kernel/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 contigous 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 contigous.
 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->sme_state != SME_CONNECTED)
1588                 return -ENOTCONN;
1589
1590         ev = (struct wmi_txe_notify_event *) datap;
1591         rate = le32_to_cpu(ev->rate);
1592         pkts = le32_to_cpu(ev->pkts);
1593
1594         ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d% pkts %d intvl %ds\n",
1595                    vif->bssid, rate, pkts, vif->txe_intvl);
1596
1597         cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,
1598                                 rate, vif->txe_intvl, GFP_KERNEL);
1599
1600         return 0;
1601 }
1602
1603 int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
1604                               u32 rate, u32 pkts, u32 intvl)
1605 {
1606         struct sk_buff *skb;
1607         struct wmi_txe_notify_cmd *cmd;
1608
1609         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1610         if (!skb)
1611                 return -ENOMEM;
1612
1613         cmd = (struct wmi_txe_notify_cmd *) skb->data;
1614         cmd->rate = cpu_to_le32(rate);
1615         cmd->pkts = cpu_to_le32(pkts);
1616         cmd->intvl = cpu_to_le32(intvl);
1617
1618         return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,
1619                                    NO_SYNC_WMIFLAG);
1620 }
1621
1622 int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
1623 {
1624         struct sk_buff *skb;
1625         struct wmi_set_rssi_filter_cmd *cmd;
1626         int ret;
1627
1628         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1629         if (!skb)
1630                 return -ENOMEM;
1631
1632         cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
1633         cmd->rssi = rssi;
1634
1635         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,
1636                                   NO_SYNC_WMIFLAG);
1637         return ret;
1638 }
1639
1640 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1641                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1642 {
1643         struct sk_buff *skb;
1644         struct wmi_snr_threshold_params_cmd *cmd;
1645
1646         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1647         if (!skb)
1648                 return -ENOMEM;
1649
1650         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1651         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1652
1653         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1654                                    NO_SYNC_WMIFLAG);
1655 }
1656
1657 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1658                                              int len)
1659 {
1660         struct wmi_snr_threshold_event *reply;
1661         struct sq_threshold_params *sq_thresh;
1662         struct wmi_snr_threshold_params_cmd cmd;
1663         enum wmi_snr_threshold_val new_threshold;
1664         u8 upper_snr_threshold, lower_snr_threshold;
1665         s16 snr;
1666         int ret;
1667
1668         if (len < sizeof(struct wmi_snr_threshold_event))
1669                 return -EINVAL;
1670
1671         reply = (struct wmi_snr_threshold_event *) datap;
1672
1673         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1674         snr = reply->snr;
1675
1676         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1677
1678         /*
1679          * Identify the threshold breached and communicate that to the app.
1680          * After that install a new set of thresholds based on the signal
1681          * quality reported by the target.
1682          */
1683         if (new_threshold) {
1684                 /* Upper threshold breached */
1685                 if (snr < sq_thresh->upper_threshold[0]) {
1686                         ath6kl_dbg(ATH6KL_DBG_WMI,
1687                                    "spurious upper snr threshold event: %d\n",
1688                                    snr);
1689                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1690                            (snr >= sq_thresh->upper_threshold[0])) {
1691                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1692                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1693                            (snr >= sq_thresh->upper_threshold[1])) {
1694                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1695                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1696                            (snr >= sq_thresh->upper_threshold[2])) {
1697                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1698                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1699                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1700                 }
1701         } else {
1702                 /* Lower threshold breached */
1703                 if (snr > sq_thresh->lower_threshold[0]) {
1704                         ath6kl_dbg(ATH6KL_DBG_WMI,
1705                                    "spurious lower snr threshold event: %d\n",
1706                                    sq_thresh->lower_threshold[0]);
1707                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1708                            (snr <= sq_thresh->lower_threshold[0])) {
1709                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1710                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1711                            (snr <= sq_thresh->lower_threshold[1])) {
1712                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1713                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1714                            (snr <= sq_thresh->lower_threshold[2])) {
1715                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1716                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1717                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1718                 }
1719         }
1720
1721         /* Calculate and install the next set of thresholds */
1722         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1723                                        sq_thresh->lower_threshold_valid_count);
1724         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1725                                        sq_thresh->upper_threshold_valid_count);
1726
1727         /* Issue a wmi command to install the thresholds */
1728         cmd.thresh_above1_val = upper_snr_threshold;
1729         cmd.thresh_below1_val = lower_snr_threshold;
1730         cmd.weight = sq_thresh->weight;
1731         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1732
1733         ath6kl_dbg(ATH6KL_DBG_WMI,
1734                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1735                    snr, new_threshold,
1736                    lower_snr_threshold, upper_snr_threshold);
1737
1738         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1739         if (ret) {
1740                 ath6kl_err("unable to configure snr threshold\n");
1741                 return -EIO;
1742         }
1743
1744         return 0;
1745 }
1746
1747 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1748 {
1749         u16 ap_info_entry_size;
1750         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1751         struct wmi_ap_info_v1 *ap_info_v1;
1752         u8 index;
1753
1754         if (len < sizeof(struct wmi_aplist_event) ||
1755             ev->ap_list_ver != APLIST_VER1)
1756                 return -EINVAL;
1757
1758         ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1759         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1760
1761         ath6kl_dbg(ATH6KL_DBG_WMI,
1762                    "number of APs in aplist event: %d\n", ev->num_ap);
1763
1764         if (len < (int) (sizeof(struct wmi_aplist_event) +
1765                          (ev->num_ap - 1) * ap_info_entry_size))
1766                 return -EINVAL;
1767
1768         /* AP list version 1 contents */
1769         for (index = 0; index < ev->num_ap; index++) {
1770                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1771                            index, ap_info_v1->bssid, ap_info_v1->channel);
1772                 ap_info_v1++;
1773         }
1774
1775         return 0;
1776 }
1777
1778 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1779                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1780 {
1781         struct wmi_cmd_hdr *cmd_hdr;
1782         enum htc_endpoint_id ep_id = wmi->ep_id;
1783         int ret;
1784         u16 info1;
1785
1786         if (WARN_ON(skb == NULL ||
1787                     (if_idx > (wmi->parent_dev->vif_max - 1)))) {
1788                 dev_kfree_skb(skb);
1789                 return -EINVAL;
1790         }
1791
1792         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1793                    cmd_id, skb->len, sync_flag);
1794         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1795                         skb->data, skb->len);
1796
1797         if (sync_flag >= END_WMIFLAG) {
1798                 dev_kfree_skb(skb);
1799                 return -EINVAL;
1800         }
1801
1802         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1803             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1804                 /*
1805                  * Make sure all data currently queued is transmitted before
1806                  * the cmd execution.  Establish a new sync point.
1807                  */
1808                 ath6kl_wmi_sync_point(wmi, if_idx);
1809         }
1810
1811         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1812
1813         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1814         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1815         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1816         cmd_hdr->info1 = cpu_to_le16(info1);
1817
1818         /* Only for OPT_TX_CMD, use BE endpoint. */
1819         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1820                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1821                                               false, false, 0, NULL, if_idx);
1822                 if (ret) {
1823                         dev_kfree_skb(skb);
1824                         return ret;
1825                 }
1826                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1827         }
1828
1829         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1830
1831         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1832             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1833                 /*
1834                  * Make sure all new data queued waits for the command to
1835                  * execute. Establish a new sync point.
1836                  */
1837                 ath6kl_wmi_sync_point(wmi, if_idx);
1838         }
1839
1840         return 0;
1841 }
1842
1843 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1844                            enum network_type nw_type,
1845                            enum dot11_auth_mode dot11_auth_mode,
1846                            enum auth_mode auth_mode,
1847                            enum crypto_type pairwise_crypto,
1848                            u8 pairwise_crypto_len,
1849                            enum crypto_type group_crypto,
1850                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1851                            u8 *bssid, u16 channel, u32 ctrl_flags,
1852                            u8 nw_subtype)
1853 {
1854         struct sk_buff *skb;
1855         struct wmi_connect_cmd *cc;
1856         int ret;
1857
1858         ath6kl_dbg(ATH6KL_DBG_WMI,
1859                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1860                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1861                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1862                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1863         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1864
1865         wmi->traffic_class = 100;
1866
1867         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1868                 return -EINVAL;
1869
1870         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1871                 return -EINVAL;
1872
1873         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1874         if (!skb)
1875                 return -ENOMEM;
1876
1877         cc = (struct wmi_connect_cmd *) skb->data;
1878
1879         if (ssid_len)
1880                 memcpy(cc->ssid, ssid, ssid_len);
1881
1882         cc->ssid_len = ssid_len;
1883         cc->nw_type = nw_type;
1884         cc->dot11_auth_mode = dot11_auth_mode;
1885         cc->auth_mode = auth_mode;
1886         cc->prwise_crypto_type = pairwise_crypto;
1887         cc->prwise_crypto_len = pairwise_crypto_len;
1888         cc->grp_crypto_type = group_crypto;
1889         cc->grp_crypto_len = group_crypto_len;
1890         cc->ch = cpu_to_le16(channel);
1891         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1892         cc->nw_subtype = nw_subtype;
1893
1894         if (bssid != NULL)
1895                 memcpy(cc->bssid, bssid, ETH_ALEN);
1896
1897         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1898                                   NO_SYNC_WMIFLAG);
1899
1900         return ret;
1901 }
1902
1903 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1904                              u16 channel)
1905 {
1906         struct sk_buff *skb;
1907         struct wmi_reconnect_cmd *cc;
1908         int ret;
1909
1910         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1911                    bssid, channel);
1912
1913         wmi->traffic_class = 100;
1914
1915         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1916         if (!skb)
1917                 return -ENOMEM;
1918
1919         cc = (struct wmi_reconnect_cmd *) skb->data;
1920         cc->channel = cpu_to_le16(channel);
1921
1922         if (bssid != NULL)
1923                 memcpy(cc->bssid, bssid, ETH_ALEN);
1924
1925         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1926                                   NO_SYNC_WMIFLAG);
1927
1928         return ret;
1929 }
1930
1931 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1932 {
1933         int ret;
1934
1935         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1936
1937         wmi->traffic_class = 100;
1938
1939         /* Disconnect command does not need to do a SYNC before. */
1940         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1941
1942         return ret;
1943 }
1944
1945 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1946  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1947  * mgmt operations using station interface.
