sys/dev/netif/ndis/if_ndis.c

   1 /*
   2  * Copyright (c) 2003
   3  *      Bill Paul <wpaul@windriver.com>.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by Bill Paul.
  16  * 4. Neither the name of the author nor the names of any co-contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
  24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  30  * THE POSSIBILITY OF SUCH DAMAGE.
  31  *
  32  * $FreeBSD: src/sys/dev/if_ndis/if_ndis.c,v 1.65 2004/07/07 17:46:30 wpaul Exp $
  33  * $DragonFly: src/sys/dev/netif/ndis/if_ndis.c,v 1.19 2006/10/25 20:55:58 dillon Exp $
  34  */
  35
  36 #include <sys/param.h>
  37 #include <sys/systm.h>
  38 #include <sys/sockio.h>
  39 #include <sys/mbuf.h>
  40 #include <sys/malloc.h>
  41 #include <sys/kernel.h>
  42 #include <sys/socket.h>
  43 #include <sys/queue.h>
  44 #include <sys/proc.h>
  45 #include <sys/sysctl.h>
  46 #include <sys/bus.h>
  47 #include <sys/rman.h>
  48 #include <sys/serialize.h>
  49 #include <sys/thread2.h>
  50
  51 #include <net/if.h>
  52 #include <net/ifq_var.h>
  53 #include <net/if_arp.h>
  54 #include <net/ethernet.h>
  55 #include <net/if_dl.h>
  56 #include <net/if_media.h>
  57 #include <net/route.h>
  58
  59 #include <net/bpf.h>
  60
  61 #include <netproto/802_11/ieee80211_var.h>
  62 #include <netproto/802_11/ieee80211_ioctl.h>
  63
  64 #include <netproto/802_11/if_wavelan_ieee.h>
  65
  66 #include <bus/pci/pcireg.h>
  67 #include <bus/pci/pcivar.h>
  68
  69 #include <emulation/ndis/regcall.h>
  70 #include <emulation/ndis/pe_var.h>
  71 #include <emulation/ndis/resource_var.h>
  72 #include <emulation/ndis/ntoskrnl_var.h>
  73 #include <emulation/ndis/hal_var.h>
  74 #include <emulation/ndis/ndis_var.h>
  75 #include <emulation/ndis/cfg_var.h>
  76 #include "if_ndisvar.h"
  77
  78 #define NDIS_IMAGE
  79 #define NDIS_REGVALS
  80
  81 #include "ndis_driver_data.h"
  82
  83 int ndis_attach                 (device_t);
  84 int ndis_detach                 (device_t);
  85 int ndis_suspend                (device_t);
  86 int ndis_resume                 (device_t);
  87 void ndis_shutdown              (device_t);
  88
  89 static __stdcall void ndis_txeof        (ndis_handle,
  90         ndis_packet *, ndis_status);
  91 static __stdcall void ndis_rxeof        (ndis_handle,
  92         ndis_packet **, uint32_t);
  93 static __stdcall void ndis_linksts      (ndis_handle,
  94         ndis_status, void *, uint32_t);
  95 static __stdcall void ndis_linksts_done (ndis_handle);
  96
  97 static void ndis_intr           (void *);
  98 static void ndis_intrtask       (void *);
  99 static void ndis_tick           (void *);
 100 static void ndis_ticktask       (void *);
 101 static void ndis_start          (struct ifnet *);
 102 static void ndis_starttask      (void *);
 103 static int ndis_ioctl           (struct ifnet *, u_long, caddr_t, struct ucred *);
 104 static int ndis_wi_ioctl_get    (struct ifnet *, u_long, caddr_t);
 105 static int ndis_wi_ioctl_set    (struct ifnet *, u_long, caddr_t);
 106 static void ndis_init           (void *);
 107 static void ndis_stop           (struct ndis_softc *);
 108 static void ndis_watchdog       (struct ifnet *);
 109 static int ndis_ifmedia_upd     (struct ifnet *);
 110 static void ndis_ifmedia_sts    (struct ifnet *, struct ifmediareq *);
 111 static int ndis_get_assoc       (struct ndis_softc *, ndis_wlan_bssid_ex **);
 112 static int ndis_probe_offload   (struct ndis_softc *);
 113 static int ndis_set_offload     (struct ndis_softc *);
 114 static void ndis_getstate_80211 (struct ndis_softc *);
 115 static void ndis_setstate_80211 (struct ndis_softc *);
 116 static void ndis_media_status   (struct ifnet *, struct ifmediareq *);
 117
 118 static void ndis_setmulti       (struct ndis_softc *);
 119 static void ndis_map_sclist     (void *, bus_dma_segment_t *,
 120         int, bus_size_t, int);
 121
 122 /*
 123  * Program the 64-bit multicast hash filter.
 124  */
 125 static void
 126 ndis_setmulti(struct ndis_softc *sc)
 127 {
 128         struct ifnet            *ifp;
 129         struct ifmultiaddr      *ifma;
 130         int                     len, mclistsz, error;
 131         uint8_t                 *mclist;
 132
 133         ifp = &sc->arpcom.ac_if;
 134
 135         if (!NDIS_INITIALIZED(sc))
 136                 return;
 137
 138         if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) {
 139                 sc->ndis_filter |= NDIS_PACKET_TYPE_ALL_MULTICAST;
 140                 len = sizeof(sc->ndis_filter);
 141                 error = ndis_set_info(sc, OID_GEN_CURRENT_PACKET_FILTER,
 142                     &sc->ndis_filter, &len);
 143                 if (error)
 144                         device_printf (sc->ndis_dev,
 145                             "set filter failed: %d\n", error);
 146                 return;
 147         }
 148
 149         if (LIST_EMPTY(&ifp->if_multiaddrs))
 150                 return;
 151
 152         len = sizeof(mclistsz);
 153         ndis_get_info(sc, OID_802_3_MAXIMUM_LIST_SIZE, &mclistsz, &len);
 154
 155         mclist = kmalloc(ETHER_ADDR_LEN * mclistsz, M_TEMP, M_NOWAIT|M_ZERO);
 156
 157         if (mclist == NULL) {
 158                 sc->ndis_filter |= NDIS_PACKET_TYPE_ALL_MULTICAST;
 159                 goto out;
 160         }
 161
 162         sc->ndis_filter |= NDIS_PACKET_TYPE_MULTICAST;
 163
 164         len = 0;
 165         LIST_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
 166                 if (ifma->ifma_addr->sa_family != AF_LINK)
 167                         continue;
 168                 bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr),
 169                     mclist + (ETHER_ADDR_LEN * len), ETHER_ADDR_LEN);
 170                 len++;
 171                 if (len > mclistsz) {
 172                         sc->ndis_filter |= NDIS_PACKET_TYPE_ALL_MULTICAST;
 173                         sc->ndis_filter &= ~NDIS_PACKET_TYPE_MULTICAST;
 174                         goto out;
 175                 }
 176         }
 177
 178         len = len * ETHER_ADDR_LEN;
 179         error = ndis_set_info(sc, OID_802_3_MULTICAST_LIST, mclist, &len);
 180         if (error) {
 181                 device_printf (sc->ndis_dev, "set mclist failed: %d\n", error);
 182                 sc->ndis_filter |= NDIS_PACKET_TYPE_ALL_MULTICAST;
 183                 sc->ndis_filter &= ~NDIS_PACKET_TYPE_MULTICAST;
 184         }
 185
 186 out:
 187         kfree(mclist, M_TEMP);
 188
 189         len = sizeof(sc->ndis_filter);
 190         error = ndis_set_info(sc, OID_GEN_CURRENT_PACKET_FILTER,
 191             &sc->ndis_filter, &len);
 192         if (error)
 193                 device_printf (sc->ndis_dev, "set filter failed: %d\n", error);
 194 }
 195
 196 static int
 197 ndis_set_offload(struct ndis_softc *sc)
 198 {
 199         ndis_task_offload       *nto;
 200         ndis_task_offload_hdr   *ntoh;
 201         ndis_task_tcpip_csum    *nttc;
 202         struct ifnet            *ifp;
 203         int                     len, error;
 204
 205         ifp = &sc->arpcom.ac_if;
 206
 207         if (!NDIS_INITIALIZED(sc))
 208                 return(EINVAL);
 209
 210         /* See if there's anything to set. */
 211
 212         error = ndis_probe_offload(sc);
 213         if (error)
 214                 return(error);
 215
 216         if (sc->ndis_hwassist == 0 && ifp->if_capabilities == 0)
 217                 return(0);
 218
 219         len = sizeof(ndis_task_offload_hdr) + sizeof(ndis_task_offload) +
 220             sizeof(ndis_task_tcpip_csum);
 221
 222         ntoh = kmalloc(len, M_TEMP, M_NOWAIT|M_ZERO);
 223
 224         if (ntoh == NULL)
 225                 return(ENOMEM);
 226
 227         ntoh->ntoh_vers = NDIS_TASK_OFFLOAD_VERSION;
 228         ntoh->ntoh_len = sizeof(ndis_task_offload_hdr);
 229         ntoh->ntoh_offset_firsttask = sizeof(ndis_task_offload_hdr);
 230         ntoh->ntoh_encapfmt.nef_encaphdrlen = sizeof(struct ether_header);
 231         ntoh->ntoh_encapfmt.nef_encap = NDIS_ENCAP_IEEE802_3;
 232         ntoh->ntoh_encapfmt.nef_flags = NDIS_ENCAPFLAG_FIXEDHDRLEN;
 233
 234         nto = (ndis_task_offload *)((char *)ntoh +
 235             ntoh->ntoh_offset_firsttask);
 236
 237         nto->nto_vers = NDIS_TASK_OFFLOAD_VERSION;
 238         nto->nto_len = sizeof(ndis_task_offload);
 239         nto->nto_task = NDIS_TASK_TCPIP_CSUM;
 240         nto->nto_offset_nexttask = 0;
 241         nto->nto_taskbuflen = sizeof(ndis_task_tcpip_csum);
 242
 243         nttc = (ndis_task_tcpip_csum *)nto->nto_taskbuf;
 244
 245         if (ifp->if_capenable & IFCAP_TXCSUM)
 246                 nttc->nttc_v4tx = sc->ndis_v4tx;
 247
 248         if (ifp->if_capenable & IFCAP_RXCSUM)
 249                 nttc->nttc_v4rx = sc->ndis_v4rx;
 250
 251         error = ndis_set_info(sc, OID_TCP_TASK_OFFLOAD, ntoh, &len);
 252         kfree(ntoh, M_TEMP);
 253
 254         return(error);
 255 }
 256
 257 static int
 258 ndis_probe_offload(struct ndis_softc *sc)
 259 {
 260         ndis_task_offload       *nto;
 261         ndis_task_offload_hdr   *ntoh;
 262         ndis_task_tcpip_csum    *nttc = NULL;
 263         struct ifnet            *ifp;
 264         int                     len, error, dummy;
 265
 266         ifp = &sc->arpcom.ac_if;
 267
 268         len = sizeof(dummy);
 269         error = ndis_get_info(sc, OID_TCP_TASK_OFFLOAD, &dummy, &len);
 270
 271         if (error != ENOSPC)
 272                 return(error);
 273
 274         ntoh = kmalloc(len, M_TEMP, M_NOWAIT|M_ZERO);
 275
