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

   1 /*
   2  * Copyright (c) 2004-2011 Atheros Communications Inc.
   3  * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #include <linux/ip.h>
  19 #include <linux/in.h>
  20 #include "core.h"
  21 #include "debug.h"
  22 #include "testmode.h"
  23 #include "trace.h"
  24 #include "../regd.h"
  25 #include "../regd_common.h"
  26
  27 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
  28
  29 static const s32 wmi_rate_tbl[][2] = {
  30         /* {W/O SGI, with SGI} */
  31         {1000, 1000},
  32         {2000, 2000},
  33         {5500, 5500},
  34         {11000, 11000},
  35         {6000, 6000},
  36         {9000, 9000},
  37         {12000, 12000},
  38         {18000, 18000},
  39         {24000, 24000},
  40         {36000, 36000},
  41         {48000, 48000},
  42         {54000, 54000},
  43         {6500, 7200},
  44         {13000, 14400},
  45         {19500, 21700},
  46         {26000, 28900},
  47         {39000, 43300},
  48         {52000, 57800},
  49         {58500, 65000},
  50         {65000, 72200},
  51         {13500, 15000},
  52         {27000, 30000},
  53         {40500, 45000},
  54         {54000, 60000},
  55         {81000, 90000},
  56         {108000, 120000},
  57         {121500, 135000},
  58         {135000, 150000},
  59         {0, 0}
  60 };
  61
  62 static const s32 wmi_rate_tbl_mcs15[][2] = {
  63         /* {W/O SGI, with SGI} */
  64         {1000, 1000},
  65         {2000, 2000},
  66         {5500, 5500},
  67         {11000, 11000},
  68         {6000, 6000},
  69         {9000, 9000},
  70         {12000, 12000},
  71         {18000, 18000},
  72         {24000, 24000},
  73         {36000, 36000},
  74         {48000, 48000},
  75         {54000, 54000},
  76         {6500, 7200},     /* HT 20, MCS 0 */
  77         {13000, 14400},
  78         {19500, 21700},
  79         {26000, 28900},
  80         {39000, 43300},
  81         {52000, 57800},
  82         {58500, 65000},
  83         {65000, 72200},
  84         {13000, 14400},   /* HT 20, MCS 8 */
  85         {26000, 28900},
  86         {39000, 43300},
  87         {52000, 57800},
  88         {78000, 86700},
  89         {104000, 115600},
  90         {117000, 130000},
  91         {130000, 144400}, /* HT 20, MCS 15 */
  92         {13500, 15000},   /*HT 40, MCS 0 */
  93         {27000, 30000},
  94         {40500, 45000},
  95         {54000, 60000},
  96         {81000, 90000},
  97         {108000, 120000},
  98         {121500, 135000},
  99         {135000, 150000},
 100         {27000, 30000},   /*HT 40, MCS 8 */
 101         {54000, 60000},
 102         {81000, 90000},
 103         {108000, 120000},
 104         {162000, 180000},
 105         {216000, 240000},
 106         {243000, 270000},
 107         {270000, 300000}, /*HT 40, MCS 15 */
 108         {0, 0}
 109 };
 110
 111 /* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
 112 static const u8 up_to_ac[] = {
 113         WMM_AC_BE,
 114         WMM_AC_BK,
 115         WMM_AC_BK,
 116         WMM_AC_BE,
 117         WMM_AC_VI,
 118         WMM_AC_VI,
 119         WMM_AC_VO,
 120         WMM_AC_VO,
 121 };
 122
 123 void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
 124 {
 125         if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
 126                 return;
 127
 128         wmi->ep_id = ep_id;
 129 }
 130
 131 enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
 132 {
 133         return wmi->ep_id;
 134 }
 135
 136 struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
 137 {
 138         struct ath6kl_vif *vif, *found = NULL;
 139
 140         if (WARN_ON(if_idx > (ar->vif_max - 1)))
 141                 return NULL;
 142
 143         /* FIXME: Locking */
 144         spin_lock_bh(&ar->list_lock);
 145         list_for_each_entry(vif, &ar->vif_list, list) {
 146                 if (vif->fw_vif_idx == if_idx) {
 147                         found = vif;
 148                         break;
 149                 }
 150         }
 151         spin_unlock_bh(&ar->list_lock);
 152
 153         return found;
 154 }
 155
 156 /*  Performs DIX to 802.3 encapsulation for transmit packets.
 157  *  Assumes the entire DIX header is contigous and that there is
 158  *  enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
 159  */
 160 int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
 161 {
 162         struct ath6kl_llc_snap_hdr *llc_hdr;
 163         struct ethhdr *eth_hdr;
 164         size_t new_len;
 165         __be16 type;
 166         u8 *datap;
 167         u16 size;
 168
 169         if (WARN_ON(skb == NULL))
 170                 return -EINVAL;
 171
 172         size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
 173         if (skb_headroom(skb) < size)
 174                 return -ENOMEM;
 175
 176         eth_hdr = (struct ethhdr *) skb->data;
 177         type = eth_hdr->h_proto;
 178
 179         if (!is_ethertype(be16_to_cpu(type))) {
 180                 ath6kl_dbg(ATH6KL_DBG_WMI,
 181                            "%s: pkt is already in 802.3 format\n", __func__);
 182                 return 0;
 183         }
 184
 185         new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
 186
 187         skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
 188         datap = skb->data;
 189
 190         eth_hdr->h_proto = cpu_to_be16(new_len);
 191
 192         memcpy(datap, eth_hdr, sizeof(*eth_hdr));
 193
 194         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
 195         llc_hdr->dsap = 0xAA;
 196         llc_hdr->ssap = 0xAA;
 197         llc_hdr->cntl = 0x03;
 198         llc_hdr->org_code[0] = 0x0;
 199         llc_hdr->org_code[1] = 0x0;
 200         llc_hdr->org_code[2] = 0x0;
 201         llc_hdr->eth_type = type;
 202
 203         return 0;
 204 }
 205
 206 static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
 207                                u8 *version, void *tx_meta_info)
 208 {
 209         struct wmi_tx_meta_v1 *v1;
 210         struct wmi_tx_meta_v2 *v2;
 211
 212         if (WARN_ON(skb == NULL || version == NULL))
 213                 return -EINVAL;
 214
 215         switch (*version) {
 216         case WMI_META_VERSION_1:
 217                 skb_push(skb, WMI_MAX_TX_META_SZ);
 218                 v1 = (struct wmi_tx_meta_v1 *) skb->data;
 219                 v1->pkt_id = 0;
 220                 v1->rate_plcy_id = 0;
 221                 *version = WMI_META_VERSION_1;
 222                 break;
 223         case WMI_META_VERSION_2:
 224                 skb_push(skb, WMI_MAX_TX_META_SZ);
 225                 v2 = (struct wmi_tx_meta_v2 *) skb->data;
 226                 memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
 227                        sizeof(struct wmi_tx_meta_v2));
 228                 break;
 229         }
 230
 231         return 0;
 232 }
 233
 234 int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
 235                             u8 msg_type, u32 flags,
 236                             enum wmi_data_hdr_data_type data_type,
 237                             u8 meta_ver, void *tx_meta_info, u8 if_idx)
 238 {
 239         struct wmi_data_hdr *data_hdr;
 240         int ret;
 241
 242         if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))
 243                 return -EINVAL;
 244
 245         if (tx_meta_info) {
 246                 ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
 247                 if (ret)
 248                         return ret;
 249         }
 250
 251         skb_push(skb, sizeof(struct wmi_data_hdr));
 252
 253         data_hdr = (struct wmi_data_hdr *)skb->data;
 254         memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
 255
 256         data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
 257         data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
 258
 259         if (flags & WMI_DATA_HDR_FLAGS_MORE)
 260                 data_hdr->info |= WMI_DATA_HDR_MORE;
 261
 262         if (flags & WMI_DATA_HDR_FLAGS_EOSP)
 263                 data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);
 264
 265         data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
 266         data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
 267
 268         return 0;
 269 }
 270
 271 u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
 272 {
 273         struct iphdr *ip_hdr = (struct iphdr *) pkt;
 274         u8 ip_pri;
 275
 276         /*
 277          * Determine IPTOS priority
 278          *
 279          * IP-TOS - 8bits
 280          *          : DSCP(6-bits) ECN(2-bits)
 281          *          : DSCP - P2 P1 P0 X X X
 282          * where (P2 P1 P0) form 802.1D
 283          */
 284         ip_pri = ip_hdr->tos >> 5;
 285         ip_pri &= 0x7;
 286
 287         if ((layer2_pri & 0x7) > ip_pri)
 288                 return (u8) layer2_pri & 0x7;
 289         else
 290                 return ip_pri;
 291 }
 292
 293 u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
 294 {
 295         return  up_to_ac[user_priority & 0x7];
 296 }
 297
 298 int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
 299                                        struct sk_buff *skb,
 300                                        u32 layer2_priority, bool wmm_enabled,
 301                                        u8 *ac)
 302 {
 303         struct wmi_data_hdr *data_hdr;
 304         struct ath6kl_llc_snap_hdr *llc_hdr;
 305         struct wmi_create_pstream_cmd cmd;
 306         u32 meta_size, hdr_size;
 307         u16 ip_type = IP_ETHERTYPE;
 308         u8 stream_exist, usr_pri;
 309         u8 traffic_class = WMM_AC_BE;
 310         u8 *datap;
 311
 312         if (WARN_ON(skb == NULL))
 313                 return -EINVAL;
 314
 315         datap = skb->data;
 316         data_hdr = (struct wmi_data_hdr *) datap;
 317
 318         meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
 319                      WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
 320
 321         if (!wmm_enabled) {
 322                 /* If WMM is disabled all traffic goes as BE traffic */
 323                 usr_pri = 0;
 324         } else {
 325                 hdr_size = sizeof(struct ethhdr);
 326
 327                 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
 328                                                          sizeof(struct
 329                                                                 wmi_data_hdr) +
 330                                                          meta_size + hdr_size);
 331
 332                 if (llc_hdr->eth_type == htons(ip_type)) {
 333                         /*
 334                          * Extract the endpoint info from the TOS field
 335                          * in the IP header.
 336                          */
 337                         usr_pri =
 338                            ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
 339                                         sizeof(struct ath6kl_llc_snap_hdr),
 340                                         layer2_priority);
 341                 } else {
 342                         usr_pri = layer2_priority & 0x7;
 343                 }
 344
 345                 /*
 346                  * Queue the EAPOL frames in the same WMM_AC_VO queue
 347                  * as that of management frames.
 348                  */
 349                 if (skb->protocol == cpu_to_be16(ETH_P_PAE))
 350                         usr_pri = WMI_VOICE_USER_PRIORITY;
 351         }
 352
 353         /*
 354          * workaround for WMM S5
 355          *
 356          * FIXME: wmi->traffic_class is always 100 so this test doesn't
 357          * make sense
 358          */
 359         if ((wmi->traffic_class == WMM_AC_VI) &&
 360             ((usr_pri == 5) || (usr_pri == 4)))
 361                 usr_pri = 1;
 362
 363         /* Convert user priority to traffic class */
 364         traffic_class = up_to_ac[usr_pri & 0x7];
 365
 366         wmi_data_hdr_set_up(data_hdr, usr_pri);
 367
 368         spin_lock_bh(&wmi->lock);
 369         stream_exist = wmi->fat_pipe_exist;
 370         spin_unlock_bh(&wmi->lock);
 371
 372         if (!(stream_exist & (1 << traffic_class))) {
 373                 memset(&cmd, 0, sizeof(cmd));
 374                 cmd.traffic_class = traffic_class;
 375                 cmd.user_pri = usr_pri;
 376                 cmd.inactivity_int =
 377                         cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
 378                 /* Implicit streams are created with TSID 0xFF */
 379                 cmd.tsid = WMI_IMPLICIT_PSTREAM;
 380                 ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
 381         }
 382
 383         *ac = traffic_class;
 384
 385         return 0;
 386 }
 387
 388 int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
 389 {
 390         struct ieee80211_hdr_3addr *pwh, wh;
 391         struct ath6kl_llc_snap_hdr *llc_hdr;
 392         struct ethhdr eth_hdr;
 393         u32 hdr_size;
 394         u8 *datap;
 395         __le16 sub_type;
 396
 397         if (WARN_ON(skb == NULL))
 398                 return -EINVAL;
 399
 400         datap = skb->data;
 401         pwh = (struct ieee80211_hdr_3addr *) datap;
 402
 403         sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
 404
 405         memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
 406
 407         /* Strip off the 802.11 header */
 408         if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
 409                 hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
 410                                    sizeof(u32));
 411                 skb_pull(skb, hdr_size);
 412         } else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA)) {
 413                 skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
 414         }
 415
 416         datap = skb->data;
 417         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
 418
 419         memset(&eth_hdr, 0, sizeof(eth_hdr));
 420         eth_hdr.h_proto = llc_hdr->eth_type;
 421
 422         switch ((le16_to_cpu(wh.frame_control)) &
 423                 (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
 424         case 0:
 425                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 426                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 427                 break;
 428         case IEEE80211_FCTL_TODS:
 429                 memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
 430                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 431                 break;
 432         case IEEE80211_FCTL_FROMDS:
 433                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 434                 memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
 435                 break;
 436         case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
 437                 break;
 438         }
 439
 440         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 441         skb_push(skb, sizeof(eth_hdr));
 442
 443         datap = skb->data;
 444
 445         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 446
 447         return 0;
 448 }
 449
 450 /*
 451  * Performs 802.3 to DIX encapsulation for received packets.
 452  * Assumes the entire 802.3 header is contigous.
