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

   1 /*
   2  * Copyright (c) 2004-2011 Atheros Communications Inc.
   3  * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #include <linux/ip.h>
  19 #include <linux/in.h>
  20 #include "core.h"
  21 #include "debug.h"
  22 #include "testmode.h"
  23 #include "trace.h"
  24 #include "../regd.h"
  25 #include "../regd_common.h"
  26
  27 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
  28
  29 static const s32 wmi_rate_tbl[][2] = {
  30         /* {W/O SGI, with SGI} */
  31         {1000, 1000},
  32         {2000, 2000},
  33         {5500, 5500},
  34         {11000, 11000},
  35         {6000, 6000},
  36         {9000, 9000},
  37         {12000, 12000},
  38         {18000, 18000},
  39         {24000, 24000},
  40         {36000, 36000},
  41         {48000, 48000},
  42         {54000, 54000},
  43         {6500, 7200},
  44         {13000, 14400},
  45         {19500, 21700},
  46         {26000, 28900},
  47         {39000, 43300},
  48         {52000, 57800},
  49         {58500, 65000},
  50         {65000, 72200},
  51         {13500, 15000},
  52         {27000, 30000},
  53         {40500, 45000},
  54         {54000, 60000},
  55         {81000, 90000},
  56         {108000, 120000},
  57         {121500, 135000},
  58         {135000, 150000},
  59         {0, 0}
  60 };
  61
  62 /* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
  63 static const u8 up_to_ac[] = {
  64         WMM_AC_BE,
  65         WMM_AC_BK,
  66         WMM_AC_BK,
  67         WMM_AC_BE,
  68         WMM_AC_VI,
  69         WMM_AC_VI,
  70         WMM_AC_VO,
  71         WMM_AC_VO,
  72 };
  73
  74 void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
  75 {
  76         if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
  77                 return;
  78
  79         wmi->ep_id = ep_id;
  80 }
  81
  82 enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
  83 {
  84         return wmi->ep_id;
  85 }
  86
  87 struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
  88 {
  89         struct ath6kl_vif *vif, *found = NULL;
  90
  91         if (WARN_ON(if_idx > (ar->vif_max - 1)))
  92                 return NULL;
  93
  94         /* FIXME: Locking */
  95         spin_lock_bh(&ar->list_lock);
  96         list_for_each_entry(vif, &ar->vif_list, list) {
  97                 if (vif->fw_vif_idx == if_idx) {
  98                         found = vif;
  99                         break;
 100                 }
 101         }
 102         spin_unlock_bh(&ar->list_lock);
 103
 104         return found;
 105 }
 106
 107 /*  Performs DIX to 802.3 encapsulation for transmit packets.
 108  *  Assumes the entire DIX header is contigous and that there is
 109  *  enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
 110  */
 111 int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
 112 {
 113         struct ath6kl_llc_snap_hdr *llc_hdr;
 114         struct ethhdr *eth_hdr;
 115         size_t new_len;
 116         __be16 type;
 117         u8 *datap;
 118         u16 size;
 119
 120         if (WARN_ON(skb == NULL))
 121                 return -EINVAL;
 122
 123         size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
 124         if (skb_headroom(skb) < size)
 125                 return -ENOMEM;
 126
 127         eth_hdr = (struct ethhdr *) skb->data;
 128         type = eth_hdr->h_proto;
 129
 130         if (!is_ethertype(be16_to_cpu(type))) {
 131                 ath6kl_dbg(ATH6KL_DBG_WMI,
 132                            "%s: pkt is already in 802.3 format\n", __func__);
 133                 return 0;
 134         }
 135
 136         new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
 137
 138         skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
 139         datap = skb->data;
 140
 141         eth_hdr->h_proto = cpu_to_be16(new_len);
 142
 143         memcpy(datap, eth_hdr, sizeof(*eth_hdr));
 144
 145         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
 146         llc_hdr->dsap = 0xAA;
 147         llc_hdr->ssap = 0xAA;
 148         llc_hdr->cntl = 0x03;
 149         llc_hdr->org_code[0] = 0x0;
 150         llc_hdr->org_code[1] = 0x0;
 151         llc_hdr->org_code[2] = 0x0;
 152         llc_hdr->eth_type = type;
 153
 154         return 0;
 155 }
 156
 157 static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
 158                                u8 *version, void *tx_meta_info)
 159 {
 160         struct wmi_tx_meta_v1 *v1;
 161         struct wmi_tx_meta_v2 *v2;
 162
 163         if (WARN_ON(skb == NULL || version == NULL))
 164                 return -EINVAL;
 165
 166         switch (*version) {
 167         case WMI_META_VERSION_1:
 168                 skb_push(skb, WMI_MAX_TX_META_SZ);
 169                 v1 = (struct wmi_tx_meta_v1 *) skb->data;
 170                 v1->pkt_id = 0;
 171                 v1->rate_plcy_id = 0;
 172                 *version = WMI_META_VERSION_1;
 173                 break;
 174         case WMI_META_VERSION_2:
 175                 skb_push(skb, WMI_MAX_TX_META_SZ);
 176                 v2 = (struct wmi_tx_meta_v2 *) skb->data;
 177                 memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
 178                        sizeof(struct wmi_tx_meta_v2));
 179                 break;
 180         }
 181
 182         return 0;
 183 }
 184
 185 int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
 186                             u8 msg_type, u32 flags,
 187                             enum wmi_data_hdr_data_type data_type,
 188                             u8 meta_ver, void *tx_meta_info, u8 if_idx)
 189 {
 190         struct wmi_data_hdr *data_hdr;
 191         int ret;
 192
 193         if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))
 194                 return -EINVAL;
 195
 196         if (tx_meta_info) {
 197                 ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
 198                 if (ret)
 199                         return ret;
 200         }
 201
 202         skb_push(skb, sizeof(struct wmi_data_hdr));
 203
 204         data_hdr = (struct wmi_data_hdr *)skb->data;
 205         memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
 206
 207         data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
 208         data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
 209
 210         if (flags & WMI_DATA_HDR_FLAGS_MORE)
 211                 data_hdr->info |= WMI_DATA_HDR_MORE;
 212
 213         if (flags & WMI_DATA_HDR_FLAGS_EOSP)
 214                 data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);
 215
 216         data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
 217         data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
 218
 219         return 0;
 220 }
 221
 222 u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
 223 {
 224         struct iphdr *ip_hdr = (struct iphdr *) pkt;
 225         u8 ip_pri;
 226
 227         /*
 228          * Determine IPTOS priority
 229          *
 230          * IP-TOS - 8bits
 231          *          : DSCP(6-bits) ECN(2-bits)
 232          *          : DSCP - P2 P1 P0 X X X
 233          * where (P2 P1 P0) form 802.1D
 234          */
 235         ip_pri = ip_hdr->tos >> 5;
 236         ip_pri &= 0x7;
 237
 238         if ((layer2_pri & 0x7) > ip_pri)
 239                 return (u8) layer2_pri & 0x7;
 240         else
 241                 return ip_pri;
 242 }
 243
 244 u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
 245 {
 246         return  up_to_ac[user_priority & 0x7];
 247 }
 248
 249 int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
 250                                        struct sk_buff *skb,
 251                                        u32 layer2_priority, bool wmm_enabled,
 252                                        u8 *ac)
 253 {
 254         struct wmi_data_hdr *data_hdr;
 255         struct ath6kl_llc_snap_hdr *llc_hdr;
 256         struct wmi_create_pstream_cmd cmd;
 257         u32 meta_size, hdr_size;
 258         u16 ip_type = IP_ETHERTYPE;
 259         u8 stream_exist, usr_pri;
 260         u8 traffic_class = WMM_AC_BE;
 261         u8 *datap;
 262
 263         if (WARN_ON(skb == NULL))
 264                 return -EINVAL;
 265
 266         datap = skb->data;
 267         data_hdr = (struct wmi_data_hdr *) datap;
 268
 269         meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
 270                      WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
 271
 272         if (!wmm_enabled) {
 273                 /* If WMM is disabled all traffic goes as BE traffic */
 274                 usr_pri = 0;
 275         } else {
 276                 hdr_size = sizeof(struct ethhdr);
 277
 278                 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
 279                                                          sizeof(struct
 280                                                                 wmi_data_hdr) +
 281                                                          meta_size + hdr_size);
 282
 283                 if (llc_hdr->eth_type == htons(ip_type)) {
 284                         /*
 285                          * Extract the endpoint info from the TOS field
 286                          * in the IP header.
 287                          */
 288                         usr_pri =
 289                            ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
 290                                         sizeof(struct ath6kl_llc_snap_hdr),
 291                                         layer2_priority);
 292                 } else
 293                         usr_pri = layer2_priority & 0x7;
 294
 295                 /*
 296                  * Queue the EAPOL frames in the same WMM_AC_VO queue
 297                  * as that of management frames.
 298                  */
 299                 if (skb->protocol == cpu_to_be16(ETH_P_PAE))
 300                         usr_pri = WMI_VOICE_USER_PRIORITY;
 301         }
 302
 303         /*
 304          * workaround for WMM S5
 305          *
 306          * FIXME: wmi->traffic_class is always 100 so this test doesn't
 307          * make sense
 308          */
 309         if ((wmi->traffic_class == WMM_AC_VI) &&
 310             ((usr_pri == 5) || (usr_pri == 4)))
 311                 usr_pri = 1;
 312
 313         /* Convert user priority to traffic class */
 314         traffic_class = up_to_ac[usr_pri & 0x7];
 315
 316         wmi_data_hdr_set_up(data_hdr, usr_pri);
 317
 318         spin_lock_bh(&wmi->lock);
 319         stream_exist = wmi->fat_pipe_exist;
 320         spin_unlock_bh(&wmi->lock);
 321
 322         if (!(stream_exist & (1 << traffic_class))) {
 323                 memset(&cmd, 0, sizeof(cmd));
 324                 cmd.traffic_class = traffic_class;
 325                 cmd.user_pri = usr_pri;
 326                 cmd.inactivity_int =
 327                         cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
 328                 /* Implicit streams are created with TSID 0xFF */
 329                 cmd.tsid = WMI_IMPLICIT_PSTREAM;
 330                 ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
 331         }
 332
 333         *ac = traffic_class;
 334
 335         return 0;
 336 }
 337
 338 int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
 339 {
 340         struct ieee80211_hdr_3addr *pwh, wh;
 341         struct ath6kl_llc_snap_hdr *llc_hdr;
 342         struct ethhdr eth_hdr;
 343         u32 hdr_size;
 344         u8 *datap;
 345         __le16 sub_type;
 346
 347         if (WARN_ON(skb == NULL))
 348                 return -EINVAL;
 349
 350         datap = skb->data;
 351         pwh = (struct ieee80211_hdr_3addr *) datap;
 352
 353         sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
 354
 355         memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
 356
 357         /* Strip off the 802.11 header */
 358         if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
 359                 hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
 360                                    sizeof(u32));
 361                 skb_pull(skb, hdr_size);
 362         } else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA))
 363                 skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
 364
 365         datap = skb->data;
 366         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
 367
 368         memset(&eth_hdr, 0, sizeof(eth_hdr));
 369         eth_hdr.h_proto = llc_hdr->eth_type;
 370
 371         switch ((le16_to_cpu(wh.frame_control)) &
 372                 (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
 373         case 0:
 374                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 375                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 376                 break;
 377         case IEEE80211_FCTL_TODS:
 378                 memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
 379                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 380                 break;
 381         case IEEE80211_FCTL_FROMDS:
 382                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 383                 memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
 384                 break;
 385         case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
 386                 break;
 387         }
 388
 389         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 390         skb_push(skb, sizeof(eth_hdr));
 391
 392         datap = skb->data;
 393
 394         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 395
 396         return 0;
 397 }
 398
 399 /*
 400  * Performs 802.3 to DIX encapsulation for received packets.
 401  * Assumes the entire 802.3 header is contigous.
