindex, drv->ifindex);
6986                         if (ifindex == br_ifindex)
6987                                 br_added = 1;
6988                 }
6989         }
6990
6991         /* start listening for EAPOL on the default AP interface */
6992         add_ifidx(drv, drv->ifindex, IFIDX_ANY);
6993
6994         if (params->num_bridge && params->bridge[0]) {
6995                 if (i802_check_bridge(drv, bss, params->bridge[0],
6996                                       params->ifname) < 0)
6997                         goto failed;
6998                 if (os_strcmp(params->bridge[0], master_ifname) != 0)
6999                         br_added = 1;
7000         }
7001
7002         if (!br_added && br_ifindex &&
7003             (params->num_bridge == 0 || !params->bridge[0]))
7004                 add_ifidx(drv, br_ifindex, drv->ifindex);
7005
7006 #ifdef CONFIG_LIBNL3_ROUTE
7007         if (bss->added_if_into_bridge || bss->already_in_bridge) {
7008                 drv->rtnl_sk = nl_socket_alloc();
7009                 if (drv->rtnl_sk == NULL) {
7010                         wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
7011                         goto failed;
7012                 }
7013
7014                 if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) {
7015                         wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
7016                                    strerror(errno));
7017                         goto failed;
7018                 }
7019         }
7020 #endif /* CONFIG_LIBNL3_ROUTE */
7021
7022         drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
7023         if (drv->eapol_sock < 0) {
7024                 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
7025                            strerror(errno));
7026                 goto failed;
7027         }
7028
7029         if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
7030         {
7031                 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
7032                 goto failed;
7033         }
7034
7035         if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
7036                                params->own_addr))
7037                 goto failed;
7038         os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
7039
7040         memcpy(bss->addr, params->own_addr, ETH_ALEN);
7041
7042         return bss;
7043
7044 failed:
7045         wpa_driver_nl80211_deinit(bss);
7046         return NULL;
7047 }
7048
7049
7050 static void i802_deinit(void *priv)
7051 {
7052         struct i802_bss *bss = priv;
7053         wpa_driver_nl80211_deinit(bss);
7054 }
7055
7056
7057 static enum nl80211_iftype wpa_driver_nl80211_if_type(
7058         enum wpa_driver_if_type type)
7059 {
7060         switch (type) {
7061         case WPA_IF_STATION:
7062                 return NL80211_IFTYPE_STATION;
7063         case WPA_IF_P2P_CLIENT:
7064         case WPA_IF_P2P_GROUP:
7065                 return NL80211_IFTYPE_P2P_CLIENT;
7066         case WPA_IF_AP_VLAN:
7067                 return NL80211_IFTYPE_AP_VLAN;
7068         case WPA_IF_AP_BSS:
7069                 return NL80211_IFTYPE_AP;
7070         case WPA_IF_P2P_GO:
7071                 return NL80211_IFTYPE_P2P_GO;
7072         case WPA_IF_P2P_DEVICE:
7073                 return NL80211_IFTYPE_P2P_DEVICE;
7074         case WPA_IF_MESH:
7075                 return NL80211_IFTYPE_MESH_POINT;
7076         default:
7077                 return -1;
7078         }
7079 }
7080
7081
7082 static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
7083 {
7084         struct wpa_driver_nl80211_data *drv;
7085         dl_list_for_each(drv, &global->interfaces,
7086                          struct wpa_driver_nl80211_data, list) {
7087                 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
7088                         return 1;
7089         }
7090         return 0;
7091 }
7092
7093
7094 static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
7095 {
7096         unsigned int idx;
7097
7098         if (!drv->global)
7099                 return -1;
7100
7101         os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
7102         for (idx = 0; idx < 64; idx++) {
7103                 new_addr[0] = drv->first_bss->addr[0] | 0x02;
7104                 new_addr[0] ^= idx << 2;
7105                 if (!nl80211_addr_in_use(drv->global, new_addr))
7106                         break;
7107         }
7108         if (idx == 64)
7109                 return -1;
7110
7111         wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
7112                    MACSTR, MAC2STR(new_addr));
7113
7114         return 0;
7115 }
7116
7117
7118 struct wdev_info {
7119         u64 wdev_id;
7120         int wdev_id_set;
7121         u8 macaddr[ETH_ALEN];
7122 };
7123
7124 static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
7125 {
7126         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7127         struct nlattr *tb[NL80211_ATTR_MAX + 1];
7128         struct wdev_info *wi = arg;
7129
7130         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7131                   genlmsg_attrlen(gnlh, 0), NULL);
7132         if (tb[NL80211_ATTR_WDEV]) {
7133                 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
7134                 wi->wdev_id_set = 1;
7135         }
7136
7137         if (tb[NL80211_ATTR_MAC])
7138                 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
7139                           ETH_ALEN);
7140
7141         return NL_SKIP;
7142 }
7143
7144
7145 static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
7146                                      const char *ifname, const u8 *addr,
7147                                      void *bss_ctx, void **drv_priv,
7148                                      char *force_ifname, u8 *if_addr,
7149                                      const char *bridge, int use_existing,
7150                                      int setup_ap)
7151 {
7152         enum nl80211_iftype nlmode;
7153         struct i802_bss *bss = priv;
7154         struct wpa_driver_nl80211_data *drv = bss->drv;
7155         int ifidx;
7156         int added = 1;
7157
7158         if (addr)
7159                 os_memcpy(if_addr, addr, ETH_ALEN);
7160         nlmode = wpa_driver_nl80211_if_type(type);
7161         if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
7162                 struct wdev_info p2pdev_info;
7163
7164                 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
7165                 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
7166                                              0, nl80211_wdev_handler,
7167                                              &p2pdev_info, use_existing);
7168                 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
7169                         wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
7170                                    ifname);
7171                         return -1;
7172                 }
7173
7174                 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
7175                 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
7176                 if (!is_zero_ether_addr(p2pdev_info.macaddr))
7177                         os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
7178                 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
7179                            ifname,
7180                            (long long unsigned int) p2pdev_info.wdev_id);
7181         } else {
7182                 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
7183                                              0, NULL, NULL, use_existing);
7184                 if (use_existing && ifidx == -ENFILE) {
7185                         added = 0;
7186                         ifidx = if_nametoindex(ifname);
7187                 } else if (ifidx < 0) {
7188                         return -1;
7189                 }
7190         }
7191
7192         if (!addr) {
7193                 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
7194                         os_memcpy(if_addr, bss->addr, ETH_ALEN);
7195                 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
7196                                             ifname, if_addr) < 0) {
7197                         if (added)
7198                                 nl80211_remove_iface(drv, ifidx);
7199                         return -1;
7200                 }
7201         }
7202
7203         if (!addr &&
7204             (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
7205              type == WPA_IF_P2P_GO || type == WPA_IF_MESH ||
7206              type == WPA_IF_STATION)) {
7207                 /* Enforce unique address */
7208                 u8 new_addr[ETH_ALEN];
7209
7210                 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
7211                                        new_addr) < 0) {
7212                         if (added)
7213                                 nl80211_remove_iface(drv, ifidx);
7214                         return -1;
7215                 }
7216                 if (nl80211_addr_in_use(drv->global, new_addr)) {
7217                         wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
7218                                    "for interface %s type %d", ifname, type);
7219                         if (nl80211_vif_addr(drv, new_addr) < 0) {
7220                                 if (added)
7221                                         nl80211_remove_iface(drv, ifidx);
7222                                 return -1;
7223                         }
7224                         if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
7225                                                new_addr) < 0) {
7226                                 if (added)
7227                                         nl80211_remove_iface(drv, ifidx);
7228                                 return -1;
7229                         }
7230                 }
7231                 os_memcpy(if_addr, new_addr, ETH_ALEN);
7232         }
7233
7234         if (type == WPA_IF_AP_BSS && setup_ap) {
7235                 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
7236                 if (new_bss == NULL) {
7237                         if (added)
7238                                 nl80211_remove_iface(drv, ifidx);
7239                         return -1;
7240                 }
7241
7242                 if (bridge &&
7243                     i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
7244                         wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
7245                                    "interface %s to a bridge %s",
7246                                    ifname, bridge);
7247                         if (added)
7248                                 nl80211_remove_iface(drv, ifidx);
7249                         os_free(new_bss);
7250                         return -1;
7251                 }
7252
7253                 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
7254                 {
7255                         if (added)
7256                                 nl80211_remove_iface(drv, ifidx);
7257                         os_free(new_bss);
7258                         return -1;
7259                 }
7260                 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
7261                 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
7262                 new_bss->ifindex = ifidx;
7263                 new_bss->drv = drv;
7264                 new_bss->next = drv->first_bss->next;
7265                 new_bss->freq = drv->first_bss->freq;
7266                 new_bss->ctx = bss_ctx;
7267                 new_bss->added_if = added;
7268                 drv->first_bss->next = new_bss;
7269                 if (drv_priv)
7270                         *drv_priv = new_bss;
7271                 nl80211_init_bss(new_bss);
7272
7273                 /* Subscribe management frames for this WPA_IF_AP_BSS */
7274                 if (nl80211_setup_ap(new_bss))
7275                         return -1;
7276         }
7277
7278         if (drv->global)
7279                 drv->global->if_add_ifindex = ifidx;
7280
7281         /*
7282          * Some virtual interfaces need to process EAPOL packets and events on
7283          * the parent interface. This is used mainly with hostapd.
7284          */
7285         if (ifidx > 0 &&
7286             (drv->hostapd ||
7287              nlmode == NL80211_IFTYPE_AP_VLAN ||
7288              nlmode == NL80211_IFTYPE_WDS ||
7289              nlmode == NL80211_IFTYPE_MONITOR))
7290                 add_ifidx(drv, ifidx, IFIDX_ANY);
7291
7292         return 0;
7293 }
7294
7295
7296 static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
7297                                         enum wpa_driver_if_type type,
7298                                         const char *ifname)
7299 {
7300         struct wpa_driver_nl80211_data *drv = bss->drv;
7301         int ifindex = if_nametoindex(ifname);
7302
7303         wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
7304                    __func__, type, ifname, ifindex, bss->added_if);
7305         if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
7306                 nl80211_remove_iface(drv, ifindex);
7307         else if (ifindex > 0 && !bss->added_if) {
7308                 struct wpa_driver_nl80211_data *drv2;
7309                 dl_list_for_each(drv2, &drv->global->interfaces,
7310                                  struct wpa_driver_nl80211_data, list) {
7311                         del_ifidx(drv2, ifindex, IFIDX_ANY);
7312                         del_ifidx(drv2, IFIDX_ANY, ifindex);
7313                 }
7314         }
7315
7316         if (type != WPA_IF_AP_BSS)
7317                 return 0;
7318
7319         if (bss->added_if_into_bridge) {
7320                 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
7321                                     bss->ifname) < 0)
7322                         wpa_printf(MSG_INFO, "nl80211: Failed to remove "
7323                                    "interface %s from bridge %s: %s",
7324                                    bss->ifname, bss->brname, strerror(errno));
7325         }
7326         if (bss->added_bridge) {
7327                 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
7328                         wpa_printf(MSG_INFO, "nl80211: Failed to remove "
7329                                    "bridge %s: %s",
7330                                    bss->brname, strerror(errno));
7331         }
7332
7333         if (bss != drv->first_bss) {
7334                 struct i802_bss *tbss;
7335
7336                 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
7337                 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
7338                         if (tbss->next == bss) {
7339                                 tbss->next = bss->next;
7340                                 /* Unsubscribe management frames */
7341                                 nl80211_teardown_ap(bss);
7342                                 nl80211_destroy_bss(bss);
7343                                 if (!bss->added_if)
7344                                         i802_set_iface_flags(bss, 0);
7345                                 os_free(bss);
7346                                 bss = NULL;
7347                                 break;
7348                         }
7349                 }
7350                 if (bss)
7351                         wpa_printf(MSG_INFO, "nl80211: %s - could not find "
7352                                    "BSS %p in the list", __func__, bss);
7353         } else {
7354                 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
7355                 nl80211_teardown_ap(bss);
7356                 if (!bss->added_if && !drv->first_bss->next)
7357                         wpa_driver_nl80211_del_beacon(bss);
7358                 nl80211_destroy_bss(bss);
7359                 if (!bss->added_if)
7360                         i802_set_iface_flags(bss, 0);
7361                 if (drv->first_bss->next) {
7362                         drv->first_bss = drv->first_bss->next;
7363                         drv->ctx = drv->first_bss->ctx;
7364                         os_free(bss);
7365                 } else {
7366                         wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
7367                 }
7368         }
7369
7370         return 0;
7371 }
7372
7373
7374 static int cookie_handler(struct nl_msg *msg, void *arg)
7375 {
7376         struct nlattr *tb[NL80211_ATTR_MAX + 1];
7377         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7378         u64 *cookie = arg;
7379         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7380                   genlmsg_attrlen(gnlh, 0), NULL);
7381         if (tb[NL80211_ATTR_COOKIE])
7382                 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
7383         return NL_SKIP;
7384 }
7385
7386
7387 static int nl80211_send_frame_cmd(struct i802_bss *bss,
7388                                   unsigned int freq, unsigned int wait,
7389                                   const u8 *buf, size_t buf_len,
7390                                   u64 *cookie_out, int no_cck, int no_ack,
7391                                   int offchanok, const u16 *csa_offs,
7392                                   size_t csa_offs_len)
7393 {
7394         struct wpa_driver_nl80211_data *drv = bss->drv;
7395         struct nl_msg *msg;
7396         u64 cookie;
7397         int ret = -1;
7398
7399         wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
7400                    "no_ack=%d offchanok=%d",
7401                    freq, wait, no_cck, no_ack, offchanok);
7402         wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
7403
7404         if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
7405             (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
7406             (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
7407             (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
7408                            drv->test_use_roc_tx) &&
7409              nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
7410             (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
7411             (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
7412             (csa_offs && nla_put(msg, NL80211_ATTR_CSA_C_OFFSETS_TX,
7413                                  csa_offs_len * sizeof(u16), csa_offs)) ||
7414             nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
7415                 goto fail;
7416
7417         cookie = 0;
7418         ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
7419         msg = NULL;
7420         if (ret) {
7421                 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
7422                            "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
7423                            freq, wait);
7424         } else {
7425                 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
7426                            "cookie 0x%llx", no_ack ? " (no ACK)" : "",
7427                            (long long unsigned int) cookie);
7428
7429                 if (cookie_out)
7430                         *cookie_out = no_ack ? (u64) -1 : cookie;
7431
7432                 if (drv->num_send_action_cookies == MAX_SEND_ACTION_COOKIES) {
7433                         wpa_printf(MSG_DEBUG,
7434                                    "nl80211: Drop oldest pending send action cookie 0x%llx",
7435                                    (long long unsigned int)
7436                                    drv->send_action_cookies[0]);
7437                         os_memmove(&drv->send_action_cookies[0],
7438                                    &drv->send_action_cookies[1],
7439                                    (MAX_SEND_ACTION_COOKIES - 1) *
7440                                    sizeof(u64));
7441                         drv->num_send_action_cookies--;
7442                 }
7443                 drv->send_action_cookies[drv->num_send_action_cookies] = cookie;
7444                 drv->num_send_action_cookies++;
7445         }
7446
7447 fail:
7448         nlmsg_free(msg);
7449         return ret;
7450 }
7451
7452
7453 static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
7454                                           unsigned int freq,
7455                                           unsigned int wait_time,
7456                                           const u8 *dst, const u8 *src,
7457                                           const u8 *bssid,
7458                                           const u8 *data, size_t data_len,
7459                                           int no_cck)
7460 {
7461         struct wpa_driver_nl80211_data *drv = bss->drv;
7462         int ret = -1;
7463         u8 *buf;
7464         struct ieee80211_hdr *hdr;
7465
7466         wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
7467                    "freq=%u MHz wait=%d ms no_cck=%d)",
7468                    drv->ifindex, freq, wait_time, no_cck);
7469
7470         buf = os_zalloc(24 + data_len);
7471         if (buf == NULL)
7472                 return ret;
7473         os_memcpy(buf + 24, data, data_len);
7474         hdr = (struct ieee80211_hdr *) buf;
7475         hdr->frame_control =
7476                 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
7477         os_memcpy(hdr->addr1, dst, ETH_ALEN);
7478         os_memcpy(hdr->addr2, src, ETH_ALEN);
7479         os_memcpy(hdr->addr3, bssid, ETH_ALEN);
7480
7481         if (os_memcmp(bss->addr, src, ETH_ALEN) != 0) {
7482                 wpa_printf(MSG_DEBUG, "nl80211: Use random TA " MACSTR,
7483                            MAC2STR(src));
7484                 os_memcpy(bss->rand_addr, src, ETH_ALEN);
7485         } else {
7486                 os_memset(bss->rand_addr, 0, ETH_ALEN);
7487         }
7488
7489         if (is_ap_interface(drv->nlmode) &&
7490             (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
7491              (int) freq == bss->freq || drv->device_ap_sme ||
7492              !drv->use_monitor))
7493                 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
7494                                                    0, freq, no_cck, 1,
7495                                                    wait_time, NULL, 0);
7496         else
7497                 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
7498                                              24 + data_len,
7499                                              &drv->send_action_cookie,
7500                                              no_cck, 0, 1, NULL, 0);
7501
7502         os_free(buf);
7503         return ret;
7504 }
7505
7506
7507 static void nl80211_frame_wait_cancel(struct i802_bss *bss, u64 cookie)
7508 {
7509         struct wpa_driver_nl80211_data *drv = bss->drv;
7510         struct nl_msg *msg;
7511         int ret;
7512
7513         wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
7514                    (long long unsigned int) cookie);
7515         if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
7516             nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) {
7517                 nlmsg_free(msg);
7518                 return;
7519         }
7520
7521         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7522         if (ret)
7523                 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
7524                            "(%s)", ret, strerror(-ret));
7525 }
7526
7527
7528 static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
7529 {
7530         struct i802_bss *bss = priv;
7531         struct wpa_driver_nl80211_data *drv = bss->drv;
7532         unsigned int i;
7533         u64 cookie;
7534
7535         /* Cancel the last pending TX cookie */
7536         nl80211_frame_wait_cancel(bss, drv->send_action_cookie);
7537
7538         /*
7539          * Cancel the other pending TX cookies, if any. This is needed since
7540          * the driver may keep a list of all pending offchannel TX operations
7541          * and free up the radio only once they have expired or cancelled.
