drivers/staging/brcm80211/brcmfmac/dhd_common.c

   1 /*
   2  * Copyright (c) 2010 Broadcom Corporation
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  11  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  13  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16 #include <linux/kernel.h>
  17 #include <linux/string.h>
  18 #include <bcmdefs.h>
  19 #include <linux/netdevice.h>
  20 #include <bcmutils.h>
  21 #include <dngl_stats.h>
  22 #include <dhd.h>
  23 #include <dhd_bus.h>
  24 #include <dhd_proto.h>
  25 #include <dhd_dbg.h>
  26 #include <msgtrace.h>
  27 #include <wlioctl.h>
  28
  29 int dhd_msg_level;
  30 char fw_path[MOD_PARAM_PATHLEN];
  31 char nv_path[MOD_PARAM_PATHLEN];
  32
  33 /* Last connection success/failure status */
  34 u32 dhd_conn_event;
  35 u32 dhd_conn_status;
  36 u32 dhd_conn_reason;
  37
  38 extern int dhdcdc_set_ioctl(dhd_pub_t *dhd, int ifidx, uint cmd, void *buf,
  39                             uint len);
  40 extern void dhd_ind_scan_confirm(void *h, bool status);
  41 extern int dhd_wl_ioctl(dhd_pub_t *dhd, uint cmd, char *buf, uint buflen);
  42 void dhd_iscan_lock(void);
  43 void dhd_iscan_unlock(void);
  44
  45 /* Packet alignment for most efficient SDIO (can change based on platform) */
  46 #ifndef DHD_SDALIGN
  47 #define DHD_SDALIGN     32
  48 #endif
  49 #if !ISPOWEROF2(DHD_SDALIGN)
  50 #error DHD_SDALIGN is not a power of 2!
  51 #endif
  52
  53 #define EPI_VERSION_STR         "4.218.248.5"
  54 #ifdef DHD_DEBUG
  55 const char dhd_version[] =
  56 "Dongle Host Driver, version " EPI_VERSION_STR "\nCompiled on " __DATE__
  57 " at " __TIME__;
  58 #else
  59 const char dhd_version[] = "Dongle Host Driver, version " EPI_VERSION_STR;
  60 #endif
  61
  62 void dhd_set_timer(void *bus, uint wdtick);
  63
  64 /* IOVar table */
  65 enum {
  66         IOV_VERSION = 1,
  67         IOV_MSGLEVEL,
  68         IOV_BCMERRORSTR,
  69         IOV_BCMERROR,
  70         IOV_WDTICK,
  71         IOV_DUMP,
  72 #ifdef DHD_DEBUG
  73         IOV_CONS,
  74         IOV_DCONSOLE_POLL,
  75 #endif
  76         IOV_CLEARCOUNTS,
  77         IOV_LOGDUMP,
  78         IOV_LOGCAL,
  79         IOV_LOGSTAMP,
  80         IOV_GPIOOB,
  81         IOV_IOCTLTIMEOUT,
  82         IOV_LAST
  83 };
  84
  85 const bcm_iovar_t dhd_iovars[] = {
  86         {"version", IOV_VERSION, 0, IOVT_BUFFER, sizeof(dhd_version)}
  87         ,
  88 #ifdef DHD_DEBUG
  89         {"msglevel", IOV_MSGLEVEL, 0, IOVT_UINT32, 0}
  90         ,
  91 #endif                          /* DHD_DEBUG */
  92         {"bcmerrorstr", IOV_BCMERRORSTR, 0, IOVT_BUFFER, BCME_STRLEN}
  93         ,
  94         {"bcmerror", IOV_BCMERROR, 0, IOVT_INT8, 0}
  95         ,
  96         {"wdtick", IOV_WDTICK, 0, IOVT_UINT32, 0}
  97         ,
  98         {"dump", IOV_DUMP, 0, IOVT_BUFFER, DHD_IOCTL_MAXLEN}
  99         ,
 100 #ifdef DHD_DEBUG
 101         {"dconpoll", IOV_DCONSOLE_POLL, 0, IOVT_UINT32, 0}
 102         ,
 103         {"cons", IOV_CONS, 0, IOVT_BUFFER, 0}
 104         ,
 105 #endif
 106         {"clearcounts", IOV_CLEARCOUNTS, 0, IOVT_VOID, 0}
 107         ,
 108         {"gpioob", IOV_GPIOOB, 0, IOVT_UINT32, 0}
 109         ,
 110         {"ioctl_timeout", IOV_IOCTLTIMEOUT, 0, IOVT_UINT32, 0}
 111         ,
 112         {NULL, 0, 0, 0, 0}
 113 };
 114
 115 void dhd_common_init(void)
 116 {
 117         /* Init global variables at run-time, not as part of the declaration.
 118          * This is required to support init/de-init of the driver.
 119          * Initialization
 120          * of globals as part of the declaration results in non-deterministic
 121          * behaviour since the value of the globals may be different on the
 122          * first time that the driver is initialized vs subsequent
 123          * initializations.
 124          */
 125         dhd_msg_level = DHD_ERROR_VAL;
 126 #ifdef CONFIG_BCM4329_FW_PATH
 127         strncpy(fw_path, CONFIG_BCM4329_FW_PATH, MOD_PARAM_PATHLEN - 1);
 128 #else
 129         fw_path[0] = '\0';
 130 #endif
 131 #ifdef CONFIG_BCM4329_NVRAM_PATH
 132         strncpy(nv_path, CONFIG_BCM4329_NVRAM_PATH, MOD_PARAM_PATHLEN - 1);
 133 #else
 134         nv_path[0] = '\0';
 135 #endif
 136 }
 137
 138 static int dhd_dump(dhd_pub_t *dhdp, char *buf, int buflen)
 139 {
 140         struct bcmstrbuf b;
 141         struct bcmstrbuf *strbuf = &b;
 142
 143         bcm_binit(strbuf, buf, buflen);
 144
 145         /* Base DHD info */
 146         bcm_bprintf(strbuf, "%s\n", dhd_version);
 147         bcm_bprintf(strbuf, "\n");
 148         bcm_bprintf(strbuf, "pub.up %d pub.txoff %d pub.busstate %d\n",
 149                     dhdp->up, dhdp->txoff, dhdp->busstate);
 150         bcm_bprintf(strbuf, "pub.hdrlen %d pub.maxctl %d pub.rxsz %d\n",
 151                     dhdp->hdrlen, dhdp->maxctl, dhdp->rxsz);
 152         bcm_bprintf(strbuf, "pub.iswl %d pub.drv_version %ld pub.mac %pM\n",
 153                     dhdp->iswl, dhdp->drv_version, &dhdp->mac);
 154         bcm_bprintf(strbuf, "pub.bcmerror %d tickcnt %d\n", dhdp->bcmerror,
 155                     dhdp->tickcnt);
 156
 157         bcm_bprintf(strbuf, "dongle stats:\n");
 158         bcm_bprintf(strbuf,
 159                     "tx_packets %ld tx_bytes %ld tx_errors %ld tx_dropped %ld\n",
 160                     dhdp->dstats.tx_packets, dhdp->dstats.tx_bytes,
 161                     dhdp->dstats.tx_errors, dhdp->dstats.tx_dropped);
 162         bcm_bprintf(strbuf,
 163                     "rx_packets %ld rx_bytes %ld rx_errors %ld rx_dropped %ld\n",
 164                     dhdp->dstats.rx_packets, dhdp->dstats.rx_bytes,
 165                     dhdp->dstats.rx_errors, dhdp->dstats.rx_dropped);
 166         bcm_bprintf(strbuf, "multicast %ld\n", dhdp->dstats.multicast);
 167
 168         bcm_bprintf(strbuf, "bus stats:\n");
 169         bcm_bprintf(strbuf, "tx_packets %ld tx_multicast %ld tx_errors %ld\n",
 170                     dhdp->tx_packets, dhdp->tx_multicast, dhdp->tx_errors);
 171         bcm_bprintf(strbuf, "tx_ctlpkts %ld tx_ctlerrs %ld\n",
 172                     dhdp->tx_ctlpkts, dhdp->tx_ctlerrs);
 173         bcm_bprintf(strbuf, "rx_packets %ld rx_multicast %ld rx_errors %ld\n",
 174                     dhdp->rx_packets, dhdp->rx_multicast, dhdp->rx_errors);
 175         bcm_bprintf(strbuf,
 176                     "rx_ctlpkts %ld rx_ctlerrs %ld rx_dropped %ld rx_flushed %ld\n",
 177                     dhdp->rx_ctlpkts, dhdp->rx_ctlerrs, dhdp->rx_dropped,
 178                     dhdp->rx_flushed);
 179         bcm_bprintf(strbuf,
 180                     "rx_readahead_cnt %ld tx_realloc %ld fc_packets %ld\n",
 181                     dhdp->rx_readahead_cnt, dhdp->tx_realloc, dhdp->fc_packets);
 182         bcm_bprintf(strbuf, "wd_dpc_sched %ld\n", dhdp->wd_dpc_sched);
 183         bcm_bprintf(strbuf, "\n");
 184
 185         /* Add any prot info */
 186         dhd_prot_dump(dhdp, strbuf);
 187         bcm_bprintf(strbuf, "\n");
 188
 189         /* Add any bus info */
 190         dhd_bus_dump(dhdp, strbuf);
 191
 192         return !strbuf->size ? BCME_BUFTOOSHORT : 0;
 193 }
 194
 195 static int
 196 dhd_doiovar(dhd_pub_t *dhd_pub, const bcm_iovar_t *vi, u32 actionid,
 197             const char *name, void *params, int plen, void *arg, int len,
 198             int val_size)
 199 {
 200         int bcmerror = 0;
 201         s32 int_val = 0;
 202
 203         DHD_TRACE(("%s: Enter\n", __func__));
 204
 205         bcmerror = bcm_iovar_lencheck(vi, arg, len, IOV_ISSET(actionid));
 206         if (bcmerror != 0)
 207                 goto exit;
 208
 209         if (plen >= (int)sizeof(int_val))
 210                 memcpy(&int_val, params, sizeof(int_val));
 211
 212         switch (actionid) {
 213         case IOV_GVAL(IOV_VERSION):
 214                 /* Need to have checked buffer length */
 215                 strncpy((char *)arg, dhd_version, len);
 216                 break;
 217
 218         case IOV_GVAL(IOV_MSGLEVEL):
 219                 int_val = (s32) dhd_msg_level;
 220                 memcpy(arg, &int_val, val_size);
 221                 break;
 222
 223         case IOV_SVAL(IOV_MSGLEVEL):
 224                 dhd_msg_level = int_val;
 225                 break;
 226
 227         case IOV_GVAL(IOV_BCMERRORSTR):
 228                 strncpy((char *)arg, bcmerrorstr(dhd_pub->bcmerror),
 229                         BCME_STRLEN);
 230                 ((char *)arg)[BCME_STRLEN - 1] = 0x00;
 231                 break;
 232
 233         case IOV_GVAL(IOV_BCMERROR):
 234                 int_val = (s32) dhd_pub->bcmerror;
 235                 memcpy(arg, &int_val, val_size);
 236                 break;
 237
 238         case IOV_GVAL(IOV_WDTICK):
 239                 int_val = (s32) dhd_watchdog_ms;
 240                 memcpy(arg, &int_val, val_size);
 241                 break;
 242
 243         case IOV_SVAL(IOV_WDTICK):
 244                 if (!dhd_pub->up) {
 245                         bcmerror = BCME_NOTUP;
 246                         break;
 247                 }
