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 "../regd.h"
  24 #include "../regd_common.h"
  25
  26 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
  27
  28 static const s32 wmi_rate_tbl[][2] = {
  29         /* {W/O SGI, with SGI} */
  30         {1000, 1000},
  31         {2000, 2000},
  32         {5500, 5500},
  33         {11000, 11000},
  34         {6000, 6000},
  35         {9000, 9000},
  36         {12000, 12000},
  37         {18000, 18000},
  38         {24000, 24000},
  39         {36000, 36000},
  40         {48000, 48000},
  41         {54000, 54000},
  42         {6500, 7200},
  43         {13000, 14400},
  44         {19500, 21700},
  45         {26000, 28900},
  46         {39000, 43300},
  47         {52000, 57800},
  48         {58500, 65000},
  49         {65000, 72200},
  50         {13500, 15000},
  51         {27000, 30000},
  52         {40500, 45000},
  53         {54000, 60000},
  54         {81000, 90000},
  55         {108000, 120000},
  56         {121500, 135000},
  57         {135000, 150000},
  58         {0, 0}
  59 };
  60
  61 /* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
  62 static const u8 up_to_ac[] = {
  63         WMM_AC_BE,
  64         WMM_AC_BK,
  65         WMM_AC_BK,
  66         WMM_AC_BE,
  67         WMM_AC_VI,
  68         WMM_AC_VI,
  69         WMM_AC_VO,
  70         WMM_AC_VO,
  71 };
  72
  73 void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
  74 {
  75         if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
  76                 return;
  77
  78         wmi->ep_id = ep_id;
  79 }
  80
  81 enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
  82 {
  83         return wmi->ep_id;
  84 }
  85
  86 struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
  87 {
  88         struct ath6kl_vif *vif, *found = NULL;
  89
  90         if (WARN_ON(if_idx > (ar->vif_max - 1)))
  91                 return NULL;
  92
  93         /* FIXME: Locking */
  94         spin_lock_bh(&ar->list_lock);
  95         list_for_each_entry(vif, &ar->vif_list, list) {
  96                 if (vif->fw_vif_idx == if_idx) {
  97                         found = vif;
  98                         break;
  99                 }
 100         }
 101         spin_unlock_bh(&ar->list_lock);
 102
 103         return found;
 104 }
 105
 106 /*  Performs DIX to 802.3 encapsulation for transmit packets.
 107  *  Assumes the entire DIX header is contigous and that there is
 108  *  enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
 109  */
 110 int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
 111 {
 112         struct ath6kl_llc_snap_hdr *llc_hdr;
 113         struct ethhdr *eth_hdr;
 114         size_t new_len;
 115         __be16 type;
 116         u8 *datap;
 117         u16 size;
 118
 119         if (WARN_ON(skb == NULL))
 120                 return -EINVAL;
 121
 122         size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
 123         if (skb_headroom(skb) < size)
 124                 return -ENOMEM;
 125
 126         eth_hdr = (struct ethhdr *) skb->data;
 127         type = eth_hdr->h_proto;
 128
 129         if (!is_ethertype(be16_to_cpu(type))) {
 130                 ath6kl_dbg(ATH6KL_DBG_WMI,
 131                            "%s: pkt is already in 802.3 format\n", __func__);
 132                 return 0;
 133         }
 134
 135         new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
 136
 137         skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
 138         datap = skb->data;
 139
 140         eth_hdr->h_proto = cpu_to_be16(new_len);
 141
 142         memcpy(datap, eth_hdr, sizeof(*eth_hdr));
 143
 144         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
 145         llc_hdr->dsap = 0xAA;
 146         llc_hdr->ssap = 0xAA;
 147         llc_hdr->cntl = 0x03;
 148         llc_hdr->org_code[0] = 0x0;
 149         llc_hdr->org_code[1] = 0x0;
 150         llc_hdr->org_code[2] = 0x0;
 151         llc_hdr->eth_type = type;
 152
 153         return 0;
 154 }
 155
 156 static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
 157                                u8 *version, void *tx_meta_info)
 158 {
 159         struct wmi_tx_meta_v1 *v1;
 160         struct wmi_tx_meta_v2 *v2;
 161
 162         if (WARN_ON(skb == NULL || version == NULL))
 163                 return -EINVAL;
 164
 165         switch (*version) {
 166         case WMI_META_VERSION_1:
 167                 skb_push(skb, WMI_MAX_TX_META_SZ);
 168                 v1 = (struct wmi_tx_meta_v1 *) skb->data;
 169                 v1->pkt_id = 0;
 170                 v1->rate_plcy_id = 0;
 171                 *version = WMI_META_VERSION_1;
 172                 break;
 173         case WMI_META_VERSION_2:
 174                 skb_push(skb, WMI_MAX_TX_META_SZ);
 175                 v2 = (struct wmi_tx_meta_v2 *) skb->data;
 176                 memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
 177                        sizeof(struct wmi_tx_meta_v2));
 178                 break;
 179         }
 180
 181         return 0;
 182 }
 183
 184 int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
 185                             u8 msg_type, u32 flags,
 186                             enum wmi_data_hdr_data_type data_type,
 187                             u8 meta_ver, void *tx_meta_info, u8 if_idx)
 188 {
 189         struct wmi_data_hdr *data_hdr;
 190         int ret;
 191
 192         if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))
 193                 return -EINVAL;
 194
 195         if (tx_meta_info) {
 196                 ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
 197                 if (ret)
 198                         return ret;
 199         }
 200
 201         skb_push(skb, sizeof(struct wmi_data_hdr));
 202
 203         data_hdr = (struct wmi_data_hdr *)skb->data;
 204         memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
 205
 206         data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
 207         data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
 208
 209         if (flags & WMI_DATA_HDR_FLAGS_MORE)
 210                 data_hdr->info |= WMI_DATA_HDR_MORE;
 211
 212         if (flags & WMI_DATA_HDR_FLAGS_EOSP)
 213                 data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);
 214
 215         data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
 216         data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
 217
 218         return 0;
 219 }
 220
 221 u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
 222 {
 223         struct iphdr *ip_hdr = (struct iphdr *) pkt;
 224         u8 ip_pri;
 225
 226         /*
 227          * Determine IPTOS priority
 228          *
 229          * IP-TOS - 8bits
 230          *          : DSCP(6-bits) ECN(2-bits)
 231          *          : DSCP - P2 P1 P0 X X X
 232          * where (P2 P1 P0) form 802.1D
 233          */
 234         ip_pri = ip_hdr->tos >> 5;
 235         ip_pri &= 0x7;
 236
 237         if ((layer2_pri & 0x7) > ip_pri)
 238                 return (u8) layer2_pri & 0x7;
 239         else
 240                 return ip_pri;
 241 }
 242
 243 u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
 244 {
 245         return  up_to_ac[user_priority & 0x7];
 246 }
 247
 248 int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
 249                                        struct sk_buff *skb,
 250                                        u32 layer2_priority, bool wmm_enabled,
 251                                        u8 *ac)
 252 {
 253         struct wmi_data_hdr *data_hdr;
 254         struct ath6kl_llc_snap_hdr *llc_hdr;
 255         struct wmi_create_pstream_cmd cmd;
 256         u32 meta_size, hdr_size;
 257         u16 ip_type = IP_ETHERTYPE;
 258         u8 stream_exist, usr_pri;
 259         u8 traffic_class = WMM_AC_BE;
 260         u8 *datap;
 261
 262         if (WARN_ON(skb == NULL))
 263                 return -EINVAL;
 264
 265         datap = skb->data;
 266         data_hdr = (struct wmi_data_hdr *) datap;
 267
 268         meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
 269                      WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
 270
 271         if (!wmm_enabled) {
 272                 /* If WMM is disabled all traffic goes as BE traffic */
 273                 usr_pri = 0;
 274         } else {
 275                 hdr_size = sizeof(struct ethhdr);
 276
 277                 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
 278                                                          sizeof(struct
 279                                                                 wmi_data_hdr) +
 280                                                          meta_size + hdr_size);
 281
 282                 if (llc_hdr->eth_type == htons(ip_type)) {
 283                         /*
 284                          * Extract the endpoint info from the TOS field
 285                          * in the IP header.
 286                          */
 287                         usr_pri =
 288                            ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
 289                                         sizeof(struct ath6kl_llc_snap_hdr),
 290                                         layer2_priority);
 291                 } else
 292                         usr_pri = layer2_priority & 0x7;
 293
 294                 /*
 295                  * Queue the EAPOL frames in the same WMM_AC_VO queue
 296                  * as that of management frames.
 297                  */
 298                 if (skb->protocol == cpu_to_be16(ETH_P_PAE))
 299                         usr_pri = WMI_VOICE_USER_PRIORITY;
 300         }
 301
 302         /*
 303          * workaround for WMM S5
 304          *
 305          * FIXME: wmi->traffic_class is always 100 so this test doesn't
 306          * make sense
 307          */
 308         if ((wmi->traffic_class == WMM_AC_VI) &&
 309             ((usr_pri == 5) || (usr_pri == 4)))
 310                 usr_pri = 1;
 311
 312         /* Convert user priority to traffic class */
 313         traffic_class = up_to_ac[usr_pri & 0x7];
 314
 315         wmi_data_hdr_set_up(data_hdr, usr_pri);
 316
 317         spin_lock_bh(&wmi->lock);
 318         stream_exist = wmi->fat_pipe_exist;
 319         spin_unlock_bh(&wmi->lock);
 320
 321         if (!(stream_exist & (1 << traffic_class))) {
 322                 memset(&cmd, 0, sizeof(cmd));
 323                 cmd.traffic_class = traffic_class;
 324                 cmd.user_pri = usr_pri;
 325                 cmd.inactivity_int =
 326                         cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
 327                 /* Implicit streams are created with TSID 0xFF */
 328                 cmd.tsid = WMI_IMPLICIT_PSTREAM;
 329                 ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
 330         }
 331
 332         *ac = traffic_class;
 333
 334         return 0;
 335 }
 336
 337 int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
 338 {
 339         struct ieee80211_hdr_3addr *pwh, wh;
 340         struct ath6kl_llc_snap_hdr *llc_hdr;
 341         struct ethhdr eth_hdr;
 342         u32 hdr_size;
 343         u8 *datap;
 344         __le16 sub_type;
 345
 346         if (WARN_ON(skb == NULL))
 347                 return -EINVAL;
 348
 349         datap = skb->data;
 350         pwh = (struct ieee80211_hdr_3addr *) datap;
 351
 352         sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
 353
 354         memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
 355
 356         /* Strip off the 802.11 header */
 357         if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
 358                 hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
 359                                    sizeof(u32));
 360                 skb_pull(skb, hdr_size);
 361         } else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA))
 362                 skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
 363
 364         datap = skb->data;
 365         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
 366
 367         memset(&eth_hdr, 0, sizeof(eth_hdr));
 368         eth_hdr.h_proto = llc_hdr->eth_type;
 369
 370         switch ((le16_to_cpu(wh.frame_control)) &
 371                 (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
 372         case 0:
 373                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 374                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 375                 break;
 376         case IEEE80211_FCTL_TODS:
 377                 memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
 378                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 379                 break;
 380         case IEEE80211_FCTL_FROMDS:
 381                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 382                 memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
 383                 break;
 384         case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
 385                 break;
 386         }
 387
 388         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 389         skb_push(skb, sizeof(eth_hdr));
 390
 391         datap = skb->data;
 392
 393         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 394
 395         return 0;
 396 }
 397
 398 /*
 399  * Performs 802.3 to DIX encapsulation for received packets.
 400  * Assumes the entire 802.3 header is contigous.
