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         s32 rate;
1205         u32 sgi, index;
1206
1207         if (len < sizeof(struct wmi_bit_rate_reply))
1208                 return -EINVAL;
1209
1210         reply = (struct wmi_bit_rate_reply *) datap;
1211
1212         ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1213
1214         if (reply->rate_index == (s8) RATE_AUTO) {
1215                 rate = RATE_AUTO;
1216         } else {
1217                 index = reply->rate_index & 0x7f;
1218                 if (WARN_ON_ONCE(index > (RATE_MCS_7_40 + 1)))
1219                         return -EINVAL;
1220
1221                 sgi = (reply->rate_index & 0x80) ? 1 : 0;
1222                 rate = wmi_rate_tbl[index][sgi];
1223         }
1224
1225         ath6kl_wakeup_event(wmi->parent_dev);
1226
1227         return 0;
1228 }
1229
1230 static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1231 {
1232         ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1233
1234         return 0;
1235 }
1236
1237 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1238 {
1239         if (len < sizeof(struct wmi_fix_rates_reply))
1240                 return -EINVAL;
1241
1242         ath6kl_wakeup_event(wmi->parent_dev);
1243
1244         return 0;
1245 }
1246
1247 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1248 {
1249         if (len < sizeof(struct wmi_channel_list_reply))
1250                 return -EINVAL;
1251
1252         ath6kl_wakeup_event(wmi->parent_dev);
1253
1254         return 0;
1255 }
1256
1257 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1258 {
1259         struct wmi_tx_pwr_reply *reply;
1260
1261         if (len < sizeof(struct wmi_tx_pwr_reply))
1262                 return -EINVAL;
1263
1264         reply = (struct wmi_tx_pwr_reply *) datap;
1265         ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1266
1267         return 0;
1268 }
1269
1270 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1271 {
1272         if (len < sizeof(struct wmi_get_keepalive_cmd))
1273                 return -EINVAL;
1274
1275         ath6kl_wakeup_event(wmi->parent_dev);
1276
1277         return 0;
1278 }
1279
1280 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1281                                        struct ath6kl_vif *vif)
1282 {
1283         struct wmi_scan_complete_event *ev;
1284
1285         ev = (struct wmi_scan_complete_event *) datap;
1286
1287         ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1288         wmi->is_probe_ssid = false;
1289
1290         return 0;
1291 }
1292
1293 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1294                                                int len, struct ath6kl_vif *vif)
1295 {
1296         struct wmi_neighbor_report_event *ev;
1297         u8 i;
1298
1299         if (len < sizeof(*ev))
1300                 return -EINVAL;
1301         ev = (struct wmi_neighbor_report_event *) datap;
1302         if (struct_size(ev, neighbor, ev->num_neighbors) > len) {
1303                 ath6kl_dbg(ATH6KL_DBG_WMI,
1304                            "truncated neighbor event (num=%d len=%d)\n",
1305                            ev->num_neighbors, len);
1306                 return -EINVAL;
1307         }
1308         for (i = 0; i < ev->num_neighbors; i++) {
1309                 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1310                            i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1311                            ev->neighbor[i].bss_flags);
1312                 cfg80211_pmksa_candidate_notify(vif->ndev, i,
1313                                                 ev->neighbor[i].bssid,
1314                                                 !!(ev->neighbor[i].bss_flags &
1315                                                    WMI_PREAUTH_CAPABLE_BSS),
1316                                                 GFP_ATOMIC);
1317         }
1318
1319         return 0;
1320 }
1321
1322 /*
1323  * Target is reporting a programming error.  This is for
1324  * developer aid only.  Target only checks a few common violations
1325  * and it is responsibility of host to do all error checking.
1326  * Behavior of target after wmi error event is undefined.
1327  * A reset is recommended.
1328  */
1329 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1330 {
1331         const char *type = "unknown error";
1332         struct wmi_cmd_error_event *ev;
1333         ev = (struct wmi_cmd_error_event *) datap;
1334
1335         switch (ev->err_code) {
1336         case INVALID_PARAM:
1337                 type = "invalid parameter";
1338                 break;
1339         case ILLEGAL_STATE:
1340                 type = "invalid state";
1341                 break;
1342         case INTERNAL_ERROR:
1343                 type = "internal error";
1344                 break;
1345         }
1346
1347         ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1348                    ev->cmd_id, type);
1349
1350         return 0;
1351 }
1352
1353 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1354                                      struct ath6kl_vif *vif)
1355 {
1356         ath6kl_tgt_stats_event(vif, datap, len);
1357
1358         return 0;
1359 }
1360
1361 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1362                                          struct sq_threshold_params *sq_thresh,
1363                                          u32 size)
1364 {
1365         u32 index;
1366         u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1367
1368         /* The list is already in sorted order. Get the next lower value */
1369         for (index = 0; index < size; index++) {
1370                 if (rssi < sq_thresh->upper_threshold[index]) {
1371                         threshold = (u8) sq_thresh->upper_threshold[index];
1372                         break;
1373                 }
1374         }
1375
1376         return threshold;
1377 }
1378
1379 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1380                                          struct sq_threshold_params *sq_thresh,
1381                                          u32 size)
1382 {
1383         u32 index;
1384         u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1385
1386         /* The list is already in sorted order. Get the next lower value */
1387         for (index = 0; index < size; index++) {
1388                 if (rssi > sq_thresh->lower_threshold[index]) {
1389                         threshold = (u8) sq_thresh->lower_threshold[index];
1390                         break;
1391                 }
1392         }
1393
1394         return threshold;
1395 }
1396
1397 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1398                         struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1399 {
1400         struct sk_buff *skb;
1401         struct wmi_rssi_threshold_params_cmd *cmd;
1402
1403         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1404         if (!skb)
1405                 return -ENOMEM;
1406
1407         cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1408         memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1409
1410         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1411                                    NO_SYNC_WMIFLAG);
1412 }
1413
1414 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1415                                               int len)
1416 {
1417         struct wmi_rssi_threshold_event *reply;
1418         struct wmi_rssi_threshold_params_cmd cmd;
1419         struct sq_threshold_params *sq_thresh;
1420         enum wmi_rssi_threshold_val new_threshold;
1421         u8 upper_rssi_threshold, lower_rssi_threshold;
1422         s16 rssi;
1423         int ret;
1424
1425         if (len < sizeof(struct wmi_rssi_threshold_event))
1426                 return -EINVAL;
1427
1428         reply = (struct wmi_rssi_threshold_event *) datap;
1429         new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1430         rssi = a_sle16_to_cpu(reply->rssi);
1431
1432         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1433
1434         /*
1435          * Identify the threshold breached and communicate that to the app.
1436          * After that install a new set of thresholds based on the signal
1437          * quality reported by the target
1438          */
1439         if (new_threshold) {
1440                 /* Upper threshold breached */
1441                 if (rssi < sq_thresh->upper_threshold[0]) {
1442                         ath6kl_dbg(ATH6KL_DBG_WMI,
1443                                    "spurious upper rssi threshold event: %d\n",
1444                                    rssi);
1445                 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1446                            (rssi >= sq_thresh->upper_threshold[0])) {
1447                         new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1448                 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1449                            (rssi >= sq_thresh->upper_threshold[1])) {
1450                         new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1451                 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1452                            (rssi >= sq_thresh->upper_threshold[2])) {
1453                         new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1454                 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1455                            (rssi >= sq_thresh->upper_threshold[3])) {
1456                         new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1457                 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1458                            (rssi >= sq_thresh->upper_threshold[4])) {
1459                         new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1460                 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1461                         new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1462                 }
1463         } else {
1464                 /* Lower threshold breached */
1465                 if (rssi > sq_thresh->lower_threshold[0]) {
1466                         ath6kl_dbg(ATH6KL_DBG_WMI,
1467                                    "spurious lower rssi threshold event: %d %d\n",
1468                                 rssi, sq_thresh->lower_threshold[0]);
1469                 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1470                            (rssi <= sq_thresh->lower_threshold[0])) {
1471                         new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1472                 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1473                            (rssi <= sq_thresh->lower_threshold[1])) {
1474                         new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1475                 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1476                            (rssi <= sq_thresh->lower_threshold[2])) {
1477                         new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1478                 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1479                            (rssi <= sq_thresh->lower_threshold[3])) {
1480                         new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1481                 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1482                            (rssi <= sq_thresh->lower_threshold[4])) {
1483                         new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1484                 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1485                         new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1486                 }
1487         }
1488
1489         /* Calculate and install the next set of thresholds */
1490         lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1491                                        sq_thresh->lower_threshold_valid_count);
1492         upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1493                                        sq_thresh->upper_threshold_valid_count);
1494
1495         /* Issue a wmi command to install the thresholds */
1496         cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1497         cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1498         cmd.weight = sq_thresh->weight;
1499         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1500
1501         ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1502         if (ret) {
1503                 ath6kl_err("unable to configure rssi thresholds\n");
1504                 return -EIO;
1505         }
1506
1507         return 0;
1508 }
1509
1510 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1511                                    struct ath6kl_vif *vif)
1512 {
1513         struct wmi_cac_event *reply;
1514         struct ieee80211_tspec_ie *ts;
1515         u16 active_tsids, tsinfo;
1516         u8 tsid, index;
1517         u8 ts_id;
1518
1519         if (len < sizeof(struct wmi_cac_event))
1520                 return -EINVAL;
1521
1522         reply = (struct wmi_cac_event *) datap;
1523         if (reply->ac >= WMM_NUM_AC) {
1524                 ath6kl_err("invalid AC: %d\n", reply->ac);
1525                 return -EINVAL;
1526         }
1527
1528         if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1529             (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1530                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1531                 tsinfo = le16_to_cpu(ts->tsinfo);
1532                 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1533                         IEEE80211_WMM_IE_TSPEC_TID_MASK;
1534
1535                 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1536                                               reply->ac, tsid);
1537         } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1538                 /*
1539                  * Following assumes that there is only one outstanding
1540                  * ADDTS request when this event is received
1541                  */
1542                 spin_lock_bh(&wmi->lock);
1543                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1544                 spin_unlock_bh(&wmi->lock);
1545
1546                 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1547                         if ((active_tsids >> index) & 1)
1548                                 break;
1549                 }
1550                 if (index < (sizeof(active_tsids) * 8))
1551                         ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1552                                                       reply->ac, index);
1553         }
1554
1555         /*
1556          * Clear active tsids and Add missing handling
1557          * for delete qos stream from AP
1558          */
1559         else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1560                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1561                 tsinfo = le16_to_cpu(ts->tsinfo);
1562                 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1563                          IEEE80211_WMM_IE_TSPEC_TID_MASK);
1564
1565                 spin_lock_bh(&wmi->lock);
1566                 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1567                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1568                 spin_unlock_bh(&wmi->lock);
1569
1570                 /* Indicate stream inactivity to driver layer only if all tsids
1571                  * within this AC are deleted.