 402  */
 403 int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
 404 {
 405         struct ath6kl_llc_snap_hdr *llc_hdr;
 406         struct ethhdr eth_hdr;
 407         u8 *datap;
 408
 409         if (WARN_ON(skb == NULL))
 410                 return -EINVAL;
 411
 412         datap = skb->data;
 413
 414         memcpy(&eth_hdr, datap, sizeof(eth_hdr));
 415
 416         llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
 417         eth_hdr.h_proto = llc_hdr->eth_type;
 418
 419         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 420         datap = skb->data;
 421
 422         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 423
 424         return 0;
 425 }
 426
 427 static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
 428 {
 429         struct tx_complete_msg_v1 *msg_v1;
 430         struct wmi_tx_complete_event *evt;
 431         int index;
 432         u16 size;
 433
 434         evt = (struct wmi_tx_complete_event *) datap;
 435
 436         ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
 437                    evt->num_msg, evt->msg_len, evt->msg_type);
 438
 439         for (index = 0; index < evt->num_msg; index++) {
 440                 size = sizeof(struct wmi_tx_complete_event) +
 441                     (index * sizeof(struct tx_complete_msg_v1));
 442                 msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
 443
 444                 ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
 445                            msg_v1->status, msg_v1->pkt_id,
 446                            msg_v1->rate_idx, msg_v1->ack_failures);
 447         }
 448
 449         return 0;
 450 }
 451
 452 static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
 453                                               int len, struct ath6kl_vif *vif)
 454 {
 455         struct wmi_remain_on_chnl_event *ev;
 456         u32 freq;
 457         u32 dur;
 458         struct ieee80211_channel *chan;
 459         struct ath6kl *ar = wmi->parent_dev;
 460         u32 id;
 461
 462         if (len < sizeof(*ev))
 463                 return -EINVAL;
 464
 465         ev = (struct wmi_remain_on_chnl_event *) datap;
 466         freq = le32_to_cpu(ev->freq);
 467         dur = le32_to_cpu(ev->duration);
 468         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
 469                    freq, dur);
 470         chan = ieee80211_get_channel(ar->wiphy, freq);
 471         if (!chan) {
 472                 ath6kl_dbg(ATH6KL_DBG_WMI,
 473                            "remain_on_chnl: Unknown channel (freq=%u)\n",
 474                            freq);
 475                 return -EINVAL;
 476         }
 477         id = vif->last_roc_id;
 478         cfg80211_ready_on_channel(&vif->wdev, id, chan,
 479                                   dur, GFP_ATOMIC);
 480
 481         return 0;
 482 }
 483
 484 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
 485                                                      u8 *datap, int len,
 486                                                      struct ath6kl_vif *vif)
 487 {
 488         struct wmi_cancel_remain_on_chnl_event *ev;
 489         u32 freq;
 490         u32 dur;
 491         struct ieee80211_channel *chan;
 492         struct ath6kl *ar = wmi->parent_dev;
 493         u32 id;
 494
 495         if (len < sizeof(*ev))
 496                 return -EINVAL;
 497
 498         ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
 499         freq = le32_to_cpu(ev->freq);
 500         dur = le32_to_cpu(ev->duration);
 501         ath6kl_dbg(ATH6KL_DBG_WMI,
 502                    "cancel_remain_on_chnl: freq=%u dur=%u status=%u\n",
 503                    freq, dur, ev->status);
 504         chan = ieee80211_get_channel(ar->wiphy, freq);
 505         if (!chan) {
 506                 ath6kl_dbg(ATH6KL_DBG_WMI,
 507                            "cancel_remain_on_chnl: Unknown channel (freq=%u)\n",
 508                            freq);
 509                 return -EINVAL;
 510         }
 511         if (vif->last_cancel_roc_id &&
 512             vif->last_cancel_roc_id + 1 == vif->last_roc_id)
 513                 id = vif->last_cancel_roc_id; /* event for cancel command */
 514         else
 515                 id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
 516         vif->last_cancel_roc_id = 0;
 517         cfg80211_remain_on_channel_expired(&vif->wdev, id, chan, GFP_ATOMIC);
 518
 519         return 0;
 520 }
 521
 522 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
 523                                          struct ath6kl_vif *vif)
 524 {
 525         struct wmi_tx_status_event *ev;
 526         u32 id;
 527
 528         if (len < sizeof(*ev))
 529                 return -EINVAL;
 530
 531         ev = (struct wmi_tx_status_event *) datap;
 532         id = le32_to_cpu(ev->id);
 533         ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
 534                    id, ev->ack_status);
 535         if (wmi->last_mgmt_tx_frame) {
 536                 cfg80211_mgmt_tx_status(&vif->wdev, id,
 537                                         wmi->last_mgmt_tx_frame,
 538                                         wmi->last_mgmt_tx_frame_len,
 539                                         !!ev->ack_status, GFP_ATOMIC);
 540                 kfree(wmi->last_mgmt_tx_frame);
 541                 wmi->last_mgmt_tx_frame = NULL;
 542                 wmi->last_mgmt_tx_frame_len = 0;
 543         }
 544
 545         return 0;
 546 }
 547
 548 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
 549                                             struct ath6kl_vif *vif)
 550 {
 551         struct wmi_p2p_rx_probe_req_event *ev;
 552         u32 freq;
 553         u16 dlen;
 554
 555         if (len < sizeof(*ev))
 556                 return -EINVAL;
 557
 558         ev = (struct wmi_p2p_rx_probe_req_event *) datap;
 559         freq = le32_to_cpu(ev->freq);
 560         dlen = le16_to_cpu(ev->len);
 561         if (datap + len < ev->data + dlen) {
 562                 ath6kl_err("invalid wmi_p2p_rx_probe_req_event: len=%d dlen=%u\n",
 563                            len, dlen);
 564                 return -EINVAL;
 565         }
 566         ath6kl_dbg(ATH6KL_DBG_WMI,
 567                    "rx_probe_req: len=%u freq=%u probe_req_report=%d\n",
 568                    dlen, freq, vif->probe_req_report);
 569
 570         if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
 571                 cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0,
 572                                  GFP_ATOMIC);
 573
 574         return 0;
 575 }
 576
 577 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
 578 {
 579         struct wmi_p2p_capabilities_event *ev;
 580         u16 dlen;
 581
 582         if (len < sizeof(*ev))
 583                 return -EINVAL;
 584
 585         ev = (struct wmi_p2p_capabilities_event *) datap;
 586         dlen = le16_to_cpu(ev->len);
 587         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
 588
 589         return 0;
 590 }
 591
 592 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 593                                          struct ath6kl_vif *vif)
 594 {
 595         struct wmi_rx_action_event *ev;
 596         u32 freq;
 597         u16 dlen;
 598
 599         if (len < sizeof(*ev))
 600                 return -EINVAL;
 601
 602         ev = (struct wmi_rx_action_event *) datap;
 603         freq = le32_to_cpu(ev->freq);
 604         dlen = le16_to_cpu(ev->len);
 605         if (datap + len < ev->data + dlen) {
 606                 ath6kl_err("invalid wmi_rx_action_event: len=%d dlen=%u\n",
 607                            len, dlen);
 608                 return -EINVAL;
 609         }
 610         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
 611         cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0, 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_beacon_intvl_cmd(struct wmi *wmi, u8 if_idx,
 755                                        u32 beacon_intvl)
 756 {
 757         struct sk_buff *skb;
 758         struct set_beacon_int_cmd *cmd;
 759
 760         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 761         if (!skb)
 762                 return -ENOMEM;
 763
 764         cmd = (struct set_beacon_int_cmd *) skb->data;
 765
 766         cmd->beacon_intvl = cpu_to_le32(beacon_intvl);
 767         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 768                                    WMI_SET_BEACON_INT_CMDID, NO_SYNC_WMIFLAG);
 769 }
 770
 771 int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period)
 772 {
 773         struct sk_buff *skb;
 774         struct set_dtim_cmd *cmd;
 775
 776         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 777         if (!skb)
 778                 return -ENOMEM;
 779
 780         cmd = (struct set_dtim_cmd *) skb->data;
 781
 782         cmd->dtim_period = cpu_to_le32(dtim_period);
 783         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 784                                    WMI_AP_SET_DTIM_CMDID, NO_SYNC_WMIFLAG);
 785 }
 786
 787 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 788 {
 789         struct sk_buff *skb;
 790         struct roam_ctrl_cmd *cmd;
 791
 792         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 793         if (!skb)
 794                 return -ENOMEM;
 795
 796         cmd = (struct roam_ctrl_cmd *) skb->data;
 797
 798         cmd->info.roam_mode = mode;
 799         cmd->roam_ctrl = WMI_SET_ROAM_MODE;
 800
 801         ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
 802         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 803                                    NO_SYNC_WMIFLAG);
 804 }
 805
 806 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
 807                                        struct ath6kl_vif *vif)
 808 {
 809         struct wmi_connect_event *ev;
 810         u8 *pie, *peie;
 811
 812         if (len < sizeof(struct wmi_connect_event))
 813                 return -EINVAL;
 814
 815         ev = (struct wmi_connect_event *) datap;
 816
 817         if (vif->nw_type == AP_NETWORK) {
 818                 /* AP mode start/STA connected event */
 819                 struct net_device *dev = vif->ndev;
 820                 if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
 821                         ath6kl_dbg(ATH6KL_DBG_WMI,
 822                                    "%s: freq %d bssid %pM (AP started)\n",
 823                                    __func__, le16_to_cpu(ev->u.ap_bss.ch),
 824                                    ev->u.ap_bss.bssid);
 825                         ath6kl_connect_ap_mode_bss(
 826                                 vif, le16_to_cpu(ev->u.ap_bss.ch));
 827                 } else {
 828                         ath6kl_dbg(ATH6KL_DBG_WMI,
 829                                    "%s: aid %u mac_addr %pM auth=%u keymgmt=%u cipher=%u apsd_info=%u (STA connected)\n",
 830                                    __func__, ev->u.ap_sta.aid,
 831                                    ev->u.ap_sta.mac_addr,
 832                                    ev->u.ap_sta.auth,
 833                                    ev->u.ap_sta.keymgmt,
 834                                    le16_to_cpu(ev->u.ap_sta.cipher),
 835                                    ev->u.ap_sta.apsd_info);
 836
 837                         ath6kl_connect_ap_mode_sta(
 838                                 vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
 839                                 ev->u.ap_sta.keymgmt,
 840                                 le16_to_cpu(ev->u.ap_sta.cipher),
 841                                 ev->u.ap_sta.auth, ev->assoc_req_len,
 842                                 ev->assoc_info + ev->beacon_ie_len,
 843                                 ev->u.ap_sta.apsd_info);
 844                 }
 845                 return 0;
 846         }
 847
 848         /* STA/IBSS mode connection event */
 849
 850         ath6kl_dbg(ATH6KL_DBG_WMI,
 851                    "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
 852                    le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
 853                    le16_to_cpu(ev->u.sta.listen_intvl),
 854                    le16_to_cpu(ev->u.sta.beacon_intvl),
 855                    le32_to_cpu(ev->u.sta.nw_type));
 856
 857         /* Start of assoc rsp IEs */
 858         pie = ev->assoc_info + ev->beacon_ie_len +
 859               ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
 860
 861         /* End of assoc rsp IEs */
 862         peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
 863             ev->assoc_resp_len;
 864
 865         while (pie < peie) {
 866                 switch (*pie) {
 867                 case WLAN_EID_VENDOR_SPECIFIC:
 868                         if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
 869                             pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
 870                                 /* WMM OUT (00:50:F2) */
 871                                 if (pie[1] > 5 &&
 872                                     pie[6] == WMM_PARAM_OUI_SUBTYPE)
 873                                         wmi->is_wmm_enabled = true;
 874                         }
 875                         break;
 876                 }
 877
 878                 if (wmi->is_wmm_enabled)
 879                         break;
 880
 881                 pie += pie[1] + 2;
 882         }
 883
 884         ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
 885                              ev->u.sta.bssid,
 886                              le16_to_cpu(ev->u.sta.listen_intvl),
 887                              le16_to_cpu(ev->u.sta.beacon_intvl),
 888                              le32_to_cpu(ev->u.sta.nw_type),
 889                              ev->beacon_ie_len, ev->assoc_req_len,
 890                              ev->assoc_resp_len, ev->assoc_info);
 891
 892         return 0;
 893 }
 894
 895 static struct country_code_to_enum_rd *
 896 ath6kl_regd_find_country(u16 countryCode)
 897 {
 898         int i;
 899
 900         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 901                 if (allCountries[i].countryCode == countryCode)
 902                         return &allCountries[i];
 903         }
 904
 905         return NULL;
 906 }
 907
 908 static struct reg_dmn_pair_mapping *
 909 ath6kl_get_regpair(u16 regdmn)
 910 {
 911         int i;
 912
 913         if (regdmn == NO_ENUMRD)
 914                 return NULL;
 915
 916         for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
 917                 if (regDomainPairs[i].reg_domain == regdmn)
 918                         return &regDomainPairs[i];
 919         }
 920
 921         return NULL;
 922 }
 923
 924 static struct country_code_to_enum_rd *
 925 ath6kl_regd_find_country_by_rd(u16 regdmn)
 926 {
 927         int i;
 928
 929         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 930                 if (allCountries[i].regDmnEnum == regdmn)
 931                         return &allCountries[i];
 932         }
 933
 934         return NULL;
 935 }
 936
 937 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 938 {
 939
 940         struct ath6kl_wmi_regdomain *ev;
 941         struct country_code_to_enum_rd *country = NULL;
 942         struct reg_dmn_pair_mapping *regpair = NULL;
 943         char alpha2[2];
 944         u32 reg_code;
 945
 946         ev = (struct ath6kl_wmi_regdomain *) datap;
 947         reg_code = le32_to_cpu(ev->reg_code);
 948
 949         if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG)
 950                 country = ath6kl_regd_find_country((u16) reg_code);
 951         else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
 952
 953                 regpair = ath6kl_get_regpair((u16) reg_code);
 954                 country = ath6kl_regd_find_country_by_rd((u16) reg_code);
 955                 if (regpair)
 956                         ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
 957                                    regpair->reg_domain);
 958                 else
 959                         ath6kl_warn("Regpair not found reg_code 0x%0x\n",
 960                                     reg_code);
 961         }
 962
 963         if (country && wmi->parent_dev->wiphy_registered) {
 964                 alpha2[0] = country->isoName[0];
 965                 alpha2[1] = country->isoName[1];
 966
 967                 regulatory_hint(wmi->parent_dev->wiphy, alpha2);
 968
 969                 ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
 970                            alpha2[0], alpha2[1]);
 971         }
 972 }
 973
 974 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
 975                                           struct ath6kl_vif *vif)
 976 {
 977         struct wmi_disconnect_event *ev;
 978         wmi->traffic_class = 100;
 979
 980         if (len < sizeof(struct wmi_disconnect_event))
 981                 return -EINVAL;
 982
 983         ev = (struct wmi_disconnect_event *) datap;
 984
 985         ath6kl_dbg(ATH6KL_DBG_WMI,
 986                    "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
 987                    le16_to_cpu(ev->proto_reason_status), ev->bssid,
 988                    ev->disconn_reason, ev->assoc_resp_len);
 989
 990         wmi->is_wmm_enabled = false;
 991
 992         ath6kl_disconnect_event(vif, ev->disconn_reason,
 993                                 ev->bssid, ev->assoc_resp_len, ev->assoc_info,
 994                                 le16_to_cpu(ev->proto_reason_status));
 995
 996         return 0;
 997 }
 998
 999 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
1000 {
1001         struct wmi_peer_node_event *ev;
1002
1003         if (len < sizeof(struct wmi_peer_node_event))
1004                 return -EINVAL;
1005
1006         ev = (struct wmi_peer_node_event *) datap;
1007
1008         if (ev->event_code == PEER_NODE_JOIN_EVENT)
1009                 ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
1010                            ev->peer_mac_addr);
1011         else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
1012                 ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
1013                            ev->peer_mac_addr);
1014
1015         return 0;
1016 }
1017
1018 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
1019                                            struct ath6kl_vif *vif)
1020 {
1021         struct wmi_tkip_micerr_event *ev;
1022
1023         if (len < sizeof(struct wmi_tkip_micerr_event))
1024                 return -EINVAL;
1025
1026         ev = (struct wmi_tkip_micerr_event *) datap;
1027
1028         ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
1029
1030         return 0;
1031 }
1032
1033 void ath6kl_wmi_sscan_timer(unsigned long ptr)
1034 {
1035         struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
1036
1037         cfg80211_sched_scan_results(vif->ar->wiphy);
1038 }
1039
1040 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
1041                                        struct ath6kl_vif *vif)
1042 {
1043         struct wmi_bss_info_hdr2 *bih;
1044         u8 *buf;
1045         struct ieee80211_channel *channel;
1046         struct ath6kl *ar = wmi->parent_dev;
1047         struct ieee80211_mgmt *mgmt;
1048         struct cfg80211_bss *bss;
1049
1050         if (len <= sizeof(struct wmi_bss_info_hdr2))
1051                 return -EINVAL;
1052
1053         bih = (struct wmi_bss_info_hdr2 *) datap;
1054         buf = datap + sizeof(struct wmi_bss_info_hdr2);
1055         len -= sizeof(struct wmi_bss_info_hdr2);
1056
1057         ath6kl_dbg(ATH6KL_DBG_WMI,
1058                    "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1059                    "frame_type=%d\n",
1060                    bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1061                    bih->frame_type);
1062
1063         if (bih->frame_type != BEACON_FTYPE &&
1064             bih->frame_type != PROBERESP_FTYPE)
1065                 return 0; /* Only update BSS table for now */
1066
1067         if (bih->frame_type == BEACON_FTYPE &&
1068             test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1069                 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1070                 ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1071                                          NONE_BSS_FILTER, 0);
1072         }
1073
1074         channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1075         if (channel == NULL)
1076                 return -EINVAL;
1077
1078         if (len < 8 + 2 + 2)
1079                 return -EINVAL;
1080
1081         if (bih->frame_type == BEACON_FTYPE &&
1082             test_bit(CONNECTED, &vif->flags) &&
1083             memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1084                 const u8 *tim;
1085                 tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1086                                        len - 8 - 2 - 2);
1087                 if (tim && tim[1] >= 2) {
1088                         vif->assoc_bss_dtim_period = tim[3];
1089                         set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1090                 }
1091         }
1092
1093         /*
1094          * In theory, use of cfg80211_inform_bss() would be more natural here
1095          * since we do not have the full frame. However, at least for now,
1096          * cfg80211 can only distinguish Beacon and Probe Response frames from
1097          * each other when using cfg80211_inform_bss_frame(), so let's build a
1098          * fake IEEE 802.11 header to be able to take benefit of this.