 276         if (ntoh == NULL)
 277                 return(ENOMEM);
 278
 279         ntoh->ntoh_vers = NDIS_TASK_OFFLOAD_VERSION;
 280         ntoh->ntoh_len = sizeof(ndis_task_offload_hdr);
 281         ntoh->ntoh_encapfmt.nef_encaphdrlen = sizeof(struct ether_header);
 282         ntoh->ntoh_encapfmt.nef_encap = NDIS_ENCAP_IEEE802_3;
 283         ntoh->ntoh_encapfmt.nef_flags = NDIS_ENCAPFLAG_FIXEDHDRLEN;
 284
 285         error = ndis_get_info(sc, OID_TCP_TASK_OFFLOAD, ntoh, &len);
 286
 287         if (error) {
 288                 kfree(ntoh, M_TEMP);
 289                 return(error);
 290         }
 291
 292         if (ntoh->ntoh_vers != NDIS_TASK_OFFLOAD_VERSION) {
 293                 kfree(ntoh, M_TEMP);
 294                 return(EINVAL);
 295         }
 296
 297         nto = (ndis_task_offload *)((char *)ntoh +
 298             ntoh->ntoh_offset_firsttask);
 299
 300         while (1) {
 301                 switch (nto->nto_task) {
 302                 case NDIS_TASK_TCPIP_CSUM:
 303                         nttc = (ndis_task_tcpip_csum *)nto->nto_taskbuf;
 304                         break;
 305                 /* Don't handle these yet. */
 306                 case NDIS_TASK_IPSEC:
 307                 case NDIS_TASK_TCP_LARGESEND:
 308                 default:
 309                         break;
 310                 }
 311                 if (nto->nto_offset_nexttask == 0)
 312                         break;
 313                 nto = (ndis_task_offload *)((char *)nto +
 314                     nto->nto_offset_nexttask);
 315         }
 316
 317         if (nttc == NULL) {
 318                 kfree(ntoh, M_TEMP);
 319                 return(ENOENT);
 320         }
 321
 322         sc->ndis_v4tx = nttc->nttc_v4tx;
 323         sc->ndis_v4rx = nttc->nttc_v4rx;
 324
 325         if (nttc->nttc_v4tx & NDIS_TCPSUM_FLAGS_IP_CSUM)
 326                 sc->ndis_hwassist |= CSUM_IP;
 327         if (nttc->nttc_v4tx & NDIS_TCPSUM_FLAGS_TCP_CSUM)
 328                 sc->ndis_hwassist |= CSUM_TCP;
 329         if (nttc->nttc_v4tx & NDIS_TCPSUM_FLAGS_UDP_CSUM)
 330                 sc->ndis_hwassist |= CSUM_UDP;
 331
 332         if (sc->ndis_hwassist)
 333                 ifp->if_capabilities |= IFCAP_TXCSUM;
 334
 335         if (nttc->nttc_v4rx & NDIS_TCPSUM_FLAGS_IP_CSUM)
 336                 ifp->if_capabilities |= IFCAP_RXCSUM;
 337         if (nttc->nttc_v4rx & NDIS_TCPSUM_FLAGS_TCP_CSUM)
 338                 ifp->if_capabilities |= IFCAP_RXCSUM;
 339         if (nttc->nttc_v4rx & NDIS_TCPSUM_FLAGS_UDP_CSUM)
 340                 ifp->if_capabilities |= IFCAP_RXCSUM;
 341
 342         kfree(ntoh, M_TEMP);
 343         return(0);
 344 }
 345
 346 /*
 347  * Attach the interface. Allocate softc structures, do ifmedia
 348  * setup and ethernet/BPF attach.
 349  */
 350 int
 351 ndis_attach(device_t dev)
 352 {
 353         u_char                  eaddr[ETHER_ADDR_LEN];
 354         struct ndis_softc       *sc;
 355         struct ifnet            *ifp;
 356         void                    *img;
 357         int                     error = 0, len;
 358         int                     i;
 359
 360         sc = device_get_softc(dev);
 361
 362         callout_init(&sc->ndis_stat_timer);
 363
 364         sc->ndis_regvals = ndis_regvals;
 365
 366 #if __FreeBSD_version < 502113
 367         sysctl_ctx_init(&sc->ndis_ctx);
 368
 369 #endif
 370         /* Create sysctl registry nodes */
 371         ndis_create_sysctls(sc);
 372
 373         /* Set up driver image in memory. */
 374         img = drv_data;
 375         ndis_load_driver((vm_offset_t)img, sc);
 376
 377         /* Tell the user what version of the API the driver is using. */
 378         device_printf(dev, "NDIS API version: %d.%d\n",
 379             sc->ndis_chars.nmc_version_major,
 380             sc->ndis_chars.nmc_version_minor);
 381
 382         /* Do resource conversion. */
 383         ndis_convert_res(sc);
 384
 385         /* Install our RX and TX interrupt handlers. */
 386         sc->ndis_block.nmb_senddone_func = ndis_txeof;
 387         sc->ndis_block.nmb_pktind_func = ndis_rxeof;
 388
 389         /* Call driver's init routine. */
 390         if (ndis_init_nic(sc)) {
 391                 device_printf (dev, "init handler failed\n");
 392                 error = ENXIO;
 393                 goto fail;
 394         }
 395
 396         /*
 397          * Get station address from the driver.
 398          */
 399         len = sizeof(eaddr);
 400         ndis_get_info(sc, OID_802_3_CURRENT_ADDRESS, &eaddr, &len);
 401
 402         bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
 403
 404         /*
 405          * Figure out of we're allowed to use multipacket sends
 406          * with this driver, and if so, how many.
 407          */
 408
 409         if (sc->ndis_chars.nmc_sendsingle_func &&
 410             sc->ndis_chars.nmc_sendmulti_func == NULL) {
 411                 sc->ndis_maxpkts = 1;
 412         } else {
 413                 len = sizeof(sc->ndis_maxpkts);
 414                 ndis_get_info(sc, OID_GEN_MAXIMUM_SEND_PACKETS,
 415                     &sc->ndis_maxpkts, &len);
 416         }
 417
 418         sc->ndis_txarray = kmalloc(sizeof(ndis_packet *) *
 419             sc->ndis_maxpkts, M_DEVBUF, M_WAITOK|M_ZERO);
 420
 421         sc->ndis_txpending = sc->ndis_maxpkts;
 422
 423         sc->ndis_oidcnt = 0;
 424         /* Get supported oid list. */
 425         ndis_get_supported_oids(sc, &sc->ndis_oids, &sc->ndis_oidcnt);
 426
 427         /* If the NDIS module requested scatter/gather, init maps. */
 428         if (sc->ndis_sc)
 429                 ndis_init_dma(sc);
 430
 431         /*
 432          * See if the OID_802_11_CONFIGURATION OID is
 433          * supported by this driver. If it is, then this an 802.11
 434          * wireless driver, and we should set up media for wireless.
 435          */
 436         for (i = 0; i < sc->ndis_oidcnt; i++) {
 437                 if (sc->ndis_oids[i] == OID_802_11_CONFIGURATION) {
 438                         sc->ndis_80211++;
 439                         break;
 440                 }
 441         }
 442
 443         /* Check for task offload support. */
 444         ndis_probe_offload(sc);
 445
 446         ifp = &sc->arpcom.ac_if;
 447         ifp->if_softc = sc;
 448         if_initname(ifp, device_get_name(dev), device_get_unit(dev));
 449         ifp->if_mtu = ETHERMTU;
 450         ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
 451         ifp->if_ioctl = ndis_ioctl;
 452         ifp->if_start = ndis_start;
 453         ifp->if_watchdog = ndis_watchdog;
 454         ifp->if_init = ndis_init;
 455         ifp->if_baudrate = 10000000;
 456         ifq_set_maxlen(&ifp->if_snd, 50);
 457         ifq_set_ready(&ifp->if_snd);
 458         ifp->if_capenable = ifp->if_capabilities;
 459         ifp->if_hwassist = sc->ndis_hwassist;
 460
 461         /* Do media setup */
 462         if (sc->ndis_80211) {
 463                 struct ieee80211com     *ic = (void *)ifp;
 464                 ndis_80211_rates_ex     rates;
 465                 struct ndis_80211_nettype_list *ntl;
 466                 uint32_t                arg;
 467                 int                     r;
 468
 469                 ic->ic_phytype = IEEE80211_T_DS;
 470                 ic->ic_opmode = IEEE80211_M_STA;
 471                 ic->ic_caps = IEEE80211_C_IBSS;
 472                 ic->ic_state = IEEE80211_S_ASSOC;
 473                 ic->ic_modecaps = (1<<IEEE80211_MODE_AUTO);
 474                 len = 0;
 475                 r = ndis_get_info(sc, OID_802_11_NETWORK_TYPES_SUPPORTED,
 476                     NULL, &len);
 477                 if (r != ENOSPC)
 478                         goto nonettypes;
 479                 ntl = kmalloc(len, M_DEVBUF, M_WAITOK|M_ZERO);
 480                 r = ndis_get_info(sc, OID_802_11_NETWORK_TYPES_SUPPORTED,
 481                     ntl, &len);
 482                 if (r != 0) {
 483                         kfree(ntl, M_DEVBUF);
 484                         goto nonettypes;
 485                 }
 486
 487                 for (i = 0; i < ntl->ntl_items; i++) {
 488                         switch (ntl->ntl_type[i]) {
 489                         case NDIS_80211_NETTYPE_11FH:
 490                         case NDIS_80211_NETTYPE_11DS:
 491                                 ic->ic_modecaps |= (1<<IEEE80211_MODE_11B);
 492                                 break;
 493                         case NDIS_80211_NETTYPE_11OFDM5:
 494                                 ic->ic_modecaps |= (1<<IEEE80211_MODE_11A);
 495                                 break;
 496                         case NDIS_80211_NETTYPE_11OFDM24:
 497                                 ic->ic_modecaps |= (1<<IEEE80211_MODE_11G);
 498                                 break;
 499                         default:
 500                                 break;
 501                         }
 502                 }
 503                 kfree(ntl, M_DEVBUF);
 504 nonettypes:
 505                 len = sizeof(rates);
 506                 bzero((char *)&rates, len);
 507                 r = ndis_get_info(sc, OID_802_11_SUPPORTED_RATES,
 508                     (void *)rates, &len);
 509                 if (r)
 510                         device_printf (dev, "get rates failed: 0x%x\n", r);
 511                 /*
 512                  * Since the supported rates only up to 8 can be supported,
 513                  * if this is not 802.11b we're just going to be faking it
 514                  * all up to heck.