1572                  */
1573                 if (!active_tsids) {
1574                         ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1575                                                     false);
1576                         wmi->fat_pipe_exist &= ~(1 << reply->ac);
1577                 }
1578         }
1579
1580         return 0;
1581 }
1582
1583 static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,
1584                                           struct ath6kl_vif *vif)
1585 {
1586         struct wmi_txe_notify_event *ev;
1587         u32 rate, pkts;
1588
1589         if (len < sizeof(*ev))
1590                 return -EINVAL;
1591
1592         if (vif->nw_type != INFRA_NETWORK ||
1593             !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY,
1594                       vif->ar->fw_capabilities))
1595                 return -EOPNOTSUPP;
1596
1597         if (vif->sme_state != SME_CONNECTED)
1598                 return -ENOTCONN;
1599
1600         ev = (struct wmi_txe_notify_event *) datap;
1601         rate = le32_to_cpu(ev->rate);
1602         pkts = le32_to_cpu(ev->pkts);
1603
1604         ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d%% pkts %d intvl %ds\n",
1605                    vif->bssid, rate, pkts, vif->txe_intvl);
1606
1607         cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,
1608                                 rate, vif->txe_intvl, GFP_KERNEL);
1609
1610         return 0;
1611 }
1612
1613 int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
1614                               u32 rate, u32 pkts, u32 intvl)
1615 {
1616         struct sk_buff *skb;
1617         struct wmi_txe_notify_cmd *cmd;
1618
1619         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1620         if (!skb)
1621                 return -ENOMEM;
1622
1623         cmd = (struct wmi_txe_notify_cmd *) skb->data;
1624         cmd->rate = cpu_to_le32(rate);
1625         cmd->pkts = cpu_to_le32(pkts);
1626         cmd->intvl = cpu_to_le32(intvl);
1627
1628         return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,
1629                                    NO_SYNC_WMIFLAG);
1630 }
1631
1632 int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
1633 {
1634         struct sk_buff *skb;
1635         struct wmi_set_rssi_filter_cmd *cmd;
1636         int ret;
1637
1638         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1639         if (!skb)
1640                 return -ENOMEM;
1641
1642         cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
1643         cmd->rssi = rssi;
1644
1645         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,
1646                                   NO_SYNC_WMIFLAG);
1647         return ret;
1648 }
1649
1650 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1651                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1652 {
1653         struct sk_buff *skb;
1654         struct wmi_snr_threshold_params_cmd *cmd;
1655
1656         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1657         if (!skb)
1658                 return -ENOMEM;
1659
1660         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1661         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1662
1663         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1664                                    NO_SYNC_WMIFLAG);
1665 }
1666
1667 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1668                                              int len)
1669 {
1670         struct wmi_snr_threshold_event *reply;
1671         struct sq_threshold_params *sq_thresh;
1672         struct wmi_snr_threshold_params_cmd cmd;
1673         enum wmi_snr_threshold_val new_threshold;
1674         u8 upper_snr_threshold, lower_snr_threshold;
1675         s16 snr;
1676         int ret;
1677
1678         if (len < sizeof(struct wmi_snr_threshold_event))
1679                 return -EINVAL;
1680
1681         reply = (struct wmi_snr_threshold_event *) datap;
1682
1683         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1684         snr = reply->snr;
1685
1686         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1687
1688         /*
1689          * Identify the threshold breached and communicate that to the app.
1690          * After that install a new set of thresholds based on the signal
1691          * quality reported by the target.
1692          */
1693         if (new_threshold) {
1694                 /* Upper threshold breached */
1695                 if (snr < sq_thresh->upper_threshold[0]) {
1696                         ath6kl_dbg(ATH6KL_DBG_WMI,
1697                                    "spurious upper snr threshold event: %d\n",
1698                                    snr);
1699                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1700                            (snr >= sq_thresh->upper_threshold[0])) {
1701                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1702                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1703                            (snr >= sq_thresh->upper_threshold[1])) {
1704                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1705                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1706                            (snr >= sq_thresh->upper_threshold[2])) {
1707                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1708                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1709                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1710                 }
1711         } else {
1712                 /* Lower threshold breached */
1713                 if (snr > sq_thresh->lower_threshold[0]) {
1714                         ath6kl_dbg(ATH6KL_DBG_WMI,
1715                                    "spurious lower snr threshold event: %d\n",
1716                                    sq_thresh->lower_threshold[0]);
1717                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1718                            (snr <= sq_thresh->lower_threshold[0])) {
1719                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1720                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1721                            (snr <= sq_thresh->lower_threshold[1])) {
1722                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1723                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1724                            (snr <= sq_thresh->lower_threshold[2])) {
1725                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1726                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1727                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1728                 }
1729         }
1730
1731         /* Calculate and install the next set of thresholds */
1732         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1733                                        sq_thresh->lower_threshold_valid_count);
1734         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1735                                        sq_thresh->upper_threshold_valid_count);
1736
1737         /* Issue a wmi command to install the thresholds */
1738         cmd.thresh_above1_val = upper_snr_threshold;
1739         cmd.thresh_below1_val = lower_snr_threshold;
1740         cmd.weight = sq_thresh->weight;
1741         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1742
1743         ath6kl_dbg(ATH6KL_DBG_WMI,
1744                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1745                    snr, new_threshold,
1746                    lower_snr_threshold, upper_snr_threshold);
1747
1748         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1749         if (ret) {
1750                 ath6kl_err("unable to configure snr threshold\n");
1751                 return -EIO;
1752         }
1753
1754         return 0;
1755 }
1756
1757 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1758 {
1759         u16 ap_info_entry_size;
1760         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1761         struct wmi_ap_info_v1 *ap_info_v1;
1762         u8 index;
1763
1764         if (len < sizeof(struct wmi_aplist_event) ||
1765             ev->ap_list_ver != APLIST_VER1)
1766                 return -EINVAL;
1767
1768         ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1769         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1770
1771         ath6kl_dbg(ATH6KL_DBG_WMI,
1772                    "number of APs in aplist event: %d\n", ev->num_ap);
1773
1774         if (len < (int) (sizeof(struct wmi_aplist_event) +
1775                          (ev->num_ap - 1) * ap_info_entry_size))
1776                 return -EINVAL;
1777
1778         /* AP list version 1 contents */
1779         for (index = 0; index < ev->num_ap; index++) {
1780                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1781                            index, ap_info_v1->bssid, ap_info_v1->channel);
1782                 ap_info_v1++;
1783         }
1784
1785         return 0;
1786 }
1787
1788 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1789                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1790 {
1791         struct wmi_cmd_hdr *cmd_hdr;
1792         enum htc_endpoint_id ep_id = wmi->ep_id;
1793         int ret;
1794         u16 info1;
1795
1796         if (WARN_ON(skb == NULL ||
1797                     (if_idx > (wmi->parent_dev->vif_max - 1)))) {
1798                 dev_kfree_skb(skb);
1799                 return -EINVAL;
1800         }
1801
1802         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1803                    cmd_id, skb->len, sync_flag);
1804         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1805                         skb->data, skb->len);
1806
1807         if (sync_flag >= END_WMIFLAG) {
1808                 dev_kfree_skb(skb);
1809                 return -EINVAL;
1810         }
1811
1812         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1813             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1814                 /*
1815                  * Make sure all data currently queued is transmitted before
1816                  * the cmd execution.  Establish a new sync point.
1817                  */
1818                 ath6kl_wmi_sync_point(wmi, if_idx);
1819         }
1820
1821         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1822
1823         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1824         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1825         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1826         cmd_hdr->info1 = cpu_to_le16(info1);
1827
1828         /* Only for OPT_TX_CMD, use BE endpoint. */
1829         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1830                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1831                                               false, false, 0, NULL, if_idx);
1832                 if (ret) {
1833                         dev_kfree_skb(skb);
1834                         return ret;
1835                 }
1836                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1837         }
1838
1839         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1840
1841         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1842             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1843                 /*
1844                  * Make sure all new data queued waits for the command to
1845                  * execute. Establish a new sync point.
1846                  */
1847                 ath6kl_wmi_sync_point(wmi, if_idx);
1848         }
1849
1850         return 0;
1851 }
1852
1853 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1854                            enum network_type nw_type,
1855                            enum dot11_auth_mode dot11_auth_mode,
1856                            enum auth_mode auth_mode,
1857                            enum ath6kl_crypto_type pairwise_crypto,
1858                            u8 pairwise_crypto_len,
1859                            enum ath6kl_crypto_type group_crypto,
1860                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1861                            u8 *bssid, u16 channel, u32 ctrl_flags,
1862                            u8 nw_subtype)
1863 {
1864         struct sk_buff *skb;
1865         struct wmi_connect_cmd *cc;
1866         int ret;
1867
1868         ath6kl_dbg(ATH6KL_DBG_WMI,
1869                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1870                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1871                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1872                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1873         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1874
1875         wmi->traffic_class = 100;
1876
1877         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1878                 return -EINVAL;
1879
1880         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1881                 return -EINVAL;
1882
1883         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1884         if (!skb)
1885                 return -ENOMEM;
1886
1887         cc = (struct wmi_connect_cmd *) skb->data;
1888
1889         if (ssid_len)
1890                 memcpy(cc->ssid, ssid, ssid_len);
1891
1892         cc->ssid_len = ssid_len;
1893         cc->nw_type = nw_type;
1894         cc->dot11_auth_mode = dot11_auth_mode;
1895         cc->auth_mode = auth_mode;
1896         cc->prwise_crypto_type = pairwise_crypto;
1897         cc->prwise_crypto_len = pairwise_crypto_len;
1898         cc->grp_crypto_type = group_crypto;
1899         cc->grp_crypto_len = group_crypto_len;
1900         cc->ch = cpu_to_le16(channel);
1901         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1902         cc->nw_subtype = nw_subtype;
1903
1904         if (bssid != NULL)
1905                 memcpy(cc->bssid, bssid, ETH_ALEN);
1906
1907         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1908                                   NO_SYNC_WMIFLAG);
1909
1910         return ret;
1911 }
1912
1913 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1914                              u16 channel)
1915 {
1916         struct sk_buff *skb;
1917         struct wmi_reconnect_cmd *cc;
1918         int ret;
1919
1920         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1921                    bssid, channel);
1922
1923         wmi->traffic_class = 100;
1924
1925         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1926         if (!skb)
1927                 return -ENOMEM;
1928
1929         cc = (struct wmi_reconnect_cmd *) skb->data;
1930         cc->channel = cpu_to_le16(channel);
1931
1932         if (bssid != NULL)
1933                 memcpy(cc->bssid, bssid, ETH_ALEN);
1934
1935         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1936                                   NO_SYNC_WMIFLAG);
1937
1938         return ret;
1939 }
1940
1941 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1942 {
1943         int ret;
1944
1945         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1946
1947         wmi->traffic_class = 100;
1948
1949         /* Disconnect command does not need to do a SYNC before. */
1950         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1951
1952         return ret;
1953 }
1954
1955 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1956  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1957  * mgmt operations using station interface.
