sys/dev/if_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
  33 #include <sys/cdefs.h>
  34 __FBSDID("$FreeBSD$");
  35
  36 #include "opt_bdg.h"
  37
  38 #include <sys/param.h>
  39 #include <sys/systm.h>
  40 #include <sys/sockio.h>
  41 #include <sys/mbuf.h>
  42 #include <sys/malloc.h>
  43 #include <sys/kernel.h>
  44 #include <sys/socket.h>
  45 #include <sys/queue.h>
  46 #include <sys/module.h>
  47 #if __FreeBSD_version < 502113
  48 #include <sys/sysctl.h>
  49 #endif
  50
  51 #include <net/if.h>
  52 #include <net/if_arp.h>
  53 #include <net/ethernet.h>
  54 #include <net/if_dl.h>
  55 #include <net/if_media.h>
  56 #include <net/route.h>
  57
  58 #include <net/bpf.h>
  59
  60 #include <machine/bus_memio.h>
  61 #include <machine/bus_pio.h>
  62 #include <machine/bus.h>
  63 #include <machine/resource.h>
  64 #include <sys/bus.h>
  65 #include <sys/rman.h>
  66
  67 #include <net80211/ieee80211_var.h>
  68 #include <net80211/ieee80211_ioctl.h>
  69
  70 #include <dev/wi/if_wavelan_ieee.h>
  71
  72 #include <dev/pci/pcireg.h>
  73 #include <dev/pci/pcivar.h>
  74
  75 #include <compat/ndis/pe_var.h>
  76 #include <compat/ndis/resource_var.h>
  77 #include <compat/ndis/ntoskrnl_var.h>
  78 #include <compat/ndis/hal_var.h>
  79 #include <compat/ndis/ndis_var.h>
  80 #include <compat/ndis/cfg_var.h>
  81 #include <dev/if_ndis/if_ndisvar.h>
  82
  83 #define NDIS_IMAGE
  84 #define NDIS_REGVALS
  85
  86 #include "ndis_driver_data.h"
  87
  88 int ndis_attach                 (device_t);
  89 int ndis_detach                 (device_t);
  90 int ndis_suspend                (device_t);
  91 int ndis_resume                 (device_t);
  92 void ndis_shutdown              (device_t);
  93
  94 int ndisdrv_modevent            (module_t, int, void *);
  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 /* We need to wrap these functions for amd64. */
 105
 106 static funcptr ndis_txeof_wrap;
 107 static funcptr ndis_rxeof_wrap;
 108 static funcptr ndis_linksts_wrap;
 109 static funcptr ndis_linksts_done_wrap;
 110
 111 static void ndis_intr           (void *);
 112 static void ndis_intrtask       (void *);
 113 static void ndis_tick           (void *);
 114 static void ndis_ticktask       (void *);
 115 static void ndis_start          (struct ifnet *);
 116 static void ndis_starttask      (void *);
 117 static int ndis_ioctl           (struct ifnet *, u_long, caddr_t);
 118 static int ndis_wi_ioctl_get    (struct ifnet *, u_long, caddr_t);
 119 static int ndis_wi_ioctl_set    (struct ifnet *, u_long, caddr_t);
 120 static int ndis_80211_ioctl_get (struct ifnet *, u_long, caddr_t);
 121 static int ndis_80211_ioctl_set (struct ifnet *, u_long, caddr_t);
 122 static void ndis_init           (void *);
 123 static void ndis_stop           (struct ndis_softc *);
 124 static void ndis_watchdog       (struct ifnet *);
 125 static int ndis_ifmedia_upd     (struct ifnet *);
 126 static void ndis_ifmedia_sts    (struct ifnet *, struct ifmediareq *);
 127 static int ndis_get_assoc       (struct ndis_softc *, ndis_wlan_bssid_ex **);
 128 static int ndis_probe_offload   (struct ndis_softc *);
 129 static int ndis_set_offload     (struct ndis_softc *);
 130 static void ndis_getstate_80211 (struct ndis_softc *);
 131 static void ndis_setstate_80211 (struct ndis_softc *);
 132 static void ndis_media_status   (struct ifnet *, struct ifmediareq *);
 133
 134 static void ndis_setmulti       (struct ndis_softc *);
 135 static void ndis_map_sclist     (void *, bus_dma_segment_t *,
 136         int, bus_size_t, int);
 137
 138 static int ndisdrv_loaded = 0;
 139
 140 /*
 141  * This routine should call windrv_load() once for each driver
 142  * image. This will do the relocation and dynalinking for the
 143  * image, and create a Windows driver object which will be
 144  * saved in our driver database.
 145  */
 146
 147 int
 148 ndisdrv_modevent(mod, cmd, arg)
 149         module_t                mod;
 150         int                     cmd;
 151         void                    *arg;
 152 {
 153         int                     error = 0;
 154
 155         switch (cmd) {
 156         case MOD_LOAD:
 157                 ndisdrv_loaded++;
 158                 if (ndisdrv_loaded > 1)
 159                         break;
 160                 windrv_load(mod, (vm_offset_t)drv_data, 0);
 161                 windrv_wrap((funcptr)ndis_rxeof, &ndis_rxeof_wrap);
 162                 windrv_wrap((funcptr)ndis_txeof, &ndis_txeof_wrap);
 163                 windrv_wrap((funcptr)ndis_linksts, &ndis_linksts_wrap);
 164                 windrv_wrap((funcptr)ndis_linksts_done,
 165                     &ndis_linksts_done_wrap);
 166                 break;
 167         case MOD_UNLOAD:
 168                 ndisdrv_loaded--;
 169                 if (ndisdrv_loaded > 0)
 170                         break;
 171                 windrv_unload(mod, (vm_offset_t)drv_data, 0);
 172                 windrv_unwrap(ndis_rxeof_wrap);
 173                 windrv_unwrap(ndis_txeof_wrap);
 174                 windrv_unwrap(ndis_linksts_wrap);
 175                 windrv_unwrap(ndis_linksts_done_wrap);
 176                 break;
 177         case MOD_SHUTDOWN:
 178                 windrv_unwrap(ndis_rxeof_wrap);
 179                 windrv_unwrap(ndis_txeof_wrap);
 180                 windrv_unwrap(ndis_linksts_wrap);
 181                 windrv_unwrap(ndis_linksts_done_wrap);
 182                 break;
 183         default:
 184                 error = EINVAL;
 185                 break;
 186         }
 187
 188         return (error);
 189 }
 190
 191 /*
 192  * Program the 64-bit multicast hash filter.
 193  */
 194 static void
 195 ndis_setmulti(sc)
 196         struct ndis_softc       *sc;
 197 {
 198         struct ifnet            *ifp;
 199         struct ifmultiaddr      *ifma;
 200         int                     len, mclistsz, error;
 201         uint8_t                 *mclist;
 202
 203         ifp = &sc->arpcom.ac_if;
 204
 205         if (!NDIS_INITIALIZED(sc))
 206                 return;
 207
 208         if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) {
 209                 sc->ndis_filter |= NDIS_PACKET_TYPE_ALL_MULTICAST;
 210                 len = sizeof(sc->ndis_filter);
 211                 error = ndis_set_info(sc, OID_GEN_CURRENT_PACKET_FILTER,
 212                     &sc->ndis_filter, &len);
 213                 if (error)
 214                         device_printf (sc->ndis_dev,
 215                             "set filter failed: %d\n", error);
 216                 return;
 217         }
 218
 219         if (TAILQ_EMPTY(&ifp->if_multiaddrs))
 220                 return;
 221
 222         len = sizeof(mclistsz);
 223         ndis_get_info(sc, OID_802_3_MAXIMUM_LIST_SIZE, &mclistsz, &len);
 224
 225         mclist = malloc(ETHER_ADDR_LEN * mclistsz, M_TEMP, M_NOWAIT|M_ZERO);
 226
 227         if (mclist == NULL) {
 228                 sc->ndis_filter |= NDIS_PACKET_TYPE_ALL_MULTICAST;
 229                 goto out;
 230         }
 231
 232         sc->ndis_filter |= NDIS_PACKET_TYPE_MULTICAST;
 233
 234         len = 0;
 235         TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
 236                 if (ifma->ifma_addr->sa_family != AF_LINK)
 237                         continue;
 238                 bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr),
 239                     mclist + (ETHER_ADDR_LEN * len), ETHER_ADDR_LEN);
 240                 len++;
 241                 if (len > mclistsz) {
 242                         sc->ndis_filter |= NDIS_PACKET_TYPE_ALL_MULTICAST;
 243                         sc->ndis_filter &= ~NDIS_PACKET_TYPE_MULTICAST;
 244                         goto out;
 245                 }
 246         }
 247
 248         len = len * ETHER_ADDR_LEN;
 249         error = ndis_set_info(sc, OID_802_3_MULTICAST_LIST, mclist, &len);
 250         if (error) {
 251                 device_printf (sc->ndis_dev, "set mclist failed: %d\n", error);
 252                 sc->ndis_filter |= NDIS_PACKET_TYPE_ALL_MULTICAST;
 253                 sc->ndis_filter &= ~NDIS_PACKET_TYPE_MULTICAST;
 254         }
 255
 256 out:
 257         free(mclist, M_TEMP);
 258
 259         len = sizeof(sc->ndis_filter);
 260         error = ndis_set_info(sc, OID_GEN_CURRENT_PACKET_FILTER,
 261             &sc->ndis_filter, &len);
 262         if (error)
 263                 device_printf (sc->ndis_dev, "set filter failed: %d\n", error);
 264
 265         return;
 266 }
 267
 268 static int
 269 ndis_set_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;
 275         struct ifnet            *ifp;
 276         int                     len, error;
 277
 278         ifp = &sc->arpcom.ac_if;
 279
 280         if (!NDIS_INITIALIZED(sc))
 281                 return(EINVAL);
 282
 283         /* See if there's anything to set. */
 284
 285         error = ndis_probe_offload(sc);
 286         if (error)
 287                 return(error);
 288
 289         if (sc->ndis_hwassist == 0 && ifp->if_capabilities == 0)
 290                 return(0);
 291
 292         len = sizeof(ndis_task_offload_hdr) + sizeof(ndis_task_offload) +
 293             sizeof(ndis_task_tcpip_csum);
 294
 295         ntoh = malloc(len, M_TEMP, M_NOWAIT|M_ZERO);
 296
 297         if (ntoh == NULL)
 298                 return(ENOMEM);
 299
 300         ntoh->ntoh_vers = NDIS_TASK_OFFLOAD_VERSION;
 301         ntoh->ntoh_len = sizeof(ndis_task_offload_hdr);
 302         ntoh->ntoh_offset_firsttask = sizeof(ndis_task_offload_hdr);
 303         ntoh->ntoh_encapfmt.nef_encaphdrlen = sizeof(struct ether_header);
 304         ntoh->ntoh_encapfmt.nef_encap = NDIS_ENCAP_IEEE802_3;
 305         ntoh->ntoh_encapfmt.nef_flags = NDIS_ENCAPFLAG_FIXEDHDRLEN;
 306
 307         nto = (ndis_task_offload *)((char *)ntoh +
 308             ntoh->ntoh_offset_firsttask);
 309
 310         nto->nto_vers = NDIS_TASK_OFFLOAD_VERSION;
 311         nto->nto_len = sizeof(ndis_task_offload);
 312         nto->nto_task = NDIS_TASK_TCPIP_CSUM;
 313         nto->nto_offset_nexttask = 0;
 314         nto->nto_taskbuflen = sizeof(ndis_task_tcpip_csum);
 315
 316         nttc = (ndis_task_tcpip_csum *)nto->nto_taskbuf;
 317
 318         if (ifp->if_capenable & IFCAP_TXCSUM)
 319                 nttc->nttc_v4tx = sc->ndis_v4tx;
 320
 321         if (ifp->if_capenable & IFCAP_RXCSUM)
 322                 nttc->nttc_v4rx = sc->ndis_v4rx;
 323
 324         error = ndis_set_info(sc, OID_TCP_TASK_OFFLOAD, ntoh, &len);
 325         free(ntoh, M_TEMP);
 326
 327         return(error);
 328 }
 329
 330 static int
 331 ndis_probe_offload(sc)
 332         struct ndis_softc       *sc;
 333 {
 334         ndis_task_offload       *nto;
 335         ndis_task_offload_hdr   *ntoh;
 336         ndis_task_tcpip_csum    *nttc = NULL;
 337         struct ifnet            *ifp;
 338         int                     len, error, dummy;
 339
 340         ifp = &sc->arpcom.ac_if;
 341
 342         len = sizeof(dummy);
 343         error = ndis_get_info(sc, OID_TCP_TASK_OFFLOAD, &dummy, &len);
 344
 345         if (error != ENOSPC)
 346                 return(error);
 347
 348         ntoh = malloc(len, M_TEMP, M_NOWAIT|M_ZERO);
 349
 350         if (ntoh == NULL)
 351                 return(ENOMEM);
 352
 353         ntoh->ntoh_vers = NDIS_TASK_OFFLOAD_VERSION;
 354         ntoh->ntoh_len = sizeof(ndis_task_offload_hdr);
