drivers/net/wireless/ath/ath6kl/wmi.c

   1 /*
   2  * Copyright (c) 2004-2011 Atheros Communications Inc.
   3  * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #include <linux/ip.h>
  19 #include <linux/in.h>
  20 #include "core.h"
  21 #include "debug.h"
  22 #include "testmode.h"
  23 #include "trace.h"
  24 #include "../regd.h"
  25 #include "../regd_common.h"
  26
  27 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
  28
  29 static const s32 wmi_rate_tbl[][2] = {
  30         /* {W/O SGI, with SGI} */
  31         {1000, 1000},
  32         {2000, 2000},
  33         {5500, 5500},
  34         {11000, 11000},
  35         {6000, 6000},
  36         {9000, 9000},
  37         {12000, 12000},
  38         {18000, 18000},
  39         {24000, 24000},
  40         {36000, 36000},
  41         {48000, 48000},
  42         {54000, 54000},
  43         {6500, 7200},
  44         {13000, 14400},
  45         {19500, 21700},
  46         {26000, 28900},
  47         {39000, 43300},
  48         {52000, 57800},
  49         {58500, 65000},
  50         {65000, 72200},
  51         {13500, 15000},
  52         {27000, 30000},
  53         {40500, 45000},
  54         {54000, 60000},
  55         {81000, 90000},
  56         {108000, 120000},
  57         {121500, 135000},
  58         {135000, 150000},
  59         {0, 0}
  60 };
  61
  62 static const s32 wmi_rate_tbl_mcs15[][2] = {
  63         /* {W/O SGI, with SGI} */
  64         {1000, 1000},
  65         {2000, 2000},
  66         {5500, 5500},
  67         {11000, 11000},
  68         {6000, 6000},
  69         {9000, 9000},
  70         {12000, 12000},
  71         {18000, 18000},
  72         {24000, 24000},
  73         {36000, 36000},
  74         {48000, 48000},
  75         {54000, 54000},
  76         {6500, 7200},     /* HT 20, MCS 0 */
  77         {13000, 14400},
  78         {19500, 21700},
  79         {26000, 28900},
  80         {39000, 43300},
  81         {52000, 57800},
  82         {58500, 65000},
  83         {65000, 72200},
  84         {13000, 14400},   /* HT 20, MCS 8 */
  85         {26000, 28900},
  86         {39000, 43300},
  87         {52000, 57800},
  88         {78000, 86700},
  89         {104000, 115600},
  90         {117000, 130000},
  91         {130000, 144400}, /* HT 20, MCS 15 */
  92         {13500, 15000},   /*HT 40, MCS 0 */
  93         {27000, 30000},
  94         {40500, 45000},
  95         {54000, 60000},
  96         {81000, 90000},
  97         {108000, 120000},
  98         {121500, 135000},
  99         {135000, 150000},
 100         {27000, 30000},   /*HT 40, MCS 8 */
 101         {54000, 60000},
 102         {81000, 90000},
 103         {108000, 120000},
 104         {162000, 180000},
 105         {216000, 240000},
 106         {243000, 270000},
 107         {270000, 300000}, /*HT 40, MCS 15 */
 108         {0, 0}
 109 };
 110
 111 /* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
 112 static const u8 up_to_ac[] = {
 113         WMM_AC_BE,
 114         WMM_AC_BK,
 115         WMM_AC_BK,
 116         WMM_AC_BE,
 117         WMM_AC_VI,
 118         WMM_AC_VI,
 119         WMM_AC_VO,
 120         WMM_AC_VO,
 121 };
 122
 123 void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
 124 {
 125         if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
 126                 return;
 127
 128         wmi->ep_id = ep_id;
 129 }
 130
 131 enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
 132 {
 133         return wmi->ep_id;
 134 }
 135
 136 struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
 137 {
 138         struct ath6kl_vif *vif, *found = NULL;
 139
 140         if (WARN_ON(if_idx > (ar->vif_max - 1)))
 141                 return NULL;
 142
 143         /* FIXME: Locking */
 144         spin_lock_bh(&ar->list_lock);
 145         list_for_each_entry(vif, &ar->vif_list, list) {
 146                 if (vif->fw_vif_idx == if_idx) {
 147                         found = vif;
 148                         break;
 149                 }
 150         }
 151         spin_unlock_bh(&ar->list_lock);
 152
 153         return found;
 154 }
 155
 156 /*  Performs DIX to 802.3 encapsulation for transmit packets.
 157  *  Assumes the entire DIX header is contiguous and that there is
 158  *  enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
 159  */
 160 int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
 161 {
 162         struct ath6kl_llc_snap_hdr *llc_hdr;
 163         struct ethhdr *eth_hdr;
 164         size_t new_len;
 165         __be16 type;
 166         u8 *datap;
 167         u16 size;
 168
 169         if (WARN_ON(skb == NULL))
 170                 return -EINVAL;
 171
 172         size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
 173         if (skb_headroom(skb) < size)
 174                 return -ENOMEM;
 175
 176         eth_hdr = (struct ethhdr *) skb->data;
 177         type = eth_hdr->h_proto;
 178
 179         if (!is_ethertype(be16_to_cpu(type))) {
 180                 ath6kl_dbg(ATH6KL_DBG_WMI,
 181                            "%s: pkt is already in 802.3 format\n", __func__);
 182                 return 0;
 183         }
 184
 185         new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
 186
 187         skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
 188         datap = skb->data;
 189
 190         eth_hdr->h_proto = cpu_to_be16(new_len);
 191
 192         memcpy(datap, eth_hdr, sizeof(*eth_hdr));
 193
 194         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
 195         llc_hdr->dsap = 0xAA;
 196         llc_hdr->ssap = 0xAA;
 197         llc_hdr->cntl = 0x03;
 198         llc_hdr->org_code[0] = 0x0;
 199         llc_hdr->org_code[1] = 0x0;
 200         llc_hdr->org_code[2] = 0x0;
 201         llc_hdr->eth_type = type;
 202
 203         return 0;
 204 }
 205
 206 static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
 207                                u8 *version, void *tx_meta_info)
 208 {
 209         struct wmi_tx_meta_v1 *v1;
 210         struct wmi_tx_meta_v2 *v2;
 211
 212         if (WARN_ON(skb == NULL || version == NULL))
 213                 return -EINVAL;
 214
 215         switch (*version) {
 216         case WMI_META_VERSION_1:
 217                 skb_push(skb, WMI_MAX_TX_META_SZ);
 218                 v1 = (struct wmi_tx_meta_v1 *) skb->data;
 219                 v1->pkt_id = 0;
 220                 v1->rate_plcy_id = 0;
 221                 *version = WMI_META_VERSION_1;
 222                 break;
 223         case WMI_META_VERSION_2:
 224                 skb_push(skb, WMI_MAX_TX_META_SZ);
 225                 v2 = (struct wmi_tx_meta_v2 *) skb->data;
 226                 memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
 227                        sizeof(struct wmi_tx_meta_v2));
 228                 break;
 229         }
 230
 231         return 0;
 232 }
 233
 234 int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
 235                             u8 msg_type, u32 flags,
 236                             enum wmi_data_hdr_data_type data_type,
 237                             u8 meta_ver, void *tx_meta_info, u8 if_idx)
 238 {
 239         struct wmi_data_hdr *data_hdr;
 240         int ret;
 241
 242         if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))
 243                 return -EINVAL;
 244
 245         if (tx_meta_info) {
 246                 ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
 247                 if (ret)
 248                         return ret;
 249         }
 250
 251         skb_push(skb, sizeof(struct wmi_data_hdr));
 252
 253         data_hdr = (struct wmi_data_hdr *)skb->data;
 254         memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
 255
 256         data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
 257         data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
 258
 259         if (flags & WMI_DATA_HDR_FLAGS_MORE)
 260                 data_hdr->info |= WMI_DATA_HDR_MORE;
 261
 262         if (flags & WMI_DATA_HDR_FLAGS_EOSP)
 263                 data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);
 264
 265         data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
 266         data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
 267
 268         return 0;
 269 }
 270
 271 u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
 272 {
 273         struct iphdr *ip_hdr = (struct iphdr *) pkt;
 274         u8 ip_pri;
 275
 276         /*
 277          * Determine IPTOS priority
 278          *
 279          * IP-TOS - 8bits
 280          *          : DSCP(6-bits) ECN(2-bits)
 281          *          : DSCP - P2 P1 P0 X X X
 282          * where (P2 P1 P0) form 802.1D
 283          */
 284         ip_pri = ip_hdr->tos >> 5;
 285         ip_pri &= 0x7;
 286
 287         if ((layer2_pri & 0x7) > ip_pri)
 288                 return (u8) layer2_pri & 0x7;
 289         else
 290                 return ip_pri;
 291 }
 292
 293 u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
 294 {
 295         return  up_to_ac[user_priority & 0x7];
 296 }
 297
 298 int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
 299                                        struct sk_buff *skb,
 300                                        u32 layer2_priority, bool wmm_enabled,
 301                                        u8 *ac)
 302 {
 303         struct wmi_data_hdr *data_hdr;
 304         struct ath6kl_llc_snap_hdr *llc_hdr;
 305         struct wmi_create_pstream_cmd cmd;
 306         u32 meta_size, hdr_size;
 307         u16 ip_type = IP_ETHERTYPE;
 308         u8 stream_exist, usr_pri;
 309         u8 traffic_class = WMM_AC_BE;
 310         u8 *datap;
 311
 312         if (WARN_ON(skb == NULL))
 313                 return -EINVAL;
 314
 315         datap = skb->data;
 316         data_hdr = (struct wmi_data_hdr *) datap;
 317
 318         meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
 319                      WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
 320
 321         if (!wmm_enabled) {
 322                 /* If WMM is disabled all traffic goes as BE traffic */
 323                 usr_pri = 0;
 324         } else {
 325                 hdr_size = sizeof(struct ethhdr);
 326
 327                 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
 328                                                          sizeof(struct
 329                                                                 wmi_data_hdr) +
 330                                                          meta_size + hdr_size);
 331
 332                 if (llc_hdr->eth_type == htons(ip_type)) {
 333                         /*
 334                          * Extract the endpoint info from the TOS field
 335                          * in the IP header.
 336                          */
 337                         usr_pri =
 338                            ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
 339                                         sizeof(struct ath6kl_llc_snap_hdr),
 340                                         layer2_priority);
 341                 } else {
 342                         usr_pri = layer2_priority & 0x7;
 343                 }
 344
 345                 /*
 346                  * Queue the EAPOL frames in the same WMM_AC_VO queue
 347                  * as that of management frames.
 348                  */
 349                 if (skb->protocol == cpu_to_be16(ETH_P_PAE))
 350                         usr_pri = WMI_VOICE_USER_PRIORITY;
 351         }
 352
 353         /*
 354          * workaround for WMM S5
 355          *
 356          * FIXME: wmi->traffic_class is always 100 so this test doesn't
 357          * make sense
 358          */
 359         if ((wmi->traffic_class == WMM_AC_VI) &&
 360             ((usr_pri == 5) || (usr_pri == 4)))
 361                 usr_pri = 1;
 362
 363         /* Convert user priority to traffic class */
 364         traffic_class = up_to_ac[usr_pri & 0x7];
 365
 366         wmi_data_hdr_set_up(data_hdr, usr_pri);
 367
 368         spin_lock_bh(&wmi->lock);
 369         stream_exist = wmi->fat_pipe_exist;
 370         spin_unlock_bh(&wmi->lock);
 371
 372         if (!(stream_exist & (1 << traffic_class))) {
 373                 memset(&cmd, 0, sizeof(cmd));
 374                 cmd.traffic_class = traffic_class;
 375                 cmd.user_pri = usr_pri;
 376                 cmd.inactivity_int =
 377                         cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
 378                 /* Implicit streams are created with TSID 0xFF */
 379                 cmd.tsid = WMI_IMPLICIT_PSTREAM;
 380                 ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
 381         }
 382
 383         *ac = traffic_class;
 384
 385         return 0;
 386 }
 387
 388 int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
 389 {
 390         struct ieee80211_hdr_3addr *pwh, wh;
 391         struct ath6kl_llc_snap_hdr *llc_hdr;
 392         struct ethhdr eth_hdr;
 393         u32 hdr_size;
 394         u8 *datap;
 395         __le16 sub_type;
 396
 397         if (WARN_ON(skb == NULL))
 398                 return -EINVAL;
 399
 400         datap = skb->data;
 401         pwh = (struct ieee80211_hdr_3addr *) datap;
 402
 403         sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
 404
 405         memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
 406
 407         /* Strip off the 802.11 header */
 408         if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
 409                 hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
 410                                    sizeof(u32));
 411                 skb_pull(skb, hdr_size);
 412         } else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA)) {
 413                 skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
 414         }
 415
 416         datap = skb->data;
 417         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
 418
 419         memset(&eth_hdr, 0, sizeof(eth_hdr));
 420         eth_hdr.h_proto = llc_hdr->eth_type;
 421
 422         switch ((le16_to_cpu(wh.frame_control)) &
 423                 (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
 424         case IEEE80211_FCTL_TODS:
 425                 memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
 426                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 427                 break;
 428         case IEEE80211_FCTL_FROMDS:
 429                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 430                 memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
 431                 break;
 432         case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
 433                 break;
 434         default:
 435                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 436                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 437                 break;
 438         }
 439
 440         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 441         skb_push(skb, sizeof(eth_hdr));
 442
 443         datap = skb->data;
 444
 445         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 446
 447         return 0;
 448 }
 449
 450 /*
 451  * Performs 802.3 to DIX encapsulation for received packets.
 452  * Assumes the entire 802.3 header is contiguous.
