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

   1 /*
   2  * Copyright (c) 2004-2011 Atheros Communications Inc.
   3  * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #include <linux/ip.h>
  19 #include <linux/in.h>
  20 #include "core.h"
  21 #include "debug.h"
  22 #include "testmode.h"
  23 #include "trace.h"
  24 #include "../regd.h"
  25 #include "../regd_common.h"
  26
  27 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
  28
  29 static const s32 wmi_rate_tbl[][2] = {
  30         /* {W/O SGI, with SGI} */
  31         {1000, 1000},
  32         {2000, 2000},
  33         {5500, 5500},
  34         {11000, 11000},
  35         {6000, 6000},
  36         {9000, 9000},
  37         {12000, 12000},
  38         {18000, 18000},
  39         {24000, 24000},
  40         {36000, 36000},
  41         {48000, 48000},
  42         {54000, 54000},
  43         {6500, 7200},
  44         {13000, 14400},
  45         {19500, 21700},
  46         {26000, 28900},
  47         {39000, 43300},
  48         {52000, 57800},
  49         {58500, 65000},
  50         {65000, 72200},
  51         {13500, 15000},
  52         {27000, 30000},
  53         {40500, 45000},
  54         {54000, 60000},
  55         {81000, 90000},
  56         {108000, 120000},
  57         {121500, 135000},
  58         {135000, 150000},
  59         {0, 0}
  60 };
  61
  62 static const s32 wmi_rate_tbl_mcs15[][2] = {
  63         /* {W/O SGI, with SGI} */
  64         {1000, 1000},
  65         {2000, 2000},
  66         {5500, 5500},
  67         {11000, 11000},
  68         {6000, 6000},
  69         {9000, 9000},
  70         {12000, 12000},
  71         {18000, 18000},
  72         {24000, 24000},
  73         {36000, 36000},
  74         {48000, 48000},
  75         {54000, 54000},
  76         {6500, 7200},     /* HT 20, MCS 0 */
  77         {13000, 14400},
  78         {19500, 21700},
  79         {26000, 28900},
  80         {39000, 43300},
  81         {52000, 57800},
  82         {58500, 65000},
  83         {65000, 72200},
  84         {13000, 14400},   /* HT 20, MCS 8 */
  85         {26000, 28900},
  86         {39000, 43300},
  87         {52000, 57800},
  88         {78000, 86700},
  89         {104000, 115600},
  90         {117000, 130000},
  91         {130000, 144400}, /* HT 20, MCS 15 */
  92         {13500, 15000},   /*HT 40, MCS 0 */
  93         {27000, 30000},
  94         {40500, 45000},
  95         {54000, 60000},
  96         {81000, 90000},
  97         {108000, 120000},
  98         {121500, 135000},
  99         {135000, 150000},
 100         {27000, 30000},   /*HT 40, MCS 8 */
 101         {54000, 60000},
 102         {81000, 90000},
 103         {108000, 120000},
 104         {162000, 180000},
 105         {216000, 240000},
 106         {243000, 270000},
 107         {270000, 300000}, /*HT 40, MCS 15 */
 108         {0, 0}
 109 };
 110
 111 /* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
 112 static const u8 up_to_ac[] = {
 113         WMM_AC_BE,
 114         WMM_AC_BK,
 115         WMM_AC_BK,
 116         WMM_AC_BE,
 117         WMM_AC_VI,
 118         WMM_AC_VI,
 119         WMM_AC_VO,
 120         WMM_AC_VO,
 121 };
 122
 123 void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
 124 {
 125         if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
 126                 return;
 127
 128         wmi->ep_id = ep_id;
 129 }
 130
 131 enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
 132 {
 133         return wmi->ep_id;
 134 }
 135
 136 struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
 137 {
 138         struct ath6kl_vif *vif, *found = NULL;
 139
 140         if (WARN_ON(if_idx > (ar->vif_max - 1)))
 141                 return NULL;
 142
 143         /* FIXME: Locking */
 144         spin_lock_bh(&ar->list_lock);
 145         list_for_each_entry(vif, &ar->vif_list, list) {
 146                 if (vif->fw_vif_idx == if_idx) {
 147                         found = vif;
 148                         break;
 149                 }
 150         }
 151         spin_unlock_bh(&ar->list_lock);
 152
 153         return found;
 154 }
 155
 156 /*  Performs DIX to 802.3 encapsulation for transmit packets.
 157  *  Assumes the entire DIX header is contiguous and that there is
 158  *  enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
 159  */
 160 int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
 161 {
 162         struct ath6kl_llc_snap_hdr *llc_hdr;
 163         struct ethhdr *eth_hdr;
 164         size_t new_len;
 165         __be16 type;
 166         u8 *datap;
 167         u16 size;
 168
 169         if (WARN_ON(skb == NULL))
 170                 return -EINVAL;
 171
 172         size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
 173         if (skb_headroom(skb) < size)
 174                 return -ENOMEM;
 175
 176         eth_hdr = (struct ethhdr *) skb->data;
 177         type = eth_hdr->h_proto;
 178
 179         if (!is_ethertype(be16_to_cpu(type))) {
 180                 ath6kl_dbg(ATH6KL_DBG_WMI,
 181                            "%s: pkt is already in 802.3 format\n", __func__);
 182                 return 0;
 183         }
 184
 185         new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
 186
 187         skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
 188         datap = skb->data;
 189
 190         eth_hdr->h_proto = cpu_to_be16(new_len);
 191
 192         memcpy(datap, eth_hdr, sizeof(*eth_hdr));
 193
 194         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
 195         llc_hdr->dsap = 0xAA;
 196         llc_hdr->ssap = 0xAA;
 197         llc_hdr->cntl = 0x03;
 198         llc_hdr->org_code[0] = 0x0;
 199         llc_hdr->org_code[1] = 0x0;
 200         llc_hdr->org_code[2] = 0x0;
 201         llc_hdr->eth_type = type;
 202
 203         return 0;
 204 }
 205
 206 static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
 207                                u8 *version, void *tx_meta_info)
 208 {
 209         struct wmi_tx_meta_v1 *v1;
 210         struct wmi_tx_meta_v2 *v2;
 211
 212         if (WARN_ON(skb == NULL || version == NULL))
 213                 return -EINVAL;
 214
 215         switch (*version) {
 216         case WMI_META_VERSION_1:
 217                 skb_push(skb, WMI_MAX_TX_META_SZ);
 218                 v1 = (struct wmi_tx_meta_v1 *) skb->data;
 219                 v1->pkt_id = 0;
 220                 v1->rate_plcy_id = 0;
 221                 *version = WMI_META_VERSION_1;
 222                 break;
 223         case WMI_META_VERSION_2:
 224                 skb_push(skb, WMI_MAX_TX_META_SZ);
 225                 v2 = (struct wmi_tx_meta_v2 *) skb->data;
 226                 memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
 227                        sizeof(struct wmi_tx_meta_v2));
 228                 break;
 229         }
 230
 231         return 0;
 232 }
 233
 234 int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
 235                             u8 msg_type, u32 flags,
 236                             enum wmi_data_hdr_data_type data_type,
 237                             u8 meta_ver, void *tx_meta_info, u8 if_idx)
 238 {
 239         struct wmi_data_hdr *data_hdr;
 240         int ret;
 241
 242         if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))
 243                 return -EINVAL;
 244
 245         if (tx_meta_info) {
 246                 ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
 247                 if (ret)
 248                         return ret;
 249         }
 250
 251         skb_push(skb, sizeof(struct wmi_data_hdr));
 252
 253         data_hdr = (struct wmi_data_hdr *)skb->data;
 254         memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
 255
 256         data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
 257         data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
 258
 259         if (flags & WMI_DATA_HDR_FLAGS_MORE)
 260                 data_hdr->info |= WMI_DATA_HDR_MORE;
 261
 262         if (flags & WMI_DATA_HDR_FLAGS_EOSP)
 263                 data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);
 264
 265         data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
 266         data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
 267
 268         return 0;
 269 }
 270
 271 u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
 272 {
 273         struct iphdr *ip_hdr = (struct iphdr *) pkt;
 274         u8 ip_pri;
 275
 276         /*
 277          * Determine IPTOS priority
 278          *
 279          * IP-TOS - 8bits
 280          *          : DSCP(6-bits) ECN(2-bits)
 281          *          : DSCP - P2 P1 P0 X X X
 282          * where (P2 P1 P0) form 802.1D
 283          */
 284         ip_pri = ip_hdr->tos >> 5;
 285         ip_pri &= 0x7;
 286
 287         if ((layer2_pri & 0x7) > ip_pri)
 288                 return (u8) layer2_pri & 0x7;
 289         else
 290                 return ip_pri;
 291 }
 292
 293 u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
 294 {
 295         return  up_to_ac[user_priority & 0x7];
 296 }
 297
 298 int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
 299                                        struct sk_buff *skb,
 300                                        u32 layer2_priority, bool wmm_enabled,
 301                                        u8 *ac)
 302 {
 303         struct wmi_data_hdr *data_hdr;
 304         struct ath6kl_llc_snap_hdr *llc_hdr;
 305         struct wmi_create_pstream_cmd cmd;
 306         u32 meta_size, hdr_size;
 307         u16 ip_type = IP_ETHERTYPE;
 308         u8 stream_exist, usr_pri;
 309         u8 traffic_class = WMM_AC_BE;
 310         u8 *datap;
 311
 312         if (WARN_ON(skb == NULL))
 313                 return -EINVAL;
 314
 315         datap = skb->data;
 316         data_hdr = (struct wmi_data_hdr *) datap;
 317
 318         meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
 319                      WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
 320
 321         if (!wmm_enabled) {
 322                 /* If WMM is disabled all traffic goes as BE traffic */
 323                 usr_pri = 0;
 324         } else {
 325                 hdr_size = sizeof(struct ethhdr);
 326
 327                 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
 328                                                          sizeof(struct
 329                                                                 wmi_data_hdr) +
 330                                                          meta_size + hdr_size);
 331
 332                 if (llc_hdr->eth_type == htons(ip_type)) {
 333                         /*
 334                          * Extract the endpoint info from the TOS field
 335                          * in the IP header.
 336                          */
 337                         usr_pri =
 338                            ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
 339                                         sizeof(struct ath6kl_llc_snap_hdr),
 340                                         layer2_priority);
 341                 } else {
 342                         usr_pri = layer2_priority & 0x7;
 343                 }
 344
 345                 /*
 346                  * Queue the EAPOL frames in the same WMM_AC_VO queue
 347                  * as that of management frames.
 348                  */
 349                 if (skb->protocol == cpu_to_be16(ETH_P_PAE))
 350                         usr_pri = WMI_VOICE_USER_PRIORITY;
 351         }
 352
 353         /*
 354          * workaround for WMM S5
 355          *
 356          * FIXME: wmi->traffic_class is always 100 so this test doesn't
 357          * make sense
 358          */
 359         if ((wmi->traffic_class == WMM_AC_VI) &&
 360             ((usr_pri == 5) || (usr_pri == 4)))
 361                 usr_pri = 1;
 362
 363         /* Convert user priority to traffic class */
 364         traffic_class = up_to_ac[usr_pri & 0x7];
 365
 366         wmi_data_hdr_set_up(data_hdr, usr_pri);
 367
 368         spin_lock_bh(&wmi->lock);
 369         stream_exist = wmi->fat_pipe_exist;
 370         spin_unlock_bh(&wmi->lock);
 371
 372         if (!(stream_exist & (1 << traffic_class))) {
 373                 memset(&cmd, 0, sizeof(cmd));
 374                 cmd.traffic_class = traffic_class;
 375                 cmd.user_pri = usr_pri;
 376                 cmd.inactivity_int =
 377                         cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
 378                 /* Implicit streams are created with TSID 0xFF */
 379                 cmd.tsid = WMI_IMPLICIT_PSTREAM;
 380                 ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
 381         }
 382
 383         *ac = traffic_class;
 384
 385         return 0;
 386 }
 387
 388 int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
 389 {
 390         struct ieee80211_hdr_3addr *pwh, wh;
 391         struct ath6kl_llc_snap_hdr *llc_hdr;
 392         struct ethhdr eth_hdr;
 393         u32 hdr_size;
 394         u8 *datap;
 395         __le16 sub_type;
 396
 397         if (WARN_ON(skb == NULL))
 398                 return -EINVAL;
 399
 400         datap = skb->data;
 401         pwh = (struct ieee80211_hdr_3addr *) datap;
 402
 403         sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
 404
 405         memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
 406
 407         /* Strip off the 802.11 header */
 408         if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
 409                 hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
 410                                    sizeof(u32));
 411                 skb_pull(skb, hdr_size);
 412         } else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA)) {
 413                 skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
 414         }
 415
 416         datap = skb->data;
 417         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
 418
 419         memset(&eth_hdr, 0, sizeof(eth_hdr));
 420         eth_hdr.h_proto = llc_hdr->eth_type;
 421
 422         switch ((le16_to_cpu(wh.frame_control)) &
 423                 (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
 424         case IEEE80211_FCTL_TODS:
 425                 memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
 426                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 427                 break;
 428         case IEEE80211_FCTL_FROMDS:
 429                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 430                 memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
 431                 break;
 432         case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
 433                 break;
 434         default:
 435                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 436                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 437                 break;
 438         }
 439
 440         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 441         skb_push(skb, sizeof(eth_hdr));
 442
 443         datap = skb->data;
 444
 445         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 446
 447         return 0;
 448 }
 449
 450 /*
 451  * Performs 802.3 to DIX encapsulation for received packets.
 452  * Assumes the entire 802.3 header is contiguous.
