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 /* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
  63 static const u8 up_to_ac[] = {
  64         WMM_AC_BE,
  65         WMM_AC_BK,
  66         WMM_AC_BK,
  67         WMM_AC_BE,
  68         WMM_AC_VI,
  69         WMM_AC_VI,
  70         WMM_AC_VO,
  71         WMM_AC_VO,
  72 };
  73
  74 void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
  75 {
  76         if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
  77                 return;
  78
  79         wmi->ep_id = ep_id;
  80 }
  81
  82 enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
  83 {
  84         return wmi->ep_id;
  85 }
  86
  87 struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
  88 {
  89         struct ath6kl_vif *vif, *found = NULL;
  90
  91         if (WARN_ON(if_idx > (ar->vif_max - 1)))
  92                 return NULL;
  93
  94         /* FIXME: Locking */
  95         spin_lock_bh(&ar->list_lock);
  96         list_for_each_entry(vif, &ar->vif_list, list) {
  97                 if (vif->fw_vif_idx == if_idx) {
  98                         found = vif;
  99                         break;
 100                 }
 101         }
 102         spin_unlock_bh(&ar->list_lock);
 103
 104         return found;
 105 }
 106
 107 /*  Performs DIX to 802.3 encapsulation for transmit packets.
 108  *  Assumes the entire DIX header is contigous and that there is
 109  *  enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
 110  */
 111 int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
 112 {
 113         struct ath6kl_llc_snap_hdr *llc_hdr;
 114         struct ethhdr *eth_hdr;
 115         size_t new_len;
 116         __be16 type;
 117         u8 *datap;
 118         u16 size;
 119
 120         if (WARN_ON(skb == NULL))
 121                 return -EINVAL;
 122
 123         size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
 124         if (skb_headroom(skb) < size)
 125                 return -ENOMEM;
 126
 127         eth_hdr = (struct ethhdr *) skb->data;
 128         type = eth_hdr->h_proto;
 129
 130         if (!is_ethertype(be16_to_cpu(type))) {
 131                 ath6kl_dbg(ATH6KL_DBG_WMI,
 132                            "%s: pkt is already in 802.3 format\n", __func__);
 133                 return 0;
 134         }
 135
 136         new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
 137
 138         skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
 139         datap = skb->data;
 140
 141         eth_hdr->h_proto = cpu_to_be16(new_len);
 142
 143         memcpy(datap, eth_hdr, sizeof(*eth_hdr));
 144
 145         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
 146         llc_hdr->dsap = 0xAA;
 147         llc_hdr->ssap = 0xAA;
 148         llc_hdr->cntl = 0x03;
 149         llc_hdr->org_code[0] = 0x0;
 150         llc_hdr->org_code[1] = 0x0;
 151         llc_hdr->org_code[2] = 0x0;
 152         llc_hdr->eth_type = type;
 153
 154         return 0;
 155 }
 156
 157 static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
 158                                u8 *version, void *tx_meta_info)
 159 {
 160         struct wmi_tx_meta_v1 *v1;
 161         struct wmi_tx_meta_v2 *v2;
 162
 163         if (WARN_ON(skb == NULL || version == NULL))
 164                 return -EINVAL;
 165
 166         switch (*version) {
 167         case WMI_META_VERSION_1:
 168                 skb_push(skb, WMI_MAX_TX_META_SZ);
 169                 v1 = (struct wmi_tx_meta_v1 *) skb->data;
 170                 v1->pkt_id = 0;
 171                 v1->rate_plcy_id = 0;
 172                 *version = WMI_META_VERSION_1;
 173                 break;
 174         case WMI_META_VERSION_2:
 175                 skb_push(skb, WMI_MAX_TX_META_SZ);
 176                 v2 = (struct wmi_tx_meta_v2 *) skb->data;
 177                 memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
 178                        sizeof(struct wmi_tx_meta_v2));
 179                 break;
 180         }
 181
 182         return 0;
 183 }
 184
 185 int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
 186                             u8 msg_type, u32 flags,
 187                             enum wmi_data_hdr_data_type data_type,
 188                             u8 meta_ver, void *tx_meta_info, u8 if_idx)
 189 {
 190         struct wmi_data_hdr *data_hdr;
 191         int ret;
 192
 193         if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))
 194                 return -EINVAL;
 195
 196         if (tx_meta_info) {
 197                 ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
 198                 if (ret)
 199                         return ret;
 200         }
 201
 202         skb_push(skb, sizeof(struct wmi_data_hdr));
 203
 204         data_hdr = (struct wmi_data_hdr *)skb->data;
 205         memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
 206
 207         data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
 208         data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
 209
 210         if (flags & WMI_DATA_HDR_FLAGS_MORE)
 211                 data_hdr->info |= WMI_DATA_HDR_MORE;
 212
 213         if (flags & WMI_DATA_HDR_FLAGS_EOSP)
 214                 data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);
 215
 216         data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
 217         data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
 218
 219         return 0;
 220 }
 221
 222 u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
 223 {
 224         struct iphdr *ip_hdr = (struct iphdr *) pkt;
 225         u8 ip_pri;
 226
 227         /*
 228          * Determine IPTOS priority
 229          *
 230          * IP-TOS - 8bits
 231          *          : DSCP(6-bits) ECN(2-bits)
 232          *          : DSCP - P2 P1 P0 X X X
 233          * where (P2 P1 P0) form 802.1D
 234          */
 235         ip_pri = ip_hdr->tos >> 5;
 236         ip_pri &= 0x7;
 237
 238         if ((layer2_pri & 0x7) > ip_pri)
 239                 return (u8) layer2_pri & 0x7;
 240         else
 241                 return ip_pri;
 242 }
 243
 244 u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
 245 {
 246         return  up_to_ac[user_priority & 0x7];
 247 }
 248
 249 int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
 250                                        struct sk_buff *skb,
 251                                        u32 layer2_priority, bool wmm_enabled,
 252                                        u8 *ac)
 253 {
 254         struct wmi_data_hdr *data_hdr;
 255         struct ath6kl_llc_snap_hdr *llc_hdr;
 256         struct wmi_create_pstream_cmd cmd;
 257         u32 meta_size, hdr_size;
 258         u16 ip_type = IP_ETHERTYPE;
 259         u8 stream_exist, usr_pri;
 260         u8 traffic_class = WMM_AC_BE;
 261         u8 *datap;
 262
 263         if (WARN_ON(skb == NULL))
 264                 return -EINVAL;
 265
 266         datap = skb->data;
 267         data_hdr = (struct wmi_data_hdr *) datap;
 268
 269         meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
 270                      WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
 271
 272         if (!wmm_enabled) {
 273                 /* If WMM is disabled all traffic goes as BE traffic */
 274                 usr_pri = 0;
 275         } else {
 276                 hdr_size = sizeof(struct ethhdr);
 277
 278                 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
 279                                                          sizeof(struct
 280                                                                 wmi_data_hdr) +
 281                                                          meta_size + hdr_size);
 282
 283                 if (llc_hdr->eth_type == htons(ip_type)) {
 284                         /*
 285                          * Extract the endpoint info from the TOS field
 286                          * in the IP header.
 287                          */
 288                         usr_pri =
 289                            ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
 290                                         sizeof(struct ath6kl_llc_snap_hdr),
 291                                         layer2_priority);
 292                 } else
 293                         usr_pri = layer2_priority & 0x7;
 294
 295                 /*
 296                  * Queue the EAPOL frames in the same WMM_AC_VO queue
 297                  * as that of management frames.
 298                  */
 299                 if (skb->protocol == cpu_to_be16(ETH_P_PAE))
 300                         usr_pri = WMI_VOICE_USER_PRIORITY;
 301         }
 302
 303         /*
 304          * workaround for WMM S5
 305          *
 306          * FIXME: wmi->traffic_class is always 100 so this test doesn't
 307          * make sense
 308          */
 309         if ((wmi->traffic_class == WMM_AC_VI) &&
 310             ((usr_pri == 5) || (usr_pri == 4)))
 311                 usr_pri = 1;
 312
 313         /* Convert user priority to traffic class */
 314         traffic_class = up_to_ac[usr_pri & 0x7];
 315
 316         wmi_data_hdr_set_up(data_hdr, usr_pri);
 317
 318         spin_lock_bh(&wmi->lock);
 319         stream_exist = wmi->fat_pipe_exist;
 320         spin_unlock_bh(&wmi->lock);
 321
 322         if (!(stream_exist & (1 << traffic_class))) {
 323                 memset(&cmd, 0, sizeof(cmd));
 324                 cmd.traffic_class = traffic_class;
 325                 cmd.user_pri = usr_pri;
 326                 cmd.inactivity_int =
 327                         cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
 328                 /* Implicit streams are created with TSID 0xFF */
 329                 cmd.tsid = WMI_IMPLICIT_PSTREAM;
 330                 ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
 331         }
 332
 333         *ac = traffic_class;
 334
 335         return 0;
 336 }
 337
 338 int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
 339 {
 340         struct ieee80211_hdr_3addr *pwh, wh;
 341         struct ath6kl_llc_snap_hdr *llc_hdr;
 342         struct ethhdr eth_hdr;
 343         u32 hdr_size;
 344         u8 *datap;
 345         __le16 sub_type;
 346
 347         if (WARN_ON(skb == NULL))
 348                 return -EINVAL;
 349
 350         datap = skb->data;
 351         pwh = (struct ieee80211_hdr_3addr *) datap;
 352
 353         sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
 354
 355         memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
 356
 357         /* Strip off the 802.11 header */
 358         if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
 359                 hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
 360                                    sizeof(u32));
 361                 skb_pull(skb, hdr_size);
 362         } else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA))
 363                 skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
 364
 365         datap = skb->data;
 366         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
 367
 368         memset(&eth_hdr, 0, sizeof(eth_hdr));
 369         eth_hdr.h_proto = llc_hdr->eth_type;
 370
 371         switch ((le16_to_cpu(wh.frame_control)) &
 372                 (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
 373         case 0:
 374                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 375                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 376                 break;
 377         case IEEE80211_FCTL_TODS:
 378                 memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
 379                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 380                 break;
 381         case IEEE80211_FCTL_FROMDS:
 382                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 383                 memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
 384                 break;
 385         case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
 386                 break;
 387         }
 388
 389         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 390         skb_push(skb, sizeof(eth_hdr));
 391
 392         datap = skb->data;
 393
 394         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 395
 396         return 0;
 397 }
 398
 399 /*
 400  * Performs 802.3 to DIX encapsulation for received packets.
 401  * Assumes the entire 802.3 header is contigous.
