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 0:
 425                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 426                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 427                 break;
 428         case IEEE80211_FCTL_TODS:
 429                 memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
 430                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 431                 break;
 432         case IEEE80211_FCTL_FROMDS:
 433                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 434                 memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
 435                 break;
 436         case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
 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         ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 780                             NO_SYNC_WMIFLAG);
 781
 782         return 0;
 783 }
 784
 785 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
 786 {
 787         struct sk_buff *skb;
 788         struct roam_ctrl_cmd *cmd;
 789
 790         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 791         if (!skb)
 792                 return -ENOMEM;
 793
 794         cmd = (struct roam_ctrl_cmd *) skb->data;
 795
 796         memcpy(cmd->info.bssid, bssid, ETH_ALEN);
 797         cmd->roam_ctrl = WMI_FORCE_ROAM;
 798
 799         ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
 800         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 801                                    NO_SYNC_WMIFLAG);
 802 }
 803
 804 int ath6kl_wmi_ap_set_beacon_intvl_cmd(struct wmi *wmi, u8 if_idx,
 805                                        u32 beacon_intvl)
 806 {
 807         struct sk_buff *skb;
 808         struct set_beacon_int_cmd *cmd;
 809
 810         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 811         if (!skb)
 812                 return -ENOMEM;
 813
 814         cmd = (struct set_beacon_int_cmd *) skb->data;
 815
 816         cmd->beacon_intvl = cpu_to_le32(beacon_intvl);
 817         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 818                                    WMI_SET_BEACON_INT_CMDID, NO_SYNC_WMIFLAG);
 819 }
 820
 821 int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period)
 822 {
 823         struct sk_buff *skb;
 824         struct set_dtim_cmd *cmd;
 825
 826         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 827         if (!skb)
 828                 return -ENOMEM;
 829
 830         cmd = (struct set_dtim_cmd *) skb->data;
 831
 832         cmd->dtim_period = cpu_to_le32(dtim_period);
 833         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 834                                    WMI_AP_SET_DTIM_CMDID, NO_SYNC_WMIFLAG);
 835 }
 836
 837 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 838 {
 839         struct sk_buff *skb;
 840         struct roam_ctrl_cmd *cmd;
 841
 842         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 843         if (!skb)
 844                 return -ENOMEM;
 845
 846         cmd = (struct roam_ctrl_cmd *) skb->data;
 847
 848         cmd->info.roam_mode = mode;
 849         cmd->roam_ctrl = WMI_SET_ROAM_MODE;
 850
 851         ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
 852         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 853                                    NO_SYNC_WMIFLAG);
 854 }
 855
 856 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
 857                                        struct ath6kl_vif *vif)
 858 {
 859         struct wmi_connect_event *ev;
 860         u8 *pie, *peie;
 861
 862         if (len < sizeof(struct wmi_connect_event))
 863                 return -EINVAL;
 864
 865         ev = (struct wmi_connect_event *) datap;
 866
 867         if (vif->nw_type == AP_NETWORK) {
 868                 /* AP mode start/STA connected event */
 869                 struct net_device *dev = vif->ndev;
 870                 if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
 871                         ath6kl_dbg(ATH6KL_DBG_WMI,
 872                                    "%s: freq %d bssid %pM (AP started)\n",
 873                                    __func__, le16_to_cpu(ev->u.ap_bss.ch),
 874                                    ev->u.ap_bss.bssid);
 875                         ath6kl_connect_ap_mode_bss(
 876                                 vif, le16_to_cpu(ev->u.ap_bss.ch));
 877                 } else {
 878                         ath6kl_dbg(ATH6KL_DBG_WMI,
 879                                    "%s: aid %u mac_addr %pM auth=%u keymgmt=%u cipher=%u apsd_info=%u (STA connected)\n",
 880                                    __func__, ev->u.ap_sta.aid,
 881                                    ev->u.ap_sta.mac_addr,
 882                                    ev->u.ap_sta.auth,
 883                                    ev->u.ap_sta.keymgmt,
 884                                    le16_to_cpu(ev->u.ap_sta.cipher),
 885                                    ev->u.ap_sta.apsd_info);
 886
 887                         ath6kl_connect_ap_mode_sta(
 888                                 vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
 889                                 ev->u.ap_sta.keymgmt,
 890                                 le16_to_cpu(ev->u.ap_sta.cipher),
 891                                 ev->u.ap_sta.auth, ev->assoc_req_len,
 892                                 ev->assoc_info + ev->beacon_ie_len,
 893                                 ev->u.ap_sta.apsd_info);
 894                 }
 895                 return 0;
 896         }
 897
 898         /* STA/IBSS mode connection event */
 899
 900         ath6kl_dbg(ATH6KL_DBG_WMI,
 901                    "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
 902                    le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
 903                    le16_to_cpu(ev->u.sta.listen_intvl),
 904                    le16_to_cpu(ev->u.sta.beacon_intvl),
 905                    le32_to_cpu(ev->u.sta.nw_type));
 906
 907         /* Start of assoc rsp IEs */
 908         pie = ev->assoc_info + ev->beacon_ie_len +
 909               ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
 910
 911         /* End of assoc rsp IEs */
 912         peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
 913             ev->assoc_resp_len;
 914
 915         while (pie < peie) {
 916                 switch (*pie) {
 917                 case WLAN_EID_VENDOR_SPECIFIC:
 918                         if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
 919                             pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
 920                                 /* WMM OUT (00:50:F2) */
 921                                 if (pie[1] > 5 &&
 922                                     pie[6] == WMM_PARAM_OUI_SUBTYPE)
 923                                         wmi->is_wmm_enabled = true;
 924                         }
 925                         break;
 926                 }
 927
 928                 if (wmi->is_wmm_enabled)
 929                         break;
 930
 931                 pie += pie[1] + 2;
 932         }
 933
 934         ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
 935                              ev->u.sta.bssid,
 936                              le16_to_cpu(ev->u.sta.listen_intvl),
 937                              le16_to_cpu(ev->u.sta.beacon_intvl),
 938                              le32_to_cpu(ev->u.sta.nw_type),
 939                              ev->beacon_ie_len, ev->assoc_req_len,
 940                              ev->assoc_resp_len, ev->assoc_info);
 941
 942         return 0;
 943 }
 944
 945 static struct country_code_to_enum_rd *
 946 ath6kl_regd_find_country(u16 countryCode)
 947 {
 948         int i;
 949
 950         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 951                 if (allCountries[i].countryCode == countryCode)
 952                         return &allCountries[i];
 953         }
 954
 955         return NULL;
 956 }
 957
 958 static struct reg_dmn_pair_mapping *
 959 ath6kl_get_regpair(u16 regdmn)
 960 {
 961         int i;
 962
 963         if (regdmn == NO_ENUMRD)
 964                 return NULL;
 965
 966         for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
 967                 if (regDomainPairs[i].reg_domain == regdmn)
 968                         return &regDomainPairs[i];
 969         }
 970
 971         return NULL;
 972 }
 973
 974 static struct country_code_to_enum_rd *
 975 ath6kl_regd_find_country_by_rd(u16 regdmn)
 976 {
 977         int i;
 978
 979         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 980                 if (allCountries[i].regDmnEnum == regdmn)
 981                         return &allCountries[i];
 982         }
 983
 984         return NULL;
 985 }
 986
 987 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 988 {
 989         struct ath6kl_wmi_regdomain *ev;
 990         struct country_code_to_enum_rd *country = NULL;
 991         struct reg_dmn_pair_mapping *regpair = NULL;
 992         char alpha2[2];
 993         u32 reg_code;
 994
 995         ev = (struct ath6kl_wmi_regdomain *) datap;
 996         reg_code = le32_to_cpu(ev->reg_code);
 997
 998         if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG) {
 999                 country = ath6kl_regd_find_country((u16) reg_code);
1000         } else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
1001                 regpair = ath6kl_get_regpair((u16) reg_code);
1002                 country = ath6kl_regd_find_country_by_rd((u16) reg_code);
1003                 if (regpair)
1004                         ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
1005                                    regpair->reg_domain);
1006                 else
1007                         ath6kl_warn("Regpair not found reg_code 0x%0x\n",
1008                                     reg_code);
1009         }
1010
1011         if (country && wmi->parent_dev->wiphy_registered) {
1012                 alpha2[0] = country->isoName[0];
1013                 alpha2[1] = country->isoName[1];
1014
1015                 regulatory_hint(wmi->parent_dev->wiphy, alpha2);
1016
1017                 ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
1018                            alpha2[0], alpha2[1]);
1019         }
1020 }
1021
1022 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
1023                                           struct ath6kl_vif *vif)
1024 {
1025         struct wmi_disconnect_event *ev;
1026         wmi->traffic_class = 100;
1027
1028         if (len < sizeof(struct wmi_disconnect_event))
1029                 return -EINVAL;
1030
1031         ev = (struct wmi_disconnect_event *) datap;
1032
1033         ath6kl_dbg(ATH6KL_DBG_WMI,
1034                    "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
1035                    le16_to_cpu(ev->proto_reason_status), ev->bssid,
1036                    ev->disconn_reason, ev->assoc_resp_len);
1037
1038         wmi->is_wmm_enabled = false;
1039
1040         ath6kl_disconnect_event(vif, ev->disconn_reason,
1041                                 ev->bssid, ev->assoc_resp_len, ev->assoc_info,
1042                                 le16_to_cpu(ev->proto_reason_status));
1043
1044         return 0;
1045 }
1046
1047 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
1048 {
1049         struct wmi_peer_node_event *ev;
1050
1051         if (len < sizeof(struct wmi_peer_node_event))
1052                 return -EINVAL;
1053
1054         ev = (struct wmi_peer_node_event *) datap;
1055
1056         if (ev->event_code == PEER_NODE_JOIN_EVENT)
1057                 ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
1058                            ev->peer_mac_addr);
1059         else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
1060                 ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
1061                            ev->peer_mac_addr);
1062
1063         return 0;
1064 }
1065
1066 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
1067                                            struct ath6kl_vif *vif)
1068 {
1069         struct wmi_tkip_micerr_event *ev;
1070
1071         if (len < sizeof(struct wmi_tkip_micerr_event))
1072                 return -EINVAL;
1073
1074         ev = (struct wmi_tkip_micerr_event *) datap;
1075
1076         ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
1077
1078         return 0;
1079 }
1080
1081 void ath6kl_wmi_sscan_timer(unsigned long ptr)
1082 {
1083         struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
1084
1085         cfg80211_sched_scan_results(vif->ar->wiphy);
1086 }
1087
1088 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
1089                                        struct ath6kl_vif *vif)
1090 {
1091         struct wmi_bss_info_hdr2 *bih;
1092         u8 *buf;
1093         struct ieee80211_channel *channel;
1094         struct ath6kl *ar = wmi->parent_dev;
1095         struct cfg80211_bss *bss;
1096
1097         if (len <= sizeof(struct wmi_bss_info_hdr2))
1098                 return -EINVAL;
1099
1100         bih = (struct wmi_bss_info_hdr2 *) datap;
1101         buf = datap + sizeof(struct wmi_bss_info_hdr2);
1102         len -= sizeof(struct wmi_bss_info_hdr2);
1103
1104         ath6kl_dbg(ATH6KL_DBG_WMI,
1105                    "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1106                    "frame_type=%d\n",
1107                    bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1108                    bih->frame_type);
1109
1110         if (bih->frame_type != BEACON_FTYPE &&
1111             bih->frame_type != PROBERESP_FTYPE)
1112                 return 0; /* Only update BSS table for now */
1113
1114         if (bih->frame_type == BEACON_FTYPE &&
1115             test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1116                 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1117                 ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1118                                          NONE_BSS_FILTER, 0);
1119         }
1120
1121         channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1122         if (channel == NULL)
1123                 return -EINVAL;
1124
1125         if (len < 8 + 2 + 2)
1126                 return -EINVAL;
1127
1128         if (bih->frame_type == BEACON_FTYPE &&
1129             test_bit(CONNECTED, &vif->flags) &&
1130             memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1131                 const u8 *tim;
1132                 tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1133                                        len - 8 - 2 - 2);
1134                 if (tim && tim[1] >= 2) {
1135                         vif->assoc_bss_dtim_period = tim[3];
1136                         set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1137                 }
1138         }
1139
1140         bss = cfg80211_inform_bss(ar->wiphy, channel,
1141                                   bih->frame_type == BEACON_FTYPE ?