1958  */
1959 static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1960                                     enum wmi_scan_type scan_type,
1961                                     u32 force_fgscan, u32 is_legacy,
1962                                     u32 home_dwell_time,
1963                                     u32 force_scan_interval,
1964                                     s8 num_chan, u16 *ch_list)
1965 {
1966         struct sk_buff *skb;
1967         struct wmi_start_scan_cmd *sc;
1968         s8 size;
1969         int i, ret;
1970
1971         size = sizeof(struct wmi_start_scan_cmd);
1972
1973         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1974                 return -EINVAL;
1975
1976         if (num_chan > WMI_MAX_CHANNELS)
1977                 return -EINVAL;
1978
1979         if (num_chan)
1980                 size += sizeof(u16) * (num_chan - 1);
1981
1982         skb = ath6kl_wmi_get_new_buf(size);
1983         if (!skb)
1984                 return -ENOMEM;
1985
1986         sc = (struct wmi_start_scan_cmd *) skb->data;
1987         sc->scan_type = scan_type;
1988         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1989         sc->is_legacy = cpu_to_le32(is_legacy);
1990         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1991         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1992         sc->num_ch = num_chan;
1993
1994         for (i = 0; i < num_chan; i++)
1995                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1996
1997         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1998                                   NO_SYNC_WMIFLAG);
1999
2000         return ret;
2001 }
2002
2003 /*
2004  * beginscan supports (compared to old startscan) P2P mgmt operations using
2005  * station interface, send additional information like supported rates to
2006  * advertise and xmit rates for probe requests
2007  */
2008 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
2009                              enum wmi_scan_type scan_type,
2010                              u32 force_fgscan, u32 is_legacy,
2011                              u32 home_dwell_time, u32 force_scan_interval,
2012                              s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
2013 {
2014         struct ieee80211_supported_band *sband;
2015         struct sk_buff *skb;
2016         struct wmi_begin_scan_cmd *sc;
2017         s8 size, *supp_rates;
2018         int i, band, ret;
2019         struct ath6kl *ar = wmi->parent_dev;
2020         int num_rates;
2021         u32 ratemask;
2022
2023         if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
2024                       ar->fw_capabilities)) {
2025                 return ath6kl_wmi_startscan_cmd(wmi, if_idx,
2026                                                 scan_type, force_fgscan,
2027                                                 is_legacy, home_dwell_time,
2028                                                 force_scan_interval,
2029                                                 num_chan, ch_list);
2030         }
2031
2032         size = sizeof(struct wmi_begin_scan_cmd);
2033
2034         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
2035                 return -EINVAL;
2036
2037         if (num_chan > WMI_MAX_CHANNELS)
2038                 return -EINVAL;
2039
2040         if (num_chan)
2041                 size += sizeof(u16) * (num_chan - 1);
2042
2043         skb = ath6kl_wmi_get_new_buf(size);
2044         if (!skb)
2045                 return -ENOMEM;
2046
2047         sc = (struct wmi_begin_scan_cmd *) skb->data;
2048         sc->scan_type = scan_type;
2049         sc->force_fg_scan = cpu_to_le32(force_fgscan);
2050         sc->is_legacy = cpu_to_le32(is_legacy);
2051         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
2052         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
2053         sc->no_cck = cpu_to_le32(no_cck);
2054         sc->num_ch = num_chan;
2055
2056         for (band = 0; band < NUM_NL80211_BANDS; band++) {
2057                 sband = ar->wiphy->bands[band];
2058
2059                 if (!sband)
2060                         continue;
2061
2062                 if (WARN_ON(band >= ATH6KL_NUM_BANDS))
2063                         break;
2064
2065                 ratemask = rates[band];
2066                 supp_rates = sc->supp_rates[band].rates;
2067                 num_rates = 0;
2068
2069                 for (i = 0; i < sband->n_bitrates; i++) {
2070                         if ((BIT(i) & ratemask) == 0)
2071                                 continue; /* skip rate */
2072                         supp_rates[num_rates++] =
2073                             (u8) (sband->bitrates[i].bitrate / 5);
2074                 }
2075                 sc->supp_rates[band].nrates = num_rates;
2076         }
2077
2078         for (i = 0; i < num_chan; i++)
2079                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2080
2081         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
2082                                   NO_SYNC_WMIFLAG);
2083
2084         return ret;
2085 }
2086
2087 int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2088 {
2089         struct sk_buff *skb;
2090         struct wmi_enable_sched_scan_cmd *sc;
2091         int ret;
2092
2093         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2094         if (!skb)
2095                 return -ENOMEM;
2096
2097         ath6kl_dbg(ATH6KL_DBG_WMI, "%s scheduled scan on vif %d\n",
2098                    enable ? "enabling" : "disabling", if_idx);
2099         sc = (struct wmi_enable_sched_scan_cmd *) skb->data;
2100         sc->enable = enable ? 1 : 0;
2101
2102         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2103                                   WMI_ENABLE_SCHED_SCAN_CMDID,
2104                                   NO_SYNC_WMIFLAG);
2105         return ret;
2106 }
2107
2108 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
2109                               u16 fg_start_sec,
2110                               u16 fg_end_sec, u16 bg_sec,
2111                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
2112                               u16 pas_chdw_msec, u8 short_scan_ratio,
2113                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
2114                               u16 maxact_scan_per_ssid)
2115 {
2116         struct sk_buff *skb;
2117         struct wmi_scan_params_cmd *sc;
2118         int ret;
2119
2120         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2121         if (!skb)
2122                 return -ENOMEM;
2123
2124         sc = (struct wmi_scan_params_cmd *) skb->data;
2125         sc->fg_start_period = cpu_to_le16(fg_start_sec);
2126         sc->fg_end_period = cpu_to_le16(fg_end_sec);
2127         sc->bg_period = cpu_to_le16(bg_sec);
2128         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
2129         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
2130         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
2131         sc->short_scan_ratio = short_scan_ratio;
2132         sc->scan_ctrl_flags = scan_ctrl_flag;
2133         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
2134         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
2135
2136         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
2137                                   NO_SYNC_WMIFLAG);
2138         return ret;
2139 }
2140
2141 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
2142 {
2143         struct sk_buff *skb;
2144         struct wmi_bss_filter_cmd *cmd;
2145         int ret;
2146
2147         if (filter >= LAST_BSS_FILTER)
2148                 return -EINVAL;
2149
2150         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2151         if (!skb)
2152                 return -ENOMEM;
2153
2154         cmd = (struct wmi_bss_filter_cmd *) skb->data;
2155         cmd->bss_filter = filter;
2156         cmd->ie_mask = cpu_to_le32(ie_mask);
2157
2158         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
2159                                   NO_SYNC_WMIFLAG);
2160         return ret;
2161 }
2162
2163 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2164                               u8 ssid_len, u8 *ssid)
2165 {
2166         struct sk_buff *skb;
2167         struct wmi_probed_ssid_cmd *cmd;
2168         int ret;
2169
2170         if (index >= MAX_PROBED_SSIDS)
2171                 return -EINVAL;
2172
2173         if (ssid_len > sizeof(cmd->ssid))
2174                 return -EINVAL;
2175
2176         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2177                 return -EINVAL;
2178
2179         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2180                 return -EINVAL;
2181
2182         if (flag & SPECIFIC_SSID_FLAG)
2183                 wmi->is_probe_ssid = true;
2184
2185         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2186         if (!skb)
2187                 return -ENOMEM;
2188
2189         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2190         cmd->entry_index = index;
2191         cmd->flag = flag;
2192         cmd->ssid_len = ssid_len;
2193         memcpy(cmd->ssid, ssid, ssid_len);
2194
2195         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2196                                   NO_SYNC_WMIFLAG);
2197         return ret;
2198 }
2199
2200 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2201                                   u16 listen_interval,
2202                                   u16 listen_beacons)
2203 {
2204         struct sk_buff *skb;
2205         struct wmi_listen_int_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_listen_int_cmd *) skb->data;
2213         cmd->listen_intvl = cpu_to_le16(listen_interval);
2214         cmd->num_beacons = cpu_to_le16(listen_beacons);
2215
2216         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2217                                   NO_SYNC_WMIFLAG);
2218         return ret;
2219 }
2220
2221 int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2222                              u16 bmiss_time, u16 num_beacons)
2223 {
2224         struct sk_buff *skb;
2225         struct wmi_bmiss_time_cmd *cmd;
2226         int ret;
2227
2228         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2229         if (!skb)
2230                 return -ENOMEM;
2231
2232         cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2233         cmd->bmiss_time = cpu_to_le16(bmiss_time);
2234         cmd->num_beacons = cpu_to_le16(num_beacons);
2235
2236         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2237                                   NO_SYNC_WMIFLAG);
2238         return ret;
2239 }
2240
2241 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2242 {
2243         struct sk_buff *skb;
2244         struct wmi_power_mode_cmd *cmd;
2245         int ret;
2246
2247         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2248         if (!skb)
2249                 return -ENOMEM;
2250
2251         cmd = (struct wmi_power_mode_cmd *) skb->data;
2252         cmd->pwr_mode = pwr_mode;
2253         wmi->pwr_mode = pwr_mode;
2254
2255         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2256                                   NO_SYNC_WMIFLAG);
2257         return ret;
2258 }
2259
2260 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2261                             u16 ps_poll_num, u16 dtim_policy,
2262                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2263                             u16 ps_fail_event_policy)
2264 {
2265         struct sk_buff *skb;
2266         struct wmi_power_params_cmd *pm;
2267         int ret;
2268
2269         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2270         if (!skb)
2271                 return -ENOMEM;
2272
2273         pm = (struct wmi_power_params_cmd *)skb->data;
2274         pm->idle_period = cpu_to_le16(idle_period);
2275         pm->pspoll_number = cpu_to_le16(ps_poll_num);
2276         pm->dtim_policy = cpu_to_le16(dtim_policy);
2277         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2278         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2279         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2280
2281         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2282                                   NO_SYNC_WMIFLAG);
2283         return ret;
2284 }
2285
2286 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2287 {
2288         struct sk_buff *skb;
2289         struct wmi_disc_timeout_cmd *cmd;
