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 1.6 2005/06/26 22:03:26 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 #if __FreeBSD_version < 502113
  46 #include <sys/sysctl.h>
  47 #endif
  48
  49 #include <net/if.h>
  50 #include <net/ifq_var.h>
  51 #include <net/if_arp.h>
  52 #include <net/ethernet.h>
  53 #include <net/if_dl.h>
  54 #include <net/if_media.h>
  55 #include <net/route.h>
  56
  57 #include <net/bpf.h>
  58
  59 #include <machine/bus_memio.h>
  60 #include <machine/bus_pio.h>
  61 #include <machine/bus.h>
  62 #include <machine/resource.h>
  63 #include <sys/bus.h>
  64 #include <sys/rman.h>
  65
  66 #include <netproto/802_11/ieee80211_var.h>
  67 #include <netproto/802_11/ieee80211_ioctl.h>
  68
  69 #include <netproto/802_11/if_wavelan_ieee.h>
  70
  71 #include <bus/pci/pcireg.h>
  72 #include <bus/pci/pcivar.h>
  73
  74 #include <sys/thread2.h>
  75
  76 #include <emulation/ndis/regcall.h>
  77 #include <emulation/ndis/pe_var.h>
  78 #include <emulation/ndis/resource_var.h>
  79 #include <emulation/ndis/ntoskrnl_var.h>
  80 #include <emulation/ndis/hal_var.h>
  81 #include <emulation/ndis/ndis_var.h>
  82 #include <emulation/ndis/cfg_var.h>
  83 #include "if_ndisvar.h"
  84
  85 #define NDIS_IMAGE
  86 #define NDIS_REGVALS
  87
  88 #include "ndis_driver_data.h"
  89
  90 int ndis_attach                 (device_t);
  91 int ndis_detach                 (device_t);
  92 int ndis_suspend                (device_t);
  93 int ndis_resume                 (device_t);
  94 void ndis_shutdown              (device_t);
  95
  96 static __stdcall void ndis_txeof        (ndis_handle,
  97         ndis_packet *, ndis_status);
  98 static __stdcall void ndis_rxeof        (ndis_handle,
  99         ndis_packet **, uint32_t);
 100 static __stdcall void ndis_linksts      (ndis_handle,
 101         ndis_status, void *, uint32_t);
 102 static __stdcall void ndis_linksts_done (ndis_handle);
 103
 104 static void ndis_intr           (void *);
 105 static void ndis_intrtask       (void *);
 106 static void ndis_tick           (void *);
 107 static void ndis_ticktask       (void *);
 108 static void ndis_start          (struct ifnet *);
 109 static void ndis_starttask      (void *);
 110 static int ndis_ioctl           (struct ifnet *, u_long, caddr_t, struct ucred *);
 111 static int ndis_wi_ioctl_get    (struct ifnet *, u_long, caddr_t);
 112 static int ndis_wi_ioctl_set    (struct ifnet *, u_long, caddr_t);
 113 static void ndis_init           (void *);
 114 static void ndis_stop           (struct ndis_softc *);
 115 static void ndis_watchdog       (struct ifnet *);
 116 static int ndis_ifmedia_upd     (struct ifnet *);
 117 static void ndis_ifmedia_sts    (struct ifnet *, struct ifmediareq *);
 118 static int ndis_get_assoc       (struct ndis_softc *, ndis_wlan_bssid_ex **);
 119 static int ndis_probe_offload   (struct ndis_softc *);
 120 static int ndis_set_offload     (struct ndis_softc *);
 121 static void ndis_getstate_80211 (struct ndis_softc *);
 122 static void ndis_setstate_80211 (struct ndis_softc *);
 123 static void ndis_media_status   (struct ifnet *, struct ifmediareq *);
 124
 125 static void ndis_setmulti       (struct ndis_softc *);
 126 static void ndis_map_sclist     (void *, bus_dma_segment_t *,
 127         int, bus_size_t, int);
 128
 129 /*
 130  * Program the 64-bit multicast hash filter.
 131  */
 132 static void
 133 ndis_setmulti(sc)
 134         struct ndis_softc       *sc;
 135 {
 136         struct ifnet            *ifp;
 137         struct ifmultiaddr      *ifma;
 138         int                     len, mclistsz, error;
 139         uint8_t                 *mclist;
 140
 141         ifp = &sc->arpcom.ac_if;
 142
 143         if (!NDIS_INITIALIZED(sc))
 144                 return;
 145
 146         if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) {
 147                 sc->ndis_filter |= NDIS_PACKET_TYPE_ALL_MULTICAST;
 148                 len = sizeof(sc->ndis_filter);
 149                 error = ndis_set_info(sc, OID_GEN_CURRENT_PACKET_FILTER,
 150                     &sc->ndis_filter, &len);
 151                 if (error)
 152                         device_printf (sc->ndis_dev,
 153                             "set filter failed: %d\n", error);
 154                 return;
 155         }
 156
 157         if (LIST_EMPTY(&ifp->if_multiaddrs))
 158                 return;
 159
 160         len = sizeof(mclistsz);
 161         ndis_get_info(sc, OID_802_3_MAXIMUM_LIST_SIZE, &mclistsz, &len);
 162
 163         mclist = malloc(ETHER_ADDR_LEN * mclistsz, M_TEMP, M_NOWAIT|M_ZERO);
 164
 165         if (mclist == NULL) {
 166                 sc->ndis_filter |= NDIS_PACKET_TYPE_ALL_MULTICAST;
 167                 goto out;
 168         }
 169
 170         sc->ndis_filter |= NDIS_PACKET_TYPE_MULTICAST;
 171
 172         len = 0;
 173         LIST_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
 174                 if (ifma->ifma_addr->sa_family != AF_LINK)
 175                         continue;
 176                 bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr),
 177                     mclist + (ETHER_ADDR_LEN * len), ETHER_ADDR_LEN);
 178                 len++;
 179                 if (len > mclistsz) {
 180                         sc->ndis_filter |= NDIS_PACKET_TYPE_ALL_MULTICAST;
 181                         sc->ndis_filter &= ~NDIS_PACKET_TYPE_MULTICAST;
 182                         goto out;
 183                 }
 184         }
 185
 186         len = len * ETHER_ADDR_LEN;
 187         error = ndis_set_info(sc, OID_802_3_MULTICAST_LIST, mclist, &len);
 188         if (error) {
 189                 device_printf (sc->ndis_dev, "set mclist failed: %d\n", error);
 190                 sc->ndis_filter |= NDIS_PACKET_TYPE_ALL_MULTICAST;
 191                 sc->ndis_filter &= ~NDIS_PACKET_TYPE_MULTICAST;
 192         }
 193
 194 out:
 195         free(mclist, M_TEMP);
 196
 197         len = sizeof(sc->ndis_filter);
 198         error = ndis_set_info(sc, OID_GEN_CURRENT_PACKET_FILTER,
 199             &sc->ndis_filter, &len);
 200         if (error)
 201                 device_printf (sc->ndis_dev, "set filter failed: %d\n", error);
 202
 203         return;
 204 }
 205
 206 static int
 207 ndis_set_offload(sc)
 208         struct ndis_softc       *sc;
 209 {
 210         ndis_task_offload       *nto;
 211         ndis_task_offload_hdr   *ntoh;
 212         ndis_task_tcpip_csum    *nttc;
 213         struct ifnet            *ifp;
 214         int                     len, error;
 215
 216         ifp = &sc->arpcom.ac_if;
 217
 218         if (!NDIS_INITIALIZED(sc))
 219                 return(EINVAL);
 220
 221         /* See if there's anything to set. */
 222
 223         error = ndis_probe_offload(sc);
 224         if (error)
 225                 return(error);
 226
 227         if (sc->ndis_hwassist == 0 && ifp->if_capabilities == 0)
 228                 return(0);
 229
 230         len = sizeof(ndis_task_offload_hdr) + sizeof(ndis_task_offload) +
 231             sizeof(ndis_task_tcpip_csum);
 232
 233         ntoh = malloc(len, M_TEMP, M_NOWAIT|M_ZERO);
 234
 235         if (ntoh == NULL)
 236                 return(ENOMEM);
 237
 238         ntoh->ntoh_vers = NDIS_TASK_OFFLOAD_VERSION;
 239         ntoh->ntoh_len = sizeof(ndis_task_offload_hdr);
 240         ntoh->ntoh_offset_firsttask = sizeof(ndis_task_offload_hdr);
 241         ntoh->ntoh_encapfmt.nef_encaphdrlen = sizeof(struct ether_header);
 242         ntoh->ntoh_encapfmt.nef_encap = NDIS_ENCAP_IEEE802_3;
 243         ntoh->ntoh_encapfmt.nef_flags = NDIS_ENCAPFLAG_FIXEDHDRLEN;
 244
 245         nto = (ndis_task_offload *)((char *)ntoh +
 246             ntoh->ntoh_offset_firsttask);
 247
 248         nto->nto_vers = NDIS_TASK_OFFLOAD_VERSION;
 249         nto->nto_len = sizeof(ndis_task_offload);
 250         nto->nto_task = NDIS_TASK_TCPIP_CSUM;
 251         nto->nto_offset_nexttask = 0;
 252         nto->nto_taskbuflen = sizeof(ndis_task_tcpip_csum);
 253
 254         nttc = (ndis_task_tcpip_csum *)nto->nto_taskbuf;
 255
 256         if (ifp->if_capenable & IFCAP_TXCSUM)
 257                 nttc->nttc_v4tx = sc->ndis_v4tx;
 258
 259         if (ifp->if_capenable & IFCAP_RXCSUM)
 260                 nttc->nttc_v4rx = sc->ndis_v4rx;
 261
 262         error = ndis_set_info(sc, OID_TCP_TASK_OFFLOAD, ntoh, &len);
 263         free(ntoh, M_TEMP);
 264
 265         return(error);
 266 }
 267
 268 static int
 269 ndis_probe_offload(sc)
 270         struct ndis_softc       *sc;
 271 {
 272         ndis_task_offload       *nto;
 273         ndis_task_offload_hdr   *ntoh;
 274         ndis_task_tcpip_csum    *nttc = NULL;
 275         struct ifnet            *ifp;
 276         int                     len, error, dummy;
 277
 278         ifp = &sc->arpcom.ac_if;
 279
 280         len = sizeof(dummy);
 281         error = ndis_get_info(sc, OID_TCP_TASK_OFFLOAD, &dummy, &len);
 282
 283         if (error != ENOSPC)
 284                 return(error);
 285
 286         ntoh = malloc(len, M_TEMP, M_NOWAIT|M_ZERO);
 287
 288         if (ntoh == NULL)
 289                 return(ENOMEM);
 290
 291         ntoh->ntoh_vers = NDIS_TASK_OFFLOAD_VERSION;
 292         ntoh->ntoh_len = sizeof(ndis_task_offload_hdr);
 293         ntoh->ntoh_encapfmt.nef_encaphdrlen = sizeof(struct ether_header);
 294         ntoh->ntoh_encapfmt.nef_encap = NDIS_ENCAP_IEEE802_3;
 295         ntoh->ntoh_encapfmt.nef_flags = NDIS_ENCAPFLAG_FIXEDHDRLEN;
 296
 297         error = ndis_get_info(sc, OID_TCP_TASK_OFFLOAD, ntoh, &len);
 298
 299         if (error) {
 300                 free(ntoh, M_TEMP);
