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

   1 /*
   2  * Copyright (c) 2004-2011 Atheros Communications Inc.
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #include <linux/ip.h>
  18 #include "core.h"
  19 #include "debug.h"
  20 #include "testmode.h"
  21 #include "../regd.h"
  22 #include "../regd_common.h"
  23
  24 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
  25
  26 static const s32 wmi_rate_tbl[][2] = {
  27         /* {W/O SGI, with SGI} */
  28         {1000, 1000},
  29         {2000, 2000},
  30         {5500, 5500},
  31         {11000, 11000},
  32         {6000, 6000},
  33         {9000, 9000},
  34         {12000, 12000},
  35         {18000, 18000},
  36         {24000, 24000},
  37         {36000, 36000},
  38         {48000, 48000},
  39         {54000, 54000},
  40         {6500, 7200},
  41         {13000, 14400},
  42         {19500, 21700},
  43         {26000, 28900},
  44         {39000, 43300},
  45         {52000, 57800},
  46         {58500, 65000},
  47         {65000, 72200},
  48         {13500, 15000},
  49         {27000, 30000},
  50         {40500, 45000},
  51         {54000, 60000},
  52         {81000, 90000},
  53         {108000, 120000},
  54         {121500, 135000},
  55         {135000, 150000},
  56         {0, 0}
  57 };
  58
  59 /* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
  60 static const u8 up_to_ac[] = {
  61         WMM_AC_BE,
  62         WMM_AC_BK,
  63         WMM_AC_BK,
  64         WMM_AC_BE,
  65         WMM_AC_VI,
  66         WMM_AC_VI,
  67         WMM_AC_VO,
  68         WMM_AC_VO,
  69 };
  70
  71 void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
  72 {
  73         if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
  74                 return;
  75
  76         wmi->ep_id = ep_id;
  77 }
  78
  79 enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
  80 {
  81         return wmi->ep_id;
  82 }
  83
  84 struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
  85 {
  86         struct ath6kl_vif *vif, *found = NULL;
  87
  88         if (WARN_ON(if_idx > (ar->vif_max - 1)))
  89                 return NULL;
  90
  91         /* FIXME: Locking */
  92         spin_lock_bh(&ar->list_lock);
  93         list_for_each_entry(vif, &ar->vif_list, list) {
  94                 if (vif->fw_vif_idx == if_idx) {
  95                         found = vif;
  96                         break;
  97                 }
  98         }
  99         spin_unlock_bh(&ar->list_lock);
 100
 101         return found;
 102 }
 103
 104 /*  Performs DIX to 802.3 encapsulation for transmit packets.
 105  *  Assumes the entire DIX header is contigous and that there is
 106  *  enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
 107  */
 108 int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
 109 {
 110         struct ath6kl_llc_snap_hdr *llc_hdr;
 111         struct ethhdr *eth_hdr;
 112         size_t new_len;
 113         __be16 type;
 114         u8 *datap;
 115         u16 size;
 116
 117         if (WARN_ON(skb == NULL))
 118                 return -EINVAL;
 119
 120         size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
 121         if (skb_headroom(skb) < size)
 122                 return -ENOMEM;
 123
 124         eth_hdr = (struct ethhdr *) skb->data;
 125         type = eth_hdr->h_proto;
 126
 127         if (!is_ethertype(be16_to_cpu(type))) {
 128                 ath6kl_dbg(ATH6KL_DBG_WMI,
 129                         "%s: pkt is already in 802.3 format\n", __func__);
 130                 return 0;
 131         }
 132
 133         new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
 134
 135         skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
 136         datap = skb->data;
 137
 138         eth_hdr->h_proto = cpu_to_be16(new_len);
 139
 140         memcpy(datap, eth_hdr, sizeof(*eth_hdr));
 141
 142         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
 143         llc_hdr->dsap = 0xAA;
 144         llc_hdr->ssap = 0xAA;
 145         llc_hdr->cntl = 0x03;
 146         llc_hdr->org_code[0] = 0x0;
 147         llc_hdr->org_code[1] = 0x0;
 148         llc_hdr->org_code[2] = 0x0;
 149         llc_hdr->eth_type = type;
 150
 151         return 0;
 152 }
 153
 154 static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
 155                                u8 *version, void *tx_meta_info)
 156 {
 157         struct wmi_tx_meta_v1 *v1;
 158         struct wmi_tx_meta_v2 *v2;
 159
 160         if (WARN_ON(skb == NULL || version == NULL))
 161                 return -EINVAL;
 162
 163         switch (*version) {
 164         case WMI_META_VERSION_1:
 165                 skb_push(skb, WMI_MAX_TX_META_SZ);
 166                 v1 = (struct wmi_tx_meta_v1 *) skb->data;
 167                 v1->pkt_id = 0;
 168                 v1->rate_plcy_id = 0;
 169                 *version = WMI_META_VERSION_1;
 170                 break;
 171         case WMI_META_VERSION_2:
 172                 skb_push(skb, WMI_MAX_TX_META_SZ);
 173                 v2 = (struct wmi_tx_meta_v2 *) skb->data;
 174                 memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
 175                        sizeof(struct wmi_tx_meta_v2));
 176                 break;
 177         }
 178
 179         return 0;
 180 }
 181
 182 int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
 183                             u8 msg_type, bool more_data,
 184                             enum wmi_data_hdr_data_type data_type,
 185                             u8 meta_ver, void *tx_meta_info, u8 if_idx)
 186 {
 187         struct wmi_data_hdr *data_hdr;
 188         int ret;
 189
 190         if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))
 191                 return -EINVAL;
 192
 193         if (tx_meta_info) {
 194                 ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
 195                 if (ret)
 196                         return ret;
 197         }
 198
 199         skb_push(skb, sizeof(struct wmi_data_hdr));
 200
 201         data_hdr = (struct wmi_data_hdr *)skb->data;
 202         memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
 203
 204         data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
 205         data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
 206
 207         if (more_data)
 208                 data_hdr->info |=
 209                     WMI_DATA_HDR_MORE_MASK << WMI_DATA_HDR_MORE_SHIFT;
 210
 211         data_hdr->info2 = cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
 212         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
 213
 214         return 0;
 215 }
 216
 217 static u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
 218 {
 219         struct iphdr *ip_hdr = (struct iphdr *) pkt;
 220         u8 ip_pri;
 221
 222         /*
 223          * Determine IPTOS priority
 224          *
 225          * IP-TOS - 8bits
 226          *          : DSCP(6-bits) ECN(2-bits)
 227          *          : DSCP - P2 P1 P0 X X X
 228          * where (P2 P1 P0) form 802.1D
 229          */
 230         ip_pri = ip_hdr->tos >> 5;
 231         ip_pri &= 0x7;
 232
 233         if ((layer2_pri & 0x7) > ip_pri)
 234                 return (u8) layer2_pri & 0x7;
 235         else
 236                 return ip_pri;
 237 }
 238
 239 int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
 240                                        struct sk_buff *skb,
 241                                        u32 layer2_priority, bool wmm_enabled,
 242                                        u8 *ac)
 243 {
 244         struct wmi_data_hdr *data_hdr;
 245         struct ath6kl_llc_snap_hdr *llc_hdr;
 246         struct wmi_create_pstream_cmd cmd;
 247         u32 meta_size, hdr_size;
 248         u16 ip_type = IP_ETHERTYPE;
 249         u8 stream_exist, usr_pri;
 250         u8 traffic_class = WMM_AC_BE;
 251         u8 *datap;
 252
 253         if (WARN_ON(skb == NULL))
 254                 return -EINVAL;
 255
 256         datap = skb->data;
 257         data_hdr = (struct wmi_data_hdr *) datap;
 258
 259         meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
 260                      WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
 261
 262         if (!wmm_enabled) {
 263                 /* If WMM is disabled all traffic goes as BE traffic */
 264                 usr_pri = 0;
 265         } else {
 266                 hdr_size = sizeof(struct ethhdr);
 267
 268                 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
 269                                                          sizeof(struct
 270                                                                 wmi_data_hdr) +
 271                                                          meta_size + hdr_size);
 272
 273                 if (llc_hdr->eth_type == htons(ip_type)) {
 274                         /*
 275                          * Extract the endpoint info from the TOS field
 276                          * in the IP header.
 277                          */
 278                         usr_pri =
 279                            ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
 280                                         sizeof(struct ath6kl_llc_snap_hdr),
 281                                         layer2_priority);
 282                 } else
 283                         usr_pri = layer2_priority & 0x7;
 284         }
 285
 286         /*
 287          * workaround for WMM S5
 288          *
 289          * FIXME: wmi->traffic_class is always 100 so this test doesn't
 290          * make sense
 291          */
 292         if ((wmi->traffic_class == WMM_AC_VI) &&
 293             ((usr_pri == 5) || (usr_pri == 4)))
 294                 usr_pri = 1;
 295
 296         /* Convert user priority to traffic class */
 297         traffic_class = up_to_ac[usr_pri & 0x7];
 298
 299         wmi_data_hdr_set_up(data_hdr, usr_pri);
 300
 301         spin_lock_bh(&wmi->lock);
 302         stream_exist = wmi->fat_pipe_exist;
 303         spin_unlock_bh(&wmi->lock);
 304
 305         if (!(stream_exist & (1 << traffic_class))) {
 306                 memset(&cmd, 0, sizeof(cmd));
 307                 cmd.traffic_class = traffic_class;
 308                 cmd.user_pri = usr_pri;
 309                 cmd.inactivity_int =
 310                         cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
 311                 /* Implicit streams are created with TSID 0xFF */
 312                 cmd.tsid = WMI_IMPLICIT_PSTREAM;
 313                 ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
 314         }
 315
 316         *ac = traffic_class;
 317
 318         return 0;
 319 }
 320
 321 int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
 322 {
 323         struct ieee80211_hdr_3addr *pwh, wh;
 324         struct ath6kl_llc_snap_hdr *llc_hdr;
 325         struct ethhdr eth_hdr;
 326         u32 hdr_size;
 327         u8 *datap;
 328         __le16 sub_type;
 329
 330         if (WARN_ON(skb == NULL))
 331                 return -EINVAL;
 332
 333         datap = skb->data;
 334         pwh = (struct ieee80211_hdr_3addr *) datap;
 335
 336         sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
 337
 338         memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
 339
 340         /* Strip off the 802.11 header */
 341         if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
 342                 hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
 343                                    sizeof(u32));
 344                 skb_pull(skb, hdr_size);
 345         } else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA))
 346                 skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
 347
 348         datap = skb->data;
 349         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
 350
 351         memset(&eth_hdr, 0, sizeof(eth_hdr));
 352         eth_hdr.h_proto = llc_hdr->eth_type;
 353
 354         switch ((le16_to_cpu(wh.frame_control)) &
 355                 (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
 356         case 0:
 357                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 358                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 359                 break;
 360         case IEEE80211_FCTL_TODS:
 361                 memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
 362                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 363                 break;
 364         case IEEE80211_FCTL_FROMDS:
 365                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 366                 memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
 367                 break;
 368         case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
 369                 break;
 370         }
 371
 372         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 373         skb_push(skb, sizeof(eth_hdr));
 374
 375         datap = skb->data;
 376
 377         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 378
 379         return 0;
 380 }
 381
 382 /*
 383  * Performs 802.3 to DIX encapsulation for received packets.
 384  * Assumes the entire 802.3 header is contigous.