 355         ntoh->ntoh_encapfmt.nef_encaphdrlen = sizeof(struct ether_header);
 356         ntoh->ntoh_encapfmt.nef_encap = NDIS_ENCAP_IEEE802_3;
 357         ntoh->ntoh_encapfmt.nef_flags = NDIS_ENCAPFLAG_FIXEDHDRLEN;
 358
 359         error = ndis_get_info(sc, OID_TCP_TASK_OFFLOAD, ntoh, &len);
 360
 361         if (error) {
 362                 free(ntoh, M_TEMP);
 363                 return(error);
 364         }
 365
 366         if (ntoh->ntoh_vers != NDIS_TASK_OFFLOAD_VERSION) {
 367                 free(ntoh, M_TEMP);
 368                 return(EINVAL);
 369         }
 370
 371         nto = (ndis_task_offload *)((char *)ntoh +
 372             ntoh->ntoh_offset_firsttask);
 373
 374         while (1) {
 375                 switch (nto->nto_task) {
 376                 case NDIS_TASK_TCPIP_CSUM:
 377                         nttc = (ndis_task_tcpip_csum *)nto->nto_taskbuf;
 378                         break;
 379                 /* Don't handle these yet. */
 380                 case NDIS_TASK_IPSEC:
 381                 case NDIS_TASK_TCP_LARGESEND:
 382                 default:
 383                         break;
 384                 }
 385                 if (nto->nto_offset_nexttask == 0)
 386                         break;
 387                 nto = (ndis_task_offload *)((char *)nto +
 388                     nto->nto_offset_nexttask);
 389         }
 390
 391         if (nttc == NULL) {
 392                 free(ntoh, M_TEMP);
 393                 return(ENOENT);
 394         }
 395
 396         sc->ndis_v4tx = nttc->nttc_v4tx;
 397         sc->ndis_v4rx = nttc->nttc_v4rx;
 398
 399         if (nttc->nttc_v4tx & NDIS_TCPSUM_FLAGS_IP_CSUM)
 400                 sc->ndis_hwassist |= CSUM_IP;
 401         if (nttc->nttc_v4tx & NDIS_TCPSUM_FLAGS_TCP_CSUM)
 402                 sc->ndis_hwassist |= CSUM_TCP;
 403         if (nttc->nttc_v4tx & NDIS_TCPSUM_FLAGS_UDP_CSUM)
 404                 sc->ndis_hwassist |= CSUM_UDP;
 405
 406         if (sc->ndis_hwassist)
 407                 ifp->if_capabilities |= IFCAP_TXCSUM;
 408
 409         if (nttc->nttc_v4rx & NDIS_TCPSUM_FLAGS_IP_CSUM)
 410                 ifp->if_capabilities |= IFCAP_RXCSUM;
 411         if (nttc->nttc_v4rx & NDIS_TCPSUM_FLAGS_TCP_CSUM)
 412                 ifp->if_capabilities |= IFCAP_RXCSUM;
 413         if (nttc->nttc_v4rx & NDIS_TCPSUM_FLAGS_UDP_CSUM)
 414                 ifp->if_capabilities |= IFCAP_RXCSUM;
 415
 416         free(ntoh, M_TEMP);
 417         return(0);
 418 }
 419
 420 /*
 421  * Attach the interface. Allocate softc structures, do ifmedia
 422  * setup and ethernet/BPF attach.
 423  */
 424 int
 425 ndis_attach(dev)
 426         device_t                dev;
 427 {
 428         u_char                  eaddr[ETHER_ADDR_LEN];
 429         struct ndis_softc       *sc;
 430         driver_object           *drv;
 431         device_object           *pdo;
 432         struct ifnet            *ifp = NULL;
 433         void                    *img;
 434         int                     error = 0, len;
 435         int                     i;
 436
 437         sc = device_get_softc(dev);
 438
 439         mtx_init(&sc->ndis_mtx, "ndis softc lock",
 440             MTX_NETWORK_LOCK, MTX_DEF);
 441
 442         /*
 443          * Hook interrupt early, since calling the driver's
 444          * init routine may trigger an interrupt.
 445          */
 446
 447         error = bus_setup_intr(dev, sc->ndis_irq, INTR_TYPE_NET | INTR_MPSAFE,
 448             ndis_intr, sc, &sc->ndis_intrhand);
 449
 450         if (error) {
 451                 device_printf(dev, "couldn't set up irq\n");
 452                 goto fail;
 453         }
 454
 455         if (sc->ndis_iftype == PCMCIABus) {
 456                 error = ndis_alloc_amem(sc);
 457                 if (error) {
 458                         device_printf(dev, "failed to allocate "
 459                             "attribute memory\n");
 460                         goto fail;
 461                 }
 462         }
 463
 464         sc->ndis_regvals = ndis_regvals;
 465
 466 #if __FreeBSD_version < 502113
 467         sysctl_ctx_init(&sc->ndis_ctx);
 468
 469 #endif
 470         /* Create sysctl registry nodes */
 471         ndis_create_sysctls(sc);
 472
 473         /*
 474          * Create a new functional device object for this
 475          * device. This is what creates the miniport block
 476          * for this device instance.
 477          */
 478
 479         img = drv_data;
 480         drv = windrv_lookup((vm_offset_t)img);
 481         pdo = windrv_find_pdo(drv, dev);
 482         if (NdisAddDevice(drv, pdo) != STATUS_SUCCESS) {
 483                 device_printf(dev, "failed to create FDO!\n");
 484                 error = ENXIO;
 485                 goto fail;
 486         }
 487
 488         /* Tell the user what version of the API the driver is using. */
 489         device_printf(dev, "NDIS API version: %d.%d\n",
 490             sc->ndis_chars->nmc_version_major,
 491             sc->ndis_chars->nmc_version_minor);
 492
 493         /* Do resource conversion. */
 494         ndis_convert_res(sc);
 495
 496         /* Install our RX and TX interrupt handlers. */
 497         sc->ndis_block->nmb_senddone_func = ndis_txeof_wrap;
 498         sc->ndis_block->nmb_pktind_func = ndis_rxeof_wrap;
 499
 500         /* Call driver's init routine. */
 501         if (ndis_init_nic(sc)) {
 502                 device_printf (dev, "init handler failed\n");
 503                 error = ENXIO;
 504                 goto fail;
 505         }
 506
 507         /*
 508          * Get station address from the driver.
 509          */
 510         len = sizeof(eaddr);
 511         ndis_get_info(sc, OID_802_3_CURRENT_ADDRESS, &eaddr, &len);
 512
 513         bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
 514
 515         /*
 516          * Figure out if we're allowed to use multipacket sends
 517          * with this driver, and if so, how many.
 518          */
 519
 520         if (sc->ndis_chars->nmc_sendsingle_func &&
 521             sc->ndis_chars->nmc_sendmulti_func == NULL) {
 522                 sc->ndis_maxpkts = 1;
 523         } else {
 524                 len = sizeof(sc->ndis_maxpkts);
 525                 ndis_get_info(sc, OID_GEN_MAXIMUM_SEND_PACKETS,
 526                     &sc->ndis_maxpkts, &len);
 527         }
 528
 529         sc->ndis_txarray = malloc(sizeof(ndis_packet *) *
 530             sc->ndis_maxpkts, M_DEVBUF, M_NOWAIT|M_ZERO);
 531
 532         /* Allocate a pool of ndis_packets for TX encapsulation. */
 533
 534         NdisAllocatePacketPool(&i, &sc->ndis_txpool,
 535            sc->ndis_maxpkts, PROTOCOL_RESERVED_SIZE_IN_PACKET);
 536
 537         if (i != NDIS_STATUS_SUCCESS) {
 538                 sc->ndis_txpool = NULL;
 539                 device_printf(dev, "failed to allocate TX packet pool");
 540                 error = ENOMEM;
 541                 goto fail;
 542         }
 543
 544         sc->ndis_txpending = sc->ndis_maxpkts;
 545
 546         sc->ndis_oidcnt = 0;
 547         /* Get supported oid list. */
 548         ndis_get_supported_oids(sc, &sc->ndis_oids, &sc->ndis_oidcnt);
 549
 550         /* If the NDIS module requested scatter/gather, init maps. */
 551         if (sc->ndis_sc)
 552                 ndis_init_dma(sc);
 553
 554         /*
 555          * See if the OID_802_11_CONFIGURATION OID is
 556          * supported by this driver. If it is, then this an 802.11
 557          * wireless driver, and we should set up media for wireless.
 558          */
 559         for (i = 0; i < sc->ndis_oidcnt; i++) {
 560                 if (sc->ndis_oids[i] == OID_802_11_CONFIGURATION) {
 561                         sc->ndis_80211++;
 562                         break;
 563                 }
 564         }
 565
 566         /* Check for task offload support. */
 567         ndis_probe_offload(sc);
 568
 569         ifp = &sc->arpcom.ac_if;
 570         ifp->if_softc = sc;
 571         if_initname(ifp, device_get_name(dev), device_get_unit(dev));
 572         ifp->if_mtu = ETHERMTU;
 573         ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
 574         ifp->if_ioctl = ndis_ioctl;
 575         ifp->if_start = ndis_start;
 576         ifp->if_watchdog = ndis_watchdog;
 577         ifp->if_init = ndis_init;
 578         ifp->if_baudrate = 10000000;
 579 #if __FreeBSD_version < 502114
 580         ifp->if_snd.ifq_maxlen = 50;
 581 #else
 582         IFQ_SET_MAXLEN(&ifp->if_snd, 50);
 583         ifp->if_snd.ifq_drv_maxlen = 25;
 584         IFQ_SET_READY(&ifp->if_snd);
 585 #endif
 586         ifp->if_capenable = ifp->if_capabilities;
 587         ifp->if_hwassist = sc->ndis_hwassist;
 588
 589         /* Do media setup */
 590         if (sc->ndis_80211) {
 591                 struct ieee80211com     *ic = (void *)&sc->ic;
 592                 ndis_80211_rates_ex     rates;
 593                 struct ndis_80211_nettype_list *ntl;
 594                 uint32_t                arg;
 595                 int                     r;
 596
 597                 ic->ic_ifp = ifp;
 598                 ic->ic_phytype = IEEE80211_T_DS;
 599                 ic->ic_opmode = IEEE80211_M_STA;
 600                 ic->ic_caps = IEEE80211_C_IBSS;
 601                 ic->ic_state = IEEE80211_S_ASSOC;
 602                 ic->ic_modecaps = (1<<IEEE80211_MODE_AUTO);
 603                 len = 0;
 604                 r = ndis_get_info(sc, OID_802_11_NETWORK_TYPES_SUPPORTED,
 605                     NULL, &len);
 606                 if (r != ENOSPC)
 607                         goto nonettypes;
 608                 ntl = malloc(len, M_DEVBUF, M_WAITOK|M_ZERO);
 609                 r = ndis_get_info(sc, OID_802_11_NETWORK_TYPES_SUPPORTED,
 610                     ntl, &len);
 611                 if (r != 0) {
 612                         free(ntl, M_DEVBUF);
 613                         goto nonettypes;
 614                 }
 615
 616                 for (i = 0; i < ntl->ntl_items; i++) {
 617                         switch (ntl->ntl_type[i]) {
 618                         case NDIS_80211_NETTYPE_11FH:
 619                         case NDIS_80211_NETTYPE_11DS:
 620                                 ic->ic_modecaps |= (1<<IEEE80211_MODE_11B);
 621                                 break;
 622                         case NDIS_80211_NETTYPE_11OFDM5:
 623                                 ic->ic_modecaps |= (1<<IEEE80211_MODE_11A);
 624                                 break;
 625                         case NDIS_80211_NETTYPE_11OFDM24:
 626                                 ic->ic_modecaps |= (1<<IEEE80211_MODE_11G);
 627                                 break;
 628                         default:
 629                                 break;
 630                         }
 631                 }
 632                 free(ntl, M_DEVBUF);
 633 nonettypes:
 634                 len = sizeof(rates);
 635                 bzero((char *)&rates, len);
 636                 r = ndis_get_info(sc, OID_802_11_SUPPORTED_RATES,
 637                     (void *)rates, &len);
 638                 if (r)
 639                         device_printf (dev, "get rates failed: 0x%x\n", r);
 640                 /*
 641                  * Since the supported rates only up to 8 can be supported,
 642                  * if this is not 802.11b we're just going to be faking it
 643                  * all up to heck.