2290         int ret;
2291
2292         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2293         if (!skb)
2294                 return -ENOMEM;
2295
2296         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2297         cmd->discon_timeout = timeout;
2298
2299         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2300                                   NO_SYNC_WMIFLAG);
2301
2302         if (ret == 0)
2303                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2304
2305         return ret;
2306 }
2307
2308 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2309                           enum ath6kl_crypto_type key_type,
2310                           u8 key_usage, u8 key_len,
2311                           u8 *key_rsc, unsigned int key_rsc_len,
2312                           u8 *key_material,
2313                           u8 key_op_ctrl, u8 *mac_addr,
2314                           enum wmi_sync_flag sync_flag)
2315 {
2316         struct sk_buff *skb;
2317         struct wmi_add_cipher_key_cmd *cmd;
2318         int ret;
2319
2320         ath6kl_dbg(ATH6KL_DBG_WMI,
2321                    "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2322                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2323
2324         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2325             (key_material == NULL) || key_rsc_len > 8)
2326                 return -EINVAL;
2327
2328         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2329                 return -EINVAL;
2330
2331         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2332         if (!skb)
2333                 return -ENOMEM;
2334
2335         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2336         cmd->key_index = key_index;
2337         cmd->key_type = key_type;
2338         cmd->key_usage = key_usage;
2339         cmd->key_len = key_len;
2340         memcpy(cmd->key, key_material, key_len);
2341
2342         if (key_rsc != NULL)
2343                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2344
2345         cmd->key_op_ctrl = key_op_ctrl;
2346
2347         if (mac_addr)
2348                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2349
2350         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2351                                   sync_flag);
2352
2353         return ret;
2354 }
2355
2356 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, const u8 *krk)
2357 {
2358         struct sk_buff *skb;
2359         struct wmi_add_krk_cmd *cmd;
2360         int ret;
2361
2362         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2363         if (!skb)
2364                 return -ENOMEM;
2365
2366         cmd = (struct wmi_add_krk_cmd *) skb->data;
2367         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2368
2369         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2370                                   NO_SYNC_WMIFLAG);
2371
2372         return ret;
2373 }
2374
2375 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2376 {
2377         struct sk_buff *skb;
2378         struct wmi_delete_cipher_key_cmd *cmd;
2379         int ret;
2380
2381         if (key_index > WMI_MAX_KEY_INDEX)
2382                 return -EINVAL;
2383
2384         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2385         if (!skb)
2386                 return -ENOMEM;
2387
2388         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2389         cmd->key_index = key_index;
2390
2391         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2392                                   NO_SYNC_WMIFLAG);
2393
2394         return ret;
2395 }
2396
2397 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2398                             const u8 *pmkid, bool set)
2399 {
2400         struct sk_buff *skb;
2401         struct wmi_setpmkid_cmd *cmd;
2402         int ret;
2403
2404         if (bssid == NULL)
2405                 return -EINVAL;
2406
2407         if (set && pmkid == NULL)
2408                 return -EINVAL;
2409
2410         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2411         if (!skb)
2412                 return -ENOMEM;
2413
2414         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2415         memcpy(cmd->bssid, bssid, ETH_ALEN);
2416         if (set) {
2417                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2418                 cmd->enable = PMKID_ENABLE;
2419         } else {
2420                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2421                 cmd->enable = PMKID_DISABLE;
2422         }
2423
2424         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2425                                   NO_SYNC_WMIFLAG);
2426
2427         return ret;
2428 }
2429
2430 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2431                               enum htc_endpoint_id ep_id, u8 if_idx)
2432 {
2433         struct wmi_data_hdr *data_hdr;
2434         int ret;
2435
2436         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {
2437                 dev_kfree_skb(skb);
2438                 return -EINVAL;
2439         }
2440
2441         skb_push(skb, sizeof(struct wmi_data_hdr));
2442
2443         data_hdr = (struct wmi_data_hdr *) skb->data;
2444         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2445         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2446
2447         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2448
2449         return ret;
2450 }
2451
2452 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2453 {
2454         struct sk_buff *skb;
2455         struct wmi_sync_cmd *cmd;
2456         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2457         enum htc_endpoint_id ep_id;
2458         u8 index, num_pri_streams = 0;
2459         int ret = 0;
2460
2461         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2462
2463         spin_lock_bh(&wmi->lock);
2464
2465         for (index = 0; index < WMM_NUM_AC; index++) {
2466                 if (wmi->fat_pipe_exist & (1 << index)) {
2467                         num_pri_streams++;
2468                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2469                             index;
2470                 }
2471         }
2472
2473         spin_unlock_bh(&wmi->lock);
2474
2475         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2476         if (!skb)
2477                 return -ENOMEM;
2478
2479         cmd = (struct wmi_sync_cmd *) skb->data;
2480
2481         /*
2482          * In the SYNC cmd sent on the control Ep, send a bitmap
2483          * of the data eps on which the Data Sync will be sent
2484          */
2485         cmd->data_sync_map = wmi->fat_pipe_exist;
2486
2487         for (index = 0; index < num_pri_streams; index++) {
2488                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2489                 if (data_sync_bufs[index].skb == NULL) {
2490                         ret = -ENOMEM;
2491                         break;
2492                 }
2493         }
2494
2495         /*
2496          * If buffer allocation for any of the dataSync fails,
2497          * then do not send the Synchronize cmd on the control ep
2498          */
2499         if (ret)
2500                 goto free_cmd_skb;
2501
2502         /*
2503          * Send sync cmd followed by sync data messages on all
2504          * endpoints being used
2505          */
2506         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2507                                   NO_SYNC_WMIFLAG);
2508
2509         if (ret)
2510                 goto free_data_skb;
2511
2512         for (index = 0; index < num_pri_streams; index++) {
2513                 if (WARN_ON(!data_sync_bufs[index].skb))
2514                         goto free_data_skb;
2515
2516                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2517                                                data_sync_bufs[index].
2518                                                traffic_class);
2519                 ret =
2520                     ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2521                                               ep_id, if_idx);
2522
2523                 data_sync_bufs[index].skb = NULL;
2524
2525                 if (ret)
2526                         goto free_data_skb;
2527         }
2528
2529         return 0;
2530
2531 free_cmd_skb:
2532         /* free up any resources left over (possibly due to an error) */
2533         dev_kfree_skb(skb);
2534
2535 free_data_skb:
2536         for (index = 0; index < num_pri_streams; index++)
2537                 dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].skb);
2538
2539         return ret;
2540 }
2541
2542 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2543                                   struct wmi_create_pstream_cmd *params)
2544 {
2545         struct sk_buff *skb;
2546         struct wmi_create_pstream_cmd *cmd;
2547         u8 fatpipe_exist_for_ac = 0;
2548         s32 min_phy = 0;
2549         s32 nominal_phy = 0;
2550         int ret;
2551
2552         if (!((params->user_pri <= 0x7) &&
2553               (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2554               (params->traffic_direc == UPLINK_TRAFFIC ||
2555                params->traffic_direc == DNLINK_TRAFFIC ||
2556                params->traffic_direc == BIDIR_TRAFFIC) &&
2557               (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2558                params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2559               (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2560                params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2561                params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2562               (params->tsid == WMI_IMPLICIT_PSTREAM ||
2563                params->tsid <= WMI_MAX_THINSTREAM))) {
2564                 return -EINVAL;
2565         }
2566
2567         /*
2568          * Check nominal PHY rate is >= minimalPHY,
2569          * so that DUT can allow TSRS IE
2570          */
2571
2572         /* Get the physical rate (units of bps) */
2573         min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2574
2575         /* Check minimal phy < nominal phy rate */
2576         if (params->nominal_phy >= min_phy) {
2577                 /* unit of 500 kbps */
2578                 nominal_phy = (params->nominal_phy * 1000) / 500;
2579                 ath6kl_dbg(ATH6KL_DBG_WMI,
2580                            "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2581                            min_phy, nominal_phy);
2582
2583                 params->nominal_phy = nominal_phy;
2584         } else {
2585                 params->nominal_phy = 0;
2586         }
2587
2588         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2589         if (!skb)
2590                 return -ENOMEM;
2591
2592         ath6kl_dbg(ATH6KL_DBG_WMI,
2593                    "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2594                    params->traffic_class, params->tsid);
2595
2596         cmd = (struct wmi_create_pstream_cmd *) skb->data;
2597         memcpy(cmd, params, sizeof(*cmd));
2598
2599         /* This is an implicitly created Fat pipe */
2600         if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2601                 spin_lock_bh(&wmi->lock);
2602                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2603                                         (1 << params->traffic_class));
2604                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2605                 spin_unlock_bh(&wmi->lock);
2606         } else {
2607                 /* explicitly created thin stream within a fat pipe */
2608                 spin_lock_bh(&wmi->lock);
2609                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2610                                         (1 << params->traffic_class));
2611                 wmi->stream_exist_for_ac[params->traffic_class] |=
2612                     (1 << params->tsid);
2613                 /*
2614                  * If a thinstream becomes active, the fat pipe automatically
2615                  * becomes active
2616                  */
2617                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2618                 spin_unlock_bh(&wmi->lock);
2619         }
2620
2621         /*
2622          * Indicate activty change to driver layer only if this is the
2623          * first TSID to get created in this AC explicitly or an implicit
2624          * fat pipe is getting created.