 453  */
 454 int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
 455 {
 456         struct ath6kl_llc_snap_hdr *llc_hdr;
 457         struct ethhdr eth_hdr;
 458         u8 *datap;
 459
 460         if (WARN_ON(skb == NULL))
 461                 return -EINVAL;
 462
 463         datap = skb->data;
 464
 465         memcpy(&eth_hdr, datap, sizeof(eth_hdr));
 466
 467         llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
 468         eth_hdr.h_proto = llc_hdr->eth_type;
 469
 470         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 471         datap = skb->data;
 472
 473         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 474
 475         return 0;
 476 }
 477
 478 static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
 479 {
 480         struct tx_complete_msg_v1 *msg_v1;
 481         struct wmi_tx_complete_event *evt;
 482         int index;
 483         u16 size;
 484
 485         evt = (struct wmi_tx_complete_event *) datap;
 486
 487         ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
 488                    evt->num_msg, evt->msg_len, evt->msg_type);
 489
 490         for (index = 0; index < evt->num_msg; index++) {
 491                 size = sizeof(struct wmi_tx_complete_event) +
 492                     (index * sizeof(struct tx_complete_msg_v1));
 493                 msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
 494
 495                 ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
 496                            msg_v1->status, msg_v1->pkt_id,
 497                            msg_v1->rate_idx, msg_v1->ack_failures);
 498         }
 499
 500         return 0;
 501 }
 502
 503 static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
 504                                               int len, struct ath6kl_vif *vif)
 505 {
 506         struct wmi_remain_on_chnl_event *ev;
 507         u32 freq;
 508         u32 dur;
 509         struct ieee80211_channel *chan;
 510         struct ath6kl *ar = wmi->parent_dev;
 511         u32 id;
 512
 513         if (len < sizeof(*ev))
 514                 return -EINVAL;
 515
 516         ev = (struct wmi_remain_on_chnl_event *) datap;
 517         freq = le32_to_cpu(ev->freq);
 518         dur = le32_to_cpu(ev->duration);
 519         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
 520                    freq, dur);
 521         chan = ieee80211_get_channel(ar->wiphy, freq);
 522         if (!chan) {
 523                 ath6kl_dbg(ATH6KL_DBG_WMI,
 524                            "remain_on_chnl: Unknown channel (freq=%u)\n",
 525                            freq);
 526                 return -EINVAL;
 527         }
 528         id = vif->last_roc_id;
 529         cfg80211_ready_on_channel(&vif->wdev, id, chan,
 530                                   dur, GFP_ATOMIC);
 531
 532         return 0;
 533 }
 534
 535 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
 536                                                      u8 *datap, int len,
 537                                                      struct ath6kl_vif *vif)
 538 {
 539         struct wmi_cancel_remain_on_chnl_event *ev;
 540         u32 freq;
 541         u32 dur;
 542         struct ieee80211_channel *chan;
 543         struct ath6kl *ar = wmi->parent_dev;
 544         u32 id;
 545
 546         if (len < sizeof(*ev))
 547                 return -EINVAL;
 548
 549         ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
 550         freq = le32_to_cpu(ev->freq);
 551         dur = le32_to_cpu(ev->duration);
 552         ath6kl_dbg(ATH6KL_DBG_WMI,
 553                    "cancel_remain_on_chnl: freq=%u dur=%u status=%u\n",
 554                    freq, dur, ev->status);
 555         chan = ieee80211_get_channel(ar->wiphy, freq);
 556         if (!chan) {
 557                 ath6kl_dbg(ATH6KL_DBG_WMI,
 558                            "cancel_remain_on_chnl: Unknown channel (freq=%u)\n",
 559                            freq);
 560                 return -EINVAL;
 561         }
 562         if (vif->last_cancel_roc_id &&
 563             vif->last_cancel_roc_id + 1 == vif->last_roc_id)
 564                 id = vif->last_cancel_roc_id; /* event for cancel command */
 565         else
 566                 id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
 567         vif->last_cancel_roc_id = 0;
 568         cfg80211_remain_on_channel_expired(&vif->wdev, id, chan, GFP_ATOMIC);
 569
 570         return 0;
 571 }
 572
 573 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
 574                                          struct ath6kl_vif *vif)
 575 {
 576         struct wmi_tx_status_event *ev;
 577         u32 id;
 578
 579         if (len < sizeof(*ev))
 580                 return -EINVAL;
 581
 582         ev = (struct wmi_tx_status_event *) datap;
 583         id = le32_to_cpu(ev->id);
 584         ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
 585                    id, ev->ack_status);
 586         if (wmi->last_mgmt_tx_frame) {
 587                 cfg80211_mgmt_tx_status(&vif->wdev, id,
 588                                         wmi->last_mgmt_tx_frame,
 589                                         wmi->last_mgmt_tx_frame_len,
 590                                         !!ev->ack_status, GFP_ATOMIC);
 591                 kfree(wmi->last_mgmt_tx_frame);
 592                 wmi->last_mgmt_tx_frame = NULL;
 593                 wmi->last_mgmt_tx_frame_len = 0;
 594         }
 595
 596         return 0;
 597 }
 598
 599 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
 600                                             struct ath6kl_vif *vif)
 601 {
 602         struct wmi_p2p_rx_probe_req_event *ev;
 603         u32 freq;
 604         u16 dlen;
 605
 606         if (len < sizeof(*ev))
 607                 return -EINVAL;
 608
 609         ev = (struct wmi_p2p_rx_probe_req_event *) datap;
 610         freq = le32_to_cpu(ev->freq);
 611         dlen = le16_to_cpu(ev->len);
 612         if (datap + len < ev->data + dlen) {
 613                 ath6kl_err("invalid wmi_p2p_rx_probe_req_event: len=%d dlen=%u\n",
 614                            len, dlen);
 615                 return -EINVAL;
 616         }
 617         ath6kl_dbg(ATH6KL_DBG_WMI,
 618                    "rx_probe_req: len=%u freq=%u probe_req_report=%d\n",
 619                    dlen, freq, vif->probe_req_report);
 620
 621         if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
 622                 cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0,
 623                                  GFP_ATOMIC);
 624
 625         return 0;
 626 }
 627
 628 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
 629 {
 630         struct wmi_p2p_capabilities_event *ev;
 631         u16 dlen;
 632
 633         if (len < sizeof(*ev))
 634                 return -EINVAL;
 635
 636         ev = (struct wmi_p2p_capabilities_event *) datap;
 637         dlen = le16_to_cpu(ev->len);
 638         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
 639
 640         return 0;
 641 }
 642
 643 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 644                                          struct ath6kl_vif *vif)
 645 {
 646         struct wmi_rx_action_event *ev;
 647         u32 freq;
 648         u16 dlen;
 649
 650         if (len < sizeof(*ev))
 651                 return -EINVAL;
 652
 653         ev = (struct wmi_rx_action_event *) datap;
 654         freq = le32_to_cpu(ev->freq);
 655         dlen = le16_to_cpu(ev->len);
 656         if (datap + len < ev->data + dlen) {
 657                 ath6kl_err("invalid wmi_rx_action_event: len=%d dlen=%u\n",
 658                            len, dlen);
 659                 return -EINVAL;
 660         }
 661         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
 662         cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0, GFP_ATOMIC);
 663
 664         return 0;
 665 }
 666
 667 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
 668 {
 669         struct wmi_p2p_info_event *ev;
 670         u32 flags;
 671         u16 dlen;
 672
 673         if (len < sizeof(*ev))
 674                 return -EINVAL;
 675
 676         ev = (struct wmi_p2p_info_event *) datap;
 677         flags = le32_to_cpu(ev->info_req_flags);
 678         dlen = le16_to_cpu(ev->len);
 679         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
 680
 681         if (flags & P2P_FLAG_CAPABILITIES_REQ) {
 682                 struct wmi_p2p_capabilities *cap;
 683                 if (dlen < sizeof(*cap))
 684                         return -EINVAL;
 685                 cap = (struct wmi_p2p_capabilities *) ev->data;
 686                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
 687                            cap->go_power_save);
 688         }
 689
 690         if (flags & P2P_FLAG_MACADDR_REQ) {
 691                 struct wmi_p2p_macaddr *mac;
 692                 if (dlen < sizeof(*mac))
 693                         return -EINVAL;
 694                 mac = (struct wmi_p2p_macaddr *) ev->data;
 695                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
 696                            mac->mac_addr);
 697         }
 698
 699         if (flags & P2P_FLAG_HMODEL_REQ) {
 700                 struct wmi_p2p_hmodel *mod;
 701                 if (dlen < sizeof(*mod))
 702                         return -EINVAL;
 703                 mod = (struct wmi_p2p_hmodel *) ev->data;
 704                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
 705                            mod->p2p_model,
 706                            mod->p2p_model ? "host" : "firmware");
 707         }
 708         return 0;
 709 }
 710
 711 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
 712 {
 713         struct sk_buff *skb;
 714
 715         skb = ath6kl_buf_alloc(size);
 716         if (!skb)
 717                 return NULL;
 718
 719         skb_put(skb, size);
 720         if (size)
 721                 memset(skb->data, 0, size);
 722
 723         return skb;
 724 }
 725
 726 /* Send a "simple" wmi command -- one with no arguments */
 727 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
 728                                  enum wmi_cmd_id cmd_id)
 729 {
 730         struct sk_buff *skb;
 731         int ret;
 732
 733         skb = ath6kl_wmi_get_new_buf(0);
 734         if (!skb)
 735                 return -ENOMEM;
 736
 737         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
 738
 739         return ret;
 740 }
 741
 742 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
 743 {
 744         struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
 745
 746         if (len < sizeof(struct wmi_ready_event_2))
 747                 return -EINVAL;
 748
 749         ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
 750                            le32_to_cpu(ev->sw_version),
 751                            le32_to_cpu(ev->abi_version), ev->phy_cap);
 752
 753         return 0;
 754 }
 755
 756 /*
 757  * Mechanism to modify the roaming behavior in the firmware. The lower rssi
 758  * at which the station has to roam can be passed with
 759  * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
 760  * in dBm.
 761  */
 762 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
 763 {
 764         struct sk_buff *skb;
 765         struct roam_ctrl_cmd *cmd;
 766
 767         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 768         if (!skb)
 769                 return -ENOMEM;
 770
 771         cmd = (struct roam_ctrl_cmd *) skb->data;
 772
 773         cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
 774         cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
 775                                                        DEF_SCAN_FOR_ROAM_INTVL);
 776         cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
 777         cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
 778         cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
 779
 780         ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 781                             NO_SYNC_WMIFLAG);
 782
 783         return 0;
 784 }
 785
 786 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
 787 {
 788         struct sk_buff *skb;
 789         struct roam_ctrl_cmd *cmd;
 790
 791         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 792         if (!skb)
 793                 return -ENOMEM;
 794
 795         cmd = (struct roam_ctrl_cmd *) skb->data;
 796
 797         memcpy(cmd->info.bssid, bssid, ETH_ALEN);
 798         cmd->roam_ctrl = WMI_FORCE_ROAM;
 799
 800         ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
 801         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 802                                    NO_SYNC_WMIFLAG);
 803 }
 804
 805 int ath6kl_wmi_ap_set_beacon_intvl_cmd(struct wmi *wmi, u8 if_idx,
 806                                        u32 beacon_intvl)
 807 {
 808         struct sk_buff *skb;
 809         struct set_beacon_int_cmd *cmd;
 810
 811         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 812         if (!skb)
 813                 return -ENOMEM;
 814
 815         cmd = (struct set_beacon_int_cmd *) skb->data;
 816
 817         cmd->beacon_intvl = cpu_to_le32(beacon_intvl);
 818         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 819                                    WMI_SET_BEACON_INT_CMDID, NO_SYNC_WMIFLAG);
 820 }
 821
 822 int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period)
 823 {
 824         struct sk_buff *skb;
 825         struct set_dtim_cmd *cmd;
 826
 827         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 828         if (!skb)
 829                 return -ENOMEM;
 830
 831         cmd = (struct set_dtim_cmd *) skb->data;
 832
 833         cmd->dtim_period = cpu_to_le32(dtim_period);
 834         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 835                                    WMI_AP_SET_DTIM_CMDID, NO_SYNC_WMIFLAG);
 836 }
 837
 838 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 839 {
 840         struct sk_buff *skb;
 841         struct roam_ctrl_cmd *cmd;
 842
 843         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 844         if (!skb)
 845                 return -ENOMEM;
 846
 847         cmd = (struct roam_ctrl_cmd *) skb->data;
 848
 849         cmd->info.roam_mode = mode;
 850         cmd->roam_ctrl = WMI_SET_ROAM_MODE;
 851
 852         ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
 853         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 854                                    NO_SYNC_WMIFLAG);
 855 }
 856
 857 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
 858                                        struct ath6kl_vif *vif)
 859 {
 860         struct wmi_connect_event *ev;
 861         u8 *pie, *peie;
 862
 863         if (len < sizeof(struct wmi_connect_event))
 864                 return -EINVAL;
 865
 866         ev = (struct wmi_connect_event *) datap;
 867
 868         if (vif->nw_type == AP_NETWORK) {
 869                 /* AP mode start/STA connected event */
 870                 struct net_device *dev = vif->ndev;
 871                 if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
 872                         ath6kl_dbg(ATH6KL_DBG_WMI,
 873                                    "%s: freq %d bssid %pM (AP started)\n",
 874                                    __func__, le16_to_cpu(ev->u.ap_bss.ch),
 875                                    ev->u.ap_bss.bssid);
 876                         ath6kl_connect_ap_mode_bss(
 877                                 vif, le16_to_cpu(ev->u.ap_bss.ch));
 878                 } else {
 879                         ath6kl_dbg(ATH6KL_DBG_WMI,
 880                                    "%s: aid %u mac_addr %pM auth=%u keymgmt=%u cipher=%u apsd_info=%u (STA connected)\n",
 881                                    __func__, ev->u.ap_sta.aid,
 882                                    ev->u.ap_sta.mac_addr,
 883                                    ev->u.ap_sta.auth,
 884                                    ev->u.ap_sta.keymgmt,
 885                                    le16_to_cpu(ev->u.ap_sta.cipher),
 886                                    ev->u.ap_sta.apsd_info);
 887
 888                         ath6kl_connect_ap_mode_sta(
 889                                 vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
 890                                 ev->u.ap_sta.keymgmt,
 891                                 le16_to_cpu(ev->u.ap_sta.cipher),
 892                                 ev->u.ap_sta.auth, ev->assoc_req_len,
 893                                 ev->assoc_info + ev->beacon_ie_len,
 894                                 ev->u.ap_sta.apsd_info);
 895                 }
 896                 return 0;
 897         }
 898
 899         /* STA/IBSS mode connection event */
 900
 901         ath6kl_dbg(ATH6KL_DBG_WMI,
 902                    "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
 903                    le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
 904                    le16_to_cpu(ev->u.sta.listen_intvl),
 905                    le16_to_cpu(ev->u.sta.beacon_intvl),
 906                    le32_to_cpu(ev->u.sta.nw_type));
 907
 908         /* Start of assoc rsp IEs */
 909         pie = ev->assoc_info + ev->beacon_ie_len +
 910               ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
 911
 912         /* End of assoc rsp IEs */
 913         peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
 914             ev->assoc_resp_len;
 915
 916         while (pie < peie) {
 917                 switch (*pie) {
 918                 case WLAN_EID_VENDOR_SPECIFIC:
 919                         if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
 920                             pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
 921                                 /* WMM OUT (00:50:F2) */
 922                                 if (pie[1] > 5 &&
 923                                     pie[6] == WMM_PARAM_OUI_SUBTYPE)
 924                                         wmi->is_wmm_enabled = true;
 925                         }
 926                         break;
 927                 }
 928
 929                 if (wmi->is_wmm_enabled)
 930                         break;
 931
 932                 pie += pie[1] + 2;
 933         }
 934
 935         ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
 936                              ev->u.sta.bssid,
 937                              le16_to_cpu(ev->u.sta.listen_intvl),
 938                              le16_to_cpu(ev->u.sta.beacon_intvl),
 939                              le32_to_cpu(ev->u.sta.nw_type),
 940                              ev->beacon_ie_len, ev->assoc_req_len,
 941                              ev->assoc_resp_len, ev->assoc_info);
 942
 943         return 0;
 944 }
 945
 946 static struct country_code_to_enum_rd *
 947 ath6kl_regd_find_country(u16 countryCode)
 948 {
 949         int i;
 950
 951         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 952                 if (allCountries[i].countryCode == countryCode)