 248                 dhd_os_wd_timer(dhd_pub, (uint) int_val);
 249                 break;
 250
 251         case IOV_GVAL(IOV_DUMP):
 252                 bcmerror = dhd_dump(dhd_pub, arg, len);
 253                 break;
 254
 255 #ifdef DHD_DEBUG
 256         case IOV_GVAL(IOV_DCONSOLE_POLL):
 257                 int_val = (s32) dhd_console_ms;
 258                 memcpy(arg, &int_val, val_size);
 259                 break;
 260
 261         case IOV_SVAL(IOV_DCONSOLE_POLL):
 262                 dhd_console_ms = (uint) int_val;
 263                 break;
 264
 265         case IOV_SVAL(IOV_CONS):
 266                 if (len > 0)
 267                         bcmerror = dhd_bus_console_in(dhd_pub, arg, len - 1);
 268                 break;
 269 #endif
 270
 271         case IOV_SVAL(IOV_CLEARCOUNTS):
 272                 dhd_pub->tx_packets = dhd_pub->rx_packets = 0;
 273                 dhd_pub->tx_errors = dhd_pub->rx_errors = 0;
 274                 dhd_pub->tx_ctlpkts = dhd_pub->rx_ctlpkts = 0;
 275                 dhd_pub->tx_ctlerrs = dhd_pub->rx_ctlerrs = 0;
 276                 dhd_pub->rx_dropped = 0;
 277                 dhd_pub->rx_readahead_cnt = 0;
 278                 dhd_pub->tx_realloc = 0;
 279                 dhd_pub->wd_dpc_sched = 0;
 280                 memset(&dhd_pub->dstats, 0, sizeof(dhd_pub->dstats));
 281                 dhd_bus_clearcounts(dhd_pub);
 282                 break;
 283
 284         case IOV_GVAL(IOV_IOCTLTIMEOUT):{
 285                         int_val = (s32) dhd_os_get_ioctl_resp_timeout();
 286                         memcpy(arg, &int_val, sizeof(int_val));
 287                         break;
 288                 }
 289
 290         case IOV_SVAL(IOV_IOCTLTIMEOUT):{
 291                         if (int_val <= 0)
 292                                 bcmerror = BCME_BADARG;
 293                         else
 294                                 dhd_os_set_ioctl_resp_timeout((unsigned int)
 295                                                               int_val);
 296                         break;
 297                 }
 298
 299         default:
 300                 bcmerror = BCME_UNSUPPORTED;
 301                 break;
 302         }
 303
 304 exit:
 305         return bcmerror;
 306 }
 307
 308 bool dhd_prec_enq(dhd_pub_t *dhdp, struct pktq *q, struct sk_buff *pkt,
 309                   int prec)
 310 {
 311         struct sk_buff *p;
 312         int eprec = -1;         /* precedence to evict from */
 313         bool discard_oldest;
 314
 315         /* Fast case, precedence queue is not full and we are also not
 316          * exceeding total queue length
 317          */
 318         if (!pktq_pfull(q, prec) && !pktq_full(q)) {
 319                 pktq_penq(q, prec, pkt);
 320                 return true;
 321         }
 322
 323         /* Determine precedence from which to evict packet, if any */
 324         if (pktq_pfull(q, prec))
 325                 eprec = prec;
 326         else if (pktq_full(q)) {
 327                 p = pktq_peek_tail(q, &eprec);
 328                 ASSERT(p);
 329                 if (eprec > prec)
 330                         return false;
 331         }
 332
 333         /* Evict if needed */
 334         if (eprec >= 0) {
 335                 /* Detect queueing to unconfigured precedence */
 336                 ASSERT(!pktq_pempty(q, eprec));
 337                 discard_oldest = AC_BITMAP_TST(dhdp->wme_dp, eprec);
 338                 if (eprec == prec && !discard_oldest)
 339                         return false;   /* refuse newer (incoming) packet */
 340                 /* Evict packet according to discard policy */
 341                 p = discard_oldest ? pktq_pdeq(q, eprec) : pktq_pdeq_tail(q,
 342                                                   eprec);
 343                 if (p == NULL) {
 344                         DHD_ERROR(("%s: pktq_penq() failed, oldest %d.",
 345                                    __func__, discard_oldest));
 346                         ASSERT(p);
 347                 }
 348
 349                 pkt_buf_free_skb(p);
 350         }
 351
 352         /* Enqueue */
 353         p = pktq_penq(q, prec, pkt);
 354         if (p == NULL) {
 355                 DHD_ERROR(("%s: pktq_penq() failed.", __func__));
 356                 ASSERT(p);
 357         }
 358
 359         return true;
 360 }
 361
 362 static int
 363 dhd_iovar_op(dhd_pub_t *dhd_pub, const char *name,
 364              void *params, int plen, void *arg, int len, bool set)
 365 {
 366         int bcmerror = 0;
 367         int val_size;
 368         const bcm_iovar_t *vi = NULL;
 369         u32 actionid;
 370
 371         DHD_TRACE(("%s: Enter\n", __func__));
 372
 373         ASSERT(name);
 374         ASSERT(len >= 0);
 375
 376         /* Get MUST have return space */
 377         ASSERT(set || (arg && len));
 378
 379         /* Set does NOT take qualifiers */
 380         ASSERT(!set || (!params && !plen));
 381
 382         vi = bcm_iovar_lookup(dhd_iovars, name);
 383         if (vi == NULL) {
 384                 bcmerror = BCME_UNSUPPORTED;
 385                 goto exit;
 386         }
 387
 388         DHD_CTL(("%s: %s %s, len %d plen %d\n", __func__,
 389                  name, (set ? "set" : "get"), len, plen));
 390
 391         /* set up 'params' pointer in case this is a set command so that
 392          * the convenience int and bool code can be common to set and get
 393          */
 394         if (params == NULL) {
 395                 params = arg;
 396                 plen = len;
 397         }
 398
 399         if (vi->type == IOVT_VOID)
 400                 val_size = 0;
 401         else if (vi->type == IOVT_BUFFER)
 402                 val_size = len;
 403         else
 404                 /* all other types are integer sized */
 405                 val_size = sizeof(int);
 406
 407         actionid = set ? IOV_SVAL(vi->varid) : IOV_GVAL(vi->varid);
 408         bcmerror =
 409             dhd_doiovar(dhd_pub, vi, actionid, name, params, plen, arg, len,
 410                         val_size);
 411
 412 exit:
 413         return bcmerror;
 414 }
 415
 416 int dhd_ioctl(dhd_pub_t *dhd_pub, dhd_ioctl_t *ioc, void *buf, uint buflen)
 417 {
 418         int bcmerror = 0;
 419
 420         DHD_TRACE(("%s: Enter\n", __func__));
 421
 422         if (!buf)
 423                 return BCME_BADARG;
 424
 425         switch (ioc->cmd) {
 426         case DHD_GET_MAGIC:
 427                 if (buflen < sizeof(int))
 428                         bcmerror = BCME_BUFTOOSHORT;
 429                 else
 430                         *(int *)buf = DHD_IOCTL_MAGIC;
 431                 break;
 432
 433         case DHD_GET_VERSION:
 434                 if (buflen < sizeof(int))
 435                         bcmerror = -BCME_BUFTOOSHORT;
 436                 else
 437                         *(int *)buf = DHD_IOCTL_VERSION;
 438                 break;
 439
 440         case DHD_GET_VAR:
 441         case DHD_SET_VAR:{
 442                         char *arg;
 443                         uint arglen;
 444
 445                         /* scan past the name to any arguments */
 446                         for (arg = buf, arglen = buflen; *arg && arglen;
 447                              arg++, arglen--)
 448                                 ;
 449
 450                         if (*arg) {
 451                                 bcmerror = BCME_BUFTOOSHORT;
 452                                 break;
 453                         }
 454
 455                         /* account for the NUL terminator */
 456                         arg++, arglen--;
 457
 458                         /* call with the appropriate arguments */
 459                         if (ioc->cmd == DHD_GET_VAR)
 460                                 bcmerror =
 461                                     dhd_iovar_op(dhd_pub, buf, arg, arglen, buf,
 462                                                  buflen, IOV_GET);
 463                         else
 464                                 bcmerror =
 465                                     dhd_iovar_op(dhd_pub, buf, NULL, 0, arg,
 466                                                  arglen, IOV_SET);
 467                         if (bcmerror != BCME_UNSUPPORTED)
 468                                 break;
 469
 470                         /* not in generic table, try protocol module */
 471                         if (ioc->cmd == DHD_GET_VAR)
 472                                 bcmerror = dhd_prot_iovar_op(dhd_pub, buf, arg,
 473                                                              arglen, buf,
 474                                                              buflen, IOV_GET);
 475                         else
 476                                 bcmerror = dhd_prot_iovar_op(dhd_pub, buf,
 477                                                              NULL, 0, arg,
 478                                                              arglen, IOV_SET);
 479                         if (bcmerror != BCME_UNSUPPORTED)
 480                                 break;
 481