1099          */
1100         mgmt = kmalloc(24 + len, GFP_ATOMIC);
1101         if (mgmt == NULL)
1102                 return -EINVAL;
1103
1104         if (bih->frame_type == BEACON_FTYPE) {
1105                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1106                                                   IEEE80211_STYPE_BEACON);
1107                 memset(mgmt->da, 0xff, ETH_ALEN);
1108         } else {
1109                 struct net_device *dev = vif->ndev;
1110
1111                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1112                                                   IEEE80211_STYPE_PROBE_RESP);
1113                 memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
1114         }
1115         mgmt->duration = cpu_to_le16(0);
1116         memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
1117         memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
1118         mgmt->seq_ctrl = cpu_to_le16(0);
1119
1120         memcpy(&mgmt->u.beacon, buf, len);
1121
1122         bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
1123                                         24 + len, (bih->snr - 95) * 100,
1124                                         GFP_ATOMIC);
1125         kfree(mgmt);
1126         if (bss == NULL)
1127                 return -ENOMEM;
1128         cfg80211_put_bss(ar->wiphy, bss);
1129
1130         /*
1131          * Firmware doesn't return any event when scheduled scan has
1132          * finished, so we need to use a timer to find out when there are
1133          * no more results.
1134          *
1135          * The timer is started from the first bss info received, otherwise
1136          * the timer would not ever fire if the scan interval is short
1137          * enough.
1138          */
1139         if (test_bit(SCHED_SCANNING, &vif->flags) &&
1140             !timer_pending(&vif->sched_scan_timer)) {
1141                 mod_timer(&vif->sched_scan_timer, jiffies +
1142                           msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1143         }
1144
1145         return 0;
1146 }
1147
1148 /* Inactivity timeout of a fatpipe(pstream) at the target */
1149 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1150                                                int len)
1151 {
1152         struct wmi_pstream_timeout_event *ev;
1153
1154         if (len < sizeof(struct wmi_pstream_timeout_event))
1155                 return -EINVAL;
1156
1157         ev = (struct wmi_pstream_timeout_event *) datap;
1158
1159         /*
1160          * When the pstream (fat pipe == AC) timesout, it means there were
1161          * no thinStreams within this pstream & it got implicitly created
1162          * due to data flow on this AC. We start the inactivity timer only
1163          * for implicitly created pstream. Just reset the host state.
1164          */
1165         spin_lock_bh(&wmi->lock);
1166         wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1167         wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1168         spin_unlock_bh(&wmi->lock);
1169
1170         /* Indicate inactivity to driver layer for this fatpipe (pstream) */
1171         ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1172
1173         return 0;
1174 }
1175
1176 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1177 {
1178         struct wmi_bit_rate_reply *reply;
1179         s32 rate;
1180         u32 sgi, index;
1181
1182         if (len < sizeof(struct wmi_bit_rate_reply))
1183                 return -EINVAL;
1184
1185         reply = (struct wmi_bit_rate_reply *) datap;
1186
1187         ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1188
1189         if (reply->rate_index == (s8) RATE_AUTO) {
1190                 rate = RATE_AUTO;
1191         } else {
1192                 index = reply->rate_index & 0x7f;
1193                 if (WARN_ON_ONCE(index > (RATE_MCS_7_40 + 1)))
1194                         return -EINVAL;
1195
1196                 sgi = (reply->rate_index & 0x80) ? 1 : 0;
1197                 rate = wmi_rate_tbl[index][sgi];
1198         }
1199
1200         ath6kl_wakeup_event(wmi->parent_dev);
1201
1202         return 0;
1203 }
1204
1205 static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1206 {
1207         ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1208
1209         return 0;
1210 }
1211
1212 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1213 {
1214         if (len < sizeof(struct wmi_fix_rates_reply))
1215                 return -EINVAL;
1216
1217         ath6kl_wakeup_event(wmi->parent_dev);
1218
1219         return 0;
1220 }
1221
1222 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1223 {
1224         if (len < sizeof(struct wmi_channel_list_reply))
1225                 return -EINVAL;
1226
1227         ath6kl_wakeup_event(wmi->parent_dev);
1228
1229         return 0;
1230 }
1231
1232 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1233 {
1234         struct wmi_tx_pwr_reply *reply;
1235
1236         if (len < sizeof(struct wmi_tx_pwr_reply))
1237                 return -EINVAL;
1238
1239         reply = (struct wmi_tx_pwr_reply *) datap;
1240         ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1241
1242         return 0;
1243 }
1244
1245 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1246 {
1247         if (len < sizeof(struct wmi_get_keepalive_cmd))
1248                 return -EINVAL;
1249
1250         ath6kl_wakeup_event(wmi->parent_dev);
1251
1252         return 0;
1253 }
1254
1255 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1256                                        struct ath6kl_vif *vif)
1257 {
1258         struct wmi_scan_complete_event *ev;
1259
1260         ev = (struct wmi_scan_complete_event *) datap;
1261
1262         ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1263         wmi->is_probe_ssid = false;
1264
1265         return 0;
1266 }
1267
1268 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1269                                                int len, struct ath6kl_vif *vif)
1270 {
1271         struct wmi_neighbor_report_event *ev;
1272         u8 i;
1273
1274         if (len < sizeof(*ev))
1275                 return -EINVAL;
1276         ev = (struct wmi_neighbor_report_event *) datap;
1277         if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1278             > len) {
1279                 ath6kl_dbg(ATH6KL_DBG_WMI,
1280                            "truncated neighbor event (num=%d len=%d)\n",
1281                            ev->num_neighbors, len);
1282                 return -EINVAL;
1283         }
1284         for (i = 0; i < ev->num_neighbors; i++) {
1285                 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1286                            i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1287                            ev->neighbor[i].bss_flags);
1288                 cfg80211_pmksa_candidate_notify(vif->ndev, i,
1289                                                 ev->neighbor[i].bssid,
1290                                                 !!(ev->neighbor[i].bss_flags &
1291                                                    WMI_PREAUTH_CAPABLE_BSS),
1292                                                 GFP_ATOMIC);
1293         }
1294
1295         return 0;
1296 }
1297
1298 /*
1299  * Target is reporting a programming error.  This is for
1300  * developer aid only.  Target only checks a few common violations
1301  * and it is responsibility of host to do all error checking.
1302  * Behavior of target after wmi error event is undefined.
1303  * A reset is recommended.
1304  */
1305 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1306 {
1307         const char *type = "unknown error";
1308         struct wmi_cmd_error_event *ev;
1309         ev = (struct wmi_cmd_error_event *) datap;
1310
1311         switch (ev->err_code) {
1312         case INVALID_PARAM:
1313                 type = "invalid parameter";
1314                 break;
1315         case ILLEGAL_STATE:
1316                 type = "invalid state";
1317                 break;
1318         case INTERNAL_ERROR:
1319                 type = "internal error";
1320                 break;
1321         }
1322
1323         ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1324                    ev->cmd_id, type);
1325
1326         return 0;
1327 }
1328
1329 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1330                                      struct ath6kl_vif *vif)
1331 {
1332         ath6kl_tgt_stats_event(vif, datap, len);
1333
1334         return 0;
1335 }
1336
1337 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1338                                          struct sq_threshold_params *sq_thresh,
1339                                          u32 size)
1340 {
1341         u32 index;
1342         u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1343
1344         /* The list is already in sorted order. Get the next lower value */
1345         for (index = 0; index < size; index++) {
1346                 if (rssi < sq_thresh->upper_threshold[index]) {
1347                         threshold = (u8) sq_thresh->upper_threshold[index];
1348                         break;
1349                 }
1350         }
1351
1352         return threshold;
1353 }
1354
1355 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1356                                          struct sq_threshold_params *sq_thresh,
1357                                          u32 size)
1358 {
1359         u32 index;
1360         u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1361
1362         /* The list is already in sorted order. Get the next lower value */
1363         for (index = 0; index < size; index++) {
1364                 if (rssi > sq_thresh->lower_threshold[index]) {
1365                         threshold = (u8) sq_thresh->lower_threshold[index];
1366                         break;
1367                 }
1368         }
1369
1370         return threshold;
1371 }
1372
1373 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1374                         struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1375 {
1376         struct sk_buff *skb;
1377         struct wmi_rssi_threshold_params_cmd *cmd;
1378
1379         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1380         if (!skb)
1381                 return -ENOMEM;
1382
1383         cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1384         memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1385
1386         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1387                                    NO_SYNC_WMIFLAG);
1388 }
1389
1390 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1391                                               int len)
1392 {
1393         struct wmi_rssi_threshold_event *reply;
1394         struct wmi_rssi_threshold_params_cmd cmd;
1395         struct sq_threshold_params *sq_thresh;
1396         enum wmi_rssi_threshold_val new_threshold;
1397         u8 upper_rssi_threshold, lower_rssi_threshold;
1398         s16 rssi;
1399         int ret;
1400
1401         if (len < sizeof(struct wmi_rssi_threshold_event))
1402                 return -EINVAL;
1403
1404         reply = (struct wmi_rssi_threshold_event *) datap;
1405         new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1406         rssi = a_sle16_to_cpu(reply->rssi);
1407
1408         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1409
1410         /*
1411          * Identify the threshold breached and communicate that to the app.
1412          * After that install a new set of thresholds based on the signal
1413          * quality reported by the target
1414          */
1415         if (new_threshold) {
1416                 /* Upper threshold breached */
1417                 if (rssi < sq_thresh->upper_threshold[0]) {
1418                         ath6kl_dbg(ATH6KL_DBG_WMI,
1419                                    "spurious upper rssi threshold event: %d\n",
1420                                    rssi);
1421                 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1422                            (rssi >= sq_thresh->upper_threshold[0])) {
1423                         new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1424                 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1425                            (rssi >= sq_thresh->upper_threshold[1])) {
1426                         new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1427                 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1428                            (rssi >= sq_thresh->upper_threshold[2])) {
1429                         new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1430                 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1431                            (rssi >= sq_thresh->upper_threshold[3])) {
1432                         new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1433                 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1434                            (rssi >= sq_thresh->upper_threshold[4])) {
1435                         new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1436                 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1437                         new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1438                 }
1439         } else {
1440                 /* Lower threshold breached */
1441                 if (rssi > sq_thresh->lower_threshold[0]) {
1442                         ath6kl_dbg(ATH6KL_DBG_WMI,
1443                                    "spurious lower rssi threshold event: %d %d\n",
1444                                 rssi, sq_thresh->lower_threshold[0]);
1445                 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1446                            (rssi <= sq_thresh->lower_threshold[0])) {
1447                         new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1448                 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1449                            (rssi <= sq_thresh->lower_threshold[1])) {
1450                         new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1451                 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1452                            (rssi <= sq_thresh->lower_threshold[2])) {
1453                         new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1454                 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1455                            (rssi <= sq_thresh->lower_threshold[3])) {
1456                         new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1457                 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1458                            (rssi <= sq_thresh->lower_threshold[4])) {
1459                         new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1460                 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1461                         new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1462                 }
1463         }
1464
1465         /* Calculate and install the next set of thresholds */
1466         lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1467                                        sq_thresh->lower_threshold_valid_count);
1468         upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1469                                        sq_thresh->upper_threshold_valid_count);
1470
1471         /* Issue a wmi command to install the thresholds */
1472         cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1473         cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1474         cmd.weight = sq_thresh->weight;
1475         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1476
1477         ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1478         if (ret) {
1479                 ath6kl_err("unable to configure rssi thresholds\n");
1480                 return -EIO;
1481         }
1482
1483         return 0;
1484 }
1485
1486 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1487                                    struct ath6kl_vif *vif)
1488 {
1489         struct wmi_cac_event *reply;
1490         struct ieee80211_tspec_ie *ts;
1491         u16 active_tsids, tsinfo;
1492         u8 tsid, index;
1493         u8 ts_id;
1494
1495         if (len < sizeof(struct wmi_cac_event))
1496                 return -EINVAL;
1497
1498         reply = (struct wmi_cac_event *) datap;
1499
1500         if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1501             (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1502
1503                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1504                 tsinfo = le16_to_cpu(ts->tsinfo);
1505                 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1506                         IEEE80211_WMM_IE_TSPEC_TID_MASK;
1507
1508                 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1509                                               reply->ac, tsid);
1510         } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1511                 /*
1512                  * Following assumes that there is only one outstanding
1513                  * ADDTS request when this event is received
1514                  */
1515                 spin_lock_bh(&wmi->lock);
1516                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1517                 spin_unlock_bh(&wmi->lock);
1518
1519                 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1520                         if ((active_tsids >> index) & 1)
1521                                 break;
1522                 }
1523                 if (index < (sizeof(active_tsids) * 8))
1524                         ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1525                                                       reply->ac, index);
1526         }
1527
1528         /*
1529          * Clear active tsids and Add missing handling
1530          * for delete qos stream from AP
1531          */
1532         else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1533
1534                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1535                 tsinfo = le16_to_cpu(ts->tsinfo);
1536                 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1537                          IEEE80211_WMM_IE_TSPEC_TID_MASK);
1538
1539                 spin_lock_bh(&wmi->lock);
1540                 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1541                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1542                 spin_unlock_bh(&wmi->lock);
1543
1544                 /* Indicate stream inactivity to driver layer only if all tsids
1545                  * within this AC are deleted.