 402  */
 403 int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
 404 {
 405         struct ath6kl_llc_snap_hdr *llc_hdr;
 406         struct ethhdr eth_hdr;
 407         u8 *datap;
 408
 409         if (WARN_ON(skb == NULL))
 410                 return -EINVAL;
 411
 412         datap = skb->data;
 413
 414         memcpy(&eth_hdr, datap, sizeof(eth_hdr));
 415
 416         llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
 417         eth_hdr.h_proto = llc_hdr->eth_type;
 418
 419         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 420         datap = skb->data;
 421
 422         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 423
 424         return 0;
 425 }
 426
 427 static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
 428 {
 429         struct tx_complete_msg_v1 *msg_v1;
 430         struct wmi_tx_complete_event *evt;
 431         int index;
 432         u16 size;
 433
 434         evt = (struct wmi_tx_complete_event *) datap;
 435
 436         ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
 437                    evt->num_msg, evt->msg_len, evt->msg_type);
 438
 439         for (index = 0; index < evt->num_msg; index++) {
 440                 size = sizeof(struct wmi_tx_complete_event) +
 441                     (index * sizeof(struct tx_complete_msg_v1));
 442                 msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
 443
 444                 ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
 445                            msg_v1->status, msg_v1->pkt_id,
 446                            msg_v1->rate_idx, msg_v1->ack_failures);
 447         }
 448
 449         return 0;
 450 }
 451
 452 static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
 453                                               int len, struct ath6kl_vif *vif)
 454 {
 455         struct wmi_remain_on_chnl_event *ev;
 456         u32 freq;
 457         u32 dur;
 458         struct ieee80211_channel *chan;
 459         struct ath6kl *ar = wmi->parent_dev;
 460         u32 id;
 461
 462         if (len < sizeof(*ev))
 463                 return -EINVAL;
 464
 465         ev = (struct wmi_remain_on_chnl_event *) datap;
 466         freq = le32_to_cpu(ev->freq);
 467         dur = le32_to_cpu(ev->duration);
 468         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
 469                    freq, dur);
 470         chan = ieee80211_get_channel(ar->wiphy, freq);
 471         if (!chan) {
 472                 ath6kl_dbg(ATH6KL_DBG_WMI,
 473                            "remain_on_chnl: Unknown channel (freq=%u)\n",
 474                            freq);
 475                 return -EINVAL;
 476         }
 477         id = vif->last_roc_id;
 478         cfg80211_ready_on_channel(&vif->wdev, id, chan,
 479                                   dur, GFP_ATOMIC);
 480
 481         return 0;
 482 }
 483
 484 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
 485                                                      u8 *datap, int len,
 486                                                      struct ath6kl_vif *vif)
 487 {
 488         struct wmi_cancel_remain_on_chnl_event *ev;
 489         u32 freq;
 490         u32 dur;
 491         struct ieee80211_channel *chan;
 492         struct ath6kl *ar = wmi->parent_dev;
 493         u32 id;
 494
 495         if (len < sizeof(*ev))
 496                 return -EINVAL;
 497
 498         ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
 499         freq = le32_to_cpu(ev->freq);
 500         dur = le32_to_cpu(ev->duration);
 501         ath6kl_dbg(ATH6KL_DBG_WMI,
 502                    "cancel_remain_on_chnl: freq=%u dur=%u status=%u\n",
 503                    freq, dur, ev->status);
 504         chan = ieee80211_get_channel(ar->wiphy, freq);
 505         if (!chan) {
 506                 ath6kl_dbg(ATH6KL_DBG_WMI,
 507                            "cancel_remain_on_chnl: Unknown channel (freq=%u)\n",
 508                            freq);
 509                 return -EINVAL;
 510         }
 511         if (vif->last_cancel_roc_id &&
 512             vif->last_cancel_roc_id + 1 == vif->last_roc_id)
 513                 id = vif->last_cancel_roc_id; /* event for cancel command */
 514         else
 515                 id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
 516         vif->last_cancel_roc_id = 0;
 517         cfg80211_remain_on_channel_expired(&vif->wdev, id, chan, GFP_ATOMIC);
 518
 519         return 0;
 520 }
 521
 522 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
 523                                          struct ath6kl_vif *vif)
 524 {
 525         struct wmi_tx_status_event *ev;
 526         u32 id;
 527
 528         if (len < sizeof(*ev))
 529                 return -EINVAL;
 530
 531         ev = (struct wmi_tx_status_event *) datap;
 532         id = le32_to_cpu(ev->id);
 533         ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
 534                    id, ev->ack_status);
 535         if (wmi->last_mgmt_tx_frame) {
 536                 cfg80211_mgmt_tx_status(&vif->wdev, id,
 537                                         wmi->last_mgmt_tx_frame,
 538                                         wmi->last_mgmt_tx_frame_len,
 539                                         !!ev->ack_status, GFP_ATOMIC);
 540                 kfree(wmi->last_mgmt_tx_frame);
 541                 wmi->last_mgmt_tx_frame = NULL;
 542                 wmi->last_mgmt_tx_frame_len = 0;
 543         }
 544
 545         return 0;
 546 }
 547
 548 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
 549                                             struct ath6kl_vif *vif)
 550 {
 551         struct wmi_p2p_rx_probe_req_event *ev;
 552         u32 freq;
 553         u16 dlen;
 554
 555         if (len < sizeof(*ev))
 556                 return -EINVAL;
 557
 558         ev = (struct wmi_p2p_rx_probe_req_event *) datap;
 559         freq = le32_to_cpu(ev->freq);
 560         dlen = le16_to_cpu(ev->len);
 561         if (datap + len < ev->data + dlen) {
 562                 ath6kl_err("invalid wmi_p2p_rx_probe_req_event: len=%d dlen=%u\n",
 563                            len, dlen);
 564                 return -EINVAL;
 565         }
 566         ath6kl_dbg(ATH6KL_DBG_WMI,
 567                    "rx_probe_req: len=%u freq=%u probe_req_report=%d\n",
 568                    dlen, freq, vif->probe_req_report);
 569
 570         if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
 571                 cfg80211_rx_mgmt(&vif->wdev, freq, 0,
 572                                  ev->data, dlen, GFP_ATOMIC);
 573
 574         return 0;
 575 }
 576
 577 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
 578 {
 579         struct wmi_p2p_capabilities_event *ev;
 580         u16 dlen;
 581
 582         if (len < sizeof(*ev))
 583                 return -EINVAL;
 584
 585         ev = (struct wmi_p2p_capabilities_event *) datap;
 586         dlen = le16_to_cpu(ev->len);
 587         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
 588
 589         return 0;
 590 }
 591
 592 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 593                                          struct ath6kl_vif *vif)
 594 {
 595         struct wmi_rx_action_event *ev;
 596         u32 freq;
 597         u16 dlen;
 598
 599         if (len < sizeof(*ev))
 600                 return -EINVAL;
 601
 602         ev = (struct wmi_rx_action_event *) datap;
 603         freq = le32_to_cpu(ev->freq);
 604         dlen = le16_to_cpu(ev->len);
 605         if (datap + len < ev->data + dlen) {
 606                 ath6kl_err("invalid wmi_rx_action_event: len=%d dlen=%u\n",
 607                            len, dlen);
 608                 return -EINVAL;
 609         }
 610         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
 611         cfg80211_rx_mgmt(&vif->wdev, freq, 0,
 612                          ev->data, dlen, GFP_ATOMIC);
 613
 614         return 0;
 615 }
 616
 617 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
 618 {
 619         struct wmi_p2p_info_event *ev;
 620         u32 flags;
 621         u16 dlen;
 622
 623         if (len < sizeof(*ev))
 624                 return -EINVAL;
 625
 626         ev = (struct wmi_p2p_info_event *) datap;
 627         flags = le32_to_cpu(ev->info_req_flags);
 628         dlen = le16_to_cpu(ev->len);
 629         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
 630
 631         if (flags & P2P_FLAG_CAPABILITIES_REQ) {
 632                 struct wmi_p2p_capabilities *cap;
 633                 if (dlen < sizeof(*cap))
 634                         return -EINVAL;
 635                 cap = (struct wmi_p2p_capabilities *) ev->data;
 636                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
 637                            cap->go_power_save);
 638         }
 639
 640         if (flags & P2P_FLAG_MACADDR_REQ) {
 641                 struct wmi_p2p_macaddr *mac;
 642                 if (dlen < sizeof(*mac))
 643                         return -EINVAL;
 644                 mac = (struct wmi_p2p_macaddr *) ev->data;
 645                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
 646                            mac->mac_addr);
 647         }
 648
 649         if (flags & P2P_FLAG_HMODEL_REQ) {
 650                 struct wmi_p2p_hmodel *mod;
 651                 if (dlen < sizeof(*mod))
 652                         return -EINVAL;
 653                 mod = (struct wmi_p2p_hmodel *) ev->data;
 654                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
 655                            mod->p2p_model,
 656                            mod->p2p_model ? "host" : "firmware");
 657         }
 658         return 0;
 659 }
 660
 661 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
 662 {
 663         struct sk_buff *skb;
 664
 665         skb = ath6kl_buf_alloc(size);
 666         if (!skb)
 667                 return NULL;
 668
 669         skb_put(skb, size);
 670         if (size)
 671                 memset(skb->data, 0, size);
 672
 673         return skb;
 674 }
 675
 676 /* Send a "simple" wmi command -- one with no arguments */
 677 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
 678                                  enum wmi_cmd_id cmd_id)
 679 {
 680         struct sk_buff *skb;
 681         int ret;
 682
 683         skb = ath6kl_wmi_get_new_buf(0);
 684         if (!skb)
 685                 return -ENOMEM;
 686
 687         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
 688
 689         return ret;
 690 }
 691
 692 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
 693 {
 694         struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
 695
 696         if (len < sizeof(struct wmi_ready_event_2))
 697                 return -EINVAL;
 698
 699         ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
 700                            le32_to_cpu(ev->sw_version),
 701                            le32_to_cpu(ev->abi_version), ev->phy_cap);
 702
 703         return 0;
 704 }
 705
 706 /*
 707  * Mechanism to modify the roaming behavior in the firmware. The lower rssi
 708  * at which the station has to roam can be passed with
 709  * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
 710  * in dBm.
 711  */
 712 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
 713 {
 714         struct sk_buff *skb;
 715         struct roam_ctrl_cmd *cmd;
 716
 717         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 718         if (!skb)
 719                 return -ENOMEM;
 720
 721         cmd = (struct roam_ctrl_cmd *) skb->data;
 722
 723         cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
 724         cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
 725                                                        DEF_SCAN_FOR_ROAM_INTVL);
 726         cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
 727         cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
 728         cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
 729
 730         ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 731                             NO_SYNC_WMIFLAG);
 732
 733         return 0;
 734 }
 735
 736 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
 737 {
 738         struct sk_buff *skb;
 739         struct roam_ctrl_cmd *cmd;
 740
 741         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 742         if (!skb)
 743                 return -ENOMEM;
 744
 745         cmd = (struct roam_ctrl_cmd *) skb->data;
 746
 747         memcpy(cmd->info.bssid, bssid, ETH_ALEN);
 748         cmd->roam_ctrl = WMI_FORCE_ROAM;
 749
 750         ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
 751         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 752                                    NO_SYNC_WMIFLAG);
 753 }
 754
 755 int ath6kl_wmi_ap_set_beacon_intvl_cmd(struct wmi *wmi, u8 if_idx,
 756                                        u32 beacon_intvl)
 757 {
 758         struct sk_buff *skb;
 759         struct set_beacon_int_cmd *cmd;
 760
 761         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 762         if (!skb)
 763                 return -ENOMEM;
 764
 765         cmd = (struct set_beacon_int_cmd *) skb->data;
 766
 767         cmd->beacon_intvl = cpu_to_le32(beacon_intvl);
 768         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 769                                    WMI_SET_BEACON_INT_CMDID, NO_SYNC_WMIFLAG);
 770 }
 771
 772 int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period)
 773 {
 774         struct sk_buff *skb;
 775         struct set_dtim_cmd *cmd;
 776
 777         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 778         if (!skb)
 779                 return -ENOMEM;
 780
 781         cmd = (struct set_dtim_cmd *) skb->data;
 782
 783         cmd->dtim_period = cpu_to_le32(dtim_period);
 784         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 785                                    WMI_AP_SET_DTIM_CMDID, NO_SYNC_WMIFLAG);
 786 }
 787
 788 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 789 {
 790         struct sk_buff *skb;
 791         struct roam_ctrl_cmd *cmd;
 792
 793         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 794         if (!skb)
 795                 return -ENOMEM;
 796
 797         cmd = (struct roam_ctrl_cmd *) skb->data;
 798
 799         cmd->info.roam_mode = mode;
 800         cmd->roam_ctrl = WMI_SET_ROAM_MODE;
 801
 802         ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
 803         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 804                                    NO_SYNC_WMIFLAG);
 805 }
 806
 807 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
 808                                        struct ath6kl_vif *vif)
 809 {
 810         struct wmi_connect_event *ev;
 811         u8 *pie, *peie;
 812
 813         if (len < sizeof(struct wmi_connect_event))
 814                 return -EINVAL;
 815
 816         ev = (struct wmi_connect_event *) datap;
 817
 818         if (vif->nw_type == AP_NETWORK) {
 819                 /* AP mode start/STA connected event */
 820                 struct net_device *dev = vif->ndev;
 821                 if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
 822                         ath6kl_dbg(ATH6KL_DBG_WMI,
 823                                    "%s: freq %d bssid %pM (AP started)\n",
 824                                    __func__, le16_to_cpu(ev->u.ap_bss.ch),
 825                                    ev->u.ap_bss.bssid);
 826                         ath6kl_connect_ap_mode_bss(
 827                                 vif, le16_to_cpu(ev->u.ap_bss.ch));
 828                 } else {
 829                         ath6kl_dbg(ATH6KL_DBG_WMI,
 830                                    "%s: aid %u mac_addr %pM auth=%u keymgmt=%u cipher=%u apsd_info=%u (STA connected)\n",
 831                                    __func__, ev->u.ap_sta.aid,
 832                                    ev->u.ap_sta.mac_addr,
 833                                    ev->u.ap_sta.auth,
 834                                    ev->u.ap_sta.keymgmt,
 835                                    le16_to_cpu(ev->u.ap_sta.cipher),
 836                                    ev->u.ap_sta.apsd_info);
 837
 838                         ath6kl_connect_ap_mode_sta(
 839                                 vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
 840                                 ev->u.ap_sta.keymgmt,
 841                                 le16_to_cpu(ev->u.ap_sta.cipher),
 842                                 ev->u.ap_sta.auth, ev->assoc_req_len,
 843                                 ev->assoc_info + ev->beacon_ie_len,
 844                                 ev->u.ap_sta.apsd_info);
 845                 }
 846                 return 0;
 847         }
 848
 849         /* STA/IBSS mode connection event */
 850
 851         ath6kl_dbg(ATH6KL_DBG_WMI,
 852                    "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
 853                    le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
 854                    le16_to_cpu(ev->u.sta.listen_intvl),
 855                    le16_to_cpu(ev->u.sta.beacon_intvl),
 856                    le32_to_cpu(ev->u.sta.nw_type));
 857
 858         /* Start of assoc rsp IEs */
 859         pie = ev->assoc_info + ev->beacon_ie_len +
 860               ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
 861
 862         /* End of assoc rsp IEs */
 863         peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
 864             ev->assoc_resp_len;
 865
 866         while (pie < peie) {
 867                 switch (*pie) {
 868                 case WLAN_EID_VENDOR_SPECIFIC:
 869                         if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
 870                             pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
 871                                 /* WMM OUT (00:50:F2) */
 872                                 if (pie[1] > 5 &&
 873                                     pie[6] == WMM_PARAM_OUI_SUBTYPE)
 874                                         wmi->is_wmm_enabled = true;
 875                         }
 876                         break;
 877                 }
 878
 879                 if (wmi->is_wmm_enabled)
 880                         break;
 881
 882                 pie += pie[1] + 2;
 883         }
 884
 885         ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
 886                              ev->u.sta.bssid,
 887                              le16_to_cpu(ev->u.sta.listen_intvl),
 888                              le16_to_cpu(ev->u.sta.beacon_intvl),
 889                              le32_to_cpu(ev->u.sta.nw_type),
 890                              ev->beacon_ie_len, ev->assoc_req_len,
 891                              ev->assoc_resp_len, ev->assoc_info);
 892
 893         return 0;
 894 }
 895
 896 static struct country_code_to_enum_rd *
 897 ath6kl_regd_find_country(u16 countryCode)
 898 {
 899         int i;
 900
 901         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 902                 if (allCountries[i].countryCode == countryCode)
 903                         return &allCountries[i];
 904         }
 905
 906         return NULL;
 907 }
 908
 909 static struct reg_dmn_pair_mapping *
 910 ath6kl_get_regpair(u16 regdmn)
 911 {
 912         int i;
 913
 914         if (regdmn == NO_ENUMRD)
 915                 return NULL;
 916
 917         for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
 918                 if (regDomainPairs[i].regDmnEnum == regdmn)
 919                         return &regDomainPairs[i];
 920         }
 921
 922         return NULL;
 923 }
 924
 925 static struct country_code_to_enum_rd *
 926 ath6kl_regd_find_country_by_rd(u16 regdmn)
 927 {
 928         int i;
 929
 930         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 931                 if (allCountries[i].regDmnEnum == regdmn)
 932                         return &allCountries[i];
 933         }
 934
 935         return NULL;
 936 }
 937
 938 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 939 {
 940
 941         struct ath6kl_wmi_regdomain *ev;
 942         struct country_code_to_enum_rd *country = NULL;
 943         struct reg_dmn_pair_mapping *regpair = NULL;
 944         char alpha2[2];
 945         u32 reg_code;
 946
 947         ev = (struct ath6kl_wmi_regdomain *) datap;
 948         reg_code = le32_to_cpu(ev->reg_code);
 949
 950         if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG)
 951                 country = ath6kl_regd_find_country((u16) reg_code);
 952         else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
 953
 954                 regpair = ath6kl_get_regpair((u16) reg_code);
 955                 country = ath6kl_regd_find_country_by_rd((u16) reg_code);
 956                 if (regpair)
 957                         ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
 958                                    regpair->regDmnEnum);
 959                 else
 960                         ath6kl_warn("Regpair not found reg_code 0x%0x\n",
 961                                     reg_code);
 962         }
 963
 964         if (country && wmi->parent_dev->wiphy_registered) {
 965                 alpha2[0] = country->isoName[0];
 966                 alpha2[1] = country->isoName[1];
 967
 968                 regulatory_hint(wmi->parent_dev->wiphy, alpha2);
 969
 970                 ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
 971                            alpha2[0], alpha2[1]);
 972         }
 973 }
 974
 975 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
 976                                           struct ath6kl_vif *vif)
 977 {
 978         struct wmi_disconnect_event *ev;
 979         wmi->traffic_class = 100;
 980
 981         if (len < sizeof(struct wmi_disconnect_event))
 982                 return -EINVAL;
 983
 984         ev = (struct wmi_disconnect_event *) datap;
 985
 986         ath6kl_dbg(ATH6KL_DBG_WMI,
 987                    "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
 988                    le16_to_cpu(ev->proto_reason_status), ev->bssid,
 989                    ev->disconn_reason, ev->assoc_resp_len);
 990
 991         wmi->is_wmm_enabled = false;
 992
 993         ath6kl_disconnect_event(vif, ev->disconn_reason,
 994                                 ev->bssid, ev->assoc_resp_len, ev->assoc_info,
 995                                 le16_to_cpu(ev->proto_reason_status));
 996
 997         return 0;
 998 }
 999
1000 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
1001 {
1002         struct wmi_peer_node_event *ev;
1003
1004         if (len < sizeof(struct wmi_peer_node_event))
1005                 return -EINVAL;
1006
1007         ev = (struct wmi_peer_node_event *) datap;
1008
1009         if (ev->event_code == PEER_NODE_JOIN_EVENT)
1010                 ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
1011                            ev->peer_mac_addr);
1012         else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
1013                 ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
1014                            ev->peer_mac_addr);
1015
1016         return 0;
1017 }
1018
1019 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
1020                                            struct ath6kl_vif *vif)
1021 {
1022         struct wmi_tkip_micerr_event *ev;
1023
1024         if (len < sizeof(struct wmi_tkip_micerr_event))
1025                 return -EINVAL;
1026
1027         ev = (struct wmi_tkip_micerr_event *) datap;
1028
1029         ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
1030
1031         return 0;
1032 }
1033
1034 void ath6kl_wmi_sscan_timer(unsigned long ptr)
1035 {
1036         struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
1037
1038         cfg80211_sched_scan_results(vif->ar->wiphy);
1039 }
1040
1041 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
1042                                        struct ath6kl_vif *vif)
1043 {
1044         struct wmi_bss_info_hdr2 *bih;
1045         u8 *buf;
1046         struct ieee80211_channel *channel;
1047         struct ath6kl *ar = wmi->parent_dev;
1048         struct ieee80211_mgmt *mgmt;
1049         struct cfg80211_bss *bss;
1050
1051         if (len <= sizeof(struct wmi_bss_info_hdr2))
1052                 return -EINVAL;
1053
1054         bih = (struct wmi_bss_info_hdr2 *) datap;
1055         buf = datap + sizeof(struct wmi_bss_info_hdr2);
1056         len -= sizeof(struct wmi_bss_info_hdr2);
1057
1058         ath6kl_dbg(ATH6KL_DBG_WMI,
1059                    "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1060                    "frame_type=%d\n",
1061                    bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1062                    bih->frame_type);
1063
1064         if (bih->frame_type != BEACON_FTYPE &&
1065             bih->frame_type != PROBERESP_FTYPE)
1066                 return 0; /* Only update BSS table for now */
1067
1068         if (bih->frame_type == BEACON_FTYPE &&
1069             test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1070                 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1071                 ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1072                                          NONE_BSS_FILTER, 0);
1073         }
1074
1075         channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1076         if (channel == NULL)
1077                 return -EINVAL;
1078
1079         if (len < 8 + 2 + 2)
1080                 return -EINVAL;
1081
1082         if (bih->frame_type == BEACON_FTYPE &&
1083             test_bit(CONNECTED, &vif->flags) &&
1084             memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1085                 const u8 *tim;
1086                 tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1087                                        len - 8 - 2 - 2);
1088                 if (tim && tim[1] >= 2) {
1089                         vif->assoc_bss_dtim_period = tim[3];
1090                         set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1091                 }
1092         }
1093
1094         /*
1095          * In theory, use of cfg80211_inform_bss() would be more natural here
1096          * since we do not have the full frame. However, at least for now,
1097          * cfg80211 can only distinguish Beacon and Probe Response frames from
1098          * each other when using cfg80211_inform_bss_frame(), so let's build a
1099          * fake IEEE 802.11 header to be able to take benefit of this.