 482                         /* if still not found, try bus module */
 483                         if (ioc->cmd == DHD_GET_VAR)
 484                                 bcmerror = dhd_bus_iovar_op(dhd_pub, buf,
 485                                                             arg, arglen, buf,
 486                                                             buflen, IOV_GET);
 487                         else
 488                                 bcmerror = dhd_bus_iovar_op(dhd_pub, buf,
 489                                                             NULL, 0, arg,
 490                                                             arglen, IOV_SET);
 491
 492                         break;
 493                 }
 494
 495         default:
 496                 bcmerror = BCME_UNSUPPORTED;
 497         }
 498
 499         return bcmerror;
 500 }
 501
 502 #ifdef SHOW_EVENTS
 503 static void wl_show_host_event(wl_event_msg_t *event, void *event_data)
 504 {
 505         uint i, status, reason;
 506         bool group = false, flush_txq = false, link = false;
 507         char *auth_str, *event_name;
 508         unsigned char *buf;
 509         char err_msg[256], eabuf[ETHER_ADDR_STR_LEN];
 510         static struct {
 511                 uint event;
 512                 char *event_name;
 513         } event_names[] = {
 514                 {
 515                 WLC_E_SET_SSID, "SET_SSID"}, {
 516                 WLC_E_JOIN, "JOIN"}, {
 517                 WLC_E_START, "START"}, {
 518                 WLC_E_AUTH, "AUTH"}, {
 519                 WLC_E_AUTH_IND, "AUTH_IND"}, {
 520                 WLC_E_DEAUTH, "DEAUTH"}, {
 521                 WLC_E_DEAUTH_IND, "DEAUTH_IND"}, {
 522                 WLC_E_ASSOC, "ASSOC"}, {
 523                 WLC_E_ASSOC_IND, "ASSOC_IND"}, {
 524                 WLC_E_REASSOC, "REASSOC"}, {
 525                 WLC_E_REASSOC_IND, "REASSOC_IND"}, {
 526                 WLC_E_DISASSOC, "DISASSOC"}, {
 527                 WLC_E_DISASSOC_IND, "DISASSOC_IND"}, {
 528                 WLC_E_QUIET_START, "START_QUIET"}, {
 529                 WLC_E_QUIET_END, "END_QUIET"}, {
 530                 WLC_E_BEACON_RX, "BEACON_RX"}, {
 531                 WLC_E_LINK, "LINK"}, {
 532                 WLC_E_MIC_ERROR, "MIC_ERROR"}, {
 533                 WLC_E_NDIS_LINK, "NDIS_LINK"}, {
 534                 WLC_E_ROAM, "ROAM"}, {
 535                 WLC_E_TXFAIL, "TXFAIL"}, {
 536                 WLC_E_PMKID_CACHE, "PMKID_CACHE"}, {
 537                 WLC_E_RETROGRADE_TSF, "RETROGRADE_TSF"}, {
 538                 WLC_E_PRUNE, "PRUNE"}, {
 539                 WLC_E_AUTOAUTH, "AUTOAUTH"}, {
 540                 WLC_E_EAPOL_MSG, "EAPOL_MSG"}, {
 541                 WLC_E_SCAN_COMPLETE, "SCAN_COMPLETE"}, {
 542                 WLC_E_ADDTS_IND, "ADDTS_IND"}, {
 543                 WLC_E_DELTS_IND, "DELTS_IND"}, {
 544                 WLC_E_BCNSENT_IND, "BCNSENT_IND"}, {
 545                 WLC_E_BCNRX_MSG, "BCNRX_MSG"}, {
 546                 WLC_E_BCNLOST_MSG, "BCNLOST_MSG"}, {
 547                 WLC_E_ROAM_PREP, "ROAM_PREP"}, {
 548                 WLC_E_PFN_NET_FOUND, "PNO_NET_FOUND"}, {
 549                 WLC_E_PFN_NET_LOST, "PNO_NET_LOST"}, {
 550                 WLC_E_RESET_COMPLETE, "RESET_COMPLETE"}, {
 551                 WLC_E_JOIN_START, "JOIN_START"}, {
 552                 WLC_E_ROAM_START, "ROAM_START"}, {
 553                 WLC_E_ASSOC_START, "ASSOC_START"}, {
 554                 WLC_E_IBSS_ASSOC, "IBSS_ASSOC"}, {
 555                 WLC_E_RADIO, "RADIO"}, {
 556                 WLC_E_PSM_WATCHDOG, "PSM_WATCHDOG"}, {
 557                 WLC_E_PROBREQ_MSG, "PROBREQ_MSG"}, {
 558                 WLC_E_SCAN_CONFIRM_IND, "SCAN_CONFIRM_IND"}, {
 559                 WLC_E_PSK_SUP, "PSK_SUP"}, {
 560                 WLC_E_COUNTRY_CODE_CHANGED, "COUNTRY_CODE_CHANGED"}, {
 561                 WLC_E_EXCEEDED_MEDIUM_TIME, "EXCEEDED_MEDIUM_TIME"}, {
 562                 WLC_E_ICV_ERROR, "ICV_ERROR"}, {
 563                 WLC_E_UNICAST_DECODE_ERROR, "UNICAST_DECODE_ERROR"}, {
 564                 WLC_E_MULTICAST_DECODE_ERROR, "MULTICAST_DECODE_ERROR"}, {
 565                 WLC_E_TRACE, "TRACE"}, {
 566                 WLC_E_ACTION_FRAME, "ACTION FRAME"}, {
 567                 WLC_E_ACTION_FRAME_COMPLETE, "ACTION FRAME TX COMPLETE"}, {
 568                 WLC_E_IF, "IF"}, {
 569                 WLC_E_RSSI, "RSSI"}, {
 570                 WLC_E_PFN_SCAN_COMPLETE, "SCAN_COMPLETE"}
 571         };
 572         uint event_type, flags, auth_type, datalen;
 573         event_type = be32_to_cpu(event->event_type);
 574         flags = be16_to_cpu(event->flags);
 575         status = be32_to_cpu(event->status);
 576         reason = be32_to_cpu(event->reason);
 577         auth_type = be32_to_cpu(event->auth_type);
 578         datalen = be32_to_cpu(event->datalen);
 579         /* debug dump of event messages */
 580         sprintf(eabuf, "%pM", event->addr);
 581
 582         event_name = "UNKNOWN";
 583         for (i = 0; i < ARRAY_SIZE(event_names); i++) {
 584                 if (event_names[i].event == event_type)
 585                         event_name = event_names[i].event_name;
 586         }
 587
 588         DHD_EVENT(("EVENT: %s, event ID = %d\n", event_name, event_type));
 589
 590         if (flags & WLC_EVENT_MSG_LINK)
 591                 link = true;
 592         if (flags & WLC_EVENT_MSG_GROUP)
 593                 group = true;
 594         if (flags & WLC_EVENT_MSG_FLUSHTXQ)
 595                 flush_txq = true;
 596
 597         switch (event_type) {
 598         case WLC_E_START:
 599         case WLC_E_DEAUTH:
 600         case WLC_E_DISASSOC:
 601                 DHD_EVENT(("MACEVENT: %s, MAC %s\n", event_name, eabuf));
 602                 break;
 603
 604         case WLC_E_ASSOC_IND:
 605         case WLC_E_REASSOC_IND:
 606                 DHD_EVENT(("MACEVENT: %s, MAC %s\n", event_name, eabuf));
 607                 break;
 608
 609         case WLC_E_ASSOC:
 610         case WLC_E_REASSOC:
 611                 if (status == WLC_E_STATUS_SUCCESS) {
 612                         DHD_EVENT(("MACEVENT: %s, MAC %s, SUCCESS\n",
 613                                    event_name, eabuf));
 614                 } else if (status == WLC_E_STATUS_TIMEOUT) {
 615                         DHD_EVENT(("MACEVENT: %s, MAC %s, TIMEOUT\n",
 616                                    event_name, eabuf));
 617                 } else if (status == WLC_E_STATUS_FAIL) {
 618                         DHD_EVENT(("MACEVENT: %s, MAC %s, FAILURE, reason %d\n",
 619                                    event_name, eabuf, (int)reason));
 620                 } else {
 621                         DHD_EVENT(("MACEVENT: %s, MAC %s, unexpected status "
 622                                 "%d\n", event_name, eabuf, (int)status));
 623                 }
 624                 break;
 625
 626         case WLC_E_DEAUTH_IND:
 627         case WLC_E_DISASSOC_IND:
 628                 DHD_EVENT(("MACEVENT: %s, MAC %s, reason %d\n", event_name,
 629                            eabuf, (int)reason));
 630                 break;
 631
 632         case WLC_E_AUTH:
 633         case WLC_E_AUTH_IND:
 634                 if (auth_type == WLAN_AUTH_OPEN)
 635                         auth_str = "Open System";
 636                 else if (auth_type == WLAN_AUTH_SHARED_KEY)
 637                         auth_str = "Shared Key";
 638                 else {
 639                         sprintf(err_msg, "AUTH unknown: %d", (int)auth_type);
 640                         auth_str = err_msg;
 641                 }
 642                 if (event_type == WLC_E_AUTH_IND) {
 643                         DHD_EVENT(("MACEVENT: %s, MAC %s, %s\n", event_name,
 644                                    eabuf, auth_str));
 645                 } else if (status == WLC_E_STATUS_SUCCESS) {
 646                         DHD_EVENT(("MACEVENT: %s, MAC %s, %s, SUCCESS\n",
 647                                    event_name, eabuf, auth_str));
 648                 } else if (status == WLC_E_STATUS_TIMEOUT) {
 649                         DHD_EVENT(("MACEVENT: %s, MAC %s, %s, TIMEOUT\n",
 650                                    event_name, eabuf, auth_str));
 651                 } else if (status == WLC_E_STATUS_FAIL) {
 652                         DHD_EVENT(("MACEVENT: %s, MAC %s, %s, FAILURE, "
 653                                 "reason %d\n",
 654                                 event_name, eabuf, auth_str, (int)reason));
 655                 }
 656
 657                 break;
 658
 659         case WLC_E_JOIN:
 660         case WLC_E_ROAM:
 661         case WLC_E_SET_SSID:
 662                 if (status == WLC_E_STATUS_SUCCESS) {
 663                         DHD_EVENT(("MACEVENT: %s, MAC %s\n", event_name,
 664                                    eabuf));
 665                 } else if (status == WLC_E_STATUS_FAIL) {
 666                         DHD_EVENT(("MACEVENT: %s, failed\n", event_name));
 667                 } else if (status == WLC_E_STATUS_NO_NETWORKS) {
 668                         DHD_EVENT(("MACEVENT: %s, no networks found\n",