1142                                         CFG80211_BSS_FTYPE_BEACON :
1143                                         CFG80211_BSS_FTYPE_PRESP,
1144                                   bih->bssid, get_unaligned_le64((__le64 *)buf),
1145                                   get_unaligned_le16(((__le16 *)buf) + 5),
1146                                   get_unaligned_le16(((__le16 *)buf) + 4),
1147                                   buf + 8 + 2 + 2, len - 8 - 2 - 2,
1148                                   (bih->snr - 95) * 100, GFP_ATOMIC);
1149         if (bss == NULL)
1150                 return -ENOMEM;
1151         cfg80211_put_bss(ar->wiphy, bss);
1152
1153         /*
1154          * Firmware doesn't return any event when scheduled scan has
1155          * finished, so we need to use a timer to find out when there are
1156          * no more results.
1157          *
1158          * The timer is started from the first bss info received, otherwise
1159          * the timer would not ever fire if the scan interval is short
1160          * enough.
1161          */
1162         if (test_bit(SCHED_SCANNING, &vif->flags) &&
1163             !timer_pending(&vif->sched_scan_timer)) {
1164                 mod_timer(&vif->sched_scan_timer, jiffies +
1165                           msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1166         }
1167
1168         return 0;
1169 }
1170
1171 /* Inactivity timeout of a fatpipe(pstream) at the target */
1172 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1173                                                int len)
1174 {
1175         struct wmi_pstream_timeout_event *ev;
1176
1177         if (len < sizeof(struct wmi_pstream_timeout_event))
1178                 return -EINVAL;
1179
1180         ev = (struct wmi_pstream_timeout_event *) datap;
1181
1182         /*
1183          * When the pstream (fat pipe == AC) timesout, it means there were
1184          * no thinStreams within this pstream & it got implicitly created
1185          * due to data flow on this AC. We start the inactivity timer only
1186          * for implicitly created pstream. Just reset the host state.
1187          */
1188         spin_lock_bh(&wmi->lock);
1189         wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1190         wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1191         spin_unlock_bh(&wmi->lock);
1192
1193         /* Indicate inactivity to driver layer for this fatpipe (pstream) */
1194         ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1195
1196         return 0;
1197 }
1198
1199 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1200 {
1201         struct wmi_bit_rate_reply *reply;
1202         s32 rate;
1203         u32 sgi, index;
1204
1205         if (len < sizeof(struct wmi_bit_rate_reply))
1206                 return -EINVAL;
1207
1208         reply = (struct wmi_bit_rate_reply *) datap;
1209
1210         ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1211
1212         if (reply->rate_index == (s8) RATE_AUTO) {
1213                 rate = RATE_AUTO;
1214         } else {
1215                 index = reply->rate_index & 0x7f;
1216                 if (WARN_ON_ONCE(index > (RATE_MCS_7_40 + 1)))
1217                         return -EINVAL;
1218
1219                 sgi = (reply->rate_index & 0x80) ? 1 : 0;
1220                 rate = wmi_rate_tbl[index][sgi];
1221         }
1222
1223         ath6kl_wakeup_event(wmi->parent_dev);
1224
1225         return 0;
1226 }
1227
1228 static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1229 {
1230         ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1231
1232         return 0;
1233 }
1234
1235 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1236 {
1237         if (len < sizeof(struct wmi_fix_rates_reply))
1238                 return -EINVAL;
1239
1240         ath6kl_wakeup_event(wmi->parent_dev);
1241
1242         return 0;
1243 }
1244
1245 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1246 {
1247         if (len < sizeof(struct wmi_channel_list_reply))
1248                 return -EINVAL;
1249
1250         ath6kl_wakeup_event(wmi->parent_dev);
1251
1252         return 0;
1253 }
1254
1255 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1256 {
1257         struct wmi_tx_pwr_reply *reply;
1258
1259         if (len < sizeof(struct wmi_tx_pwr_reply))
1260                 return -EINVAL;
1261
1262         reply = (struct wmi_tx_pwr_reply *) datap;
1263         ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1264
1265         return 0;
1266 }
1267
1268 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1269 {
1270         if (len < sizeof(struct wmi_get_keepalive_cmd))
1271                 return -EINVAL;
1272
1273         ath6kl_wakeup_event(wmi->parent_dev);
1274
1275         return 0;
1276 }
1277
1278 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1279                                        struct ath6kl_vif *vif)
1280 {
1281         struct wmi_scan_complete_event *ev;
1282
1283         ev = (struct wmi_scan_complete_event *) datap;
1284
1285         ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1286         wmi->is_probe_ssid = false;
1287
1288         return 0;
1289 }
1290
1291 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1292                                                int len, struct ath6kl_vif *vif)
1293 {
1294         struct wmi_neighbor_report_event *ev;
1295         u8 i;
1296
1297         if (len < sizeof(*ev))
1298                 return -EINVAL;
1299         ev = (struct wmi_neighbor_report_event *) datap;
1300         if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1301             > len) {
1302                 ath6kl_dbg(ATH6KL_DBG_WMI,
1303                            "truncated neighbor event (num=%d len=%d)\n",
1304                            ev->num_neighbors, len);
1305                 return -EINVAL;
1306         }
1307         for (i = 0; i < ev->num_neighbors; i++) {
1308                 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1309                            i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1310                            ev->neighbor[i].bss_flags);
1311                 cfg80211_pmksa_candidate_notify(vif->ndev, i,
1312                                                 ev->neighbor[i].bssid,
1313                                                 !!(ev->neighbor[i].bss_flags &
1314                                                    WMI_PREAUTH_CAPABLE_BSS),
1315                                                 GFP_ATOMIC);
1316         }
1317
1318         return 0;
1319 }
1320
1321 /*
1322  * Target is reporting a programming error.  This is for
1323  * developer aid only.  Target only checks a few common violations
1324  * and it is responsibility of host to do all error checking.
1325  * Behavior of target after wmi error event is undefined.
1326  * A reset is recommended.
1327  */
1328 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1329 {
1330         const char *type = "unknown error";
1331         struct wmi_cmd_error_event *ev;
1332         ev = (struct wmi_cmd_error_event *) datap;
1333
1334         switch (ev->err_code) {
1335         case INVALID_PARAM:
1336                 type = "invalid parameter";
1337                 break;
1338         case ILLEGAL_STATE:
1339                 type = "invalid state";
1340                 break;
1341         case INTERNAL_ERROR:
1342                 type = "internal error";
1343                 break;
1344         }
1345
1346         ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1347                    ev->cmd_id, type);
1348
1349         return 0;
1350 }
1351
1352 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1353                                      struct ath6kl_vif *vif)
1354 {
1355         ath6kl_tgt_stats_event(vif, datap, len);
1356
1357         return 0;
1358 }
1359
1360 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1361                                          struct sq_threshold_params *sq_thresh,
1362                                          u32 size)
1363 {
1364         u32 index;
1365         u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1366
1367         /* The list is already in sorted order. Get the next lower value */
1368         for (index = 0; index < size; index++) {
1369                 if (rssi < sq_thresh->upper_threshold[index]) {
1370                         threshold = (u8) sq_thresh->upper_threshold[index];
1371                         break;
1372                 }
1373         }
1374
1375         return threshold;
1376 }
1377
1378 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1379                                          struct sq_threshold_params *sq_thresh,
1380                                          u32 size)
1381 {
1382         u32 index;
1383         u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1384
1385         /* The list is already in sorted order. Get the next lower value */
1386         for (index = 0; index < size; index++) {
1387                 if (rssi > sq_thresh->lower_threshold[index]) {
1388                         threshold = (u8) sq_thresh->lower_threshold[index];
1389                         break;
1390                 }
1391         }
1392
1393         return threshold;
1394 }
1395
1396 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1397                         struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1398 {
1399         struct sk_buff *skb;
1400         struct wmi_rssi_threshold_params_cmd *cmd;
1401
1402         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1403         if (!skb)
1404                 return -ENOMEM;
1405
1406         cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1407         memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1408
1409         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1410                                    NO_SYNC_WMIFLAG);
1411 }
1412
1413 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1414                                               int len)
1415 {
1416         struct wmi_rssi_threshold_event *reply;
1417         struct wmi_rssi_threshold_params_cmd cmd;
1418         struct sq_threshold_params *sq_thresh;
1419         enum wmi_rssi_threshold_val new_threshold;
1420         u8 upper_rssi_threshold, lower_rssi_threshold;
1421         s16 rssi;
1422         int ret;
1423
1424         if (len < sizeof(struct wmi_rssi_threshold_event))
1425                 return -EINVAL;
1426
1427         reply = (struct wmi_rssi_threshold_event *) datap;
1428         new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1429         rssi = a_sle16_to_cpu(reply->rssi);
1430
1431         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1432
1433         /*
1434          * Identify the threshold breached and communicate that to the app.
1435          * After that install a new set of thresholds based on the signal
1436          * quality reported by the target
1437          */
1438         if (new_threshold) {
1439                 /* Upper threshold breached */
1440                 if (rssi < sq_thresh->upper_threshold[0]) {
1441                         ath6kl_dbg(ATH6KL_DBG_WMI,
1442                                    "spurious upper rssi threshold event: %d\n",
1443                                    rssi);
1444                 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1445                            (rssi >= sq_thresh->upper_threshold[0])) {
1446                         new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1447                 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1448                            (rssi >= sq_thresh->upper_threshold[1])) {
1449                         new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1450                 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1451                            (rssi >= sq_thresh->upper_threshold[2])) {
1452                         new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1453                 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1454                            (rssi >= sq_thresh->upper_threshold[3])) {
1455                         new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1456                 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1457                            (rssi >= sq_thresh->upper_threshold[4])) {
1458                         new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1459                 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1460                         new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1461                 }
1462         } else {
1463                 /* Lower threshold breached */
1464                 if (rssi > sq_thresh->lower_threshold[0]) {
1465                         ath6kl_dbg(ATH6KL_DBG_WMI,
1466                                    "spurious lower rssi threshold event: %d %d\n",
1467                                 rssi, sq_thresh->lower_threshold[0]);
1468                 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1469                            (rssi <= sq_thresh->lower_threshold[0])) {
1470                         new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1471                 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1472                            (rssi <= sq_thresh->lower_threshold[1])) {
1473                         new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1474                 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1475                            (rssi <= sq_thresh->lower_threshold[2])) {
1476                         new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1477                 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1478                            (rssi <= sq_thresh->lower_threshold[3])) {
1479                         new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1480                 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1481                            (rssi <= sq_thresh->lower_threshold[4])) {
1482                         new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1483                 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1484                         new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1485                 }
1486         }
1487
1488         /* Calculate and install the next set of thresholds */
1489         lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1490                                        sq_thresh->lower_threshold_valid_count);
1491         upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1492                                        sq_thresh->upper_threshold_valid_count);
1493
1494         /* Issue a wmi command to install the thresholds */
1495         cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1496         cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1497         cmd.weight = sq_thresh->weight;
1498         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1499
1500         ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1501         if (ret) {
1502                 ath6kl_err("unable to configure rssi thresholds\n");
1503                 return -EIO;
1504         }
1505
1506         return 0;
1507 }
1508
1509 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1510                                    struct ath6kl_vif *vif)
1511 {
1512         struct wmi_cac_event *reply;
1513         struct ieee80211_tspec_ie *ts;
1514         u16 active_tsids, tsinfo;
1515         u8 tsid, index;
1516         u8 ts_id;
1517
1518         if (len < sizeof(struct wmi_cac_event))
1519                 return -EINVAL;
1520
1521         reply = (struct wmi_cac_event *) datap;
1522
1523         if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1524             (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1525                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1526                 tsinfo = le16_to_cpu(ts->tsinfo);
1527                 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1528                         IEEE80211_WMM_IE_TSPEC_TID_MASK;
1529
1530                 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1531                                               reply->ac, tsid);
1532         } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1533                 /*
1534                  * Following assumes that there is only one outstanding
1535                  * ADDTS request when this event is received
1536                  */
1537                 spin_lock_bh(&wmi->lock);
1538                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1539                 spin_unlock_bh(&wmi->lock);
1540
1541                 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1542                         if ((active_tsids >> index) & 1)
1543                                 break;
1544                 }
1545                 if (index < (sizeof(active_tsids) * 8))
1546                         ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1547                                                       reply->ac, index);
1548         }
1549
1550         /*
1551          * Clear active tsids and Add missing handling
1552          * for delete qos stream from AP
1553          */
1554         else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1555                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1556                 tsinfo = le16_to_cpu(ts->tsinfo);
1557                 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1558                          IEEE80211_WMM_IE_TSPEC_TID_MASK);
1559
1560                 spin_lock_bh(&wmi->lock);
1561                 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1562                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1563                 spin_unlock_bh(&wmi->lock);
1564
1565                 /* Indicate stream inactivity to driver layer only if all tsids
1566                  * within this AC are deleted.