1948  */
1949 static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1950                                     enum wmi_scan_type scan_type,
1951                                     u32 force_fgscan, u32 is_legacy,
1952                                     u32 home_dwell_time,
1953                                     u32 force_scan_interval,
1954                                     s8 num_chan, u16 *ch_list)
1955 {
1956         struct sk_buff *skb;
1957         struct wmi_start_scan_cmd *sc;
1958         s8 size;
1959         int i, ret;
1960
1961         size = sizeof(struct wmi_start_scan_cmd);
1962
1963         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1964                 return -EINVAL;
1965
1966         if (num_chan > WMI_MAX_CHANNELS)
1967                 return -EINVAL;
1968
1969         if (num_chan)
1970                 size += sizeof(u16) * (num_chan - 1);
1971
1972         skb = ath6kl_wmi_get_new_buf(size);
1973         if (!skb)
1974                 return -ENOMEM;
1975
1976         sc = (struct wmi_start_scan_cmd *) skb->data;
1977         sc->scan_type = scan_type;
1978         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1979         sc->is_legacy = cpu_to_le32(is_legacy);
1980         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1981         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1982         sc->num_ch = num_chan;
1983
1984         for (i = 0; i < num_chan; i++)
1985                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1986
1987         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1988                                   NO_SYNC_WMIFLAG);
1989
1990         return ret;
1991 }
1992
1993 /*
1994  * beginscan supports (compared to old startscan) P2P mgmt operations using
1995  * station interface, send additional information like supported rates to
1996  * advertise and xmit rates for probe requests
1997  */
1998 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1999                              enum wmi_scan_type scan_type,
2000                              u32 force_fgscan, u32 is_legacy,
2001                              u32 home_dwell_time, u32 force_scan_interval,
2002                              s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
2003 {
2004         struct ieee80211_supported_band *sband;
2005         struct sk_buff *skb;
2006         struct wmi_begin_scan_cmd *sc;
2007         s8 size, *supp_rates;
2008         int i, band, ret;
2009         struct ath6kl *ar = wmi->parent_dev;
2010         int num_rates;
2011         u32 ratemask;
2012
2013         if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
2014                       ar->fw_capabilities)) {
2015                 return ath6kl_wmi_startscan_cmd(wmi, if_idx,
2016                                                 scan_type, force_fgscan,
2017                                                 is_legacy, home_dwell_time,
2018                                                 force_scan_interval,
2019                                                 num_chan, ch_list);
2020         }
2021
2022         size = sizeof(struct wmi_begin_scan_cmd);
2023
2024         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
2025                 return -EINVAL;
2026
2027         if (num_chan > WMI_MAX_CHANNELS)
2028                 return -EINVAL;
2029
2030         if (num_chan)
2031                 size += sizeof(u16) * (num_chan - 1);
2032
2033         skb = ath6kl_wmi_get_new_buf(size);
2034         if (!skb)
2035                 return -ENOMEM;
2036
2037         sc = (struct wmi_begin_scan_cmd *) skb->data;
2038         sc->scan_type = scan_type;
2039         sc->force_fg_scan = cpu_to_le32(force_fgscan);
2040         sc->is_legacy = cpu_to_le32(is_legacy);
2041         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
2042         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
2043         sc->no_cck = cpu_to_le32(no_cck);
2044         sc->num_ch = num_chan;
2045
2046         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2047                 sband = ar->wiphy->bands[band];
2048
2049                 if (!sband)
2050                         continue;
2051
2052                 if (WARN_ON(band >= ATH6KL_NUM_BANDS))
2053                         break;
2054
2055                 ratemask = rates[band];
2056                 supp_rates = sc->supp_rates[band].rates;
2057                 num_rates = 0;
2058
2059                 for (i = 0; i < sband->n_bitrates; i++) {
2060                         if ((BIT(i) & ratemask) == 0)
2061                                 continue; /* skip rate */
2062                         supp_rates[num_rates++] =
2063                             (u8) (sband->bitrates[i].bitrate / 5);
2064                 }
2065                 sc->supp_rates[band].nrates = num_rates;
2066         }
2067
2068         for (i = 0; i < num_chan; i++)
2069                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2070
2071         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
2072                                   NO_SYNC_WMIFLAG);
2073
2074         return ret;
2075 }
2076
2077 int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2078 {
2079         struct sk_buff *skb;
2080         struct wmi_enable_sched_scan_cmd *sc;
2081         int ret;
2082
2083         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2084         if (!skb)
2085                 return -ENOMEM;
2086
2087         ath6kl_dbg(ATH6KL_DBG_WMI, "%s scheduled scan on vif %d\n",
2088                    enable ? "enabling" : "disabling", if_idx);
2089         sc = (struct wmi_enable_sched_scan_cmd *) skb->data;
2090         sc->enable = enable ? 1 : 0;
2091
2092         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2093                                   WMI_ENABLE_SCHED_SCAN_CMDID,
2094                                   NO_SYNC_WMIFLAG);
2095         return ret;
2096 }
2097
2098 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
2099                               u16 fg_start_sec,
2100                               u16 fg_end_sec, u16 bg_sec,
2101                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
2102                               u16 pas_chdw_msec, u8 short_scan_ratio,
2103                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
2104                               u16 maxact_scan_per_ssid)
2105 {
2106         struct sk_buff *skb;
2107         struct wmi_scan_params_cmd *sc;
2108         int ret;
2109
2110         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2111         if (!skb)
2112                 return -ENOMEM;
2113
2114         sc = (struct wmi_scan_params_cmd *) skb->data;
2115         sc->fg_start_period = cpu_to_le16(fg_start_sec);
2116         sc->fg_end_period = cpu_to_le16(fg_end_sec);
2117         sc->bg_period = cpu_to_le16(bg_sec);
2118         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
2119         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
2120         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
2121         sc->short_scan_ratio = short_scan_ratio;
2122         sc->scan_ctrl_flags = scan_ctrl_flag;
2123         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
2124         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
2125
2126         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
2127                                   NO_SYNC_WMIFLAG);
2128         return ret;
2129 }
2130
2131 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
2132 {
2133         struct sk_buff *skb;
2134         struct wmi_bss_filter_cmd *cmd;
2135         int ret;
2136
2137         if (filter >= LAST_BSS_FILTER)
2138                 return -EINVAL;
2139
2140         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2141         if (!skb)
2142                 return -ENOMEM;
2143
2144         cmd = (struct wmi_bss_filter_cmd *) skb->data;
2145         cmd->bss_filter = filter;
2146         cmd->ie_mask = cpu_to_le32(ie_mask);
2147
2148         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
2149                                   NO_SYNC_WMIFLAG);
2150         return ret;
2151 }
2152
2153 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2154                               u8 ssid_len, u8 *ssid)
2155 {
2156         struct sk_buff *skb;
2157         struct wmi_probed_ssid_cmd *cmd;
2158         int ret;
2159
2160         if (index >= MAX_PROBED_SSIDS)
2161                 return -EINVAL;
2162
2163         if (ssid_len > sizeof(cmd->ssid))
2164                 return -EINVAL;
2165
2166         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2167                 return -EINVAL;
2168
2169         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2170                 return -EINVAL;
2171
2172         if (flag & SPECIFIC_SSID_FLAG)
2173                 wmi->is_probe_ssid = true;
2174
2175         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2176         if (!skb)
2177                 return -ENOMEM;
2178
2179         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2180         cmd->entry_index = index;
2181         cmd->flag = flag;
2182         cmd->ssid_len = ssid_len;
2183         memcpy(cmd->ssid, ssid, ssid_len);
2184
2185         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2186                                   NO_SYNC_WMIFLAG);
2187         return ret;
2188 }
2189
2190 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2191                                   u16 listen_interval,
2192                                   u16 listen_beacons)
2193 {
2194         struct sk_buff *skb;
2195         struct wmi_listen_int_cmd *cmd;
2196         int ret;
2197
2198         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2199         if (!skb)
2200                 return -ENOMEM;
2201
2202         cmd = (struct wmi_listen_int_cmd *) skb->data;
2203         cmd->listen_intvl = cpu_to_le16(listen_interval);
2204         cmd->num_beacons = cpu_to_le16(listen_beacons);
2205
2206         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2207                                   NO_SYNC_WMIFLAG);
2208         return ret;
2209 }
2210
2211 int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2212                              u16 bmiss_time, u16 num_beacons)
2213 {
2214         struct sk_buff *skb;