 669                                    event_name));
 670                 } else {
 671                         DHD_EVENT(("MACEVENT: %s, unexpected status %d\n",
 672                                    event_name, (int)status));
 673                 }
 674                 break;
 675
 676         case WLC_E_BEACON_RX:
 677                 if (status == WLC_E_STATUS_SUCCESS) {
 678                         DHD_EVENT(("MACEVENT: %s, SUCCESS\n", event_name));
 679                 } else if (status == WLC_E_STATUS_FAIL) {
 680                         DHD_EVENT(("MACEVENT: %s, FAIL\n", event_name));
 681                 } else {
 682                         DHD_EVENT(("MACEVENT: %s, status %d\n", event_name,
 683                                    status));
 684                 }
 685                 break;
 686
 687         case WLC_E_LINK:
 688                 DHD_EVENT(("MACEVENT: %s %s\n", event_name,
 689                            link ? "UP" : "DOWN"));
 690                 break;
 691
 692         case WLC_E_MIC_ERROR:
 693                 DHD_EVENT(("MACEVENT: %s, MAC %s, Group %d, Flush %d\n",
 694                            event_name, eabuf, group, flush_txq));
 695                 break;
 696
 697         case WLC_E_ICV_ERROR:
 698         case WLC_E_UNICAST_DECODE_ERROR:
 699         case WLC_E_MULTICAST_DECODE_ERROR:
 700                 DHD_EVENT(("MACEVENT: %s, MAC %s\n", event_name, eabuf));
 701                 break;
 702
 703         case WLC_E_TXFAIL:
 704                 DHD_EVENT(("MACEVENT: %s, RA %s\n", event_name, eabuf));
 705                 break;
 706
 707         case WLC_E_SCAN_COMPLETE:
 708         case WLC_E_PMKID_CACHE:
 709                 DHD_EVENT(("MACEVENT: %s\n", event_name));
 710                 break;
 711
 712         case WLC_E_PFN_NET_FOUND:
 713         case WLC_E_PFN_NET_LOST:
 714         case WLC_E_PFN_SCAN_COMPLETE:
 715                 DHD_EVENT(("PNOEVENT: %s\n", event_name));
 716                 break;
 717
 718         case WLC_E_PSK_SUP:
 719         case WLC_E_PRUNE:
 720                 DHD_EVENT(("MACEVENT: %s, status %d, reason %d\n",
 721                            event_name, (int)status, (int)reason));
 722                 break;
 723
 724         case WLC_E_TRACE:
 725                 {
 726                         static u32 seqnum_prev;
 727                         msgtrace_hdr_t hdr;
 728                         u32 nblost;
 729                         char *s, *p;
 730
 731                         buf = (unsigned char *) event_data;
 732                         memcpy(&hdr, buf, MSGTRACE_HDRLEN);
 733
 734                         if (hdr.version != MSGTRACE_VERSION) {
 735                                 DHD_ERROR(
 736                                     ("\nMACEVENT: %s [unsupported version --> "
 737                                      "dhd version:%d dongle version:%d]\n",
 738                                      event_name, MSGTRACE_VERSION, hdr.version)
 739                                 );
 740                                 /* Reset datalen to avoid display below */
 741                                 datalen = 0;
 742                                 break;
 743                         }
 744
 745                         /* There are 2 bytes available at the end of data */
 746                         buf[MSGTRACE_HDRLEN + be16_to_cpu(hdr.len)] = '\0';
 747
 748                         if (be32_to_cpu(hdr.discarded_bytes)
 749                             || be32_to_cpu(hdr.discarded_printf)) {
 750                                 DHD_ERROR(
 751                                     ("\nWLC_E_TRACE: [Discarded traces in dongle -->"
 752                                      "discarded_bytes %d discarded_printf %d]\n",
 753                                      be32_to_cpu(hdr.discarded_bytes),
 754                                      be32_to_cpu(hdr.discarded_printf)));
 755                         }
 756
 757                         nblost = be32_to_cpu(hdr.seqnum) - seqnum_prev - 1;
 758                         if (nblost > 0) {
 759                                 DHD_ERROR(
 760                                     ("\nWLC_E_TRACE: [Event lost --> seqnum %d nblost %d\n",
 761                                      be32_to_cpu(hdr.seqnum), nblost));
 762                         }
 763                         seqnum_prev = be32_to_cpu(hdr.seqnum);
 764
 765                         /* Display the trace buffer. Advance from \n to \n to
 766                          * avoid display big
 767                          * printf (issue with Linux printk )
 768                          */
 769                         p = (char *)&buf[MSGTRACE_HDRLEN];
 770                         while ((s = strstr(p, "\n")) != NULL) {
 771                                 *s = '\0';
 772                                 printk(KERN_DEBUG"%s\n", p);
 773                                 p = s + 1;
 774                         }
 775                         printk(KERN_DEBUG "%s\n", p);
 776
 777                         /* Reset datalen to avoid display below */
 778                         datalen = 0;
 779                 }
 780                 break;
 781
 782         case WLC_E_RSSI:
 783                 DHD_EVENT(("MACEVENT: %s %d\n", event_name,
 784                            be32_to_cpu(*((int *)event_data))));
 785                 break;
 786
 787         default:
 788                 DHD_EVENT(("MACEVENT: %s %d, MAC %s, status %d, reason %d, "
 789                         "auth %d\n", event_name, event_type, eabuf,
 790                         (int)status, (int)reason, (int)auth_type));
 791                 break;
 792         }
 793
 794         /* show any appended data */
 795         if (datalen) {
 796                 buf = (unsigned char *) event_data;
 797                 DHD_EVENT((" data (%d) : ", datalen));
 798                 for (i = 0; i < datalen; i++)
 799                         DHD_EVENT((" 0x%02x ", *buf++));
 800                 DHD_EVENT(("\n"));
 801         }
 802 }
 803 #endif                          /* SHOW_EVENTS */
 804
 805 int
 806 wl_host_event(struct dhd_info *dhd, int *ifidx, void *pktdata,
 807               wl_event_msg_t *event, void **data_ptr)
 808 {
 809         /* check whether packet is a BRCM event pkt */
 810         bcm_event_t *pvt_data = (bcm_event_t *) pktdata;
 811         char *event_data;
 812         u32 type, status;
 813         u16 flags;
 814         int evlen;
 815
 816         if (memcmp(BRCM_OUI, &pvt_data->bcm_hdr.oui[0], DOT11_OUI_LEN)) {
 817                 DHD_ERROR(("%s: mismatched OUI, bailing\n", __func__));
 818                 return BCME_ERROR;
 819         }
 820
 821         /* BRCM event pkt may be unaligned - use xxx_ua to load user_subtype. */
 822         if (get_unaligned_be16(&pvt_data->bcm_hdr.usr_subtype) !=
 823             BCMILCP_BCM_SUBTYPE_EVENT) {
 824                 DHD_ERROR(("%s: mismatched subtype, bailing\n", __func__));
 825                 return BCME_ERROR;
 826         }
 827
 828         *data_ptr = &pvt_data[1];
 829         event_data = *data_ptr;
 830
 831         /* memcpy since BRCM event pkt may be unaligned. */
 832         memcpy(event, &pvt_data->event, sizeof(wl_event_msg_t));
 833
 834         type = get_unaligned_be32(&event->event_type);
 835         flags = get_unaligned_be16(&event->flags);
 836         status = get_unaligned_be32(&event->status);
 837         evlen = get_unaligned_be32(&event->datalen) + sizeof(bcm_event_t);
 838
 839         switch (type) {
 840         case WLC_E_IF:
 841                 {
 842                         dhd_if_event_t *ifevent = (dhd_if_event_t *) event_data;
 843                         DHD_TRACE(("%s: if event\n", __func__));
 844
 845                         if (ifevent->ifidx > 0 &&
 846                                  ifevent->ifidx < DHD_MAX_IFS) {
 847                                 if (ifevent->action == WLC_E_IF_ADD)
 848                                         dhd_add_if(dhd, ifevent->ifidx,
 849                                                    NULL, event->ifname,
 850                                                    pvt_data->eth.h_dest,
 851                                                    ifevent->flags,
 852                                                    ifevent->bssidx);
 853                                 else
 854                                         dhd_del_if(dhd, ifevent->ifidx);
 855                         } else {
 856                                 DHD_ERROR(("%s: Invalid ifidx %d for %s\n",
 857                                            __func__, ifevent->ifidx,
 858                                            event->ifname));
 859                         }
 860                 }
 861                 /* send up the if event: btamp user needs it */
 862                 *ifidx = dhd_ifname2idx(dhd, event->ifname);
 863                 /* push up to external supp/auth */
 864                 dhd_event(dhd, (char *)pvt_data, evlen, *ifidx);
 865                 break;
 866