2625          */
2626         if (!fatpipe_exist_for_ac)
2627                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2628                                             params->traffic_class, true);
2629
2630         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2631                                   NO_SYNC_WMIFLAG);
2632         return ret;
2633 }
2634
2635 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2636                                   u8 tsid)
2637 {
2638         struct sk_buff *skb;
2639         struct wmi_delete_pstream_cmd *cmd;
2640         u16 active_tsids = 0;
2641         int ret;
2642
2643         if (traffic_class >= WMM_NUM_AC) {
2644                 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2645                 return -EINVAL;
2646         }
2647
2648         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2649         if (!skb)
2650                 return -ENOMEM;
2651
2652         cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2653         cmd->traffic_class = traffic_class;
2654         cmd->tsid = tsid;
2655
2656         spin_lock_bh(&wmi->lock);
2657         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2658         spin_unlock_bh(&wmi->lock);
2659
2660         if (!(active_tsids & (1 << tsid))) {
2661                 dev_kfree_skb(skb);
2662                 ath6kl_dbg(ATH6KL_DBG_WMI,
2663                            "TSID %d doesn't exist for traffic class: %d\n",
2664                            tsid, traffic_class);
2665                 return -ENODATA;
2666         }
2667
2668         ath6kl_dbg(ATH6KL_DBG_WMI,
2669                    "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2670                    traffic_class, tsid);
2671
2672         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2673                                   SYNC_BEFORE_WMIFLAG);
2674
2675         spin_lock_bh(&wmi->lock);
2676         wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2677         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2678         spin_unlock_bh(&wmi->lock);
2679
2680         /*
2681          * Indicate stream inactivity to driver layer only if all tsids
2682          * within this AC are deleted.
2683          */
2684         if (!active_tsids) {
2685                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2686                                             traffic_class, false);
2687                 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2688         }
2689
2690         return ret;
2691 }
2692
2693 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2694                           __be32 ips0, __be32 ips1)
2695 {
2696         struct sk_buff *skb;
2697         struct wmi_set_ip_cmd *cmd;
2698         int ret;
2699
2700         /* Multicast address are not valid */
2701         if (ipv4_is_multicast(ips0) ||
2702             ipv4_is_multicast(ips1))
2703                 return -EINVAL;
2704
2705         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2706         if (!skb)
2707                 return -ENOMEM;
2708
2709         cmd = (struct wmi_set_ip_cmd *) skb->data;
2710         cmd->ips[0] = ips0;
2711         cmd->ips[1] = ips1;
2712
2713         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2714                                   NO_SYNC_WMIFLAG);
2715         return ret;
2716 }
2717
2718 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2719 {
2720         u16 active_tsids;
2721         u8 stream_exist;
2722         int i;
2723
2724         /*
2725          * Relinquish credits from all implicitly created pstreams
2726          * since when we go to sleep. If user created explicit
2727          * thinstreams exists with in a fatpipe leave them intact
2728          * for the user to delete.
2729          */
2730         spin_lock_bh(&wmi->lock);
2731         stream_exist = wmi->fat_pipe_exist;
2732         spin_unlock_bh(&wmi->lock);
2733
2734         for (i = 0; i < WMM_NUM_AC; i++) {
2735                 if (stream_exist & (1 << i)) {
2736                         /*
2737                          * FIXME: Is this lock & unlock inside
2738                          * for loop correct? may need rework.
2739                          */
2740                         spin_lock_bh(&wmi->lock);
2741                         active_tsids = wmi->stream_exist_for_ac[i];
2742                         spin_unlock_bh(&wmi->lock);
2743
2744                         /*
2745                          * If there are no user created thin streams
2746                          * delete the fatpipe
2747                          */
2748                         if (!active_tsids) {
2749                                 stream_exist &= ~(1 << i);
2750                                 /*
2751                                  * Indicate inactivity to driver layer for
2752                                  * this fatpipe (pstream)
2753                                  */
2754                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2755                                                             i, false);
2756                         }
2757                 }
2758         }
2759
2760         /* FIXME: Can we do this assignment without locking ? */
2761         spin_lock_bh(&wmi->lock);
2762         wmi->fat_pipe_exist = stream_exist;
2763         spin_unlock_bh(&wmi->lock);
2764 }
2765
2766 static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2767                                      const struct cfg80211_bitrate_mask *mask)
2768 {
2769         struct sk_buff *skb;
2770         int ret, mode, band;
2771         u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2772         struct wmi_set_tx_select_rates64_cmd *cmd;
2773
2774         memset(&ratemask, 0, sizeof(ratemask));
2775
2776         /* only check 2.4 and 5 GHz bands, skip the rest */
2777         for (band = 0; band <= NL80211_BAND_5GHZ; band++) {
2778                 /* copy legacy rate mask */
2779                 ratemask[band] = mask->control[band].legacy;
2780                 if (band == NL80211_BAND_5GHZ)
2781                         ratemask[band] =
2782                                 mask->control[band].legacy << 4;
2783
2784                 /* copy mcs rate mask */
2785                 mcsrate = mask->control[band].ht_mcs[1];
2786                 mcsrate <<= 8;
2787                 mcsrate |= mask->control[band].ht_mcs[0];
2788                 ratemask[band] |= mcsrate << 12;
2789                 ratemask[band] |= mcsrate << 28;
2790         }
2791
2792         ath6kl_dbg(ATH6KL_DBG_WMI,
2793                    "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2794                    ratemask[0], ratemask[1]);
2795
2796         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2797         if (!skb)
2798                 return -ENOMEM;
2799
2800         cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2801         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2802                 /* A mode operate in 5GHZ band */
2803                 if (mode == WMI_RATES_MODE_11A ||
2804                     mode == WMI_RATES_MODE_11A_HT20 ||
2805                     mode == WMI_RATES_MODE_11A_HT40)
2806                         band = NL80211_BAND_5GHZ;
2807                 else
2808                         band = NL80211_BAND_2GHZ;
2809                 cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2810         }
2811
2812         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2813                                   WMI_SET_TX_SELECT_RATES_CMDID,
2814                                   NO_SYNC_WMIFLAG);
2815         return ret;
2816 }
2817
2818 static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2819                                      const struct cfg80211_bitrate_mask *mask)
2820 {
2821         struct sk_buff *skb;
2822         int ret, mode, band;
2823         u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2824         struct wmi_set_tx_select_rates32_cmd *cmd;
2825
2826         memset(&ratemask, 0, sizeof(ratemask));
2827
2828         /* only check 2.4 and 5 GHz bands, skip the rest */
2829         for (band = 0; band <= NL80211_BAND_5GHZ; band++) {
2830                 /* copy legacy rate mask */
2831                 ratemask[band] = mask->control[band].legacy;
2832                 if (band == NL80211_BAND_5GHZ)
2833                         ratemask[band] =
2834                                 mask->control[band].legacy << 4;
2835
2836                 /* copy mcs rate mask */
2837                 mcsrate = mask->control[band].ht_mcs[0];
2838                 ratemask[band] |= mcsrate << 12;
2839                 ratemask[band] |= mcsrate << 20;
2840         }
2841
2842         ath6kl_dbg(ATH6KL_DBG_WMI,
2843                    "Ratemask 32 bit: 2.4:%x 5:%x\n",
2844                    ratemask[0], ratemask[1]);
2845
2846         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2847         if (!skb)
2848                 return -ENOMEM;
2849
2850         cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2851         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2852                 /* A mode operate in 5GHZ band */
2853                 if (mode == WMI_RATES_MODE_11A ||
2854                     mode == WMI_RATES_MODE_11A_HT20 ||
2855                     mode == WMI_RATES_MODE_11A_HT40)
2856                         band = NL80211_BAND_5GHZ;
2857                 else
2858                         band = NL80211_BAND_2GHZ;
2859                 cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2860         }
2861
2862         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2863                                   WMI_SET_TX_SELECT_RATES_CMDID,
2864                                   NO_SYNC_WMIFLAG);
2865         return ret;
2866 }
2867
2868 int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2869                                 const struct cfg80211_bitrate_mask *mask)
2870 {
2871         struct ath6kl *ar = wmi->parent_dev;
2872
2873         if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
2874                      ar->fw_capabilities))
2875                 return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
2876         else
2877                 return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
2878 }
2879
2880 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2881                                        enum ath6kl_host_mode host_mode)
2882 {
2883         struct sk_buff *skb;
2884         struct wmi_set_host_sleep_mode_cmd *cmd;
2885         int ret;
2886
2887         if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2888             (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2889                 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2890                 return -EINVAL;
2891         }
2892
2893         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2894         if (!skb)
2895                 return -ENOMEM;
2896
2897         cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2898
2899         if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2900                 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2901                 cmd->asleep = cpu_to_le32(1);
2902         } else {
2903                 cmd->awake = cpu_to_le32(1);
2904         }
2905
2906         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2907                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2908                                   NO_SYNC_WMIFLAG);
2909         return ret;
2910 }
2911
2912 /* This command has zero length payload */
2913 static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2914                                                       struct ath6kl_vif *vif)
2915 {
2916         struct ath6kl *ar = wmi->parent_dev;
2917
2918         set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2919         wake_up(&ar->event_wq);
2920
2921         return 0;
2922 }
2923
2924 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2925                                 enum ath6kl_wow_mode wow_mode,
2926                                 u32 filter, u16 host_req_delay)
2927 {
2928         struct sk_buff *skb;
2929         struct wmi_set_wow_mode_cmd *cmd;
2930         int ret;
2931
2932         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2933             wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2934                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2935                 return -EINVAL;
2936         }
2937
2938         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2939         if (!skb)
2940                 return -ENOMEM;
2941
2942         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2943         cmd->enable_wow = cpu_to_le32(wow_mode);
2944         cmd->filter = cpu_to_le32(filter);
2945         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2946
2947         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2948                                   NO_SYNC_WMIFLAG);
2949         return ret;
2950 }
2951
2952 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2953                                    u8 list_id, u8 filter_size,
2954                                    u8 filter_offset, const u8 *filter,
2955                                    const u8 *mask)
2956 {
2957         struct sk_buff *skb;
2958         struct wmi_add_wow_pattern_cmd *cmd;
2959         u16 size;
2960         u8 *filter_mask;
2961         int ret;
2962
2963         /*
2964          * Allocate additional memory in the buffer to hold
2965          * filter and mask value, which is twice of filter_size.