7542          */
7543         for (i = drv->num_send_action_cookies; i > 0; i--) {
7544                 cookie = drv->send_action_cookies[i - 1];
7545                 if (cookie != drv->send_action_cookie)
7546                         nl80211_frame_wait_cancel(bss, cookie);
7547         }
7548         drv->num_send_action_cookies = 0;
7549 }
7550
7551
7552 static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
7553                                                 unsigned int duration)
7554 {
7555         struct i802_bss *bss = priv;
7556         struct wpa_driver_nl80211_data *drv = bss->drv;
7557         struct nl_msg *msg;
7558         int ret;
7559         u64 cookie;
7560
7561         if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
7562             nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
7563             nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
7564                 nlmsg_free(msg);
7565                 return -1;
7566         }
7567
7568         cookie = 0;
7569         ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
7570         if (ret == 0) {
7571                 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
7572                            "0x%llx for freq=%u MHz duration=%u",
7573                            (long long unsigned int) cookie, freq, duration);
7574                 drv->remain_on_chan_cookie = cookie;
7575                 drv->pending_remain_on_chan = 1;
7576                 return 0;
7577         }
7578         wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
7579                    "(freq=%d duration=%u): %d (%s)",
7580                    freq, duration, ret, strerror(-ret));
7581         return -1;
7582 }
7583
7584
7585 static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
7586 {
7587         struct i802_bss *bss = priv;
7588         struct wpa_driver_nl80211_data *drv = bss->drv;
7589         struct nl_msg *msg;
7590         int ret;
7591
7592         if (!drv->pending_remain_on_chan) {
7593                 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
7594                            "to cancel");
7595                 return -1;
7596         }
7597
7598         wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
7599                    "0x%llx",
7600                    (long long unsigned int) drv->remain_on_chan_cookie);
7601
7602         msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
7603         if (!msg ||
7604             nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
7605                 nlmsg_free(msg);
7606                 return -1;
7607         }
7608
7609         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7610         if (ret == 0)
7611                 return 0;
7612         wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
7613                    "%d (%s)", ret, strerror(-ret));
7614         return -1;
7615 }
7616
7617
7618 static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
7619 {
7620         struct wpa_driver_nl80211_data *drv = bss->drv;
7621
7622         if (!report) {
7623                 if (bss->nl_preq && drv->device_ap_sme &&
7624                     is_ap_interface(drv->nlmode) && !bss->in_deinit &&
7625                     !bss->static_ap) {
7626                         /*
7627                          * Do not disable Probe Request reporting that was
7628                          * enabled in nl80211_setup_ap().
7629                          */
7630                         wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
7631                                    "Probe Request reporting nl_preq=%p while "
7632                                    "in AP mode", bss->nl_preq);
7633                 } else if (bss->nl_preq) {
7634                         wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
7635                                    "reporting nl_preq=%p", bss->nl_preq);
7636                         nl80211_destroy_eloop_handle(&bss->nl_preq, 0);
7637                 }
7638                 return 0;
7639         }
7640
7641         if (bss->nl_preq) {
7642                 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
7643                            "already on! nl_preq=%p", bss->nl_preq);
7644                 return 0;
7645         }
7646
7647         bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
7648         if (bss->nl_preq == NULL)
7649                 return -1;
7650         wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
7651                    "reporting nl_preq=%p", bss->nl_preq);
7652
7653         if (nl80211_register_frame(bss, bss->nl_preq,
7654                                    (WLAN_FC_TYPE_MGMT << 2) |
7655                                    (WLAN_FC_STYPE_PROBE_REQ << 4),
7656                                    NULL, 0) < 0)
7657                 goto out_err;
7658
7659         nl80211_register_eloop_read(&bss->nl_preq,
7660                                     wpa_driver_nl80211_event_receive,
7661                                     bss->nl_cb, 0);
7662
7663         return 0;
7664
7665  out_err:
7666         nl_destroy_handles(&bss->nl_preq);
7667         return -1;
7668 }
7669
7670
7671 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
7672                                      int ifindex, int disabled)
7673 {
7674         struct nl_msg *msg;
7675         struct nlattr *bands, *band;
7676         int ret;
7677
7678         wpa_printf(MSG_DEBUG,
7679                    "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
7680                    ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
7681                    "no NL80211_TXRATE_LEGACY constraint");
7682
7683         msg = nl80211_ifindex_msg(drv, ifindex, 0,
7684                                   NL80211_CMD_SET_TX_BITRATE_MASK);
7685         if (!msg)
7686                 return -1;
7687
7688         bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
7689         if (!bands)
7690                 goto fail;
7691
7692         /*
7693          * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
7694          * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
7695          * rates. All 5 GHz rates are left enabled.
7696          */
7697         band = nla_nest_start(msg, NL80211_BAND_2GHZ);
7698         if (!band ||
7699             (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
7700                                  "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
7701                 goto fail;
7702         nla_nest_end(msg, band);
7703
7704         nla_nest_end(msg, bands);
7705
7706         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7707         if (ret) {
7708                 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
7709                            "(%s)", ret, strerror(-ret));
7710         } else
7711                 drv->disabled_11b_rates = disabled;
7712
7713         return ret;
7714
7715 fail:
7716         nlmsg_free(msg);
7717         return -1;
7718 }
7719
7720
7721 static int wpa_driver_nl80211_deinit_ap(void *priv)
7722 {
7723         struct i802_bss *bss = priv;
7724         struct wpa_driver_nl80211_data *drv = bss->drv;
7725         if (!is_ap_interface(drv->nlmode))
7726                 return -1;
7727         wpa_driver_nl80211_del_beacon(bss);
7728         bss->beacon_set = 0;
7729
7730         /*
7731          * If the P2P GO interface was dynamically added, then it is
7732          * possible that the interface change to station is not possible.
7733          */
7734         if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
7735                 return 0;
7736
7737         return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
7738 }
7739
7740
7741 static int wpa_driver_nl80211_stop_ap(void *priv)
7742 {
7743         struct i802_bss *bss = priv;
7744         struct wpa_driver_nl80211_data *drv = bss->drv;
7745         if (!is_ap_interface(drv->nlmode))
7746                 return -1;
7747         wpa_driver_nl80211_del_beacon(bss);
7748         bss->beacon_set = 0;
7749         return 0;
7750 }
7751
7752
7753 static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
7754 {
7755         struct i802_bss *bss = priv;
7756         struct wpa_driver_nl80211_data *drv = bss->drv;
7757         if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
7758                 return -1;
7759
7760         /*
7761          * If the P2P Client interface was dynamically added, then it is
7762          * possible that the interface change to station is not possible.
7763          */
7764         if (bss->if_dynamic)
7765                 return 0;
7766
7767         return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
7768 }
7769
7770
7771 static void wpa_driver_nl80211_resume(void *priv)
7772 {
7773         struct i802_bss *bss = priv;
7774         enum nl80211_iftype nlmode = nl80211_get_ifmode(bss);
7775
7776         if (i802_set_iface_flags(bss, 1))
7777                 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
7778
7779         if (is_p2p_net_interface(nlmode))
7780                 nl80211_disable_11b_rates(bss->drv, bss->drv->ifindex, 1);
7781 }
7782
7783
7784 static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
7785 {
7786         struct i802_bss *bss = priv;
7787         struct wpa_driver_nl80211_data *drv = bss->drv;
7788         struct nl_msg *msg;
7789         struct nlattr *cqm;
7790
7791         wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
7792                    "hysteresis=%d", threshold, hysteresis);
7793
7794         if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
7795             !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
7796             nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
7797             nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
7798                 nlmsg_free(msg);
7799                 return -1;
7800         }
7801         nla_nest_end(msg, cqm);
7802
7803         return send_and_recv_msgs(drv, msg, NULL, NULL);
7804 }
7805
7806
7807 static int get_channel_width(struct nl_msg *msg, void *arg)
7808 {
7809         struct nlattr *tb[NL80211_ATTR_MAX + 1];
7810         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7811         struct wpa_signal_info *sig_change = arg;
7812
7813         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7814                   genlmsg_attrlen(gnlh, 0), NULL);
7815
7816         sig_change->center_frq1 = -1;
7817         sig_change->center_frq2 = -1;
7818         sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
7819
7820         if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
7821                 sig_change->chanwidth = convert2width(
7822                         nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
7823                 if (tb[NL80211_ATTR_CENTER_FREQ1])
7824                         sig_change->center_frq1 =
7825                                 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
7826                 if (tb[NL80211_ATTR_CENTER_FREQ2])
7827                         sig_change->center_frq2 =
7828                                 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
7829         }
7830
7831         return NL_SKIP;
7832 }
7833
7834
7835 static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
7836                                      struct wpa_signal_info *sig)
7837 {
7838         struct nl_msg *msg;
7839
7840         msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
7841         return send_and_recv_msgs(drv, msg, get_channel_width, sig);
7842 }
7843
7844
7845 static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
7846 {
7847         struct i802_bss *bss = priv;
7848         struct wpa_driver_nl80211_data *drv = bss->drv;
7849         int res;
7850
7851         os_memset(si, 0, sizeof(*si));
7852         res = nl80211_get_link_signal(drv, si);
7853         if (res) {
7854                 if (drv->nlmode != NL80211_IFTYPE_ADHOC &&
7855                     drv->nlmode != NL80211_IFTYPE_MESH_POINT)
7856                         return res;
7857                 si->current_signal = 0;
7858         }
7859
7860         res = nl80211_get_channel_width(drv, si);
7861         if (res != 0)
7862                 return res;
7863
7864         return nl80211_get_link_noise(drv, si);
7865 }
7866
7867
7868 static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
7869                               int encrypt)
7870 {
7871         struct i802_bss *bss = priv;
7872         return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
7873                                              0, 0, 0, 0, NULL, 0);
7874 }
7875
7876
7877 static int nl80211_set_param(void *priv, const char *param)
7878 {
7879         struct i802_bss *bss = priv;
7880         struct wpa_driver_nl80211_data *drv = bss->drv;
7881
7882         if (param == NULL)
7883                 return 0;
7884         wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
7885
7886 #ifdef CONFIG_P2P
7887         if (os_strstr(param, "use_p2p_group_interface=1")) {
7888                 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
7889                            "interface");
7890                 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
7891                 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
7892         }
7893 #endif /* CONFIG_P2P */
7894
7895         if (os_strstr(param, "use_monitor=1"))
7896                 drv->use_monitor = 1;
7897
7898         if (os_strstr(param, "force_connect_cmd=1")) {
7899                 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
7900                 drv->force_connect_cmd = 1;
7901         }
7902
7903         if (os_strstr(param, "force_bss_selection=1"))
7904                 drv->capa.flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
7905
7906         if (os_strstr(param, "no_offchannel_tx=1")) {
7907                 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
7908                 drv->test_use_roc_tx = 1;
7909         }
7910
7911         return 0;
7912 }
7913
7914
7915 static void * nl80211_global_init(void *ctx)
7916 {
7917         struct nl80211_global *global;
7918         struct netlink_config *cfg;
7919
7920         global = os_zalloc(sizeof(*global));
7921         if (global == NULL)
7922                 return NULL;
7923         global->ctx = ctx;
7924         global->ioctl_sock = -1;
7925         dl_list_init(&global->interfaces);
7926         global->if_add_ifindex = -1;
7927
7928         cfg = os_zalloc(sizeof(*cfg));
7929         if (cfg == NULL)
7930                 goto err;
7931
7932         cfg->ctx = global;
7933         cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
7934         cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
7935         global->netlink = netlink_init(cfg);
7936         if (global->netlink == NULL) {
7937                 os_free(cfg);
7938                 goto err;
7939         }
7940
7941         if (wpa_driver_nl80211_init_nl_global(global) < 0)
7942                 goto err;
7943
7944         global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
7945         if (global->ioctl_sock < 0) {
7946                 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
7947                            strerror(errno));
7948                 goto err;
7949         }
7950
7951         return global;
7952
7953 err:
7954         nl80211_global_deinit(global);
7955         return NULL;
7956 }
7957
7958
7959 static void nl80211_global_deinit(void *priv)
7960 {
7961         struct nl80211_global *global = priv;
7962         if (global == NULL)
7963                 return;
7964         if (!dl_list_empty(&global->interfaces)) {
7965                 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
7966                            "nl80211_global_deinit",
7967                            dl_list_len(&global->interfaces));
7968         }
7969
7970         if (global->netlink)
7971                 netlink_deinit(global->netlink);
7972
7973         nl_destroy_handles(&global->nl);
7974
7975         if (global->nl_event)
7976                 nl80211_destroy_eloop_handle(&global->nl_event, 0);
7977
7978         nl_cb_put(global->nl_cb);
7979
7980         if (global->ioctl_sock >= 0)
7981                 close(global->ioctl_sock);
7982
7983         os_free(global);
7984 }
7985
7986
7987 static const char * nl80211_get_radio_name(void *priv)
7988 {
7989         struct i802_bss *bss = priv;
7990         struct wpa_driver_nl80211_data *drv = bss->drv;
7991         return drv->phyname;
7992 }
7993
7994
7995 static int nl80211_pmkid(struct i802_bss *bss, int cmd,
7996                          struct wpa_pmkid_params *params)
7997 {
7998         struct nl_msg *msg;
7999         const size_t PMK_MAX_LEN = 48; /* current cfg80211 limit */
8000
8001         if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
8002             (params->pmkid &&
8003              nla_put(msg, NL80211_ATTR_PMKID, 16, params->pmkid)) ||
8004             (params->bssid &&
8005              nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) ||
8006             (params->ssid_len &&
8007              nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
8008             (params->fils_cache_id &&
8009              nla_put(msg, NL80211_ATTR_FILS_CACHE_ID, 2,
8010                      params->fils_cache_id)) ||
8011             (cmd != NL80211_CMD_DEL_PMKSA &&
8012              params->pmk_len && params->pmk_len <= PMK_MAX_LEN &&
8013              nla_put(msg, NL80211_ATTR_PMK, params->pmk_len, params->pmk))) {
8014                 nl80211_nlmsg_clear(msg);
8015                 nlmsg_free(msg);
8016                 return -ENOBUFS;
8017         }
8018
8019         return send_and_recv_msgs(bss->drv, msg, NULL, (void *) -1);
8020 }
8021
8022
8023 static int nl80211_add_pmkid(void *priv, struct wpa_pmkid_params *params)
8024 {
8025         struct i802_bss *bss = priv;
8026         int ret;
8027
8028         if (params->bssid)
8029                 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR,
8030                            MAC2STR(params->bssid));
8031         else if (params->fils_cache_id && params->ssid_len) {
8032                 wpa_printf(MSG_DEBUG,
8033                            "nl80211: Add PMKSA for cache id %02x%02x SSID %s",
8034                            params->fils_cache_id[0], params->fils_cache_id[1],
8035                            wpa_ssid_txt(params->ssid, params->ssid_len));
8036         }
8037
8038         ret = nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, params);
8039         if (ret < 0) {
8040                 wpa_printf(MSG_DEBUG,
8041                            "nl80211: NL80211_CMD_SET_PMKSA failed: %d (%s)",
8042                            ret, strerror(-ret));
8043         }
8044
8045         return ret;
8046 }
8047
8048
8049 static int nl80211_remove_pmkid(void *priv, struct wpa_pmkid_params *params)
8050 {
8051         struct i802_bss *bss = priv;
8052         int ret;
8053
8054         if (params->bssid)
8055                 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
8056                            MAC2STR(params->bssid));
8057         else if (params->fils_cache_id && params->ssid_len) {
8058                 wpa_printf(MSG_DEBUG,
8059                            "nl80211: Delete PMKSA for cache id %02x%02x SSID %s",
8060                            params->fils_cache_id[0], params->fils_cache_id[1],
8061                            wpa_ssid_txt(params->ssid, params->ssid_len));
8062         }
8063
8064         ret = nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, params);
8065         if (ret < 0) {
8066                 wpa_printf(MSG_DEBUG,
8067                            "nl80211: NL80211_CMD_DEL_PMKSA failed: %d (%s)",
8068                            ret, strerror(-ret));
8069         }
8070
8071         return ret;
8072 }
8073
8074
8075 static int nl80211_flush_pmkid(void *priv)
8076 {
8077         struct i802_bss *bss = priv;
8078         struct nl_msg *msg;
8079
8080         wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
8081         msg = nl80211_bss_msg(bss, 0, NL80211_CMD_FLUSH_PMKSA);
8082         if (!msg)
8083                 return -ENOBUFS;
8084         return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
8085 }
8086
8087
8088 static void clean_survey_results(struct survey_results *survey_results)
8089 {
8090         struct freq_survey *survey, *tmp;
8091
8092         if (dl_list_empty(&survey_results->survey_list))
8093                 return;
8094
8095         dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
8096                               struct freq_survey, list) {
8097                 dl_list_del(&survey->list);
8098                 os_free(survey);
8099         }
8100 }
8101
8102
8103 static void add_survey(struct nlattr **sinfo, u32 ifidx,