 953                         return &allCountries[i];
 954         }
 955
 956         return NULL;
 957 }
 958
 959 static struct reg_dmn_pair_mapping *
 960 ath6kl_get_regpair(u16 regdmn)
 961 {
 962         int i;
 963
 964         if (regdmn == NO_ENUMRD)
 965                 return NULL;
 966
 967         for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
 968                 if (regDomainPairs[i].reg_domain == regdmn)
 969                         return &regDomainPairs[i];
 970         }
 971
 972         return NULL;
 973 }
 974
 975 static struct country_code_to_enum_rd *
 976 ath6kl_regd_find_country_by_rd(u16 regdmn)
 977 {
 978         int i;
 979
 980         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 981                 if (allCountries[i].regDmnEnum == regdmn)
 982                         return &allCountries[i];
 983         }
 984
 985         return NULL;
 986 }
 987
 988 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 989 {
 990         struct ath6kl_wmi_regdomain *ev;
 991         struct country_code_to_enum_rd *country = NULL;
 992         struct reg_dmn_pair_mapping *regpair = NULL;
 993         char alpha2[2];
 994         u32 reg_code;
 995
 996         ev = (struct ath6kl_wmi_regdomain *) datap;
 997         reg_code = le32_to_cpu(ev->reg_code);
 998
 999         if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG) {
1000                 country = ath6kl_regd_find_country((u16) reg_code);
1001         } else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
1002                 regpair = ath6kl_get_regpair((u16) reg_code);
1003                 country = ath6kl_regd_find_country_by_rd((u16) reg_code);
1004                 if (regpair)
1005                         ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
1006                                    regpair->reg_domain);
1007                 else
1008                         ath6kl_warn("Regpair not found reg_code 0x%0x\n",
1009                                     reg_code);
1010         }
1011
1012         if (country && wmi->parent_dev->wiphy_registered) {
1013                 alpha2[0] = country->isoName[0];
1014                 alpha2[1] = country->isoName[1];
1015
1016                 regulatory_hint(wmi->parent_dev->wiphy, alpha2);
1017
1018                 ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
1019                            alpha2[0], alpha2[1]);
1020         }
1021 }
1022
1023 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
1024                                           struct ath6kl_vif *vif)
1025 {
1026         struct wmi_disconnect_event *ev;
1027         wmi->traffic_class = 100;
1028
1029         if (len < sizeof(struct wmi_disconnect_event))
1030                 return -EINVAL;
1031
1032         ev = (struct wmi_disconnect_event *) datap;
1033
1034         ath6kl_dbg(ATH6KL_DBG_WMI,
1035                    "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
1036                    le16_to_cpu(ev->proto_reason_status), ev->bssid,
1037                    ev->disconn_reason, ev->assoc_resp_len);
1038
1039         wmi->is_wmm_enabled = false;
1040
1041         ath6kl_disconnect_event(vif, ev->disconn_reason,
1042                                 ev->bssid, ev->assoc_resp_len, ev->assoc_info,
1043                                 le16_to_cpu(ev->proto_reason_status));
1044
1045         return 0;
1046 }
1047
1048 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
1049 {
1050         struct wmi_peer_node_event *ev;
1051
1052         if (len < sizeof(struct wmi_peer_node_event))
1053                 return -EINVAL;
1054
1055         ev = (struct wmi_peer_node_event *) datap;
1056
1057         if (ev->event_code == PEER_NODE_JOIN_EVENT)
1058                 ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
1059                            ev->peer_mac_addr);
1060         else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
1061                 ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
1062                            ev->peer_mac_addr);
1063
1064         return 0;
1065 }
1066
1067 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
1068                                            struct ath6kl_vif *vif)
1069 {
1070         struct wmi_tkip_micerr_event *ev;
1071
1072         if (len < sizeof(struct wmi_tkip_micerr_event))
1073                 return -EINVAL;
1074
1075         ev = (struct wmi_tkip_micerr_event *) datap;
1076
1077         ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
1078
1079         return 0;
1080 }
1081
1082 void ath6kl_wmi_sscan_timer(unsigned long ptr)
1083 {
1084         struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
1085
1086         cfg80211_sched_scan_results(vif->ar->wiphy);
1087 }
1088
1089 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
1090                                        struct ath6kl_vif *vif)
1091 {
1092         struct wmi_bss_info_hdr2 *bih;
1093         u8 *buf;
1094         struct ieee80211_channel *channel;
1095         struct ath6kl *ar = wmi->parent_dev;
1096         struct ieee80211_mgmt *mgmt;
1097         struct cfg80211_bss *bss;
1098
1099         if (len <= sizeof(struct wmi_bss_info_hdr2))
1100                 return -EINVAL;
1101
1102         bih = (struct wmi_bss_info_hdr2 *) datap;
1103         buf = datap + sizeof(struct wmi_bss_info_hdr2);
1104         len -= sizeof(struct wmi_bss_info_hdr2);
1105
1106         ath6kl_dbg(ATH6KL_DBG_WMI,
1107                    "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1108                    "frame_type=%d\n",
1109                    bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1110                    bih->frame_type);
1111
1112         if (bih->frame_type != BEACON_FTYPE &&
1113             bih->frame_type != PROBERESP_FTYPE)
1114                 return 0; /* Only update BSS table for now */
1115
1116         if (bih->frame_type == BEACON_FTYPE &&
1117             test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1118                 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1119                 ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1120                                          NONE_BSS_FILTER, 0);
1121         }
1122
1123         channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1124         if (channel == NULL)
1125                 return -EINVAL;
1126
1127         if (len < 8 + 2 + 2)
1128                 return -EINVAL;
1129
1130         if (bih->frame_type == BEACON_FTYPE &&
1131             test_bit(CONNECTED, &vif->flags) &&
1132             memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1133                 const u8 *tim;
1134                 tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1135                                        len - 8 - 2 - 2);
1136                 if (tim && tim[1] >= 2) {
1137                         vif->assoc_bss_dtim_period = tim[3];
1138                         set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1139                 }
1140         }
1141
1142         /*
1143          * In theory, use of cfg80211_inform_bss() would be more natural here
1144          * since we do not have the full frame. However, at least for now,
1145          * cfg80211 can only distinguish Beacon and Probe Response frames from
1146          * each other when using cfg80211_inform_bss_frame(), so let's build a
1147          * fake IEEE 802.11 header to be able to take benefit of this.
1148          */
1149         mgmt = kmalloc(24 + len, GFP_ATOMIC);
1150         if (mgmt == NULL)
1151                 return -EINVAL;
1152
1153         if (bih->frame_type == BEACON_FTYPE) {
1154                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1155                                                   IEEE80211_STYPE_BEACON);
1156                 memset(mgmt->da, 0xff, ETH_ALEN);
1157         } else {
1158                 struct net_device *dev = vif->ndev;
1159
1160                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1161                                                   IEEE80211_STYPE_PROBE_RESP);
1162                 memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
1163         }
1164         mgmt->duration = cpu_to_le16(0);
1165         memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
1166         memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
1167         mgmt->seq_ctrl = cpu_to_le16(0);
1168
1169         memcpy(&mgmt->u.beacon, buf, len);
1170
1171         bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
1172                                         24 + len, (bih->snr - 95) * 100,
1173                                         GFP_ATOMIC);
1174         kfree(mgmt);
1175         if (bss == NULL)
1176                 return -ENOMEM;
1177         cfg80211_put_bss(ar->wiphy, bss);
1178
1179         /*
1180          * Firmware doesn't return any event when scheduled scan has
1181          * finished, so we need to use a timer to find out when there are
1182          * no more results.
1183          *
1184          * The timer is started from the first bss info received, otherwise
1185          * the timer would not ever fire if the scan interval is short
1186          * enough.
1187          */
1188         if (test_bit(SCHED_SCANNING, &vif->flags) &&
1189             !timer_pending(&vif->sched_scan_timer)) {
1190                 mod_timer(&vif->sched_scan_timer, jiffies +
1191                           msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1192         }
1193
1194         return 0;
1195 }
1196
1197 /* Inactivity timeout of a fatpipe(pstream) at the target */
1198 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1199                                                int len)
1200 {
1201         struct wmi_pstream_timeout_event *ev;
1202
1203         if (len < sizeof(struct wmi_pstream_timeout_event))
1204                 return -EINVAL;
1205
1206         ev = (struct wmi_pstream_timeout_event *) datap;
1207
1208         /*
1209          * When the pstream (fat pipe == AC) timesout, it means there were
1210          * no thinStreams within this pstream & it got implicitly created
1211          * due to data flow on this AC. We start the inactivity timer only
1212          * for implicitly created pstream. Just reset the host state.
1213          */
1214         spin_lock_bh(&wmi->lock);
1215         wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1216         wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1217         spin_unlock_bh(&wmi->lock);
1218
1219         /* Indicate inactivity to driver layer for this fatpipe (pstream) */
1220         ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1221
1222         return 0;
1223 }
1224
1225 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1226 {
1227         struct wmi_bit_rate_reply *reply;
1228         s32 rate;
1229         u32 sgi, index;
1230
1231         if (len < sizeof(struct wmi_bit_rate_reply))
1232                 return -EINVAL;
1233
1234         reply = (struct wmi_bit_rate_reply *) datap;
1235
1236         ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1237
1238         if (reply->rate_index == (s8) RATE_AUTO) {
1239                 rate = RATE_AUTO;
1240         } else {
1241                 index = reply->rate_index & 0x7f;
1242                 if (WARN_ON_ONCE(index > (RATE_MCS_7_40 + 1)))
1243                         return -EINVAL;
1244
1245                 sgi = (reply->rate_index & 0x80) ? 1 : 0;
1246                 rate = wmi_rate_tbl[index][sgi];
1247         }
1248
1249         ath6kl_wakeup_event(wmi->parent_dev);
1250
1251         return 0;
1252 }
1253
1254 static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1255 {
1256         ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1257
1258         return 0;
1259 }
1260
1261 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1262 {
1263         if (len < sizeof(struct wmi_fix_rates_reply))
1264                 return -EINVAL;
1265
1266         ath6kl_wakeup_event(wmi->parent_dev);
1267
1268         return 0;
1269 }
1270
1271 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1272 {
1273         if (len < sizeof(struct wmi_channel_list_reply))
1274                 return -EINVAL;
1275
1276         ath6kl_wakeup_event(wmi->parent_dev);
1277
1278         return 0;
1279 }
1280
1281 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1282 {
1283         struct wmi_tx_pwr_reply *reply;
1284
1285         if (len < sizeof(struct wmi_tx_pwr_reply))
1286                 return -EINVAL;
1287
1288         reply = (struct wmi_tx_pwr_reply *) datap;
1289         ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1290
1291         return 0;
1292 }
1293
1294 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1295 {
1296         if (len < sizeof(struct wmi_get_keepalive_cmd))
1297                 return -EINVAL;
1298
1299         ath6kl_wakeup_event(wmi->parent_dev);
1300
1301         return 0;
1302 }
1303
1304 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1305                                        struct ath6kl_vif *vif)
1306 {
1307         struct wmi_scan_complete_event *ev;
1308
1309         ev = (struct wmi_scan_complete_event *) datap;
1310
1311         ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1312         wmi->is_probe_ssid = false;
1313
1314         return 0;
1315 }
1316
1317 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1318                                                int len, struct ath6kl_vif *vif)
1319 {
1320         struct wmi_neighbor_report_event *ev;
1321         u8 i;
1322
1323         if (len < sizeof(*ev))
1324                 return -EINVAL;
1325         ev = (struct wmi_neighbor_report_event *) datap;
1326         if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1327             > len) {
1328                 ath6kl_dbg(ATH6KL_DBG_WMI,
1329                            "truncated neighbor event (num=%d len=%d)\n",
1330                            ev->num_neighbors, len);
1331                 return -EINVAL;
1332         }
1333         for (i = 0; i < ev->num_neighbors; i++) {
1334                 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1335                            i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1336                            ev->neighbor[i].bss_flags);
1337                 cfg80211_pmksa_candidate_notify(vif->ndev, i,
1338                                                 ev->neighbor[i].bssid,
1339                                                 !!(ev->neighbor[i].bss_flags &
1340                                                    WMI_PREAUTH_CAPABLE_BSS),
1341                                                 GFP_ATOMIC);
1342         }
1343
1344         return 0;
1345 }
1346
1347 /*
1348  * Target is reporting a programming error.  This is for
1349  * developer aid only.  Target only checks a few common violations
1350  * and it is responsibility of host to do all error checking.
1351  * Behavior of target after wmi error event is undefined.
1352  * A reset is recommended.
1353  */
1354 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1355 {
1356         const char *type = "unknown error";
1357         struct wmi_cmd_error_event *ev;
1358         ev = (struct wmi_cmd_error_event *) datap;
1359
1360         switch (ev->err_code) {
1361         case INVALID_PARAM:
1362                 type = "invalid parameter";
1363                 break;
1364         case ILLEGAL_STATE:
1365                 type = "invalid state";
1366                 break;
1367         case INTERNAL_ERROR:
1368                 type = "internal error";
1369                 break;
1370         }
1371
1372         ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1373                    ev->cmd_id, type);
1374
1375         return 0;
1376 }
1377
1378 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1379                                      struct ath6kl_vif *vif)
1380 {
1381         ath6kl_tgt_stats_event(vif, datap, len);
1382
1383         return 0;
1384 }
1385
1386 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1387                                          struct sq_threshold_params *sq_thresh,
1388                                          u32 size)
1389 {
1390         u32 index;
1391         u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1392
1393         /* The list is already in sorted order. Get the next lower value */
1394         for (index = 0; index < size; index++) {
1395                 if (rssi < sq_thresh->upper_threshold[index]) {
1396                         threshold = (u8) sq_thresh->upper_threshold[index];
1397                         break;
1398                 }
1399         }
1400
1401         return threshold;
1402 }
1403
1404 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1405                                          struct sq_threshold_params *sq_thresh,
1406                                          u32 size)
1407 {
1408         u32 index;
1409         u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1410
1411         /* The list is already in sorted order. Get the next lower value */
1412         for (index = 0; index < size; index++) {
1413                 if (rssi > sq_thresh->lower_threshold[index]) {
1414                         threshold = (u8) sq_thresh->lower_threshold[index];
1415                         break;
1416                 }
1417         }
1418
1419         return threshold;
1420 }
1421
1422 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1423                         struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1424 {
1425         struct sk_buff *skb;
1426         struct wmi_rssi_threshold_params_cmd *cmd;
1427
1428         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1429         if (!skb)
1430                 return -ENOMEM;
1431
1432         cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1433         memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1434
1435         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1436                                    NO_SYNC_WMIFLAG);
1437 }
1438
1439 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1440                                               int len)
1441 {
1442         struct wmi_rssi_threshold_event *reply;
1443         struct wmi_rssi_threshold_params_cmd cmd;
1444         struct sq_threshold_params *sq_thresh;
1445         enum wmi_rssi_threshold_val new_threshold;
1446         u8 upper_rssi_threshold, lower_rssi_threshold;
1447         s16 rssi;
1448         int ret;
1449
1450         if (len < sizeof(struct wmi_rssi_threshold_event))
1451                 return -EINVAL;
1452
1453         reply = (struct wmi_rssi_threshold_event *) datap;
1454         new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1455         rssi = a_sle16_to_cpu(reply->rssi);
1456
1457         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1458
1459         /*
1460          * Identify the threshold breached and communicate that to the app.