 401  */
 402 int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
 403 {
 404         struct ath6kl_llc_snap_hdr *llc_hdr;
 405         struct ethhdr eth_hdr;
 406         u8 *datap;
 407
 408         if (WARN_ON(skb == NULL))
 409                 return -EINVAL;
 410
 411         datap = skb->data;
 412
 413         memcpy(&eth_hdr, datap, sizeof(eth_hdr));
 414
 415         llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
 416         eth_hdr.h_proto = llc_hdr->eth_type;
 417
 418         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 419         datap = skb->data;
 420
 421         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 422
 423         return 0;
 424 }
 425
 426 static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
 427 {
 428         struct tx_complete_msg_v1 *msg_v1;
 429         struct wmi_tx_complete_event *evt;
 430         int index;
 431         u16 size;
 432
 433         evt = (struct wmi_tx_complete_event *) datap;
 434
 435         ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
 436                    evt->num_msg, evt->msg_len, evt->msg_type);
 437
 438         for (index = 0; index < evt->num_msg; index++) {
 439                 size = sizeof(struct wmi_tx_complete_event) +
 440                     (index * sizeof(struct tx_complete_msg_v1));
 441                 msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
 442
 443                 ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
 444                            msg_v1->status, msg_v1->pkt_id,
 445                            msg_v1->rate_idx, msg_v1->ack_failures);
 446         }
 447
 448         return 0;
 449 }
 450
 451 static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
 452                                               int len, struct ath6kl_vif *vif)
 453 {
 454         struct wmi_remain_on_chnl_event *ev;
 455         u32 freq;
 456         u32 dur;
 457         struct ieee80211_channel *chan;
 458         struct ath6kl *ar = wmi->parent_dev;
 459         u32 id;
 460
 461         if (len < sizeof(*ev))
 462                 return -EINVAL;
 463
 464         ev = (struct wmi_remain_on_chnl_event *) datap;
 465         freq = le32_to_cpu(ev->freq);
 466         dur = le32_to_cpu(ev->duration);
 467         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
 468                    freq, dur);
 469         chan = ieee80211_get_channel(ar->wiphy, freq);
 470         if (!chan) {
 471                 ath6kl_dbg(ATH6KL_DBG_WMI,
 472                            "remain_on_chnl: Unknown channel (freq=%u)\n",
 473                            freq);
 474                 return -EINVAL;
 475         }
 476         id = vif->last_roc_id;
 477         cfg80211_ready_on_channel(&vif->wdev, id, chan,
 478                                   dur, GFP_ATOMIC);
 479
 480         return 0;
 481 }
 482
 483 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
 484                                                      u8 *datap, int len,
 485                                                      struct ath6kl_vif *vif)
 486 {
 487         struct wmi_cancel_remain_on_chnl_event *ev;
 488         u32 freq;
 489         u32 dur;
 490         struct ieee80211_channel *chan;
 491         struct ath6kl *ar = wmi->parent_dev;
 492         u32 id;
 493
 494         if (len < sizeof(*ev))
 495                 return -EINVAL;
 496
 497         ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
 498         freq = le32_to_cpu(ev->freq);
 499         dur = le32_to_cpu(ev->duration);
 500         ath6kl_dbg(ATH6KL_DBG_WMI,
 501                    "cancel_remain_on_chnl: freq=%u dur=%u status=%u\n",
 502                    freq, dur, ev->status);
 503         chan = ieee80211_get_channel(ar->wiphy, freq);
 504         if (!chan) {
 505                 ath6kl_dbg(ATH6KL_DBG_WMI,
 506                            "cancel_remain_on_chnl: Unknown channel (freq=%u)\n",
 507                            freq);
 508                 return -EINVAL;
 509         }
 510         if (vif->last_cancel_roc_id &&
 511             vif->last_cancel_roc_id + 1 == vif->last_roc_id)
 512                 id = vif->last_cancel_roc_id; /* event for cancel command */
 513         else
 514                 id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
 515         vif->last_cancel_roc_id = 0;
 516         cfg80211_remain_on_channel_expired(&vif->wdev, id, chan, GFP_ATOMIC);
 517
 518         return 0;
 519 }
 520
 521 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
 522                                          struct ath6kl_vif *vif)
 523 {
 524         struct wmi_tx_status_event *ev;
 525         u32 id;
 526
 527         if (len < sizeof(*ev))
 528                 return -EINVAL;
 529
 530         ev = (struct wmi_tx_status_event *) datap;
 531         id = le32_to_cpu(ev->id);
 532         ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
 533                    id, ev->ack_status);
 534         if (wmi->last_mgmt_tx_frame) {
 535                 cfg80211_mgmt_tx_status(&vif->wdev, id,
 536                                         wmi->last_mgmt_tx_frame,
 537                                         wmi->last_mgmt_tx_frame_len,
 538                                         !!ev->ack_status, GFP_ATOMIC);
 539                 kfree(wmi->last_mgmt_tx_frame);
 540                 wmi->last_mgmt_tx_frame = NULL;
 541                 wmi->last_mgmt_tx_frame_len = 0;
 542         }
 543
 544         return 0;
 545 }
 546
 547 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
 548                                             struct ath6kl_vif *vif)
 549 {
 550         struct wmi_p2p_rx_probe_req_event *ev;
 551         u32 freq;
 552         u16 dlen;
 553
 554         if (len < sizeof(*ev))
 555                 return -EINVAL;
 556
 557         ev = (struct wmi_p2p_rx_probe_req_event *) datap;
 558         freq = le32_to_cpu(ev->freq);
 559         dlen = le16_to_cpu(ev->len);
 560         if (datap + len < ev->data + dlen) {
 561                 ath6kl_err("invalid wmi_p2p_rx_probe_req_event: len=%d dlen=%u\n",
 562                            len, dlen);
 563                 return -EINVAL;
 564         }
 565         ath6kl_dbg(ATH6KL_DBG_WMI,
 566                    "rx_probe_req: len=%u freq=%u probe_req_report=%d\n",
 567                    dlen, freq, vif->probe_req_report);
 568
 569         if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
 570                 cfg80211_rx_mgmt(&vif->wdev, freq, 0,
 571                                  ev->data, dlen, GFP_ATOMIC);
 572
 573         return 0;
 574 }
 575
 576 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
 577 {
 578         struct wmi_p2p_capabilities_event *ev;
 579         u16 dlen;
 580
 581         if (len < sizeof(*ev))
 582                 return -EINVAL;
 583
 584         ev = (struct wmi_p2p_capabilities_event *) datap;
 585         dlen = le16_to_cpu(ev->len);
 586         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
 587
 588         return 0;
 589 }
 590
 591 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 592                                          struct ath6kl_vif *vif)
 593 {
 594         struct wmi_rx_action_event *ev;
 595         u32 freq;
 596         u16 dlen;
 597
 598         if (len < sizeof(*ev))
 599                 return -EINVAL;
 600
 601         ev = (struct wmi_rx_action_event *) datap;
 602         freq = le32_to_cpu(ev->freq);
 603         dlen = le16_to_cpu(ev->len);
 604         if (datap + len < ev->data + dlen) {
 605                 ath6kl_err("invalid wmi_rx_action_event: len=%d dlen=%u\n",
 606                            len, dlen);
 607                 return -EINVAL;
 608         }
 609         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
 610         cfg80211_rx_mgmt(&vif->wdev, freq, 0,
 611                          ev->data, dlen, GFP_ATOMIC);
 612
 613         return 0;
 614 }
 615
 616 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
 617 {
 618         struct wmi_p2p_info_event *ev;
 619         u32 flags;
 620         u16 dlen;
 621
 622         if (len < sizeof(*ev))
 623                 return -EINVAL;
 624
 625         ev = (struct wmi_p2p_info_event *) datap;
 626         flags = le32_to_cpu(ev->info_req_flags);
 627         dlen = le16_to_cpu(ev->len);
 628         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
 629
 630         if (flags & P2P_FLAG_CAPABILITIES_REQ) {
 631                 struct wmi_p2p_capabilities *cap;
 632                 if (dlen < sizeof(*cap))
 633                         return -EINVAL;
 634                 cap = (struct wmi_p2p_capabilities *) ev->data;
 635                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
 636                            cap->go_power_save);
 637         }
 638
 639         if (flags & P2P_FLAG_MACADDR_REQ) {
 640                 struct wmi_p2p_macaddr *mac;
 641                 if (dlen < sizeof(*mac))
 642                         return -EINVAL;
 643                 mac = (struct wmi_p2p_macaddr *) ev->data;
 644                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
 645                            mac->mac_addr);
 646         }
 647
 648         if (flags & P2P_FLAG_HMODEL_REQ) {
 649                 struct wmi_p2p_hmodel *mod;
 650                 if (dlen < sizeof(*mod))
 651                         return -EINVAL;
 652                 mod = (struct wmi_p2p_hmodel *) ev->data;
 653                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
 654                            mod->p2p_model,
 655                            mod->p2p_model ? "host" : "firmware");
 656         }
 657         return 0;
 658 }
 659
 660 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
 661 {
 662         struct sk_buff *skb;
 663
 664         skb = ath6kl_buf_alloc(size);
 665         if (!skb)
 666                 return NULL;
 667
 668         skb_put(skb, size);
 669         if (size)
 670                 memset(skb->data, 0, size);
 671
 672         return skb;
 673 }
 674
 675 /* Send a "simple" wmi command -- one with no arguments */
 676 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
 677                                  enum wmi_cmd_id cmd_id)
 678 {
 679         struct sk_buff *skb;
 680         int ret;
 681
 682         skb = ath6kl_wmi_get_new_buf(0);
 683         if (!skb)
 684                 return -ENOMEM;
 685
 686         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
 687
 688         return ret;
 689 }
 690
 691 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
 692 {
 693         struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
 694
 695         if (len < sizeof(struct wmi_ready_event_2))
 696                 return -EINVAL;
 697
 698         ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
 699                            le32_to_cpu(ev->sw_version),
 700                            le32_to_cpu(ev->abi_version), ev->phy_cap);
 701
 702         return 0;
 703 }
 704
 705 /*
 706  * Mechanism to modify the roaming behavior in the firmware. The lower rssi
 707  * at which the station has to roam can be passed with
 708  * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
 709  * in dBm.
 710  */
 711 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
 712 {
 713         struct sk_buff *skb;
 714         struct roam_ctrl_cmd *cmd;
 715
 716         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 717         if (!skb)
 718                 return -ENOMEM;
 719
 720         cmd = (struct roam_ctrl_cmd *) skb->data;
 721
 722         cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
 723         cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
 724                                                        DEF_SCAN_FOR_ROAM_INTVL);
 725         cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
 726         cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
 727         cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
 728
 729         ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 730                             NO_SYNC_WMIFLAG);
 731
 732         return 0;
 733 }
 734
 735 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
 736 {
 737         struct sk_buff *skb;
 738         struct roam_ctrl_cmd *cmd;
 739
 740         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 741         if (!skb)
 742                 return -ENOMEM;
 743
 744         cmd = (struct roam_ctrl_cmd *) skb->data;
 745
 746         memcpy(cmd->info.bssid, bssid, ETH_ALEN);
 747         cmd->roam_ctrl = WMI_FORCE_ROAM;
 748
 749         ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
 750         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 751                                    NO_SYNC_WMIFLAG);
 752 }
 753
 754 int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period)
 755 {
 756         struct sk_buff *skb;
 757         struct set_dtim_cmd *cmd;
 758
 759         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 760         if (!skb)
 761                 return -ENOMEM;
 762
 763         cmd = (struct set_dtim_cmd *) skb->data;
 764
 765         cmd->dtim_period = cpu_to_le32(dtim_period);
 766         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 767                                    WMI_AP_SET_DTIM_CMDID, NO_SYNC_WMIFLAG);
 768 }
 769
 770 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 771 {
 772         struct sk_buff *skb;
 773         struct roam_ctrl_cmd *cmd;
 774
 775         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 776         if (!skb)
 777                 return -ENOMEM;
 778
 779         cmd = (struct roam_ctrl_cmd *) skb->data;
 780
 781         cmd->info.roam_mode = mode;
 782         cmd->roam_ctrl = WMI_SET_ROAM_MODE;
 783
 784         ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
 785         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 786                                    NO_SYNC_WMIFLAG);
 787 }
 788
 789 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
 790                                        struct ath6kl_vif *vif)
 791 {
 792         struct wmi_connect_event *ev;
 793         u8 *pie, *peie;
 794
 795         if (len < sizeof(struct wmi_connect_event))
 796                 return -EINVAL;
 797
 798         ev = (struct wmi_connect_event *) datap;
 799
 800         if (vif->nw_type == AP_NETWORK) {
 801                 /* AP mode start/STA connected event */
 802                 struct net_device *dev = vif->ndev;
 803                 if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
 804                         ath6kl_dbg(ATH6KL_DBG_WMI,
 805                                    "%s: freq %d bssid %pM (AP started)\n",
 806                                    __func__, le16_to_cpu(ev->u.ap_bss.ch),
 807                                    ev->u.ap_bss.bssid);
 808                         ath6kl_connect_ap_mode_bss(
 809                                 vif, le16_to_cpu(ev->u.ap_bss.ch));
 810                 } else {
 811                         ath6kl_dbg(ATH6KL_DBG_WMI,
 812                                    "%s: aid %u mac_addr %pM auth=%u keymgmt=%u cipher=%u apsd_info=%u (STA connected)\n",
 813                                    __func__, ev->u.ap_sta.aid,
 814                                    ev->u.ap_sta.mac_addr,
 815                                    ev->u.ap_sta.auth,
 816                                    ev->u.ap_sta.keymgmt,
 817                                    le16_to_cpu(ev->u.ap_sta.cipher),
 818                                    ev->u.ap_sta.apsd_info);
 819
 820                         ath6kl_connect_ap_mode_sta(
 821                                 vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
 822                                 ev->u.ap_sta.keymgmt,
 823                                 le16_to_cpu(ev->u.ap_sta.cipher),
 824                                 ev->u.ap_sta.auth, ev->assoc_req_len,
 825                                 ev->assoc_info + ev->beacon_ie_len,
 826                                 ev->u.ap_sta.apsd_info);
 827                 }
 828                 return 0;
 829         }
 830
 831         /* STA/IBSS mode connection event */
 832
 833         ath6kl_dbg(ATH6KL_DBG_WMI,
 834                    "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
 835                    le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
 836                    le16_to_cpu(ev->u.sta.listen_intvl),
 837                    le16_to_cpu(ev->u.sta.beacon_intvl),
 838                    le32_to_cpu(ev->u.sta.nw_type));
 839
 840         /* Start of assoc rsp IEs */
 841         pie = ev->assoc_info + ev->beacon_ie_len +
 842               ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
 843
 844         /* End of assoc rsp IEs */
 845         peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
 846             ev->assoc_resp_len;
 847
 848         while (pie < peie) {
 849                 switch (*pie) {
 850                 case WLAN_EID_VENDOR_SPECIFIC:
 851                         if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
 852                             pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
 853                                 /* WMM OUT (00:50:F2) */
 854                                 if (pie[1] > 5 &&
 855                                     pie[6] == WMM_PARAM_OUI_SUBTYPE)
 856                                         wmi->is_wmm_enabled = true;
 857                         }
 858                         break;
 859                 }
 860
 861                 if (wmi->is_wmm_enabled)
 862                         break;
 863
 864                 pie += pie[1] + 2;
 865         }
 866
 867         ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
 868                              ev->u.sta.bssid,
 869                              le16_to_cpu(ev->u.sta.listen_intvl),
 870                              le16_to_cpu(ev->u.sta.beacon_intvl),
 871                              le32_to_cpu(ev->u.sta.nw_type),
 872                              ev->beacon_ie_len, ev->assoc_req_len,
 873                              ev->assoc_resp_len, ev->assoc_info);
 874
 875         return 0;
 876 }
 877
 878 static struct country_code_to_enum_rd *
 879 ath6kl_regd_find_country(u16 countryCode)
 880 {
 881         int i;
 882
 883         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 884                 if (allCountries[i].countryCode == countryCode)
 885                         return &allCountries[i];
 886         }
 887
 888         return NULL;
 889 }
 890
 891 static struct reg_dmn_pair_mapping *
 892 ath6kl_get_regpair(u16 regdmn)
 893 {
 894         int i;
 895
 896         if (regdmn == NO_ENUMRD)
 897                 return NULL;
 898
 899         for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
 900                 if (regDomainPairs[i].regDmnEnum == regdmn)
 901                         return &regDomainPairs[i];
 902         }
 903
 904         return NULL;
 905 }
 906
 907 static struct country_code_to_enum_rd *
 908 ath6kl_regd_find_country_by_rd(u16 regdmn)
 909 {
 910         int i;
 911
 912         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 913                 if (allCountries[i].regDmnEnum == regdmn)
 914                         return &allCountries[i];
 915         }
 916
 917         return NULL;
 918 }
 919
 920 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 921 {
 922
 923         struct ath6kl_wmi_regdomain *ev;
 924         struct country_code_to_enum_rd *country = NULL;
 925         struct reg_dmn_pair_mapping *regpair = NULL;
 926         char alpha2[2];
 927         u32 reg_code;
 928
 929         ev = (struct ath6kl_wmi_regdomain *) datap;
 930         reg_code = le32_to_cpu(ev->reg_code);
 931
 932         if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG)
 933                 country = ath6kl_regd_find_country((u16) reg_code);
 934         else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
 935
 936                 regpair = ath6kl_get_regpair((u16) reg_code);
 937                 country = ath6kl_regd_find_country_by_rd((u16) reg_code);
 938                 if (regpair)
 939                         ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
 940                                    regpair->regDmnEnum);
 941                 else
 942                         ath6kl_warn("Regpair not found reg_code 0x%0x\n",
 943                                     reg_code);
 944         }
 945
 946         if (country && wmi->parent_dev->wiphy_registered) {
 947                 alpha2[0] = country->isoName[0];
 948                 alpha2[1] = country->isoName[1];
 949
 950                 regulatory_hint(wmi->parent_dev->wiphy, alpha2);
 951
 952                 ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
 953                            alpha2[0], alpha2[1]);
 954         }
 955 }
 956
 957 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
 958                                           struct ath6kl_vif *vif)
 959 {
 960         struct wmi_disconnect_event *ev;
 961         wmi->traffic_class = 100;
 962
 963         if (len < sizeof(struct wmi_disconnect_event))
 964                 return -EINVAL;
 965
 966         ev = (struct wmi_disconnect_event *) datap;
 967
 968         ath6kl_dbg(ATH6KL_DBG_WMI,
 969                    "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
 970                    le16_to_cpu(ev->proto_reason_status), ev->bssid,
 971                    ev->disconn_reason, ev->assoc_resp_len);
 972
 973         wmi->is_wmm_enabled = false;
 974
 975         ath6kl_disconnect_event(vif, ev->disconn_reason,
 976                                 ev->bssid, ev->assoc_resp_len, ev->assoc_info,
 977                                 le16_to_cpu(ev->proto_reason_status));
 978
 979         return 0;
 980 }
 981
 982 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
 983 {
 984         struct wmi_peer_node_event *ev;
 985
 986         if (len < sizeof(struct wmi_peer_node_event))
 987                 return -EINVAL;
 988
 989         ev = (struct wmi_peer_node_event *) datap;
 990
 991         if (ev->event_code == PEER_NODE_JOIN_EVENT)
 992                 ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
 993                            ev->peer_mac_addr);
 994         else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
 995                 ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
 996                            ev->peer_mac_addr);
 997
 998         return 0;
 999 }
1000
1001 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
1002                                            struct ath6kl_vif *vif)
1003 {
1004         struct wmi_tkip_micerr_event *ev;
1005
1006         if (len < sizeof(struct wmi_tkip_micerr_event))
1007                 return -EINVAL;
1008
1009         ev = (struct wmi_tkip_micerr_event *) datap;
1010
1011         ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
1012
1013         return 0;
1014 }
1015
1016 void ath6kl_wmi_sscan_timer(unsigned long ptr)
1017 {
1018         struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
1019
1020         cfg80211_sched_scan_results(vif->ar->wiphy);
1021 }
1022
1023 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
1024                                        struct ath6kl_vif *vif)
1025 {
1026         struct wmi_bss_info_hdr2 *bih;
1027         u8 *buf;
1028         struct ieee80211_channel *channel;
1029         struct ath6kl *ar = wmi->parent_dev;
1030         struct ieee80211_mgmt *mgmt;
1031         struct cfg80211_bss *bss;
1032
1033         if (len <= sizeof(struct wmi_bss_info_hdr2))
1034                 return -EINVAL;
1035
1036         bih = (struct wmi_bss_info_hdr2 *) datap;
1037         buf = datap + sizeof(struct wmi_bss_info_hdr2);
1038         len -= sizeof(struct wmi_bss_info_hdr2);
1039
1040         ath6kl_dbg(ATH6KL_DBG_WMI,
1041                    "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1042                    "frame_type=%d\n",
1043                    bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1044                    bih->frame_type);
1045
1046         if (bih->frame_type != BEACON_FTYPE &&
1047             bih->frame_type != PROBERESP_FTYPE)
1048                 return 0; /* Only update BSS table for now */
1049
1050         if (bih->frame_type == BEACON_FTYPE &&
1051             test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1052                 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1053                 ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1054                                          NONE_BSS_FILTER, 0);
1055         }
1056
1057         channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1058         if (channel == NULL)
1059                 return -EINVAL;
1060
1061         if (len < 8 + 2 + 2)
1062                 return -EINVAL;
1063
1064         if (bih->frame_type == BEACON_FTYPE &&
1065             test_bit(CONNECTED, &vif->flags) &&
1066             memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1067                 const u8 *tim;
1068                 tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1069                                        len - 8 - 2 - 2);
1070                 if (tim && tim[1] >= 2) {
1071                         vif->assoc_bss_dtim_period = tim[3];
1072                         set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1073                 }
1074         }
1075
1076         /*
1077          * In theory, use of cfg80211_inform_bss() would be more natural here
1078          * since we do not have the full frame. However, at least for now,
1079          * cfg80211 can only distinguish Beacon and Probe Response frames from
1080          * each other when using cfg80211_inform_bss_frame(), so let's build a
1081          * fake IEEE 802.11 header to be able to take benefit of this.