1546                  */
1547                 if (!active_tsids) {
1548                         ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1549                                                     false);
1550                         wmi->fat_pipe_exist &= ~(1 << reply->ac);
1551                 }
1552         }
1553
1554         return 0;
1555 }
1556
1557 static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,
1558                                           struct ath6kl_vif *vif)
1559 {
1560         struct wmi_txe_notify_event *ev;
1561         u32 rate, pkts;
1562
1563         if (len < sizeof(*ev))
1564                 return -EINVAL;
1565
1566         if (vif->sme_state != SME_CONNECTED)
1567                 return -ENOTCONN;
1568
1569         ev = (struct wmi_txe_notify_event *) datap;
1570         rate = le32_to_cpu(ev->rate);
1571         pkts = le32_to_cpu(ev->pkts);
1572
1573         ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d% pkts %d intvl %ds\n",
1574                    vif->bssid, rate, pkts, vif->txe_intvl);
1575
1576         cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,
1577                                 rate, vif->txe_intvl, GFP_KERNEL);
1578
1579         return 0;
1580 }
1581
1582 int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
1583                               u32 rate, u32 pkts, u32 intvl)
1584 {
1585         struct sk_buff *skb;
1586         struct wmi_txe_notify_cmd *cmd;
1587
1588         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1589         if (!skb)
1590                 return -ENOMEM;
1591
1592         cmd = (struct wmi_txe_notify_cmd *) skb->data;
1593         cmd->rate = cpu_to_le32(rate);
1594         cmd->pkts = cpu_to_le32(pkts);
1595         cmd->intvl = cpu_to_le32(intvl);
1596
1597         return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,
1598                                    NO_SYNC_WMIFLAG);
1599 }
1600
1601 int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
1602 {
1603         struct sk_buff *skb;
1604         struct wmi_set_rssi_filter_cmd *cmd;
1605         int ret;
1606
1607         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1608         if (!skb)
1609                 return -ENOMEM;
1610
1611         cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
1612         cmd->rssi = rssi;
1613
1614         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,
1615                                   NO_SYNC_WMIFLAG);
1616         return ret;
1617 }
1618
1619 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1620                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1621 {
1622         struct sk_buff *skb;
1623         struct wmi_snr_threshold_params_cmd *cmd;
1624
1625         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1626         if (!skb)
1627                 return -ENOMEM;
1628
1629         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1630         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1631
1632         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1633                                    NO_SYNC_WMIFLAG);
1634 }
1635
1636 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1637                                              int len)
1638 {
1639         struct wmi_snr_threshold_event *reply;
1640         struct sq_threshold_params *sq_thresh;
1641         struct wmi_snr_threshold_params_cmd cmd;
1642         enum wmi_snr_threshold_val new_threshold;
1643         u8 upper_snr_threshold, lower_snr_threshold;
1644         s16 snr;
1645         int ret;
1646
1647         if (len < sizeof(struct wmi_snr_threshold_event))
1648                 return -EINVAL;
1649
1650         reply = (struct wmi_snr_threshold_event *) datap;
1651
1652         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1653         snr = reply->snr;
1654
1655         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1656
1657         /*
1658          * Identify the threshold breached and communicate that to the app.
1659          * After that install a new set of thresholds based on the signal
1660          * quality reported by the target.
1661          */
1662         if (new_threshold) {
1663                 /* Upper threshold breached */
1664                 if (snr < sq_thresh->upper_threshold[0]) {
1665                         ath6kl_dbg(ATH6KL_DBG_WMI,
1666                                    "spurious upper snr threshold event: %d\n",
1667                                    snr);
1668                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1669                            (snr >= sq_thresh->upper_threshold[0])) {
1670                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1671                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1672                            (snr >= sq_thresh->upper_threshold[1])) {
1673                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1674                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1675                            (snr >= sq_thresh->upper_threshold[2])) {
1676                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1677                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1678                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1679                 }
1680         } else {
1681                 /* Lower threshold breached */
1682                 if (snr > sq_thresh->lower_threshold[0]) {
1683                         ath6kl_dbg(ATH6KL_DBG_WMI,
1684                                    "spurious lower snr threshold event: %d\n",
1685                                    sq_thresh->lower_threshold[0]);
1686                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1687                            (snr <= sq_thresh->lower_threshold[0])) {
1688                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1689                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1690                            (snr <= sq_thresh->lower_threshold[1])) {
1691                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1692                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1693                            (snr <= sq_thresh->lower_threshold[2])) {
1694                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1695                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1696                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1697                 }
1698         }
1699
1700         /* Calculate and install the next set of thresholds */
1701         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1702                                        sq_thresh->lower_threshold_valid_count);
1703         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1704                                        sq_thresh->upper_threshold_valid_count);
1705
1706         /* Issue a wmi command to install the thresholds */
1707         cmd.thresh_above1_val = upper_snr_threshold;
1708         cmd.thresh_below1_val = lower_snr_threshold;
1709         cmd.weight = sq_thresh->weight;
1710         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1711
1712         ath6kl_dbg(ATH6KL_DBG_WMI,
1713                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1714                    snr, new_threshold,
1715                    lower_snr_threshold, upper_snr_threshold);
1716
1717         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1718         if (ret) {
1719                 ath6kl_err("unable to configure snr threshold\n");
1720                 return -EIO;
1721         }
1722
1723         return 0;
1724 }
1725
1726 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1727 {
1728         u16 ap_info_entry_size;
1729         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1730         struct wmi_ap_info_v1 *ap_info_v1;
1731         u8 index;
1732
1733         if (len < sizeof(struct wmi_aplist_event) ||
1734             ev->ap_list_ver != APLIST_VER1)
1735                 return -EINVAL;
1736
1737         ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1738         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1739
1740         ath6kl_dbg(ATH6KL_DBG_WMI,
1741                    "number of APs in aplist event: %d\n", ev->num_ap);
1742
1743         if (len < (int) (sizeof(struct wmi_aplist_event) +
1744                          (ev->num_ap - 1) * ap_info_entry_size))
1745                 return -EINVAL;
1746
1747         /* AP list version 1 contents */
1748         for (index = 0; index < ev->num_ap; index++) {
1749                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1750                            index, ap_info_v1->bssid, ap_info_v1->channel);
1751                 ap_info_v1++;
1752         }
1753
1754         return 0;
1755 }
1756
1757 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1758                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1759 {
1760         struct wmi_cmd_hdr *cmd_hdr;
1761         enum htc_endpoint_id ep_id = wmi->ep_id;
1762         int ret;
1763         u16 info1;
1764
1765         if (WARN_ON(skb == NULL ||
1766                     (if_idx > (wmi->parent_dev->vif_max - 1)))) {
1767                 dev_kfree_skb(skb);
1768                 return -EINVAL;
1769         }
1770
1771         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1772                    cmd_id, skb->len, sync_flag);
1773         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1774                         skb->data, skb->len);
1775
1776         if (sync_flag >= END_WMIFLAG) {
1777                 dev_kfree_skb(skb);
1778                 return -EINVAL;
1779         }
1780
1781         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1782             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1783                 /*
1784                  * Make sure all data currently queued is transmitted before
1785                  * the cmd execution.  Establish a new sync point.
1786                  */
1787                 ath6kl_wmi_sync_point(wmi, if_idx);
1788         }
1789
1790         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1791
1792         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1793         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1794         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1795         cmd_hdr->info1 = cpu_to_le16(info1);
1796
1797         /* Only for OPT_TX_CMD, use BE endpoint. */
1798         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1799                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1800                                               false, false, 0, NULL, if_idx);
1801                 if (ret) {
1802                         dev_kfree_skb(skb);
1803                         return ret;
1804                 }
1805                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1806         }
1807
1808         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1809
1810         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1811             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1812                 /*
1813                  * Make sure all new data queued waits for the command to
1814                  * execute. Establish a new sync point.
1815                  */
1816                 ath6kl_wmi_sync_point(wmi, if_idx);
1817         }
1818
1819         return 0;
1820 }
1821
1822 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1823                            enum network_type nw_type,
1824                            enum dot11_auth_mode dot11_auth_mode,
1825                            enum auth_mode auth_mode,
1826                            enum crypto_type pairwise_crypto,
1827                            u8 pairwise_crypto_len,
1828                            enum crypto_type group_crypto,
1829                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1830                            u8 *bssid, u16 channel, u32 ctrl_flags,
1831                            u8 nw_subtype)
1832 {
1833         struct sk_buff *skb;
1834         struct wmi_connect_cmd *cc;
1835         int ret;
1836
1837         ath6kl_dbg(ATH6KL_DBG_WMI,
1838                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1839                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1840                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1841                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1842         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1843
1844         wmi->traffic_class = 100;
1845
1846         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1847                 return -EINVAL;
1848
1849         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1850                 return -EINVAL;
1851
1852         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1853         if (!skb)
1854                 return -ENOMEM;
1855
1856         cc = (struct wmi_connect_cmd *) skb->data;
1857
1858         if (ssid_len)
1859                 memcpy(cc->ssid, ssid, ssid_len);
1860
1861         cc->ssid_len = ssid_len;
1862         cc->nw_type = nw_type;
1863         cc->dot11_auth_mode = dot11_auth_mode;
1864         cc->auth_mode = auth_mode;
1865         cc->prwise_crypto_type = pairwise_crypto;
1866         cc->prwise_crypto_len = pairwise_crypto_len;
1867         cc->grp_crypto_type = group_crypto;
1868         cc->grp_crypto_len = group_crypto_len;
1869         cc->ch = cpu_to_le16(channel);
1870         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1871         cc->nw_subtype = nw_subtype;
1872
1873         if (bssid != NULL)
1874                 memcpy(cc->bssid, bssid, ETH_ALEN);
1875
1876         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1877                                   NO_SYNC_WMIFLAG);
1878
1879         return ret;
1880 }
1881
1882 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1883                              u16 channel)
1884 {
1885         struct sk_buff *skb;
1886         struct wmi_reconnect_cmd *cc;
1887         int ret;
1888
1889         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1890                    bssid, channel);
1891
1892         wmi->traffic_class = 100;
1893
1894         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1895         if (!skb)
1896                 return -ENOMEM;
1897
1898         cc = (struct wmi_reconnect_cmd *) skb->data;
1899         cc->channel = cpu_to_le16(channel);
1900
1901         if (bssid != NULL)
1902                 memcpy(cc->bssid, bssid, ETH_ALEN);
1903
1904         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1905                                   NO_SYNC_WMIFLAG);
1906
1907         return ret;
1908 }
1909
1910 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1911 {
1912         int ret;
1913
1914         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1915
1916         wmi->traffic_class = 100;
1917
1918         /* Disconnect command does not need to do a SYNC before. */
1919         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1920
1921         return ret;
1922 }
1923
1924 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1925  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1926  * mgmt operations using station interface.