 453  */
 454 int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
 455 {
 456         struct ath6kl_llc_snap_hdr *llc_hdr;
 457         struct ethhdr eth_hdr;
 458         u8 *datap;
 459
 460         if (WARN_ON(skb == NULL))
 461                 return -EINVAL;
 462
 463         datap = skb->data;
 464
 465         memcpy(&eth_hdr, datap, sizeof(eth_hdr));
 466
 467         llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
 468         eth_hdr.h_proto = llc_hdr->eth_type;
 469
 470         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 471         datap = skb->data;
 472
 473         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 474
 475         return 0;
 476 }
 477
 478 static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
 479 {
 480         struct tx_complete_msg_v1 *msg_v1;
 481         struct wmi_tx_complete_event *evt;
 482         int index;
 483         u16 size;
 484
 485         evt = (struct wmi_tx_complete_event *) datap;
 486
 487         ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
 488                    evt->num_msg, evt->msg_len, evt->msg_type);
 489
 490         for (index = 0; index < evt->num_msg; index++) {
 491                 size = sizeof(struct wmi_tx_complete_event) +
 492                     (index * sizeof(struct tx_complete_msg_v1));
 493                 msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
 494
 495                 ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
 496                            msg_v1->status, msg_v1->pkt_id,
 497                            msg_v1->rate_idx, msg_v1->ack_failures);
 498         }
 499
 500         return 0;
 501 }
 502
 503 static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
 504                                               int len, struct ath6kl_vif *vif)
 505 {
 506         struct wmi_remain_on_chnl_event *ev;
 507         u32 freq;
 508         u32 dur;
 509         struct ieee80211_channel *chan;
 510         struct ath6kl *ar = wmi->parent_dev;
 511         u32 id;
 512
 513         if (len < sizeof(*ev))
 514                 return -EINVAL;
 515
 516         ev = (struct wmi_remain_on_chnl_event *) datap;
 517         freq = le32_to_cpu(ev->freq);
 518         dur = le32_to_cpu(ev->duration);
 519         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
 520                    freq, dur);
 521         chan = ieee80211_get_channel(ar->wiphy, freq);
 522         if (!chan) {
 523                 ath6kl_dbg(ATH6KL_DBG_WMI,
 524                            "remain_on_chnl: Unknown channel (freq=%u)\n",
 525                            freq);
 526                 return -EINVAL;
 527         }
 528         id = vif->last_roc_id;
 529         cfg80211_ready_on_channel(&vif->wdev, id, chan,
 530                                   dur, GFP_ATOMIC);
 531
 532         return 0;
 533 }
 534
 535 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
 536                                                      u8 *datap, int len,
 537                                                      struct ath6kl_vif *vif)
 538 {
 539         struct wmi_cancel_remain_on_chnl_event *ev;
 540         u32 freq;
 541         u32 dur;
 542         struct ieee80211_channel *chan;
 543         struct ath6kl *ar = wmi->parent_dev;
 544         u32 id;
 545
 546         if (len < sizeof(*ev))
 547                 return -EINVAL;
 548
 549         ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
 550         freq = le32_to_cpu(ev->freq);
 551         dur = le32_to_cpu(ev->duration);
 552         ath6kl_dbg(ATH6KL_DBG_WMI,
 553                    "cancel_remain_on_chnl: freq=%u dur=%u status=%u\n",
 554                    freq, dur, ev->status);
 555         chan = ieee80211_get_channel(ar->wiphy, freq);
 556         if (!chan) {
 557                 ath6kl_dbg(ATH6KL_DBG_WMI,
 558                            "cancel_remain_on_chnl: Unknown channel (freq=%u)\n",
 559                            freq);
 560                 return -EINVAL;
 561         }
 562         if (vif->last_cancel_roc_id &&
 563             vif->last_cancel_roc_id + 1 == vif->last_roc_id)
 564                 id = vif->last_cancel_roc_id; /* event for cancel command */
 565         else
 566                 id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
 567         vif->last_cancel_roc_id = 0;
 568         cfg80211_remain_on_channel_expired(&vif->wdev, id, chan, GFP_ATOMIC);
 569
 570         return 0;
 571 }
 572
 573 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
 574                                          struct ath6kl_vif *vif)
 575 {
 576         struct wmi_tx_status_event *ev;
 577         u32 id;
 578
 579         if (len < sizeof(*ev))
 580                 return -EINVAL;
 581
 582         ev = (struct wmi_tx_status_event *) datap;
 583         id = le32_to_cpu(ev->id);
 584         ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
 585                    id, ev->ack_status);
 586         if (wmi->last_mgmt_tx_frame) {
 587                 cfg80211_mgmt_tx_status(&vif->wdev, id,
 588                                         wmi->last_mgmt_tx_frame,
 589                                         wmi->last_mgmt_tx_frame_len,
 590                                         !!ev->ack_status, GFP_ATOMIC);
 591                 kfree(wmi->last_mgmt_tx_frame);
 592                 wmi->last_mgmt_tx_frame = NULL;
 593                 wmi->last_mgmt_tx_frame_len = 0;
 594         }
 595
 596         return 0;
 597 }
 598
 599 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
 600                                             struct ath6kl_vif *vif)
 601 {
 602         struct wmi_p2p_rx_probe_req_event *ev;
 603         u32 freq;
 604         u16 dlen;
 605
 606         if (len < sizeof(*ev))
 607                 return -EINVAL;
 608
 609         ev = (struct wmi_p2p_rx_probe_req_event *) datap;
 610         freq = le32_to_cpu(ev->freq);
 611         dlen = le16_to_cpu(ev->len);
 612         if (datap + len < ev->data + dlen) {
 613                 ath6kl_err("invalid wmi_p2p_rx_probe_req_event: len=%d dlen=%u\n",
 614                            len, dlen);
 615                 return -EINVAL;
 616         }
 617         ath6kl_dbg(ATH6KL_DBG_WMI,
 618                    "rx_probe_req: len=%u freq=%u probe_req_report=%d\n",
 619                    dlen, freq, vif->probe_req_report);
 620
 621         if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
 622                 cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0);
 623
 624         return 0;
 625 }
 626
 627 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
 628 {
 629         struct wmi_p2p_capabilities_event *ev;
 630         u16 dlen;
 631
 632         if (len < sizeof(*ev))
 633                 return -EINVAL;
 634
 635         ev = (struct wmi_p2p_capabilities_event *) datap;
 636         dlen = le16_to_cpu(ev->len);
 637         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
 638
 639         return 0;
 640 }
 641
 642 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 643                                          struct ath6kl_vif *vif)
 644 {
 645         struct wmi_rx_action_event *ev;
 646         u32 freq;
 647         u16 dlen;
 648
 649         if (len < sizeof(*ev))
 650                 return -EINVAL;
 651
 652         ev = (struct wmi_rx_action_event *) datap;
 653         freq = le32_to_cpu(ev->freq);
 654         dlen = le16_to_cpu(ev->len);
 655         if (datap + len < ev->data + dlen) {
 656                 ath6kl_err("invalid wmi_rx_action_event: len=%d dlen=%u\n",
 657                            len, dlen);
 658                 return -EINVAL;
 659         }
 660         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
 661         cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0);
 662
 663         return 0;
 664 }
 665
 666 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
 667 {
 668         struct wmi_p2p_info_event *ev;
 669         u32 flags;
 670         u16 dlen;
 671
 672         if (len < sizeof(*ev))
 673                 return -EINVAL;
 674
 675         ev = (struct wmi_p2p_info_event *) datap;
 676         flags = le32_to_cpu(ev->info_req_flags);
 677         dlen = le16_to_cpu(ev->len);
 678         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
 679
 680         if (flags & P2P_FLAG_CAPABILITIES_REQ) {
 681                 struct wmi_p2p_capabilities *cap;
 682                 if (dlen < sizeof(*cap))
 683                         return -EINVAL;
 684                 cap = (struct wmi_p2p_capabilities *) ev->data;
 685                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
 686                            cap->go_power_save);
 687         }
 688
 689         if (flags & P2P_FLAG_MACADDR_REQ) {
 690                 struct wmi_p2p_macaddr *mac;
 691                 if (dlen < sizeof(*mac))
 692                         return -EINVAL;
 693                 mac = (struct wmi_p2p_macaddr *) ev->data;
 694                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
 695                            mac->mac_addr);
 696         }
 697
 698         if (flags & P2P_FLAG_HMODEL_REQ) {
 699                 struct wmi_p2p_hmodel *mod;
 700                 if (dlen < sizeof(*mod))
 701                         return -EINVAL;
 702                 mod = (struct wmi_p2p_hmodel *) ev->data;
 703                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
 704                            mod->p2p_model,
 705                            mod->p2p_model ? "host" : "firmware");
 706         }
 707         return 0;
 708 }
 709
 710 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
 711 {
 712         struct sk_buff *skb;
 713
 714         skb = ath6kl_buf_alloc(size);
 715         if (!skb)
 716                 return NULL;
 717
 718         skb_put(skb, size);
 719         if (size)
 720                 memset(skb->data, 0, size);
 721
 722         return skb;
 723 }
 724
 725 /* Send a "simple" wmi command -- one with no arguments */
 726 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
 727                                  enum wmi_cmd_id cmd_id)
 728 {
 729         struct sk_buff *skb;
 730         int ret;
 731
 732         skb = ath6kl_wmi_get_new_buf(0);
 733         if (!skb)
 734                 return -ENOMEM;
 735
 736         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
 737
 738         return ret;
 739 }
 740
 741 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
 742 {
 743         struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
 744
 745         if (len < sizeof(struct wmi_ready_event_2))
 746                 return -EINVAL;
 747
 748         ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
 749                            le32_to_cpu(ev->sw_version),
 750                            le32_to_cpu(ev->abi_version), ev->phy_cap);
 751
 752         return 0;
 753 }
 754
 755 /*
 756  * Mechanism to modify the roaming behavior in the firmware. The lower rssi
 757  * at which the station has to roam can be passed with
 758  * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
 759  * in dBm.
 760  */
 761 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
 762 {
 763         struct sk_buff *skb;
 764         struct roam_ctrl_cmd *cmd;
 765
 766         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 767         if (!skb)
 768                 return -ENOMEM;
 769
 770         cmd = (struct roam_ctrl_cmd *) skb->data;
 771
 772         cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
 773         cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
 774                                                        DEF_SCAN_FOR_ROAM_INTVL);
 775         cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
 776         cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
 777         cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
 778
 779         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, 0);
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         if (ev->traffic_class >= WMM_NUM_AC) {
1182                 ath6kl_err("invalid traffic class: %d\n", ev->traffic_class);
1183                 return -EINVAL;
1184         }
1185
1186         /*
1187          * When the pstream (fat pipe == AC) timesout, it means there were
1188          * no thinStreams within this pstream & it got implicitly created
1189          * due to data flow on this AC. We start the inactivity timer only
1190          * for implicitly created pstream. Just reset the host state.
1191          */
1192         spin_lock_bh(&wmi->lock);
1193         wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1194         wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1195         spin_unlock_bh(&wmi->lock);
1196
1197         /* Indicate inactivity to driver layer for this fatpipe (pstream) */
1198         ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1199
1200         return 0;
1201 }
1202
1203 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1204 {
1205         struct wmi_bit_rate_reply *reply;
1206         s32 rate;
1207         u32 sgi, index;
1208
1209         if (len < sizeof(struct wmi_bit_rate_reply))
1210                 return -EINVAL;
1211
1212         reply = (struct wmi_bit_rate_reply *) datap;
1213
1214         ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1215
1216         if (reply->rate_index == (s8) RATE_AUTO) {
1217                 rate = RATE_AUTO;
1218         } else {
1219                 index = reply->rate_index & 0x7f;
1220                 if (WARN_ON_ONCE(index > (RATE_MCS_7_40 + 1)))
1221                         return -EINVAL;
1222
1223                 sgi = (reply->rate_index & 0x80) ? 1 : 0;
1224                 rate = wmi_rate_tbl[index][sgi];
1225         }
1226
1227         ath6kl_wakeup_event(wmi->parent_dev);
1228
1229         return 0;
1230 }
1231
1232 static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1233 {
1234         ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1235
1236         return 0;
1237 }
1238
1239 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1240 {
1241         if (len < sizeof(struct wmi_fix_rates_reply))
1242                 return -EINVAL;
1243
1244         ath6kl_wakeup_event(wmi->parent_dev);
1245
1246         return 0;
1247 }
1248
1249 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1250 {
1251         if (len < sizeof(struct wmi_channel_list_reply))
1252                 return -EINVAL;
1253
1254         ath6kl_wakeup_event(wmi->parent_dev);
1255
1256         return 0;
1257 }
1258
1259 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1260 {
1261         struct wmi_tx_pwr_reply *reply;
1262
1263         if (len < sizeof(struct wmi_tx_pwr_reply))
1264                 return -EINVAL;
1265
1266         reply = (struct wmi_tx_pwr_reply *) datap;
1267         ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1268
1269         return 0;
1270 }
1271
1272 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1273 {
1274         if (len < sizeof(struct wmi_get_keepalive_cmd))
1275                 return -EINVAL;
1276
1277         ath6kl_wakeup_event(wmi->parent_dev);
1278
1279         return 0;
1280 }
1281
1282 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1283                                        struct ath6kl_vif *vif)
1284 {
1285         struct wmi_scan_complete_event *ev;
1286
1287         ev = (struct wmi_scan_complete_event *) datap;
1288
1289         ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1290         wmi->is_probe_ssid = false;
1291
1292         return 0;
1293 }
1294
1295 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1296                                                int len, struct ath6kl_vif *vif)
1297 {
1298         struct wmi_neighbor_report_event *ev;
1299         u8 i;
1300
1301         if (len < sizeof(*ev))
1302                 return -EINVAL;
1303         ev = (struct wmi_neighbor_report_event *) datap;
1304         if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1305             > len) {
1306                 ath6kl_dbg(ATH6KL_DBG_WMI,
1307                            "truncated neighbor event (num=%d len=%d)\n",
1308                            ev->num_neighbors, len);
1309                 return -EINVAL;
1310         }
1311         for (i = 0; i < ev->num_neighbors; i++) {
1312                 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1313                            i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1314                            ev->neighbor[i].bss_flags);
1315                 cfg80211_pmksa_candidate_notify(vif->ndev, i,
1316                                                 ev->neighbor[i].bssid,
1317                                                 !!(ev->neighbor[i].bss_flags &
1318                                                    WMI_PREAUTH_CAPABLE_BSS),
1319                                                 GFP_ATOMIC);
1320         }
1321
1322         return 0;
1323 }
1324
1325 /*
1326  * Target is reporting a programming error.  This is for
1327  * developer aid only.  Target only checks a few common violations
1328  * and it is responsibility of host to do all error checking.