8104                        struct dl_list *survey_list)
8105 {
8106         struct freq_survey *survey;
8107
8108         survey = os_zalloc(sizeof(struct freq_survey));
8109         if  (!survey)
8110                 return;
8111
8112         survey->ifidx = ifidx;
8113         survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
8114         survey->filled = 0;
8115
8116         if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
8117                 survey->nf = (int8_t)
8118                         nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
8119                 survey->filled |= SURVEY_HAS_NF;
8120         }
8121
8122         if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
8123                 survey->channel_time =
8124                         nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
8125                 survey->filled |= SURVEY_HAS_CHAN_TIME;
8126         }
8127
8128         if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
8129                 survey->channel_time_busy =
8130                         nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
8131                 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
8132         }
8133
8134         if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
8135                 survey->channel_time_rx =
8136                         nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
8137                 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
8138         }
8139
8140         if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
8141                 survey->channel_time_tx =
8142                         nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
8143                 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
8144         }
8145
8146         wpa_printf(MSG_DEBUG, "nl80211: Freq survey dump event (freq=%d MHz noise=%d channel_time=%ld busy_time=%ld tx_time=%ld rx_time=%ld filled=%04x)",
8147                    survey->freq,
8148                    survey->nf,
8149                    (unsigned long int) survey->channel_time,
8150                    (unsigned long int) survey->channel_time_busy,
8151                    (unsigned long int) survey->channel_time_tx,
8152                    (unsigned long int) survey->channel_time_rx,
8153                    survey->filled);
8154
8155         dl_list_add_tail(survey_list, &survey->list);
8156 }
8157
8158
8159 static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
8160                            unsigned int freq_filter)
8161 {
8162         if (!freq_filter)
8163                 return 1;
8164
8165         return freq_filter == surveyed_freq;
8166 }
8167
8168
8169 static int survey_handler(struct nl_msg *msg, void *arg)
8170 {
8171         struct nlattr *tb[NL80211_ATTR_MAX + 1];
8172         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8173         struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
8174         struct survey_results *survey_results;
8175         u32 surveyed_freq = 0;
8176         u32 ifidx;
8177
8178         static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
8179                 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
8180                 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
8181         };
8182
8183         survey_results = (struct survey_results *) arg;
8184
8185         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8186                   genlmsg_attrlen(gnlh, 0), NULL);
8187
8188         if (!tb[NL80211_ATTR_IFINDEX])
8189                 return NL_SKIP;
8190
8191         ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
8192
8193         if (!tb[NL80211_ATTR_SURVEY_INFO])
8194                 return NL_SKIP;
8195
8196         if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
8197                              tb[NL80211_ATTR_SURVEY_INFO],
8198                              survey_policy))
8199                 return NL_SKIP;
8200
8201         if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
8202                 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
8203                 return NL_SKIP;
8204         }
8205
8206         surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
8207
8208         if (!check_survey_ok(sinfo, surveyed_freq,
8209                              survey_results->freq_filter))
8210                 return NL_SKIP;
8211
8212         if (survey_results->freq_filter &&
8213             survey_results->freq_filter != surveyed_freq) {
8214                 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
8215                            surveyed_freq);
8216                 return NL_SKIP;
8217         }
8218
8219         add_survey(sinfo, ifidx, &survey_results->survey_list);
8220
8221         return NL_SKIP;
8222 }
8223
8224
8225 static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
8226 {
8227         struct i802_bss *bss = priv;
8228         struct wpa_driver_nl80211_data *drv = bss->drv;
8229         struct nl_msg *msg;
8230         int err;
8231         union wpa_event_data data;
8232         struct survey_results *survey_results;
8233
8234         os_memset(&data, 0, sizeof(data));
8235         survey_results = &data.survey_results;
8236
8237         dl_list_init(&survey_results->survey_list);
8238
8239         msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
8240         if (!msg)
8241                 return -ENOBUFS;
8242
8243         if (freq)
8244                 data.survey_results.freq_filter = freq;
8245
8246         do {
8247                 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
8248                 err = send_and_recv_msgs(drv, msg, survey_handler,
8249                                          survey_results);
8250         } while (err > 0);
8251
8252         if (err)
8253                 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
8254         else
8255                 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
8256
8257         clean_survey_results(survey_results);
8258         return err;
8259 }
8260
8261
8262 static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
8263                                    const u8 *kck, size_t kck_len,
8264                                    const u8 *replay_ctr)
8265 {
8266         struct i802_bss *bss = priv;
8267         struct wpa_driver_nl80211_data *drv = bss->drv;
8268         struct nlattr *replay_nested;
8269         struct nl_msg *msg;
8270         int ret;
8271
8272         if (!drv->set_rekey_offload)
8273                 return;
8274
8275         wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
8276         if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
8277             !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
8278             nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) ||
8279             (kck_len && nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck)) ||
8280             nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
8281                     replay_ctr)) {
8282                 nl80211_nlmsg_clear(msg);
8283                 nlmsg_free(msg);
8284                 return;
8285         }
8286
8287         nla_nest_end(msg, replay_nested);
8288
8289         ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
8290         if (ret == -EOPNOTSUPP) {
8291                 wpa_printf(MSG_DEBUG,
8292                            "nl80211: Driver does not support rekey offload");
8293                 drv->set_rekey_offload = 0;
8294         }
8295 }
8296
8297
8298 static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
8299                                     const u8 *addr, int qos)
8300 {
8301         /* send data frame to poll STA and check whether
8302          * this frame is ACKed */
8303         struct {
8304                 struct ieee80211_hdr hdr;
8305                 u16 qos_ctl;
8306         } STRUCT_PACKED nulldata;
8307         size_t size;
8308
8309         /* Send data frame to poll STA and check whether this frame is ACKed */
8310
8311         os_memset(&nulldata, 0, sizeof(nulldata));
8312
8313         if (qos) {
8314                 nulldata.hdr.frame_control =
8315                         IEEE80211_FC(WLAN_FC_TYPE_DATA,
8316                                      WLAN_FC_STYPE_QOS_NULL);
8317                 size = sizeof(nulldata);
8318         } else {
8319                 nulldata.hdr.frame_control =
8320                         IEEE80211_FC(WLAN_FC_TYPE_DATA,
8321                                      WLAN_FC_STYPE_NULLFUNC);
8322                 size = sizeof(struct ieee80211_hdr);
8323         }
8324
8325         nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
8326         os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
8327         os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
8328         os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
8329
8330         if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
8331                                          0, 0, NULL, 0) < 0)
8332                 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
8333                            "send poll frame");
8334 }
8335
8336 static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
8337                                 int qos)
8338 {
8339         struct i802_bss *bss = priv;
8340         struct wpa_driver_nl80211_data *drv = bss->drv;
8341         struct nl_msg *msg;
8342         u64 cookie;
8343         int ret;
8344
8345         if (!drv->poll_command_supported) {
8346                 nl80211_send_null_frame(bss, own_addr, addr, qos);
8347                 return;
8348         }
8349
8350         if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
8351             nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8352                 nlmsg_free(msg);
8353                 return;
8354         }
8355
8356         ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
8357         if (ret < 0) {
8358                 wpa_printf(MSG_DEBUG, "nl80211: Client probe request for "
8359                            MACSTR " failed: ret=%d (%s)",
8360                            MAC2STR(addr), ret, strerror(-ret));
8361         } else {
8362                 wpa_printf(MSG_DEBUG,
8363                            "nl80211: Client probe request addr=" MACSTR
8364                            " cookie=%llu", MAC2STR(addr),
8365                            (long long unsigned int) cookie);
8366         }
8367 }
8368
8369
8370 static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
8371 {
8372         struct nl_msg *msg;
8373         int ret;
8374
8375         if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
8376             nla_put_u32(msg, NL80211_ATTR_PS_STATE,
8377                         enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
8378                 nlmsg_free(msg);
8379                 return -ENOBUFS;
8380         }
8381
8382         ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
8383         if (ret < 0) {
8384                 wpa_printf(MSG_DEBUG,
8385                            "nl80211: Setting PS state %s failed: %d (%s)",
8386                            enabled ? "enabled" : "disabled",
8387                            ret, strerror(-ret));
8388         }
8389         return ret;
8390 }
8391
8392
8393 static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
8394                                      int ctwindow)
8395 {
8396         struct i802_bss *bss = priv;
8397
8398         wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
8399                    "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
8400
8401         if (opp_ps != -1 || ctwindow != -1) {
8402 #ifdef ANDROID_P2P
8403                 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
8404 #else /* ANDROID_P2P */
8405                 return -1; /* Not yet supported */
8406 #endif /* ANDROID_P2P */
8407         }
8408
8409         if (legacy_ps == -1)
8410                 return 0;
8411         if (legacy_ps != 0 && legacy_ps != 1)
8412                 return -1; /* Not yet supported */
8413
8414         return nl80211_set_power_save(bss, legacy_ps);
8415 }
8416
8417
8418 static int nl80211_start_radar_detection(void *priv,
8419                                          struct hostapd_freq_params *freq)
8420 {
8421         struct i802_bss *bss = priv;
8422         struct wpa_driver_nl80211_data *drv = bss->drv;
8423         struct nl_msg *msg;
8424         int ret;
8425
8426         wpa_printf(MSG_DEBUG, "nl80211: Start radar detection (CAC) %d MHz (ht_enabled=%d, vht_enabled=%d, he_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
8427                    freq->freq, freq->ht_enabled, freq->vht_enabled, freq->he_enabled,
8428                    freq->bandwidth, freq->center_freq1, freq->center_freq2);
8429
8430         if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
8431                 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
8432                            "detection");
8433                 return -1;
8434         }
8435
8436         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
8437             nl80211_put_freq_params(msg, freq) < 0) {
8438                 nlmsg_free(msg);
8439                 return -1;
8440         }
8441
8442         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8443         if (ret == 0)
8444                 return 0;
8445         wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
8446                    "%d (%s)", ret, strerror(-ret));
8447         return -1;
8448 }
8449
8450 #ifdef CONFIG_TDLS
8451
8452 static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
8453                                   u8 dialog_token, u16 status_code,
8454                                   u32 peer_capab, int initiator, const u8 *buf,
8455                                   size_t len)
8456 {
8457         struct i802_bss *bss = priv;
8458         struct wpa_driver_nl80211_data *drv = bss->drv;
8459         struct nl_msg *msg;
8460
8461         if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
8462                 return -EOPNOTSUPP;
8463
8464         if (!dst)
8465                 return -EINVAL;
8466
8467         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
8468             nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
8469             nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
8470             nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
8471             nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
8472                 goto fail;
8473         if (peer_capab) {
8474                 /*
8475                  * The internal enum tdls_peer_capability definition is
8476                  * currently identical with the nl80211 enum
8477                  * nl80211_tdls_peer_capability, so no conversion is needed
8478                  * here.
8479                  */
8480                 if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
8481                                 peer_capab))
8482                         goto fail;
8483         }
8484         if ((initiator &&
8485              nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
8486             nla_put(msg, NL80211_ATTR_IE, len, buf))
8487                 goto fail;
8488
8489         return send_and_recv_msgs(drv, msg, NULL, NULL);
8490
8491 fail:
8492         nlmsg_free(msg);
8493         return -ENOBUFS;
8494 }
8495
8496
8497 static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
8498 {
8499         struct i802_bss *bss = priv;
8500         struct wpa_driver_nl80211_data *drv = bss->drv;
8501         struct nl_msg *msg;
8502         enum nl80211_tdls_operation nl80211_oper;
8503         int res;
8504
8505         if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
8506                 return -EOPNOTSUPP;
8507
8508         switch (oper) {
8509         case TDLS_DISCOVERY_REQ:
8510                 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
8511                 break;
8512         case TDLS_SETUP:
8513                 nl80211_oper = NL80211_TDLS_SETUP;
8514                 break;
8515         case TDLS_TEARDOWN:
8516                 nl80211_oper = NL80211_TDLS_TEARDOWN;
8517                 break;
8518         case TDLS_ENABLE_LINK:
8519                 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
8520                 break;
8521         case TDLS_DISABLE_LINK:
8522                 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
8523                 break;
8524         case TDLS_ENABLE:
8525                 return 0;
8526         case TDLS_DISABLE:
8527                 return 0;
8528         default:
8529                 return -EINVAL;
8530         }
8531
8532         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
8533             nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
8534             nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
8535                 nlmsg_free(msg);
8536                 return -ENOBUFS;
8537         }
8538
8539         res = send_and_recv_msgs(drv, msg, NULL, NULL);
8540         wpa_printf(MSG_DEBUG, "nl80211: TDLS_OPER: oper=%d mac=" MACSTR
8541                    " --> res=%d (%s)", nl80211_oper, MAC2STR(peer), res,
8542                    strerror(-res));
8543         return res;
8544 }
8545
8546
8547 static int
8548 nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
8549                                    const struct hostapd_freq_params *params)
8550 {
8551         struct i802_bss *bss = priv;
8552         struct wpa_driver_nl80211_data *drv = bss->drv;
8553         struct nl_msg *msg;
8554         int ret = -ENOBUFS;
8555
8556         if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
8557             !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
8558                 return -EOPNOTSUPP;
8559
8560         wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
8561                    " oper_class=%u freq=%u",
8562                    MAC2STR(addr), oper_class, params->freq);
8563         msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
8564         if (!msg ||
8565             nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
8566             nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
8567             (ret = nl80211_put_freq_params(msg, params))) {
8568                 nlmsg_free(msg);
8569                 wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
8570                 return ret;
8571         }
8572
8573         return send_and_recv_msgs(drv, msg, NULL, NULL);
8574 }
8575
8576
8577 static int
8578 nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
8579 {
8580         struct i802_bss *bss = priv;
8581         struct wpa_driver_nl80211_data *drv = bss->drv;
8582         struct nl_msg *msg;
8583
8584         if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
8585             !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
8586                 return -EOPNOTSUPP;
8587
8588         wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
8589                    MAC2STR(addr));
8590         msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
8591         if (!msg ||
8592             nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8593                 nlmsg_free(msg);
8594                 wpa_printf(MSG_DEBUG,
8595                            "nl80211: Could not build TDLS cancel chan switch");
8596                 return -ENOBUFS;
8597         }
8598
8599         return send_and_recv_msgs(drv, msg, NULL, NULL);
8600 }
8601
8602 #endif /* CONFIG TDLS */
8603
8604
8605 static int driver_nl80211_set_key(const char *ifname, void *priv,
8606                                   enum wpa_alg alg, const u8 *addr,
8607                                   int key_idx, int set_tx,
8608                                   const u8 *seq, size_t seq_len,
8609                                   const u8 *key, size_t key_len)
8610 {
8611         struct i802_bss *bss = priv;
8612         return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
8613                                           set_tx, seq, seq_len, key, key_len);
8614 }
8615
8616
8617 static int driver_nl80211_scan2(void *priv,
8618                                 struct wpa_driver_scan_params *params)
8619 {
8620         struct i802_bss *bss = priv;
8621 #ifdef CONFIG_DRIVER_NL80211_QCA
8622         struct wpa_driver_nl80211_data *drv = bss->drv;
8623
8624         /*
8625          * Do a vendor specific scan if possible. If only_new_results is
8626          * set, do a normal scan since a kernel (cfg80211) BSS cache flush
8627          * cannot be achieved through a vendor scan. The below condition may
8628          * need to be modified if new scan flags are added in the future whose
8629          * functionality can only be achieved through a normal scan.