 453  */
 454 int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
 455 {
 456         struct ath6kl_llc_snap_hdr *llc_hdr;
 457         struct ethhdr eth_hdr;
 458         u8 *datap;
 459
 460         if (WARN_ON(skb == NULL))
 461                 return -EINVAL;
 462
 463         datap = skb->data;
 464
 465         memcpy(&eth_hdr, datap, sizeof(eth_hdr));
 466
 467         llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
 468         eth_hdr.h_proto = llc_hdr->eth_type;
 469
 470         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 471         datap = skb->data;
 472
 473         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 474
 475         return 0;
 476 }
 477
 478 static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
 479 {
 480         struct tx_complete_msg_v1 *msg_v1;
 481         struct wmi_tx_complete_event *evt;
 482         int index;
 483         u16 size;
 484
 485         evt = (struct wmi_tx_complete_event *) datap;
 486
 487         ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
 488                    evt->num_msg, evt->msg_len, evt->msg_type);
 489
 490         for (index = 0; index < evt->num_msg; index++) {
 491                 size = sizeof(struct wmi_tx_complete_event) +
 492                     (index * sizeof(struct tx_complete_msg_v1));
 493                 msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
 494
 495                 ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
 496                            msg_v1->status, msg_v1->pkt_id,
 497                            msg_v1->rate_idx, msg_v1->ack_failures);
 498         }
 499
 500         return 0;
 501 }
 502
 503 static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
 504                                               int len, struct ath6kl_vif *vif)
 505 {
 506         struct wmi_remain_on_chnl_event *ev;
 507         u32 freq;
 508         u32 dur;
 509         struct ieee80211_channel *chan;
 510         struct ath6kl *ar = wmi->parent_dev;
 511         u32 id;
 512
 513         if (len < sizeof(*ev))
 514                 return -EINVAL;
 515
 516         ev = (struct wmi_remain_on_chnl_event *) datap;
 517         freq = le32_to_cpu(ev->freq);
 518         dur = le32_to_cpu(ev->duration);
 519         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
 520                    freq, dur);
 521         chan = ieee80211_get_channel(ar->wiphy, freq);
 522         if (!chan) {
 523                 ath6kl_dbg(ATH6KL_DBG_WMI,
 524                            "remain_on_chnl: Unknown channel (freq=%u)\n",
 525                            freq);
 526                 return -EINVAL;
 527         }
 528         id = vif->last_roc_id;
 529         cfg80211_ready_on_channel(&vif->wdev, id, chan,
 530                                   dur, GFP_ATOMIC);
 531
 532         return 0;
 533 }
 534
 535 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
 536                                                      u8 *datap, int len,
 537                                                      struct ath6kl_vif *vif)
 538 {
 539         struct wmi_cancel_remain_on_chnl_event *ev;
 540         u32 freq;
 541         u32 dur;
 542         struct ieee80211_channel *chan;
 543         struct ath6kl *ar = wmi->parent_dev;
 544         u32 id;
 545
 546         if (len < sizeof(*ev))
 547                 return -EINVAL;
 548
 549         ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
 550         freq = le32_to_cpu(ev->freq);
 551         dur = le32_to_cpu(ev->duration);
 552         ath6kl_dbg(ATH6KL_DBG_WMI,
 553                    "cancel_remain_on_chnl: freq=%u dur=%u status=%u\n",
 554                    freq, dur, ev->status);
 555         chan = ieee80211_get_channel(ar->wiphy, freq);
 556         if (!chan) {
 557                 ath6kl_dbg(ATH6KL_DBG_WMI,
 558                            "cancel_remain_on_chnl: Unknown channel (freq=%u)\n",
 559                            freq);
 560                 return -EINVAL;
 561         }
 562         if (vif->last_cancel_roc_id &&
 563             vif->last_cancel_roc_id + 1 == vif->last_roc_id)
 564                 id = vif->last_cancel_roc_id; /* event for cancel command */
 565         else
 566                 id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
 567         vif->last_cancel_roc_id = 0;
 568         cfg80211_remain_on_channel_expired(&vif->wdev, id, chan, GFP_ATOMIC);
 569
 570         return 0;
 571 }
 572
 573 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
 574                                          struct ath6kl_vif *vif)
 575 {
 576         struct wmi_tx_status_event *ev;
 577         u32 id;
 578
 579         if (len < sizeof(*ev))
 580                 return -EINVAL;
 581
 582         ev = (struct wmi_tx_status_event *) datap;
 583         id = le32_to_cpu(ev->id);
 584         ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
 585                    id, ev->ack_status);
 586         if (wmi->last_mgmt_tx_frame) {
 587                 cfg80211_mgmt_tx_status(&vif->wdev, id,
 588                                         wmi->last_mgmt_tx_frame,
 589                                         wmi->last_mgmt_tx_frame_len,
 590                                         !!ev->ack_status, GFP_ATOMIC);
 591                 kfree(wmi->last_mgmt_tx_frame);
 592                 wmi->last_mgmt_tx_frame = NULL;
 593                 wmi->last_mgmt_tx_frame_len = 0;
 594         }
 595
 596         return 0;
 597 }
 598
 599 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
 600                                             struct ath6kl_vif *vif)
 601 {
 602         struct wmi_p2p_rx_probe_req_event *ev;
 603         u32 freq;
 604         u16 dlen;
 605
 606         if (len < sizeof(*ev))
 607                 return -EINVAL;
 608
 609         ev = (struct wmi_p2p_rx_probe_req_event *) datap;
 610         freq = le32_to_cpu(ev->freq);
 611         dlen = le16_to_cpu(ev->len);
 612         if (datap + len < ev->data + dlen) {
 613                 ath6kl_err("invalid wmi_p2p_rx_probe_req_event: len=%d dlen=%u\n",
 614                            len, dlen);
 615                 return -EINVAL;
 616         }
 617         ath6kl_dbg(ATH6KL_DBG_WMI,
 618                    "rx_probe_req: len=%u freq=%u probe_req_report=%d\n",
 619                    dlen, freq, vif->probe_req_report);
 620
 621         if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
 622                 cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0);
 623
 624         return 0;
 625 }
 626
 627 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
 628 {
 629         struct wmi_p2p_capabilities_event *ev;
 630         u16 dlen;
 631
 632         if (len < sizeof(*ev))
 633                 return -EINVAL;
 634
 635         ev = (struct wmi_p2p_capabilities_event *) datap;
 636         dlen = le16_to_cpu(ev->len);
 637         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
 638
 639         return 0;
 640 }
 641
 642 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 643                                          struct ath6kl_vif *vif)
 644 {
 645         struct wmi_rx_action_event *ev;
 646         u32 freq;
 647         u16 dlen;
 648
 649         if (len < sizeof(*ev))
 650                 return -EINVAL;
 651
 652         ev = (struct wmi_rx_action_event *) datap;
 653         freq = le32_to_cpu(ev->freq);
 654         dlen = le16_to_cpu(ev->len);
 655         if (datap + len < ev->data + dlen) {
 656                 ath6kl_err("invalid wmi_rx_action_event: len=%d dlen=%u\n",
 657                            len, dlen);
 658                 return -EINVAL;
 659         }
 660         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
 661         cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0);
 662
 663         return 0;
 664 }
 665
 666 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
 667 {
 668         struct wmi_p2p_info_event *ev;
 669         u32 flags;
 670         u16 dlen;
 671
 672         if (len < sizeof(*ev))
 673                 return -EINVAL;
 674
 675         ev = (struct wmi_p2p_info_event *) datap;
 676         flags = le32_to_cpu(ev->info_req_flags);
 677         dlen = le16_to_cpu(ev->len);
 678         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
 679
 680         if (flags & P2P_FLAG_CAPABILITIES_REQ) {
 681                 struct wmi_p2p_capabilities *cap;
 682                 if (dlen < sizeof(*cap))
 683                         return -EINVAL;
 684                 cap = (struct wmi_p2p_capabilities *) ev->data;
 685                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
 686                            cap->go_power_save);
 687         }
 688
 689         if (flags & P2P_FLAG_MACADDR_REQ) {
 690                 struct wmi_p2p_macaddr *mac;
 691                 if (dlen < sizeof(*mac))
 692                         return -EINVAL;
 693                 mac = (struct wmi_p2p_macaddr *) ev->data;
 694                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
 695                            mac->mac_addr);
 696         }
 697
 698         if (flags & P2P_FLAG_HMODEL_REQ) {
 699                 struct wmi_p2p_hmodel *mod;
 700                 if (dlen < sizeof(*mod))
 701                         return -EINVAL;
 702                 mod = (struct wmi_p2p_hmodel *) ev->data;
 703                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
 704                            mod->p2p_model,
 705                            mod->p2p_model ? "host" : "firmware");
 706         }
 707         return 0;
 708 }
 709
 710 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
 711 {
 712         struct sk_buff *skb;
 713
 714         skb = ath6kl_buf_alloc(size);
 715         if (!skb)
 716                 return NULL;
 717
 718         skb_put(skb, size);
 719         if (size)
 720                 memset(skb->data, 0, size);
 721
 722         return skb;
 723 }
 724
 725 /* Send a "simple" wmi command -- one with no arguments */
 726 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
 727                                  enum wmi_cmd_id cmd_id)
 728 {
 729         struct sk_buff *skb;
 730         int ret;
 731
 732         skb = ath6kl_wmi_get_new_buf(0);
 733         if (!skb)
 734                 return -ENOMEM;
 735
 736         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
 737
 738         return ret;
 739 }
 740
 741 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
 742 {
 743         struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
 744
 745         if (len < sizeof(struct wmi_ready_event_2))
 746                 return -EINVAL;
 747
 748         ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
 749                            le32_to_cpu(ev->sw_version),
 750                            le32_to_cpu(ev->abi_version), ev->phy_cap);
 751
 752         return 0;
 753 }
 754
 755 /*
 756  * Mechanism to modify the roaming behavior in the firmware. The lower rssi
 757  * at which the station has to roam can be passed with
 758  * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
 759  * in dBm.
 760  */
 761 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
 762 {
 763         struct sk_buff *skb;
 764         struct roam_ctrl_cmd *cmd;
 765
 766         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 767         if (!skb)
 768                 return -ENOMEM;
 769
 770         cmd = (struct roam_ctrl_cmd *) skb->data;
 771
 772         cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
 773         cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
 774                                                        DEF_SCAN_FOR_ROAM_INTVL);
 775         cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
 776         cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
 777         cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
 778
 779         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 780                             NO_SYNC_WMIFLAG);
 781 }
 782
 783 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
 784 {
 785         struct sk_buff *skb;
 786         struct roam_ctrl_cmd *cmd;
 787
 788         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 789         if (!skb)
 790                 return -ENOMEM;
 791
 792         cmd = (struct roam_ctrl_cmd *) skb->data;
 793
 794         memcpy(cmd->info.bssid, bssid, ETH_ALEN);
 795         cmd->roam_ctrl = WMI_FORCE_ROAM;
 796
 797         ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
 798         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 799                                    NO_SYNC_WMIFLAG);
 800 }
 801
 802 int ath6kl_wmi_ap_set_beacon_intvl_cmd(struct wmi *wmi, u8 if_idx,
 803                                        u32 beacon_intvl)
 804 {
 805         struct sk_buff *skb;
 806         struct set_beacon_int_cmd *cmd;
 807
 808         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 809         if (!skb)
 810                 return -ENOMEM;
 811
 812         cmd = (struct set_beacon_int_cmd *) skb->data;
 813
 814         cmd->beacon_intvl = cpu_to_le32(beacon_intvl);
 815         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 816                                    WMI_SET_BEACON_INT_CMDID, NO_SYNC_WMIFLAG);
 817 }
 818
 819 int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period)
 820 {
 821         struct sk_buff *skb;
 822         struct set_dtim_cmd *cmd;
 823
 824         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 825         if (!skb)
 826                 return -ENOMEM;
 827
 828         cmd = (struct set_dtim_cmd *) skb->data;
 829
 830         cmd->dtim_period = cpu_to_le32(dtim_period);
 831         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 832                                    WMI_AP_SET_DTIM_CMDID, NO_SYNC_WMIFLAG);
 833 }
 834
 835 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 836 {
 837         struct sk_buff *skb;
 838         struct roam_ctrl_cmd *cmd;
 839
 840         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 841         if (!skb)
 842                 return -ENOMEM;
 843
 844         cmd = (struct roam_ctrl_cmd *) skb->data;
 845
 846         cmd->info.roam_mode = mode;
 847         cmd->roam_ctrl = WMI_SET_ROAM_MODE;
 848
 849         ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
 850         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 851                                    NO_SYNC_WMIFLAG);
 852 }
 853
 854 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
 855                                        struct ath6kl_vif *vif)
 856 {
 857         struct wmi_connect_event *ev;
 858         u8 *pie, *peie;
 859
 860         if (len < sizeof(struct wmi_connect_event))
 861                 return -EINVAL;
 862
 863         ev = (struct wmi_connect_event *) datap;
 864
 865         if (vif->nw_type == AP_NETWORK) {
 866                 /* AP mode start/STA connected event */
 867                 struct net_device *dev = vif->ndev;
 868                 if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
 869                         ath6kl_dbg(ATH6KL_DBG_WMI,
 870                                    "%s: freq %d bssid %pM (AP started)\n",
 871                                    __func__, le16_to_cpu(ev->u.ap_bss.ch),
 872                                    ev->u.ap_bss.bssid);
 873                         ath6kl_connect_ap_mode_bss(
 874                                 vif, le16_to_cpu(ev->u.ap_bss.ch));
 875                 } else {
 876                         ath6kl_dbg(ATH6KL_DBG_WMI,
 877                                    "%s: aid %u mac_addr %pM auth=%u keymgmt=%u cipher=%u apsd_info=%u (STA connected)\n",
 878                                    __func__, ev->u.ap_sta.aid,
 879                                    ev->u.ap_sta.mac_addr,
 880                                    ev->u.ap_sta.auth,
 881                                    ev->u.ap_sta.keymgmt,
 882                                    le16_to_cpu(ev->u.ap_sta.cipher),
 883                                    ev->u.ap_sta.apsd_info);
 884
 885                         ath6kl_connect_ap_mode_sta(
 886                                 vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
 887                                 ev->u.ap_sta.keymgmt,
 888                                 le16_to_cpu(ev->u.ap_sta.cipher),
 889                                 ev->u.ap_sta.auth, ev->assoc_req_len,
 890                                 ev->assoc_info + ev->beacon_ie_len,
 891                                 ev->u.ap_sta.apsd_info);
 892                 }
 893                 return 0;
 894         }
 895
 896         /* STA/IBSS mode connection event */
 897
 898         ath6kl_dbg(ATH6KL_DBG_WMI,
 899                    "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
 900                    le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
 901                    le16_to_cpu(ev->u.sta.listen_intvl),
 902                    le16_to_cpu(ev->u.sta.beacon_intvl),
 903                    le32_to_cpu(ev->u.sta.nw_type));
 904
 905         /* Start of assoc rsp IEs */
 906         pie = ev->assoc_info + ev->beacon_ie_len +
 907               ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
 908
 909         /* End of assoc rsp IEs */
 910         peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
 911             ev->assoc_resp_len;
 912
 913         while (pie < peie) {
 914                 switch (*pie) {
 915                 case WLAN_EID_VENDOR_SPECIFIC:
 916                         if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
 917                             pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
 918                                 /* WMM OUT (00:50:F2) */
 919                                 if (pie[1] > 5 &&
 920                                     pie[6] == WMM_PARAM_OUI_SUBTYPE)
 921                                         wmi->is_wmm_enabled = true;
 922                         }
 923                         break;
 924                 }
 925
 926                 if (wmi->is_wmm_enabled)
 927                         break;
 928
 929                 pie += pie[1] + 2;
 930         }
 931
 932         ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
 933                              ev->u.sta.bssid,
 934                              le16_to_cpu(ev->u.sta.listen_intvl),