2966          */
2967         size = sizeof(*cmd) + (2 * filter_size);
2968
2969         skb = ath6kl_wmi_get_new_buf(size);
2970         if (!skb)
2971                 return -ENOMEM;
2972
2973         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2974         cmd->filter_list_id = list_id;
2975         cmd->filter_size = filter_size;
2976         cmd->filter_offset = filter_offset;
2977
2978         memcpy(cmd->filter, filter, filter_size);
2979
2980         filter_mask = (u8 *) (cmd->filter + filter_size);
2981         memcpy(filter_mask, mask, filter_size);
2982
2983         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2984                                   NO_SYNC_WMIFLAG);
2985
2986         return ret;
2987 }
2988
2989 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2990                                    u16 list_id, u16 filter_id)
2991 {
2992         struct sk_buff *skb;
2993         struct wmi_del_wow_pattern_cmd *cmd;
2994         int ret;
2995
2996         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2997         if (!skb)
2998                 return -ENOMEM;
2999
3000         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
3001         cmd->filter_list_id = cpu_to_le16(list_id);
3002         cmd->filter_id = cpu_to_le16(filter_id);
3003
3004         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
3005                                   NO_SYNC_WMIFLAG);
3006         return ret;
3007 }
3008
3009 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
3010                                     enum wmix_command_id cmd_id,
3011                                     enum wmi_sync_flag sync_flag)
3012 {
3013         struct wmix_cmd_hdr *cmd_hdr;
3014         int ret;
3015
3016         skb_push(skb, sizeof(struct wmix_cmd_hdr));
3017
3018         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
3019         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
3020
3021         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
3022
3023         return ret;
3024 }
3025
3026 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
3027 {
3028         struct sk_buff *skb;
3029         struct wmix_hb_challenge_resp_cmd *cmd;
3030         int ret;
3031
3032         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3033         if (!skb)
3034                 return -ENOMEM;
3035
3036         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
3037         cmd->cookie = cpu_to_le32(cookie);
3038         cmd->source = cpu_to_le32(source);
3039
3040         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
3041                                        NO_SYNC_WMIFLAG);
3042         return ret;
3043 }
3044
3045 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
3046 {
3047         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
3048         struct sk_buff *skb;
3049         int ret;
3050
3051         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3052         if (!skb)
3053                 return -ENOMEM;
3054
3055         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
3056         cmd->valid = cpu_to_le32(valid);
3057         cmd->config = cpu_to_le32(config);
3058
3059         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
3060                                        NO_SYNC_WMIFLAG);
3061         return ret;
3062 }
3063
3064 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
3065 {
3066         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
3067 }
3068
3069 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
3070 {
3071         struct sk_buff *skb;
3072         struct wmi_set_tx_pwr_cmd *cmd;
3073         int ret;
3074
3075         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
3076         if (!skb)
3077                 return -ENOMEM;
3078
3079         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
3080         cmd->dbM = dbM;
3081
3082         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
3083                                   NO_SYNC_WMIFLAG);
3084
3085         return ret;
3086 }
3087
3088 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
3089 {
3090         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
3091 }
3092
3093 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
3094 {
3095         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
3096 }
3097
3098 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
3099                                  u8 preamble_policy)
3100 {
3101         struct sk_buff *skb;
3102         struct wmi_set_lpreamble_cmd *cmd;
3103         int ret;
3104
3105         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
3106         if (!skb)
3107                 return -ENOMEM;
3108
3109         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
3110         cmd->status = status;
3111         cmd->preamble_policy = preamble_policy;
3112
3113         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
3114                                   NO_SYNC_WMIFLAG);
3115         return ret;
3116 }
3117
3118 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
3119 {
3120         struct sk_buff *skb;
3121         struct wmi_set_rts_cmd *cmd;
3122         int ret;
3123
3124         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
3125         if (!skb)
3126                 return -ENOMEM;
3127
3128         cmd = (struct wmi_set_rts_cmd *) skb->data;
3129         cmd->threshold = cpu_to_le16(threshold);
3130
3131         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
3132                                   NO_SYNC_WMIFLAG);
3133         return ret;
3134 }
3135
3136 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
3137 {
3138         struct sk_buff *skb;
3139         struct wmi_set_wmm_txop_cmd *cmd;
3140         int ret;
3141
3142         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
3143                 return -EINVAL;
3144
3145         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
3146         if (!skb)
3147                 return -ENOMEM;
3148
3149         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
3150         cmd->txop_enable = cfg;
3151
3152         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
3153                                   NO_SYNC_WMIFLAG);
3154         return ret;
3155 }
3156
3157 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3158                                  u8 keep_alive_intvl)
3159 {
3160         struct sk_buff *skb;
3161         struct wmi_set_keepalive_cmd *cmd;
3162         int ret;
3163
3164         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3165         if (!skb)
3166                 return -ENOMEM;
3167
3168         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3169         cmd->keep_alive_intvl = keep_alive_intvl;
3170
3171         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
3172                                   NO_SYNC_WMIFLAG);
3173
3174         if (ret == 0)
3175                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
3176
3177         return ret;
3178 }
3179
3180 int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3181                              enum nl80211_band band,
3182                              struct ath6kl_htcap *htcap)
3183 {
3184         struct sk_buff *skb;
3185         struct wmi_set_htcap_cmd *cmd;
3186
3187         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3188         if (!skb)
3189                 return -ENOMEM;
3190
3191         cmd = (struct wmi_set_htcap_cmd *) skb->data;
3192
3193         /*
3194          * NOTE: Band in firmware matches enum nl80211_band, it is unlikely
3195          * this will be changed in firmware. If at all there is any change in
3196          * band value, the host needs to be fixed.
3197          */
3198         cmd->band = band;
3199         cmd->ht_enable = !!htcap->ht_enable;
3200         cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3201         cmd->ht40_supported =
3202                 !!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3203         cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3204         cmd->intolerant_40mhz =
3205                 !!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3206         cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3207
3208         ath6kl_dbg(ATH6KL_DBG_WMI,
3209                    "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3210                    cmd->band, cmd->ht_enable, cmd->ht40_supported,
3211                    cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3212                    cmd->max_ampdu_len_exp);
3213         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
3214                                    NO_SYNC_WMIFLAG);
3215 }
3216
3217 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3218 {
3219         struct sk_buff *skb;
3220         int ret;
3221
3222         skb = ath6kl_wmi_get_new_buf(len);
3223         if (!skb)
3224                 return -ENOMEM;
3225
3226         memcpy(skb->data, buf, len);
3227
3228         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
3229
3230         return ret;
3231 }
3232
3233 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3234 {
3235         struct sk_buff *skb;
3236         struct wmi_mcast_filter_cmd *cmd;
3237         int ret;
3238
3239         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3240         if (!skb)
3241                 return -ENOMEM;
3242
3243         cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3244         cmd->mcast_all_enable = mc_all_on;
3245
3246         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
3247                                   NO_SYNC_WMIFLAG);
3248         return ret;
3249 }
3250
3251 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3252                                         u8 *filter, bool add_filter)
3253 {
3254         struct sk_buff *skb;
3255         struct wmi_mcast_filter_add_del_cmd *cmd;
3256         int ret;
3257
3258         if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3259             (filter[0] != 0x01 || filter[1] != 0x00 ||
3260             filter[2] != 0x5e || filter[3] > 0x7f)) {
3261                 ath6kl_warn("invalid multicast filter address\n");
3262                 return -EINVAL;
3263         }
3264
3265         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3266         if (!skb)
3267                 return -ENOMEM;
3268
3269         cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3270         memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3271         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3272                                   add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3273                                   WMI_DEL_MCAST_FILTER_CMDID,
3274                                   NO_SYNC_WMIFLAG);
3275
3276         return ret;
3277 }
3278
3279 int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3280 {
3281         struct sk_buff *skb;
3282         struct wmi_sta_bmiss_enhance_cmd *cmd;
3283         int ret;
3284
3285         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3286         if (!skb)
3287                 return -ENOMEM;
3288
3289         cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data;
3290         cmd->enable = enhance ? 1 : 0;
3291
3292         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3293                                   WMI_STA_BMISS_ENHANCE_CMDID,
3294                                   NO_SYNC_WMIFLAG);
3295         return ret;
3296 }
3297
3298 int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
3299 {
3300         struct sk_buff *skb;
3301         struct wmi_set_regdomain_cmd *cmd;
3302
3303         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3304         if (!skb)
3305                 return -ENOMEM;
3306
3307         cmd = (struct wmi_set_regdomain_cmd *) skb->data;
3308         memcpy(cmd->iso_name, alpha2, 2);
3309
3310         return ath6kl_wmi_cmd_send(wmi, 0, skb,
3311                                    WMI_SET_REGDOMAIN_CMDID,
3312                                    NO_SYNC_WMIFLAG);
3313 }
3314
3315 s32 ath6kl_wmi_get_rate(struct wmi *wmi, s8 rate_index)
3316 {
3317         struct ath6kl *ar = wmi->parent_dev;
3318         u8 sgi = 0;
3319         s32 ret;
3320
3321         if (rate_index == RATE_AUTO)
3322                 return 0;
3323
3324         /* SGI is stored as the MSB of the rate_index */
3325         if (rate_index & RATE_INDEX_MSB) {
3326                 rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;
3327                 sgi = 1;
3328         }
3329
3330         if (test_bit(ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,
3331                      ar->fw_capabilities)) {
3332                 if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl_mcs15)))
3333                         return 0;
3334
3335                 ret = wmi_rate_tbl_mcs15[(u32) rate_index][sgi];
3336         } else {
3337                 if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl)))
3338                         return 0;
3339
3340                 ret = wmi_rate_tbl[(u32) rate_index][sgi];
3341         }
3342
3343         return ret;
3344 }
3345
3346 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3347                                               u32 len)
3348 {
3349         struct wmi_pmkid_list_reply *reply;
3350         u32 expected_len;
3351
3352         if (len < sizeof(struct wmi_pmkid_list_reply))
3353                 return -EINVAL;
3354
3355         reply = (struct wmi_pmkid_list_reply *)datap;
3356         expected_len = sizeof(reply->num_pmkid) +
3357                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3358
3359         if (len < expected_len)
3360                 return -EINVAL;
3361
3362         return 0;
3363 }
3364
3365 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3366                                          struct ath6kl_vif *vif)
3367 {
3368         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3369
3370         aggr_recv_addba_req_evt(vif, cmd->tid,
3371                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
3372
3373         return 0;
3374 }
3375
3376 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3377                                          struct ath6kl_vif *vif)
3378 {
3379         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3380
3381         aggr_recv_delba_req_evt(vif, cmd->tid);
3382
3383         return 0;
3384 }
3385
3386 /*  AP mode functions */
3387
3388 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3389                                  struct wmi_connect_cmd *p)
3390 {
3391         struct sk_buff *skb;
3392         struct wmi_connect_cmd *cm;
3393         int res;
3394
3395         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3396         if (!skb)
3397                 return -ENOMEM;
3398
3399         cm = (struct wmi_connect_cmd *) skb->data;
3400         memcpy(cm, p, sizeof(*cm));
3401
3402         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3403                                   NO_SYNC_WMIFLAG);
3404         ath6kl_dbg(ATH6KL_DBG_WMI,
3405                    "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3406                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3407                    le32_to_cpu(p->ctrl_flags), res);
3408         return res;
3409 }
3410