1329  * Behavior of target after wmi error event is undefined.
1330  * A reset is recommended.
1331  */
1332 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1333 {
1334         const char *type = "unknown error";
1335         struct wmi_cmd_error_event *ev;
1336         ev = (struct wmi_cmd_error_event *) datap;
1337
1338         switch (ev->err_code) {
1339         case INVALID_PARAM:
1340                 type = "invalid parameter";
1341                 break;
1342         case ILLEGAL_STATE:
1343                 type = "invalid state";
1344                 break;
1345         case INTERNAL_ERROR:
1346                 type = "internal error";
1347                 break;
1348         }
1349
1350         ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1351                    ev->cmd_id, type);
1352
1353         return 0;
1354 }
1355
1356 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1357                                      struct ath6kl_vif *vif)
1358 {
1359         ath6kl_tgt_stats_event(vif, datap, len);
1360
1361         return 0;
1362 }
1363
1364 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1365                                          struct sq_threshold_params *sq_thresh,
1366                                          u32 size)
1367 {
1368         u32 index;
1369         u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1370
1371         /* The list is already in sorted order. Get the next lower value */
1372         for (index = 0; index < size; index++) {
1373                 if (rssi < sq_thresh->upper_threshold[index]) {
1374                         threshold = (u8) sq_thresh->upper_threshold[index];
1375                         break;
1376                 }
1377         }
1378
1379         return threshold;
1380 }
1381
1382 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1383                                          struct sq_threshold_params *sq_thresh,
1384                                          u32 size)
1385 {
1386         u32 index;
1387         u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1388
1389         /* The list is already in sorted order. Get the next lower value */
1390         for (index = 0; index < size; index++) {
1391                 if (rssi > sq_thresh->lower_threshold[index]) {
1392                         threshold = (u8) sq_thresh->lower_threshold[index];
1393                         break;
1394                 }
1395         }
1396
1397         return threshold;
1398 }
1399
1400 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1401                         struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1402 {
1403         struct sk_buff *skb;
1404         struct wmi_rssi_threshold_params_cmd *cmd;
1405
1406         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1407         if (!skb)
1408                 return -ENOMEM;
1409
1410         cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1411         memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1412
1413         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1414                                    NO_SYNC_WMIFLAG);
1415 }
1416
1417 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1418                                               int len)
1419 {
1420         struct wmi_rssi_threshold_event *reply;
1421         struct wmi_rssi_threshold_params_cmd cmd;
1422         struct sq_threshold_params *sq_thresh;
1423         enum wmi_rssi_threshold_val new_threshold;
1424         u8 upper_rssi_threshold, lower_rssi_threshold;
1425         s16 rssi;
1426         int ret;
1427
1428         if (len < sizeof(struct wmi_rssi_threshold_event))
1429                 return -EINVAL;
1430
1431         reply = (struct wmi_rssi_threshold_event *) datap;
1432         new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1433         rssi = a_sle16_to_cpu(reply->rssi);
1434
1435         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1436
1437         /*
1438          * Identify the threshold breached and communicate that to the app.
1439          * After that install a new set of thresholds based on the signal
1440          * quality reported by the target
1441          */
1442         if (new_threshold) {
1443                 /* Upper threshold breached */
1444                 if (rssi < sq_thresh->upper_threshold[0]) {
1445                         ath6kl_dbg(ATH6KL_DBG_WMI,
1446                                    "spurious upper rssi threshold event: %d\n",
1447                                    rssi);
1448                 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1449                            (rssi >= sq_thresh->upper_threshold[0])) {
1450                         new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1451                 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1452                            (rssi >= sq_thresh->upper_threshold[1])) {
1453                         new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1454                 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1455                            (rssi >= sq_thresh->upper_threshold[2])) {
1456                         new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1457                 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1458                            (rssi >= sq_thresh->upper_threshold[3])) {
1459                         new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1460                 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1461                            (rssi >= sq_thresh->upper_threshold[4])) {
1462                         new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1463                 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1464                         new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1465                 }
1466         } else {
1467                 /* Lower threshold breached */
1468                 if (rssi > sq_thresh->lower_threshold[0]) {
1469                         ath6kl_dbg(ATH6KL_DBG_WMI,
1470                                    "spurious lower rssi threshold event: %d %d\n",
1471                                 rssi, sq_thresh->lower_threshold[0]);
1472                 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1473                            (rssi <= sq_thresh->lower_threshold[0])) {
1474                         new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1475                 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1476                            (rssi <= sq_thresh->lower_threshold[1])) {
1477                         new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1478                 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1479                            (rssi <= sq_thresh->lower_threshold[2])) {
1480                         new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1481                 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1482                            (rssi <= sq_thresh->lower_threshold[3])) {
1483                         new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1484                 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1485                            (rssi <= sq_thresh->lower_threshold[4])) {
1486                         new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1487                 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1488                         new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1489                 }
1490         }
1491
1492         /* Calculate and install the next set of thresholds */
1493         lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1494                                        sq_thresh->lower_threshold_valid_count);
1495         upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1496                                        sq_thresh->upper_threshold_valid_count);
1497
1498         /* Issue a wmi command to install the thresholds */
1499         cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1500         cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1501         cmd.weight = sq_thresh->weight;
1502         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1503
1504         ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1505         if (ret) {
1506                 ath6kl_err("unable to configure rssi thresholds\n");
1507                 return -EIO;
1508         }
1509
1510         return 0;
1511 }
1512
1513 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1514                                    struct ath6kl_vif *vif)
1515 {
1516         struct wmi_cac_event *reply;
1517         struct ieee80211_tspec_ie *ts;
1518         u16 active_tsids, tsinfo;
1519         u8 tsid, index;
1520         u8 ts_id;
1521
1522         if (len < sizeof(struct wmi_cac_event))
1523                 return -EINVAL;
1524
1525         reply = (struct wmi_cac_event *) datap;
1526         if (reply->ac >= WMM_NUM_AC) {
1527                 ath6kl_err("invalid AC: %d\n", reply->ac);
1528                 return -EINVAL;
1529         }
1530
1531         if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1532             (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1533                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1534                 tsinfo = le16_to_cpu(ts->tsinfo);
1535                 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1536                         IEEE80211_WMM_IE_TSPEC_TID_MASK;
1537
1538                 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1539                                               reply->ac, tsid);
1540         } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1541                 /*
1542                  * Following assumes that there is only one outstanding
1543                  * ADDTS request when this event is received
1544                  */
1545                 spin_lock_bh(&wmi->lock);
1546                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1547                 spin_unlock_bh(&wmi->lock);
1548
1549                 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1550                         if ((active_tsids >> index) & 1)
1551                                 break;
1552                 }
1553                 if (index < (sizeof(active_tsids) * 8))
1554                         ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1555                                                       reply->ac, index);
1556         }
1557
1558         /*
1559          * Clear active tsids and Add missing handling
1560          * for delete qos stream from AP
1561          */
1562         else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1563                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1564                 tsinfo = le16_to_cpu(ts->tsinfo);
1565                 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1566                          IEEE80211_WMM_IE_TSPEC_TID_MASK);
1567
1568                 spin_lock_bh(&wmi->lock);
1569                 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1570                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1571                 spin_unlock_bh(&wmi->lock);
1572
1573                 /* Indicate stream inactivity to driver layer only if all tsids
1574                  * within this AC are deleted.
1575                  */
1576                 if (!active_tsids) {
1577                         ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1578                                                     false);
1579                         wmi->fat_pipe_exist &= ~(1 << reply->ac);
1580                 }
1581         }
1582
1583         return 0;
1584 }
1585
1586 static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,
1587                                           struct ath6kl_vif *vif)
1588 {
1589         struct wmi_txe_notify_event *ev;
1590         u32 rate, pkts;
1591
1592         if (len < sizeof(*ev))
1593                 return -EINVAL;
1594
1595         if (vif->nw_type != INFRA_NETWORK ||
1596             !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY,
1597                       vif->ar->fw_capabilities))
1598                 return -EOPNOTSUPP;
1599
1600         if (vif->sme_state != SME_CONNECTED)
1601                 return -ENOTCONN;
1602
1603         ev = (struct wmi_txe_notify_event *) datap;
1604         rate = le32_to_cpu(ev->rate);
1605         pkts = le32_to_cpu(ev->pkts);
1606
1607         ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d%% pkts %d intvl %ds\n",
1608                    vif->bssid, rate, pkts, vif->txe_intvl);
1609
1610         cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,
1611                                 rate, vif->txe_intvl, GFP_KERNEL);
1612
1613         return 0;
1614 }
1615
1616 int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
1617                               u32 rate, u32 pkts, u32 intvl)
1618 {
1619         struct sk_buff *skb;
1620         struct wmi_txe_notify_cmd *cmd;
1621
1622         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1623         if (!skb)
1624                 return -ENOMEM;
1625
1626         cmd = (struct wmi_txe_notify_cmd *) skb->data;
1627         cmd->rate = cpu_to_le32(rate);
1628         cmd->pkts = cpu_to_le32(pkts);
1629         cmd->intvl = cpu_to_le32(intvl);
1630
1631         return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,
1632                                    NO_SYNC_WMIFLAG);
1633 }
1634
1635 int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
1636 {
1637         struct sk_buff *skb;
1638         struct wmi_set_rssi_filter_cmd *cmd;
1639         int ret;
1640
1641         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1642         if (!skb)
1643                 return -ENOMEM;
1644
1645         cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
1646         cmd->rssi = rssi;
1647
1648         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,
1649                                   NO_SYNC_WMIFLAG);
1650         return ret;
1651 }
1652
1653 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1654                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1655 {
1656         struct sk_buff *skb;
1657         struct wmi_snr_threshold_params_cmd *cmd;
1658
1659         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1660         if (!skb)
1661                 return -ENOMEM;
1662
1663         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1664         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1665
1666         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1667                                    NO_SYNC_WMIFLAG);
1668 }
1669
1670 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1671                                              int len)
1672 {
1673         struct wmi_snr_threshold_event *reply;
1674         struct sq_threshold_params *sq_thresh;
1675         struct wmi_snr_threshold_params_cmd cmd;
1676         enum wmi_snr_threshold_val new_threshold;
1677         u8 upper_snr_threshold, lower_snr_threshold;
1678         s16 snr;
1679         int ret;
1680
1681         if (len < sizeof(struct wmi_snr_threshold_event))
1682                 return -EINVAL;
1683
1684         reply = (struct wmi_snr_threshold_event *) datap;
1685
1686         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1687         snr = reply->snr;
1688
1689         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1690
1691         /*
1692          * Identify the threshold breached and communicate that to the app.
1693          * After that install a new set of thresholds based on the signal
1694          * quality reported by the target.