1100          */
1101         mgmt = kmalloc(24 + len, GFP_ATOMIC);
1102         if (mgmt == NULL)
1103                 return -EINVAL;
1104
1105         if (bih->frame_type == BEACON_FTYPE) {
1106                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1107                                                   IEEE80211_STYPE_BEACON);
1108                 memset(mgmt->da, 0xff, ETH_ALEN);
1109         } else {
1110                 struct net_device *dev = vif->ndev;
1111
1112                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1113                                                   IEEE80211_STYPE_PROBE_RESP);
1114                 memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
1115         }
1116         mgmt->duration = cpu_to_le16(0);
1117         memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
1118         memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
1119         mgmt->seq_ctrl = cpu_to_le16(0);
1120
1121         memcpy(&mgmt->u.beacon, buf, len);
1122
1123         bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
1124                                         24 + len, (bih->snr - 95) * 100,
1125                                         GFP_ATOMIC);
1126         kfree(mgmt);
1127         if (bss == NULL)
1128                 return -ENOMEM;
1129         cfg80211_put_bss(ar->wiphy, bss);
1130
1131         /*
1132          * Firmware doesn't return any event when scheduled scan has
1133          * finished, so we need to use a timer to find out when there are
1134          * no more results.
1135          *
1136          * The timer is started from the first bss info received, otherwise
1137          * the timer would not ever fire if the scan interval is short
1138          * enough.
1139          */
1140         if (test_bit(SCHED_SCANNING, &vif->flags) &&
1141             !timer_pending(&vif->sched_scan_timer)) {
1142                 mod_timer(&vif->sched_scan_timer, jiffies +
1143                           msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1144         }
1145
1146         return 0;
1147 }
1148
1149 /* Inactivity timeout of a fatpipe(pstream) at the target */
1150 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1151                                                int len)
1152 {
1153         struct wmi_pstream_timeout_event *ev;
1154
1155         if (len < sizeof(struct wmi_pstream_timeout_event))
1156                 return -EINVAL;
1157
1158         ev = (struct wmi_pstream_timeout_event *) datap;
1159
1160         /*
1161          * When the pstream (fat pipe == AC) timesout, it means there were
1162          * no thinStreams within this pstream & it got implicitly created
1163          * due to data flow on this AC. We start the inactivity timer only
1164          * for implicitly created pstream. Just reset the host state.
1165          */
1166         spin_lock_bh(&wmi->lock);
1167         wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1168         wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1169         spin_unlock_bh(&wmi->lock);
1170
1171         /* Indicate inactivity to driver layer for this fatpipe (pstream) */
1172         ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1173
1174         return 0;
1175 }
1176
1177 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1178 {
1179         struct wmi_bit_rate_reply *reply;
1180         s32 rate;
1181         u32 sgi, index;
1182
1183         if (len < sizeof(struct wmi_bit_rate_reply))
1184                 return -EINVAL;
1185
1186         reply = (struct wmi_bit_rate_reply *) datap;
1187
1188         ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1189
1190         if (reply->rate_index == (s8) RATE_AUTO) {
1191                 rate = RATE_AUTO;
1192         } else {
1193                 index = reply->rate_index & 0x7f;
1194                 if (WARN_ON_ONCE(index > (RATE_MCS_7_40 + 1)))
1195                         return -EINVAL;
1196
1197                 sgi = (reply->rate_index & 0x80) ? 1 : 0;
1198                 rate = wmi_rate_tbl[index][sgi];
1199         }
1200
1201         ath6kl_wakeup_event(wmi->parent_dev);
1202
1203         return 0;
1204 }
1205
1206 static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1207 {
1208         ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1209
1210         return 0;
1211 }
1212
1213 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1214 {
1215         if (len < sizeof(struct wmi_fix_rates_reply))
1216                 return -EINVAL;
1217
1218         ath6kl_wakeup_event(wmi->parent_dev);
1219
1220         return 0;
1221 }
1222
1223 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1224 {
1225         if (len < sizeof(struct wmi_channel_list_reply))
1226                 return -EINVAL;
1227
1228         ath6kl_wakeup_event(wmi->parent_dev);
1229
1230         return 0;
1231 }
1232
1233 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1234 {
1235         struct wmi_tx_pwr_reply *reply;
1236
1237         if (len < sizeof(struct wmi_tx_pwr_reply))
1238                 return -EINVAL;
1239
1240         reply = (struct wmi_tx_pwr_reply *) datap;
1241         ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1242
1243         return 0;
1244 }
1245
1246 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1247 {
1248         if (len < sizeof(struct wmi_get_keepalive_cmd))
1249                 return -EINVAL;
1250
1251         ath6kl_wakeup_event(wmi->parent_dev);
1252
1253         return 0;
1254 }
1255
1256 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1257                                        struct ath6kl_vif *vif)
1258 {
1259         struct wmi_scan_complete_event *ev;
1260
1261         ev = (struct wmi_scan_complete_event *) datap;
1262
1263         ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1264         wmi->is_probe_ssid = false;
1265
1266         return 0;
1267 }
1268
1269 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1270                                                int len, struct ath6kl_vif *vif)
1271 {
1272         struct wmi_neighbor_report_event *ev;
1273         u8 i;
1274
1275         if (len < sizeof(*ev))
1276                 return -EINVAL;
1277         ev = (struct wmi_neighbor_report_event *) datap;
1278         if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1279             > len) {
1280                 ath6kl_dbg(ATH6KL_DBG_WMI,
1281                            "truncated neighbor event (num=%d len=%d)\n",
1282                            ev->num_neighbors, len);
1283                 return -EINVAL;
1284         }
1285         for (i = 0; i < ev->num_neighbors; i++) {
1286                 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1287                            i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1288                            ev->neighbor[i].bss_flags);
1289                 cfg80211_pmksa_candidate_notify(vif->ndev, i,
1290                                                 ev->neighbor[i].bssid,
1291                                                 !!(ev->neighbor[i].bss_flags &
1292                                                    WMI_PREAUTH_CAPABLE_BSS),
1293                                                 GFP_ATOMIC);
1294         }
1295
1296         return 0;
1297 }
1298
1299 /*
1300  * Target is reporting a programming error.  This is for
1301  * developer aid only.  Target only checks a few common violations
1302  * and it is responsibility of host to do all error checking.
1303  * Behavior of target after wmi error event is undefined.
1304  * A reset is recommended.
1305  */
1306 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1307 {
1308         const char *type = "unknown error";
1309         struct wmi_cmd_error_event *ev;
1310         ev = (struct wmi_cmd_error_event *) datap;
1311
1312         switch (ev->err_code) {
1313         case INVALID_PARAM:
1314                 type = "invalid parameter";
1315                 break;
1316         case ILLEGAL_STATE:
1317                 type = "invalid state";
1318                 break;
1319         case INTERNAL_ERROR:
1320                 type = "internal error";
1321                 break;
1322         }
1323
1324         ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1325                    ev->cmd_id, type);
1326
1327         return 0;
1328 }
1329
1330 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1331                                      struct ath6kl_vif *vif)
1332 {
1333         ath6kl_tgt_stats_event(vif, datap, len);
1334
1335         return 0;
1336 }
1337
1338 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1339                                          struct sq_threshold_params *sq_thresh,
1340                                          u32 size)
1341 {
1342         u32 index;
1343         u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1344
1345         /* The list is already in sorted order. Get the next lower value */
1346         for (index = 0; index < size; index++) {
1347                 if (rssi < sq_thresh->upper_threshold[index]) {
1348                         threshold = (u8) sq_thresh->upper_threshold[index];
1349                         break;
1350                 }
1351         }
1352
1353         return threshold;
1354 }
1355
1356 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1357                                          struct sq_threshold_params *sq_thresh,
1358                                          u32 size)
1359 {
1360         u32 index;
1361         u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1362
1363         /* The list is already in sorted order. Get the next lower value */
1364         for (index = 0; index < size; index++) {
1365                 if (rssi > sq_thresh->lower_threshold[index]) {
1366                         threshold = (u8) sq_thresh->lower_threshold[index];
1367                         break;
1368                 }
1369         }
1370
1371         return threshold;
1372 }
1373
1374 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1375                         struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1376 {
1377         struct sk_buff *skb;
1378         struct wmi_rssi_threshold_params_cmd *cmd;
1379
1380         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1381         if (!skb)
1382                 return -ENOMEM;
1383
1384         cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1385         memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1386
1387         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1388                                    NO_SYNC_WMIFLAG);
1389 }
1390
1391 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1392                                               int len)
1393 {
1394         struct wmi_rssi_threshold_event *reply;
1395         struct wmi_rssi_threshold_params_cmd cmd;
1396         struct sq_threshold_params *sq_thresh;
1397         enum wmi_rssi_threshold_val new_threshold;
1398         u8 upper_rssi_threshold, lower_rssi_threshold;
1399         s16 rssi;
1400         int ret;
1401
1402         if (len < sizeof(struct wmi_rssi_threshold_event))
1403                 return -EINVAL;
1404
1405         reply = (struct wmi_rssi_threshold_event *) datap;
1406         new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1407         rssi = a_sle16_to_cpu(reply->rssi);
1408
1409         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1410
1411         /*
1412          * Identify the threshold breached and communicate that to the app.