 301                 return(error);
 302         }
 303
 304         if (ntoh->ntoh_vers != NDIS_TASK_OFFLOAD_VERSION) {
 305                 free(ntoh, M_TEMP);
 306                 return(EINVAL);
 307         }
 308
 309         nto = (ndis_task_offload *)((char *)ntoh +
 310             ntoh->ntoh_offset_firsttask);
 311
 312         while (1) {
 313                 switch (nto->nto_task) {
 314                 case NDIS_TASK_TCPIP_CSUM:
 315                         nttc = (ndis_task_tcpip_csum *)nto->nto_taskbuf;
 316                         break;
 317                 /* Don't handle these yet. */
 318                 case NDIS_TASK_IPSEC:
 319                 case NDIS_TASK_TCP_LARGESEND:
 320                 default:
 321                         break;
 322                 }
 323                 if (nto->nto_offset_nexttask == 0)
 324                         break;
 325                 nto = (ndis_task_offload *)((char *)nto +
 326                     nto->nto_offset_nexttask);
 327         }
 328
 329         if (nttc == NULL) {
 330                 free(ntoh, M_TEMP);
 331                 return(ENOENT);
 332         }
 333
 334         sc->ndis_v4tx = nttc->nttc_v4tx;
 335         sc->ndis_v4rx = nttc->nttc_v4rx;
 336
 337         if (nttc->nttc_v4tx & NDIS_TCPSUM_FLAGS_IP_CSUM)
 338                 sc->ndis_hwassist |= CSUM_IP;
 339         if (nttc->nttc_v4tx & NDIS_TCPSUM_FLAGS_TCP_CSUM)
 340                 sc->ndis_hwassist |= CSUM_TCP;
 341         if (nttc->nttc_v4tx & NDIS_TCPSUM_FLAGS_UDP_CSUM)
 342                 sc->ndis_hwassist |= CSUM_UDP;
 343
 344         if (sc->ndis_hwassist)
 345                 ifp->if_capabilities |= IFCAP_TXCSUM;
 346
 347         if (nttc->nttc_v4rx & NDIS_TCPSUM_FLAGS_IP_CSUM)
 348                 ifp->if_capabilities |= IFCAP_RXCSUM;
 349         if (nttc->nttc_v4rx & NDIS_TCPSUM_FLAGS_TCP_CSUM)
 350                 ifp->if_capabilities |= IFCAP_RXCSUM;
 351         if (nttc->nttc_v4rx & NDIS_TCPSUM_FLAGS_UDP_CSUM)
 352                 ifp->if_capabilities |= IFCAP_RXCSUM;
 353
 354         free(ntoh, M_TEMP);
 355         return(0);
 356 }
 357
 358 /*
 359  * Attach the interface. Allocate softc structures, do ifmedia
 360  * setup and ethernet/BPF attach.
 361  */
 362 int
 363 ndis_attach(dev)
 364         device_t                dev;
 365 {
 366         u_char                  eaddr[ETHER_ADDR_LEN];
 367         struct ndis_softc       *sc;
 368         struct ifnet            *ifp = NULL;
 369         void                    *img;
 370         int                     error = 0, len;
 371         int                     i;
 372
 373         sc = device_get_softc(dev);
 374
 375         callout_init(&sc->ndis_stat_timer);
 376         NDIS_LOCK_INIT(&sc->ndis_lock);
 377         NDIS_LOCK_INIT(&sc->ndis_intrlock);
 378
 379         /*
 380          * Hook interrupt early, since calling the driver's
 381          * init routine may trigger an interrupt.
 382          */
 383
 384         error = bus_setup_intr(dev, sc->ndis_irq, INTR_TYPE_NET | INTR_MPSAFE,
 385                                ndis_intr, sc,
 386                                &sc->ndis_intrhand, NULL);
 387
 388         if (error) {
 389                 device_printf(dev, "couldn't set up irq\n");
 390                 goto fail;
 391         }
 392
 393         sc->ndis_regvals = ndis_regvals;
 394
 395 #if __FreeBSD_version < 502113
 396         sysctl_ctx_init(&sc->ndis_ctx);
 397
 398 #endif
 399         /* Create sysctl registry nodes */
 400         ndis_create_sysctls(sc);
 401
 402         /* Set up driver image in memory. */
 403         img = drv_data;
 404         ndis_load_driver((vm_offset_t)img, sc);
 405
 406         /* Tell the user what version of the API the driver is using. */
 407         device_printf(dev, "NDIS API version: %d.%d\n",
 408             sc->ndis_chars.nmc_version_major,
 409             sc->ndis_chars.nmc_version_minor);
 410
 411         /* Do resource conversion. */
 412         ndis_convert_res(sc);
 413
 414         /* Install our RX and TX interrupt handlers. */
 415         sc->ndis_block.nmb_senddone_func = ndis_txeof;
 416         sc->ndis_block.nmb_pktind_func = ndis_rxeof;
 417
 418         /* Call driver's init routine. */
 419         if (ndis_init_nic(sc)) {
 420                 device_printf (dev, "init handler failed\n");
 421                 error = ENXIO;
 422                 goto fail;
 423         }
 424
 425         /*
 426          * Get station address from the driver.
 427          */
 428         len = sizeof(eaddr);
 429         ndis_get_info(sc, OID_802_3_CURRENT_ADDRESS, &eaddr, &len);
 430
 431         bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
 432
 433         /*
 434          * Figure out of we're allowed to use multipacket sends
 435          * with this driver, and if so, how many.
 436          */
 437
 438         if (sc->ndis_chars.nmc_sendsingle_func &&
 439             sc->ndis_chars.nmc_sendmulti_func == NULL) {
 440                 sc->ndis_maxpkts = 1;
 441         } else {
 442                 len = sizeof(sc->ndis_maxpkts);
 443                 ndis_get_info(sc, OID_GEN_MAXIMUM_SEND_PACKETS,
 444                     &sc->ndis_maxpkts, &len);
 445         }
 446
 447         sc->ndis_txarray = malloc(sizeof(ndis_packet *) *
 448             sc->ndis_maxpkts, M_DEVBUF, M_NOWAIT|M_ZERO);
 449
 450         sc->ndis_txpending = sc->ndis_maxpkts;
 451
 452         sc->ndis_oidcnt = 0;
 453         /* Get supported oid list. */
 454         ndis_get_supported_oids(sc, &sc->ndis_oids, &sc->ndis_oidcnt);
 455
 456         /* If the NDIS module requested scatter/gather, init maps. */
 457         if (sc->ndis_sc)
 458                 ndis_init_dma(sc);
 459
 460         /*
 461          * See if the OID_802_11_CONFIGURATION OID is
 462          * supported by this driver. If it is, then this an 802.11
 463          * wireless driver, and we should set up media for wireless.
 464          */
 465         for (i = 0; i < sc->ndis_oidcnt; i++) {
 466                 if (sc->ndis_oids[i] == OID_802_11_CONFIGURATION) {
 467                         sc->ndis_80211++;
 468                         break;
 469                 }
 470         }
 471
 472         /* Check for task offload support. */
 473         ndis_probe_offload(sc);
 474
 475         ifp = &sc->arpcom.ac_if;
 476         ifp->if_softc = sc;
 477         if_initname(ifp, device_get_name(dev), device_get_unit(dev));
 478         ifp->if_mtu = ETHERMTU;
 479         ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
 480         ifp->if_ioctl = ndis_ioctl;
 481         ifp->if_start = ndis_start;
 482         ifp->if_watchdog = ndis_watchdog;
 483         ifp->if_init = ndis_init;
 484         ifp->if_baudrate = 10000000;
 485         ifq_set_maxlen(&ifp->if_snd, 50);
 486         ifq_set_ready(&ifp->if_snd);
 487         ifp->if_capenable = ifp->if_capabilities;
 488         ifp->if_hwassist = sc->ndis_hwassist;
 489
 490         /* Do media setup */
 491         if (sc->ndis_80211) {
 492                 struct ieee80211com     *ic = (void *)ifp;
 493                 ndis_80211_rates_ex     rates;
 494                 struct ndis_80211_nettype_list *ntl;
 495                 uint32_t                arg;
 496                 int                     r;
 497
 498                 ic->ic_phytype = IEEE80211_T_DS;
 499                 ic->ic_opmode = IEEE80211_M_STA;
 500                 ic->ic_caps = IEEE80211_C_IBSS;
 501                 ic->ic_state = IEEE80211_S_ASSOC;
 502                 ic->ic_modecaps = (1<<IEEE80211_MODE_AUTO);
 503                 len = 0;
 504                 r = ndis_get_info(sc, OID_802_11_NETWORK_TYPES_SUPPORTED,
 505                     NULL, &len);
 506                 if (r != ENOSPC)
 507                         goto nonettypes;
 508                 ntl = malloc(len, M_DEVBUF, M_WAITOK|M_ZERO);
 509                 r = ndis_get_info(sc, OID_802_11_NETWORK_TYPES_SUPPORTED,
 510                     ntl, &len);
 511                 if (r != 0) {
 512                         free(ntl, M_DEVBUF);
 513                         goto nonettypes;
 514                 }
 515
 516                 for (i = 0; i < ntl->ntl_items; i++) {
 517                         switch (ntl->ntl_type[i]) {
 518                         case NDIS_80211_NETTYPE_11FH:
 519                         case NDIS_80211_NETTYPE_11DS:
 520                                 ic->ic_modecaps |= (1<<IEEE80211_MODE_11B);
 521                                 break;
 522                         case NDIS_80211_NETTYPE_11OFDM5:
 523                                 ic->ic_modecaps |= (1<<IEEE80211_MODE_11A);
 524                                 break;
 525                         case NDIS_80211_NETTYPE_11OFDM24:
 526                                 ic->ic_modecaps |= (1<<IEEE80211_MODE_11G);
 527                                 break;
 528                         default:
 529                                 break;
 530                         }
 531                 }
 532                 free(ntl, M_DEVBUF);
 533 nonettypes:
 534                 len = sizeof(rates);
 535                 bzero((char *)&rates, len);
 536                 r = ndis_get_info(sc, OID_802_11_SUPPORTED_RATES,
 537                     (void *)rates, &len);
 538                 if (r)
 539                         device_printf (dev, "get rates failed: 0x%x\n", r);
 540                 /*
 541                  * Since the supported rates only up to 8 can be supported,
 542                  * if this is not 802.11b we're just going to be faking it
 543                  * all up to heck.