2215         struct wmi_bmiss_time_cmd *cmd;
2216         int ret;
2217
2218         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2219         if (!skb)
2220                 return -ENOMEM;
2221
2222         cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2223         cmd->bmiss_time = cpu_to_le16(bmiss_time);
2224         cmd->num_beacons = cpu_to_le16(num_beacons);
2225
2226         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2227                                   NO_SYNC_WMIFLAG);
2228         return ret;
2229 }
2230
2231 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2232 {
2233         struct sk_buff *skb;
2234         struct wmi_power_mode_cmd *cmd;
2235         int ret;
2236
2237         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2238         if (!skb)
2239                 return -ENOMEM;
2240
2241         cmd = (struct wmi_power_mode_cmd *) skb->data;
2242         cmd->pwr_mode = pwr_mode;
2243         wmi->pwr_mode = pwr_mode;
2244
2245         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2246                                   NO_SYNC_WMIFLAG);
2247         return ret;
2248 }
2249
2250 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2251                             u16 ps_poll_num, u16 dtim_policy,
2252                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2253                             u16 ps_fail_event_policy)
2254 {
2255         struct sk_buff *skb;
2256         struct wmi_power_params_cmd *pm;
2257         int ret;
2258
2259         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2260         if (!skb)
2261                 return -ENOMEM;
2262
2263         pm = (struct wmi_power_params_cmd *)skb->data;
2264         pm->idle_period = cpu_to_le16(idle_period);
2265         pm->pspoll_number = cpu_to_le16(ps_poll_num);
2266         pm->dtim_policy = cpu_to_le16(dtim_policy);
2267         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2268         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2269         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2270
2271         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2272                                   NO_SYNC_WMIFLAG);
2273         return ret;
2274 }
2275
2276 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2277 {
2278         struct sk_buff *skb;
2279         struct wmi_disc_timeout_cmd *cmd;
2280         int ret;
2281
2282         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2283         if (!skb)
2284                 return -ENOMEM;
2285
2286         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2287         cmd->discon_timeout = timeout;
2288
2289         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2290                                   NO_SYNC_WMIFLAG);
2291
2292         if (ret == 0)
2293                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2294
2295         return ret;
2296 }
2297
2298 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2299                           enum crypto_type key_type,
2300                           u8 key_usage, u8 key_len,
2301                           u8 *key_rsc, unsigned int key_rsc_len,
2302                           u8 *key_material,
2303                           u8 key_op_ctrl, u8 *mac_addr,
2304                           enum wmi_sync_flag sync_flag)
2305 {
2306         struct sk_buff *skb;
2307         struct wmi_add_cipher_key_cmd *cmd;
2308         int ret;
2309
2310         ath6kl_dbg(ATH6KL_DBG_WMI,
2311                    "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2312                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2313
2314         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2315             (key_material == NULL) || key_rsc_len > 8)
2316                 return -EINVAL;
2317
2318         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2319                 return -EINVAL;
2320
2321         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2322         if (!skb)
2323                 return -ENOMEM;
2324
2325         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2326         cmd->key_index = key_index;
2327         cmd->key_type = key_type;
2328         cmd->key_usage = key_usage;
2329         cmd->key_len = key_len;
2330         memcpy(cmd->key, key_material, key_len);
2331
2332         if (key_rsc != NULL)
2333                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2334
2335         cmd->key_op_ctrl = key_op_ctrl;
2336
2337         if (mac_addr)
2338                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2339
2340         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2341                                   sync_flag);
2342
2343         return ret;
2344 }
2345
2346 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, const u8 *krk)
2347 {
2348         struct sk_buff *skb;
2349         struct wmi_add_krk_cmd *cmd;
2350         int ret;
2351
2352         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2353         if (!skb)
2354                 return -ENOMEM;
2355
2356         cmd = (struct wmi_add_krk_cmd *) skb->data;
2357         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2358
2359         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2360                                   NO_SYNC_WMIFLAG);
2361
2362         return ret;
2363 }
2364
2365 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2366 {
2367         struct sk_buff *skb;
2368         struct wmi_delete_cipher_key_cmd *cmd;
2369         int ret;
2370
2371         if (key_index > WMI_MAX_KEY_INDEX)
2372                 return -EINVAL;
2373
2374         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2375         if (!skb)
2376                 return -ENOMEM;
2377
2378         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2379         cmd->key_index = key_index;
2380
2381         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2382                                   NO_SYNC_WMIFLAG);
2383
2384         return ret;
2385 }
2386
2387 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2388                             const u8 *pmkid, bool set)
2389 {
2390         struct sk_buff *skb;
2391         struct wmi_setpmkid_cmd *cmd;
2392         int ret;
2393
2394         if (bssid == NULL)
2395                 return -EINVAL;
2396
2397         if (set && pmkid == NULL)
2398                 return -EINVAL;
2399
2400         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2401         if (!skb)
2402                 return -ENOMEM;
2403
2404         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2405         memcpy(cmd->bssid, bssid, ETH_ALEN);
2406         if (set) {
2407                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2408                 cmd->enable = PMKID_ENABLE;
2409         } else {
2410                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2411                 cmd->enable = PMKID_DISABLE;
2412         }
2413
2414         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2415                                   NO_SYNC_WMIFLAG);
2416
2417         return ret;
2418 }
2419
2420 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2421                               enum htc_endpoint_id ep_id, u8 if_idx)
2422 {
2423         struct wmi_data_hdr *data_hdr;
2424         int ret;
2425
2426         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {
2427                 dev_kfree_skb(skb);
2428                 return -EINVAL;
2429         }
2430
2431         skb_push(skb, sizeof(struct wmi_data_hdr));
2432
2433         data_hdr = (struct wmi_data_hdr *) skb->data;
2434         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2435         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2436
2437         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2438
2439         return ret;
2440 }
2441
2442 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2443 {
2444         struct sk_buff *skb;
2445         struct wmi_sync_cmd *cmd;
2446         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2447         enum htc_endpoint_id ep_id;
2448         u8 index, num_pri_streams = 0;
2449         int ret = 0;
2450
2451         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2452
2453         spin_lock_bh(&wmi->lock);
2454
2455         for (index = 0; index < WMM_NUM_AC; index++) {
2456                 if (wmi->fat_pipe_exist & (1 << index)) {
2457                         num_pri_streams++;
2458                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2459                             index;
2460                 }
2461         }
2462
2463         spin_unlock_bh(&wmi->lock);
2464
2465         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2466         if (!skb)
2467                 return -ENOMEM;
2468
2469         cmd = (struct wmi_sync_cmd *) skb->data;
2470
2471         /*
2472          * In the SYNC cmd sent on the control Ep, send a bitmap
2473          * of the data eps on which the Data Sync will be sent
2474          */
2475         cmd->data_sync_map = wmi->fat_pipe_exist;
2476
2477         for (index = 0; index < num_pri_streams; index++) {
2478                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2479                 if (data_sync_bufs[index].skb == NULL) {
2480                         ret = -ENOMEM;
2481                         break;
2482                 }
2483         }
2484
2485         /*
2486          * If buffer allocation for any of the dataSync fails,
2487          * then do not send the Synchronize cmd on the control ep
2488          */
2489         if (ret)
2490                 goto free_cmd_skb;
2491
2492         /*
2493          * Send sync cmd followed by sync data messages on all
2494          * endpoints being used
2495          */
2496         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2497                                   NO_SYNC_WMIFLAG);
2498
2499         if (ret)
2500                 goto free_data_skb;
2501
2502         for (index = 0; index < num_pri_streams; index++) {
2503                 if (WARN_ON(!data_sync_bufs[index].skb))
2504                         goto free_data_skb;
2505
2506                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2507                                                data_sync_bufs[index].