8630          */
8631         if (drv->scan_vendor_cmd_avail && !params->only_new_results)
8632                 return wpa_driver_nl80211_vendor_scan(bss, params);
8633 #endif /* CONFIG_DRIVER_NL80211_QCA */
8634         return wpa_driver_nl80211_scan(bss, params);
8635 }
8636
8637
8638 static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
8639                                          u16 reason_code)
8640 {
8641         struct i802_bss *bss = priv;
8642         return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
8643 }
8644
8645
8646 static int driver_nl80211_authenticate(void *priv,
8647                                        struct wpa_driver_auth_params *params)
8648 {
8649         struct i802_bss *bss = priv;
8650         return wpa_driver_nl80211_authenticate(bss, params);
8651 }
8652
8653
8654 static void driver_nl80211_deinit(void *priv)
8655 {
8656         struct i802_bss *bss = priv;
8657         wpa_driver_nl80211_deinit(bss);
8658 }
8659
8660
8661 static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
8662                                     const char *ifname)
8663 {
8664         struct i802_bss *bss = priv;
8665         return wpa_driver_nl80211_if_remove(bss, type, ifname);
8666 }
8667
8668
8669 static int driver_nl80211_send_mlme(void *priv, const u8 *data,
8670                                     size_t data_len, int noack,
8671                                     unsigned int freq,
8672                                     const u16 *csa_offs, size_t csa_offs_len)
8673 {
8674         struct i802_bss *bss = priv;
8675         return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
8676                                             freq, 0, 0, 0, csa_offs,
8677                                             csa_offs_len);
8678 }
8679
8680
8681 static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
8682 {
8683         struct i802_bss *bss = priv;
8684         return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
8685 }
8686
8687
8688 static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
8689                                        const char *ifname, int vlan_id)
8690 {
8691         struct i802_bss *bss = priv;
8692         return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
8693 }
8694
8695
8696 static int driver_nl80211_read_sta_data(void *priv,
8697                                         struct hostap_sta_driver_data *data,
8698                                         const u8 *addr)
8699 {
8700         struct i802_bss *bss = priv;
8701
8702         os_memset(data, 0, sizeof(*data));
8703         return i802_read_sta_data(bss, data, addr);
8704 }
8705
8706
8707 static int driver_nl80211_send_action(void *priv, unsigned int freq,
8708                                       unsigned int wait_time,
8709                                       const u8 *dst, const u8 *src,
8710                                       const u8 *bssid,
8711                                       const u8 *data, size_t data_len,
8712                                       int no_cck)
8713 {
8714         struct i802_bss *bss = priv;
8715         return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
8716                                               bssid, data, data_len, no_cck);
8717 }
8718
8719
8720 static int driver_nl80211_probe_req_report(void *priv, int report)
8721 {
8722         struct i802_bss *bss = priv;
8723         return wpa_driver_nl80211_probe_req_report(bss, report);
8724 }
8725
8726
8727 static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
8728                                             const u8 *ies, size_t ies_len)
8729 {
8730         int ret;
8731         struct nl_msg *msg;
8732         struct i802_bss *bss = priv;
8733         struct wpa_driver_nl80211_data *drv = bss->drv;
8734         u16 mdid = WPA_GET_LE16(md);
8735
8736         wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
8737         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
8738             nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
8739             nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
8740                 nlmsg_free(msg);
8741                 return -ENOBUFS;
8742         }
8743
8744         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8745         if (ret) {
8746                 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
8747                            "err=%d (%s)", ret, strerror(-ret));
8748         }
8749
8750         return ret;
8751 }
8752
8753
8754 static int nl80211_update_dh_ie(void *priv, const u8 *peer_mac,
8755                                 u16 reason_code, const u8 *ie, size_t ie_len)
8756 {
8757         int ret;
8758         struct nl_msg *msg;
8759         struct i802_bss *bss = priv;
8760         struct wpa_driver_nl80211_data *drv = bss->drv;
8761
8762         wpa_printf(MSG_DEBUG, "nl80211: Updating DH IE peer: " MACSTR
8763                    " reason %u", MAC2STR(peer_mac), reason_code);
8764         if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UPDATE_OWE_INFO)) ||
8765             nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer_mac) ||
8766             nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, reason_code) ||
8767             (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) {
8768                 nlmsg_free(msg);
8769                 return -ENOBUFS;
8770         }
8771
8772         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8773         if (ret) {
8774                 wpa_printf(MSG_DEBUG,
8775                            "nl80211: update_dh_ie failed err=%d (%s)",
8776                            ret, strerror(-ret));
8777         }
8778
8779         return ret;
8780 }
8781
8782
8783 static const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
8784 {
8785         struct i802_bss *bss = priv;
8786         struct wpa_driver_nl80211_data *drv = bss->drv;
8787
8788         if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
8789                 return NULL;
8790
8791         return bss->addr;
8792 }
8793
8794
8795 static const char * scan_state_str(enum scan_states scan_state)
8796 {
8797         switch (scan_state) {
8798         case NO_SCAN:
8799                 return "NO_SCAN";
8800         case SCAN_REQUESTED:
8801                 return "SCAN_REQUESTED";
8802         case SCAN_STARTED:
8803                 return "SCAN_STARTED";
8804         case SCAN_COMPLETED:
8805                 return "SCAN_COMPLETED";
8806         case SCAN_ABORTED:
8807                 return "SCAN_ABORTED";
8808         case SCHED_SCAN_STARTED:
8809                 return "SCHED_SCAN_STARTED";
8810         case SCHED_SCAN_STOPPED:
8811                 return "SCHED_SCAN_STOPPED";
8812         case SCHED_SCAN_RESULTS:
8813                 return "SCHED_SCAN_RESULTS";
8814         }
8815
8816         return "??";
8817 }
8818
8819
8820 static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
8821 {
8822         struct i802_bss *bss = priv;
8823         struct wpa_driver_nl80211_data *drv = bss->drv;
8824         int res;
8825         char *pos, *end;
8826         struct nl_msg *msg;
8827         char alpha2[3] = { 0, 0, 0 };
8828
8829         pos = buf;
8830         end = buf + buflen;
8831
8832         res = os_snprintf(pos, end - pos,
8833                           "ifindex=%d\n"
8834                           "ifname=%s\n"
8835                           "brname=%s\n"
8836                           "addr=" MACSTR "\n"
8837                           "freq=%d\n"
8838                           "%s%s%s%s%s%s",
8839                           bss->ifindex,
8840                           bss->ifname,
8841                           bss->brname,
8842                           MAC2STR(bss->addr),
8843                           bss->freq,
8844                           bss->beacon_set ? "beacon_set=1\n" : "",
8845                           bss->added_if_into_bridge ?
8846                           "added_if_into_bridge=1\n" : "",
8847                           bss->already_in_bridge ? "already_in_bridge=1\n" : "",
8848                           bss->added_bridge ? "added_bridge=1\n" : "",
8849                           bss->in_deinit ? "in_deinit=1\n" : "",
8850                           bss->if_dynamic ? "if_dynamic=1\n" : "");
8851         if (os_snprintf_error(end - pos, res))
8852                 return pos - buf;
8853         pos += res;
8854
8855         if (bss->wdev_id_set) {
8856                 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
8857                                   (unsigned long long) bss->wdev_id);
8858                 if (os_snprintf_error(end - pos, res))
8859                         return pos - buf;
8860                 pos += res;
8861         }
8862
8863         res = os_snprintf(pos, end - pos,
8864                           "phyname=%s\n"
8865                           "perm_addr=" MACSTR "\n"
8866                           "drv_ifindex=%d\n"
8867                           "operstate=%d\n"
8868                           "scan_state=%s\n"
8869                           "auth_bssid=" MACSTR "\n"
8870                           "auth_attempt_bssid=" MACSTR "\n"
8871                           "bssid=" MACSTR "\n"
8872                           "prev_bssid=" MACSTR "\n"
8873                           "associated=%d\n"
8874                           "assoc_freq=%u\n"
8875                           "monitor_sock=%d\n"
8876                           "monitor_ifidx=%d\n"
8877                           "monitor_refcount=%d\n"
8878                           "last_mgmt_freq=%u\n"
8879                           "eapol_tx_sock=%d\n"
8880                           "%s%s%s%s%s%s%s%s%s%s%s%s%s",
8881                           drv->phyname,
8882                           MAC2STR(drv->perm_addr),
8883                           drv->ifindex,
8884                           drv->operstate,
8885                           scan_state_str(drv->scan_state),
8886                           MAC2STR(drv->auth_bssid),
8887                           MAC2STR(drv->auth_attempt_bssid),
8888                           MAC2STR(drv->bssid),
8889                           MAC2STR(drv->prev_bssid),
8890                           drv->associated,
8891                           drv->assoc_freq,
8892                           drv->monitor_sock,
8893                           drv->monitor_ifidx,
8894                           drv->monitor_refcount,
8895                           drv->last_mgmt_freq,
8896                           drv->eapol_tx_sock,
8897                           drv->ignore_if_down_event ?
8898                           "ignore_if_down_event=1\n" : "",
8899                           drv->scan_complete_events ?
8900                           "scan_complete_events=1\n" : "",
8901                           drv->disabled_11b_rates ?
8902                           "disabled_11b_rates=1\n" : "",
8903                           drv->pending_remain_on_chan ?
8904                           "pending_remain_on_chan=1\n" : "",
8905                           drv->in_interface_list ? "in_interface_list=1\n" : "",
8906                           drv->device_ap_sme ? "device_ap_sme=1\n" : "",
8907                           drv->poll_command_supported ?
8908                           "poll_command_supported=1\n" : "",
8909                           drv->data_tx_status ? "data_tx_status=1\n" : "",
8910                           drv->scan_for_auth ? "scan_for_auth=1\n" : "",
8911                           drv->retry_auth ? "retry_auth=1\n" : "",
8912                           drv->use_monitor ? "use_monitor=1\n" : "",
8913                           drv->ignore_next_local_disconnect ?
8914                           "ignore_next_local_disconnect=1\n" : "",
8915                           drv->ignore_next_local_deauth ?
8916                           "ignore_next_local_deauth=1\n" : "");
8917         if (os_snprintf_error(end - pos, res))
8918                 return pos - buf;
8919         pos += res;
8920
8921         if (drv->has_capability) {
8922                 res = os_snprintf(pos, end - pos,
8923                                   "capa.key_mgmt=0x%x\n"
8924                                   "capa.enc=0x%x\n"
8925                                   "capa.auth=0x%x\n"
8926                                   "capa.flags=0x%llx\n"
8927                                   "capa.rrm_flags=0x%x\n"
8928                                   "capa.max_scan_ssids=%d\n"
8929                                   "capa.max_sched_scan_ssids=%d\n"
8930                                   "capa.sched_scan_supported=%d\n"
8931                                   "capa.max_match_sets=%d\n"
8932                                   "capa.max_remain_on_chan=%u\n"
8933                                   "capa.max_stations=%u\n"
8934                                   "capa.probe_resp_offloads=0x%x\n"
8935                                   "capa.max_acl_mac_addrs=%u\n"
8936                                   "capa.num_multichan_concurrent=%u\n"
8937                                   "capa.mac_addr_rand_sched_scan_supported=%d\n"
8938                                   "capa.mac_addr_rand_scan_supported=%d\n"
8939                                   "capa.conc_capab=%u\n"
8940                                   "capa.max_conc_chan_2_4=%u\n"
8941                                   "capa.max_conc_chan_5_0=%u\n"
8942                                   "capa.max_sched_scan_plans=%u\n"
8943                                   "capa.max_sched_scan_plan_interval=%u\n"
8944                                   "capa.max_sched_scan_plan_iterations=%u\n",
8945                                   drv->capa.key_mgmt,
8946                                   drv->capa.enc,
8947                                   drv->capa.auth,
8948                                   (unsigned long long) drv->capa.flags,
8949                                   drv->capa.rrm_flags,
8950                                   drv->capa.max_scan_ssids,
8951                                   drv->capa.max_sched_scan_ssids,
8952                                   drv->capa.sched_scan_supported,
8953                                   drv->capa.max_match_sets,
8954                                   drv->capa.max_remain_on_chan,
8955                                   drv->capa.max_stations,
8956                                   drv->capa.probe_resp_offloads,
8957                                   drv->capa.max_acl_mac_addrs,
8958                                   drv->capa.num_multichan_concurrent,
8959                                   drv->capa.mac_addr_rand_sched_scan_supported,
8960                                   drv->capa.mac_addr_rand_scan_supported,
8961                                   drv->capa.conc_capab,
8962                                   drv->capa.max_conc_chan_2_4,
8963                                   drv->capa.max_conc_chan_5_0,
8964                                   drv->capa.max_sched_scan_plans,
8965                                   drv->capa.max_sched_scan_plan_interval,
8966                                   drv->capa.max_sched_scan_plan_iterations);
8967                 if (os_snprintf_error(end - pos, res))
8968                         return pos - buf;
8969                 pos += res;
8970         }
8971
8972         msg = nlmsg_alloc();
8973         if (msg &&
8974             nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG) &&
8975             nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx) == 0) {
8976                 if (send_and_recv_msgs(drv, msg, nl80211_get_country,
8977                                        alpha2) == 0 &&
8978                     alpha2[0]) {
8979                         res = os_snprintf(pos, end - pos, "country=%s\n",
8980                                           alpha2);
8981                         if (os_snprintf_error(end - pos, res))
8982                                 return pos - buf;
8983                         pos += res;
8984                 }
8985         } else {
8986                 nlmsg_free(msg);
8987         }
8988
8989         return pos - buf;
8990 }
8991
8992
8993 static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
8994 {
8995         if ((settings->head &&
8996              nla_put(msg, NL80211_ATTR_BEACON_HEAD,
8997                      settings->head_len, settings->head)) ||
8998             (settings->tail &&
8999              nla_put(msg, NL80211_ATTR_BEACON_TAIL,
9000                      settings->tail_len, settings->tail)) ||
9001             (settings->beacon_ies &&
9002              nla_put(msg, NL80211_ATTR_IE,
9003                      settings->beacon_ies_len, settings->beacon_ies)) ||
9004             (settings->proberesp_ies &&
9005              nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
9006                      settings->proberesp_ies_len, settings->proberesp_ies)) ||
9007             (settings->assocresp_ies &&
9008              nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
9009                      settings->assocresp_ies_len, settings->assocresp_ies)) ||
9010             (settings->probe_resp &&
9011              nla_put(msg, NL80211_ATTR_PROBE_RESP,
9012                      settings->probe_resp_len, settings->probe_resp)))
9013                 return -ENOBUFS;
9014
9015         return 0;
9016 }
9017
9018
9019 static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
9020 {
9021         struct nl_msg *msg;
9022         struct i802_bss *bss = priv;
9023         struct wpa_driver_nl80211_data *drv = bss->drv;
9024         struct nlattr *beacon_csa;
9025         int ret = -ENOBUFS;
9026         int csa_off_len = 0;
9027         int i;
9028
9029         wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
9030                    settings->cs_count, settings->block_tx,
9031                    settings->freq_params.freq, settings->freq_params.bandwidth,
9032                    settings->freq_params.center_freq1,
9033                    settings->freq_params.center_freq2);
9034
9035         if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
9036                 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
9037                 return -EOPNOTSUPP;
9038         }
9039
9040         if (drv->nlmode != NL80211_IFTYPE_AP &&
9041             drv->nlmode != NL80211_IFTYPE_P2P_GO &&
9042             drv->nlmode != NL80211_IFTYPE_MESH_POINT)
9043                 return -EOPNOTSUPP;
9044
9045         /*
9046          * Remove empty counters, assuming Probe Response and Beacon frame
9047          * counters match. This implementation assumes that there are only two
9048          * counters.