1413          * After that install a new set of thresholds based on the signal
1414          * quality reported by the target
1415          */
1416         if (new_threshold) {
1417                 /* Upper threshold breached */
1418                 if (rssi < sq_thresh->upper_threshold[0]) {
1419                         ath6kl_dbg(ATH6KL_DBG_WMI,
1420                                    "spurious upper rssi threshold event: %d\n",
1421                                    rssi);
1422                 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1423                            (rssi >= sq_thresh->upper_threshold[0])) {
1424                         new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1425                 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1426                            (rssi >= sq_thresh->upper_threshold[1])) {
1427                         new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1428                 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1429                            (rssi >= sq_thresh->upper_threshold[2])) {
1430                         new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1431                 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1432                            (rssi >= sq_thresh->upper_threshold[3])) {
1433                         new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1434                 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1435                            (rssi >= sq_thresh->upper_threshold[4])) {
1436                         new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1437                 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1438                         new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1439                 }
1440         } else {
1441                 /* Lower threshold breached */
1442                 if (rssi > sq_thresh->lower_threshold[0]) {
1443                         ath6kl_dbg(ATH6KL_DBG_WMI,
1444                                    "spurious lower rssi threshold event: %d %d\n",
1445                                 rssi, sq_thresh->lower_threshold[0]);
1446                 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1447                            (rssi <= sq_thresh->lower_threshold[0])) {
1448                         new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1449                 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1450                            (rssi <= sq_thresh->lower_threshold[1])) {
1451                         new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1452                 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1453                            (rssi <= sq_thresh->lower_threshold[2])) {
1454                         new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1455                 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1456                            (rssi <= sq_thresh->lower_threshold[3])) {
1457                         new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1458                 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1459                            (rssi <= sq_thresh->lower_threshold[4])) {
1460                         new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1461                 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1462                         new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1463                 }
1464         }
1465
1466         /* Calculate and install the next set of thresholds */
1467         lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1468                                        sq_thresh->lower_threshold_valid_count);
1469         upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1470                                        sq_thresh->upper_threshold_valid_count);
1471
1472         /* Issue a wmi command to install the thresholds */
1473         cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1474         cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1475         cmd.weight = sq_thresh->weight;
1476         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1477
1478         ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1479         if (ret) {
1480                 ath6kl_err("unable to configure rssi thresholds\n");
1481                 return -EIO;
1482         }
1483
1484         return 0;
1485 }
1486
1487 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1488                                    struct ath6kl_vif *vif)
1489 {
1490         struct wmi_cac_event *reply;
1491         struct ieee80211_tspec_ie *ts;
1492         u16 active_tsids, tsinfo;
1493         u8 tsid, index;
1494         u8 ts_id;
1495
1496         if (len < sizeof(struct wmi_cac_event))
1497                 return -EINVAL;
1498
1499         reply = (struct wmi_cac_event *) datap;
1500
1501         if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1502             (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1503
1504                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1505                 tsinfo = le16_to_cpu(ts->tsinfo);
1506                 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1507                         IEEE80211_WMM_IE_TSPEC_TID_MASK;
1508
1509                 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1510                                               reply->ac, tsid);
1511         } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1512                 /*
1513                  * Following assumes that there is only one outstanding
1514                  * ADDTS request when this event is received
1515                  */
1516                 spin_lock_bh(&wmi->lock);
1517                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1518                 spin_unlock_bh(&wmi->lock);
1519
1520                 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1521                         if ((active_tsids >> index) & 1)
1522                                 break;
1523                 }
1524                 if (index < (sizeof(active_tsids) * 8))
1525                         ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1526                                                       reply->ac, index);
1527         }
1528
1529         /*
1530          * Clear active tsids and Add missing handling
1531          * for delete qos stream from AP
1532          */
1533         else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1534
1535                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1536                 tsinfo = le16_to_cpu(ts->tsinfo);
1537                 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1538                          IEEE80211_WMM_IE_TSPEC_TID_MASK);
1539
1540                 spin_lock_bh(&wmi->lock);
1541                 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1542                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1543                 spin_unlock_bh(&wmi->lock);
1544
1545                 /* Indicate stream inactivity to driver layer only if all tsids
1546                  * within this AC are deleted.
1547                  */
1548                 if (!active_tsids) {
1549                         ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1550                                                     false);
1551                         wmi->fat_pipe_exist &= ~(1 << reply->ac);
1552                 }
1553         }
1554
1555         return 0;
1556 }
1557
1558 static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,
1559                                           struct ath6kl_vif *vif)
1560 {
1561         struct wmi_txe_notify_event *ev;
1562         u32 rate, pkts;
1563
1564         if (len < sizeof(*ev))
1565                 return -EINVAL;
1566
1567         if (vif->sme_state != SME_CONNECTED)
1568                 return -ENOTCONN;
1569
1570         ev = (struct wmi_txe_notify_event *) datap;
1571         rate = le32_to_cpu(ev->rate);
1572         pkts = le32_to_cpu(ev->pkts);
1573
1574         ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d% pkts %d intvl %ds\n",
1575                    vif->bssid, rate, pkts, vif->txe_intvl);
1576
1577         cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,
1578                                 rate, vif->txe_intvl, GFP_KERNEL);
1579
1580         return 0;
1581 }
1582
1583 int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
1584                               u32 rate, u32 pkts, u32 intvl)
1585 {
1586         struct sk_buff *skb;
1587         struct wmi_txe_notify_cmd *cmd;
1588
1589         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1590         if (!skb)
1591                 return -ENOMEM;
1592
1593         cmd = (struct wmi_txe_notify_cmd *) skb->data;
1594         cmd->rate = cpu_to_le32(rate);
1595         cmd->pkts = cpu_to_le32(pkts);
1596         cmd->intvl = cpu_to_le32(intvl);
1597
1598         return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,
1599                                    NO_SYNC_WMIFLAG);
1600 }
1601
1602 int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
1603 {
1604         struct sk_buff *skb;
1605         struct wmi_set_rssi_filter_cmd *cmd;
1606         int ret;
1607
1608         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1609         if (!skb)
1610                 return -ENOMEM;
1611
1612         cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
1613         cmd->rssi = rssi;
1614
1615         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,
1616                                   NO_SYNC_WMIFLAG);
1617         return ret;
1618 }
1619
1620 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1621                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1622 {
1623         struct sk_buff *skb;
1624         struct wmi_snr_threshold_params_cmd *cmd;
1625
1626         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1627         if (!skb)
1628                 return -ENOMEM;
1629
1630         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1631         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1632
1633         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1634                                    NO_SYNC_WMIFLAG);
1635 }
1636
1637 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1638                                              int len)
1639 {
1640         struct wmi_snr_threshold_event *reply;
1641         struct sq_threshold_params *sq_thresh;
1642         struct wmi_snr_threshold_params_cmd cmd;
1643         enum wmi_snr_threshold_val new_threshold;
1644         u8 upper_snr_threshold, lower_snr_threshold;
1645         s16 snr;
1646         int ret;
1647
1648         if (len < sizeof(struct wmi_snr_threshold_event))
1649                 return -EINVAL;
1650
1651         reply = (struct wmi_snr_threshold_event *) datap;
1652
1653         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1654         snr = reply->snr;
1655
1656         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1657
1658         /*
1659          * Identify the threshold breached and communicate that to the app.
1660          * After that install a new set of thresholds based on the signal
1661          * quality reported by the target.
1662          */
1663         if (new_threshold) {
1664                 /* Upper threshold breached */
1665                 if (snr < sq_thresh->upper_threshold[0]) {
1666                         ath6kl_dbg(ATH6KL_DBG_WMI,
1667                                    "spurious upper snr threshold event: %d\n",
1668                                    snr);
1669                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1670                            (snr >= sq_thresh->upper_threshold[0])) {
1671                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1672                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1673                            (snr >= sq_thresh->upper_threshold[1])) {
1674                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1675                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1676                            (snr >= sq_thresh->upper_threshold[2])) {
1677                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1678                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1679                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1680                 }
1681         } else {
1682                 /* Lower threshold breached */
1683                 if (snr > sq_thresh->lower_threshold[0]) {
1684                         ath6kl_dbg(ATH6KL_DBG_WMI,
1685                                    "spurious lower snr threshold event: %d\n",
1686                                    sq_thresh->lower_threshold[0]);
1687                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1688                            (snr <= sq_thresh->lower_threshold[0])) {
1689                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1690                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1691                            (snr <= sq_thresh->lower_threshold[1])) {
1692                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1693                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1694                            (snr <= sq_thresh->lower_threshold[2])) {
1695                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1696                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1697                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1698                 }
1699         }
1700
1701         /* Calculate and install the next set of thresholds */
1702         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1703                                        sq_thresh->lower_threshold_valid_count);
1704         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1705                                        sq_thresh->upper_threshold_valid_count);
1706
1707         /* Issue a wmi command to install the thresholds */
1708         cmd.thresh_above1_val = upper_snr_threshold;
1709         cmd.thresh_below1_val = lower_snr_threshold;
1710         cmd.weight = sq_thresh->weight;
1711         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1712
1713         ath6kl_dbg(ATH6KL_DBG_WMI,
1714                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1715                    snr, new_threshold,
1716                    lower_snr_threshold, upper_snr_threshold);
1717
1718         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1719         if (ret) {
1720                 ath6kl_err("unable to configure snr threshold\n");
1721                 return -EIO;
1722         }
1723
1724         return 0;
1725 }
1726
1727 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1728 {
1729         u16 ap_info_entry_size;
1730         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1731         struct wmi_ap_info_v1 *ap_info_v1;
1732         u8 index;
1733
1734         if (len < sizeof(struct wmi_aplist_event) ||
1735             ev->ap_list_ver != APLIST_VER1)
1736                 return -EINVAL;
1737
1738         ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1739         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1740
1741         ath6kl_dbg(ATH6KL_DBG_WMI,
1742                    "number of APs in aplist event: %d\n", ev->num_ap);
1743
1744         if (len < (int) (sizeof(struct wmi_aplist_event) +
1745                          (ev->num_ap - 1) * ap_info_entry_size))
1746                 return -EINVAL;
1747
1748         /* AP list version 1 contents */
1749         for (index = 0; index < ev->num_ap; index++) {
1750                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1751                            index, ap_info_v1->bssid, ap_info_v1->channel);
1752                 ap_info_v1++;
1753         }
1754
1755         return 0;
1756 }
1757
1758 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1759                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1760 {
1761         struct wmi_cmd_hdr *cmd_hdr;
1762         enum htc_endpoint_id ep_id = wmi->ep_id;
1763         int ret;
1764         u16 info1;
1765
1766         if (WARN_ON(skb == NULL ||
1767                     (if_idx > (wmi->parent_dev->vif_max - 1)))) {
1768                 dev_kfree_skb(skb);
1769                 return -EINVAL;
1770         }
1771
1772         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1773                    cmd_id, skb->len, sync_flag);
1774         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1775                         skb->data, skb->len);
1776
1777         if (sync_flag >= END_WMIFLAG) {
1778                 dev_kfree_skb(skb);
1779                 return -EINVAL;
1780         }
1781
1782         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1783             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1784                 /*
1785                  * Make sure all data currently queued is transmitted before
1786                  * the cmd execution.  Establish a new sync point.
1787                  */
1788                 ath6kl_wmi_sync_point(wmi, if_idx);
1789         }
1790
1791         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1792
1793         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1794         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1795         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1796         cmd_hdr->info1 = cpu_to_le16(info1);
1797
1798         /* Only for OPT_TX_CMD, use BE endpoint. */
1799         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1800                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1801                                               false, false, 0, NULL, if_idx);
1802                 if (ret) {
1803                         dev_kfree_skb(skb);
1804                         return ret;
1805                 }
1806                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1807         }
1808
1809         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1810
1811         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1812             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1813                 /*
1814                  * Make sure all new data queued waits for the command to
1815                  * execute. Establish a new sync point.
1816                  */
1817                 ath6kl_wmi_sync_point(wmi, if_idx);
1818         }
1819
1820         return 0;
1821 }
1822
1823 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1824                            enum network_type nw_type,
1825                            enum dot11_auth_mode dot11_auth_mode,
1826                            enum auth_mode auth_mode,
1827                            enum crypto_type pairwise_crypto,
1828                            u8 pairwise_crypto_len,
1829                            enum crypto_type group_crypto,
1830                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1831                            u8 *bssid, u16 channel, u32 ctrl_flags,
1832                            u8 nw_subtype)
1833 {
1834         struct sk_buff *skb;
1835         struct wmi_connect_cmd *cc;
1836         int ret;
1837
1838         ath6kl_dbg(ATH6KL_DBG_WMI,
1839                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1840                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1841                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1842                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1843         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1844
1845         wmi->traffic_class = 100;
1846
1847         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1848                 return -EINVAL;
1849
1850         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1851                 return -EINVAL;
1852
1853         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1854         if (!skb)
1855                 return -ENOMEM;
1856
1857         cc = (struct wmi_connect_cmd *) skb->data;
1858
1859         if (ssid_len)
1860                 memcpy(cc->ssid, ssid, ssid_len);
1861
1862         cc->ssid_len = ssid_len;
1863         cc->nw_type = nw_type;
1864         cc->dot11_auth_mode = dot11_auth_mode;
1865         cc->auth_mode = auth_mode;
1866         cc->prwise_crypto_type = pairwise_crypto;
1867         cc->prwise_crypto_len = pairwise_crypto_len;
1868         cc->grp_crypto_type = group_crypto;
1869         cc->grp_crypto_len = group_crypto_len;
1870         cc->ch = cpu_to_le16(channel);
1871         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1872         cc->nw_subtype = nw_subtype;
1873
1874         if (bssid != NULL)
1875                 memcpy(cc->bssid, bssid, ETH_ALEN);
1876
1877         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1878                                   NO_SYNC_WMIFLAG);
1879
1880         return ret;
1881 }
1882
1883 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1884                              u16 channel)
1885 {
1886         struct sk_buff *skb;
1887         struct wmi_reconnect_cmd *cc;
1888         int ret;
1889
1890         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1891                    bssid, channel);
1892
1893         wmi->traffic_class = 100;
1894
1895         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1896         if (!skb)
1897                 return -ENOMEM;
1898
1899         cc = (struct wmi_reconnect_cmd *) skb->data;
1900         cc->channel = cpu_to_le16(channel);
1901
1902         if (bssid != NULL)
1903                 memcpy(cc->bssid, bssid, ETH_ALEN);
1904
1905         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1906                                   NO_SYNC_WMIFLAG);
1907
1908         return ret;
1909 }
1910
1911 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1912 {
1913         int ret;
1914
1915         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1916
1917         wmi->traffic_class = 100;
1918
1919         /* Disconnect command does not need to do a SYNC before. */
1920         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1921
1922         return ret;
1923 }
1924
1925 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1926  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1927  * mgmt operations using station interface.