3411 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3412                            u16 reason)
3413 {
3414         struct sk_buff *skb;
3415         struct wmi_ap_set_mlme_cmd *cm;
3416
3417         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3418         if (!skb)
3419                 return -ENOMEM;
3420
3421         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3422         memcpy(cm->mac, mac, ETH_ALEN);
3423         cm->reason = cpu_to_le16(reason);
3424         cm->cmd = cmd;
3425
3426         ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3427                    cm->reason);
3428
3429         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3430                                    NO_SYNC_WMIFLAG);
3431 }
3432
3433 int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3434 {
3435         struct sk_buff *skb;
3436         struct wmi_ap_hidden_ssid_cmd *cmd;
3437
3438         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3439         if (!skb)
3440                 return -ENOMEM;
3441
3442         cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3443         cmd->hidden_ssid = enable ? 1 : 0;
3444
3445         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3446                                    NO_SYNC_WMIFLAG);
3447 }
3448
3449 /* This command will be used to enable/disable AP uAPSD feature */
3450 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3451 {
3452         struct wmi_ap_set_apsd_cmd *cmd;
3453         struct sk_buff *skb;
3454
3455         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3456         if (!skb)
3457                 return -ENOMEM;
3458
3459         cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3460         cmd->enable = enable;
3461
3462         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3463                                    NO_SYNC_WMIFLAG);
3464 }
3465
3466 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3467                                              u16 aid, u16 bitmap, u32 flags)
3468 {
3469         struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3470         struct sk_buff *skb;
3471
3472         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3473         if (!skb)
3474                 return -ENOMEM;
3475
3476         cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3477         cmd->aid = cpu_to_le16(aid);
3478         cmd->bitmap = cpu_to_le16(bitmap);
3479         cmd->flags = cpu_to_le32(flags);
3480
3481         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3482                                    WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3483                                    NO_SYNC_WMIFLAG);
3484 }
3485
3486 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3487                                       struct ath6kl_vif *vif)
3488 {
3489         struct wmi_pspoll_event *ev;
3490
3491         if (len < sizeof(struct wmi_pspoll_event))
3492                 return -EINVAL;
3493
3494         ev = (struct wmi_pspoll_event *) datap;
3495
3496         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3497
3498         return 0;
3499 }
3500
3501 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3502                                           struct ath6kl_vif *vif)
3503 {
3504         ath6kl_dtimexpiry_event(vif);
3505
3506         return 0;
3507 }
3508
3509 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3510                            bool flag)
3511 {
3512         struct sk_buff *skb;
3513         struct wmi_ap_set_pvb_cmd *cmd;
3514         int ret;
3515
3516         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3517         if (!skb)
3518                 return -ENOMEM;
3519
3520         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3521         cmd->aid = cpu_to_le16(aid);
3522         cmd->rsvd = cpu_to_le16(0);
3523         cmd->flag = cpu_to_le32(flag);
3524
3525         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3526                                   NO_SYNC_WMIFLAG);
3527
3528         return ret;
3529 }
3530
3531 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3532                                        u8 rx_meta_ver,
3533                                        bool rx_dot11_hdr, bool defrag_on_host)
3534 {
3535         struct sk_buff *skb;
3536         struct wmi_rx_frame_format_cmd *cmd;
3537         int ret;
3538
3539         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3540         if (!skb)
3541                 return -ENOMEM;
3542
3543         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3544         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3545         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3546         cmd->meta_ver = rx_meta_ver;
3547
3548         /* Delete the local aggr state, on host */
3549         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3550                                   NO_SYNC_WMIFLAG);
3551
3552         return ret;
3553 }
3554
3555 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3556                              const u8 *ie, u8 ie_len)
3557 {
3558         struct sk_buff *skb;
3559         struct wmi_set_appie_cmd *p;
3560
3561         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3562         if (!skb)
3563                 return -ENOMEM;
3564
3565         ath6kl_dbg(ATH6KL_DBG_WMI,
3566                    "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3567                    mgmt_frm_type, ie_len);
3568         p = (struct wmi_set_appie_cmd *) skb->data;
3569         p->mgmt_frm_type = mgmt_frm_type;
3570         p->ie_len = ie_len;
3571
3572         if (ie != NULL && ie_len > 0)
3573                 memcpy(p->ie_info, ie, ie_len);
3574
3575         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3576                                    NO_SYNC_WMIFLAG);
3577 }
3578
3579 int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3580                           const u8 *ie_info, u8 ie_len)
3581 {
3582         struct sk_buff *skb;
3583         struct wmi_set_ie_cmd *p;
3584
3585         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3586         if (!skb)
3587                 return -ENOMEM;
3588
3589         ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3590                    ie_id, ie_field, ie_len);
3591         p = (struct wmi_set_ie_cmd *) skb->data;
3592         p->ie_id = ie_id;
3593         p->ie_field = ie_field;
3594         p->ie_len = ie_len;
3595         if (ie_info && ie_len > 0)
3596                 memcpy(p->ie_info, ie_info, ie_len);
3597
3598         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,
3599                                    NO_SYNC_WMIFLAG);
3600 }
3601
3602 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3603 {
3604         struct sk_buff *skb;
3605         struct wmi_disable_11b_rates_cmd *cmd;
3606
3607         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3608         if (!skb)
3609                 return -ENOMEM;
3610
3611         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3612                    disable);
3613         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3614         cmd->disable = disable ? 1 : 0;
3615
3616         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3617                                    NO_SYNC_WMIFLAG);
3618 }
3619
3620 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3621 {
3622         struct sk_buff *skb;
3623         struct wmi_remain_on_chnl_cmd *p;
3624
3625         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3626         if (!skb)
3627                 return -ENOMEM;
3628
3629         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3630                    freq, dur);
3631         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3632         p->freq = cpu_to_le32(freq);
3633         p->duration = cpu_to_le32(dur);
3634         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3635                                    NO_SYNC_WMIFLAG);
3636 }
3637
3638 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3639  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3640  * mgmt operations using station interface.
3641  */
3642 static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3643                                       u32 freq, u32 wait, const u8 *data,
3644                                       u16 data_len)
3645 {
3646         struct sk_buff *skb;
3647         struct wmi_send_action_cmd *p;
3648         u8 *buf;
3649
3650         if (wait)
3651                 return -EINVAL; /* Offload for wait not supported */
3652
3653         buf = kmemdup(data, data_len, GFP_KERNEL);
3654         if (!buf)
3655                 return -ENOMEM;
3656
3657         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3658         if (!skb) {
3659                 kfree(buf);
3660                 return -ENOMEM;
3661         }
3662
3663         kfree(wmi->last_mgmt_tx_frame);
3664         wmi->last_mgmt_tx_frame = buf;
3665         wmi->last_mgmt_tx_frame_len = data_len;
3666
3667         ath6kl_dbg(ATH6KL_DBG_WMI,
3668                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3669                    id, freq, wait, data_len);
3670         p = (struct wmi_send_action_cmd *) skb->data;
3671         p->id = cpu_to_le32(id);
3672         p->freq = cpu_to_le32(freq);
3673         p->wait = cpu_to_le32(wait);
3674         p->len = cpu_to_le16(data_len);
3675         memcpy(p->data, data, data_len);
3676         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3677                                    NO_SYNC_WMIFLAG);
3678 }
3679
3680 static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3681                                       u32 freq, u32 wait, const u8 *data,
3682                                       u16 data_len, u32 no_cck)
3683 {
3684         struct sk_buff *skb;
3685         struct wmi_send_mgmt_cmd *p;
3686         u8 *buf;
3687
3688         if (wait)
3689                 return -EINVAL; /* Offload for wait not supported */
3690
3691         buf = kmemdup(data, data_len, GFP_KERNEL);
3692         if (!buf)
3693                 return -ENOMEM;
3694
3695         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3696         if (!skb) {
3697                 kfree(buf);
3698                 return -ENOMEM;
3699         }
3700
3701         kfree(wmi->last_mgmt_tx_frame);
3702         wmi->last_mgmt_tx_frame = buf;
3703         wmi->last_mgmt_tx_frame_len = data_len;
3704
3705         ath6kl_dbg(ATH6KL_DBG_WMI,
3706                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3707                    id, freq, wait, data_len);
3708         p = (struct wmi_send_mgmt_cmd *) skb->data;
3709         p->id = cpu_to_le32(id);
3710         p->freq = cpu_to_le32(freq);
3711         p->wait = cpu_to_le32(wait);
3712         p->no_cck = cpu_to_le32(no_cck);
3713         p->len = cpu_to_le16(data_len);
3714         memcpy(p->data, data, data_len);
3715         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3716                                    NO_SYNC_WMIFLAG);
3717 }
3718
3719 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3720                                 u32 wait, const u8 *data, u16 data_len,
3721                                 u32 no_cck)
3722 {
3723         int status;
3724         struct ath6kl *ar = wmi->parent_dev;
3725
3726         if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3727                      ar->fw_capabilities)) {
3728                 /*
3729                  * If capable of doing P2P mgmt operations using
3730                  * station interface, send additional information like
3731                  * supported rates to advertise and xmit rates for
3732                  * probe requests
3733                  */
3734                 status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3735                                                     wait, data, data_len,
3736                                                     no_cck);
3737         } else {
3738                 status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3739                                                     wait, data, data_len);
3740         }
3741
3742         return status;
3743 }
3744
3745 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3746                                        const u8 *dst, const u8 *data,
3747                                        u16 data_len)
3748 {
3749         struct sk_buff *skb;
3750         struct wmi_p2p_probe_response_cmd *p;
3751         size_t cmd_len = sizeof(*p) + data_len;
3752
3753         if (data_len == 0)
3754                 cmd_len++; /* work around target minimum length requirement */
3755
3756         skb = ath6kl_wmi_get_new_buf(cmd_len);
3757         if (!skb)
3758                 return -ENOMEM;
3759
3760         ath6kl_dbg(ATH6KL_DBG_WMI,
3761                    "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3762                    freq, dst, data_len);
3763         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3764         p->freq = cpu_to_le32(freq);
3765         memcpy(p->destination_addr, dst, ETH_ALEN);
3766         p->len = cpu_to_le16(data_len);
3767         memcpy(p->data, data, data_len);
3768         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3769                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3770                                    NO_SYNC_WMIFLAG);
3771 }
3772
3773 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3774 {
3775         struct sk_buff *skb;
3776         struct wmi_probe_req_report_cmd *p;
3777
3778         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3779         if (!skb)
3780                 return -ENOMEM;
3781
3782         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3783                    enable);
3784         p = (struct wmi_probe_req_report_cmd *) skb->data;
3785         p->enable = enable ? 1 : 0;
3786         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3787                                    NO_SYNC_WMIFLAG);
3788 }
3789
3790 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3791 {
3792         struct sk_buff *skb;
3793         struct wmi_get_p2p_info *p;
3794
3795         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3796         if (!skb)
3797                 return -ENOMEM;
3798
3799         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3800                    info_req_flags);
3801         p = (struct wmi_get_p2p_info *) skb->data;
3802         p->info_req_flags = cpu_to_le32(info_req_flags);
3803         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3804                                    NO_SYNC_WMIFLAG);
3805 }
3806
3807 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3808 {
3809         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3810         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3811                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3812 }
3813
3814 int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3815 {
3816         struct sk_buff *skb;
3817         struct wmi_set_inact_period_cmd *cmd;
3818
3819         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3820         if (!skb)
3821                 return -ENOMEM;
3822
3823         cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3824         cmd->inact_period = cpu_to_le32(inact_timeout);
3825         cmd->num_null_func = 0;