 515                  */
 516
 517 #define TESTSETRATE(x, y)                                               \
 518         do {                                                            \
 519                 int                     i;                              \
 520                 for (i = 0; i < ic->ic_sup_rates[x].rs_nrates; i++) {   \
 521                         if (ic->ic_sup_rates[x].rs_rates[i] == (y))     \
 522                                 break;                                  \
 523                 }                                                       \
 524                 if (i == ic->ic_sup_rates[x].rs_nrates) {               \
 525                         ic->ic_sup_rates[x].rs_rates[i] = (y);          \
 526                         ic->ic_sup_rates[x].rs_nrates++;                \
 527                 }                                                       \
 528         } while (0)
 529
 530 #define SETRATE(x, y)   \
 531         ic->ic_sup_rates[x].rs_rates[ic->ic_sup_rates[x].rs_nrates] = (y)
 532 #define INCRATE(x)      \
 533         ic->ic_sup_rates[x].rs_nrates++
 534
 535                 ic->ic_curmode = IEEE80211_MODE_AUTO;
 536                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11A))
 537                         ic->ic_sup_rates[IEEE80211_MODE_11A].rs_nrates = 0;
 538                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11B))
 539                         ic->ic_sup_rates[IEEE80211_MODE_11B].rs_nrates = 0;
 540                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11G))
 541                         ic->ic_sup_rates[IEEE80211_MODE_11G].rs_nrates = 0;
 542                 for (i = 0; i < len; i++) {
 543                         switch (rates[i] & IEEE80211_RATE_VAL) {
 544                         case 2:
 545                         case 4:
 546                         case 11:
 547                         case 10:
 548                         case 22:
 549                                 if (!(ic->ic_modecaps &
 550                                     (1<<IEEE80211_MODE_11B))) {
 551                                         /* Lazy-init 802.11b. */
 552                                         ic->ic_modecaps |=
 553                                             (1<<IEEE80211_MODE_11B);
 554                                         ic->ic_sup_rates[IEEE80211_MODE_11B].
 555                                             rs_nrates = 0;
 556                                 }
 557                                 SETRATE(IEEE80211_MODE_11B, rates[i]);
 558                                 INCRATE(IEEE80211_MODE_11B);
 559                                 break;
 560                         default:
 561                                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11A)) {
 562                                         SETRATE(IEEE80211_MODE_11A, rates[i]);
 563                                         INCRATE(IEEE80211_MODE_11A);
 564                                 }
 565                                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11G)) {
 566                                         SETRATE(IEEE80211_MODE_11G, rates[i]);
 567                                         INCRATE(IEEE80211_MODE_11G);
 568                                 }
 569                                 break;
 570                         }
 571                 }
 572
 573                 /*
 574                  * If the hardware supports 802.11g, it most
 575                  * likely supports 802.11b and all of the
 576                  * 802.11b and 802.11g speeds, so maybe we can
 577                  * just cheat here.  Just how in the heck do
 578                  * we detect turbo modes, though?
 579                  */
 580                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11B)) {
 581                         TESTSETRATE(IEEE80211_MODE_11B,
 582                             IEEE80211_RATE_BASIC|2);
 583                         TESTSETRATE(IEEE80211_MODE_11B,
 584                             IEEE80211_RATE_BASIC|4);
 585                         TESTSETRATE(IEEE80211_MODE_11B,
 586                             IEEE80211_RATE_BASIC|11);
 587                         TESTSETRATE(IEEE80211_MODE_11B,
 588                             IEEE80211_RATE_BASIC|22);
 589                 }
 590                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11G)) {
 591                         TESTSETRATE(IEEE80211_MODE_11G, 47);
 592                         TESTSETRATE(IEEE80211_MODE_11G, 72);
 593                         TESTSETRATE(IEEE80211_MODE_11G, 96);
 594                         TESTSETRATE(IEEE80211_MODE_11G, 108);
 595                 }
 596                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11A)) {
 597                         TESTSETRATE(IEEE80211_MODE_11A, 47);
 598                         TESTSETRATE(IEEE80211_MODE_11A, 72);
 599                         TESTSETRATE(IEEE80211_MODE_11A, 96);
 600                         TESTSETRATE(IEEE80211_MODE_11A, 108);
 601                 }
 602 #undef SETRATE
 603 #undef INCRATE
 604                 /*
 605                  * Taking yet more guesses here.
 606                  */
 607                 for (i = 1; i < IEEE80211_CHAN_MAX; i++) {
 608                         int chanflag = 0;
 609
 610                         if (ic->ic_sup_rates[IEEE80211_MODE_11G].rs_nrates)
 611                                 chanflag |= IEEE80211_CHAN_G;
 612                         if (i <= 14)
 613                                 chanflag |= IEEE80211_CHAN_B;
 614                         if (ic->ic_sup_rates[IEEE80211_MODE_11A].rs_nrates &&
 615                             i > 14)
 616                                 chanflag = IEEE80211_CHAN_A;
 617                         if (chanflag == 0)
 618                                 break;
 619                         ic->ic_channels[i].ic_freq =
 620                             ieee80211_ieee2mhz(i, chanflag);
 621                         ic->ic_channels[i].ic_flags = chanflag;
 622                 }
 623
 624                 i = sizeof(arg);
 625                 r = ndis_get_info(sc, OID_802_11_WEP_STATUS, &arg, &i);
 626                 if (arg != NDIS_80211_WEPSTAT_NOTSUPPORTED)
 627                         ic->ic_caps |= IEEE80211_C_WEP;
 628                 i = sizeof(arg);
 629                 r = ndis_get_info(sc, OID_802_11_POWER_MODE, &arg, &i);
 630                 if (r == 0)
 631                         ic->ic_caps |= IEEE80211_C_PMGT;
 632                 bcopy(eaddr, &ic->ic_myaddr, sizeof(eaddr));
 633                 ieee80211_ifattach(ic);
 634                 ieee80211_media_init(ic, ieee80211_media_change,
 635                     ndis_media_status);
 636                 ic->ic_ibss_chan = IEEE80211_CHAN_ANYC;
 637                 ic->ic_bss->ni_chan = ic->ic_ibss_chan;
 638         } else {
 639                 ifmedia_init(&sc->ifmedia, IFM_IMASK, ndis_ifmedia_upd,
 640                     ndis_ifmedia_sts);
 641                 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_T, 0, NULL);
 642                 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_T|IFM_FDX, 0, NULL);
 643                 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_100_TX, 0, NULL);
 644                 ifmedia_add(&sc->ifmedia,
 645                     IFM_ETHER|IFM_100_TX|IFM_FDX, 0, NULL);
 646                 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_AUTO, 0, NULL);
 647                 ifmedia_set(&sc->ifmedia, IFM_ETHER|IFM_AUTO);
 648                 ether_ifattach(ifp, eaddr, NULL);
 649         }
 650
 651         if (error == 0) {
 652                 error = bus_setup_intr(dev, sc->ndis_irq, INTR_NETSAFE,
 653                                        ndis_intr, sc,
 654                                        &sc->ndis_intrhand,
 655                                        ifp->if_serializer);
 656                 if (error) {
 657                         device_printf(dev, "couldn't set up irq\n");
 658                         goto fail;
 659                 }
 660         }
 661
 662
 663         /* Override the status handler so we can detect link changes. */
 664         sc->ndis_block.nmb_status_func = ndis_linksts;
 665         sc->ndis_block.nmb_statusdone_func = ndis_linksts_done;
 666 fail:
 667         if (error)
 668                 ndis_detach(dev);
 669         else
 670                 /* We're done talking to the NIC for now; halt it. */
 671                 ndis_halt_nic(sc);
 672
 673         return(error);
 674 }
 675
 676 /*
 677  * Shutdown hardware and free up resources. This can be called any
 678  * time after the mutex has been initialized. It is called in both
 679  * the error case in attach and the normal detach case so it needs
 680  * to be careful about only freeing resources that have actually been
 681  * allocated.
 682  */
 683 int
 684 ndis_detach(device_t dev)
 685 {
 686         struct ndis_softc       *sc;
 687         struct ifnet            *ifp;
 688
 689         sc = device_get_softc(dev);
 690         ifp = &sc->arpcom.ac_if;
 691
 692         ifp->if_flags &= ~IFF_UP;
 693
 694         if (device_is_attached(dev)) {
 695                 lwkt_serialize_enter(ifp->if_serializer);
 696                 ndis_stop(sc);
 697                 bus_teardown_intr(dev, sc->ndis_irq, sc->ndis_intrhand);
 698                 lwkt_serialize_exit(ifp->if_serializer);
 699
 700                 if (sc->ndis_80211)
 701                         ieee80211_ifdetach(&sc->ic);
 702                 else
 703                         ether_ifdetach(ifp);
 704         }
 705         bus_generic_detach(dev);
 706
 707         if (sc->ndis_irq)
 708                 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->ndis_irq);
 709         if (sc->ndis_res_io)
 710                 bus_release_resource(dev, SYS_RES_IOPORT,
 711                     sc->ndis_io_rid, sc->ndis_res_io);
 712         if (sc->ndis_res_mem)
 713                 bus_release_resource(dev, SYS_RES_MEMORY,
 714                     sc->ndis_mem_rid, sc->ndis_res_mem);
 715         if (sc->ndis_res_altmem)
 716                 bus_release_resource(dev, SYS_RES_MEMORY,
 717                     sc->ndis_altmem_rid, sc->ndis_res_altmem);
 718
 719         if (sc->ndis_sc)
 720                 ndis_destroy_dma(sc);
 721
 722         ndis_unload_driver((void *)ifp);
 723
 724         if (sc->ndis_iftype == PCIBus)
 725                 bus_dma_tag_destroy(sc->ndis_parent_tag);
 726
 727 #if __FreeBSD_version < 502113
 728         sysctl_ctx_free(&sc->ndis_ctx);
 729 #endif
 730         return(0);
 731 }
 732
 733 int
 734 ndis_suspend(device_t dev)
 735 {
 736         struct ndis_softc       *sc;
 737         struct ifnet            *ifp;
 738
 739         sc = device_get_softc(dev);
 740         ifp = &sc->arpcom.ac_if;
 741         lwkt_serialize_enter(ifp->if_serializer);
 742
 743 #ifdef notdef
 744         if (NDIS_INITIALIZED(sc))
 745                 ndis_stop(sc);
 746 #endif
 747         lwkt_serialize_exit(ifp->if_serializer);
 748         return(0);
 749 }
 750
 751 int
 752 ndis_resume(device_t dev)
 753 {
 754         struct ndis_softc       *sc;
 755         struct ifnet            *ifp;
 756
 757         sc = device_get_softc(dev);
 758         ifp = &sc->arpcom.ac_if;
 759
 760         lwkt_serialize_enter(ifp->if_serializer);
 761         if (NDIS_INITIALIZED(sc))
 762                 ndis_init(sc);
 763         lwkt_serialize_exit(ifp->if_serializer);
 764
 765         return(0);
 766 }
 767
 768 /*
 769  * A frame has been uploaded: pass the resulting mbuf chain up to
 770  * the higher level protocols.