1567                  */
1568                 if (!active_tsids) {
1569                         ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1570                                                     false);
1571                         wmi->fat_pipe_exist &= ~(1 << reply->ac);
1572                 }
1573         }
1574
1575         return 0;
1576 }
1577
1578 static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,
1579                                           struct ath6kl_vif *vif)
1580 {
1581         struct wmi_txe_notify_event *ev;
1582         u32 rate, pkts;
1583
1584         if (len < sizeof(*ev))
1585                 return -EINVAL;
1586
1587         if (vif->nw_type != INFRA_NETWORK ||
1588             !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY,
1589                       vif->ar->fw_capabilities))
1590                 return -EOPNOTSUPP;
1591
1592         if (vif->sme_state != SME_CONNECTED)
1593                 return -ENOTCONN;
1594
1595         ev = (struct wmi_txe_notify_event *) datap;
1596         rate = le32_to_cpu(ev->rate);
1597         pkts = le32_to_cpu(ev->pkts);
1598
1599         ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d% pkts %d intvl %ds\n",
1600                    vif->bssid, rate, pkts, vif->txe_intvl);
1601
1602         cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,
1603                                 rate, vif->txe_intvl, GFP_KERNEL);
1604
1605         return 0;
1606 }
1607
1608 int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
1609                               u32 rate, u32 pkts, u32 intvl)
1610 {
1611         struct sk_buff *skb;
1612         struct wmi_txe_notify_cmd *cmd;
1613
1614         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1615         if (!skb)
1616                 return -ENOMEM;
1617
1618         cmd = (struct wmi_txe_notify_cmd *) skb->data;
1619         cmd->rate = cpu_to_le32(rate);
1620         cmd->pkts = cpu_to_le32(pkts);
1621         cmd->intvl = cpu_to_le32(intvl);
1622
1623         return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,
1624                                    NO_SYNC_WMIFLAG);
1625 }
1626
1627 int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
1628 {
1629         struct sk_buff *skb;
1630         struct wmi_set_rssi_filter_cmd *cmd;
1631         int ret;
1632
1633         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1634         if (!skb)
1635                 return -ENOMEM;
1636
1637         cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
1638         cmd->rssi = rssi;
1639
1640         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,
1641                                   NO_SYNC_WMIFLAG);
1642         return ret;
1643 }
1644
1645 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1646                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1647 {
1648         struct sk_buff *skb;
1649         struct wmi_snr_threshold_params_cmd *cmd;
1650
1651         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1652         if (!skb)
1653                 return -ENOMEM;
1654
1655         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1656         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1657
1658         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1659                                    NO_SYNC_WMIFLAG);
1660 }
1661
1662 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1663                                              int len)
1664 {
1665         struct wmi_snr_threshold_event *reply;
1666         struct sq_threshold_params *sq_thresh;
1667         struct wmi_snr_threshold_params_cmd cmd;
1668         enum wmi_snr_threshold_val new_threshold;
1669         u8 upper_snr_threshold, lower_snr_threshold;
1670         s16 snr;
1671         int ret;
1672
1673         if (len < sizeof(struct wmi_snr_threshold_event))
1674                 return -EINVAL;
1675
1676         reply = (struct wmi_snr_threshold_event *) datap;
1677
1678         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1679         snr = reply->snr;
1680
1681         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1682
1683         /*
1684          * Identify the threshold breached and communicate that to the app.
1685          * After that install a new set of thresholds based on the signal
1686          * quality reported by the target.
1687          */
1688         if (new_threshold) {
1689                 /* Upper threshold breached */
1690                 if (snr < sq_thresh->upper_threshold[0]) {
1691                         ath6kl_dbg(ATH6KL_DBG_WMI,
1692                                    "spurious upper snr threshold event: %d\n",
1693                                    snr);
1694                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1695                            (snr >= sq_thresh->upper_threshold[0])) {
1696                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1697                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1698                            (snr >= sq_thresh->upper_threshold[1])) {
1699                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1700                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1701                            (snr >= sq_thresh->upper_threshold[2])) {
1702                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1703                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1704                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1705                 }
1706         } else {
1707                 /* Lower threshold breached */
1708                 if (snr > sq_thresh->lower_threshold[0]) {
1709                         ath6kl_dbg(ATH6KL_DBG_WMI,
1710                                    "spurious lower snr threshold event: %d\n",
1711                                    sq_thresh->lower_threshold[0]);
1712                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1713                            (snr <= sq_thresh->lower_threshold[0])) {
1714                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1715                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1716                            (snr <= sq_thresh->lower_threshold[1])) {
1717                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1718                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1719                            (snr <= sq_thresh->lower_threshold[2])) {
1720                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1721                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1722                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1723                 }
1724         }
1725
1726         /* Calculate and install the next set of thresholds */
1727         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1728                                        sq_thresh->lower_threshold_valid_count);
1729         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1730                                        sq_thresh->upper_threshold_valid_count);
1731
1732         /* Issue a wmi command to install the thresholds */
1733         cmd.thresh_above1_val = upper_snr_threshold;
1734         cmd.thresh_below1_val = lower_snr_threshold;
1735         cmd.weight = sq_thresh->weight;
1736         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1737
1738         ath6kl_dbg(ATH6KL_DBG_WMI,
1739                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1740                    snr, new_threshold,
1741                    lower_snr_threshold, upper_snr_threshold);
1742
1743         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1744         if (ret) {
1745                 ath6kl_err("unable to configure snr threshold\n");
1746                 return -EIO;
1747         }
1748
1749         return 0;
1750 }
1751
1752 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1753 {
1754         u16 ap_info_entry_size;
1755         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1756         struct wmi_ap_info_v1 *ap_info_v1;
1757         u8 index;
1758
1759         if (len < sizeof(struct wmi_aplist_event) ||
1760             ev->ap_list_ver != APLIST_VER1)
1761                 return -EINVAL;
1762
1763         ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1764         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1765
1766         ath6kl_dbg(ATH6KL_DBG_WMI,
1767                    "number of APs in aplist event: %d\n", ev->num_ap);
1768
1769         if (len < (int) (sizeof(struct wmi_aplist_event) +
1770                          (ev->num_ap - 1) * ap_info_entry_size))
1771                 return -EINVAL;
1772
1773         /* AP list version 1 contents */
1774         for (index = 0; index < ev->num_ap; index++) {
1775                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1776                            index, ap_info_v1->bssid, ap_info_v1->channel);
1777                 ap_info_v1++;
1778         }
1779
1780         return 0;
1781 }
1782
1783 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1784                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1785 {
1786         struct wmi_cmd_hdr *cmd_hdr;
1787         enum htc_endpoint_id ep_id = wmi->ep_id;
1788         int ret;
1789         u16 info1;
1790
1791         if (WARN_ON(skb == NULL ||
1792                     (if_idx > (wmi->parent_dev->vif_max - 1)))) {
1793                 dev_kfree_skb(skb);
1794                 return -EINVAL;
1795         }
1796
1797         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1798                    cmd_id, skb->len, sync_flag);
1799         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1800                         skb->data, skb->len);
1801
1802         if (sync_flag >= END_WMIFLAG) {
1803                 dev_kfree_skb(skb);
1804                 return -EINVAL;
1805         }
1806
1807         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1808             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1809                 /*
1810                  * Make sure all data currently queued is transmitted before
1811                  * the cmd execution.  Establish a new sync point.
1812                  */
1813                 ath6kl_wmi_sync_point(wmi, if_idx);
1814         }
1815
1816         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1817
1818         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1819         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1820         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1821         cmd_hdr->info1 = cpu_to_le16(info1);
1822
1823         /* Only for OPT_TX_CMD, use BE endpoint. */
1824         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1825                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1826                                               false, false, 0, NULL, if_idx);
1827                 if (ret) {
1828                         dev_kfree_skb(skb);
1829                         return ret;
1830                 }
1831                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1832         }
1833
1834         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1835
1836         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1837             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1838                 /*
1839                  * Make sure all new data queued waits for the command to
1840                  * execute. Establish a new sync point.
1841                  */
1842                 ath6kl_wmi_sync_point(wmi, if_idx);
1843         }
1844
1845         return 0;
1846 }
1847
1848 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1849                            enum network_type nw_type,
1850                            enum dot11_auth_mode dot11_auth_mode,
1851                            enum auth_mode auth_mode,
1852                            enum crypto_type pairwise_crypto,
1853                            u8 pairwise_crypto_len,
1854                            enum crypto_type group_crypto,
1855                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1856                            u8 *bssid, u16 channel, u32 ctrl_flags,
1857                            u8 nw_subtype)
1858 {
1859         struct sk_buff *skb;
1860         struct wmi_connect_cmd *cc;
1861         int ret;
1862
1863         ath6kl_dbg(ATH6KL_DBG_WMI,
1864                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1865                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1866                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1867                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1868         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1869
1870         wmi->traffic_class = 100;
1871
1872         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1873                 return -EINVAL;
1874
1875         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1876                 return -EINVAL;
1877
1878         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1879         if (!skb)
1880                 return -ENOMEM;
1881
1882         cc = (struct wmi_connect_cmd *) skb->data;
1883
1884         if (ssid_len)
1885                 memcpy(cc->ssid, ssid, ssid_len);
1886
1887         cc->ssid_len = ssid_len;
1888         cc->nw_type = nw_type;
1889         cc->dot11_auth_mode = dot11_auth_mode;
1890         cc->auth_mode = auth_mode;
1891         cc->prwise_crypto_type = pairwise_crypto;
1892         cc->prwise_crypto_len = pairwise_crypto_len;
1893         cc->grp_crypto_type = group_crypto;
1894         cc->grp_crypto_len = group_crypto_len;
1895         cc->ch = cpu_to_le16(channel);
1896         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1897         cc->nw_subtype = nw_subtype;
1898
1899         if (bssid != NULL)
1900                 memcpy(cc->bssid, bssid, ETH_ALEN);
1901
1902         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1903                                   NO_SYNC_WMIFLAG);
1904
1905         return ret;
1906 }
1907
1908 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1909                              u16 channel)
1910 {
1911         struct sk_buff *skb;
1912         struct wmi_reconnect_cmd *cc;
1913         int ret;
1914
1915         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1916                    bssid, channel);
1917
1918         wmi->traffic_class = 100;
1919
1920         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1921         if (!skb)
1922                 return -ENOMEM;
1923
1924         cc = (struct wmi_reconnect_cmd *) skb->data;
1925         cc->channel = cpu_to_le16(channel);
1926
1927         if (bssid != NULL)
1928                 memcpy(cc->bssid, bssid, ETH_ALEN);
1929
1930         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1931                                   NO_SYNC_WMIFLAG);
1932
1933         return ret;
1934 }
1935
1936 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1937 {
1938         int ret;
1939
1940         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1941
1942         wmi->traffic_class = 100;
1943
1944         /* Disconnect command does not need to do a SYNC before. */
1945         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1946
1947         return ret;
1948 }
1949
1950 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1951  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1952  * mgmt operations using station interface.