 544                  */
 545
 546 #define TESTSETRATE(x, y)                                               \
 547         do {                                                            \
 548                 int                     i;                              \
 549                 for (i = 0; i < ic->ic_sup_rates[x].rs_nrates; i++) {   \
 550                         if (ic->ic_sup_rates[x].rs_rates[i] == (y))     \
 551                                 break;                                  \
 552                 }                                                       \
 553                 if (i == ic->ic_sup_rates[x].rs_nrates) {               \
 554                         ic->ic_sup_rates[x].rs_rates[i] = (y);          \
 555                         ic->ic_sup_rates[x].rs_nrates++;                \
 556                 }                                                       \
 557         } while (0)
 558
 559 #define SETRATE(x, y)   \
 560         ic->ic_sup_rates[x].rs_rates[ic->ic_sup_rates[x].rs_nrates] = (y)
 561 #define INCRATE(x)      \
 562         ic->ic_sup_rates[x].rs_nrates++
 563
 564                 ic->ic_curmode = IEEE80211_MODE_AUTO;
 565                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11A))
 566                         ic->ic_sup_rates[IEEE80211_MODE_11A].rs_nrates = 0;
 567                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11B))
 568                         ic->ic_sup_rates[IEEE80211_MODE_11B].rs_nrates = 0;
 569                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11G))
 570                         ic->ic_sup_rates[IEEE80211_MODE_11G].rs_nrates = 0;
 571                 for (i = 0; i < len; i++) {
 572                         switch (rates[i] & IEEE80211_RATE_VAL) {
 573                         case 2:
 574                         case 4:
 575                         case 11:
 576                         case 10:
 577                         case 22:
 578                                 if (!(ic->ic_modecaps &
 579                                     (1<<IEEE80211_MODE_11B))) {
 580                                         /* Lazy-init 802.11b. */
 581                                         ic->ic_modecaps |=
 582                                             (1<<IEEE80211_MODE_11B);
 583                                         ic->ic_sup_rates[IEEE80211_MODE_11B].
 584                                             rs_nrates = 0;
 585                                 }
 586                                 SETRATE(IEEE80211_MODE_11B, rates[i]);
 587                                 INCRATE(IEEE80211_MODE_11B);
 588                                 break;
 589                         default:
 590                                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11A)) {
 591                                         SETRATE(IEEE80211_MODE_11A, rates[i]);
 592                                         INCRATE(IEEE80211_MODE_11A);
 593                                 }
 594                                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11G)) {
 595                                         SETRATE(IEEE80211_MODE_11G, rates[i]);
 596                                         INCRATE(IEEE80211_MODE_11G);
 597                                 }
 598                                 break;
 599                         }
 600                 }
 601
 602                 /*
 603                  * If the hardware supports 802.11g, it most
 604                  * likely supports 802.11b and all of the
 605                  * 802.11b and 802.11g speeds, so maybe we can
 606                  * just cheat here.  Just how in the heck do
 607                  * we detect turbo modes, though?
 608                  */
 609                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11B)) {
 610                         TESTSETRATE(IEEE80211_MODE_11B,
 611                             IEEE80211_RATE_BASIC|2);
 612                         TESTSETRATE(IEEE80211_MODE_11B,
 613                             IEEE80211_RATE_BASIC|4);
 614                         TESTSETRATE(IEEE80211_MODE_11B,
 615                             IEEE80211_RATE_BASIC|11);
 616                         TESTSETRATE(IEEE80211_MODE_11B,
 617                             IEEE80211_RATE_BASIC|22);
 618                 }
 619                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11G)) {
 620                         TESTSETRATE(IEEE80211_MODE_11G, 47);
 621                         TESTSETRATE(IEEE80211_MODE_11G, 72);
 622                         TESTSETRATE(IEEE80211_MODE_11G, 96);
 623                         TESTSETRATE(IEEE80211_MODE_11G, 108);
 624                 }
 625                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11A)) {
 626                         TESTSETRATE(IEEE80211_MODE_11A, 47);
 627                         TESTSETRATE(IEEE80211_MODE_11A, 72);
 628                         TESTSETRATE(IEEE80211_MODE_11A, 96);
 629                         TESTSETRATE(IEEE80211_MODE_11A, 108);
 630                 }
 631 #undef SETRATE
 632 #undef INCRATE
 633                 /*
 634                  * Taking yet more guesses here.
 635                  */
 636                 for (i = 1; i < IEEE80211_CHAN_MAX; i++) {
 637                         int chanflag = 0;
 638
 639                         if (ic->ic_sup_rates[IEEE80211_MODE_11G].rs_nrates)
 640                                 chanflag |= IEEE80211_CHAN_G;
 641                         if (i <= 14)
 642                                 chanflag |= IEEE80211_CHAN_B;
 643                         if (ic->ic_sup_rates[IEEE80211_MODE_11A].rs_nrates &&
 644                             i > 14)
 645                                 chanflag = IEEE80211_CHAN_A;
 646                         if (chanflag == 0)
 647                                 break;
 648                         ic->ic_channels[i].ic_freq =
 649                             ieee80211_ieee2mhz(i, chanflag);
 650                         ic->ic_channels[i].ic_flags = chanflag;
 651                 }
 652
 653                 i = sizeof(arg);
 654                 r = ndis_get_info(sc, OID_802_11_WEP_STATUS, &arg, &i);
 655                 if (arg != NDIS_80211_WEPSTAT_NOTSUPPORTED)
 656                         ic->ic_caps |= IEEE80211_C_WEP;
 657                 i = sizeof(arg);
 658                 r = ndis_get_info(sc, OID_802_11_POWER_MODE, &arg, &i);
 659                 if (r == 0)
 660                         ic->ic_caps |= IEEE80211_C_PMGT;
 661                 bcopy(eaddr, &ic->ic_myaddr, sizeof(eaddr));
 662                 ieee80211_ifattach(ifp);
 663                 ieee80211_media_init(ifp, ieee80211_media_change,
 664                     ndis_media_status);
 665                 ic->ic_ibss_chan = IEEE80211_CHAN_ANYC;
 666                 ic->ic_bss->ni_chan = ic->ic_ibss_chan;
 667         } else {
 668                 ifmedia_init(&sc->ifmedia, IFM_IMASK, ndis_ifmedia_upd,
 669                     ndis_ifmedia_sts);
 670                 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_T, 0, NULL);
 671                 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_T|IFM_FDX, 0, NULL);
 672                 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_100_TX, 0, NULL);
 673                 ifmedia_add(&sc->ifmedia,
 674                     IFM_ETHER|IFM_100_TX|IFM_FDX, 0, NULL);
 675                 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_AUTO, 0, NULL);
 676                 ifmedia_set(&sc->ifmedia, IFM_ETHER|IFM_AUTO);
 677                 ether_ifattach(ifp, eaddr);
 678         }
 679
 680         /* Override the status handler so we can detect link changes. */
 681         sc->ndis_block.nmb_status_func = ndis_linksts;
 682         sc->ndis_block.nmb_statusdone_func = ndis_linksts_done;
 683 fail:
 684         if (error)
 685                 ndis_detach(dev);
 686         else
 687                 /* We're done talking to the NIC for now; halt it. */
 688                 ndis_halt_nic(sc);
 689
 690         return(error);
 691 }
 692
 693 /*
 694  * Shutdown hardware and free up resources. This can be called any
 695  * time after the mutex has been initialized. It is called in both
 696  * the error case in attach and the normal detach case so it needs
 697  * to be careful about only freeing resources that have actually been
 698  * allocated.
 699  */
 700 int
 701 ndis_detach(dev)
 702         device_t                dev;
 703 {
 704         struct ndis_softc       *sc;
 705         struct ifnet            *ifp;
 706         NDIS_LOCK_INFO;
 707
 708         sc = device_get_softc(dev);
 709         NDIS_LOCK(sc);
 710         ifp = &sc->arpcom.ac_if;
 711         ifp->if_flags &= ~IFF_UP;
 712
 713         if (device_is_attached(dev)) {
 714                 NDIS_UNLOCK(sc);
 715                 ndis_stop(sc);
 716                 if (sc->ndis_80211)
 717                         ieee80211_ifdetach(ifp);
 718                 else
 719                         ether_ifdetach(ifp);
 720         } else
 721                 NDIS_UNLOCK(sc);
 722
 723         bus_generic_detach(dev);
 724
 725         if (sc->ndis_intrhand)
 726                 bus_teardown_intr(dev, sc->ndis_irq, sc->ndis_intrhand);
 727         if (sc->ndis_irq)
 728                 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->ndis_irq);
 729         if (sc->ndis_res_io)
 730                 bus_release_resource(dev, SYS_RES_IOPORT,
 731                     sc->ndis_io_rid, sc->ndis_res_io);
 732         if (sc->ndis_res_mem)
 733                 bus_release_resource(dev, SYS_RES_MEMORY,
 734                     sc->ndis_mem_rid, sc->ndis_res_mem);
 735         if (sc->ndis_res_altmem)
 736                 bus_release_resource(dev, SYS_RES_MEMORY,
 737                     sc->ndis_altmem_rid, sc->ndis_res_altmem);
 738
 739         if (sc->ndis_sc)
 740                 ndis_destroy_dma(sc);
 741
 742         ndis_unload_driver((void *)ifp);
 743
 744         if (sc->ndis_iftype == PCIBus)
 745                 bus_dma_tag_destroy(sc->ndis_parent_tag);
 746
 747 #if __FreeBSD_version < 502113
 748         sysctl_ctx_free(&sc->ndis_ctx);
 749
 750 #endif
 751         NDIS_LOCK_DESTROY(&sc->ndis_lock);
 752         NDIS_LOCK_DESTROY(&sc->ndis_intrlock);
 753
 754         return(0);
 755 }
 756
 757 int
 758 ndis_suspend(dev)
 759         device_t                dev;
 760 {
 761         struct ndis_softc       *sc;
 762         struct ifnet            *ifp;
 763
 764         sc = device_get_softc(dev);
 765         ifp = &sc->arpcom.ac_if;
 766
 767 #ifdef notdef
 768         if (NDIS_INITIALIZED(sc))
 769                 ndis_stop(sc);
 770 #endif
 771
 772         return(0);
 773 }
 774
 775 int
 776 ndis_resume(dev)
 777         device_t                dev;
 778 {
 779         struct ndis_softc       *sc;
 780         struct ifnet            *ifp;
 781
 782         sc = device_get_softc(dev);
 783         ifp = &sc->arpcom.ac_if;
 784
 785         if (NDIS_INITIALIZED(sc))
 786                 ndis_init(sc);
 787
 788         return(0);
 789 }
 790
 791 /*
 792  * A frame has been uploaded: pass the resulting mbuf chain up to
 793  * the higher level protocols.