 771  *
 772  * When handling received NDIS packets, the 'status' field in the
 773  * out-of-band portion of the ndis_packet has special meaning. In the
 774  * most common case, the underlying NDIS driver will set this field
 775  * to NDIS_STATUS_SUCCESS, which indicates that it's ok for us to
 776  * take posession of it. We then change the status field to
 777  * NDIS_STATUS_PENDING to tell the driver that we now own the packet,
 778  * and that we will return it at some point in the future via the
 779  * return packet handler.
 780  *
 781  * If the driver hands us a packet with a status of NDIS_STATUS_RESOURCES,
 782  * this means the driver is running out of packet/buffer resources and
 783  * wants to maintain ownership of the packet. In this case, we have to
 784  * copy the packet data into local storage and let the driver keep the
 785  * packet.
 786  */
 787 __stdcall static void
 788 ndis_rxeof(ndis_handle adapter, ndis_packet **packets, uint32_t pktcnt)
 789 {
 790         struct ndis_softc       *sc;
 791         ndis_miniport_block     *block;
 792         ndis_packet             *p;
 793         uint32_t                s;
 794         ndis_tcpip_csum         *csum;
 795         struct ifnet            *ifp;
 796         struct mbuf             *m0, *m;
 797         int                     i;
 798
 799         block = (ndis_miniport_block *)adapter;
 800         sc = (struct ndis_softc *)(block->nmb_ifp);
 801         ifp = block->nmb_ifp;
 802
 803         for (i = 0; i < pktcnt; i++) {
 804                 p = packets[i];
 805                 /* Stash the softc here so ptom can use it. */
 806                 p->np_softc = sc;
 807                 if (ndis_ptom(&m0, p)) {
 808                         device_printf (sc->ndis_dev, "ptom failed\n");
 809                         if (p->np_oob.npo_status == NDIS_STATUS_SUCCESS)
 810                                 ndis_return_packet(sc, p);
 811                 } else {
 812                         if (p->np_oob.npo_status == NDIS_STATUS_RESOURCES) {
 813                                 m = m_dup(m0, MB_DONTWAIT);
 814                                 /*
 815                                  * NOTE: we want to destroy the mbuf here, but
 816                                  * we don't actually want to return it to the
 817                                  * driver via the return packet handler. By
 818                                  * bumping np_refcnt, we can prevent the
 819                                  * ndis_return_packet() routine from actually
 820                                  * doing anything.
 821                                  */
 822                                 p->np_refcnt++;
 823                                 m_freem(m0);
 824                                 if (m == NULL)
 825                                         ifp->if_ierrors++;
 826                                 else
 827                                         m0 = m;
 828                         } else
 829                                 p->np_oob.npo_status = NDIS_STATUS_PENDING;
 830                         m0->m_pkthdr.rcvif = ifp;
 831                         ifp->if_ipackets++;
 832
 833                         /* Deal with checksum offload. */
 834
 835                         if (ifp->if_capenable & IFCAP_RXCSUM &&
 836                             p->np_ext.npe_info[ndis_tcpipcsum_info] != NULL) {
 837                                 s = (uintptr_t)
 838                                     p->np_ext.npe_info[ndis_tcpipcsum_info];
 839                                 csum = (ndis_tcpip_csum *)&s;
 840                                 if (csum->u.ntc_rxflags &
 841                                     NDIS_RXCSUM_IP_PASSED)
 842                                         m0->m_pkthdr.csum_flags |=
 843                                             CSUM_IP_CHECKED|CSUM_IP_VALID;
 844                                 if (csum->u.ntc_rxflags &
 845                                     (NDIS_RXCSUM_TCP_PASSED |
 846                                     NDIS_RXCSUM_UDP_PASSED)) {
 847                                         m0->m_pkthdr.csum_flags |=
 848                                             CSUM_DATA_VALID|CSUM_PSEUDO_HDR;
 849                                         m0->m_pkthdr.csum_data = 0xFFFF;
 850                                 }
 851                         }
 852
 853                         ifp->if_input(ifp, m0);
 854                 }
 855         }
 856 }
 857
 858 /*
 859  * A frame was downloaded to the chip. It's safe for us to clean up
 860  * the list buffers.
 861  */
 862 __stdcall static void
 863 ndis_txeof(ndis_handle adapter, ndis_packet *packet, ndis_status status)
 864 {
 865         struct ndis_softc       *sc;
 866         ndis_miniport_block     *block;
 867         struct ifnet            *ifp;
 868         int                     idx;
 869         struct mbuf             *m;
 870
 871         block = (ndis_miniport_block *)adapter;
 872         sc = (struct ndis_softc *)block->nmb_ifp;
 873         ifp = block->nmb_ifp;
 874
 875         m = packet->np_m0;
 876         idx = packet->np_txidx;
 877         if (sc->ndis_sc)
 878                 bus_dmamap_unload(sc->ndis_ttag, sc->ndis_tmaps[idx]);
 879
 880         ndis_free_packet(packet);
 881         m_freem(m);
 882
 883         sc->ndis_txarray[idx] = NULL;
 884         sc->ndis_txpending++;
 885
 886         if (status == NDIS_STATUS_SUCCESS)
 887                 ifp->if_opackets++;
 888         else
 889                 ifp->if_oerrors++;
 890         ifp->if_timer = 0;
 891         ifp->if_flags &= ~IFF_OACTIVE;
 892
 893         ndis_sched(ndis_starttask, ifp, NDIS_TASKQUEUE);
 894 }
 895
 896 __stdcall static void
 897 ndis_linksts(ndis_handle adapter, ndis_status status, void *sbuf, uint32_t slen)
 898 {
 899         ndis_miniport_block     *block;
 900
 901         block = adapter;
 902         block->nmb_getstat = status;
 903 }
 904
 905 __stdcall static void
 906 ndis_linksts_done(ndis_handle adapter)
 907 {
 908         ndis_miniport_block     *block;
 909         struct ndis_softc       *sc;
 910         struct ifnet            *ifp;
 911
 912         block = adapter;
 913         ifp = block->nmb_ifp;
 914         sc = ifp->if_softc;
 915
 916         if (!NDIS_INITIALIZED(sc))
 917                 return;
 918
 919         switch (block->nmb_getstat) {
 920         case NDIS_STATUS_MEDIA_CONNECT:
 921                 ndis_sched(ndis_ticktask, sc, NDIS_TASKQUEUE);
 922                 ndis_sched(ndis_starttask, ifp, NDIS_TASKQUEUE);
 923                 break;
 924         case NDIS_STATUS_MEDIA_DISCONNECT:
 925                 if (sc->ndis_link)
 926                         ndis_sched(ndis_ticktask, sc, NDIS_TASKQUEUE);
 927                 break;
 928         default:
 929                 break;
 930         }
 931 }
 932
 933 static void
 934 ndis_intrtask(void *arg)
 935 {
 936         struct ndis_softc       *sc;
 937         struct ifnet            *ifp;
 938         uint8_t                 irql;
 939
 940         sc = arg;
 941         ifp = &sc->arpcom.ac_if;
 942
 943         lwkt_serialize_enter(ifp->if_serializer);
 944         irql = FASTCALL1(hal_raise_irql, DISPATCH_LEVEL);
 945         ndis_intrhand(sc);
 946         FASTCALL1(hal_lower_irql, irql);
 947         ndis_enable_intr(sc);
 948         lwkt_serialize_exit(ifp->if_serializer);
 949 }
 950
 951 static void
 952 ndis_intr(void *arg)
 953 {
 954         struct ndis_softc       *sc;
 955         struct ifnet            *ifp;
 956         int                     is_our_intr = 0;
 957         int                     call_isr = 0;
 958
 959         sc = arg;
 960         ifp = &sc->arpcom.ac_if;
 961
 962         if (sc->ndis_block.nmb_miniportadapterctx == NULL)
 963                 return;
 964
 965         if (sc->ndis_block.nmb_interrupt->ni_isrreq == TRUE)
 966                 ndis_isr(sc, &is_our_intr, &call_isr);
 967         else {
 968                 ndis_disable_intr(sc);
 969                 call_isr = 1;
 970         }
 971
 972         if ((is_our_intr || call_isr))
 973                 ndis_sched(ndis_intrtask, ifp, NDIS_SWI);
 974 }
 975
 976 static void
 977 ndis_tick(void *xsc)
 978 {
 979         struct ndis_softc       *sc;
 980
 981         sc = xsc;
 982
 983         ndis_sched(ndis_ticktask, sc, NDIS_TASKQUEUE);
 984         callout_reset(&sc->ndis_stat_timer,
 985                       hz *sc->ndis_block.nmb_checkforhangsecs, ndis_tick, sc);
 986 }
 987
 988 static void
 989 ndis_ticktask(void *xsc)
 990 {
 991         struct ndis_softc       *sc;
 992         struct ifnet            *ifp;
 993         __stdcall ndis_checkforhang_handler hangfunc;
 994         uint8_t                 rval;
 995         ndis_media_state        linkstate;
 996         int                     error, len;
 997
 998         sc = xsc;
 999         ifp = &sc->arpcom.ac_if;
1000
1001         lwkt_serialize_enter(ifp->if_serializer);
1002         hangfunc = sc->ndis_chars.nmc_checkhang_func;
1003
1004         if (hangfunc != NULL) {
1005                 rval = hangfunc(sc->ndis_block.nmb_miniportadapterctx);
1006                 if (rval == TRUE) {
1007                         ndis_reset_nic(sc);
1008                         lwkt_serialize_exit(ifp->if_serializer);
1009                         return;
1010                 }
1011         }
1012
1013         len = sizeof(linkstate);
1014         error = ndis_get_info(sc, OID_GEN_MEDIA_CONNECT_STATUS,
1015             (void *)&linkstate, &len);
1016
1017         if (sc->ndis_link == 0 && linkstate == nmc_connected) {
1018                 device_printf(sc->ndis_dev, "link up\n");
1019                 sc->ndis_link = 1;
1020                 if (sc->ndis_80211)
1021                         ndis_getstate_80211(sc);
1022 #ifdef LINK_STATE_UP
1023                 sc->arpcom.ac_if.if_link_state = LINK_STATE_UP;
1024                 rt_ifmsg(&(sc->arpcom.ac_if));
1025 #endif /* LINK_STATE_UP */
1026         }
1027
1028         if (sc->ndis_link == 1 && linkstate == nmc_disconnected) {
1029                 device_printf(sc->ndis_dev, "link down\n");
1030                 sc->ndis_link = 0;
1031 #ifdef LINK_STATE_DOWN
1032                 sc->arpcom.ac_if.if_link_state = LINK_STATE_DOWN;
1033                 rt_ifmsg(&(sc->arpcom.ac_if));
1034 #endif /* LINK_STATE_DOWN */
1035         }
1036
1037         lwkt_serialize_exit(ifp->if_serializer);
1038 }
1039
1040 static void
1041 ndis_map_sclist(void *arg, bus_dma_segment_t *segs, int nseg,
1042                 bus_size_t mapsize, int error)
1043 {
1044         struct ndis_sc_list     *sclist;
1045         int                     i;
1046
1047         if (error || arg == NULL)
1048                 return;
1049
1050         sclist = arg;
1051
1052         sclist->nsl_frags = nseg;
1053
1054         for (i = 0; i < nseg; i++) {
1055                 sclist->nsl_elements[i].nse_addr.np_quad = segs[i].ds_addr;
1056                 sclist->nsl_elements[i].nse_len = segs[i].ds_len;
1057         }
1058 }
1059
1060 static void
1061 ndis_starttask(void *arg)
1062 {
1063         struct ifnet            *ifp;
1064
1065         ifp = arg;
1066         if (!ifq_is_empty(&ifp->if_snd))
1067                 ndis_start(ifp);
1068 }
1069
1070 /*
1071  * Main transmit routine. To make NDIS drivers happy, we need to
1072  * transform mbuf chains into NDIS packets and feed them to the
1073  * send packet routines. Most drivers allow you to send several
1074  * packets at once (up to the maxpkts limit). Unfortunately, rather
1075  * that accepting them in the form of a linked list, they expect
1076  * a contiguous array of pointers to packets.