1695          */
1696         if (new_threshold) {
1697                 /* Upper threshold breached */
1698                 if (snr < sq_thresh->upper_threshold[0]) {
1699                         ath6kl_dbg(ATH6KL_DBG_WMI,
1700                                    "spurious upper snr threshold event: %d\n",
1701                                    snr);
1702                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1703                            (snr >= sq_thresh->upper_threshold[0])) {
1704                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1705                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1706                            (snr >= sq_thresh->upper_threshold[1])) {
1707                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1708                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1709                            (snr >= sq_thresh->upper_threshold[2])) {
1710                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1711                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1712                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1713                 }
1714         } else {
1715                 /* Lower threshold breached */
1716                 if (snr > sq_thresh->lower_threshold[0]) {
1717                         ath6kl_dbg(ATH6KL_DBG_WMI,
1718                                    "spurious lower snr threshold event: %d\n",
1719                                    sq_thresh->lower_threshold[0]);
1720                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1721                            (snr <= sq_thresh->lower_threshold[0])) {
1722                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1723                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1724                            (snr <= sq_thresh->lower_threshold[1])) {
1725                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1726                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1727                            (snr <= sq_thresh->lower_threshold[2])) {
1728                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1729                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1730                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1731                 }
1732         }
1733
1734         /* Calculate and install the next set of thresholds */
1735         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1736                                        sq_thresh->lower_threshold_valid_count);
1737         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1738                                        sq_thresh->upper_threshold_valid_count);
1739
1740         /* Issue a wmi command to install the thresholds */
1741         cmd.thresh_above1_val = upper_snr_threshold;
1742         cmd.thresh_below1_val = lower_snr_threshold;
1743         cmd.weight = sq_thresh->weight;
1744         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1745
1746         ath6kl_dbg(ATH6KL_DBG_WMI,
1747                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1748                    snr, new_threshold,
1749                    lower_snr_threshold, upper_snr_threshold);
1750
1751         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1752         if (ret) {
1753                 ath6kl_err("unable to configure snr threshold\n");
1754                 return -EIO;
1755         }
1756
1757         return 0;
1758 }
1759
1760 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1761 {
1762         u16 ap_info_entry_size;
1763         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1764         struct wmi_ap_info_v1 *ap_info_v1;
1765         u8 index;
1766
1767         if (len < sizeof(struct wmi_aplist_event) ||
1768             ev->ap_list_ver != APLIST_VER1)
1769                 return -EINVAL;
1770
1771         ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1772         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1773
1774         ath6kl_dbg(ATH6KL_DBG_WMI,
1775                    "number of APs in aplist event: %d\n", ev->num_ap);
1776
1777         if (len < (int) (sizeof(struct wmi_aplist_event) +
1778                          (ev->num_ap - 1) * ap_info_entry_size))
1779                 return -EINVAL;
1780
1781         /* AP list version 1 contents */
1782         for (index = 0; index < ev->num_ap; index++) {
1783                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1784                            index, ap_info_v1->bssid, ap_info_v1->channel);
1785                 ap_info_v1++;
1786         }
1787
1788         return 0;
1789 }
1790
1791 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1792                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1793 {
1794         struct wmi_cmd_hdr *cmd_hdr;
1795         enum htc_endpoint_id ep_id = wmi->ep_id;
1796         int ret;
1797         u16 info1;
1798
1799         if (WARN_ON(skb == NULL ||
1800                     (if_idx > (wmi->parent_dev->vif_max - 1)))) {
1801                 dev_kfree_skb(skb);
1802                 return -EINVAL;
1803         }
1804
1805         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1806                    cmd_id, skb->len, sync_flag);
1807         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1808                         skb->data, skb->len);
1809
1810         if (sync_flag >= END_WMIFLAG) {
1811                 dev_kfree_skb(skb);
1812                 return -EINVAL;
1813         }
1814
1815         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1816             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1817                 /*
1818                  * Make sure all data currently queued is transmitted before
1819                  * the cmd execution.  Establish a new sync point.
1820                  */
1821                 ath6kl_wmi_sync_point(wmi, if_idx);
1822         }
1823
1824         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1825
1826         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1827         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1828         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1829         cmd_hdr->info1 = cpu_to_le16(info1);
1830
1831         /* Only for OPT_TX_CMD, use BE endpoint. */
1832         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1833                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1834                                               false, false, 0, NULL, if_idx);
1835                 if (ret) {
1836                         dev_kfree_skb(skb);
1837                         return ret;
1838                 }
1839                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1840         }
1841
1842         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1843
1844         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1845             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1846                 /*
1847                  * Make sure all new data queued waits for the command to
1848                  * execute. Establish a new sync point.
1849                  */
1850                 ath6kl_wmi_sync_point(wmi, if_idx);
1851         }
1852
1853         return 0;
1854 }
1855
1856 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1857                            enum network_type nw_type,
1858                            enum dot11_auth_mode dot11_auth_mode,
1859                            enum auth_mode auth_mode,
1860                            enum crypto_type pairwise_crypto,
1861                            u8 pairwise_crypto_len,
1862                            enum crypto_type group_crypto,
1863                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1864                            u8 *bssid, u16 channel, u32 ctrl_flags,
1865                            u8 nw_subtype)
1866 {
1867         struct sk_buff *skb;
1868         struct wmi_connect_cmd *cc;
1869         int ret;
1870
1871         ath6kl_dbg(ATH6KL_DBG_WMI,
1872                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1873                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1874                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1875                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1876         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1877
1878         wmi->traffic_class = 100;
1879
1880         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1881                 return -EINVAL;
1882
1883         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1884                 return -EINVAL;
1885
1886         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1887         if (!skb)
1888                 return -ENOMEM;
1889
1890         cc = (struct wmi_connect_cmd *) skb->data;
1891
1892         if (ssid_len)
1893                 memcpy(cc->ssid, ssid, ssid_len);
1894
1895         cc->ssid_len = ssid_len;
1896         cc->nw_type = nw_type;
1897         cc->dot11_auth_mode = dot11_auth_mode;
1898         cc->auth_mode = auth_mode;
1899         cc->prwise_crypto_type = pairwise_crypto;
1900         cc->prwise_crypto_len = pairwise_crypto_len;
1901         cc->grp_crypto_type = group_crypto;
1902         cc->grp_crypto_len = group_crypto_len;
1903         cc->ch = cpu_to_le16(channel);
1904         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1905         cc->nw_subtype = nw_subtype;
1906
1907         if (bssid != NULL)
1908                 memcpy(cc->bssid, bssid, ETH_ALEN);
1909
1910         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1911                                   NO_SYNC_WMIFLAG);
1912
1913         return ret;
1914 }
1915
1916 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1917                              u16 channel)
1918 {
1919         struct sk_buff *skb;
1920         struct wmi_reconnect_cmd *cc;
1921         int ret;
1922
1923         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1924                    bssid, channel);
1925
1926         wmi->traffic_class = 100;
1927
1928         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1929         if (!skb)
1930                 return -ENOMEM;
1931
1932         cc = (struct wmi_reconnect_cmd *) skb->data;
1933         cc->channel = cpu_to_le16(channel);
1934
1935         if (bssid != NULL)
1936                 memcpy(cc->bssid, bssid, ETH_ALEN);
1937
1938         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1939                                   NO_SYNC_WMIFLAG);
1940
1941         return ret;
1942 }
1943
1944 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1945 {
1946         int ret;
1947
1948         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1949
1950         wmi->traffic_class = 100;
1951
1952         /* Disconnect command does not need to do a SYNC before. */
1953         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1954
1955         return ret;
1956 }
1957
1958 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1959  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1960  * mgmt operations using station interface.
1961  */
1962 static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1963                                     enum wmi_scan_type scan_type,
1964                                     u32 force_fgscan, u32 is_legacy,
1965                                     u32 home_dwell_time,
1966                                     u32 force_scan_interval,
1967                                     s8 num_chan, u16 *ch_list)
1968 {
1969         struct sk_buff *skb;
1970         struct wmi_start_scan_cmd *sc;
1971         s8 size;
1972         int i, ret;
1973
1974         size = sizeof(struct wmi_start_scan_cmd);
1975
1976         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1977                 return -EINVAL;
1978
1979         if (num_chan > WMI_MAX_CHANNELS)
1980                 return -EINVAL;
1981
1982         if (num_chan)
1983                 size += sizeof(u16) * (num_chan - 1);
1984
1985         skb = ath6kl_wmi_get_new_buf(size);
1986         if (!skb)
1987                 return -ENOMEM;
1988
1989         sc = (struct wmi_start_scan_cmd *) skb->data;
1990         sc->scan_type = scan_type;
1991         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1992         sc->is_legacy = cpu_to_le32(is_legacy);
1993         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1994         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1995         sc->num_ch = num_chan;
1996
1997         for (i = 0; i < num_chan; i++)
1998                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1999
2000         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
2001                                   NO_SYNC_WMIFLAG);
2002
2003         return ret;
2004 }
2005
2006 /*
2007  * beginscan supports (compared to old startscan) P2P mgmt operations using
2008  * station interface, send additional information like supported rates to
2009  * advertise and xmit rates for probe requests
2010  */
2011 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
2012                              enum wmi_scan_type scan_type,
2013                              u32 force_fgscan, u32 is_legacy,
2014                              u32 home_dwell_time, u32 force_scan_interval,
2015                              s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
2016 {
2017         struct ieee80211_supported_band *sband;
2018         struct sk_buff *skb;
2019         struct wmi_begin_scan_cmd *sc;
2020         s8 size, *supp_rates;
2021         int i, band, ret;
2022         struct ath6kl *ar = wmi->parent_dev;
2023         int num_rates;
2024         u32 ratemask;
2025
2026         if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
2027                       ar->fw_capabilities)) {
2028                 return ath6kl_wmi_startscan_cmd(wmi, if_idx,
2029                                                 scan_type, force_fgscan,
2030                                                 is_legacy, home_dwell_time,
2031                                                 force_scan_interval,
2032                                                 num_chan, ch_list);
2033         }
2034
2035         size = sizeof(struct wmi_begin_scan_cmd);
2036
2037         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
2038                 return -EINVAL;
2039
2040         if (num_chan > WMI_MAX_CHANNELS)
2041                 return -EINVAL;
2042
2043         if (num_chan)
2044                 size += sizeof(u16) * (num_chan - 1);
2045
2046         skb = ath6kl_wmi_get_new_buf(size);
2047         if (!skb)
2048                 return -ENOMEM;
2049
2050         sc = (struct wmi_begin_scan_cmd *) skb->data;
2051         sc->scan_type = scan_type;
2052         sc->force_fg_scan = cpu_to_le32(force_fgscan);
2053         sc->is_legacy = cpu_to_le32(is_legacy);
2054         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
2055         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
2056         sc->no_cck = cpu_to_le32(no_cck);
2057         sc->num_ch = num_chan;
2058
2059         for (band = 0; band < NUM_NL80211_BANDS; band++) {
2060                 sband = ar->wiphy->bands[band];
2061
2062                 if (!sband)
2063                         continue;
2064
2065                 if (WARN_ON(band >= ATH6KL_NUM_BANDS))
2066                         break;
2067
2068                 ratemask = rates[band];
2069                 supp_rates = sc->supp_rates[band].rates;
2070                 num_rates = 0;
2071
2072                 for (i = 0; i < sband->n_bitrates; i++) {
2073                         if ((BIT(i) & ratemask) == 0)
2074                                 continue; /* skip rate */
2075                         supp_rates[num_rates++] =
2076                             (u8) (sband->bitrates[i].bitrate / 5);
2077                 }
2078                 sc->supp_rates[band].nrates = num_rates;
2079         }
2080
2081         for (i = 0; i < num_chan; i++)
2082                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2083
2084         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
2085                                   NO_SYNC_WMIFLAG);
2086
2087         return ret;
2088 }
2089
2090 int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2091 {
2092         struct sk_buff *skb;
2093         struct wmi_enable_sched_scan_cmd *sc;
2094         int ret;
2095
2096         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2097         if (!skb)
2098                 return -ENOMEM;
2099
2100         ath6kl_dbg(ATH6KL_DBG_WMI, "%s scheduled scan on vif %d\n",
2101                    enable ? "enabling" : "disabling", if_idx);
2102         sc = (struct wmi_enable_sched_scan_cmd *) skb->data;
2103         sc->enable = enable ? 1 : 0;
2104
2105         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2106                                   WMI_ENABLE_SCHED_SCAN_CMDID,
2107                                   NO_SYNC_WMIFLAG);
2108         return ret;
2109 }
2110
2111 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
2112                               u16 fg_start_sec,
2113                               u16 fg_end_sec, u16 bg_sec,
2114                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
2115                               u16 pas_chdw_msec, u8 short_scan_ratio,
2116                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
2117                               u16 maxact_scan_per_ssid)
2118 {
2119         struct sk_buff *skb;
2120         struct wmi_scan_params_cmd *sc;
2121         int ret;
2122
2123         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2124         if (!skb)
2125                 return -ENOMEM;
2126
2127         sc = (struct wmi_scan_params_cmd *) skb->data;
2128         sc->fg_start_period = cpu_to_le16(fg_start_sec);
2129         sc->fg_end_period = cpu_to_le16(fg_end_sec);
2130         sc->bg_period = cpu_to_le16(bg_sec);
2131         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
2132         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
2133         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
2134         sc->short_scan_ratio = short_scan_ratio;
2135         sc->scan_ctrl_flags = scan_ctrl_flag;
2136         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
2137         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
2138
2139         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
2140                                   NO_SYNC_WMIFLAG);
2141         return ret;
2142 }
2143
2144 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
2145 {
2146         struct sk_buff *skb;
2147         struct wmi_bss_filter_cmd *cmd;
2148         int ret;
2149
2150         if (filter >= LAST_BSS_FILTER)
2151                 return -EINVAL;
2152
2153         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2154         if (!skb)
2155                 return -ENOMEM;
2156
2157         cmd = (struct wmi_bss_filter_cmd *) skb->data;
2158         cmd->bss_filter = filter;
2159         cmd->ie_mask = cpu_to_le32(ie_mask);
2160
2161         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
2162                                   NO_SYNC_WMIFLAG);
2163         return ret;
2164 }
2165
2166 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2167                               u8 ssid_len, u8 *ssid)