1928  */
1929 static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1930                                     enum wmi_scan_type scan_type,
1931                                     u32 force_fgscan, u32 is_legacy,
1932                                     u32 home_dwell_time,
1933                                     u32 force_scan_interval,
1934                                     s8 num_chan, u16 *ch_list)
1935 {
1936         struct sk_buff *skb;
1937         struct wmi_start_scan_cmd *sc;
1938         s8 size;
1939         int i, ret;
1940
1941         size = sizeof(struct wmi_start_scan_cmd);
1942
1943         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1944                 return -EINVAL;
1945
1946         if (num_chan > WMI_MAX_CHANNELS)
1947                 return -EINVAL;
1948
1949         if (num_chan)
1950                 size += sizeof(u16) * (num_chan - 1);
1951
1952         skb = ath6kl_wmi_get_new_buf(size);
1953         if (!skb)
1954                 return -ENOMEM;
1955
1956         sc = (struct wmi_start_scan_cmd *) skb->data;
1957         sc->scan_type = scan_type;
1958         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1959         sc->is_legacy = cpu_to_le32(is_legacy);
1960         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1961         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1962         sc->num_ch = num_chan;
1963
1964         for (i = 0; i < num_chan; i++)
1965                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1966
1967         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1968                                   NO_SYNC_WMIFLAG);
1969
1970         return ret;
1971 }
1972
1973 /*
1974  * beginscan supports (compared to old startscan) P2P mgmt operations using
1975  * station interface, send additional information like supported rates to
1976  * advertise and xmit rates for probe requests
1977  */
1978 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1979                              enum wmi_scan_type scan_type,
1980                              u32 force_fgscan, u32 is_legacy,
1981                              u32 home_dwell_time, u32 force_scan_interval,
1982                              s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
1983 {
1984         struct ieee80211_supported_band *sband;
1985         struct sk_buff *skb;
1986         struct wmi_begin_scan_cmd *sc;
1987         s8 size, *supp_rates;
1988         int i, band, ret;
1989         struct ath6kl *ar = wmi->parent_dev;
1990         int num_rates;
1991         u32 ratemask;
1992
1993         if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1994                       ar->fw_capabilities)) {
1995                 return ath6kl_wmi_startscan_cmd(wmi, if_idx,
1996                                                 scan_type, force_fgscan,
1997                                                 is_legacy, home_dwell_time,
1998                                                 force_scan_interval,
1999                                                 num_chan, ch_list);
2000         }
2001
2002         size = sizeof(struct wmi_begin_scan_cmd);
2003
2004         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
2005                 return -EINVAL;
2006
2007         if (num_chan > WMI_MAX_CHANNELS)
2008                 return -EINVAL;
2009
2010         if (num_chan)
2011                 size += sizeof(u16) * (num_chan - 1);
2012
2013         skb = ath6kl_wmi_get_new_buf(size);
2014         if (!skb)
2015                 return -ENOMEM;
2016
2017         sc = (struct wmi_begin_scan_cmd *) skb->data;
2018         sc->scan_type = scan_type;
2019         sc->force_fg_scan = cpu_to_le32(force_fgscan);
2020         sc->is_legacy = cpu_to_le32(is_legacy);
2021         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
2022         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
2023         sc->no_cck = cpu_to_le32(no_cck);
2024         sc->num_ch = num_chan;
2025
2026         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2027                 sband = ar->wiphy->bands[band];
2028
2029                 if (!sband)
2030                         continue;
2031
2032                 if (WARN_ON(band >= ATH6KL_NUM_BANDS))
2033                         break;
2034
2035                 ratemask = rates[band];
2036                 supp_rates = sc->supp_rates[band].rates;
2037                 num_rates = 0;
2038
2039                 for (i = 0; i < sband->n_bitrates; i++) {
2040                         if ((BIT(i) & ratemask) == 0)
2041                                 continue; /* skip rate */
2042                         supp_rates[num_rates++] =
2043                             (u8) (sband->bitrates[i].bitrate / 5);
2044                 }
2045                 sc->supp_rates[band].nrates = num_rates;
2046         }
2047
2048         for (i = 0; i < num_chan; i++)
2049                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2050
2051         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
2052                                   NO_SYNC_WMIFLAG);
2053
2054         return ret;
2055 }
2056
2057 int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2058 {
2059         struct sk_buff *skb;
2060         struct wmi_enable_sched_scan_cmd *sc;
2061         int ret;
2062
2063         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2064         if (!skb)
2065                 return -ENOMEM;
2066
2067         ath6kl_dbg(ATH6KL_DBG_WMI, "%s scheduled scan on vif %d\n",
2068                    enable ? "enabling" : "disabling", if_idx);
2069         sc = (struct wmi_enable_sched_scan_cmd *) skb->data;
2070         sc->enable = enable ? 1 : 0;
2071
2072         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2073                                   WMI_ENABLE_SCHED_SCAN_CMDID,
2074                                   NO_SYNC_WMIFLAG);
2075         return ret;
2076 }
2077
2078 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
2079                               u16 fg_start_sec,
2080                               u16 fg_end_sec, u16 bg_sec,
2081                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
2082                               u16 pas_chdw_msec, u8 short_scan_ratio,
2083                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
2084                               u16 maxact_scan_per_ssid)
2085 {
2086         struct sk_buff *skb;
2087         struct wmi_scan_params_cmd *sc;
2088         int ret;
2089
2090         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2091         if (!skb)
2092                 return -ENOMEM;
2093
2094         sc = (struct wmi_scan_params_cmd *) skb->data;
2095         sc->fg_start_period = cpu_to_le16(fg_start_sec);
2096         sc->fg_end_period = cpu_to_le16(fg_end_sec);
2097         sc->bg_period = cpu_to_le16(bg_sec);
2098         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
2099         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
2100         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
2101         sc->short_scan_ratio = short_scan_ratio;
2102         sc->scan_ctrl_flags = scan_ctrl_flag;
2103         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
2104         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
2105
2106         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
2107                                   NO_SYNC_WMIFLAG);
2108         return ret;
2109 }
2110
2111 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
2112 {
2113         struct sk_buff *skb;
2114         struct wmi_bss_filter_cmd *cmd;
2115         int ret;
2116
2117         if (filter >= LAST_BSS_FILTER)
2118                 return -EINVAL;
2119
2120         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2121         if (!skb)
2122                 return -ENOMEM;
2123
2124         cmd = (struct wmi_bss_filter_cmd *) skb->data;
2125         cmd->bss_filter = filter;
2126         cmd->ie_mask = cpu_to_le32(ie_mask);
2127
2128         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
2129                                   NO_SYNC_WMIFLAG);
2130         return ret;
2131 }
2132
2133 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2134                               u8 ssid_len, u8 *ssid)
2135 {
2136         struct sk_buff *skb;
2137         struct wmi_probed_ssid_cmd *cmd;
2138         int ret;
2139
2140         if (index >= MAX_PROBED_SSIDS)
2141                 return -EINVAL;
2142
2143         if (ssid_len > sizeof(cmd->ssid))
2144                 return -EINVAL;
2145
2146         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2147                 return -EINVAL;
2148
2149         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2150                 return -EINVAL;
2151
2152         if (flag & SPECIFIC_SSID_FLAG)
2153                 wmi->is_probe_ssid = true;
2154
2155         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2156         if (!skb)
2157                 return -ENOMEM;
2158
2159         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2160         cmd->entry_index = index;
2161         cmd->flag = flag;
2162         cmd->ssid_len = ssid_len;
2163         memcpy(cmd->ssid, ssid, ssid_len);
2164
2165         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2166                                   NO_SYNC_WMIFLAG);
2167         return ret;
2168 }
2169
2170 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2171                                   u16 listen_interval,
2172                                   u16 listen_beacons)
2173 {
2174         struct sk_buff *skb;
2175         struct wmi_listen_int_cmd *cmd;
2176         int ret;
2177
2178         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2179         if (!skb)
2180                 return -ENOMEM;
2181
2182         cmd = (struct wmi_listen_int_cmd *) skb->data;
2183         cmd->listen_intvl = cpu_to_le16(listen_interval);
2184         cmd->num_beacons = cpu_to_le16(listen_beacons);
2185
2186         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2187                                   NO_SYNC_WMIFLAG);
2188         return ret;
2189 }
2190
2191 int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2192                              u16 bmiss_time, u16 num_beacons)
2193 {
2194         struct sk_buff *skb;
2195         struct wmi_bmiss_time_cmd *cmd;
2196         int ret;
2197
2198         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2199         if (!skb)
2200                 return -ENOMEM;
2201
2202         cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2203         cmd->bmiss_time = cpu_to_le16(bmiss_time);
2204         cmd->num_beacons = cpu_to_le16(num_beacons);
2205
2206         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2207                                   NO_SYNC_WMIFLAG);
2208         return ret;
2209 }
2210
2211 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2212 {
2213         struct sk_buff *skb;
2214         struct wmi_power_mode_cmd *cmd;
2215         int ret;
2216
2217         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2218         if (!skb)
2219                 return -ENOMEM;
2220
2221         cmd = (struct wmi_power_mode_cmd *) skb->data;
2222         cmd->pwr_mode = pwr_mode;
2223         wmi->pwr_mode = pwr_mode;
2224
2225         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2226                                   NO_SYNC_WMIFLAG);
2227         return ret;
2228 }
2229
2230 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2231                             u16 ps_poll_num, u16 dtim_policy,
2232                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2233                             u16 ps_fail_event_policy)
2234 {
2235         struct sk_buff *skb;
2236         struct wmi_power_params_cmd *pm;
2237         int ret;
2238
2239         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2240         if (!skb)
2241                 return -ENOMEM;
2242
2243         pm = (struct wmi_power_params_cmd *)skb->data;
2244         pm->idle_period = cpu_to_le16(idle_period);
2245         pm->pspoll_number = cpu_to_le16(ps_poll_num);
2246         pm->dtim_policy = cpu_to_le16(dtim_policy);
2247         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2248         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2249         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2250
2251         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2252                                   NO_SYNC_WMIFLAG);
2253         return ret;
2254 }
2255
2256 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2257 {
2258         struct sk_buff *skb;
2259         struct wmi_disc_timeout_cmd *cmd;
2260         int ret;
2261
2262         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2263         if (!skb)
2264                 return -ENOMEM;
2265
2266         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2267         cmd->discon_timeout = timeout;
2268
2269         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2270                                   NO_SYNC_WMIFLAG);
2271
2272         if (ret == 0)
2273                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2274
2275         return ret;
2276 }
2277
2278 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2279                           enum crypto_type key_type,
2280                           u8 key_usage, u8 key_len,
2281                           u8 *key_rsc, unsigned int key_rsc_len,
2282                           u8 *key_material,
2283                           u8 key_op_ctrl, u8 *mac_addr,
2284                           enum wmi_sync_flag sync_flag)
2285 {
2286         struct sk_buff *skb;
2287         struct wmi_add_cipher_key_cmd *cmd;
2288         int ret;
2289
2290         ath6kl_dbg(ATH6KL_DBG_WMI,
2291                    "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2292                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2293
2294         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2295             (key_material == NULL) || key_rsc_len > 8)
2296                 return -EINVAL;
2297
2298         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2299                 return -EINVAL;
2300
2301         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2302         if (!skb)
2303                 return -ENOMEM;
2304
2305         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2306         cmd->key_index = key_index;
2307         cmd->key_type = key_type;
2308         cmd->key_usage = key_usage;
2309         cmd->key_len = key_len;
2310         memcpy(cmd->key, key_material, key_len);
2311
2312         if (key_rsc != NULL)
2313                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2314
2315         cmd->key_op_ctrl = key_op_ctrl;
2316
2317         if (mac_addr)
2318                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2319
2320         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2321                                   sync_flag);
2322
2323         return ret;
2324 }
2325
2326 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk)
2327 {
2328         struct sk_buff *skb;
2329         struct wmi_add_krk_cmd *cmd;
2330         int ret;
2331
2332         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2333         if (!skb)
2334                 return -ENOMEM;
2335
2336         cmd = (struct wmi_add_krk_cmd *) skb->data;
2337         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2338
2339         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2340                                   NO_SYNC_WMIFLAG);
2341
2342         return ret;
2343 }
2344
2345 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2346 {
2347         struct sk_buff *skb;
2348         struct wmi_delete_cipher_key_cmd *cmd;
2349         int ret;
2350
2351         if (key_index > WMI_MAX_KEY_INDEX)
2352                 return -EINVAL;
2353
2354         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2355         if (!skb)
2356                 return -ENOMEM;
2357
2358         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2359         cmd->key_index = key_index;
2360
2361         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2362                                   NO_SYNC_WMIFLAG);
2363
2364         return ret;
2365 }
2366
2367 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2368                             const u8 *pmkid, bool set)
2369 {
2370         struct sk_buff *skb;
2371         struct wmi_setpmkid_cmd *cmd;
2372         int ret;
2373
2374         if (bssid == NULL)
2375                 return -EINVAL;
2376
2377         if (set && pmkid == NULL)
2378                 return -EINVAL;
2379
2380         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2381         if (!skb)
2382                 return -ENOMEM;
2383
2384         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2385         memcpy(cmd->bssid, bssid, ETH_ALEN);
2386         if (set) {
2387                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2388                 cmd->enable = PMKID_ENABLE;
2389         } else {
2390                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2391                 cmd->enable = PMKID_DISABLE;
2392         }
2393
2394         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2395                                   NO_SYNC_WMIFLAG);
2396
2397         return ret;
2398 }
2399
2400 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2401                               enum htc_endpoint_id ep_id, u8 if_idx)
2402 {
2403         struct wmi_data_hdr *data_hdr;
2404         int ret;
2405
2406         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {
2407                 dev_kfree_skb(skb);
2408                 return -EINVAL;
2409         }
2410
2411         skb_push(skb, sizeof(struct wmi_data_hdr));
2412
2413         data_hdr = (struct wmi_data_hdr *) skb->data;
2414         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2415         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2416
2417         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2418
2419         return ret;
2420 }
2421
2422 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2423 {
2424         struct sk_buff *skb;
2425         struct wmi_sync_cmd *cmd;
2426         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2427         enum htc_endpoint_id ep_id;
2428         u8 index, num_pri_streams = 0;
2429         int ret = 0;
2430
2431         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2432
2433         spin_lock_bh(&wmi->lock);
2434
2435         for (index = 0; index < WMM_NUM_AC; index++) {
2436                 if (wmi->fat_pipe_exist & (1 << index)) {
2437                         num_pri_streams++;
2438                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2439                             index;
2440                 }
2441         }
2442
2443         spin_unlock_bh(&wmi->lock);
2444
2445         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2446         if (!skb)
2447                 return -ENOMEM;
2448
2449         cmd = (struct wmi_sync_cmd *) skb->data;
2450
2451         /*
2452          * In the SYNC cmd sent on the control Ep, send a bitmap
2453          * of the data eps on which the Data Sync will be sent
2454          */
2455         cmd->data_sync_map = wmi->fat_pipe_exist;
2456
2457         for (index = 0; index < num_pri_streams; index++) {
2458                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2459                 if (data_sync_bufs[index].skb == NULL) {
2460                         ret = -ENOMEM;
2461                         break;
2462                 }
2463         }
2464
2465         /*
2466          * If buffer allocation for any of the dataSync fails,
2467          * then do not send the Synchronize cmd on the control ep
2468          */
2469         if (ret)
2470                 goto free_cmd_skb;
2471
2472         /*
2473          * Send sync cmd followed by sync data messages on all
2474          * endpoints being used
2475          */
2476         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2477                                   NO_SYNC_WMIFLAG);
2478
2479         if (ret)
2480                 goto free_data_skb;
2481
2482         for (index = 0; index < num_pri_streams; index++) {
2483
2484                 if (WARN_ON(!data_sync_bufs[index].skb))
2485                         goto free_data_skb;
2486
2487                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2488                                                data_sync_bufs[index].