9049          */
9050         if (settings->counter_offset_beacon[0] &&
9051             !settings->counter_offset_beacon[1]) {
9052                 csa_off_len = 1;
9053         } else if (settings->counter_offset_beacon[1] &&
9054                    !settings->counter_offset_beacon[0]) {
9055                 csa_off_len = 1;
9056                 settings->counter_offset_beacon[0] =
9057                         settings->counter_offset_beacon[1];
9058                 settings->counter_offset_presp[0] =
9059                         settings->counter_offset_presp[1];
9060         } else if (settings->counter_offset_beacon[1] &&
9061                    settings->counter_offset_beacon[0]) {
9062                 csa_off_len = 2;
9063         } else {
9064                 wpa_printf(MSG_ERROR, "nl80211: No CSA counters provided");
9065                 return -EINVAL;
9066         }
9067
9068         /* Check CSA counters validity */
9069         if (drv->capa.max_csa_counters &&
9070             csa_off_len > drv->capa.max_csa_counters) {
9071                 wpa_printf(MSG_ERROR,
9072                            "nl80211: Too many CSA counters provided");
9073                 return -EINVAL;
9074         }
9075
9076         if (!settings->beacon_csa.tail)
9077                 return -EINVAL;
9078
9079         for (i = 0; i < csa_off_len; i++) {
9080                 u16 csa_c_off_bcn = settings->counter_offset_beacon[i];
9081                 u16 csa_c_off_presp = settings->counter_offset_presp[i];
9082
9083                 if ((settings->beacon_csa.tail_len <= csa_c_off_bcn) ||
9084                     (settings->beacon_csa.tail[csa_c_off_bcn] !=
9085                      settings->cs_count))
9086                         return -EINVAL;
9087
9088                 if (settings->beacon_csa.probe_resp &&
9089                     ((settings->beacon_csa.probe_resp_len <=
9090                       csa_c_off_presp) ||
9091                      (settings->beacon_csa.probe_resp[csa_c_off_presp] !=
9092                       settings->cs_count)))
9093                         return -EINVAL;
9094         }
9095
9096         if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
9097             nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
9098                         settings->cs_count) ||
9099             (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
9100             (settings->block_tx &&
9101              nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
9102                 goto error;
9103
9104         /* beacon_after params */
9105         ret = set_beacon_data(msg, &settings->beacon_after);
9106         if (ret)
9107                 goto error;
9108
9109         /* beacon_csa params */
9110         beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
9111         if (!beacon_csa)
9112                 goto fail;
9113
9114         ret = set_beacon_data(msg, &settings->beacon_csa);
9115         if (ret)
9116                 goto error;
9117
9118         if (nla_put(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
9119                     csa_off_len * sizeof(u16),
9120                     settings->counter_offset_beacon) ||
9121             (settings->beacon_csa.probe_resp &&
9122              nla_put(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
9123                      csa_off_len * sizeof(u16),
9124                      settings->counter_offset_presp)))
9125                 goto fail;
9126
9127         nla_nest_end(msg, beacon_csa);
9128         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9129         if (ret) {
9130                 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
9131                            ret, strerror(-ret));
9132         }
9133         return ret;
9134
9135 fail:
9136         ret = -ENOBUFS;
9137 error:
9138         nlmsg_free(msg);
9139         wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
9140         return ret;
9141 }
9142
9143
9144 static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
9145                           u8 user_priority, u16 admitted_time)
9146 {
9147         struct i802_bss *bss = priv;
9148         struct wpa_driver_nl80211_data *drv = bss->drv;
9149         struct nl_msg *msg;
9150         int ret;
9151
9152         wpa_printf(MSG_DEBUG,
9153                    "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
9154                    tsid, admitted_time, user_priority);
9155
9156         if (!is_sta_interface(drv->nlmode))
9157                 return -ENOTSUP;
9158
9159         msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
9160         if (!msg ||
9161             nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
9162             nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9163             nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
9164             nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
9165                 nlmsg_free(msg);
9166                 return -ENOBUFS;
9167         }
9168
9169         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9170         if (ret)
9171                 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
9172                            ret, strerror(-ret));
9173         return ret;
9174 }
9175
9176
9177 static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
9178 {
9179         struct i802_bss *bss = priv;
9180         struct wpa_driver_nl80211_data *drv = bss->drv;
9181         struct nl_msg *msg;
9182         int ret;
9183
9184         wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
9185
9186         if (!is_sta_interface(drv->nlmode))
9187                 return -ENOTSUP;
9188
9189         if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
9190             nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
9191             nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
9192                 nlmsg_free(msg);
9193                 return -ENOBUFS;
9194         }
9195
9196         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9197         if (ret)
9198                 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
9199                            ret, strerror(-ret));
9200         return ret;
9201 }
9202
9203
9204 #ifdef CONFIG_TESTING_OPTIONS
9205 static int cmd_reply_handler(struct nl_msg *msg, void *arg)
9206 {
9207         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9208         struct wpabuf *buf = arg;
9209
9210         if (!buf)
9211                 return NL_SKIP;
9212
9213         if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
9214                 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
9215                 return NL_SKIP;
9216         }
9217
9218         wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
9219                         genlmsg_attrlen(gnlh, 0));
9220
9221         return NL_SKIP;
9222 }
9223 #endif /* CONFIG_TESTING_OPTIONS */
9224
9225
9226 static int vendor_reply_handler(struct nl_msg *msg, void *arg)
9227 {
9228         struct nlattr *tb[NL80211_ATTR_MAX + 1];
9229         struct nlattr *nl_vendor_reply, *nl;
9230         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9231         struct wpabuf *buf = arg;
9232         int rem;
9233
9234         if (!buf)
9235                 return NL_SKIP;
9236
9237         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9238                   genlmsg_attrlen(gnlh, 0), NULL);
9239         nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
9240
9241         if (!nl_vendor_reply)
9242                 return NL_SKIP;
9243
9244         if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
9245                 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
9246                 return NL_SKIP;
9247         }
9248
9249         nla_for_each_nested(nl, nl_vendor_reply, rem) {
9250                 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
9251         }
9252
9253         return NL_SKIP;
9254 }
9255
9256
9257 static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
9258                               unsigned int subcmd, const u8 *data,
9259                               size_t data_len, struct wpabuf *buf)
9260 {
9261         struct i802_bss *bss = priv;
9262         struct wpa_driver_nl80211_data *drv = bss->drv;
9263         struct nl_msg *msg;
9264         int ret;
9265
9266 #ifdef CONFIG_TESTING_OPTIONS
9267         if (vendor_id == 0xffffffff) {
9268                 msg = nlmsg_alloc();
9269                 if (!msg)
9270                         return -ENOMEM;
9271
9272                 nl80211_cmd(drv, msg, 0, subcmd);
9273                 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
9274                     0)
9275                         goto fail;
9276                 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
9277                 if (ret)
9278                         wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
9279                                    ret);
9280                 return ret;
9281         }
9282 #endif /* CONFIG_TESTING_OPTIONS */
9283
9284         if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
9285             nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
9286             nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
9287             (data &&
9288              nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
9289                 goto fail;
9290
9291         ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
9292         if (ret)
9293                 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
9294                            ret);
9295         return ret;
9296
9297 fail:
9298         nlmsg_free(msg);
9299         return -ENOBUFS;
9300 }
9301
9302
9303 static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
9304                                u8 qos_map_set_len)
9305 {
9306         struct i802_bss *bss = priv;
9307         struct wpa_driver_nl80211_data *drv = bss->drv;
9308         struct nl_msg *msg;
9309         int ret;
9310
9311         wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
9312                     qos_map_set, qos_map_set_len);
9313
9314         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
9315             nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
9316                 nlmsg_free(msg);
9317                 return -ENOBUFS;
9318         }
9319
9320         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9321         if (ret)
9322                 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
9323
9324         return ret;
9325 }
9326
9327
9328 static int nl80211_set_wowlan(void *priv,
9329                               const struct wowlan_triggers *triggers)
9330 {
9331         struct i802_bss *bss = priv;
9332         struct wpa_driver_nl80211_data *drv = bss->drv;
9333         struct nl_msg *msg;
9334         struct nlattr *wowlan_triggers;
9335         int ret;
9336
9337         wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
9338
9339         if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) ||
9340             !(wowlan_triggers = nla_nest_start(msg,
9341                                                NL80211_ATTR_WOWLAN_TRIGGERS)) ||
9342             (triggers->any &&
9343              nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
9344             (triggers->disconnect &&
9345              nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
9346             (triggers->magic_pkt &&
9347              nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
9348             (triggers->gtk_rekey_failure &&
9349              nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
9350             (triggers->eap_identity_req &&
9351              nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
9352             (triggers->four_way_handshake &&
9353              nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
9354             (triggers->rfkill_release &&
9355              nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
9356                 nlmsg_free(msg);
9357                 return -ENOBUFS;
9358         }
9359
9360         nla_nest_end(msg, wowlan_triggers);
9361
9362         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9363         if (ret)
9364                 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
9365
9366         return ret;
9367 }
9368
9369
9370 #ifdef CONFIG_DRIVER_NL80211_QCA
9371 static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
9372 {
9373         struct i802_bss *bss = priv;
9374         struct wpa_driver_nl80211_data *drv = bss->drv;
9375         struct nl_msg *msg;
9376         struct nlattr *params;
9377
9378         wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
9379
9380         if (!drv->roaming_vendor_cmd_avail) {
9381                 wpa_printf(MSG_DEBUG,
9382                            "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
9383                 return -1;
9384         }
9385
9386         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9387             nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9388             nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9389                         QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
9390             !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9391             nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
9392                         allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
9393                         QCA_ROAMING_NOT_ALLOWED) ||
9394             (bssid &&
9395              nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
9396                 nlmsg_free(msg);
9397                 return -1;
9398         }
9399         nla_nest_end(msg, params);
9400
9401         return send_and_recv_msgs(drv, msg, NULL, NULL);
9402 }
9403
9404
9405 static int nl80211_disable_fils(void *priv, int disable)
9406 {
9407         struct i802_bss *bss = priv;
9408         struct wpa_driver_nl80211_data *drv = bss->drv;
9409         struct nl_msg *msg;
9410         struct nlattr *params;
9411
9412         wpa_printf(MSG_DEBUG, "nl80211: Disable FILS=%d", disable);
9413
9414         if (!drv->set_wifi_conf_vendor_cmd_avail)
9415                 return -1;
9416
9417         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9418             nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9419             nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9420                         QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION) ||
9421             !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9422             nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_DISABLE_FILS,
9423                        disable)) {
9424                 nlmsg_free(msg);
9425                 return -1;
9426         }
9427         nla_nest_end(msg, params);
9428
9429         return send_and_recv_msgs(drv, msg, NULL, NULL);
9430 }
9431
9432
9433 /* Reserved QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID value for wpa_supplicant */
9434 #define WPA_SUPPLICANT_CLIENT_ID 1
9435
9436 static int nl80211_set_bssid_blacklist(void *priv, unsigned int num_bssid,
9437                                        const u8 *bssid)
9438 {
9439         struct i802_bss *bss = priv;
9440         struct wpa_driver_nl80211_data *drv = bss->drv;
9441         struct nl_msg *msg;
9442         struct nlattr *params, *nlbssids, *attr;
9443         unsigned int i;
9444
9445         wpa_printf(MSG_DEBUG, "nl80211: Set blacklist BSSID (num=%u)",
9446                    num_bssid);
9447
9448         if (!drv->roam_vendor_cmd_avail)
9449                 return -1;
9450
9451         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9452             nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9453             nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9454                         QCA_NL80211_VENDOR_SUBCMD_ROAM) ||
9455             !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9456             nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_SUBCMD,
9457                         QCA_WLAN_VENDOR_ATTR_ROAM_SUBCMD_SET_BLACKLIST_BSSID) ||
9458             nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID,
9459                         WPA_SUPPLICANT_CLIENT_ID) ||
9460             nla_put_u32(msg,
9461                         QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_NUM_BSSID,
9462                         num_bssid))
9463                 goto fail;
9464
9465         nlbssids = nla_nest_start(
9466                 msg, QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS);
9467         if (!nlbssids)
9468                 goto fail;
9469
9470         for (i = 0; i < num_bssid; i++) {
9471                 attr = nla_nest_start(msg, i);
9472                 if (!attr)
9473                         goto fail;
9474                 if (nla_put(msg,
9475                             QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_BSSID,
9476                             ETH_ALEN, &bssid[i * ETH_ALEN]))
9477                         goto fail;
9478                 wpa_printf(MSG_DEBUG, "nl80211:   BSSID[%u]: " MACSTR, i,
9479                            MAC2STR(&bssid[i * ETH_ALEN]));
9480                 nla_nest_end(msg, attr);
9481         }
9482         nla_nest_end(msg, nlbssids);
9483         nla_nest_end(msg, params);
9484
9485         return send_and_recv_msgs(drv, msg, NULL, NULL);
9486
9487 fail:
9488         nlmsg_free(msg);
9489         return -1;
9490 }
9491
9492 #endif /* CONFIG_DRIVER_NL80211_QCA */
9493
9494
9495 static int nl80211_set_mac_addr(void *priv, const u8 *addr)
9496 {
9497         struct i802_bss *bss = priv;
9498         struct wpa_driver_nl80211_data *drv = bss->drv;
9499         int new_addr = addr != NULL;
9500
9501         if (TEST_FAIL())
9502                 return -1;
9503
9504         if (!addr)
9505                 addr = drv->perm_addr;
9506
9507         if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
9508                 return -1;
9509
9510         if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
9511         {
9512                 wpa_printf(MSG_DEBUG,
9513                            "nl80211: failed to set_mac_addr for %s to " MACSTR,
9514                            bss->ifname, MAC2STR(addr));
9515                 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
9516                                           1) < 0) {
9517                         wpa_printf(MSG_DEBUG,
9518                                    "nl80211: Could not restore interface UP after failed set_mac_addr");
9519                 }
9520                 return -1;
9521         }
9522
9523         wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
9524                    bss->ifname, MAC2STR(addr));
9525         drv->addr_changed = new_addr;
9526         os_memcpy(bss->addr, addr, ETH_ALEN);
9527
9528         if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
9529         {
9530                 wpa_printf(MSG_DEBUG,
9531                            "nl80211: Could not restore interface UP after set_mac_addr");
9532         }
9533
9534         return 0;
9535 }
9536
9537
9538 #ifdef CONFIG_MESH
9539
9540 static int wpa_driver_nl80211_init_mesh(void *priv)
9541 {
9542         if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
9543                 wpa_printf(MSG_INFO,
9544                            "nl80211: Failed to set interface into mesh mode");
9545                 return -1;
9546         }
9547         return 0;
9548 }
9549
9550
9551 static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id,
9552                                size_t mesh_id_len)
9553 {
9554         if (mesh_id) {
9555                 wpa_printf(MSG_DEBUG, "  * Mesh ID (SSID)=%s",
9556                            wpa_ssid_txt(mesh_id, mesh_id_len));
9557                 return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id);
9558         }
9559
9560         return 0;
9561 }
9562
9563
9564 static int nl80211_put_mesh_config(struct nl_msg *msg,
9565                                    struct wpa_driver_mesh_bss_params *params)
9566 {
9567         struct nlattr *container;
9568
9569         container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
9570         if (!container)
9571                 return -1;
9572
9573         if (((params->flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
9574              nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
9575                         params->auto_plinks)) ||
9576             ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS) &&
9577              nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
9578                          params->max_peer_links)) ||
9579             ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_RSSI_THRESHOLD) &&
9580              nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
9581                          params->rssi_threshold)))
9582                 return -1;
9583
9584         /*
9585          * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
9586          * the timer could disconnect stations even in that case.
9587          */
9588         if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT) &&
9589             nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
9590                         params->peer_link_timeout)) {
9591                 wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT");
9592                 return -1;
9593         }
9594
9595         if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE) &&
9596             nla_put_u16(msg, NL80211_MESHCONF_HT_OPMODE, params->ht_opmode)) {
9597                 wpa_printf(MSG_ERROR, "nl80211: Failed to set HT_OP_MODE");
9598                 return -1;
9599         }
9600
9601         nla_nest_end(msg, container);
9602
9603         return 0;
9604 }
9605
9606
9607 static int nl80211_join_mesh(struct i802_bss *bss,
9608                              struct wpa_driver_mesh_join_params *params)
9609 {
9610         struct wpa_driver_nl80211_data *drv = bss->drv;
9611         struct nl_msg *msg;
9612         struct nlattr *container;
9613         int ret = -1;
9614
9615         wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
9616         msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
9617         if (!msg ||
9618             nl80211_put_freq_params(msg, &params->freq) ||
9619             nl80211_put_basic_rates(msg, params->basic_rates) ||
9620             nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
9621             nl80211_put_beacon_int(msg, params->beacon_int) ||
9622             nl80211_put_dtim_period(msg, params->dtim_period))
9623                 goto fail;
9624
9625         wpa_printf(MSG_DEBUG, "  * flags=%08X", params->flags);
9626
9627         container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
9628         if (!container)
9629                 goto fail;
9630
9631         if (params->ies) {
9632                 wpa_hexdump(MSG_DEBUG, "  * IEs", params->ies, params->ie_len);
9633                 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
9634                             params->ies))
9635                         goto fail;
9636         }
9637         /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
9638         if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
9639                 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
9640                     nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
9641                         goto fail;
9642         }
9643         if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
9644             nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
9645                 goto fail;
9646         if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
9647             nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
9648                 goto fail;
9649         nla_nest_end(msg, container);
9650
9651         params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS;
9652         params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT;
9653         params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS;
9654         if (nl80211_put_mesh_config(msg, &params->conf) < 0)
9655                 goto fail;
9656
9657         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9658         msg = NULL;
9659         if (ret) {
9660                 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
9661                            ret, strerror(-ret));
9662                 goto fail;
9663         }
9664         ret = 0;
9665         drv->assoc_freq = bss->freq = params->freq.freq;
9666         wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
9667
9668 fail:
9669         nlmsg_free(msg);
9670         return ret;
9671 }
9672
9673
9674 static int
9675 wpa_driver_nl80211_join_mesh(void *priv,
9676                              struct wpa_driver_mesh_join_params *params)
9677 {
9678         struct i802_bss *bss = priv;
9679         int ret, timeout;
9680
9681         timeout = params->conf.peer_link_timeout;
9682
9683         /* Disable kernel inactivity timer */
9684         if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM)
9685                 params->conf.peer_link_timeout = 0;
9686
9687         ret = nl80211_join_mesh(bss, params);
9688         if (ret == -EINVAL && params->conf.peer_link_timeout == 0) {
9689                 wpa_printf(MSG_DEBUG,
9690                            "nl80211: Mesh join retry for peer_link_timeout");
9691                 /*
9692                  * Old kernel does not support setting
9693                  * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
9694                  * into future from peer_link_timeout.