1461          * After that install a new set of thresholds based on the signal
1462          * quality reported by the target
1463          */
1464         if (new_threshold) {
1465                 /* Upper threshold breached */
1466                 if (rssi < sq_thresh->upper_threshold[0]) {
1467                         ath6kl_dbg(ATH6KL_DBG_WMI,
1468                                    "spurious upper rssi threshold event: %d\n",
1469                                    rssi);
1470                 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1471                            (rssi >= sq_thresh->upper_threshold[0])) {
1472                         new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1473                 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1474                            (rssi >= sq_thresh->upper_threshold[1])) {
1475                         new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1476                 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1477                            (rssi >= sq_thresh->upper_threshold[2])) {
1478                         new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1479                 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1480                            (rssi >= sq_thresh->upper_threshold[3])) {
1481                         new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1482                 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1483                            (rssi >= sq_thresh->upper_threshold[4])) {
1484                         new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1485                 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1486                         new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1487                 }
1488         } else {
1489                 /* Lower threshold breached */
1490                 if (rssi > sq_thresh->lower_threshold[0]) {
1491                         ath6kl_dbg(ATH6KL_DBG_WMI,
1492                                    "spurious lower rssi threshold event: %d %d\n",
1493                                 rssi, sq_thresh->lower_threshold[0]);
1494                 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1495                            (rssi <= sq_thresh->lower_threshold[0])) {
1496                         new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1497                 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1498                            (rssi <= sq_thresh->lower_threshold[1])) {
1499                         new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1500                 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1501                            (rssi <= sq_thresh->lower_threshold[2])) {
1502                         new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1503                 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1504                            (rssi <= sq_thresh->lower_threshold[3])) {
1505                         new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1506                 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1507                            (rssi <= sq_thresh->lower_threshold[4])) {
1508                         new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1509                 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1510                         new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1511                 }
1512         }
1513
1514         /* Calculate and install the next set of thresholds */
1515         lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1516                                        sq_thresh->lower_threshold_valid_count);
1517         upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1518                                        sq_thresh->upper_threshold_valid_count);
1519
1520         /* Issue a wmi command to install the thresholds */
1521         cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1522         cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1523         cmd.weight = sq_thresh->weight;
1524         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1525
1526         ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1527         if (ret) {
1528                 ath6kl_err("unable to configure rssi thresholds\n");
1529                 return -EIO;
1530         }
1531
1532         return 0;
1533 }
1534
1535 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1536                                    struct ath6kl_vif *vif)
1537 {
1538         struct wmi_cac_event *reply;
1539         struct ieee80211_tspec_ie *ts;
1540         u16 active_tsids, tsinfo;
1541         u8 tsid, index;
1542         u8 ts_id;
1543
1544         if (len < sizeof(struct wmi_cac_event))
1545                 return -EINVAL;
1546
1547         reply = (struct wmi_cac_event *) datap;
1548
1549         if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1550             (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1551                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1552                 tsinfo = le16_to_cpu(ts->tsinfo);
1553                 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1554                         IEEE80211_WMM_IE_TSPEC_TID_MASK;
1555
1556                 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1557                                               reply->ac, tsid);
1558         } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1559                 /*
1560                  * Following assumes that there is only one outstanding
1561                  * ADDTS request when this event is received
1562                  */
1563                 spin_lock_bh(&wmi->lock);
1564                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1565                 spin_unlock_bh(&wmi->lock);
1566
1567                 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1568                         if ((active_tsids >> index) & 1)
1569                                 break;
1570                 }
1571                 if (index < (sizeof(active_tsids) * 8))
1572                         ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1573                                                       reply->ac, index);
1574         }
1575
1576         /*
1577          * Clear active tsids and Add missing handling
1578          * for delete qos stream from AP
1579          */
1580         else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1581                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1582                 tsinfo = le16_to_cpu(ts->tsinfo);
1583                 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1584                          IEEE80211_WMM_IE_TSPEC_TID_MASK);
1585
1586                 spin_lock_bh(&wmi->lock);
1587                 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1588                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1589                 spin_unlock_bh(&wmi->lock);
1590
1591                 /* Indicate stream inactivity to driver layer only if all tsids
1592                  * within this AC are deleted.
1593                  */
1594                 if (!active_tsids) {
1595                         ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1596                                                     false);
1597                         wmi->fat_pipe_exist &= ~(1 << reply->ac);
1598                 }
1599         }
1600
1601         return 0;
1602 }
1603
1604 static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,
1605                                           struct ath6kl_vif *vif)
1606 {
1607         struct wmi_txe_notify_event *ev;
1608         u32 rate, pkts;
1609
1610         if (len < sizeof(*ev))
1611                 return -EINVAL;
1612
1613         if (vif->sme_state != SME_CONNECTED)
1614                 return -ENOTCONN;
1615
1616         ev = (struct wmi_txe_notify_event *) datap;
1617         rate = le32_to_cpu(ev->rate);
1618         pkts = le32_to_cpu(ev->pkts);
1619
1620         ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d% pkts %d intvl %ds\n",
1621                    vif->bssid, rate, pkts, vif->txe_intvl);
1622
1623         cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,
1624                                 rate, vif->txe_intvl, GFP_KERNEL);
1625
1626         return 0;
1627 }
1628
1629 int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
1630                               u32 rate, u32 pkts, u32 intvl)
1631 {
1632         struct sk_buff *skb;
1633         struct wmi_txe_notify_cmd *cmd;
1634
1635         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1636         if (!skb)
1637                 return -ENOMEM;
1638
1639         cmd = (struct wmi_txe_notify_cmd *) skb->data;
1640         cmd->rate = cpu_to_le32(rate);
1641         cmd->pkts = cpu_to_le32(pkts);
1642         cmd->intvl = cpu_to_le32(intvl);
1643
1644         return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,
1645                                    NO_SYNC_WMIFLAG);
1646 }
1647
1648 int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
1649 {
1650         struct sk_buff *skb;
1651         struct wmi_set_rssi_filter_cmd *cmd;
1652         int ret;
1653
1654         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1655         if (!skb)
1656                 return -ENOMEM;
1657
1658         cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
1659         cmd->rssi = rssi;
1660
1661         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,
1662                                   NO_SYNC_WMIFLAG);
1663         return ret;
1664 }
1665
1666 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1667                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1668 {
1669         struct sk_buff *skb;
1670         struct wmi_snr_threshold_params_cmd *cmd;
1671
1672         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1673         if (!skb)
1674                 return -ENOMEM;
1675
1676         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1677         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1678
1679         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1680                                    NO_SYNC_WMIFLAG);
1681 }
1682
1683 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1684                                              int len)
1685 {
1686         struct wmi_snr_threshold_event *reply;
1687         struct sq_threshold_params *sq_thresh;
1688         struct wmi_snr_threshold_params_cmd cmd;
1689         enum wmi_snr_threshold_val new_threshold;
1690         u8 upper_snr_threshold, lower_snr_threshold;
1691         s16 snr;
1692         int ret;
1693
1694         if (len < sizeof(struct wmi_snr_threshold_event))
1695                 return -EINVAL;
1696
1697         reply = (struct wmi_snr_threshold_event *) datap;
1698
1699         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1700         snr = reply->snr;
1701
1702         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1703
1704         /*
1705          * Identify the threshold breached and communicate that to the app.
1706          * After that install a new set of thresholds based on the signal
1707          * quality reported by the target.
1708          */
1709         if (new_threshold) {
1710                 /* Upper threshold breached */
1711                 if (snr < sq_thresh->upper_threshold[0]) {
1712                         ath6kl_dbg(ATH6KL_DBG_WMI,
1713                                    "spurious upper snr threshold event: %d\n",
1714                                    snr);
1715                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1716                            (snr >= sq_thresh->upper_threshold[0])) {
1717                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1718                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1719                            (snr >= sq_thresh->upper_threshold[1])) {
1720                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1721                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1722                            (snr >= sq_thresh->upper_threshold[2])) {
1723                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1724                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1725                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1726                 }
1727         } else {
1728                 /* Lower threshold breached */
1729                 if (snr > sq_thresh->lower_threshold[0]) {
1730                         ath6kl_dbg(ATH6KL_DBG_WMI,
1731                                    "spurious lower snr threshold event: %d\n",
1732                                    sq_thresh->lower_threshold[0]);
1733                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1734                            (snr <= sq_thresh->lower_threshold[0])) {
1735                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1736                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1737                            (snr <= sq_thresh->lower_threshold[1])) {
1738                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1739                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1740                            (snr <= sq_thresh->lower_threshold[2])) {
1741                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1742                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1743                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1744                 }
1745         }
1746
1747         /* Calculate and install the next set of thresholds */
1748         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1749                                        sq_thresh->lower_threshold_valid_count);
1750         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1751                                        sq_thresh->upper_threshold_valid_count);
1752
1753         /* Issue a wmi command to install the thresholds */
1754         cmd.thresh_above1_val = upper_snr_threshold;
1755         cmd.thresh_below1_val = lower_snr_threshold;
1756         cmd.weight = sq_thresh->weight;
1757         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1758
1759         ath6kl_dbg(ATH6KL_DBG_WMI,
1760                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1761                    snr, new_threshold,
1762                    lower_snr_threshold, upper_snr_threshold);
1763
1764         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1765         if (ret) {
1766                 ath6kl_err("unable to configure snr threshold\n");
1767                 return -EIO;
1768         }
1769
1770         return 0;
1771 }
1772
1773 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1774 {
1775         u16 ap_info_entry_size;
1776         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1777         struct wmi_ap_info_v1 *ap_info_v1;
1778         u8 index;
1779
1780         if (len < sizeof(struct wmi_aplist_event) ||
1781             ev->ap_list_ver != APLIST_VER1)
1782                 return -EINVAL;
1783
1784         ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1785         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1786
1787         ath6kl_dbg(ATH6KL_DBG_WMI,
1788                    "number of APs in aplist event: %d\n", ev->num_ap);
1789
1790         if (len < (int) (sizeof(struct wmi_aplist_event) +
1791                          (ev->num_ap - 1) * ap_info_entry_size))
1792                 return -EINVAL;
1793
1794         /* AP list version 1 contents */
1795         for (index = 0; index < ev->num_ap; index++) {
1796                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1797                            index, ap_info_v1->bssid, ap_info_v1->channel);
1798                 ap_info_v1++;
1799         }
1800
1801         return 0;
1802 }
1803
1804 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1805                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1806 {
1807         struct wmi_cmd_hdr *cmd_hdr;
1808         enum htc_endpoint_id ep_id = wmi->ep_id;
1809         int ret;
1810         u16 info1;
1811
1812         if (WARN_ON(skb == NULL ||
1813                     (if_idx > (wmi->parent_dev->vif_max - 1)))) {
1814                 dev_kfree_skb(skb);
1815                 return -EINVAL;
1816         }
1817
1818         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1819                    cmd_id, skb->len, sync_flag);
1820         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1821                         skb->data, skb->len);
1822
1823         if (sync_flag >= END_WMIFLAG) {
1824                 dev_kfree_skb(skb);
1825                 return -EINVAL;
1826         }
1827
1828         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1829             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1830                 /*
1831                  * Make sure all data currently queued is transmitted before
1832                  * the cmd execution.  Establish a new sync point.
1833                  */
1834                 ath6kl_wmi_sync_point(wmi, if_idx);
1835         }
1836
1837         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1838
1839         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1840         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1841         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1842         cmd_hdr->info1 = cpu_to_le16(info1);
1843
1844         /* Only for OPT_TX_CMD, use BE endpoint. */
1845         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1846                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1847                                               false, false, 0, NULL, if_idx);
1848                 if (ret) {
1849                         dev_kfree_skb(skb);
1850                         return ret;
1851                 }
1852                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1853         }
1854
1855         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1856
1857         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1858             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1859                 /*
1860                  * Make sure all new data queued waits for the command to
1861                  * execute. Establish a new sync point.
1862                  */
1863                 ath6kl_wmi_sync_point(wmi, if_idx);
1864         }
1865
1866         return 0;
1867 }
1868
1869 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1870                            enum network_type nw_type,
1871                            enum dot11_auth_mode dot11_auth_mode,
1872                            enum auth_mode auth_mode,
1873                            enum crypto_type pairwise_crypto,
1874                            u8 pairwise_crypto_len,
1875                            enum crypto_type group_crypto,
1876                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1877                            u8 *bssid, u16 channel, u32 ctrl_flags,
1878                            u8 nw_subtype)
1879 {
1880         struct sk_buff *skb;
1881         struct wmi_connect_cmd *cc;
1882         int ret;
1883
1884         ath6kl_dbg(ATH6KL_DBG_WMI,
1885                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1886                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1887                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1888                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1889         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1890
1891         wmi->traffic_class = 100;
1892
1893         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1894                 return -EINVAL;
1895
1896         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1897                 return -EINVAL;
1898
1899         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1900         if (!skb)
1901                 return -ENOMEM;
1902
1903         cc = (struct wmi_connect_cmd *) skb->data;
1904
1905         if (ssid_len)
1906                 memcpy(cc->ssid, ssid, ssid_len);
1907
1908         cc->ssid_len = ssid_len;
1909         cc->nw_type = nw_type;
1910         cc->dot11_auth_mode = dot11_auth_mode;
1911         cc->auth_mode = auth_mode;
1912         cc->prwise_crypto_type = pairwise_crypto;
1913         cc->prwise_crypto_len = pairwise_crypto_len;
1914         cc->grp_crypto_type = group_crypto;
1915         cc->grp_crypto_len = group_crypto_len;
1916         cc->ch = cpu_to_le16(channel);
1917         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1918         cc->nw_subtype = nw_subtype;
1919
1920         if (bssid != NULL)
1921                 memcpy(cc->bssid, bssid, ETH_ALEN);
1922
1923         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1924                                   NO_SYNC_WMIFLAG);
1925
1926         return ret;
1927 }
1928
1929 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1930                              u16 channel)
1931 {
1932         struct sk_buff *skb;
1933         struct wmi_reconnect_cmd *cc;
1934         int ret;
1935
1936         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1937                    bssid, channel);
1938
1939         wmi->traffic_class = 100;
1940
1941         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1942         if (!skb)
1943                 return -ENOMEM;
1944
1945         cc = (struct wmi_reconnect_cmd *) skb->data;
1946         cc->channel = cpu_to_le16(channel);
1947
1948         if (bssid != NULL)
1949                 memcpy(cc->bssid, bssid, ETH_ALEN);
1950
1951         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1952                                   NO_SYNC_WMIFLAG);
1953
1954         return ret;
1955 }
1956
1957 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1958 {
1959         int ret;
1960
1961         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1962
1963         wmi->traffic_class = 100;
1964
1965         /* Disconnect command does not need to do a SYNC before. */
1966         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1967
1968         return ret;
1969 }
1970
1971 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1972  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1973  * mgmt operations using station interface.