 794  *
 795  * When handling received NDIS packets, the 'status' field in the
 796  * out-of-band portion of the ndis_packet has special meaning. In the
 797  * most common case, the underlying NDIS driver will set this field
 798  * to NDIS_STATUS_SUCCESS, which indicates that it's ok for us to
 799  * take posession of it. We then change the status field to
 800  * NDIS_STATUS_PENDING to tell the driver that we now own the packet,
 801  * and that we will return it at some point in the future via the
 802  * return packet handler.
 803  *
 804  * If the driver hands us a packet with a status of NDIS_STATUS_RESOURCES,
 805  * this means the driver is running out of packet/buffer resources and
 806  * wants to maintain ownership of the packet. In this case, we have to
 807  * copy the packet data into local storage and let the driver keep the
 808  * packet.
 809  */
 810 __stdcall static void
 811 ndis_rxeof(adapter, packets, pktcnt)
 812         ndis_handle             adapter;
 813         ndis_packet             **packets;
 814         uint32_t                pktcnt;
 815 {
 816         struct ndis_softc       *sc;
 817         ndis_miniport_block     *block;
 818         ndis_packet             *p;
 819         uint32_t                s;
 820         ndis_tcpip_csum         *csum;
 821         struct ifnet            *ifp;
 822         struct mbuf             *m0, *m;
 823         int                     i;
 824
 825         block = (ndis_miniport_block *)adapter;
 826         sc = (struct ndis_softc *)(block->nmb_ifp);
 827         ifp = block->nmb_ifp;
 828
 829         for (i = 0; i < pktcnt; i++) {
 830                 p = packets[i];
 831                 /* Stash the softc here so ptom can use it. */
 832                 p->np_softc = sc;
 833                 if (ndis_ptom(&m0, p)) {
 834                         device_printf (sc->ndis_dev, "ptom failed\n");
 835                         if (p->np_oob.npo_status == NDIS_STATUS_SUCCESS)
 836                                 ndis_return_packet(sc, p);
 837                 } else {
 838                         if (p->np_oob.npo_status == NDIS_STATUS_RESOURCES) {
 839                                 m = m_dup(m0, MB_DONTWAIT);
 840                                 /*
 841                                  * NOTE: we want to destroy the mbuf here, but
 842                                  * we don't actually want to return it to the
 843                                  * driver via the return packet handler. By
 844                                  * bumping np_refcnt, we can prevent the
 845                                  * ndis_return_packet() routine from actually
 846                                  * doing anything.
 847                                  */
 848                                 p->np_refcnt++;
 849                                 m_freem(m0);
 850                                 if (m == NULL)
 851                                         ifp->if_ierrors++;
 852                                 else
 853                                         m0 = m;
 854                         } else
 855                                 p->np_oob.npo_status = NDIS_STATUS_PENDING;
 856                         m0->m_pkthdr.rcvif = ifp;
 857                         ifp->if_ipackets++;
 858
 859                         /* Deal with checksum offload. */
 860
 861                         if (ifp->if_capenable & IFCAP_RXCSUM &&
 862                             p->np_ext.npe_info[ndis_tcpipcsum_info] != NULL) {
 863                                 s = (uintptr_t)
 864                                     p->np_ext.npe_info[ndis_tcpipcsum_info];
 865                                 csum = (ndis_tcpip_csum *)&s;
 866                                 if (csum->u.ntc_rxflags &
 867                                     NDIS_RXCSUM_IP_PASSED)
 868                                         m0->m_pkthdr.csum_flags |=
 869                                             CSUM_IP_CHECKED|CSUM_IP_VALID;
 870                                 if (csum->u.ntc_rxflags &
 871                                     (NDIS_RXCSUM_TCP_PASSED |
 872                                     NDIS_RXCSUM_UDP_PASSED)) {
 873                                         m0->m_pkthdr.csum_flags |=
 874                                             CSUM_DATA_VALID|CSUM_PSEUDO_HDR;
 875                                         m0->m_pkthdr.csum_data = 0xFFFF;
 876                                 }
 877                         }
 878
 879                         (*ifp->if_input)(ifp, m0);
 880                 }
 881         }
 882
 883         return;
 884 }
 885
 886 /*
 887  * A frame was downloaded to the chip. It's safe for us to clean up
 888  * the list buffers.
 889  */
 890 __stdcall static void
 891 ndis_txeof(adapter, packet, status)
 892         ndis_handle             adapter;
 893         ndis_packet             *packet;
 894         ndis_status             status;
 895
 896 {
 897         struct ndis_softc       *sc;
 898         ndis_miniport_block     *block;
 899         struct ifnet            *ifp;
 900         int                     idx;
 901         struct mbuf             *m;
 902         NDIS_LOCK_INFO;
 903
 904         block = (ndis_miniport_block *)adapter;
 905         sc = (struct ndis_softc *)block->nmb_ifp;
 906         ifp = block->nmb_ifp;
 907
 908         m = packet->np_m0;
 909         idx = packet->np_txidx;
 910         if (sc->ndis_sc)
 911                 bus_dmamap_unload(sc->ndis_ttag, sc->ndis_tmaps[idx]);
 912
 913         ndis_free_packet(packet);
 914         m_freem(m);
 915
 916         NDIS_LOCK(sc);
 917         sc->ndis_txarray[idx] = NULL;
 918         sc->ndis_txpending++;
 919
 920         if (status == NDIS_STATUS_SUCCESS)
 921                 ifp->if_opackets++;
 922         else
 923                 ifp->if_oerrors++;
 924         ifp->if_timer = 0;
 925         ifp->if_flags &= ~IFF_OACTIVE;
 926         NDIS_UNLOCK(sc);
 927
 928         ndis_sched(ndis_starttask, ifp, NDIS_TASKQUEUE);
 929
 930         return;
 931 }
 932
 933 __stdcall static void
 934 ndis_linksts(adapter, status, sbuf, slen)
 935         ndis_handle             adapter;
 936         ndis_status             status;
 937         void                    *sbuf;
 938         uint32_t                slen;
 939 {
 940         ndis_miniport_block     *block;
 941
 942         block = adapter;
 943         block->nmb_getstat = status;
 944
 945         return;
 946 }
 947
 948 __stdcall static void
 949 ndis_linksts_done(adapter)
 950         ndis_handle             adapter;
 951 {
 952         ndis_miniport_block     *block;
 953         struct ndis_softc       *sc;
 954         struct ifnet            *ifp;
 955
 956         block = adapter;
 957         ifp = block->nmb_ifp;
 958         sc = ifp->if_softc;
 959
 960         if (!NDIS_INITIALIZED(sc))
 961                 return;
 962
 963         switch (block->nmb_getstat) {
 964         case NDIS_STATUS_MEDIA_CONNECT:
 965                 ndis_sched(ndis_ticktask, sc, NDIS_TASKQUEUE);
 966                 ndis_sched(ndis_starttask, ifp, NDIS_TASKQUEUE);
 967                 break;
 968         case NDIS_STATUS_MEDIA_DISCONNECT:
 969                 if (sc->ndis_link)
 970                         ndis_sched(ndis_ticktask, sc, NDIS_TASKQUEUE);
 971                 break;
 972         default:
 973                 break;
 974         }
 975
 976         return;
 977 }
 978
 979 static void
 980 ndis_intrtask(arg)
 981         void                    *arg;
 982 {
 983         struct ndis_softc       *sc;
 984         struct ifnet            *ifp;
 985         uint8_t                 irql;
 986         NDIS_LOCK_INFO;
 987
 988         sc = arg;
 989         ifp = &sc->arpcom.ac_if;
 990
 991         irql = FASTCALL1(hal_raise_irql, DISPATCH_LEVEL);
 992         ndis_intrhand(sc);
 993         FASTCALL1(hal_lower_irql, irql);
 994         NDIS_INTRLOCK(sc);
 995         ndis_enable_intr(sc);
 996         NDIS_INTRUNLOCK(sc);
 997
 998         return;
 999 }
1000
1001 static void
1002 ndis_intr(arg)
1003         void                    *arg;
1004 {
1005         struct ndis_softc       *sc;
1006         struct ifnet            *ifp;
1007         int                     is_our_intr = 0;
1008         int                     call_isr = 0;
1009         NDIS_LOCK_INFO;
1010
1011         sc = arg;
1012         ifp = &sc->arpcom.ac_if;
1013
1014         if (sc->ndis_block.nmb_miniportadapterctx == NULL)
1015                 return;
1016
1017         NDIS_INTRLOCK(sc);
1018         if (sc->ndis_block.nmb_interrupt->ni_isrreq == TRUE)
1019                 ndis_isr(sc, &is_our_intr, &call_isr);
1020         else {
1021                 ndis_disable_intr(sc);
1022                 call_isr = 1;
1023         }
1024         NDIS_INTRUNLOCK(sc);
1025
1026         if ((is_our_intr || call_isr))
1027                 ndis_sched(ndis_intrtask, ifp, NDIS_SWI);
1028
1029         return;
1030 }
1031
1032 static void
1033 ndis_tick(xsc)
1034         void                    *xsc;
1035 {
1036         struct ndis_softc       *sc;
1037
1038         sc = xsc;
1039
1040         ndis_sched(ndis_ticktask, sc, NDIS_TASKQUEUE);
1041         callout_reset(&sc->ndis_stat_timer,
1042                       hz *sc->ndis_block.nmb_checkforhangsecs, ndis_tick, sc);
1043 }
1044
1045 static void
1046 ndis_ticktask(xsc)
1047         void                    *xsc;
1048 {
1049         struct ndis_softc       *sc;
1050         __stdcall ndis_checkforhang_handler hangfunc;
1051         uint8_t                 rval;
1052         ndis_media_state        linkstate;
1053         int                     error, len;
1054         NDIS_LOCK_INFO;
1055
1056         sc = xsc;
1057
1058         hangfunc = sc->ndis_chars.nmc_checkhang_func;
1059
1060         if (hangfunc != NULL) {
1061                 rval = hangfunc(sc->ndis_block.nmb_miniportadapterctx);
1062                 if (rval == TRUE) {
1063                         ndis_reset_nic(sc);
1064                         return;
1065                 }
1066         }
1067
1068         len = sizeof(linkstate);
1069         error = ndis_get_info(sc, OID_GEN_MEDIA_CONNECT_STATUS,
1070             (void *)&linkstate, &len);
1071
1072         NDIS_LOCK(sc);
1073
1074         if (sc->ndis_link == 0 && linkstate == nmc_connected) {
1075                 device_printf(sc->ndis_dev, "link up\n");
1076                 sc->ndis_link = 1;
1077                 NDIS_UNLOCK(sc);
1078                 if (sc->ndis_80211)
1079                         ndis_getstate_80211(sc);
1080                 NDIS_LOCK(sc);
1081 #ifdef LINK_STATE_UP
1082                 sc->arpcom.ac_if.if_link_state = LINK_STATE_UP;
1083                 rt_ifmsg(&(sc->arpcom.ac_if));
1084 #endif /* LINK_STATE_UP */
1085         }
1086
1087         if (sc->ndis_link == 1 && linkstate == nmc_disconnected) {
1088                 device_printf(sc->ndis_dev, "link down\n");
1089                 sc->ndis_link = 0;
1090 #ifdef LINK_STATE_DOWN
1091                 sc->arpcom.ac_if.if_link_state = LINK_STATE_DOWN;
1092                 rt_ifmsg(&(sc->arpcom.ac_if));
1093 #endif /* LINK_STATE_DOWN */
1094         }
1095
1096         NDIS_UNLOCK(sc);
1097
1098         return;
1099 }
1100
1101 static void
1102 ndis_map_sclist(arg, segs, nseg, mapsize, error)
1103         void                    *arg;
1104         bus_dma_segment_t       *segs;
1105         int                     nseg;
1106         bus_size_t              mapsize;
1107         int                     error;
1108
1109 {
1110         struct ndis_sc_list     *sclist;
1111         int                     i;
1112
1113         if (error || arg == NULL)
1114                 return;
1115
1116         sclist = arg;
1117
1118         sclist->nsl_frags = nseg;
1119
1120         for (i = 0; i < nseg; i++) {
1121                 sclist->nsl_elements[i].nse_addr.np_quad = segs[i].ds_addr;
1122                 sclist->nsl_elements[i].nse_len = segs[i].ds_len;
1123         }
1124
1125         return;
1126 }
1127
1128 static void
1129 ndis_starttask(arg)
1130         void                    *arg;
1131 {
1132         struct ifnet            *ifp;
1133
1134         ifp = arg;
1135         if (!ifq_is_empty(&ifp->if_snd))
1136                 ndis_start(ifp);
1137         return;
1138 }
1139
1140 /*
1141  * Main transmit routine. To make NDIS drivers happy, we need to
1142  * transform mbuf chains into NDIS packets and feed them to the
1143  * send packet routines. Most drivers allow you to send several
1144  * packets at once (up to the maxpkts limit). Unfortunately, rather
1145  * that accepting them in the form of a linked list, they expect
1146  * a contiguous array of pointers to packets.