2168 {
2169         struct sk_buff *skb;
2170         struct wmi_probed_ssid_cmd *cmd;
2171         int ret;
2172
2173         if (index >= MAX_PROBED_SSIDS)
2174                 return -EINVAL;
2175
2176         if (ssid_len > sizeof(cmd->ssid))
2177                 return -EINVAL;
2178
2179         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2180                 return -EINVAL;
2181
2182         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2183                 return -EINVAL;
2184
2185         if (flag & SPECIFIC_SSID_FLAG)
2186                 wmi->is_probe_ssid = true;
2187
2188         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2189         if (!skb)
2190                 return -ENOMEM;
2191
2192         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2193         cmd->entry_index = index;
2194         cmd->flag = flag;
2195         cmd->ssid_len = ssid_len;
2196         memcpy(cmd->ssid, ssid, ssid_len);
2197
2198         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2199                                   NO_SYNC_WMIFLAG);
2200         return ret;
2201 }
2202
2203 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2204                                   u16 listen_interval,
2205                                   u16 listen_beacons)
2206 {
2207         struct sk_buff *skb;
2208         struct wmi_listen_int_cmd *cmd;
2209         int ret;
2210
2211         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2212         if (!skb)
2213                 return -ENOMEM;
2214
2215         cmd = (struct wmi_listen_int_cmd *) skb->data;
2216         cmd->listen_intvl = cpu_to_le16(listen_interval);
2217         cmd->num_beacons = cpu_to_le16(listen_beacons);
2218
2219         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2220                                   NO_SYNC_WMIFLAG);
2221         return ret;
2222 }
2223
2224 int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2225                              u16 bmiss_time, u16 num_beacons)
2226 {
2227         struct sk_buff *skb;
2228         struct wmi_bmiss_time_cmd *cmd;
2229         int ret;
2230
2231         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2232         if (!skb)
2233                 return -ENOMEM;
2234
2235         cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2236         cmd->bmiss_time = cpu_to_le16(bmiss_time);
2237         cmd->num_beacons = cpu_to_le16(num_beacons);
2238
2239         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2240                                   NO_SYNC_WMIFLAG);
2241         return ret;
2242 }
2243
2244 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2245 {
2246         struct sk_buff *skb;
2247         struct wmi_power_mode_cmd *cmd;
2248         int ret;
2249
2250         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2251         if (!skb)
2252                 return -ENOMEM;
2253
2254         cmd = (struct wmi_power_mode_cmd *) skb->data;
2255         cmd->pwr_mode = pwr_mode;
2256         wmi->pwr_mode = pwr_mode;
2257
2258         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2259                                   NO_SYNC_WMIFLAG);
2260         return ret;
2261 }
2262
2263 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2264                             u16 ps_poll_num, u16 dtim_policy,
2265                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2266                             u16 ps_fail_event_policy)
2267 {
2268         struct sk_buff *skb;
2269         struct wmi_power_params_cmd *pm;
2270         int ret;
2271
2272         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2273         if (!skb)
2274                 return -ENOMEM;
2275
2276         pm = (struct wmi_power_params_cmd *)skb->data;
2277         pm->idle_period = cpu_to_le16(idle_period);
2278         pm->pspoll_number = cpu_to_le16(ps_poll_num);
2279         pm->dtim_policy = cpu_to_le16(dtim_policy);
2280         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2281         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2282         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2283
2284         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2285                                   NO_SYNC_WMIFLAG);
2286         return ret;
2287 }
2288
2289 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2290 {
2291         struct sk_buff *skb;
2292         struct wmi_disc_timeout_cmd *cmd;
2293         int ret;
2294
2295         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2296         if (!skb)
2297                 return -ENOMEM;
2298
2299         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2300         cmd->discon_timeout = timeout;
2301
2302         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2303                                   NO_SYNC_WMIFLAG);
2304
2305         if (ret == 0)
2306                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2307
2308         return ret;
2309 }
2310
2311 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2312                           enum crypto_type key_type,
2313                           u8 key_usage, u8 key_len,
2314                           u8 *key_rsc, unsigned int key_rsc_len,
2315                           u8 *key_material,
2316                           u8 key_op_ctrl, u8 *mac_addr,
2317                           enum wmi_sync_flag sync_flag)
2318 {
2319         struct sk_buff *skb;
2320         struct wmi_add_cipher_key_cmd *cmd;
2321         int ret;
2322
2323         ath6kl_dbg(ATH6KL_DBG_WMI,
2324                    "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2325                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2326
2327         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2328             (key_material == NULL) || key_rsc_len > 8)
2329                 return -EINVAL;
2330
2331         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2332                 return -EINVAL;
2333
2334         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2335         if (!skb)
2336                 return -ENOMEM;
2337
2338         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2339         cmd->key_index = key_index;
2340         cmd->key_type = key_type;
2341         cmd->key_usage = key_usage;
2342         cmd->key_len = key_len;
2343         memcpy(cmd->key, key_material, key_len);
2344
2345         if (key_rsc != NULL)
2346                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2347
2348         cmd->key_op_ctrl = key_op_ctrl;
2349
2350         if (mac_addr)
2351                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2352
2353         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2354                                   sync_flag);
2355
2356         return ret;
2357 }
2358
2359 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, const u8 *krk)
2360 {
2361         struct sk_buff *skb;
2362         struct wmi_add_krk_cmd *cmd;
2363         int ret;
2364
2365         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2366         if (!skb)
2367                 return -ENOMEM;
2368
2369         cmd = (struct wmi_add_krk_cmd *) skb->data;
2370         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2371
2372         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2373                                   NO_SYNC_WMIFLAG);
2374
2375         return ret;
2376 }
2377
2378 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2379 {
2380         struct sk_buff *skb;
2381         struct wmi_delete_cipher_key_cmd *cmd;
2382         int ret;
2383
2384         if (key_index > WMI_MAX_KEY_INDEX)
2385                 return -EINVAL;
2386
2387         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2388         if (!skb)
2389                 return -ENOMEM;
2390
2391         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2392         cmd->key_index = key_index;
2393
2394         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2395                                   NO_SYNC_WMIFLAG);
2396
2397         return ret;
2398 }
2399
2400 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2401                             const u8 *pmkid, bool set)
2402 {
2403         struct sk_buff *skb;
2404         struct wmi_setpmkid_cmd *cmd;
2405         int ret;
2406
2407         if (bssid == NULL)
2408                 return -EINVAL;
2409
2410         if (set && pmkid == NULL)
2411                 return -EINVAL;
2412
2413         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2414         if (!skb)
2415                 return -ENOMEM;
2416
2417         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2418         memcpy(cmd->bssid, bssid, ETH_ALEN);
2419         if (set) {
2420                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2421                 cmd->enable = PMKID_ENABLE;
2422         } else {
2423                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2424                 cmd->enable = PMKID_DISABLE;
2425         }
2426
2427         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2428                                   NO_SYNC_WMIFLAG);
2429
2430         return ret;
2431 }
2432
2433 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2434                               enum htc_endpoint_id ep_id, u8 if_idx)
2435 {
2436         struct wmi_data_hdr *data_hdr;
2437         int ret;
2438
2439         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {
2440                 dev_kfree_skb(skb);
2441                 return -EINVAL;
2442         }
2443
2444         skb_push(skb, sizeof(struct wmi_data_hdr));
2445
2446         data_hdr = (struct wmi_data_hdr *) skb->data;
2447         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2448         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2449
2450         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2451
2452         return ret;
2453 }
2454
2455 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2456 {
2457         struct sk_buff *skb;
2458         struct wmi_sync_cmd *cmd;
2459         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2460         enum htc_endpoint_id ep_id;
2461         u8 index, num_pri_streams = 0;
2462         int ret = 0;
2463
2464         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2465
2466         spin_lock_bh(&wmi->lock);
2467
2468         for (index = 0; index < WMM_NUM_AC; index++) {
2469                 if (wmi->fat_pipe_exist & (1 << index)) {
2470                         num_pri_streams++;
2471                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2472                             index;
2473                 }
2474         }
2475
2476         spin_unlock_bh(&wmi->lock);
2477
2478         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2479         if (!skb)
2480                 return -ENOMEM;
2481
2482         cmd = (struct wmi_sync_cmd *) skb->data;
2483
2484         /*
2485          * In the SYNC cmd sent on the control Ep, send a bitmap
2486          * of the data eps on which the Data Sync will be sent
2487          */
2488         cmd->data_sync_map = wmi->fat_pipe_exist;
2489
2490         for (index = 0; index < num_pri_streams; index++) {
2491                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2492                 if (data_sync_bufs[index].skb == NULL) {
2493                         ret = -ENOMEM;
2494                         break;
2495                 }
2496         }
2497
2498         /*
2499          * If buffer allocation for any of the dataSync fails,
2500          * then do not send the Synchronize cmd on the control ep
2501          */
2502         if (ret)
2503                 goto free_cmd_skb;
2504
2505         /*
2506          * Send sync cmd followed by sync data messages on all
2507          * endpoints being used
2508          */
2509         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2510                                   NO_SYNC_WMIFLAG);
2511
2512         if (ret)
2513                 goto free_data_skb;
2514
2515         for (index = 0; index < num_pri_streams; index++) {
2516                 if (WARN_ON(!data_sync_bufs[index].skb)) {
2517                         ret = -ENOMEM;
2518                         goto free_data_skb;
2519                 }
2520
2521                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2522                                                data_sync_bufs[index].
2523                                                traffic_class);
2524                 ret =
2525                     ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2526                                               ep_id, if_idx);
2527
2528                 data_sync_bufs[index].skb = NULL;
2529
2530                 if (ret)
2531                         goto free_data_skb;
2532         }
2533
2534         return 0;
2535
2536 free_cmd_skb:
2537         /* free up any resources left over (possibly due to an error) */
2538         dev_kfree_skb(skb);
2539
2540 free_data_skb:
2541         for (index = 0; index < num_pri_streams; index++)
2542                 dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].skb);
2543
2544         return ret;
2545 }
2546
2547 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2548                                   struct wmi_create_pstream_cmd *params)
2549 {
2550         struct sk_buff *skb;
2551         struct wmi_create_pstream_cmd *cmd;
2552         u8 fatpipe_exist_for_ac = 0;
2553         s32 min_phy = 0;
2554         s32 nominal_phy = 0;
2555         int ret;
2556
2557         if (!((params->user_pri <= 0x7) &&
2558               (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2559               (params->traffic_direc == UPLINK_TRAFFIC ||
2560                params->traffic_direc == DNLINK_TRAFFIC ||
2561                params->traffic_direc == BIDIR_TRAFFIC) &&
2562               (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2563                params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2564               (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2565                params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2566                params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2567               (params->tsid == WMI_IMPLICIT_PSTREAM ||
2568                params->tsid <= WMI_MAX_THINSTREAM))) {
2569                 return -EINVAL;
2570         }
2571
2572         /*
2573          * Check nominal PHY rate is >= minimalPHY,
2574          * so that DUT can allow TSRS IE
2575          */
2576
2577         /* Get the physical rate (units of bps) */
2578         min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2579
2580         /* Check minimal phy < nominal phy rate */
2581         if (params->nominal_phy >= min_phy) {
2582                 /* unit of 500 kbps */
2583                 nominal_phy = (params->nominal_phy * 1000) / 500;
2584                 ath6kl_dbg(ATH6KL_DBG_WMI,
2585                            "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2586                            min_phy, nominal_phy);
2587
2588                 params->nominal_phy = nominal_phy;
2589         } else {
2590                 params->nominal_phy = 0;
2591         }
2592
2593         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2594         if (!skb)
2595                 return -ENOMEM;
2596
2597         ath6kl_dbg(ATH6KL_DBG_WMI,
2598                    "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2599                    params->traffic_class, params->tsid);
2600
2601         cmd = (struct wmi_create_pstream_cmd *) skb->data;
2602         memcpy(cmd, params, sizeof(*cmd));
2603
2604         /* This is an implicitly created Fat pipe */
2605         if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2606                 spin_lock_bh(&wmi->lock);
2607                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2608                                         (1 << params->traffic_class));
2609                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2610                 spin_unlock_bh(&wmi->lock);
2611         } else {
2612                 /* explicitly created thin stream within a fat pipe */
2613                 spin_lock_bh(&wmi->lock);
2614                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2615                                         (1 << params->traffic_class));
2616                 wmi->stream_exist_for_ac[params->traffic_class] |=
2617                     (1 << params->tsid);
2618                 /*
2619                  * If a thinstream becomes active, the fat pipe automatically
2620                  * becomes active
2621                  */
2622                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2623                 spin_unlock_bh(&wmi->lock);
2624         }
2625
2626         /*
2627          * Indicate activty change to driver layer only if this is the
2628          * first TSID to get created in this AC explicitly or an implicit
2629          * fat pipe is getting created.
2630          */
2631         if (!fatpipe_exist_for_ac)
2632                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2633                                             params->traffic_class, true);
2634
2635         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2636                                   NO_SYNC_WMIFLAG);
2637         return ret;
2638 }
2639
2640 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2641                                   u8 tsid)
2642 {
2643         struct sk_buff *skb;
2644         struct wmi_delete_pstream_cmd *cmd;
2645         u16 active_tsids = 0;
2646         int ret;
2647
2648         if (traffic_class >= WMM_NUM_AC) {
2649                 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2650                 return -EINVAL;
2651         }
2652
2653         if (tsid >= 16) {
2654                 ath6kl_err("invalid tsid: %d\n", tsid);
2655                 return -EINVAL;
2656         }
2657
2658         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2659         if (!skb)
2660                 return -ENOMEM;
2661
2662         cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2663         cmd->traffic_class = traffic_class;
2664         cmd->tsid = tsid;
2665
2666         spin_lock_bh(&wmi->lock);
2667         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2668         spin_unlock_bh(&wmi->lock);
2669
2670         if (!(active_tsids & (1 << tsid))) {
2671                 dev_kfree_skb(skb);
2672                 ath6kl_dbg(ATH6KL_DBG_WMI,
2673                            "TSID %d doesn't exist for traffic class: %d\n",
2674                            tsid, traffic_class);
2675                 return -ENODATA;
2676         }
2677
2678         ath6kl_dbg(ATH6KL_DBG_WMI,
2679                    "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2680                    traffic_class, tsid);
2681
2682         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2683                                   SYNC_BEFORE_WMIFLAG);
2684
2685         spin_lock_bh(&wmi->lock);
2686         wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2687         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2688         spin_unlock_bh(&wmi->lock);
2689
2690         /*
2691          * Indicate stream inactivity to driver layer only if all tsids
2692          * within this AC are deleted.