9695                  */
9696                 params->conf.peer_link_timeout = timeout + 60;
9697                 ret = nl80211_join_mesh(priv, params);
9698         }
9699
9700         params->conf.peer_link_timeout = timeout;
9701         return ret;
9702 }
9703
9704
9705 static int wpa_driver_nl80211_leave_mesh(void *priv)
9706 {
9707         struct i802_bss *bss = priv;
9708         struct wpa_driver_nl80211_data *drv = bss->drv;
9709         struct nl_msg *msg;
9710         int ret;
9711
9712         wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
9713         msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
9714         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9715         if (ret) {
9716                 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
9717                            ret, strerror(-ret));
9718         } else {
9719                 wpa_printf(MSG_DEBUG,
9720                            "nl80211: mesh leave request send successfully");
9721         }
9722
9723         if (wpa_driver_nl80211_set_mode(drv->first_bss,
9724                                         NL80211_IFTYPE_STATION)) {
9725                 wpa_printf(MSG_INFO,
9726                            "nl80211: Failed to set interface into station mode");
9727         }
9728         return ret;
9729 }
9730
9731
9732 static int nl80211_probe_mesh_link(void *priv, const u8 *addr, const u8 *eth,
9733                                    size_t len)
9734 {
9735         struct i802_bss *bss = priv;
9736         struct wpa_driver_nl80211_data *drv = bss->drv;
9737         struct nl_msg *msg;
9738         int ret;
9739
9740         msg = nl80211_drv_msg(drv, 0, NL80211_CMD_PROBE_MESH_LINK);
9741         if (!msg ||
9742             nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9743             nla_put(msg, NL80211_ATTR_FRAME, len, eth)) {
9744                 nlmsg_free(msg);
9745                 return -ENOBUFS;
9746         }
9747
9748         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9749         if (ret) {
9750                 wpa_printf(MSG_DEBUG, "nl80211: mesh link probe to " MACSTR
9751                            " failed: ret=%d (%s)",
9752                            MAC2STR(addr), ret, strerror(-ret));
9753         } else {
9754                 wpa_printf(MSG_DEBUG, "nl80211: Mesh link to " MACSTR
9755                            " probed successfully", MAC2STR(addr));
9756         }
9757
9758         return ret;
9759 }
9760
9761 #endif /* CONFIG_MESH */
9762
9763
9764 static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
9765                                       const u8 *ipaddr, int prefixlen,
9766                                       const u8 *addr)
9767 {
9768 #ifdef CONFIG_LIBNL3_ROUTE
9769         struct i802_bss *bss = priv;
9770         struct wpa_driver_nl80211_data *drv = bss->drv;
9771         struct rtnl_neigh *rn;
9772         struct nl_addr *nl_ipaddr = NULL;
9773         struct nl_addr *nl_lladdr = NULL;
9774         int family, addrsize;
9775         int res;
9776
9777         if (!ipaddr || prefixlen == 0 || !addr)
9778                 return -EINVAL;
9779
9780         if (bss->br_ifindex == 0) {
9781                 wpa_printf(MSG_DEBUG,
9782                            "nl80211: bridge must be set before adding an ip neigh to it");
9783                 return -1;
9784         }
9785
9786         if (!drv->rtnl_sk) {
9787                 wpa_printf(MSG_DEBUG,
9788                            "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
9789                 return -1;
9790         }
9791
9792         if (version == 4) {
9793                 family = AF_INET;
9794                 addrsize = 4;
9795         } else if (version == 6) {
9796                 family = AF_INET6;
9797                 addrsize = 16;
9798         } else {
9799                 return -EINVAL;
9800         }
9801
9802         rn = rtnl_neigh_alloc();
9803         if (rn == NULL)
9804                 return -ENOMEM;
9805
9806         /* set the destination ip address for neigh */
9807         nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
9808         if (nl_ipaddr == NULL) {
9809                 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
9810                 res = -ENOMEM;
9811                 goto errout;
9812         }
9813         nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
9814         res = rtnl_neigh_set_dst(rn, nl_ipaddr);
9815         if (res) {
9816                 wpa_printf(MSG_DEBUG,
9817                            "nl80211: neigh set destination addr failed");
9818                 goto errout;
9819         }
9820
9821         /* set the corresponding lladdr for neigh */
9822         nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
9823         if (nl_lladdr == NULL) {
9824                 wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
9825                 res = -ENOMEM;
9826                 goto errout;
9827         }
9828         rtnl_neigh_set_lladdr(rn, nl_lladdr);
9829
9830         rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
9831         rtnl_neigh_set_state(rn, NUD_PERMANENT);
9832
9833         res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
9834         if (res) {
9835                 wpa_printf(MSG_DEBUG,
9836                            "nl80211: Adding bridge ip neigh failed: %s",
9837                            strerror(errno));
9838         }
9839 errout:
9840         if (nl_lladdr)
9841                 nl_addr_put(nl_lladdr);
9842         if (nl_ipaddr)
9843                 nl_addr_put(nl_ipaddr);
9844         if (rn)
9845                 rtnl_neigh_put(rn);
9846         return res;
9847 #else /* CONFIG_LIBNL3_ROUTE */
9848         return -1;
9849 #endif /* CONFIG_LIBNL3_ROUTE */
9850 }
9851
9852
9853 static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
9854                                          const u8 *ipaddr)
9855 {
9856 #ifdef CONFIG_LIBNL3_ROUTE
9857         struct i802_bss *bss = priv;
9858         struct wpa_driver_nl80211_data *drv = bss->drv;
9859         struct rtnl_neigh *rn;
9860         struct nl_addr *nl_ipaddr;
9861         int family, addrsize;
9862         int res;
9863
9864         if (!ipaddr)
9865                 return -EINVAL;
9866
9867         if (version == 4) {
9868                 family = AF_INET;
9869                 addrsize = 4;
9870         } else if (version == 6) {
9871                 family = AF_INET6;
9872                 addrsize = 16;
9873         } else {
9874                 return -EINVAL;
9875         }
9876
9877         if (bss->br_ifindex == 0) {
9878                 wpa_printf(MSG_DEBUG,
9879                            "nl80211: bridge must be set to delete an ip neigh");
9880                 return -1;
9881         }
9882
9883         if (!drv->rtnl_sk) {
9884                 wpa_printf(MSG_DEBUG,
9885                            "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
9886                 return -1;
9887         }
9888
9889         rn = rtnl_neigh_alloc();
9890         if (rn == NULL)
9891                 return -ENOMEM;
9892
9893         /* set the destination ip address for neigh */
9894         nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
9895         if (nl_ipaddr == NULL) {
9896                 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
9897                 res = -ENOMEM;
9898                 goto errout;
9899         }
9900         res = rtnl_neigh_set_dst(rn, nl_ipaddr);
9901         if (res) {
9902                 wpa_printf(MSG_DEBUG,
9903                            "nl80211: neigh set destination addr failed");
9904                 goto errout;
9905         }
9906
9907         rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
9908
9909         res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
9910         if (res) {
9911                 wpa_printf(MSG_DEBUG,
9912                            "nl80211: Deleting bridge ip neigh failed: %s",
9913                            strerror(errno));
9914         }
9915 errout:
9916         if (nl_ipaddr)
9917                 nl_addr_put(nl_ipaddr);
9918         if (rn)
9919                 rtnl_neigh_put(rn);
9920         return res;
9921 #else /* CONFIG_LIBNL3_ROUTE */
9922         return -1;
9923 #endif /* CONFIG_LIBNL3_ROUTE */
9924 }
9925
9926
9927 static int linux_write_system_file(const char *path, unsigned int val)
9928 {
9929         char buf[50];
9930         int fd, len;
9931
9932         len = os_snprintf(buf, sizeof(buf), "%u\n", val);
9933         if (os_snprintf_error(sizeof(buf), len))
9934                 return -1;
9935
9936         fd = open(path, O_WRONLY);
9937         if (fd < 0)
9938                 return -1;
9939
9940         if (write(fd, buf, len) < 0) {
9941                 wpa_printf(MSG_DEBUG,
9942                            "nl80211: Failed to write Linux system file: %s with the value of %d",
9943                            path, val);
9944                 close(fd);
9945                 return -1;
9946         }
9947         close(fd);
9948
9949         return 0;
9950 }
9951
9952
9953 static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
9954 {
9955         switch (attr) {
9956         case DRV_BR_PORT_ATTR_PROXYARP:
9957                 return "proxyarp_wifi";
9958         case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
9959                 return "hairpin_mode";
9960         }
9961
9962         return NULL;
9963 }
9964
9965
9966 static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
9967                                        unsigned int val)
9968 {
9969         struct i802_bss *bss = priv;
9970         char path[128];
9971         const char *attr_txt;
9972
9973         attr_txt = drv_br_port_attr_str(attr);
9974         if (attr_txt == NULL)
9975                 return -EINVAL;
9976
9977         os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
9978                     bss->ifname, attr_txt);
9979
9980         if (linux_write_system_file(path, val))
9981                 return -1;
9982
9983         return 0;
9984 }
9985
9986
9987 static const char * drv_br_net_param_str(enum drv_br_net_param param)
9988 {
9989         switch (param) {
9990         case DRV_BR_NET_PARAM_GARP_ACCEPT:
9991                 return "arp_accept";
9992         default:
9993                 return NULL;
9994         }
9995 }
9996
9997
9998 static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
9999                                        unsigned int val)
10000 {
10001         struct i802_bss *bss = priv;
10002         char path[128];
10003         const char *param_txt;
10004         int ip_version = 4;
10005
10006         if (param == DRV_BR_MULTICAST_SNOOPING) {
10007                 os_snprintf(path, sizeof(path),
10008                             "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
10009                             bss->brname);
10010                 goto set_val;
10011         }
10012
10013         param_txt = drv_br_net_param_str(param);
10014         if (param_txt == NULL)
10015                 return -EINVAL;
10016
10017         switch (param) {
10018                 case DRV_BR_NET_PARAM_GARP_ACCEPT:
10019                         ip_version = 4;
10020                         break;
10021                 default:
10022                         return -EINVAL;
10023         }
10024
10025         os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
10026                     ip_version, bss->brname, param_txt);
10027
10028 set_val:
10029         if (linux_write_system_file(path, val))
10030                 return -1;
10031
10032         return 0;
10033 }
10034
10035
10036 #ifdef CONFIG_DRIVER_NL80211_QCA
10037
10038 static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
10039 {
10040         switch (hw_mode) {
10041         case HOSTAPD_MODE_IEEE80211B:
10042                 return QCA_ACS_MODE_IEEE80211B;
10043         case HOSTAPD_MODE_IEEE80211G:
10044                 return QCA_ACS_MODE_IEEE80211G;
10045         case HOSTAPD_MODE_IEEE80211A:
10046                 return QCA_ACS_MODE_IEEE80211A;
10047         case HOSTAPD_MODE_IEEE80211AD:
10048                 return QCA_ACS_MODE_IEEE80211AD;
10049         case HOSTAPD_MODE_IEEE80211ANY:
10050                 return QCA_ACS_MODE_IEEE80211ANY;
10051         default:
10052                 return -1;
10053         }
10054 }
10055
10056
10057 static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list)
10058 {
10059         int i, len, ret;
10060         u32 *freqs;
10061
10062         if (!freq_list)
10063                 return 0;
10064         len = int_array_len(freq_list);
10065         freqs = os_malloc(sizeof(u32) * len);
10066         if (!freqs)
10067                 return -1;
10068         for (i = 0; i < len; i++)
10069                 freqs[i] = freq_list[i];
10070         ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST,
10071                       sizeof(u32) * len, freqs);
10072         os_free(freqs);
10073         return ret;
10074 }
10075
10076
10077 static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
10078 {
10079         struct i802_bss *bss = priv;
10080         struct wpa_driver_nl80211_data *drv = bss->drv;
10081         struct nl_msg *msg;
10082         struct nlattr *data;
10083         int ret;
10084         int mode;
10085
10086         mode = hw_mode_to_qca_acs(params->hw_mode);
10087         if (mode < 0)
10088                 return -1;
10089
10090         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10091             nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10092             nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10093                         QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
10094             !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10095             nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
10096             (params->ht_enabled &&
10097              nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
10098             (params->ht40_enabled &&
10099              nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) ||
10100             (params->vht_enabled &&
10101              nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) ||
10102             nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH,
10103                         params->ch_width) ||
10104             (params->ch_list_len &&
10105              nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST, params->ch_list_len,
10106                      params->ch_list)) ||
10107             add_acs_freq_list(msg, params->freq_list)) {
10108                 nlmsg_free(msg);
10109                 return -ENOBUFS;
10110         }
10111         nla_nest_end(msg, data);
10112
10113         wpa_printf(MSG_DEBUG,
10114                    "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d CH_LIST_LEN: %u",
10115                    params->hw_mode, params->ht_enabled, params->ht40_enabled,
10116                    params->vht_enabled, params->ch_width, params->ch_list_len);
10117
10118         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10119         if (ret) {
10120                 wpa_printf(MSG_DEBUG,
10121                            "nl80211: Failed to invoke driver ACS function: %s",
10122                            strerror(errno));
10123         }
10124         return ret;
10125 }
10126
10127
10128 static int nl80211_set_band(void *priv, enum set_band band)
10129 {
10130         struct i802_bss *bss = priv;
10131         struct wpa_driver_nl80211_data *drv = bss->drv;
10132         struct nl_msg *msg;
10133         struct nlattr *data;
10134         int ret;
10135         enum qca_set_band qca_band;
10136
10137         if (!drv->setband_vendor_cmd_avail)
10138                 return -1;
10139
10140         switch (band) {
10141         case WPA_SETBAND_AUTO:
10142                 qca_band = QCA_SETBAND_AUTO;
10143                 break;
10144         case WPA_SETBAND_5G:
10145                 qca_band = QCA_SETBAND_5G;
10146                 break;
10147         case WPA_SETBAND_2G:
10148                 qca_band = QCA_SETBAND_2G;
10149                 break;
10150         default:
10151                 return -1;
10152         }
10153
10154         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10155             nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10156             nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10157                         QCA_NL80211_VENDOR_SUBCMD_SETBAND) ||
10158             !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10159             nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE, qca_band)) {
10160                 nlmsg_free(msg);
10161                 return -ENOBUFS;
10162         }
10163         nla_nest_end(msg, data);
10164
10165         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10166         if (ret) {
10167                 wpa_printf(MSG_DEBUG,
10168                            "nl80211: Driver setband function failed: %s",
10169                            strerror(errno));
10170         }
10171         return ret;
10172 }
10173
10174
10175 struct nl80211_pcl {
10176         unsigned int num;
10177         unsigned int *freq_list;
10178 };
10179
10180 static int preferred_freq_info_handler(struct nl_msg *msg, void *arg)
10181 {
10182         struct nlattr *tb[NL80211_ATTR_MAX + 1];
10183         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10184         struct nl80211_pcl *param = arg;
10185         struct nlattr *nl_vend, *attr;
10186         enum qca_iface_type iface_type;
10187         struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
10188         unsigned int num, max_num;
10189         u32 *freqs;
10190
10191         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10192                   genlmsg_attrlen(gnlh, 0), NULL);
10193
10194         nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
10195         if (!nl_vend)
10196                 return NL_SKIP;
10197
10198         nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
10199                   nla_data(nl_vend), nla_len(nl_vend), NULL);
10200
10201         attr = tb_vendor[
10202                 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE];
10203         if (!attr) {
10204                 wpa_printf(MSG_ERROR, "nl80211: iface_type couldn't be found");
10205                 param->num = 0;
10206                 return NL_SKIP;
10207         }
10208
10209         iface_type = (enum qca_iface_type) nla_get_u32(attr);
10210         wpa_printf(MSG_DEBUG, "nl80211: Driver returned iface_type=%d",
10211                    iface_type);
10212
10213         attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST];
10214         if (!attr) {
10215                 wpa_printf(MSG_ERROR,
10216                            "nl80211: preferred_freq_list couldn't be found");
10217                 param->num = 0;
10218                 return NL_SKIP;
10219         }
10220
10221         /*
10222          * param->num has the maximum number of entries for which there
10223          * is room in the freq_list provided by the caller.