 385  */
 386 int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
 387 {
 388         struct ath6kl_llc_snap_hdr *llc_hdr;
 389         struct ethhdr eth_hdr;
 390         u8 *datap;
 391
 392         if (WARN_ON(skb == NULL))
 393                 return -EINVAL;
 394
 395         datap = skb->data;
 396
 397         memcpy(&eth_hdr, datap, sizeof(eth_hdr));
 398
 399         llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
 400         eth_hdr.h_proto = llc_hdr->eth_type;
 401
 402         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 403         datap = skb->data;
 404
 405         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 406
 407         return 0;
 408 }
 409
 410 static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
 411 {
 412         struct tx_complete_msg_v1 *msg_v1;
 413         struct wmi_tx_complete_event *evt;
 414         int index;
 415         u16 size;
 416
 417         evt = (struct wmi_tx_complete_event *) datap;
 418
 419         ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
 420                    evt->num_msg, evt->msg_len, evt->msg_type);
 421
 422         if (!AR_DBG_LVL_CHECK(ATH6KL_DBG_WMI))
 423                 return 0;
 424
 425         for (index = 0; index < evt->num_msg; index++) {
 426                 size = sizeof(struct wmi_tx_complete_event) +
 427                     (index * sizeof(struct tx_complete_msg_v1));
 428                 msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
 429
 430                 ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
 431                            msg_v1->status, msg_v1->pkt_id,
 432                            msg_v1->rate_idx, msg_v1->ack_failures);
 433         }
 434
 435         return 0;
 436 }
 437
 438 static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
 439                                               int len, struct ath6kl_vif *vif)
 440 {
 441         struct wmi_remain_on_chnl_event *ev;
 442         u32 freq;
 443         u32 dur;
 444         struct ieee80211_channel *chan;
 445         struct ath6kl *ar = wmi->parent_dev;
 446         u32 id;
 447
 448         if (len < sizeof(*ev))
 449                 return -EINVAL;
 450
 451         ev = (struct wmi_remain_on_chnl_event *) datap;
 452         freq = le32_to_cpu(ev->freq);
 453         dur = le32_to_cpu(ev->duration);
 454         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
 455                    freq, dur);
 456         chan = ieee80211_get_channel(ar->wiphy, freq);
 457         if (!chan) {
 458                 ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: Unknown channel "
 459                            "(freq=%u)\n", freq);
 460                 return -EINVAL;
 461         }
 462         id = vif->last_roc_id;
 463         cfg80211_ready_on_channel(vif->ndev, id, chan, NL80211_CHAN_NO_HT,
 464                                   dur, GFP_ATOMIC);
 465
 466         return 0;
 467 }
 468
 469 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
 470                                                      u8 *datap, int len,
 471                                                      struct ath6kl_vif *vif)
 472 {
 473         struct wmi_cancel_remain_on_chnl_event *ev;
 474         u32 freq;
 475         u32 dur;
 476         struct ieee80211_channel *chan;
 477         struct ath6kl *ar = wmi->parent_dev;
 478         u32 id;
 479
 480         if (len < sizeof(*ev))
 481                 return -EINVAL;
 482
 483         ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
 484         freq = le32_to_cpu(ev->freq);
 485         dur = le32_to_cpu(ev->duration);
 486         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl: freq=%u dur=%u "
 487                    "status=%u\n", freq, dur, ev->status);
 488         chan = ieee80211_get_channel(ar->wiphy, freq);
 489         if (!chan) {
 490                 ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl: Unknown "
 491                            "channel (freq=%u)\n", freq);
 492                 return -EINVAL;
 493         }
 494         if (vif->last_cancel_roc_id &&
 495             vif->last_cancel_roc_id + 1 == vif->last_roc_id)
 496                 id = vif->last_cancel_roc_id; /* event for cancel command */
 497         else
 498                 id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
 499         vif->last_cancel_roc_id = 0;
 500         cfg80211_remain_on_channel_expired(vif->ndev, id, chan,
 501                                            NL80211_CHAN_NO_HT, GFP_ATOMIC);
 502
 503         return 0;
 504 }
 505
 506 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
 507                                          struct ath6kl_vif *vif)
 508 {
 509         struct wmi_tx_status_event *ev;
 510         u32 id;
 511
 512         if (len < sizeof(*ev))
 513                 return -EINVAL;
 514
 515         ev = (struct wmi_tx_status_event *) datap;
 516         id = le32_to_cpu(ev->id);
 517         ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
 518                    id, ev->ack_status);
 519         if (wmi->last_mgmt_tx_frame) {
 520                 cfg80211_mgmt_tx_status(vif->ndev, id,
 521                                         wmi->last_mgmt_tx_frame,
 522                                         wmi->last_mgmt_tx_frame_len,
 523                                         !!ev->ack_status, GFP_ATOMIC);
 524                 kfree(wmi->last_mgmt_tx_frame);
 525                 wmi->last_mgmt_tx_frame = NULL;
 526                 wmi->last_mgmt_tx_frame_len = 0;
 527         }
 528
 529         return 0;
 530 }
 531
 532 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
 533                                             struct ath6kl_vif *vif)
 534 {
 535         struct wmi_p2p_rx_probe_req_event *ev;
 536         u32 freq;
 537         u16 dlen;
 538
 539         if (len < sizeof(*ev))
 540                 return -EINVAL;
 541
 542         ev = (struct wmi_p2p_rx_probe_req_event *) datap;
 543         freq = le32_to_cpu(ev->freq);
 544         dlen = le16_to_cpu(ev->len);
 545         if (datap + len < ev->data + dlen) {
 546                 ath6kl_err("invalid wmi_p2p_rx_probe_req_event: "
 547                            "len=%d dlen=%u\n", len, dlen);
 548                 return -EINVAL;
 549         }
 550         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_probe_req: len=%u freq=%u "
 551                    "probe_req_report=%d\n",
 552                    dlen, freq, vif->probe_req_report);
 553
 554         if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
 555                 cfg80211_rx_mgmt(vif->ndev, freq, ev->data, dlen, GFP_ATOMIC);
 556
 557         return 0;
 558 }
 559
 560 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
 561 {
 562         struct wmi_p2p_capabilities_event *ev;
 563         u16 dlen;
 564
 565         if (len < sizeof(*ev))
 566                 return -EINVAL;
 567
 568         ev = (struct wmi_p2p_capabilities_event *) datap;
 569         dlen = le16_to_cpu(ev->len);
 570         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
 571
 572         return 0;
 573 }
 574
 575 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 576                                          struct ath6kl_vif *vif)
 577 {
 578         struct wmi_rx_action_event *ev;
 579         u32 freq;
 580         u16 dlen;
 581
 582         if (len < sizeof(*ev))
 583                 return -EINVAL;
 584
 585         ev = (struct wmi_rx_action_event *) datap;
 586         freq = le32_to_cpu(ev->freq);
 587         dlen = le16_to_cpu(ev->len);
 588         if (datap + len < ev->data + dlen) {
 589                 ath6kl_err("invalid wmi_rx_action_event: "
 590                            "len=%d dlen=%u\n", len, dlen);
 591                 return -EINVAL;
 592         }
 593         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
 594         cfg80211_rx_mgmt(vif->ndev, freq, ev->data, dlen, GFP_ATOMIC);
 595
 596         return 0;
 597 }
 598
 599 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
 600 {
 601         struct wmi_p2p_info_event *ev;
 602         u32 flags;
 603         u16 dlen;
 604
 605         if (len < sizeof(*ev))
 606                 return -EINVAL;
 607
 608         ev = (struct wmi_p2p_info_event *) datap;
 609         flags = le32_to_cpu(ev->info_req_flags);
 610         dlen = le16_to_cpu(ev->len);
 611         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
 612
 613         if (flags & P2P_FLAG_CAPABILITIES_REQ) {
 614                 struct wmi_p2p_capabilities *cap;
 615                 if (dlen < sizeof(*cap))
 616                         return -EINVAL;
 617                 cap = (struct wmi_p2p_capabilities *) ev->data;
 618                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
 619                            cap->go_power_save);
 620         }
 621
 622         if (flags & P2P_FLAG_MACADDR_REQ) {
 623                 struct wmi_p2p_macaddr *mac;
 624                 if (dlen < sizeof(*mac))
 625                         return -EINVAL;
 626                 mac = (struct wmi_p2p_macaddr *) ev->data;
 627                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
 628                            mac->mac_addr);
 629         }
 630
 631         if (flags & P2P_FLAG_HMODEL_REQ) {
 632                 struct wmi_p2p_hmodel *mod;
 633                 if (dlen < sizeof(*mod))
 634                         return -EINVAL;
 635                 mod = (struct wmi_p2p_hmodel *) ev->data;
 636                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
 637                            mod->p2p_model,
 638                            mod->p2p_model ? "host" : "firmware");
 639         }
 640         return 0;
 641 }
 642
 643 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
 644 {
 645         struct sk_buff *skb;
 646
 647         skb = ath6kl_buf_alloc(size);
 648         if (!skb)
 649                 return NULL;
 650
 651         skb_put(skb, size);
 652         if (size)
 653                 memset(skb->data, 0, size);
 654
 655         return skb;
 656 }
 657
 658 /* Send a "simple" wmi command -- one with no arguments */
 659 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
 660                                  enum wmi_cmd_id cmd_id)
 661 {
 662         struct sk_buff *skb;
 663         int ret;
 664
 665         skb = ath6kl_wmi_get_new_buf(0);
 666         if (!skb)
 667                 return -ENOMEM;
 668
 669         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
 670
 671         return ret;
 672 }
 673
 674 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
 675 {
 676         struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
 677
 678         if (len < sizeof(struct wmi_ready_event_2))
 679                 return -EINVAL;
 680
 681         ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
 682                            le32_to_cpu(ev->sw_version),
 683                            le32_to_cpu(ev->abi_version));
 684
 685         return 0;
 686 }
 687
 688 /*
 689  * Mechanism to modify the roaming behavior in the firmware. The lower rssi
 690  * at which the station has to roam can be passed with
 691  * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
 692  * in dBm.