 935                              le16_to_cpu(ev->u.sta.beacon_intvl),
 936                              le32_to_cpu(ev->u.sta.nw_type),
 937                              ev->beacon_ie_len, ev->assoc_req_len,
 938                              ev->assoc_resp_len, ev->assoc_info);
 939
 940         return 0;
 941 }
 942
 943 static struct country_code_to_enum_rd *
 944 ath6kl_regd_find_country(u16 countryCode)
 945 {
 946         int i;
 947
 948         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 949                 if (allCountries[i].countryCode == countryCode)
 950                         return &allCountries[i];
 951         }
 952
 953         return NULL;
 954 }
 955
 956 static struct reg_dmn_pair_mapping *
 957 ath6kl_get_regpair(u16 regdmn)
 958 {
 959         int i;
 960
 961         if (regdmn == NO_ENUMRD)
 962                 return NULL;
 963
 964         for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
 965                 if (regDomainPairs[i].reg_domain == regdmn)
 966                         return &regDomainPairs[i];
 967         }
 968
 969         return NULL;
 970 }
 971
 972 static struct country_code_to_enum_rd *
 973 ath6kl_regd_find_country_by_rd(u16 regdmn)
 974 {
 975         int i;
 976
 977         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 978                 if (allCountries[i].regDmnEnum == regdmn)
 979                         return &allCountries[i];
 980         }
 981
 982         return NULL;
 983 }
 984
 985 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 986 {
 987         struct ath6kl_wmi_regdomain *ev;
 988         struct country_code_to_enum_rd *country = NULL;
 989         struct reg_dmn_pair_mapping *regpair = NULL;
 990         char alpha2[2];
 991         u32 reg_code;
 992
 993         ev = (struct ath6kl_wmi_regdomain *) datap;
 994         reg_code = le32_to_cpu(ev->reg_code);
 995
 996         if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG) {
 997                 country = ath6kl_regd_find_country((u16) reg_code);
 998         } else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
 999                 regpair = ath6kl_get_regpair((u16) reg_code);
1000                 country = ath6kl_regd_find_country_by_rd((u16) reg_code);
1001                 if (regpair)
1002                         ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
1003                                    regpair->reg_domain);
1004                 else
1005                         ath6kl_warn("Regpair not found reg_code 0x%0x\n",
1006                                     reg_code);
1007         }
1008
1009         if (country && wmi->parent_dev->wiphy_registered) {
1010                 alpha2[0] = country->isoName[0];
1011                 alpha2[1] = country->isoName[1];
1012
1013                 regulatory_hint(wmi->parent_dev->wiphy, alpha2);
1014
1015                 ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
1016                            alpha2[0], alpha2[1]);
1017         }
1018 }
1019
1020 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
1021                                           struct ath6kl_vif *vif)
1022 {
1023         struct wmi_disconnect_event *ev;
1024         wmi->traffic_class = 100;
1025
1026         if (len < sizeof(struct wmi_disconnect_event))
1027                 return -EINVAL;
1028
1029         ev = (struct wmi_disconnect_event *) datap;
1030
1031         ath6kl_dbg(ATH6KL_DBG_WMI,
1032                    "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
1033                    le16_to_cpu(ev->proto_reason_status), ev->bssid,
1034                    ev->disconn_reason, ev->assoc_resp_len);
1035
1036         wmi->is_wmm_enabled = false;
1037
1038         ath6kl_disconnect_event(vif, ev->disconn_reason,
1039                                 ev->bssid, ev->assoc_resp_len, ev->assoc_info,
1040                                 le16_to_cpu(ev->proto_reason_status));
1041
1042         return 0;
1043 }
1044
1045 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
1046 {
1047         struct wmi_peer_node_event *ev;
1048
1049         if (len < sizeof(struct wmi_peer_node_event))
1050                 return -EINVAL;
1051
1052         ev = (struct wmi_peer_node_event *) datap;
1053
1054         if (ev->event_code == PEER_NODE_JOIN_EVENT)
1055                 ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
1056                            ev->peer_mac_addr);
1057         else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
1058                 ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
1059                            ev->peer_mac_addr);
1060
1061         return 0;
1062 }
1063
1064 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
1065                                            struct ath6kl_vif *vif)
1066 {
1067         struct wmi_tkip_micerr_event *ev;
1068
1069         if (len < sizeof(struct wmi_tkip_micerr_event))
1070                 return -EINVAL;
1071
1072         ev = (struct wmi_tkip_micerr_event *) datap;
1073
1074         ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
1075
1076         return 0;
1077 }
1078
1079 void ath6kl_wmi_sscan_timer(struct timer_list *t)
1080 {
1081         struct ath6kl_vif *vif = from_timer(vif, t, sched_scan_timer);
1082
1083         cfg80211_sched_scan_results(vif->ar->wiphy, 0);
1084 }
1085
1086 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
1087                                        struct ath6kl_vif *vif)
1088 {
1089         struct wmi_bss_info_hdr2 *bih;
1090         u8 *buf;
1091         struct ieee80211_channel *channel;
1092         struct ath6kl *ar = wmi->parent_dev;
1093         struct cfg80211_bss *bss;
1094
1095         if (len <= sizeof(struct wmi_bss_info_hdr2))
1096                 return -EINVAL;
1097
1098         bih = (struct wmi_bss_info_hdr2 *) datap;
1099         buf = datap + sizeof(struct wmi_bss_info_hdr2);
1100         len -= sizeof(struct wmi_bss_info_hdr2);
1101
1102         ath6kl_dbg(ATH6KL_DBG_WMI,
1103                    "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1104                    "frame_type=%d\n",
1105                    bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1106                    bih->frame_type);
1107
1108         if (bih->frame_type != BEACON_FTYPE &&
1109             bih->frame_type != PROBERESP_FTYPE)
1110                 return 0; /* Only update BSS table for now */
1111
1112         if (bih->frame_type == BEACON_FTYPE &&
1113             test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1114                 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1115                 ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1116                                          NONE_BSS_FILTER, 0);
1117         }
1118
1119         channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1120         if (channel == NULL)
1121                 return -EINVAL;
1122
1123         if (len < 8 + 2 + 2)
1124                 return -EINVAL;
1125
1126         if (bih->frame_type == BEACON_FTYPE &&
1127             test_bit(CONNECTED, &vif->flags) &&
1128             memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1129                 const u8 *tim;
1130                 tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1131                                        len - 8 - 2 - 2);
1132                 if (tim && tim[1] >= 2) {
1133                         vif->assoc_bss_dtim_period = tim[3];
1134                         set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1135                 }
1136         }
1137
1138         bss = cfg80211_inform_bss(ar->wiphy, channel,
1139                                   bih->frame_type == BEACON_FTYPE ?
1140                                         CFG80211_BSS_FTYPE_BEACON :
1141                                         CFG80211_BSS_FTYPE_PRESP,
1142                                   bih->bssid, get_unaligned_le64((__le64 *)buf),
1143                                   get_unaligned_le16(((__le16 *)buf) + 5),
1144                                   get_unaligned_le16(((__le16 *)buf) + 4),
1145                                   buf + 8 + 2 + 2, len - 8 - 2 - 2,
1146                                   (bih->snr - 95) * 100, GFP_ATOMIC);
1147         if (bss == NULL)
1148                 return -ENOMEM;
1149         cfg80211_put_bss(ar->wiphy, bss);
1150
1151         /*
1152          * Firmware doesn't return any event when scheduled scan has
1153          * finished, so we need to use a timer to find out when there are
1154          * no more results.
1155          *
1156          * The timer is started from the first bss info received, otherwise
1157          * the timer would not ever fire if the scan interval is short
1158          * enough.
1159          */
1160         if (test_bit(SCHED_SCANNING, &vif->flags) &&
1161             !timer_pending(&vif->sched_scan_timer)) {
1162                 mod_timer(&vif->sched_scan_timer, jiffies +
1163                           msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1164         }
1165
1166         return 0;
1167 }
1168
1169 /* Inactivity timeout of a fatpipe(pstream) at the target */
1170 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1171                                                int len)
1172 {
1173         struct wmi_pstream_timeout_event *ev;
1174
1175         if (len < sizeof(struct wmi_pstream_timeout_event))
1176                 return -EINVAL;
1177
1178         ev = (struct wmi_pstream_timeout_event *) datap;
1179         if (ev->traffic_class >= WMM_NUM_AC) {
1180                 ath6kl_err("invalid traffic class: %d\n", ev->traffic_class);
1181                 return -EINVAL;
1182         }
1183
1184         /*
1185          * When the pstream (fat pipe == AC) timesout, it means there were
1186          * no thinStreams within this pstream & it got implicitly created
1187          * due to data flow on this AC. We start the inactivity timer only
1188          * for implicitly created pstream. Just reset the host state.
1189          */
1190         spin_lock_bh(&wmi->lock);
1191         wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1192         wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1193         spin_unlock_bh(&wmi->lock);
1194
1195         /* Indicate inactivity to driver layer for this fatpipe (pstream) */
1196         ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1197
1198         return 0;
1199 }
1200
1201 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1202 {
1203         struct wmi_bit_rate_reply *reply;
1204         u32 index;
1205
1206         if (len < sizeof(struct wmi_bit_rate_reply))
1207                 return -EINVAL;
1208
1209         reply = (struct wmi_bit_rate_reply *) datap;
1210
1211         ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1212
1213         if (reply->rate_index != (s8) RATE_AUTO) {
1214                 index = reply->rate_index & 0x7f;
1215                 if (WARN_ON_ONCE(index > (RATE_MCS_7_40 + 1)))
1216                         return -EINVAL;
1217         }
1218
1219         ath6kl_wakeup_event(wmi->parent_dev);
1220
1221         return 0;
1222 }
1223
1224 static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1225 {
1226         ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1227
1228         return 0;
1229 }
1230
1231 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1232 {
1233         if (len < sizeof(struct wmi_fix_rates_reply))
1234                 return -EINVAL;
1235
1236         ath6kl_wakeup_event(wmi->parent_dev);
1237
1238         return 0;
1239 }
1240
1241 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1242 {
1243         if (len < sizeof(struct wmi_channel_list_reply))
1244                 return -EINVAL;
1245
1246         ath6kl_wakeup_event(wmi->parent_dev);
1247
1248         return 0;
1249 }
1250
1251 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1252 {
1253         struct wmi_tx_pwr_reply *reply;
1254
1255         if (len < sizeof(struct wmi_tx_pwr_reply))
1256                 return -EINVAL;
1257
1258         reply = (struct wmi_tx_pwr_reply *) datap;
1259         ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1260
1261         return 0;
1262 }
1263
1264 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1265 {
1266         if (len < sizeof(struct wmi_get_keepalive_cmd))
1267                 return -EINVAL;
1268
1269         ath6kl_wakeup_event(wmi->parent_dev);
1270
1271         return 0;
1272 }
1273
1274 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1275                                        struct ath6kl_vif *vif)
1276 {
1277         struct wmi_scan_complete_event *ev;
1278
1279         ev = (struct wmi_scan_complete_event *) datap;
1280
1281         ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1282         wmi->is_probe_ssid = false;
1283
1284         return 0;
1285 }
1286
1287 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1288                                                int len, struct ath6kl_vif *vif)
1289 {
1290         struct wmi_neighbor_report_event *ev;
1291         u8 i;
1292
1293         if (len < sizeof(*ev))
1294                 return -EINVAL;
1295         ev = (struct wmi_neighbor_report_event *) datap;
1296         if (struct_size(ev, neighbor, ev->num_neighbors) > len) {
1297                 ath6kl_dbg(ATH6KL_DBG_WMI,
1298                            "truncated neighbor event (num=%d len=%d)\n",
1299                            ev->num_neighbors, len);
1300                 return -EINVAL;
1301         }
1302         for (i = 0; i < ev->num_neighbors; i++) {
1303                 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1304                            i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1305                            ev->neighbor[i].bss_flags);
1306                 cfg80211_pmksa_candidate_notify(vif->ndev, i,
1307                                                 ev->neighbor[i].bssid,
1308                                                 !!(ev->neighbor[i].bss_flags &
1309                                                    WMI_PREAUTH_CAPABLE_BSS),
1310                                                 GFP_ATOMIC);
1311         }
1312
1313         return 0;
1314 }
1315
1316 /*
1317  * Target is reporting a programming error.  This is for
1318  * developer aid only.  Target only checks a few common violations
1319  * and it is responsibility of host to do all error checking.
1320  * Behavior of target after wmi error event is undefined.
1321  * A reset is recommended.
1322  */
1323 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1324 {
1325         const char *type = "unknown error";
1326         struct wmi_cmd_error_event *ev;
1327         ev = (struct wmi_cmd_error_event *) datap;
1328
1329         switch (ev->err_code) {
1330         case INVALID_PARAM:
1331                 type = "invalid parameter";
1332                 break;
1333         case ILLEGAL_STATE:
1334                 type = "invalid state";
1335                 break;
1336         case INTERNAL_ERROR:
1337                 type = "internal error";
1338                 break;
1339         }
1340
1341         ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1342                    ev->cmd_id, type);
1343
1344         return 0;
1345 }
1346
1347 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1348                                      struct ath6kl_vif *vif)
1349 {
1350         ath6kl_tgt_stats_event(vif, datap, len);
1351
1352         return 0;
1353 }
1354
1355 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1356                                          struct sq_threshold_params *sq_thresh,
1357                                          u32 size)
1358 {
1359         u32 index;
1360         u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1361
1362         /* The list is already in sorted order. Get the next lower value */
1363         for (index = 0; index < size; index++) {
1364                 if (rssi < sq_thresh->upper_threshold[index]) {
1365                         threshold = (u8) sq_thresh->upper_threshold[index];
1366                         break;
1367                 }
1368         }
1369
1370         return threshold;
1371 }
1372
1373 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1374                                          struct sq_threshold_params *sq_thresh,
1375                                          u32 size)
1376 {
1377         u32 index;
1378         u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1379
1380         /* The list is already in sorted order. Get the next lower value */
1381         for (index = 0; index < size; index++) {
1382                 if (rssi > sq_thresh->lower_threshold[index]) {
1383                         threshold = (u8) sq_thresh->lower_threshold[index];
1384                         break;
1385                 }
1386         }
1387
1388         return threshold;
1389 }
1390
1391 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1392                         struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1393 {
1394         struct sk_buff *skb;
1395         struct wmi_rssi_threshold_params_cmd *cmd;
1396
1397         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1398         if (!skb)
1399                 return -ENOMEM;
1400
1401         cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1402         memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1403
1404         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1405                                    NO_SYNC_WMIFLAG);
1406 }
1407
1408 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1409                                               int len)
1410 {
1411         struct wmi_rssi_threshold_event *reply;
1412         struct wmi_rssi_threshold_params_cmd cmd;
1413         struct sq_threshold_params *sq_thresh;
1414         enum wmi_rssi_threshold_val new_threshold;
1415         u8 upper_rssi_threshold, lower_rssi_threshold;
1416         s16 rssi;
1417         int ret;
1418
1419         if (len < sizeof(struct wmi_rssi_threshold_event))
1420                 return -EINVAL;
1421
1422         reply = (struct wmi_rssi_threshold_event *) datap;
1423         new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1424         rssi = a_sle16_to_cpu(reply->rssi);
1425
1426         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1427
1428         /*
1429          * Identify the threshold breached and communicate that to the app.