1082          */
1083         mgmt = kmalloc(24 + len, GFP_ATOMIC);
1084         if (mgmt == NULL)
1085                 return -EINVAL;
1086
1087         if (bih->frame_type == BEACON_FTYPE) {
1088                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1089                                                   IEEE80211_STYPE_BEACON);
1090                 memset(mgmt->da, 0xff, ETH_ALEN);
1091         } else {
1092                 struct net_device *dev = vif->ndev;
1093
1094                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1095                                                   IEEE80211_STYPE_PROBE_RESP);
1096                 memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
1097         }
1098         mgmt->duration = cpu_to_le16(0);
1099         memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
1100         memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
1101         mgmt->seq_ctrl = cpu_to_le16(0);
1102
1103         memcpy(&mgmt->u.beacon, buf, len);
1104
1105         bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
1106                                         24 + len, (bih->snr - 95) * 100,
1107                                         GFP_ATOMIC);
1108         kfree(mgmt);
1109         if (bss == NULL)
1110                 return -ENOMEM;
1111         cfg80211_put_bss(bss);
1112
1113         /*
1114          * Firmware doesn't return any event when scheduled scan has
1115          * finished, so we need to use a timer to find out when there are
1116          * no more results.
1117          *
1118          * The timer is started from the first bss info received, otherwise
1119          * the timer would not ever fire if the scan interval is short
1120          * enough.
1121          */
1122         if (test_bit(SCHED_SCANNING, &vif->flags) &&
1123             !timer_pending(&vif->sched_scan_timer)) {
1124                 mod_timer(&vif->sched_scan_timer, jiffies +
1125                           msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1126         }
1127
1128         return 0;
1129 }
1130
1131 /* Inactivity timeout of a fatpipe(pstream) at the target */
1132 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1133                                                int len)
1134 {
1135         struct wmi_pstream_timeout_event *ev;
1136
1137         if (len < sizeof(struct wmi_pstream_timeout_event))
1138                 return -EINVAL;
1139
1140         ev = (struct wmi_pstream_timeout_event *) datap;
1141
1142         /*
1143          * When the pstream (fat pipe == AC) timesout, it means there were
1144          * no thinStreams within this pstream & it got implicitly created
1145          * due to data flow on this AC. We start the inactivity timer only
1146          * for implicitly created pstream. Just reset the host state.
1147          */
1148         spin_lock_bh(&wmi->lock);
1149         wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1150         wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1151         spin_unlock_bh(&wmi->lock);
1152
1153         /* Indicate inactivity to driver layer for this fatpipe (pstream) */
1154         ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1155
1156         return 0;
1157 }
1158
1159 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1160 {
1161         struct wmi_bit_rate_reply *reply;
1162         s32 rate;
1163         u32 sgi, index;
1164
1165         if (len < sizeof(struct wmi_bit_rate_reply))
1166                 return -EINVAL;
1167
1168         reply = (struct wmi_bit_rate_reply *) datap;
1169
1170         ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1171
1172         if (reply->rate_index == (s8) RATE_AUTO) {
1173                 rate = RATE_AUTO;
1174         } else {
1175                 index = reply->rate_index & 0x7f;
1176                 if (WARN_ON_ONCE(index > (RATE_MCS_7_40 + 1)))
1177                         return -EINVAL;
1178
1179                 sgi = (reply->rate_index & 0x80) ? 1 : 0;
1180                 rate = wmi_rate_tbl[index][sgi];
1181         }
1182
1183         ath6kl_wakeup_event(wmi->parent_dev);
1184
1185         return 0;
1186 }
1187
1188 static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1189 {
1190         ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1191
1192         return 0;
1193 }
1194
1195 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1196 {
1197         if (len < sizeof(struct wmi_fix_rates_reply))
1198                 return -EINVAL;
1199
1200         ath6kl_wakeup_event(wmi->parent_dev);
1201
1202         return 0;
1203 }
1204
1205 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1206 {
1207         if (len < sizeof(struct wmi_channel_list_reply))
1208                 return -EINVAL;
1209
1210         ath6kl_wakeup_event(wmi->parent_dev);
1211
1212         return 0;
1213 }
1214
1215 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1216 {
1217         struct wmi_tx_pwr_reply *reply;
1218
1219         if (len < sizeof(struct wmi_tx_pwr_reply))
1220                 return -EINVAL;
1221
1222         reply = (struct wmi_tx_pwr_reply *) datap;
1223         ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1224
1225         return 0;
1226 }
1227
1228 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1229 {
1230         if (len < sizeof(struct wmi_get_keepalive_cmd))
1231                 return -EINVAL;
1232
1233         ath6kl_wakeup_event(wmi->parent_dev);
1234
1235         return 0;
1236 }
1237
1238 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1239                                        struct ath6kl_vif *vif)
1240 {
1241         struct wmi_scan_complete_event *ev;
1242
1243         ev = (struct wmi_scan_complete_event *) datap;
1244
1245         ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1246         wmi->is_probe_ssid = false;
1247
1248         return 0;
1249 }
1250
1251 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1252                                                int len, struct ath6kl_vif *vif)
1253 {
1254         struct wmi_neighbor_report_event *ev;
1255         u8 i;
1256
1257         if (len < sizeof(*ev))
1258                 return -EINVAL;
1259         ev = (struct wmi_neighbor_report_event *) datap;
1260         if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1261             > len) {
1262                 ath6kl_dbg(ATH6KL_DBG_WMI,
1263                            "truncated neighbor event (num=%d len=%d)\n",
1264                            ev->num_neighbors, len);
1265                 return -EINVAL;
1266         }
1267         for (i = 0; i < ev->num_neighbors; i++) {
1268                 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1269                            i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1270                            ev->neighbor[i].bss_flags);
1271                 cfg80211_pmksa_candidate_notify(vif->ndev, i,
1272                                                 ev->neighbor[i].bssid,
1273                                                 !!(ev->neighbor[i].bss_flags &
1274                                                    WMI_PREAUTH_CAPABLE_BSS),
1275                                                 GFP_ATOMIC);
1276         }
1277
1278         return 0;
1279 }
1280
1281 /*
1282  * Target is reporting a programming error.  This is for
1283  * developer aid only.  Target only checks a few common violations
1284  * and it is responsibility of host to do all error checking.
1285  * Behavior of target after wmi error event is undefined.
1286  * A reset is recommended.
1287  */
1288 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1289 {
1290         const char *type = "unknown error";
1291         struct wmi_cmd_error_event *ev;
1292         ev = (struct wmi_cmd_error_event *) datap;
1293
1294         switch (ev->err_code) {
1295         case INVALID_PARAM:
1296                 type = "invalid parameter";
1297                 break;
1298         case ILLEGAL_STATE:
1299                 type = "invalid state";
1300                 break;
1301         case INTERNAL_ERROR:
1302                 type = "internal error";
1303                 break;
1304         }
1305
1306         ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1307                    ev->cmd_id, type);
1308
1309         return 0;
1310 }
1311
1312 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1313                                      struct ath6kl_vif *vif)
1314 {
1315         ath6kl_tgt_stats_event(vif, datap, len);
1316
1317         return 0;
1318 }
1319
1320 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1321                                          struct sq_threshold_params *sq_thresh,
1322                                          u32 size)
1323 {
1324         u32 index;
1325         u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1326
1327         /* The list is already in sorted order. Get the next lower value */
1328         for (index = 0; index < size; index++) {
1329                 if (rssi < sq_thresh->upper_threshold[index]) {
1330                         threshold = (u8) sq_thresh->upper_threshold[index];
1331                         break;
1332                 }
1333         }
1334
1335         return threshold;
1336 }
1337
1338 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1339                                          struct sq_threshold_params *sq_thresh,
1340                                          u32 size)
1341 {
1342         u32 index;
1343         u8 threshold = (u8) sq_thresh->lower_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->lower_threshold[index]) {
1348                         threshold = (u8) sq_thresh->lower_threshold[index];
1349                         break;
1350                 }
1351         }
1352
1353         return threshold;
1354 }
1355
1356 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1357                         struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1358 {
1359         struct sk_buff *skb;
1360         struct wmi_rssi_threshold_params_cmd *cmd;
1361
1362         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1363         if (!skb)
1364                 return -ENOMEM;
1365
1366         cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1367         memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1368
1369         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1370                                    NO_SYNC_WMIFLAG);
1371 }
1372
1373 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1374                                               int len)
1375 {
1376         struct wmi_rssi_threshold_event *reply;
1377         struct wmi_rssi_threshold_params_cmd cmd;
1378         struct sq_threshold_params *sq_thresh;
1379         enum wmi_rssi_threshold_val new_threshold;
1380         u8 upper_rssi_threshold, lower_rssi_threshold;
1381         s16 rssi;
1382         int ret;
1383
1384         if (len < sizeof(struct wmi_rssi_threshold_event))
1385                 return -EINVAL;
1386
1387         reply = (struct wmi_rssi_threshold_event *) datap;
1388         new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1389         rssi = a_sle16_to_cpu(reply->rssi);
1390
1391         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1392
1393         /*
1394          * Identify the threshold breached and communicate that to the app.