1974  */
1975 static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1976                                     enum wmi_scan_type scan_type,
1977                                     u32 force_fgscan, u32 is_legacy,
1978                                     u32 home_dwell_time,
1979                                     u32 force_scan_interval,
1980                                     s8 num_chan, u16 *ch_list)
1981 {
1982         struct sk_buff *skb;
1983         struct wmi_start_scan_cmd *sc;
1984         s8 size;
1985         int i, ret;
1986
1987         size = sizeof(struct wmi_start_scan_cmd);
1988
1989         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1990                 return -EINVAL;
1991
1992         if (num_chan > WMI_MAX_CHANNELS)
1993                 return -EINVAL;
1994
1995         if (num_chan)
1996                 size += sizeof(u16) * (num_chan - 1);
1997
1998         skb = ath6kl_wmi_get_new_buf(size);
1999         if (!skb)
2000                 return -ENOMEM;
2001
2002         sc = (struct wmi_start_scan_cmd *) skb->data;
2003         sc->scan_type = scan_type;
2004         sc->force_fg_scan = cpu_to_le32(force_fgscan);
2005         sc->is_legacy = cpu_to_le32(is_legacy);
2006         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
2007         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
2008         sc->num_ch = num_chan;
2009
2010         for (i = 0; i < num_chan; i++)
2011                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2012
2013         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
2014                                   NO_SYNC_WMIFLAG);
2015
2016         return ret;
2017 }
2018
2019 /*
2020  * beginscan supports (compared to old startscan) P2P mgmt operations using
2021  * station interface, send additional information like supported rates to
2022  * advertise and xmit rates for probe requests
2023  */
2024 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
2025                              enum wmi_scan_type scan_type,
2026                              u32 force_fgscan, u32 is_legacy,
2027                              u32 home_dwell_time, u32 force_scan_interval,
2028                              s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
2029 {
2030         struct ieee80211_supported_band *sband;
2031         struct sk_buff *skb;
2032         struct wmi_begin_scan_cmd *sc;
2033         s8 size, *supp_rates;
2034         int i, band, ret;
2035         struct ath6kl *ar = wmi->parent_dev;
2036         int num_rates;
2037         u32 ratemask;
2038
2039         if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
2040                       ar->fw_capabilities)) {
2041                 return ath6kl_wmi_startscan_cmd(wmi, if_idx,
2042                                                 scan_type, force_fgscan,
2043                                                 is_legacy, home_dwell_time,
2044                                                 force_scan_interval,
2045                                                 num_chan, ch_list);
2046         }
2047
2048         size = sizeof(struct wmi_begin_scan_cmd);
2049
2050         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
2051                 return -EINVAL;
2052
2053         if (num_chan > WMI_MAX_CHANNELS)
2054                 return -EINVAL;
2055
2056         if (num_chan)
2057                 size += sizeof(u16) * (num_chan - 1);
2058
2059         skb = ath6kl_wmi_get_new_buf(size);
2060         if (!skb)
2061                 return -ENOMEM;
2062
2063         sc = (struct wmi_begin_scan_cmd *) skb->data;
2064         sc->scan_type = scan_type;
2065         sc->force_fg_scan = cpu_to_le32(force_fgscan);
2066         sc->is_legacy = cpu_to_le32(is_legacy);
2067         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
2068         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
2069         sc->no_cck = cpu_to_le32(no_cck);
2070         sc->num_ch = num_chan;
2071
2072         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2073                 sband = ar->wiphy->bands[band];
2074
2075                 if (!sband)
2076                         continue;
2077
2078                 if (WARN_ON(band >= ATH6KL_NUM_BANDS))
2079                         break;
2080
2081                 ratemask = rates[band];
2082                 supp_rates = sc->supp_rates[band].rates;
2083                 num_rates = 0;
2084
2085                 for (i = 0; i < sband->n_bitrates; i++) {
2086                         if ((BIT(i) & ratemask) == 0)
2087                                 continue; /* skip rate */
2088                         supp_rates[num_rates++] =
2089                             (u8) (sband->bitrates[i].bitrate / 5);
2090                 }
2091                 sc->supp_rates[band].nrates = num_rates;
2092         }
2093
2094         for (i = 0; i < num_chan; i++)
2095                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2096
2097         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
2098                                   NO_SYNC_WMIFLAG);
2099
2100         return ret;
2101 }
2102
2103 int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2104 {
2105         struct sk_buff *skb;
2106         struct wmi_enable_sched_scan_cmd *sc;
2107         int ret;
2108
2109         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2110         if (!skb)
2111                 return -ENOMEM;
2112
2113         ath6kl_dbg(ATH6KL_DBG_WMI, "%s scheduled scan on vif %d\n",
2114                    enable ? "enabling" : "disabling", if_idx);
2115         sc = (struct wmi_enable_sched_scan_cmd *) skb->data;
2116         sc->enable = enable ? 1 : 0;
2117
2118         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2119                                   WMI_ENABLE_SCHED_SCAN_CMDID,
2120                                   NO_SYNC_WMIFLAG);
2121         return ret;
2122 }
2123
2124 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
2125                               u16 fg_start_sec,
2126                               u16 fg_end_sec, u16 bg_sec,
2127                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
2128                               u16 pas_chdw_msec, u8 short_scan_ratio,
2129                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
2130                               u16 maxact_scan_per_ssid)
2131 {
2132         struct sk_buff *skb;
2133         struct wmi_scan_params_cmd *sc;
2134         int ret;
2135
2136         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2137         if (!skb)
2138                 return -ENOMEM;
2139
2140         sc = (struct wmi_scan_params_cmd *) skb->data;
2141         sc->fg_start_period = cpu_to_le16(fg_start_sec);
2142         sc->fg_end_period = cpu_to_le16(fg_end_sec);
2143         sc->bg_period = cpu_to_le16(bg_sec);
2144         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
2145         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
2146         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
2147         sc->short_scan_ratio = short_scan_ratio;
2148         sc->scan_ctrl_flags = scan_ctrl_flag;
2149         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
2150         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
2151
2152         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
2153                                   NO_SYNC_WMIFLAG);
2154         return ret;
2155 }
2156
2157 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
2158 {
2159         struct sk_buff *skb;
2160         struct wmi_bss_filter_cmd *cmd;
2161         int ret;
2162
2163         if (filter >= LAST_BSS_FILTER)
2164                 return -EINVAL;
2165
2166         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2167         if (!skb)
2168                 return -ENOMEM;
2169
2170         cmd = (struct wmi_bss_filter_cmd *) skb->data;
2171         cmd->bss_filter = filter;
2172         cmd->ie_mask = cpu_to_le32(ie_mask);
2173
2174         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
2175                                   NO_SYNC_WMIFLAG);
2176         return ret;
2177 }
2178
2179 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2180                               u8 ssid_len, u8 *ssid)
2181 {
2182         struct sk_buff *skb;
2183         struct wmi_probed_ssid_cmd *cmd;
2184         int ret;
2185
2186         if (index >= MAX_PROBED_SSIDS)
2187                 return -EINVAL;
2188
2189         if (ssid_len > sizeof(cmd->ssid))
2190                 return -EINVAL;
2191
2192         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2193                 return -EINVAL;
2194
2195         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2196                 return -EINVAL;
2197
2198         if (flag & SPECIFIC_SSID_FLAG)
2199                 wmi->is_probe_ssid = true;
2200
2201         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2202         if (!skb)
2203                 return -ENOMEM;
2204
2205         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2206         cmd->entry_index = index;
2207         cmd->flag = flag;
2208         cmd->ssid_len = ssid_len;
2209         memcpy(cmd->ssid, ssid, ssid_len);
2210
2211         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2212                                   NO_SYNC_WMIFLAG);
2213         return ret;
2214 }
2215
2216 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2217                                   u16 listen_interval,
2218                                   u16 listen_beacons)
2219 {
2220         struct sk_buff *skb;
2221         struct wmi_listen_int_cmd *cmd;
2222         int ret;
2223
2224         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2225         if (!skb)
2226                 return -ENOMEM;
2227
2228         cmd = (struct wmi_listen_int_cmd *) skb->data;
2229         cmd->listen_intvl = cpu_to_le16(listen_interval);
2230         cmd->num_beacons = cpu_to_le16(listen_beacons);
2231
2232         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2233                                   NO_SYNC_WMIFLAG);
2234         return ret;
2235 }
2236
2237 int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2238                              u16 bmiss_time, u16 num_beacons)
2239 {
2240         struct sk_buff *skb;
2241         struct wmi_bmiss_time_cmd *cmd;
2242         int ret;
2243
2244         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2245         if (!skb)
2246                 return -ENOMEM;
2247
2248         cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2249         cmd->bmiss_time = cpu_to_le16(bmiss_time);
2250         cmd->num_beacons = cpu_to_le16(num_beacons);
2251
2252         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2253                                   NO_SYNC_WMIFLAG);
2254         return ret;
2255 }
2256
2257 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2258 {
2259         struct sk_buff *skb;
2260         struct wmi_power_mode_cmd *cmd;
2261         int ret;
2262
2263         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2264         if (!skb)
2265                 return -ENOMEM;
2266
2267         cmd = (struct wmi_power_mode_cmd *) skb->data;
2268         cmd->pwr_mode = pwr_mode;
2269         wmi->pwr_mode = pwr_mode;
2270
2271         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2272                                   NO_SYNC_WMIFLAG);
2273         return ret;
2274 }
2275
2276 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2277                             u16 ps_poll_num, u16 dtim_policy,
2278                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2279                             u16 ps_fail_event_policy)
2280 {
2281         struct sk_buff *skb;
2282         struct wmi_power_params_cmd *pm;
2283         int ret;
2284
2285         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2286         if (!skb)
2287                 return -ENOMEM;
2288
2289         pm = (struct wmi_power_params_cmd *)skb->data;
2290         pm->idle_period = cpu_to_le16(idle_period);
2291         pm->pspoll_number = cpu_to_le16(ps_poll_num);
2292         pm->dtim_policy = cpu_to_le16(dtim_policy);
2293         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2294         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2295         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2296
2297         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2298                                   NO_SYNC_WMIFLAG);
2299         return ret;
2300 }
2301
2302 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2303 {
2304         struct sk_buff *skb;
2305         struct wmi_disc_timeout_cmd *cmd;
2306         int ret;
2307
2308         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2309         if (!skb)
2310                 return -ENOMEM;
2311
2312         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2313         cmd->discon_timeout = timeout;
2314
2315         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2316                                   NO_SYNC_WMIFLAG);
2317
2318         if (ret == 0)
2319                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2320
2321         return ret;
2322 }
2323
2324 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2325                           enum crypto_type key_type,
2326                           u8 key_usage, u8 key_len,
2327                           u8 *key_rsc, unsigned int key_rsc_len,
2328                           u8 *key_material,
2329                           u8 key_op_ctrl, u8 *mac_addr,
2330                           enum wmi_sync_flag sync_flag)
2331 {
2332         struct sk_buff *skb;
2333         struct wmi_add_cipher_key_cmd *cmd;
2334         int ret;
2335
2336         ath6kl_dbg(ATH6KL_DBG_WMI,
2337                    "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2338                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2339
2340         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2341             (key_material == NULL) || key_rsc_len > 8)
2342                 return -EINVAL;
2343
2344         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2345                 return -EINVAL;
2346
2347         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2348         if (!skb)
2349                 return -ENOMEM;
2350
2351         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2352         cmd->key_index = key_index;
2353         cmd->key_type = key_type;
2354         cmd->key_usage = key_usage;
2355         cmd->key_len = key_len;
2356         memcpy(cmd->key, key_material, key_len);
2357
2358         if (key_rsc != NULL)
2359                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2360
2361         cmd->key_op_ctrl = key_op_ctrl;
2362
2363         if (mac_addr)
2364                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2365
2366         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2367                                   sync_flag);
2368
2369         return ret;
2370 }
2371
2372 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, const u8 *krk)
2373 {
2374         struct sk_buff *skb;
2375         struct wmi_add_krk_cmd *cmd;
2376         int ret;
2377
2378         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2379         if (!skb)
2380                 return -ENOMEM;
2381
2382         cmd = (struct wmi_add_krk_cmd *) skb->data;
2383         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2384
2385         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2386                                   NO_SYNC_WMIFLAG);
2387
2388         return ret;
2389 }
2390
2391 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2392 {
2393         struct sk_buff *skb;
2394         struct wmi_delete_cipher_key_cmd *cmd;
2395         int ret;
2396
2397         if (key_index > WMI_MAX_KEY_INDEX)
2398                 return -EINVAL;
2399
2400         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2401         if (!skb)
2402                 return -ENOMEM;
2403
2404         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2405         cmd->key_index = key_index;
2406
2407         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2408                                   NO_SYNC_WMIFLAG);
2409
2410         return ret;
2411 }
2412
2413 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2414                             const u8 *pmkid, bool set)
2415 {
2416         struct sk_buff *skb;
2417         struct wmi_setpmkid_cmd *cmd;
2418         int ret;
2419
2420         if (bssid == NULL)
2421                 return -EINVAL;
2422
2423         if (set && pmkid == NULL)
2424                 return -EINVAL;
2425
2426         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2427         if (!skb)
2428                 return -ENOMEM;
2429
2430         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2431         memcpy(cmd->bssid, bssid, ETH_ALEN);
2432         if (set) {
2433                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2434                 cmd->enable = PMKID_ENABLE;
2435         } else {
2436                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2437                 cmd->enable = PMKID_DISABLE;
2438         }
2439
2440         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2441                                   NO_SYNC_WMIFLAG);
2442
2443         return ret;
2444 }
2445
2446 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2447                               enum htc_endpoint_id ep_id, u8 if_idx)
2448 {
2449         struct wmi_data_hdr *data_hdr;
2450         int ret;
2451
2452         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {
2453                 dev_kfree_skb(skb);
2454                 return -EINVAL;
2455         }
2456
2457         skb_push(skb, sizeof(struct wmi_data_hdr));
2458
2459         data_hdr = (struct wmi_data_hdr *) skb->data;
2460         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2461         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2462
2463         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2464
2465         return ret;
2466 }
2467
2468 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2469 {
2470         struct sk_buff *skb;
2471         struct wmi_sync_cmd *cmd;
2472         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2473         enum htc_endpoint_id ep_id;
2474         u8 index, num_pri_streams = 0;
2475         int ret = 0;
2476
2477         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2478
2479         spin_lock_bh(&wmi->lock);
2480
2481         for (index = 0; index < WMM_NUM_AC; index++) {
2482                 if (wmi->fat_pipe_exist & (1 << index)) {
2483                         num_pri_streams++;
2484                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2485                             index;
2486                 }
2487         }
2488
2489         spin_unlock_bh(&wmi->lock);
2490
2491         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2492         if (!skb)
2493                 return -ENOMEM;
2494
2495         cmd = (struct wmi_sync_cmd *) skb->data;
2496
2497         /*
2498          * In the SYNC cmd sent on the control Ep, send a bitmap
2499          * of the data eps on which the Data Sync will be sent
2500          */
2501         cmd->data_sync_map = wmi->fat_pipe_exist;
2502
2503         for (index = 0; index < num_pri_streams; index++) {
2504                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2505                 if (data_sync_bufs[index].skb == NULL) {
2506                         ret = -ENOMEM;
2507                         break;
2508                 }
2509         }
2510
2511         /*
2512          * If buffer allocation for any of the dataSync fails,
2513          * then do not send the Synchronize cmd on the control ep
2514          */
2515         if (ret)
2516                 goto free_cmd_skb;
2517
2518         /*
2519          * Send sync cmd followed by sync data messages on all
2520          * endpoints being used
2521          */
2522         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2523                                   NO_SYNC_WMIFLAG);
2524
2525         if (ret)
2526                 goto free_data_skb;
2527
2528         for (index = 0; index < num_pri_streams; index++) {
2529                 if (WARN_ON(!data_sync_bufs[index].skb))
2530                         goto free_data_skb;
2531
2532                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2533                                                data_sync_bufs[index].