1147  *
1148  * For those drivers which use the NDIS scatter/gather DMA mechanism,
1149  * we need to perform busdma work here. Those that use map registers
1150  * will do the mapping themselves on a buffer by buffer basis.
1151  */
1152
1153 static void
1154 ndis_start(ifp)
1155         struct ifnet            *ifp;
1156 {
1157         struct ndis_softc       *sc;
1158         struct mbuf             *m = NULL;
1159         ndis_packet             **p0 = NULL, *p = NULL;
1160         ndis_tcpip_csum         *csum;
1161         int                     pcnt = 0;
1162         NDIS_LOCK_INFO;
1163
1164         sc = ifp->if_softc;
1165
1166         NDIS_LOCK(sc);
1167
1168         if (!sc->ndis_link || ifp->if_flags & IFF_OACTIVE) {
1169                 NDIS_UNLOCK(sc);
1170                 return;
1171         }
1172
1173         p0 = &sc->ndis_txarray[sc->ndis_txidx];
1174
1175         while(sc->ndis_txpending) {
1176                 m = ifq_poll(&ifp->if_snd);
1177                 if (m == NULL)
1178                         break;
1179
1180                 sc->ndis_txarray[sc->ndis_txidx] = NULL;
1181
1182                 if (ndis_mtop(m, &sc->ndis_txarray[sc->ndis_txidx])) {
1183                         NDIS_UNLOCK(sc);
1184                         return;
1185                 }
1186                 m = ifq_dequeue(&ifp->if_snd);
1187
1188                 /*
1189                  * Save pointer to original mbuf
1190                  * so we can free it later.
1191                  */
1192
1193                 p = sc->ndis_txarray[sc->ndis_txidx];
1194                 p->np_txidx = sc->ndis_txidx;
1195                 p->np_m0 = m;
1196                 p->np_oob.npo_status = NDIS_STATUS_PENDING;
1197
1198                 /*
1199                  * Do scatter/gather processing, if driver requested it.
1200                  */
1201                 if (sc->ndis_sc) {
1202                         bus_dmamap_load_mbuf(sc->ndis_ttag,
1203                             sc->ndis_tmaps[sc->ndis_txidx], m,
1204                             ndis_map_sclist, &p->np_sclist, BUS_DMA_NOWAIT);
1205                         bus_dmamap_sync(sc->ndis_ttag,
1206                             sc->ndis_tmaps[sc->ndis_txidx],
1207                             BUS_DMASYNC_PREREAD);
1208                         p->np_ext.npe_info[ndis_sclist_info] = &p->np_sclist;
1209                 }
1210
1211                 /* Handle checksum offload. */
1212
1213                 if (ifp->if_capenable & IFCAP_TXCSUM &&
1214                     m->m_pkthdr.csum_flags) {
1215                         csum = (ndis_tcpip_csum *)
1216                                 &p->np_ext.npe_info[ndis_tcpipcsum_info];
1217                         csum->u.ntc_txflags = NDIS_TXCSUM_DO_IPV4;
1218                         if (m->m_pkthdr.csum_flags & CSUM_IP)
1219                                 csum->u.ntc_txflags |= NDIS_TXCSUM_DO_IP;
1220                         if (m->m_pkthdr.csum_flags & CSUM_TCP)
1221                                 csum->u.ntc_txflags |= NDIS_TXCSUM_DO_TCP;
1222                         if (m->m_pkthdr.csum_flags & CSUM_UDP)
1223                                 csum->u.ntc_txflags |= NDIS_TXCSUM_DO_UDP;
1224                         p->np_private.npp_flags = NDIS_PROTOCOL_ID_TCP_IP;
1225                 }
1226
1227                 NDIS_INC(sc);
1228                 sc->ndis_txpending--;
1229
1230                 pcnt++;
1231
1232                 /*
1233                  * If there's a BPF listener, bounce a copy of this frame
1234                  * to him.
1235                  */
1236
1237                 BPF_MTAP(ifp, m);
1238
1239                 /*
1240                  * The array that p0 points to must appear contiguous,
1241                  * so we must not wrap past the end of sc->ndis_txarray[].
1242                  * If it looks like we're about to wrap, break out here
1243                  * so the this batch of packets can be transmitted, then
1244                  * wait for txeof to ask us to send the rest.
1245                  */
1246
1247                 if (sc->ndis_txidx == 0)
1248                         break;
1249         }
1250
1251         if (sc->ndis_txpending == 0)
1252                 ifp->if_flags |= IFF_OACTIVE;
1253
1254         /*
1255          * Set a timeout in case the chip goes out to lunch.
1256          */
1257         ifp->if_timer = 5;
1258
1259         NDIS_UNLOCK(sc);
1260
1261         if (sc->ndis_maxpkts == 1)
1262                 ndis_send_packet(sc, p);
1263         else
1264                 ndis_send_packets(sc, p0, pcnt);
1265
1266         return;
1267 }
1268
1269 static void
1270 ndis_init(xsc)
1271         void                    *xsc;
1272 {
1273         struct ndis_softc       *sc = xsc;
1274         struct ifnet            *ifp = &sc->arpcom.ac_if;
1275         int                     i, error;
1276         NDIS_LOCK_INFO;
1277
1278         /*
1279          * Avoid reintializing the link unnecessarily.
1280          * This should be dealt with in a better way by
1281          * fixing the upper layer modules so they don't
1282          * call ifp->if_init() quite as often.
1283          */
1284         if (sc->ndis_link && sc->ndis_skip)
1285                 return;
1286
1287         /*
1288          * Cancel pending I/O and free all RX/TX buffers.
1289          */
1290         ndis_stop(sc);
1291         if (ndis_init_nic(sc))
1292                 return;
1293
1294         /* Init our MAC address */
1295
1296         /* Program the packet filter */
1297
1298         sc->ndis_filter = NDIS_PACKET_TYPE_DIRECTED;
1299
1300         if (ifp->if_flags & IFF_BROADCAST)
1301                 sc->ndis_filter |= NDIS_PACKET_TYPE_BROADCAST;
1302
1303         if (ifp->if_flags & IFF_PROMISC)
1304                 sc->ndis_filter |= NDIS_PACKET_TYPE_PROMISCUOUS;
1305
1306         i = sizeof(sc->ndis_filter);
1307
1308         error = ndis_set_info(sc, OID_GEN_CURRENT_PACKET_FILTER,
1309             &sc->ndis_filter, &i);
1310
1311         if (error)
1312                 device_printf (sc->ndis_dev, "set filter failed: %d\n", error);
1313
1314         /*
1315          * Program the multicast filter, if necessary.
1316          */
1317         ndis_setmulti(sc);
1318
1319         /* Setup task offload. */
1320         ndis_set_offload(sc);
1321
1322         /* Enable interrupts. */
1323         ndis_enable_intr(sc);
1324
1325         if (sc->ndis_80211)
1326                 ndis_setstate_80211(sc);
1327
1328         NDIS_LOCK(sc);
1329
1330         sc->ndis_txidx = 0;
1331         sc->ndis_txpending = sc->ndis_maxpkts;
1332         sc->ndis_link = 0;
1333
1334         ifp->if_flags |= IFF_RUNNING;
1335         ifp->if_flags &= ~IFF_OACTIVE;
1336
1337         NDIS_UNLOCK(sc);
1338
1339         /*
1340          * Some drivers don't set this value. The NDIS spec says
1341          * the default checkforhang timeout is "approximately 2
1342          * seconds." We use 3 seconds, because it seems for some
1343          * drivers, exactly 2 seconds is too fast.
1344          */
1345
1346         if (sc->ndis_block.nmb_checkforhangsecs == 0)
1347                 sc->ndis_block.nmb_checkforhangsecs = 3;
1348
1349         callout_reset(&sc->ndis_stat_timer,
1350                       hz * sc->ndis_block.nmb_checkforhangsecs, ndis_tick, sc);
1351 }
1352
1353 /*
1354  * Set media options.
1355  */
1356 static int
1357 ndis_ifmedia_upd(ifp)
1358         struct ifnet            *ifp;
1359 {
1360         struct ndis_softc               *sc;
1361
1362         sc = ifp->if_softc;
1363
1364         if (NDIS_INITIALIZED(sc))
1365                 ndis_init(sc);
1366
1367         return(0);
1368 }
1369
1370 /*
1371  * Report current media status.