 693  */
 694 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
 695 {
 696         struct sk_buff *skb;
 697         struct roam_ctrl_cmd *cmd;
 698
 699         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 700         if (!skb)
 701                 return -ENOMEM;
 702
 703         cmd = (struct roam_ctrl_cmd *) skb->data;
 704
 705         cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
 706         cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
 707                                                        DEF_SCAN_FOR_ROAM_INTVL);
 708         cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
 709         cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
 710         cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
 711
 712         ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 713                             NO_SYNC_WMIFLAG);
 714
 715         return 0;
 716 }
 717
 718 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
 719 {
 720         struct sk_buff *skb;
 721         struct roam_ctrl_cmd *cmd;
 722
 723         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 724         if (!skb)
 725                 return -ENOMEM;
 726
 727         cmd = (struct roam_ctrl_cmd *) skb->data;
 728         memset(cmd, 0, sizeof(*cmd));
 729
 730         memcpy(cmd->info.bssid, bssid, ETH_ALEN);
 731         cmd->roam_ctrl = WMI_FORCE_ROAM;
 732
 733         ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
 734         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 735                                    NO_SYNC_WMIFLAG);
 736 }
 737
 738 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 739 {
 740         struct sk_buff *skb;
 741         struct roam_ctrl_cmd *cmd;
 742
 743         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 744         if (!skb)
 745                 return -ENOMEM;
 746
 747         cmd = (struct roam_ctrl_cmd *) skb->data;
 748         memset(cmd, 0, sizeof(*cmd));
 749
 750         cmd->info.roam_mode = mode;
 751         cmd->roam_ctrl = WMI_SET_ROAM_MODE;
 752
 753         ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
 754         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 755                                    NO_SYNC_WMIFLAG);
 756 }
 757
 758 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
 759                                        struct ath6kl_vif *vif)
 760 {
 761         struct wmi_connect_event *ev;
 762         u8 *pie, *peie;
 763
 764         if (len < sizeof(struct wmi_connect_event))
 765                 return -EINVAL;
 766
 767         ev = (struct wmi_connect_event *) datap;
 768
 769         if (vif->nw_type == AP_NETWORK) {
 770                 /* AP mode start/STA connected event */
 771                 struct net_device *dev = vif->ndev;
 772                 if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
 773                         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: freq %d bssid %pM "
 774                                    "(AP started)\n",
 775                                    __func__, le16_to_cpu(ev->u.ap_bss.ch),
 776                                    ev->u.ap_bss.bssid);
 777                         ath6kl_connect_ap_mode_bss(
 778                                 vif, le16_to_cpu(ev->u.ap_bss.ch));
 779                 } else {
 780                         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: aid %u mac_addr %pM "
 781                                    "auth=%u keymgmt=%u cipher=%u apsd_info=%u "
 782                                    "(STA connected)\n",
 783                                    __func__, ev->u.ap_sta.aid,
 784                                    ev->u.ap_sta.mac_addr,
 785                                    ev->u.ap_sta.auth,
 786                                    ev->u.ap_sta.keymgmt,
 787                                    le16_to_cpu(ev->u.ap_sta.cipher),
 788                                    ev->u.ap_sta.apsd_info);
 789                         ath6kl_connect_ap_mode_sta(
 790                                 vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
 791                                 ev->u.ap_sta.keymgmt,
 792                                 le16_to_cpu(ev->u.ap_sta.cipher),
 793                                 ev->u.ap_sta.auth, ev->assoc_req_len,
 794                                 ev->assoc_info + ev->beacon_ie_len);
 795                 }
 796                 return 0;
 797         }
 798
 799         /* STA/IBSS mode connection event */
 800
 801         ath6kl_dbg(ATH6KL_DBG_WMI,
 802                    "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
 803                    le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
 804                    le16_to_cpu(ev->u.sta.listen_intvl),
 805                    le16_to_cpu(ev->u.sta.beacon_intvl),
 806                    le32_to_cpu(ev->u.sta.nw_type));
 807
 808         /* Start of assoc rsp IEs */
 809         pie = ev->assoc_info + ev->beacon_ie_len +
 810               ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
 811
 812         /* End of assoc rsp IEs */
 813         peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
 814             ev->assoc_resp_len;
 815
 816         while (pie < peie) {
 817                 switch (*pie) {
 818                 case WLAN_EID_VENDOR_SPECIFIC:
 819                         if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
 820                             pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
 821                                 /* WMM OUT (00:50:F2) */
 822                                 if (pie[1] > 5
 823                                     && pie[6] == WMM_PARAM_OUI_SUBTYPE)
 824                                         wmi->is_wmm_enabled = true;
 825                         }
 826                         break;
 827                 }
 828
 829                 if (wmi->is_wmm_enabled)
 830                         break;
 831
 832                 pie += pie[1] + 2;
 833         }
 834
 835         ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
 836                              ev->u.sta.bssid,
 837                              le16_to_cpu(ev->u.sta.listen_intvl),
 838                              le16_to_cpu(ev->u.sta.beacon_intvl),
 839                              le32_to_cpu(ev->u.sta.nw_type),
 840                              ev->beacon_ie_len, ev->assoc_req_len,
 841                              ev->assoc_resp_len, ev->assoc_info);
 842
 843         return 0;
 844 }
 845
 846 static struct country_code_to_enum_rd *
 847 ath6kl_regd_find_country(u16 countryCode)
 848 {
 849         int i;
 850
 851         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 852                 if (allCountries[i].countryCode == countryCode)
 853                         return &allCountries[i];
 854         }
 855
 856         return NULL;
 857 }
 858
 859 static struct reg_dmn_pair_mapping *
 860 ath6kl_get_regpair(u16 regdmn)
 861 {
 862         int i;
 863
 864         if (regdmn == NO_ENUMRD)
 865                 return NULL;
 866
 867         for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
 868                 if (regDomainPairs[i].regDmnEnum == regdmn)
 869                         return &regDomainPairs[i];
 870         }
 871
 872         return NULL;
 873 }
 874
 875 static struct country_code_to_enum_rd *
 876 ath6kl_regd_find_country_by_rd(u16 regdmn)
 877 {
 878         int i;
 879
 880         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 881                 if (allCountries[i].regDmnEnum == regdmn)
 882                         return &allCountries[i];
 883         }
 884
 885         return NULL;
 886 }
 887
 888 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 889 {
 890
 891         struct ath6kl_wmi_regdomain *ev;
 892         struct country_code_to_enum_rd *country = NULL;
 893         struct reg_dmn_pair_mapping *regpair = NULL;
 894         char alpha2[2];
 895         u32 reg_code;
 896
 897         ev = (struct ath6kl_wmi_regdomain *) datap;
 898         reg_code = le32_to_cpu(ev->reg_code);
 899
 900         if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG)
 901                 country = ath6kl_regd_find_country((u16) reg_code);
 902         else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
 903
 904                 regpair = ath6kl_get_regpair((u16) reg_code);
 905                 country = ath6kl_regd_find_country_by_rd((u16) reg_code);
 906                 ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
 907                                 regpair->regDmnEnum);
 908         }
 909
 910         if (country) {
 911                 alpha2[0] = country->isoName[0];
 912                 alpha2[1] = country->isoName[1];
 913
 914                 regulatory_hint(wmi->parent_dev->wiphy, alpha2);
 915
 916                 ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
 917                                 alpha2[0], alpha2[1]);
 918         }
 919 }
 920
 921 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
 922                                           struct ath6kl_vif *vif)
 923 {
 924         struct wmi_disconnect_event *ev;
 925         wmi->traffic_class = 100;
 926
 927         if (len < sizeof(struct wmi_disconnect_event))
 928                 return -EINVAL;
 929
 930         ev = (struct wmi_disconnect_event *) datap;
 931
 932         ath6kl_dbg(ATH6KL_DBG_WMI,
 933                    "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
 934                    le16_to_cpu(ev->proto_reason_status), ev->bssid,
 935                    ev->disconn_reason, ev->assoc_resp_len);
 936
 937         wmi->is_wmm_enabled = false;
 938
 939         ath6kl_disconnect_event(vif, ev->disconn_reason,
 940                                 ev->bssid, ev->assoc_resp_len, ev->assoc_info,
 941                                 le16_to_cpu(ev->proto_reason_status));
 942
 943         return 0;
 944 }
 945
 946 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
 947 {
 948         struct wmi_peer_node_event *ev;
 949
 950         if (len < sizeof(struct wmi_peer_node_event))
 951                 return -EINVAL;
 952
 953         ev = (struct wmi_peer_node_event *) datap;
 954
 955         if (ev->event_code == PEER_NODE_JOIN_EVENT)
 956                 ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
 957                            ev->peer_mac_addr);
 958         else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
 959                 ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
 960                            ev->peer_mac_addr);
 961
 962         return 0;
 963 }
 964
 965 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
 966                                            struct ath6kl_vif *vif)
 967 {
 968         struct wmi_tkip_micerr_event *ev;
 969
 970         if (len < sizeof(struct wmi_tkip_micerr_event))
 971                 return -EINVAL;
 972
 973         ev = (struct wmi_tkip_micerr_event *) datap;
 974
 975         ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
 976
 977         return 0;
 978 }
 979
 980 void ath6kl_wmi_sscan_timer(unsigned long ptr)
 981 {
 982         struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
 983
 984         cfg80211_sched_scan_results(vif->ar->wiphy);
 985 }
 986
 987 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
 988                                        struct ath6kl_vif *vif)
 989 {
 990         struct wmi_bss_info_hdr2 *bih;
 991         u8 *buf;
 992         struct ieee80211_channel *channel;
 993         struct ath6kl *ar = wmi->parent_dev;
 994         struct ieee80211_mgmt *mgmt;
 995         struct cfg80211_bss *bss;
 996
 997         if (len <= sizeof(struct wmi_bss_info_hdr2))
 998                 return -EINVAL;
 999
1000         bih = (struct wmi_bss_info_hdr2 *) datap;
1001         buf = datap + sizeof(struct wmi_bss_info_hdr2);
1002         len -= sizeof(struct wmi_bss_info_hdr2);
1003
1004         ath6kl_dbg(ATH6KL_DBG_WMI,
1005                    "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1006                    "frame_type=%d\n",
1007                    bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1008                    bih->frame_type);
1009
1010         if (bih->frame_type != BEACON_FTYPE &&
1011             bih->frame_type != PROBERESP_FTYPE)
1012                 return 0; /* Only update BSS table for now */
1013
1014         if (bih->frame_type == BEACON_FTYPE &&
1015             test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1016                 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1017                 ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1018                                          NONE_BSS_FILTER, 0);
1019         }
1020
1021         channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1022         if (channel == NULL)
1023                 return -EINVAL;
1024
1025         if (len < 8 + 2 + 2)
1026                 return -EINVAL;
1027
1028         if (bih->frame_type == BEACON_FTYPE && test_bit(CONNECTED, &vif->flags)
1029             && memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1030                 const u8 *tim;
1031                 tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1032                                        len - 8 - 2 - 2);
1033                 if (tim && tim[1] >= 2) {
1034                         vif->assoc_bss_dtim_period = tim[3];
1035                         set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1036                 }
1037         }
1038
1039         /*
1040          * In theory, use of cfg80211_inform_bss() would be more natural here
1041          * since we do not have the full frame. However, at least for now,
1042          * cfg80211 can only distinguish Beacon and Probe Response frames from
1043          * each other when using cfg80211_inform_bss_frame(), so let's build a
1044          * fake IEEE 802.11 header to be able to take benefit of this.
1045          */
1046         mgmt = kmalloc(24 + len, GFP_ATOMIC);
1047         if (mgmt == NULL)
1048                 return -EINVAL;
1049
1050         if (bih->frame_type == BEACON_FTYPE) {
1051                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1052                                                   IEEE80211_STYPE_BEACON);
1053                 memset(mgmt->da, 0xff, ETH_ALEN);
1054         } else {
1055                 struct net_device *dev = vif->ndev;
1056
1057                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1058                                                   IEEE80211_STYPE_PROBE_RESP);
1059                 memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
1060         }
1061         mgmt->duration = cpu_to_le16(0);
1062         memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
1063         memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
1064         mgmt->seq_ctrl = cpu_to_le16(0);
1065
1066         memcpy(&mgmt->u.beacon, buf, len);
1067
1068         bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
1069                                         24 + len, (bih->snr - 95) * 100,
1070                                         GFP_ATOMIC);
1071         kfree(mgmt);
1072         if (bss == NULL)
1073                 return -ENOMEM;
1074         cfg80211_put_bss(bss);
1075
1076         /*
1077          * Firmware doesn't return any event when scheduled scan has
1078          * finished, so we need to use a timer to find out when there are
1079          * no more results.
1080          *
1081          * The timer is started from the first bss info received, otherwise
1082          * the timer would not ever fire if the scan interval is short
1083          * enough.
1084          */
1085         if (ar->state == ATH6KL_STATE_SCHED_SCAN &&
1086             !timer_pending(&vif->sched_scan_timer)) {
1087                 mod_timer(&vif->sched_scan_timer, jiffies +
1088                           msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1089         }
1090
1091         return 0;
1092 }
1093
1094 /* Inactivity timeout of a fatpipe(pstream) at the target */
1095 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1096                                                int len)
1097 {
1098         struct wmi_pstream_timeout_event *ev;
1099
1100         if (len < sizeof(struct wmi_pstream_timeout_event))
1101                 return -EINVAL;
1102
1103         ev = (struct wmi_pstream_timeout_event *) datap;
1104
1105         /*
1106          * When the pstream (fat pipe == AC) timesout, it means there were
1107          * no thinStreams within this pstream & it got implicitly created
1108          * due to data flow on this AC. We start the inactivity timer only
1109          * for implicitly created pstream. Just reset the host state.