2534                                                traffic_class);
2535                 ret =
2536                     ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2537                                               ep_id, if_idx);
2538
2539                 data_sync_bufs[index].skb = NULL;
2540
2541                 if (ret)
2542                         goto free_data_skb;
2543         }
2544
2545         return 0;
2546
2547 free_cmd_skb:
2548         /* free up any resources left over (possibly due to an error) */
2549         dev_kfree_skb(skb);
2550
2551 free_data_skb:
2552         for (index = 0; index < num_pri_streams; index++)
2553                 dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].skb);
2554
2555         return ret;
2556 }
2557
2558 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2559                                   struct wmi_create_pstream_cmd *params)
2560 {
2561         struct sk_buff *skb;
2562         struct wmi_create_pstream_cmd *cmd;
2563         u8 fatpipe_exist_for_ac = 0;
2564         s32 min_phy = 0;
2565         s32 nominal_phy = 0;
2566         int ret;
2567
2568         if (!((params->user_pri < 8) &&
2569               (params->user_pri <= 0x7) &&
2570               (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2571               (params->traffic_direc == UPLINK_TRAFFIC ||
2572                params->traffic_direc == DNLINK_TRAFFIC ||
2573                params->traffic_direc == BIDIR_TRAFFIC) &&
2574               (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2575                params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2576               (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2577                params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2578                params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2579               (params->tsid == WMI_IMPLICIT_PSTREAM ||
2580                params->tsid <= WMI_MAX_THINSTREAM))) {
2581                 return -EINVAL;
2582         }
2583
2584         /*
2585          * Check nominal PHY rate is >= minimalPHY,
2586          * so that DUT can allow TSRS IE
2587          */
2588
2589         /* Get the physical rate (units of bps) */
2590         min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2591
2592         /* Check minimal phy < nominal phy rate */
2593         if (params->nominal_phy >= min_phy) {
2594                 /* unit of 500 kbps */
2595                 nominal_phy = (params->nominal_phy * 1000) / 500;
2596                 ath6kl_dbg(ATH6KL_DBG_WMI,
2597                            "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2598                            min_phy, nominal_phy);
2599
2600                 params->nominal_phy = nominal_phy;
2601         } else {
2602                 params->nominal_phy = 0;
2603         }
2604
2605         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2606         if (!skb)
2607                 return -ENOMEM;
2608
2609         ath6kl_dbg(ATH6KL_DBG_WMI,
2610                    "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2611                    params->traffic_class, params->tsid);
2612
2613         cmd = (struct wmi_create_pstream_cmd *) skb->data;
2614         memcpy(cmd, params, sizeof(*cmd));
2615
2616         /* This is an implicitly created Fat pipe */
2617         if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2618                 spin_lock_bh(&wmi->lock);
2619                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2620                                         (1 << params->traffic_class));
2621                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2622                 spin_unlock_bh(&wmi->lock);
2623         } else {
2624                 /* explicitly created thin stream within a fat pipe */
2625                 spin_lock_bh(&wmi->lock);
2626                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2627                                         (1 << params->traffic_class));
2628                 wmi->stream_exist_for_ac[params->traffic_class] |=
2629                     (1 << params->tsid);
2630                 /*
2631                  * If a thinstream becomes active, the fat pipe automatically
2632                  * becomes active
2633                  */
2634                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2635                 spin_unlock_bh(&wmi->lock);
2636         }
2637
2638         /*
2639          * Indicate activty change to driver layer only if this is the
2640          * first TSID to get created in this AC explicitly or an implicit
2641          * fat pipe is getting created.
2642          */
2643         if (!fatpipe_exist_for_ac)
2644                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2645                                             params->traffic_class, true);
2646
2647         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2648                                   NO_SYNC_WMIFLAG);
2649         return ret;
2650 }
2651
2652 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2653                                   u8 tsid)
2654 {
2655         struct sk_buff *skb;
2656         struct wmi_delete_pstream_cmd *cmd;
2657         u16 active_tsids = 0;
2658         int ret;
2659
2660         if (traffic_class > 3) {
2661                 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2662                 return -EINVAL;
2663         }
2664
2665         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2666         if (!skb)
2667                 return -ENOMEM;
2668
2669         cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2670         cmd->traffic_class = traffic_class;
2671         cmd->tsid = tsid;
2672
2673         spin_lock_bh(&wmi->lock);
2674         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2675         spin_unlock_bh(&wmi->lock);
2676
2677         if (!(active_tsids & (1 << tsid))) {
2678                 dev_kfree_skb(skb);
2679                 ath6kl_dbg(ATH6KL_DBG_WMI,
2680                            "TSID %d doesn't exist for traffic class: %d\n",
2681                            tsid, traffic_class);
2682                 return -ENODATA;
2683         }
2684
2685         ath6kl_dbg(ATH6KL_DBG_WMI,
2686                    "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2687                    traffic_class, tsid);
2688
2689         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2690                                   SYNC_BEFORE_WMIFLAG);
2691
2692         spin_lock_bh(&wmi->lock);
2693         wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2694         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2695         spin_unlock_bh(&wmi->lock);
2696
2697         /*
2698          * Indicate stream inactivity to driver layer only if all tsids
2699          * within this AC are deleted.
2700          */
2701         if (!active_tsids) {
2702                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2703                                             traffic_class, false);
2704                 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2705         }
2706
2707         return ret;
2708 }
2709
2710 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2711                           __be32 ips0, __be32 ips1)
2712 {
2713         struct sk_buff *skb;
2714         struct wmi_set_ip_cmd *cmd;
2715         int ret;
2716
2717         /* Multicast address are not valid */
2718         if (ipv4_is_multicast(ips0) ||
2719             ipv4_is_multicast(ips1))
2720                 return -EINVAL;
2721
2722         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2723         if (!skb)
2724                 return -ENOMEM;
2725
2726         cmd = (struct wmi_set_ip_cmd *) skb->data;
2727         cmd->ips[0] = ips0;
2728         cmd->ips[1] = ips1;
2729
2730         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2731                                   NO_SYNC_WMIFLAG);
2732         return ret;
2733 }
2734
2735 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2736 {
2737         u16 active_tsids;
2738         u8 stream_exist;
2739         int i;
2740
2741         /*
2742          * Relinquish credits from all implicitly created pstreams
2743          * since when we go to sleep. If user created explicit
2744          * thinstreams exists with in a fatpipe leave them intact
2745          * for the user to delete.
2746          */
2747         spin_lock_bh(&wmi->lock);
2748         stream_exist = wmi->fat_pipe_exist;
2749         spin_unlock_bh(&wmi->lock);
2750
2751         for (i = 0; i < WMM_NUM_AC; i++) {
2752                 if (stream_exist & (1 << i)) {
2753                         /*
2754                          * FIXME: Is this lock & unlock inside
2755                          * for loop correct? may need rework.
2756                          */
2757                         spin_lock_bh(&wmi->lock);
2758                         active_tsids = wmi->stream_exist_for_ac[i];
2759                         spin_unlock_bh(&wmi->lock);
2760
2761                         /*
2762                          * If there are no user created thin streams
2763                          * delete the fatpipe
2764                          */
2765                         if (!active_tsids) {
2766                                 stream_exist &= ~(1 << i);
2767                                 /*
2768                                  * Indicate inactivity to driver layer for
2769                                  * this fatpipe (pstream)
2770                                  */
2771                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2772                                                             i, false);
2773                         }
2774                 }
2775         }
2776
2777         /* FIXME: Can we do this assignment without locking ? */
2778         spin_lock_bh(&wmi->lock);
2779         wmi->fat_pipe_exist = stream_exist;
2780         spin_unlock_bh(&wmi->lock);
2781 }
2782
2783 static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2784                                      const struct cfg80211_bitrate_mask *mask)
2785 {
2786         struct sk_buff *skb;
2787         int ret, mode, band;
2788         u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2789         struct wmi_set_tx_select_rates64_cmd *cmd;
2790
2791         memset(&ratemask, 0, sizeof(ratemask));
2792
2793         /* only check 2.4 and 5 GHz bands, skip the rest */
2794         for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2795                 /* copy legacy rate mask */
2796                 ratemask[band] = mask->control[band].legacy;
2797                 if (band == IEEE80211_BAND_5GHZ)
2798                         ratemask[band] =
2799                                 mask->control[band].legacy << 4;
2800
2801                 /* copy mcs rate mask */
2802                 mcsrate = mask->control[band].ht_mcs[1];
2803                 mcsrate <<= 8;
2804                 mcsrate |= mask->control[band].ht_mcs[0];
2805                 ratemask[band] |= mcsrate << 12;
2806                 ratemask[band] |= mcsrate << 28;
2807         }
2808
2809         ath6kl_dbg(ATH6KL_DBG_WMI,
2810                    "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2811                    ratemask[0], ratemask[1]);
2812
2813         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2814         if (!skb)
2815                 return -ENOMEM;
2816
2817         cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2818         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2819                 /* A mode operate in 5GHZ band */
2820                 if (mode == WMI_RATES_MODE_11A ||
2821                     mode == WMI_RATES_MODE_11A_HT20 ||
2822                     mode == WMI_RATES_MODE_11A_HT40)
2823                         band = IEEE80211_BAND_5GHZ;
2824                 else
2825                         band = IEEE80211_BAND_2GHZ;
2826                 cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2827         }
2828
2829         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2830                                   WMI_SET_TX_SELECT_RATES_CMDID,
2831                                   NO_SYNC_WMIFLAG);
2832         return ret;
2833 }
2834
2835 static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2836                                      const struct cfg80211_bitrate_mask *mask)
2837 {
2838         struct sk_buff *skb;
2839         int ret, mode, band;
2840         u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2841         struct wmi_set_tx_select_rates32_cmd *cmd;
2842
2843         memset(&ratemask, 0, sizeof(ratemask));
2844
2845         /* only check 2.4 and 5 GHz bands, skip the rest */
2846         for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2847                 /* copy legacy rate mask */
2848                 ratemask[band] = mask->control[band].legacy;
2849                 if (band == IEEE80211_BAND_5GHZ)
2850                         ratemask[band] =
2851                                 mask->control[band].legacy << 4;
2852
2853                 /* copy mcs rate mask */
2854                 mcsrate = mask->control[band].ht_mcs[0];
2855                 ratemask[band] |= mcsrate << 12;
2856                 ratemask[band] |= mcsrate << 20;
2857         }
2858
2859         ath6kl_dbg(ATH6KL_DBG_WMI,
2860                    "Ratemask 32 bit: 2.4:%x 5:%x\n",
2861                    ratemask[0], ratemask[1]);
2862
2863         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2864         if (!skb)
2865                 return -ENOMEM;
2866
2867         cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2868         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2869                 /* A mode operate in 5GHZ band */
2870                 if (mode == WMI_RATES_MODE_11A ||
2871                     mode == WMI_RATES_MODE_11A_HT20 ||
2872                     mode == WMI_RATES_MODE_11A_HT40)
2873                         band = IEEE80211_BAND_5GHZ;
2874                 else
2875                         band = IEEE80211_BAND_2GHZ;
2876                 cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2877         }
2878
2879         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2880                                   WMI_SET_TX_SELECT_RATES_CMDID,
2881                                   NO_SYNC_WMIFLAG);
2882         return ret;
2883 }
2884
2885 int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2886                                 const struct cfg80211_bitrate_mask *mask)
2887 {
2888         struct ath6kl *ar = wmi->parent_dev;
2889
2890         if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
2891                      ar->fw_capabilities))
2892                 return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
2893         else
2894                 return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
2895 }
2896
2897 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2898                                        enum ath6kl_host_mode host_mode)
2899 {
2900         struct sk_buff *skb;
2901         struct wmi_set_host_sleep_mode_cmd *cmd;
2902         int ret;
2903
2904         if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2905             (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2906                 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2907                 return -EINVAL;
2908         }
2909
2910         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2911         if (!skb)
2912                 return -ENOMEM;
2913
2914         cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2915
2916         if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2917                 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2918                 cmd->asleep = cpu_to_le32(1);
2919         } else {
2920                 cmd->awake = cpu_to_le32(1);
2921         }
2922
2923         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2924                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2925                                   NO_SYNC_WMIFLAG);
2926         return ret;
2927 }
2928
2929 /* This command has zero length payload */
2930 static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2931                                                       struct ath6kl_vif *vif)
2932 {
2933         struct ath6kl *ar = wmi->parent_dev;
2934
2935         set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2936         wake_up(&ar->event_wq);
2937
2938         return 0;
2939 }
2940
2941 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2942                                 enum ath6kl_wow_mode wow_mode,
2943                                 u32 filter, u16 host_req_delay)
2944 {
2945         struct sk_buff *skb;
2946         struct wmi_set_wow_mode_cmd *cmd;
2947         int ret;
2948
2949         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2950             wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2951                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2952                 return -EINVAL;
2953         }
2954
2955         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2956         if (!skb)
2957                 return -ENOMEM;
2958
2959         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2960         cmd->enable_wow = cpu_to_le32(wow_mode);
2961         cmd->filter = cpu_to_le32(filter);
2962         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2963
2964         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2965                                   NO_SYNC_WMIFLAG);
2966         return ret;
2967 }
2968
2969 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2970                                    u8 list_id, u8 filter_size,
2971                                    u8 filter_offset, const u8 *filter,
2972                                    const u8 *mask)
2973 {
2974         struct sk_buff *skb;
2975         struct wmi_add_wow_pattern_cmd *cmd;
2976         u16 size;
2977         u8 *filter_mask;
2978         int ret;
2979
2980         /*
2981          * Allocate additional memory in the buffer to hold
2982          * filter and mask value, which is twice of filter_size.