1077  *
1078  * For those drivers which use the NDIS scatter/gather DMA mechanism,
1079  * we need to perform busdma work here. Those that use map registers
1080  * will do the mapping themselves on a buffer by buffer basis.
1081  */
1082
1083 static void
1084 ndis_start(struct ifnet *ifp)
1085 {
1086         struct ndis_softc       *sc;
1087         struct mbuf             *m = NULL;
1088         ndis_packet             **p0 = NULL, *p = NULL;
1089         ndis_tcpip_csum         *csum;
1090         int                     pcnt = 0;
1091
1092         sc = ifp->if_softc;
1093
1094         if (!sc->ndis_link || ifp->if_flags & IFF_OACTIVE) {
1095                 return;
1096         }
1097
1098         p0 = &sc->ndis_txarray[sc->ndis_txidx];
1099
1100         while(sc->ndis_txpending) {
1101                 m = ifq_poll(&ifp->if_snd);
1102                 if (m == NULL)
1103                         break;
1104
1105                 sc->ndis_txarray[sc->ndis_txidx] = NULL;
1106
1107                 if (ndis_mtop(m, &sc->ndis_txarray[sc->ndis_txidx])) {
1108                         return;
1109                 }
1110                 ifq_dequeue(&ifp->if_snd, m);
1111
1112                 /*
1113                  * Save pointer to original mbuf
1114                  * so we can free it later.
1115                  */
1116
1117                 p = sc->ndis_txarray[sc->ndis_txidx];
1118                 p->np_txidx = sc->ndis_txidx;
1119                 p->np_m0 = m;
1120                 p->np_oob.npo_status = NDIS_STATUS_PENDING;
1121
1122                 /*
1123                  * Do scatter/gather processing, if driver requested it.
1124                  */
1125                 if (sc->ndis_sc) {
1126                         bus_dmamap_load_mbuf(sc->ndis_ttag,
1127                             sc->ndis_tmaps[sc->ndis_txidx], m,
1128                             ndis_map_sclist, &p->np_sclist, BUS_DMA_NOWAIT);
1129                         bus_dmamap_sync(sc->ndis_ttag,
1130                             sc->ndis_tmaps[sc->ndis_txidx],
1131                             BUS_DMASYNC_PREREAD);
1132                         p->np_ext.npe_info[ndis_sclist_info] = &p->np_sclist;
1133                 }
1134
1135                 /* Handle checksum offload. */
1136
1137                 if (ifp->if_capenable & IFCAP_TXCSUM &&
1138                     m->m_pkthdr.csum_flags) {
1139                         csum = (ndis_tcpip_csum *)
1140                                 &p->np_ext.npe_info[ndis_tcpipcsum_info];
1141                         csum->u.ntc_txflags = NDIS_TXCSUM_DO_IPV4;
1142                         if (m->m_pkthdr.csum_flags & CSUM_IP)
1143                                 csum->u.ntc_txflags |= NDIS_TXCSUM_DO_IP;
1144                         if (m->m_pkthdr.csum_flags & CSUM_TCP)
1145                                 csum->u.ntc_txflags |= NDIS_TXCSUM_DO_TCP;
1146                         if (m->m_pkthdr.csum_flags & CSUM_UDP)
1147                                 csum->u.ntc_txflags |= NDIS_TXCSUM_DO_UDP;
1148                         p->np_private.npp_flags = NDIS_PROTOCOL_ID_TCP_IP;
1149                 }
1150
1151                 NDIS_INC(sc);
1152                 sc->ndis_txpending--;
1153
1154                 pcnt++;
1155
1156                 /*
1157                  * If there's a BPF listener, bounce a copy of this frame
1158                  * to him.
1159                  */
1160
1161                 BPF_MTAP(ifp, m);
1162
1163                 /*
1164                  * The array that p0 points to must appear contiguous,
1165                  * so we must not wrap past the end of sc->ndis_txarray[].
1166                  * If it looks like we're about to wrap, break out here
1167                  * so the this batch of packets can be transmitted, then
1168                  * wait for txeof to ask us to send the rest.
1169                  */
1170
1171                 if (sc->ndis_txidx == 0)
1172                         break;
1173         }
1174
1175         if (pcnt == 0) {
1176                 return;
1177         }
1178
1179         if (sc->ndis_txpending == 0)
1180                 ifp->if_flags |= IFF_OACTIVE;
1181
1182         /*
1183          * Set a timeout in case the chip goes out to lunch.
1184          */
1185         ifp->if_timer = 5;
1186
1187         if (sc->ndis_maxpkts == 1)
1188                 ndis_send_packet(sc, p);
1189         else
1190                 ndis_send_packets(sc, p0, pcnt);
1191 }
1192
1193 static void
1194 ndis_init(void *xsc)
1195 {
1196         struct ndis_softc       *sc = xsc;
1197         struct ifnet            *ifp = &sc->arpcom.ac_if;
1198         int                     i, error;
1199
1200         /*
1201          * Avoid reintializing the link unnecessarily.
1202          * This should be dealt with in a better way by
1203          * fixing the upper layer modules so they don't
1204          * call ifp->if_init() quite as often.
1205          */
1206         if (sc->ndis_link && sc->ndis_skip)
1207                 return;
1208
1209         /*
1210          * Cancel pending I/O and free all RX/TX buffers.
1211          */
1212         ndis_stop(sc);
1213         if (ndis_init_nic(sc))
1214                 return;
1215
1216         /* Init our MAC address */
1217
1218         /* Program the packet filter */
1219
1220         sc->ndis_filter = NDIS_PACKET_TYPE_DIRECTED;
1221
1222         if (ifp->if_flags & IFF_BROADCAST)
1223                 sc->ndis_filter |= NDIS_PACKET_TYPE_BROADCAST;
1224
1225         if (ifp->if_flags & IFF_PROMISC)
1226                 sc->ndis_filter |= NDIS_PACKET_TYPE_PROMISCUOUS;
1227
1228         i = sizeof(sc->ndis_filter);
1229
1230         error = ndis_set_info(sc, OID_GEN_CURRENT_PACKET_FILTER,
1231             &sc->ndis_filter, &i);
1232
1233         if (error)
1234                 device_printf (sc->ndis_dev, "set filter failed: %d\n", error);
1235
1236         /*
1237          * Program the multicast filter, if necessary.
1238          */
1239         ndis_setmulti(sc);
1240
1241         /* Setup task offload. */
1242         ndis_set_offload(sc);
1243
1244         /* Enable interrupts. */
1245         ndis_enable_intr(sc);
1246
1247         if (sc->ndis_80211)
1248                 ndis_setstate_80211(sc);
1249
1250         sc->ndis_txidx = 0;
1251         sc->ndis_txpending = sc->ndis_maxpkts;
1252         sc->ndis_link = 0;
1253
1254         ifp->if_flags |= IFF_RUNNING;
1255         ifp->if_flags &= ~IFF_OACTIVE;
1256
1257         /*
1258          * Some drivers don't set this value. The NDIS spec says
1259          * the default checkforhang timeout is "approximately 2
1260          * seconds." We use 3 seconds, because it seems for some
1261          * drivers, exactly 2 seconds is too fast.
1262          */
1263
1264         if (sc->ndis_block.nmb_checkforhangsecs == 0)
1265                 sc->ndis_block.nmb_checkforhangsecs = 3;
1266
1267         callout_reset(&sc->ndis_stat_timer,
1268                       hz * sc->ndis_block.nmb_checkforhangsecs, ndis_tick, sc);
1269 }
1270
1271 /*
1272  * Set media options.
1273  */
1274 static int
1275 ndis_ifmedia_upd(struct ifnet *ifp)
1276 {
1277         struct ndis_softc               *sc;
1278
1279         sc = ifp->if_softc;
1280
1281         if (NDIS_INITIALIZED(sc))
1282                 ndis_init(sc);
1283
1284         return(0);
1285 }
1286
1287 /*
1288  * Report current media status.