3826
3827         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,
3828                                    NO_SYNC_WMIFLAG);
3829 }
3830
3831 static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,
3832                                                int len)
3833 {
3834         struct wmix_hb_challenge_resp_cmd *cmd;
3835
3836         if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
3837                 return;
3838
3839         cmd = (struct wmix_hb_challenge_resp_cmd *) datap;
3840         ath6kl_recovery_hb_event(wmi->parent_dev,
3841                                  le32_to_cpu(cmd->cookie));
3842 }
3843
3844 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3845 {
3846         struct wmix_cmd_hdr *cmd;
3847         u32 len;
3848         u16 id;
3849         u8 *datap;
3850         int ret = 0;
3851
3852         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3853                 ath6kl_err("bad packet 1\n");
3854                 return -EINVAL;
3855         }
3856
3857         cmd = (struct wmix_cmd_hdr *) skb->data;
3858         id = le32_to_cpu(cmd->cmd_id);
3859
3860         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3861
3862         datap = skb->data;
3863         len = skb->len;
3864
3865         switch (id) {
3866         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3867                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3868                 ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);
3869                 break;
3870         case WMIX_DBGLOG_EVENTID:
3871                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3872                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3873                 break;
3874         default:
3875                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3876                 ret = -EINVAL;
3877                 break;
3878         }
3879
3880         return ret;
3881 }
3882
3883 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3884 {
3885         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3886 }
3887
3888 /* Process interface specific wmi events, caller would free the datap */
3889 static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3890                                         u8 *datap, u32 len)
3891 {
3892         struct ath6kl_vif *vif;
3893
3894         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3895         if (!vif) {
3896                 ath6kl_dbg(ATH6KL_DBG_WMI,
3897                            "Wmi event for unavailable vif, vif_index:%d\n",
3898                             if_idx);
3899                 return -EINVAL;
3900         }
3901
3902         switch (cmd_id) {
3903         case WMI_CONNECT_EVENTID:
3904                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3905                 return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3906         case WMI_DISCONNECT_EVENTID:
3907                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3908                 return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3909         case WMI_TKIP_MICERR_EVENTID:
3910                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3911                 return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3912         case WMI_BSSINFO_EVENTID:
3913                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3914                 return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3915         case WMI_NEIGHBOR_REPORT_EVENTID:
3916                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3917                 return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3918                                                            vif);
3919         case WMI_SCAN_COMPLETE_EVENTID:
3920                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3921                 return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3922         case WMI_REPORT_STATISTICS_EVENTID:
3923                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3924                 return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3925         case WMI_CAC_EVENTID:
3926                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3927                 return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3928         case WMI_PSPOLL_EVENTID:
3929                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3930                 return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3931         case WMI_DTIMEXPIRY_EVENTID:
3932                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3933                 return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3934         case WMI_ADDBA_REQ_EVENTID:
3935                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3936                 return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3937         case WMI_DELBA_REQ_EVENTID:
3938                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3939                 return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3940         case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3941                 ath6kl_dbg(ATH6KL_DBG_WMI,
3942                            "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3943                 return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3944         case WMI_REMAIN_ON_CHNL_EVENTID:
3945                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3946                 return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3947         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3948                 ath6kl_dbg(ATH6KL_DBG_WMI,
3949                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3950                 return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3951                                                                  len, vif);
3952         case WMI_TX_STATUS_EVENTID:
3953                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3954                 return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3955         case WMI_RX_PROBE_REQ_EVENTID:
3956                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3957                 return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3958         case WMI_RX_ACTION_EVENTID:
3959                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3960                 return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3961         case WMI_TXE_NOTIFY_EVENTID:
3962                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");
3963                 return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
3964         default:
3965                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3966                 return -EINVAL;
3967         }
3968
3969         return 0;
3970 }
3971
3972 static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3973 {
3974         struct wmi_cmd_hdr *cmd;
3975         int ret = 0;
3976         u32 len;
3977         u16 id;
3978         u8 if_idx;
3979         u8 *datap;
3980
3981         cmd = (struct wmi_cmd_hdr *) skb->data;
3982         id = le16_to_cpu(cmd->cmd_id);
3983         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3984
3985         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3986         datap = skb->data;
3987         len = skb->len;
3988
3989         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3990         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3991                         datap, len);
3992
3993         switch (id) {
3994         case WMI_GET_BITRATE_CMDID:
3995                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3996                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3997                 break;
3998         case WMI_GET_CHANNEL_LIST_CMDID:
3999                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
4000                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
4001                 break;
4002         case WMI_GET_TX_PWR_CMDID:
4003                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
4004                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
4005                 break;
4006         case WMI_READY_EVENTID:
4007                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
4008                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
4009                 break;
4010         case WMI_PEER_NODE_EVENTID:
4011                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
4012                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
4013                 break;
4014         case WMI_REGDOMAIN_EVENTID:
4015                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
4016                 ath6kl_wmi_regdomain_event(wmi, datap, len);
4017                 break;
4018         case WMI_PSTREAM_TIMEOUT_EVENTID:
4019                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
4020                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
4021                 break;
4022         case WMI_CMDERROR_EVENTID:
4023                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
4024                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
4025                 break;
4026         case WMI_RSSI_THRESHOLD_EVENTID:
4027                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
4028                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
4029                 break;
4030         case WMI_ERROR_REPORT_EVENTID:
4031                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
4032                 break;
4033         case WMI_OPT_RX_FRAME_EVENTID:
4034                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
4035                 /* this event has been deprecated */
4036                 break;
4037         case WMI_REPORT_ROAM_TBL_EVENTID:
4038                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
4039                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
4040                 break;
4041         case WMI_EXTENSION_EVENTID:
4042                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
4043                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
4044                 break;
4045         case WMI_CHANNEL_CHANGE_EVENTID:
4046                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
4047                 break;
4048         case WMI_REPORT_ROAM_DATA_EVENTID:
4049                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
4050                 break;
4051         case WMI_TEST_EVENTID:
4052                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
4053                 ret = ath6kl_wmi_test_rx(wmi, datap, len);
4054                 break;
4055         case WMI_GET_FIXRATES_CMDID:
4056                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
4057                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
4058                 break;
4059         case WMI_TX_RETRY_ERR_EVENTID:
4060                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
4061                 break;
4062         case WMI_SNR_THRESHOLD_EVENTID:
4063                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
4064                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
4065                 break;
4066         case WMI_LQ_THRESHOLD_EVENTID:
4067                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
4068                 break;
4069         case WMI_APLIST_EVENTID:
4070                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
4071                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
4072                 break;
4073         case WMI_GET_KEEPALIVE_CMDID:
4074                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
4075                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
4076                 break;
4077         case WMI_GET_WOW_LIST_EVENTID:
4078                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
4079                 break;
4080         case WMI_GET_PMKID_LIST_EVENTID:
4081                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
4082                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
4083                 break;
4084         case WMI_SET_PARAMS_REPLY_EVENTID:
4085                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
4086                 break;
4087         case WMI_ADDBA_RESP_EVENTID:
4088                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
4089                 break;
4090         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
4091                 ath6kl_dbg(ATH6KL_DBG_WMI,
4092                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
4093                 break;
4094         case WMI_REPORT_BTCOEX_STATS_EVENTID:
4095                 ath6kl_dbg(ATH6KL_DBG_WMI,
4096                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
4097                 break;
4098         case WMI_TX_COMPLETE_EVENTID:
4099                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
4100                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
4101                 break;
4102         case WMI_P2P_CAPABILITIES_EVENTID:
4103                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
4104                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
4105                 break;
4106         case WMI_P2P_INFO_EVENTID:
4107                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
4108                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
4109                 break;
4110         default:
4111                 /* may be the event is interface specific */
4112                 ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
4113                 break;
4114         }
4115
4116         dev_kfree_skb(skb);
4117         return ret;
4118 }
4119
4120 /* Control Path */
4121 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
4122 {
4123         if (WARN_ON(skb == NULL))
4124                 return -EINVAL;
4125
4126         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
4127                 ath6kl_err("bad packet 1\n");
4128                 dev_kfree_skb(skb);
4129                 return -EINVAL;
4130         }
4131
4132         trace_ath6kl_wmi_event(skb->data, skb->len);
4133
4134         return ath6kl_wmi_proc_events(wmi, skb);
4135 }
4136
4137 void ath6kl_wmi_reset(struct wmi *wmi)
4138 {
4139         spin_lock_bh(&wmi->lock);
4140
4141         wmi->fat_pipe_exist = 0;
4142         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
4143
4144         spin_unlock_bh(&wmi->lock);
4145 }
4146
4147 void *ath6kl_wmi_init(struct ath6kl *dev)
4148 {
4149         struct wmi *wmi;
4150
4151         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
4152         if (!wmi)
4153                 return NULL;
4154
4155         spin_lock_init(&wmi->lock);
4156
4157         wmi->parent_dev = dev;
4158
4159         wmi->pwr_mode = REC_POWER;
4160
4161         ath6kl_wmi_reset(wmi);
4162
4163         return wmi;
4164 }
4165
4166 void ath6kl_wmi_shutdown(struct wmi *wmi)
4167 {
4168         if (!wmi)
4169                 return;
4170
4171         kfree(wmi->last_mgmt_tx_frame);
4172         kfree(wmi);
4173 }