2983          */
2984         size = sizeof(*cmd) + (2 * filter_size);
2985
2986         skb = ath6kl_wmi_get_new_buf(size);
2987         if (!skb)
2988                 return -ENOMEM;
2989
2990         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2991         cmd->filter_list_id = list_id;
2992         cmd->filter_size = filter_size;
2993         cmd->filter_offset = filter_offset;
2994
2995         memcpy(cmd->filter, filter, filter_size);
2996
2997         filter_mask = (u8 *) (cmd->filter + filter_size);
2998         memcpy(filter_mask, mask, filter_size);
2999
3000         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
3001                                   NO_SYNC_WMIFLAG);
3002
3003         return ret;
3004 }
3005
3006 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
3007                                    u16 list_id, u16 filter_id)
3008 {
3009         struct sk_buff *skb;
3010         struct wmi_del_wow_pattern_cmd *cmd;
3011         int ret;
3012
3013         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3014         if (!skb)
3015                 return -ENOMEM;
3016
3017         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
3018         cmd->filter_list_id = cpu_to_le16(list_id);
3019         cmd->filter_id = cpu_to_le16(filter_id);
3020
3021         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
3022                                   NO_SYNC_WMIFLAG);
3023         return ret;
3024 }
3025
3026 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
3027                                     enum wmix_command_id cmd_id,
3028                                     enum wmi_sync_flag sync_flag)
3029 {
3030         struct wmix_cmd_hdr *cmd_hdr;
3031         int ret;
3032
3033         skb_push(skb, sizeof(struct wmix_cmd_hdr));
3034
3035         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
3036         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
3037
3038         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
3039
3040         return ret;
3041 }
3042
3043 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
3044 {
3045         struct sk_buff *skb;
3046         struct wmix_hb_challenge_resp_cmd *cmd;
3047         int ret;
3048
3049         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3050         if (!skb)
3051                 return -ENOMEM;
3052
3053         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
3054         cmd->cookie = cpu_to_le32(cookie);
3055         cmd->source = cpu_to_le32(source);
3056
3057         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
3058                                        NO_SYNC_WMIFLAG);
3059         return ret;
3060 }
3061
3062 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
3063 {
3064         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
3065         struct sk_buff *skb;
3066         int ret;
3067
3068         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3069         if (!skb)
3070                 return -ENOMEM;
3071
3072         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
3073         cmd->valid = cpu_to_le32(valid);
3074         cmd->config = cpu_to_le32(config);
3075
3076         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
3077                                        NO_SYNC_WMIFLAG);
3078         return ret;
3079 }
3080
3081 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
3082 {
3083         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
3084 }
3085
3086 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
3087 {
3088         struct sk_buff *skb;
3089         struct wmi_set_tx_pwr_cmd *cmd;
3090         int ret;
3091
3092         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
3093         if (!skb)
3094                 return -ENOMEM;
3095
3096         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
3097         cmd->dbM = dbM;
3098
3099         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
3100                                   NO_SYNC_WMIFLAG);
3101
3102         return ret;
3103 }
3104
3105 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
3106 {
3107         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
3108 }
3109
3110 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
3111 {
3112         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
3113 }
3114
3115 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
3116                                  u8 preamble_policy)
3117 {
3118         struct sk_buff *skb;
3119         struct wmi_set_lpreamble_cmd *cmd;
3120         int ret;
3121
3122         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
3123         if (!skb)
3124                 return -ENOMEM;
3125
3126         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
3127         cmd->status = status;
3128         cmd->preamble_policy = preamble_policy;
3129
3130         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
3131                                   NO_SYNC_WMIFLAG);
3132         return ret;
3133 }
3134
3135 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
3136 {
3137         struct sk_buff *skb;
3138         struct wmi_set_rts_cmd *cmd;
3139         int ret;
3140
3141         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
3142         if (!skb)
3143                 return -ENOMEM;
3144
3145         cmd = (struct wmi_set_rts_cmd *) skb->data;
3146         cmd->threshold = cpu_to_le16(threshold);
3147
3148         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
3149                                   NO_SYNC_WMIFLAG);
3150         return ret;
3151 }
3152
3153 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
3154 {
3155         struct sk_buff *skb;
3156         struct wmi_set_wmm_txop_cmd *cmd;
3157         int ret;
3158
3159         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
3160                 return -EINVAL;
3161
3162         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
3163         if (!skb)
3164                 return -ENOMEM;
3165
3166         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
3167         cmd->txop_enable = cfg;
3168
3169         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
3170                                   NO_SYNC_WMIFLAG);
3171         return ret;
3172 }
3173
3174 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3175                                  u8 keep_alive_intvl)
3176 {
3177         struct sk_buff *skb;
3178         struct wmi_set_keepalive_cmd *cmd;
3179         int ret;
3180
3181         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3182         if (!skb)
3183                 return -ENOMEM;
3184
3185         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3186         cmd->keep_alive_intvl = keep_alive_intvl;
3187
3188         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
3189                                   NO_SYNC_WMIFLAG);
3190
3191         if (ret == 0)
3192                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
3193
3194         return ret;
3195 }
3196
3197 int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3198                              enum ieee80211_band band,
3199                              struct ath6kl_htcap *htcap)
3200 {
3201         struct sk_buff *skb;
3202         struct wmi_set_htcap_cmd *cmd;
3203
3204         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3205         if (!skb)
3206                 return -ENOMEM;
3207
3208         cmd = (struct wmi_set_htcap_cmd *) skb->data;
3209
3210         /*
3211          * NOTE: Band in firmware matches enum ieee80211_band, it is unlikely
3212          * this will be changed in firmware. If at all there is any change in
3213          * band value, the host needs to be fixed.
3214          */
3215         cmd->band = band;
3216         cmd->ht_enable = !!htcap->ht_enable;
3217         cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3218         cmd->ht40_supported =
3219                 !!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3220         cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3221         cmd->intolerant_40mhz =
3222                 !!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3223         cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3224
3225         ath6kl_dbg(ATH6KL_DBG_WMI,
3226                    "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3227                    cmd->band, cmd->ht_enable, cmd->ht40_supported,
3228                    cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3229                    cmd->max_ampdu_len_exp);
3230         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
3231                                    NO_SYNC_WMIFLAG);
3232 }
3233
3234 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3235 {
3236         struct sk_buff *skb;
3237         int ret;
3238
3239         skb = ath6kl_wmi_get_new_buf(len);
3240         if (!skb)
3241                 return -ENOMEM;
3242
3243         memcpy(skb->data, buf, len);
3244
3245         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
3246
3247         return ret;
3248 }
3249
3250 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3251 {
3252         struct sk_buff *skb;
3253         struct wmi_mcast_filter_cmd *cmd;
3254         int ret;
3255
3256         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3257         if (!skb)
3258                 return -ENOMEM;
3259
3260         cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3261         cmd->mcast_all_enable = mc_all_on;
3262
3263         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
3264                                   NO_SYNC_WMIFLAG);
3265         return ret;
3266 }
3267
3268 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3269                                         u8 *filter, bool add_filter)
3270 {
3271         struct sk_buff *skb;
3272         struct wmi_mcast_filter_add_del_cmd *cmd;
3273         int ret;
3274
3275         if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3276             (filter[0] != 0x01 || filter[1] != 0x00 ||
3277             filter[2] != 0x5e || filter[3] > 0x7f)) {
3278                 ath6kl_warn("invalid multicast filter address\n");
3279                 return -EINVAL;
3280         }
3281
3282         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3283         if (!skb)
3284                 return -ENOMEM;
3285
3286         cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3287         memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3288         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3289                                   add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3290                                   WMI_DEL_MCAST_FILTER_CMDID,
3291                                   NO_SYNC_WMIFLAG);
3292
3293         return ret;
3294 }
3295
3296 int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3297 {
3298         struct sk_buff *skb;
3299         struct wmi_sta_bmiss_enhance_cmd *cmd;
3300         int ret;
3301
3302         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3303         if (!skb)
3304                 return -ENOMEM;
3305
3306         cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data;
3307         cmd->enable = enhance ? 1 : 0;
3308
3309         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3310                                   WMI_STA_BMISS_ENHANCE_CMDID,
3311                                   NO_SYNC_WMIFLAG);
3312         return ret;
3313 }
3314
3315 int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
3316 {
3317         struct sk_buff *skb;
3318         struct wmi_set_regdomain_cmd *cmd;
3319
3320         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3321         if (!skb)
3322                 return -ENOMEM;
3323
3324         cmd = (struct wmi_set_regdomain_cmd *) skb->data;
3325         memcpy(cmd->iso_name, alpha2, 2);
3326
3327         return ath6kl_wmi_cmd_send(wmi, 0, skb,
3328                                    WMI_SET_REGDOMAIN_CMDID,
3329                                    NO_SYNC_WMIFLAG);
3330 }
3331
3332 s32 ath6kl_wmi_get_rate(struct wmi *wmi, s8 rate_index)
3333 {
3334         struct ath6kl *ar = wmi->parent_dev;
3335         u8 sgi = 0;
3336         s32 ret;
3337
3338         if (rate_index == RATE_AUTO)
3339                 return 0;
3340
3341         /* SGI is stored as the MSB of the rate_index */
3342         if (rate_index & RATE_INDEX_MSB) {
3343                 rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;
3344                 sgi = 1;
3345         }
3346
3347         if (test_bit(ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,
3348                      ar->fw_capabilities)) {
3349                 if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl_mcs15)))
3350                         return 0;
3351
3352                 ret = wmi_rate_tbl_mcs15[(u32) rate_index][sgi];
3353         } else {
3354                 if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl)))
3355                         return 0;
3356
3357                 ret = wmi_rate_tbl[(u32) rate_index][sgi];
3358         }
3359
3360         return ret;
3361 }
3362
3363 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3364                                               u32 len)
3365 {
3366         struct wmi_pmkid_list_reply *reply;
3367         u32 expected_len;
3368
3369         if (len < sizeof(struct wmi_pmkid_list_reply))
3370                 return -EINVAL;
3371
3372         reply = (struct wmi_pmkid_list_reply *)datap;
3373         expected_len = sizeof(reply->num_pmkid) +
3374                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3375
3376         if (len < expected_len)
3377                 return -EINVAL;
3378
3379         return 0;
3380 }
3381
3382 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3383                                          struct ath6kl_vif *vif)
3384 {
3385         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3386
3387         aggr_recv_addba_req_evt(vif, cmd->tid,
3388                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
3389
3390         return 0;
3391 }
3392
3393 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3394                                          struct ath6kl_vif *vif)
3395 {
3396         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3397
3398         aggr_recv_delba_req_evt(vif, cmd->tid);
3399
3400         return 0;
3401 }
3402
3403 /*  AP mode functions */
3404
3405 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3406                                  struct wmi_connect_cmd *p)
3407 {
3408         struct sk_buff *skb;
3409         struct wmi_connect_cmd *cm;
3410         int res;
3411
3412         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3413         if (!skb)
3414                 return -ENOMEM;
3415
3416         cm = (struct wmi_connect_cmd *) skb->data;
3417         memcpy(cm, p, sizeof(*cm));
3418
3419         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3420                                   NO_SYNC_WMIFLAG);
3421         ath6kl_dbg(ATH6KL_DBG_WMI,
3422                    "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3423                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3424                    le32_to_cpu(p->ctrl_flags), res);
3425         return res;
3426 }
3427
3428 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3429                            u16 reason)
3430 {
3431         struct sk_buff *skb;
3432         struct wmi_ap_set_mlme_cmd *cm;
3433
3434         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3435         if (!skb)
3436                 return -ENOMEM;
3437
3438         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3439         memcpy(cm->mac, mac, ETH_ALEN);
3440         cm->reason = cpu_to_le16(reason);
3441         cm->cmd = cmd;
3442
3443         ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3444                    cm->reason);
3445
3446         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3447                                    NO_SYNC_WMIFLAG);
3448 }
3449
3450 int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3451 {
3452         struct sk_buff *skb;
3453         struct wmi_ap_hidden_ssid_cmd *cmd;
3454
3455         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3456         if (!skb)
3457                 return -ENOMEM;
3458
3459         cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3460         cmd->hidden_ssid = enable ? 1 : 0;
3461
3462         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3463                                    NO_SYNC_WMIFLAG);
3464 }
3465
3466 /* This command will be used to enable/disable AP uAPSD feature */
3467 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3468 {
3469         struct wmi_ap_set_apsd_cmd *cmd;
3470         struct sk_buff *skb;
3471
3472         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3473         if (!skb)
3474                 return -ENOMEM;
3475
3476         cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3477         cmd->enable = enable;
3478
3479         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3480                                    NO_SYNC_WMIFLAG);
3481 }
3482
3483 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3484                                              u16 aid, u16 bitmap, u32 flags)
3485 {
3486         struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3487         struct sk_buff *skb;
3488
3489         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3490         if (!skb)
3491                 return -ENOMEM;
3492
3493         cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3494         cmd->aid = cpu_to_le16(aid);
3495         cmd->bitmap = cpu_to_le16(bitmap);
3496         cmd->flags = cpu_to_le32(flags);
3497
3498         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3499                                    WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3500                                    NO_SYNC_WMIFLAG);
3501 }
3502
3503 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3504                                       struct ath6kl_vif *vif)
3505 {
3506         struct wmi_pspoll_event *ev;
3507
3508         if (len < sizeof(struct wmi_pspoll_event))
3509                 return -EINVAL;
3510
3511         ev = (struct wmi_pspoll_event *) datap;
3512
3513         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3514
3515         return 0;
3516 }
3517
3518 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3519                                           struct ath6kl_vif *vif)
3520 {
3521         ath6kl_dtimexpiry_event(vif);
3522
3523         return 0;
3524 }
3525
3526 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3527                            bool flag)
3528 {
3529         struct sk_buff *skb;
3530         struct wmi_ap_set_pvb_cmd *cmd;
3531         int ret;
3532
3533         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3534         if (!skb)
3535                 return -ENOMEM;
3536
3537         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3538         cmd->aid = cpu_to_le16(aid);
3539         cmd->rsvd = cpu_to_le16(0);
3540         cmd->flag = cpu_to_le32(flag);
3541
3542         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3543                                   NO_SYNC_WMIFLAG);
3544
3545         return 0;
3546 }
3547
3548 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3549                                        u8 rx_meta_ver,
3550                                        bool rx_dot11_hdr, bool defrag_on_host)
3551 {
3552         struct sk_buff *skb;
3553         struct wmi_rx_frame_format_cmd *cmd;
3554         int ret;
3555
3556         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3557         if (!skb)
3558                 return -ENOMEM;
3559
3560         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3561         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3562         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3563         cmd->meta_ver = rx_meta_ver;
3564
3565         /* Delete the local aggr state, on host */
3566         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3567                                   NO_SYNC_WMIFLAG);
3568
3569         return ret;
3570 }
3571
3572 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3573                              const u8 *ie, u8 ie_len)
3574 {
3575         struct sk_buff *skb;
3576         struct wmi_set_appie_cmd *p;
3577
3578         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3579         if (!skb)
3580                 return -ENOMEM;
3581
3582         ath6kl_dbg(ATH6KL_DBG_WMI,
3583                    "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3584                    mgmt_frm_type, ie_len);
3585         p = (struct wmi_set_appie_cmd *) skb->data;
3586         p->mgmt_frm_type = mgmt_frm_type;
3587         p->ie_len = ie_len;
3588
3589         if (ie != NULL && ie_len > 0)
3590                 memcpy(p->ie_info, ie, ie_len);
3591
3592         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3593                                    NO_SYNC_WMIFLAG);
3594 }
3595
3596 int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3597                           const u8 *ie_info, u8 ie_len)
3598 {
3599         struct sk_buff *skb;
3600         struct wmi_set_ie_cmd *p;
3601
3602         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3603         if (!skb)
3604                 return -ENOMEM;
3605
3606         ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3607                    ie_id, ie_field, ie_len);
3608         p = (struct wmi_set_ie_cmd *) skb->data;
3609         p->ie_id = ie_id;
3610         p->ie_field = ie_field;
3611         p->ie_len = ie_len;
3612         if (ie_info && ie_len > 0)
3613                 memcpy(p->ie_info, ie_info, ie_len);
3614
3615         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,
3616                                    NO_SYNC_WMIFLAG);
3617 }
3618
3619 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3620 {
3621         struct sk_buff *skb;
3622         struct wmi_disable_11b_rates_cmd *cmd;
3623
3624         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3625         if (!skb)
3626                 return -ENOMEM;
3627
3628         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3629                    disable);
3630         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3631         cmd->disable = disable ? 1 : 0;
3632
3633         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3634                                    NO_SYNC_WMIFLAG);
3635 }
3636
3637 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3638 {
3639         struct sk_buff *skb;
3640         struct wmi_remain_on_chnl_cmd *p;
3641
3642         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3643         if (!skb)
3644                 return -ENOMEM;
3645
3646         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3647                    freq, dur);
3648         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3649         p->freq = cpu_to_le32(freq);
3650         p->duration = cpu_to_le32(dur);
3651         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3652                                    NO_SYNC_WMIFLAG);
3653 }
3654
3655 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3656  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3657  * mgmt operations using station interface.