1927  */
1928 static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1929                                     enum wmi_scan_type scan_type,
1930                                     u32 force_fgscan, u32 is_legacy,
1931                                     u32 home_dwell_time,
1932                                     u32 force_scan_interval,
1933                                     s8 num_chan, u16 *ch_list)
1934 {
1935         struct sk_buff *skb;
1936         struct wmi_start_scan_cmd *sc;
1937         s8 size;
1938         int i, ret;
1939
1940         size = sizeof(struct wmi_start_scan_cmd);
1941
1942         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1943                 return -EINVAL;
1944
1945         if (num_chan > WMI_MAX_CHANNELS)
1946                 return -EINVAL;
1947
1948         if (num_chan)
1949                 size += sizeof(u16) * (num_chan - 1);
1950
1951         skb = ath6kl_wmi_get_new_buf(size);
1952         if (!skb)
1953                 return -ENOMEM;
1954
1955         sc = (struct wmi_start_scan_cmd *) skb->data;
1956         sc->scan_type = scan_type;
1957         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1958         sc->is_legacy = cpu_to_le32(is_legacy);
1959         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1960         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1961         sc->num_ch = num_chan;
1962
1963         for (i = 0; i < num_chan; i++)
1964                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1965
1966         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1967                                   NO_SYNC_WMIFLAG);
1968
1969         return ret;
1970 }
1971
1972 /*
1973  * beginscan supports (compared to old startscan) P2P mgmt operations using
1974  * station interface, send additional information like supported rates to
1975  * advertise and xmit rates for probe requests
1976  */
1977 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1978                              enum wmi_scan_type scan_type,
1979                              u32 force_fgscan, u32 is_legacy,
1980                              u32 home_dwell_time, u32 force_scan_interval,
1981                              s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
1982 {
1983         struct ieee80211_supported_band *sband;
1984         struct sk_buff *skb;
1985         struct wmi_begin_scan_cmd *sc;
1986         s8 size, *supp_rates;
1987         int i, band, ret;
1988         struct ath6kl *ar = wmi->parent_dev;
1989         int num_rates;
1990         u32 ratemask;
1991
1992         if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1993                       ar->fw_capabilities)) {
1994                 return ath6kl_wmi_startscan_cmd(wmi, if_idx,
1995                                                 scan_type, force_fgscan,
1996                                                 is_legacy, home_dwell_time,
1997                                                 force_scan_interval,
1998                                                 num_chan, ch_list);
1999         }
2000
2001         size = sizeof(struct wmi_begin_scan_cmd);
2002
2003         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
2004                 return -EINVAL;
2005
2006         if (num_chan > WMI_MAX_CHANNELS)
2007                 return -EINVAL;
2008
2009         if (num_chan)
2010                 size += sizeof(u16) * (num_chan - 1);
2011
2012         skb = ath6kl_wmi_get_new_buf(size);
2013         if (!skb)
2014                 return -ENOMEM;
2015
2016         sc = (struct wmi_begin_scan_cmd *) skb->data;
2017         sc->scan_type = scan_type;
2018         sc->force_fg_scan = cpu_to_le32(force_fgscan);
2019         sc->is_legacy = cpu_to_le32(is_legacy);
2020         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
2021         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
2022         sc->no_cck = cpu_to_le32(no_cck);
2023         sc->num_ch = num_chan;
2024
2025         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2026                 sband = ar->wiphy->bands[band];
2027
2028                 if (!sband)
2029                         continue;
2030
2031                 if (WARN_ON(band >= ATH6KL_NUM_BANDS))
2032                         break;
2033
2034                 ratemask = rates[band];
2035                 supp_rates = sc->supp_rates[band].rates;
2036                 num_rates = 0;
2037
2038                 for (i = 0; i < sband->n_bitrates; i++) {
2039                         if ((BIT(i) & ratemask) == 0)
2040                                 continue; /* skip rate */
2041                         supp_rates[num_rates++] =
2042                             (u8) (sband->bitrates[i].bitrate / 5);
2043                 }
2044                 sc->supp_rates[band].nrates = num_rates;
2045         }
2046
2047         for (i = 0; i < num_chan; i++)
2048                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2049
2050         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
2051                                   NO_SYNC_WMIFLAG);
2052
2053         return ret;
2054 }
2055
2056 int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2057 {
2058         struct sk_buff *skb;
2059         struct wmi_enable_sched_scan_cmd *sc;
2060         int ret;
2061
2062         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2063         if (!skb)
2064                 return -ENOMEM;
2065
2066         ath6kl_dbg(ATH6KL_DBG_WMI, "%s scheduled scan on vif %d\n",
2067                    enable ? "enabling" : "disabling", if_idx);
2068         sc = (struct wmi_enable_sched_scan_cmd *) skb->data;
2069         sc->enable = enable ? 1 : 0;
2070
2071         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2072                                   WMI_ENABLE_SCHED_SCAN_CMDID,
2073                                   NO_SYNC_WMIFLAG);
2074         return ret;
2075 }
2076
2077 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
2078                               u16 fg_start_sec,
2079                               u16 fg_end_sec, u16 bg_sec,
2080                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
2081                               u16 pas_chdw_msec, u8 short_scan_ratio,
2082                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
2083                               u16 maxact_scan_per_ssid)
2084 {
2085         struct sk_buff *skb;
2086         struct wmi_scan_params_cmd *sc;
2087         int ret;
2088
2089         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2090         if (!skb)
2091                 return -ENOMEM;
2092
2093         sc = (struct wmi_scan_params_cmd *) skb->data;
2094         sc->fg_start_period = cpu_to_le16(fg_start_sec);
2095         sc->fg_end_period = cpu_to_le16(fg_end_sec);
2096         sc->bg_period = cpu_to_le16(bg_sec);
2097         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
2098         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
2099         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
2100         sc->short_scan_ratio = short_scan_ratio;
2101         sc->scan_ctrl_flags = scan_ctrl_flag;
2102         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
2103         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
2104
2105         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
2106                                   NO_SYNC_WMIFLAG);
2107         return ret;
2108 }
2109
2110 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
2111 {
2112         struct sk_buff *skb;
2113         struct wmi_bss_filter_cmd *cmd;
2114         int ret;
2115
2116         if (filter >= LAST_BSS_FILTER)
2117                 return -EINVAL;
2118
2119         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2120         if (!skb)
2121                 return -ENOMEM;
2122
2123         cmd = (struct wmi_bss_filter_cmd *) skb->data;
2124         cmd->bss_filter = filter;
2125         cmd->ie_mask = cpu_to_le32(ie_mask);
2126
2127         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
2128                                   NO_SYNC_WMIFLAG);
2129         return ret;
2130 }
2131
2132 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2133                               u8 ssid_len, u8 *ssid)
2134 {
2135         struct sk_buff *skb;
2136         struct wmi_probed_ssid_cmd *cmd;
2137         int ret;
2138
2139         if (index >= MAX_PROBED_SSIDS)
2140                 return -EINVAL;
2141
2142         if (ssid_len > sizeof(cmd->ssid))
2143                 return -EINVAL;
2144
2145         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2146                 return -EINVAL;
2147
2148         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2149                 return -EINVAL;
2150
2151         if (flag & SPECIFIC_SSID_FLAG)
2152                 wmi->is_probe_ssid = true;
2153
2154         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2155         if (!skb)
2156                 return -ENOMEM;
2157
2158         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2159         cmd->entry_index = index;
2160         cmd->flag = flag;
2161         cmd->ssid_len = ssid_len;
2162         memcpy(cmd->ssid, ssid, ssid_len);
2163
2164         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2165                                   NO_SYNC_WMIFLAG);
2166         return ret;
2167 }
2168
2169 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2170                                   u16 listen_interval,
2171                                   u16 listen_beacons)
2172 {
2173         struct sk_buff *skb;
2174         struct wmi_listen_int_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_listen_int_cmd *) skb->data;
2182         cmd->listen_intvl = cpu_to_le16(listen_interval);
2183         cmd->num_beacons = cpu_to_le16(listen_beacons);
2184
2185         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2186                                   NO_SYNC_WMIFLAG);
2187         return ret;
2188 }
2189
2190 int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2191                              u16 bmiss_time, u16 num_beacons)
2192 {
2193         struct sk_buff *skb;
2194         struct wmi_bmiss_time_cmd *cmd;
2195         int ret;
2196
2197         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2198         if (!skb)
2199                 return -ENOMEM;
2200
2201         cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2202         cmd->bmiss_time = cpu_to_le16(bmiss_time);
2203         cmd->num_beacons = cpu_to_le16(num_beacons);
2204
2205         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2206                                   NO_SYNC_WMIFLAG);
2207         return ret;
2208 }
2209
2210 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2211 {
2212         struct sk_buff *skb;
2213         struct wmi_power_mode_cmd *cmd;
2214         int ret;
2215
2216         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2217         if (!skb)
2218                 return -ENOMEM;
2219
2220         cmd = (struct wmi_power_mode_cmd *) skb->data;
2221         cmd->pwr_mode = pwr_mode;
2222         wmi->pwr_mode = pwr_mode;
2223
2224         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2225                                   NO_SYNC_WMIFLAG);
2226         return ret;
2227 }
2228
2229 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2230                             u16 ps_poll_num, u16 dtim_policy,
2231                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2232                             u16 ps_fail_event_policy)
2233 {
2234         struct sk_buff *skb;
2235         struct wmi_power_params_cmd *pm;
2236         int ret;
2237
2238         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2239         if (!skb)
2240                 return -ENOMEM;
2241
2242         pm = (struct wmi_power_params_cmd *)skb->data;
2243         pm->idle_period = cpu_to_le16(idle_period);
2244         pm->pspoll_number = cpu_to_le16(ps_poll_num);
2245         pm->dtim_policy = cpu_to_le16(dtim_policy);
2246         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2247         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2248         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2249
2250         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2251                                   NO_SYNC_WMIFLAG);
2252         return ret;
2253 }
2254
2255 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2256 {
2257         struct sk_buff *skb;
2258         struct wmi_disc_timeout_cmd *cmd;
2259         int ret;
2260
2261         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2262         if (!skb)
2263                 return -ENOMEM;
2264
2265         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2266         cmd->discon_timeout = timeout;
2267
2268         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2269                                   NO_SYNC_WMIFLAG);
2270
2271         if (ret == 0)
2272                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2273
2274         return ret;
2275 }
2276
2277 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2278                           enum crypto_type key_type,
2279                           u8 key_usage, u8 key_len,
2280                           u8 *key_rsc, unsigned int key_rsc_len,
2281                           u8 *key_material,
2282                           u8 key_op_ctrl, u8 *mac_addr,
2283                           enum wmi_sync_flag sync_flag)
2284 {
2285         struct sk_buff *skb;
2286         struct wmi_add_cipher_key_cmd *cmd;
2287         int ret;
2288
2289         ath6kl_dbg(ATH6KL_DBG_WMI,
2290                    "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2291                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2292
2293         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2294             (key_material == NULL) || key_rsc_len > 8)
2295                 return -EINVAL;
2296
2297         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2298                 return -EINVAL;
2299
2300         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2301         if (!skb)
2302                 return -ENOMEM;
2303
2304         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2305         cmd->key_index = key_index;
2306         cmd->key_type = key_type;
2307         cmd->key_usage = key_usage;
2308         cmd->key_len = key_len;
2309         memcpy(cmd->key, key_material, key_len);
2310
2311         if (key_rsc != NULL)
2312                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2313
2314         cmd->key_op_ctrl = key_op_ctrl;
2315
2316         if (mac_addr)
2317                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2318
2319         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2320                                   sync_flag);
2321
2322         return ret;
2323 }
2324
2325 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk)
2326 {
2327         struct sk_buff *skb;
2328         struct wmi_add_krk_cmd *cmd;
2329         int ret;
2330
2331         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2332         if (!skb)
2333                 return -ENOMEM;
2334
2335         cmd = (struct wmi_add_krk_cmd *) skb->data;
2336         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2337
2338         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2339                                   NO_SYNC_WMIFLAG);
2340
2341         return ret;
2342 }
2343
2344 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2345 {
2346         struct sk_buff *skb;
2347         struct wmi_delete_cipher_key_cmd *cmd;
2348         int ret;
2349
2350         if (key_index > WMI_MAX_KEY_INDEX)
2351                 return -EINVAL;
2352
2353         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2354         if (!skb)
2355                 return -ENOMEM;
2356
2357         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2358         cmd->key_index = key_index;
2359
2360         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2361                                   NO_SYNC_WMIFLAG);
2362
2363         return ret;
2364 }
2365
2366 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2367                             const u8 *pmkid, bool set)
2368 {
2369         struct sk_buff *skb;
2370         struct wmi_setpmkid_cmd *cmd;
2371         int ret;
2372
2373         if (bssid == NULL)
2374                 return -EINVAL;
2375
2376         if (set && pmkid == NULL)
2377                 return -EINVAL;
2378
2379         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2380         if (!skb)
2381                 return -ENOMEM;
2382
2383         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2384         memcpy(cmd->bssid, bssid, ETH_ALEN);
2385         if (set) {
2386                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2387                 cmd->enable = PMKID_ENABLE;
2388         } else {
2389                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2390                 cmd->enable = PMKID_DISABLE;
2391         }
2392
2393         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2394                                   NO_SYNC_WMIFLAG);
2395
2396         return ret;
2397 }
2398
2399 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2400                               enum htc_endpoint_id ep_id, u8 if_idx)
2401 {
2402         struct wmi_data_hdr *data_hdr;
2403         int ret;
2404
2405         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {
2406                 dev_kfree_skb(skb);
2407                 return -EINVAL;
2408         }
2409
2410         skb_push(skb, sizeof(struct wmi_data_hdr));
2411
2412         data_hdr = (struct wmi_data_hdr *) skb->data;
2413         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2414         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2415
2416         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2417
2418         return ret;
2419 }
2420
2421 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2422 {
2423         struct sk_buff *skb;
2424         struct wmi_sync_cmd *cmd;
2425         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2426         enum htc_endpoint_id ep_id;
2427         u8 index, num_pri_streams = 0;
2428         int ret = 0;
2429
2430         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2431
2432         spin_lock_bh(&wmi->lock);
2433
2434         for (index = 0; index < WMM_NUM_AC; index++) {
2435                 if (wmi->fat_pipe_exist & (1 << index)) {
2436                         num_pri_streams++;
2437                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2438                             index;
2439                 }
2440         }
2441
2442         spin_unlock_bh(&wmi->lock);
2443
2444         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2445         if (!skb)
2446                 return -ENOMEM;
2447
2448         cmd = (struct wmi_sync_cmd *) skb->data;
2449
2450         /*
2451          * In the SYNC cmd sent on the control Ep, send a bitmap
2452          * of the data eps on which the Data Sync will be sent
2453          */
2454         cmd->data_sync_map = wmi->fat_pipe_exist;
2455
2456         for (index = 0; index < num_pri_streams; index++) {
2457                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2458                 if (data_sync_bufs[index].skb == NULL) {
2459                         ret = -ENOMEM;
2460                         break;
2461                 }
2462         }
2463
2464         /*
2465          * If buffer allocation for any of the dataSync fails,
2466          * then do not send the Synchronize cmd on the control ep
2467          */
2468         if (ret)
2469                 goto free_cmd_skb;
2470
2471         /*
2472          * Send sync cmd followed by sync data messages on all
2473          * endpoints being used
2474          */
2475         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2476                                   NO_SYNC_WMIFLAG);
2477
2478         if (ret)
2479                 goto free_data_skb;
2480
2481         for (index = 0; index < num_pri_streams; index++) {
2482
2483                 if (WARN_ON(!data_sync_bufs[index].skb))
2484                         goto free_data_skb;
2485
2486                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2487                                                data_sync_bufs[index].
2488                                                traffic_class);
2489                 ret =
2490                     ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2491                                               ep_id, if_idx);
2492
2493                 data_sync_bufs[index].skb = NULL;
2494
2495                 if (ret)
2496                         goto free_data_skb;
2497         }
2498
2499         return 0;
2500
2501 free_cmd_skb:
2502         /* free up any resources left over (possibly due to an error) */
2503         dev_kfree_skb(skb);
2504
2505 free_data_skb:
2506         for (index = 0; index < num_pri_streams; index++)
2507                 dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].skb);
2508
2509         return ret;
2510 }
2511
2512 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2513                                   struct wmi_create_pstream_cmd *params)
2514 {
2515         struct sk_buff *skb;
2516         struct wmi_create_pstream_cmd *cmd;
2517         u8 fatpipe_exist_for_ac = 0;
2518         s32 min_phy = 0;
2519         s32 nominal_phy = 0;
2520         int ret;
2521
2522         if (!((params->user_pri < 8) &&
2523               (params->user_pri <= 0x7) &&
2524               (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2525               (params->traffic_direc == UPLINK_TRAFFIC ||
2526                params->traffic_direc == DNLINK_TRAFFIC ||
2527                params->traffic_direc == BIDIR_TRAFFIC) &&
2528               (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2529                params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2530               (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2531                params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2532                params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2533               (params->tsid == WMI_IMPLICIT_PSTREAM ||
2534                params->tsid <= WMI_MAX_THINSTREAM))) {
2535                 return -EINVAL;
2536         }
2537
2538         /*
2539          * Check nominal PHY rate is >= minimalPHY,
2540          * so that DUT can allow TSRS IE
2541          */
2542
2543         /* Get the physical rate (units of bps) */
2544         min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2545
2546         /* Check minimal phy < nominal phy rate */
2547         if (params->nominal_phy >= min_phy) {
2548                 /* unit of 500 kbps */
2549                 nominal_phy = (params->nominal_phy * 1000) / 500;
2550                 ath6kl_dbg(ATH6KL_DBG_WMI,
2551                            "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2552                            min_phy, nominal_phy);
2553
2554                 params->nominal_phy = nominal_phy;
2555         } else {
2556                 params->nominal_phy = 0;
2557         }
2558
2559         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2560         if (!skb)
2561                 return -ENOMEM;
2562
2563         ath6kl_dbg(ATH6KL_DBG_WMI,
2564                    "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2565                    params->traffic_class, params->tsid);
2566
2567         cmd = (struct wmi_create_pstream_cmd *) skb->data;
2568         memcpy(cmd, params, sizeof(*cmd));
2569
2570         /* This is an implicitly created Fat pipe */
2571         if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2572                 spin_lock_bh(&wmi->lock);
2573                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2574                                         (1 << params->traffic_class));
2575                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2576                 spin_unlock_bh(&wmi->lock);
2577         } else {
2578                 /* explicitly created thin stream within a fat pipe */
2579                 spin_lock_bh(&wmi->lock);
2580                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2581                                         (1 << params->traffic_class));
2582                 wmi->stream_exist_for_ac[params->traffic_class] |=
2583                     (1 << params->tsid);
2584                 /*
2585                  * If a thinstream becomes active, the fat pipe automatically
2586                  * becomes active
2587                  */
2588                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2589                 spin_unlock_bh(&wmi->lock);
2590         }
2591
2592         /*
2593          * Indicate activty change to driver layer only if this is the
2594          * first TSID to get created in this AC explicitly or an implicit
2595          * fat pipe is getting created.