1953  */
1954 static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1955                                     enum wmi_scan_type scan_type,
1956                                     u32 force_fgscan, u32 is_legacy,
1957                                     u32 home_dwell_time,
1958                                     u32 force_scan_interval,
1959                                     s8 num_chan, u16 *ch_list)
1960 {
1961         struct sk_buff *skb;
1962         struct wmi_start_scan_cmd *sc;
1963         s8 size;
1964         int i, ret;
1965
1966         size = sizeof(struct wmi_start_scan_cmd);
1967
1968         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1969                 return -EINVAL;
1970
1971         if (num_chan > WMI_MAX_CHANNELS)
1972                 return -EINVAL;
1973
1974         if (num_chan)
1975                 size += sizeof(u16) * (num_chan - 1);
1976
1977         skb = ath6kl_wmi_get_new_buf(size);
1978         if (!skb)
1979                 return -ENOMEM;
1980
1981         sc = (struct wmi_start_scan_cmd *) skb->data;
1982         sc->scan_type = scan_type;
1983         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1984         sc->is_legacy = cpu_to_le32(is_legacy);
1985         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1986         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1987         sc->num_ch = num_chan;
1988
1989         for (i = 0; i < num_chan; i++)
1990                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1991
1992         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1993                                   NO_SYNC_WMIFLAG);
1994
1995         return ret;
1996 }
1997
1998 /*
1999  * beginscan supports (compared to old startscan) P2P mgmt operations using
2000  * station interface, send additional information like supported rates to
2001  * advertise and xmit rates for probe requests
2002  */
2003 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
2004                              enum wmi_scan_type scan_type,
2005                              u32 force_fgscan, u32 is_legacy,
2006                              u32 home_dwell_time, u32 force_scan_interval,
2007                              s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
2008 {
2009         struct ieee80211_supported_band *sband;
2010         struct sk_buff *skb;
2011         struct wmi_begin_scan_cmd *sc;
2012         s8 size, *supp_rates;
2013         int i, band, ret;
2014         struct ath6kl *ar = wmi->parent_dev;
2015         int num_rates;
2016         u32 ratemask;
2017
2018         if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
2019                       ar->fw_capabilities)) {
2020                 return ath6kl_wmi_startscan_cmd(wmi, if_idx,
2021                                                 scan_type, force_fgscan,
2022                                                 is_legacy, home_dwell_time,
2023                                                 force_scan_interval,
2024                                                 num_chan, ch_list);
2025         }
2026
2027         size = sizeof(struct wmi_begin_scan_cmd);
2028
2029         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
2030                 return -EINVAL;
2031
2032         if (num_chan > WMI_MAX_CHANNELS)
2033                 return -EINVAL;
2034
2035         if (num_chan)
2036                 size += sizeof(u16) * (num_chan - 1);
2037
2038         skb = ath6kl_wmi_get_new_buf(size);
2039         if (!skb)
2040                 return -ENOMEM;
2041
2042         sc = (struct wmi_begin_scan_cmd *) skb->data;
2043         sc->scan_type = scan_type;
2044         sc->force_fg_scan = cpu_to_le32(force_fgscan);
2045         sc->is_legacy = cpu_to_le32(is_legacy);
2046         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
2047         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
2048         sc->no_cck = cpu_to_le32(no_cck);
2049         sc->num_ch = num_chan;
2050
2051         for (band = 0; band < NUM_NL80211_BANDS; band++) {
2052                 sband = ar->wiphy->bands[band];
2053
2054                 if (!sband)
2055                         continue;
2056
2057                 if (WARN_ON(band >= ATH6KL_NUM_BANDS))
2058                         break;
2059
2060                 ratemask = rates[band];
2061                 supp_rates = sc->supp_rates[band].rates;
2062                 num_rates = 0;
2063
2064                 for (i = 0; i < sband->n_bitrates; i++) {
2065                         if ((BIT(i) & ratemask) == 0)
2066                                 continue; /* skip rate */
2067                         supp_rates[num_rates++] =
2068                             (u8) (sband->bitrates[i].bitrate / 5);
2069                 }
2070                 sc->supp_rates[band].nrates = num_rates;
2071         }
2072
2073         for (i = 0; i < num_chan; i++)
2074                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2075
2076         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
2077                                   NO_SYNC_WMIFLAG);
2078
2079         return ret;
2080 }
2081
2082 int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2083 {
2084         struct sk_buff *skb;
2085         struct wmi_enable_sched_scan_cmd *sc;
2086         int ret;
2087
2088         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2089         if (!skb)
2090                 return -ENOMEM;
2091
2092         ath6kl_dbg(ATH6KL_DBG_WMI, "%s scheduled scan on vif %d\n",
2093                    enable ? "enabling" : "disabling", if_idx);
2094         sc = (struct wmi_enable_sched_scan_cmd *) skb->data;
2095         sc->enable = enable ? 1 : 0;
2096
2097         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2098                                   WMI_ENABLE_SCHED_SCAN_CMDID,
2099                                   NO_SYNC_WMIFLAG);
2100         return ret;
2101 }
2102
2103 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
2104                               u16 fg_start_sec,
2105                               u16 fg_end_sec, u16 bg_sec,
2106                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
2107                               u16 pas_chdw_msec, u8 short_scan_ratio,
2108                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
2109                               u16 maxact_scan_per_ssid)
2110 {
2111         struct sk_buff *skb;
2112         struct wmi_scan_params_cmd *sc;
2113         int ret;
2114
2115         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2116         if (!skb)
2117                 return -ENOMEM;
2118
2119         sc = (struct wmi_scan_params_cmd *) skb->data;
2120         sc->fg_start_period = cpu_to_le16(fg_start_sec);
2121         sc->fg_end_period = cpu_to_le16(fg_end_sec);
2122         sc->bg_period = cpu_to_le16(bg_sec);
2123         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
2124         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
2125         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
2126         sc->short_scan_ratio = short_scan_ratio;
2127         sc->scan_ctrl_flags = scan_ctrl_flag;
2128         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
2129         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
2130
2131         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
2132                                   NO_SYNC_WMIFLAG);
2133         return ret;
2134 }
2135
2136 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
2137 {
2138         struct sk_buff *skb;
2139         struct wmi_bss_filter_cmd *cmd;
2140         int ret;
2141
2142         if (filter >= LAST_BSS_FILTER)
2143                 return -EINVAL;
2144
2145         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2146         if (!skb)
2147                 return -ENOMEM;
2148
2149         cmd = (struct wmi_bss_filter_cmd *) skb->data;
2150         cmd->bss_filter = filter;
2151         cmd->ie_mask = cpu_to_le32(ie_mask);
2152
2153         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
2154                                   NO_SYNC_WMIFLAG);
2155         return ret;
2156 }
2157
2158 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2159                               u8 ssid_len, u8 *ssid)
2160 {
2161         struct sk_buff *skb;
2162         struct wmi_probed_ssid_cmd *cmd;
2163         int ret;
2164
2165         if (index >= MAX_PROBED_SSIDS)
2166                 return -EINVAL;
2167
2168         if (ssid_len > sizeof(cmd->ssid))
2169                 return -EINVAL;
2170
2171         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2172                 return -EINVAL;
2173
2174         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2175                 return -EINVAL;
2176
2177         if (flag & SPECIFIC_SSID_FLAG)
2178                 wmi->is_probe_ssid = true;
2179
2180         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2181         if (!skb)
2182                 return -ENOMEM;
2183
2184         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2185         cmd->entry_index = index;
2186         cmd->flag = flag;
2187         cmd->ssid_len = ssid_len;
2188         memcpy(cmd->ssid, ssid, ssid_len);
2189
2190         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2191                                   NO_SYNC_WMIFLAG);
2192         return ret;
2193 }
2194
2195 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2196                                   u16 listen_interval,
2197                                   u16 listen_beacons)
2198 {
2199         struct sk_buff *skb;
2200         struct wmi_listen_int_cmd *cmd;
2201         int ret;
2202
2203         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2204         if (!skb)
2205                 return -ENOMEM;
2206
2207         cmd = (struct wmi_listen_int_cmd *) skb->data;
2208         cmd->listen_intvl = cpu_to_le16(listen_interval);
2209         cmd->num_beacons = cpu_to_le16(listen_beacons);
2210
2211         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2212                                   NO_SYNC_WMIFLAG);
2213         return ret;
2214 }
2215
2216 int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2217                              u16 bmiss_time, u16 num_beacons)
2218 {
2219         struct sk_buff *skb;
2220         struct wmi_bmiss_time_cmd *cmd;
2221         int ret;
2222
2223         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2224         if (!skb)
2225                 return -ENOMEM;
2226
2227         cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2228         cmd->bmiss_time = cpu_to_le16(bmiss_time);
2229         cmd->num_beacons = cpu_to_le16(num_beacons);
2230
2231         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2232                                   NO_SYNC_WMIFLAG);
2233         return ret;
2234 }
2235
2236 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2237 {
2238         struct sk_buff *skb;
2239         struct wmi_power_mode_cmd *cmd;
2240         int ret;
2241
2242         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2243         if (!skb)
2244                 return -ENOMEM;
2245
2246         cmd = (struct wmi_power_mode_cmd *) skb->data;
2247         cmd->pwr_mode = pwr_mode;
2248         wmi->pwr_mode = pwr_mode;
2249
2250         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2251                                   NO_SYNC_WMIFLAG);
2252         return ret;
2253 }
2254
2255 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2256                             u16 ps_poll_num, u16 dtim_policy,
2257                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2258                             u16 ps_fail_event_policy)
2259 {
2260         struct sk_buff *skb;
2261         struct wmi_power_params_cmd *pm;
2262         int ret;
2263
2264         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2265         if (!skb)
2266                 return -ENOMEM;
2267
2268         pm = (struct wmi_power_params_cmd *)skb->data;
2269         pm->idle_period = cpu_to_le16(idle_period);
2270         pm->pspoll_number = cpu_to_le16(ps_poll_num);
2271         pm->dtim_policy = cpu_to_le16(dtim_policy);
2272         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2273         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2274         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2275
2276         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2277                                   NO_SYNC_WMIFLAG);
2278         return ret;
2279 }
2280
2281 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2282 {
2283         struct sk_buff *skb;
2284         struct wmi_disc_timeout_cmd *cmd;
2285         int ret;
2286
2287         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2288         if (!skb)
2289                 return -ENOMEM;
2290
2291         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2292         cmd->discon_timeout = timeout;
2293
2294         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2295                                   NO_SYNC_WMIFLAG);
2296
2297         if (ret == 0)
2298                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2299
2300         return ret;
2301 }
2302
2303 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2304                           enum crypto_type key_type,
2305                           u8 key_usage, u8 key_len,
2306                           u8 *key_rsc, unsigned int key_rsc_len,
2307                           u8 *key_material,
2308                           u8 key_op_ctrl, u8 *mac_addr,
2309                           enum wmi_sync_flag sync_flag)
2310 {
2311         struct sk_buff *skb;
2312         struct wmi_add_cipher_key_cmd *cmd;
2313         int ret;
2314
2315         ath6kl_dbg(ATH6KL_DBG_WMI,
2316                    "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2317                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2318
2319         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2320             (key_material == NULL) || key_rsc_len > 8)
2321                 return -EINVAL;
2322
2323         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2324                 return -EINVAL;
2325
2326         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2327         if (!skb)
2328                 return -ENOMEM;
2329
2330         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2331         cmd->key_index = key_index;
2332         cmd->key_type = key_type;
2333         cmd->key_usage = key_usage;
2334         cmd->key_len = key_len;
2335         memcpy(cmd->key, key_material, key_len);
2336
2337         if (key_rsc != NULL)
2338                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2339
2340         cmd->key_op_ctrl = key_op_ctrl;
2341
2342         if (mac_addr)
2343                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2344
2345         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2346                                   sync_flag);
2347
2348         return ret;
2349 }
2350
2351 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, const u8 *krk)
2352 {
2353         struct sk_buff *skb;
2354         struct wmi_add_krk_cmd *cmd;
2355         int ret;
2356
2357         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2358         if (!skb)
2359                 return -ENOMEM;
2360
2361         cmd = (struct wmi_add_krk_cmd *) skb->data;
2362         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2363
2364         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2365                                   NO_SYNC_WMIFLAG);
2366
2367         return ret;
2368 }
2369
2370 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2371 {
2372         struct sk_buff *skb;
2373         struct wmi_delete_cipher_key_cmd *cmd;
2374         int ret;
2375
2376         if (key_index > WMI_MAX_KEY_INDEX)
2377                 return -EINVAL;
2378
2379         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2380         if (!skb)
2381                 return -ENOMEM;
2382
2383         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2384         cmd->key_index = key_index;
2385
2386         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2387                                   NO_SYNC_WMIFLAG);
2388
2389         return ret;
2390 }
2391
2392 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2393                             const u8 *pmkid, bool set)
2394 {
2395         struct sk_buff *skb;
2396         struct wmi_setpmkid_cmd *cmd;
2397         int ret;
2398
2399         if (bssid == NULL)
2400                 return -EINVAL;
2401
2402         if (set && pmkid == NULL)
2403                 return -EINVAL;
2404
2405         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2406         if (!skb)
2407                 return -ENOMEM;
2408
2409         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2410         memcpy(cmd->bssid, bssid, ETH_ALEN);
2411         if (set) {
2412                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2413                 cmd->enable = PMKID_ENABLE;
2414         } else {
2415                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2416                 cmd->enable = PMKID_DISABLE;
2417         }
2418
2419         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2420                                   NO_SYNC_WMIFLAG);
2421
2422         return ret;
2423 }
2424
2425 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2426                               enum htc_endpoint_id ep_id, u8 if_idx)
2427 {
2428         struct wmi_data_hdr *data_hdr;
2429         int ret;
2430
2431         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {
2432                 dev_kfree_skb(skb);
2433                 return -EINVAL;
2434         }
2435
2436         skb_push(skb, sizeof(struct wmi_data_hdr));
2437
2438         data_hdr = (struct wmi_data_hdr *) skb->data;
2439         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2440         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2441
2442         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2443
2444         return ret;
2445 }
2446
2447 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2448 {
2449         struct sk_buff *skb;
2450         struct wmi_sync_cmd *cmd;
2451         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2452         enum htc_endpoint_id ep_id;
2453         u8 index, num_pri_streams = 0;
2454         int ret = 0;
2455
2456         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2457
2458         spin_lock_bh(&wmi->lock);
2459
2460         for (index = 0; index < WMM_NUM_AC; index++) {
2461                 if (wmi->fat_pipe_exist & (1 << index)) {
2462                         num_pri_streams++;
2463                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2464                             index;
2465                 }
2466         }
2467
2468         spin_unlock_bh(&wmi->lock);
2469
2470         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2471         if (!skb)
2472                 return -ENOMEM;
2473
2474         cmd = (struct wmi_sync_cmd *) skb->data;
2475
2476         /*
2477          * In the SYNC cmd sent on the control Ep, send a bitmap
2478          * of the data eps on which the Data Sync will be sent
2479          */
2480         cmd->data_sync_map = wmi->fat_pipe_exist;
2481
2482         for (index = 0; index < num_pri_streams; index++) {
2483                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2484                 if (data_sync_bufs[index].skb == NULL) {
2485                         ret = -ENOMEM;
2486                         break;
2487                 }
2488         }
2489
2490         /*
2491          * If buffer allocation for any of the dataSync fails,
2492          * then do not send the Synchronize cmd on the control ep
2493          */
2494         if (ret)
2495                 goto free_cmd_skb;
2496
2497         /*
2498          * Send sync cmd followed by sync data messages on all
2499          * endpoints being used
2500          */
2501         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2502                                   NO_SYNC_WMIFLAG);
2503
2504         if (ret)
2505                 goto free_data_skb;
2506
2507         for (index = 0; index < num_pri_streams; index++) {
2508                 if (WARN_ON(!data_sync_bufs[index].skb))
2509                         goto free_data_skb;
2510
2511                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2512                                                data_sync_bufs[index].