2693          */
2694         if (!active_tsids) {
2695                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2696                                             traffic_class, false);
2697                 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2698         }
2699
2700         return ret;
2701 }
2702
2703 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2704                           __be32 ips0, __be32 ips1)
2705 {
2706         struct sk_buff *skb;
2707         struct wmi_set_ip_cmd *cmd;
2708         int ret;
2709
2710         /* Multicast address are not valid */
2711         if (ipv4_is_multicast(ips0) ||
2712             ipv4_is_multicast(ips1))
2713                 return -EINVAL;
2714
2715         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2716         if (!skb)
2717                 return -ENOMEM;
2718
2719         cmd = (struct wmi_set_ip_cmd *) skb->data;
2720         cmd->ips[0] = ips0;
2721         cmd->ips[1] = ips1;
2722
2723         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2724                                   NO_SYNC_WMIFLAG);
2725         return ret;
2726 }
2727
2728 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2729 {
2730         u16 active_tsids;
2731         u8 stream_exist;
2732         int i;
2733
2734         /*
2735          * Relinquish credits from all implicitly created pstreams
2736          * since when we go to sleep. If user created explicit
2737          * thinstreams exists with in a fatpipe leave them intact
2738          * for the user to delete.
2739          */
2740         spin_lock_bh(&wmi->lock);
2741         stream_exist = wmi->fat_pipe_exist;
2742         spin_unlock_bh(&wmi->lock);
2743
2744         for (i = 0; i < WMM_NUM_AC; i++) {
2745                 if (stream_exist & (1 << i)) {
2746                         /*
2747                          * FIXME: Is this lock & unlock inside
2748                          * for loop correct? may need rework.
2749                          */
2750                         spin_lock_bh(&wmi->lock);
2751                         active_tsids = wmi->stream_exist_for_ac[i];
2752                         spin_unlock_bh(&wmi->lock);
2753
2754                         /*
2755                          * If there are no user created thin streams
2756                          * delete the fatpipe
2757                          */
2758                         if (!active_tsids) {
2759                                 stream_exist &= ~(1 << i);
2760                                 /*
2761                                  * Indicate inactivity to driver layer for
2762                                  * this fatpipe (pstream)
2763                                  */
2764                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2765                                                             i, false);
2766                         }
2767                 }
2768         }
2769
2770         /* FIXME: Can we do this assignment without locking ? */
2771         spin_lock_bh(&wmi->lock);
2772         wmi->fat_pipe_exist = stream_exist;
2773         spin_unlock_bh(&wmi->lock);
2774 }
2775
2776 static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2777                                      const struct cfg80211_bitrate_mask *mask)
2778 {
2779         struct sk_buff *skb;
2780         int ret, mode, band;
2781         u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2782         struct wmi_set_tx_select_rates64_cmd *cmd;
2783
2784         memset(&ratemask, 0, sizeof(ratemask));
2785
2786         /* only check 2.4 and 5 GHz bands, skip the rest */
2787         for (band = 0; band <= NL80211_BAND_5GHZ; band++) {
2788                 /* copy legacy rate mask */
2789                 ratemask[band] = mask->control[band].legacy;
2790                 if (band == NL80211_BAND_5GHZ)
2791                         ratemask[band] =
2792                                 mask->control[band].legacy << 4;
2793
2794                 /* copy mcs rate mask */
2795                 mcsrate = mask->control[band].ht_mcs[1];
2796                 mcsrate <<= 8;
2797                 mcsrate |= mask->control[band].ht_mcs[0];
2798                 ratemask[band] |= mcsrate << 12;
2799                 ratemask[band] |= mcsrate << 28;
2800         }
2801
2802         ath6kl_dbg(ATH6KL_DBG_WMI,
2803                    "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2804                    ratemask[0], ratemask[1]);
2805
2806         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2807         if (!skb)
2808                 return -ENOMEM;
2809
2810         cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2811         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2812                 /* A mode operate in 5GHZ band */
2813                 if (mode == WMI_RATES_MODE_11A ||
2814                     mode == WMI_RATES_MODE_11A_HT20 ||
2815                     mode == WMI_RATES_MODE_11A_HT40)
2816                         band = NL80211_BAND_5GHZ;
2817                 else
2818                         band = NL80211_BAND_2GHZ;
2819                 cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2820         }
2821
2822         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2823                                   WMI_SET_TX_SELECT_RATES_CMDID,
2824                                   NO_SYNC_WMIFLAG);
2825         return ret;
2826 }
2827
2828 static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2829                                      const struct cfg80211_bitrate_mask *mask)
2830 {
2831         struct sk_buff *skb;
2832         int ret, mode, band;
2833         u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2834         struct wmi_set_tx_select_rates32_cmd *cmd;
2835
2836         memset(&ratemask, 0, sizeof(ratemask));
2837
2838         /* only check 2.4 and 5 GHz bands, skip the rest */
2839         for (band = 0; band <= NL80211_BAND_5GHZ; band++) {
2840                 /* copy legacy rate mask */
2841                 ratemask[band] = mask->control[band].legacy;
2842                 if (band == NL80211_BAND_5GHZ)
2843                         ratemask[band] =
2844                                 mask->control[band].legacy << 4;
2845
2846                 /* copy mcs rate mask */
2847                 mcsrate = mask->control[band].ht_mcs[0];
2848                 ratemask[band] |= mcsrate << 12;
2849                 ratemask[band] |= mcsrate << 20;
2850         }
2851
2852         ath6kl_dbg(ATH6KL_DBG_WMI,
2853                    "Ratemask 32 bit: 2.4:%x 5:%x\n",
2854                    ratemask[0], ratemask[1]);
2855
2856         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2857         if (!skb)
2858                 return -ENOMEM;
2859
2860         cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2861         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2862                 /* A mode operate in 5GHZ band */
2863                 if (mode == WMI_RATES_MODE_11A ||
2864                     mode == WMI_RATES_MODE_11A_HT20 ||
2865                     mode == WMI_RATES_MODE_11A_HT40)
2866                         band = NL80211_BAND_5GHZ;
2867                 else
2868                         band = NL80211_BAND_2GHZ;
2869                 cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2870         }
2871
2872         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2873                                   WMI_SET_TX_SELECT_RATES_CMDID,
2874                                   NO_SYNC_WMIFLAG);
2875         return ret;
2876 }
2877
2878 int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2879                                 const struct cfg80211_bitrate_mask *mask)
2880 {
2881         struct ath6kl *ar = wmi->parent_dev;
2882
2883         if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
2884                      ar->fw_capabilities))
2885                 return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
2886         else
2887                 return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
2888 }
2889
2890 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2891                                        enum ath6kl_host_mode host_mode)
2892 {
2893         struct sk_buff *skb;
2894         struct wmi_set_host_sleep_mode_cmd *cmd;
2895         int ret;
2896
2897         if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2898             (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2899                 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2900                 return -EINVAL;
2901         }
2902
2903         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2904         if (!skb)
2905                 return -ENOMEM;
2906
2907         cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2908
2909         if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2910                 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2911                 cmd->asleep = cpu_to_le32(1);
2912         } else {
2913                 cmd->awake = cpu_to_le32(1);
2914         }
2915
2916         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2917                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2918                                   NO_SYNC_WMIFLAG);
2919         return ret;
2920 }
2921
2922 /* This command has zero length payload */
2923 static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2924                                                       struct ath6kl_vif *vif)
2925 {
2926         struct ath6kl *ar = wmi->parent_dev;
2927
2928         set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2929         wake_up(&ar->event_wq);
2930
2931         return 0;
2932 }
2933
2934 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2935                                 enum ath6kl_wow_mode wow_mode,
2936                                 u32 filter, u16 host_req_delay)
2937 {
2938         struct sk_buff *skb;
2939         struct wmi_set_wow_mode_cmd *cmd;
2940         int ret;
2941
2942         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2943             wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2944                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2945                 return -EINVAL;
2946         }
2947
2948         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2949         if (!skb)
2950                 return -ENOMEM;
2951
2952         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2953         cmd->enable_wow = cpu_to_le32(wow_mode);
2954         cmd->filter = cpu_to_le32(filter);
2955         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2956
2957         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2958                                   NO_SYNC_WMIFLAG);
2959         return ret;
2960 }
2961
2962 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2963                                    u8 list_id, u8 filter_size,
2964                                    u8 filter_offset, const u8 *filter,
2965                                    const u8 *mask)
2966 {
2967         struct sk_buff *skb;
2968         struct wmi_add_wow_pattern_cmd *cmd;
2969         u16 size;
2970         u8 *filter_mask;
2971         int ret;
2972
2973         /*
2974          * Allocate additional memory in the buffer to hold
2975          * filter and mask value, which is twice of filter_size.
2976          */
2977         size = sizeof(*cmd) + (2 * filter_size);
2978
2979         skb = ath6kl_wmi_get_new_buf(size);
2980         if (!skb)
2981                 return -ENOMEM;
2982
2983         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2984         cmd->filter_list_id = list_id;
2985         cmd->filter_size = filter_size;
2986         cmd->filter_offset = filter_offset;
2987
2988         memcpy(cmd->filter, filter, filter_size);
2989
2990         filter_mask = (u8 *) (cmd->filter + filter_size);
2991         memcpy(filter_mask, mask, filter_size);
2992
2993         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2994                                   NO_SYNC_WMIFLAG);
2995
2996         return ret;
2997 }
2998
2999 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
3000                                    u16 list_id, u16 filter_id)
3001 {
3002         struct sk_buff *skb;
3003         struct wmi_del_wow_pattern_cmd *cmd;
3004         int ret;
3005
3006         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3007         if (!skb)
3008                 return -ENOMEM;
3009
3010         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
3011         cmd->filter_list_id = cpu_to_le16(list_id);
3012         cmd->filter_id = cpu_to_le16(filter_id);
3013
3014         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
3015                                   NO_SYNC_WMIFLAG);
3016         return ret;
3017 }
3018
3019 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
3020                                     enum wmix_command_id cmd_id,
3021                                     enum wmi_sync_flag sync_flag)
3022 {
3023         struct wmix_cmd_hdr *cmd_hdr;
3024         int ret;
3025
3026         skb_push(skb, sizeof(struct wmix_cmd_hdr));
3027
3028         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
3029         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
3030
3031         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
3032
3033         return ret;
3034 }
3035
3036 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
3037 {
3038         struct sk_buff *skb;
3039         struct wmix_hb_challenge_resp_cmd *cmd;
3040         int ret;
3041
3042         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3043         if (!skb)
3044                 return -ENOMEM;
3045
3046         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
3047         cmd->cookie = cpu_to_le32(cookie);
3048         cmd->source = cpu_to_le32(source);
3049
3050         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
3051                                        NO_SYNC_WMIFLAG);
3052         return ret;
3053 }
3054
3055 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
3056 {
3057         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
3058         struct sk_buff *skb;
3059         int ret;
3060
3061         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3062         if (!skb)
3063                 return -ENOMEM;
3064
3065         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
3066         cmd->valid = cpu_to_le32(valid);
3067         cmd->config = cpu_to_le32(config);
3068
3069         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
3070                                        NO_SYNC_WMIFLAG);
3071         return ret;
3072 }
3073
3074 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
3075 {
3076         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
3077 }
3078
3079 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
3080 {
3081         struct sk_buff *skb;
3082         struct wmi_set_tx_pwr_cmd *cmd;
3083         int ret;
3084
3085         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
3086         if (!skb)
3087                 return -ENOMEM;
3088
3089         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
3090         cmd->dbM = dbM;
3091
3092         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
3093                                   NO_SYNC_WMIFLAG);
3094
3095         return ret;
3096 }
3097
3098 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
3099 {
3100         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
3101 }
3102
3103 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
3104 {
3105         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
3106 }
3107
3108 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
3109                                  u8 preamble_policy)
3110 {
3111         struct sk_buff *skb;
3112         struct wmi_set_lpreamble_cmd *cmd;
3113         int ret;
3114
3115         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
3116         if (!skb)
3117                 return -ENOMEM;
3118
3119         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
3120         cmd->status = status;
3121         cmd->preamble_policy = preamble_policy;
3122
3123         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
3124                                   NO_SYNC_WMIFLAG);
3125         return ret;
3126 }
3127
3128 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
3129 {
3130         struct sk_buff *skb;
3131         struct wmi_set_rts_cmd *cmd;
3132         int ret;
3133
3134         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
3135         if (!skb)
3136                 return -ENOMEM;
3137
3138         cmd = (struct wmi_set_rts_cmd *) skb->data;
3139         cmd->threshold = cpu_to_le16(threshold);
3140
3141         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
3142                                   NO_SYNC_WMIFLAG);
3143         return ret;
3144 }
3145
3146 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
3147 {
3148         struct sk_buff *skb;
3149         struct wmi_set_wmm_txop_cmd *cmd;
3150         int ret;
3151
3152         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
3153                 return -EINVAL;
3154
3155         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
3156         if (!skb)
3157                 return -ENOMEM;
3158
3159         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
3160         cmd->txop_enable = cfg;
3161
3162         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
3163                                   NO_SYNC_WMIFLAG);
3164         return ret;
3165 }
3166
3167 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3168                                  u8 keep_alive_intvl)
3169 {
3170         struct sk_buff *skb;
3171         struct wmi_set_keepalive_cmd *cmd;
3172         int ret;
3173
3174         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3175         if (!skb)
3176                 return -ENOMEM;
3177
3178         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3179         cmd->keep_alive_intvl = keep_alive_intvl;
3180
3181         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
3182                                   NO_SYNC_WMIFLAG);
3183
3184         if (ret == 0)
3185                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
3186
3187         return ret;
3188 }
3189
3190 int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3191                              enum nl80211_band band,
3192                              struct ath6kl_htcap *htcap)
3193 {
3194         struct sk_buff *skb;
3195         struct wmi_set_htcap_cmd *cmd;
3196
3197         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3198         if (!skb)
3199                 return -ENOMEM;
3200
3201         cmd = (struct wmi_set_htcap_cmd *) skb->data;
3202
3203         /*
3204          * NOTE: Band in firmware matches enum nl80211_band, it is unlikely
3205          * this will be changed in firmware. If at all there is any change in
3206          * band value, the host needs to be fixed.