1430          * After that install a new set of thresholds based on the signal
1431          * quality reported by the target
1432          */
1433         if (new_threshold) {
1434                 /* Upper threshold breached */
1435                 if (rssi < sq_thresh->upper_threshold[0]) {
1436                         ath6kl_dbg(ATH6KL_DBG_WMI,
1437                                    "spurious upper rssi threshold event: %d\n",
1438                                    rssi);
1439                 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1440                            (rssi >= sq_thresh->upper_threshold[0])) {
1441                         new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1442                 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1443                            (rssi >= sq_thresh->upper_threshold[1])) {
1444                         new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1445                 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1446                            (rssi >= sq_thresh->upper_threshold[2])) {
1447                         new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1448                 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1449                            (rssi >= sq_thresh->upper_threshold[3])) {
1450                         new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1451                 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1452                            (rssi >= sq_thresh->upper_threshold[4])) {
1453                         new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1454                 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1455                         new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1456                 }
1457         } else {
1458                 /* Lower threshold breached */
1459                 if (rssi > sq_thresh->lower_threshold[0]) {
1460                         ath6kl_dbg(ATH6KL_DBG_WMI,
1461                                    "spurious lower rssi threshold event: %d %d\n",
1462                                 rssi, sq_thresh->lower_threshold[0]);
1463                 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1464                            (rssi <= sq_thresh->lower_threshold[0])) {
1465                         new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1466                 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1467                            (rssi <= sq_thresh->lower_threshold[1])) {
1468                         new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1469                 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1470                            (rssi <= sq_thresh->lower_threshold[2])) {
1471                         new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1472                 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1473                            (rssi <= sq_thresh->lower_threshold[3])) {
1474                         new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1475                 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1476                            (rssi <= sq_thresh->lower_threshold[4])) {
1477                         new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1478                 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1479                         new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1480                 }
1481         }
1482
1483         /* Calculate and install the next set of thresholds */
1484         lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1485                                        sq_thresh->lower_threshold_valid_count);
1486         upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1487                                        sq_thresh->upper_threshold_valid_count);
1488
1489         /* Issue a wmi command to install the thresholds */
1490         cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1491         cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1492         cmd.weight = sq_thresh->weight;
1493         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1494
1495         ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1496         if (ret) {
1497                 ath6kl_err("unable to configure rssi thresholds\n");
1498                 return -EIO;
1499         }
1500
1501         return 0;
1502 }
1503
1504 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1505                                    struct ath6kl_vif *vif)
1506 {
1507         struct wmi_cac_event *reply;
1508         struct ieee80211_tspec_ie *ts;
1509         u16 active_tsids, tsinfo;
1510         u8 tsid, index;
1511         u8 ts_id;
1512
1513         if (len < sizeof(struct wmi_cac_event))
1514                 return -EINVAL;
1515
1516         reply = (struct wmi_cac_event *) datap;
1517         if (reply->ac >= WMM_NUM_AC) {
1518                 ath6kl_err("invalid AC: %d\n", reply->ac);
1519                 return -EINVAL;
1520         }
1521
1522         if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1523             (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1524                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1525                 tsinfo = le16_to_cpu(ts->tsinfo);
1526                 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1527                         IEEE80211_WMM_IE_TSPEC_TID_MASK;
1528
1529                 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1530                                               reply->ac, tsid);
1531         } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1532                 /*
1533                  * Following assumes that there is only one outstanding
1534                  * ADDTS request when this event is received
1535                  */
1536                 spin_lock_bh(&wmi->lock);
1537                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1538                 spin_unlock_bh(&wmi->lock);
1539
1540                 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1541                         if ((active_tsids >> index) & 1)
1542                                 break;
1543                 }
1544                 if (index < (sizeof(active_tsids) * 8))
1545                         ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1546                                                       reply->ac, index);
1547         }
1548
1549         /*
1550          * Clear active tsids and Add missing handling
1551          * for delete qos stream from AP
1552          */
1553         else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1554                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1555                 tsinfo = le16_to_cpu(ts->tsinfo);
1556                 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1557                          IEEE80211_WMM_IE_TSPEC_TID_MASK);
1558
1559                 spin_lock_bh(&wmi->lock);
1560                 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1561                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1562                 spin_unlock_bh(&wmi->lock);
1563
1564                 /* Indicate stream inactivity to driver layer only if all tsids
1565                  * within this AC are deleted.
1566                  */
1567                 if (!active_tsids) {
1568                         ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1569                                                     false);
1570                         wmi->fat_pipe_exist &= ~(1 << reply->ac);
1571                 }
1572         }
1573
1574         return 0;
1575 }
1576
1577 static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,
1578                                           struct ath6kl_vif *vif)
1579 {
1580         struct wmi_txe_notify_event *ev;
1581         u32 rate, pkts;
1582
1583         if (len < sizeof(*ev))
1584                 return -EINVAL;
1585
1586         if (vif->nw_type != INFRA_NETWORK ||
1587             !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY,
1588                       vif->ar->fw_capabilities))
1589                 return -EOPNOTSUPP;
1590
1591         if (vif->sme_state != SME_CONNECTED)
1592                 return -ENOTCONN;
1593
1594         ev = (struct wmi_txe_notify_event *) datap;
1595         rate = le32_to_cpu(ev->rate);
1596         pkts = le32_to_cpu(ev->pkts);
1597
1598         ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d%% pkts %d intvl %ds\n",
1599                    vif->bssid, rate, pkts, vif->txe_intvl);
1600
1601         cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,
1602                                 rate, vif->txe_intvl, GFP_KERNEL);
1603
1604         return 0;
1605 }
1606
1607 int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
1608                               u32 rate, u32 pkts, u32 intvl)
1609 {
1610         struct sk_buff *skb;
1611         struct wmi_txe_notify_cmd *cmd;
1612
1613         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1614         if (!skb)
1615                 return -ENOMEM;
1616
1617         cmd = (struct wmi_txe_notify_cmd *) skb->data;
1618         cmd->rate = cpu_to_le32(rate);
1619         cmd->pkts = cpu_to_le32(pkts);
1620         cmd->intvl = cpu_to_le32(intvl);
1621
1622         return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,
1623                                    NO_SYNC_WMIFLAG);
1624 }
1625
1626 int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
1627 {
1628         struct sk_buff *skb;
1629         struct wmi_set_rssi_filter_cmd *cmd;
1630         int ret;
1631
1632         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1633         if (!skb)
1634                 return -ENOMEM;
1635
1636         cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
1637         cmd->rssi = rssi;
1638
1639         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,
1640                                   NO_SYNC_WMIFLAG);
1641         return ret;
1642 }
1643
1644 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1645                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1646 {
1647         struct sk_buff *skb;
1648         struct wmi_snr_threshold_params_cmd *cmd;
1649
1650         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1651         if (!skb)
1652                 return -ENOMEM;
1653
1654         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1655         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1656
1657         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1658                                    NO_SYNC_WMIFLAG);
1659 }
1660
1661 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1662                                              int len)
1663 {
1664         struct wmi_snr_threshold_event *reply;
1665         struct sq_threshold_params *sq_thresh;
1666         struct wmi_snr_threshold_params_cmd cmd;
1667         enum wmi_snr_threshold_val new_threshold;
1668         u8 upper_snr_threshold, lower_snr_threshold;
1669         s16 snr;
1670         int ret;
1671
1672         if (len < sizeof(struct wmi_snr_threshold_event))
1673                 return -EINVAL;
1674
1675         reply = (struct wmi_snr_threshold_event *) datap;
1676
1677         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1678         snr = reply->snr;
1679
1680         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1681
1682         /*
1683          * Identify the threshold breached and communicate that to the app.
1684          * After that install a new set of thresholds based on the signal
1685          * quality reported by the target.
1686          */
1687         if (new_threshold) {
1688                 /* Upper threshold breached */
1689                 if (snr < sq_thresh->upper_threshold[0]) {
1690                         ath6kl_dbg(ATH6KL_DBG_WMI,
1691                                    "spurious upper snr threshold event: %d\n",
1692                                    snr);
1693                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1694                            (snr >= sq_thresh->upper_threshold[0])) {
1695                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1696                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1697                            (snr >= sq_thresh->upper_threshold[1])) {
1698                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1699                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1700                            (snr >= sq_thresh->upper_threshold[2])) {
1701                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1702                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1703                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1704                 }
1705         } else {
1706                 /* Lower threshold breached */
1707                 if (snr > sq_thresh->lower_threshold[0]) {
1708                         ath6kl_dbg(ATH6KL_DBG_WMI,
1709                                    "spurious lower snr threshold event: %d\n",
1710                                    sq_thresh->lower_threshold[0]);
1711                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1712                            (snr <= sq_thresh->lower_threshold[0])) {
1713                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1714                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1715                            (snr <= sq_thresh->lower_threshold[1])) {
1716                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1717                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1718                            (snr <= sq_thresh->lower_threshold[2])) {
1719                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1720                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1721                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1722                 }
1723         }
1724
1725         /* Calculate and install the next set of thresholds */
1726         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1727                                        sq_thresh->lower_threshold_valid_count);
1728         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1729                                        sq_thresh->upper_threshold_valid_count);
1730
1731         /* Issue a wmi command to install the thresholds */
1732         cmd.thresh_above1_val = upper_snr_threshold;
1733         cmd.thresh_below1_val = lower_snr_threshold;
1734         cmd.weight = sq_thresh->weight;
1735         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1736
1737         ath6kl_dbg(ATH6KL_DBG_WMI,
1738                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1739                    snr, new_threshold,
1740                    lower_snr_threshold, upper_snr_threshold);
1741
1742         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1743         if (ret) {
1744                 ath6kl_err("unable to configure snr threshold\n");
1745                 return -EIO;
1746         }
1747
1748         return 0;
1749 }
1750
1751 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1752 {
1753         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1754         struct wmi_ap_info_v1 *ap_info_v1;
1755         u8 index;
1756
1757         if (len < sizeof(struct wmi_aplist_event) ||
1758             ev->ap_list_ver != APLIST_VER1)
1759                 return -EINVAL;
1760
1761         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1762
1763         ath6kl_dbg(ATH6KL_DBG_WMI,
1764                    "number of APs in aplist event: %d\n", ev->num_ap);
1765
1766         if (len < struct_size(ev, ap_list, ev->num_ap))
1767                 return -EINVAL;
1768
1769         /* AP list version 1 contents */
1770         for (index = 0; index < ev->num_ap; index++) {
1771                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1772                            index, ap_info_v1->bssid, ap_info_v1->channel);
1773                 ap_info_v1++;
1774         }
1775
1776         return 0;
1777 }
1778
1779 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1780                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1781 {
1782         struct wmi_cmd_hdr *cmd_hdr;
1783         enum htc_endpoint_id ep_id = wmi->ep_id;
1784         int ret;
1785         u16 info1;
1786
1787         if (WARN_ON(skb == NULL ||
1788                     (if_idx > (wmi->parent_dev->vif_max - 1)))) {
1789                 dev_kfree_skb(skb);
1790                 return -EINVAL;
1791         }
1792
1793         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1794                    cmd_id, skb->len, sync_flag);
1795         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1796                         skb->data, skb->len);
1797
1798         if (sync_flag >= END_WMIFLAG) {
1799                 dev_kfree_skb(skb);
1800                 return -EINVAL;
1801         }
1802
1803         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1804             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1805                 /*
1806                  * Make sure all data currently queued is transmitted before
1807                  * the cmd execution.  Establish a new sync point.
1808                  */
1809                 ath6kl_wmi_sync_point(wmi, if_idx);
1810         }
1811
1812         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1813
1814         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1815         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1816         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1817         cmd_hdr->info1 = cpu_to_le16(info1);
1818
1819         /* Only for OPT_TX_CMD, use BE endpoint. */
1820         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1821                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE, false,
1822                                 WMI_DATA_HDR_DATA_TYPE_802_3, 0, NULL, if_idx);
1823                 if (ret) {
1824                         dev_kfree_skb(skb);
1825                         return ret;
1826                 }
1827                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1828         }
1829
1830         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1831
1832         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1833             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1834                 /*
1835                  * Make sure all new data queued waits for the command to
1836                  * execute. Establish a new sync point.
1837                  */
1838                 ath6kl_wmi_sync_point(wmi, if_idx);
1839         }
1840
1841         return 0;
1842 }
1843
1844 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1845                            enum network_type nw_type,
1846                            enum dot11_auth_mode dot11_auth_mode,
1847                            enum auth_mode auth_mode,
1848                            enum ath6kl_crypto_type pairwise_crypto,
1849                            u8 pairwise_crypto_len,
1850                            enum ath6kl_crypto_type group_crypto,
1851                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1852                            u8 *bssid, u16 channel, u32 ctrl_flags,
1853                            u8 nw_subtype)
1854 {
1855         struct sk_buff *skb;
1856         struct wmi_connect_cmd *cc;
1857         int ret;
1858
1859         ath6kl_dbg(ATH6KL_DBG_WMI,
1860                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1861                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1862                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1863                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1864         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1865
1866         wmi->traffic_class = 100;
1867
1868         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1869                 return -EINVAL;
1870
1871         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1872                 return -EINVAL;
1873
1874         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1875         if (!skb)
1876                 return -ENOMEM;
1877
1878         cc = (struct wmi_connect_cmd *) skb->data;
1879
1880         if (ssid_len)
1881                 memcpy(cc->ssid, ssid, ssid_len);
1882
1883         cc->ssid_len = ssid_len;
1884         cc->nw_type = nw_type;
1885         cc->dot11_auth_mode = dot11_auth_mode;
1886         cc->auth_mode = auth_mode;
1887         cc->prwise_crypto_type = pairwise_crypto;
1888         cc->prwise_crypto_len = pairwise_crypto_len;
1889         cc->grp_crypto_type = group_crypto;
1890         cc->grp_crypto_len = group_crypto_len;
1891         cc->ch = cpu_to_le16(channel);
1892         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1893         cc->nw_subtype = nw_subtype;
1894
1895         if (bssid != NULL)
1896                 memcpy(cc->bssid, bssid, ETH_ALEN);
1897
1898         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1899                                   NO_SYNC_WMIFLAG);
1900
1901         return ret;
1902 }
1903
1904 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1905                              u16 channel)
1906 {
1907         struct sk_buff *skb;
1908         struct wmi_reconnect_cmd *cc;
1909         int ret;
1910
1911         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1912                    bssid, channel);
1913
1914         wmi->traffic_class = 100;
1915
1916         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1917         if (!skb)
1918                 return -ENOMEM;
1919
1920         cc = (struct wmi_reconnect_cmd *) skb->data;
1921         cc->channel = cpu_to_le16(channel);
1922
1923         if (bssid != NULL)
1924                 memcpy(cc->bssid, bssid, ETH_ALEN);
1925
1926         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1927                                   NO_SYNC_WMIFLAG);
1928
1929         return ret;
1930 }
1931
1932 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1933 {
1934         int ret;
1935
1936         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1937
1938         wmi->traffic_class = 100;
1939
1940         /* Disconnect command does not need to do a SYNC before. */
1941         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1942
1943         return ret;
1944 }
1945
1946 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1947  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1948  * mgmt operations using station interface.