2508                                                traffic_class);
2509                 ret =
2510                     ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2511                                               ep_id, if_idx);
2512
2513                 data_sync_bufs[index].skb = NULL;
2514
2515                 if (ret)
2516                         goto free_data_skb;
2517         }
2518
2519         return 0;
2520
2521 free_cmd_skb:
2522         /* free up any resources left over (possibly due to an error) */
2523         dev_kfree_skb(skb);
2524
2525 free_data_skb:
2526         for (index = 0; index < num_pri_streams; index++)
2527                 dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].skb);
2528
2529         return ret;
2530 }
2531
2532 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2533                                   struct wmi_create_pstream_cmd *params)
2534 {
2535         struct sk_buff *skb;
2536         struct wmi_create_pstream_cmd *cmd;
2537         u8 fatpipe_exist_for_ac = 0;
2538         s32 min_phy = 0;
2539         s32 nominal_phy = 0;
2540         int ret;
2541
2542         if (!((params->user_pri < 8) &&
2543               (params->user_pri <= 0x7) &&
2544               (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2545               (params->traffic_direc == UPLINK_TRAFFIC ||
2546                params->traffic_direc == DNLINK_TRAFFIC ||
2547                params->traffic_direc == BIDIR_TRAFFIC) &&
2548               (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2549                params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2550               (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2551                params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2552                params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2553               (params->tsid == WMI_IMPLICIT_PSTREAM ||
2554                params->tsid <= WMI_MAX_THINSTREAM))) {
2555                 return -EINVAL;
2556         }
2557
2558         /*
2559          * Check nominal PHY rate is >= minimalPHY,
2560          * so that DUT can allow TSRS IE
2561          */
2562
2563         /* Get the physical rate (units of bps) */
2564         min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2565
2566         /* Check minimal phy < nominal phy rate */
2567         if (params->nominal_phy >= min_phy) {
2568                 /* unit of 500 kbps */
2569                 nominal_phy = (params->nominal_phy * 1000) / 500;
2570                 ath6kl_dbg(ATH6KL_DBG_WMI,
2571                            "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2572                            min_phy, nominal_phy);
2573
2574                 params->nominal_phy = nominal_phy;
2575         } else {
2576                 params->nominal_phy = 0;
2577         }
2578
2579         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2580         if (!skb)
2581                 return -ENOMEM;
2582
2583         ath6kl_dbg(ATH6KL_DBG_WMI,
2584                    "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2585                    params->traffic_class, params->tsid);
2586
2587         cmd = (struct wmi_create_pstream_cmd *) skb->data;
2588         memcpy(cmd, params, sizeof(*cmd));
2589
2590         /* This is an implicitly created Fat pipe */
2591         if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2592                 spin_lock_bh(&wmi->lock);
2593                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2594                                         (1 << params->traffic_class));
2595                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2596                 spin_unlock_bh(&wmi->lock);
2597         } else {
2598                 /* explicitly created thin stream within a fat pipe */
2599                 spin_lock_bh(&wmi->lock);
2600                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2601                                         (1 << params->traffic_class));
2602                 wmi->stream_exist_for_ac[params->traffic_class] |=
2603                     (1 << params->tsid);
2604                 /*
2605                  * If a thinstream becomes active, the fat pipe automatically
2606                  * becomes active
2607                  */
2608                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2609                 spin_unlock_bh(&wmi->lock);
2610         }
2611
2612         /*
2613          * Indicate activty change to driver layer only if this is the
2614          * first TSID to get created in this AC explicitly or an implicit
2615          * fat pipe is getting created.
2616          */
2617         if (!fatpipe_exist_for_ac)
2618                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2619                                             params->traffic_class, true);
2620
2621         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2622                                   NO_SYNC_WMIFLAG);
2623         return ret;
2624 }
2625
2626 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2627                                   u8 tsid)
2628 {
2629         struct sk_buff *skb;
2630         struct wmi_delete_pstream_cmd *cmd;
2631         u16 active_tsids = 0;
2632         int ret;
2633
2634         if (traffic_class > 3) {
2635                 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2636                 return -EINVAL;
2637         }
2638
2639         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2640         if (!skb)
2641                 return -ENOMEM;
2642
2643         cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2644         cmd->traffic_class = traffic_class;
2645         cmd->tsid = tsid;
2646
2647         spin_lock_bh(&wmi->lock);
2648         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2649         spin_unlock_bh(&wmi->lock);
2650
2651         if (!(active_tsids & (1 << tsid))) {
2652                 dev_kfree_skb(skb);
2653                 ath6kl_dbg(ATH6KL_DBG_WMI,
2654                            "TSID %d doesn't exist for traffic class: %d\n",
2655                            tsid, traffic_class);
2656                 return -ENODATA;
2657         }
2658
2659         ath6kl_dbg(ATH6KL_DBG_WMI,
2660                    "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2661                    traffic_class, tsid);
2662
2663         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2664                                   SYNC_BEFORE_WMIFLAG);
2665
2666         spin_lock_bh(&wmi->lock);
2667         wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2668         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2669         spin_unlock_bh(&wmi->lock);
2670
2671         /*
2672          * Indicate stream inactivity to driver layer only if all tsids
2673          * within this AC are deleted.
2674          */
2675         if (!active_tsids) {
2676                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2677                                             traffic_class, false);
2678                 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2679         }
2680
2681         return ret;
2682 }
2683
2684 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2685                           __be32 ips0, __be32 ips1)
2686 {
2687         struct sk_buff *skb;
2688         struct wmi_set_ip_cmd *cmd;
2689         int ret;
2690
2691         /* Multicast address are not valid */
2692         if (ipv4_is_multicast(ips0) ||
2693             ipv4_is_multicast(ips1))
2694                 return -EINVAL;
2695
2696         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2697         if (!skb)
2698                 return -ENOMEM;
2699
2700         cmd = (struct wmi_set_ip_cmd *) skb->data;
2701         cmd->ips[0] = ips0;
2702         cmd->ips[1] = ips1;
2703
2704         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2705                                   NO_SYNC_WMIFLAG);
2706         return ret;
2707 }
2708
2709 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2710 {
2711         u16 active_tsids;
2712         u8 stream_exist;
2713         int i;
2714
2715         /*
2716          * Relinquish credits from all implicitly created pstreams
2717          * since when we go to sleep. If user created explicit
2718          * thinstreams exists with in a fatpipe leave them intact
2719          * for the user to delete.
2720          */
2721         spin_lock_bh(&wmi->lock);
2722         stream_exist = wmi->fat_pipe_exist;
2723         spin_unlock_bh(&wmi->lock);
2724
2725         for (i = 0; i < WMM_NUM_AC; i++) {
2726                 if (stream_exist & (1 << i)) {
2727                         /*
2728                          * FIXME: Is this lock & unlock inside
2729                          * for loop correct? may need rework.
2730                          */
2731                         spin_lock_bh(&wmi->lock);
2732                         active_tsids = wmi->stream_exist_for_ac[i];
2733                         spin_unlock_bh(&wmi->lock);
2734
2735                         /*
2736                          * If there are no user created thin streams
2737                          * delete the fatpipe
2738                          */
2739                         if (!active_tsids) {
2740                                 stream_exist &= ~(1 << i);
2741                                 /*
2742                                  * Indicate inactivity to driver layer for
2743                                  * this fatpipe (pstream)
2744                                  */
2745                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2746                                                             i, false);
2747                         }
2748                 }
2749         }
2750
2751         /* FIXME: Can we do this assignment without locking ? */
2752         spin_lock_bh(&wmi->lock);
2753         wmi->fat_pipe_exist = stream_exist;
2754         spin_unlock_bh(&wmi->lock);
2755 }
2756
2757 static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2758                                      const struct cfg80211_bitrate_mask *mask)
2759 {
2760         struct sk_buff *skb;
2761         int ret, mode, band;
2762         u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2763         struct wmi_set_tx_select_rates64_cmd *cmd;
2764
2765         memset(&ratemask, 0, sizeof(ratemask));
2766
2767         /* only check 2.4 and 5 GHz bands, skip the rest */
2768         for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2769                 /* copy legacy rate mask */
2770                 ratemask[band] = mask->control[band].legacy;
2771                 if (band == IEEE80211_BAND_5GHZ)
2772                         ratemask[band] =
2773                                 mask->control[band].legacy << 4;
2774
2775                 /* copy mcs rate mask */
2776                 mcsrate = mask->control[band].ht_mcs[1];
2777                 mcsrate <<= 8;
2778                 mcsrate |= mask->control[band].ht_mcs[0];
2779                 ratemask[band] |= mcsrate << 12;
2780                 ratemask[band] |= mcsrate << 28;
2781         }
2782
2783         ath6kl_dbg(ATH6KL_DBG_WMI,
2784                    "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2785                    ratemask[0], ratemask[1]);
2786
2787         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2788         if (!skb)
2789                 return -ENOMEM;
2790
2791         cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2792         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2793                 /* A mode operate in 5GHZ band */
2794                 if (mode == WMI_RATES_MODE_11A ||
2795                     mode == WMI_RATES_MODE_11A_HT20 ||
2796                     mode == WMI_RATES_MODE_11A_HT40)
2797                         band = IEEE80211_BAND_5GHZ;
2798                 else
2799                         band = IEEE80211_BAND_2GHZ;
2800                 cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2801         }
2802
2803         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2804                                   WMI_SET_TX_SELECT_RATES_CMDID,
2805                                   NO_SYNC_WMIFLAG);
2806         return ret;
2807 }
2808
2809 static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2810                                      const struct cfg80211_bitrate_mask *mask)
2811 {
2812         struct sk_buff *skb;
2813         int ret, mode, band;
2814         u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2815         struct wmi_set_tx_select_rates32_cmd *cmd;
2816
2817         memset(&ratemask, 0, sizeof(ratemask));
2818
2819         /* only check 2.4 and 5 GHz bands, skip the rest */
2820         for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2821                 /* copy legacy rate mask */
2822                 ratemask[band] = mask->control[band].legacy;
2823                 if (band == IEEE80211_BAND_5GHZ)