10224          */
10225         freqs = nla_data(attr);
10226         max_num = nla_len(attr) / sizeof(u32);
10227         if (max_num > param->num)
10228                 max_num = param->num;
10229         for (num = 0; num < max_num; num++)
10230                 param->freq_list[num] = freqs[num];
10231         param->num = num;
10232
10233         return NL_SKIP;
10234 }
10235
10236
10237 static int nl80211_get_pref_freq_list(void *priv,
10238                                       enum wpa_driver_if_type if_type,
10239                                       unsigned int *num,
10240                                       unsigned int *freq_list)
10241 {
10242         struct i802_bss *bss = priv;
10243         struct wpa_driver_nl80211_data *drv = bss->drv;
10244         struct nl_msg *msg;
10245         int ret;
10246         unsigned int i;
10247         struct nlattr *params;
10248         struct nl80211_pcl param;
10249         enum qca_iface_type iface_type;
10250
10251         if (!drv->get_pref_freq_list)
10252                 return -1;
10253
10254         switch (if_type) {
10255         case WPA_IF_STATION:
10256                 iface_type = QCA_IFACE_TYPE_STA;
10257                 break;
10258         case WPA_IF_AP_BSS:
10259                 iface_type = QCA_IFACE_TYPE_AP;
10260                 break;
10261         case WPA_IF_P2P_GO:
10262                 iface_type = QCA_IFACE_TYPE_P2P_GO;
10263                 break;
10264         case WPA_IF_P2P_CLIENT:
10265                 iface_type = QCA_IFACE_TYPE_P2P_CLIENT;
10266                 break;
10267         case WPA_IF_IBSS:
10268                 iface_type = QCA_IFACE_TYPE_IBSS;
10269                 break;
10270         case WPA_IF_TDLS:
10271                 iface_type = QCA_IFACE_TYPE_TDLS;
10272                 break;
10273         default:
10274                 return -1;
10275         }
10276
10277         param.num = *num;
10278         param.freq_list = freq_list;
10279
10280         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10281             nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
10282             nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10283             nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10284                         QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST) ||
10285             !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10286             nla_put_u32(msg,
10287                         QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE,
10288                         iface_type)) {
10289                 wpa_printf(MSG_ERROR,
10290                            "%s: err in adding vendor_cmd and vendor_data",
10291                            __func__);
10292                 nlmsg_free(msg);
10293                 return -1;
10294         }
10295         nla_nest_end(msg, params);
10296
10297         os_memset(freq_list, 0, *num * sizeof(freq_list[0]));
10298         ret = send_and_recv_msgs(drv, msg, preferred_freq_info_handler, &param);
10299         if (ret) {
10300                 wpa_printf(MSG_ERROR,
10301                            "%s: err in send_and_recv_msgs", __func__);
10302                 return ret;
10303         }
10304
10305         *num = param.num;
10306
10307         for (i = 0; i < *num; i++) {
10308                 wpa_printf(MSG_DEBUG, "nl80211: preferred_channel_list[%d]=%d",
10309                            i, freq_list[i]);
10310         }
10311
10312         return 0;
10313 }
10314
10315
10316 static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
10317 {
10318         struct i802_bss *bss = priv;
10319         struct wpa_driver_nl80211_data *drv = bss->drv;
10320         struct nl_msg *msg;
10321         int ret;
10322         struct nlattr *params;
10323
10324         if (!drv->set_prob_oper_freq)
10325                 return -1;
10326
10327         wpa_printf(MSG_DEBUG,
10328                    "nl80211: Set P2P probable operating freq %u for ifindex %d",
10329                    freq, bss->ifindex);
10330
10331         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10332             nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10333             nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10334                         QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) ||
10335             !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10336             nla_put_u32(msg,
10337                         QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE,
10338                         QCA_IFACE_TYPE_P2P_CLIENT) ||
10339             nla_put_u32(msg,
10340                         QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ,
10341                         freq)) {
10342                 wpa_printf(MSG_ERROR,
10343                            "%s: err in adding vendor_cmd and vendor_data",
10344                            __func__);
10345                 nlmsg_free(msg);
10346                 return -1;
10347         }
10348         nla_nest_end(msg, params);
10349
10350         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10351         msg = NULL;
10352         if (ret) {
10353                 wpa_printf(MSG_ERROR, "%s: err in send_and_recv_msgs",
10354                            __func__);
10355                 return ret;
10356         }
10357         nlmsg_free(msg);
10358         return 0;
10359 }
10360
10361
10362 static int nl80211_p2p_lo_start(void *priv, unsigned int freq,
10363                                 unsigned int period, unsigned int interval,
10364                                 unsigned int count, const u8 *device_types,
10365                                 size_t dev_types_len,
10366                                 const u8 *ies, size_t ies_len)
10367 {
10368         struct i802_bss *bss = priv;
10369         struct wpa_driver_nl80211_data *drv = bss->drv;
10370         struct nl_msg *msg;
10371         struct nlattr *container;
10372         int ret;
10373
10374         wpa_printf(MSG_DEBUG,
10375                    "nl80211: Start P2P Listen offload: freq=%u, period=%u, interval=%u, count=%u",
10376                    freq, period, interval, count);
10377
10378         if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
10379                 return -1;
10380
10381         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10382             nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10383             nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10384                         QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_START))
10385                 goto fail;
10386
10387         container = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10388         if (!container)
10389                 goto fail;
10390
10391         if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_CHANNEL,
10392                         freq) ||
10393             nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_PERIOD,
10394                         period) ||
10395             nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_INTERVAL,
10396                         interval) ||
10397             nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_COUNT,
10398                         count) ||
10399             nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_DEVICE_TYPES,
10400                     dev_types_len, device_types) ||
10401             nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_VENDOR_IE,
10402                     ies_len, ies))
10403                 goto fail;
10404
10405         nla_nest_end(msg, container);
10406         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10407         msg = NULL;
10408         if (ret) {
10409                 wpa_printf(MSG_DEBUG,
10410                            "nl80211: Failed to send P2P Listen offload vendor command");
10411                 goto fail;
10412         }
10413
10414         return 0;
10415
10416 fail:
10417         nlmsg_free(msg);
10418         return -1;
10419 }
10420
10421
10422 static int nl80211_p2p_lo_stop(void *priv)
10423 {
10424         struct i802_bss *bss = priv;
10425         struct wpa_driver_nl80211_data *drv = bss->drv;
10426         struct nl_msg *msg;
10427
10428         wpa_printf(MSG_DEBUG, "nl80211: Stop P2P Listen offload");
10429
10430         if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
10431                 return -1;
10432
10433         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10434             nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10435             nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10436                         QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP)) {
10437                 nlmsg_free(msg);
10438                 return -1;
10439         }
10440
10441         return send_and_recv_msgs(drv, msg, NULL, NULL);
10442 }
10443
10444
10445 static int nl80211_set_tdls_mode(void *priv, int tdls_external_control)
10446 {
10447         struct i802_bss *bss = priv;
10448         struct wpa_driver_nl80211_data *drv = bss->drv;
10449         struct nl_msg *msg;
10450         struct nlattr *params;
10451         int ret;
10452         u32 tdls_mode;
10453
10454         wpa_printf(MSG_DEBUG,
10455                    "nl80211: Set TDKS mode: tdls_external_control=%d",
10456                    tdls_external_control);
10457
10458         if (tdls_external_control == 1)
10459                 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_IMPLICIT |
10460                         QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXTERNAL;
10461         else
10462                 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXPLICIT;
10463
10464         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10465             nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10466             nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10467                         QCA_NL80211_VENDOR_SUBCMD_CONFIGURE_TDLS))
10468                 goto fail;
10469
10470         params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10471         if (!params)
10472                 goto fail;
10473
10474         if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TDLS_CONFIG_TRIGGER_MODE,
10475                         tdls_mode))
10476                 goto fail;
10477
10478         nla_nest_end(msg, params);
10479
10480         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10481         msg = NULL;
10482         if (ret) {
10483                 wpa_printf(MSG_ERROR,
10484                            "nl80211: Set TDLS mode failed: ret=%d (%s)",
10485                            ret, strerror(-ret));
10486                 goto fail;
10487         }
10488         return 0;
10489 fail:
10490         nlmsg_free(msg);
10491         return -1;
10492 }
10493
10494
10495 #ifdef CONFIG_MBO
10496
10497 static enum mbo_transition_reject_reason
10498 nl80211_mbo_reject_reason_mapping(enum qca_wlan_btm_candidate_status status)
10499 {
10500         switch (status) {
10501         case QCA_STATUS_REJECT_EXCESSIVE_FRAME_LOSS_EXPECTED:
10502                 return MBO_TRANSITION_REJECT_REASON_FRAME_LOSS;
10503         case QCA_STATUS_REJECT_EXCESSIVE_DELAY_EXPECTED:
10504                 return MBO_TRANSITION_REJECT_REASON_DELAY;
10505         case QCA_STATUS_REJECT_INSUFFICIENT_QOS_CAPACITY:
10506                 return MBO_TRANSITION_REJECT_REASON_QOS_CAPACITY;
10507         case QCA_STATUS_REJECT_LOW_RSSI:
10508                 return MBO_TRANSITION_REJECT_REASON_RSSI;
10509         case QCA_STATUS_REJECT_HIGH_INTERFERENCE:
10510                 return MBO_TRANSITION_REJECT_REASON_INTERFERENCE;
10511         case QCA_STATUS_REJECT_UNKNOWN:
10512         default:
10513                 return MBO_TRANSITION_REJECT_REASON_UNSPECIFIED;
10514         }
10515 }
10516
10517
10518 static void nl80211_parse_btm_candidate_info(struct candidate_list *candidate,
10519                                              struct nlattr *tb[], int num)
10520 {
10521         enum qca_wlan_btm_candidate_status status;
10522         char buf[50];
10523
10524         os_memcpy(candidate->bssid,
10525                   nla_data(tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID]),
10526                   ETH_ALEN);
10527
10528         status = nla_get_u32(
10529                 tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS]);
10530         candidate->is_accept = status == QCA_STATUS_ACCEPT;
10531         candidate->reject_reason = nl80211_mbo_reject_reason_mapping(status);
10532
10533         if (candidate->is_accept)
10534                 os_snprintf(buf, sizeof(buf), "Accepted");
10535         else
10536                 os_snprintf(buf, sizeof(buf),
10537                             "Rejected, Reject_reason: %d",
10538                             candidate->reject_reason);
10539         wpa_printf(MSG_DEBUG, "nl80211:   BSSID[%d]: " MACSTR " %s",
10540                    num, MAC2STR(candidate->bssid), buf);
10541 }
10542
10543
10544 static int
10545 nl80211_get_bss_transition_status_handler(struct nl_msg *msg, void *arg)
10546 {
10547         struct wpa_bss_candidate_info *info = arg;
10548         struct candidate_list *candidate = info->candidates;
10549         struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
10550         struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
10551         struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1];
10552         static struct nla_policy policy[
10553                 QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1] = {
10554                 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] = {
10555                         .minlen = ETH_ALEN
10556                 },
10557                 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS] = {
10558                         .type = NLA_U32,
10559                 },
10560         };
10561         struct nlattr *attr;
10562         int rem;
10563         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10564         u8 num;
10565
10566         num = info->num; /* number of candidates sent to driver */
10567         info->num = 0;
10568         nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10569                   genlmsg_attrlen(gnlh, 0), NULL);
10570
10571         if (!tb_msg[NL80211_ATTR_VENDOR_DATA] ||
10572             nla_parse_nested(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
10573                              tb_msg[NL80211_ATTR_VENDOR_DATA], NULL) ||
10574             !tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO])
10575                 return NL_SKIP;
10576
10577         wpa_printf(MSG_DEBUG,
10578                    "nl80211: WNM Candidate list received from driver");
10579         nla_for_each_nested(attr,
10580                             tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO],
10581                             rem) {
10582                 if (info->num >= num ||
10583                     nla_parse_nested(
10584                             tb, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX,
10585                             attr, policy) ||
10586                     !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] ||
10587                     !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS])
10588                         break;
10589
10590                 nl80211_parse_btm_candidate_info(candidate, tb, info->num);
10591
10592                 candidate++;
10593                 info->num++;
10594         }
10595
10596         return NL_SKIP;
10597 }
10598
10599
10600 static struct wpa_bss_candidate_info *
10601 nl80211_get_bss_transition_status(void *priv, struct wpa_bss_trans_info *params)
10602 {
10603         struct i802_bss *bss = priv;
10604         struct wpa_driver_nl80211_data *drv = bss->drv;
10605         struct nl_msg *msg;
10606         struct nlattr *attr, *attr1, *attr2;
10607         struct wpa_bss_candidate_info *info;
10608         u8 i;
10609         int ret;
10610         u8 *pos;
10611
10612         if (!drv->fetch_bss_trans_status)
10613                 return NULL;
10614
10615         info = os_zalloc(sizeof(*info));
10616         if (!info)
10617                 return NULL;
10618         /* Allocate memory for number of candidates sent to driver */
10619         info->candidates = os_calloc(params->n_candidates,
10620                                      sizeof(*info->candidates));
10621         if (!info->candidates) {
10622                 os_free(info);
10623                 return NULL;
10624         }
10625
10626         /* Copy the number of candidates being sent to driver. This is used in
10627          * nl80211_get_bss_transition_status_handler() to limit the number of
10628          * candidates that can be populated in info->candidates and will be
10629          * later overwritten with the actual number of candidates received from
10630          * the driver.
10631          */
10632         info->num = params->n_candidates;
10633
10634         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10635             nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10636             nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10637                         QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS))
10638                 goto fail;
10639
10640         attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10641         if (!attr)
10642                 goto fail;
10643
10644         if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_BTM_MBO_TRANSITION_REASON,
10645                        params->mbo_transition_reason))
10646                 goto fail;
10647
10648         attr1 = nla_nest_start(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO);
10649         if (!attr1)
10650                 goto fail;
10651
10652         wpa_printf(MSG_DEBUG,
10653                    "nl80211: WNM Candidate list info sending to driver: mbo_transition_reason: %d n_candidates: %d",
10654                    params->mbo_transition_reason, params->n_candidates);
10655         pos = params->bssid;
10656         for (i = 0; i < params->n_candidates; i++) {
10657                 wpa_printf(MSG_DEBUG, "nl80211:   BSSID[%d]: " MACSTR, i,
10658                            MAC2STR(pos));
10659                 attr2 = nla_nest_start(msg, i);
10660                 if (!attr2 ||
10661                     nla_put(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID,
10662                             ETH_ALEN, pos))
10663                         goto fail;
10664                 pos += ETH_ALEN;
10665                 nla_nest_end(msg, attr2);
10666         }
10667
10668         nla_nest_end(msg, attr1);
10669         nla_nest_end(msg, attr);
10670
10671         ret = send_and_recv_msgs(drv, msg,
10672                                  nl80211_get_bss_transition_status_handler,
10673                                  info);
10674         msg = NULL;
10675         if (ret) {
10676                 wpa_printf(MSG_ERROR,
10677                            "nl80211: WNM Get BSS transition status failed: ret=%d (%s)",
10678                            ret, strerror(-ret));
10679                 goto fail;
10680         }
10681         return info;
10682
10683 fail:
10684         nlmsg_free(msg);
10685         os_free(info->candidates);
10686         os_free(info);
10687         return NULL;
10688 }
10689
10690
10691 /**
10692  * nl80211_ignore_assoc_disallow - Configure driver to ignore assoc_disallow
10693  * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
10694  * @ignore_assoc_disallow: 0 to not ignore, 1 to ignore
10695  * Returns: 0 on success, -1 on failure
10696  */
10697 static int nl80211_ignore_assoc_disallow(void *priv, int ignore_disallow)
10698 {
10699         struct i802_bss *bss = priv;
10700         struct wpa_driver_nl80211_data *drv = bss->drv;
10701         struct nl_msg *msg;
10702         struct nlattr *attr;
10703         int ret = -1;
10704
10705         if (!drv->set_wifi_conf_vendor_cmd_avail)
10706                 return -1;
10707
10708         if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10709             nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10710             nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10711                         QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION))
10712                 goto fail;
10713
10714         attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10715         if (!attr)
10716                 goto fail;
10717
10718         wpa_printf(MSG_DEBUG, "nl80211: Set ignore_assoc_disallow %d",
10719                    ignore_disallow);
10720         if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_IGNORE_ASSOC_DISALLOWED,
10721                        ignore_disallow))
10722                 goto fail;
10723
10724         nla_nest_end(msg, attr);
10725
10726         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10727         msg = NULL;
10728         if (ret) {
10729                 wpa_printf(MSG_ERROR,
10730                            "nl80211: Set ignore_assoc_disallow failed: ret=%d (%s)",
10731                            ret, strerror(-ret));
10732                 goto fail;
10733         }
10734
10735 fail:
10736         nlmsg_free(msg);
10737         return ret;
10738 }
10739
10740 #endif /* CONFIG_MBO */
10741
10742 #endif /* CONFIG_DRIVER_NL80211_QCA */
10743
10744
10745 static int nl80211_write_to_file(const char *name, unsigned int val)
10746 {
10747         int fd, len;
10748         char tmp[128];
10749         int ret = 0;
10750
10751         fd = open(name, O_RDWR);
10752         if (fd < 0) {
10753                 int level;
10754                 /*
10755                  * Flags may not exist on older kernels, or while we're tearing
10756                  * down a disappearing device.