1372  */
1373 static void
1374 ndis_ifmedia_sts(ifp, ifmr)
1375         struct ifnet            *ifp;
1376         struct ifmediareq       *ifmr;
1377 {
1378         struct ndis_softc       *sc;
1379         uint32_t                media_info;
1380         ndis_media_state        linkstate;
1381         int                     error, len;
1382
1383         ifmr->ifm_status = IFM_AVALID;
1384         ifmr->ifm_active = IFM_ETHER;
1385         sc = ifp->if_softc;
1386
1387         if (!NDIS_INITIALIZED(sc))
1388                 return;
1389
1390         len = sizeof(linkstate);
1391         error = ndis_get_info(sc, OID_GEN_MEDIA_CONNECT_STATUS,
1392             (void *)&linkstate, &len);
1393
1394         len = sizeof(media_info);
1395         error = ndis_get_info(sc, OID_GEN_LINK_SPEED,
1396             (void *)&media_info, &len);
1397
1398         if (linkstate == nmc_connected)
1399                 ifmr->ifm_status |= IFM_ACTIVE;
1400
1401         switch(media_info) {
1402         case 100000:
1403                 ifmr->ifm_active |= IFM_10_T;
1404                 break;
1405         case 1000000:
1406                 ifmr->ifm_active |= IFM_100_TX;
1407                 break;
1408         case 10000000:
1409                 ifmr->ifm_active |= IFM_1000_T;
1410                 break;
1411         default:
1412                 device_printf(sc->ndis_dev, "unknown speed: %d\n", media_info);
1413                 break;
1414         }
1415
1416         return;
1417 }
1418
1419 static void
1420 ndis_setstate_80211(sc)
1421         struct ndis_softc       *sc;
1422 {
1423         struct ieee80211com     *ic;
1424         ndis_80211_ssid         ssid;
1425         ndis_80211_config       config;
1426         ndis_80211_wep          wep;
1427         int                     i, rval = 0, len;
1428         uint32_t                arg;
1429         struct ifnet            *ifp;
1430
1431         ic = &sc->ic;
1432         ifp = &sc->ic.ic_ac.ac_if;
1433
1434         if (!NDIS_INITIALIZED(sc))
1435                 return;
1436
1437         /* Set network infrastructure mode. */
1438
1439         len = sizeof(arg);
1440         if (ic->ic_opmode == IEEE80211_M_IBSS)
1441                 arg = NDIS_80211_NET_INFRA_IBSS;
1442         else
1443                 arg = NDIS_80211_NET_INFRA_BSS;
1444
1445         rval = ndis_set_info(sc, OID_802_11_INFRASTRUCTURE_MODE, &arg, &len);
1446
1447         if (rval)
1448                 device_printf (sc->ndis_dev, "set infra failed: %d\n", rval);
1449
1450         /* Set WEP */
1451
1452 #ifdef IEEE80211_F_WEPON
1453         if (ic->ic_flags & IEEE80211_F_WEPON) {
1454 #else
1455         if (ic->ic_wep_mode >= IEEE80211_WEP_ON) {
1456 #endif
1457                 for (i = 0; i < IEEE80211_WEP_NKID; i++) {
1458                         if (ic->ic_nw_keys[i].wk_len) {
1459                                 bzero((char *)&wep, sizeof(wep));
1460                                 wep.nw_keylen = ic->ic_nw_keys[i].wk_len;
1461 #ifdef notdef
1462                                 /* 5 and 13 are the only valid key lengths */
1463                                 if (ic->ic_nw_keys[i].wk_len < 5)
1464                                         wep.nw_keylen = 5;
1465                                 else if (ic->ic_nw_keys[i].wk_len > 5 &&
1466                                      ic->ic_nw_keys[i].wk_len < 13)
1467                                         wep.nw_keylen = 13;
1468 #endif
1469                                 wep.nw_keyidx = i;
1470                                 wep.nw_length = (sizeof(uint32_t) * 3)
1471                                     + wep.nw_keylen;
1472                                 if (i == ic->ic_wep_txkey)
1473                                         wep.nw_keyidx |= NDIS_80211_WEPKEY_TX;
1474                                 bcopy(ic->ic_nw_keys[i].wk_key,
1475                                     wep.nw_keydata, wep.nw_length);
1476                                 len = sizeof(wep);
1477                                 rval = ndis_set_info(sc,
1478                                     OID_802_11_ADD_WEP, &wep, &len);
1479                                 if (rval)
1480                                         device_printf(sc->ndis_dev,
1481                                             "set wepkey failed: %d\n", rval);
1482                         }
1483                 }
1484                 arg = NDIS_80211_WEPSTAT_ENABLED;
1485                 len = sizeof(arg);
1486                 rval = ndis_set_info(sc, OID_802_11_WEP_STATUS, &arg, &len);
1487                 if (rval)
1488                         device_printf(sc->ndis_dev,
1489                             "enable WEP failed: %d\n", rval);
1490 #ifndef IEEE80211_F_WEPON
1491                 if (ic->ic_wep_mode != IEEE80211_WEP_8021X &&
1492                     ic->ic_wep_mode != IEEE80211_WEP_ON)
1493                         arg = NDIS_80211_PRIVFILT_ACCEPTALL;
1494                 else
1495 #endif
1496                         arg = NDIS_80211_PRIVFILT_8021XWEP;
1497                 len = sizeof(arg);
1498                 rval = ndis_set_info(sc, OID_802_11_PRIVACY_FILTER, &arg, &len);
1499 #ifdef IEEE80211_WEP_8021X /*IEEE80211_F_WEPON*/
1500                 /* Accept that we only have "shared" and 802.1x modes. */
1501                 if (rval == 0) {
1502                         if (arg == NDIS_80211_PRIVFILT_ACCEPTALL)
1503                                 ic->ic_wep_mode = IEEE80211_WEP_MIXED;
1504                         else
1505                                 ic->ic_wep_mode = IEEE80211_WEP_8021X;
1506                 }
1507 #endif
1508                 arg = NDIS_80211_AUTHMODE_OPEN;
1509         } else {
1510                 arg = NDIS_80211_WEPSTAT_DISABLED;
1511                 len = sizeof(arg);
1512                 ndis_set_info(sc, OID_802_11_WEP_STATUS, &arg, &len);
1513                 arg = NDIS_80211_AUTHMODE_OPEN;
1514         }
1515
1516         len = sizeof(arg);
1517         rval = ndis_set_info(sc, OID_802_11_AUTHENTICATION_MODE, &arg, &len);
1518
1519 #ifdef notyet
1520         if (rval)
1521                 device_printf (sc->ndis_dev, "set auth failed: %d\n", rval);
1522 #endif
1523
1524 #ifdef notyet
1525         /* Set network type. */
1526
1527         arg = 0;
1528
1529         switch (ic->ic_curmode) {
1530         case IEEE80211_MODE_11A:
1531                 arg = NDIS_80211_NETTYPE_11OFDM5;
1532                 break;
1533         case IEEE80211_MODE_11B:
1534                 arg = NDIS_80211_NETTYPE_11DS;
1535                 break;
1536         case IEEE80211_MODE_11G:
1537                 arg = NDIS_80211_NETTYPE_11OFDM24;
1538                 break;
1539         default:
1540                 device_printf(sc->ndis_dev, "unknown mode: %d\n",
1541                     ic->ic_curmode);
1542         }
1543
1544         if (arg) {
1545                 len = sizeof(arg);
1546                 rval = ndis_set_info(sc, OID_802_11_NETWORK_TYPE_IN_USE,
1547                     &arg, &len);
1548                 if (rval)
1549                         device_printf (sc->ndis_dev,
1550                             "set nettype failed: %d\n", rval);
1551         }
1552 #endif
1553
1554         len = sizeof(config);
1555         bzero((char *)&config, len);
1556         config.nc_length = len;
1557         config.nc_fhconfig.ncf_length = sizeof(ndis_80211_config_fh);
1558         rval = ndis_get_info(sc, OID_802_11_CONFIGURATION, &config, &len);
1559
1560         /*
1561          * Some drivers expect us to initialize these values, so
1562          * provide some defaults.