2824                         ratemask[band] =
2825                                 mask->control[band].legacy << 4;
2826
2827                 /* copy mcs rate mask */
2828                 mcsrate = mask->control[band].ht_mcs[0];
2829                 ratemask[band] |= mcsrate << 12;
2830                 ratemask[band] |= mcsrate << 20;
2831         }
2832
2833         ath6kl_dbg(ATH6KL_DBG_WMI,
2834                    "Ratemask 32 bit: 2.4:%x 5:%x\n",
2835                    ratemask[0], ratemask[1]);
2836
2837         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2838         if (!skb)
2839                 return -ENOMEM;
2840
2841         cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2842         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2843                 /* A mode operate in 5GHZ band */
2844                 if (mode == WMI_RATES_MODE_11A ||
2845                     mode == WMI_RATES_MODE_11A_HT20 ||
2846                     mode == WMI_RATES_MODE_11A_HT40)
2847                         band = IEEE80211_BAND_5GHZ;
2848                 else
2849                         band = IEEE80211_BAND_2GHZ;
2850                 cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2851         }
2852
2853         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2854                                   WMI_SET_TX_SELECT_RATES_CMDID,
2855                                   NO_SYNC_WMIFLAG);
2856         return ret;
2857 }
2858
2859 int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2860                                 const struct cfg80211_bitrate_mask *mask)
2861 {
2862         struct ath6kl *ar = wmi->parent_dev;
2863
2864         if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
2865                      ar->fw_capabilities))
2866                 return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
2867         else
2868                 return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
2869 }
2870
2871 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2872                                        enum ath6kl_host_mode host_mode)
2873 {
2874         struct sk_buff *skb;
2875         struct wmi_set_host_sleep_mode_cmd *cmd;
2876         int ret;
2877
2878         if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2879             (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2880                 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2881                 return -EINVAL;
2882         }
2883
2884         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2885         if (!skb)
2886                 return -ENOMEM;
2887
2888         cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2889
2890         if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2891                 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2892                 cmd->asleep = cpu_to_le32(1);
2893         } else {
2894                 cmd->awake = cpu_to_le32(1);
2895         }
2896
2897         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2898                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2899                                   NO_SYNC_WMIFLAG);
2900         return ret;
2901 }
2902
2903 /* This command has zero length payload */
2904 static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2905                                                       struct ath6kl_vif *vif)
2906 {
2907         struct ath6kl *ar = wmi->parent_dev;
2908
2909         set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2910         wake_up(&ar->event_wq);
2911
2912         return 0;
2913 }
2914
2915 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2916                                 enum ath6kl_wow_mode wow_mode,
2917                                 u32 filter, u16 host_req_delay)
2918 {
2919         struct sk_buff *skb;
2920         struct wmi_set_wow_mode_cmd *cmd;
2921         int ret;
2922
2923         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2924             wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2925                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2926                 return -EINVAL;
2927         }
2928
2929         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2930         if (!skb)
2931                 return -ENOMEM;
2932
2933         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2934         cmd->enable_wow = cpu_to_le32(wow_mode);
2935         cmd->filter = cpu_to_le32(filter);
2936         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2937
2938         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2939                                   NO_SYNC_WMIFLAG);
2940         return ret;
2941 }
2942
2943 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2944                                    u8 list_id, u8 filter_size,
2945                                    u8 filter_offset, const u8 *filter,
2946                                    const u8 *mask)
2947 {
2948         struct sk_buff *skb;
2949         struct wmi_add_wow_pattern_cmd *cmd;
2950         u16 size;
2951         u8 *filter_mask;
2952         int ret;
2953
2954         /*
2955          * Allocate additional memory in the buffer to hold
2956          * filter and mask value, which is twice of filter_size.
2957          */
2958         size = sizeof(*cmd) + (2 * filter_size);
2959
2960         skb = ath6kl_wmi_get_new_buf(size);
2961         if (!skb)
2962                 return -ENOMEM;
2963
2964         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2965         cmd->filter_list_id = list_id;
2966         cmd->filter_size = filter_size;
2967         cmd->filter_offset = filter_offset;
2968
2969         memcpy(cmd->filter, filter, filter_size);
2970
2971         filter_mask = (u8 *) (cmd->filter + filter_size);
2972         memcpy(filter_mask, mask, filter_size);
2973
2974         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2975                                   NO_SYNC_WMIFLAG);
2976
2977         return ret;
2978 }
2979
2980 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2981                                    u16 list_id, u16 filter_id)
2982 {
2983         struct sk_buff *skb;
2984         struct wmi_del_wow_pattern_cmd *cmd;
2985         int ret;
2986
2987         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2988         if (!skb)
2989                 return -ENOMEM;
2990
2991         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2992         cmd->filter_list_id = cpu_to_le16(list_id);
2993         cmd->filter_id = cpu_to_le16(filter_id);
2994
2995         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2996                                   NO_SYNC_WMIFLAG);
2997         return ret;
2998 }
2999
3000 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
3001                                     enum wmix_command_id cmd_id,
3002                                     enum wmi_sync_flag sync_flag)
3003 {
3004         struct wmix_cmd_hdr *cmd_hdr;
3005         int ret;
3006
3007         skb_push(skb, sizeof(struct wmix_cmd_hdr));
3008
3009         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
3010         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
3011
3012         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
3013
3014         return ret;
3015 }
3016
3017 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
3018 {
3019         struct sk_buff *skb;
3020         struct wmix_hb_challenge_resp_cmd *cmd;
3021         int ret;
3022
3023         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3024         if (!skb)
3025                 return -ENOMEM;
3026
3027         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
3028         cmd->cookie = cpu_to_le32(cookie);
3029         cmd->source = cpu_to_le32(source);
3030
3031         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
3032                                        NO_SYNC_WMIFLAG);
3033         return ret;
3034 }
3035
3036 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
3037 {
3038         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
3039         struct sk_buff *skb;
3040         int ret;
3041
3042         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3043         if (!skb)
3044                 return -ENOMEM;
3045
3046         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
3047         cmd->valid = cpu_to_le32(valid);
3048         cmd->config = cpu_to_le32(config);
3049
3050         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
3051                                        NO_SYNC_WMIFLAG);
3052         return ret;
3053 }
3054
3055 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
3056 {
3057         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
3058 }
3059
3060 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
3061 {
3062         struct sk_buff *skb;
3063         struct wmi_set_tx_pwr_cmd *cmd;
3064         int ret;
3065
3066         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
3067         if (!skb)
3068                 return -ENOMEM;
3069
3070         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
3071         cmd->dbM = dbM;
3072
3073         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
3074                                   NO_SYNC_WMIFLAG);
3075
3076         return ret;
3077 }
3078
3079 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
3080 {
3081         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
3082 }
3083
3084 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
3085 {
3086         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
3087 }
3088
3089 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
3090                                  u8 preamble_policy)
3091 {
3092         struct sk_buff *skb;
3093         struct wmi_set_lpreamble_cmd *cmd;
3094         int ret;
3095
3096         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
3097         if (!skb)
3098                 return -ENOMEM;
3099
3100         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
3101         cmd->status = status;
3102         cmd->preamble_policy = preamble_policy;
3103
3104         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
3105                                   NO_SYNC_WMIFLAG);
3106         return ret;
3107 }
3108
3109 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
3110 {
3111         struct sk_buff *skb;
3112         struct wmi_set_rts_cmd *cmd;
3113         int ret;
3114
3115         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
3116         if (!skb)
3117                 return -ENOMEM;
3118
3119         cmd = (struct wmi_set_rts_cmd *) skb->data;
3120         cmd->threshold = cpu_to_le16(threshold);
3121
3122         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
3123                                   NO_SYNC_WMIFLAG);
3124         return ret;
3125 }
3126
3127 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
3128 {
3129         struct sk_buff *skb;
3130         struct wmi_set_wmm_txop_cmd *cmd;
3131         int ret;
3132
3133         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
3134                 return -EINVAL;
3135
3136         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
3137         if (!skb)
3138                 return -ENOMEM;
3139
3140         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
3141         cmd->txop_enable = cfg;
3142
3143         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
3144                                   NO_SYNC_WMIFLAG);
3145         return ret;
3146 }
3147
3148 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3149                                  u8 keep_alive_intvl)
3150 {
3151         struct sk_buff *skb;
3152         struct wmi_set_keepalive_cmd *cmd;
3153         int ret;
3154
3155         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3156         if (!skb)
3157                 return -ENOMEM;
3158
3159         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3160         cmd->keep_alive_intvl = keep_alive_intvl;
3161
3162         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
3163                                   NO_SYNC_WMIFLAG);
3164
3165         if (ret == 0)
3166                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
3167
3168         return ret;
3169 }
3170
3171 int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3172                              enum ieee80211_band band,
3173                              struct ath6kl_htcap *htcap)
3174 {
3175         struct sk_buff *skb;
3176         struct wmi_set_htcap_cmd *cmd;
3177
3178         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3179         if (!skb)
3180                 return -ENOMEM;
3181
3182         cmd = (struct wmi_set_htcap_cmd *) skb->data;
3183
3184         /*
3185          * NOTE: Band in firmware matches enum ieee80211_band, it is unlikely
3186          * this will be changed in firmware. If at all there is any change in
3187          * band value, the host needs to be fixed.