1110          */
1111         spin_lock_bh(&wmi->lock);
1112         wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1113         wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1114         spin_unlock_bh(&wmi->lock);
1115
1116         /* Indicate inactivity to driver layer for this fatpipe (pstream) */
1117         ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1118
1119         return 0;
1120 }
1121
1122 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1123 {
1124         struct wmi_bit_rate_reply *reply;
1125         s32 rate;
1126         u32 sgi, index;
1127
1128         if (len < sizeof(struct wmi_bit_rate_reply))
1129                 return -EINVAL;
1130
1131         reply = (struct wmi_bit_rate_reply *) datap;
1132
1133         ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1134
1135         if (reply->rate_index == (s8) RATE_AUTO) {
1136                 rate = RATE_AUTO;
1137         } else {
1138                 index = reply->rate_index & 0x7f;
1139                 sgi = (reply->rate_index & 0x80) ? 1 : 0;
1140                 rate = wmi_rate_tbl[index][sgi];
1141         }
1142
1143         ath6kl_wakeup_event(wmi->parent_dev);
1144
1145         return 0;
1146 }
1147
1148 static int ath6kl_wmi_tcmd_test_report_rx(struct wmi *wmi, u8 *datap, int len)
1149 {
1150         ath6kl_tm_rx_report_event(wmi->parent_dev, datap, len);
1151
1152         return 0;
1153 }
1154
1155 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1156 {
1157         if (len < sizeof(struct wmi_fix_rates_reply))
1158                 return -EINVAL;
1159
1160         ath6kl_wakeup_event(wmi->parent_dev);
1161
1162         return 0;
1163 }
1164
1165 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1166 {
1167         if (len < sizeof(struct wmi_channel_list_reply))
1168                 return -EINVAL;
1169
1170         ath6kl_wakeup_event(wmi->parent_dev);
1171
1172         return 0;
1173 }
1174
1175 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1176 {
1177         struct wmi_tx_pwr_reply *reply;
1178
1179         if (len < sizeof(struct wmi_tx_pwr_reply))
1180                 return -EINVAL;
1181
1182         reply = (struct wmi_tx_pwr_reply *) datap;
1183         ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1184
1185         return 0;
1186 }
1187
1188 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1189 {
1190         if (len < sizeof(struct wmi_get_keepalive_cmd))
1191                 return -EINVAL;
1192
1193         ath6kl_wakeup_event(wmi->parent_dev);
1194
1195         return 0;
1196 }
1197
1198 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1199                                        struct ath6kl_vif *vif)
1200 {
1201         struct wmi_scan_complete_event *ev;
1202
1203         ev = (struct wmi_scan_complete_event *) datap;
1204
1205         ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1206         wmi->is_probe_ssid = false;
1207
1208         return 0;
1209 }
1210
1211 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1212                                                int len, struct ath6kl_vif *vif)
1213 {
1214         struct wmi_neighbor_report_event *ev;
1215         u8 i;
1216
1217         if (len < sizeof(*ev))
1218                 return -EINVAL;
1219         ev = (struct wmi_neighbor_report_event *) datap;
1220         if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1221             > len) {
1222                 ath6kl_dbg(ATH6KL_DBG_WMI, "truncated neighbor event "
1223                            "(num=%d len=%d)\n", ev->num_neighbors, len);
1224                 return -EINVAL;
1225         }
1226         for (i = 0; i < ev->num_neighbors; i++) {
1227                 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1228                            i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1229                            ev->neighbor[i].bss_flags);
1230                 cfg80211_pmksa_candidate_notify(vif->ndev, i,
1231                                                 ev->neighbor[i].bssid,
1232                                                 !!(ev->neighbor[i].bss_flags &
1233                                                    WMI_PREAUTH_CAPABLE_BSS),
1234                                                 GFP_ATOMIC);
1235         }
1236
1237         return 0;
1238 }
1239
1240 /*
1241  * Target is reporting a programming error.  This is for
1242  * developer aid only.  Target only checks a few common violations
1243  * and it is responsibility of host to do all error checking.
1244  * Behavior of target after wmi error event is undefined.
1245  * A reset is recommended.
1246  */
1247 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1248 {
1249         const char *type = "unknown error";
1250         struct wmi_cmd_error_event *ev;
1251         ev = (struct wmi_cmd_error_event *) datap;
1252
1253         switch (ev->err_code) {
1254         case INVALID_PARAM:
1255                 type = "invalid parameter";
1256                 break;
1257         case ILLEGAL_STATE:
1258                 type = "invalid state";
1259                 break;
1260         case INTERNAL_ERROR:
1261                 type = "internal error";
1262                 break;
1263         }
1264
1265         ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1266                    ev->cmd_id, type);
1267
1268         return 0;
1269 }
1270
1271 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1272                                      struct ath6kl_vif *vif)
1273 {
1274         ath6kl_tgt_stats_event(vif, datap, len);
1275
1276         return 0;
1277 }
1278
1279 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1280                                          struct sq_threshold_params *sq_thresh,
1281                                          u32 size)
1282 {
1283         u32 index;
1284         u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1285
1286         /* The list is already in sorted order. Get the next lower value */
1287         for (index = 0; index < size; index++) {
1288                 if (rssi < sq_thresh->upper_threshold[index]) {
1289                         threshold = (u8) sq_thresh->upper_threshold[index];
1290                         break;
1291                 }
1292         }
1293
1294         return threshold;
1295 }
1296
1297 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1298                                          struct sq_threshold_params *sq_thresh,
1299                                          u32 size)
1300 {
1301         u32 index;
1302         u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1303
1304         /* The list is already in sorted order. Get the next lower value */
1305         for (index = 0; index < size; index++) {
1306                 if (rssi > sq_thresh->lower_threshold[index]) {
1307                         threshold = (u8) sq_thresh->lower_threshold[index];
1308                         break;
1309                 }
1310         }
1311
1312         return threshold;
1313 }
1314
1315 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1316                         struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1317 {
1318         struct sk_buff *skb;
1319         struct wmi_rssi_threshold_params_cmd *cmd;
1320
1321         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1322         if (!skb)
1323                 return -ENOMEM;
1324
1325         cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1326         memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1327
1328         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1329                                    NO_SYNC_WMIFLAG);
1330 }
1331
1332 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1333                                               int len)
1334 {
1335         struct wmi_rssi_threshold_event *reply;
1336         struct wmi_rssi_threshold_params_cmd cmd;
1337         struct sq_threshold_params *sq_thresh;
1338         enum wmi_rssi_threshold_val new_threshold;
1339         u8 upper_rssi_threshold, lower_rssi_threshold;
1340         s16 rssi;
1341         int ret;
1342
1343         if (len < sizeof(struct wmi_rssi_threshold_event))
1344                 return -EINVAL;
1345
1346         reply = (struct wmi_rssi_threshold_event *) datap;
1347         new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1348         rssi = a_sle16_to_cpu(reply->rssi);
1349
1350         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1351
1352         /*
1353          * Identify the threshold breached and communicate that to the app.
1354          * After that install a new set of thresholds based on the signal
1355          * quality reported by the target
1356          */
1357         if (new_threshold) {
1358                 /* Upper threshold breached */
1359                 if (rssi < sq_thresh->upper_threshold[0]) {
1360                         ath6kl_dbg(ATH6KL_DBG_WMI,
1361                                 "spurious upper rssi threshold event: %d\n",
1362                                 rssi);
1363                 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1364                            (rssi >= sq_thresh->upper_threshold[0])) {
1365                         new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1366                 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1367                            (rssi >= sq_thresh->upper_threshold[1])) {
1368                         new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1369                 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1370                            (rssi >= sq_thresh->upper_threshold[2])) {
1371                         new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1372                 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1373                            (rssi >= sq_thresh->upper_threshold[3])) {
1374                         new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1375                 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1376                            (rssi >= sq_thresh->upper_threshold[4])) {
1377                         new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1378                 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1379                         new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1380                 }
1381         } else {
1382                 /* Lower threshold breached */
1383                 if (rssi > sq_thresh->lower_threshold[0]) {
1384                         ath6kl_dbg(ATH6KL_DBG_WMI,
1385                                 "spurious lower rssi threshold event: %d %d\n",
1386                                 rssi, sq_thresh->lower_threshold[0]);
1387                 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1388                            (rssi <= sq_thresh->lower_threshold[0])) {
1389                         new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1390                 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1391                            (rssi <= sq_thresh->lower_threshold[1])) {
1392                         new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1393                 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1394                            (rssi <= sq_thresh->lower_threshold[2])) {
1395                         new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1396                 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1397                            (rssi <= sq_thresh->lower_threshold[3])) {
1398                         new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1399                 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1400                            (rssi <= sq_thresh->lower_threshold[4])) {
1401                         new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1402                 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1403                         new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1404                 }
1405         }
1406
1407         /* Calculate and install the next set of thresholds */
1408         lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1409                                        sq_thresh->lower_threshold_valid_count);
1410         upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1411                                        sq_thresh->upper_threshold_valid_count);
1412
1413         /* Issue a wmi command to install the thresholds */
1414         cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1415         cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1416         cmd.weight = sq_thresh->weight;
1417         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1418
1419         ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1420         if (ret) {
1421                 ath6kl_err("unable to configure rssi thresholds\n");
1422                 return -EIO;
1423         }
1424
1425         return 0;
1426 }
1427
1428 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1429                                    struct ath6kl_vif *vif)
1430 {
1431         struct wmi_cac_event *reply;
1432         struct ieee80211_tspec_ie *ts;
1433         u16 active_tsids, tsinfo;
1434         u8 tsid, index;
1435         u8 ts_id;
1436
1437         if (len < sizeof(struct wmi_cac_event))
1438                 return -EINVAL;
1439
1440         reply = (struct wmi_cac_event *) datap;
1441
1442         if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1443             (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1444
1445                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1446                 tsinfo = le16_to_cpu(ts->tsinfo);
1447                 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1448                         IEEE80211_WMM_IE_TSPEC_TID_MASK;
1449
1450                 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1451                                               reply->ac, tsid);
1452         } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1453                 /*
1454                  * Following assumes that there is only one outstanding
1455                  * ADDTS request when this event is received
1456                  */
1457                 spin_lock_bh(&wmi->lock);
1458                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1459                 spin_unlock_bh(&wmi->lock);
1460
1461                 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1462                         if ((active_tsids >> index) & 1)
1463                                 break;
1464                 }
1465                 if (index < (sizeof(active_tsids) * 8))
1466                         ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1467                                                       reply->ac, index);
1468         }
1469
1470         /*
1471          * Clear active tsids and Add missing handling
1472          * for delete qos stream from AP
1473          */
1474         else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1475
1476                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1477                 tsinfo = le16_to_cpu(ts->tsinfo);
1478                 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1479                          IEEE80211_WMM_IE_TSPEC_TID_MASK);
1480
1481                 spin_lock_bh(&wmi->lock);
1482                 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1483                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1484                 spin_unlock_bh(&wmi->lock);
1485
1486                 /* Indicate stream inactivity to driver layer only if all tsids
1487                  * within this AC are deleted.
1488                  */
1489                 if (!active_tsids) {
1490                         ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1491                                                     false);
1492                         wmi->fat_pipe_exist &= ~(1 << reply->ac);
1493                 }
1494         }
1495
1496         return 0;
1497 }
1498
1499 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1500                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1501 {
1502         struct sk_buff *skb;
1503         struct wmi_snr_threshold_params_cmd *cmd;
1504
1505         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1506         if (!skb)
1507                 return -ENOMEM;
1508
1509         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1510         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1511
1512         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1513                                    NO_SYNC_WMIFLAG);
1514 }
1515
1516 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1517                                              int len)
1518 {
1519         struct wmi_snr_threshold_event *reply;
1520         struct sq_threshold_params *sq_thresh;
1521         struct wmi_snr_threshold_params_cmd cmd;
1522         enum wmi_snr_threshold_val new_threshold;
1523         u8 upper_snr_threshold, lower_snr_threshold;
1524         s16 snr;
1525         int ret;
1526
1527         if (len < sizeof(struct wmi_snr_threshold_event))
1528                 return -EINVAL;
1529
1530         reply = (struct wmi_snr_threshold_event *) datap;
1531
1532         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1533         snr = reply->snr;
1534
1535         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1536
1537         /*
1538          * Identify the threshold breached and communicate that to the app.