1395          * After that install a new set of thresholds based on the signal
1396          * quality reported by the target
1397          */
1398         if (new_threshold) {
1399                 /* Upper threshold breached */
1400                 if (rssi < sq_thresh->upper_threshold[0]) {
1401                         ath6kl_dbg(ATH6KL_DBG_WMI,
1402                                    "spurious upper rssi threshold event: %d\n",
1403                                    rssi);
1404                 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1405                            (rssi >= sq_thresh->upper_threshold[0])) {
1406                         new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1407                 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1408                            (rssi >= sq_thresh->upper_threshold[1])) {
1409                         new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1410                 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1411                            (rssi >= sq_thresh->upper_threshold[2])) {
1412                         new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1413                 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1414                            (rssi >= sq_thresh->upper_threshold[3])) {
1415                         new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1416                 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1417                            (rssi >= sq_thresh->upper_threshold[4])) {
1418                         new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1419                 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1420                         new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1421                 }
1422         } else {
1423                 /* Lower threshold breached */
1424                 if (rssi > sq_thresh->lower_threshold[0]) {
1425                         ath6kl_dbg(ATH6KL_DBG_WMI,
1426                                    "spurious lower rssi threshold event: %d %d\n",
1427                                 rssi, sq_thresh->lower_threshold[0]);
1428                 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1429                            (rssi <= sq_thresh->lower_threshold[0])) {
1430                         new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1431                 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1432                            (rssi <= sq_thresh->lower_threshold[1])) {
1433                         new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1434                 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1435                            (rssi <= sq_thresh->lower_threshold[2])) {
1436                         new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1437                 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1438                            (rssi <= sq_thresh->lower_threshold[3])) {
1439                         new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1440                 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1441                            (rssi <= sq_thresh->lower_threshold[4])) {
1442                         new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1443                 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1444                         new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1445                 }
1446         }
1447
1448         /* Calculate and install the next set of thresholds */
1449         lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1450                                        sq_thresh->lower_threshold_valid_count);
1451         upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1452                                        sq_thresh->upper_threshold_valid_count);
1453
1454         /* Issue a wmi command to install the thresholds */
1455         cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1456         cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1457         cmd.weight = sq_thresh->weight;
1458         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1459
1460         ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1461         if (ret) {
1462                 ath6kl_err("unable to configure rssi thresholds\n");
1463                 return -EIO;
1464         }
1465
1466         return 0;
1467 }
1468
1469 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1470                                    struct ath6kl_vif *vif)
1471 {
1472         struct wmi_cac_event *reply;
1473         struct ieee80211_tspec_ie *ts;
1474         u16 active_tsids, tsinfo;
1475         u8 tsid, index;
1476         u8 ts_id;
1477
1478         if (len < sizeof(struct wmi_cac_event))
1479                 return -EINVAL;
1480
1481         reply = (struct wmi_cac_event *) datap;
1482
1483         if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1484             (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1485
1486                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1487                 tsinfo = le16_to_cpu(ts->tsinfo);
1488                 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1489                         IEEE80211_WMM_IE_TSPEC_TID_MASK;
1490
1491                 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1492                                               reply->ac, tsid);
1493         } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1494                 /*
1495                  * Following assumes that there is only one outstanding
1496                  * ADDTS request when this event is received
1497                  */
1498                 spin_lock_bh(&wmi->lock);
1499                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1500                 spin_unlock_bh(&wmi->lock);
1501
1502                 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1503                         if ((active_tsids >> index) & 1)
1504                                 break;
1505                 }
1506                 if (index < (sizeof(active_tsids) * 8))
1507                         ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1508                                                       reply->ac, index);
1509         }
1510
1511         /*
1512          * Clear active tsids and Add missing handling
1513          * for delete qos stream from AP
1514          */
1515         else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1516
1517                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1518                 tsinfo = le16_to_cpu(ts->tsinfo);
1519                 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1520                          IEEE80211_WMM_IE_TSPEC_TID_MASK);
1521
1522                 spin_lock_bh(&wmi->lock);
1523                 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1524                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1525                 spin_unlock_bh(&wmi->lock);
1526
1527                 /* Indicate stream inactivity to driver layer only if all tsids
1528                  * within this AC are deleted.
1529                  */
1530                 if (!active_tsids) {
1531                         ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1532                                                     false);
1533                         wmi->fat_pipe_exist &= ~(1 << reply->ac);
1534                 }
1535         }
1536
1537         return 0;
1538 }
1539
1540 static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,
1541                                           struct ath6kl_vif *vif)
1542 {
1543         struct wmi_txe_notify_event *ev;
1544         u32 rate, pkts;
1545
1546         if (len < sizeof(*ev))
1547                 return -EINVAL;
1548
1549         if (vif->sme_state != SME_CONNECTED)
1550                 return -ENOTCONN;
1551
1552         ev = (struct wmi_txe_notify_event *) datap;
1553         rate = le32_to_cpu(ev->rate);
1554         pkts = le32_to_cpu(ev->pkts);
1555
1556         ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d% pkts %d intvl %ds\n",
1557                    vif->bssid, rate, pkts, vif->txe_intvl);
1558
1559         cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,
1560                                 rate, vif->txe_intvl, GFP_KERNEL);
1561
1562         return 0;
1563 }
1564
1565 int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
1566                               u32 rate, u32 pkts, u32 intvl)
1567 {
1568         struct sk_buff *skb;
1569         struct wmi_txe_notify_cmd *cmd;
1570
1571         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1572         if (!skb)
1573                 return -ENOMEM;
1574
1575         cmd = (struct wmi_txe_notify_cmd *) skb->data;
1576         cmd->rate = cpu_to_le32(rate);
1577         cmd->pkts = cpu_to_le32(pkts);
1578         cmd->intvl = cpu_to_le32(intvl);
1579
1580         return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,
1581                                    NO_SYNC_WMIFLAG);
1582 }
1583
1584 int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
1585 {
1586         struct sk_buff *skb;
1587         struct wmi_set_rssi_filter_cmd *cmd;
1588         int ret;
1589
1590         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1591         if (!skb)
1592                 return -ENOMEM;
1593
1594         cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
1595         cmd->rssi = rssi;
1596
1597         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,
1598                                   NO_SYNC_WMIFLAG);
1599         return ret;
1600 }
1601
1602 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1603                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1604 {
1605         struct sk_buff *skb;
1606         struct wmi_snr_threshold_params_cmd *cmd;
1607
1608         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1609         if (!skb)
1610                 return -ENOMEM;
1611
1612         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1613         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1614
1615         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1616                                    NO_SYNC_WMIFLAG);
1617 }
1618
1619 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1620                                              int len)
1621 {
1622         struct wmi_snr_threshold_event *reply;
1623         struct sq_threshold_params *sq_thresh;
1624         struct wmi_snr_threshold_params_cmd cmd;
1625         enum wmi_snr_threshold_val new_threshold;
1626         u8 upper_snr_threshold, lower_snr_threshold;
1627         s16 snr;
1628         int ret;
1629
1630         if (len < sizeof(struct wmi_snr_threshold_event))
1631                 return -EINVAL;
1632
1633         reply = (struct wmi_snr_threshold_event *) datap;
1634
1635         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1636         snr = reply->snr;
1637
1638         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1639
1640         /*
1641          * Identify the threshold breached and communicate that to the app.
1642          * After that install a new set of thresholds based on the signal
1643          * quality reported by the target.
1644          */
1645         if (new_threshold) {
1646                 /* Upper threshold breached */
1647                 if (snr < sq_thresh->upper_threshold[0]) {
1648                         ath6kl_dbg(ATH6KL_DBG_WMI,
1649                                    "spurious upper snr threshold event: %d\n",
1650                                    snr);
1651                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1652                            (snr >= sq_thresh->upper_threshold[0])) {
1653                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1654                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1655                            (snr >= sq_thresh->upper_threshold[1])) {
1656                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1657                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1658                            (snr >= sq_thresh->upper_threshold[2])) {
1659                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1660                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1661                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1662                 }
1663         } else {
1664                 /* Lower threshold breached */
1665                 if (snr > sq_thresh->lower_threshold[0]) {
1666                         ath6kl_dbg(ATH6KL_DBG_WMI,
1667                                    "spurious lower snr threshold event: %d\n",
1668                                    sq_thresh->lower_threshold[0]);
1669                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1670                            (snr <= sq_thresh->lower_threshold[0])) {
1671                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1672                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1673                            (snr <= sq_thresh->lower_threshold[1])) {
1674                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1675                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1676                            (snr <= sq_thresh->lower_threshold[2])) {
1677                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1678                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1679                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1680                 }
1681         }
1682
1683         /* Calculate and install the next set of thresholds */
1684         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1685                                        sq_thresh->lower_threshold_valid_count);
1686         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1687                                        sq_thresh->upper_threshold_valid_count);
1688
1689         /* Issue a wmi command to install the thresholds */
1690         cmd.thresh_above1_val = upper_snr_threshold;
1691         cmd.thresh_below1_val = lower_snr_threshold;
1692         cmd.weight = sq_thresh->weight;
1693         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1694
1695         ath6kl_dbg(ATH6KL_DBG_WMI,
1696                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1697                    snr, new_threshold,
1698                    lower_snr_threshold, upper_snr_threshold);
1699
1700         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1701         if (ret) {
1702                 ath6kl_err("unable to configure snr threshold\n");
1703                 return -EIO;
1704         }
1705
1706         return 0;
1707 }
1708
1709 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1710 {
1711         u16 ap_info_entry_size;
1712         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1713         struct wmi_ap_info_v1 *ap_info_v1;
1714         u8 index;
1715
1716         if (len < sizeof(struct wmi_aplist_event) ||
1717             ev->ap_list_ver != APLIST_VER1)
1718                 return -EINVAL;
1719
1720         ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1721         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1722
1723         ath6kl_dbg(ATH6KL_DBG_WMI,
1724                    "number of APs in aplist event: %d\n", ev->num_ap);
1725
1726         if (len < (int) (sizeof(struct wmi_aplist_event) +
1727                          (ev->num_ap - 1) * ap_info_entry_size))
1728                 return -EINVAL;
1729
1730         /* AP list version 1 contents */
1731         for (index = 0; index < ev->num_ap; index++) {
1732                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1733                            index, ap_info_v1->bssid, ap_info_v1->channel);
1734                 ap_info_v1++;
1735         }
1736
1737         return 0;
1738 }
1739
1740 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1741                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1742 {
1743         struct wmi_cmd_hdr *cmd_hdr;
1744         enum htc_endpoint_id ep_id = wmi->ep_id;
1745         int ret;
1746         u16 info1;
1747
1748         if (WARN_ON(skb == NULL ||
1749                     (if_idx > (wmi->parent_dev->vif_max - 1)))) {
1750                 dev_kfree_skb(skb);
1751                 return -EINVAL;
1752         }
1753
1754         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1755                    cmd_id, skb->len, sync_flag);
1756         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1757                         skb->data, skb->len);
1758
1759         if (sync_flag >= END_WMIFLAG) {
1760                 dev_kfree_skb(skb);
1761                 return -EINVAL;
1762         }
1763
1764         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1765             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1766                 /*
1767                  * Make sure all data currently queued is transmitted before
1768                  * the cmd execution.  Establish a new sync point.
1769                  */
1770                 ath6kl_wmi_sync_point(wmi, if_idx);
1771         }
1772
1773         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1774
1775         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1776         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1777         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1778         cmd_hdr->info1 = cpu_to_le16(info1);
1779
1780         /* Only for OPT_TX_CMD, use BE endpoint. */
1781         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1782                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1783                                               false, false, 0, NULL, if_idx);
1784                 if (ret) {
1785                         dev_kfree_skb(skb);
1786                         return ret;
1787                 }
1788                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1789         }
1790
1791         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1792
1793         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1794             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1795                 /*
1796                  * Make sure all new data queued waits for the command to
1797                  * execute. Establish a new sync point.
1798                  */
1799                 ath6kl_wmi_sync_point(wmi, if_idx);
1800         }
1801
1802         return 0;
1803 }
1804
1805 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1806                            enum network_type nw_type,
1807                            enum dot11_auth_mode dot11_auth_mode,
1808                            enum auth_mode auth_mode,
1809                            enum crypto_type pairwise_crypto,
1810                            u8 pairwise_crypto_len,
1811                            enum crypto_type group_crypto,
1812                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1813                            u8 *bssid, u16 channel, u32 ctrl_flags,
1814                            u8 nw_subtype)
1815 {
1816         struct sk_buff *skb;
1817         struct wmi_connect_cmd *cc;
1818         int ret;
1819
1820         ath6kl_dbg(ATH6KL_DBG_WMI,
1821                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1822                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1823                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1824                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1825         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1826
1827         wmi->traffic_class = 100;
1828
1829         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1830                 return -EINVAL;
1831
1832         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1833                 return -EINVAL;
1834
1835         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1836         if (!skb)
1837                 return -ENOMEM;
1838
1839         cc = (struct wmi_connect_cmd *) skb->data;
1840
1841         if (ssid_len)
1842                 memcpy(cc->ssid, ssid, ssid_len);
1843
1844         cc->ssid_len = ssid_len;
1845         cc->nw_type = nw_type;
1846         cc->dot11_auth_mode = dot11_auth_mode;
1847         cc->auth_mode = auth_mode;
1848         cc->prwise_crypto_type = pairwise_crypto;
1849         cc->prwise_crypto_len = pairwise_crypto_len;
1850         cc->grp_crypto_type = group_crypto;
1851         cc->grp_crypto_len = group_crypto_len;
1852         cc->ch = cpu_to_le16(channel);
1853         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1854         cc->nw_subtype = nw_subtype;
1855
1856         if (bssid != NULL)
1857                 memcpy(cc->bssid, bssid, ETH_ALEN);
1858
1859         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1860                                   NO_SYNC_WMIFLAG);
1861
1862         return ret;
1863 }
1864
1865 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1866                              u16 channel)
1867 {
1868         struct sk_buff *skb;
1869         struct wmi_reconnect_cmd *cc;
1870         int ret;
1871
1872         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1873                    bssid, channel);
1874
1875         wmi->traffic_class = 100;
1876
1877         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1878         if (!skb)
1879                 return -ENOMEM;
1880
1881         cc = (struct wmi_reconnect_cmd *) skb->data;
1882         cc->channel = cpu_to_le16(channel);
1883
1884         if (bssid != NULL)
1885                 memcpy(cc->bssid, bssid, ETH_ALEN);
1886
1887         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1888                                   NO_SYNC_WMIFLAG);
1889
1890         return ret;
1891 }
1892
1893 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1894 {
1895         int ret;
1896
1897         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1898
1899         wmi->traffic_class = 100;
1900
1901         /* Disconnect command does not need to do a SYNC before. */
1902         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1903
1904         return ret;
1905 }
1906
1907 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1908  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1909  * mgmt operations using station interface.