 867 #ifdef P2P
 868         case WLC_E_NDIS_LINK:
 869                 break;
 870 #endif
 871                 /* fall through */
 872                 /* These are what external supplicant/authenticator wants */
 873         case WLC_E_LINK:
 874         case WLC_E_ASSOC_IND:
 875         case WLC_E_REASSOC_IND:
 876         case WLC_E_DISASSOC_IND:
 877         case WLC_E_MIC_ERROR:
 878         default:
 879                 /* Fall through: this should get _everything_  */
 880
 881                 *ifidx = dhd_ifname2idx(dhd, event->ifname);
 882                 /* push up to external supp/auth */
 883                 dhd_event(dhd, (char *)pvt_data, evlen, *ifidx);
 884                 DHD_TRACE(("%s: MAC event %d, flags %x, status %x\n",
 885                            __func__, type, flags, status));
 886
 887                 /* put it back to WLC_E_NDIS_LINK */
 888                 if (type == WLC_E_NDIS_LINK) {
 889                         u32 temp;
 890
 891                         temp = get_unaligned_be32(&event->event_type);
 892                         DHD_TRACE(("Converted to WLC_E_LINK type %d\n", temp));
 893
 894                         temp = be32_to_cpu(WLC_E_NDIS_LINK);
 895                         memcpy((void *)(&pvt_data->event.event_type), &temp,
 896                                sizeof(pvt_data->event.event_type));
 897                 }
 898                 break;
 899         }
 900
 901 #ifdef SHOW_EVENTS
 902         wl_show_host_event(event, event_data);
 903 #endif                          /* SHOW_EVENTS */
 904
 905         return BCME_OK;
 906 }
 907
 908 /* Convert user's input in hex pattern to byte-size mask */
 909 static int wl_pattern_atoh(char *src, char *dst)
 910 {
 911         int i;
 912         if (strncmp(src, "0x", 2) != 0 && strncmp(src, "0X", 2) != 0) {
 913                 DHD_ERROR(("Mask invalid format. Needs to start with 0x\n"));
 914                 return -1;
 915         }
 916         src = src + 2;          /* Skip past 0x */
 917         if (strlen(src) % 2 != 0) {
 918                 DHD_ERROR(("Mask invalid format. Length must be even.\n"));
 919                 return -1;
 920         }
 921         for (i = 0; *src != '\0'; i++) {
 922                 char num[3];
 923                 strncpy(num, src, 2);
 924                 num[2] = '\0';
 925                 dst[i] = (u8) simple_strtoul(num, NULL, 16);
 926                 src += 2;
 927         }
 928         return i;
 929 }
 930
 931 void
 932 dhd_pktfilter_offload_enable(dhd_pub_t *dhd, char *arg, int enable,
 933                              int master_mode)
 934 {
 935         char *argv[8];
 936         int i = 0;
 937         const char *str;
 938         int buf_len;
 939         int str_len;
 940         char *arg_save = 0, *arg_org = 0;
 941         int rc;
 942         char buf[128];
 943         wl_pkt_filter_enable_t enable_parm;
 944         wl_pkt_filter_enable_t *pkt_filterp;
 945
 946         arg_save = kmalloc(strlen(arg) + 1, GFP_ATOMIC);
 947         if (!arg_save) {
 948                 DHD_ERROR(("%s: kmalloc failed\n", __func__));
 949                 goto fail;
 950         }
 951         arg_org = arg_save;
 952         memcpy(arg_save, arg, strlen(arg) + 1);
 953
 954         argv[i] = strsep(&arg_save, " ");
 955
 956         i = 0;
 957         if (NULL == argv[i]) {
 958                 DHD_ERROR(("No args provided\n"));
 959                 goto fail;
 960         }
 961
 962         str = "pkt_filter_enable";
 963         str_len = strlen(str);
 964         strncpy(buf, str, str_len);
 965         buf[str_len] = '\0';
 966         buf_len = str_len + 1;
 967
 968         pkt_filterp = (wl_pkt_filter_enable_t *) (buf + str_len + 1);
 969
 970         /* Parse packet filter id. */
 971         enable_parm.id = simple_strtoul(argv[i], NULL, 0);
 972
 973         /* Parse enable/disable value. */
 974         enable_parm.enable = enable;
 975
 976         buf_len += sizeof(enable_parm);
 977         memcpy((char *)pkt_filterp, &enable_parm, sizeof(enable_parm));
 978
 979         /* Enable/disable the specified filter. */
 980         rc = dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, buf, buf_len);
 981         rc = rc >= 0 ? 0 : rc;
 982         if (rc)
 983                 DHD_TRACE(("%s: failed to add pktfilter %s, retcode = %d\n",
 984                            __func__, arg, rc));
 985         else
 986                 DHD_TRACE(("%s: successfully added pktfilter %s\n",
 987                            __func__, arg));
 988
 989         /* Contorl the master mode */
 990         bcm_mkiovar("pkt_filter_mode", (char *)&master_mode, 4, buf,
 991                     sizeof(buf));
 992         rc = dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, buf, sizeof(buf));
 993         rc = rc >= 0 ? 0 : rc;
 994         if (rc)
 995                 DHD_TRACE(("%s: failed to add pktfilter %s, retcode = %d\n",
 996                            __func__, arg, rc));
 997
 998 fail:
 999         kfree(arg_org);
1000 }
1001
1002 void dhd_pktfilter_offload_set(dhd_pub_t *dhd, char *arg)
1003 {
1004         const char *str;
1005         wl_pkt_filter_t pkt_filter;
1006         wl_pkt_filter_t *pkt_filterp;
1007         int buf_len;
1008         int str_len;
1009         int rc;
1010         u32 mask_size;
1011         u32 pattern_size;
1012         char *argv[8], *buf = 0;
1013         int i = 0;
1014         char *arg_save = 0, *arg_org = 0;
1015 #define BUF_SIZE                2048
1016
1017         arg_save = kmalloc(strlen(arg) + 1, GFP_ATOMIC);
1018         if (!arg_save) {
1019                 DHD_ERROR(("%s: kmalloc failed\n", __func__));
1020                 goto fail;
1021         }
1022
1023         arg_org = arg_save;
1024
1025         buf = kmalloc(BUF_SIZE, GFP_ATOMIC);
1026         if (!buf) {
1027                 DHD_ERROR(("%s: kmalloc failed\n", __func__));
1028                 goto fail;
1029         }
1030
1031         memcpy(arg_save, arg, strlen(arg) + 1);
1032
1033         if (strlen(arg) > BUF_SIZE) {
1034                 DHD_ERROR(("Not enough buffer %d < %d\n", (int)strlen(arg),
1035                            (int)sizeof(buf)));
1036                 goto fail;
1037         }
1038
1039         argv[i] = strsep(&arg_save, " ");
1040         while (argv[i++])
1041                 argv[i] = strsep(&arg_save, " ");
1042
1043         i = 0;
1044         if (NULL == argv[i]) {
1045                 DHD_ERROR(("No args provided\n"));
1046                 goto fail;
1047         }
1048
1049         str = "pkt_filter_add";
1050         str_len = strlen(str);
1051         strncpy(buf, str, str_len);
1052         buf[str_len] = '\0';
1053         buf_len = str_len + 1;
1054
1055         pkt_filterp = (wl_pkt_filter_t *) (buf + str_len + 1);
1056
1057         /* Parse packet filter id. */
1058         pkt_filter.id = simple_strtoul(argv[i], NULL, 0);
1059
1060         if (NULL == argv[++i]) {
1061                 DHD_ERROR(("Polarity not provided\n"));
1062                 goto fail;
1063         }
1064
1065         /* Parse filter polarity. */
1066         pkt_filter.negate_match = simple_strtoul(argv[i], NULL, 0);
1067
1068         if (NULL == argv[++i]) {
1069                 DHD_ERROR(("Filter type not provided\n"));
1070                 goto fail;
1071         }
1072
1073         /* Parse filter type. */
1074         pkt_filter.type = simple_strtoul(argv[i], NULL, 0);
1075
1076         if (NULL == argv[++i]) {
1077                 DHD_ERROR(("Offset not provided\n"));
1078                 goto fail;
1079         }
1080
1081         /* Parse pattern filter offset. */
1082         pkt_filter.u.pattern.offset = simple_strtoul(argv[i], NULL, 0);
1083
1084         if (NULL == argv[++i]) {
1085                 DHD_ERROR(("Bitmask not provided\n"));
1086                 goto fail;
1087         }
1088
1089         /* Parse pattern filter mask. */
1090         mask_size =
1091             wl_pattern_atoh
1092                    (argv[i], (char *)pkt_filterp->u.pattern.mask_and_pattern);
1093
1094         if (NULL == argv[++i]) {
1095                 DHD_ERROR(("Pattern not provided\n"));
1096                 goto fail;
1097         }
1098
1099         /* Parse pattern filter pattern. */
1100         pattern_size =
1101             wl_pattern_atoh(argv[i],
1102                                    (char *)&pkt_filterp->u.pattern.
1103                                    mask_and_pattern[mask_size]);
1104
1105         if (mask_size != pattern_size) {
1106                 DHD_ERROR(("Mask and pattern not the same size\n"));
1107                 goto fail;
1108         }
1109
1110         pkt_filter.u.pattern.size_bytes = mask_size;
1111         buf_len += WL_PKT_FILTER_FIXED_LEN;
1112         buf_len += (WL_PKT_FILTER_PATTERN_FIXED_LEN + 2 * mask_size);
1113
1114         /* Keep-alive attributes are set in local
1115          * variable (keep_alive_pkt), and
1116          ** then memcpy'ed into buffer (keep_alive_pktp) since there is no
1117          ** guarantee that the buffer is properly aligned.