1539          * After that install a new set of thresholds based on the signal
1540          * quality reported by the target.
1541          */
1542         if (new_threshold) {
1543                 /* Upper threshold breached */
1544                 if (snr < sq_thresh->upper_threshold[0]) {
1545                         ath6kl_dbg(ATH6KL_DBG_WMI,
1546                                 "spurious upper snr threshold event: %d\n",
1547                                 snr);
1548                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1549                            (snr >= sq_thresh->upper_threshold[0])) {
1550                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1551                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1552                            (snr >= sq_thresh->upper_threshold[1])) {
1553                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1554                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1555                            (snr >= sq_thresh->upper_threshold[2])) {
1556                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1557                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1558                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1559                 }
1560         } else {
1561                 /* Lower threshold breached */
1562                 if (snr > sq_thresh->lower_threshold[0]) {
1563                         ath6kl_dbg(ATH6KL_DBG_WMI,
1564                                 "spurious lower snr threshold event: %d\n",
1565                                 sq_thresh->lower_threshold[0]);
1566                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1567                            (snr <= sq_thresh->lower_threshold[0])) {
1568                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1569                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1570                            (snr <= sq_thresh->lower_threshold[1])) {
1571                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1572                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1573                            (snr <= sq_thresh->lower_threshold[2])) {
1574                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1575                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1576                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1577                 }
1578         }
1579
1580         /* Calculate and install the next set of thresholds */
1581         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1582                                        sq_thresh->lower_threshold_valid_count);
1583         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1584                                        sq_thresh->upper_threshold_valid_count);
1585
1586         /* Issue a wmi command to install the thresholds */
1587         cmd.thresh_above1_val = upper_snr_threshold;
1588         cmd.thresh_below1_val = lower_snr_threshold;
1589         cmd.weight = sq_thresh->weight;
1590         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1591
1592         ath6kl_dbg(ATH6KL_DBG_WMI,
1593                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1594                    snr, new_threshold,
1595                    lower_snr_threshold, upper_snr_threshold);
1596
1597         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1598         if (ret) {
1599                 ath6kl_err("unable to configure snr threshold\n");
1600                 return -EIO;
1601         }
1602
1603         return 0;
1604 }
1605
1606 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1607 {
1608         u16 ap_info_entry_size;
1609         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1610         struct wmi_ap_info_v1 *ap_info_v1;
1611         u8 index;
1612
1613         if (len < sizeof(struct wmi_aplist_event) ||
1614             ev->ap_list_ver != APLIST_VER1)
1615                 return -EINVAL;
1616
1617         ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1618         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1619
1620         ath6kl_dbg(ATH6KL_DBG_WMI,
1621                    "number of APs in aplist event: %d\n", ev->num_ap);
1622
1623         if (len < (int) (sizeof(struct wmi_aplist_event) +
1624                          (ev->num_ap - 1) * ap_info_entry_size))
1625                 return -EINVAL;
1626
1627         /* AP list version 1 contents */
1628         for (index = 0; index < ev->num_ap; index++) {
1629                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1630                            index, ap_info_v1->bssid, ap_info_v1->channel);
1631                 ap_info_v1++;
1632         }
1633
1634         return 0;
1635 }
1636
1637 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1638                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1639 {
1640         struct wmi_cmd_hdr *cmd_hdr;
1641         enum htc_endpoint_id ep_id = wmi->ep_id;
1642         int ret;
1643         u16 info1;
1644
1645         if (WARN_ON(skb == NULL || (if_idx > (wmi->parent_dev->vif_max - 1))))
1646                 return -EINVAL;
1647
1648         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1649                    cmd_id, skb->len, sync_flag);
1650         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1651                         skb->data, skb->len);
1652
1653         if (sync_flag >= END_WMIFLAG) {
1654                 dev_kfree_skb(skb);
1655                 return -EINVAL;
1656         }
1657
1658         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1659             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1660                 /*
1661                  * Make sure all data currently queued is transmitted before
1662                  * the cmd execution.  Establish a new sync point.
1663                  */
1664                 ath6kl_wmi_sync_point(wmi, if_idx);
1665         }
1666
1667         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1668
1669         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1670         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1671         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1672         cmd_hdr->info1 = cpu_to_le16(info1);
1673
1674         /* Only for OPT_TX_CMD, use BE endpoint. */
1675         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1676                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1677                                               false, false, 0, NULL, if_idx);
1678                 if (ret) {
1679                         dev_kfree_skb(skb);
1680                         return ret;
1681                 }
1682                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1683         }
1684
1685         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1686
1687         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1688             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1689                 /*
1690                  * Make sure all new data queued waits for the command to
1691                  * execute. Establish a new sync point.
1692                  */
1693                 ath6kl_wmi_sync_point(wmi, if_idx);
1694         }
1695
1696         return 0;
1697 }
1698
1699 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1700                            enum network_type nw_type,
1701                            enum dot11_auth_mode dot11_auth_mode,
1702                            enum auth_mode auth_mode,
1703                            enum crypto_type pairwise_crypto,
1704                            u8 pairwise_crypto_len,
1705                            enum crypto_type group_crypto,
1706                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1707                            u8 *bssid, u16 channel, u32 ctrl_flags)
1708 {
1709         struct sk_buff *skb;
1710         struct wmi_connect_cmd *cc;
1711         int ret;
1712
1713         ath6kl_dbg(ATH6KL_DBG_WMI,
1714                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1715                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1716                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1717                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1718         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1719
1720         wmi->traffic_class = 100;
1721
1722         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1723                 return -EINVAL;
1724
1725         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1726                 return -EINVAL;
1727
1728         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1729         if (!skb)
1730                 return -ENOMEM;
1731
1732         cc = (struct wmi_connect_cmd *) skb->data;
1733
1734         if (ssid_len)
1735                 memcpy(cc->ssid, ssid, ssid_len);
1736
1737         cc->ssid_len = ssid_len;
1738         cc->nw_type = nw_type;
1739         cc->dot11_auth_mode = dot11_auth_mode;
1740         cc->auth_mode = auth_mode;
1741         cc->prwise_crypto_type = pairwise_crypto;
1742         cc->prwise_crypto_len = pairwise_crypto_len;
1743         cc->grp_crypto_type = group_crypto;
1744         cc->grp_crypto_len = group_crypto_len;
1745         cc->ch = cpu_to_le16(channel);
1746         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1747
1748         if (bssid != NULL)
1749                 memcpy(cc->bssid, bssid, ETH_ALEN);
1750
1751         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1752                                   NO_SYNC_WMIFLAG);
1753
1754         return ret;
1755 }
1756
1757 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1758                              u16 channel)
1759 {
1760         struct sk_buff *skb;
1761         struct wmi_reconnect_cmd *cc;
1762         int ret;
1763
1764         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1765                    bssid, channel);
1766
1767         wmi->traffic_class = 100;
1768
1769         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1770         if (!skb)
1771                 return -ENOMEM;
1772
1773         cc = (struct wmi_reconnect_cmd *) skb->data;
1774         cc->channel = cpu_to_le16(channel);
1775
1776         if (bssid != NULL)
1777                 memcpy(cc->bssid, bssid, ETH_ALEN);
1778
1779         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1780                                   NO_SYNC_WMIFLAG);
1781
1782         return ret;
1783 }
1784
1785 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1786 {
1787         int ret;
1788
1789         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1790
1791         wmi->traffic_class = 100;
1792
1793         /* Disconnect command does not need to do a SYNC before. */
1794         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1795
1796         return ret;
1797 }
1798
1799 int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1800                              enum wmi_scan_type scan_type,
1801                              u32 force_fgscan, u32 is_legacy,
1802                              u32 home_dwell_time, u32 force_scan_interval,
1803                              s8 num_chan, u16 *ch_list)
1804 {
1805         struct sk_buff *skb;
1806         struct wmi_start_scan_cmd *sc;
1807         s8 size;
1808         int i, ret;
1809
1810         size = sizeof(struct wmi_start_scan_cmd);
1811
1812         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1813                 return -EINVAL;
1814
1815         if (num_chan > WMI_MAX_CHANNELS)
1816                 return -EINVAL;
1817
1818         if (num_chan)
1819                 size += sizeof(u16) * (num_chan - 1);
1820
1821         skb = ath6kl_wmi_get_new_buf(size);
1822         if (!skb)
1823                 return -ENOMEM;
1824
1825         sc = (struct wmi_start_scan_cmd *) skb->data;
1826         sc->scan_type = scan_type;
1827         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1828         sc->is_legacy = cpu_to_le32(is_legacy);
1829         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1830         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1831         sc->num_ch = num_chan;
1832
1833         for (i = 0; i < num_chan; i++)
1834                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1835
1836         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1837                                   NO_SYNC_WMIFLAG);
1838
1839         return ret;
1840 }
1841
1842 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
1843                               u16 fg_start_sec,
1844                               u16 fg_end_sec, u16 bg_sec,
1845                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
1846                               u16 pas_chdw_msec, u8 short_scan_ratio,
1847                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
1848                               u16 maxact_scan_per_ssid)
1849 {
1850         struct sk_buff *skb;
1851         struct wmi_scan_params_cmd *sc;
1852         int ret;
1853
1854         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
1855         if (!skb)
1856                 return -ENOMEM;
1857
1858         sc = (struct wmi_scan_params_cmd *) skb->data;
1859         sc->fg_start_period = cpu_to_le16(fg_start_sec);
1860         sc->fg_end_period = cpu_to_le16(fg_end_sec);
1861         sc->bg_period = cpu_to_le16(bg_sec);
1862         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
1863         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
1864         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
1865         sc->short_scan_ratio = short_scan_ratio;
1866         sc->scan_ctrl_flags = scan_ctrl_flag;
1867         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
1868         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
1869
1870         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
1871                                   NO_SYNC_WMIFLAG);
1872         return ret;
1873 }
1874
1875 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
1876 {
1877         struct sk_buff *skb;
1878         struct wmi_bss_filter_cmd *cmd;
1879         int ret;
1880
1881         if (filter >= LAST_BSS_FILTER)
1882                 return -EINVAL;
1883
1884         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1885         if (!skb)
1886                 return -ENOMEM;
1887
1888         cmd = (struct wmi_bss_filter_cmd *) skb->data;
1889         cmd->bss_filter = filter;
1890         cmd->ie_mask = cpu_to_le32(ie_mask);
1891
1892         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
1893                                   NO_SYNC_WMIFLAG);
1894         return ret;
1895 }
1896
1897 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
1898                               u8 ssid_len, u8 *ssid)
1899 {
1900         struct sk_buff *skb;
1901         struct wmi_probed_ssid_cmd *cmd;
1902         int ret;
1903
1904         if (index > MAX_PROBED_SSID_INDEX)
1905                 return -EINVAL;
1906
1907         if (ssid_len > sizeof(cmd->ssid))
1908                 return -EINVAL;
1909
1910         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
1911                 return -EINVAL;
1912
1913         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
1914                 return -EINVAL;
1915
1916         if (flag & SPECIFIC_SSID_FLAG)
1917                 wmi->is_probe_ssid = true;
1918
1919         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1920         if (!skb)
1921                 return -ENOMEM;
1922
1923         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