2513                                                traffic_class);
2514                 ret =
2515                     ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2516                                               ep_id, if_idx);
2517
2518                 data_sync_bufs[index].skb = NULL;
2519
2520                 if (ret)
2521                         goto free_data_skb;
2522         }
2523
2524         return 0;
2525
2526 free_cmd_skb:
2527         /* free up any resources left over (possibly due to an error) */
2528         dev_kfree_skb(skb);
2529
2530 free_data_skb:
2531         for (index = 0; index < num_pri_streams; index++)
2532                 dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].skb);
2533
2534         return ret;
2535 }
2536
2537 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2538                                   struct wmi_create_pstream_cmd *params)
2539 {
2540         struct sk_buff *skb;
2541         struct wmi_create_pstream_cmd *cmd;
2542         u8 fatpipe_exist_for_ac = 0;
2543         s32 min_phy = 0;
2544         s32 nominal_phy = 0;
2545         int ret;
2546
2547         if (!((params->user_pri < 8) &&
2548               (params->user_pri <= 0x7) &&
2549               (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2550               (params->traffic_direc == UPLINK_TRAFFIC ||
2551                params->traffic_direc == DNLINK_TRAFFIC ||
2552                params->traffic_direc == BIDIR_TRAFFIC) &&
2553               (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2554                params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2555               (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2556                params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2557                params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2558               (params->tsid == WMI_IMPLICIT_PSTREAM ||
2559                params->tsid <= WMI_MAX_THINSTREAM))) {
2560                 return -EINVAL;
2561         }
2562
2563         /*
2564          * Check nominal PHY rate is >= minimalPHY,
2565          * so that DUT can allow TSRS IE
2566          */
2567
2568         /* Get the physical rate (units of bps) */
2569         min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2570
2571         /* Check minimal phy < nominal phy rate */
2572         if (params->nominal_phy >= min_phy) {
2573                 /* unit of 500 kbps */
2574                 nominal_phy = (params->nominal_phy * 1000) / 500;
2575                 ath6kl_dbg(ATH6KL_DBG_WMI,
2576                            "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2577                            min_phy, nominal_phy);
2578
2579                 params->nominal_phy = nominal_phy;
2580         } else {
2581                 params->nominal_phy = 0;
2582         }
2583
2584         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2585         if (!skb)
2586                 return -ENOMEM;
2587
2588         ath6kl_dbg(ATH6KL_DBG_WMI,
2589                    "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2590                    params->traffic_class, params->tsid);
2591
2592         cmd = (struct wmi_create_pstream_cmd *) skb->data;
2593         memcpy(cmd, params, sizeof(*cmd));
2594
2595         /* This is an implicitly created Fat pipe */
2596         if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2597                 spin_lock_bh(&wmi->lock);
2598                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2599                                         (1 << params->traffic_class));
2600                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2601                 spin_unlock_bh(&wmi->lock);
2602         } else {
2603                 /* explicitly created thin stream within a fat pipe */
2604                 spin_lock_bh(&wmi->lock);
2605                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2606                                         (1 << params->traffic_class));
2607                 wmi->stream_exist_for_ac[params->traffic_class] |=
2608                     (1 << params->tsid);
2609                 /*
2610                  * If a thinstream becomes active, the fat pipe automatically
2611                  * becomes active
2612                  */
2613                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2614                 spin_unlock_bh(&wmi->lock);
2615         }
2616
2617         /*
2618          * Indicate activty change to driver layer only if this is the
2619          * first TSID to get created in this AC explicitly or an implicit
2620          * fat pipe is getting created.
2621          */
2622         if (!fatpipe_exist_for_ac)
2623                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2624                                             params->traffic_class, true);
2625
2626         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2627                                   NO_SYNC_WMIFLAG);
2628         return ret;
2629 }
2630
2631 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2632                                   u8 tsid)
2633 {
2634         struct sk_buff *skb;
2635         struct wmi_delete_pstream_cmd *cmd;
2636         u16 active_tsids = 0;
2637         int ret;
2638
2639         if (traffic_class > 3) {
2640                 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2641                 return -EINVAL;
2642         }
2643
2644         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2645         if (!skb)
2646                 return -ENOMEM;
2647
2648         cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2649         cmd->traffic_class = traffic_class;
2650         cmd->tsid = tsid;
2651
2652         spin_lock_bh(&wmi->lock);
2653         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2654         spin_unlock_bh(&wmi->lock);
2655
2656         if (!(active_tsids & (1 << tsid))) {
2657                 dev_kfree_skb(skb);
2658                 ath6kl_dbg(ATH6KL_DBG_WMI,
2659                            "TSID %d doesn't exist for traffic class: %d\n",
2660                            tsid, traffic_class);
2661                 return -ENODATA;
2662         }
2663
2664         ath6kl_dbg(ATH6KL_DBG_WMI,
2665                    "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2666                    traffic_class, tsid);
2667
2668         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2669                                   SYNC_BEFORE_WMIFLAG);
2670
2671         spin_lock_bh(&wmi->lock);
2672         wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2673         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2674         spin_unlock_bh(&wmi->lock);
2675
2676         /*
2677          * Indicate stream inactivity to driver layer only if all tsids
2678          * within this AC are deleted.
2679          */
2680         if (!active_tsids) {
2681                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2682                                             traffic_class, false);
2683                 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2684         }
2685
2686         return ret;
2687 }
2688
2689 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2690                           __be32 ips0, __be32 ips1)
2691 {
2692         struct sk_buff *skb;
2693         struct wmi_set_ip_cmd *cmd;
2694         int ret;
2695
2696         /* Multicast address are not valid */
2697         if (ipv4_is_multicast(ips0) ||
2698             ipv4_is_multicast(ips1))
2699                 return -EINVAL;
2700
2701         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2702         if (!skb)
2703                 return -ENOMEM;
2704
2705         cmd = (struct wmi_set_ip_cmd *) skb->data;
2706         cmd->ips[0] = ips0;
2707         cmd->ips[1] = ips1;
2708
2709         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2710                                   NO_SYNC_WMIFLAG);
2711         return ret;
2712 }
2713
2714 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2715 {
2716         u16 active_tsids;
2717         u8 stream_exist;
2718         int i;
2719
2720         /*
2721          * Relinquish credits from all implicitly created pstreams
2722          * since when we go to sleep. If user created explicit
2723          * thinstreams exists with in a fatpipe leave them intact
2724          * for the user to delete.
2725          */
2726         spin_lock_bh(&wmi->lock);
2727         stream_exist = wmi->fat_pipe_exist;
2728         spin_unlock_bh(&wmi->lock);
2729
2730         for (i = 0; i < WMM_NUM_AC; i++) {
2731                 if (stream_exist & (1 << i)) {
2732                         /*
2733                          * FIXME: Is this lock & unlock inside
2734                          * for loop correct? may need rework.