10757                  */
10758                 if (errno == ENOENT) {
10759                         ret = 0;
10760                         level = MSG_DEBUG;
10761                 } else {
10762                         ret = -1;
10763                         level = MSG_ERROR;
10764                 }
10765                 wpa_printf(level, "nl80211: Failed to open %s: %s",
10766                            name, strerror(errno));
10767                 return ret;
10768         }
10769
10770         len = os_snprintf(tmp, sizeof(tmp), "%u\n", val);
10771         len = write(fd, tmp, len);
10772         if (len < 0) {
10773                 ret = -1;
10774                 wpa_printf(MSG_ERROR, "nl80211: Failed to write to %s: %s",
10775                            name, strerror(errno));
10776         }
10777         close(fd);
10778
10779         return ret;
10780 }
10781
10782
10783 static int nl80211_configure_data_frame_filters(void *priv, u32 filter_flags)
10784 {
10785         struct i802_bss *bss = priv;
10786         char path[128];
10787         int ret;
10788
10789         wpa_printf(MSG_DEBUG, "nl80211: Data frame filter flags=0x%x",
10790                    filter_flags);
10791
10792         /* Configure filtering of unicast frame encrypted using GTK */
10793         ret = os_snprintf(path, sizeof(path),
10794                           "/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
10795                           bss->ifname);
10796         if (os_snprintf_error(sizeof(path), ret))
10797                 return -1;
10798
10799         ret = nl80211_write_to_file(path,
10800                                     !!(filter_flags &
10801                                        WPA_DATA_FRAME_FILTER_FLAG_GTK));
10802         if (ret) {
10803                 wpa_printf(MSG_ERROR,
10804                            "nl80211: Failed to set IPv4 unicast in multicast filter");
10805                 return ret;
10806         }
10807
10808         os_snprintf(path, sizeof(path),
10809                     "/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast",
10810                     bss->ifname);
10811         ret = nl80211_write_to_file(path,
10812                                     !!(filter_flags &
10813                                        WPA_DATA_FRAME_FILTER_FLAG_GTK));
10814
10815         if (ret) {
10816                 wpa_printf(MSG_ERROR,
10817                            "nl80211: Failed to set IPv6 unicast in multicast filter");
10818                 return ret;
10819         }
10820
10821         /* Configure filtering of unicast frame encrypted using GTK */
10822         os_snprintf(path, sizeof(path),
10823                     "/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp",
10824                     bss->ifname);
10825         ret = nl80211_write_to_file(path,
10826                                     !!(filter_flags &
10827                                        WPA_DATA_FRAME_FILTER_FLAG_ARP));
10828         if (ret) {
10829                 wpa_printf(MSG_ERROR,
10830                            "nl80211: Failed set gratuitous ARP filter");
10831                 return ret;
10832         }
10833
10834         /* Configure filtering of IPv6 NA frames */
10835         os_snprintf(path, sizeof(path),
10836                     "/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na",
10837                     bss->ifname);
10838         ret = nl80211_write_to_file(path,
10839                                     !!(filter_flags &
10840                                        WPA_DATA_FRAME_FILTER_FLAG_NA));
10841         if (ret) {
10842                 wpa_printf(MSG_ERROR,
10843                            "nl80211: Failed to set unsolicited NA filter");
10844                 return ret;
10845         }
10846
10847         return 0;
10848 }
10849
10850
10851 static int nl80211_get_ext_capab(void *priv, enum wpa_driver_if_type type,
10852                                  const u8 **ext_capa, const u8 **ext_capa_mask,
10853                                  unsigned int *ext_capa_len)
10854 {
10855         struct i802_bss *bss = priv;
10856         struct wpa_driver_nl80211_data *drv = bss->drv;
10857         enum nl80211_iftype nlmode;
10858         unsigned int i;
10859
10860         if (!ext_capa || !ext_capa_mask || !ext_capa_len)
10861                 return -1;
10862
10863         nlmode = wpa_driver_nl80211_if_type(type);
10864
10865         /* By default, use the per-radio values */
10866         *ext_capa = drv->extended_capa;
10867         *ext_capa_mask = drv->extended_capa_mask;
10868         *ext_capa_len = drv->extended_capa_len;
10869
10870         /* Replace the default value if a per-interface type value exists */
10871         for (i = 0; i < drv->num_iface_ext_capa; i++) {
10872                 if (nlmode == drv->iface_ext_capa[i].iftype) {
10873                         *ext_capa = drv->iface_ext_capa[i].ext_capa;
10874                         *ext_capa_mask = drv->iface_ext_capa[i].ext_capa_mask;
10875                         *ext_capa_len = drv->iface_ext_capa[i].ext_capa_len;
10876                         break;
10877                 }
10878         }
10879
10880         return 0;
10881 }
10882
10883
10884 static int nl80211_update_connection_params(
10885         void *priv, struct wpa_driver_associate_params *params,
10886         enum wpa_drv_update_connect_params_mask mask)
10887 {
10888         struct i802_bss *bss = priv;
10889         struct wpa_driver_nl80211_data *drv = bss->drv;
10890         struct nl_msg *msg;
10891         int ret = -1;
10892         enum nl80211_auth_type type;
10893
10894         msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_CONNECT_PARAMS);
10895         if (!msg)
10896                 goto fail;
10897
10898         wpa_printf(MSG_DEBUG, "nl80211: Update connection params (ifindex=%d)",
10899                    drv->ifindex);
10900
10901         if ((mask & WPA_DRV_UPDATE_ASSOC_IES) && params->wpa_ie) {
10902                 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
10903                             params->wpa_ie))
10904                         goto fail;
10905                 wpa_hexdump(MSG_DEBUG, "  * IEs", params->wpa_ie,
10906                             params->wpa_ie_len);
10907         }
10908
10909         if (mask & WPA_DRV_UPDATE_AUTH_TYPE) {
10910                 type = get_nl_auth_type(params->auth_alg);
10911                 if (type == NL80211_AUTHTYPE_MAX ||
10912                     nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
10913                         goto fail;
10914                 wpa_printf(MSG_DEBUG, "  * Auth Type %d", type);
10915         }
10916
10917         if ((mask & WPA_DRV_UPDATE_FILS_ERP_INFO) &&
10918             nl80211_put_fils_connect_params(drv, params, msg))
10919                 goto fail;
10920
10921         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10922         msg = NULL;
10923         if (ret)
10924                 wpa_dbg(drv->ctx, MSG_DEBUG,
10925                         "nl80211: Update connect params command failed: ret=%d (%s)",
10926                         ret, strerror(-ret));
10927
10928 fail:
10929         nlmsg_free(msg);
10930         return ret;
10931 }
10932
10933
10934 static int nl80211_send_external_auth_status(void *priv,
10935                                              struct external_auth *params)
10936 {
10937         struct i802_bss *bss = priv;
10938         struct wpa_driver_nl80211_data *drv = bss->drv;
10939         struct nl_msg *msg = NULL;
10940         int ret = -1;
10941
10942         /* External auth command/status is intended for drivers that implement
10943          * intenral SME but want to offload authentication processing (e.g.,
10944          * SAE) to hostapd/wpa_supplicant. Do nott send the status to drivers
10945          * which do not support AP SME or use wpa_supplicant/hostapd SME.
10946          */
10947         if ((is_ap_interface(drv->nlmode) && !bss->drv->device_ap_sme) ||
10948             (drv->capa.flags & WPA_DRIVER_FLAGS_SME))
10949                 return -1;
10950
10951         wpa_dbg(drv->ctx, MSG_DEBUG,
10952                 "nl80211: External auth status: %u", params->status);
10953
10954         msg = nl80211_drv_msg(drv, 0, NL80211_CMD_EXTERNAL_AUTH);
10955         if (!msg ||
10956             nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, params->status) ||
10957             (params->ssid && params->ssid_len &&
10958              nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
10959             (params->pmkid &&
10960              nla_put(msg, NL80211_ATTR_PMKID, PMKID_LEN, params->pmkid)) ||
10961             (params->bssid &&
10962              nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid)))
10963                 goto fail;
10964         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10965         msg = NULL;
10966         if (ret) {
10967                 wpa_printf(MSG_DEBUG,
10968                            "nl80211: External Auth status update failed: ret=%d (%s)",
10969                            ret, strerror(-ret));
10970                 goto fail;
10971         }
10972 fail:
10973         nlmsg_free(msg);
10974         return ret;
10975 }
10976
10977
10978 static int nl80211_set_4addr_mode(void *priv, const char *bridge_ifname,
10979                                   int val)
10980 {
10981         struct i802_bss *bss = priv;
10982         struct wpa_driver_nl80211_data *drv = bss->drv;
10983         struct nl_msg *msg;
10984         int ret = -ENOBUFS;
10985
10986         wpa_printf(MSG_DEBUG, "nl80211: %s 4addr mode (bridge_ifname: %s)",
10987                    val ? "Enable" : "Disable", bridge_ifname);
10988
10989         msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
10990         if (!msg || nla_put_u8(msg, NL80211_ATTR_4ADDR, val))
10991                 goto fail;
10992
10993         if (bridge_ifname[0] && bss->added_if_into_bridge && !val) {
10994                 if (linux_br_del_if(drv->global->ioctl_sock,
10995                                     bridge_ifname, bss->ifname)) {
10996                         wpa_printf(MSG_ERROR,
10997                                    "nl80211: Failed to remove interface %s from bridge %s",
10998                                    bss->ifname, bridge_ifname);
10999                         return -1;
11000                 }
11001                 bss->added_if_into_bridge = 0;
11002         }
11003
11004         ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11005         msg = NULL;
11006         if (!ret) {
11007                 if (bridge_ifname[0] && val &&
11008                     i802_check_bridge(drv, bss, bridge_ifname, bss->ifname) < 0)
11009                         return -1;
11010                 return 0;
11011         }
11012
11013 fail:
11014         nlmsg_free(msg);
11015         wpa_printf(MSG_ERROR, "nl80211: Failed to enable/disable 4addr");
11016
11017         return ret;
11018 }
11019
11020
11021 const struct wpa_driver_ops wpa_driver_nl80211_ops = {
11022         .name = "nl80211",
11023         .desc = "Linux nl80211/cfg80211",
11024         .get_bssid = wpa_driver_nl80211_get_bssid,
11025         .get_ssid = wpa_driver_nl80211_get_ssid,
11026         .set_key = driver_nl80211_set_key,
11027         .scan2 = driver_nl80211_scan2,
11028         .sched_scan = wpa_driver_nl80211_sched_scan,
11029         .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
11030         .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
11031         .abort_scan = wpa_driver_nl80211_abort_scan,
11032         .deauthenticate = driver_nl80211_deauthenticate,
11033         .authenticate = driver_nl80211_authenticate,
11034         .associate = wpa_driver_nl80211_associate,
11035         .global_init = nl80211_global_init,
11036         .global_deinit = nl80211_global_deinit,
11037         .init2 = wpa_driver_nl80211_init,
11038         .deinit = driver_nl80211_deinit,
11039         .get_capa = wpa_driver_nl80211_get_capa,
11040         .set_operstate = wpa_driver_nl80211_set_operstate,
11041         .set_supp_port = wpa_driver_nl80211_set_supp_port,
11042         .set_country = wpa_driver_nl80211_set_country,
11043         .get_country = wpa_driver_nl80211_get_country,
11044         .set_ap = wpa_driver_nl80211_set_ap,
11045         .set_acl = wpa_driver_nl80211_set_acl,
11046         .if_add = wpa_driver_nl80211_if_add,
11047         .if_remove = driver_nl80211_if_remove,
11048         .send_mlme = driver_nl80211_send_mlme,
11049         .get_hw_feature_data = nl80211_get_hw_feature_data,
11050         .sta_add = wpa_driver_nl80211_sta_add,
11051         .sta_remove = driver_nl80211_sta_remove,
11052         .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
11053         .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
11054         .sta_set_airtime_weight = driver_nl80211_sta_set_airtime_weight,
11055         .hapd_init = i802_init,
11056         .hapd_deinit = i802_deinit,
11057         .set_wds_sta = i802_set_wds_sta,
11058         .get_seqnum = i802_get_seqnum,
11059         .flush = i802_flush,
11060         .get_inact_sec = i802_get_inact_sec,
11061         .sta_clear_stats = i802_sta_clear_stats,
11062         .set_rts = i802_set_rts,
11063         .set_frag = i802_set_frag,
11064         .set_tx_queue_params = i802_set_tx_queue_params,
11065         .set_sta_vlan = driver_nl80211_set_sta_vlan,
11066         .sta_deauth = i802_sta_deauth,
11067         .sta_disassoc = i802_sta_disassoc,
11068         .read_sta_data = driver_nl80211_read_sta_data,
11069         .set_freq = i802_set_freq,
11070         .send_action = driver_nl80211_send_action,
11071         .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
11072         .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
11073         .cancel_remain_on_channel =
11074         wpa_driver_nl80211_cancel_remain_on_channel,
11075         .probe_req_report = driver_nl80211_probe_req_report,
11076         .deinit_ap = wpa_driver_nl80211_deinit_ap,
11077         .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
11078         .resume = wpa_driver_nl80211_resume,
11079         .signal_monitor = nl80211_signal_monitor,
11080         .signal_poll = nl80211_signal_poll,
11081         .channel_info = nl80211_channel_info,
11082         .send_frame = nl80211_send_frame,
11083         .set_param = nl80211_set_param,
11084         .get_radio_name = nl80211_get_radio_name,
11085         .add_pmkid = nl80211_add_pmkid,
11086         .remove_pmkid = nl80211_remove_pmkid,
11087         .flush_pmkid = nl80211_flush_pmkid,
11088         .set_rekey_info = nl80211_set_rekey_info,
11089         .poll_client = nl80211_poll_client,
11090         .set_p2p_powersave = nl80211_set_p2p_powersave,
11091         .start_dfs_cac = nl80211_start_radar_detection,
11092         .stop_ap = wpa_driver_nl80211_stop_ap,
11093 #ifdef CONFIG_TDLS
11094         .send_tdls_mgmt = nl80211_send_tdls_mgmt,
11095         .tdls_oper = nl80211_tdls_oper,
11096         .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
11097         .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
11098 #endif /* CONFIG_TDLS */
11099         .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
11100         .update_dh_ie = nl80211_update_dh_ie,
11101         .get_mac_addr = wpa_driver_nl80211_get_macaddr,
11102         .get_survey = wpa_driver_nl80211_get_survey,
11103         .status = wpa_driver_nl80211_status,
11104         .switch_channel = nl80211_switch_channel,
11105 #ifdef ANDROID_P2P
11106         .set_noa = wpa_driver_set_p2p_noa,
11107         .get_noa = wpa_driver_get_p2p_noa,
11108         .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
11109 #endif /* ANDROID_P2P */
11110 #ifdef ANDROID
11111 #ifndef ANDROID_LIB_STUB
11112         .driver_cmd = wpa_driver_nl80211_driver_cmd,
11113 #endif /* !ANDROID_LIB_STUB */
11114 #endif /* ANDROID */
11115         .vendor_cmd = nl80211_vendor_cmd,
11116         .set_qos_map = nl80211_set_qos_map,
11117         .set_wowlan = nl80211_set_wowlan,
11118         .set_mac_addr = nl80211_set_mac_addr,
11119 #ifdef CONFIG_MESH
11120         .init_mesh = wpa_driver_nl80211_init_mesh,
11121         .join_mesh = wpa_driver_nl80211_join_mesh,
11122         .leave_mesh = wpa_driver_nl80211_leave_mesh,
11123         .probe_mesh_link = nl80211_probe_mesh_link,
11124 #endif /* CONFIG_MESH */
11125         .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
11126         .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
11127         .br_port_set_attr = wpa_driver_br_port_set_attr,
11128         .br_set_net_param = wpa_driver_br_set_net_param,
11129         .add_tx_ts = nl80211_add_ts,
11130         .del_tx_ts = nl80211_del_ts,
11131         .get_ifindex = nl80211_get_ifindex,
11132 #ifdef CONFIG_DRIVER_NL80211_QCA
11133         .roaming = nl80211_roaming,
11134         .disable_fils = nl80211_disable_fils,
11135         .do_acs = wpa_driver_do_acs,
11136         .set_band = nl80211_set_band,
11137         .get_pref_freq_list = nl80211_get_pref_freq_list,
11138         .set_prob_oper_freq = nl80211_set_prob_oper_freq,
11139         .p2p_lo_start = nl80211_p2p_lo_start,
11140         .p2p_lo_stop = nl80211_p2p_lo_stop,
11141         .set_default_scan_ies = nl80211_set_default_scan_ies,
11142         .set_tdls_mode = nl80211_set_tdls_mode,
11143 #ifdef CONFIG_MBO
11144         .get_bss_transition_status = nl80211_get_bss_transition_status,
11145         .ignore_assoc_disallow = nl80211_ignore_assoc_disallow,
11146 #endif /* CONFIG_MBO */
11147         .set_bssid_blacklist = nl80211_set_bssid_blacklist,
11148 #endif /* CONFIG_DRIVER_NL80211_QCA */
11149         .configure_data_frame_filters = nl80211_configure_data_frame_filters,
11150         .get_ext_capab = nl80211_get_ext_capab,
11151         .update_connect_params = nl80211_update_connection_params,
11152         .send_external_auth_status = nl80211_send_external_auth_status,
11153         .set_4addr_mode = nl80211_set_4addr_mode,
11154 };