3188          */
3189         cmd->band = band;
3190         cmd->ht_enable = !!htcap->ht_enable;
3191         cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3192         cmd->ht40_supported =
3193                 !!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3194         cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3195         cmd->intolerant_40mhz =
3196                 !!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3197         cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3198
3199         ath6kl_dbg(ATH6KL_DBG_WMI,
3200                    "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3201                    cmd->band, cmd->ht_enable, cmd->ht40_supported,
3202                    cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3203                    cmd->max_ampdu_len_exp);
3204         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
3205                                    NO_SYNC_WMIFLAG);
3206 }
3207
3208 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3209 {
3210         struct sk_buff *skb;
3211         int ret;
3212
3213         skb = ath6kl_wmi_get_new_buf(len);
3214         if (!skb)
3215                 return -ENOMEM;
3216
3217         memcpy(skb->data, buf, len);
3218
3219         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
3220
3221         return ret;
3222 }
3223
3224 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3225 {
3226         struct sk_buff *skb;
3227         struct wmi_mcast_filter_cmd *cmd;
3228         int ret;
3229
3230         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3231         if (!skb)
3232                 return -ENOMEM;
3233
3234         cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3235         cmd->mcast_all_enable = mc_all_on;
3236
3237         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
3238                                   NO_SYNC_WMIFLAG);
3239         return ret;
3240 }
3241
3242 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3243                                         u8 *filter, bool add_filter)
3244 {
3245         struct sk_buff *skb;
3246         struct wmi_mcast_filter_add_del_cmd *cmd;
3247         int ret;
3248
3249         if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3250             (filter[0] != 0x01 || filter[1] != 0x00 ||
3251             filter[2] != 0x5e || filter[3] > 0x7f)) {
3252                 ath6kl_warn("invalid multicast filter address\n");
3253                 return -EINVAL;
3254         }
3255
3256         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3257         if (!skb)
3258                 return -ENOMEM;
3259
3260         cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3261         memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3262         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3263                                   add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3264                                   WMI_DEL_MCAST_FILTER_CMDID,
3265                                   NO_SYNC_WMIFLAG);
3266
3267         return ret;
3268 }
3269
3270 int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3271 {
3272         struct sk_buff *skb;
3273         struct wmi_sta_bmiss_enhance_cmd *cmd;
3274         int ret;
3275
3276         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3277         if (!skb)
3278                 return -ENOMEM;
3279
3280         cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data;
3281         cmd->enable = enhance ? 1 : 0;
3282
3283         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3284                                   WMI_STA_BMISS_ENHANCE_CMDID,
3285                                   NO_SYNC_WMIFLAG);
3286         return ret;
3287 }
3288
3289 int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
3290 {
3291         struct sk_buff *skb;
3292         struct wmi_set_regdomain_cmd *cmd;
3293
3294         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3295         if (!skb)
3296                 return -ENOMEM;
3297
3298         cmd = (struct wmi_set_regdomain_cmd *) skb->data;
3299         memcpy(cmd->iso_name, alpha2, 2);
3300
3301         return ath6kl_wmi_cmd_send(wmi, 0, skb,
3302                                    WMI_SET_REGDOMAIN_CMDID,
3303                                    NO_SYNC_WMIFLAG);
3304 }
3305
3306 s32 ath6kl_wmi_get_rate(struct wmi *wmi, s8 rate_index)
3307 {
3308         struct ath6kl *ar = wmi->parent_dev;
3309         u8 sgi = 0;
3310         s32 ret;
3311
3312         if (rate_index == RATE_AUTO)
3313                 return 0;
3314
3315         /* SGI is stored as the MSB of the rate_index */
3316         if (rate_index & RATE_INDEX_MSB) {
3317                 rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;
3318                 sgi = 1;
3319         }
3320
3321         if (test_bit(ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,
3322                      ar->fw_capabilities)) {
3323                 if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl_mcs15)))
3324                         return 0;
3325
3326                 ret = wmi_rate_tbl_mcs15[(u32) rate_index][sgi];
3327         } else {
3328                 if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl)))
3329                         return 0;
3330
3331                 ret = wmi_rate_tbl[(u32) rate_index][sgi];
3332         }
3333
3334         return ret;
3335 }
3336
3337 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3338                                               u32 len)
3339 {
3340         struct wmi_pmkid_list_reply *reply;
3341         u32 expected_len;
3342
3343         if (len < sizeof(struct wmi_pmkid_list_reply))
3344                 return -EINVAL;
3345
3346         reply = (struct wmi_pmkid_list_reply *)datap;
3347         expected_len = sizeof(reply->num_pmkid) +
3348                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3349
3350         if (len < expected_len)
3351                 return -EINVAL;
3352
3353         return 0;
3354 }
3355
3356 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3357                                          struct ath6kl_vif *vif)
3358 {
3359         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3360
3361         aggr_recv_addba_req_evt(vif, cmd->tid,
3362                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
3363
3364         return 0;
3365 }
3366
3367 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3368                                          struct ath6kl_vif *vif)
3369 {
3370         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3371
3372         aggr_recv_delba_req_evt(vif, cmd->tid);
3373
3374         return 0;
3375 }
3376
3377 /*  AP mode functions */
3378
3379 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3380                                  struct wmi_connect_cmd *p)
3381 {
3382         struct sk_buff *skb;
3383         struct wmi_connect_cmd *cm;
3384         int res;
3385
3386         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3387         if (!skb)
3388                 return -ENOMEM;
3389
3390         cm = (struct wmi_connect_cmd *) skb->data;
3391         memcpy(cm, p, sizeof(*cm));
3392
3393         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3394                                   NO_SYNC_WMIFLAG);
3395         ath6kl_dbg(ATH6KL_DBG_WMI,
3396                    "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3397                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3398                    le32_to_cpu(p->ctrl_flags), res);
3399         return res;
3400 }
3401
3402 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3403                            u16 reason)
3404 {
3405         struct sk_buff *skb;
3406         struct wmi_ap_set_mlme_cmd *cm;
3407
3408         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3409         if (!skb)
3410                 return -ENOMEM;
3411
3412         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3413         memcpy(cm->mac, mac, ETH_ALEN);
3414         cm->reason = cpu_to_le16(reason);
3415         cm->cmd = cmd;
3416
3417         ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3418                    cm->reason);
3419
3420         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3421                                    NO_SYNC_WMIFLAG);
3422 }
3423
3424 int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3425 {
3426         struct sk_buff *skb;
3427         struct wmi_ap_hidden_ssid_cmd *cmd;
3428
3429         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3430         if (!skb)
3431                 return -ENOMEM;
3432
3433         cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3434         cmd->hidden_ssid = enable ? 1 : 0;
3435
3436         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3437                                    NO_SYNC_WMIFLAG);
3438 }
3439
3440 /* This command will be used to enable/disable AP uAPSD feature */
3441 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3442 {
3443         struct wmi_ap_set_apsd_cmd *cmd;
3444         struct sk_buff *skb;
3445
3446         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3447         if (!skb)
3448                 return -ENOMEM;
3449
3450         cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3451         cmd->enable = enable;
3452
3453         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3454                                    NO_SYNC_WMIFLAG);
3455 }
3456
3457 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3458                                              u16 aid, u16 bitmap, u32 flags)
3459 {
3460         struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3461         struct sk_buff *skb;
3462
3463         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3464         if (!skb)
3465                 return -ENOMEM;
3466
3467         cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3468         cmd->aid = cpu_to_le16(aid);
3469         cmd->bitmap = cpu_to_le16(bitmap);
3470         cmd->flags = cpu_to_le32(flags);
3471
3472         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3473                                    WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3474                                    NO_SYNC_WMIFLAG);
3475 }
3476
3477 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3478                                       struct ath6kl_vif *vif)
3479 {
3480         struct wmi_pspoll_event *ev;
3481
3482         if (len < sizeof(struct wmi_pspoll_event))
3483                 return -EINVAL;
3484
3485         ev = (struct wmi_pspoll_event *) datap;
3486
3487         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3488
3489         return 0;
3490 }
3491
3492 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3493                                           struct ath6kl_vif *vif)
3494 {
3495         ath6kl_dtimexpiry_event(vif);
3496
3497         return 0;
3498 }
3499
3500 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3501                            bool flag)
3502 {
3503         struct sk_buff *skb;
3504         struct wmi_ap_set_pvb_cmd *cmd;
3505         int ret;
3506
3507         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3508         if (!skb)
3509                 return -ENOMEM;
3510
3511         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3512         cmd->aid = cpu_to_le16(aid);
3513         cmd->rsvd = cpu_to_le16(0);
3514         cmd->flag = cpu_to_le32(flag);
3515
3516         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3517                                   NO_SYNC_WMIFLAG);
3518
3519         return 0;
3520 }
3521
3522 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3523                                        u8 rx_meta_ver,
3524                                        bool rx_dot11_hdr, bool defrag_on_host)
3525 {
3526         struct sk_buff *skb;
3527         struct wmi_rx_frame_format_cmd *cmd;
3528         int ret;
3529
3530         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3531         if (!skb)
3532                 return -ENOMEM;
3533
3534         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3535         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3536         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3537         cmd->meta_ver = rx_meta_ver;
3538
3539         /* Delete the local aggr state, on host */
3540         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3541                                   NO_SYNC_WMIFLAG);
3542
3543         return ret;
3544 }
3545
3546 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3547                              const u8 *ie, u8 ie_len)
3548 {
3549         struct sk_buff *skb;
3550         struct wmi_set_appie_cmd *p;
3551