2596          */
2597         if (!fatpipe_exist_for_ac)
2598                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2599                                             params->traffic_class, true);
2600
2601         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2602                                   NO_SYNC_WMIFLAG);
2603         return ret;
2604 }
2605
2606 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2607                                   u8 tsid)
2608 {
2609         struct sk_buff *skb;
2610         struct wmi_delete_pstream_cmd *cmd;
2611         u16 active_tsids = 0;
2612         int ret;
2613
2614         if (traffic_class > 3) {
2615                 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2616                 return -EINVAL;
2617         }
2618
2619         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2620         if (!skb)
2621                 return -ENOMEM;
2622
2623         cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2624         cmd->traffic_class = traffic_class;
2625         cmd->tsid = tsid;
2626
2627         spin_lock_bh(&wmi->lock);
2628         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2629         spin_unlock_bh(&wmi->lock);
2630
2631         if (!(active_tsids & (1 << tsid))) {
2632                 dev_kfree_skb(skb);
2633                 ath6kl_dbg(ATH6KL_DBG_WMI,
2634                            "TSID %d doesn't exist for traffic class: %d\n",
2635                            tsid, traffic_class);
2636                 return -ENODATA;
2637         }
2638
2639         ath6kl_dbg(ATH6KL_DBG_WMI,
2640                    "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2641                    traffic_class, tsid);
2642
2643         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2644                                   SYNC_BEFORE_WMIFLAG);
2645
2646         spin_lock_bh(&wmi->lock);
2647         wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2648         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2649         spin_unlock_bh(&wmi->lock);
2650
2651         /*
2652          * Indicate stream inactivity to driver layer only if all tsids
2653          * within this AC are deleted.
2654          */
2655         if (!active_tsids) {
2656                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2657                                             traffic_class, false);
2658                 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2659         }
2660
2661         return ret;
2662 }
2663
2664 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2665                           __be32 ips0, __be32 ips1)
2666 {
2667         struct sk_buff *skb;
2668         struct wmi_set_ip_cmd *cmd;
2669         int ret;
2670
2671         /* Multicast address are not valid */
2672         if (ipv4_is_multicast(ips0) ||
2673             ipv4_is_multicast(ips1))
2674                 return -EINVAL;
2675
2676         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2677         if (!skb)
2678                 return -ENOMEM;
2679
2680         cmd = (struct wmi_set_ip_cmd *) skb->data;
2681         cmd->ips[0] = ips0;
2682         cmd->ips[1] = ips1;
2683
2684         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2685                                   NO_SYNC_WMIFLAG);
2686         return ret;
2687 }
2688
2689 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2690 {
2691         u16 active_tsids;
2692         u8 stream_exist;
2693         int i;
2694
2695         /*
2696          * Relinquish credits from all implicitly created pstreams
2697          * since when we go to sleep. If user created explicit
2698          * thinstreams exists with in a fatpipe leave them intact
2699          * for the user to delete.
2700          */
2701         spin_lock_bh(&wmi->lock);
2702         stream_exist = wmi->fat_pipe_exist;
2703         spin_unlock_bh(&wmi->lock);
2704
2705         for (i = 0; i < WMM_NUM_AC; i++) {
2706                 if (stream_exist & (1 << i)) {
2707
2708                         /*
2709                          * FIXME: Is this lock & unlock inside
2710                          * for loop correct? may need rework.
2711                          */
2712                         spin_lock_bh(&wmi->lock);
2713                         active_tsids = wmi->stream_exist_for_ac[i];
2714                         spin_unlock_bh(&wmi->lock);
2715
2716                         /*
2717                          * If there are no user created thin streams
2718                          * delete the fatpipe
2719                          */
2720                         if (!active_tsids) {
2721                                 stream_exist &= ~(1 << i);
2722                                 /*
2723                                  * Indicate inactivity to driver layer for
2724                                  * this fatpipe (pstream)
2725                                  */
2726                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2727                                                             i, false);
2728                         }
2729                 }
2730         }
2731
2732         /* FIXME: Can we do this assignment without locking ? */
2733         spin_lock_bh(&wmi->lock);
2734         wmi->fat_pipe_exist = stream_exist;
2735         spin_unlock_bh(&wmi->lock);
2736 }
2737
2738 static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2739                                      const struct cfg80211_bitrate_mask *mask)
2740 {
2741         struct sk_buff *skb;
2742         int ret, mode, band;
2743         u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2744         struct wmi_set_tx_select_rates64_cmd *cmd;
2745
2746         memset(&ratemask, 0, sizeof(ratemask));
2747
2748         /* only check 2.4 and 5 GHz bands, skip the rest */
2749         for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2750                 /* copy legacy rate mask */
2751                 ratemask[band] = mask->control[band].legacy;
2752                 if (band == IEEE80211_BAND_5GHZ)
2753                         ratemask[band] =
2754                                 mask->control[band].legacy << 4;
2755
2756                 /* copy mcs rate mask */
2757                 mcsrate = mask->control[band].ht_mcs[1];
2758                 mcsrate <<= 8;
2759                 mcsrate |= mask->control[band].ht_mcs[0];
2760                 ratemask[band] |= mcsrate << 12;
2761                 ratemask[band] |= mcsrate << 28;
2762         }
2763
2764         ath6kl_dbg(ATH6KL_DBG_WMI,
2765                    "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2766                    ratemask[0], ratemask[1]);
2767
2768         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2769         if (!skb)
2770                 return -ENOMEM;
2771
2772         cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2773         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2774                 /* A mode operate in 5GHZ band */
2775                 if (mode == WMI_RATES_MODE_11A ||
2776                     mode == WMI_RATES_MODE_11A_HT20 ||
2777                     mode == WMI_RATES_MODE_11A_HT40)
2778                         band = IEEE80211_BAND_5GHZ;
2779                 else
2780                         band = IEEE80211_BAND_2GHZ;
2781                 cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2782         }
2783
2784         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2785                                   WMI_SET_TX_SELECT_RATES_CMDID,
2786                                   NO_SYNC_WMIFLAG);
2787         return ret;
2788 }
2789
2790 static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2791                                      const struct cfg80211_bitrate_mask *mask)
2792 {
2793         struct sk_buff *skb;
2794         int ret, mode, band;
2795         u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2796         struct wmi_set_tx_select_rates32_cmd *cmd;
2797
2798         memset(&ratemask, 0, sizeof(ratemask));
2799
2800         /* only check 2.4 and 5 GHz bands, skip the rest */
2801         for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2802                 /* copy legacy rate mask */
2803                 ratemask[band] = mask->control[band].legacy;
2804                 if (band == IEEE80211_BAND_5GHZ)
2805                         ratemask[band] =
2806                                 mask->control[band].legacy << 4;
2807
2808                 /* copy mcs rate mask */
2809                 mcsrate = mask->control[band].ht_mcs[0];
2810                 ratemask[band] |= mcsrate << 12;
2811                 ratemask[band] |= mcsrate << 20;
2812         }
2813
2814         ath6kl_dbg(ATH6KL_DBG_WMI,
2815                    "Ratemask 32 bit: 2.4:%x 5:%x\n",
2816                    ratemask[0], ratemask[1]);
2817
2818         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2819         if (!skb)
2820                 return -ENOMEM;
2821
2822         cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2823         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2824                 /* A mode operate in 5GHZ band */
2825                 if (mode == WMI_RATES_MODE_11A ||
2826                     mode == WMI_RATES_MODE_11A_HT20 ||
2827                     mode == WMI_RATES_MODE_11A_HT40)
2828                         band = IEEE80211_BAND_5GHZ;
2829                 else
2830                         band = IEEE80211_BAND_2GHZ;
2831                 cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2832         }
2833
2834         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2835                                   WMI_SET_TX_SELECT_RATES_CMDID,
2836                                   NO_SYNC_WMIFLAG);
2837         return ret;
2838 }
2839
2840 int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2841                                 const struct cfg80211_bitrate_mask *mask)
2842 {
2843         struct ath6kl *ar = wmi->parent_dev;
2844
2845         if (ar->hw.flags & ATH6KL_HW_64BIT_RATES)
2846                 return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
2847         else
2848                 return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
2849 }
2850
2851 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2852                                        enum ath6kl_host_mode host_mode)
2853 {
2854         struct sk_buff *skb;
2855         struct wmi_set_host_sleep_mode_cmd *cmd;
2856         int ret;
2857
2858         if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2859             (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2860                 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2861                 return -EINVAL;
2862         }
2863
2864         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2865         if (!skb)
2866                 return -ENOMEM;
2867
2868         cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2869
2870         if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2871                 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2872                 cmd->asleep = cpu_to_le32(1);
2873         } else
2874                 cmd->awake = cpu_to_le32(1);
2875
2876         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2877                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2878                                   NO_SYNC_WMIFLAG);
2879         return ret;
2880 }
2881
2882 /* This command has zero length payload */
2883 static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2884                                                       struct ath6kl_vif *vif)
2885 {
2886         struct ath6kl *ar = wmi->parent_dev;
2887
2888         set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2889         wake_up(&ar->event_wq);
2890
2891         return 0;
2892 }
2893
2894 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2895                                 enum ath6kl_wow_mode wow_mode,
2896                                 u32 filter, u16 host_req_delay)
2897 {
2898         struct sk_buff *skb;
2899         struct wmi_set_wow_mode_cmd *cmd;
2900         int ret;
2901
2902         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2903             wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2904                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2905                 return -EINVAL;
2906         }
2907
2908         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2909         if (!skb)
2910                 return -ENOMEM;
2911
2912         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2913         cmd->enable_wow = cpu_to_le32(wow_mode);
2914         cmd->filter = cpu_to_le32(filter);
2915         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2916
2917         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2918                                   NO_SYNC_WMIFLAG);
2919         return ret;
2920 }
2921
2922 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2923                                    u8 list_id, u8 filter_size,
2924                                    u8 filter_offset, const u8 *filter,
2925                                    const u8 *mask)
2926 {
2927         struct sk_buff *skb;
2928         struct wmi_add_wow_pattern_cmd *cmd;
2929         u16 size;
2930         u8 *filter_mask;
2931         int ret;
2932
2933         /*
2934          * Allocate additional memory in the buffer to hold
2935          * filter and mask value, which is twice of filter_size.