 644                  */
 645
 646 #define TESTSETRATE(x, y)                                               \
 647         do {                                                            \
 648                 int                     i;                              \
 649                 for (i = 0; i < ic->ic_sup_rates[x].rs_nrates; i++) {   \
 650                         if (ic->ic_sup_rates[x].rs_rates[i] == (y))     \
 651                                 break;                                  \
 652                 }                                                       \
 653                 if (i == ic->ic_sup_rates[x].rs_nrates) {               \
 654                         ic->ic_sup_rates[x].rs_rates[i] = (y);          \
 655                         ic->ic_sup_rates[x].rs_nrates++;                \
 656                 }                                                       \
 657         } while (0)
 658
 659 #define SETRATE(x, y)   \
 660         ic->ic_sup_rates[x].rs_rates[ic->ic_sup_rates[x].rs_nrates] = (y)
 661 #define INCRATE(x)      \
 662         ic->ic_sup_rates[x].rs_nrates++
 663
 664                 ic->ic_curmode = IEEE80211_MODE_AUTO;
 665                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11A))
 666                         ic->ic_sup_rates[IEEE80211_MODE_11A].rs_nrates = 0;
 667                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11B))
 668                         ic->ic_sup_rates[IEEE80211_MODE_11B].rs_nrates = 0;
 669                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11G))
 670                         ic->ic_sup_rates[IEEE80211_MODE_11G].rs_nrates = 0;
 671                 for (i = 0; i < len; i++) {
 672                         switch (rates[i] & IEEE80211_RATE_VAL) {
 673                         case 2:
 674                         case 4:
 675                         case 11:
 676                         case 10:
 677                         case 22:
 678                                 if (!(ic->ic_modecaps &
 679                                     (1<<IEEE80211_MODE_11B))) {
 680                                         /* Lazy-init 802.11b. */
 681                                         ic->ic_modecaps |=
 682                                             (1<<IEEE80211_MODE_11B);
 683                                         ic->ic_sup_rates[IEEE80211_MODE_11B].
 684                                             rs_nrates = 0;
 685                                 }
 686                                 SETRATE(IEEE80211_MODE_11B, rates[i]);
 687                                 INCRATE(IEEE80211_MODE_11B);
 688                                 break;
 689                         default:
 690                                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11A)) {
 691                                         SETRATE(IEEE80211_MODE_11A, rates[i]);
 692                                         INCRATE(IEEE80211_MODE_11A);
 693                                 }
 694                                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11G)) {
 695                                         SETRATE(IEEE80211_MODE_11G, rates[i]);
 696                                         INCRATE(IEEE80211_MODE_11G);
 697                                 }
 698                                 break;
 699                         }
 700                 }
 701
 702                 /*
 703                  * If the hardware supports 802.11g, it most
 704                  * likely supports 802.11b and all of the
 705                  * 802.11b and 802.11g speeds, so maybe we can
 706                  * just cheat here.  Just how in the heck do
 707                  * we detect turbo modes, though?
 708                  */
 709                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11B)) {
 710                         TESTSETRATE(IEEE80211_MODE_11B,
 711                             IEEE80211_RATE_BASIC|2);
 712                         TESTSETRATE(IEEE80211_MODE_11B,
 713                             IEEE80211_RATE_BASIC|4);
 714                         TESTSETRATE(IEEE80211_MODE_11B,
 715                             IEEE80211_RATE_BASIC|11);
 716                         TESTSETRATE(IEEE80211_MODE_11B,
 717                             IEEE80211_RATE_BASIC|22);
 718                 }
 719                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11G)) {
 720                         TESTSETRATE(IEEE80211_MODE_11G, 47);
 721                         TESTSETRATE(IEEE80211_MODE_11G, 72);
 722                         TESTSETRATE(IEEE80211_MODE_11G, 96);
 723                         TESTSETRATE(IEEE80211_MODE_11G, 108);
 724                 }
 725                 if (ic->ic_modecaps & (1<<IEEE80211_MODE_11A)) {
 726                         TESTSETRATE(IEEE80211_MODE_11A, 47);
 727                         TESTSETRATE(IEEE80211_MODE_11A, 72);
 728                         TESTSETRATE(IEEE80211_MODE_11A, 96);
 729                         TESTSETRATE(IEEE80211_MODE_11A, 108);
 730                 }
 731 #undef SETRATE
 732 #undef INCRATE
 733                 /*
 734                  * Taking yet more guesses here.
 735                  */
 736                 for (i = 1; i < IEEE80211_CHAN_MAX; i++) {
 737                         int chanflag = 0;
 738
 739                         if (ic->ic_sup_rates[IEEE80211_MODE_11G].rs_nrates)
 740                                 chanflag |= IEEE80211_CHAN_G;
 741                         if (i <= 14)
 742                                 chanflag |= IEEE80211_CHAN_B;
 743                         if (ic->ic_sup_rates[IEEE80211_MODE_11A].rs_nrates &&
 744                             i > 14)
 745                                 chanflag = IEEE80211_CHAN_A;
 746                         if (chanflag == 0)
 747                                 break;
 748                         ic->ic_channels[i].ic_freq =
 749                             ieee80211_ieee2mhz(i, chanflag);
 750                         ic->ic_channels[i].ic_flags = chanflag;
 751                 }
 752
 753                 i = sizeof(arg);
 754                 r = ndis_get_info(sc, OID_802_11_WEP_STATUS, &arg, &i);
 755                 if (arg != NDIS_80211_WEPSTAT_NOTSUPPORTED)
 756                         ic->ic_caps |= IEEE80211_C_WEP;
 757                 i = sizeof(arg);
 758                 r = ndis_get_info(sc, OID_802_11_POWER_MODE, &arg, &i);
 759                 if (r == 0)
 760                         ic->ic_caps |= IEEE80211_C_PMGT;
 761                 bcopy(eaddr, &ic->ic_myaddr, sizeof(eaddr));
 762                 ieee80211_ifattach(ic);
 763                 ieee80211_media_init(ic, ieee80211_media_change,
 764                     ndis_media_status);
 765                 ic->ic_ibss_chan = IEEE80211_CHAN_ANYC;
 766                 ic->ic_bss->ni_chan = ic->ic_ibss_chan;
 767         } else {
 768                 ifmedia_init(&sc->ifmedia, IFM_IMASK, ndis_ifmedia_upd,
 769                     ndis_ifmedia_sts);
 770                 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_T, 0, NULL);
 771                 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_T|IFM_FDX, 0, NULL);
 772                 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_100_TX, 0, NULL);
 773                 ifmedia_add(&sc->ifmedia,
 774                     IFM_ETHER|IFM_100_TX|IFM_FDX, 0, NULL);
 775                 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_AUTO, 0, NULL);
 776                 ifmedia_set(&sc->ifmedia, IFM_ETHER|IFM_AUTO);
 777                 ether_ifattach(ifp, eaddr);
 778         }
 779
 780         /* Override the status handler so we can detect link changes. */
 781         sc->ndis_block->nmb_status_func = ndis_linksts_wrap;
 782         sc->ndis_block->nmb_statusdone_func = ndis_linksts_done_wrap;
 783 fail:
 784         if (error)
 785                 ndis_detach(dev);
 786         else
 787                 /* We're done talking to the NIC for now; halt it. */
 788                 ndis_halt_nic(sc);
 789
 790         return(error);
 791 }
 792
 793 /*
 794  * Shutdown hardware and free up resources. This can be called any
 795  * time after the mutex has been initialized. It is called in both
 796  * the error case in attach and the normal detach case so it needs
 797  * to be careful about only freeing resources that have actually been
 798  * allocated.
 799  */
 800 int
 801 ndis_detach(dev)
 802         device_t                dev;
 803 {
 804         struct ndis_softc       *sc;
 805         struct ifnet            *ifp;
 806         driver_object           *drv;
 807
 808         sc = device_get_softc(dev);
 809         KASSERT(mtx_initialized(&sc->ndis_mtx),
 810             ("ndis mutex not initialized"));
 811         NDIS_LOCK(sc);
 812         ifp = &sc->arpcom.ac_if;
 813         ifp->if_flags &= ~IFF_UP;
 814
 815         if (device_is_attached(dev)) {
 816                 NDIS_UNLOCK(sc);
 817                 ndis_stop(sc);
 818                 if (sc->ndis_80211)
 819                         ieee80211_ifdetach(&sc->ic);
 820                 else
 821                         ether_ifdetach(ifp);
 822         } else
 823                 NDIS_UNLOCK(sc);
 824
 825         bus_generic_detach(dev);
 826
 827         if (sc->ndis_intrhand)
 828                 bus_teardown_intr(dev, sc->ndis_irq, sc->ndis_intrhand);
 829         if (sc->ndis_irq)
 830                 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->ndis_irq);
 831         if (sc->ndis_res_io)
 832                 bus_release_resource(dev, SYS_RES_IOPORT,
 833                     sc->ndis_io_rid, sc->ndis_res_io);
 834         if (sc->ndis_res_mem)
 835                 bus_release_resource(dev, SYS_RES_MEMORY,
 836                     sc->ndis_mem_rid, sc->ndis_res_mem);
 837         if (sc->ndis_res_altmem)
 838                 bus_release_resource(dev, SYS_RES_MEMORY,
 839                     sc->ndis_altmem_rid, sc->ndis_res_altmem);
 840
 841         if (sc->ndis_iftype == PCMCIABus)
 842                 ndis_free_amem(sc);
 843
 844         if (sc->ndis_sc)
 845                 ndis_destroy_dma(sc);
 846
 847         if (sc->ndis_txarray)
 848                 free(sc->ndis_txarray, M_DEVBUF);
 849
 850         if (!sc->ndis_80211)
 851                 ifmedia_removeall(&sc->ifmedia);
 852
 853         if (sc->ndis_txpool != NULL)
 854                 NdisFreePacketPool(sc->ndis_txpool);
 855
 856         ndis_unload_driver(sc);
 857
 858         /* Destroy the PDO for this device. */
 859
 860         drv = windrv_lookup((vm_offset_t)drv_data);
 861         if (drv == NULL)
 862                 panic("couldn't find driver object");
 863         windrv_destroy_pdo(drv, dev);
 864
 865         if (sc->ndis_iftype == PCIBus)
 866                 bus_dma_tag_destroy(sc->ndis_parent_tag);
 867
 868 #if __FreeBSD_version < 502113
 869         sysctl_ctx_free(&sc->ndis_ctx);
 870 #endif
 871
 872         mtx_destroy(&sc->ndis_mtx);
 873
 874         return(0);
 875 }
 876
 877 int
 878 ndis_suspend(dev)
 879         device_t                dev;
 880 {
 881         struct ndis_softc       *sc;
 882         struct ifnet            *ifp;
 883
 884         sc = device_get_softc(dev);
 885         ifp = &sc->arpcom.ac_if;
 886
 887 #ifdef notdef
 888         if (NDIS_INITIALIZED(sc))
 889                 ndis_stop(sc);
 890 #endif
 891
 892         return(0);
 893 }
 894
 895 int
 896 ndis_resume(dev)
 897         device_t                dev;
 898 {
 899         struct ndis_softc       *sc;
 900         struct ifnet            *ifp;
 901
 902         sc = device_get_softc(dev);
 903         ifp = &sc->arpcom.ac_if;
 904
 905         if (NDIS_INITIALIZED(sc))
 906                 ndis_init(sc);
 907
 908         return(0);
 909 }
 910
 911 /*
 912  * A frame has been uploaded: pass the resulting mbuf chain up to
 913  * the higher level protocols.