1118          */
1119         memcpy((char *)pkt_filterp,
1120                &pkt_filter,
1121                WL_PKT_FILTER_FIXED_LEN + WL_PKT_FILTER_PATTERN_FIXED_LEN);
1122
1123         rc = dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, buf, buf_len);
1124         rc = rc >= 0 ? 0 : rc;
1125
1126         if (rc)
1127                 DHD_TRACE(("%s: failed to add pktfilter %s, retcode = %d\n",
1128                            __func__, arg, rc));
1129         else
1130                 DHD_TRACE(("%s: successfully added pktfilter %s\n",
1131                            __func__, arg));
1132
1133 fail:
1134         kfree(arg_org);
1135
1136         kfree(buf);
1137 }
1138
1139 void dhd_arp_offload_set(dhd_pub_t *dhd, int arp_mode)
1140 {
1141         char iovbuf[32];
1142         int retcode;
1143
1144         bcm_mkiovar("arp_ol", (char *)&arp_mode, 4, iovbuf, sizeof(iovbuf));
1145         retcode = dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf));
1146         retcode = retcode >= 0 ? 0 : retcode;
1147         if (retcode)
1148                 DHD_TRACE(("%s: failed to set ARP offload mode to 0x%x, "
1149                         "retcode = %d\n", __func__, arp_mode, retcode));
1150         else
1151                 DHD_TRACE(("%s: successfully set ARP offload mode to 0x%x\n",
1152                            __func__, arp_mode));
1153 }
1154
1155 void dhd_arp_offload_enable(dhd_pub_t *dhd, int arp_enable)
1156 {
1157         char iovbuf[32];
1158         int retcode;
1159
1160         bcm_mkiovar("arpoe", (char *)&arp_enable, 4, iovbuf, sizeof(iovbuf));
1161         retcode = dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf));
1162         retcode = retcode >= 0 ? 0 : retcode;
1163         if (retcode)
1164                 DHD_TRACE(("%s: failed to enabe ARP offload to %d, "
1165                         "retcode = %d\n", __func__, arp_enable, retcode));
1166         else
1167                 DHD_TRACE(("%s: successfully enabed ARP offload to %d\n",
1168                            __func__, arp_enable));
1169 }
1170
1171 int dhd_preinit_ioctls(dhd_pub_t *dhd)
1172 {
1173         char iovbuf[WL_EVENTING_MASK_LEN + 12]; /*  Room for
1174                                  "event_msgs" + '\0' + bitvec  */
1175         uint up = 0;
1176         char buf[128], *ptr;
1177         uint power_mode = PM_FAST;
1178         u32 dongle_align = DHD_SDALIGN;
1179         u32 glom = 0;
1180         uint bcn_timeout = 3;
1181         int scan_assoc_time = 40;
1182         int scan_unassoc_time = 40;
1183 #ifdef GET_CUSTOM_MAC_ENABLE
1184         int ret = 0;
1185         u8 ea_addr[ETH_ALEN];
1186 #endif                          /* GET_CUSTOM_MAC_ENABLE */
1187
1188         dhd_os_proto_block(dhd);
1189
1190 #ifdef GET_CUSTOM_MAC_ENABLE
1191         /* Read MAC address from external customer place
1192          ** NOTE that default mac address has to be present in
1193          ** otp or nvram file to bring up
1194          ** firmware but unique per board mac address maybe provided by
1195          ** customer code
1196          */
1197         ret = dhd_custom_get_mac_address(ea_addr);
1198         if (!ret) {
1199                 bcm_mkiovar("cur_etheraddr", (void *)ea_addr, ETH_ALEN,
1200                             buf, sizeof(buf));
1201                 ret = dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, buf, sizeof(buf));
1202                 if (ret < 0) {
1203                         DHD_ERROR(("%s: can't set MAC address , error=%d\n",
1204                                    __func__, ret));
1205                 } else
1206                         memcpy(dhd->mac.octet, (void *)&ea_addr,
1207                                ETH_ALEN);
1208         }
1209 #endif                          /* GET_CUSTOM_MAC_ENABLE */
1210
1211         /* Set Country code */
1212         if (dhd->country_code[0] != 0) {
1213                 if (dhdcdc_set_ioctl(dhd, 0, WLC_SET_COUNTRY,
1214                                      dhd->country_code,
1215                                      sizeof(dhd->country_code)) < 0) {
1216                         DHD_ERROR(("%s: country code setting failed\n",
1217                                    __func__));
1218                 }
1219         }
1220
1221         /* query for 'ver' to get version info from firmware */
1222         memset(buf, 0, sizeof(buf));
1223         ptr = buf;
1224         bcm_mkiovar("ver", 0, 0, buf, sizeof(buf));
1225         dhdcdc_query_ioctl(dhd, 0, WLC_GET_VAR, buf, sizeof(buf));
1226         strsep(&ptr, "\n");
1227         /* Print fw version info */
1228         DHD_ERROR(("Firmware version = %s\n", buf));
1229
1230         /* Set PowerSave mode */
1231         dhdcdc_set_ioctl(dhd, 0, WLC_SET_PM, (char *)&power_mode,
1232                          sizeof(power_mode));
1233
1234         /* Match Host and Dongle rx alignment */
1235         bcm_mkiovar("bus:txglomalign", (char *)&dongle_align, 4, iovbuf,
1236                     sizeof(iovbuf));
1237         dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf));
1238
1239         /* disable glom option per default */
1240         bcm_mkiovar("bus:txglom", (char *)&glom, 4, iovbuf, sizeof(iovbuf));
1241         dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf));
1242
1243         /* Setup timeout if Beacons are lost and roam is off to report
1244                  link down */
1245         bcm_mkiovar("bcn_timeout", (char *)&bcn_timeout, 4, iovbuf,
1246                     sizeof(iovbuf));
1247         dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf));
1248
1249         /* Enable/Disable build-in roaming to allowed ext supplicant to take
1250                  of romaing */
1251         bcm_mkiovar("roam_off", (char *)&dhd_roam, 4, iovbuf, sizeof(iovbuf));
1252         dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf));
1253
1254         /* Force STA UP */
1255         if (dhd_radio_up)
1256                 dhdcdc_set_ioctl(dhd, 0, WLC_UP, (char *)&up, sizeof(up));
1257
1258         /* Setup event_msgs */
1259         bcm_mkiovar("event_msgs", dhd->eventmask, WL_EVENTING_MASK_LEN, iovbuf,
1260                     sizeof(iovbuf));
1261         dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf));
1262
1263         dhdcdc_set_ioctl(dhd, 0, WLC_SET_SCAN_CHANNEL_TIME,
1264                          (char *)&scan_assoc_time, sizeof(scan_assoc_time));
1265         dhdcdc_set_ioctl(dhd, 0, WLC_SET_SCAN_UNASSOC_TIME,
1266                          (char *)&scan_unassoc_time, sizeof(scan_unassoc_time));
1267
1268 #ifdef ARP_OFFLOAD_SUPPORT
1269         /* Set and enable ARP offload feature */
1270         if (dhd_arp_enable)
1271                 dhd_arp_offload_set(dhd, dhd_arp_mode);
1272         dhd_arp_offload_enable(dhd, dhd_arp_enable);
1273 #endif                          /* ARP_OFFLOAD_SUPPORT */
1274
1275 #ifdef PKT_FILTER_SUPPORT
1276         {
1277                 int i;
1278                 /* Set up pkt filter */
1279                 if (dhd_pkt_filter_enable) {
1280                         for (i = 0; i < dhd->pktfilter_count; i++) {
1281                                 dhd_pktfilter_offload_set(dhd,
1282                                                           dhd->pktfilter[i]);
1283                                 dhd_pktfilter_offload_enable(dhd,
1284                                      dhd->pktfilter[i],
1285                                      dhd_pkt_filter_init,
1286                                      dhd_master_mode);
1287                         }
1288                 }
1289         }
1290 #endif                          /* PKT_FILTER_SUPPORT */
1291
1292         dhd_os_proto_unblock(dhd);
1293
1294         return 0;
1295 }
1296
1297 #ifdef SIMPLE_ISCAN
1298 uint iscan_thread_id;
1299 iscan_buf_t *iscan_chain;
1300
1301 iscan_buf_t *dhd_iscan_allocate_buf(dhd_pub_t *dhd, iscan_buf_t **iscanbuf)
1302 {
1303         iscan_buf_t *iscanbuf_alloc = 0;
1304         iscan_buf_t *iscanbuf_head;
1305
1306         dhd_iscan_lock();
1307
1308         iscanbuf_alloc = kmalloc(sizeof(iscan_buf_t), GFP_ATOMIC);
1309         if (iscanbuf_alloc == NULL)
1310                 goto fail;
1311
1312         iscanbuf_alloc->next = NULL;
1313         iscanbuf_head = *iscanbuf;
1314
1315         DHD_ISCAN(("%s: addr of allocated node = 0x%X"
1316                    "addr of iscanbuf_head = 0x%X dhd = 0x%X\n",
1317                    __func__, iscanbuf_alloc, iscanbuf_head, dhd));
1318
1319         if (iscanbuf_head == NULL) {
1320                 *iscanbuf = iscanbuf_alloc;
1321                 DHD_ISCAN(("%s: Head is allocated\n", __func__));
1322                 goto fail;
1323         }
1324
1325         while (iscanbuf_head->next)
1326                 iscanbuf_head = iscanbuf_head->next;
1327
1328         iscanbuf_head->next = iscanbuf_alloc;
1329
1330 fail:
1331         dhd_iscan_unlock();
1332         return iscanbuf_alloc;
1333 }
1334
1335 void dhd_iscan_free_buf(void *dhdp, iscan_buf_t *iscan_delete)
1336 {
1337         iscan_buf_t *iscanbuf_free = 0;
1338         iscan_buf_t *iscanbuf_prv = 0;
1339         iscan_buf_t *iscanbuf_cur = iscan_chain;
1340         dhd_pub_t *dhd = dhd_bus_pub(dhdp);
1341
1342         dhd_iscan_lock();
1343         /* If iscan_delete is null then delete the entire
1344          * chain or else delete specific one provided
1345          */
1346         if (!iscan_delete) {
1347                 while (iscanbuf_cur) {
1348                         iscanbuf_free = iscanbuf_cur;
1349                         iscanbuf_cur = iscanbuf_cur->next;
1350                         iscanbuf_free->next = 0;
1351                         kfree(iscanbuf_free);
1352                 }
1353                 iscan_chain = 0;
1354         } else {
1355                 while (iscanbuf_cur) {
1356                         if (iscanbuf_cur == iscan_delete)