1949  */
1950 static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1951                                     enum wmi_scan_type scan_type,
1952                                     u32 force_fgscan, u32 is_legacy,
1953                                     u32 home_dwell_time,
1954                                     u32 force_scan_interval,
1955                                     s8 num_chan, u16 *ch_list)
1956 {
1957         struct sk_buff *skb;
1958         struct wmi_start_scan_cmd *sc;
1959         int i, ret;
1960
1961         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1962                 return -EINVAL;
1963
1964         if (num_chan > WMI_MAX_CHANNELS)
1965                 return -EINVAL;
1966
1967         skb = ath6kl_wmi_get_new_buf(struct_size(sc, ch_list, num_chan));
1968         if (!skb)
1969                 return -ENOMEM;
1970
1971         sc = (struct wmi_start_scan_cmd *) skb->data;
1972         sc->scan_type = scan_type;
1973         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1974         sc->is_legacy = cpu_to_le32(is_legacy);
1975         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1976         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1977         sc->num_ch = num_chan;
1978
1979         for (i = 0; i < num_chan; i++)
1980                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1981
1982         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1983                                   NO_SYNC_WMIFLAG);
1984
1985         return ret;
1986 }
1987
1988 /*
1989  * beginscan supports (compared to old startscan) P2P mgmt operations using
1990  * station interface, send additional information like supported rates to
1991  * advertise and xmit rates for probe requests
1992  */
1993 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1994                              enum wmi_scan_type scan_type,
1995                              u32 force_fgscan, u32 is_legacy,
1996                              u32 home_dwell_time, u32 force_scan_interval,
1997                              s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
1998 {
1999         struct ieee80211_supported_band *sband;
2000         struct sk_buff *skb;
2001         struct wmi_begin_scan_cmd *sc;
2002         s8 *supp_rates;
2003         int i, band, ret;
2004         struct ath6kl *ar = wmi->parent_dev;
2005         int num_rates;
2006         u32 ratemask;
2007
2008         if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
2009                       ar->fw_capabilities)) {
2010                 return ath6kl_wmi_startscan_cmd(wmi, if_idx,
2011                                                 scan_type, force_fgscan,
2012                                                 is_legacy, home_dwell_time,
2013                                                 force_scan_interval,
2014                                                 num_chan, ch_list);
2015         }
2016
2017         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
2018                 return -EINVAL;
2019
2020         if (num_chan > WMI_MAX_CHANNELS)
2021                 return -EINVAL;
2022
2023         skb = ath6kl_wmi_get_new_buf(struct_size(sc, ch_list, num_chan));
2024         if (!skb)
2025                 return -ENOMEM;
2026
2027         sc = (struct wmi_begin_scan_cmd *) skb->data;
2028         sc->scan_type = scan_type;
2029         sc->force_fg_scan = cpu_to_le32(force_fgscan);
2030         sc->is_legacy = cpu_to_le32(is_legacy);
2031         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
2032         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
2033         sc->no_cck = cpu_to_le32(no_cck);
2034         sc->num_ch = num_chan;
2035
2036         for (band = 0; band < NUM_NL80211_BANDS; band++) {
2037                 sband = ar->wiphy->bands[band];
2038
2039                 if (!sband)
2040                         continue;
2041
2042                 if (WARN_ON(band >= ATH6KL_NUM_BANDS))
2043                         break;
2044
2045                 ratemask = rates[band];
2046                 supp_rates = sc->supp_rates[band].rates;
2047                 num_rates = 0;
2048
2049                 for (i = 0; i < sband->n_bitrates; i++) {
2050                         if ((BIT(i) & ratemask) == 0)
2051                                 continue; /* skip rate */
2052                         supp_rates[num_rates++] =
2053                             (u8) (sband->bitrates[i].bitrate / 5);
2054                 }
2055                 sc->supp_rates[band].nrates = num_rates;
2056         }
2057
2058         for (i = 0; i < num_chan; i++)
2059                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2060
2061         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
2062                                   NO_SYNC_WMIFLAG);
2063
2064         return ret;
2065 }
2066
2067 int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2068 {
2069         struct sk_buff *skb;
2070         struct wmi_enable_sched_scan_cmd *sc;
2071         int ret;
2072
2073         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2074         if (!skb)
2075                 return -ENOMEM;
2076
2077         ath6kl_dbg(ATH6KL_DBG_WMI, "%s scheduled scan on vif %d\n",
2078                    enable ? "enabling" : "disabling", if_idx);
2079         sc = (struct wmi_enable_sched_scan_cmd *) skb->data;
2080         sc->enable = enable ? 1 : 0;
2081
2082         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2083                                   WMI_ENABLE_SCHED_SCAN_CMDID,
2084                                   NO_SYNC_WMIFLAG);
2085         return ret;
2086 }
2087
2088 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
2089                               u16 fg_start_sec,
2090                               u16 fg_end_sec, u16 bg_sec,
2091                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
2092                               u16 pas_chdw_msec, u8 short_scan_ratio,
2093                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
2094                               u16 maxact_scan_per_ssid)
2095 {
2096         struct sk_buff *skb;
2097         struct wmi_scan_params_cmd *sc;
2098         int ret;
2099
2100         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2101         if (!skb)
2102                 return -ENOMEM;
2103
2104         sc = (struct wmi_scan_params_cmd *) skb->data;
2105         sc->fg_start_period = cpu_to_le16(fg_start_sec);
2106         sc->fg_end_period = cpu_to_le16(fg_end_sec);
2107         sc->bg_period = cpu_to_le16(bg_sec);
2108         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
2109         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
2110         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
2111         sc->short_scan_ratio = short_scan_ratio;
2112         sc->scan_ctrl_flags = scan_ctrl_flag;
2113         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
2114         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
2115
2116         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
2117                                   NO_SYNC_WMIFLAG);
2118         return ret;
2119 }
2120
2121 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
2122 {
2123         struct sk_buff *skb;
2124         struct wmi_bss_filter_cmd *cmd;
2125         int ret;
2126
2127         if (filter >= LAST_BSS_FILTER)
2128                 return -EINVAL;
2129
2130         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2131         if (!skb)
2132                 return -ENOMEM;
2133
2134         cmd = (struct wmi_bss_filter_cmd *) skb->data;
2135         cmd->bss_filter = filter;
2136         cmd->ie_mask = cpu_to_le32(ie_mask);
2137
2138         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
2139                                   NO_SYNC_WMIFLAG);
2140         return ret;
2141 }
2142
2143 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2144                               u8 ssid_len, u8 *ssid)
2145 {
2146         struct sk_buff *skb;
2147         struct wmi_probed_ssid_cmd *cmd;
2148         int ret;
2149
2150         if (index >= MAX_PROBED_SSIDS)
2151                 return -EINVAL;
2152
2153         if (ssid_len > sizeof(cmd->ssid))
2154                 return -EINVAL;
2155
2156         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2157                 return -EINVAL;
2158
2159         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2160                 return -EINVAL;
2161
2162         if (flag & SPECIFIC_SSID_FLAG)
2163                 wmi->is_probe_ssid = true;
2164
2165         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2166         if (!skb)
2167                 return -ENOMEM;
2168
2169         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2170         cmd->entry_index = index;
2171         cmd->flag = flag;
2172         cmd->ssid_len = ssid_len;
2173         memcpy(cmd->ssid, ssid, ssid_len);
2174
2175         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2176                                   NO_SYNC_WMIFLAG);
2177         return ret;
2178 }
2179
2180 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2181                                   u16 listen_interval,
2182                                   u16 listen_beacons)
2183 {
2184         struct sk_buff *skb;
2185         struct wmi_listen_int_cmd *cmd;
2186         int ret;
2187
2188         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2189         if (!skb)
2190                 return -ENOMEM;
2191
2192         cmd = (struct wmi_listen_int_cmd *) skb->data;
2193         cmd->listen_intvl = cpu_to_le16(listen_interval);
2194         cmd->num_beacons = cpu_to_le16(listen_beacons);
2195
2196         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2197                                   NO_SYNC_WMIFLAG);
2198         return ret;
2199 }
2200
2201 int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2202                              u16 bmiss_time, u16 num_beacons)
2203 {
2204         struct sk_buff *skb;
2205         struct wmi_bmiss_time_cmd *cmd;
2206         int ret;
2207
2208         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2209         if (!skb)
2210                 return -ENOMEM;
2211
2212         cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2213         cmd->bmiss_time = cpu_to_le16(bmiss_time);
2214         cmd->num_beacons = cpu_to_le16(num_beacons);
2215
2216         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2217                                   NO_SYNC_WMIFLAG);
2218         return ret;
2219 }
2220
2221 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2222 {
2223         struct sk_buff *skb;
2224         struct wmi_power_mode_cmd *cmd;
2225         int ret;
2226
2227         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2228         if (!skb)
2229                 return -ENOMEM;
2230
2231         cmd = (struct wmi_power_mode_cmd *) skb->data;
2232         cmd->pwr_mode = pwr_mode;
2233         wmi->pwr_mode = pwr_mode;
2234
2235         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2236                                   NO_SYNC_WMIFLAG);
2237         return ret;
2238 }
2239
2240 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2241                             u16 ps_poll_num, u16 dtim_policy,
2242                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2243                             u16 ps_fail_event_policy)
2244 {
2245         struct sk_buff *skb;
2246         struct wmi_power_params_cmd *pm;
2247         int ret;
2248
2249         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2250         if (!skb)
2251                 return -ENOMEM;
2252
2253         pm = (struct wmi_power_params_cmd *)skb->data;
2254         pm->idle_period = cpu_to_le16(idle_period);
2255         pm->pspoll_number = cpu_to_le16(ps_poll_num);
2256         pm->dtim_policy = cpu_to_le16(dtim_policy);
2257         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2258         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2259         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2260
2261         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2262                                   NO_SYNC_WMIFLAG);
2263         return ret;
2264 }
2265
2266 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2267 {
2268         struct sk_buff *skb;
2269         struct wmi_disc_timeout_cmd *cmd;
2270         int ret;
2271
2272         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2273         if (!skb)
2274                 return -ENOMEM;
2275
2276         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2277         cmd->discon_timeout = timeout;
2278
2279         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2280                                   NO_SYNC_WMIFLAG);
2281
2282         if (ret == 0)
2283                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2284
2285         return ret;
2286 }
2287
2288 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2289                           enum ath6kl_crypto_type key_type,
2290                           u8 key_usage, u8 key_len,
2291                           u8 *key_rsc, unsigned int key_rsc_len,
2292                           u8 *key_material,
2293                           u8 key_op_ctrl, u8 *mac_addr,
2294                           enum wmi_sync_flag sync_flag)
2295 {
2296         struct sk_buff *skb;
2297         struct wmi_add_cipher_key_cmd *cmd;
2298         int ret;
2299
2300         ath6kl_dbg(ATH6KL_DBG_WMI,
2301                    "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2302                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2303
2304         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2305             (key_material == NULL) || key_rsc_len > 8)
2306                 return -EINVAL;
2307
2308         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2309                 return -EINVAL;
2310
2311         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2312         if (!skb)
2313                 return -ENOMEM;
2314
2315         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2316         cmd->key_index = key_index;
2317         cmd->key_type = key_type;
2318         cmd->key_usage = key_usage;
2319         cmd->key_len = key_len;
2320         memcpy(cmd->key, key_material, key_len);
2321
2322         if (key_rsc != NULL)
2323                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2324
2325         cmd->key_op_ctrl = key_op_ctrl;
2326
2327         if (mac_addr)
2328                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2329
2330         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2331                                   sync_flag);
2332
2333         return ret;
2334 }
2335
2336 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, const u8 *krk)
2337 {
2338         struct sk_buff *skb;
2339         struct wmi_add_krk_cmd *cmd;
2340         int ret;
2341
2342         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2343         if (!skb)
2344                 return -ENOMEM;
2345
2346         cmd = (struct wmi_add_krk_cmd *) skb->data;
2347         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2348
2349         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2350                                   NO_SYNC_WMIFLAG);
2351
2352         return ret;
2353 }
2354
2355 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2356 {
2357         struct sk_buff *skb;
2358         struct wmi_delete_cipher_key_cmd *cmd;
2359         int ret;
2360
2361         if (key_index > WMI_MAX_KEY_INDEX)
2362                 return -EINVAL;
2363
2364         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2365         if (!skb)
2366                 return -ENOMEM;
2367
2368         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2369         cmd->key_index = key_index;
2370
2371         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2372                                   NO_SYNC_WMIFLAG);
2373
2374         return ret;
2375 }
2376
2377 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2378                             const u8 *pmkid, bool set)
2379 {
2380         struct sk_buff *skb;
2381         struct wmi_setpmkid_cmd *cmd;
2382         int ret;
2383
2384         if (bssid == NULL)
2385                 return -EINVAL;
2386
2387         if (set && pmkid == NULL)
2388                 return -EINVAL;
2389
2390         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2391         if (!skb)
2392                 return -ENOMEM;
2393
2394         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2395         memcpy(cmd->bssid, bssid, ETH_ALEN);
2396         if (set) {
2397                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2398                 cmd->enable = PMKID_ENABLE;
2399         } else {
2400                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2401                 cmd->enable = PMKID_DISABLE;
2402         }
2403
2404         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2405                                   NO_SYNC_WMIFLAG);
2406
2407         return ret;
2408 }
2409
2410 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2411                               enum htc_endpoint_id ep_id, u8 if_idx)
2412 {
2413         struct wmi_data_hdr *data_hdr;
2414         int ret;
2415
2416         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {
2417                 dev_kfree_skb(skb);
2418                 return -EINVAL;
2419         }
2420
2421         skb_push(skb, sizeof(struct wmi_data_hdr));
2422
2423         data_hdr = (struct wmi_data_hdr *) skb->data;
2424         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2425         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2426
2427         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2428
2429         return ret;
2430 }
2431
2432 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2433 {
2434         struct sk_buff *skb;
2435         struct wmi_sync_cmd *cmd;
2436         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2437         enum htc_endpoint_id ep_id;
2438         u8 index, num_pri_streams = 0;
2439         int ret = 0;
2440
2441         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2442
2443         spin_lock_bh(&wmi->lock);
2444
2445         for (index = 0; index < WMM_NUM_AC; index++) {
2446                 if (wmi->fat_pipe_exist & (1 << index)) {
2447                         num_pri_streams++;
2448                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2449                             index;
2450                 }
2451         }
2452
2453         spin_unlock_bh(&wmi->lock);
2454
2455         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2456         if (!skb)
2457                 return -ENOMEM;
2458
2459         cmd = (struct wmi_sync_cmd *) skb->data;
2460
2461         /*
2462          * In the SYNC cmd sent on the control Ep, send a bitmap
2463          * of the data eps on which the Data Sync will be sent
2464          */
2465         cmd->data_sync_map = wmi->fat_pipe_exist;
2466
2467         for (index = 0; index < num_pri_streams; index++) {
2468                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2469                 if (data_sync_bufs[index].skb == NULL) {
2470                         ret = -ENOMEM;
2471                         break;
2472                 }
2473         }
2474
2475         /*
2476          * If buffer allocation for any of the dataSync fails,
2477          * then do not send the Synchronize cmd on the control ep
2478          */
2479         if (ret)
2480                 goto free_cmd_skb;
2481
2482         /*
2483          * Send sync cmd followed by sync data messages on all
2484          * endpoints being used
2485          */
2486         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2487                                   NO_SYNC_WMIFLAG);
2488
2489         if (ret)
2490                 goto free_data_skb;
2491
2492         for (index = 0; index < num_pri_streams; index++) {
2493                 if (WARN_ON(!data_sync_bufs[index].skb)) {
2494                         ret = -ENOMEM;
2495                         goto free_data_skb;
2496                 }
2497
2498                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2499                                                data_sync_bufs[index].