 914  *
 915  * When handling received NDIS packets, the 'status' field in the
 916  * out-of-band portion of the ndis_packet has special meaning. In the
 917  * most common case, the underlying NDIS driver will set this field
 918  * to NDIS_STATUS_SUCCESS, which indicates that it's ok for us to
 919  * take posession of it. We then change the status field to
 920  * NDIS_STATUS_PENDING to tell the driver that we now own the packet,
 921  * and that we will return it at some point in the future via the
 922  * return packet handler.
 923  *
 924  * If the driver hands us a packet with a status of NDIS_STATUS_RESOURCES,
 925  * this means the driver is running out of packet/buffer resources and
 926  * wants to maintain ownership of the packet. In this case, we have to
 927  * copy the packet data into local storage and let the driver keep the
 928  * packet.
 929  */
 930 __stdcall static void
 931 ndis_rxeof(adapter, packets, pktcnt)
 932         ndis_handle             adapter;
 933         ndis_packet             **packets;
 934         uint32_t                pktcnt;
 935 {
 936         struct ndis_softc       *sc;
 937         ndis_miniport_block     *block;
 938         ndis_packet             *p;
 939         uint32_t                s;
 940         ndis_tcpip_csum         *csum;
 941         struct ifnet            *ifp;
 942         struct mbuf             *m0, *m;
 943         int                     i;
 944
 945         block = (ndis_miniport_block *)adapter;
 946         sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
 947         ifp = &sc->arpcom.ac_if;
 948
 949         for (i = 0; i < pktcnt; i++) {
 950                 p = packets[i];
 951                 /* Stash the softc here so ptom can use it. */
 952                 p->np_softc = sc;
 953                 if (ndis_ptom(&m0, p)) {
 954                         device_printf (sc->ndis_dev, "ptom failed\n");
 955                         if (p->np_oob.npo_status == NDIS_STATUS_SUCCESS)
 956                                 ndis_return_packet(sc, p);
 957                 } else {
 958                         if (p->np_oob.npo_status == NDIS_STATUS_RESOURCES) {
 959                                 m = m_dup(m0, M_DONTWAIT);
 960                                 /*
 961                                  * NOTE: we want to destroy the mbuf here, but
 962                                  * we don't actually want to return it to the
 963                                  * driver via the return packet handler. By
 964                                  * bumping np_refcnt, we can prevent the
 965                                  * ndis_return_packet() routine from actually
 966                                  * doing anything.
 967                                  */
 968                                 p->np_refcnt++;
 969                                 m_freem(m0);
 970                                 if (m == NULL)
 971                                         ifp->if_ierrors++;
 972                                 else
 973                                         m0 = m;
 974                         } else
 975                                 p->np_oob.npo_status = NDIS_STATUS_PENDING;
 976                         m0->m_pkthdr.rcvif = ifp;
 977                         ifp->if_ipackets++;
 978
 979                         /* Deal with checksum offload. */
 980
 981                         if (ifp->if_capenable & IFCAP_RXCSUM &&
 982                             p->np_ext.npe_info[ndis_tcpipcsum_info] != NULL) {
 983                                 s = (uintptr_t)
 984                                     p->np_ext.npe_info[ndis_tcpipcsum_info];
 985                                 csum = (ndis_tcpip_csum *)&s;
 986                                 if (csum->u.ntc_rxflags &
 987                                     NDIS_RXCSUM_IP_PASSED)
 988                                         m0->m_pkthdr.csum_flags |=
 989                                             CSUM_IP_CHECKED|CSUM_IP_VALID;
 990                                 if (csum->u.ntc_rxflags &
 991                                     (NDIS_RXCSUM_TCP_PASSED |
 992                                     NDIS_RXCSUM_UDP_PASSED)) {
 993                                         m0->m_pkthdr.csum_flags |=
 994                                             CSUM_DATA_VALID|CSUM_PSEUDO_HDR;
 995                                         m0->m_pkthdr.csum_data = 0xFFFF;
 996                                 }
 997                         }
 998
 999                         (*ifp->if_input)(ifp, m0);
1000                 }
1001         }
1002
1003         return;
1004 }
1005
1006 /*
1007  * A frame was downloaded to the chip. It's safe for us to clean up
1008  * the list buffers.
1009  */
1010 __stdcall static void
1011 ndis_txeof(adapter, packet, status)
1012         ndis_handle             adapter;
1013         ndis_packet             *packet;
1014         ndis_status             status;
1015
1016 {
1017         struct ndis_softc       *sc;
1018         ndis_miniport_block     *block;
1019         struct ifnet            *ifp;
1020         int                     idx;
1021         struct mbuf             *m;
1022
1023         block = (ndis_miniport_block *)adapter;
1024         sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
1025         ifp = &sc->arpcom.ac_if;
1026
1027         m = packet->np_m0;
1028         idx = packet->np_txidx;
1029         if (sc->ndis_sc)
1030                 bus_dmamap_unload(sc->ndis_ttag, sc->ndis_tmaps[idx]);
1031
1032         ndis_free_packet(packet);
1033         m_freem(m);
1034
1035         NDIS_LOCK(sc);
1036         sc->ndis_txarray[idx] = NULL;
1037         sc->ndis_txpending++;
1038
1039         if (status == NDIS_STATUS_SUCCESS)
1040                 ifp->if_opackets++;
1041         else
1042                 ifp->if_oerrors++;
1043         ifp->if_timer = 0;
1044         ifp->if_flags &= ~IFF_OACTIVE;
1045         NDIS_UNLOCK(sc);
1046
1047         ndis_sched(ndis_starttask, ifp, NDIS_TASKQUEUE);
1048
1049         return;
1050 }
1051
1052 __stdcall static void
1053 ndis_linksts(adapter, status, sbuf, slen)
1054         ndis_handle             adapter;
1055         ndis_status             status;
1056         void                    *sbuf;
1057         uint32_t                slen;
1058 {
1059         ndis_miniport_block     *block;
1060
1061         block = adapter;
1062         block->nmb_getstat = status;
1063
1064         return;
1065 }
1066
1067 __stdcall static void
1068 ndis_linksts_done(adapter)
1069         ndis_handle             adapter;
1070 {
1071         ndis_miniport_block     *block;
1072         struct ndis_softc       *sc;
1073         struct ifnet            *ifp;
1074
1075         block = adapter;
1076         sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
1077         ifp = &sc->arpcom.ac_if;
1078
1079         NDIS_LOCK(sc);
1080         if (!NDIS_INITIALIZED(sc)) {
1081                 NDIS_UNLOCK(sc);
1082                 return;
1083         }
1084
1085         switch (block->nmb_getstat) {
1086         case NDIS_STATUS_MEDIA_CONNECT:
1087                 ndis_sched(ndis_ticktask, sc, NDIS_TASKQUEUE);
1088                 ndis_sched(ndis_starttask, ifp, NDIS_TASKQUEUE);
1089                 break;
1090         case NDIS_STATUS_MEDIA_DISCONNECT:
1091                 if (sc->ndis_link)
1092                         ndis_sched(ndis_ticktask, sc, NDIS_TASKQUEUE);
1093                 break;
1094         default:
1095                 break;
1096         }
1097
1098         NDIS_UNLOCK(sc);
1099         return;
1100 }
1101
1102 static void
1103 ndis_intrtask(arg)
1104         void                    *arg;
1105 {
1106         struct ndis_softc       *sc;
1107         struct ifnet            *ifp;
1108         uint8_t                 irql;
1109
1110         sc = arg;
1111         ifp = &sc->arpcom.ac_if;
1112
1113         irql = KeRaiseIrql(DISPATCH_LEVEL);
1114         ndis_intrhand(sc);
1115         KeLowerIrql(irql);
1116
1117         ndis_enable_intr(sc);
1118
1119         return;
1120 }
1121
1122 static void
1123 ndis_intr(arg)
1124         void                    *arg;
1125 {
1126         struct ndis_softc       *sc;
1127         struct ifnet            *ifp;
1128         int                     is_our_intr = 0;
1129         int                     call_isr = 0;
1130         uint8_t                 irql;
1131         ndis_miniport_interrupt *intr;
1132
1133         sc = arg;
1134         ifp = &sc->arpcom.ac_if;
1135         intr = sc->ndis_block->nmb_interrupt;
1136
1137         if (sc->ndis_block->nmb_miniportadapterctx == NULL)
1138                 return;
1139
1140         KeAcquireSpinLock(&intr->ni_dpccountlock, &irql);
1141         if (sc->ndis_block->nmb_interrupt->ni_isrreq == TRUE)
1142                 ndis_isr(sc, &is_our_intr, &call_isr);
1143         else {
1144                 ndis_disable_intr(sc);
1145                 call_isr = 1;
1146         }
1147         KeReleaseSpinLock(&intr->ni_dpccountlock, irql);
1148
1149         if ((is_our_intr || call_isr))
1150                 ndis_sched(ndis_intrtask, ifp->if_softc, NDIS_SWI);
1151
1152         return;
1153 }
1154
1155 static void
1156 ndis_tick(xsc)
1157         void                    *xsc;
1158 {
1159         struct ndis_softc       *sc;
1160
1161         mtx_unlock(&Giant);
1162
1163         sc = xsc;
1164
1165         ndis_sched(ndis_ticktask, sc, NDIS_TASKQUEUE);
1166         sc->ndis_stat_ch = timeout(ndis_tick, sc, hz *
1167             sc->ndis_block->nmb_checkforhangsecs);
1168
1169         mtx_lock(&Giant);
1170
1171         return;
1172 }
1173
1174 static void
1175 ndis_ticktask(xsc)
1176         void                    *xsc;
1177 {
1178         struct ndis_softc       *sc;
1179         __stdcall ndis_checkforhang_handler hangfunc;
1180         uint8_t                 rval;
1181         ndis_media_state        linkstate;
1182         int                     error, len;
1183
1184         sc = xsc;
1185
1186         hangfunc = sc->ndis_chars->nmc_checkhang_func;
1187
1188         if (hangfunc != NULL) {
1189                 rval = hangfunc(sc->ndis_block->nmb_miniportadapterctx);
1190                 if (rval == TRUE) {
1191                         ndis_reset_nic(sc);
1192                         return;
1193                 }
1194         }
1195
1196         len = sizeof(linkstate);
1197         error = ndis_get_info(sc, OID_GEN_MEDIA_CONNECT_STATUS,
1198             (void *)&linkstate, &len);
1199
1200         NDIS_LOCK(sc);
1201
1202         if (sc->ndis_link == 0 && linkstate == nmc_connected) {
1203                 device_printf(sc->ndis_dev, "link up\n");
1204                 sc->ndis_link = 1;
1205                 NDIS_UNLOCK(sc);
1206                 if (sc->ndis_80211)
1207                         ndis_getstate_80211(sc);
1208                 NDIS_LOCK(sc);
1209 #ifdef LINK_STATE_UP
1210                 sc->arpcom.ac_if.if_link_state = LINK_STATE_UP;
1211                 rt_ifmsg(&(sc->arpcom.ac_if));
1212 #endif /* LINK_STATE_UP */
1213         }
1214
1215         if (sc->ndis_link == 1 && linkstate == nmc_disconnected) {
1216                 device_printf(sc->ndis_dev, "link down\n");
1217                 sc->ndis_link = 0;
1218 #ifdef LINK_STATE_DOWN
1219                 sc->arpcom.ac_if.if_link_state = LINK_STATE_DOWN;
1220                 rt_ifmsg(&(sc->arpcom.ac_if));
1221 #endif /* LINK_STATE_DOWN */
1222         }
1223
1224         NDIS_UNLOCK(sc);
1225
1226         return;
1227 }
1228
1229 static void
1230 ndis_map_sclist(arg, segs, nseg, mapsize, error)
1231         void                    *arg;
1232         bus_dma_segment_t       *segs;
1233         int                     nseg;
1234         bus_size_t              mapsize;
1235         int                     error;
1236
1237 {
1238         struct ndis_sc_list     *sclist;
1239         int                     i;
1240
1241         if (error || arg == NULL)
1242                 return;
1243
1244         sclist = arg;
1245
1246         sclist->nsl_frags = nseg;
1247
1248         for (i = 0; i < nseg; i++) {
1249                 sclist->nsl_elements[i].nse_addr.np_quad = segs[i].ds_addr;
1250                 sclist->nsl_elements[i].nse_len = segs[i].ds_len;
1251         }
1252
1253         return;
1254 }
1255
1256 static void
1257 ndis_starttask(arg)
1258         void                    *arg;
1259 {
1260         struct ifnet            *ifp;
1261
1262         ifp = arg;
1263 #if __FreeBSD_version < 502114
1264         if (ifp->if_snd.ifq_head != NULL)
1265 #else
1266         if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
1267 #endif
1268                 ndis_start(ifp);
1269         return;
1270 }
1271
1272 /*
1273  * Main transmit routine. To make NDIS drivers happy, we need to
1274  * transform mbuf chains into NDIS packets and feed them to the
1275  * send packet routines. Most drivers allow you to send several
1276  * packets at once (up to the maxpkts limit). Unfortunately, rather
1277  * that accepting them in the form of a linked list, they expect
1278  * a contiguous array of pointers to packets.