1563          */
1564         if (config.nc_beaconperiod == 0)
1565                 config.nc_beaconperiod = 100;
1566         if (config.nc_atimwin == 0)
1567                 config.nc_atimwin = 100;
1568         if (config.nc_fhconfig.ncf_dwelltime == 0)
1569                 config.nc_fhconfig.ncf_dwelltime = 200;
1570
1571         if (rval == 0 && ic->ic_ibss_chan != IEEE80211_CHAN_ANYC) {
1572                 int chan, chanflag;
1573
1574                 chan = ieee80211_chan2ieee(ic, ic->ic_ibss_chan);
1575                 chanflag = config.nc_dsconfig > 2500000 ? IEEE80211_CHAN_2GHZ :
1576                     IEEE80211_CHAN_5GHZ;
1577                 if (chan != ieee80211_mhz2ieee(config.nc_dsconfig / 1000, 0)) {
1578                         config.nc_dsconfig =
1579                             ic->ic_ibss_chan->ic_freq * 1000;
1580                         ic->ic_bss->ni_chan = ic->ic_ibss_chan;
1581                         len = sizeof(config);
1582                         config.nc_length = len;
1583                         config.nc_fhconfig.ncf_length =
1584                             sizeof(ndis_80211_config_fh);
1585                         rval = ndis_set_info(sc, OID_802_11_CONFIGURATION,
1586                             &config, &len);
1587                         if (rval)
1588                                 device_printf(sc->ndis_dev, "couldn't change "
1589                                     "DS config to %ukHz: %d\n",
1590                                     config.nc_dsconfig, rval);
1591                 }
1592         } else if (rval)
1593                 device_printf(sc->ndis_dev, "couldn't retrieve "
1594                     "channel info: %d\n", rval);
1595
1596         /* Set SSID -- always do this last. */
1597
1598         len = sizeof(ssid);
1599         bzero((char *)&ssid, len);
1600         ssid.ns_ssidlen = ic->ic_des_esslen;
1601         if (ssid.ns_ssidlen == 0) {
1602                 ssid.ns_ssidlen = 1;
1603         } else
1604                 bcopy(ic->ic_des_essid, ssid.ns_ssid, ssid.ns_ssidlen);
1605         rval = ndis_set_info(sc, OID_802_11_SSID, &ssid, &len);
1606
1607         if (rval)
1608                 device_printf (sc->ndis_dev, "set ssid failed: %d\n", rval);
1609
1610         return;
1611 }
1612
1613 static void
1614 ndis_media_status(struct ifnet *ifp, struct ifmediareq *imr)
1615 {
1616         struct ieee80211com *ic = (void *)ifp;
1617         struct ieee80211_node *ni = NULL;
1618
1619         imr->ifm_status = IFM_AVALID;
1620         imr->ifm_active = IFM_IEEE80211;
1621         if (ic->ic_state == IEEE80211_S_RUN)
1622                 imr->ifm_status |= IFM_ACTIVE;
1623         imr->ifm_active |= IFM_AUTO;
1624         switch (ic->ic_opmode) {
1625         case IEEE80211_M_STA:
1626                 ni = ic->ic_bss;
1627                 /* calculate rate subtype */
1628                 imr->ifm_active |= ieee80211_rate2media(ic,
1629                         ni->ni_rates.rs_rates[ni->ni_txrate], ic->ic_curmode);
1630                 break;
1631         case IEEE80211_M_IBSS:
1632                 ni = ic->ic_bss;
1633                 /* calculate rate subtype */
1634                 imr->ifm_active |= ieee80211_rate2media(ic,
1635                         ni->ni_rates.rs_rates[ni->ni_txrate], ic->ic_curmode);
1636                 imr->ifm_active |= IFM_IEEE80211_ADHOC;
1637                 break;
1638         case IEEE80211_M_AHDEMO:
1639                 /* should not come here */
1640                 break;
1641         case IEEE80211_M_HOSTAP:
1642                 imr->ifm_active |= IFM_IEEE80211_HOSTAP;
1643                 break;
1644         case IEEE80211_M_MONITOR:
1645                 imr->ifm_active |= IFM_IEEE80211_MONITOR;
1646                 break;
1647         }
1648         switch (ic->ic_curmode) {
1649         case IEEE80211_MODE_11A:
1650                 imr->ifm_active |= IFM_MAKEMODE(IFM_IEEE80211_11A);
1651                 break;
1652         case IEEE80211_MODE_11B:
1653                 imr->ifm_active |= IFM_MAKEMODE(IFM_IEEE80211_11B);
1654                 break;
1655         case IEEE80211_MODE_11G:
1656                 imr->ifm_active |= IFM_MAKEMODE(IFM_IEEE80211_11G);
1657                 break;
1658         case IEEE80211_MODE_TURBO:
1659                 imr->ifm_active |= IFM_MAKEMODE(IFM_IEEE80211_11A)
1660                                 |  IFM_IEEE80211_TURBO;
1661                 break;
1662         }
1663 }
1664
1665 static int
1666 ndis_get_assoc(sc, assoc)
1667         struct ndis_softc       *sc;
1668         ndis_wlan_bssid_ex      **assoc;
1669 {
1670         ndis_80211_bssid_list_ex        *bl;
1671         ndis_wlan_bssid_ex      *bs;
1672         ndis_80211_macaddr      bssid;
1673         int                     i, len, error;
1674
1675         if (!sc->ndis_link)
1676                 return(ENOENT);
1677
1678         len = sizeof(bssid);
1679         error = ndis_get_info(sc, OID_802_11_BSSID, &bssid, &len);
1680         if (error) {
1681                 device_printf(sc->ndis_dev, "failed to get bssid\n");
1682                 return(ENOENT);
1683         }
1684         len = 0;
1685         error = ndis_get_info(sc, OID_802_11_BSSID_LIST, NULL, &len);
1686         if (error != ENOSPC) {
1687                 device_printf(sc->ndis_dev, "bssid_list failed\n");
1688                 return (error);
1689         }
1690
1691         bl = malloc(len, M_TEMP, M_NOWAIT|M_ZERO);
1692         error = ndis_get_info(sc, OID_802_11_BSSID_LIST, bl, &len);
1693         if (error) {
1694                 free(bl, M_TEMP);
1695                 device_printf(sc->ndis_dev, "bssid_list failed\n");
1696                 return (error);
1697         }
1698
1699         bs = (ndis_wlan_bssid_ex *)&bl->nblx_bssid[0];
1700         for (i = 0; i < bl->nblx_items; i++) {
1701                 if (bcmp(bs->nwbx_macaddr, bssid, sizeof(bssid)) == 0) {
1702                         *assoc = malloc(bs->nwbx_len, M_TEMP, M_NOWAIT);
1703                         if (*assoc == NULL) {
1704                                 free(bl, M_TEMP);
1705                                 return(ENOMEM);
1706                         }
1707                         bcopy((char *)bs, (char *)*assoc, bs->nwbx_len);
1708                         free(bl, M_TEMP);
1709                         return(0);
1710                 }
1711                 bs = (ndis_wlan_bssid_ex *)((char *)bs + bs->nwbx_len);
1712         }
1713
1714         free(bl, M_TEMP);
1715         return(ENOENT);
1716 }
1717
1718 static void
1719 ndis_getstate_80211(sc)
1720         struct ndis_softc       *sc;
1721 {
1722         struct ieee80211com     *ic;
1723         ndis_80211_ssid         ssid;
1724         ndis_80211_config       config;
1725         ndis_wlan_bssid_ex      *bs;
1726         int                     rval, len, i = 0;
1727         uint32_t                arg;
1728         struct ifnet            *ifp;
1729
1730         ic = &sc->ic;
1731         ifp = &sc->ic.ic_ac.ac_if;
1732
1733         if (!NDIS_INITIALIZED(sc))
1734                 return;
1735
1736         if (sc->ndis_link)
1737                 ic->ic_state = IEEE80211_S_RUN;
1738         else
1739                 ic->ic_state = IEEE80211_S_ASSOC;
1740
1741
1742         /*
1743          * If we're associated, retrieve info on the current bssid.
1744          */
1745         if ((rval = ndis_get_assoc(sc, &bs)) == 0) {
1746                 switch(bs->nwbx_nettype) {
1747                 case NDIS_80211_NETTYPE_11FH:
1748                 case NDIS_80211_NETTYPE_11DS:
1749                         ic->ic_curmode = IEEE80211_MODE_11B;
1750                         break;
1751                 case NDIS_80211_NETTYPE_11OFDM5:
1752                         ic->ic_curmode = IEEE80211_MODE_11A;
1753                         break;
1754                 case NDIS_80211_NETTYPE_11OFDM24:
1755                         ic->ic_curmode = IEEE80211_MODE_11G;
1756                         break;
1757                 default:
1758                         device_printf(sc->ndis_dev,
1759                             "unknown nettype %d\n", arg);
1760                         break;
1761                 }
1762                 free(bs, M_TEMP);
1763         } else
1764                 return;
1765
1766         len = sizeof(ssid);
1767         bzero((char *)&ssid, len);
1768         rval = ndis_get_info(sc, OID_802_11_SSID, &ssid, &len);
1769
1770         if (rval)
1771                 device_printf (sc->ndis_dev, "get ssid failed: %d\n", rval);
1772         bcopy(ssid.ns_ssid, ic->ic_bss->ni_essid, ssid.ns_ssidlen);
1773         ic->ic_bss->ni_esslen = ssid.ns_ssidlen;
1774
1775         len = sizeof(arg);
1776         rval = ndis_get_info(sc, OID_GEN_LINK_SPEED, &arg, &len);
1777         if (rval)
1778                 device_printf (sc->ndis_dev, "get link speed failed: %d\n",
1779                     rval);
1780
1781         if (ic->ic_modecaps & (1<<IEEE80211_MODE_11B)) {
1782                 ic->ic_bss->ni_rates = ic->ic_sup_rates[IEEE80211_MODE_11B];
1783                 for (i = 0; i < ic->ic_bss->ni_rates.rs_nrates; i++) {
1784                         if ((ic->ic_bss->ni_rates.rs_rates[i] &
1785                             IEEE80211_RATE_VAL) == arg / 5000)
1786                                 break;
1787                 }
1788         }
1789
1790         if (i == ic->ic_bss->ni_rates.rs_nrates &&
1791             ic->ic_modecaps & (1<<IEEE80211_MODE_11G)) {
1792                 ic->ic_bss->ni_rates = ic->ic_sup_rates[IEEE80211_MODE_11G];
1793                 for (i = 0; i < ic->ic_bss->ni_rates.rs_nrates; i++) {
1794                         if ((ic->ic_bss->ni_rates.rs_rates[i] &
1795                             IEEE80211_RATE_VAL) == arg / 5000)
1796                                 break;
1797                 }
1798         }
1799
1800         if (i == ic->ic_bss->ni_rates.rs_nrates)
1801                 device_printf(sc->ndis_dev, "no matching rate for: %d\n",
1802                     arg / 5000);
1803         else
1804                 ic->ic_bss->ni_txrate = i;
1805
1806         if (ic->ic_caps & IEEE80211_C_PMGT) {
1807                 len = sizeof(arg);
1808                 rval = ndis_get_info(sc, OID_802_11_POWER_MODE, &arg, &len);
1809
1810                 if (rval)
1811                         device_printf(sc->ndis_dev,
1812                             "get power mode failed: %d\n", rval);
1813                 if (arg == NDIS_80211_POWERMODE_CAM)
1814                         ic->ic_flags &= ~IEEE80211_F_PMGTON;
1815                 else
1816                         ic->ic_flags |= IEEE80211_F_PMGTON;
1817         }
1818
1819         len = sizeof(config);
1820         bzero((char *)&config, len);
1821         config.nc_length = len;
1822         config.nc_fhconfig.ncf_length = sizeof(ndis_80211_config_fh);
1823         rval = ndis_get_info(sc, OID_802_11_CONFIGURATION, &config, &len);
1824         if (rval == 0) {
1825                 int chan;
1826
1827                 chan = ieee80211_mhz2ieee(config.nc_dsconfig / 1000, 0);
1828                 if (chan < 0 || chan >= IEEE80211_CHAN_MAX) {
1829                         if (ifp->if_flags & IFF_DEBUG)
1830                                 device_printf(sc->ndis_dev, "current channel "
1831                                     "(%uMHz) out of bounds\n",
1832                                     config.nc_dsconfig / 1000);
1833                         ic->ic_bss->ni_chan = &ic->ic_channels[1];
1834                 } else
1835                         ic->ic_bss->ni_chan = &ic->ic_channels[chan];
1836         } else
1837                 device_printf(sc->ndis_dev, "couldn't retrieve "