1910  */
1911 static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1912                                     enum wmi_scan_type scan_type,
1913                                     u32 force_fgscan, u32 is_legacy,
1914                                     u32 home_dwell_time,
1915                                     u32 force_scan_interval,
1916                                     s8 num_chan, u16 *ch_list)
1917 {
1918         struct sk_buff *skb;
1919         struct wmi_start_scan_cmd *sc;
1920         s8 size;
1921         int i, ret;
1922
1923         size = sizeof(struct wmi_start_scan_cmd);
1924
1925         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1926                 return -EINVAL;
1927
1928         if (num_chan > WMI_MAX_CHANNELS)
1929                 return -EINVAL;
1930
1931         if (num_chan)
1932                 size += sizeof(u16) * (num_chan - 1);
1933
1934         skb = ath6kl_wmi_get_new_buf(size);
1935         if (!skb)
1936                 return -ENOMEM;
1937
1938         sc = (struct wmi_start_scan_cmd *) skb->data;
1939         sc->scan_type = scan_type;
1940         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1941         sc->is_legacy = cpu_to_le32(is_legacy);
1942         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1943         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1944         sc->num_ch = num_chan;
1945
1946         for (i = 0; i < num_chan; i++)
1947                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1948
1949         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1950                                   NO_SYNC_WMIFLAG);
1951
1952         return ret;
1953 }
1954
1955 /*
1956  * beginscan supports (compared to old startscan) P2P mgmt operations using
1957  * station interface, send additional information like supported rates to
1958  * advertise and xmit rates for probe requests
1959  */
1960 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1961                              enum wmi_scan_type scan_type,
1962                              u32 force_fgscan, u32 is_legacy,
1963                              u32 home_dwell_time, u32 force_scan_interval,
1964                              s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
1965 {
1966         struct ieee80211_supported_band *sband;
1967         struct sk_buff *skb;
1968         struct wmi_begin_scan_cmd *sc;
1969         s8 size, *supp_rates;
1970         int i, band, ret;
1971         struct ath6kl *ar = wmi->parent_dev;
1972         int num_rates;
1973         u32 ratemask;
1974
1975         if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1976                       ar->fw_capabilities)) {
1977                 return ath6kl_wmi_startscan_cmd(wmi, if_idx,
1978                                                 scan_type, force_fgscan,
1979                                                 is_legacy, home_dwell_time,
1980                                                 force_scan_interval,
1981                                                 num_chan, ch_list);
1982         }
1983
1984         size = sizeof(struct wmi_begin_scan_cmd);
1985
1986         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1987                 return -EINVAL;
1988
1989         if (num_chan > WMI_MAX_CHANNELS)
1990                 return -EINVAL;
1991
1992         if (num_chan)
1993                 size += sizeof(u16) * (num_chan - 1);
1994
1995         skb = ath6kl_wmi_get_new_buf(size);
1996         if (!skb)
1997                 return -ENOMEM;
1998
1999         sc = (struct wmi_begin_scan_cmd *) skb->data;
2000         sc->scan_type = scan_type;
2001         sc->force_fg_scan = cpu_to_le32(force_fgscan);
2002         sc->is_legacy = cpu_to_le32(is_legacy);
2003         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
2004         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
2005         sc->no_cck = cpu_to_le32(no_cck);
2006         sc->num_ch = num_chan;
2007
2008         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2009                 sband = ar->wiphy->bands[band];
2010
2011                 if (!sband)
2012                         continue;
2013
2014                 ratemask = rates[band];
2015                 supp_rates = sc->supp_rates[band].rates;
2016                 num_rates = 0;
2017
2018                 for (i = 0; i < sband->n_bitrates; i++) {
2019                         if ((BIT(i) & ratemask) == 0)
2020                                 continue; /* skip rate */
2021                         supp_rates[num_rates++] =
2022                             (u8) (sband->bitrates[i].bitrate / 5);
2023                 }
2024                 sc->supp_rates[band].nrates = num_rates;
2025         }
2026
2027         for (i = 0; i < num_chan; i++)
2028                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2029
2030         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
2031                                   NO_SYNC_WMIFLAG);
2032
2033         return ret;
2034 }
2035
2036 int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2037 {
2038         struct sk_buff *skb;
2039         struct wmi_enable_sched_scan_cmd *sc;
2040         int ret;
2041
2042         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2043         if (!skb)
2044                 return -ENOMEM;
2045
2046         ath6kl_dbg(ATH6KL_DBG_WMI, "%s scheduled scan on vif %d\n",
2047                    enable ? "enabling" : "disabling", if_idx);
2048         sc = (struct wmi_enable_sched_scan_cmd *) skb->data;
2049         sc->enable = enable ? 1 : 0;
2050
2051         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2052                                   WMI_ENABLE_SCHED_SCAN_CMDID,
2053                                   NO_SYNC_WMIFLAG);
2054         return ret;
2055 }
2056
2057 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
2058                               u16 fg_start_sec,
2059                               u16 fg_end_sec, u16 bg_sec,
2060                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
2061                               u16 pas_chdw_msec, u8 short_scan_ratio,
2062                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
2063                               u16 maxact_scan_per_ssid)
2064 {
2065         struct sk_buff *skb;
2066         struct wmi_scan_params_cmd *sc;
2067         int ret;
2068
2069         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2070         if (!skb)
2071                 return -ENOMEM;
2072
2073         sc = (struct wmi_scan_params_cmd *) skb->data;
2074         sc->fg_start_period = cpu_to_le16(fg_start_sec);
2075         sc->fg_end_period = cpu_to_le16(fg_end_sec);
2076         sc->bg_period = cpu_to_le16(bg_sec);
2077         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
2078         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
2079         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
2080         sc->short_scan_ratio = short_scan_ratio;
2081         sc->scan_ctrl_flags = scan_ctrl_flag;
2082         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
2083         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
2084
2085         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
2086                                   NO_SYNC_WMIFLAG);
2087         return ret;
2088 }
2089
2090 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
2091 {
2092         struct sk_buff *skb;
2093         struct wmi_bss_filter_cmd *cmd;
2094         int ret;
2095
2096         if (filter >= LAST_BSS_FILTER)
2097                 return -EINVAL;
2098
2099         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2100         if (!skb)
2101                 return -ENOMEM;
2102
2103         cmd = (struct wmi_bss_filter_cmd *) skb->data;
2104         cmd->bss_filter = filter;
2105         cmd->ie_mask = cpu_to_le32(ie_mask);
2106
2107         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
2108                                   NO_SYNC_WMIFLAG);
2109         return ret;
2110 }
2111
2112 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2113                               u8 ssid_len, u8 *ssid)
2114 {
2115         struct sk_buff *skb;
2116         struct wmi_probed_ssid_cmd *cmd;
2117         int ret;
2118
2119         if (index >= MAX_PROBED_SSIDS)
2120                 return -EINVAL;
2121
2122         if (ssid_len > sizeof(cmd->ssid))
2123                 return -EINVAL;
2124
2125         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2126                 return -EINVAL;
2127
2128         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2129                 return -EINVAL;
2130
2131         if (flag & SPECIFIC_SSID_FLAG)
2132                 wmi->is_probe_ssid = true;
2133
2134         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2135         if (!skb)
2136                 return -ENOMEM;
2137
2138         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2139         cmd->entry_index = index;
2140         cmd->flag = flag;
2141         cmd->ssid_len = ssid_len;
2142         memcpy(cmd->ssid, ssid, ssid_len);
2143
2144         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2145                                   NO_SYNC_WMIFLAG);
2146         return ret;
2147 }
2148
2149 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2150                                   u16 listen_interval,
2151                                   u16 listen_beacons)
2152 {
2153         struct sk_buff *skb;
2154         struct wmi_listen_int_cmd *cmd;
2155         int ret;
2156
2157         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2158         if (!skb)
2159                 return -ENOMEM;
2160
2161         cmd = (struct wmi_listen_int_cmd *) skb->data;
2162         cmd->listen_intvl = cpu_to_le16(listen_interval);
2163         cmd->num_beacons = cpu_to_le16(listen_beacons);
2164
2165         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2166                                   NO_SYNC_WMIFLAG);
2167         return ret;
2168 }
2169
2170 int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2171                              u16 bmiss_time, u16 num_beacons)
2172 {
2173         struct sk_buff *skb;
2174         struct wmi_bmiss_time_cmd *cmd;
2175         int ret;
2176
2177         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2178         if (!skb)
2179                 return -ENOMEM;
2180
2181         cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2182         cmd->bmiss_time = cpu_to_le16(bmiss_time);
2183         cmd->num_beacons = cpu_to_le16(num_beacons);
2184
2185         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2186                                   NO_SYNC_WMIFLAG);
2187         return ret;
2188 }
2189
2190 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2191 {
2192         struct sk_buff *skb;
2193         struct wmi_power_mode_cmd *cmd;
2194         int ret;
2195
2196         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2197         if (!skb)
2198                 return -ENOMEM;
2199
2200         cmd = (struct wmi_power_mode_cmd *) skb->data;
2201         cmd->pwr_mode = pwr_mode;
2202         wmi->pwr_mode = pwr_mode;
2203
2204         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2205                                   NO_SYNC_WMIFLAG);
2206         return ret;
2207 }
2208
2209 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2210                             u16 ps_poll_num, u16 dtim_policy,
2211                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2212                             u16 ps_fail_event_policy)
2213 {
2214         struct sk_buff *skb;
2215         struct wmi_power_params_cmd *pm;
2216         int ret;
2217
2218         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2219         if (!skb)
2220                 return -ENOMEM;
2221
2222         pm = (struct wmi_power_params_cmd *)skb->data;
2223         pm->idle_period = cpu_to_le16(idle_period);
2224         pm->pspoll_number = cpu_to_le16(ps_poll_num);
2225         pm->dtim_policy = cpu_to_le16(dtim_policy);
2226         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2227         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2228         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2229
2230         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2231                                   NO_SYNC_WMIFLAG);
2232         return ret;
2233 }
2234
2235 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2236 {
2237         struct sk_buff *skb;
2238         struct wmi_disc_timeout_cmd *cmd;
2239         int ret;
2240
2241         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2242         if (!skb)
2243                 return -ENOMEM;
2244
2245         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2246         cmd->discon_timeout = timeout;
2247
2248         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2249                                   NO_SYNC_WMIFLAG);
2250
2251         if (ret == 0)
2252                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2253
2254         return ret;
2255 }
2256
2257 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2258                           enum crypto_type key_type,
2259                           u8 key_usage, u8 key_len,
2260                           u8 *key_rsc, unsigned int key_rsc_len,
2261                           u8 *key_material,
2262                           u8 key_op_ctrl, u8 *mac_addr,
2263                           enum wmi_sync_flag sync_flag)
2264 {
2265         struct sk_buff *skb;
2266         struct wmi_add_cipher_key_cmd *cmd;
2267         int ret;
2268
2269         ath6kl_dbg(ATH6KL_DBG_WMI,
2270                    "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2271                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2272
2273         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2274             (key_material == NULL) || key_rsc_len > 8)
2275                 return -EINVAL;
2276
2277         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2278                 return -EINVAL;
2279
2280         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2281         if (!skb)
2282                 return -ENOMEM;
2283
2284         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2285         cmd->key_index = key_index;
2286         cmd->key_type = key_type;
2287         cmd->key_usage = key_usage;
2288         cmd->key_len = key_len;
2289         memcpy(cmd->key, key_material, key_len);
2290
2291         if (key_rsc != NULL)
2292                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2293
2294         cmd->key_op_ctrl = key_op_ctrl;
2295
2296         if (mac_addr)
2297                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2298
2299         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2300                                   sync_flag);
2301
2302         return ret;
2303 }
2304
2305 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk)
2306 {
2307         struct sk_buff *skb;
2308         struct wmi_add_krk_cmd *cmd;
2309         int ret;
2310
2311         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2312         if (!skb)
2313                 return -ENOMEM;
2314
2315         cmd = (struct wmi_add_krk_cmd *) skb->data;
2316         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2317
2318         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2319                                   NO_SYNC_WMIFLAG);
2320
2321         return ret;
2322 }
2323
2324 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2325 {
2326         struct sk_buff *skb;
2327         struct wmi_delete_cipher_key_cmd *cmd;
2328         int ret;
2329
2330         if (key_index > WMI_MAX_KEY_INDEX)
2331                 return -EINVAL;
2332
2333         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2334         if (!skb)
2335                 return -ENOMEM;
2336
2337         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2338         cmd->key_index = key_index;
2339
2340         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2341                                   NO_SYNC_WMIFLAG);
2342
2343         return ret;
2344 }
2345
2346 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2347                             const u8 *pmkid, bool set)
2348 {
2349         struct sk_buff *skb;
2350         struct wmi_setpmkid_cmd *cmd;
2351         int ret;
2352
2353         if (bssid == NULL)
2354                 return -EINVAL;
2355
2356         if (set && pmkid == NULL)
2357                 return -EINVAL;
2358
2359         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2360         if (!skb)
2361                 return -ENOMEM;
2362
2363         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2364         memcpy(cmd->bssid, bssid, ETH_ALEN);
2365         if (set) {
2366                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2367                 cmd->enable = PMKID_ENABLE;
2368         } else {
2369                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2370                 cmd->enable = PMKID_DISABLE;
2371         }
2372
2373         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2374                                   NO_SYNC_WMIFLAG);
2375
2376         return ret;
2377 }
2378
2379 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2380                               enum htc_endpoint_id ep_id, u8 if_idx)
2381 {
2382         struct wmi_data_hdr *data_hdr;
2383         int ret;
2384
2385         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {
2386                 dev_kfree_skb(skb);
2387                 return -EINVAL;
2388         }
2389
2390         skb_push(skb, sizeof(struct wmi_data_hdr));
2391
2392         data_hdr = (struct wmi_data_hdr *) skb->data;
2393         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2394         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2395
2396         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2397
2398         return ret;
2399 }
2400
2401 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2402 {
2403         struct sk_buff *skb;
2404         struct wmi_sync_cmd *cmd;
2405         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2406         enum htc_endpoint_id ep_id;
2407         u8 index, num_pri_streams = 0;
2408         int ret = 0;
2409
2410         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2411
2412         spin_lock_bh(&wmi->lock);
2413
2414         for (index = 0; index < WMM_NUM_AC; index++) {
2415                 if (wmi->fat_pipe_exist & (1 << index)) {
2416                         num_pri_streams++;
2417                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2418                             index;
2419                 }
2420         }
2421
2422         spin_unlock_bh(&wmi->lock);
2423
2424         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2425         if (!skb)
2426                 return -ENOMEM;
2427
2428         cmd = (struct wmi_sync_cmd *) skb->data;
2429
2430         /*
2431          * In the SYNC cmd sent on the control Ep, send a bitmap
2432          * of the data eps on which the Data Sync will be sent
2433          */
2434         cmd->data_sync_map = wmi->fat_pipe_exist;
2435
2436         for (index = 0; index < num_pri_streams; index++) {
2437                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2438                 if (data_sync_bufs[index].skb == NULL) {
2439                         ret = -ENOMEM;
2440                         break;
2441                 }
2442         }
2443
2444         /*
2445          * If buffer allocation for any of the dataSync fails,
2446          * then do not send the Synchronize cmd on the control ep
2447          */
2448         if (ret)
2449                 goto free_cmd_skb;
2450
2451         /*
2452          * Send sync cmd followed by sync data messages on all
2453          * endpoints being used
2454          */
2455         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2456                                   NO_SYNC_WMIFLAG);
2457
2458         if (ret)
2459                 goto free_data_skb;
2460
2461         for (index = 0; index < num_pri_streams; index++) {
2462
2463                 if (WARN_ON(!data_sync_bufs[index].skb))
2464                         goto free_data_skb;
2465
2466                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2467                                                data_sync_bufs[index].
2468                                                traffic_class);
2469                 ret =
2470                     ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2471                                               ep_id, if_idx);
2472
2473                 data_sync_bufs[index].skb = NULL;
2474
2475                 if (ret)
2476                         goto free_data_skb;
2477         }
2478
2479         return 0;
2480
2481 free_cmd_skb:
2482         /* free up any resources left over (possibly due to an error) */
2483         if (skb)
2484                 dev_kfree_skb(skb);
2485
2486 free_data_skb:
2487         for (index = 0; index < num_pri_streams; index++) {
2488                 if (data_sync_bufs[index].skb != NULL) {
2489                         dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].