2735                          */
2736                         spin_lock_bh(&wmi->lock);
2737                         active_tsids = wmi->stream_exist_for_ac[i];
2738                         spin_unlock_bh(&wmi->lock);
2739
2740                         /*
2741                          * If there are no user created thin streams
2742                          * delete the fatpipe
2743                          */
2744                         if (!active_tsids) {
2745                                 stream_exist &= ~(1 << i);
2746                                 /*
2747                                  * Indicate inactivity to driver layer for
2748                                  * this fatpipe (pstream)
2749                                  */
2750                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2751                                                             i, false);
2752                         }
2753                 }
2754         }
2755
2756         /* FIXME: Can we do this assignment without locking ? */
2757         spin_lock_bh(&wmi->lock);
2758         wmi->fat_pipe_exist = stream_exist;
2759         spin_unlock_bh(&wmi->lock);
2760 }
2761
2762 static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2763                                      const struct cfg80211_bitrate_mask *mask)
2764 {
2765         struct sk_buff *skb;
2766         int ret, mode, band;
2767         u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2768         struct wmi_set_tx_select_rates64_cmd *cmd;
2769
2770         memset(&ratemask, 0, sizeof(ratemask));
2771
2772         /* only check 2.4 and 5 GHz bands, skip the rest */
2773         for (band = 0; band <= NL80211_BAND_5GHZ; band++) {
2774                 /* copy legacy rate mask */
2775                 ratemask[band] = mask->control[band].legacy;
2776                 if (band == NL80211_BAND_5GHZ)
2777                         ratemask[band] =
2778                                 mask->control[band].legacy << 4;
2779
2780                 /* copy mcs rate mask */
2781                 mcsrate = mask->control[band].ht_mcs[1];
2782                 mcsrate <<= 8;
2783                 mcsrate |= mask->control[band].ht_mcs[0];
2784                 ratemask[band] |= mcsrate << 12;
2785                 ratemask[band] |= mcsrate << 28;
2786         }
2787
2788         ath6kl_dbg(ATH6KL_DBG_WMI,
2789                    "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2790                    ratemask[0], ratemask[1]);
2791
2792         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2793         if (!skb)
2794                 return -ENOMEM;
2795
2796         cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2797         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2798                 /* A mode operate in 5GHZ band */
2799                 if (mode == WMI_RATES_MODE_11A ||
2800                     mode == WMI_RATES_MODE_11A_HT20 ||
2801                     mode == WMI_RATES_MODE_11A_HT40)
2802                         band = NL80211_BAND_5GHZ;
2803                 else
2804                         band = NL80211_BAND_2GHZ;
2805                 cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2806         }
2807
2808         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2809                                   WMI_SET_TX_SELECT_RATES_CMDID,
2810                                   NO_SYNC_WMIFLAG);
2811         return ret;
2812 }
2813
2814 static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2815                                      const struct cfg80211_bitrate_mask *mask)
2816 {
2817         struct sk_buff *skb;
2818         int ret, mode, band;
2819         u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2820         struct wmi_set_tx_select_rates32_cmd *cmd;
2821
2822         memset(&ratemask, 0, sizeof(ratemask));
2823
2824         /* only check 2.4 and 5 GHz bands, skip the rest */
2825         for (band = 0; band <= NL80211_BAND_5GHZ; band++) {
2826                 /* copy legacy rate mask */
2827                 ratemask[band] = mask->control[band].legacy;
2828                 if (band == NL80211_BAND_5GHZ)
2829                         ratemask[band] =
2830                                 mask->control[band].legacy << 4;
2831
2832                 /* copy mcs rate mask */
2833                 mcsrate = mask->control[band].ht_mcs[0];
2834                 ratemask[band] |= mcsrate << 12;
2835                 ratemask[band] |= mcsrate << 20;
2836         }
2837
2838         ath6kl_dbg(ATH6KL_DBG_WMI,
2839                    "Ratemask 32 bit: 2.4:%x 5:%x\n",
2840                    ratemask[0], ratemask[1]);
2841
2842         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2843         if (!skb)
2844                 return -ENOMEM;
2845
2846         cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2847         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2848                 /* A mode operate in 5GHZ band */
2849                 if (mode == WMI_RATES_MODE_11A ||
2850                     mode == WMI_RATES_MODE_11A_HT20 ||
2851                     mode == WMI_RATES_MODE_11A_HT40)
2852                         band = NL80211_BAND_5GHZ;
2853                 else
2854                         band = NL80211_BAND_2GHZ;
2855                 cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2856         }
2857
2858         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2859                                   WMI_SET_TX_SELECT_RATES_CMDID,
2860                                   NO_SYNC_WMIFLAG);
2861         return ret;
2862 }
2863
2864 int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2865                                 const struct cfg80211_bitrate_mask *mask)
2866 {
2867         struct ath6kl *ar = wmi->parent_dev;
2868
2869         if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
2870                      ar->fw_capabilities))
2871                 return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
2872         else
2873                 return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
2874 }
2875
2876 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2877                                        enum ath6kl_host_mode host_mode)
2878 {
2879         struct sk_buff *skb;
2880         struct wmi_set_host_sleep_mode_cmd *cmd;
2881         int ret;
2882
2883         if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2884             (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2885                 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2886                 return -EINVAL;
2887         }
2888
2889         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2890         if (!skb)
2891                 return -ENOMEM;
2892
2893         cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2894
2895         if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2896                 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2897                 cmd->asleep = cpu_to_le32(1);
2898         } else {
2899                 cmd->awake = cpu_to_le32(1);
2900         }
2901
2902         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2903                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2904                                   NO_SYNC_WMIFLAG);
2905         return ret;
2906 }
2907
2908 /* This command has zero length payload */
2909 static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2910                                                       struct ath6kl_vif *vif)
2911 {
2912         struct ath6kl *ar = wmi->parent_dev;
2913
2914         set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2915         wake_up(&ar->event_wq);
2916
2917         return 0;
2918 }
2919
2920 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2921                                 enum ath6kl_wow_mode wow_mode,
2922                                 u32 filter, u16 host_req_delay)
2923 {
2924         struct sk_buff *skb;
2925         struct wmi_set_wow_mode_cmd *cmd;
2926         int ret;
2927
2928         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2929             wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2930                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2931                 return -EINVAL;
2932         }
2933
2934         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2935         if (!skb)
2936                 return -ENOMEM;
2937
2938         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2939         cmd->enable_wow = cpu_to_le32(wow_mode);
2940         cmd->filter = cpu_to_le32(filter);
2941         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2942
2943         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2944                                   NO_SYNC_WMIFLAG);
2945         return ret;
2946 }
2947
2948 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2949                                    u8 list_id, u8 filter_size,
2950                                    u8 filter_offset, const u8 *filter,
2951                                    const u8 *mask)
2952 {
2953         struct sk_buff *skb;
2954         struct wmi_add_wow_pattern_cmd *cmd;
2955         u16 size;
2956         u8 *filter_mask;
2957         int ret;
2958
2959         /*
2960          * Allocate additional memory in the buffer to hold
2961          * filter and mask value, which is twice of filter_size.
2962          */
2963         size = sizeof(*cmd) + (2 * filter_size);
2964
2965         skb = ath6kl_wmi_get_new_buf(size);
2966         if (!skb)
2967                 return -ENOMEM;
2968
2969         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2970         cmd->filter_list_id = list_id;
2971         cmd->filter_size = filter_size;
2972         cmd->filter_offset = filter_offset;
2973
2974         memcpy(cmd->filter, filter, filter_size);
2975
2976         filter_mask = (u8 *) (cmd->filter + filter_size);
2977         memcpy(filter_mask, mask, filter_size);
2978
2979         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2980                                   NO_SYNC_WMIFLAG);
2981
2982         return ret;
2983 }
2984
2985 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2986                                    u16 list_id, u16 filter_id)
2987 {
2988         struct sk_buff *skb;
2989         struct wmi_del_wow_pattern_cmd *cmd;
2990         int ret;
2991
2992         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2993         if (!skb)
2994                 return -ENOMEM;
2995
2996         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2997         cmd->filter_list_id = cpu_to_le16(list_id);
2998         cmd->filter_id = cpu_to_le16(filter_id);
2999
3000         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
3001                                   NO_SYNC_WMIFLAG);
3002         return ret;
3003 }
3004
3005 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
3006                                     enum wmix_command_id cmd_id,
3007                                     enum wmi_sync_flag sync_flag)
3008 {
3009         struct wmix_cmd_hdr *cmd_hdr;
3010         int ret;
3011
3012         skb_push(skb, sizeof(struct wmix_cmd_hdr));
3013
3014         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
3015         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
3016
3017         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
3018
3019         return ret;
3020 }
3021
3022 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
3023 {
3024         struct sk_buff *skb;
3025         struct wmix_hb_challenge_resp_cmd *cmd;
3026         int ret;
3027
3028         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3029         if (!skb)
3030                 return -ENOMEM;
3031
3032         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
3033         cmd->cookie = cpu_to_le32(cookie);
3034         cmd->source = cpu_to_le32(source);
3035
3036         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
3037                                        NO_SYNC_WMIFLAG);
3038         return ret;
3039 }
3040
3041 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
3042 {
3043         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
3044         struct sk_buff *skb;
3045         int ret;
3046
3047         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3048         if (!skb)
3049                 return -ENOMEM;
3050
3051         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
3052         cmd->valid = cpu_to_le32(valid);
3053         cmd->config = cpu_to_le32(config);
3054
3055         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
3056                                        NO_SYNC_WMIFLAG);
3057         return ret;
3058 }
3059
3060 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
3061 {
3062         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
3063 }
3064
3065 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
3066 {
3067         struct sk_buff *skb;
3068         struct wmi_set_tx_pwr_cmd *cmd;
3069         int ret;
3070
3071         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
3072         if (!skb)
3073                 return -ENOMEM;
3074
3075         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
3076         cmd->dbM = dbM;
3077
3078         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
3079                                   NO_SYNC_WMIFLAG);
3080
3081         return ret;
3082 }
3083
3084 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
3085 {
3086         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
3087 }
3088
3089 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
3090 {
3091         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
3092 }
3093
3094 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
3095                                  u8 preamble_policy)
3096 {
3097         struct sk_buff *skb;
3098         struct wmi_set_lpreamble_cmd *cmd;
3099         int ret;
3100
3101         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
3102         if (!skb)
3103                 return -ENOMEM;
3104
3105         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
3106         cmd->status = status;
3107         cmd->preamble_policy = preamble_policy;
3108
3109         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
3110                                   NO_SYNC_WMIFLAG);
3111         return ret;
3112 }
3113
3114 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
3115 {
3116         struct sk_buff *skb;
3117         struct wmi_set_rts_cmd *cmd;
3118         int ret;
3119
3120         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
3121         if (!skb)
3122                 return -ENOMEM;
3123
3124         cmd = (struct wmi_set_rts_cmd *) skb->data;
3125         cmd->threshold = cpu_to_le16(threshold);
3126
3127         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
3128                                   NO_SYNC_WMIFLAG);
3129         return ret;
3130 }
3131
3132 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
3133 {
3134         struct sk_buff *skb;
3135         struct wmi_set_wmm_txop_cmd *cmd;
3136         int ret;
3137
3138         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
3139                 return -EINVAL;
3140
3141         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
3142         if (!skb)
3143                 return -ENOMEM;
3144
3145         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
3146         cmd->txop_enable = cfg;
3147
3148         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
3149                                   NO_SYNC_WMIFLAG);
3150         return ret;
3151 }
3152
3153 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3154                                  u8 keep_alive_intvl)
3155 {
3156         struct sk_buff *skb;
3157         struct wmi_set_keepalive_cmd *cmd;
3158         int ret;
3159
3160         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3161         if (!skb)
3162                 return -ENOMEM;
3163
3164         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3165         cmd->keep_alive_intvl = keep_alive_intvl;
3166
3167         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
3168                                   NO_SYNC_WMIFLAG);
3169
3170         if (ret == 0)
3171                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
3172
3173         return ret;
3174 }
3175
3176 int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3177                              enum nl80211_band band,
3178                              struct ath6kl_htcap *htcap)
3179 {
3180         struct sk_buff *skb;
3181         struct wmi_set_htcap_cmd *cmd;
3182
3183         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3184         if (!skb)
3185                 return -ENOMEM;
3186
3187         cmd = (struct wmi_set_htcap_cmd *) skb->data;
3188
3189         /*
3190          * NOTE: Band in firmware matches enum nl80211_band, it is unlikely
3191          * this will be changed in firmware. If at all there is any change in
3192          * band value, the host needs to be fixed.