2489                                                traffic_class);
2490                 ret =
2491                     ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2492                                               ep_id, if_idx);
2493
2494                 data_sync_bufs[index].skb = NULL;
2495
2496                 if (ret)
2497                         goto free_data_skb;
2498         }
2499
2500         return 0;
2501
2502 free_cmd_skb:
2503         /* free up any resources left over (possibly due to an error) */
2504         dev_kfree_skb(skb);
2505
2506 free_data_skb:
2507         for (index = 0; index < num_pri_streams; index++)
2508                 dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].skb);
2509
2510         return ret;
2511 }
2512
2513 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2514                                   struct wmi_create_pstream_cmd *params)
2515 {
2516         struct sk_buff *skb;
2517         struct wmi_create_pstream_cmd *cmd;
2518         u8 fatpipe_exist_for_ac = 0;
2519         s32 min_phy = 0;
2520         s32 nominal_phy = 0;
2521         int ret;
2522
2523         if (!((params->user_pri < 8) &&
2524               (params->user_pri <= 0x7) &&
2525               (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2526               (params->traffic_direc == UPLINK_TRAFFIC ||
2527                params->traffic_direc == DNLINK_TRAFFIC ||
2528                params->traffic_direc == BIDIR_TRAFFIC) &&
2529               (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2530                params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2531               (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2532                params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2533                params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2534               (params->tsid == WMI_IMPLICIT_PSTREAM ||
2535                params->tsid <= WMI_MAX_THINSTREAM))) {
2536                 return -EINVAL;
2537         }
2538
2539         /*
2540          * Check nominal PHY rate is >= minimalPHY,
2541          * so that DUT can allow TSRS IE
2542          */
2543
2544         /* Get the physical rate (units of bps) */
2545         min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2546
2547         /* Check minimal phy < nominal phy rate */
2548         if (params->nominal_phy >= min_phy) {
2549                 /* unit of 500 kbps */
2550                 nominal_phy = (params->nominal_phy * 1000) / 500;
2551                 ath6kl_dbg(ATH6KL_DBG_WMI,
2552                            "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2553                            min_phy, nominal_phy);
2554
2555                 params->nominal_phy = nominal_phy;
2556         } else {
2557                 params->nominal_phy = 0;
2558         }
2559
2560         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2561         if (!skb)
2562                 return -ENOMEM;
2563
2564         ath6kl_dbg(ATH6KL_DBG_WMI,
2565                    "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2566                    params->traffic_class, params->tsid);
2567
2568         cmd = (struct wmi_create_pstream_cmd *) skb->data;
2569         memcpy(cmd, params, sizeof(*cmd));
2570
2571         /* This is an implicitly created Fat pipe */
2572         if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2573                 spin_lock_bh(&wmi->lock);
2574                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2575                                         (1 << params->traffic_class));
2576                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2577                 spin_unlock_bh(&wmi->lock);
2578         } else {
2579                 /* explicitly created thin stream within a fat pipe */
2580                 spin_lock_bh(&wmi->lock);
2581                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2582                                         (1 << params->traffic_class));
2583                 wmi->stream_exist_for_ac[params->traffic_class] |=
2584                     (1 << params->tsid);
2585                 /*
2586                  * If a thinstream becomes active, the fat pipe automatically
2587                  * becomes active
2588                  */
2589                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2590                 spin_unlock_bh(&wmi->lock);
2591         }
2592
2593         /*
2594          * Indicate activty change to driver layer only if this is the
2595          * first TSID to get created in this AC explicitly or an implicit
2596          * fat pipe is getting created.
2597          */
2598         if (!fatpipe_exist_for_ac)
2599                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2600                                             params->traffic_class, true);
2601
2602         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2603                                   NO_SYNC_WMIFLAG);
2604         return ret;
2605 }
2606
2607 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2608                                   u8 tsid)
2609 {
2610         struct sk_buff *skb;
2611         struct wmi_delete_pstream_cmd *cmd;
2612         u16 active_tsids = 0;
2613         int ret;
2614
2615         if (traffic_class > 3) {
2616                 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2617                 return -EINVAL;
2618         }
2619
2620         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2621         if (!skb)
2622                 return -ENOMEM;
2623
2624         cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2625         cmd->traffic_class = traffic_class;
2626         cmd->tsid = tsid;
2627
2628         spin_lock_bh(&wmi->lock);
2629         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2630         spin_unlock_bh(&wmi->lock);
2631
2632         if (!(active_tsids & (1 << tsid))) {
2633                 dev_kfree_skb(skb);
2634                 ath6kl_dbg(ATH6KL_DBG_WMI,
2635                            "TSID %d doesn't exist for traffic class: %d\n",
2636                            tsid, traffic_class);
2637                 return -ENODATA;
2638         }
2639
2640         ath6kl_dbg(ATH6KL_DBG_WMI,
2641                    "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2642                    traffic_class, tsid);
2643
2644         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2645                                   SYNC_BEFORE_WMIFLAG);
2646
2647         spin_lock_bh(&wmi->lock);
2648         wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2649         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2650         spin_unlock_bh(&wmi->lock);
2651
2652         /*
2653          * Indicate stream inactivity to driver layer only if all tsids
2654          * within this AC are deleted.
2655          */
2656         if (!active_tsids) {
2657                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2658                                             traffic_class, false);
2659                 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2660         }
2661
2662         return ret;
2663 }
2664
2665 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2666                           __be32 ips0, __be32 ips1)
2667 {
2668         struct sk_buff *skb;
2669         struct wmi_set_ip_cmd *cmd;
2670         int ret;
2671
2672         /* Multicast address are not valid */
2673         if (ipv4_is_multicast(ips0) ||
2674             ipv4_is_multicast(ips1))
2675                 return -EINVAL;
2676
2677         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2678         if (!skb)
2679                 return -ENOMEM;
2680
2681         cmd = (struct wmi_set_ip_cmd *) skb->data;
2682         cmd->ips[0] = ips0;
2683         cmd->ips[1] = ips1;
2684
2685         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2686                                   NO_SYNC_WMIFLAG);
2687         return ret;
2688 }
2689
2690 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2691 {
2692         u16 active_tsids;
2693         u8 stream_exist;
2694         int i;
2695
2696         /*
2697          * Relinquish credits from all implicitly created pstreams
2698          * since when we go to sleep. If user created explicit
2699          * thinstreams exists with in a fatpipe leave them intact
2700          * for the user to delete.
2701          */
2702         spin_lock_bh(&wmi->lock);
2703         stream_exist = wmi->fat_pipe_exist;
2704         spin_unlock_bh(&wmi->lock);
2705
2706         for (i = 0; i < WMM_NUM_AC; i++) {
2707                 if (stream_exist & (1 << i)) {
2708
2709                         /*
2710                          * FIXME: Is this lock & unlock inside
2711                          * for loop correct? may need rework.
2712                          */
2713                         spin_lock_bh(&wmi->lock);
2714                         active_tsids = wmi->stream_exist_for_ac[i];
2715                         spin_unlock_bh(&wmi->lock);
2716
2717                         /*
2718                          * If there are no user created thin streams
2719                          * delete the fatpipe
2720                          */
2721                         if (!active_tsids) {
2722                                 stream_exist &= ~(1 << i);
2723                                 /*
2724                                  * Indicate inactivity to driver layer for
2725                                  * this fatpipe (pstream)
2726                                  */
2727                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2728                                                             i, false);
2729                         }
2730                 }
2731         }
2732
2733         /* FIXME: Can we do this assignment without locking ? */
2734         spin_lock_bh(&wmi->lock);
2735         wmi->fat_pipe_exist = stream_exist;
2736         spin_unlock_bh(&wmi->lock);
2737 }
2738
2739 static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2740                                      const struct cfg80211_bitrate_mask *mask)
2741 {
2742         struct sk_buff *skb;
2743         int ret, mode, band;
2744         u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2745         struct wmi_set_tx_select_rates64_cmd *cmd;
2746
2747         memset(&ratemask, 0, sizeof(ratemask));
2748
2749         /* only check 2.4 and 5 GHz bands, skip the rest */
2750         for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2751                 /* copy legacy rate mask */
2752                 ratemask[band] = mask->control[band].legacy;
2753                 if (band == IEEE80211_BAND_5GHZ)
2754                         ratemask[band] =
2755                                 mask->control[band].legacy << 4;
2756
2757                 /* copy mcs rate mask */
2758                 mcsrate = mask->control[band].mcs[1];
2759                 mcsrate <<= 8;
2760                 mcsrate |= mask->control[band].mcs[0];
2761                 ratemask[band] |= mcsrate << 12;
2762                 ratemask[band] |= mcsrate << 28;
2763         }
2764
2765         ath6kl_dbg(ATH6KL_DBG_WMI,
2766                    "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2767                    ratemask[0], ratemask[1]);
2768
2769         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2770         if (!skb)
2771                 return -ENOMEM;
2772
2773         cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2774         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2775                 /* A mode operate in 5GHZ band */
2776                 if (mode == WMI_RATES_MODE_11A ||
2777                     mode == WMI_RATES_MODE_11A_HT20 ||
2778                     mode == WMI_RATES_MODE_11A_HT40)
2779                         band = IEEE80211_BAND_5GHZ;
2780                 else
2781                         band = IEEE80211_BAND_2GHZ;
2782                 cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2783         }
2784
2785         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2786                                   WMI_SET_TX_SELECT_RATES_CMDID,
2787                                   NO_SYNC_WMIFLAG);
2788         return ret;
2789 }
2790
2791 static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2792                                      const struct cfg80211_bitrate_mask *mask)
2793 {
2794         struct sk_buff *skb;
2795         int ret, mode, band;
2796         u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2797         struct wmi_set_tx_select_rates32_cmd *cmd;
2798
2799         memset(&ratemask, 0, sizeof(ratemask));
2800
2801         /* only check 2.4 and 5 GHz bands, skip the rest */
2802         for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2803                 /* copy legacy rate mask */
2804                 ratemask[band] = mask->control[band].legacy;
2805                 if (band == IEEE80211_BAND_5GHZ)
2806                         ratemask[band] =
2807                                 mask->control[band].legacy << 4;
2808
2809                 /* copy mcs rate mask */
2810                 mcsrate = mask->control[band].mcs[0];
2811                 ratemask[band] |= mcsrate << 12;
2812                 ratemask[band] |= mcsrate << 20;
2813         }
2814
2815         ath6kl_dbg(ATH6KL_DBG_WMI,
2816                    "Ratemask 32 bit: 2.4:%x 5:%x\n",
2817                    ratemask[0], ratemask[1]);
2818
2819         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2820         if (!skb)
2821                 return -ENOMEM;
2822
2823         cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2824         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2825                 /* A mode operate in 5GHZ band */
2826                 if (mode == WMI_RATES_MODE_11A ||
2827                     mode == WMI_RATES_MODE_11A_HT20 ||
2828                     mode == WMI_RATES_MODE_11A_HT40)
2829                         band = IEEE80211_BAND_5GHZ;
2830                 else
2831                         band = IEEE80211_BAND_2GHZ;
2832                 cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2833         }
2834
2835         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2836                                   WMI_SET_TX_SELECT_RATES_CMDID,
2837                                   NO_SYNC_WMIFLAG);
2838         return ret;
2839 }
2840
2841 int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2842                                 const struct cfg80211_bitrate_mask *mask)
2843 {
2844         struct ath6kl *ar = wmi->parent_dev;
2845
2846         if (ar->hw.flags & ATH6KL_HW_64BIT_RATES)
2847                 return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
2848         else
2849                 return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
2850 }
2851
2852 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2853                                        enum ath6kl_host_mode host_mode)
2854 {
2855         struct sk_buff *skb;
2856         struct wmi_set_host_sleep_mode_cmd *cmd;
2857         int ret;
2858
2859         if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2860             (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2861                 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2862                 return -EINVAL;
2863         }
2864
2865         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2866         if (!skb)
2867                 return -ENOMEM;
2868
2869         cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2870
2871         if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2872                 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2873                 cmd->asleep = cpu_to_le32(1);
2874         } else
2875                 cmd->awake = cpu_to_le32(1);
2876
2877         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2878                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2879                                   NO_SYNC_WMIFLAG);
2880         return ret;
2881 }
2882
2883 /* This command has zero length payload */
2884 static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2885                                                       struct ath6kl_vif *vif)
2886 {
2887         struct ath6kl *ar = wmi->parent_dev;
2888
2889         set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2890         wake_up(&ar->event_wq);
2891
2892         return 0;
2893 }
2894
2895 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2896                                 enum ath6kl_wow_mode wow_mode,
2897                                 u32 filter, u16 host_req_delay)
2898 {
2899         struct sk_buff *skb;
2900         struct wmi_set_wow_mode_cmd *cmd;
2901         int ret;
2902
2903         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2904             wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2905                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2906                 return -EINVAL;
2907         }
2908
2909         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2910         if (!skb)
2911                 return -ENOMEM;
2912
2913         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2914         cmd->enable_wow = cpu_to_le32(wow_mode);
2915         cmd->filter = cpu_to_le32(filter);
2916         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2917
2918         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2919                                   NO_SYNC_WMIFLAG);
2920         return ret;
2921 }
2922
2923 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2924                                    u8 list_id, u8 filter_size,
2925                                    u8 filter_offset, const u8 *filter,
2926                                    const u8 *mask)
2927 {
2928         struct sk_buff *skb;
2929         struct wmi_add_wow_pattern_cmd *cmd;
2930         u16 size;
2931         u8 *filter_mask;
2932         int ret;
2933
2934         /*
2935          * Allocate additional memory in the buffer to hold
2936          * filter and mask value, which is twice of filter_size.