1924         cmd->entry_index = index;
1925         cmd->flag = flag;
1926         cmd->ssid_len = ssid_len;
1927         memcpy(cmd->ssid, ssid, ssid_len);
1928
1929         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
1930                                   NO_SYNC_WMIFLAG);
1931         return ret;
1932 }
1933
1934 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
1935                                   u16 listen_interval,
1936                                   u16 listen_beacons)
1937 {
1938         struct sk_buff *skb;
1939         struct wmi_listen_int_cmd *cmd;
1940         int ret;
1941
1942         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1943         if (!skb)
1944                 return -ENOMEM;
1945
1946         cmd = (struct wmi_listen_int_cmd *) skb->data;
1947         cmd->listen_intvl = cpu_to_le16(listen_interval);
1948         cmd->num_beacons = cpu_to_le16(listen_beacons);
1949
1950         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
1951                                   NO_SYNC_WMIFLAG);
1952         return ret;
1953 }
1954
1955 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
1956 {
1957         struct sk_buff *skb;
1958         struct wmi_power_mode_cmd *cmd;
1959         int ret;
1960
1961         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1962         if (!skb)
1963                 return -ENOMEM;
1964
1965         cmd = (struct wmi_power_mode_cmd *) skb->data;
1966         cmd->pwr_mode = pwr_mode;
1967         wmi->pwr_mode = pwr_mode;
1968
1969         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
1970                                   NO_SYNC_WMIFLAG);
1971         return ret;
1972 }
1973
1974 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
1975                             u16 ps_poll_num, u16 dtim_policy,
1976                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
1977                             u16 ps_fail_event_policy)
1978 {
1979         struct sk_buff *skb;
1980         struct wmi_power_params_cmd *pm;
1981         int ret;
1982
1983         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
1984         if (!skb)
1985                 return -ENOMEM;
1986
1987         pm = (struct wmi_power_params_cmd *)skb->data;
1988         pm->idle_period = cpu_to_le16(idle_period);
1989         pm->pspoll_number = cpu_to_le16(ps_poll_num);
1990         pm->dtim_policy = cpu_to_le16(dtim_policy);
1991         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
1992         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
1993         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
1994
1995         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
1996                                   NO_SYNC_WMIFLAG);
1997         return ret;
1998 }
1999
2000 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2001 {
2002         struct sk_buff *skb;
2003         struct wmi_disc_timeout_cmd *cmd;
2004         int ret;
2005
2006         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2007         if (!skb)
2008                 return -ENOMEM;
2009
2010         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2011         cmd->discon_timeout = timeout;
2012
2013         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2014                                   NO_SYNC_WMIFLAG);
2015
2016         if (ret == 0)
2017                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2018
2019         return ret;
2020 }
2021
2022 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2023                           enum crypto_type key_type,
2024                           u8 key_usage, u8 key_len,
2025                           u8 *key_rsc, unsigned int key_rsc_len,
2026                           u8 *key_material,
2027                           u8 key_op_ctrl, u8 *mac_addr,
2028                           enum wmi_sync_flag sync_flag)
2029 {
2030         struct sk_buff *skb;
2031         struct wmi_add_cipher_key_cmd *cmd;
2032         int ret;
2033
2034         ath6kl_dbg(ATH6KL_DBG_WMI, "addkey cmd: key_index=%u key_type=%d "
2035                    "key_usage=%d key_len=%d key_op_ctrl=%d\n",
2036                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2037
2038         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2039             (key_material == NULL) || key_rsc_len > 8)
2040                 return -EINVAL;
2041
2042         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2043                 return -EINVAL;
2044
2045         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2046         if (!skb)
2047                 return -ENOMEM;
2048
2049         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2050         cmd->key_index = key_index;
2051         cmd->key_type = key_type;
2052         cmd->key_usage = key_usage;
2053         cmd->key_len = key_len;
2054         memcpy(cmd->key, key_material, key_len);
2055
2056         if (key_rsc != NULL)
2057                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2058
2059         cmd->key_op_ctrl = key_op_ctrl;
2060
2061         if (mac_addr)
2062                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2063
2064         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2065                                   sync_flag);
2066
2067         return ret;
2068 }
2069
2070 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk)
2071 {
2072         struct sk_buff *skb;
2073         struct wmi_add_krk_cmd *cmd;
2074         int ret;
2075
2076         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2077         if (!skb)
2078                 return -ENOMEM;
2079
2080         cmd = (struct wmi_add_krk_cmd *) skb->data;
2081         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2082
2083         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2084                                   NO_SYNC_WMIFLAG);
2085
2086         return ret;
2087 }
2088
2089 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2090 {
2091         struct sk_buff *skb;
2092         struct wmi_delete_cipher_key_cmd *cmd;
2093         int ret;
2094
2095         if (key_index > WMI_MAX_KEY_INDEX)
2096                 return -EINVAL;
2097
2098         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2099         if (!skb)
2100                 return -ENOMEM;
2101
2102         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2103         cmd->key_index = key_index;
2104
2105         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2106                                   NO_SYNC_WMIFLAG);
2107
2108         return ret;
2109 }
2110
2111 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2112                             const u8 *pmkid, bool set)
2113 {
2114         struct sk_buff *skb;
2115         struct wmi_setpmkid_cmd *cmd;
2116         int ret;
2117
2118         if (bssid == NULL)
2119                 return -EINVAL;
2120
2121         if (set && pmkid == NULL)
2122                 return -EINVAL;
2123
2124         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2125         if (!skb)
2126                 return -ENOMEM;
2127
2128         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2129         memcpy(cmd->bssid, bssid, ETH_ALEN);
2130         if (set) {
2131                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2132                 cmd->enable = PMKID_ENABLE;
2133         } else {
2134                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2135                 cmd->enable = PMKID_DISABLE;
2136         }
2137
2138         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2139                                   NO_SYNC_WMIFLAG);
2140
2141         return ret;
2142 }
2143
2144 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2145                               enum htc_endpoint_id ep_id, u8 if_idx)
2146 {
2147         struct wmi_data_hdr *data_hdr;
2148         int ret;
2149
2150         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id))
2151                 return -EINVAL;
2152
2153         skb_push(skb, sizeof(struct wmi_data_hdr));
2154
2155         data_hdr = (struct wmi_data_hdr *) skb->data;
2156         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2157         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2158
2159         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2160
2161         return ret;
2162 }
2163
2164 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2165 {
2166         struct sk_buff *skb;
2167         struct wmi_sync_cmd *cmd;
2168         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2169         enum htc_endpoint_id ep_id;
2170         u8 index, num_pri_streams = 0;
2171         int ret = 0;
2172
2173         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2174
2175         spin_lock_bh(&wmi->lock);
2176
2177         for (index = 0; index < WMM_NUM_AC; index++) {
2178                 if (wmi->fat_pipe_exist & (1 << index)) {
2179                         num_pri_streams++;
2180                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2181                             index;
2182                 }
2183         }
2184
2185         spin_unlock_bh(&wmi->lock);
2186
2187         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2188         if (!skb) {
2189                 ret = -ENOMEM;
2190                 goto free_skb;
2191         }
2192
2193         cmd = (struct wmi_sync_cmd *) skb->data;
2194
2195         /*
2196          * In the SYNC cmd sent on the control Ep, send a bitmap
2197          * of the data eps on which the Data Sync will be sent
2198          */
2199         cmd->data_sync_map = wmi->fat_pipe_exist;
2200
2201         for (index = 0; index < num_pri_streams; index++) {
2202                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2203                 if (data_sync_bufs[index].skb == NULL) {
2204                         ret = -ENOMEM;
2205                         break;
2206                 }
2207         }
2208
2209         /*
2210          * If buffer allocation for any of the dataSync fails,
2211          * then do not send the Synchronize cmd on the control ep
2212          */
2213         if (ret)
2214                 goto free_skb;
2215
2216         /*
2217          * Send sync cmd followed by sync data messages on all
2218          * endpoints being used
2219          */
2220         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2221                                   NO_SYNC_WMIFLAG);
2222
2223         if (ret)
2224                 goto free_skb;
2225
2226         /* cmd buffer sent, we no longer own it */
2227         skb = NULL;
2228
2229         for (index = 0; index < num_pri_streams; index++) {
2230
2231                 if (WARN_ON(!data_sync_bufs[index].skb))
2232                         break;
2233
2234                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2235                                                data_sync_bufs[index].
2236                                                traffic_class);
2237                 ret =
2238                     ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2239                                               ep_id, if_idx);
2240
2241                 if (ret)
2242                         break;
2243
2244                 data_sync_bufs[index].skb = NULL;
2245         }
2246
2247 free_skb:
2248         /* free up any resources left over (possibly due to an error) */
2249         if (skb)
2250                 dev_kfree_skb(skb);
2251
2252         for (index = 0; index < num_pri_streams; index++) {
2253                 if (data_sync_bufs[index].skb != NULL) {
2254                         dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].
2255                                       skb);
2256                 }
2257         }
2258
2259         return ret;
2260 }
2261
2262 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2263                                   struct wmi_create_pstream_cmd *params)
2264 {
2265         struct sk_buff *skb;
2266         struct wmi_create_pstream_cmd *cmd;
2267         u8 fatpipe_exist_for_ac = 0;
2268         s32 min_phy = 0;
2269         s32 nominal_phy = 0;
2270         int ret;
2271
2272         if (!((params->user_pri < 8) &&
2273               (params->user_pri <= 0x7) &&
2274               (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2275               (params->traffic_direc == UPLINK_TRAFFIC ||
2276                params->traffic_direc == DNLINK_TRAFFIC ||
2277                params->traffic_direc == BIDIR_TRAFFIC) &&
2278               (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2279                params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2280               (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2281                params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2282                params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2283               (params->tsid == WMI_IMPLICIT_PSTREAM ||
2284                params->tsid <= WMI_MAX_THINSTREAM))) {
2285                 return -EINVAL;
2286         }
2287
2288         /*
2289          * Check nominal PHY rate is >= minimalPHY,
2290          * so that DUT can allow TSRS IE
2291          */
2292
2293         /* Get the physical rate (units of bps) */
2294         min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2295
2296         /* Check minimal phy < nominal phy rate */
2297         if (params->nominal_phy >= min_phy) {
2298                 /* unit of 500 kbps */
2299                 nominal_phy = (params->nominal_phy * 1000) / 500;
2300                 ath6kl_dbg(ATH6KL_DBG_WMI,
2301                            "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2302                            min_phy, nominal_phy);
2303
2304                 params->nominal_phy = nominal_phy;
2305         } else {
2306                 params->nominal_phy = 0;
2307         }
2308
2309         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2310         if (!skb)
2311                 return -ENOMEM;
2312
2313         ath6kl_dbg(ATH6KL_DBG_WMI,
2314                    "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2315                    params->traffic_class, params->tsid);
2316
2317         cmd = (struct wmi_create_pstream_cmd *) skb->data;
2318         memcpy(cmd, params, sizeof(*cmd));
2319
2320         /* This is an implicitly created Fat pipe */
2321         if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2322                 spin_lock_bh(&wmi->lock);
2323                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2324                                         (1 << params->traffic_class));
2325                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2326                 spin_unlock_bh(&wmi->lock);
2327         } else {
2328                 /* explicitly created thin stream within a fat pipe */
2329                 spin_lock_bh(&wmi->lock);
2330                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2331                                         (1 << params->traffic_class));
2332                 wmi->stream_exist_for_ac[params->traffic_class] |=
2333                     (1 << params->tsid);
2334                 /*
2335                  * If a thinstream becomes active, the fat pipe automatically
2336                  * becomes active
2337                  */
2338                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2339                 spin_unlock_bh(&wmi->lock);
2340         }
2341
2342         /*
2343          * Indicate activty change to driver layer only if this is the
2344          * first TSID to get created in this AC explicitly or an implicit
2345          * fat pipe is getting created.