3193          */
3194         cmd->band = band;
3195         cmd->ht_enable = !!htcap->ht_enable;
3196         cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3197         cmd->ht40_supported =
3198                 !!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3199         cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3200         cmd->intolerant_40mhz =
3201                 !!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3202         cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3203
3204         ath6kl_dbg(ATH6KL_DBG_WMI,
3205                    "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3206                    cmd->band, cmd->ht_enable, cmd->ht40_supported,
3207                    cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3208                    cmd->max_ampdu_len_exp);
3209         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
3210                                    NO_SYNC_WMIFLAG);
3211 }
3212
3213 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3214 {
3215         struct sk_buff *skb;
3216         int ret;
3217
3218         skb = ath6kl_wmi_get_new_buf(len);
3219         if (!skb)
3220                 return -ENOMEM;
3221
3222         memcpy(skb->data, buf, len);
3223
3224         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
3225
3226         return ret;
3227 }
3228
3229 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3230 {
3231         struct sk_buff *skb;
3232         struct wmi_mcast_filter_cmd *cmd;
3233         int ret;
3234
3235         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3236         if (!skb)
3237                 return -ENOMEM;
3238
3239         cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3240         cmd->mcast_all_enable = mc_all_on;
3241
3242         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
3243                                   NO_SYNC_WMIFLAG);
3244         return ret;
3245 }
3246
3247 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3248                                         u8 *filter, bool add_filter)
3249 {
3250         struct sk_buff *skb;
3251         struct wmi_mcast_filter_add_del_cmd *cmd;
3252         int ret;
3253
3254         if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3255             (filter[0] != 0x01 || filter[1] != 0x00 ||
3256             filter[2] != 0x5e || filter[3] > 0x7f)) {
3257                 ath6kl_warn("invalid multicast filter address\n");
3258                 return -EINVAL;
3259         }
3260
3261         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3262         if (!skb)
3263                 return -ENOMEM;
3264
3265         cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3266         memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3267         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3268                                   add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3269                                   WMI_DEL_MCAST_FILTER_CMDID,
3270                                   NO_SYNC_WMIFLAG);
3271
3272         return ret;
3273 }
3274
3275 int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3276 {
3277         struct sk_buff *skb;
3278         struct wmi_sta_bmiss_enhance_cmd *cmd;
3279         int ret;
3280
3281         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3282         if (!skb)
3283                 return -ENOMEM;
3284
3285         cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data;
3286         cmd->enable = enhance ? 1 : 0;
3287
3288         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3289                                   WMI_STA_BMISS_ENHANCE_CMDID,
3290                                   NO_SYNC_WMIFLAG);
3291         return ret;
3292 }
3293
3294 int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
3295 {
3296         struct sk_buff *skb;
3297         struct wmi_set_regdomain_cmd *cmd;
3298
3299         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3300         if (!skb)
3301                 return -ENOMEM;
3302
3303         cmd = (struct wmi_set_regdomain_cmd *) skb->data;
3304         memcpy(cmd->iso_name, alpha2, 2);
3305
3306         return ath6kl_wmi_cmd_send(wmi, 0, skb,
3307                                    WMI_SET_REGDOMAIN_CMDID,
3308                                    NO_SYNC_WMIFLAG);
3309 }
3310
3311 s32 ath6kl_wmi_get_rate(struct wmi *wmi, s8 rate_index)
3312 {
3313         struct ath6kl *ar = wmi->parent_dev;
3314         u8 sgi = 0;
3315         s32 ret;
3316
3317         if (rate_index == RATE_AUTO)
3318                 return 0;
3319
3320         /* SGI is stored as the MSB of the rate_index */
3321         if (rate_index & RATE_INDEX_MSB) {
3322                 rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;
3323                 sgi = 1;
3324         }
3325
3326         if (test_bit(ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,
3327                      ar->fw_capabilities)) {
3328                 if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl_mcs15)))
3329                         return 0;
3330
3331                 ret = wmi_rate_tbl_mcs15[(u32) rate_index][sgi];
3332         } else {
3333                 if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl)))
3334                         return 0;
3335
3336                 ret = wmi_rate_tbl[(u32) rate_index][sgi];
3337         }
3338
3339         return ret;
3340 }
3341
3342 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3343                                               u32 len)
3344 {
3345         struct wmi_pmkid_list_reply *reply;
3346         u32 expected_len;
3347
3348         if (len < sizeof(struct wmi_pmkid_list_reply))
3349                 return -EINVAL;
3350
3351         reply = (struct wmi_pmkid_list_reply *)datap;
3352         expected_len = sizeof(reply->num_pmkid) +
3353                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3354
3355         if (len < expected_len)
3356                 return -EINVAL;
3357
3358         return 0;
3359 }
3360
3361 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3362                                          struct ath6kl_vif *vif)
3363 {
3364         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3365
3366         aggr_recv_addba_req_evt(vif, cmd->tid,
3367                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
3368
3369         return 0;
3370 }
3371
3372 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3373                                          struct ath6kl_vif *vif)
3374 {
3375         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3376
3377         aggr_recv_delba_req_evt(vif, cmd->tid);
3378
3379         return 0;
3380 }
3381
3382 /*  AP mode functions */
3383
3384 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3385                                  struct wmi_connect_cmd *p)
3386 {
3387         struct sk_buff *skb;
3388         struct wmi_connect_cmd *cm;
3389         int res;
3390
3391         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3392         if (!skb)
3393                 return -ENOMEM;
3394
3395         cm = (struct wmi_connect_cmd *) skb->data;
3396         memcpy(cm, p, sizeof(*cm));
3397
3398         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3399                                   NO_SYNC_WMIFLAG);
3400         ath6kl_dbg(ATH6KL_DBG_WMI,
3401                    "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3402                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3403                    le32_to_cpu(p->ctrl_flags), res);
3404         return res;
3405 }
3406
3407 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3408                            u16 reason)
3409 {
3410         struct sk_buff *skb;
3411         struct wmi_ap_set_mlme_cmd *cm;
3412
3413         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3414         if (!skb)
3415                 return -ENOMEM;
3416
3417         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3418         memcpy(cm->mac, mac, ETH_ALEN);
3419         cm->reason = cpu_to_le16(reason);
3420         cm->cmd = cmd;
3421
3422         ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3423                    cm->reason);
3424
3425         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3426                                    NO_SYNC_WMIFLAG);
3427 }
3428
3429 int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3430 {
3431         struct sk_buff *skb;
3432         struct wmi_ap_hidden_ssid_cmd *cmd;
3433
3434         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3435         if (!skb)
3436                 return -ENOMEM;
3437
3438         cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3439         cmd->hidden_ssid = enable ? 1 : 0;
3440
3441         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3442                                    NO_SYNC_WMIFLAG);
3443 }
3444
3445 /* This command will be used to enable/disable AP uAPSD feature */
3446 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3447 {
3448         struct wmi_ap_set_apsd_cmd *cmd;
3449         struct sk_buff *skb;
3450
3451         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3452         if (!skb)
3453                 return -ENOMEM;
3454
3455         cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3456         cmd->enable = enable;
3457
3458         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3459                                    NO_SYNC_WMIFLAG);
3460 }
3461
3462 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3463                                              u16 aid, u16 bitmap, u32 flags)
3464 {
3465         struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3466         struct sk_buff *skb;
3467
3468         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3469         if (!skb)
3470                 return -ENOMEM;
3471
3472         cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3473         cmd->aid = cpu_to_le16(aid);
3474         cmd->bitmap = cpu_to_le16(bitmap);
3475         cmd->flags = cpu_to_le32(flags);
3476
3477         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3478                                    WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3479                                    NO_SYNC_WMIFLAG);
3480 }
3481
3482 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3483                                       struct ath6kl_vif *vif)
3484 {
3485         struct wmi_pspoll_event *ev;
3486
3487         if (len < sizeof(struct wmi_pspoll_event))
3488                 return -EINVAL;
3489
3490         ev = (struct wmi_pspoll_event *) datap;
3491
3492         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3493
3494         return 0;
3495 }
3496
3497 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3498                                           struct ath6kl_vif *vif)
3499 {
3500         ath6kl_dtimexpiry_event(vif);
3501
3502         return 0;
3503 }
3504
3505 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3506                            bool flag)
3507 {
3508         struct sk_buff *skb;
3509         struct wmi_ap_set_pvb_cmd *cmd;
3510         int ret;
3511
3512         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3513         if (!skb)
3514                 return -ENOMEM;
3515
3516         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3517         cmd->aid = cpu_to_le16(aid);
3518         cmd->rsvd = cpu_to_le16(0);
3519         cmd->flag = cpu_to_le32(flag);
3520
3521         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3522                                   NO_SYNC_WMIFLAG);
3523
3524         return 0;
3525 }
3526
3527 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3528                                        u8 rx_meta_ver,
3529                                        bool rx_dot11_hdr, bool defrag_on_host)
3530 {
3531         struct sk_buff *skb;
3532         struct wmi_rx_frame_format_cmd *cmd;
3533         int ret;
3534
3535         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3536         if (!skb)
3537                 return -ENOMEM;
3538
3539         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3540         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3541         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3542         cmd->meta_ver = rx_meta_ver;
3543
3544         /* Delete the local aggr state, on host */
3545         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3546                                   NO_SYNC_WMIFLAG);
3547
3548         return ret;
3549 }
3550
3551 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3552                              const u8 *ie, u8 ie_len)
3553 {
3554         struct sk_buff *skb;
3555         struct wmi_set_appie_cmd *p;
3556
3557         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3558         if (!skb)
3559                 return -ENOMEM;
3560
3561         ath6kl_dbg(ATH6KL_DBG_WMI,
3562                    "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3563                    mgmt_frm_type, ie_len);
3564         p = (struct wmi_set_appie_cmd *) skb->data;
3565         p->mgmt_frm_type = mgmt_frm_type;
3566         p->ie_len = ie_len;
3567
3568         if (ie != NULL && ie_len > 0)
3569                 memcpy(p->ie_info, ie, ie_len);
3570
3571         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3572                                    NO_SYNC_WMIFLAG);
3573 }
3574
3575 int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3576                           const u8 *ie_info, u8 ie_len)
3577 {
3578         struct sk_buff *skb;
3579         struct wmi_set_ie_cmd *p;
3580
3581         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3582         if (!skb)
3583                 return -ENOMEM;
3584
3585         ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3586                    ie_id, ie_field, ie_len);
3587         p = (struct wmi_set_ie_cmd *) skb->data;
3588         p->ie_id = ie_id;
3589         p->ie_field = ie_field;
3590         p->ie_len = ie_len;
3591         if (ie_info && ie_len > 0)
3592                 memcpy(p->ie_info, ie_info, ie_len);
3593
3594         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,
3595                                    NO_SYNC_WMIFLAG);
3596 }
3597
3598 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3599 {
3600         struct sk_buff *skb;
3601         struct wmi_disable_11b_rates_cmd *cmd;
3602
3603         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3604         if (!skb)
3605                 return -ENOMEM;
3606
3607         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3608                    disable);
3609         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3610         cmd->disable = disable ? 1 : 0;
3611
3612         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3613                                    NO_SYNC_WMIFLAG);
3614 }
3615
3616 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3617 {
3618         struct sk_buff *skb;
3619         struct wmi_remain_on_chnl_cmd *p;
3620
3621         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3622         if (!skb)
3623                 return -ENOMEM;
3624
3625         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3626                    freq, dur);
3627         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3628         p->freq = cpu_to_le32(freq);
3629         p->duration = cpu_to_le32(dur);
3630         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3631                                    NO_SYNC_WMIFLAG);
3632 }
3633
3634 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3635  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3636  * mgmt operations using station interface.