3207          */
3208         cmd->band = band;
3209         cmd->ht_enable = !!htcap->ht_enable;
3210         cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3211         cmd->ht40_supported =
3212                 !!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3213         cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3214         cmd->intolerant_40mhz =
3215                 !!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3216         cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3217
3218         ath6kl_dbg(ATH6KL_DBG_WMI,
3219                    "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3220                    cmd->band, cmd->ht_enable, cmd->ht40_supported,
3221                    cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3222                    cmd->max_ampdu_len_exp);
3223         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
3224                                    NO_SYNC_WMIFLAG);
3225 }
3226
3227 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3228 {
3229         struct sk_buff *skb;
3230         int ret;
3231
3232         skb = ath6kl_wmi_get_new_buf(len);
3233         if (!skb)
3234                 return -ENOMEM;
3235
3236         memcpy(skb->data, buf, len);
3237
3238         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
3239
3240         return ret;
3241 }
3242
3243 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3244 {
3245         struct sk_buff *skb;
3246         struct wmi_mcast_filter_cmd *cmd;
3247         int ret;
3248
3249         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3250         if (!skb)
3251                 return -ENOMEM;
3252
3253         cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3254         cmd->mcast_all_enable = mc_all_on;
3255
3256         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
3257                                   NO_SYNC_WMIFLAG);
3258         return ret;
3259 }
3260
3261 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3262                                         u8 *filter, bool add_filter)
3263 {
3264         struct sk_buff *skb;
3265         struct wmi_mcast_filter_add_del_cmd *cmd;
3266         int ret;
3267
3268         if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3269             (filter[0] != 0x01 || filter[1] != 0x00 ||
3270             filter[2] != 0x5e || filter[3] > 0x7f)) {
3271                 ath6kl_warn("invalid multicast filter address\n");
3272                 return -EINVAL;
3273         }
3274
3275         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3276         if (!skb)
3277                 return -ENOMEM;
3278
3279         cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3280         memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3281         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3282                                   add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3283                                   WMI_DEL_MCAST_FILTER_CMDID,
3284                                   NO_SYNC_WMIFLAG);
3285
3286         return ret;
3287 }
3288
3289 int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3290 {
3291         struct sk_buff *skb;
3292         struct wmi_sta_bmiss_enhance_cmd *cmd;
3293         int ret;
3294
3295         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3296         if (!skb)
3297                 return -ENOMEM;
3298
3299         cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data;
3300         cmd->enable = enhance ? 1 : 0;
3301
3302         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3303                                   WMI_STA_BMISS_ENHANCE_CMDID,
3304                                   NO_SYNC_WMIFLAG);
3305         return ret;
3306 }
3307
3308 int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
3309 {
3310         struct sk_buff *skb;
3311         struct wmi_set_regdomain_cmd *cmd;
3312
3313         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3314         if (!skb)
3315                 return -ENOMEM;
3316
3317         cmd = (struct wmi_set_regdomain_cmd *) skb->data;
3318         memcpy(cmd->iso_name, alpha2, 2);
3319
3320         return ath6kl_wmi_cmd_send(wmi, 0, skb,
3321                                    WMI_SET_REGDOMAIN_CMDID,
3322                                    NO_SYNC_WMIFLAG);
3323 }
3324
3325 s32 ath6kl_wmi_get_rate(struct wmi *wmi, s8 rate_index)
3326 {
3327         struct ath6kl *ar = wmi->parent_dev;
3328         u8 sgi = 0;
3329         s32 ret;
3330
3331         if (rate_index == RATE_AUTO)
3332                 return 0;
3333
3334         /* SGI is stored as the MSB of the rate_index */
3335         if (rate_index & RATE_INDEX_MSB) {
3336                 rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;
3337                 sgi = 1;
3338         }
3339
3340         if (test_bit(ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,
3341                      ar->fw_capabilities)) {
3342                 if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl_mcs15)))
3343                         return 0;
3344
3345                 ret = wmi_rate_tbl_mcs15[(u32) rate_index][sgi];
3346         } else {
3347                 if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl)))
3348                         return 0;
3349
3350                 ret = wmi_rate_tbl[(u32) rate_index][sgi];
3351         }
3352
3353         return ret;
3354 }
3355
3356 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3357                                               u32 len)
3358 {
3359         struct wmi_pmkid_list_reply *reply;
3360         u32 expected_len;
3361
3362         if (len < sizeof(struct wmi_pmkid_list_reply))
3363                 return -EINVAL;
3364
3365         reply = (struct wmi_pmkid_list_reply *)datap;
3366         expected_len = sizeof(reply->num_pmkid) +
3367                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3368
3369         if (len < expected_len)
3370                 return -EINVAL;
3371
3372         return 0;
3373 }
3374
3375 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3376                                          struct ath6kl_vif *vif)
3377 {
3378         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3379
3380         aggr_recv_addba_req_evt(vif, cmd->tid,
3381                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
3382
3383         return 0;
3384 }
3385
3386 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3387                                          struct ath6kl_vif *vif)
3388 {
3389         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3390
3391         aggr_recv_delba_req_evt(vif, cmd->tid);
3392
3393         return 0;
3394 }
3395
3396 /*  AP mode functions */
3397
3398 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3399                                  struct wmi_connect_cmd *p)
3400 {
3401         struct sk_buff *skb;
3402         struct wmi_connect_cmd *cm;
3403         int res;
3404
3405         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3406         if (!skb)
3407                 return -ENOMEM;
3408
3409         cm = (struct wmi_connect_cmd *) skb->data;
3410         memcpy(cm, p, sizeof(*cm));
3411
3412         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3413                                   NO_SYNC_WMIFLAG);
3414         ath6kl_dbg(ATH6KL_DBG_WMI,
3415                    "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3416                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3417                    le32_to_cpu(p->ctrl_flags), res);
3418         return res;
3419 }
3420
3421 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3422                            u16 reason)
3423 {
3424         struct sk_buff *skb;
3425         struct wmi_ap_set_mlme_cmd *cm;
3426
3427         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3428         if (!skb)
3429                 return -ENOMEM;
3430
3431         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3432         memcpy(cm->mac, mac, ETH_ALEN);
3433         cm->reason = cpu_to_le16(reason);
3434         cm->cmd = cmd;
3435
3436         ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3437                    cm->reason);
3438
3439         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3440                                    NO_SYNC_WMIFLAG);
3441 }
3442
3443 int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3444 {
3445         struct sk_buff *skb;
3446         struct wmi_ap_hidden_ssid_cmd *cmd;
3447
3448         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3449         if (!skb)
3450                 return -ENOMEM;
3451
3452         cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3453         cmd->hidden_ssid = enable ? 1 : 0;
3454
3455         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3456                                    NO_SYNC_WMIFLAG);
3457 }
3458
3459 /* This command will be used to enable/disable AP uAPSD feature */
3460 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3461 {
3462         struct wmi_ap_set_apsd_cmd *cmd;
3463         struct sk_buff *skb;
3464
3465         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3466         if (!skb)
3467                 return -ENOMEM;
3468
3469         cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3470         cmd->enable = enable;
3471
3472         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3473                                    NO_SYNC_WMIFLAG);
3474 }
3475
3476 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3477                                              u16 aid, u16 bitmap, u32 flags)
3478 {
3479         struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3480         struct sk_buff *skb;
3481
3482         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3483         if (!skb)
3484                 return -ENOMEM;
3485
3486         cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3487         cmd->aid = cpu_to_le16(aid);
3488         cmd->bitmap = cpu_to_le16(bitmap);
3489         cmd->flags = cpu_to_le32(flags);
3490
3491         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3492                                    WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3493                                    NO_SYNC_WMIFLAG);
3494 }
3495
3496 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3497                                       struct ath6kl_vif *vif)
3498 {
3499         struct wmi_pspoll_event *ev;
3500
3501         if (len < sizeof(struct wmi_pspoll_event))
3502                 return -EINVAL;
3503
3504         ev = (struct wmi_pspoll_event *) datap;
3505
3506         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3507
3508         return 0;
3509 }
3510
3511 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3512                                           struct ath6kl_vif *vif)
3513 {
3514         ath6kl_dtimexpiry_event(vif);
3515
3516         return 0;
3517 }
3518
3519 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3520                            bool flag)
3521 {
3522         struct sk_buff *skb;
3523         struct wmi_ap_set_pvb_cmd *cmd;
3524         int ret;
3525
3526         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3527         if (!skb)
3528                 return -ENOMEM;
3529
3530         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3531         cmd->aid = cpu_to_le16(aid);
3532         cmd->rsvd = cpu_to_le16(0);
3533         cmd->flag = cpu_to_le32(flag);
3534
3535         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3536                                   NO_SYNC_WMIFLAG);
3537
3538         return ret;
3539 }
3540
3541 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3542                                        u8 rx_meta_ver,
3543                                        bool rx_dot11_hdr, bool defrag_on_host)
3544 {
3545         struct sk_buff *skb;
3546         struct wmi_rx_frame_format_cmd *cmd;
3547         int ret;
3548
3549         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3550         if (!skb)
3551                 return -ENOMEM;
3552
3553         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3554         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3555         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3556         cmd->meta_ver = rx_meta_ver;
3557
3558         /* Delete the local aggr state, on host */
3559         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3560                                   NO_SYNC_WMIFLAG);
3561
3562         return ret;
3563 }
3564
3565 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3566                              const u8 *ie, u8 ie_len)
3567 {
3568         struct sk_buff *skb;
3569         struct wmi_set_appie_cmd *p;
3570
3571         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3572         if (!skb)
3573                 return -ENOMEM;
3574
3575         ath6kl_dbg(ATH6KL_DBG_WMI,
3576                    "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3577                    mgmt_frm_type, ie_len);
3578         p = (struct wmi_set_appie_cmd *) skb->data;
3579         p->mgmt_frm_type = mgmt_frm_type;
3580         p->ie_len = ie_len;
3581
3582         if (ie != NULL && ie_len > 0)
3583                 memcpy(p->ie_info, ie, ie_len);
3584
3585         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3586                                    NO_SYNC_WMIFLAG);
3587 }
3588
3589 int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3590                           const u8 *ie_info, u8 ie_len)
3591 {
3592         struct sk_buff *skb;
3593         struct wmi_set_ie_cmd *p;
3594
3595         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3596         if (!skb)
3597                 return -ENOMEM;
3598
3599         ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3600                    ie_id, ie_field, ie_len);
3601         p = (struct wmi_set_ie_cmd *) skb->data;
3602         p->ie_id = ie_id;
3603         p->ie_field = ie_field;
3604         p->ie_len = ie_len;
3605         if (ie_info && ie_len > 0)
3606                 memcpy(p->ie_info, ie_info, ie_len);
3607
3608         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,
3609                                    NO_SYNC_WMIFLAG);
3610 }
3611
3612 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3613 {
3614         struct sk_buff *skb;
3615         struct wmi_disable_11b_rates_cmd *cmd;
3616
3617         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3618         if (!skb)
3619                 return -ENOMEM;
3620
3621         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3622                    disable);
3623         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3624         cmd->disable = disable ? 1 : 0;
3625
3626         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3627                                    NO_SYNC_WMIFLAG);
3628 }
3629
3630 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3631 {
3632         struct sk_buff *skb;
3633         struct wmi_remain_on_chnl_cmd *p;
3634
3635         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3636         if (!skb)
3637                 return -ENOMEM;
3638
3639         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3640                    freq, dur);
3641         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3642         p->freq = cpu_to_le32(freq);
3643         p->duration = cpu_to_le32(dur);
3644         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3645                                    NO_SYNC_WMIFLAG);
3646 }
3647
3648 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3649  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3650  * mgmt operations using station interface.