2500                                                traffic_class);
2501                 ret =
2502                     ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2503                                               ep_id, if_idx);
2504
2505                 data_sync_bufs[index].skb = NULL;
2506
2507                 if (ret)
2508                         goto free_data_skb;
2509         }
2510
2511         return 0;
2512
2513 free_cmd_skb:
2514         /* free up any resources left over (possibly due to an error) */
2515         dev_kfree_skb(skb);
2516
2517 free_data_skb:
2518         for (index = 0; index < num_pri_streams; index++)
2519                 dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].skb);
2520
2521         return ret;
2522 }
2523
2524 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2525                                   struct wmi_create_pstream_cmd *params)
2526 {
2527         struct sk_buff *skb;
2528         struct wmi_create_pstream_cmd *cmd;
2529         u8 fatpipe_exist_for_ac = 0;
2530         s32 min_phy = 0;
2531         s32 nominal_phy = 0;
2532         int ret;
2533
2534         if (!((params->user_pri <= 0x7) &&
2535               (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2536               (params->traffic_direc == UPLINK_TRAFFIC ||
2537                params->traffic_direc == DNLINK_TRAFFIC ||
2538                params->traffic_direc == BIDIR_TRAFFIC) &&
2539               (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2540                params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2541               (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2542                params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2543                params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2544               (params->tsid == WMI_IMPLICIT_PSTREAM ||
2545                params->tsid <= WMI_MAX_THINSTREAM))) {
2546                 return -EINVAL;
2547         }
2548
2549         /*
2550          * Check nominal PHY rate is >= minimalPHY,
2551          * so that DUT can allow TSRS IE
2552          */
2553
2554         /* Get the physical rate (units of bps) */
2555         min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2556
2557         /* Check minimal phy < nominal phy rate */
2558         if (params->nominal_phy >= min_phy) {
2559                 /* unit of 500 kbps */
2560                 nominal_phy = (params->nominal_phy * 1000) / 500;
2561                 ath6kl_dbg(ATH6KL_DBG_WMI,
2562                            "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2563                            min_phy, nominal_phy);
2564
2565                 params->nominal_phy = nominal_phy;
2566         } else {
2567                 params->nominal_phy = 0;
2568         }
2569
2570         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2571         if (!skb)
2572                 return -ENOMEM;
2573
2574         ath6kl_dbg(ATH6KL_DBG_WMI,
2575                    "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2576                    params->traffic_class, params->tsid);
2577
2578         cmd = (struct wmi_create_pstream_cmd *) skb->data;
2579         memcpy(cmd, params, sizeof(*cmd));
2580
2581         /* This is an implicitly created Fat pipe */
2582         if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2583                 spin_lock_bh(&wmi->lock);
2584                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2585                                         (1 << params->traffic_class));
2586                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2587                 spin_unlock_bh(&wmi->lock);
2588         } else {
2589                 /* explicitly created thin stream within a fat pipe */
2590                 spin_lock_bh(&wmi->lock);
2591                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2592                                         (1 << params->traffic_class));
2593                 wmi->stream_exist_for_ac[params->traffic_class] |=
2594                     (1 << params->tsid);
2595                 /*
2596                  * If a thinstream becomes active, the fat pipe automatically
2597                  * becomes active
2598                  */
2599                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2600                 spin_unlock_bh(&wmi->lock);
2601         }
2602
2603         /*
2604          * Indicate activty change to driver layer only if this is the
2605          * first TSID to get created in this AC explicitly or an implicit
2606          * fat pipe is getting created.
2607          */
2608         if (!fatpipe_exist_for_ac)
2609                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2610                                             params->traffic_class, true);
2611
2612         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2613                                   NO_SYNC_WMIFLAG);
2614         return ret;
2615 }
2616
2617 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2618                                   u8 tsid)
2619 {
2620         struct sk_buff *skb;
2621         struct wmi_delete_pstream_cmd *cmd;
2622         u16 active_tsids = 0;
2623         int ret;
2624
2625         if (traffic_class >= WMM_NUM_AC) {
2626                 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2627                 return -EINVAL;
2628         }
2629
2630         if (tsid >= 16) {
2631                 ath6kl_err("invalid tsid: %d\n", tsid);
2632                 return -EINVAL;
2633         }
2634
2635         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2636         if (!skb)
2637                 return -ENOMEM;
2638
2639         cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2640         cmd->traffic_class = traffic_class;
2641         cmd->tsid = tsid;
2642
2643         spin_lock_bh(&wmi->lock);
2644         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2645         spin_unlock_bh(&wmi->lock);
2646
2647         if (!(active_tsids & (1 << tsid))) {
2648                 dev_kfree_skb(skb);
2649                 ath6kl_dbg(ATH6KL_DBG_WMI,
2650                            "TSID %d doesn't exist for traffic class: %d\n",
2651                            tsid, traffic_class);
2652                 return -ENODATA;
2653         }
2654
2655         ath6kl_dbg(ATH6KL_DBG_WMI,
2656                    "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2657                    traffic_class, tsid);
2658
2659         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2660                                   SYNC_BEFORE_WMIFLAG);
2661
2662         spin_lock_bh(&wmi->lock);
2663         wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2664         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2665         spin_unlock_bh(&wmi->lock);
2666
2667         /*
2668          * Indicate stream inactivity to driver layer only if all tsids
2669          * within this AC are deleted.
2670          */
2671         if (!active_tsids) {
2672                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2673                                             traffic_class, false);
2674                 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2675         }
2676
2677         return ret;
2678 }
2679
2680 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2681                           __be32 ips0, __be32 ips1)
2682 {
2683         struct sk_buff *skb;
2684         struct wmi_set_ip_cmd *cmd;
2685         int ret;
2686
2687         /* Multicast address are not valid */
2688         if (ipv4_is_multicast(ips0) ||
2689             ipv4_is_multicast(ips1))
2690                 return -EINVAL;
2691
2692         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2693         if (!skb)
2694                 return -ENOMEM;
2695
2696         cmd = (struct wmi_set_ip_cmd *) skb->data;
2697         cmd->ips[0] = ips0;
2698         cmd->ips[1] = ips1;
2699
2700         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2701                                   NO_SYNC_WMIFLAG);
2702         return ret;
2703 }
2704
2705 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2706 {
2707         u16 active_tsids;
2708         u8 stream_exist;
2709         int i;
2710
2711         /*
2712          * Relinquish credits from all implicitly created pstreams
2713          * since when we go to sleep. If user created explicit
2714          * thinstreams exists with in a fatpipe leave them intact
2715          * for the user to delete.
2716          */
2717         spin_lock_bh(&wmi->lock);
2718         stream_exist = wmi->fat_pipe_exist;
2719         spin_unlock_bh(&wmi->lock);
2720
2721         for (i = 0; i < WMM_NUM_AC; i++) {
2722                 if (stream_exist & (1 << i)) {
2723                         /*
2724                          * FIXME: Is this lock & unlock inside
2725                          * for loop correct? may need rework.
2726                          */
2727                         spin_lock_bh(&wmi->lock);
2728                         active_tsids = wmi->stream_exist_for_ac[i];
2729                         spin_unlock_bh(&wmi->lock);
2730
2731                         /*
2732                          * If there are no user created thin streams
2733                          * delete the fatpipe
2734                          */
2735                         if (!active_tsids) {
2736                                 stream_exist &= ~(1 << i);
2737                                 /*
2738                                  * Indicate inactivity to driver layer for
2739                                  * this fatpipe (pstream)
2740                                  */
2741                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2742                                                             i, false);
2743                         }
2744                 }
2745         }
2746
2747         /* FIXME: Can we do this assignment without locking ? */
2748         spin_lock_bh(&wmi->lock);
2749         wmi->fat_pipe_exist = stream_exist;
2750         spin_unlock_bh(&wmi->lock);
2751 }
2752
2753 static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2754                                      const struct cfg80211_bitrate_mask *mask)
2755 {
2756         struct sk_buff *skb;
2757         int ret, mode, band;
2758         u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2759         struct wmi_set_tx_select_rates64_cmd *cmd;
2760
2761         memset(&ratemask, 0, sizeof(ratemask));
2762
2763         /* only check 2.4 and 5 GHz bands, skip the rest */
2764         for (band = 0; band <= NL80211_BAND_5GHZ; band++) {
2765                 /* copy legacy rate mask */
2766                 ratemask[band] = mask->control[band].legacy;
2767                 if (band == NL80211_BAND_5GHZ)
2768                         ratemask[band] =
2769                                 mask->control[band].legacy << 4;
2770
2771                 /* copy mcs rate mask */
2772                 mcsrate = mask->control[band].ht_mcs[1];
2773                 mcsrate <<= 8;
2774                 mcsrate |= mask->control[band].ht_mcs[0];
2775                 ratemask[band] |= mcsrate << 12;
2776                 ratemask[band] |= mcsrate << 28;
2777         }
2778
2779         ath6kl_dbg(ATH6KL_DBG_WMI,
2780                    "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2781                    ratemask[0], ratemask[1]);
2782
2783         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2784         if (!skb)
2785                 return -ENOMEM;
2786
2787         cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2788         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2789                 /* A mode operate in 5GHZ band */
2790                 if (mode == WMI_RATES_MODE_11A ||
2791                     mode == WMI_RATES_MODE_11A_HT20 ||
2792                     mode == WMI_RATES_MODE_11A_HT40)
2793                         band = NL80211_BAND_5GHZ;
2794                 else
2795                         band = NL80211_BAND_2GHZ;
2796                 cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2797         }
2798
2799         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2800                                   WMI_SET_TX_SELECT_RATES_CMDID,
2801                                   NO_SYNC_WMIFLAG);
2802         return ret;
2803 }
2804
2805 static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2806                                      const struct cfg80211_bitrate_mask *mask)
2807 {
2808         struct sk_buff *skb;
2809         int ret, mode, band;
2810         u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2811         struct wmi_set_tx_select_rates32_cmd *cmd;
2812
2813         memset(&ratemask, 0, sizeof(ratemask));
2814
2815         /* only check 2.4 and 5 GHz bands, skip the rest */
2816         for (band = 0; band <= NL80211_BAND_5GHZ; band++) {
2817                 /* copy legacy rate mask */
2818                 ratemask[band] = mask->control[band].legacy;
2819                 if (band == NL80211_BAND_5GHZ)
2820                         ratemask[band] =
2821                                 mask->control[band].legacy << 4;
2822
2823                 /* copy mcs rate mask */
2824                 mcsrate = mask->control[band].ht_mcs[0];
2825                 ratemask[band] |= mcsrate << 12;
2826                 ratemask[band] |= mcsrate << 20;
2827         }
2828
2829         ath6kl_dbg(ATH6KL_DBG_WMI,
2830                    "Ratemask 32 bit: 2.4:%x 5:%x\n",
2831                    ratemask[0], ratemask[1]);
2832
2833         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2834         if (!skb)
2835                 return -ENOMEM;
2836
2837         cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2838         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2839                 /* A mode operate in 5GHZ band */
2840                 if (mode == WMI_RATES_MODE_11A ||
2841                     mode == WMI_RATES_MODE_11A_HT20 ||
2842                     mode == WMI_RATES_MODE_11A_HT40)
2843                         band = NL80211_BAND_5GHZ;
2844                 else
2845                         band = NL80211_BAND_2GHZ;
2846                 cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2847         }
2848
2849         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2850                                   WMI_SET_TX_SELECT_RATES_CMDID,
2851                                   NO_SYNC_WMIFLAG);
2852         return ret;
2853 }
2854
2855 int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2856                                 const struct cfg80211_bitrate_mask *mask)
2857 {
2858         struct ath6kl *ar = wmi->parent_dev;
2859
2860         if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
2861                      ar->fw_capabilities))
2862                 return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
2863         else
2864                 return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
2865 }
2866
2867 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2868                                        enum ath6kl_host_mode host_mode)
2869 {
2870         struct sk_buff *skb;
2871         struct wmi_set_host_sleep_mode_cmd *cmd;
2872         int ret;
2873
2874         if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2875             (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2876                 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2877                 return -EINVAL;
2878         }
2879
2880         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2881         if (!skb)
2882                 return -ENOMEM;
2883
2884         cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2885
2886         if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2887                 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2888                 cmd->asleep = cpu_to_le32(1);
2889         } else {
2890                 cmd->awake = cpu_to_le32(1);
2891         }
2892
2893         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2894                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2895                                   NO_SYNC_WMIFLAG);
2896         return ret;
2897 }
2898
2899 /* This command has zero length payload */
2900 static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2901                                                       struct ath6kl_vif *vif)
2902 {
2903         struct ath6kl *ar = wmi->parent_dev;
2904
2905         set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2906         wake_up(&ar->event_wq);
2907
2908         return 0;
2909 }
2910
2911 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2912                                 enum ath6kl_wow_mode wow_mode,
2913                                 u32 filter, u16 host_req_delay)
2914 {
2915         struct sk_buff *skb;
2916         struct wmi_set_wow_mode_cmd *cmd;
2917         int ret;
2918
2919         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2920             wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2921                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2922                 return -EINVAL;
2923         }
2924
2925         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2926         if (!skb)
2927                 return -ENOMEM;
2928
2929         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2930         cmd->enable_wow = cpu_to_le32(wow_mode);
2931         cmd->filter = cpu_to_le32(filter);
2932         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2933
2934         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2935                                   NO_SYNC_WMIFLAG);
2936         return ret;
2937 }
2938
2939 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2940                                    u8 list_id, u8 filter_size,
2941                                    u8 filter_offset, const u8 *filter,
2942                                    const u8 *mask)
2943 {
2944         struct sk_buff *skb;
2945         struct wmi_add_wow_pattern_cmd *cmd;
2946         u16 size;
2947         u8 *filter_mask;
2948         int ret;
2949
2950         /*
2951          * Allocate additional memory in the buffer to hold
2952          * filter and mask value, which is twice of filter_size.