1289  */
1290 static void
1291 ndis_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
1292 {
1293         struct ndis_softc       *sc;
1294         uint32_t                media_info;
1295         ndis_media_state        linkstate;
1296         int                     error, len;
1297
1298         ifmr->ifm_status = IFM_AVALID;
1299         ifmr->ifm_active = IFM_ETHER;
1300         sc = ifp->if_softc;
1301
1302         if (!NDIS_INITIALIZED(sc))
1303                 return;
1304
1305         len = sizeof(linkstate);
1306         error = ndis_get_info(sc, OID_GEN_MEDIA_CONNECT_STATUS,
1307             (void *)&linkstate, &len);
1308
1309         len = sizeof(media_info);
1310         error = ndis_get_info(sc, OID_GEN_LINK_SPEED,
1311             (void *)&media_info, &len);
1312
1313         if (linkstate == nmc_connected)
1314                 ifmr->ifm_status |= IFM_ACTIVE;
1315
1316         switch(media_info) {
1317         case 100000:
1318                 ifmr->ifm_active |= IFM_10_T;
1319                 break;
1320         case 1000000:
1321                 ifmr->ifm_active |= IFM_100_TX;
1322                 break;
1323         case 10000000:
1324                 ifmr->ifm_active |= IFM_1000_T;
1325                 break;
1326         default:
1327                 device_printf(sc->ndis_dev, "unknown speed: %d\n", media_info);
1328                 break;
1329         }
1330 }
1331
1332 static void
1333 ndis_setstate_80211(struct ndis_softc *sc)
1334 {
1335         struct ieee80211com     *ic;
1336         ndis_80211_ssid         ssid;
1337         ndis_80211_config       config;
1338         ndis_80211_wep          wep;
1339         int                     i, rval = 0, len;
1340         uint32_t                arg;
1341         struct ifnet            *ifp;
1342
1343         ic = &sc->ic;
1344         ifp = &sc->ic.ic_ac.ac_if;
1345
1346         if (!NDIS_INITIALIZED(sc))
1347                 return;
1348
1349         /* Set network infrastructure mode. */
1350
1351         len = sizeof(arg);
1352         if (ic->ic_opmode == IEEE80211_M_IBSS)
1353                 arg = NDIS_80211_NET_INFRA_IBSS;
1354         else
1355                 arg = NDIS_80211_NET_INFRA_BSS;
1356
1357         rval = ndis_set_info(sc, OID_802_11_INFRASTRUCTURE_MODE, &arg, &len);
1358
1359         if (rval)
1360                 device_printf (sc->ndis_dev, "set infra failed: %d\n", rval);
1361
1362         /* Set WEP */
1363
1364 #ifdef IEEE80211_F_PRIVACY
1365         if (ic->ic_flags & IEEE80211_F_PRIVACY) {
1366 #else
1367         if (ic->ic_wep_mode >= IEEE80211_WEP_ON) {
1368 #endif
1369                 for (i = 0; i < IEEE80211_WEP_NKID; i++) {
1370                         if (ic->ic_nw_keys[i].wk_keylen) {
1371                                 bzero((char *)&wep, sizeof(wep));
1372                                 wep.nw_keylen = ic->ic_nw_keys[i].wk_keylen;
1373 #ifdef notdef
1374                                 /* 5 and 13 are the only valid key lengths */
1375                                 if (ic->ic_nw_keys[i].wk_len < 5)
1376                                         wep.nw_keylen = 5;
1377                                 else if (ic->ic_nw_keys[i].wk_len > 5 &&
1378                                      ic->ic_nw_keys[i].wk_len < 13)
1379                                         wep.nw_keylen = 13;
1380 #endif
1381                                 wep.nw_keyidx = i;
1382                                 wep.nw_length = (sizeof(uint32_t) * 3)
1383                                     + wep.nw_keylen;
1384                                 if (i == ic->ic_def_txkey)
1385                                         wep.nw_keyidx |= NDIS_80211_WEPKEY_TX;
1386                                 bcopy(ic->ic_nw_keys[i].wk_key,
1387                                     wep.nw_keydata, wep.nw_length);
1388                                 len = sizeof(wep);
1389                                 rval = ndis_set_info(sc,
1390                                     OID_802_11_ADD_WEP, &wep, &len);
1391                                 if (rval)
1392                                         device_printf(sc->ndis_dev,
1393                                             "set wepkey failed: %d\n", rval);
1394                         }
1395                 }
1396                 arg = NDIS_80211_WEPSTAT_ENABLED;
1397                 len = sizeof(arg);
1398                 rval = ndis_set_info(sc, OID_802_11_WEP_STATUS, &arg, &len);
1399                 if (rval)
1400                         device_printf(sc->ndis_dev,
1401                             "enable WEP failed: %d\n", rval);
1402 #ifndef IEEE80211_F_PRIVACY
1403                 if (ic->ic_wep_mode != IEEE80211_WEP_8021X &&
1404                     ic->ic_wep_mode != IEEE80211_WEP_ON)
1405                         arg = NDIS_80211_PRIVFILT_ACCEPTALL;
1406                 else
1407 #endif
1408                         arg = NDIS_80211_PRIVFILT_8021XWEP;
1409                 len = sizeof(arg);
1410                 rval = ndis_set_info(sc, OID_802_11_PRIVACY_FILTER, &arg, &len);
1411 #ifdef IEEE80211_WEP_8021X /*IEEE80211_F_WEPON*/
1412                 /* Accept that we only have "shared" and 802.1x modes. */
1413                 if (rval == 0) {
1414                         if (arg == NDIS_80211_PRIVFILT_ACCEPTALL)
1415                                 ic->ic_wep_mode = IEEE80211_WEP_MIXED;
1416                         else
1417                                 ic->ic_wep_mode = IEEE80211_WEP_8021X;
1418                 }
1419 #endif
1420                 arg = NDIS_80211_AUTHMODE_OPEN;
1421         } else {
1422                 arg = NDIS_80211_WEPSTAT_DISABLED;
1423                 len = sizeof(arg);
1424                 ndis_set_info(sc, OID_802_11_WEP_STATUS, &arg, &len);
1425                 arg = NDIS_80211_AUTHMODE_OPEN;
1426         }
1427
1428         len = sizeof(arg);
1429         rval = ndis_set_info(sc, OID_802_11_AUTHENTICATION_MODE, &arg, &len);
1430
1431 #ifdef notyet
1432         if (rval)
1433                 device_printf (sc->ndis_dev, "set auth failed: %d\n", rval);
1434 #endif
1435
1436 #ifdef notyet
1437         /* Set network type. */
1438
1439         arg = 0;
1440
1441         switch (ic->ic_curmode) {
1442         case IEEE80211_MODE_11A:
1443                 arg = NDIS_80211_NETTYPE_11OFDM5;
1444                 break;
1445         case IEEE80211_MODE_11B:
1446                 arg = NDIS_80211_NETTYPE_11DS;
1447                 break;
1448         case IEEE80211_MODE_11G:
1449                 arg = NDIS_80211_NETTYPE_11OFDM24;
1450                 break;
1451         default:
1452                 device_printf(sc->ndis_dev, "unknown mode: %d\n",
1453                     ic->ic_curmode);
1454         }
1455
1456         if (arg) {
1457                 len = sizeof(arg);
1458                 rval = ndis_set_info(sc, OID_802_11_NETWORK_TYPE_IN_USE,
1459                     &arg, &len);
1460                 if (rval)
1461                         device_printf (sc->ndis_dev,
1462                             "set nettype failed: %d\n", rval);
1463         }
1464 #endif
1465
1466         len = sizeof(config);
1467         bzero((char *)&config, len);
1468         config.nc_length = len;
1469         config.nc_fhconfig.ncf_length = sizeof(ndis_80211_config_fh);
1470         rval = ndis_get_info(sc, OID_802_11_CONFIGURATION, &config, &len);
1471
1472         /*
1473          * Some drivers expect us to initialize these values, so
1474          * provide some defaults.