2937          */
2938         size = sizeof(*cmd) + (2 * filter_size);
2939
2940         skb = ath6kl_wmi_get_new_buf(size);
2941         if (!skb)
2942                 return -ENOMEM;
2943
2944         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2945         cmd->filter_list_id = list_id;
2946         cmd->filter_size = filter_size;
2947         cmd->filter_offset = filter_offset;
2948
2949         memcpy(cmd->filter, filter, filter_size);
2950
2951         filter_mask = (u8 *) (cmd->filter + filter_size);
2952         memcpy(filter_mask, mask, filter_size);
2953
2954         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2955                                   NO_SYNC_WMIFLAG);
2956
2957         return ret;
2958 }
2959
2960 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2961                                    u16 list_id, u16 filter_id)
2962 {
2963         struct sk_buff *skb;
2964         struct wmi_del_wow_pattern_cmd *cmd;
2965         int ret;
2966
2967         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2968         if (!skb)
2969                 return -ENOMEM;
2970
2971         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2972         cmd->filter_list_id = cpu_to_le16(list_id);
2973         cmd->filter_id = cpu_to_le16(filter_id);
2974
2975         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2976                                   NO_SYNC_WMIFLAG);
2977         return ret;
2978 }
2979
2980 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2981                                     enum wmix_command_id cmd_id,
2982                                     enum wmi_sync_flag sync_flag)
2983 {
2984         struct wmix_cmd_hdr *cmd_hdr;
2985         int ret;
2986
2987         skb_push(skb, sizeof(struct wmix_cmd_hdr));
2988
2989         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2990         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2991
2992         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
2993
2994         return ret;
2995 }
2996
2997 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2998 {
2999         struct sk_buff *skb;
3000         struct wmix_hb_challenge_resp_cmd *cmd;
3001         int ret;
3002
3003         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3004         if (!skb)
3005                 return -ENOMEM;
3006
3007         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
3008         cmd->cookie = cpu_to_le32(cookie);
3009         cmd->source = cpu_to_le32(source);
3010
3011         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
3012                                        NO_SYNC_WMIFLAG);
3013         return ret;
3014 }
3015
3016 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
3017 {
3018         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
3019         struct sk_buff *skb;
3020         int ret;
3021
3022         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3023         if (!skb)
3024                 return -ENOMEM;
3025
3026         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
3027         cmd->valid = cpu_to_le32(valid);
3028         cmd->config = cpu_to_le32(config);
3029
3030         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
3031                                        NO_SYNC_WMIFLAG);
3032         return ret;
3033 }
3034
3035 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
3036 {
3037         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
3038 }
3039
3040 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
3041 {
3042         struct sk_buff *skb;
3043         struct wmi_set_tx_pwr_cmd *cmd;
3044         int ret;
3045
3046         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
3047         if (!skb)
3048                 return -ENOMEM;
3049
3050         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
3051         cmd->dbM = dbM;
3052
3053         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
3054                                   NO_SYNC_WMIFLAG);
3055
3056         return ret;
3057 }
3058
3059 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
3060 {
3061         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
3062 }
3063
3064 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
3065 {
3066         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
3067 }
3068
3069 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
3070                                  u8 preamble_policy)
3071 {
3072         struct sk_buff *skb;
3073         struct wmi_set_lpreamble_cmd *cmd;
3074         int ret;
3075
3076         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
3077         if (!skb)
3078                 return -ENOMEM;
3079
3080         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
3081         cmd->status = status;
3082         cmd->preamble_policy = preamble_policy;
3083
3084         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
3085                                   NO_SYNC_WMIFLAG);
3086         return ret;
3087 }
3088
3089 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
3090 {
3091         struct sk_buff *skb;
3092         struct wmi_set_rts_cmd *cmd;
3093         int ret;
3094
3095         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
3096         if (!skb)
3097                 return -ENOMEM;
3098
3099         cmd = (struct wmi_set_rts_cmd *) skb->data;
3100         cmd->threshold = cpu_to_le16(threshold);
3101
3102         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
3103                                   NO_SYNC_WMIFLAG);
3104         return ret;
3105 }
3106
3107 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
3108 {
3109         struct sk_buff *skb;
3110         struct wmi_set_wmm_txop_cmd *cmd;
3111         int ret;
3112
3113         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
3114                 return -EINVAL;
3115
3116         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
3117         if (!skb)
3118                 return -ENOMEM;
3119
3120         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
3121         cmd->txop_enable = cfg;
3122
3123         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
3124                                   NO_SYNC_WMIFLAG);
3125         return ret;
3126 }
3127
3128 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3129                                  u8 keep_alive_intvl)
3130 {
3131         struct sk_buff *skb;
3132         struct wmi_set_keepalive_cmd *cmd;
3133         int ret;
3134
3135         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3136         if (!skb)
3137                 return -ENOMEM;
3138
3139         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3140         cmd->keep_alive_intvl = keep_alive_intvl;
3141
3142         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
3143                                   NO_SYNC_WMIFLAG);
3144
3145         if (ret == 0)
3146                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
3147
3148         return ret;
3149 }
3150
3151 int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3152                              enum ieee80211_band band,
3153                              struct ath6kl_htcap *htcap)
3154 {
3155         struct sk_buff *skb;
3156         struct wmi_set_htcap_cmd *cmd;
3157
3158         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3159         if (!skb)
3160                 return -ENOMEM;
3161
3162         cmd = (struct wmi_set_htcap_cmd *) skb->data;
3163
3164         /*
3165          * NOTE: Band in firmware matches enum ieee80211_band, it is unlikely
3166          * this will be changed in firmware. If at all there is any change in
3167          * band value, the host needs to be fixed.
3168          */
3169         cmd->band = band;
3170         cmd->ht_enable = !!htcap->ht_enable;
3171         cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3172         cmd->ht40_supported =
3173                 !!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3174         cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3175         cmd->intolerant_40mhz =
3176                 !!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3177         cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3178
3179         ath6kl_dbg(ATH6KL_DBG_WMI,
3180                    "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3181                    cmd->band, cmd->ht_enable, cmd->ht40_supported,
3182                    cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3183                    cmd->max_ampdu_len_exp);
3184         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
3185                                    NO_SYNC_WMIFLAG);
3186 }
3187
3188 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3189 {
3190         struct sk_buff *skb;
3191         int ret;
3192
3193         skb = ath6kl_wmi_get_new_buf(len);
3194         if (!skb)
3195                 return -ENOMEM;
3196
3197         memcpy(skb->data, buf, len);
3198
3199         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
3200
3201         return ret;
3202 }
3203
3204 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3205 {
3206         struct sk_buff *skb;
3207         struct wmi_mcast_filter_cmd *cmd;
3208         int ret;
3209
3210         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3211         if (!skb)
3212                 return -ENOMEM;
3213
3214         cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3215         cmd->mcast_all_enable = mc_all_on;
3216
3217         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
3218                                   NO_SYNC_WMIFLAG);
3219         return ret;
3220 }
3221
3222 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3223                                         u8 *filter, bool add_filter)
3224 {
3225         struct sk_buff *skb;
3226         struct wmi_mcast_filter_add_del_cmd *cmd;
3227         int ret;
3228
3229         if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3230             (filter[0] != 0x01 || filter[1] != 0x00 ||
3231             filter[2] != 0x5e || filter[3] > 0x7f)) {
3232                 ath6kl_warn("invalid multicast filter address\n");
3233                 return -EINVAL;
3234         }
3235
3236         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3237         if (!skb)
3238                 return -ENOMEM;
3239
3240         cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3241         memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3242         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3243                                   add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3244                                   WMI_DEL_MCAST_FILTER_CMDID,
3245                                   NO_SYNC_WMIFLAG);
3246
3247         return ret;
3248 }
3249
3250 int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3251 {
3252         struct sk_buff *skb;
3253         struct wmi_sta_bmiss_enhance_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_sta_bmiss_enhance_cmd *) skb->data;
3261         cmd->enable = enhance ? 1 : 0;
3262
3263         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3264                                   WMI_STA_BMISS_ENHANCE_CMDID,
3265                                   NO_SYNC_WMIFLAG);
3266         return ret;
3267 }
3268
3269 int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
3270 {
3271         struct sk_buff *skb;
3272         struct wmi_set_regdomain_cmd *cmd;
3273
3274         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3275         if (!skb)
3276                 return -ENOMEM;
3277
3278         cmd = (struct wmi_set_regdomain_cmd *) skb->data;
3279         memcpy(cmd->iso_name, alpha2, 2);
3280
3281         return ath6kl_wmi_cmd_send(wmi, 0, skb,
3282                                    WMI_SET_REGDOMAIN_CMDID,
3283                                    NO_SYNC_WMIFLAG);
3284 }
3285
3286 s32 ath6kl_wmi_get_rate(s8 rate_index)
3287 {
3288         u8 sgi = 0;
3289
3290         if (rate_index == RATE_AUTO)
3291                 return 0;
3292
3293         /* SGI is stored as the MSB of the rate_index */
3294         if (rate_index & RATE_INDEX_MSB) {
3295                 rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;
3296                 sgi = 1;
3297         }
3298
3299         if (WARN_ON(rate_index > RATE_MCS_7_40))
3300                 rate_index = RATE_MCS_7_40;
3301
3302         return wmi_rate_tbl[(u32) rate_index][sgi];
3303 }
3304
3305 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3306                                               u32 len)
3307 {
3308         struct wmi_pmkid_list_reply *reply;
3309         u32 expected_len;
3310
3311         if (len < sizeof(struct wmi_pmkid_list_reply))
3312                 return -EINVAL;
3313
3314         reply = (struct wmi_pmkid_list_reply *)datap;
3315         expected_len = sizeof(reply->num_pmkid) +
3316                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3317
3318         if (len < expected_len)
3319                 return -EINVAL;
3320
3321         return 0;
3322 }
3323
3324 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3325                                          struct ath6kl_vif *vif)
3326 {
3327         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3328
3329         aggr_recv_addba_req_evt(vif, cmd->tid,
3330                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
3331
3332         return 0;
3333 }
3334
3335 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3336                                          struct ath6kl_vif *vif)
3337 {
3338         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3339
3340         aggr_recv_delba_req_evt(vif, cmd->tid);
3341
3342         return 0;
3343 }
3344
3345 /*  AP mode functions */
3346
3347 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3348                                  struct wmi_connect_cmd *p)
3349 {
3350         struct sk_buff *skb;
3351         struct wmi_connect_cmd *cm;
3352         int res;
3353
3354         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3355         if (!skb)
3356                 return -ENOMEM;
3357
3358         cm = (struct wmi_connect_cmd *) skb->data;
3359         memcpy(cm, p, sizeof(*cm));
3360
3361         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3362                                   NO_SYNC_WMIFLAG);
3363         ath6kl_dbg(ATH6KL_DBG_WMI,
3364                    "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3365                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3366                    le32_to_cpu(p->ctrl_flags), res);
3367         return res;
3368 }
3369
3370 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3371                            u16 reason)
3372 {
3373         struct sk_buff *skb;
3374         struct wmi_ap_set_mlme_cmd *cm;
3375
3376         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3377         if (!skb)
3378                 return -ENOMEM;
3379
3380         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3381         memcpy(cm->mac, mac, ETH_ALEN);
3382         cm->reason = cpu_to_le16(reason);
3383         cm->cmd = cmd;
3384
3385         ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3386                    cm->reason);
3387
3388         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3389                                    NO_SYNC_WMIFLAG);
3390 }
3391
3392 int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3393 {
3394         struct sk_buff *skb;
3395         struct wmi_ap_hidden_ssid_cmd *cmd;
3396
3397         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3398         if (!skb)
3399                 return -ENOMEM;
3400
3401         cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3402         cmd->hidden_ssid = enable ? 1 : 0;
3403
3404         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3405                                    NO_SYNC_WMIFLAG);
3406 }
3407
3408 /* This command will be used to enable/disable AP uAPSD feature */
3409 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3410 {
3411         struct wmi_ap_set_apsd_cmd *cmd;
3412         struct sk_buff *skb;
3413
3414         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3415         if (!skb)
3416                 return -ENOMEM;
3417
3418         cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3419         cmd->enable = enable;
3420
3421         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3422                                    NO_SYNC_WMIFLAG);
3423 }
3424
3425 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3426                                              u16 aid, u16 bitmap, u32 flags)
3427 {
3428         struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3429         struct sk_buff *skb;
3430
3431         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3432         if (!skb)
3433                 return -ENOMEM;
3434
3435         cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3436         cmd->aid = cpu_to_le16(aid);
3437         cmd->bitmap = cpu_to_le16(bitmap);
3438         cmd->flags = cpu_to_le32(flags);
3439
3440         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3441                                    WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3442                                    NO_SYNC_WMIFLAG);
3443 }
3444
3445 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3446                                       struct ath6kl_vif *vif)
3447 {
3448         struct wmi_pspoll_event *ev;
3449
3450         if (len < sizeof(struct wmi_pspoll_event))
3451                 return -EINVAL;
3452
3453         ev = (struct wmi_pspoll_event *) datap;
3454
3455         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3456
3457         return 0;
3458 }
3459
3460 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3461                                           struct ath6kl_vif *vif)
3462 {
3463         ath6kl_dtimexpiry_event(vif);
3464
3465         return 0;
3466 }
3467
3468 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3469                            bool flag)
3470 {
3471         struct sk_buff *skb;
3472         struct wmi_ap_set_pvb_cmd *cmd;
3473         int ret;
3474
3475         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3476         if (!skb)
3477                 return -ENOMEM;
3478
3479         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3480         cmd->aid = cpu_to_le16(aid);
3481         cmd->rsvd = cpu_to_le16(0);
3482         cmd->flag = cpu_to_le32(flag);
3483
3484         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3485                                   NO_SYNC_WMIFLAG);
3486
3487         return 0;
3488 }
3489
3490 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3491                                        u8 rx_meta_ver,
3492                                        bool rx_dot11_hdr, bool defrag_on_host)
3493 {
3494         struct sk_buff *skb;
3495         struct wmi_rx_frame_format_cmd *cmd;
3496         int ret;
3497
3498         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3499         if (!skb)
3500                 return -ENOMEM;
3501
3502         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3503         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3504         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3505         cmd->meta_ver = rx_meta_ver;
3506
3507         /* Delete the local aggr state, on host */
3508         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3509                                   NO_SYNC_WMIFLAG);
3510
3511         return ret;
3512 }
3513
3514 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3515                              const u8 *ie, u8 ie_len)
3516 {
3517         struct sk_buff *skb;
3518         struct wmi_set_appie_cmd *p;
3519
3520         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3521         if (!skb)
3522                 return -ENOMEM;
3523
3524         ath6kl_dbg(ATH6KL_DBG_WMI,
3525                    "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3526                    mgmt_frm_type, ie_len);
3527         p = (struct wmi_set_appie_cmd *) skb->data;
3528         p->mgmt_frm_type = mgmt_frm_type;
3529         p->ie_len = ie_len;
3530
3531         if (ie != NULL && ie_len > 0)
3532                 memcpy(p->ie_info, ie, ie_len);
3533
3534         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3535                                    NO_SYNC_WMIFLAG);
3536 }
3537
3538 int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3539                           const u8 *ie_info, u8 ie_len)
3540 {
3541         struct sk_buff *skb;
3542         struct wmi_set_ie_cmd *p;
3543
3544         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3545         if (!skb)
3546                 return -ENOMEM;
3547
3548         ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3549                    ie_id, ie_field, ie_len);
3550         p = (struct wmi_set_ie_cmd *) skb->data;
3551         p->ie_id = ie_id;
3552         p->ie_field = ie_field;
3553         p->ie_len = ie_len;
3554         if (ie_info && ie_len > 0)
3555                 memcpy(p->ie_info, ie_info, ie_len);
3556
3557         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,
3558                                    NO_SYNC_WMIFLAG);
3559 }
3560
3561 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3562 {
3563         struct sk_buff *skb;
3564         struct wmi_disable_11b_rates_cmd *cmd;
3565
3566         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3567         if (!skb)
3568                 return -ENOMEM;
3569
3570         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3571                    disable);
3572         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3573         cmd->disable = disable ? 1 : 0;
3574
3575         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3576                                    NO_SYNC_WMIFLAG);
3577 }
3578
3579 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3580 {
3581         struct sk_buff *skb;
3582         struct wmi_remain_on_chnl_cmd *p;
3583
3584         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3585         if (!skb)
3586                 return -ENOMEM;
3587
3588         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3589                    freq, dur);
3590         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3591         p->freq = cpu_to_le32(freq);
3592         p->duration = cpu_to_le32(dur);
3593         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3594                                    NO_SYNC_WMIFLAG);
3595 }
3596
3597 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3598  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3599  * mgmt operations using station interface.