1838                     "channel info: %d\n", rval);
1839
1840 /*
1841         len = sizeof(arg);
1842         rval = ndis_get_info(sc, OID_802_11_WEP_STATUS, &arg, &len);
1843
1844         if (rval)
1845                 device_printf (sc->ndis_dev,
1846                     "get wep status failed: %d\n", rval);
1847
1848         if (arg == NDIS_80211_WEPSTAT_ENABLED)
1849                 ic->ic_flags |= IEEE80211_F_WEPON;
1850         else
1851                 ic->ic_flags &= ~IEEE80211_F_WEPON;
1852 */
1853         return;
1854 }
1855
1856 static int
1857 ndis_ioctl(ifp, command, data, cr)
1858         struct ifnet            *ifp;
1859         u_long                  command;
1860         caddr_t                 data;
1861         struct                  ucred *cr;
1862 {
1863         struct ndis_softc       *sc = ifp->if_softc;
1864         struct ifreq            *ifr = (struct ifreq *) data;
1865         int                     i, error = 0;
1866
1867         /*NDIS_LOCK(sc);*/
1868
1869         switch(command) {
1870         case SIOCSIFFLAGS:
1871                 if (ifp->if_flags & IFF_UP) {
1872                         if (ifp->if_flags & IFF_RUNNING &&
1873                             ifp->if_flags & IFF_PROMISC &&
1874                             !(sc->ndis_if_flags & IFF_PROMISC)) {
1875                                 sc->ndis_filter |=
1876                                     NDIS_PACKET_TYPE_PROMISCUOUS;
1877                                 i = sizeof(sc->ndis_filter);
1878                                 error = ndis_set_info(sc,
1879                                     OID_GEN_CURRENT_PACKET_FILTER,
1880                                     &sc->ndis_filter, &i);
1881                         } else if (ifp->if_flags & IFF_RUNNING &&
1882                             !(ifp->if_flags & IFF_PROMISC) &&
1883                             sc->ndis_if_flags & IFF_PROMISC) {
1884                                 sc->ndis_filter &=
1885                                     ~NDIS_PACKET_TYPE_PROMISCUOUS;
1886                                 i = sizeof(sc->ndis_filter);
1887                                 error = ndis_set_info(sc,
1888                                     OID_GEN_CURRENT_PACKET_FILTER,
1889                                     &sc->ndis_filter, &i);
1890                         } else
1891                                 ndis_init(sc);
1892                 } else {
1893                         if (ifp->if_flags & IFF_RUNNING)
1894                                 ndis_stop(sc);
1895                 }
1896                 sc->ndis_if_flags = ifp->if_flags;
1897                 error = 0;
1898                 break;
1899         case SIOCADDMULTI:
1900         case SIOCDELMULTI:
1901                 ndis_setmulti(sc);
1902                 error = 0;
1903                 break;
1904         case SIOCGIFMEDIA:
1905         case SIOCSIFMEDIA:
1906                 if (sc->ndis_80211) {
1907                         error = ieee80211_ioctl(ifp, command, data, cr);
1908                         if (error == ENETRESET) {
1909                                 ndis_setstate_80211(sc);
1910                                 /*ndis_init(sc);*/
1911                                 error = 0;
1912                         }
1913                 } else
1914                         error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, command);
1915                 break;
1916         case SIOCSIFCAP:
1917                 ifp->if_capenable = ifr->ifr_reqcap;
1918                 if (ifp->if_capenable & IFCAP_TXCSUM)
1919                         ifp->if_hwassist = sc->ndis_hwassist;
1920                 else
1921                         ifp->if_hwassist = 0;
1922                 ndis_set_offload(sc);
1923                 break;
1924         case SIOCGIFGENERIC:
1925         case SIOCSIFGENERIC:
1926                 if (sc->ndis_80211 && NDIS_INITIALIZED(sc)) {
1927                         if (command == SIOCGIFGENERIC)
1928                                 error = ndis_wi_ioctl_get(ifp, command, data);
1929                         else
1930                                 error = ndis_wi_ioctl_set(ifp, command, data);
1931                 } else
1932                         error = ENOTTY;
1933                 if (error != ENOTTY)
1934                         break;
1935         default:
1936                 sc->ndis_skip = 1;
1937                 if (sc->ndis_80211) {
1938                         error = ieee80211_ioctl(ifp, command, data, cr);
1939                         if (error == ENETRESET) {
1940                                 ndis_setstate_80211(sc);
1941                                 error = 0;
1942                         }
1943                 } else
1944                         error = ether_ioctl(ifp, command, data);
1945                 sc->ndis_skip = 0;
1946                 break;
1947         }
1948
1949         /*NDIS_UNLOCK(sc);*/
1950
1951         return(error);
1952 }
1953
1954 static int
1955 ndis_wi_ioctl_get(ifp, command, data)
1956         struct ifnet            *ifp;
1957         u_long                  command;
1958         caddr_t                 data;
1959 {
1960         struct wi_req           wreq;
1961         struct ifreq            *ifr;
1962         struct ndis_softc       *sc;
1963         ndis_80211_bssid_list_ex *bl;
1964         ndis_wlan_bssid_ex      *wb;
1965         struct wi_apinfo        *api;
1966         int                     error, i, j, len, maxaps;
1967
1968         sc = ifp->if_softc;
1969         ifr = (struct ifreq *)data;
1970         error = copyin(ifr->ifr_data, &wreq, sizeof(wreq));
1971         if (error)
1972                 return (error);
1973
1974         switch (wreq.wi_type) {
1975         case WI_RID_READ_APS:
1976                 len = 0;
1977                 error = ndis_set_info(sc, OID_802_11_BSSID_LIST_SCAN,
1978                     NULL, &len);
1979                 if (error == 0)
1980                         tsleep(&error, PCATCH, "ssidscan", hz * 2);
1981                 len = 0;
1982                 error = ndis_get_info(sc, OID_802_11_BSSID_LIST, NULL, &len);
1983                 if (error != ENOSPC)
1984                         break;
1985                 bl = malloc(len, M_DEVBUF, M_WAITOK|M_ZERO);
1986                 error = ndis_get_info(sc, OID_802_11_BSSID_LIST, bl, &len);
1987                 if (error) {
1988                         free(bl, M_DEVBUF);
1989                         break;
1990                 }
1991                 maxaps = (2 * wreq.wi_len - sizeof(int)) / sizeof(*api);
1992                 maxaps = MIN(maxaps, bl->nblx_items);
1993                 wreq.wi_len = (maxaps * sizeof(*api) + sizeof(int)) / 2;
1994                 *(int *)&wreq.wi_val = maxaps;
1995                 api = (struct wi_apinfo *)&((int *)&wreq.wi_val)[1];
1996                 wb = bl->nblx_bssid;
1997                 while (maxaps--) {
1998                         bzero(api, sizeof(*api));
1999                         bcopy(&wb->nwbx_macaddr, &api->bssid,
2000                             sizeof(api->bssid));
2001                         api->namelen = wb->nwbx_ssid.ns_ssidlen;
2002                         bcopy(&wb->nwbx_ssid.ns_ssid, &api->name, api->namelen);
2003                         if (wb->nwbx_privacy)
2004                                 api->capinfo |= IEEE80211_CAPINFO_PRIVACY;
2005                         /* XXX Where can we get noise information? */
2006                         api->signal = wb->nwbx_rssi + 149;      /* XXX */
2007                         api->quality = api->signal;
2008                         api->channel =
2009                             ieee80211_mhz2ieee(wb->nwbx_config.nc_dsconfig /
2010                             1000, 0);
2011                         /* In "auto" infrastructure mode, this is useless. */
2012                         if (wb->nwbx_netinfra == NDIS_80211_NET_INFRA_IBSS)
2013                                 api->capinfo |= IEEE80211_CAPINFO_IBSS;
2014                         if (wb->nwbx_len > sizeof(ndis_wlan_bssid)) {
2015                                 j = sizeof(ndis_80211_rates_ex);
2016                                 /* handle other extended things */
2017                         } else
2018                                 j = sizeof(ndis_80211_rates);
2019                         for (i = api->rate = 0; i < j; i++)
2020                                 api->rate = MAX(api->rate, 5 *
2021                                     (wb->nwbx_supportedrates[i] & 0x7f));
2022                         api++;
2023                         wb = (ndis_wlan_bssid_ex *)((char *)wb + wb->nwbx_len);
2024                 }
2025                 free(bl, M_DEVBUF);
2026                 error = copyout(&wreq, ifr->ifr_data, sizeof(wreq));
2027                 break;
2028         default:
2029                 error = ENOTTY;
2030                 break;
2031         }
2032         return (error);
2033 }
2034
2035 static int
2036 ndis_wi_ioctl_set(ifp, command, data)
2037         struct ifnet            *ifp;
2038         u_long                  command;
2039         caddr_t                 data;
2040 {
2041         struct wi_req           wreq;
2042         struct ifreq            *ifr;
2043         struct ndis_softc       *sc;
2044         uint32_t                foo;
2045         int                     error, len;
2046
2047         error = suser(curthread);
2048         if (error)
2049                 return (error);
2050
2051         sc = ifp->if_softc;
2052         ifr = (struct ifreq *)data;
2053         error = copyin(ifr->ifr_data, &wreq, sizeof(wreq));
2054         if (error)
2055                 return (error);
2056
2057         switch (wreq.wi_type) {
2058         case WI_RID_SCAN_APS:
2059         case WI_RID_SCAN_REQ:                   /* arguments ignored */
2060                 len = sizeof(foo);
2061                 foo = 0;
2062                 error = ndis_set_info(sc, OID_802_11_BSSID_LIST_SCAN, &foo,
2063                     &len);
2064                 break;
2065         default:
2066                 error = ENOTTY;
2067                 break;
2068         }
2069         return (error);
2070 }
2071
2072 static void
2073 ndis_watchdog(ifp)
2074         struct ifnet            *ifp;
2075 {
2076         struct ndis_softc               *sc;
2077         NDIS_LOCK_INFO;
2078
2079         sc = ifp->if_softc;
2080
2081         NDIS_LOCK(sc);
2082         ifp->if_oerrors++;
2083         device_printf(sc->ndis_dev, "watchdog timeout\n");
2084         NDIS_UNLOCK(sc);
2085
2086         ndis_reset_nic(sc);
2087         ndis_sched(ndis_starttask, ifp, NDIS_TASKQUEUE);
2088
2089         return;
2090 }
2091
2092 /*
2093  * Stop the adapter and free any mbufs allocated to the
2094  * RX and TX lists.
2095  */
2096 static void
2097 ndis_stop(sc)
2098         struct ndis_softc               *sc;
2099 {
2100         struct ifnet            *ifp;
2101         NDIS_LOCK_INFO;
2102
2103         ifp = &sc->arpcom.ac_if;
2104         callout_stop(&sc->ndis_stat_timer);
2105
2106         ndis_halt_nic(sc);
2107
2108         NDIS_LOCK(sc);
2109         ifp->if_timer = 0;
2110         sc->ndis_link = 0;
2111         ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
2112         NDIS_UNLOCK(sc);
2113
2114         return;
2115 }
2116
2117 /*
2118  * Stop all chip I/O so that the kernel's probe routines don't
2119  * get confused by errant DMAs when rebooting.
2120  */
2121 void
2122 ndis_shutdown(dev)
2123         device_t                dev;
2124 {
2125         struct ndis_softc               *sc;
2126
2127         sc = device_get_softc(dev);
2128         ndis_shutdown_nic(sc);
2129
2130         return;
2131 }