2490                                       skb);
2491                 }
2492         }
2493
2494         return ret;
2495 }
2496
2497 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2498                                   struct wmi_create_pstream_cmd *params)
2499 {
2500         struct sk_buff *skb;
2501         struct wmi_create_pstream_cmd *cmd;
2502         u8 fatpipe_exist_for_ac = 0;
2503         s32 min_phy = 0;
2504         s32 nominal_phy = 0;
2505         int ret;
2506
2507         if (!((params->user_pri < 8) &&
2508               (params->user_pri <= 0x7) &&
2509               (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2510               (params->traffic_direc == UPLINK_TRAFFIC ||
2511                params->traffic_direc == DNLINK_TRAFFIC ||
2512                params->traffic_direc == BIDIR_TRAFFIC) &&
2513               (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2514                params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2515               (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2516                params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2517                params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2518               (params->tsid == WMI_IMPLICIT_PSTREAM ||
2519                params->tsid <= WMI_MAX_THINSTREAM))) {
2520                 return -EINVAL;
2521         }
2522
2523         /*
2524          * Check nominal PHY rate is >= minimalPHY,
2525          * so that DUT can allow TSRS IE
2526          */
2527
2528         /* Get the physical rate (units of bps) */
2529         min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2530
2531         /* Check minimal phy < nominal phy rate */
2532         if (params->nominal_phy >= min_phy) {
2533                 /* unit of 500 kbps */
2534                 nominal_phy = (params->nominal_phy * 1000) / 500;
2535                 ath6kl_dbg(ATH6KL_DBG_WMI,
2536                            "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2537                            min_phy, nominal_phy);
2538
2539                 params->nominal_phy = nominal_phy;
2540         } else {
2541                 params->nominal_phy = 0;
2542         }
2543
2544         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2545         if (!skb)
2546                 return -ENOMEM;
2547
2548         ath6kl_dbg(ATH6KL_DBG_WMI,
2549                    "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2550                    params->traffic_class, params->tsid);
2551
2552         cmd = (struct wmi_create_pstream_cmd *) skb->data;
2553         memcpy(cmd, params, sizeof(*cmd));
2554
2555         /* This is an implicitly created Fat pipe */
2556         if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2557                 spin_lock_bh(&wmi->lock);
2558                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2559                                         (1 << params->traffic_class));
2560                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2561                 spin_unlock_bh(&wmi->lock);
2562         } else {
2563                 /* explicitly created thin stream within a fat pipe */
2564                 spin_lock_bh(&wmi->lock);
2565                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2566                                         (1 << params->traffic_class));
2567                 wmi->stream_exist_for_ac[params->traffic_class] |=
2568                     (1 << params->tsid);
2569                 /*
2570                  * If a thinstream becomes active, the fat pipe automatically
2571                  * becomes active
2572                  */
2573                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2574                 spin_unlock_bh(&wmi->lock);
2575         }
2576
2577         /*
2578          * Indicate activty change to driver layer only if this is the
2579          * first TSID to get created in this AC explicitly or an implicit
2580          * fat pipe is getting created.
2581          */
2582         if (!fatpipe_exist_for_ac)
2583                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2584                                             params->traffic_class, true);
2585
2586         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2587                                   NO_SYNC_WMIFLAG);
2588         return ret;
2589 }
2590
2591 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2592                                   u8 tsid)
2593 {
2594         struct sk_buff *skb;
2595         struct wmi_delete_pstream_cmd *cmd;
2596         u16 active_tsids = 0;
2597         int ret;
2598
2599         if (traffic_class > 3) {
2600                 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2601                 return -EINVAL;
2602         }
2603
2604         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2605         if (!skb)
2606                 return -ENOMEM;
2607
2608         cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2609         cmd->traffic_class = traffic_class;
2610         cmd->tsid = tsid;
2611
2612         spin_lock_bh(&wmi->lock);
2613         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2614         spin_unlock_bh(&wmi->lock);
2615
2616         if (!(active_tsids & (1 << tsid))) {
2617                 dev_kfree_skb(skb);
2618                 ath6kl_dbg(ATH6KL_DBG_WMI,
2619                            "TSID %d doesn't exist for traffic class: %d\n",
2620                            tsid, traffic_class);
2621                 return -ENODATA;
2622         }
2623
2624         ath6kl_dbg(ATH6KL_DBG_WMI,
2625                    "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2626                    traffic_class, tsid);
2627
2628         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2629                                   SYNC_BEFORE_WMIFLAG);
2630
2631         spin_lock_bh(&wmi->lock);
2632         wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2633         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2634         spin_unlock_bh(&wmi->lock);
2635
2636         /*
2637          * Indicate stream inactivity to driver layer only if all tsids
2638          * within this AC are deleted.
2639          */
2640         if (!active_tsids) {
2641                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2642                                             traffic_class, false);
2643                 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2644         }
2645
2646         return ret;
2647 }
2648
2649 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2650                           __be32 ips0, __be32 ips1)
2651 {
2652         struct sk_buff *skb;
2653         struct wmi_set_ip_cmd *cmd;
2654         int ret;
2655
2656         /* Multicast address are not valid */
2657         if (ipv4_is_multicast(ips0) ||
2658             ipv4_is_multicast(ips1))
2659                 return -EINVAL;
2660
2661         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2662         if (!skb)
2663                 return -ENOMEM;
2664
2665         cmd = (struct wmi_set_ip_cmd *) skb->data;
2666         cmd->ips[0] = ips0;
2667         cmd->ips[1] = ips1;
2668
2669         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2670                                   NO_SYNC_WMIFLAG);
2671         return ret;
2672 }
2673
2674 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2675 {
2676         u16 active_tsids;
2677         u8 stream_exist;
2678         int i;
2679
2680         /*
2681          * Relinquish credits from all implicitly created pstreams
2682          * since when we go to sleep. If user created explicit
2683          * thinstreams exists with in a fatpipe leave them intact
2684          * for the user to delete.
2685          */
2686         spin_lock_bh(&wmi->lock);
2687         stream_exist = wmi->fat_pipe_exist;
2688         spin_unlock_bh(&wmi->lock);
2689
2690         for (i = 0; i < WMM_NUM_AC; i++) {
2691                 if (stream_exist & (1 << i)) {
2692
2693                         /*
2694                          * FIXME: Is this lock & unlock inside
2695                          * for loop correct? may need rework.
2696                          */
2697                         spin_lock_bh(&wmi->lock);
2698                         active_tsids = wmi->stream_exist_for_ac[i];
2699                         spin_unlock_bh(&wmi->lock);
2700
2701                         /*
2702                          * If there are no user created thin streams
2703                          * delete the fatpipe
2704                          */
2705                         if (!active_tsids) {
2706                                 stream_exist &= ~(1 << i);
2707                                 /*
2708                                  * Indicate inactivity to driver layer for
2709                                  * this fatpipe (pstream)
2710                                  */
2711                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2712                                                             i, false);
2713                         }
2714                 }
2715         }
2716
2717         /* FIXME: Can we do this assignment without locking ? */
2718         spin_lock_bh(&wmi->lock);
2719         wmi->fat_pipe_exist = stream_exist;
2720         spin_unlock_bh(&wmi->lock);
2721 }
2722
2723 static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2724                                      const struct cfg80211_bitrate_mask *mask)
2725 {
2726         struct sk_buff *skb;
2727         int ret, mode, band;
2728         u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2729         struct wmi_set_tx_select_rates64_cmd *cmd;
2730
2731         memset(&ratemask, 0, sizeof(ratemask));
2732
2733         /* only check 2.4 and 5 GHz bands, skip the rest */
2734         for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2735                 /* copy legacy rate mask */
2736                 ratemask[band] = mask->control[band].legacy;
2737                 if (band == IEEE80211_BAND_5GHZ)
2738                         ratemask[band] =
2739                                 mask->control[band].legacy << 4;
2740
2741                 /* copy mcs rate mask */
2742                 mcsrate = mask->control[band].mcs[1];
2743                 mcsrate <<= 8;
2744                 mcsrate |= mask->control[band].mcs[0];
2745                 ratemask[band] |= mcsrate << 12;
2746                 ratemask[band] |= mcsrate << 28;
2747         }
2748
2749         ath6kl_dbg(ATH6KL_DBG_WMI,
2750                    "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2751                    ratemask[0], ratemask[1]);
2752
2753         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2754         if (!skb)
2755                 return -ENOMEM;
2756
2757         cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2758         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2759                 /* A mode operate in 5GHZ band */
2760                 if (mode == WMI_RATES_MODE_11A ||
2761                     mode == WMI_RATES_MODE_11A_HT20 ||
2762                     mode == WMI_RATES_MODE_11A_HT40)
2763                         band = IEEE80211_BAND_5GHZ;
2764                 else
2765                         band = IEEE80211_BAND_2GHZ;
2766                 cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2767         }
2768
2769         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2770                                   WMI_SET_TX_SELECT_RATES_CMDID,
2771                                   NO_SYNC_WMIFLAG);
2772         return ret;
2773 }
2774
2775 static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2776                                      const struct cfg80211_bitrate_mask *mask)
2777 {
2778         struct sk_buff *skb;
2779         int ret, mode, band;
2780         u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2781         struct wmi_set_tx_select_rates32_cmd *cmd;
2782
2783         memset(&ratemask, 0, sizeof(ratemask));
2784
2785         /* only check 2.4 and 5 GHz bands, skip the rest */
2786         for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2787                 /* copy legacy rate mask */
2788                 ratemask[band] = mask->control[band].legacy;
2789                 if (band == IEEE80211_BAND_5GHZ)
2790                         ratemask[band] =
2791                                 mask->control[band].legacy << 4;
2792
2793                 /* copy mcs rate mask */
2794                 mcsrate = mask->control[band].mcs[0];
2795                 ratemask[band] |= mcsrate << 12;
2796                 ratemask[band] |= mcsrate << 20;
2797         }
2798
2799         ath6kl_dbg(ATH6KL_DBG_WMI,
2800                    "Ratemask 32 bit: 2.4:%x 5:%x\n",
2801                    ratemask[0], ratemask[1]);
2802
2803         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2804         if (!skb)
2805                 return -ENOMEM;
2806
2807         cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2808         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2809                 /* A mode operate in 5GHZ band */
2810                 if (mode == WMI_RATES_MODE_11A ||
2811                     mode == WMI_RATES_MODE_11A_HT20 ||
2812                     mode == WMI_RATES_MODE_11A_HT40)
2813                         band = IEEE80211_BAND_5GHZ;
2814                 else
2815                         band = IEEE80211_BAND_2GHZ;
2816                 cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2817         }
2818
2819         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2820                                   WMI_SET_TX_SELECT_RATES_CMDID,
2821                                   NO_SYNC_WMIFLAG);
2822         return ret;
2823 }
2824
2825 int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2826                                 const struct cfg80211_bitrate_mask *mask)
2827 {
2828         struct ath6kl *ar = wmi->parent_dev;
2829
2830         if (ar->hw.flags & ATH6KL_HW_64BIT_RATES)
2831                 return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
2832         else
2833                 return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
2834 }
2835
2836 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2837                                        enum ath6kl_host_mode host_mode)
2838 {
2839         struct sk_buff *skb;
2840         struct wmi_set_host_sleep_mode_cmd *cmd;
2841         int ret;
2842
2843         if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2844             (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2845                 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2846                 return -EINVAL;
2847         }
2848
2849         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2850         if (!skb)
2851                 return -ENOMEM;
2852
2853         cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2854
2855         if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2856                 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2857                 cmd->asleep = cpu_to_le32(1);
2858         } else
2859                 cmd->awake = cpu_to_le32(1);
2860
2861         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2862                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2863                                   NO_SYNC_WMIFLAG);
2864         return ret;
2865 }
2866
2867 /* This command has zero length payload */
2868 static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2869                                                       struct ath6kl_vif *vif)
2870 {
2871         struct ath6kl *ar = wmi->parent_dev;
2872
2873         set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2874         wake_up(&ar->event_wq);
2875
2876         return 0;
2877 }
2878
2879 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2880                                 enum ath6kl_wow_mode wow_mode,
2881                                 u32 filter, u16 host_req_delay)
2882 {
2883         struct sk_buff *skb;
2884         struct wmi_set_wow_mode_cmd *cmd;
2885         int ret;
2886
2887         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2888             wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2889                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2890                 return -EINVAL;
2891         }
2892
2893         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2894         if (!skb)
2895                 return -ENOMEM;
2896
2897         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2898         cmd->enable_wow = cpu_to_le32(wow_mode);
2899         cmd->filter = cpu_to_le32(filter);
2900         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2901
2902         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2903                                   NO_SYNC_WMIFLAG);
2904         return ret;
2905 }
2906
2907 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2908                                    u8 list_id, u8 filter_size,
2909                                    u8 filter_offset, const u8 *filter,
2910                                    const u8 *mask)
2911 {
2912         struct sk_buff *skb;
2913         struct wmi_add_wow_pattern_cmd *cmd;
2914         u16 size;
2915         u8 *filter_mask;
2916         int ret;
2917
2918         /*
2919          * Allocate additional memory in the buffer to hold
2920          * filter and mask value, which is twice of filter_size.