1475          */
1476         if (config.nc_beaconperiod == 0)
1477                 config.nc_beaconperiod = 100;
1478         if (config.nc_atimwin == 0)
1479                 config.nc_atimwin = 100;
1480         if (config.nc_fhconfig.ncf_dwelltime == 0)
1481                 config.nc_fhconfig.ncf_dwelltime = 200;
1482
1483         if (rval == 0 && ic->ic_ibss_chan != IEEE80211_CHAN_ANYC) {
1484                 int chan, chanflag;
1485
1486                 chan = ieee80211_chan2ieee(ic, ic->ic_ibss_chan);
1487                 chanflag = config.nc_dsconfig > 2500000 ? IEEE80211_CHAN_2GHZ :
1488                     IEEE80211_CHAN_5GHZ;
1489                 if (chan != ieee80211_mhz2ieee(config.nc_dsconfig / 1000, 0)) {
1490                         config.nc_dsconfig =
1491                             ic->ic_ibss_chan->ic_freq * 1000;
1492                         ic->ic_bss->ni_chan = ic->ic_ibss_chan;
1493                         len = sizeof(config);
1494                         config.nc_length = len;
1495                         config.nc_fhconfig.ncf_length =
1496                             sizeof(ndis_80211_config_fh);
1497                         rval = ndis_set_info(sc, OID_802_11_CONFIGURATION,
1498                             &config, &len);
1499                         if (rval)
1500                                 device_printf(sc->ndis_dev, "couldn't change "
1501                                     "DS config to %ukHz: %d\n",
1502                                     config.nc_dsconfig, rval);
1503                 }
1504         } else if (rval)
1505                 device_printf(sc->ndis_dev, "couldn't retrieve "
1506                     "channel info: %d\n", rval);
1507
1508         /* Set SSID -- always do this last. */
1509
1510         len = sizeof(ssid);
1511         bzero((char *)&ssid, len);
1512         ssid.ns_ssidlen = ic->ic_des_esslen;
1513         if (ssid.ns_ssidlen == 0) {
1514                 ssid.ns_ssidlen = 1;
1515         } else
1516                 bcopy(ic->ic_des_essid, ssid.ns_ssid, ssid.ns_ssidlen);
1517         rval = ndis_set_info(sc, OID_802_11_SSID, &ssid, &len);
1518
1519         if (rval)
1520                 device_printf (sc->ndis_dev, "set ssid failed: %d\n", rval);
1521 }
1522
1523 static void
1524 ndis_media_status(struct ifnet *ifp, struct ifmediareq *imr)
1525 {
1526         struct ieee80211com *ic = (void *)ifp;  /* XXX */
1527         struct ieee80211_node *ni = NULL;
1528
1529         imr->ifm_status = IFM_AVALID;
1530         imr->ifm_active = IFM_IEEE80211;
1531         if (ic->ic_state == IEEE80211_S_RUN)
1532                 imr->ifm_status |= IFM_ACTIVE;
1533         imr->ifm_active |= IFM_AUTO;
1534         switch (ic->ic_opmode) {
1535         case IEEE80211_M_STA:
1536                 ni = ic->ic_bss;
1537                 /* calculate rate subtype */
1538                 imr->ifm_active |= ieee80211_rate2media(ic,
1539                         ni->ni_rates.rs_rates[ni->ni_txrate], ic->ic_curmode);
1540                 break;
1541         case IEEE80211_M_IBSS:
1542                 ni = ic->ic_bss;
1543                 /* calculate rate subtype */
1544                 imr->ifm_active |= ieee80211_rate2media(ic,
1545                         ni->ni_rates.rs_rates[ni->ni_txrate], ic->ic_curmode);
1546                 imr->ifm_active |= IFM_IEEE80211_ADHOC;
1547                 break;
1548         case IEEE80211_M_AHDEMO:
1549                 /* should not come here */
1550                 break;
1551         case IEEE80211_M_HOSTAP:
1552                 imr->ifm_active |= IFM_IEEE80211_HOSTAP;
1553                 break;
1554         case IEEE80211_M_MONITOR:
1555                 imr->ifm_active |= IFM_IEEE80211_MONITOR;
1556                 break;
1557         }
1558         switch (ic->ic_curmode) {
1559         case IEEE80211_MODE_11A:
1560                 imr->ifm_active |= IFM_MAKEMODE(IFM_IEEE80211_11A);
1561                 break;
1562         case IEEE80211_MODE_11B:
1563                 imr->ifm_active |= IFM_MAKEMODE(IFM_IEEE80211_11B);
1564                 break;
1565         case IEEE80211_MODE_11G:
1566                 imr->ifm_active |= IFM_MAKEMODE(IFM_IEEE80211_11G);
1567                 break;
1568         case IEEE80211_MODE_TURBO_A:
1569                 imr->ifm_active |= IFM_MAKEMODE(IFM_IEEE80211_11A)
1570                                 |  IFM_IEEE80211_TURBO;
1571                 break;
1572         }
1573 }
1574
1575 static int
1576 ndis_get_assoc(struct ndis_softc *sc, ndis_wlan_bssid_ex **assoc)
1577 {
1578         ndis_80211_bssid_list_ex        *bl;
1579         ndis_wlan_bssid_ex      *bs;
1580         ndis_80211_macaddr      bssid;
1581         int                     i, len, error;
1582
1583         if (!sc->ndis_link)
1584                 return(ENOENT);
1585
1586         len = sizeof(bssid);
1587         error = ndis_get_info(sc, OID_802_11_BSSID, &bssid, &len);
1588         if (error) {
1589                 device_printf(sc->ndis_dev, "failed to get bssid\n");
1590                 return(ENOENT);
1591         }
1592         len = 0;
1593         error = ndis_get_info(sc, OID_802_11_BSSID_LIST, NULL, &len);
1594         if (error != ENOSPC) {
1595                 device_printf(sc->ndis_dev, "bssid_list failed\n");
1596                 return (error);
1597         }
1598
1599         bl = kmalloc(len, M_TEMP, M_NOWAIT|M_ZERO);
1600         if (bl == NULL)
1601                 return (ENOMEM);
1602         error = ndis_get_info(sc, OID_802_11_BSSID_LIST, bl, &len);
1603         if (error) {
1604                 kfree(bl, M_TEMP);
1605                 device_printf(sc->ndis_dev, "bssid_list failed\n");
1606                 return (error);
1607         }
1608
1609         bs = (ndis_wlan_bssid_ex *)&bl->nblx_bssid[0];
1610         for (i = 0; i < bl->nblx_items; i++) {
1611                 if (bcmp(bs->nwbx_macaddr, bssid, sizeof(bssid)) == 0) {
1612                         *assoc = kmalloc(bs->nwbx_len, M_TEMP, M_NOWAIT);
1613                         if (*assoc == NULL) {
1614                                 kfree(bl, M_TEMP);
1615                                 return(ENOMEM);
1616                         }
1617                         bcopy((char *)bs, (char *)*assoc, bs->nwbx_len);
1618                         kfree(bl, M_TEMP);
1619                         return(0);
1620                 }
1621                 bs = (ndis_wlan_bssid_ex *)((char *)bs + bs->nwbx_len);
1622         }
1623
1624         kfree(bl, M_TEMP);
1625         return(ENOENT);
1626 }
1627
1628 static void
1629 ndis_getstate_80211(struct ndis_softc *sc)
1630 {
1631         struct ieee80211com     *ic;
1632         ndis_80211_ssid         ssid;
1633         ndis_80211_config       config;
1634         ndis_wlan_bssid_ex      *bs;
1635         int                     rval, len, i = 0;
1636         uint32_t                arg;
1637         struct ifnet            *ifp;
1638
1639         ic = &sc->ic;
1640         ifp = &sc->ic.ic_ac.ac_if;
1641
1642         if (!NDIS_INITIALIZED(sc))
1643                 return;
1644
1645         if (sc->ndis_link)
1646                 ic->ic_state = IEEE80211_S_RUN;
1647         else
1648                 ic->ic_state = IEEE80211_S_ASSOC;
1649
1650
1651         /*
1652          * If we're associated, retrieve info on the current bssid.
1653          */
1654         if ((rval = ndis_get_assoc(sc, &bs)) == 0) {
1655                 switch(bs->nwbx_nettype) {
1656                 case NDIS_80211_NETTYPE_11FH:
1657                 case NDIS_80211_NETTYPE_11DS:
1658                         ic->ic_curmode = IEEE80211_MODE_11B;
1659                         break;
1660                 case NDIS_80211_NETTYPE_11OFDM5:
1661                         ic->ic_curmode = IEEE80211_MODE_11A;
1662                         break;
1663                 case NDIS_80211_NETTYPE_11OFDM24:
1664                         ic->ic_curmode = IEEE80211_MODE_11G;
1665                         break;
1666                 default:
1667                         device_printf(sc->ndis_dev,
1668                             "unknown nettype %d\n", arg);
1669                         break;
1670                 }
1671                 kfree(bs, M_TEMP);
1672         } else {
1673                 return;
1674         }
1675
1676         len = sizeof(ssid);
1677         bzero((char *)&ssid, len);
1678         rval = ndis_get_info(sc, OID_802_11_SSID, &ssid, &len);
1679
1680         if (rval)
1681                 device_printf (sc->ndis_dev, "get ssid failed: %d\n", rval);
1682         bcopy(ssid.ns_ssid, ic->ic_bss->ni_essid, ssid.ns_ssidlen);
1683         ic->ic_bss->ni_esslen = ssid.ns_ssidlen;
1684
1685         len = sizeof(arg);
1686         rval = ndis_get_info(sc, OID_GEN_LINK_SPEED, &arg, &len);
1687         if (rval)
1688                 device_printf (sc->ndis_dev, "get link speed failed: %d\n",
1689                     rval);
1690
1691         if (ic->ic_modecaps & (1<<IEEE80211_MODE_11B)) {
1692                 ic->ic_bss->ni_rates = ic->ic_sup_rates[IEEE80211_MODE_11B];
1693                 for (i = 0; i < ic->ic_bss->ni_rates.rs_nrates; i++) {
1694                         if ((ic->ic_bss->ni_rates.rs_rates[i] &
1695                             IEEE80211_RATE_VAL) == arg / 5000)
1696                                 break;
1697                 }
1698         }
1699
1700         if (i == ic->ic_bss->ni_rates.rs_nrates &&
1701             ic->ic_modecaps & (1<<IEEE80211_MODE_11G)) {
1702                 ic->ic_bss->ni_rates = ic->ic_sup_rates[IEEE80211_MODE_11G];
1703                 for (i = 0; i < ic->ic_bss->ni_rates.rs_nrates; i++) {
1704                         if ((ic->ic_bss->ni_rates.rs_rates[i] &
1705                             IEEE80211_RATE_VAL) == arg / 5000)
1706                                 break;
1707                 }
1708         }
1709
1710         if (i == ic->ic_bss->ni_rates.rs_nrates)
1711                 device_printf(sc->ndis_dev, "no matching rate for: %d\n",
1712                     arg / 5000);
1713         else
1714                 ic->ic_bss->ni_txrate = i;
1715
1716         if (ic->ic_caps & IEEE80211_C_PMGT) {
1717                 len = sizeof(arg);
1718                 rval = ndis_get_info(sc, OID_802_11_POWER_MODE, &arg, &len);
1719
1720                 if (rval)
1721                         device_printf(sc->ndis_dev,
1722                             "get power mode failed: %d\n", rval);
1723                 if (arg == NDIS_80211_POWERMODE_CAM)
1724                         ic->ic_flags &= ~IEEE80211_F_PMGTON;
1725                 else
1726                         ic->ic_flags |= IEEE80211_F_PMGTON;
1727         }
1728
1729         len = sizeof(config);
1730         bzero((char *)&config, len);
1731         config.nc_length = len;
1732         config.nc_fhconfig.ncf_length = sizeof(ndis_80211_config_fh);
1733         rval = ndis_get_info(sc, OID_802_11_CONFIGURATION, &config, &len);
1734         if (rval == 0) {
1735                 int chan;
1736
1737                 chan = ieee80211_mhz2ieee(config.nc_dsconfig / 1000, 0);
1738                 if (chan < 0 || chan >= IEEE80211_CHAN_MAX) {
1739                         if (ifp->if_flags & IFF_DEBUG)
1740                                 device_printf(sc->ndis_dev, "current channel "
1741                                     "(%uMHz) out of bounds\n",
1742                                     config.nc_dsconfig / 1000);