2936          */
2937         size = sizeof(*cmd) + (2 * filter_size);
2938
2939         skb = ath6kl_wmi_get_new_buf(size);
2940         if (!skb)
2941                 return -ENOMEM;
2942
2943         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2944         cmd->filter_list_id = list_id;
2945         cmd->filter_size = filter_size;
2946         cmd->filter_offset = filter_offset;
2947
2948         memcpy(cmd->filter, filter, filter_size);
2949
2950         filter_mask = (u8 *) (cmd->filter + filter_size);
2951         memcpy(filter_mask, mask, filter_size);
2952
2953         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2954                                   NO_SYNC_WMIFLAG);
2955
2956         return ret;
2957 }
2958
2959 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2960                                    u16 list_id, u16 filter_id)
2961 {
2962         struct sk_buff *skb;
2963         struct wmi_del_wow_pattern_cmd *cmd;
2964         int ret;
2965
2966         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2967         if (!skb)
2968                 return -ENOMEM;
2969
2970         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2971         cmd->filter_list_id = cpu_to_le16(list_id);
2972         cmd->filter_id = cpu_to_le16(filter_id);
2973
2974         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2975                                   NO_SYNC_WMIFLAG);
2976         return ret;
2977 }
2978
2979 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2980                                     enum wmix_command_id cmd_id,
2981                                     enum wmi_sync_flag sync_flag)
2982 {
2983         struct wmix_cmd_hdr *cmd_hdr;
2984         int ret;
2985
2986         skb_push(skb, sizeof(struct wmix_cmd_hdr));
2987
2988         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2989         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2990
2991         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
2992
2993         return ret;
2994 }
2995
2996 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2997 {
2998         struct sk_buff *skb;
2999         struct wmix_hb_challenge_resp_cmd *cmd;
3000         int ret;
3001
3002         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3003         if (!skb)
3004                 return -ENOMEM;
3005
3006         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
3007         cmd->cookie = cpu_to_le32(cookie);
3008         cmd->source = cpu_to_le32(source);
3009
3010         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
3011                                        NO_SYNC_WMIFLAG);
3012         return ret;
3013 }
3014
3015 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
3016 {
3017         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
3018         struct sk_buff *skb;
3019         int ret;
3020
3021         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3022         if (!skb)
3023                 return -ENOMEM;
3024
3025         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
3026         cmd->valid = cpu_to_le32(valid);
3027         cmd->config = cpu_to_le32(config);
3028
3029         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
3030                                        NO_SYNC_WMIFLAG);
3031         return ret;
3032 }
3033
3034 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
3035 {
3036         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
3037 }
3038
3039 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
3040 {
3041         struct sk_buff *skb;
3042         struct wmi_set_tx_pwr_cmd *cmd;
3043         int ret;
3044
3045         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
3046         if (!skb)
3047                 return -ENOMEM;
3048
3049         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
3050         cmd->dbM = dbM;
3051
3052         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
3053                                   NO_SYNC_WMIFLAG);
3054
3055         return ret;
3056 }
3057
3058 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
3059 {
3060         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
3061 }
3062
3063 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
3064 {
3065         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
3066 }
3067
3068 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
3069                                  u8 preamble_policy)
3070 {
3071         struct sk_buff *skb;
3072         struct wmi_set_lpreamble_cmd *cmd;
3073         int ret;
3074
3075         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
3076         if (!skb)
3077                 return -ENOMEM;
3078
3079         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
3080         cmd->status = status;
3081         cmd->preamble_policy = preamble_policy;
3082
3083         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
3084                                   NO_SYNC_WMIFLAG);
3085         return ret;
3086 }
3087
3088 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
3089 {
3090         struct sk_buff *skb;
3091         struct wmi_set_rts_cmd *cmd;
3092         int ret;
3093
3094         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
3095         if (!skb)
3096                 return -ENOMEM;
3097
3098         cmd = (struct wmi_set_rts_cmd *) skb->data;
3099         cmd->threshold = cpu_to_le16(threshold);
3100
3101         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
3102                                   NO_SYNC_WMIFLAG);
3103         return ret;
3104 }
3105
3106 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
3107 {
3108         struct sk_buff *skb;
3109         struct wmi_set_wmm_txop_cmd *cmd;
3110         int ret;
3111
3112         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
3113                 return -EINVAL;
3114
3115         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
3116         if (!skb)
3117                 return -ENOMEM;
3118
3119         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
3120         cmd->txop_enable = cfg;
3121
3122         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
3123                                   NO_SYNC_WMIFLAG);
3124         return ret;
3125 }
3126
3127 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3128                                  u8 keep_alive_intvl)
3129 {
3130         struct sk_buff *skb;
3131         struct wmi_set_keepalive_cmd *cmd;
3132         int ret;
3133
3134         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3135         if (!skb)
3136                 return -ENOMEM;
3137
3138         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3139         cmd->keep_alive_intvl = keep_alive_intvl;
3140
3141         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
3142                                   NO_SYNC_WMIFLAG);
3143
3144         if (ret == 0)
3145                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
3146
3147         return ret;
3148 }
3149
3150 int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3151                              enum ieee80211_band band,
3152                              struct ath6kl_htcap *htcap)
3153 {
3154         struct sk_buff *skb;
3155         struct wmi_set_htcap_cmd *cmd;
3156
3157         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3158         if (!skb)
3159                 return -ENOMEM;
3160
3161         cmd = (struct wmi_set_htcap_cmd *) skb->data;
3162
3163         /*
3164          * NOTE: Band in firmware matches enum ieee80211_band, it is unlikely
3165          * this will be changed in firmware. If at all there is any change in
3166          * band value, the host needs to be fixed.
3167          */
3168         cmd->band = band;
3169         cmd->ht_enable = !!htcap->ht_enable;
3170         cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3171         cmd->ht40_supported =
3172                 !!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3173         cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3174         cmd->intolerant_40mhz =
3175                 !!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3176         cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3177
3178         ath6kl_dbg(ATH6KL_DBG_WMI,
3179                    "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3180                    cmd->band, cmd->ht_enable, cmd->ht40_supported,
3181                    cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3182                    cmd->max_ampdu_len_exp);
3183         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
3184                                    NO_SYNC_WMIFLAG);
3185 }
3186
3187 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3188 {
3189         struct sk_buff *skb;
3190         int ret;
3191
3192         skb = ath6kl_wmi_get_new_buf(len);
3193         if (!skb)
3194                 return -ENOMEM;
3195
3196         memcpy(skb->data, buf, len);
3197
3198         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
3199
3200         return ret;
3201 }
3202
3203 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3204 {
3205         struct sk_buff *skb;
3206         struct wmi_mcast_filter_cmd *cmd;
3207         int ret;
3208
3209         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3210         if (!skb)
3211                 return -ENOMEM;
3212
3213         cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3214         cmd->mcast_all_enable = mc_all_on;
3215
3216         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
3217                                   NO_SYNC_WMIFLAG);
3218         return ret;
3219 }
3220
3221 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3222                                         u8 *filter, bool add_filter)
3223 {
3224         struct sk_buff *skb;
3225         struct wmi_mcast_filter_add_del_cmd *cmd;
3226         int ret;
3227
3228         if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3229             (filter[0] != 0x01 || filter[1] != 0x00 ||
3230             filter[2] != 0x5e || filter[3] > 0x7f)) {
3231                 ath6kl_warn("invalid multicast filter address\n");
3232                 return -EINVAL;
3233         }
3234
3235         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3236         if (!skb)
3237                 return -ENOMEM;
3238
3239         cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3240         memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3241         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3242                                   add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3243                                   WMI_DEL_MCAST_FILTER_CMDID,
3244                                   NO_SYNC_WMIFLAG);
3245
3246         return ret;
3247 }
3248
3249 int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3250 {
3251         struct sk_buff *skb;
3252         struct wmi_sta_bmiss_enhance_cmd *cmd;
3253         int ret;
3254
3255         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3256         if (!skb)
3257                 return -ENOMEM;
3258
3259         cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data;
3260         cmd->enable = enhance ? 1 : 0;
3261
3262         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3263                                   WMI_STA_BMISS_ENHANCE_CMDID,
3264                                   NO_SYNC_WMIFLAG);
3265         return ret;
3266 }
3267
3268 int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
3269 {
3270         struct sk_buff *skb;
3271         struct wmi_set_regdomain_cmd *cmd;
3272
3273         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3274         if (!skb)
3275                 return -ENOMEM;
3276
3277         cmd = (struct wmi_set_regdomain_cmd *) skb->data;
3278         memcpy(cmd->iso_name, alpha2, 2);
3279
3280         return ath6kl_wmi_cmd_send(wmi, 0, skb,
3281                                    WMI_SET_REGDOMAIN_CMDID,
3282                                    NO_SYNC_WMIFLAG);
3283 }
3284
3285 s32 ath6kl_wmi_get_rate(s8 rate_index)
3286 {
3287         u8 sgi = 0;
3288
3289         if (rate_index == RATE_AUTO)
3290                 return 0;
3291
3292         /* SGI is stored as the MSB of the rate_index */
3293         if (rate_index & RATE_INDEX_MSB) {
3294                 rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;
3295                 sgi = 1;
3296         }
3297
3298         if (WARN_ON(rate_index > RATE_MCS_7_40))
3299                 rate_index = RATE_MCS_7_40;
3300
3301         return wmi_rate_tbl[(u32) rate_index][sgi];
3302 }
3303
3304 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3305                                               u32 len)
3306 {
3307         struct wmi_pmkid_list_reply *reply;
3308         u32 expected_len;
3309
3310         if (len < sizeof(struct wmi_pmkid_list_reply))
3311                 return -EINVAL;
3312
3313         reply = (struct wmi_pmkid_list_reply *)datap;
3314         expected_len = sizeof(reply->num_pmkid) +
3315                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3316
3317         if (len < expected_len)
3318                 return -EINVAL;
3319
3320         return 0;
3321 }
3322
3323 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3324                                          struct ath6kl_vif *vif)
3325 {
3326         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3327
3328         aggr_recv_addba_req_evt(vif, cmd->tid,
3329                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
3330
3331         return 0;
3332 }
3333
3334 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3335                                          struct ath6kl_vif *vif)
3336 {
3337         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3338
3339         aggr_recv_delba_req_evt(vif, cmd->tid);
3340
3341         return 0;
3342 }
3343
3344 /*  AP mode functions */
3345
3346 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3347                                  struct wmi_connect_cmd *p)
3348 {
3349         struct sk_buff *skb;
3350         struct wmi_connect_cmd *cm;
3351         int res;
3352
3353         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3354         if (!skb)
3355                 return -ENOMEM;
3356
3357         cm = (struct wmi_connect_cmd *) skb->data;
3358         memcpy(cm, p, sizeof(*cm));
3359
3360         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3361                                   NO_SYNC_WMIFLAG);
3362         ath6kl_dbg(ATH6KL_DBG_WMI,
3363                    "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3364                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3365                    le32_to_cpu(p->ctrl_flags), res);
3366         return res;
3367 }
3368
3369 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3370                            u16 reason)
3371 {
3372         struct sk_buff *skb;
3373         struct wmi_ap_set_mlme_cmd *cm;
3374
3375         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3376         if (!skb)
3377                 return -ENOMEM;
3378
3379         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3380         memcpy(cm->mac, mac, ETH_ALEN);
3381         cm->reason = cpu_to_le16(reason);
3382         cm->cmd = cmd;
3383
3384         ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3385                    cm->reason);
3386
3387         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3388                                    NO_SYNC_WMIFLAG);
3389 }
3390
3391 int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3392 {
3393         struct sk_buff *skb;
3394         struct wmi_ap_hidden_ssid_cmd *cmd;
3395
3396         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3397         if (!skb)
3398                 return -ENOMEM;
3399
3400         cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3401         cmd->hidden_ssid = enable ? 1 : 0;
3402
3403         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3404                                    NO_SYNC_WMIFLAG);
3405 }
3406
3407 /* This command will be used to enable/disable AP uAPSD feature */
3408 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3409 {
3410         struct wmi_ap_set_apsd_cmd *cmd;
3411         struct sk_buff *skb;
3412
3413         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3414         if (!skb)
3415                 return -ENOMEM;
3416
3417         cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3418         cmd->enable = enable;
3419
3420         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3421                                    NO_SYNC_WMIFLAG);
3422 }
3423
3424 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3425                                              u16 aid, u16 bitmap, u32 flags)
3426 {
3427         struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3428         struct sk_buff *skb;
3429
3430         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3431         if (!skb)
3432                 return -ENOMEM;
3433
3434         cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3435         cmd->aid = cpu_to_le16(aid);
3436         cmd->bitmap = cpu_to_le16(bitmap);
3437         cmd->flags = cpu_to_le32(flags);
3438
3439         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3440                                    WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3441                                    NO_SYNC_WMIFLAG);
3442 }
3443
3444 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3445                                       struct ath6kl_vif *vif)
3446 {
3447         struct wmi_pspoll_event *ev;
3448
3449         if (len < sizeof(struct wmi_pspoll_event))
3450                 return -EINVAL;
3451
3452         ev = (struct wmi_pspoll_event *) datap;
3453
3454         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3455
3456         return 0;
3457 }
3458
3459 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3460                                           struct ath6kl_vif *vif)
3461 {
3462         ath6kl_dtimexpiry_event(vif);
3463
3464         return 0;
3465 }
3466
3467 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3468                            bool flag)
3469 {
3470         struct sk_buff *skb;
3471         struct wmi_ap_set_pvb_cmd *cmd;
3472         int ret;
3473
3474         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3475         if (!skb)
3476                 return -ENOMEM;
3477
3478         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3479         cmd->aid = cpu_to_le16(aid);
3480         cmd->rsvd = cpu_to_le16(0);
3481         cmd->flag = cpu_to_le32(flag);
3482
3483         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3484                                   NO_SYNC_WMIFLAG);
3485
3486         return 0;
3487 }
3488
3489 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3490                                        u8 rx_meta_ver,
3491                                        bool rx_dot11_hdr, bool defrag_on_host)
3492 {
3493         struct sk_buff *skb;
3494         struct wmi_rx_frame_format_cmd *cmd;
3495         int ret;
3496
3497         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3498         if (!skb)
3499                 return -ENOMEM;
3500
3501         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3502         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3503         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3504         cmd->meta_ver = rx_meta_ver;
3505
3506         /* Delete the local aggr state, on host */
3507         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3508                                   NO_SYNC_WMIFLAG);
3509
3510         return ret;
3511 }
3512
3513 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3514                              const u8 *ie, u8 ie_len)
3515 {
3516         struct sk_buff *skb;
3517         struct wmi_set_appie_cmd *p;
3518
3519         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3520         if (!skb)
3521                 return -ENOMEM;
3522
3523         ath6kl_dbg(ATH6KL_DBG_WMI,
3524                    "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3525                    mgmt_frm_type, ie_len);
3526         p = (struct wmi_set_appie_cmd *) skb->data;
3527         p->mgmt_frm_type = mgmt_frm_type;
3528         p->ie_len = ie_len;
3529
3530         if (ie != NULL && ie_len > 0)
3531                 memcpy(p->ie_info, ie, ie_len);
3532
3533         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3534                                    NO_SYNC_WMIFLAG);
3535 }
3536
3537 int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3538                           const u8 *ie_info, u8 ie_len)
3539 {
3540         struct sk_buff *skb;
3541         struct wmi_set_ie_cmd *p;
3542
3543         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3544         if (!skb)
3545                 return -ENOMEM;
3546
3547         ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3548                    ie_id, ie_field, ie_len);
3549         p = (struct wmi_set_ie_cmd *) skb->data;
3550         p->ie_id = ie_id;
3551         p->ie_field = ie_field;
3552         p->ie_len = ie_len;
3553         if (ie_info && ie_len > 0)
3554                 memcpy(p->ie_info, ie_info, ie_len);
3555
3556         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,
3557                                    NO_SYNC_WMIFLAG);
3558 }
3559
3560 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3561 {
3562         struct sk_buff *skb;
3563         struct wmi_disable_11b_rates_cmd *cmd;
3564
3565         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3566         if (!skb)
3567                 return -ENOMEM;
3568
3569         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3570                    disable);
3571         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3572         cmd->disable = disable ? 1 : 0;
3573
3574         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3575                                    NO_SYNC_WMIFLAG);
3576 }
3577
3578 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3579 {
3580         struct sk_buff *skb;
3581         struct wmi_remain_on_chnl_cmd *p;
3582
3583         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3584         if (!skb)
3585                 return -ENOMEM;
3586
3587         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3588                    freq, dur);
3589         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3590         p->freq = cpu_to_le32(freq);
3591         p->duration = cpu_to_le32(dur);
3592         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3593                                    NO_SYNC_WMIFLAG);
3594 }
3595
3596 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3597  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3598  * mgmt operations using station interface.