2921          */
2922         size = sizeof(*cmd) + (2 * filter_size);
2923
2924         skb = ath6kl_wmi_get_new_buf(size);
2925         if (!skb)
2926                 return -ENOMEM;
2927
2928         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2929         cmd->filter_list_id = list_id;
2930         cmd->filter_size = filter_size;
2931         cmd->filter_offset = filter_offset;
2932
2933         memcpy(cmd->filter, filter, filter_size);
2934
2935         filter_mask = (u8 *) (cmd->filter + filter_size);
2936         memcpy(filter_mask, mask, filter_size);
2937
2938         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2939                                   NO_SYNC_WMIFLAG);
2940
2941         return ret;
2942 }
2943
2944 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2945                                    u16 list_id, u16 filter_id)
2946 {
2947         struct sk_buff *skb;
2948         struct wmi_del_wow_pattern_cmd *cmd;
2949         int ret;
2950
2951         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2952         if (!skb)
2953                 return -ENOMEM;
2954
2955         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2956         cmd->filter_list_id = cpu_to_le16(list_id);
2957         cmd->filter_id = cpu_to_le16(filter_id);
2958
2959         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2960                                   NO_SYNC_WMIFLAG);
2961         return ret;
2962 }
2963
2964 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2965                                     enum wmix_command_id cmd_id,
2966                                     enum wmi_sync_flag sync_flag)
2967 {
2968         struct wmix_cmd_hdr *cmd_hdr;
2969         int ret;
2970
2971         skb_push(skb, sizeof(struct wmix_cmd_hdr));
2972
2973         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2974         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2975
2976         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
2977
2978         return ret;
2979 }
2980
2981 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2982 {
2983         struct sk_buff *skb;
2984         struct wmix_hb_challenge_resp_cmd *cmd;
2985         int ret;
2986
2987         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2988         if (!skb)
2989                 return -ENOMEM;
2990
2991         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
2992         cmd->cookie = cpu_to_le32(cookie);
2993         cmd->source = cpu_to_le32(source);
2994
2995         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
2996                                        NO_SYNC_WMIFLAG);
2997         return ret;
2998 }
2999
3000 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
3001 {
3002         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
3003         struct sk_buff *skb;
3004         int ret;
3005
3006         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3007         if (!skb)
3008                 return -ENOMEM;
3009
3010         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
3011         cmd->valid = cpu_to_le32(valid);
3012         cmd->config = cpu_to_le32(config);
3013
3014         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
3015                                        NO_SYNC_WMIFLAG);
3016         return ret;
3017 }
3018
3019 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
3020 {
3021         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
3022 }
3023
3024 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
3025 {
3026         struct sk_buff *skb;
3027         struct wmi_set_tx_pwr_cmd *cmd;
3028         int ret;
3029
3030         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
3031         if (!skb)
3032                 return -ENOMEM;
3033
3034         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
3035         cmd->dbM = dbM;
3036
3037         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
3038                                   NO_SYNC_WMIFLAG);
3039
3040         return ret;
3041 }
3042
3043 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
3044 {
3045         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
3046 }
3047
3048 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
3049 {
3050         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
3051 }
3052
3053 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
3054                                  u8 preamble_policy)
3055 {
3056         struct sk_buff *skb;
3057         struct wmi_set_lpreamble_cmd *cmd;
3058         int ret;
3059
3060         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
3061         if (!skb)
3062                 return -ENOMEM;
3063
3064         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
3065         cmd->status = status;
3066         cmd->preamble_policy = preamble_policy;
3067
3068         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
3069                                   NO_SYNC_WMIFLAG);
3070         return ret;
3071 }
3072
3073 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
3074 {
3075         struct sk_buff *skb;
3076         struct wmi_set_rts_cmd *cmd;
3077         int ret;
3078
3079         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
3080         if (!skb)
3081                 return -ENOMEM;
3082
3083         cmd = (struct wmi_set_rts_cmd *) skb->data;
3084         cmd->threshold = cpu_to_le16(threshold);
3085
3086         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
3087                                   NO_SYNC_WMIFLAG);
3088         return ret;
3089 }
3090
3091 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
3092 {
3093         struct sk_buff *skb;
3094         struct wmi_set_wmm_txop_cmd *cmd;
3095         int ret;
3096
3097         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
3098                 return -EINVAL;
3099
3100         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
3101         if (!skb)
3102                 return -ENOMEM;
3103
3104         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
3105         cmd->txop_enable = cfg;
3106
3107         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
3108                                   NO_SYNC_WMIFLAG);
3109         return ret;
3110 }
3111
3112 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3113                                  u8 keep_alive_intvl)
3114 {
3115         struct sk_buff *skb;
3116         struct wmi_set_keepalive_cmd *cmd;
3117         int ret;
3118
3119         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3120         if (!skb)
3121                 return -ENOMEM;
3122
3123         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3124         cmd->keep_alive_intvl = keep_alive_intvl;
3125
3126         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
3127                                   NO_SYNC_WMIFLAG);
3128
3129         if (ret == 0)
3130                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
3131
3132         return ret;
3133 }
3134
3135 int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3136                              enum ieee80211_band band,
3137                              struct ath6kl_htcap *htcap)
3138 {
3139         struct sk_buff *skb;
3140         struct wmi_set_htcap_cmd *cmd;
3141
3142         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3143         if (!skb)
3144                 return -ENOMEM;
3145
3146         cmd = (struct wmi_set_htcap_cmd *) skb->data;
3147
3148         /*
3149          * NOTE: Band in firmware matches enum ieee80211_band, it is unlikely
3150          * this will be changed in firmware. If at all there is any change in
3151          * band value, the host needs to be fixed.
3152          */
3153         cmd->band = band;
3154         cmd->ht_enable = !!htcap->ht_enable;
3155         cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3156         cmd->ht40_supported =
3157                 !!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3158         cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3159         cmd->intolerant_40mhz =
3160                 !!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3161         cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3162
3163         ath6kl_dbg(ATH6KL_DBG_WMI,
3164                    "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3165                    cmd->band, cmd->ht_enable, cmd->ht40_supported,
3166                    cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3167                    cmd->max_ampdu_len_exp);
3168         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
3169                                    NO_SYNC_WMIFLAG);
3170 }
3171
3172 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3173 {
3174         struct sk_buff *skb;
3175         int ret;
3176
3177         skb = ath6kl_wmi_get_new_buf(len);
3178         if (!skb)
3179                 return -ENOMEM;
3180
3181         memcpy(skb->data, buf, len);
3182
3183         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
3184
3185         return ret;
3186 }
3187
3188 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3189 {
3190         struct sk_buff *skb;
3191         struct wmi_mcast_filter_cmd *cmd;
3192         int ret;
3193
3194         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3195         if (!skb)
3196                 return -ENOMEM;
3197
3198         cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3199         cmd->mcast_all_enable = mc_all_on;
3200
3201         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
3202                                   NO_SYNC_WMIFLAG);
3203         return ret;
3204 }
3205
3206 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3207                                         u8 *filter, bool add_filter)
3208 {
3209         struct sk_buff *skb;
3210         struct wmi_mcast_filter_add_del_cmd *cmd;
3211         int ret;
3212
3213         if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3214             (filter[0] != 0x01 || filter[1] != 0x00 ||
3215             filter[2] != 0x5e || filter[3] > 0x7f)) {
3216                 ath6kl_warn("invalid multicast filter address\n");
3217                 return -EINVAL;
3218         }
3219
3220         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3221         if (!skb)
3222                 return -ENOMEM;
3223
3224         cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3225         memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3226         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3227                                   add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3228                                   WMI_DEL_MCAST_FILTER_CMDID,
3229                                   NO_SYNC_WMIFLAG);
3230
3231         return ret;
3232 }
3233
3234 int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3235 {
3236         struct sk_buff *skb;
3237         struct wmi_sta_bmiss_enhance_cmd *cmd;
3238         int ret;
3239
3240         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3241         if (!skb)
3242                 return -ENOMEM;
3243
3244         cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data;
3245         cmd->enable = enhance ? 1 : 0;
3246
3247         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3248                                   WMI_STA_BMISS_ENHANCE_CMDID,
3249                                   NO_SYNC_WMIFLAG);
3250         return ret;
3251 }
3252
3253 int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
3254 {
3255         struct sk_buff *skb;
3256         struct wmi_set_regdomain_cmd *cmd;
3257
3258         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3259         if (!skb)
3260                 return -ENOMEM;
3261
3262         cmd = (struct wmi_set_regdomain_cmd *) skb->data;
3263         memcpy(cmd->iso_name, alpha2, 2);
3264
3265         return ath6kl_wmi_cmd_send(wmi, 0, skb,
3266                                    WMI_SET_REGDOMAIN_CMDID,
3267                                    NO_SYNC_WMIFLAG);
3268 }
3269
3270 s32 ath6kl_wmi_get_rate(s8 rate_index)
3271 {
3272         u8 sgi = 0;
3273
3274         if (rate_index == RATE_AUTO)
3275                 return 0;
3276
3277         /* SGI is stored as the MSB of the rate_index */
3278         if (rate_index & RATE_INDEX_MSB) {
3279                 rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;
3280                 sgi = 1;
3281         }
3282
3283         if (WARN_ON(rate_index > RATE_MCS_7_40))
3284                 rate_index = RATE_MCS_7_40;
3285
3286         return wmi_rate_tbl[(u32) rate_index][sgi];
3287 }
3288
3289 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3290                                               u32 len)
3291 {
3292         struct wmi_pmkid_list_reply *reply;
3293         u32 expected_len;
3294
3295         if (len < sizeof(struct wmi_pmkid_list_reply))
3296                 return -EINVAL;
3297
3298         reply = (struct wmi_pmkid_list_reply *)datap;
3299         expected_len = sizeof(reply->num_pmkid) +
3300                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3301
3302         if (len < expected_len)
3303                 return -EINVAL;
3304
3305         return 0;
3306 }
3307
3308 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3309                                          struct ath6kl_vif *vif)
3310 {
3311         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3312
3313         aggr_recv_addba_req_evt(vif, cmd->tid,
3314                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
3315
3316         return 0;
3317 }
3318
3319 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3320                                          struct ath6kl_vif *vif)
3321 {
3322         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3323
3324         aggr_recv_delba_req_evt(vif, cmd->tid);
3325
3326         return 0;
3327 }
3328
3329 /*  AP mode functions */
3330
3331 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3332                                  struct wmi_connect_cmd *p)
3333 {
3334         struct sk_buff *skb;
3335         struct wmi_connect_cmd *cm;
3336         int res;
3337
3338         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3339         if (!skb)
3340                 return -ENOMEM;
3341
3342         cm = (struct wmi_connect_cmd *) skb->data;
3343         memcpy(cm, p, sizeof(*cm));
3344
3345         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3346                                   NO_SYNC_WMIFLAG);
3347         ath6kl_dbg(ATH6KL_DBG_WMI,
3348                    "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3349                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3350                    le32_to_cpu(p->ctrl_flags), res);
3351         return res;
3352 }
3353
3354 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3355                            u16 reason)
3356 {
3357         struct sk_buff *skb;
3358         struct wmi_ap_set_mlme_cmd *cm;
3359
3360         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3361         if (!skb)
3362                 return -ENOMEM;
3363
3364         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3365         memcpy(cm->mac, mac, ETH_ALEN);
3366         cm->reason = cpu_to_le16(reason);
3367         cm->cmd = cmd;
3368
3369         ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3370                    cm->reason);
3371
3372         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3373                                    NO_SYNC_WMIFLAG);
3374 }
3375
3376 int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3377 {
3378         struct sk_buff *skb;
3379         struct wmi_ap_hidden_ssid_cmd *cmd;
3380
3381         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3382         if (!skb)
3383                 return -ENOMEM;
3384
3385         cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3386         cmd->hidden_ssid = enable ? 1 : 0;
3387
3388         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3389                                    NO_SYNC_WMIFLAG);
3390 }
3391
3392 /* This command will be used to enable/disable AP uAPSD feature */
3393 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3394 {
3395         struct wmi_ap_set_apsd_cmd *cmd;
3396         struct sk_buff *skb;
3397
3398         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3399         if (!skb)
3400                 return -ENOMEM;
3401
3402         cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3403         cmd->enable = enable;
3404
3405         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3406                                    NO_SYNC_WMIFLAG);
3407 }
3408
3409 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3410                                              u16 aid, u16 bitmap, u32 flags)
3411 {
3412         struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3413         struct sk_buff *skb;
3414
3415         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3416         if (!skb)
3417                 return -ENOMEM;
3418
3419         cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3420         cmd->aid = cpu_to_le16(aid);
3421         cmd->bitmap = cpu_to_le16(bitmap);
3422         cmd->flags = cpu_to_le32(flags);
3423
3424         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3425                                    WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3426                                    NO_SYNC_WMIFLAG);
3427 }
3428
3429 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3430                                       struct ath6kl_vif *vif)
3431 {
3432         struct wmi_pspoll_event *ev;
3433
3434         if (len < sizeof(struct wmi_pspoll_event))
3435                 return -EINVAL;
3436
3437         ev = (struct wmi_pspoll_event *) datap;
3438
3439         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3440
3441         return 0;
3442 }
3443
3444 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3445                                           struct ath6kl_vif *vif)
3446 {
3447         ath6kl_dtimexpiry_event(vif);
3448
3449         return 0;
3450 }
3451
3452 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3453                            bool flag)
3454 {
3455         struct sk_buff *skb;
3456         struct wmi_ap_set_pvb_cmd *cmd;
3457         int ret;
3458
3459         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3460         if (!skb)
3461                 return -ENOMEM;
3462
3463         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3464         cmd->aid = cpu_to_le16(aid);
3465         cmd->rsvd = cpu_to_le16(0);
3466         cmd->flag = cpu_to_le32(flag);
3467
3468         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3469                                   NO_SYNC_WMIFLAG);
3470
3471         return 0;
3472 }
3473
3474 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3475                                        u8 rx_meta_ver,
3476                                        bool rx_dot11_hdr, bool defrag_on_host)
3477 {
3478         struct sk_buff *skb;
3479         struct wmi_rx_frame_format_cmd *cmd;
3480         int ret;
3481
3482         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3483         if (!skb)
3484                 return -ENOMEM;
3485
3486         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3487         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3488         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3489         cmd->meta_ver = rx_meta_ver;
3490
3491         /* Delete the local aggr state, on host */
3492         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3493                                   NO_SYNC_WMIFLAG);
3494
3495         return ret;
3496 }
3497
3498 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3499                              const u8 *ie, u8 ie_len)
3500 {
3501         struct sk_buff *skb;
3502         struct wmi_set_appie_cmd *p;
3503
3504         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3505         if (!skb)
3506                 return -ENOMEM;
3507
3508         ath6kl_dbg(ATH6KL_DBG_WMI,
3509                    "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3510                    mgmt_frm_type, ie_len);
3511         p = (struct wmi_set_appie_cmd *) skb->data;
3512         p->mgmt_frm_type = mgmt_frm_type;
3513         p->ie_len = ie_len;
3514
3515         if (ie != NULL && ie_len > 0)
3516                 memcpy(p->ie_info, ie, ie_len);
3517
3518         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3519                                    NO_SYNC_WMIFLAG);
3520 }
3521
3522 int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3523                           const u8 *ie_info, u8 ie_len)
3524 {
3525         struct sk_buff *skb;
3526         struct wmi_set_ie_cmd *p;
3527
3528         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3529         if (!skb)
3530                 return -ENOMEM;
3531
3532         ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3533                    ie_id, ie_field, ie_len);
3534         p = (struct wmi_set_ie_cmd *) skb->data;
3535         p->ie_id = ie_id;
3536         p->ie_field = ie_field;
3537         p->ie_len = ie_len;
3538         if (ie_info && ie_len > 0)
3539                 memcpy(p->ie_info, ie_info, ie_len);
3540
3541         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,
3542                                    NO_SYNC_WMIFLAG);
3543 }
3544
3545 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3546 {
3547         struct sk_buff *skb;
3548         struct wmi_disable_11b_rates_cmd *cmd;
3549
3550         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3551         if (!skb)
3552                 return -ENOMEM;
3553
3554         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3555                    disable);
3556         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3557         cmd->disable = disable ? 1 : 0;
3558
3559         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3560                                    NO_SYNC_WMIFLAG);
3561 }
3562
3563 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3564 {
3565         struct sk_buff *skb;
3566         struct wmi_remain_on_chnl_cmd *p;
3567
3568         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3569         if (!skb)
3570                 return -ENOMEM;
3571
3572         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3573                    freq, dur);
3574         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3575         p->freq = cpu_to_le32(freq);
3576         p->duration = cpu_to_le32(dur);
3577         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3578                                    NO_SYNC_WMIFLAG);
3579 }
3580
3581 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3582  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3583  * mgmt operations using station interface.