2953          */
2954         size = sizeof(*cmd) + (2 * filter_size);
2955
2956         skb = ath6kl_wmi_get_new_buf(size);
2957         if (!skb)
2958                 return -ENOMEM;
2959
2960         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2961         cmd->filter_list_id = list_id;
2962         cmd->filter_size = filter_size;
2963         cmd->filter_offset = filter_offset;
2964
2965         memcpy(cmd->filter, filter, filter_size);
2966
2967         filter_mask = (u8 *) (cmd->filter + filter_size);
2968         memcpy(filter_mask, mask, filter_size);
2969
2970         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2971                                   NO_SYNC_WMIFLAG);
2972
2973         return ret;
2974 }
2975
2976 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2977                                    u16 list_id, u16 filter_id)
2978 {
2979         struct sk_buff *skb;
2980         struct wmi_del_wow_pattern_cmd *cmd;
2981         int ret;
2982
2983         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2984         if (!skb)
2985                 return -ENOMEM;
2986
2987         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2988         cmd->filter_list_id = cpu_to_le16(list_id);
2989         cmd->filter_id = cpu_to_le16(filter_id);
2990
2991         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2992                                   NO_SYNC_WMIFLAG);
2993         return ret;
2994 }
2995
2996 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2997                                     enum wmix_command_id cmd_id,
2998                                     enum wmi_sync_flag sync_flag)
2999 {
3000         struct wmix_cmd_hdr *cmd_hdr;
3001         int ret;
3002
3003         skb_push(skb, sizeof(struct wmix_cmd_hdr));
3004
3005         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
3006         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
3007
3008         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
3009
3010         return ret;
3011 }
3012
3013 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
3014 {
3015         struct sk_buff *skb;
3016         struct wmix_hb_challenge_resp_cmd *cmd;
3017         int ret;
3018
3019         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3020         if (!skb)
3021                 return -ENOMEM;
3022
3023         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
3024         cmd->cookie = cpu_to_le32(cookie);
3025         cmd->source = cpu_to_le32(source);
3026
3027         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
3028                                        NO_SYNC_WMIFLAG);
3029         return ret;
3030 }
3031
3032 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
3033 {
3034         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
3035         struct sk_buff *skb;
3036         int ret;
3037
3038         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3039         if (!skb)
3040                 return -ENOMEM;
3041
3042         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
3043         cmd->valid = cpu_to_le32(valid);
3044         cmd->config = cpu_to_le32(config);
3045
3046         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
3047                                        NO_SYNC_WMIFLAG);
3048         return ret;
3049 }
3050
3051 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
3052 {
3053         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
3054 }
3055
3056 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
3057 {
3058         struct sk_buff *skb;
3059         struct wmi_set_tx_pwr_cmd *cmd;
3060         int ret;
3061
3062         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
3063         if (!skb)
3064                 return -ENOMEM;
3065
3066         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
3067         cmd->dbM = dbM;
3068
3069         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
3070                                   NO_SYNC_WMIFLAG);
3071
3072         return ret;
3073 }
3074
3075 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
3076 {
3077         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
3078 }
3079
3080 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
3081 {
3082         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
3083 }
3084
3085 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
3086                                  u8 preamble_policy)
3087 {
3088         struct sk_buff *skb;
3089         struct wmi_set_lpreamble_cmd *cmd;
3090         int ret;
3091
3092         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
3093         if (!skb)
3094                 return -ENOMEM;
3095
3096         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
3097         cmd->status = status;
3098         cmd->preamble_policy = preamble_policy;
3099
3100         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
3101                                   NO_SYNC_WMIFLAG);
3102         return ret;
3103 }
3104
3105 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
3106 {
3107         struct sk_buff *skb;
3108         struct wmi_set_rts_cmd *cmd;
3109         int ret;
3110
3111         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
3112         if (!skb)
3113                 return -ENOMEM;
3114
3115         cmd = (struct wmi_set_rts_cmd *) skb->data;
3116         cmd->threshold = cpu_to_le16(threshold);
3117
3118         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
3119                                   NO_SYNC_WMIFLAG);
3120         return ret;
3121 }
3122
3123 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
3124 {
3125         struct sk_buff *skb;
3126         struct wmi_set_wmm_txop_cmd *cmd;
3127         int ret;
3128
3129         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
3130                 return -EINVAL;
3131
3132         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
3133         if (!skb)
3134                 return -ENOMEM;
3135
3136         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
3137         cmd->txop_enable = cfg;
3138
3139         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
3140                                   NO_SYNC_WMIFLAG);
3141         return ret;
3142 }
3143
3144 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3145                                  u8 keep_alive_intvl)
3146 {
3147         struct sk_buff *skb;
3148         struct wmi_set_keepalive_cmd *cmd;
3149         int ret;
3150
3151         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3152         if (!skb)
3153                 return -ENOMEM;
3154
3155         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3156         cmd->keep_alive_intvl = keep_alive_intvl;
3157
3158         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
3159                                   NO_SYNC_WMIFLAG);
3160
3161         if (ret == 0)
3162                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
3163
3164         return ret;
3165 }
3166
3167 int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3168                              enum nl80211_band band,
3169                              struct ath6kl_htcap *htcap)
3170 {
3171         struct sk_buff *skb;
3172         struct wmi_set_htcap_cmd *cmd;
3173
3174         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3175         if (!skb)
3176                 return -ENOMEM;
3177
3178         cmd = (struct wmi_set_htcap_cmd *) skb->data;
3179
3180         /*
3181          * NOTE: Band in firmware matches enum nl80211_band, it is unlikely
3182          * this will be changed in firmware. If at all there is any change in
3183          * band value, the host needs to be fixed.
3184          */
3185         cmd->band = band;
3186         cmd->ht_enable = !!htcap->ht_enable;
3187         cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3188         cmd->ht40_supported =
3189                 !!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3190         cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3191         cmd->intolerant_40mhz =
3192                 !!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3193         cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3194
3195         ath6kl_dbg(ATH6KL_DBG_WMI,
3196                    "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3197                    cmd->band, cmd->ht_enable, cmd->ht40_supported,
3198                    cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3199                    cmd->max_ampdu_len_exp);
3200         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
3201                                    NO_SYNC_WMIFLAG);
3202 }
3203
3204 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3205 {
3206         struct sk_buff *skb;
3207         int ret;
3208
3209         skb = ath6kl_wmi_get_new_buf(len);
3210         if (!skb)
3211                 return -ENOMEM;
3212
3213         memcpy(skb->data, buf, len);
3214
3215         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
3216
3217         return ret;
3218 }
3219
3220 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3221 {
3222         struct sk_buff *skb;
3223         struct wmi_mcast_filter_cmd *cmd;
3224         int ret;
3225
3226         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3227         if (!skb)
3228                 return -ENOMEM;
3229
3230         cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3231         cmd->mcast_all_enable = mc_all_on;
3232
3233         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
3234                                   NO_SYNC_WMIFLAG);
3235         return ret;
3236 }
3237
3238 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3239                                         u8 *filter, bool add_filter)
3240 {
3241         struct sk_buff *skb;
3242         struct wmi_mcast_filter_add_del_cmd *cmd;
3243         int ret;
3244
3245         if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3246             (filter[0] != 0x01 || filter[1] != 0x00 ||
3247             filter[2] != 0x5e || filter[3] > 0x7f)) {
3248                 ath6kl_warn("invalid multicast filter address\n");
3249                 return -EINVAL;
3250         }
3251
3252         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3253         if (!skb)
3254                 return -ENOMEM;
3255
3256         cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3257         memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3258         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3259                                   add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3260                                   WMI_DEL_MCAST_FILTER_CMDID,
3261                                   NO_SYNC_WMIFLAG);
3262
3263         return ret;
3264 }
3265
3266 int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3267 {
3268         struct sk_buff *skb;
3269         struct wmi_sta_bmiss_enhance_cmd *cmd;
3270         int ret;
3271
3272         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3273         if (!skb)
3274                 return -ENOMEM;
3275
3276         cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data;
3277         cmd->enable = enhance ? 1 : 0;
3278
3279         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3280                                   WMI_STA_BMISS_ENHANCE_CMDID,
3281                                   NO_SYNC_WMIFLAG);
3282         return ret;
3283 }
3284
3285 int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
3286 {
3287         struct sk_buff *skb;
3288         struct wmi_set_regdomain_cmd *cmd;
3289
3290         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3291         if (!skb)
3292                 return -ENOMEM;
3293
3294         cmd = (struct wmi_set_regdomain_cmd *) skb->data;
3295         memcpy(cmd->iso_name, alpha2, 2);
3296
3297         return ath6kl_wmi_cmd_send(wmi, 0, skb,
3298                                    WMI_SET_REGDOMAIN_CMDID,
3299                                    NO_SYNC_WMIFLAG);
3300 }
3301
3302 s32 ath6kl_wmi_get_rate(struct wmi *wmi, s8 rate_index)
3303 {
3304         struct ath6kl *ar = wmi->parent_dev;
3305         u8 sgi = 0;
3306         s32 ret;
3307
3308         if (rate_index == RATE_AUTO)
3309                 return 0;
3310
3311         /* SGI is stored as the MSB of the rate_index */
3312         if (rate_index & RATE_INDEX_MSB) {
3313                 rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;
3314                 sgi = 1;
3315         }
3316
3317         if (test_bit(ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,
3318                      ar->fw_capabilities)) {
3319                 if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl_mcs15)))
3320                         return 0;
3321
3322                 ret = wmi_rate_tbl_mcs15[(u32) rate_index][sgi];
3323         } else {
3324                 if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl)))
3325                         return 0;
3326
3327                 ret = wmi_rate_tbl[(u32) rate_index][sgi];
3328         }
3329
3330         return ret;
3331 }
3332
3333 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3334                                               u32 len)
3335 {
3336         struct wmi_pmkid_list_reply *reply;
3337         u32 expected_len;
3338
3339         if (len < sizeof(struct wmi_pmkid_list_reply))
3340                 return -EINVAL;
3341
3342         reply = (struct wmi_pmkid_list_reply *)datap;
3343         expected_len = sizeof(reply->num_pmkid) +
3344                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3345
3346         if (len < expected_len)
3347                 return -EINVAL;
3348
3349         return 0;
3350 }
3351
3352 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3353                                          struct ath6kl_vif *vif)
3354 {
3355         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3356
3357         aggr_recv_addba_req_evt(vif, cmd->tid,
3358                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
3359
3360         return 0;
3361 }
3362
3363 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3364                                          struct ath6kl_vif *vif)
3365 {
3366         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3367
3368         aggr_recv_delba_req_evt(vif, cmd->tid);
3369
3370         return 0;
3371 }
3372
3373 /*  AP mode functions */
3374
3375 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3376                                  struct wmi_connect_cmd *p)
3377 {
3378         struct sk_buff *skb;
3379         struct wmi_connect_cmd *cm;
3380         int res;
3381
3382         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3383         if (!skb)
3384                 return -ENOMEM;
3385
3386         cm = (struct wmi_connect_cmd *) skb->data;
3387         memcpy(cm, p, sizeof(*cm));
3388
3389         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3390                                   NO_SYNC_WMIFLAG);
3391         ath6kl_dbg(ATH6KL_DBG_WMI,
3392                    "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3393                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3394                    le32_to_cpu(p->ctrl_flags), res);
3395         return res;
3396 }
3397
3398 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3399                            u16 reason)
3400 {
3401         struct sk_buff *skb;
3402         struct wmi_ap_set_mlme_cmd *cm;
3403
3404         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3405         if (!skb)
3406                 return -ENOMEM;
3407
3408         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3409         memcpy(cm->mac, mac, ETH_ALEN);
3410         cm->reason = cpu_to_le16(reason);
3411         cm->cmd = cmd;
3412
3413         ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3414                    cm->reason);
3415
3416         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3417                                    NO_SYNC_WMIFLAG);
3418 }
3419
3420 int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3421 {
3422         struct sk_buff *skb;
3423         struct wmi_ap_hidden_ssid_cmd *cmd;
3424
3425         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3426         if (!skb)
3427                 return -ENOMEM;
3428
3429         cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3430         cmd->hidden_ssid = enable ? 1 : 0;
3431
3432         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3433                                    NO_SYNC_WMIFLAG);
3434 }
3435
3436 /* This command will be used to enable/disable AP uAPSD feature */
3437 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3438 {
3439         struct wmi_ap_set_apsd_cmd *cmd;
3440         struct sk_buff *skb;
3441
3442         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3443         if (!skb)
3444                 return -ENOMEM;
3445
3446         cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3447         cmd->enable = enable;
3448
3449         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3450                                    NO_SYNC_WMIFLAG);
3451 }
3452
3453 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3454                                              u16 aid, u16 bitmap, u32 flags)
3455 {
3456         struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3457         struct sk_buff *skb;
3458
3459         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3460         if (!skb)
3461                 return -ENOMEM;
3462
3463         cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3464         cmd->aid = cpu_to_le16(aid);
3465         cmd->bitmap = cpu_to_le16(bitmap);
3466         cmd->flags = cpu_to_le32(flags);
3467
3468         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3469                                    WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3470                                    NO_SYNC_WMIFLAG);
3471 }
3472
3473 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3474                                       struct ath6kl_vif *vif)
3475 {
3476         struct wmi_pspoll_event *ev;
3477
3478         if (len < sizeof(struct wmi_pspoll_event))
3479                 return -EINVAL;
3480
3481         ev = (struct wmi_pspoll_event *) datap;
3482
3483         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3484
3485         return 0;
3486 }
3487
3488 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3489                                           struct ath6kl_vif *vif)
3490 {
3491         ath6kl_dtimexpiry_event(vif);
3492
3493         return 0;
3494 }
3495
3496 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3497                            bool flag)
3498 {
3499         struct sk_buff *skb;
3500         struct wmi_ap_set_pvb_cmd *cmd;
3501         int ret;
3502
3503         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3504         if (!skb)
3505                 return -ENOMEM;
3506
3507         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3508         cmd->aid = cpu_to_le16(aid);
3509         cmd->rsvd = cpu_to_le16(0);
3510         cmd->flag = cpu_to_le32(flag);
3511
3512         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3513                                   NO_SYNC_WMIFLAG);
3514
3515         return ret;
3516 }
3517
3518 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3519                                        u8 rx_meta_ver,
3520                                        bool rx_dot11_hdr, bool defrag_on_host)
3521 {
3522         struct sk_buff *skb;
3523         struct wmi_rx_frame_format_cmd *cmd;
3524         int ret;
3525
3526         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3527         if (!skb)
3528                 return -ENOMEM;
3529
3530         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3531         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3532         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3533         cmd->meta_ver = rx_meta_ver;
3534
3535         /* Delete the local aggr state, on host */
3536         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3537                                   NO_SYNC_WMIFLAG);
3538
3539         return ret;
3540 }
3541
3542 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3543                              const u8 *ie, u8 ie_len)
3544 {
3545         struct sk_buff *skb;
3546         struct wmi_set_appie_cmd *p;
3547
3548         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3549         if (!skb)
3550                 return -ENOMEM;
3551
3552         ath6kl_dbg(ATH6KL_DBG_WMI,
3553                    "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3554                    mgmt_frm_type, ie_len);
3555         p = (struct wmi_set_appie_cmd *) skb->data;
3556         p->mgmt_frm_type = mgmt_frm_type;
3557         p->ie_len = ie_len;
3558
3559         if (ie != NULL && ie_len > 0)
3560                 memcpy(p->ie_info, ie, ie_len);
3561
3562         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3563                                    NO_SYNC_WMIFLAG);
3564 }
3565
3566 int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3567                           const u8 *ie_info, u8 ie_len)
3568 {
3569         struct sk_buff *skb;
3570         struct wmi_set_ie_cmd *p;
3571
3572         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3573         if (!skb)
3574                 return -ENOMEM;
3575
3576         ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3577                    ie_id, ie_field, ie_len);
3578         p = (struct wmi_set_ie_cmd *) skb->data;
3579         p->ie_id = ie_id;
3580         p->ie_field = ie_field;
3581         p->ie_len = ie_len;
3582         if (ie_info && ie_len > 0)
3583                 memcpy(p->ie_info, ie_info, ie_len);
3584
3585         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,
3586                                    NO_SYNC_WMIFLAG);
3587 }
3588
3589 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3590 {
3591         struct sk_buff *skb;
3592         struct wmi_disable_11b_rates_cmd *cmd;
3593
3594         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3595         if (!skb)
3596                 return -ENOMEM;
3597
3598         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3599                    disable);
3600         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3601         cmd->disable = disable ? 1 : 0;
3602
3603         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3604                                    NO_SYNC_WMIFLAG);
3605 }
3606
3607 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3608 {
3609         struct sk_buff *skb;
3610         struct wmi_remain_on_chnl_cmd *p;
3611
3612         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3613         if (!skb)
3614                 return -ENOMEM;
3615
3616         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3617                    freq, dur);
3618         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3619         p->freq = cpu_to_le32(freq);
3620         p->duration = cpu_to_le32(dur);
3621         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3622                                    NO_SYNC_WMIFLAG);
3623 }
3624
3625 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3626  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3627  * mgmt operations using station interface.