3651  */
3652 static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3653                                       u32 freq, u32 wait, const u8 *data,
3654                                       u16 data_len)
3655 {
3656         struct sk_buff *skb;
3657         struct wmi_send_action_cmd *p;
3658         u8 *buf;
3659
3660         if (wait)
3661                 return -EINVAL; /* Offload for wait not supported */
3662
3663         buf = kmalloc(data_len, GFP_KERNEL);
3664         if (!buf)
3665                 return -ENOMEM;
3666
3667         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3668         if (!skb) {
3669                 kfree(buf);
3670                 return -ENOMEM;
3671         }
3672
3673         kfree(wmi->last_mgmt_tx_frame);
3674         memcpy(buf, data, data_len);
3675         wmi->last_mgmt_tx_frame = buf;
3676         wmi->last_mgmt_tx_frame_len = data_len;
3677
3678         ath6kl_dbg(ATH6KL_DBG_WMI,
3679                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3680                    id, freq, wait, data_len);
3681         p = (struct wmi_send_action_cmd *) skb->data;
3682         p->id = cpu_to_le32(id);
3683         p->freq = cpu_to_le32(freq);
3684         p->wait = cpu_to_le32(wait);
3685         p->len = cpu_to_le16(data_len);
3686         memcpy(p->data, data, data_len);
3687         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3688                                    NO_SYNC_WMIFLAG);
3689 }
3690
3691 static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3692                                       u32 freq, u32 wait, const u8 *data,
3693                                       u16 data_len, u32 no_cck)
3694 {
3695         struct sk_buff *skb;
3696         struct wmi_send_mgmt_cmd *p;
3697         u8 *buf;
3698
3699         if (wait)
3700                 return -EINVAL; /* Offload for wait not supported */
3701
3702         buf = kmalloc(data_len, GFP_KERNEL);
3703         if (!buf)
3704                 return -ENOMEM;
3705
3706         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3707         if (!skb) {
3708                 kfree(buf);
3709                 return -ENOMEM;
3710         }
3711
3712         kfree(wmi->last_mgmt_tx_frame);
3713         memcpy(buf, data, data_len);
3714         wmi->last_mgmt_tx_frame = buf;
3715         wmi->last_mgmt_tx_frame_len = data_len;
3716
3717         ath6kl_dbg(ATH6KL_DBG_WMI,
3718                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3719                    id, freq, wait, data_len);
3720         p = (struct wmi_send_mgmt_cmd *) skb->data;
3721         p->id = cpu_to_le32(id);
3722         p->freq = cpu_to_le32(freq);
3723         p->wait = cpu_to_le32(wait);
3724         p->no_cck = cpu_to_le32(no_cck);
3725         p->len = cpu_to_le16(data_len);
3726         memcpy(p->data, data, data_len);
3727         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3728                                    NO_SYNC_WMIFLAG);
3729 }
3730
3731 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3732                                 u32 wait, const u8 *data, u16 data_len,
3733                                 u32 no_cck)
3734 {
3735         int status;
3736         struct ath6kl *ar = wmi->parent_dev;
3737
3738         if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3739                      ar->fw_capabilities)) {
3740                 /*
3741                  * If capable of doing P2P mgmt operations using
3742                  * station interface, send additional information like
3743                  * supported rates to advertise and xmit rates for
3744                  * probe requests
3745                  */
3746                 status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3747                                                     wait, data, data_len,
3748                                                     no_cck);
3749         } else {
3750                 status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3751                                                     wait, data, data_len);
3752         }
3753
3754         return status;
3755 }
3756
3757 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3758                                        const u8 *dst, const u8 *data,
3759                                        u16 data_len)
3760 {
3761         struct sk_buff *skb;
3762         struct wmi_p2p_probe_response_cmd *p;
3763         size_t cmd_len = sizeof(*p) + data_len;
3764
3765         if (data_len == 0)
3766                 cmd_len++; /* work around target minimum length requirement */
3767
3768         skb = ath6kl_wmi_get_new_buf(cmd_len);
3769         if (!skb)
3770                 return -ENOMEM;
3771
3772         ath6kl_dbg(ATH6KL_DBG_WMI,
3773                    "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3774                    freq, dst, data_len);
3775         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3776         p->freq = cpu_to_le32(freq);
3777         memcpy(p->destination_addr, dst, ETH_ALEN);
3778         p->len = cpu_to_le16(data_len);
3779         memcpy(p->data, data, data_len);
3780         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3781                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3782                                    NO_SYNC_WMIFLAG);
3783 }
3784
3785 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3786 {
3787         struct sk_buff *skb;
3788         struct wmi_probe_req_report_cmd *p;
3789
3790         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3791         if (!skb)
3792                 return -ENOMEM;
3793
3794         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3795                    enable);
3796         p = (struct wmi_probe_req_report_cmd *) skb->data;
3797         p->enable = enable ? 1 : 0;
3798         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3799                                    NO_SYNC_WMIFLAG);
3800 }
3801
3802 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3803 {
3804         struct sk_buff *skb;
3805         struct wmi_get_p2p_info *p;
3806
3807         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3808         if (!skb)
3809                 return -ENOMEM;
3810
3811         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3812                    info_req_flags);
3813         p = (struct wmi_get_p2p_info *) skb->data;
3814         p->info_req_flags = cpu_to_le32(info_req_flags);
3815         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3816                                    NO_SYNC_WMIFLAG);
3817 }
3818
3819 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3820 {
3821         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3822         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3823                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3824 }
3825
3826 int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3827 {
3828         struct sk_buff *skb;
3829         struct wmi_set_inact_period_cmd *cmd;
3830
3831         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3832         if (!skb)
3833                 return -ENOMEM;
3834
3835         cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3836         cmd->inact_period = cpu_to_le32(inact_timeout);
3837         cmd->num_null_func = 0;
3838
3839         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,
3840                                    NO_SYNC_WMIFLAG);
3841 }
3842
3843 static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,
3844                                                int len)
3845 {
3846         struct wmix_hb_challenge_resp_cmd *cmd;
3847
3848         if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
3849                 return;
3850
3851         cmd = (struct wmix_hb_challenge_resp_cmd *) datap;
3852         ath6kl_recovery_hb_event(wmi->parent_dev,
3853                                  le32_to_cpu(cmd->cookie));
3854 }
3855
3856 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3857 {
3858         struct wmix_cmd_hdr *cmd;
3859         u32 len;
3860         u16 id;
3861         u8 *datap;
3862         int ret = 0;
3863
3864         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3865                 ath6kl_err("bad packet 1\n");
3866                 return -EINVAL;
3867         }
3868
3869         cmd = (struct wmix_cmd_hdr *) skb->data;
3870         id = le32_to_cpu(cmd->cmd_id);
3871
3872         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3873
3874         datap = skb->data;
3875         len = skb->len;
3876
3877         switch (id) {
3878         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3879                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3880                 ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);
3881                 break;
3882         case WMIX_DBGLOG_EVENTID:
3883                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3884                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3885                 break;
3886         default:
3887                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3888                 ret = -EINVAL;
3889                 break;
3890         }
3891
3892         return ret;
3893 }
3894
3895 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3896 {
3897         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3898 }
3899
3900 /* Process interface specific wmi events, caller would free the datap */
3901 static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3902                                         u8 *datap, u32 len)
3903 {
3904         struct ath6kl_vif *vif;
3905
3906         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3907         if (!vif) {
3908                 ath6kl_dbg(ATH6KL_DBG_WMI,
3909                            "Wmi event for unavailable vif, vif_index:%d\n",
3910                             if_idx);
3911                 return -EINVAL;
3912         }
3913
3914         switch (cmd_id) {
3915         case WMI_CONNECT_EVENTID:
3916                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3917                 return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3918         case WMI_DISCONNECT_EVENTID:
3919                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3920                 return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3921         case WMI_TKIP_MICERR_EVENTID:
3922                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3923                 return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3924         case WMI_BSSINFO_EVENTID:
3925                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3926                 return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3927         case WMI_NEIGHBOR_REPORT_EVENTID:
3928                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3929                 return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3930                                                            vif);
3931         case WMI_SCAN_COMPLETE_EVENTID:
3932                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3933                 return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3934         case WMI_REPORT_STATISTICS_EVENTID:
3935                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3936                 return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3937         case WMI_CAC_EVENTID:
3938                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3939                 return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3940         case WMI_PSPOLL_EVENTID:
3941                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3942                 return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3943         case WMI_DTIMEXPIRY_EVENTID:
3944                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3945                 return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3946         case WMI_ADDBA_REQ_EVENTID:
3947                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3948                 return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3949         case WMI_DELBA_REQ_EVENTID:
3950                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3951                 return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3952         case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3953                 ath6kl_dbg(ATH6KL_DBG_WMI,
3954                            "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3955                 return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3956         case WMI_REMAIN_ON_CHNL_EVENTID:
3957                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3958                 return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3959         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3960                 ath6kl_dbg(ATH6KL_DBG_WMI,
3961                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3962                 return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3963                                                                  len, vif);
3964         case WMI_TX_STATUS_EVENTID:
3965                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3966                 return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3967         case WMI_RX_PROBE_REQ_EVENTID:
3968                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3969                 return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3970         case WMI_RX_ACTION_EVENTID:
3971                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3972                 return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3973         case WMI_TXE_NOTIFY_EVENTID:
3974                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");
3975                 return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
3976         default:
3977                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3978                 return -EINVAL;
3979         }
3980
3981         return 0;
3982 }
3983
3984 static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3985 {
3986         struct wmi_cmd_hdr *cmd;
3987         int ret = 0;
3988         u32 len;
3989         u16 id;
3990         u8 if_idx;
3991         u8 *datap;
3992
3993         cmd = (struct wmi_cmd_hdr *) skb->data;
3994         id = le16_to_cpu(cmd->cmd_id);
3995         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3996
3997         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3998         datap = skb->data;
3999         len = skb->len;
4000
4001         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
4002         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
4003                         datap, len);
4004
4005         switch (id) {
4006         case WMI_GET_BITRATE_CMDID:
4007                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
4008                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
4009                 break;
4010         case WMI_GET_CHANNEL_LIST_CMDID:
4011                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
4012                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
4013                 break;
4014         case WMI_GET_TX_PWR_CMDID:
4015                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
4016                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
4017                 break;
4018         case WMI_READY_EVENTID:
4019                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
4020                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
4021                 break;
4022         case WMI_PEER_NODE_EVENTID:
4023                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
4024                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
4025                 break;
4026         case WMI_REGDOMAIN_EVENTID:
4027                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
4028                 ath6kl_wmi_regdomain_event(wmi, datap, len);
4029                 break;
4030         case WMI_PSTREAM_TIMEOUT_EVENTID:
4031                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
4032                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
4033                 break;
4034         case WMI_CMDERROR_EVENTID:
4035                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
4036                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
4037                 break;
4038         case WMI_RSSI_THRESHOLD_EVENTID:
4039                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
4040                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
4041                 break;
4042         case WMI_ERROR_REPORT_EVENTID:
4043                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
4044                 break;
4045         case WMI_OPT_RX_FRAME_EVENTID:
4046                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
4047                 /* this event has been deprecated */
4048                 break;
4049         case WMI_REPORT_ROAM_TBL_EVENTID:
4050                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
4051                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
4052                 break;
4053         case WMI_EXTENSION_EVENTID:
4054                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
4055                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
4056                 break;
4057         case WMI_CHANNEL_CHANGE_EVENTID:
4058                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
4059                 break;
4060         case WMI_REPORT_ROAM_DATA_EVENTID:
4061                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
4062                 break;
4063         case WMI_TEST_EVENTID:
4064                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
4065                 ret = ath6kl_wmi_test_rx(wmi, datap, len);
4066                 break;
4067         case WMI_GET_FIXRATES_CMDID:
4068                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
4069                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
4070                 break;
4071         case WMI_TX_RETRY_ERR_EVENTID:
4072                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
4073                 break;
4074         case WMI_SNR_THRESHOLD_EVENTID:
4075                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
4076                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
4077                 break;
4078         case WMI_LQ_THRESHOLD_EVENTID:
4079                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
4080                 break;
4081         case WMI_APLIST_EVENTID:
4082                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
4083                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
4084                 break;
4085         case WMI_GET_KEEPALIVE_CMDID:
4086                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
4087                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
4088                 break;
4089         case WMI_GET_WOW_LIST_EVENTID:
4090                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
4091                 break;
4092         case WMI_GET_PMKID_LIST_EVENTID:
4093                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
4094                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
4095                 break;
4096         case WMI_SET_PARAMS_REPLY_EVENTID:
4097                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
4098                 break;
4099         case WMI_ADDBA_RESP_EVENTID:
4100                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
4101                 break;
4102         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
4103                 ath6kl_dbg(ATH6KL_DBG_WMI,
4104                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
4105                 break;
4106         case WMI_REPORT_BTCOEX_STATS_EVENTID:
4107                 ath6kl_dbg(ATH6KL_DBG_WMI,
4108                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
4109                 break;
4110         case WMI_TX_COMPLETE_EVENTID:
4111                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
4112                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
4113                 break;
4114         case WMI_P2P_CAPABILITIES_EVENTID:
4115                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
4116                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
4117                 break;
4118         case WMI_P2P_INFO_EVENTID:
4119                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
4120                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
4121                 break;
4122         default:
4123                 /* may be the event is interface specific */
4124                 ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
4125                 break;
4126         }
4127
4128         dev_kfree_skb(skb);
4129         return ret;
4130 }
4131
4132 /* Control Path */
4133 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
4134 {
4135         if (WARN_ON(skb == NULL))
4136                 return -EINVAL;
4137
4138         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
4139                 ath6kl_err("bad packet 1\n");
4140                 dev_kfree_skb(skb);
4141                 return -EINVAL;
4142         }
4143
4144         trace_ath6kl_wmi_event(skb->data, skb->len);
4145
4146         return ath6kl_wmi_proc_events(wmi, skb);
4147 }
4148
4149 void ath6kl_wmi_reset(struct wmi *wmi)
4150 {
4151         spin_lock_bh(&wmi->lock);
4152
4153         wmi->fat_pipe_exist = 0;
4154         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
4155
4156         spin_unlock_bh(&wmi->lock);
4157 }
4158
4159 void *ath6kl_wmi_init(struct ath6kl *dev)
4160 {
4161         struct wmi *wmi;
4162
4163         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
4164         if (!wmi)
4165                 return NULL;
4166
4167         spin_lock_init(&wmi->lock);
4168
4169         wmi->parent_dev = dev;
4170
4171         wmi->pwr_mode = REC_POWER;
4172
4173         ath6kl_wmi_reset(wmi);
4174
4175         return wmi;
4176 }
4177
4178 void ath6kl_wmi_shutdown(struct wmi *wmi)
4179 {
4180         if (!wmi)
4181                 return;
4182
4183         kfree(wmi->last_mgmt_tx_frame);
4184         kfree(wmi);
4185 }