2346          */
2347         if (!fatpipe_exist_for_ac)
2348                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2349                                             params->traffic_class, true);
2350
2351         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2352                                   NO_SYNC_WMIFLAG);
2353         return ret;
2354 }
2355
2356 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2357                                   u8 tsid)
2358 {
2359         struct sk_buff *skb;
2360         struct wmi_delete_pstream_cmd *cmd;
2361         u16 active_tsids = 0;
2362         int ret;
2363
2364         if (traffic_class > 3) {
2365                 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2366                 return -EINVAL;
2367         }
2368
2369         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2370         if (!skb)
2371                 return -ENOMEM;
2372
2373         cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2374         cmd->traffic_class = traffic_class;
2375         cmd->tsid = tsid;
2376
2377         spin_lock_bh(&wmi->lock);
2378         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2379         spin_unlock_bh(&wmi->lock);
2380
2381         if (!(active_tsids & (1 << tsid))) {
2382                 dev_kfree_skb(skb);
2383                 ath6kl_dbg(ATH6KL_DBG_WMI,
2384                            "TSID %d doesn't exist for traffic class: %d\n",
2385                            tsid, traffic_class);
2386                 return -ENODATA;
2387         }
2388
2389         ath6kl_dbg(ATH6KL_DBG_WMI,
2390                    "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2391                    traffic_class, tsid);
2392
2393         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2394                                   SYNC_BEFORE_WMIFLAG);
2395
2396         spin_lock_bh(&wmi->lock);
2397         wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2398         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2399         spin_unlock_bh(&wmi->lock);
2400
2401         /*
2402          * Indicate stream inactivity to driver layer only if all tsids
2403          * within this AC are deleted.
2404          */
2405         if (!active_tsids) {
2406                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2407                                             traffic_class, false);
2408                 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2409         }
2410
2411         return ret;
2412 }
2413
2414 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, struct wmi_set_ip_cmd *ip_cmd)
2415 {
2416         struct sk_buff *skb;
2417         struct wmi_set_ip_cmd *cmd;
2418         int ret;
2419
2420         /* Multicast address are not valid */
2421         if ((*((u8 *) &ip_cmd->ips[0]) >= 0xE0) ||
2422             (*((u8 *) &ip_cmd->ips[1]) >= 0xE0))
2423                 return -EINVAL;
2424
2425         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2426         if (!skb)
2427                 return -ENOMEM;
2428
2429         cmd = (struct wmi_set_ip_cmd *) skb->data;
2430         memcpy(cmd, ip_cmd, sizeof(struct wmi_set_ip_cmd));
2431
2432         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_IP_CMDID,
2433                                   NO_SYNC_WMIFLAG);
2434         return ret;
2435 }
2436
2437 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2438 {
2439         u16 active_tsids;
2440         u8 stream_exist;
2441         int i;
2442
2443         /*
2444          * Relinquish credits from all implicitly created pstreams
2445          * since when we go to sleep. If user created explicit
2446          * thinstreams exists with in a fatpipe leave them intact
2447          * for the user to delete.
2448          */
2449         spin_lock_bh(&wmi->lock);
2450         stream_exist = wmi->fat_pipe_exist;
2451         spin_unlock_bh(&wmi->lock);
2452
2453         for (i = 0; i < WMM_NUM_AC; i++) {
2454                 if (stream_exist & (1 << i)) {
2455
2456                         /*
2457                          * FIXME: Is this lock & unlock inside
2458                          * for loop correct? may need rework.
2459                          */
2460                         spin_lock_bh(&wmi->lock);
2461                         active_tsids = wmi->stream_exist_for_ac[i];
2462                         spin_unlock_bh(&wmi->lock);
2463
2464                         /*
2465                          * If there are no user created thin streams
2466                          * delete the fatpipe
2467                          */
2468                         if (!active_tsids) {
2469                                 stream_exist &= ~(1 << i);
2470                                 /*
2471                                  * Indicate inactivity to driver layer for
2472                                  * this fatpipe (pstream)
2473                                  */
2474                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2475                                                             i, false);
2476                         }
2477                 }
2478         }
2479
2480         /* FIXME: Can we do this assignment without locking ? */
2481         spin_lock_bh(&wmi->lock);
2482         wmi->fat_pipe_exist = stream_exist;
2483         spin_unlock_bh(&wmi->lock);
2484 }
2485
2486 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2487                                        enum ath6kl_host_mode host_mode)
2488 {
2489         struct sk_buff *skb;
2490         struct wmi_set_host_sleep_mode_cmd *cmd;
2491         int ret;
2492
2493         if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2494             (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2495                 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2496                 return -EINVAL;
2497         }
2498
2499         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2500         if (!skb)
2501                 return -ENOMEM;
2502
2503         cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2504
2505         if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2506                 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2507                 cmd->asleep = cpu_to_le32(1);
2508         } else
2509                 cmd->awake = cpu_to_le32(1);
2510
2511         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2512                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2513                                   NO_SYNC_WMIFLAG);
2514         return ret;
2515 }
2516
2517 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2518                                 enum ath6kl_wow_mode wow_mode,
2519                                 u32 filter, u16 host_req_delay)
2520 {
2521         struct sk_buff *skb;
2522         struct wmi_set_wow_mode_cmd *cmd;
2523         int ret;
2524
2525         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2526              wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2527                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2528                 return -EINVAL;
2529         }
2530
2531         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2532         if (!skb)
2533                 return -ENOMEM;
2534
2535         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2536         cmd->enable_wow = cpu_to_le32(wow_mode);
2537         cmd->filter = cpu_to_le32(filter);
2538         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2539
2540         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2541                                   NO_SYNC_WMIFLAG);
2542         return ret;
2543 }
2544
2545 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2546                                    u8 list_id, u8 filter_size,
2547                                    u8 filter_offset, u8 *filter, u8 *mask)
2548 {
2549         struct sk_buff *skb;
2550         struct wmi_add_wow_pattern_cmd *cmd;
2551         u16 size;
2552         u8 *filter_mask;
2553         int ret;
2554
2555         /*
2556          * Allocate additional memory in the buffer to hold
2557          * filter and mask value, which is twice of filter_size.
2558          */
2559         size = sizeof(*cmd) + (2 * filter_size);
2560
2561         skb = ath6kl_wmi_get_new_buf(size);
2562         if (!skb)
2563                 return -ENOMEM;
2564
2565         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2566         cmd->filter_list_id = list_id;
2567         cmd->filter_size = filter_size;
2568         cmd->filter_offset = filter_offset;
2569
2570         memcpy(cmd->filter, filter, filter_size);
2571
2572         filter_mask = (u8 *) (cmd->filter + filter_size);
2573         memcpy(filter_mask, mask, filter_size);
2574
2575         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2576                                   NO_SYNC_WMIFLAG);
2577
2578         return ret;
2579 }
2580
2581 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2582                                    u16 list_id, u16 filter_id)
2583 {
2584         struct sk_buff *skb;
2585         struct wmi_del_wow_pattern_cmd *cmd;
2586         int ret;
2587
2588         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2589         if (!skb)
2590                 return -ENOMEM;
2591
2592         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2593         cmd->filter_list_id = cpu_to_le16(list_id);
2594         cmd->filter_id = cpu_to_le16(filter_id);
2595
2596         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2597                                   NO_SYNC_WMIFLAG);
2598         return ret;
2599 }
2600
2601 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2602                                     enum wmix_command_id cmd_id,
2603                                     enum wmi_sync_flag sync_flag)
2604 {
2605         struct wmix_cmd_hdr *cmd_hdr;
2606         int ret;
2607
2608         skb_push(skb, sizeof(struct wmix_cmd_hdr));
2609
2610         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2611         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2612
2613         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
2614
2615         return ret;
2616 }
2617
2618 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2619 {
2620         struct sk_buff *skb;
2621         struct wmix_hb_challenge_resp_cmd *cmd;
2622         int ret;
2623
2624         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2625         if (!skb)
2626                 return -ENOMEM;
2627
2628         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
2629         cmd->cookie = cpu_to_le32(cookie);
2630         cmd->source = cpu_to_le32(source);
2631
2632         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
2633                                        NO_SYNC_WMIFLAG);
2634         return ret;
2635 }
2636
2637 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
2638 {
2639         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
2640         struct sk_buff *skb;
2641         int ret;
2642
2643         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2644         if (!skb)
2645                 return -ENOMEM;
2646
2647         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
2648         cmd->valid = cpu_to_le32(valid);
2649         cmd->config = cpu_to_le32(config);
2650
2651         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
2652                                        NO_SYNC_WMIFLAG);
2653         return ret;
2654 }
2655
2656 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
2657 {
2658         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
2659 }
2660
2661 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
2662 {
2663         struct sk_buff *skb;
2664         struct wmi_set_tx_pwr_cmd *cmd;
2665         int ret;
2666
2667         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
2668         if (!skb)
2669                 return -ENOMEM;
2670
2671         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
2672         cmd->dbM = dbM;
2673
2674         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
2675                                   NO_SYNC_WMIFLAG);
2676
2677         return ret;
2678 }
2679
2680 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
2681 {
2682         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
2683 }
2684
2685 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
2686 {
2687         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
2688 }
2689
2690 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
2691                                  u8 preamble_policy)
2692 {
2693         struct sk_buff *skb;
2694         struct wmi_set_lpreamble_cmd *cmd;
2695         int ret;
2696
2697         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
2698         if (!skb)
2699                 return -ENOMEM;
2700
2701         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
2702         cmd->status = status;
2703         cmd->preamble_policy = preamble_policy;
2704
2705         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
2706                                   NO_SYNC_WMIFLAG);
2707         return ret;
2708 }
2709
2710 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
2711 {
2712         struct sk_buff *skb;
2713         struct wmi_set_rts_cmd *cmd;
2714         int ret;
2715
2716         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
2717         if (!skb)
2718                 return -ENOMEM;
2719
2720         cmd = (struct wmi_set_rts_cmd *) skb->data;
2721         cmd->threshold = cpu_to_le16(threshold);
2722
2723         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
2724                                   NO_SYNC_WMIFLAG);
2725         return ret;
2726 }
2727
2728 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
2729 {
2730         struct sk_buff *skb;
2731         struct wmi_set_wmm_txop_cmd *cmd;
2732         int ret;
2733
2734         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
2735                 return -EINVAL;
2736
2737         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
2738         if (!skb)
2739                 return -ENOMEM;
2740
2741         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
2742         cmd->txop_enable = cfg;
2743
2744         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
2745                                   NO_SYNC_WMIFLAG);
2746         return ret;
2747 }
2748
2749 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
2750                                  u8 keep_alive_intvl)
2751 {
2752         struct sk_buff *skb;
2753         struct wmi_set_keepalive_cmd *cmd;
2754         int ret;
2755
2756         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2757         if (!skb)
2758                 return -ENOMEM;
2759
2760         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
2761         cmd->keep_alive_intvl = keep_alive_intvl;
2762
2763         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
2764                                   NO_SYNC_WMIFLAG);
2765
2766         if (ret == 0)
2767                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
2768
2769         return ret;
2770 }
2771
2772 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
2773 {
2774         struct sk_buff *skb;
2775         int ret;
2776
2777         skb = ath6kl_wmi_get_new_buf(len);
2778         if (!skb)
2779                 return -ENOMEM;
2780
2781         memcpy(skb->data, buf, len);
2782
2783         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
2784
2785         return ret;
2786 }
2787
2788
2789 s32 ath6kl_wmi_get_rate(s8 rate_index)
2790 {
2791         if (rate_index == RATE_AUTO)
2792                 return 0;
2793
2794         return wmi_rate_tbl[(u32) rate_index][0];
2795 }
2796
2797 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
2798                                               u32 len)
2799 {
2800         struct wmi_pmkid_list_reply *reply;