1279  *
1280  * For those drivers which use the NDIS scatter/gather DMA mechanism,
1281  * we need to perform busdma work here. Those that use map registers
1282  * will do the mapping themselves on a buffer by buffer basis.
1283  */
1284
1285 static void
1286 ndis_start(ifp)
1287         struct ifnet            *ifp;
1288 {
1289         struct ndis_softc       *sc;
1290         struct mbuf             *m = NULL;
1291         ndis_packet             **p0 = NULL, *p = NULL;
1292         ndis_tcpip_csum         *csum;
1293         int                     pcnt = 0, status;
1294
1295         sc = ifp->if_softc;
1296
1297         NDIS_LOCK(sc);
1298
1299         if (!sc->ndis_link || ifp->if_flags & IFF_OACTIVE) {
1300                 NDIS_UNLOCK(sc);
1301                 return;
1302         }
1303
1304         p0 = &sc->ndis_txarray[sc->ndis_txidx];
1305
1306         while(sc->ndis_txpending) {
1307 #if __FreeBSD_version < 502114
1308                 IF_DEQUEUE(&ifp->if_snd, m);
1309 #else
1310                 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1311 #endif
1312                 if (m == NULL)
1313                         break;
1314
1315                 NdisAllocatePacket(&status,
1316                     &sc->ndis_txarray[sc->ndis_txidx], sc->ndis_txpool);
1317
1318                 if (status != NDIS_STATUS_SUCCESS)
1319                         break;
1320
1321                 if (ndis_mtop(m, &sc->ndis_txarray[sc->ndis_txidx])) {
1322 #if __FreeBSD_version >= 502114
1323                         IFQ_DRV_PREPEND(&ifp->if_snd, m);
1324 #endif
1325                         NDIS_UNLOCK(sc);
1326 #if __FreeBSD_version < 502114
1327                         IF_PREPEND(&ifp->if_snd, m);
1328 #endif
1329                         return;
1330                 }
1331
1332                 /*
1333                  * Save pointer to original mbuf
1334                  * so we can free it later.
1335                  */
1336
1337                 p = sc->ndis_txarray[sc->ndis_txidx];
1338                 p->np_txidx = sc->ndis_txidx;
1339                 p->np_m0 = m;
1340                 p->np_oob.npo_status = NDIS_STATUS_PENDING;
1341
1342                 /*
1343                  * Do scatter/gather processing, if driver requested it.
1344                  */
1345                 if (sc->ndis_sc) {
1346                         bus_dmamap_load_mbuf(sc->ndis_ttag,
1347                             sc->ndis_tmaps[sc->ndis_txidx], m,
1348                             ndis_map_sclist, &p->np_sclist, BUS_DMA_NOWAIT);
1349                         bus_dmamap_sync(sc->ndis_ttag,
1350                             sc->ndis_tmaps[sc->ndis_txidx],
1351                             BUS_DMASYNC_PREREAD);
1352                         p->np_ext.npe_info[ndis_sclist_info] = &p->np_sclist;
1353                 }
1354
1355                 /* Handle checksum offload. */
1356
1357                 if (ifp->if_capenable & IFCAP_TXCSUM &&
1358                     m->m_pkthdr.csum_flags) {
1359                         csum = (ndis_tcpip_csum *)
1360                                 &p->np_ext.npe_info[ndis_tcpipcsum_info];
1361                         csum->u.ntc_txflags = NDIS_TXCSUM_DO_IPV4;
1362                         if (m->m_pkthdr.csum_flags & CSUM_IP)
1363                                 csum->u.ntc_txflags |= NDIS_TXCSUM_DO_IP;
1364                         if (m->m_pkthdr.csum_flags & CSUM_TCP)
1365                                 csum->u.ntc_txflags |= NDIS_TXCSUM_DO_TCP;
1366                         if (m->m_pkthdr.csum_flags & CSUM_UDP)
1367                                 csum->u.ntc_txflags |= NDIS_TXCSUM_DO_UDP;
1368                         p->np_private.npp_flags = NDIS_PROTOCOL_ID_TCP_IP;
1369                 }
1370
1371                 NDIS_INC(sc);
1372                 sc->ndis_txpending--;
1373
1374                 pcnt++;
1375
1376                 /*
1377                  * If there's a BPF listener, bounce a copy of this frame
1378                  * to him.
1379                  */
1380
1381                 BPF_MTAP(ifp, m);
1382
1383                 /*
1384                  * The array that p0 points to must appear contiguous,
1385                  * so we must not wrap past the end of sc->ndis_txarray[].
1386                  * If it looks like we're about to wrap, break out here
1387                  * so the this batch of packets can be transmitted, then
1388                  * wait for txeof to ask us to send the rest.
1389                  */
1390
1391                 if (sc->ndis_txidx == 0)
1392                         break;
1393         }
1394
1395         if (pcnt == 0) {
1396                 NDIS_UNLOCK(sc);
1397                 return;
1398         }
1399
1400         if (sc->ndis_txpending == 0)
1401                 ifp->if_flags |= IFF_OACTIVE;
1402
1403         /*
1404          * Set a timeout in case the chip goes out to lunch.
1405          */
1406         ifp->if_timer = 5;
1407
1408         NDIS_UNLOCK(sc);
1409
1410         if (sc->ndis_maxpkts == 1)
1411                 ndis_send_packet(sc, p);
1412         else
1413                 ndis_send_packets(sc, p0, pcnt);
1414
1415         return;
1416 }
1417
1418 static void
1419 ndis_init(xsc)
1420         void                    *xsc;
1421 {
1422         struct ndis_softc       *sc = xsc;
1423         struct ifnet            *ifp = &sc->arpcom.ac_if;
1424         int                     i, error;
1425
1426         /*
1427          * Avoid reintializing the link unnecessarily.
1428          * This should be dealt with in a better way by
1429          * fixing the upper layer modules so they don't
1430          * call ifp->if_init() quite as often.
1431          */
1432         if (sc->ndis_link && sc->ndis_skip)
1433                 return;
1434
1435         /*
1436          * Cancel pending I/O and free all RX/TX buffers.
1437          */
1438         ndis_stop(sc);
1439         if (ndis_init_nic(sc))
1440                 return;
1441
1442         /* Init our MAC address */
1443
1444         /* Program the packet filter */
1445
1446         sc->ndis_filter = NDIS_PACKET_TYPE_DIRECTED;
1447
1448         if (ifp->if_flags & IFF_BROADCAST)
1449                 sc->ndis_filter |= NDIS_PACKET_TYPE_BROADCAST;
1450
1451         if (ifp->if_flags & IFF_PROMISC)
1452                 sc->ndis_filter |= NDIS_PACKET_TYPE_PROMISCUOUS;
1453
1454         i = sizeof(sc->ndis_filter);
1455
1456         error = ndis_set_info(sc, OID_GEN_CURRENT_PACKET_FILTER,
1457             &sc->ndis_filter, &i);
1458
1459         if (error)
1460                 device_printf (sc->ndis_dev, "set filter failed: %d\n", error);
1461
1462         /*
1463          * Program the multicast filter, if necessary.
1464          */
1465         ndis_setmulti(sc);
1466
1467         /* Setup task offload. */
1468         ndis_set_offload(sc);
1469
1470         /* Enable interrupts. */
1471         ndis_enable_intr(sc);
1472
1473         if (sc->ndis_80211)
1474                 ndis_setstate_80211(sc);
1475
1476         NDIS_LOCK(sc);
1477
1478         sc->ndis_txidx = 0;
1479         sc->ndis_txpending = sc->ndis_maxpkts;
1480         sc->ndis_link = 0;
1481
1482         ifp->if_flags |= IFF_RUNNING;
1483         ifp->if_flags &= ~IFF_OACTIVE;
1484
1485         NDIS_UNLOCK(sc);
1486
1487         /*
1488          * Some drivers don't set this value. The NDIS spec says
1489          * the default checkforhang timeout is "approximately 2
1490          * seconds." We use 3 seconds, because it seems for some
1491          * drivers, exactly 2 seconds is too fast.
1492          */
1493
1494         if (sc->ndis_block->nmb_checkforhangsecs == 0)
1495                 sc->ndis_block->nmb_checkforhangsecs = 3;
1496
1497         sc->ndis_stat_ch = timeout(ndis_tick, sc,
1498             hz * sc->ndis_block->nmb_checkforhangsecs);
1499
1500         return;
1501 }
1502
1503 /*
1504  * Set media options.
1505  */
1506 static int
1507 ndis_ifmedia_upd(ifp)
1508         struct ifnet            *ifp;
1509 {
1510         struct ndis_softc               *sc;
1511
1512         sc = ifp->if_softc;
1513
1514         if (NDIS_INITIALIZED(sc))
1515                 ndis_init(sc);
1516
1517         return(0);
1518 }
1519
1520 /*
1521  * Report current media status.