1743                         ic->ic_bss->ni_chan = &ic->ic_channels[1];
1744                 } else
1745                         ic->ic_bss->ni_chan = &ic->ic_channels[chan];
1746         } else
1747                 device_printf(sc->ndis_dev, "couldn't retrieve "
1748                     "channel info: %d\n", rval);
1749
1750 /*
1751         len = sizeof(arg);
1752         rval = ndis_get_info(sc, OID_802_11_WEP_STATUS, &arg, &len);
1753
1754         if (rval)
1755                 device_printf (sc->ndis_dev,
1756                     "get wep status failed: %d\n", rval);
1757
1758         if (arg == NDIS_80211_WEPSTAT_ENABLED)
1759                 ic->ic_flags |= IEEE80211_F_WEPON;
1760         else
1761                 ic->ic_flags &= ~IEEE80211_F_WEPON;
1762 */
1763 }
1764
1765 static int
1766 ndis_ioctl(struct ifnet *ifp, u_long command, caddr_t data, struct ucred *cr)
1767 {
1768         struct ndis_softc       *sc = ifp->if_softc;
1769         struct ifreq            *ifr = (struct ifreq *) data;
1770         int                     i, error = 0;
1771
1772         switch(command) {
1773         case SIOCSIFFLAGS:
1774                 if (ifp->if_flags & IFF_UP) {
1775                         if (ifp->if_flags & IFF_RUNNING &&
1776                             ifp->if_flags & IFF_PROMISC &&
1777                             !(sc->ndis_if_flags & IFF_PROMISC)) {
1778                                 sc->ndis_filter |=
1779                                     NDIS_PACKET_TYPE_PROMISCUOUS;
1780                                 i = sizeof(sc->ndis_filter);
1781                                 error = ndis_set_info(sc,
1782                                     OID_GEN_CURRENT_PACKET_FILTER,
1783                                     &sc->ndis_filter, &i);
1784                         } else if (ifp->if_flags & IFF_RUNNING &&
1785                             !(ifp->if_flags & IFF_PROMISC) &&
1786                             sc->ndis_if_flags & IFF_PROMISC) {
1787                                 sc->ndis_filter &=
1788                                     ~NDIS_PACKET_TYPE_PROMISCUOUS;
1789                                 i = sizeof(sc->ndis_filter);
1790                                 error = ndis_set_info(sc,
1791                                     OID_GEN_CURRENT_PACKET_FILTER,
1792                                     &sc->ndis_filter, &i);
1793                         } else
1794                                 ndis_init(sc);
1795                 } else {
1796                         if (ifp->if_flags & IFF_RUNNING)
1797                                 ndis_stop(sc);
1798                 }
1799                 sc->ndis_if_flags = ifp->if_flags;
1800                 error = 0;
1801                 break;
1802         case SIOCADDMULTI:
1803         case SIOCDELMULTI:
1804                 ndis_setmulti(sc);
1805                 error = 0;
1806                 break;
1807         case SIOCGIFMEDIA:
1808         case SIOCSIFMEDIA:
1809                 if (sc->ndis_80211) {
1810                         error = ieee80211_ioctl(&sc->ic, command, data, cr);
1811                         if (error == ENETRESET) {
1812                                 ndis_setstate_80211(sc);
1813                                 /*ndis_init(sc);*/
1814                                 error = 0;
1815                         }
1816                 } else
1817                         error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, command);
1818                 break;
1819         case SIOCSIFCAP:
1820                 ifp->if_capenable = ifr->ifr_reqcap;
1821                 if (ifp->if_capenable & IFCAP_TXCSUM)
1822                         ifp->if_hwassist = sc->ndis_hwassist;
1823                 else
1824                         ifp->if_hwassist = 0;
1825                 ndis_set_offload(sc);
1826                 break;
1827         case SIOCGIFGENERIC:
1828         case SIOCSIFGENERIC:
1829                 if (sc->ndis_80211 && NDIS_INITIALIZED(sc)) {
1830                         if (command == SIOCGIFGENERIC)
1831                                 error = ndis_wi_ioctl_get(ifp, command, data);
1832                         else
1833                                 error = ndis_wi_ioctl_set(ifp, command, data);
1834                 } else
1835                         error = ENOTTY;
1836                 if (error != ENOTTY)
1837                         break;
1838         default:
1839                 sc->ndis_skip = 1;
1840                 if (sc->ndis_80211) {
1841                         error = ieee80211_ioctl(&sc->ic, command, data, cr);
1842                         if (error == ENETRESET) {
1843                                 ndis_setstate_80211(sc);
1844                                 error = 0;
1845                         }
1846                 } else
1847                         error = ether_ioctl(ifp, command, data);
1848                 sc->ndis_skip = 0;
1849                 break;
1850         }
1851         return(error);
1852 }
1853
1854 static int
1855 ndis_wi_ioctl_get(struct ifnet *ifp, u_long command, caddr_t data)
1856 {
1857         struct wi_req           wreq;
1858         struct ifreq            *ifr;
1859         struct ndis_softc       *sc;
1860         ndis_80211_bssid_list_ex *bl;
1861         ndis_wlan_bssid_ex      *wb;
1862         struct wi_apinfo        *api;
1863         int                     error, i, j, len, maxaps;
1864
1865         sc = ifp->if_softc;
1866         ifr = (struct ifreq *)data;
1867         error = copyin(ifr->ifr_data, &wreq, sizeof(wreq));
1868         if (error)
1869                 return (error);
1870
1871         switch (wreq.wi_type) {
1872         case WI_RID_READ_APS:
1873                 len = 0;
1874                 error = ndis_set_info(sc, OID_802_11_BSSID_LIST_SCAN,
1875                     NULL, &len);
1876                 if (error == 0)
1877                         tsleep(&error, PCATCH, "ssidscan", hz * 2);
1878                 len = 0;
1879                 error = ndis_get_info(sc, OID_802_11_BSSID_LIST, NULL, &len);
1880                 if (error != ENOSPC)
1881                         break;
1882                 bl = kmalloc(len, M_DEVBUF, M_WAITOK|M_ZERO);
1883                 error = ndis_get_info(sc, OID_802_11_BSSID_LIST, bl, &len);
1884                 if (error) {
1885                         kfree(bl, M_DEVBUF);
1886                         break;
1887                 }
1888                 maxaps = (2 * wreq.wi_len - sizeof(int)) / sizeof(*api);
1889                 maxaps = MIN(maxaps, bl->nblx_items);
1890                 wreq.wi_len = (maxaps * sizeof(*api) + sizeof(int)) / 2;
1891                 *(int *)&wreq.wi_val = maxaps;
1892                 api = (struct wi_apinfo *)&((int *)&wreq.wi_val)[1];
1893                 wb = bl->nblx_bssid;
1894                 while (maxaps--) {
1895                         bzero(api, sizeof(*api));
1896                         bcopy(&wb->nwbx_macaddr, &api->bssid,
1897                             sizeof(api->bssid));
1898                         api->namelen = wb->nwbx_ssid.ns_ssidlen;
1899                         bcopy(&wb->nwbx_ssid.ns_ssid, &api->name, api->namelen);
1900                         if (wb->nwbx_privacy)
1901                                 api->capinfo |= IEEE80211_CAPINFO_PRIVACY;
1902                         /* XXX Where can we get noise information? */
1903                         api->signal = wb->nwbx_rssi + 149;      /* XXX */
1904                         api->quality = api->signal;
1905                         api->channel =
1906                             ieee80211_mhz2ieee(wb->nwbx_config.nc_dsconfig /
1907                             1000, 0);
1908                         /* In "auto" infrastructure mode, this is useless. */
1909                         if (wb->nwbx_netinfra == NDIS_80211_NET_INFRA_IBSS)
1910                                 api->capinfo |= IEEE80211_CAPINFO_IBSS;
1911                         if (wb->nwbx_len > sizeof(ndis_wlan_bssid)) {
1912                                 j = sizeof(ndis_80211_rates_ex);
1913                                 /* handle other extended things */
1914                         } else
1915                                 j = sizeof(ndis_80211_rates);
1916                         for (i = api->rate = 0; i < j; i++)
1917                                 api->rate = MAX(api->rate, 5 *
1918                                     (wb->nwbx_supportedrates[i] & 0x7f));
1919                         api++;
1920                         wb = (ndis_wlan_bssid_ex *)((char *)wb + wb->nwbx_len);
1921                 }
1922                 kfree(bl, M_DEVBUF);
1923                 error = copyout(&wreq, ifr->ifr_data, sizeof(wreq));
1924                 break;
1925         default:
1926                 error = ENOTTY;
1927                 break;
1928         }
1929         return (error);
1930 }
1931
1932 static int
1933 ndis_wi_ioctl_set(struct ifnet *ifp, u_long command, caddr_t data)
1934 {
1935         struct wi_req           wreq;
1936         struct ifreq            *ifr;
1937         struct ndis_softc       *sc;
1938         uint32_t                foo;
1939         int                     error, len;
1940
1941         error = suser(curthread);
1942         if (error)
1943                 return (error);
1944
1945         sc = ifp->if_softc;
1946         ifr = (struct ifreq *)data;
1947         error = copyin(ifr->ifr_data, &wreq, sizeof(wreq));
1948         if (error)
1949                 return (error);
1950
1951         switch (wreq.wi_type) {
1952         case WI_RID_SCAN_APS:
1953         case WI_RID_SCAN_REQ:                   /* arguments ignored */
1954                 len = sizeof(foo);
1955                 foo = 0;
1956                 error = ndis_set_info(sc, OID_802_11_BSSID_LIST_SCAN, &foo,
1957                     &len);
1958                 break;
1959         default:
1960                 error = ENOTTY;
1961                 break;
1962         }
1963         return (error);
1964 }
1965
1966 static void
1967 ndis_watchdog(struct ifnet *ifp)
1968 {
1969         struct ndis_softc               *sc;
1970
1971         sc = ifp->if_softc;
1972
1973         ifp->if_oerrors++;
1974         device_printf(sc->ndis_dev, "watchdog timeout\n");
1975
1976         ndis_reset_nic(sc);
1977         ndis_sched(ndis_starttask, ifp, NDIS_TASKQUEUE);
1978 }
1979
1980 /*
1981  * Stop the adapter and free any mbufs allocated to the
1982  * RX and TX lists.
1983  */
1984 static void
1985 ndis_stop(struct ndis_softc *sc)
1986 {
1987         struct ifnet            *ifp;
1988
1989         ifp = &sc->arpcom.ac_if;
1990         callout_stop(&sc->ndis_stat_timer);
1991
1992         ndis_halt_nic(sc);
1993
1994         ifp->if_timer = 0;
1995         sc->ndis_link = 0;
1996         ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
1997 }
1998
1999 /*
2000  * Stop all chip I/O so that the kernel's probe routines don't
2001  * get confused by errant DMAs when rebooting.
2002  */
2003 void
2004 ndis_shutdown(device_t dev)
2005         device_t                dev;
2006 {
2007         struct ndis_softc       *sc;
2008         struct ifnet            *ifp;
2009
2010         sc = device_get_softc(dev);
2011         ifp = &sc->arpcom.ac_if;
2012         lwkt_serialize_enter(ifp->if_serializer);
2013         ndis_shutdown_nic(sc);
2014         lwkt_serialize_exit(ifp->if_serializer);
2015 }