3637  */
3638 static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3639                                       u32 freq, u32 wait, const u8 *data,
3640                                       u16 data_len)
3641 {
3642         struct sk_buff *skb;
3643         struct wmi_send_action_cmd *p;
3644         u8 *buf;
3645
3646         if (wait)
3647                 return -EINVAL; /* Offload for wait not supported */
3648
3649         buf = kmalloc(data_len, GFP_KERNEL);
3650         if (!buf)
3651                 return -ENOMEM;
3652
3653         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3654         if (!skb) {
3655                 kfree(buf);
3656                 return -ENOMEM;
3657         }
3658
3659         kfree(wmi->last_mgmt_tx_frame);
3660         memcpy(buf, data, data_len);
3661         wmi->last_mgmt_tx_frame = buf;
3662         wmi->last_mgmt_tx_frame_len = data_len;
3663
3664         ath6kl_dbg(ATH6KL_DBG_WMI,
3665                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3666                    id, freq, wait, data_len);
3667         p = (struct wmi_send_action_cmd *) skb->data;
3668         p->id = cpu_to_le32(id);
3669         p->freq = cpu_to_le32(freq);
3670         p->wait = cpu_to_le32(wait);
3671         p->len = cpu_to_le16(data_len);
3672         memcpy(p->data, data, data_len);
3673         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3674                                    NO_SYNC_WMIFLAG);
3675 }
3676
3677 static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3678                                       u32 freq, u32 wait, const u8 *data,
3679                                       u16 data_len, u32 no_cck)
3680 {
3681         struct sk_buff *skb;
3682         struct wmi_send_mgmt_cmd *p;
3683         u8 *buf;
3684
3685         if (wait)
3686                 return -EINVAL; /* Offload for wait not supported */
3687
3688         buf = kmalloc(data_len, GFP_KERNEL);
3689         if (!buf)
3690                 return -ENOMEM;
3691
3692         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3693         if (!skb) {
3694                 kfree(buf);
3695                 return -ENOMEM;
3696         }
3697
3698         kfree(wmi->last_mgmt_tx_frame);
3699         memcpy(buf, data, data_len);
3700         wmi->last_mgmt_tx_frame = buf;
3701         wmi->last_mgmt_tx_frame_len = data_len;
3702
3703         ath6kl_dbg(ATH6KL_DBG_WMI,
3704                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3705                    id, freq, wait, data_len);
3706         p = (struct wmi_send_mgmt_cmd *) skb->data;
3707         p->id = cpu_to_le32(id);
3708         p->freq = cpu_to_le32(freq);
3709         p->wait = cpu_to_le32(wait);
3710         p->no_cck = cpu_to_le32(no_cck);
3711         p->len = cpu_to_le16(data_len);
3712         memcpy(p->data, data, data_len);
3713         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3714                                    NO_SYNC_WMIFLAG);
3715 }
3716
3717 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3718                                 u32 wait, const u8 *data, u16 data_len,
3719                                 u32 no_cck)
3720 {
3721         int status;
3722         struct ath6kl *ar = wmi->parent_dev;
3723
3724         if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3725                      ar->fw_capabilities)) {
3726                 /*
3727                  * If capable of doing P2P mgmt operations using
3728                  * station interface, send additional information like
3729                  * supported rates to advertise and xmit rates for
3730                  * probe requests
3731                  */
3732                 status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3733                                                     wait, data, data_len,
3734                                                     no_cck);
3735         } else {
3736                 status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3737                                                     wait, data, data_len);
3738         }
3739
3740         return status;
3741 }
3742
3743 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3744                                        const u8 *dst, const u8 *data,
3745                                        u16 data_len)
3746 {
3747         struct sk_buff *skb;
3748         struct wmi_p2p_probe_response_cmd *p;
3749         size_t cmd_len = sizeof(*p) + data_len;
3750
3751         if (data_len == 0)
3752                 cmd_len++; /* work around target minimum length requirement */
3753
3754         skb = ath6kl_wmi_get_new_buf(cmd_len);
3755         if (!skb)
3756                 return -ENOMEM;
3757
3758         ath6kl_dbg(ATH6KL_DBG_WMI,
3759                    "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3760                    freq, dst, data_len);
3761         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3762         p->freq = cpu_to_le32(freq);
3763         memcpy(p->destination_addr, dst, ETH_ALEN);
3764         p->len = cpu_to_le16(data_len);
3765         memcpy(p->data, data, data_len);
3766         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3767                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3768                                    NO_SYNC_WMIFLAG);
3769 }
3770
3771 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3772 {
3773         struct sk_buff *skb;
3774         struct wmi_probe_req_report_cmd *p;
3775
3776         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3777         if (!skb)
3778                 return -ENOMEM;
3779
3780         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3781                    enable);
3782         p = (struct wmi_probe_req_report_cmd *) skb->data;
3783         p->enable = enable ? 1 : 0;
3784         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3785                                    NO_SYNC_WMIFLAG);
3786 }
3787
3788 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3789 {
3790         struct sk_buff *skb;
3791         struct wmi_get_p2p_info *p;
3792
3793         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3794         if (!skb)
3795                 return -ENOMEM;
3796
3797         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3798                    info_req_flags);
3799         p = (struct wmi_get_p2p_info *) skb->data;
3800         p->info_req_flags = cpu_to_le32(info_req_flags);
3801         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3802                                    NO_SYNC_WMIFLAG);
3803 }
3804
3805 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3806 {
3807         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3808         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3809                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3810 }
3811
3812 int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3813 {
3814         struct sk_buff *skb;
3815         struct wmi_set_inact_period_cmd *cmd;
3816
3817         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3818         if (!skb)
3819                 return -ENOMEM;
3820
3821         cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3822         cmd->inact_period = cpu_to_le32(inact_timeout);
3823         cmd->num_null_func = 0;
3824
3825         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,
3826                                    NO_SYNC_WMIFLAG);
3827 }
3828
3829 static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,
3830                                                int len)
3831 {
3832         struct wmix_hb_challenge_resp_cmd *cmd;
3833
3834         if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
3835                 return;
3836
3837         cmd = (struct wmix_hb_challenge_resp_cmd *) datap;
3838         ath6kl_recovery_hb_event(wmi->parent_dev,
3839                                  le32_to_cpu(cmd->cookie));
3840 }
3841
3842 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3843 {
3844         struct wmix_cmd_hdr *cmd;
3845         u32 len;
3846         u16 id;
3847         u8 *datap;
3848         int ret = 0;
3849
3850         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3851                 ath6kl_err("bad packet 1\n");
3852                 return -EINVAL;
3853         }
3854
3855         cmd = (struct wmix_cmd_hdr *) skb->data;
3856         id = le32_to_cpu(cmd->cmd_id);
3857
3858         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3859
3860         datap = skb->data;
3861         len = skb->len;
3862
3863         switch (id) {
3864         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3865                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3866                 ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);
3867                 break;
3868         case WMIX_DBGLOG_EVENTID:
3869                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3870                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3871                 break;
3872         default:
3873                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3874                 ret = -EINVAL;
3875                 break;
3876         }
3877
3878         return ret;
3879 }
3880
3881 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3882 {
3883         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3884 }
3885
3886 /* Process interface specific wmi events, caller would free the datap */
3887 static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3888                                         u8 *datap, u32 len)
3889 {
3890         struct ath6kl_vif *vif;
3891
3892         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3893         if (!vif) {
3894                 ath6kl_dbg(ATH6KL_DBG_WMI,
3895                            "Wmi event for unavailable vif, vif_index:%d\n",
3896                             if_idx);
3897                 return -EINVAL;
3898         }
3899
3900         switch (cmd_id) {
3901         case WMI_CONNECT_EVENTID:
3902                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3903                 return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3904         case WMI_DISCONNECT_EVENTID:
3905                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3906                 return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3907         case WMI_TKIP_MICERR_EVENTID:
3908                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3909                 return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3910         case WMI_BSSINFO_EVENTID:
3911                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3912                 return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3913         case WMI_NEIGHBOR_REPORT_EVENTID:
3914                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3915                 return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3916                                                            vif);
3917         case WMI_SCAN_COMPLETE_EVENTID:
3918                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3919                 return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3920         case WMI_REPORT_STATISTICS_EVENTID:
3921                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3922                 return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3923         case WMI_CAC_EVENTID:
3924                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3925                 return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3926         case WMI_PSPOLL_EVENTID:
3927                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3928                 return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3929         case WMI_DTIMEXPIRY_EVENTID:
3930                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3931                 return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3932         case WMI_ADDBA_REQ_EVENTID:
3933                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3934                 return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3935         case WMI_DELBA_REQ_EVENTID:
3936                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3937                 return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3938         case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3939                 ath6kl_dbg(ATH6KL_DBG_WMI,
3940                            "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3941                 return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3942         case WMI_REMAIN_ON_CHNL_EVENTID:
3943                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3944                 return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3945         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3946                 ath6kl_dbg(ATH6KL_DBG_WMI,
3947                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3948                 return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3949                                                                  len, vif);
3950         case WMI_TX_STATUS_EVENTID:
3951                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3952                 return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3953         case WMI_RX_PROBE_REQ_EVENTID:
3954                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3955                 return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3956         case WMI_RX_ACTION_EVENTID:
3957                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3958                 return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3959         case WMI_TXE_NOTIFY_EVENTID:
3960                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");
3961                 return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
3962         default:
3963                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3964                 return -EINVAL;
3965         }
3966
3967         return 0;
3968 }
3969
3970 static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3971 {
3972         struct wmi_cmd_hdr *cmd;
3973         int ret = 0;
3974         u32 len;
3975         u16 id;
3976         u8 if_idx;
3977         u8 *datap;
3978
3979         cmd = (struct wmi_cmd_hdr *) skb->data;
3980         id = le16_to_cpu(cmd->cmd_id);
3981         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3982
3983         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3984         datap = skb->data;
3985         len = skb->len;
3986
3987         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3988         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3989                         datap, len);
3990
3991         switch (id) {
3992         case WMI_GET_BITRATE_CMDID:
3993                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3994                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3995                 break;
3996         case WMI_GET_CHANNEL_LIST_CMDID:
3997                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3998                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3999                 break;
4000         case WMI_GET_TX_PWR_CMDID:
4001                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
4002                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
4003                 break;
4004         case WMI_READY_EVENTID:
4005                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
4006                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
4007                 break;
4008         case WMI_PEER_NODE_EVENTID:
4009                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
4010                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
4011                 break;
4012         case WMI_REGDOMAIN_EVENTID:
4013                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
4014                 ath6kl_wmi_regdomain_event(wmi, datap, len);
4015                 break;
4016         case WMI_PSTREAM_TIMEOUT_EVENTID:
4017                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
4018                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
4019                 break;
4020         case WMI_CMDERROR_EVENTID:
4021                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
4022                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
4023                 break;
4024         case WMI_RSSI_THRESHOLD_EVENTID:
4025                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
4026                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
4027                 break;
4028         case WMI_ERROR_REPORT_EVENTID:
4029                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
4030                 break;
4031         case WMI_OPT_RX_FRAME_EVENTID:
4032                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
4033                 /* this event has been deprecated */
4034                 break;
4035         case WMI_REPORT_ROAM_TBL_EVENTID:
4036                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
4037                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
4038                 break;
4039         case WMI_EXTENSION_EVENTID:
4040                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
4041                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
4042                 break;
4043         case WMI_CHANNEL_CHANGE_EVENTID:
4044                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
4045                 break;
4046         case WMI_REPORT_ROAM_DATA_EVENTID:
4047                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
4048                 break;
4049         case WMI_TEST_EVENTID:
4050                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
4051                 ret = ath6kl_wmi_test_rx(wmi, datap, len);
4052                 break;
4053         case WMI_GET_FIXRATES_CMDID:
4054                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
4055                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
4056                 break;
4057         case WMI_TX_RETRY_ERR_EVENTID:
4058                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
4059                 break;
4060         case WMI_SNR_THRESHOLD_EVENTID:
4061                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
4062                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
4063                 break;
4064         case WMI_LQ_THRESHOLD_EVENTID:
4065                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
4066                 break;
4067         case WMI_APLIST_EVENTID:
4068                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
4069                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
4070                 break;
4071         case WMI_GET_KEEPALIVE_CMDID:
4072                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
4073                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
4074                 break;
4075         case WMI_GET_WOW_LIST_EVENTID:
4076                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
4077                 break;
4078         case WMI_GET_PMKID_LIST_EVENTID:
4079                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
4080                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
4081                 break;
4082         case WMI_SET_PARAMS_REPLY_EVENTID:
4083                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
4084                 break;
4085         case WMI_ADDBA_RESP_EVENTID:
4086                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
4087                 break;
4088         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
4089                 ath6kl_dbg(ATH6KL_DBG_WMI,
4090                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
4091                 break;
4092         case WMI_REPORT_BTCOEX_STATS_EVENTID:
4093                 ath6kl_dbg(ATH6KL_DBG_WMI,
4094                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
4095                 break;
4096         case WMI_TX_COMPLETE_EVENTID:
4097                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
4098                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
4099                 break;
4100         case WMI_P2P_CAPABILITIES_EVENTID:
4101                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
4102                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
4103                 break;
4104         case WMI_P2P_INFO_EVENTID:
4105                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
4106                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
4107                 break;
4108         default:
4109                 /* may be the event is interface specific */
4110                 ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
4111                 break;
4112         }
4113
4114         dev_kfree_skb(skb);
4115         return ret;
4116 }
4117
4118 /* Control Path */
4119 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
4120 {
4121         if (WARN_ON(skb == NULL))
4122                 return -EINVAL;
4123
4124         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
4125                 ath6kl_err("bad packet 1\n");
4126                 dev_kfree_skb(skb);
4127                 return -EINVAL;
4128         }
4129
4130         trace_ath6kl_wmi_event(skb->data, skb->len);
4131
4132         return ath6kl_wmi_proc_events(wmi, skb);
4133 }
4134
4135 void ath6kl_wmi_reset(struct wmi *wmi)
4136 {
4137         spin_lock_bh(&wmi->lock);
4138
4139         wmi->fat_pipe_exist = 0;
4140         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
4141
4142         spin_unlock_bh(&wmi->lock);
4143 }
4144
4145 void *ath6kl_wmi_init(struct ath6kl *dev)
4146 {
4147         struct wmi *wmi;
4148
4149         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
4150         if (!wmi)
4151                 return NULL;
4152
4153         spin_lock_init(&wmi->lock);
4154
4155         wmi->parent_dev = dev;
4156
4157         wmi->pwr_mode = REC_POWER;
4158
4159         ath6kl_wmi_reset(wmi);
4160
4161         return wmi;
4162 }
4163
4164 void ath6kl_wmi_shutdown(struct wmi *wmi)
4165 {
4166         if (!wmi)
4167                 return;
4168
4169         kfree(wmi->last_mgmt_tx_frame);
4170         kfree(wmi);
4171 }