3600  */
3601 static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3602                                       u32 freq, u32 wait, const u8 *data,
3603                                       u16 data_len)
3604 {
3605         struct sk_buff *skb;
3606         struct wmi_send_action_cmd *p;
3607         u8 *buf;
3608
3609         if (wait)
3610                 return -EINVAL; /* Offload for wait not supported */
3611
3612         buf = kmalloc(data_len, GFP_KERNEL);
3613         if (!buf)
3614                 return -ENOMEM;
3615
3616         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3617         if (!skb) {
3618                 kfree(buf);
3619                 return -ENOMEM;
3620         }
3621
3622         kfree(wmi->last_mgmt_tx_frame);
3623         memcpy(buf, data, data_len);
3624         wmi->last_mgmt_tx_frame = buf;
3625         wmi->last_mgmt_tx_frame_len = data_len;
3626
3627         ath6kl_dbg(ATH6KL_DBG_WMI,
3628                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3629                    id, freq, wait, data_len);
3630         p = (struct wmi_send_action_cmd *) skb->data;
3631         p->id = cpu_to_le32(id);
3632         p->freq = cpu_to_le32(freq);
3633         p->wait = cpu_to_le32(wait);
3634         p->len = cpu_to_le16(data_len);
3635         memcpy(p->data, data, data_len);
3636         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3637                                    NO_SYNC_WMIFLAG);
3638 }
3639
3640 static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3641                                       u32 freq, u32 wait, const u8 *data,
3642                                       u16 data_len, u32 no_cck)
3643 {
3644         struct sk_buff *skb;
3645         struct wmi_send_mgmt_cmd *p;
3646         u8 *buf;
3647
3648         if (wait)
3649                 return -EINVAL; /* Offload for wait not supported */
3650
3651         buf = kmalloc(data_len, GFP_KERNEL);
3652         if (!buf)
3653                 return -ENOMEM;
3654
3655         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3656         if (!skb) {
3657                 kfree(buf);
3658                 return -ENOMEM;
3659         }
3660
3661         kfree(wmi->last_mgmt_tx_frame);
3662         memcpy(buf, data, data_len);
3663         wmi->last_mgmt_tx_frame = buf;
3664         wmi->last_mgmt_tx_frame_len = data_len;
3665
3666         ath6kl_dbg(ATH6KL_DBG_WMI,
3667                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3668                    id, freq, wait, data_len);
3669         p = (struct wmi_send_mgmt_cmd *) skb->data;
3670         p->id = cpu_to_le32(id);
3671         p->freq = cpu_to_le32(freq);
3672         p->wait = cpu_to_le32(wait);
3673         p->no_cck = cpu_to_le32(no_cck);
3674         p->len = cpu_to_le16(data_len);
3675         memcpy(p->data, data, data_len);
3676         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3677                                    NO_SYNC_WMIFLAG);
3678 }
3679
3680 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3681                                 u32 wait, const u8 *data, u16 data_len,
3682                                 u32 no_cck)
3683 {
3684         int status;
3685         struct ath6kl *ar = wmi->parent_dev;
3686
3687         if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3688                      ar->fw_capabilities)) {
3689                 /*
3690                  * If capable of doing P2P mgmt operations using
3691                  * station interface, send additional information like
3692                  * supported rates to advertise and xmit rates for
3693                  * probe requests
3694                  */
3695                 status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3696                                                     wait, data, data_len,
3697                                                     no_cck);
3698         } else {
3699                 status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3700                                                     wait, data, data_len);
3701         }
3702
3703         return status;
3704 }
3705
3706 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3707                                        const u8 *dst, const u8 *data,
3708                                        u16 data_len)
3709 {
3710         struct sk_buff *skb;
3711         struct wmi_p2p_probe_response_cmd *p;
3712         size_t cmd_len = sizeof(*p) + data_len;
3713
3714         if (data_len == 0)
3715                 cmd_len++; /* work around target minimum length requirement */
3716
3717         skb = ath6kl_wmi_get_new_buf(cmd_len);
3718         if (!skb)
3719                 return -ENOMEM;
3720
3721         ath6kl_dbg(ATH6KL_DBG_WMI,
3722                    "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3723                    freq, dst, data_len);
3724         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3725         p->freq = cpu_to_le32(freq);
3726         memcpy(p->destination_addr, dst, ETH_ALEN);
3727         p->len = cpu_to_le16(data_len);
3728         memcpy(p->data, data, data_len);
3729         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3730                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3731                                    NO_SYNC_WMIFLAG);
3732 }
3733
3734 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3735 {
3736         struct sk_buff *skb;
3737         struct wmi_probe_req_report_cmd *p;
3738
3739         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3740         if (!skb)
3741                 return -ENOMEM;
3742
3743         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3744                    enable);
3745         p = (struct wmi_probe_req_report_cmd *) skb->data;
3746         p->enable = enable ? 1 : 0;
3747         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3748                                    NO_SYNC_WMIFLAG);
3749 }
3750
3751 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3752 {
3753         struct sk_buff *skb;
3754         struct wmi_get_p2p_info *p;
3755
3756         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3757         if (!skb)
3758                 return -ENOMEM;
3759
3760         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3761                    info_req_flags);
3762         p = (struct wmi_get_p2p_info *) skb->data;
3763         p->info_req_flags = cpu_to_le32(info_req_flags);
3764         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3765                                    NO_SYNC_WMIFLAG);
3766 }
3767
3768 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3769 {
3770         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3771         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3772                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3773 }
3774
3775 int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3776 {
3777         struct sk_buff *skb;
3778         struct wmi_set_inact_period_cmd *cmd;
3779
3780         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3781         if (!skb)
3782                 return -ENOMEM;
3783
3784         cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3785         cmd->inact_period = cpu_to_le32(inact_timeout);
3786         cmd->num_null_func = 0;
3787
3788         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,
3789                                    NO_SYNC_WMIFLAG);
3790 }
3791
3792 static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,
3793                                                int len)
3794 {
3795         struct wmix_hb_challenge_resp_cmd *cmd;
3796
3797         if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
3798                 return;
3799
3800         cmd = (struct wmix_hb_challenge_resp_cmd *) datap;
3801         ath6kl_recovery_hb_event(wmi->parent_dev,
3802                                  le32_to_cpu(cmd->cookie));
3803 }
3804
3805 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3806 {
3807         struct wmix_cmd_hdr *cmd;
3808         u32 len;
3809         u16 id;
3810         u8 *datap;
3811         int ret = 0;
3812
3813         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3814                 ath6kl_err("bad packet 1\n");
3815                 return -EINVAL;
3816         }
3817
3818         cmd = (struct wmix_cmd_hdr *) skb->data;
3819         id = le32_to_cpu(cmd->cmd_id);
3820
3821         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3822
3823         datap = skb->data;
3824         len = skb->len;
3825
3826         switch (id) {
3827         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3828                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3829                 ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);
3830                 break;
3831         case WMIX_DBGLOG_EVENTID:
3832                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3833                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3834                 break;
3835         default:
3836                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3837                 ret = -EINVAL;
3838                 break;
3839         }
3840
3841         return ret;
3842 }
3843
3844 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3845 {
3846         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3847 }
3848
3849 /* Process interface specific wmi events, caller would free the datap */
3850 static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3851                                         u8 *datap, u32 len)
3852 {
3853         struct ath6kl_vif *vif;
3854
3855         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3856         if (!vif) {
3857                 ath6kl_dbg(ATH6KL_DBG_WMI,
3858                            "Wmi event for unavailable vif, vif_index:%d\n",
3859                             if_idx);
3860                 return -EINVAL;
3861         }
3862
3863         switch (cmd_id) {
3864         case WMI_CONNECT_EVENTID:
3865                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3866                 return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3867         case WMI_DISCONNECT_EVENTID:
3868                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3869                 return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3870         case WMI_TKIP_MICERR_EVENTID:
3871                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3872                 return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3873         case WMI_BSSINFO_EVENTID:
3874                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3875                 return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3876         case WMI_NEIGHBOR_REPORT_EVENTID:
3877                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3878                 return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3879                                                            vif);
3880         case WMI_SCAN_COMPLETE_EVENTID:
3881                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3882                 return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3883         case WMI_REPORT_STATISTICS_EVENTID:
3884                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3885                 return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3886         case WMI_CAC_EVENTID:
3887                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3888                 return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3889         case WMI_PSPOLL_EVENTID:
3890                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3891                 return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3892         case WMI_DTIMEXPIRY_EVENTID:
3893                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3894                 return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3895         case WMI_ADDBA_REQ_EVENTID:
3896                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3897                 return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3898         case WMI_DELBA_REQ_EVENTID:
3899                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3900                 return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3901         case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3902                 ath6kl_dbg(ATH6KL_DBG_WMI,
3903                            "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3904                 return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3905         case WMI_REMAIN_ON_CHNL_EVENTID:
3906                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3907                 return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3908         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3909                 ath6kl_dbg(ATH6KL_DBG_WMI,
3910                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3911                 return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3912                                                                  len, vif);
3913         case WMI_TX_STATUS_EVENTID:
3914                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3915                 return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3916         case WMI_RX_PROBE_REQ_EVENTID:
3917                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3918                 return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3919         case WMI_RX_ACTION_EVENTID:
3920                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3921                 return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3922         case WMI_TXE_NOTIFY_EVENTID:
3923                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");
3924                 return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
3925         default:
3926                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3927                 return -EINVAL;
3928         }
3929
3930         return 0;
3931 }
3932
3933 static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3934 {
3935         struct wmi_cmd_hdr *cmd;
3936         int ret = 0;
3937         u32 len;
3938         u16 id;
3939         u8 if_idx;
3940         u8 *datap;
3941
3942         cmd = (struct wmi_cmd_hdr *) skb->data;
3943         id = le16_to_cpu(cmd->cmd_id);
3944         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3945
3946         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3947         datap = skb->data;
3948         len = skb->len;
3949
3950         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3951         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3952                         datap, len);
3953
3954         switch (id) {
3955         case WMI_GET_BITRATE_CMDID:
3956                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3957                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3958                 break;
3959         case WMI_GET_CHANNEL_LIST_CMDID:
3960                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3961                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3962                 break;
3963         case WMI_GET_TX_PWR_CMDID:
3964                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3965                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3966                 break;
3967         case WMI_READY_EVENTID:
3968                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3969                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3970                 break;
3971         case WMI_PEER_NODE_EVENTID:
3972                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3973                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
3974                 break;
3975         case WMI_REGDOMAIN_EVENTID:
3976                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
3977                 ath6kl_wmi_regdomain_event(wmi, datap, len);
3978                 break;
3979         case WMI_PSTREAM_TIMEOUT_EVENTID:
3980                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
3981                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
3982                 break;
3983         case WMI_CMDERROR_EVENTID:
3984                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
3985                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
3986                 break;
3987         case WMI_RSSI_THRESHOLD_EVENTID:
3988                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
3989                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
3990                 break;
3991         case WMI_ERROR_REPORT_EVENTID:
3992                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
3993                 break;
3994         case WMI_OPT_RX_FRAME_EVENTID:
3995                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
3996                 /* this event has been deprecated */
3997                 break;
3998         case WMI_REPORT_ROAM_TBL_EVENTID:
3999                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
4000                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
4001                 break;
4002         case WMI_EXTENSION_EVENTID:
4003                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
4004                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
4005                 break;
4006         case WMI_CHANNEL_CHANGE_EVENTID:
4007                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
4008                 break;
4009         case WMI_REPORT_ROAM_DATA_EVENTID:
4010                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
4011                 break;
4012         case WMI_TEST_EVENTID:
4013                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
4014                 ret = ath6kl_wmi_test_rx(wmi, datap, len);
4015                 break;
4016         case WMI_GET_FIXRATES_CMDID:
4017                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
4018                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
4019                 break;
4020         case WMI_TX_RETRY_ERR_EVENTID:
4021                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
4022                 break;
4023         case WMI_SNR_THRESHOLD_EVENTID:
4024                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
4025                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
4026                 break;
4027         case WMI_LQ_THRESHOLD_EVENTID:
4028                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
4029                 break;
4030         case WMI_APLIST_EVENTID:
4031                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
4032                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
4033                 break;
4034         case WMI_GET_KEEPALIVE_CMDID:
4035                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
4036                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
4037                 break;
4038         case WMI_GET_WOW_LIST_EVENTID:
4039                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
4040                 break;
4041         case WMI_GET_PMKID_LIST_EVENTID:
4042                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
4043                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
4044                 break;
4045         case WMI_SET_PARAMS_REPLY_EVENTID:
4046                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
4047                 break;
4048         case WMI_ADDBA_RESP_EVENTID:
4049                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
4050                 break;
4051         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
4052                 ath6kl_dbg(ATH6KL_DBG_WMI,
4053                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
4054                 break;
4055         case WMI_REPORT_BTCOEX_STATS_EVENTID:
4056                 ath6kl_dbg(ATH6KL_DBG_WMI,
4057                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
4058                 break;
4059         case WMI_TX_COMPLETE_EVENTID:
4060                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
4061                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
4062                 break;
4063         case WMI_P2P_CAPABILITIES_EVENTID:
4064                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
4065                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
4066                 break;
4067         case WMI_P2P_INFO_EVENTID:
4068                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
4069                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
4070                 break;
4071         default:
4072                 /* may be the event is interface specific */
4073                 ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
4074                 break;
4075         }
4076
4077         dev_kfree_skb(skb);
4078         return ret;
4079 }
4080
4081 /* Control Path */
4082 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
4083 {
4084         if (WARN_ON(skb == NULL))
4085                 return -EINVAL;
4086
4087         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
4088                 ath6kl_err("bad packet 1\n");
4089                 dev_kfree_skb(skb);
4090                 return -EINVAL;
4091         }
4092
4093         trace_ath6kl_wmi_event(skb->data, skb->len);
4094
4095         return ath6kl_wmi_proc_events(wmi, skb);
4096 }
4097
4098 void ath6kl_wmi_reset(struct wmi *wmi)
4099 {
4100         spin_lock_bh(&wmi->lock);
4101
4102         wmi->fat_pipe_exist = 0;
4103         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
4104
4105         spin_unlock_bh(&wmi->lock);
4106 }
4107
4108 void *ath6kl_wmi_init(struct ath6kl *dev)
4109 {
4110         struct wmi *wmi;
4111
4112         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
4113         if (!wmi)
4114                 return NULL;
4115
4116         spin_lock_init(&wmi->lock);
4117
4118         wmi->parent_dev = dev;
4119
4120         wmi->pwr_mode = REC_POWER;
4121
4122         ath6kl_wmi_reset(wmi);
4123
4124         return wmi;
4125 }
4126
4127 void ath6kl_wmi_shutdown(struct wmi *wmi)
4128 {
4129         if (!wmi)
4130                 return;
4131
4132         kfree(wmi->last_mgmt_tx_frame);
4133         kfree(wmi);
4134 }