1522  */
1523 static void
1524 ndis_ifmedia_sts(ifp, ifmr)
1525         struct ifnet            *ifp;
1526         struct ifmediareq       *ifmr;
1527 {
1528         struct ndis_softc       *sc;
1529         uint32_t                media_info;
1530         ndis_media_state        linkstate;
1531         int                     error, len;
1532
1533         ifmr->ifm_status = IFM_AVALID;
1534         ifmr->ifm_active = IFM_ETHER;
1535         sc = ifp->if_softc;
1536
1537         if (!NDIS_INITIALIZED(sc))
1538                 return;
1539
1540         len = sizeof(linkstate);
1541         error = ndis_get_info(sc, OID_GEN_MEDIA_CONNECT_STATUS,
1542             (void *)&linkstate, &len);
1543
1544         len = sizeof(media_info);
1545         error = ndis_get_info(sc, OID_GEN_LINK_SPEED,
1546             (void *)&media_info, &len);
1547
1548         if (linkstate == nmc_connected)
1549                 ifmr->ifm_status |= IFM_ACTIVE;
1550
1551         switch(media_info) {
1552         case 100000:
1553                 ifmr->ifm_active |= IFM_10_T;
1554                 break;
1555         case 1000000:
1556                 ifmr->ifm_active |= IFM_100_TX;
1557                 break;
1558         case 10000000:
1559                 ifmr->ifm_active |= IFM_1000_T;
1560                 break;
1561         default:
1562                 device_printf(sc->ndis_dev, "unknown speed: %d\n", media_info);
1563                 break;
1564         }
1565
1566         return;
1567 }
1568
1569 static void
1570 ndis_setstate_80211(sc)
1571         struct ndis_softc       *sc;
1572 {
1573         struct ieee80211com     *ic;
1574         ndis_80211_ssid         ssid;
1575         ndis_80211_config       config;
1576         ndis_80211_wep          wep;
1577         int                     i, rval = 0, len;
1578         uint32_t                arg;
1579         struct ifnet            *ifp;
1580
1581         ic = &sc->ic;
1582         ifp = &sc->arpcom.ac_if;
1583
1584         if (!NDIS_INITIALIZED(sc))
1585                 return;
1586
1587         /* Set network infrastructure mode. */
1588
1589         len = sizeof(arg);
1590         if (ic->ic_opmode == IEEE80211_M_IBSS)
1591                 arg = NDIS_80211_NET_INFRA_IBSS;
1592         else
1593                 arg = NDIS_80211_NET_INFRA_BSS;
1594
1595         rval = ndis_set_info(sc, OID_802_11_INFRASTRUCTURE_MODE, &arg, &len);
1596
1597         if (rval)
1598                 device_printf (sc->ndis_dev, "set infra failed: %d\n", rval);
1599
1600         /* Set WEP */
1601
1602 #ifdef IEEE80211_F_PRIVACY
1603         if (ic->ic_flags & IEEE80211_F_PRIVACY) {
1604 #else
1605         if (ic->ic_wep_mode >= IEEE80211_WEP_ON) {
1606 #endif
1607                 for (i = 0; i < IEEE80211_WEP_NKID; i++) {
1608                         if (ic->ic_nw_keys[i].wk_keylen) {
1609                                 bzero((char *)&wep, sizeof(wep));
1610                                 wep.nw_keylen = ic->ic_nw_keys[i].wk_keylen;
1611 #ifdef notdef
1612                                 /* 5 and 13 are the only valid key lengths */
1613                                 if (ic->ic_nw_keys[i].wk_keylen < 5)
1614                                         wep.nw_keylen = 5;
1615                                 else if (ic->ic_nw_keys[i].wk_keylen > 5 &&
1616                                      ic->ic_nw_keys[i].wk_keylen < 13)
1617                                         wep.nw_keylen = 13;
1618 #endif
1619                                 wep.nw_keyidx = i;
1620                                 wep.nw_length = (sizeof(uint32_t) * 3)
1621                                     + wep.nw_keylen;
1622                                 if (i == ic->ic_def_txkey)
1623                                         wep.nw_keyidx |= NDIS_80211_WEPKEY_TX;
1624                                 bcopy(ic->ic_nw_keys[i].wk_key,
1625                                     wep.nw_keydata, wep.nw_length);
1626                                 len = sizeof(wep);
1627                                 rval = ndis_set_info(sc,
1628                                     OID_802_11_ADD_WEP, &wep, &len);
1629                                 if (rval)
1630                                         device_printf(sc->ndis_dev,
1631                                             "set wepkey failed: %d\n", rval);
1632                         }
1633                 }
1634                 arg = NDIS_80211_WEPSTAT_ENABLED;
1635                 len = sizeof(arg);
1636                 rval = ndis_set_info(sc, OID_802_11_WEP_STATUS, &arg, &len);
1637                 if (rval)
1638                         device_printf(sc->ndis_dev,
1639                             "enable WEP failed: %d\n", rval);
1640 #ifndef IEEE80211_F_WEPON
1641 #if 0
1642                 if (ic->ic_wep_mode != IEEE80211_WEP_8021X &&
1643                     ic->ic_wep_mode != IEEE80211_WEP_ON)
1644                         arg = NDIS_80211_PRIVFILT_ACCEPTALL;
1645                 else
1646 #endif
1647 #endif
1648                         arg = NDIS_80211_PRIVFILT_8021XWEP;
1649                 len = sizeof(arg);
1650                 rval = ndis_set_info(sc, OID_802_11_PRIVACY_FILTER, &arg, &len);
1651 #ifdef IEEE80211_WEP_8021X /*IEEE80211_F_WEPON*/
1652                 /* Accept that we only have "shared" and 802.1x modes. */
1653                 if (rval == 0) {
1654                         if (arg == NDIS_80211_PRIVFILT_ACCEPTALL)
1655                                 ic->ic_wep_mode = IEEE80211_WEP_MIXED;
1656                         else
1657                                 ic->ic_wep_mode = IEEE80211_WEP_8021X;
1658                 }
1659 #endif
1660                 arg = NDIS_80211_AUTHMODE_OPEN;
1661         } else {
1662                 arg = NDIS_80211_WEPSTAT_DISABLED;
1663                 len = sizeof(arg);
1664                 ndis_set_info(sc, OID_802_11_WEP_STATUS, &arg, &len);
1665                 arg = NDIS_80211_AUTHMODE_OPEN;
1666         }
1667
1668         len = sizeof(arg);
1669         rval = ndis_set_info(sc, OID_802_11_AUTHENTICATION_MODE, &arg, &len);
1670
1671 #ifdef notyet
1672         if (rval)
1673                 device_printf (sc->ndis_dev, "set auth failed: %d\n", rval);
1674 #endif
1675
1676 #ifdef notyet
1677         /* Set network type. */
1678
1679         arg = 0;
1680
1681         switch (ic->ic_curmode) {
1682         case IEEE80211_MODE_11A:
1683                 arg = NDIS_80211_NETTYPE_11OFDM5;
1684                 break;
1685         case IEEE80211_MODE_11B:
1686                 arg = NDIS_80211_NETTYPE_11DS;
1687                 break;
1688         case IEEE80211_MODE_11G:
1689                 arg = NDIS_80211_NETTYPE_11OFDM24;
1690                 break;
1691         default:
1692                 device_printf(sc->ndis_dev, "unknown mode: %d\n",
1693                     ic->ic_curmode);
1694         }
1695
1696         if (arg) {
1697                 len = sizeof(arg);
1698                 rval = ndis_set_info(sc, OID_802_11_NETWORK_TYPE_IN_USE,
1699                     &arg, &len);
1700                 if (rval)
1701                         device_printf (sc->ndis_dev,
1702                             "set nettype failed: %d\n", rval);
1703         }
1704 #endif
1705
1706         len = sizeof(config);
1707         bzero((char *)&config, len);
1708         config.nc_length = len;
1709         config.nc_fhconfig.ncf_length = sizeof(ndis_80211_config_fh);
1710         rval = ndis_get_info(sc, OID_802_11_CONFIGURATION, &config, &len);
1711
1712         /*
1713          * Some drivers expect us to initialize these values, so
1714          * provide some defaults.
1715          */
1716         if (config.nc_beaconperiod == 0)
1717                 config.nc_beaconperiod = 100;
1718         if (config.nc_atimwin == 0)
1719                 config.nc_atimwin = 100;
1720         if (config.nc_fhconfig.ncf_dwelltime == 0)
1721                 config.nc_fhconfig.ncf_dwelltime = 200;
1722
1723         if (rval == 0 && ic->ic_ibss_chan != IEEE80211_CHAN_ANYC) {
1724                 int chan, chanflag;
1725
1726                 chan = ieee80211_chan2ieee(ic, ic->ic_ibss_chan);
1727                 chanflag = config.nc_dsconfig > 2500000 ? IEEE80211_CHAN_2GHZ :
1728                     IEEE80211_CHAN_5GHZ;
1729                 if (chan != ieee80211_mhz2ieee(config.nc_dsconfig / 1000, 0)) {
1730                         config.nc_dsconfig =
1731                             ic->ic_ibss_chan->ic_freq * 1000;
1732                         ic->ic_bss->ni_chan = ic->ic_ibss_chan;
1733                         len = sizeof(config);
1734                         config.nc_length = len;
1735                         config.nc_fhconfig.ncf_length =
1736                             sizeof(ndis_80211_config_fh);
1737                         rval = ndis_set_info(sc, OID_802_11_CONFIGURATION,
1738                             &config, &len);
1739                         if (rval)
1740                                 device_printf(sc->ndis_dev, "couldn't change "
1741                                     "DS config to %ukHz: %d\n",
1742                                     config.nc_dsconfig, rval);
1743                 }
1744         } else if (rval)
1745                 device_printf(sc->ndis_dev, "couldn't retrieve "
1746                     "channel info: %d\n", rval);
1747
1748         /* Set SSID -- always do this last. */
1749
1750         len = sizeof(ssid);
1751         bzero((char *)&ssid, len);
1752         ssid.ns_ssidlen = ic->ic_des_esslen;
1753         if (ssid.ns_ssidlen == 0) {
1754                 ssid.ns_ssidlen = 1;
1755         } else
1756                 bcopy(ic->ic_des_essid, ssid.ns_ssid, ssid.ns_ssidlen);
1757         rval = ndis_set_info(sc, OID_802_11_SSID, &ssid, &len);
1758
1759         if (rval)
1760                 device_printf (sc->ndis_dev, "set ssid failed: %d\n", rval);
1761
1762         return;
1763 }
1764
1765 static void
1766 ndis_media_status(struct ifnet *ifp, struct ifmediareq *imr)
1767 {
1768         struct ieee80211com *ic = &((struct ndis_softc *)ifp->if_softc)->ic;
1769         struct ieee80211_node *ni = NULL;
1770
1771         imr->ifm_status = IFM_AVALID;
1772         imr->ifm_active = IFM_IEEE80211;
1773         if (ic->ic_state == IEEE80211_S_RUN)
1774                 imr->ifm_status |= IFM_ACTIVE;
1775         imr->ifm_active |= IFM_AUTO;
1776         switch (ic->ic_opmode) {
1777         case IEEE80211_M_STA:
1778                 ni = ic->ic_bss;
1779                 /* calculate rate subtype */
1780                 imr->ifm_active |= ieee80211_rate2media(ic,
1781                         ni->ni_rates.rs_rates[ni->ni_txrate], ic->ic_curmode);
1782                 break;
1783         case IEEE80211_M_IBSS:
1784                 ni = ic->ic_bss;
1785                 /* calculate rate subtype */
1786                 imr->ifm_active |= ieee80211_rate2media(ic,
1787                         ni->ni_rates.rs_rates[ni->ni_txrate], ic->ic_curmode);
1788                 imr->ifm_active |= IFM_IEEE80211_ADHOC;
1789                 break;
1790         case IEEE80211_M_AHDEMO:
1791                 /* should not come here */
1792                 break;
1793         case IEEE80211_M_HOSTAP:
1794                 imr->ifm_active |= IFM_IEEE80211_HOSTAP;
1795                 break;
1796         case IEEE80211_M_MONITOR:
1797                 imr->ifm_active |= IFM_IEEE80211_MONITOR;
1798                 break;
1799         }
1800         switch (ic->ic_curmode) {
1801         case IEEE80211_MODE_11A:
1802                 imr->ifm_active |= IFM_MAKEMODE(IFM_IEEE80211_11A);
1803                 break;
1804         case IEEE80211_MODE_11B:
1805                 imr->ifm_active |= IFM_MAKEMODE(IFM_IEEE80211_11B);
1806                 break;
1807         case IEEE80211_MODE_11G:
1808                 imr->ifm_active |= IFM_MAKEMODE(IFM_IEEE80211_11G);
1809                 break;
1810         case IEEE80211_MODE_TURBO_A:
1811                 imr->ifm_active |= IFM_MAKEMODE(IFM_IEEE80211_11A)
1812                                 |  IFM_IEEE80211_TURBO;
1813                 break;
1814         }
1815 }
1816
1817 static int
1818 ndis_get_assoc(sc, assoc)
1819         struct ndis_softc       *sc;
1820         ndis_wlan_bssid_ex      **assoc;
1821 {
1822         ndis_80211_bssid_list_ex        *bl;
1823         ndis_wlan_bssid_ex      *bs;
1824         ndis_80211_macaddr      bssid;
1825         int                     i, len, error;
1826
1827         if (!sc->ndis_link)
1828                 return(ENOENT);
1829
1830         len = sizeof(bssid);
1831         error = ndis_get_info(sc, OID_802_11_BSSID, &bssid, &len);
1832         if (error) {
1833                 device_printf(sc->ndis_dev, "failed to get bssid\n");
1834                 return(ENOENT);
1835         }
1836         len = 0;
1837         error = ndis_get_info(sc, OID_802_11_BSSID_LIST, NULL, &len);
1838         if (error != ENOSPC) {
1839                 device_printf(sc->ndis_dev, "bssid_list failed\n");
1840                 return (error);
1841         }
1842
1843         bl = malloc(len, M_TEMP, M_NOWAIT|M_ZERO);
1844         error = ndis_get_info(sc, OID_802_11_BSSID_LIST, bl, &len);
1845         if (error) {
1846                 free(bl, M_TEMP);
1847                 device_printf(sc->ndis_dev, "bssid_list failed\n");
1848                 return (error);
1849         }
1850
1851         bs = (ndis_wlan_bssid_ex *)&bl->nblx_bssid[0];
1852         for (i = 0; i < bl->nblx_items; i++) {
1853                 if (bcmp(bs->nwbx_macaddr, bssid, sizeof(bssid)) == 0) {
1854                         *assoc = malloc(bs->nwbx_len, M_TEMP, M_NOWAIT);
1855                         if (*assoc == NULL) {
1856                                 free(bl, M_TEMP);
1857                                 return(ENOMEM);
1858                         }
1859                         bcopy((char *)bs, (char *)*assoc, bs->nwbx_len);
1860                         free(bl, M_TEMP);
1861                         return(0);
1862                 }
1863                 bs = (ndis_wlan_bssid_ex *)((char *)bs + bs->nwbx_len);
1864         }
1865
1866         free(bl, M_TEMP);
1867         return(ENOENT);
1868 }
1869
1870 static void
1871 ndis_getstate_80211(sc)
1872         struct ndis_softc       *sc;
1873 {
1874         struct ieee80211com     *ic;
1875         ndis_80211_ssid         ssid;
1876         ndis_80211_config       config;
1877         ndis_wlan_bssid_ex      *bs;
1878         int                     rval, len, i = 0;
1879         uint32_t                arg;
1880         struct ifnet            *ifp;
1881
1882         ic = &sc->ic;
1883         ifp = &sc->arpcom.ac_if;
1884
1885         if (!NDIS_INITIALIZED(sc))
1886                 return;
1887
1888         if (sc->ndis_link)
1889                 ic->ic_state = IEEE80211_S_RUN;
1890         else
1891                 ic->ic_state = IEEE80211_S_ASSOC;
1892
1893
1894         /*
1895          * If we're associated, retrieve info on the current bssid.