3628  */
3629 static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3630                                       u32 freq, u32 wait, const u8 *data,
3631                                       u16 data_len)
3632 {
3633         struct sk_buff *skb;
3634         struct wmi_send_action_cmd *p;
3635         u8 *buf;
3636
3637         if (wait)
3638                 return -EINVAL; /* Offload for wait not supported */
3639
3640         buf = kmemdup(data, data_len, GFP_KERNEL);
3641         if (!buf)
3642                 return -ENOMEM;
3643
3644         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3645         if (!skb) {
3646                 kfree(buf);
3647                 return -ENOMEM;
3648         }
3649
3650         kfree(wmi->last_mgmt_tx_frame);
3651         wmi->last_mgmt_tx_frame = buf;
3652         wmi->last_mgmt_tx_frame_len = data_len;
3653
3654         ath6kl_dbg(ATH6KL_DBG_WMI,
3655                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3656                    id, freq, wait, data_len);
3657         p = (struct wmi_send_action_cmd *) skb->data;
3658         p->id = cpu_to_le32(id);
3659         p->freq = cpu_to_le32(freq);
3660         p->wait = cpu_to_le32(wait);
3661         p->len = cpu_to_le16(data_len);
3662         memcpy(p->data, data, data_len);
3663         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3664                                    NO_SYNC_WMIFLAG);
3665 }
3666
3667 static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3668                                       u32 freq, u32 wait, const u8 *data,
3669                                       u16 data_len, u32 no_cck)
3670 {
3671         struct sk_buff *skb;
3672         struct wmi_send_mgmt_cmd *p;
3673         u8 *buf;
3674
3675         if (wait)
3676                 return -EINVAL; /* Offload for wait not supported */
3677
3678         buf = kmemdup(data, data_len, GFP_KERNEL);
3679         if (!buf)
3680                 return -ENOMEM;
3681
3682         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3683         if (!skb) {
3684                 kfree(buf);
3685                 return -ENOMEM;
3686         }
3687
3688         kfree(wmi->last_mgmt_tx_frame);
3689         wmi->last_mgmt_tx_frame = buf;
3690         wmi->last_mgmt_tx_frame_len = data_len;
3691
3692         ath6kl_dbg(ATH6KL_DBG_WMI,
3693                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3694                    id, freq, wait, data_len);
3695         p = (struct wmi_send_mgmt_cmd *) skb->data;
3696         p->id = cpu_to_le32(id);
3697         p->freq = cpu_to_le32(freq);
3698         p->wait = cpu_to_le32(wait);
3699         p->no_cck = cpu_to_le32(no_cck);
3700         p->len = cpu_to_le16(data_len);
3701         memcpy(p->data, data, data_len);
3702         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3703                                    NO_SYNC_WMIFLAG);
3704 }
3705
3706 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3707                                 u32 wait, const u8 *data, u16 data_len,
3708                                 u32 no_cck)
3709 {
3710         int status;
3711         struct ath6kl *ar = wmi->parent_dev;
3712
3713         if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3714                      ar->fw_capabilities)) {
3715                 /*
3716                  * If capable of doing P2P mgmt operations using
3717                  * station interface, send additional information like
3718                  * supported rates to advertise and xmit rates for
3719                  * probe requests
3720                  */
3721                 status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3722                                                     wait, data, data_len,
3723                                                     no_cck);
3724         } else {
3725                 status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3726                                                     wait, data, data_len);
3727         }
3728
3729         return status;
3730 }
3731
3732 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3733                                        const u8 *dst, const u8 *data,
3734                                        u16 data_len)
3735 {
3736         struct sk_buff *skb;
3737         struct wmi_p2p_probe_response_cmd *p;
3738         size_t cmd_len = sizeof(*p) + data_len;
3739
3740         if (data_len == 0)
3741                 cmd_len++; /* work around target minimum length requirement */
3742
3743         skb = ath6kl_wmi_get_new_buf(cmd_len);
3744         if (!skb)
3745                 return -ENOMEM;
3746
3747         ath6kl_dbg(ATH6KL_DBG_WMI,
3748                    "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3749                    freq, dst, data_len);
3750         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3751         p->freq = cpu_to_le32(freq);
3752         memcpy(p->destination_addr, dst, ETH_ALEN);
3753         p->len = cpu_to_le16(data_len);
3754         memcpy(p->data, data, data_len);
3755         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3756                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3757                                    NO_SYNC_WMIFLAG);
3758 }
3759
3760 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3761 {
3762         struct sk_buff *skb;
3763         struct wmi_probe_req_report_cmd *p;
3764
3765         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3766         if (!skb)
3767                 return -ENOMEM;
3768
3769         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3770                    enable);
3771         p = (struct wmi_probe_req_report_cmd *) skb->data;
3772         p->enable = enable ? 1 : 0;
3773         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3774                                    NO_SYNC_WMIFLAG);
3775 }
3776
3777 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3778 {
3779         struct sk_buff *skb;
3780         struct wmi_get_p2p_info *p;
3781
3782         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3783         if (!skb)
3784                 return -ENOMEM;
3785
3786         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3787                    info_req_flags);
3788         p = (struct wmi_get_p2p_info *) skb->data;
3789         p->info_req_flags = cpu_to_le32(info_req_flags);
3790         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3791                                    NO_SYNC_WMIFLAG);
3792 }
3793
3794 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3795 {
3796         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3797         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3798                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3799 }
3800
3801 int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3802 {
3803         struct sk_buff *skb;
3804         struct wmi_set_inact_period_cmd *cmd;
3805
3806         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3807         if (!skb)
3808                 return -ENOMEM;
3809
3810         cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3811         cmd->inact_period = cpu_to_le32(inact_timeout);
3812         cmd->num_null_func = 0;
3813
3814         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,
3815                                    NO_SYNC_WMIFLAG);
3816 }
3817
3818 static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,
3819                                                int len)
3820 {
3821         struct wmix_hb_challenge_resp_cmd *cmd;
3822
3823         if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
3824                 return;
3825
3826         cmd = (struct wmix_hb_challenge_resp_cmd *) datap;
3827         ath6kl_recovery_hb_event(wmi->parent_dev,
3828                                  le32_to_cpu(cmd->cookie));
3829 }
3830
3831 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3832 {
3833         struct wmix_cmd_hdr *cmd;
3834         u32 len;
3835         u16 id;
3836         u8 *datap;
3837         int ret = 0;
3838
3839         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3840                 ath6kl_err("bad packet 1\n");
3841                 return -EINVAL;
3842         }
3843
3844         cmd = (struct wmix_cmd_hdr *) skb->data;
3845         id = le32_to_cpu(cmd->cmd_id);
3846
3847         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3848
3849         datap = skb->data;
3850         len = skb->len;
3851
3852         switch (id) {
3853         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3854                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3855                 ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);
3856                 break;
3857         case WMIX_DBGLOG_EVENTID:
3858                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3859                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3860                 break;
3861         default:
3862                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3863                 ret = -EINVAL;
3864                 break;
3865         }
3866
3867         return ret;
3868 }
3869
3870 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3871 {
3872         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3873 }
3874
3875 /* Process interface specific wmi events, caller would free the datap */
3876 static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3877                                         u8 *datap, u32 len)
3878 {
3879         struct ath6kl_vif *vif;
3880
3881         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3882         if (!vif) {
3883                 ath6kl_dbg(ATH6KL_DBG_WMI,
3884                            "Wmi event for unavailable vif, vif_index:%d\n",
3885                             if_idx);
3886                 return -EINVAL;
3887         }
3888
3889         switch (cmd_id) {
3890         case WMI_CONNECT_EVENTID:
3891                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3892                 return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3893         case WMI_DISCONNECT_EVENTID:
3894                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3895                 return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3896         case WMI_TKIP_MICERR_EVENTID:
3897                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3898                 return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3899         case WMI_BSSINFO_EVENTID:
3900                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3901                 return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3902         case WMI_NEIGHBOR_REPORT_EVENTID:
3903                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3904                 return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3905                                                            vif);
3906         case WMI_SCAN_COMPLETE_EVENTID:
3907                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3908                 return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3909         case WMI_REPORT_STATISTICS_EVENTID:
3910                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3911                 return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3912         case WMI_CAC_EVENTID:
3913                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3914                 return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3915         case WMI_PSPOLL_EVENTID:
3916                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3917                 return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3918         case WMI_DTIMEXPIRY_EVENTID:
3919                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3920                 return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3921         case WMI_ADDBA_REQ_EVENTID:
3922                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3923                 return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3924         case WMI_DELBA_REQ_EVENTID:
3925                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3926                 return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3927         case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3928                 ath6kl_dbg(ATH6KL_DBG_WMI,
3929                            "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3930                 return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3931         case WMI_REMAIN_ON_CHNL_EVENTID:
3932                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3933                 return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3934         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3935                 ath6kl_dbg(ATH6KL_DBG_WMI,
3936                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3937                 return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3938                                                                  len, vif);
3939         case WMI_TX_STATUS_EVENTID:
3940                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3941                 return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3942         case WMI_RX_PROBE_REQ_EVENTID:
3943                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3944                 return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3945         case WMI_RX_ACTION_EVENTID:
3946                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3947                 return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3948         case WMI_TXE_NOTIFY_EVENTID:
3949                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");
3950                 return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
3951         default:
3952                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3953                 return -EINVAL;
3954         }
3955
3956         return 0;
3957 }
3958
3959 static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3960 {
3961         struct wmi_cmd_hdr *cmd;
3962         int ret = 0;
3963         u32 len;
3964         u16 id;
3965         u8 if_idx;
3966         u8 *datap;
3967
3968         cmd = (struct wmi_cmd_hdr *) skb->data;
3969         id = le16_to_cpu(cmd->cmd_id);
3970         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3971
3972         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3973         datap = skb->data;
3974         len = skb->len;
3975
3976         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3977         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3978                         datap, len);
3979
3980         switch (id) {
3981         case WMI_GET_BITRATE_CMDID:
3982                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3983                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3984                 break;
3985         case WMI_GET_CHANNEL_LIST_CMDID:
3986                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3987                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3988                 break;
3989         case WMI_GET_TX_PWR_CMDID:
3990                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3991                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3992                 break;
3993         case WMI_READY_EVENTID:
3994                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3995                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3996                 break;
3997         case WMI_PEER_NODE_EVENTID:
3998                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3999                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
4000                 break;
4001         case WMI_REGDOMAIN_EVENTID:
4002                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
4003                 ath6kl_wmi_regdomain_event(wmi, datap, len);
4004                 break;
4005         case WMI_PSTREAM_TIMEOUT_EVENTID:
4006                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
4007                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
4008                 break;
4009         case WMI_CMDERROR_EVENTID:
4010                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
4011                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
4012                 break;
4013         case WMI_RSSI_THRESHOLD_EVENTID:
4014                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
4015                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
4016                 break;
4017         case WMI_ERROR_REPORT_EVENTID:
4018                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
4019                 break;
4020         case WMI_OPT_RX_FRAME_EVENTID:
4021                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
4022                 /* this event has been deprecated */
4023                 break;
4024         case WMI_REPORT_ROAM_TBL_EVENTID:
4025                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
4026                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
4027                 break;
4028         case WMI_EXTENSION_EVENTID:
4029                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
4030                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
4031                 break;
4032         case WMI_CHANNEL_CHANGE_EVENTID:
4033                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
4034                 break;
4035         case WMI_REPORT_ROAM_DATA_EVENTID:
4036                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
4037                 break;
4038         case WMI_TEST_EVENTID:
4039                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
4040                 ret = ath6kl_wmi_test_rx(wmi, datap, len);
4041                 break;
4042         case WMI_GET_FIXRATES_CMDID:
4043                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
4044                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
4045                 break;
4046         case WMI_TX_RETRY_ERR_EVENTID:
4047                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
4048                 break;
4049         case WMI_SNR_THRESHOLD_EVENTID:
4050                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
4051                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
4052                 break;
4053         case WMI_LQ_THRESHOLD_EVENTID:
4054                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
4055                 break;
4056         case WMI_APLIST_EVENTID:
4057                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
4058                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
4059                 break;
4060         case WMI_GET_KEEPALIVE_CMDID:
4061                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
4062                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
4063                 break;
4064         case WMI_GET_WOW_LIST_EVENTID:
4065                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
4066                 break;
4067         case WMI_GET_PMKID_LIST_EVENTID:
4068                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
4069                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
4070                 break;
4071         case WMI_SET_PARAMS_REPLY_EVENTID:
4072                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
4073                 break;
4074         case WMI_ADDBA_RESP_EVENTID:
4075                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
4076                 break;
4077         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
4078                 ath6kl_dbg(ATH6KL_DBG_WMI,
4079                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
4080                 break;
4081         case WMI_REPORT_BTCOEX_STATS_EVENTID:
4082                 ath6kl_dbg(ATH6KL_DBG_WMI,
4083                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
4084                 break;
4085         case WMI_TX_COMPLETE_EVENTID:
4086                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
4087                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
4088                 break;
4089         case WMI_P2P_CAPABILITIES_EVENTID:
4090                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
4091                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
4092                 break;
4093         case WMI_P2P_INFO_EVENTID:
4094                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
4095                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
4096                 break;
4097         default:
4098                 /* may be the event is interface specific */
4099                 ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
4100                 break;
4101         }
4102
4103         dev_kfree_skb(skb);
4104         return ret;
4105 }
4106
4107 /* Control Path */
4108 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
4109 {
4110         if (WARN_ON(skb == NULL))
4111                 return -EINVAL;
4112
4113         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
4114                 ath6kl_err("bad packet 1\n");
4115                 dev_kfree_skb(skb);
4116                 return -EINVAL;
4117         }
4118
4119         trace_ath6kl_wmi_event(skb->data, skb->len);
4120
4121         return ath6kl_wmi_proc_events(wmi, skb);
4122 }
4123
4124 void ath6kl_wmi_reset(struct wmi *wmi)
4125 {
4126         spin_lock_bh(&wmi->lock);
4127
4128         wmi->fat_pipe_exist = 0;
4129         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
4130
4131         spin_unlock_bh(&wmi->lock);
4132 }
4133
4134 void *ath6kl_wmi_init(struct ath6kl *dev)
4135 {
4136         struct wmi *wmi;
4137
4138         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
4139         if (!wmi)
4140                 return NULL;
4141
4142         spin_lock_init(&wmi->lock);
4143
4144         wmi->parent_dev = dev;
4145
4146         wmi->pwr_mode = REC_POWER;
4147
4148         ath6kl_wmi_reset(wmi);
4149
4150         return wmi;
4151 }
4152
4153 void ath6kl_wmi_shutdown(struct wmi *wmi)
4154 {
4155         if (!wmi)
4156                 return;
4157
4158         kfree(wmi->last_mgmt_tx_frame);
4159         kfree(wmi);
4160 }