3552         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3553         if (!skb)
3554                 return -ENOMEM;
3555
3556         ath6kl_dbg(ATH6KL_DBG_WMI,
3557                    "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3558                    mgmt_frm_type, ie_len);
3559         p = (struct wmi_set_appie_cmd *) skb->data;
3560         p->mgmt_frm_type = mgmt_frm_type;
3561         p->ie_len = ie_len;
3562
3563         if (ie != NULL && ie_len > 0)
3564                 memcpy(p->ie_info, ie, ie_len);
3565
3566         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3567                                    NO_SYNC_WMIFLAG);
3568 }
3569
3570 int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3571                           const u8 *ie_info, u8 ie_len)
3572 {
3573         struct sk_buff *skb;
3574         struct wmi_set_ie_cmd *p;
3575
3576         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3577         if (!skb)
3578                 return -ENOMEM;
3579
3580         ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3581                    ie_id, ie_field, ie_len);
3582         p = (struct wmi_set_ie_cmd *) skb->data;
3583         p->ie_id = ie_id;
3584         p->ie_field = ie_field;
3585         p->ie_len = ie_len;
3586         if (ie_info && ie_len > 0)
3587                 memcpy(p->ie_info, ie_info, ie_len);
3588
3589         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,
3590                                    NO_SYNC_WMIFLAG);
3591 }
3592
3593 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3594 {
3595         struct sk_buff *skb;
3596         struct wmi_disable_11b_rates_cmd *cmd;
3597
3598         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3599         if (!skb)
3600                 return -ENOMEM;
3601
3602         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3603                    disable);
3604         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3605         cmd->disable = disable ? 1 : 0;
3606
3607         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3608                                    NO_SYNC_WMIFLAG);
3609 }
3610
3611 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3612 {
3613         struct sk_buff *skb;
3614         struct wmi_remain_on_chnl_cmd *p;
3615
3616         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3617         if (!skb)
3618                 return -ENOMEM;
3619
3620         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3621                    freq, dur);
3622         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3623         p->freq = cpu_to_le32(freq);
3624         p->duration = cpu_to_le32(dur);
3625         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3626                                    NO_SYNC_WMIFLAG);
3627 }
3628
3629 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3630  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3631  * mgmt operations using station interface.
3632  */
3633 static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3634                                       u32 freq, u32 wait, const u8 *data,
3635                                       u16 data_len)
3636 {
3637         struct sk_buff *skb;
3638         struct wmi_send_action_cmd *p;
3639         u8 *buf;
3640
3641         if (wait)
3642                 return -EINVAL; /* Offload for wait not supported */
3643
3644         buf = kmalloc(data_len, GFP_KERNEL);
3645         if (!buf)
3646                 return -ENOMEM;
3647
3648         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3649         if (!skb) {
3650                 kfree(buf);
3651                 return -ENOMEM;
3652         }
3653
3654         kfree(wmi->last_mgmt_tx_frame);
3655         memcpy(buf, data, data_len);
3656         wmi->last_mgmt_tx_frame = buf;
3657         wmi->last_mgmt_tx_frame_len = data_len;
3658
3659         ath6kl_dbg(ATH6KL_DBG_WMI,
3660                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3661                    id, freq, wait, data_len);
3662         p = (struct wmi_send_action_cmd *) skb->data;
3663         p->id = cpu_to_le32(id);
3664         p->freq = cpu_to_le32(freq);
3665         p->wait = cpu_to_le32(wait);
3666         p->len = cpu_to_le16(data_len);
3667         memcpy(p->data, data, data_len);
3668         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3669                                    NO_SYNC_WMIFLAG);
3670 }
3671
3672 static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3673                                       u32 freq, u32 wait, const u8 *data,
3674                                       u16 data_len, u32 no_cck)
3675 {
3676         struct sk_buff *skb;
3677         struct wmi_send_mgmt_cmd *p;
3678         u8 *buf;
3679
3680         if (wait)
3681                 return -EINVAL; /* Offload for wait not supported */
3682
3683         buf = kmalloc(data_len, GFP_KERNEL);
3684         if (!buf)
3685                 return -ENOMEM;
3686
3687         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3688         if (!skb) {
3689                 kfree(buf);
3690                 return -ENOMEM;
3691         }
3692
3693         kfree(wmi->last_mgmt_tx_frame);
3694         memcpy(buf, data, data_len);
3695         wmi->last_mgmt_tx_frame = buf;
3696         wmi->last_mgmt_tx_frame_len = data_len;
3697
3698         ath6kl_dbg(ATH6KL_DBG_WMI,
3699                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3700                    id, freq, wait, data_len);
3701         p = (struct wmi_send_mgmt_cmd *) skb->data;
3702         p->id = cpu_to_le32(id);
3703         p->freq = cpu_to_le32(freq);
3704         p->wait = cpu_to_le32(wait);
3705         p->no_cck = cpu_to_le32(no_cck);
3706         p->len = cpu_to_le16(data_len);
3707         memcpy(p->data, data, data_len);
3708         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3709                                    NO_SYNC_WMIFLAG);
3710 }
3711
3712 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3713                                 u32 wait, const u8 *data, u16 data_len,
3714                                 u32 no_cck)
3715 {
3716         int status;
3717         struct ath6kl *ar = wmi->parent_dev;
3718
3719         if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3720                      ar->fw_capabilities)) {
3721                 /*
3722                  * If capable of doing P2P mgmt operations using
3723                  * station interface, send additional information like
3724                  * supported rates to advertise and xmit rates for
3725                  * probe requests
3726                  */
3727                 status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3728                                                     wait, data, data_len,
3729                                                     no_cck);
3730         } else {
3731                 status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3732                                                     wait, data, data_len);
3733         }
3734
3735         return status;
3736 }
3737
3738 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3739                                        const u8 *dst, const u8 *data,
3740                                        u16 data_len)
3741 {
3742         struct sk_buff *skb;
3743         struct wmi_p2p_probe_response_cmd *p;
3744         size_t cmd_len = sizeof(*p) + data_len;
3745
3746         if (data_len == 0)
3747                 cmd_len++; /* work around target minimum length requirement */
3748
3749         skb = ath6kl_wmi_get_new_buf(cmd_len);
3750         if (!skb)
3751                 return -ENOMEM;
3752
3753         ath6kl_dbg(ATH6KL_DBG_WMI,
3754                    "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3755                    freq, dst, data_len);
3756         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3757         p->freq = cpu_to_le32(freq);
3758         memcpy(p->destination_addr, dst, ETH_ALEN);
3759         p->len = cpu_to_le16(data_len);
3760         memcpy(p->data, data, data_len);
3761         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3762                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3763                                    NO_SYNC_WMIFLAG);
3764 }
3765
3766 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3767 {
3768         struct sk_buff *skb;
3769         struct wmi_probe_req_report_cmd *p;
3770
3771         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3772         if (!skb)
3773                 return -ENOMEM;
3774
3775         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3776                    enable);
3777         p = (struct wmi_probe_req_report_cmd *) skb->data;
3778         p->enable = enable ? 1 : 0;
3779         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3780                                    NO_SYNC_WMIFLAG);
3781 }
3782
3783 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3784 {
3785         struct sk_buff *skb;
3786         struct wmi_get_p2p_info *p;
3787
3788         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3789         if (!skb)
3790                 return -ENOMEM;
3791
3792         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3793                    info_req_flags);
3794         p = (struct wmi_get_p2p_info *) skb->data;
3795         p->info_req_flags = cpu_to_le32(info_req_flags);
3796         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3797                                    NO_SYNC_WMIFLAG);
3798 }
3799
3800 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3801 {
3802         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3803         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3804                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3805 }
3806
3807 int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3808 {
3809         struct sk_buff *skb;
3810         struct wmi_set_inact_period_cmd *cmd;
3811
3812         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3813         if (!skb)
3814                 return -ENOMEM;
3815
3816         cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3817         cmd->inact_period = cpu_to_le32(inact_timeout);
3818         cmd->num_null_func = 0;
3819
3820         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,
3821                                    NO_SYNC_WMIFLAG);
3822 }
3823
3824 static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,
3825                                                int len)
3826 {
3827         struct wmix_hb_challenge_resp_cmd *cmd;
3828
3829         if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
3830                 return;
3831
3832         cmd = (struct wmix_hb_challenge_resp_cmd *) datap;
3833         ath6kl_recovery_hb_event(wmi->parent_dev,
3834                                  le32_to_cpu(cmd->cookie));
3835 }
3836
3837 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3838 {
3839         struct wmix_cmd_hdr *cmd;
3840         u32 len;
3841         u16 id;
3842         u8 *datap;
3843         int ret = 0;
3844
3845         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3846                 ath6kl_err("bad packet 1\n");
3847                 return -EINVAL;
3848         }
3849
3850         cmd = (struct wmix_cmd_hdr *) skb->data;
3851         id = le32_to_cpu(cmd->cmd_id);
3852
3853         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3854
3855         datap = skb->data;
3856         len = skb->len;
3857
3858         switch (id) {
3859         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3860                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3861                 ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);
3862                 break;
3863         case WMIX_DBGLOG_EVENTID:
3864                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3865                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3866                 break;
3867         default:
3868                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3869                 ret = -EINVAL;
3870                 break;
3871         }
3872
3873         return ret;
3874 }
3875
3876 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3877 {
3878         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3879 }
3880
3881 /* Process interface specific wmi events, caller would free the datap */
3882 static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3883                                         u8 *datap, u32 len)
3884 {
3885         struct ath6kl_vif *vif;
3886
3887         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3888         if (!vif) {
3889                 ath6kl_dbg(ATH6KL_DBG_WMI,
3890                            "Wmi event for unavailable vif, vif_index:%d\n",