1357                                 break;
1358                         iscanbuf_prv = iscanbuf_cur;
1359                         iscanbuf_cur = iscanbuf_cur->next;
1360                 }
1361                 if (iscanbuf_prv)
1362                         iscanbuf_prv->next = iscan_delete->next;
1363
1364                 iscan_delete->next = 0;
1365                 kfree(iscan_delete);
1366
1367                 if (!iscanbuf_prv)
1368                         iscan_chain = 0;
1369         }
1370         dhd_iscan_unlock();
1371 }
1372
1373 iscan_buf_t *dhd_iscan_result_buf(void)
1374 {
1375         return iscan_chain;
1376 }
1377
1378 /*
1379 * print scan cache
1380 * print partial iscan_skip list differently
1381 */
1382 int dhd_iscan_print_cache(iscan_buf_t *iscan_skip)
1383 {
1384         int i = 0, l = 0;
1385         iscan_buf_t *iscan_cur;
1386         wl_iscan_results_t *list;
1387         wl_scan_results_t *results;
1388         wl_bss_info_t UNALIGNED *bi;
1389
1390         dhd_iscan_lock();
1391
1392         iscan_cur = dhd_iscan_result_buf();
1393
1394         while (iscan_cur) {
1395                 list = (wl_iscan_results_t *)iscan_cur->iscan_buf;
1396                 if (!list)
1397                         break;
1398
1399                 results = (wl_scan_results_t *)&list->results;
1400                 if (!results)
1401                         break;
1402
1403                 if (results->version != WL_BSS_INFO_VERSION) {
1404                         DHD_ISCAN(("%s: results->version %d != "
1405                                 "WL_BSS_INFO_VERSION\n",
1406                                 __func__, results->version));
1407                         goto done;
1408                 }
1409
1410                 bi = results->bss_info;
1411                 for (i = 0; i < results->count; i++) {
1412                         if (!bi)
1413                                 break;
1414
1415                         DHD_ISCAN(("%s[%2.2d:%2.2d] %X:%X:%X:%X:%X:%X\n",
1416                                    iscan_cur != iscan_skip ? "BSS" : "bss", l,
1417                                    i, bi->BSSID.octet[0], bi->BSSID.octet[1],
1418                                    bi->BSSID.octet[2], bi->BSSID.octet[3],
1419                                    bi->BSSID.octet[4], bi->BSSID.octet[5]));
1420
1421                         bi = (wl_bss_info_t *)((unsigned long)bi + bi->length);
1422                 }
1423                 iscan_cur = iscan_cur->next;
1424                 l++;
1425         }
1426
1427 done:
1428         dhd_iscan_unlock();
1429         return 0;
1430 }
1431
1432 /*
1433 * delete disappeared AP from specific scan cache but skip partial
1434 * list in iscan_skip
1435 */
1436 int dhd_iscan_delete_bss(void *dhdp, void *addr, iscan_buf_t *iscan_skip)
1437 {
1438         int i = 0, j = 0, l = 0;
1439         iscan_buf_t *iscan_cur;
1440         wl_iscan_results_t *list;
1441         wl_scan_results_t *results;
1442         wl_bss_info_t UNALIGNED *bi, *bi_new, *bi_next;
1443
1444         unsigned char *s_addr = addr;
1445
1446         dhd_iscan_lock();
1447         DHD_ISCAN(("%s: BSS to remove %X:%X:%X:%X:%X:%X\n",
1448                    __func__, s_addr[0], s_addr[1], s_addr[2],
1449                    s_addr[3], s_addr[4], s_addr[5]));
1450
1451         iscan_cur = dhd_iscan_result_buf();
1452
1453         while (iscan_cur) {
1454                 if (iscan_cur != iscan_skip) {
1455                         list = (wl_iscan_results_t *)iscan_cur->iscan_buf;
1456                         if (!list)
1457                                 break;
1458
1459                         results = (wl_scan_results_t *)&list->results;
1460                         if (!results)
1461                                 break;
1462
1463                         if (results->version != WL_BSS_INFO_VERSION) {
1464                                 DHD_ERROR(("%s: results->version %d != "
1465                                         "WL_BSS_INFO_VERSION\n",
1466                                         __func__, results->version));
1467                                 goto done;
1468                         }
1469
1470                         bi = results->bss_info;
1471                         for (i = 0; i < results->count; i++) {
1472                                 if (!bi)
1473                                         break;
1474
1475                                 if (!memcmp
1476                                     (bi->BSSID.octet, addr, ETH_ALEN)) {
1477                                         DHD_ISCAN(("%s: Del BSS[%2.2d:%2.2d] "
1478                                         "%X:%X:%X:%X:%X:%X\n",
1479                                         __func__, l, i, bi->BSSID.octet[0],
1480                                         bi->BSSID.octet[1], bi->BSSID.octet[2],
1481                                         bi->BSSID.octet[3], bi->BSSID.octet[4],
1482                                         bi->BSSID.octet[5]));
1483
1484                                         bi_new = bi;
1485                                         bi = (wl_bss_info_t *)((unsigned long)
1486                                                                bi + bi->length);
1487 /*
1488                         if(bi && bi_new) {
1489                                 memcpy(bi_new, bi, results->buflen -
1490                                 bi_new->length);
1491                                 results->buflen -= bi_new->length;
1492                         }
1493 */
1494                                         results->buflen -= bi_new->length;
1495                                         results->count--;
1496
1497                                         for (j = i; j < results->count; j++) {
1498                                                 if (bi && bi_new) {
1499                                                         DHD_ISCAN(("%s: Moved up BSS[%2.2d:%2.2d]" "%X:%X:%X:%X:%X:%X\n",
1500                                                         __func__, l, j,
1501                                                         bi->BSSID.octet[0],
1502                                                         bi->BSSID.octet[1],
1503                                                         bi->BSSID.octet[2],
1504                                                         bi->BSSID.octet[3],
1505                                                         bi->BSSID.octet[4],
1506                                                         bi->BSSID.octet[5]));
1507
1508                                                         bi_next =
1509                                                             (wl_bss_info_t *)((unsigned long)bi +
1510                                                                  bi->length);
1511                                                         memcpy(bi_new, bi,
1512                                                               bi->length);
1513                                                         bi_new =
1514                                                             (wl_bss_info_t *)((unsigned long)bi_new +
1515                                                                  bi_new->
1516                                                                   length);
1517                                                         bi = bi_next;
1518                                                 }
1519                                         }
1520
1521                                         if (results->count == 0) {
1522                                                 /* Prune now empty partial
1523                                                 scan list */
1524                                                 dhd_iscan_free_buf(dhdp,
1525                                                                    iscan_cur);
1526                                                 goto done;
1527                                         }
1528                                         break;
1529                                 }
1530                                 bi = (wl_bss_info_t *)((unsigned long)bi +
1531                                                         bi->length);
1532                         }
1533                 }
1534                 iscan_cur = iscan_cur->next;
1535                 l++;
1536         }
1537
1538 done:
1539         dhd_iscan_unlock();
1540         return 0;
1541 }
1542
1543 int dhd_iscan_remove_duplicates(void *dhdp, iscan_buf_t *iscan_cur)
1544 {
1545         int i = 0;
1546         wl_iscan_results_t *list;
1547         wl_scan_results_t *results;
1548         wl_bss_info_t UNALIGNED *bi, *bi_new, *bi_next;
1549
1550         dhd_iscan_lock();
1551
1552         DHD_ISCAN(("%s: Scan cache before delete\n", __func__));
1553         dhd_iscan_print_cache(iscan_cur);
1554
1555         if (!iscan_cur)
1556                 goto done;
1557
1558         list = (wl_iscan_results_t *)iscan_cur->iscan_buf;
1559         if (!list)
1560                 goto done;
1561
1562         results = (wl_scan_results_t *)&list->results;
1563         if (!results)
1564                 goto done;
1565
1566         if (results->version != WL_BSS_INFO_VERSION) {
1567                 DHD_ERROR(("%s: results->version %d != WL_BSS_INFO_VERSION\n",
1568                            __func__, results->version));
1569                 goto done;
1570         }
1571
1572         bi = results->bss_info;
1573         for (i = 0; i < results->count; i++) {
1574                 if (!bi)
1575                         break;
1576
1577                 DHD_ISCAN(("%s: Find dups for BSS[%2.2d] %X:%X:%X:%X:%X:%X\n",
1578                            __func__, i, bi->BSSID.octet[0],
1579                            bi->BSSID.octet[1], bi->BSSID.octet[2],
1580                            bi->BSSID.octet[3], bi->BSSID.octet[4],
1581                            bi->BSSID.octet[5]));