1896          */
1897         if ((rval = ndis_get_assoc(sc, &bs)) == 0) {
1898                 switch(bs->nwbx_nettype) {
1899                 case NDIS_80211_NETTYPE_11FH:
1900                 case NDIS_80211_NETTYPE_11DS:
1901                         ic->ic_curmode = IEEE80211_MODE_11B;
1902                         break;
1903                 case NDIS_80211_NETTYPE_11OFDM5:
1904                         ic->ic_curmode = IEEE80211_MODE_11A;
1905                         break;
1906                 case NDIS_80211_NETTYPE_11OFDM24:
1907                         ic->ic_curmode = IEEE80211_MODE_11G;
1908                         break;
1909                 default:
1910                         device_printf(sc->ndis_dev,
1911                             "unknown nettype %d\n", arg);
1912                         break;
1913                 }
1914                 IEEE80211_ADDR_COPY(ic->ic_bss->ni_bssid, bs->nwbx_macaddr);
1915                 free(bs, M_TEMP);
1916         } else
1917                 return;
1918
1919         len = sizeof(ssid);
1920         bzero((char *)&ssid, len);
1921         rval = ndis_get_info(sc, OID_802_11_SSID, &ssid, &len);
1922
1923         if (rval)
1924                 device_printf (sc->ndis_dev, "get ssid failed: %d\n", rval);
1925         bcopy(ssid.ns_ssid, ic->ic_bss->ni_essid, ssid.ns_ssidlen);
1926         ic->ic_bss->ni_esslen = ssid.ns_ssidlen;
1927
1928         len = sizeof(arg);
1929         rval = ndis_get_info(sc, OID_GEN_LINK_SPEED, &arg, &len);
1930         if (rval)
1931                 device_printf (sc->ndis_dev, "get link speed failed: %d\n",
1932                     rval);
1933
1934         if (ic->ic_modecaps & (1<<IEEE80211_MODE_11B)) {
1935                 ic->ic_bss->ni_rates = ic->ic_sup_rates[IEEE80211_MODE_11B];
1936                 for (i = 0; i < ic->ic_bss->ni_rates.rs_nrates; i++) {
1937                         if ((ic->ic_bss->ni_rates.rs_rates[i] &
1938                             IEEE80211_RATE_VAL) == arg / 5000)
1939                                 break;
1940                 }
1941         }
1942
1943         if (i == ic->ic_bss->ni_rates.rs_nrates &&
1944             ic->ic_modecaps & (1<<IEEE80211_MODE_11G)) {
1945                 ic->ic_bss->ni_rates = ic->ic_sup_rates[IEEE80211_MODE_11G];
1946                 for (i = 0; i < ic->ic_bss->ni_rates.rs_nrates; i++) {
1947                         if ((ic->ic_bss->ni_rates.rs_rates[i] &
1948                             IEEE80211_RATE_VAL) == arg / 5000)
1949                                 break;
1950                 }
1951         }
1952
1953         if (i == ic->ic_bss->ni_rates.rs_nrates)
1954                 device_printf(sc->ndis_dev, "no matching rate for: %d\n",
1955                     arg / 5000);
1956         else
1957                 ic->ic_bss->ni_txrate = i;
1958
1959         if (ic->ic_caps & IEEE80211_C_PMGT) {
1960                 len = sizeof(arg);
1961                 rval = ndis_get_info(sc, OID_802_11_POWER_MODE, &arg, &len);
1962
1963                 if (rval)
1964                         device_printf(sc->ndis_dev,
1965                             "get power mode failed: %d\n", rval);
1966                 if (arg == NDIS_80211_POWERMODE_CAM)
1967                         ic->ic_flags &= ~IEEE80211_F_PMGTON;
1968                 else
1969                         ic->ic_flags |= IEEE80211_F_PMGTON;
1970         }
1971
1972         len = sizeof(config);
1973         bzero((char *)&config, len);
1974         config.nc_length = len;
1975         config.nc_fhconfig.ncf_length = sizeof(ndis_80211_config_fh);
1976         rval = ndis_get_info(sc, OID_802_11_CONFIGURATION, &config, &len);
1977         if (rval == 0) {
1978                 int chan;
1979
1980                 chan = ieee80211_mhz2ieee(config.nc_dsconfig / 1000, 0);
1981                 if (chan < 0 || chan >= IEEE80211_CHAN_MAX) {
1982                         if (ifp->if_flags & IFF_DEBUG)
1983                                 device_printf(sc->ndis_dev, "current channel "
1984                                     "(%uMHz) out of bounds\n",
1985                                     config.nc_dsconfig / 1000);
1986                         ic->ic_bss->ni_chan = &ic->ic_channels[1];
1987                 } else
1988                         ic->ic_bss->ni_chan = &ic->ic_channels[chan];
1989         } else
1990                 device_printf(sc->ndis_dev, "couldn't retrieve "
1991                     "channel info: %d\n", rval);
1992
1993 /*
1994         len = sizeof(arg);
1995         rval = ndis_get_info(sc, OID_802_11_WEP_STATUS, &arg, &len);
1996
1997         if (rval)
1998                 device_printf (sc->ndis_dev,
1999                     "get wep status failed: %d\n", rval);
2000
2001         if (arg == NDIS_80211_WEPSTAT_ENABLED)
2002                 ic->ic_flags |= IEEE80211_F_WEPON;
2003         else
2004                 ic->ic_flags &= ~IEEE80211_F_WEPON;
2005 */
2006         return;
2007 }
2008
2009 static int
2010 ndis_ioctl(ifp, command, data)
2011         struct ifnet            *ifp;
2012         u_long                  command;
2013         caddr_t                 data;
2014 {
2015         struct ndis_softc       *sc = ifp->if_softc;
2016         struct ifreq            *ifr = (struct ifreq *) data;
2017         int                     i, error = 0;
2018
2019         /*NDIS_LOCK(sc);*/
2020
2021         switch(command) {
2022         case SIOCSIFFLAGS:
2023                 if (ifp->if_flags & IFF_UP) {
2024                         if (ifp->if_flags & IFF_RUNNING &&
2025                             ifp->if_flags & IFF_PROMISC &&
2026                             !(sc->ndis_if_flags & IFF_PROMISC)) {
2027                                 sc->ndis_filter |=
2028                                     NDIS_PACKET_TYPE_PROMISCUOUS;
2029                                 i = sizeof(sc->ndis_filter);
2030                                 error = ndis_set_info(sc,
2031                                     OID_GEN_CURRENT_PACKET_FILTER,
2032                                     &sc->ndis_filter, &i);
2033                         } else if (ifp->if_flags & IFF_RUNNING &&
2034                             !(ifp->if_flags & IFF_PROMISC) &&
2035                             sc->ndis_if_flags & IFF_PROMISC) {
2036                                 sc->ndis_filter &=
2037                                     ~NDIS_PACKET_TYPE_PROMISCUOUS;
2038                                 i = sizeof(sc->ndis_filter);
2039                                 error = ndis_set_info(sc,
2040                                     OID_GEN_CURRENT_PACKET_FILTER,
2041                                     &sc->ndis_filter, &i);
2042                         } else
2043                                 ndis_init(sc);
2044                 } else {
2045                         if (ifp->if_flags & IFF_RUNNING)
2046                                 ndis_stop(sc);
2047                 }
2048                 sc->ndis_if_flags = ifp->if_flags;
2049                 error = 0;
2050                 break;
2051         case SIOCADDMULTI:
2052         case SIOCDELMULTI:
2053                 ndis_setmulti(sc);
2054                 error = 0;
2055                 break;
2056         case SIOCGIFMEDIA:
2057         case SIOCSIFMEDIA:
2058                 if (sc->ndis_80211) {
2059                         error = ieee80211_ioctl(&sc->ic, command, data);
2060                         if (error == ENETRESET) {
2061                                 ndis_setstate_80211(sc);
2062                                 /*ndis_init(sc);*/
2063                                 error = 0;
2064                         }
2065                 } else
2066                         error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, command);
2067                 break;
2068         case SIOCSIFCAP:
2069                 ifp->if_capenable = ifr->ifr_reqcap;
2070                 if (ifp->if_capenable & IFCAP_TXCSUM)
2071                         ifp->if_hwassist = sc->ndis_hwassist;
2072                 else
2073                         ifp->if_hwassist = 0;
2074                 ndis_set_offload(sc);
2075                 break;
2076         case SIOCG80211:
2077                 if (sc->ndis_80211)
2078                         error = ndis_80211_ioctl_get(ifp, command, data);
2079                 else
2080                         error = ENOTTY;
2081                 break;
2082         case SIOCS80211:
2083                 if (sc->ndis_80211)
2084                         error = ndis_80211_ioctl_set(ifp, command, data);
2085                 else
2086                         error = ENOTTY;
2087                 break;
2088         case SIOCGIFGENERIC:
2089         case SIOCSIFGENERIC:
2090                 if (sc->ndis_80211 && NDIS_INITIALIZED(sc)) {
2091                         if (command == SIOCGIFGENERIC)
2092                                 error = ndis_wi_ioctl_get(ifp, command, data);
2093                         else
2094                                 error = ndis_wi_ioctl_set(ifp, command, data);
2095                 } else
2096                         error = ENOTTY;
2097                 if (error != ENOTTY)
2098                         break;
2099         default:
2100                 sc->ndis_skip = 1;
2101                 if (sc->ndis_80211) {
2102                         error = ieee80211_ioctl(&sc->ic, command, data);
2103                         if (error == ENETRESET) {
2104                                 ndis_setstate_80211(sc);
2105                                 error = 0;
2106                         }
2107                 } else
2108                         error = ether_ioctl(ifp, command, data);
2109                 sc->ndis_skip = 0;
2110                 break;
2111         }
2112
2113         /*NDIS_UNLOCK(sc);*/
2114
2115         return(error);
2116 }
2117
2118 static int
2119 ndis_wi_ioctl_get(ifp, command, data)
2120         struct ifnet            *ifp;
2121         u_long                  command;
2122         caddr_t                 data;
2123 {
2124         struct wi_req           wreq;
2125         struct ifreq            *ifr;
2126         struct ndis_softc       *sc;
2127         ndis_80211_bssid_list_ex *bl;
2128         ndis_wlan_bssid_ex      *wb;
2129         struct wi_apinfo        *api;
2130         int                     error, i, j, len, maxaps;
2131
2132         sc = ifp->if_softc;
2133         ifr = (struct ifreq *)data;
2134         error = copyin(ifr->ifr_data, &wreq, sizeof(wreq));
2135         if (error)
2136                 return (error);
2137
2138         switch (wreq.wi_type) {
2139         case WI_RID_READ_APS:
2140                 len = 0;
2141                 error = ndis_set_info(sc, OID_802_11_BSSID_LIST_SCAN,
2142                     NULL, &len);
2143                 if (error == 0)
2144                         tsleep(&error, PPAUSE|PCATCH, "ssidscan", hz * 2);
2145                 len = 0;
2146                 error = ndis_get_info(sc, OID_802_11_BSSID_LIST, NULL, &len);