3599  */
3600 static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3601                                       u32 freq, u32 wait, const u8 *data,
3602                                       u16 data_len)
3603 {
3604         struct sk_buff *skb;
3605         struct wmi_send_action_cmd *p;
3606         u8 *buf;
3607
3608         if (wait)
3609                 return -EINVAL; /* Offload for wait not supported */
3610
3611         buf = kmalloc(data_len, GFP_KERNEL);
3612         if (!buf)
3613                 return -ENOMEM;
3614
3615         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3616         if (!skb) {
3617                 kfree(buf);
3618                 return -ENOMEM;
3619         }
3620
3621         kfree(wmi->last_mgmt_tx_frame);
3622         memcpy(buf, data, data_len);
3623         wmi->last_mgmt_tx_frame = buf;
3624         wmi->last_mgmt_tx_frame_len = data_len;
3625
3626         ath6kl_dbg(ATH6KL_DBG_WMI,
3627                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3628                    id, freq, wait, data_len);
3629         p = (struct wmi_send_action_cmd *) skb->data;
3630         p->id = cpu_to_le32(id);
3631         p->freq = cpu_to_le32(freq);
3632         p->wait = cpu_to_le32(wait);
3633         p->len = cpu_to_le16(data_len);
3634         memcpy(p->data, data, data_len);
3635         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3636                                    NO_SYNC_WMIFLAG);
3637 }
3638
3639 static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3640                                       u32 freq, u32 wait, const u8 *data,
3641                                       u16 data_len, u32 no_cck)
3642 {
3643         struct sk_buff *skb;
3644         struct wmi_send_mgmt_cmd *p;
3645         u8 *buf;
3646
3647         if (wait)
3648                 return -EINVAL; /* Offload for wait not supported */
3649
3650         buf = kmalloc(data_len, GFP_KERNEL);
3651         if (!buf)
3652                 return -ENOMEM;
3653
3654         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3655         if (!skb) {
3656                 kfree(buf);
3657                 return -ENOMEM;
3658         }
3659
3660         kfree(wmi->last_mgmt_tx_frame);
3661         memcpy(buf, data, data_len);
3662         wmi->last_mgmt_tx_frame = buf;
3663         wmi->last_mgmt_tx_frame_len = data_len;
3664
3665         ath6kl_dbg(ATH6KL_DBG_WMI,
3666                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3667                    id, freq, wait, data_len);
3668         p = (struct wmi_send_mgmt_cmd *) skb->data;
3669         p->id = cpu_to_le32(id);
3670         p->freq = cpu_to_le32(freq);
3671         p->wait = cpu_to_le32(wait);
3672         p->no_cck = cpu_to_le32(no_cck);
3673         p->len = cpu_to_le16(data_len);
3674         memcpy(p->data, data, data_len);
3675         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3676                                    NO_SYNC_WMIFLAG);
3677 }
3678
3679 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3680                                 u32 wait, const u8 *data, u16 data_len,
3681                                 u32 no_cck)
3682 {
3683         int status;
3684         struct ath6kl *ar = wmi->parent_dev;
3685
3686         if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3687                      ar->fw_capabilities)) {
3688                 /*
3689                  * If capable of doing P2P mgmt operations using
3690                  * station interface, send additional information like
3691                  * supported rates to advertise and xmit rates for
3692                  * probe requests
3693                  */
3694                 status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3695                                                     wait, data, data_len,
3696                                                     no_cck);
3697         } else {
3698                 status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3699                                                     wait, data, data_len);
3700         }
3701
3702         return status;
3703 }
3704
3705 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3706                                        const u8 *dst, const u8 *data,
3707                                        u16 data_len)
3708 {
3709         struct sk_buff *skb;
3710         struct wmi_p2p_probe_response_cmd *p;
3711         size_t cmd_len = sizeof(*p) + data_len;
3712
3713         if (data_len == 0)
3714                 cmd_len++; /* work around target minimum length requirement */
3715
3716         skb = ath6kl_wmi_get_new_buf(cmd_len);
3717         if (!skb)
3718                 return -ENOMEM;
3719
3720         ath6kl_dbg(ATH6KL_DBG_WMI,
3721                    "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3722                    freq, dst, data_len);
3723         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3724         p->freq = cpu_to_le32(freq);
3725         memcpy(p->destination_addr, dst, ETH_ALEN);
3726         p->len = cpu_to_le16(data_len);
3727         memcpy(p->data, data, data_len);
3728         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3729                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3730                                    NO_SYNC_WMIFLAG);
3731 }
3732
3733 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3734 {
3735         struct sk_buff *skb;
3736         struct wmi_probe_req_report_cmd *p;
3737
3738         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3739         if (!skb)
3740                 return -ENOMEM;
3741
3742         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3743                    enable);
3744         p = (struct wmi_probe_req_report_cmd *) skb->data;
3745         p->enable = enable ? 1 : 0;
3746         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3747                                    NO_SYNC_WMIFLAG);
3748 }
3749
3750 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3751 {
3752         struct sk_buff *skb;
3753         struct wmi_get_p2p_info *p;
3754
3755         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3756         if (!skb)
3757                 return -ENOMEM;
3758
3759         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3760                    info_req_flags);
3761         p = (struct wmi_get_p2p_info *) skb->data;
3762         p->info_req_flags = cpu_to_le32(info_req_flags);
3763         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3764                                    NO_SYNC_WMIFLAG);
3765 }
3766
3767 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3768 {
3769         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3770         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3771                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3772 }
3773
3774 int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3775 {
3776         struct sk_buff *skb;
3777         struct wmi_set_inact_period_cmd *cmd;
3778
3779         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3780         if (!skb)
3781                 return -ENOMEM;
3782
3783         cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3784         cmd->inact_period = cpu_to_le32(inact_timeout);
3785         cmd->num_null_func = 0;
3786
3787         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,
3788                                    NO_SYNC_WMIFLAG);
3789 }
3790
3791 static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,
3792                                                int len)
3793 {
3794         struct wmix_hb_challenge_resp_cmd *cmd;
3795
3796         if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
3797                 return;
3798
3799         cmd = (struct wmix_hb_challenge_resp_cmd *) datap;
3800         ath6kl_recovery_hb_event(wmi->parent_dev,
3801                                  le32_to_cpu(cmd->cookie));
3802 }
3803
3804 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3805 {
3806         struct wmix_cmd_hdr *cmd;
3807         u32 len;
3808         u16 id;
3809         u8 *datap;
3810         int ret = 0;
3811
3812         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3813                 ath6kl_err("bad packet 1\n");
3814                 return -EINVAL;
3815         }
3816
3817         cmd = (struct wmix_cmd_hdr *) skb->data;
3818         id = le32_to_cpu(cmd->cmd_id);
3819
3820         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3821
3822         datap = skb->data;
3823         len = skb->len;
3824
3825         switch (id) {
3826         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3827                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3828                 ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);
3829                 break;
3830         case WMIX_DBGLOG_EVENTID:
3831                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3832                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3833                 break;
3834         default:
3835                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3836                 ret = -EINVAL;
3837                 break;
3838         }
3839
3840         return ret;
3841 }
3842
3843 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3844 {
3845         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3846 }
3847
3848 /* Process interface specific wmi events, caller would free the datap */
3849 static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3850                                         u8 *datap, u32 len)
3851 {
3852         struct ath6kl_vif *vif;
3853
3854         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3855         if (!vif) {
3856                 ath6kl_dbg(ATH6KL_DBG_WMI,
3857                            "Wmi event for unavailable vif, vif_index:%d\n",
3858                             if_idx);
3859                 return -EINVAL;
3860         }
3861
3862         switch (cmd_id) {
3863         case WMI_CONNECT_EVENTID:
3864                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3865                 return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3866         case WMI_DISCONNECT_EVENTID:
3867                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3868                 return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3869         case WMI_TKIP_MICERR_EVENTID:
3870                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3871                 return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3872         case WMI_BSSINFO_EVENTID:
3873                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3874                 return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3875         case WMI_NEIGHBOR_REPORT_EVENTID:
3876                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3877                 return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3878                                                            vif);
3879         case WMI_SCAN_COMPLETE_EVENTID:
3880                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3881                 return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3882         case WMI_REPORT_STATISTICS_EVENTID:
3883                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3884                 return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3885         case WMI_CAC_EVENTID:
3886                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3887                 return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3888         case WMI_PSPOLL_EVENTID:
3889                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3890                 return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3891         case WMI_DTIMEXPIRY_EVENTID:
3892                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3893                 return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3894         case WMI_ADDBA_REQ_EVENTID:
3895                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3896                 return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3897         case WMI_DELBA_REQ_EVENTID:
3898                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3899                 return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3900         case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3901                 ath6kl_dbg(ATH6KL_DBG_WMI,
3902                            "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3903                 return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3904         case WMI_REMAIN_ON_CHNL_EVENTID:
3905                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3906                 return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3907         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3908                 ath6kl_dbg(ATH6KL_DBG_WMI,
3909                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3910                 return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3911                                                                  len, vif);
3912         case WMI_TX_STATUS_EVENTID:
3913                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3914                 return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3915         case WMI_RX_PROBE_REQ_EVENTID:
3916                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3917                 return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3918         case WMI_RX_ACTION_EVENTID:
3919                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3920                 return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3921         case WMI_TXE_NOTIFY_EVENTID:
3922                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");
3923                 return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
3924         default:
3925                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3926                 return -EINVAL;
3927         }
3928
3929         return 0;
3930 }
3931
3932 static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3933 {
3934         struct wmi_cmd_hdr *cmd;
3935         int ret = 0;
3936         u32 len;
3937         u16 id;
3938         u8 if_idx;
3939         u8 *datap;
3940
3941         cmd = (struct wmi_cmd_hdr *) skb->data;
3942         id = le16_to_cpu(cmd->cmd_id);
3943         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3944
3945         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3946         datap = skb->data;
3947         len = skb->len;
3948
3949         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3950         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3951                         datap, len);
3952
3953         switch (id) {
3954         case WMI_GET_BITRATE_CMDID:
3955                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3956                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3957                 break;
3958         case WMI_GET_CHANNEL_LIST_CMDID:
3959                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3960                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3961                 break;
3962         case WMI_GET_TX_PWR_CMDID:
3963                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3964                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3965                 break;
3966         case WMI_READY_EVENTID:
3967                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3968                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3969                 break;
3970         case WMI_PEER_NODE_EVENTID:
3971                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3972                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
3973                 break;
3974         case WMI_REGDOMAIN_EVENTID:
3975                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
3976                 ath6kl_wmi_regdomain_event(wmi, datap, len);
3977                 break;
3978         case WMI_PSTREAM_TIMEOUT_EVENTID:
3979                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
3980                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
3981                 break;
3982         case WMI_CMDERROR_EVENTID:
3983                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
3984                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
3985                 break;
3986         case WMI_RSSI_THRESHOLD_EVENTID:
3987                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
3988                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
3989                 break;
3990         case WMI_ERROR_REPORT_EVENTID:
3991                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
3992                 break;
3993         case WMI_OPT_RX_FRAME_EVENTID:
3994                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
3995                 /* this event has been deprecated */
3996                 break;
3997         case WMI_REPORT_ROAM_TBL_EVENTID:
3998                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
3999                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
4000                 break;
4001         case WMI_EXTENSION_EVENTID:
4002                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
4003                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
4004                 break;
4005         case WMI_CHANNEL_CHANGE_EVENTID:
4006                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
4007                 break;
4008         case WMI_REPORT_ROAM_DATA_EVENTID:
4009                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
4010                 break;
4011         case WMI_TEST_EVENTID:
4012                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
4013                 ret = ath6kl_wmi_test_rx(wmi, datap, len);
4014                 break;
4015         case WMI_GET_FIXRATES_CMDID:
4016                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
4017                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
4018                 break;
4019         case WMI_TX_RETRY_ERR_EVENTID:
4020                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
4021                 break;
4022         case WMI_SNR_THRESHOLD_EVENTID:
4023                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
4024                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
4025                 break;
4026         case WMI_LQ_THRESHOLD_EVENTID:
4027                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
4028                 break;
4029         case WMI_APLIST_EVENTID:
4030                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
4031                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
4032                 break;
4033         case WMI_GET_KEEPALIVE_CMDID:
4034                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
4035                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
4036                 break;
4037         case WMI_GET_WOW_LIST_EVENTID:
4038                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
4039                 break;
4040         case WMI_GET_PMKID_LIST_EVENTID:
4041                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
4042                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
4043                 break;
4044         case WMI_SET_PARAMS_REPLY_EVENTID:
4045                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
4046                 break;
4047         case WMI_ADDBA_RESP_EVENTID:
4048                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
4049                 break;
4050         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
4051                 ath6kl_dbg(ATH6KL_DBG_WMI,
4052                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
4053                 break;
4054         case WMI_REPORT_BTCOEX_STATS_EVENTID:
4055                 ath6kl_dbg(ATH6KL_DBG_WMI,
4056                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
4057                 break;
4058         case WMI_TX_COMPLETE_EVENTID:
4059                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
4060                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
4061                 break;
4062         case WMI_P2P_CAPABILITIES_EVENTID:
4063                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
4064                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
4065                 break;
4066         case WMI_P2P_INFO_EVENTID:
4067                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
4068                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
4069                 break;
4070         default:
4071                 /* may be the event is interface specific */
4072                 ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
4073                 break;
4074         }
4075
4076         dev_kfree_skb(skb);
4077         return ret;
4078 }
4079
4080 /* Control Path */
4081 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
4082 {
4083         if (WARN_ON(skb == NULL))
4084                 return -EINVAL;
4085
4086         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
4087                 ath6kl_err("bad packet 1\n");
4088                 dev_kfree_skb(skb);
4089                 return -EINVAL;
4090         }
4091
4092         trace_ath6kl_wmi_event(skb->data, skb->len);
4093
4094         return ath6kl_wmi_proc_events(wmi, skb);
4095 }
4096
4097 void ath6kl_wmi_reset(struct wmi *wmi)
4098 {
4099         spin_lock_bh(&wmi->lock);
4100
4101         wmi->fat_pipe_exist = 0;
4102         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
4103
4104         spin_unlock_bh(&wmi->lock);
4105 }
4106
4107 void *ath6kl_wmi_init(struct ath6kl *dev)
4108 {
4109         struct wmi *wmi;
4110
4111         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
4112         if (!wmi)
4113                 return NULL;
4114
4115         spin_lock_init(&wmi->lock);
4116
4117         wmi->parent_dev = dev;
4118
4119         wmi->pwr_mode = REC_POWER;
4120
4121         ath6kl_wmi_reset(wmi);
4122
4123         return wmi;
4124 }
4125
4126 void ath6kl_wmi_shutdown(struct wmi *wmi)
4127 {
4128         if (!wmi)
4129                 return;
4130
4131         kfree(wmi->last_mgmt_tx_frame);
4132         kfree(wmi);
4133 }