3891                             if_idx);
3892                 return -EINVAL;
3893         }
3894
3895         switch (cmd_id) {
3896         case WMI_CONNECT_EVENTID:
3897                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3898                 return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3899         case WMI_DISCONNECT_EVENTID:
3900                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3901                 return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3902         case WMI_TKIP_MICERR_EVENTID:
3903                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3904                 return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3905         case WMI_BSSINFO_EVENTID:
3906                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3907                 return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3908         case WMI_NEIGHBOR_REPORT_EVENTID:
3909                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3910                 return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3911                                                            vif);
3912         case WMI_SCAN_COMPLETE_EVENTID:
3913                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3914                 return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3915         case WMI_REPORT_STATISTICS_EVENTID:
3916                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3917                 return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3918         case WMI_CAC_EVENTID:
3919                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3920                 return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3921         case WMI_PSPOLL_EVENTID:
3922                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3923                 return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3924         case WMI_DTIMEXPIRY_EVENTID:
3925                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3926                 return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3927         case WMI_ADDBA_REQ_EVENTID:
3928                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3929                 return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3930         case WMI_DELBA_REQ_EVENTID:
3931                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3932                 return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3933         case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3934                 ath6kl_dbg(ATH6KL_DBG_WMI,
3935                            "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3936                 return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3937         case WMI_REMAIN_ON_CHNL_EVENTID:
3938                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3939                 return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3940         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3941                 ath6kl_dbg(ATH6KL_DBG_WMI,
3942                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3943                 return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3944                                                                  len, vif);
3945         case WMI_TX_STATUS_EVENTID:
3946                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3947                 return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3948         case WMI_RX_PROBE_REQ_EVENTID:
3949                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3950                 return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3951         case WMI_RX_ACTION_EVENTID:
3952                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3953                 return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3954         case WMI_TXE_NOTIFY_EVENTID:
3955                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");
3956                 return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
3957         default:
3958                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3959                 return -EINVAL;
3960         }
3961
3962         return 0;
3963 }
3964
3965 static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3966 {
3967         struct wmi_cmd_hdr *cmd;
3968         int ret = 0;
3969         u32 len;
3970         u16 id;
3971         u8 if_idx;
3972         u8 *datap;
3973
3974         cmd = (struct wmi_cmd_hdr *) skb->data;
3975         id = le16_to_cpu(cmd->cmd_id);
3976         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3977
3978         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3979         datap = skb->data;
3980         len = skb->len;
3981
3982         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3983         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3984                         datap, len);
3985
3986         switch (id) {
3987         case WMI_GET_BITRATE_CMDID:
3988                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3989                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3990                 break;
3991         case WMI_GET_CHANNEL_LIST_CMDID:
3992                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3993                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3994                 break;
3995         case WMI_GET_TX_PWR_CMDID:
3996                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3997                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3998                 break;
3999         case WMI_READY_EVENTID:
4000                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
4001                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
4002                 break;
4003         case WMI_PEER_NODE_EVENTID:
4004                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
4005                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
4006                 break;
4007         case WMI_REGDOMAIN_EVENTID:
4008                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
4009                 ath6kl_wmi_regdomain_event(wmi, datap, len);
4010                 break;
4011         case WMI_PSTREAM_TIMEOUT_EVENTID:
4012                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
4013                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
4014                 break;
4015         case WMI_CMDERROR_EVENTID:
4016                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
4017                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
4018                 break;
4019         case WMI_RSSI_THRESHOLD_EVENTID:
4020                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
4021                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
4022                 break;
4023         case WMI_ERROR_REPORT_EVENTID:
4024                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
4025                 break;
4026         case WMI_OPT_RX_FRAME_EVENTID:
4027                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
4028                 /* this event has been deprecated */
4029                 break;
4030         case WMI_REPORT_ROAM_TBL_EVENTID:
4031                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
4032                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
4033                 break;
4034         case WMI_EXTENSION_EVENTID:
4035                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
4036                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
4037                 break;
4038         case WMI_CHANNEL_CHANGE_EVENTID:
4039                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
4040                 break;
4041         case WMI_REPORT_ROAM_DATA_EVENTID:
4042                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
4043                 break;
4044         case WMI_TEST_EVENTID:
4045                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
4046                 ret = ath6kl_wmi_test_rx(wmi, datap, len);
4047                 break;
4048         case WMI_GET_FIXRATES_CMDID:
4049                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
4050                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
4051                 break;
4052         case WMI_TX_RETRY_ERR_EVENTID:
4053                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
4054                 break;
4055         case WMI_SNR_THRESHOLD_EVENTID:
4056                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
4057                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
4058                 break;
4059         case WMI_LQ_THRESHOLD_EVENTID:
4060                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
4061                 break;
4062         case WMI_APLIST_EVENTID:
4063                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
4064                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
4065                 break;
4066         case WMI_GET_KEEPALIVE_CMDID:
4067                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
4068                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
4069                 break;
4070         case WMI_GET_WOW_LIST_EVENTID:
4071                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
4072                 break;
4073         case WMI_GET_PMKID_LIST_EVENTID:
4074                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
4075                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
4076                 break;
4077         case WMI_SET_PARAMS_REPLY_EVENTID:
4078                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
4079                 break;
4080         case WMI_ADDBA_RESP_EVENTID:
4081                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
4082                 break;
4083         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
4084                 ath6kl_dbg(ATH6KL_DBG_WMI,
4085                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
4086                 break;
4087         case WMI_REPORT_BTCOEX_STATS_EVENTID:
4088                 ath6kl_dbg(ATH6KL_DBG_WMI,
4089                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
4090                 break;
4091         case WMI_TX_COMPLETE_EVENTID:
4092                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
4093                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
4094                 break;
4095         case WMI_P2P_CAPABILITIES_EVENTID:
4096                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
4097                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
4098                 break;
4099         case WMI_P2P_INFO_EVENTID:
4100                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
4101                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
4102                 break;
4103         default:
4104                 /* may be the event is interface specific */
4105                 ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
4106                 break;
4107         }
4108
4109         dev_kfree_skb(skb);
4110         return ret;
4111 }
4112
4113 /* Control Path */
4114 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
4115 {
4116         if (WARN_ON(skb == NULL))
4117                 return -EINVAL;
4118
4119         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
4120                 ath6kl_err("bad packet 1\n");
4121                 dev_kfree_skb(skb);
4122                 return -EINVAL;
4123         }
4124
4125         trace_ath6kl_wmi_event(skb->data, skb->len);
4126
4127         return ath6kl_wmi_proc_events(wmi, skb);
4128 }
4129
4130 void ath6kl_wmi_reset(struct wmi *wmi)
4131 {
4132         spin_lock_bh(&wmi->lock);
4133
4134         wmi->fat_pipe_exist = 0;
4135         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
4136
4137         spin_unlock_bh(&wmi->lock);
4138 }
4139
4140 void *ath6kl_wmi_init(struct ath6kl *dev)
4141 {
4142         struct wmi *wmi;
4143
4144         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
4145         if (!wmi)
4146                 return NULL;
4147
4148         spin_lock_init(&wmi->lock);
4149
4150         wmi->parent_dev = dev;
4151
4152         wmi->pwr_mode = REC_POWER;
4153
4154         ath6kl_wmi_reset(wmi);
4155
4156         return wmi;
4157 }
4158
4159 void ath6kl_wmi_shutdown(struct wmi *wmi)
4160 {
4161         if (!wmi)
4162                 return;
4163
4164         kfree(wmi->last_mgmt_tx_frame);
4165         kfree(wmi);
4166 }