3584  */
3585 static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3586                                       u32 freq, u32 wait, const u8 *data,
3587                                       u16 data_len)
3588 {
3589         struct sk_buff *skb;
3590         struct wmi_send_action_cmd *p;
3591         u8 *buf;
3592
3593         if (wait)
3594                 return -EINVAL; /* Offload for wait not supported */
3595
3596         buf = kmalloc(data_len, GFP_KERNEL);
3597         if (!buf)
3598                 return -ENOMEM;
3599
3600         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3601         if (!skb) {
3602                 kfree(buf);
3603                 return -ENOMEM;
3604         }
3605
3606         kfree(wmi->last_mgmt_tx_frame);
3607         memcpy(buf, data, data_len);
3608         wmi->last_mgmt_tx_frame = buf;
3609         wmi->last_mgmt_tx_frame_len = data_len;
3610
3611         ath6kl_dbg(ATH6KL_DBG_WMI,
3612                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3613                    id, freq, wait, data_len);
3614         p = (struct wmi_send_action_cmd *) skb->data;
3615         p->id = cpu_to_le32(id);
3616         p->freq = cpu_to_le32(freq);
3617         p->wait = cpu_to_le32(wait);
3618         p->len = cpu_to_le16(data_len);
3619         memcpy(p->data, data, data_len);
3620         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3621                                    NO_SYNC_WMIFLAG);
3622 }
3623
3624 static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3625                                       u32 freq, u32 wait, const u8 *data,
3626                                       u16 data_len, u32 no_cck)
3627 {
3628         struct sk_buff *skb;
3629         struct wmi_send_mgmt_cmd *p;
3630         u8 *buf;
3631
3632         if (wait)
3633                 return -EINVAL; /* Offload for wait not supported */
3634
3635         buf = kmalloc(data_len, GFP_KERNEL);
3636         if (!buf)
3637                 return -ENOMEM;
3638
3639         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3640         if (!skb) {
3641                 kfree(buf);
3642                 return -ENOMEM;
3643         }
3644
3645         kfree(wmi->last_mgmt_tx_frame);
3646         memcpy(buf, data, data_len);
3647         wmi->last_mgmt_tx_frame = buf;
3648         wmi->last_mgmt_tx_frame_len = data_len;
3649
3650         ath6kl_dbg(ATH6KL_DBG_WMI,
3651                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3652                    id, freq, wait, data_len);
3653         p = (struct wmi_send_mgmt_cmd *) skb->data;
3654         p->id = cpu_to_le32(id);
3655         p->freq = cpu_to_le32(freq);
3656         p->wait = cpu_to_le32(wait);
3657         p->no_cck = cpu_to_le32(no_cck);
3658         p->len = cpu_to_le16(data_len);
3659         memcpy(p->data, data, data_len);
3660         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3661                                    NO_SYNC_WMIFLAG);
3662 }
3663
3664 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3665                                 u32 wait, const u8 *data, u16 data_len,
3666                                 u32 no_cck)
3667 {
3668         int status;
3669         struct ath6kl *ar = wmi->parent_dev;
3670
3671         if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3672                      ar->fw_capabilities)) {
3673                 /*
3674                  * If capable of doing P2P mgmt operations using
3675                  * station interface, send additional information like
3676                  * supported rates to advertise and xmit rates for
3677                  * probe requests
3678                  */
3679                 status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3680                                                     wait, data, data_len,
3681                                                     no_cck);
3682         } else {
3683                 status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3684                                                     wait, data, data_len);
3685         }
3686
3687         return status;
3688 }
3689
3690 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3691                                        const u8 *dst, const u8 *data,
3692                                        u16 data_len)
3693 {
3694         struct sk_buff *skb;
3695         struct wmi_p2p_probe_response_cmd *p;
3696         size_t cmd_len = sizeof(*p) + data_len;
3697
3698         if (data_len == 0)
3699                 cmd_len++; /* work around target minimum length requirement */
3700
3701         skb = ath6kl_wmi_get_new_buf(cmd_len);
3702         if (!skb)
3703                 return -ENOMEM;
3704
3705         ath6kl_dbg(ATH6KL_DBG_WMI,
3706                    "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3707                    freq, dst, data_len);
3708         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3709         p->freq = cpu_to_le32(freq);
3710         memcpy(p->destination_addr, dst, ETH_ALEN);
3711         p->len = cpu_to_le16(data_len);
3712         memcpy(p->data, data, data_len);
3713         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3714                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3715                                    NO_SYNC_WMIFLAG);
3716 }
3717
3718 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3719 {
3720         struct sk_buff *skb;
3721         struct wmi_probe_req_report_cmd *p;
3722
3723         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3724         if (!skb)
3725                 return -ENOMEM;
3726
3727         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3728                    enable);
3729         p = (struct wmi_probe_req_report_cmd *) skb->data;
3730         p->enable = enable ? 1 : 0;
3731         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3732                                    NO_SYNC_WMIFLAG);
3733 }
3734
3735 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3736 {
3737         struct sk_buff *skb;
3738         struct wmi_get_p2p_info *p;
3739
3740         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3741         if (!skb)
3742                 return -ENOMEM;
3743
3744         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3745                    info_req_flags);
3746         p = (struct wmi_get_p2p_info *) skb->data;
3747         p->info_req_flags = cpu_to_le32(info_req_flags);
3748         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3749                                    NO_SYNC_WMIFLAG);
3750 }
3751
3752 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3753 {
3754         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3755         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3756                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3757 }
3758
3759 int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3760 {
3761         struct sk_buff *skb;
3762         struct wmi_set_inact_period_cmd *cmd;
3763
3764         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3765         if (!skb)
3766                 return -ENOMEM;
3767
3768         cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3769         cmd->inact_period = cpu_to_le32(inact_timeout);
3770         cmd->num_null_func = 0;
3771
3772         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,
3773                                    NO_SYNC_WMIFLAG);
3774 }
3775
3776 static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,
3777                                                int len)
3778 {
3779         struct wmix_hb_challenge_resp_cmd *cmd;
3780
3781         if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
3782                 return;
3783
3784         cmd = (struct wmix_hb_challenge_resp_cmd *) datap;
3785         ath6kl_recovery_hb_event(wmi->parent_dev,
3786                                  le32_to_cpu(cmd->cookie));
3787 }
3788
3789 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3790 {
3791         struct wmix_cmd_hdr *cmd;
3792         u32 len;
3793         u16 id;
3794         u8 *datap;
3795         int ret = 0;
3796
3797         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3798                 ath6kl_err("bad packet 1\n");
3799                 return -EINVAL;
3800         }
3801
3802         cmd = (struct wmix_cmd_hdr *) skb->data;
3803         id = le32_to_cpu(cmd->cmd_id);
3804
3805         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3806
3807         datap = skb->data;
3808         len = skb->len;
3809
3810         switch (id) {
3811         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3812                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3813                 ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);
3814                 break;
3815         case WMIX_DBGLOG_EVENTID:
3816                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3817                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3818                 break;
3819         default:
3820                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3821                 ret = -EINVAL;
3822                 break;
3823         }
3824
3825         return ret;
3826 }
3827
3828 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3829 {
3830         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3831 }
3832
3833 /* Process interface specific wmi events, caller would free the datap */
3834 static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3835                                         u8 *datap, u32 len)
3836 {
3837         struct ath6kl_vif *vif;
3838
3839         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3840         if (!vif) {
3841                 ath6kl_dbg(ATH6KL_DBG_WMI,
3842                            "Wmi event for unavailable vif, vif_index:%d\n",
3843                             if_idx);
3844                 return -EINVAL;
3845         }
3846
3847         switch (cmd_id) {
3848         case WMI_CONNECT_EVENTID:
3849                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3850                 return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3851         case WMI_DISCONNECT_EVENTID:
3852                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3853                 return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3854         case WMI_TKIP_MICERR_EVENTID:
3855                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3856                 return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3857         case WMI_BSSINFO_EVENTID:
3858                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3859                 return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3860         case WMI_NEIGHBOR_REPORT_EVENTID:
3861                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3862                 return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3863                                                            vif);
3864         case WMI_SCAN_COMPLETE_EVENTID:
3865                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3866                 return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3867         case WMI_REPORT_STATISTICS_EVENTID:
3868                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3869                 return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3870         case WMI_CAC_EVENTID:
3871                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3872                 return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3873         case WMI_PSPOLL_EVENTID:
3874                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3875                 return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3876         case WMI_DTIMEXPIRY_EVENTID:
3877                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3878                 return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3879         case WMI_ADDBA_REQ_EVENTID:
3880                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3881                 return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3882         case WMI_DELBA_REQ_EVENTID:
3883                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3884                 return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3885         case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3886                 ath6kl_dbg(ATH6KL_DBG_WMI,
3887                            "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3888                 return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3889         case WMI_REMAIN_ON_CHNL_EVENTID:
3890                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3891                 return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3892         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3893                 ath6kl_dbg(ATH6KL_DBG_WMI,
3894                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3895                 return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3896                                                                  len, vif);
3897         case WMI_TX_STATUS_EVENTID:
3898                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3899                 return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3900         case WMI_RX_PROBE_REQ_EVENTID:
3901                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3902                 return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3903         case WMI_RX_ACTION_EVENTID:
3904                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3905                 return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3906         case WMI_TXE_NOTIFY_EVENTID:
3907                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");
3908                 return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
3909         default:
3910                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3911                 return -EINVAL;
3912         }
3913
3914         return 0;
3915 }
3916
3917 static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3918 {
3919         struct wmi_cmd_hdr *cmd;
3920         int ret = 0;
3921         u32 len;
3922         u16 id;
3923         u8 if_idx;
3924         u8 *datap;
3925
3926         cmd = (struct wmi_cmd_hdr *) skb->data;
3927         id = le16_to_cpu(cmd->cmd_id);
3928         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3929
3930         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3931         datap = skb->data;
3932         len = skb->len;
3933
3934         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3935         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3936                         datap, len);
3937
3938         switch (id) {
3939         case WMI_GET_BITRATE_CMDID:
3940                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3941                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3942                 break;
3943         case WMI_GET_CHANNEL_LIST_CMDID:
3944                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3945                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3946                 break;
3947         case WMI_GET_TX_PWR_CMDID:
3948                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3949                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3950                 break;
3951         case WMI_READY_EVENTID:
3952                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3953                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3954                 break;
3955         case WMI_PEER_NODE_EVENTID:
3956                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3957                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
3958                 break;
3959         case WMI_REGDOMAIN_EVENTID:
3960                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
3961                 ath6kl_wmi_regdomain_event(wmi, datap, len);
3962                 break;
3963         case WMI_PSTREAM_TIMEOUT_EVENTID:
3964                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
3965                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
3966                 break;
3967         case WMI_CMDERROR_EVENTID:
3968                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
3969                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
3970                 break;
3971         case WMI_RSSI_THRESHOLD_EVENTID:
3972                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
3973                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
3974                 break;
3975         case WMI_ERROR_REPORT_EVENTID:
3976                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
3977                 break;
3978         case WMI_OPT_RX_FRAME_EVENTID:
3979                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
3980                 /* this event has been deprecated */
3981                 break;
3982         case WMI_REPORT_ROAM_TBL_EVENTID:
3983                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
3984                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
3985                 break;
3986         case WMI_EXTENSION_EVENTID:
3987                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
3988                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
3989                 break;
3990         case WMI_CHANNEL_CHANGE_EVENTID:
3991                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
3992                 break;
3993         case WMI_REPORT_ROAM_DATA_EVENTID:
3994                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
3995                 break;
3996         case WMI_TEST_EVENTID:
3997                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
3998                 ret = ath6kl_wmi_test_rx(wmi, datap, len);
3999                 break;
4000         case WMI_GET_FIXRATES_CMDID:
4001                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
4002                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
4003                 break;
4004         case WMI_TX_RETRY_ERR_EVENTID:
4005                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
4006                 break;
4007         case WMI_SNR_THRESHOLD_EVENTID:
4008                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
4009                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
4010                 break;
4011         case WMI_LQ_THRESHOLD_EVENTID:
4012                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
4013                 break;
4014         case WMI_APLIST_EVENTID:
4015                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
4016                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
4017                 break;
4018         case WMI_GET_KEEPALIVE_CMDID:
4019                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
4020                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
4021                 break;
4022         case WMI_GET_WOW_LIST_EVENTID:
4023                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
4024                 break;
4025         case WMI_GET_PMKID_LIST_EVENTID:
4026                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
4027                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
4028                 break;
4029         case WMI_SET_PARAMS_REPLY_EVENTID:
4030                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
4031                 break;
4032         case WMI_ADDBA_RESP_EVENTID:
4033                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
4034                 break;
4035         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
4036                 ath6kl_dbg(ATH6KL_DBG_WMI,
4037                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
4038                 break;
4039         case WMI_REPORT_BTCOEX_STATS_EVENTID:
4040                 ath6kl_dbg(ATH6KL_DBG_WMI,
4041                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
4042                 break;
4043         case WMI_TX_COMPLETE_EVENTID:
4044                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
4045                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
4046                 break;
4047         case WMI_P2P_CAPABILITIES_EVENTID:
4048                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
4049                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
4050                 break;
4051         case WMI_P2P_INFO_EVENTID:
4052                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
4053                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
4054                 break;
4055         default:
4056                 /* may be the event is interface specific */
4057                 ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
4058                 break;
4059         }
4060
4061         dev_kfree_skb(skb);
4062         return ret;
4063 }
4064
4065 /* Control Path */
4066 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
4067 {
4068         if (WARN_ON(skb == NULL))
4069                 return -EINVAL;
4070
4071         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
4072                 ath6kl_err("bad packet 1\n");
4073                 dev_kfree_skb(skb);
4074                 return -EINVAL;
4075         }
4076
4077         return ath6kl_wmi_proc_events(wmi, skb);
4078 }
4079
4080 void ath6kl_wmi_reset(struct wmi *wmi)
4081 {
4082         spin_lock_bh(&wmi->lock);
4083
4084         wmi->fat_pipe_exist = 0;
4085         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
4086
4087         spin_unlock_bh(&wmi->lock);
4088 }
4089
4090 void *ath6kl_wmi_init(struct ath6kl *dev)
4091 {
4092         struct wmi *wmi;
4093
4094         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
4095         if (!wmi)
4096                 return NULL;
4097
4098         spin_lock_init(&wmi->lock);
4099
4100         wmi->parent_dev = dev;
4101
4102         wmi->pwr_mode = REC_POWER;
4103
4104         ath6kl_wmi_reset(wmi);
4105
4106         return wmi;
4107 }
4108
4109 void ath6kl_wmi_shutdown(struct wmi *wmi)
4110 {
4111         if (!wmi)
4112                 return;
4113
4114         kfree(wmi->last_mgmt_tx_frame);
4115         kfree(wmi);
4116 }