3658  */
3659 static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3660                                       u32 freq, u32 wait, const u8 *data,
3661                                       u16 data_len)
3662 {
3663         struct sk_buff *skb;
3664         struct wmi_send_action_cmd *p;
3665         u8 *buf;
3666
3667         if (wait)
3668                 return -EINVAL; /* Offload for wait not supported */
3669
3670         buf = kmalloc(data_len, GFP_KERNEL);
3671         if (!buf)
3672                 return -ENOMEM;
3673
3674         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3675         if (!skb) {
3676                 kfree(buf);
3677                 return -ENOMEM;
3678         }
3679
3680         kfree(wmi->last_mgmt_tx_frame);
3681         memcpy(buf, data, data_len);
3682         wmi->last_mgmt_tx_frame = buf;
3683         wmi->last_mgmt_tx_frame_len = data_len;
3684
3685         ath6kl_dbg(ATH6KL_DBG_WMI,
3686                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3687                    id, freq, wait, data_len);
3688         p = (struct wmi_send_action_cmd *) skb->data;
3689         p->id = cpu_to_le32(id);
3690         p->freq = cpu_to_le32(freq);
3691         p->wait = cpu_to_le32(wait);
3692         p->len = cpu_to_le16(data_len);
3693         memcpy(p->data, data, data_len);
3694         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3695                                    NO_SYNC_WMIFLAG);
3696 }
3697
3698 static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3699                                       u32 freq, u32 wait, const u8 *data,
3700                                       u16 data_len, u32 no_cck)
3701 {
3702         struct sk_buff *skb;
3703         struct wmi_send_mgmt_cmd *p;
3704         u8 *buf;
3705
3706         if (wait)
3707                 return -EINVAL; /* Offload for wait not supported */
3708
3709         buf = kmalloc(data_len, GFP_KERNEL);
3710         if (!buf)
3711                 return -ENOMEM;
3712
3713         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3714         if (!skb) {
3715                 kfree(buf);
3716                 return -ENOMEM;
3717         }
3718
3719         kfree(wmi->last_mgmt_tx_frame);
3720         memcpy(buf, data, data_len);
3721         wmi->last_mgmt_tx_frame = buf;
3722         wmi->last_mgmt_tx_frame_len = data_len;
3723
3724         ath6kl_dbg(ATH6KL_DBG_WMI,
3725                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3726                    id, freq, wait, data_len);
3727         p = (struct wmi_send_mgmt_cmd *) skb->data;
3728         p->id = cpu_to_le32(id);
3729         p->freq = cpu_to_le32(freq);
3730         p->wait = cpu_to_le32(wait);
3731         p->no_cck = cpu_to_le32(no_cck);
3732         p->len = cpu_to_le16(data_len);
3733         memcpy(p->data, data, data_len);
3734         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3735                                    NO_SYNC_WMIFLAG);
3736 }
3737
3738 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3739                                 u32 wait, const u8 *data, u16 data_len,
3740                                 u32 no_cck)
3741 {
3742         int status;
3743         struct ath6kl *ar = wmi->parent_dev;
3744
3745         if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3746                      ar->fw_capabilities)) {
3747                 /*
3748                  * If capable of doing P2P mgmt operations using
3749                  * station interface, send additional information like
3750                  * supported rates to advertise and xmit rates for
3751                  * probe requests
3752                  */
3753                 status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3754                                                     wait, data, data_len,
3755                                                     no_cck);
3756         } else {
3757                 status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3758                                                     wait, data, data_len);
3759         }
3760
3761         return status;
3762 }
3763
3764 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3765                                        const u8 *dst, const u8 *data,
3766                                        u16 data_len)
3767 {
3768         struct sk_buff *skb;
3769         struct wmi_p2p_probe_response_cmd *p;
3770         size_t cmd_len = sizeof(*p) + data_len;
3771
3772         if (data_len == 0)
3773                 cmd_len++; /* work around target minimum length requirement */
3774
3775         skb = ath6kl_wmi_get_new_buf(cmd_len);
3776         if (!skb)
3777                 return -ENOMEM;
3778
3779         ath6kl_dbg(ATH6KL_DBG_WMI,
3780                    "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3781                    freq, dst, data_len);
3782         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3783         p->freq = cpu_to_le32(freq);
3784         memcpy(p->destination_addr, dst, ETH_ALEN);
3785         p->len = cpu_to_le16(data_len);
3786         memcpy(p->data, data, data_len);
3787         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3788                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3789                                    NO_SYNC_WMIFLAG);
3790 }
3791
3792 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3793 {
3794         struct sk_buff *skb;
3795         struct wmi_probe_req_report_cmd *p;
3796
3797         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3798         if (!skb)
3799                 return -ENOMEM;
3800
3801         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3802                    enable);
3803         p = (struct wmi_probe_req_report_cmd *) skb->data;
3804         p->enable = enable ? 1 : 0;
3805         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3806                                    NO_SYNC_WMIFLAG);
3807 }
3808
3809 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3810 {
3811         struct sk_buff *skb;
3812         struct wmi_get_p2p_info *p;
3813
3814         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3815         if (!skb)
3816                 return -ENOMEM;
3817
3818         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3819                    info_req_flags);
3820         p = (struct wmi_get_p2p_info *) skb->data;
3821         p->info_req_flags = cpu_to_le32(info_req_flags);
3822         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3823                                    NO_SYNC_WMIFLAG);
3824 }
3825
3826 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3827 {
3828         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3829         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3830                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3831 }
3832
3833 int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3834 {
3835         struct sk_buff *skb;
3836         struct wmi_set_inact_period_cmd *cmd;
3837
3838         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3839         if (!skb)
3840                 return -ENOMEM;
3841
3842         cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3843         cmd->inact_period = cpu_to_le32(inact_timeout);
3844         cmd->num_null_func = 0;
3845
3846         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,
3847                                    NO_SYNC_WMIFLAG);
3848 }
3849
3850 static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,
3851                                                int len)
3852 {
3853         struct wmix_hb_challenge_resp_cmd *cmd;
3854
3855         if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
3856                 return;
3857
3858         cmd = (struct wmix_hb_challenge_resp_cmd *) datap;
3859         ath6kl_recovery_hb_event(wmi->parent_dev,
3860                                  le32_to_cpu(cmd->cookie));
3861 }
3862
3863 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3864 {
3865         struct wmix_cmd_hdr *cmd;
3866         u32 len;
3867         u16 id;
3868         u8 *datap;
3869         int ret = 0;
3870
3871         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3872                 ath6kl_err("bad packet 1\n");
3873                 return -EINVAL;
3874         }
3875
3876         cmd = (struct wmix_cmd_hdr *) skb->data;
3877         id = le32_to_cpu(cmd->cmd_id);
3878
3879         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3880
3881         datap = skb->data;
3882         len = skb->len;
3883
3884         switch (id) {
3885         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3886                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3887                 ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);
3888                 break;
3889         case WMIX_DBGLOG_EVENTID:
3890                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3891                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3892                 break;
3893         default:
3894                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3895                 ret = -EINVAL;
3896                 break;
3897         }
3898
3899         return ret;
3900 }
3901
3902 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3903 {
3904         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3905 }
3906
3907 /* Process interface specific wmi events, caller would free the datap */
3908 static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3909                                         u8 *datap, u32 len)
3910 {
3911         struct ath6kl_vif *vif;
3912
3913         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3914         if (!vif) {
3915                 ath6kl_dbg(ATH6KL_DBG_WMI,
3916                            "Wmi event for unavailable vif, vif_index:%d\n",
3917                             if_idx);
3918                 return -EINVAL;
3919         }
3920
3921         switch (cmd_id) {
3922         case WMI_CONNECT_EVENTID:
3923                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3924                 return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3925         case WMI_DISCONNECT_EVENTID:
3926                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3927                 return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3928         case WMI_TKIP_MICERR_EVENTID:
3929                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3930                 return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3931         case WMI_BSSINFO_EVENTID:
3932                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3933                 return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3934         case WMI_NEIGHBOR_REPORT_EVENTID:
3935                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3936                 return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3937                                                            vif);
3938         case WMI_SCAN_COMPLETE_EVENTID:
3939                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3940                 return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3941         case WMI_REPORT_STATISTICS_EVENTID:
3942                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3943                 return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3944         case WMI_CAC_EVENTID:
3945                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3946                 return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3947         case WMI_PSPOLL_EVENTID:
3948                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3949                 return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3950         case WMI_DTIMEXPIRY_EVENTID:
3951                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3952                 return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3953         case WMI_ADDBA_REQ_EVENTID:
3954                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3955                 return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3956         case WMI_DELBA_REQ_EVENTID:
3957                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3958                 return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3959         case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3960                 ath6kl_dbg(ATH6KL_DBG_WMI,
3961                            "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3962                 return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3963         case WMI_REMAIN_ON_CHNL_EVENTID:
3964                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3965                 return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3966         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3967                 ath6kl_dbg(ATH6KL_DBG_WMI,
3968                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3969                 return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3970                                                                  len, vif);
3971         case WMI_TX_STATUS_EVENTID:
3972                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3973                 return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3974         case WMI_RX_PROBE_REQ_EVENTID:
3975                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3976                 return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3977         case WMI_RX_ACTION_EVENTID:
3978                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3979                 return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3980         case WMI_TXE_NOTIFY_EVENTID:
3981                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");
3982                 return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
3983         default:
3984                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3985                 return -EINVAL;
3986         }
3987
3988         return 0;
3989 }
3990
3991 static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3992 {
3993         struct wmi_cmd_hdr *cmd;
3994         int ret = 0;
3995         u32 len;
3996         u16 id;
3997         u8 if_idx;
3998         u8 *datap;
3999
4000         cmd = (struct wmi_cmd_hdr *) skb->data;
4001         id = le16_to_cpu(cmd->cmd_id);
4002         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
4003
4004         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
4005         datap = skb->data;
4006         len = skb->len;
4007
4008         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
4009         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
4010                         datap, len);
4011
4012         switch (id) {
4013         case WMI_GET_BITRATE_CMDID:
4014                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
4015                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
4016                 break;
4017         case WMI_GET_CHANNEL_LIST_CMDID:
4018                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
4019                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
4020                 break;
4021         case WMI_GET_TX_PWR_CMDID:
4022                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
4023                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
4024                 break;
4025         case WMI_READY_EVENTID:
4026                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
4027                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
4028                 break;
4029         case WMI_PEER_NODE_EVENTID:
4030                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
4031                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
4032                 break;
4033         case WMI_REGDOMAIN_EVENTID:
4034                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
4035                 ath6kl_wmi_regdomain_event(wmi, datap, len);
4036                 break;
4037         case WMI_PSTREAM_TIMEOUT_EVENTID:
4038                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
4039                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
4040                 break;
4041         case WMI_CMDERROR_EVENTID:
4042                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
4043                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
4044                 break;
4045         case WMI_RSSI_THRESHOLD_EVENTID:
4046                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
4047                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
4048                 break;
4049         case WMI_ERROR_REPORT_EVENTID:
4050                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
4051                 break;
4052         case WMI_OPT_RX_FRAME_EVENTID:
4053                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
4054                 /* this event has been deprecated */
4055                 break;
4056         case WMI_REPORT_ROAM_TBL_EVENTID:
4057                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
4058                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
4059                 break;
4060         case WMI_EXTENSION_EVENTID:
4061                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
4062                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
4063                 break;
4064         case WMI_CHANNEL_CHANGE_EVENTID:
4065                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
4066                 break;
4067         case WMI_REPORT_ROAM_DATA_EVENTID:
4068                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
4069                 break;
4070         case WMI_TEST_EVENTID:
4071                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
4072                 ret = ath6kl_wmi_test_rx(wmi, datap, len);
4073                 break;
4074         case WMI_GET_FIXRATES_CMDID:
4075                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
4076                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
4077                 break;
4078         case WMI_TX_RETRY_ERR_EVENTID:
4079                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
4080                 break;
4081         case WMI_SNR_THRESHOLD_EVENTID:
4082                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
4083                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
4084                 break;
4085         case WMI_LQ_THRESHOLD_EVENTID:
4086                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
4087                 break;
4088         case WMI_APLIST_EVENTID:
4089                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
4090                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
4091                 break;
4092         case WMI_GET_KEEPALIVE_CMDID:
4093                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
4094                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
4095                 break;
4096         case WMI_GET_WOW_LIST_EVENTID:
4097                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
4098                 break;
4099         case WMI_GET_PMKID_LIST_EVENTID:
4100                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
4101                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
4102                 break;
4103         case WMI_SET_PARAMS_REPLY_EVENTID:
4104                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
4105                 break;
4106         case WMI_ADDBA_RESP_EVENTID:
4107                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
4108                 break;
4109         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
4110                 ath6kl_dbg(ATH6KL_DBG_WMI,
4111                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
4112                 break;
4113         case WMI_REPORT_BTCOEX_STATS_EVENTID:
4114                 ath6kl_dbg(ATH6KL_DBG_WMI,
4115                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
4116                 break;
4117         case WMI_TX_COMPLETE_EVENTID:
4118                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
4119                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
4120                 break;
4121         case WMI_P2P_CAPABILITIES_EVENTID:
4122                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
4123                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
4124                 break;
4125         case WMI_P2P_INFO_EVENTID:
4126                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
4127                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
4128                 break;
4129         default:
4130                 /* may be the event is interface specific */
4131                 ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
4132                 break;
4133         }
4134
4135         dev_kfree_skb(skb);
4136         return ret;
4137 }
4138
4139 /* Control Path */
4140 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
4141 {
4142         if (WARN_ON(skb == NULL))
4143                 return -EINVAL;
4144
4145         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
4146                 ath6kl_err("bad packet 1\n");
4147                 dev_kfree_skb(skb);
4148                 return -EINVAL;
4149         }
4150
4151         trace_ath6kl_wmi_event(skb->data, skb->len);
4152
4153         return ath6kl_wmi_proc_events(wmi, skb);
4154 }
4155
4156 void ath6kl_wmi_reset(struct wmi *wmi)
4157 {
4158         spin_lock_bh(&wmi->lock);
4159
4160         wmi->fat_pipe_exist = 0;
4161         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
4162
4163         spin_unlock_bh(&wmi->lock);
4164 }
4165
4166 void *ath6kl_wmi_init(struct ath6kl *dev)
4167 {
4168         struct wmi *wmi;
4169
4170         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
4171         if (!wmi)
4172                 return NULL;
4173
4174         spin_lock_init(&wmi->lock);
4175
4176         wmi->parent_dev = dev;
4177
4178         wmi->pwr_mode = REC_POWER;
4179
4180         ath6kl_wmi_reset(wmi);
4181
4182         return wmi;
4183 }
4184
4185 void ath6kl_wmi_shutdown(struct wmi *wmi)
4186 {
4187         if (!wmi)
4188                 return;
4189
4190         kfree(wmi->last_mgmt_tx_frame);
4191         kfree(wmi);
4192 }