2147                 if (error != ENOSPC)
2148                         break;
2149                 bl = malloc(len, M_DEVBUF, M_WAITOK|M_ZERO);
2150                 error = ndis_get_info(sc, OID_802_11_BSSID_LIST, bl, &len);
2151                 if (error) {
2152                         free(bl, M_DEVBUF);
2153                         break;
2154                 }
2155                 maxaps = (2 * wreq.wi_len - sizeof(int)) / sizeof(*api);
2156                 maxaps = MIN(maxaps, bl->nblx_items);
2157                 wreq.wi_len = (maxaps * sizeof(*api) + sizeof(int)) / 2;
2158                 *(int *)&wreq.wi_val = maxaps;
2159                 api = (struct wi_apinfo *)&((int *)&wreq.wi_val)[1];
2160                 wb = bl->nblx_bssid;
2161                 while (maxaps--) {
2162                         bzero(api, sizeof(*api));
2163                         bcopy(&wb->nwbx_macaddr, &api->bssid,
2164                             sizeof(api->bssid));
2165                         api->namelen = wb->nwbx_ssid.ns_ssidlen;
2166                         bcopy(&wb->nwbx_ssid.ns_ssid, &api->name, api->namelen);
2167                         if (wb->nwbx_privacy)
2168                                 api->capinfo |= IEEE80211_CAPINFO_PRIVACY;
2169                         /* XXX Where can we get noise information? */
2170                         api->signal = wb->nwbx_rssi + 149;      /* XXX */
2171                         api->quality = api->signal;
2172                         api->channel =
2173                             ieee80211_mhz2ieee(wb->nwbx_config.nc_dsconfig /
2174                             1000, 0);
2175                         /* In "auto" infrastructure mode, this is useless. */
2176                         if (wb->nwbx_netinfra == NDIS_80211_NET_INFRA_IBSS)
2177                                 api->capinfo |= IEEE80211_CAPINFO_IBSS;
2178                         if (wb->nwbx_len > sizeof(ndis_wlan_bssid)) {
2179                                 j = sizeof(ndis_80211_rates_ex);
2180                                 /* handle other extended things */
2181                         } else
2182                                 j = sizeof(ndis_80211_rates);
2183                         for (i = api->rate = 0; i < j; i++)
2184                                 api->rate = MAX(api->rate, 5 *
2185                                     (wb->nwbx_supportedrates[i] & 0x7f));
2186                         api++;
2187                         wb = (ndis_wlan_bssid_ex *)((char *)wb + wb->nwbx_len);
2188                 }
2189                 free(bl, M_DEVBUF);
2190                 error = copyout(&wreq, ifr->ifr_data, sizeof(wreq));
2191                 break;
2192         default:
2193                 error = ENOTTY;
2194                 break;
2195         }
2196         return (error);
2197 }
2198
2199 static int
2200 ndis_wi_ioctl_set(ifp, command, data)
2201         struct ifnet            *ifp;
2202         u_long                  command;
2203         caddr_t                 data;
2204 {
2205         struct wi_req           wreq;
2206         struct ifreq            *ifr;
2207         struct ndis_softc       *sc;
2208         uint32_t                foo;
2209         int                     error, len;
2210
2211         error = suser(curthread);
2212         if (error)
2213                 return (error);
2214
2215         sc = ifp->if_softc;
2216         ifr = (struct ifreq *)data;
2217         error = copyin(ifr->ifr_data, &wreq, sizeof(wreq));
2218         if (error)
2219                 return (error);
2220
2221         switch (wreq.wi_type) {
2222         case WI_RID_SCAN_APS:
2223         case WI_RID_SCAN_REQ:                   /* arguments ignored */
2224                 len = sizeof(foo);
2225                 foo = 0;
2226                 error = ndis_set_info(sc, OID_802_11_BSSID_LIST_SCAN, &foo,
2227                     &len);
2228                 break;
2229         default:
2230                 error = ENOTTY;
2231                 break;
2232         }
2233         return (error);
2234 }
2235
2236 static int
2237 ndis_80211_ioctl_get(struct ifnet *ifp, u_long command, caddr_t data)
2238 {
2239         struct ndis_softc               *sc;
2240         struct ieee80211req             *ireq;
2241         ndis_80211_bssid_list_ex        *bl;
2242         ndis_wlan_bssid_ex              *wb;
2243         struct ieee80211req_scan_result *sr, *bsr;
2244         int                             error, len, i, j;
2245         char                            *cp;
2246
2247         sc = ifp->if_softc;
2248         ireq = (struct ieee80211req *) data;
2249
2250         switch (ireq->i_type) {
2251         case IEEE80211_IOC_SCAN_RESULTS:
2252                 len = 0;
2253                 error = ndis_get_info(sc, OID_802_11_BSSID_LIST, NULL, &len);
2254                 if (error != ENOSPC)
2255                         break;
2256                 bl = malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
2257                 error = ndis_get_info(sc, OID_802_11_BSSID_LIST, bl, &len);
2258                 if (error) {
2259                         free(bl, M_DEVBUF);
2260                         break;
2261                 }
2262                 sr = bsr = malloc(ireq->i_len, M_DEVBUF, M_WAITOK | M_ZERO);
2263                 wb = bl->nblx_bssid;
2264                 len = 0;
2265                 for (i = 0; i < bl->nblx_items; i++) {
2266                         /*
2267                          * Check if we have enough space left for this ap
2268                          */
2269                         j = roundup(sizeof(*sr) + wb->nwbx_ssid.ns_ssidlen
2270                             + wb->nwbx_ielen - sizeof(struct ndis_80211_fixed_ies),
2271                             sizeof(uint32_t));
2272                         if (len + j > ireq->i_len)
2273                                 break;
2274                         bcopy(&wb->nwbx_macaddr, &sr->isr_bssid, sizeof(sr->isr_bssid));
2275                         if (wb->nwbx_privacy)
2276                                 sr->isr_capinfo |= IEEE80211_CAPINFO_PRIVACY;
2277                         sr->isr_rssi = wb->nwbx_rssi + 200;
2278                         sr->isr_freq = wb->nwbx_config.nc_dsconfig / 1000;
2279                         sr->isr_intval = wb->nwbx_config.nc_beaconperiod;
2280                         switch (wb->nwbx_netinfra) {
2281                         case NDIS_80211_NET_INFRA_IBSS:
2282                                 sr->isr_capinfo |= IEEE80211_CAPINFO_IBSS;
2283                                 break;
2284                         case NDIS_80211_NET_INFRA_BSS:
2285                                 sr->isr_capinfo |= IEEE80211_CAPINFO_ESS;
2286                                 break;
2287                         }
2288                         for (j = 0; j < sizeof(sr->isr_rates); j++) {
2289                                 /* XXX - check units */
2290                                 if (wb->nwbx_supportedrates[j] == 0)
2291                                         break;
2292                                 sr->isr_rates[j] = wb->nwbx_supportedrates[j] & 0x7f;
2293                         }
2294                         sr->isr_nrates = j;
2295                         sr->isr_ssid_len = wb->nwbx_ssid.ns_ssidlen;
2296                         cp = (char *)sr + sizeof(*sr);
2297                         bcopy(&wb->nwbx_ssid.ns_ssid, cp, sr->isr_ssid_len);
2298                         cp += sr->isr_ssid_len;
2299                         sr->isr_ie_len = wb->nwbx_ielen
2300                             - sizeof(struct ndis_80211_fixed_ies);
2301                         bcopy((char *)wb->nwbx_ies + sizeof(struct ndis_80211_fixed_ies),
2302                             cp, sr->isr_ie_len);
2303                         sr->isr_len = roundup(sizeof(*sr) + sr->isr_ssid_len
2304                             + sr->isr_ie_len, sizeof(uint32_t));
2305                         len += sr->isr_len;
2306                         sr = (struct ieee80211req_scan_result *)((char *)sr + sr->isr_len);
2307                         wb = (ndis_wlan_bssid_ex *)((char *)wb + wb->nwbx_len);
2308                 }
2309                 ireq->i_len = len;
2310                 error = copyout(bsr, ireq->i_data, len);
2311                 free(bl, M_DEVBUF);
2312                 free(bsr, M_DEVBUF);
2313                 break;
2314         default:
2315                 error = ieee80211_ioctl(&sc->ic, command, data);
2316         }
2317
2318         return(error);
2319 }
2320
2321 static int
2322 ndis_80211_ioctl_set(struct ifnet *ifp, u_long command, caddr_t data)
2323 {
2324         struct ndis_softc       *sc;
2325         struct ieee80211req     *ireq;
2326         int                     error, len;
2327
2328         sc = ifp->if_softc;
2329         ireq = (struct ieee80211req *) data;
2330
2331         switch (ireq->i_type) {
2332         case IEEE80211_IOC_SCAN_REQ:
2333                 len = 0;
2334                 error = ndis_set_info(sc, OID_802_11_BSSID_LIST_SCAN, NULL, &len);
2335                 tsleep(&error, PPAUSE|PCATCH, "ssidscan", hz * 2);
2336                 rt_ieee80211msg(ifp, RTM_IEEE80211_SCAN, NULL, 0);
2337                 break;
2338         default:
2339                 error = ieee80211_ioctl(&sc->ic, command, data);
2340                 if (error == ENETRESET) {
2341                         ndis_setstate_80211(sc);
2342                         error = 0;
2343                 }
2344         }
2345
2346         return(error);
2347 }
2348
2349 static void
2350 ndis_watchdog(ifp)
2351         struct ifnet            *ifp;
2352 {
2353         struct ndis_softc               *sc;
2354
2355         sc = ifp->if_softc;
2356
2357         NDIS_LOCK(sc);
2358         ifp->if_oerrors++;
2359         device_printf(sc->ndis_dev, "watchdog timeout\n");
2360         NDIS_UNLOCK(sc);
2361
2362         ndis_sched((void(*)(void *))ndis_reset_nic, sc, NDIS_TASKQUEUE);
2363         ndis_sched(ndis_starttask, ifp, NDIS_TASKQUEUE);
2364
2365         return;
2366 }
2367
2368 /*
2369  * Stop the adapter and free any mbufs allocated to the
2370  * RX and TX lists.
2371  */
2372 static void
2373 ndis_stop(sc)
2374         struct ndis_softc               *sc;
2375 {
2376         struct ifnet            *ifp;
2377
2378         ifp = &sc->arpcom.ac_if;
2379         untimeout(ndis_tick, sc, sc->ndis_stat_ch);
2380
2381         ndis_halt_nic(sc);
2382
2383         NDIS_LOCK(sc);
2384         ifp->if_timer = 0;
2385         sc->ndis_link = 0;
2386         ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
2387         NDIS_UNLOCK(sc);
2388
2389         return;
2390 }
2391
2392 /*
2393  * Stop all chip I/O so that the kernel's probe routines don't
2394  * get confused by errant DMAs when rebooting.
2395  */
2396 void
2397 ndis_shutdown(dev)
2398         device_t                dev;
2399 {
2400         struct ndis_softc               *sc;
2401
2402         sc = device_get_softc(dev);
2403         ndis_shutdown_nic(sc);
2404
2405         return;
2406 }