1582
1583                 dhd_iscan_delete_bss(dhdp, bi->BSSID.octet, iscan_cur);
1584
1585                 bi = (wl_bss_info_t *)((unsigned long)bi + bi->length);
1586         }
1587
1588 done:
1589         DHD_ISCAN(("%s: Scan cache after delete\n", __func__));
1590         dhd_iscan_print_cache(iscan_cur);
1591         dhd_iscan_unlock();
1592         return 0;
1593 }
1594
1595 void dhd_iscan_ind_scan_confirm(void *dhdp, bool status)
1596 {
1597
1598         dhd_ind_scan_confirm(dhdp, status);
1599 }
1600
1601 int dhd_iscan_request(void *dhdp, u16 action)
1602 {
1603         int rc;
1604         wl_iscan_params_t params;
1605         dhd_pub_t *dhd = dhd_bus_pub(dhdp);
1606         char buf[WLC_IOCTL_SMLEN];
1607
1608         memset(&params, 0, sizeof(wl_iscan_params_t));
1609         memcpy(&params.params.bssid, &ether_bcast, ETH_ALEN);
1610
1611         params.params.bss_type = DOT11_BSSTYPE_ANY;
1612         params.params.scan_type = DOT11_SCANTYPE_ACTIVE;
1613
1614         params.params.nprobes = -1;
1615         params.params.active_time = -1;
1616         params.params.passive_time = -1;
1617         params.params.home_time = -1;
1618         params.params.channel_num = 0;
1619
1620         params.version = ISCAN_REQ_VERSION;
1621         params.action = action;
1622         params.scan_duration = 0;
1623
1624         bcm_mkiovar("iscan", (char *)&params, sizeof(wl_iscan_params_t), buf,
1625                     WLC_IOCTL_SMLEN);
1626         rc = dhd_wl_ioctl(dhdp, WLC_SET_VAR, buf, WLC_IOCTL_SMLEN);
1627
1628         return rc;
1629 }
1630
1631 static int dhd_iscan_get_partial_result(void *dhdp, uint *scan_count)
1632 {
1633         wl_iscan_results_t *list_buf;
1634         wl_iscan_results_t list;
1635         wl_scan_results_t *results;
1636         iscan_buf_t *iscan_cur;
1637         int status = -1;
1638         dhd_pub_t *dhd = dhd_bus_pub(dhdp);
1639         int rc;
1640
1641         iscan_cur = dhd_iscan_allocate_buf(dhd, &iscan_chain);
1642         if (!iscan_cur) {
1643                 DHD_ERROR(("%s: Failed to allocate node\n", __func__));
1644                 dhd_iscan_free_buf(dhdp, 0);
1645                 dhd_iscan_request(dhdp, WL_SCAN_ACTION_ABORT);
1646                 goto fail;
1647         }
1648
1649         dhd_iscan_lock();
1650
1651         memset(iscan_cur->iscan_buf, 0, WLC_IW_ISCAN_MAXLEN);
1652         list_buf = (wl_iscan_results_t *) iscan_cur->iscan_buf;
1653         results = &list_buf->results;
1654         results->buflen = WL_ISCAN_RESULTS_FIXED_SIZE;
1655         results->version = 0;
1656         results->count = 0;
1657
1658         memset(&list, 0, sizeof(list));
1659         list.results.buflen = WLC_IW_ISCAN_MAXLEN;
1660         bcm_mkiovar("iscanresults", (char *)&list, WL_ISCAN_RESULTS_FIXED_SIZE,
1661                     iscan_cur->iscan_buf, WLC_IW_ISCAN_MAXLEN);
1662         rc = dhd_wl_ioctl(dhdp, WLC_GET_VAR, iscan_cur->iscan_buf,
1663                           WLC_IW_ISCAN_MAXLEN);
1664
1665         results->buflen = results->buflen;
1666         results->version = results->version;
1667         *scan_count = results->count = results->count;
1668         status = list_buf->status;
1669
1670         dhd_iscan_unlock();
1671
1672         if (!(*scan_count))
1673                 dhd_iscan_free_buf(dhdp, iscan_cur);
1674         else
1675                 dhd_iscan_remove_duplicates(dhdp, iscan_cur);
1676
1677 fail:
1678         return status;
1679 }
1680 #endif                          /* SIMPLE_ISCAN */
1681
1682 #ifdef PNO_SUPPORT
1683 int dhd_pno_clean(dhd_pub_t *dhd)
1684 {
1685         char iovbuf[128];
1686         int pfn_enabled = 0;
1687         int iov_len = 0;
1688         int ret;
1689
1690         /* Disable pfn */
1691         iov_len =
1692             bcm_mkiovar("pfn", (char *)&pfn_enabled, 4, iovbuf, sizeof(iovbuf));
1693         ret = dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf));
1694         if (ret >= 0) {
1695                 /* clear pfn */
1696                 iov_len = bcm_mkiovar("pfnclear", 0, 0, iovbuf, sizeof(iovbuf));
1697                 if (iov_len) {
1698                         ret = dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf,
1699                                         iov_len);
1700                         if (ret < 0) {
1701                                 DHD_ERROR(("%s failed code %d\n", __func__,
1702                                            ret));
1703                         }
1704                 } else {
1705                         ret = -1;
1706                         DHD_ERROR(("%s failed code %d\n", __func__, iov_len));
1707                 }
1708         } else
1709                 DHD_ERROR(("%s failed code %d\n", __func__, ret));
1710
1711         return ret;
1712 }
1713
1714 int dhd_pno_enable(dhd_pub_t *dhd, int pfn_enabled)
1715 {
1716         char iovbuf[128];
1717         int ret = -1;
1718
1719         if ((!dhd) && ((pfn_enabled != 0) || (pfn_enabled != 1))) {
1720                 DHD_ERROR(("%s error exit\n", __func__));
1721                 return ret;
1722         }
1723
1724         /* Enable/disable PNO */
1725         ret = bcm_mkiovar("pfn", (char *)&pfn_enabled, 4, iovbuf,
1726                         sizeof(iovbuf));
1727         if (ret > 0) {
1728                 ret = dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf,
1729                                 sizeof(iovbuf));
1730                 if (ret < 0) {
1731                         DHD_ERROR(("%s failed for error=%d\n", __func__, ret));
1732                         return ret;
1733                 } else {
1734                         dhd->pno_enable = pfn_enabled;
1735                         DHD_TRACE(("%s set pno as %d\n", __func__,
1736                                    dhd->pno_enable));
1737                 }
1738         } else
1739                 DHD_ERROR(("%s failed err=%d\n", __func__, ret));
1740
1741         return ret;
1742 }
1743
1744 /* Function to execute combined scan */
1745 int
1746 dhd_pno_set(dhd_pub_t *dhd, wlc_ssid_t *ssids_local, int nssid, unsigned char scan_fr)
1747 {
1748         int err = -1;
1749         char iovbuf[128];
1750         int k, i;
1751         wl_pfn_param_t pfn_param;
1752         wl_pfn_t pfn_element;
1753
1754         DHD_TRACE(("%s nssid=%d nchan=%d\n", __func__, nssid, scan_fr));
1755
1756         if ((!dhd) && (!ssids_local)) {
1757                 DHD_ERROR(("%s error exit\n", __func__));
1758                 err = -1;
1759         }
1760
1761         /* Check for broadcast ssid */
1762         for (k = 0; k < nssid; k++) {
1763                 if (!ssids_local[k].SSID_len) {
1764                         DHD_ERROR(("%d: Broadcast SSID is ilegal for PNO "
1765                                 "setting\n", k));
1766                         return err;
1767                 }
1768         }
1769 /* #define  PNO_DUMP 1 */
1770 #ifdef PNO_DUMP
1771         {
1772                 int j;
1773                 for (j = 0; j < nssid; j++) {
1774                         DHD_ERROR(("%d: scan  for  %s size =%d\n", j,
1775                                    ssids_local[j].SSID,
1776                                    ssids_local[j].SSID_len));
1777                 }
1778         }
1779 #endif                          /* PNO_DUMP */
1780
1781         /* clean up everything */
1782         err = dhd_pno_clean(dhd);
1783         if (err < 0) {
1784                 DHD_ERROR(("%s failed error=%d\n", __func__, err));
1785                 return err;
1786         }
1787         memset(&pfn_param, 0, sizeof(pfn_param));
1788         memset(&pfn_element, 0, sizeof(pfn_element));
1789
1790         /* set pfn parameters */
1791         pfn_param.version = PFN_VERSION;
1792         pfn_param.flags = (PFN_LIST_ORDER << SORT_CRITERIA_BIT);
1793
1794         /* set up pno scan fr */
1795         if (scan_fr != 0)
1796                 pfn_param.scan_freq = scan_fr;
1797
1798         bcm_mkiovar("pfn_set", (char *)&pfn_param, sizeof(pfn_param), iovbuf,
1799                     sizeof(iovbuf));
1800         dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf));
1801
1802         /* set all pfn ssid */
1803         for (i = 0; i < nssid; i++) {
1804
1805                 pfn_element.bss_type = DOT11_BSSTYPE_INFRASTRUCTURE;
1806                 pfn_element.auth = WLAN_AUTH_OPEN;
1807                 pfn_element.wpa_auth = WPA_AUTH_PFN_ANY;
1808                 pfn_element.wsec = 0;
1809                 pfn_element.infra = 1;
1810
1811                 memcpy((char *)pfn_element.ssid.SSID, ssids_local[i].SSID,
1812                        ssids_local[i].SSID_len);
1813                 pfn_element.ssid.SSID_len = ssids_local[i].SSID_len;
1814
1815                 err = bcm_mkiovar("pfn_add", (char *)&pfn_element,
1816                                 sizeof(pfn_element), iovbuf, sizeof(iovbuf));
1817                 if (err > 0) {
1818                         err = dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf,
1819                                         sizeof(iovbuf));
1820                         if (err < 0) {
1821                                 DHD_ERROR(("%s failed for i=%d error=%d\n",
1822                                            __func__, i, err));
1823                                 return err;
1824                         }
1825                 } else
1826                         DHD_ERROR(("%s failed err=%d\n", __func__, err));
1827         }
1828
1829         /* Enable PNO */
1830         /* dhd_pno_enable(dhd, 1); */
1831         return err;
1832 }
1833
1834 int dhd_pno_get_status(dhd_pub_t *dhd)
1835 {
1836         int ret = -1;
1837
1838         if (!dhd)
1839                 return ret;
1840         else
1841                 return dhd->pno_enable;
1842 }
1843
1844 #endif                          /* PNO_SUPPORT */
1845
1846 /* Androd ComboSCAN support */