2801         u32 expected_len;
2802
2803         if (len < sizeof(struct wmi_pmkid_list_reply))
2804                 return -EINVAL;
2805
2806         reply = (struct wmi_pmkid_list_reply *)datap;
2807         expected_len = sizeof(reply->num_pmkid) +
2808                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
2809
2810         if (len < expected_len)
2811                 return -EINVAL;
2812
2813         return 0;
2814 }
2815
2816 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2817                                          struct ath6kl_vif *vif)
2818 {
2819         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
2820
2821         aggr_recv_addba_req_evt(vif, cmd->tid,
2822                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
2823
2824         return 0;
2825 }
2826
2827 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2828                                          struct ath6kl_vif *vif)
2829 {
2830         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
2831
2832         aggr_recv_delba_req_evt(vif, cmd->tid);
2833
2834         return 0;
2835 }
2836
2837 /*  AP mode functions */
2838
2839 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
2840                                  struct wmi_connect_cmd *p)
2841 {
2842         struct sk_buff *skb;
2843         struct wmi_connect_cmd *cm;
2844         int res;
2845
2846         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
2847         if (!skb)
2848                 return -ENOMEM;
2849
2850         cm = (struct wmi_connect_cmd *) skb->data;
2851         memcpy(cm, p, sizeof(*cm));
2852
2853         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
2854                                   NO_SYNC_WMIFLAG);
2855         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: nw_type=%u auth_mode=%u ch=%u "
2856                    "ctrl_flags=0x%x-> res=%d\n",
2857                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
2858                    le32_to_cpu(p->ctrl_flags), res);
2859         return res;
2860 }
2861
2862 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
2863                            u16 reason)
2864 {
2865         struct sk_buff *skb;
2866         struct wmi_ap_set_mlme_cmd *cm;
2867
2868         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
2869         if (!skb)
2870                 return -ENOMEM;
2871
2872         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
2873         memcpy(cm->mac, mac, ETH_ALEN);
2874         cm->reason = cpu_to_le16(reason);
2875         cm->cmd = cmd;
2876
2877         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
2878                                    NO_SYNC_WMIFLAG);
2879 }
2880
2881 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
2882                                       struct ath6kl_vif *vif)
2883 {
2884         struct wmi_pspoll_event *ev;
2885
2886         if (len < sizeof(struct wmi_pspoll_event))
2887                 return -EINVAL;
2888
2889         ev = (struct wmi_pspoll_event *) datap;
2890
2891         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
2892
2893         return 0;
2894 }
2895
2896 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
2897                                           struct ath6kl_vif *vif)
2898 {
2899         ath6kl_dtimexpiry_event(vif);
2900
2901         return 0;
2902 }
2903
2904 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
2905                            bool flag)
2906 {
2907         struct sk_buff *skb;
2908         struct wmi_ap_set_pvb_cmd *cmd;
2909         int ret;
2910
2911         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
2912         if (!skb)
2913                 return -ENOMEM;
2914
2915         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
2916         cmd->aid = cpu_to_le16(aid);
2917         cmd->rsvd = cpu_to_le16(0);
2918         cmd->flag = cpu_to_le32(flag);
2919
2920         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
2921                                   NO_SYNC_WMIFLAG);
2922
2923         return 0;
2924 }
2925
2926 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
2927                                        u8 rx_meta_ver,
2928                                        bool rx_dot11_hdr, bool defrag_on_host)
2929 {
2930         struct sk_buff *skb;
2931         struct wmi_rx_frame_format_cmd *cmd;
2932         int ret;
2933
2934         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2935         if (!skb)
2936                 return -ENOMEM;
2937
2938         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
2939         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
2940         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
2941         cmd->meta_ver = rx_meta_ver;
2942
2943         /* Delete the local aggr state, on host */
2944         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
2945                                   NO_SYNC_WMIFLAG);
2946
2947         return ret;
2948 }
2949
2950 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
2951                              const u8 *ie, u8 ie_len)
2952 {
2953         struct sk_buff *skb;
2954         struct wmi_set_appie_cmd *p;
2955
2956         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
2957         if (!skb)
2958                 return -ENOMEM;
2959
2960         ath6kl_dbg(ATH6KL_DBG_WMI, "set_appie_cmd: mgmt_frm_type=%u "
2961                    "ie_len=%u\n", mgmt_frm_type, ie_len);
2962         p = (struct wmi_set_appie_cmd *) skb->data;
2963         p->mgmt_frm_type = mgmt_frm_type;
2964         p->ie_len = ie_len;
2965
2966         if (ie != NULL && ie_len > 0)
2967                 memcpy(p->ie_info, ie, ie_len);
2968
2969         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
2970                                    NO_SYNC_WMIFLAG);
2971 }
2972
2973 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
2974 {
2975         struct sk_buff *skb;
2976         struct wmi_disable_11b_rates_cmd *cmd;
2977
2978         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2979         if (!skb)
2980                 return -ENOMEM;
2981
2982         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
2983                    disable);
2984         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
2985         cmd->disable = disable ? 1 : 0;
2986
2987         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
2988                                    NO_SYNC_WMIFLAG);
2989 }
2990
2991 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
2992 {
2993         struct sk_buff *skb;
2994         struct wmi_remain_on_chnl_cmd *p;
2995
2996         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
2997         if (!skb)
2998                 return -ENOMEM;
2999
3000         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3001                    freq, dur);
3002         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3003         p->freq = cpu_to_le32(freq);
3004         p->duration = cpu_to_le32(dur);
3005         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3006                                    NO_SYNC_WMIFLAG);
3007 }
3008
3009 int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3010                                u32 wait, const u8 *data, u16 data_len)
3011 {
3012         struct sk_buff *skb;
3013         struct wmi_send_action_cmd *p;
3014         u8 *buf;
3015
3016         if (wait)
3017                 return -EINVAL; /* Offload for wait not supported */
3018
3019         buf = kmalloc(data_len, GFP_KERNEL);
3020         if (!buf)
3021                 return -ENOMEM;
3022
3023         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3024         if (!skb) {
3025                 kfree(buf);
3026                 return -ENOMEM;
3027         }
3028
3029         kfree(wmi->last_mgmt_tx_frame);
3030         memcpy(buf, data, data_len);
3031         wmi->last_mgmt_tx_frame = buf;
3032         wmi->last_mgmt_tx_frame_len = data_len;
3033
3034         ath6kl_dbg(ATH6KL_DBG_WMI, "send_action_cmd: id=%u freq=%u wait=%u "
3035                    "len=%u\n", id, freq, wait, data_len);
3036         p = (struct wmi_send_action_cmd *) skb->data;
3037         p->id = cpu_to_le32(id);
3038         p->freq = cpu_to_le32(freq);
3039         p->wait = cpu_to_le32(wait);
3040         p->len = cpu_to_le16(data_len);
3041         memcpy(p->data, data, data_len);
3042         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3043                                    NO_SYNC_WMIFLAG);
3044 }
3045
3046 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3047                                        const u8 *dst, const u8 *data,
3048                                        u16 data_len)
3049 {
3050         struct sk_buff *skb;
3051         struct wmi_p2p_probe_response_cmd *p;
3052         size_t cmd_len = sizeof(*p) + data_len;
3053
3054         if (data_len == 0)
3055                 cmd_len++; /* work around target minimum length requirement */
3056
3057         skb = ath6kl_wmi_get_new_buf(cmd_len);
3058         if (!skb)
3059                 return -ENOMEM;
3060
3061         ath6kl_dbg(ATH6KL_DBG_WMI, "send_probe_response_cmd: freq=%u dst=%pM "
3062                    "len=%u\n", freq, dst, data_len);
3063         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3064         p->freq = cpu_to_le32(freq);
3065         memcpy(p->destination_addr, dst, ETH_ALEN);
3066         p->len = cpu_to_le16(data_len);
3067         memcpy(p->data, data, data_len);
3068         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3069                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3070                                    NO_SYNC_WMIFLAG);
3071 }
3072
3073 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3074 {
3075         struct sk_buff *skb;
3076         struct wmi_probe_req_report_cmd *p;
3077
3078         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3079         if (!skb)
3080                 return -ENOMEM;
3081
3082         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3083                    enable);
3084         p = (struct wmi_probe_req_report_cmd *) skb->data;
3085         p->enable = enable ? 1 : 0;
3086         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3087                                    NO_SYNC_WMIFLAG);
3088 }
3089
3090 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3091 {
3092         struct sk_buff *skb;
3093         struct wmi_get_p2p_info *p;
3094
3095         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3096         if (!skb)
3097                 return -ENOMEM;
3098
3099         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3100                    info_req_flags);
3101         p = (struct wmi_get_p2p_info *) skb->data;
3102         p->info_req_flags = cpu_to_le32(info_req_flags);
3103         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3104                                    NO_SYNC_WMIFLAG);
3105 }
3106
3107 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3108 {
3109         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3110         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3111                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3112 }
3113
3114 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3115 {
3116         struct wmix_cmd_hdr *cmd;
3117         u32 len;
3118         u16 id;
3119         u8 *datap;
3120         int ret = 0;
3121
3122         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3123                 ath6kl_err("bad packet 1\n");
3124                 return -EINVAL;
3125         }
3126
3127         cmd = (struct wmix_cmd_hdr *) skb->data;
3128         id = le32_to_cpu(cmd->cmd_id);
3129
3130         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3131
3132         datap = skb->data;
3133         len = skb->len;
3134
3135         switch (id) {
3136         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3137                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3138                 break;
3139         case WMIX_DBGLOG_EVENTID:
3140                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3141                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3142                 break;
3143         default:
3144                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3145                 ret = -EINVAL;
3146                 break;
3147         }
3148
3149         return ret;
3150 }
3151
3152 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3153 {
3154         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3155 }
3156
3157 /* Control Path */
3158 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
3159 {
3160         struct wmi_cmd_hdr *cmd;
3161         struct ath6kl_vif *vif;
3162         u32 len;
3163         u16 id;
3164         u8 if_idx;
3165         u8 *datap;
3166         int ret = 0;
3167
3168         if (WARN_ON(skb == NULL))
3169                 return -EINVAL;
3170
3171         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
3172                 ath6kl_err("bad packet 1\n");
3173                 dev_kfree_skb(skb);
3174                 return -EINVAL;
3175         }
3176
3177         cmd = (struct wmi_cmd_hdr *) skb->data;
3178         id = le16_to_cpu(cmd->cmd_id);
3179         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3180
3181         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3182
3183         datap = skb->data;
3184         len = skb->len;
3185
3186         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3187         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3188                         datap, len);
3189
3190         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3191         if (!vif) {
3192                 ath6kl_dbg(ATH6KL_DBG_WMI,
3193                            "Wmi event for unavailable vif, vif_index:%d\n",
3194                             if_idx);
3195                 dev_kfree_skb(skb);
3196                 return -EINVAL;
3197         }
3198
3199         switch (id) {
3200         case WMI_GET_BITRATE_CMDID:
3201                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3202                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3203                 break;
3204         case WMI_GET_CHANNEL_LIST_CMDID:
3205                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3206                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3207                 break;
3208         case WMI_GET_TX_PWR_CMDID:
3209                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3210                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3211                 break;
3212         case WMI_READY_EVENTID:
3213                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3214                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3215                 break;
3216         case WMI_CONNECT_EVENTID:
3217                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3218                 ret = ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3219                 break;
3220         case WMI_DISCONNECT_EVENTID:
3221                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3222                 ret = ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3223                 break;
3224         case WMI_PEER_NODE_EVENTID:
3225                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3226                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
3227                 break;
3228         case WMI_TKIP_MICERR_EVENTID:
3229                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3230                 ret = ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3231                 break;
3232         case WMI_BSSINFO_EVENTID:
3233                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3234                 ret = ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3235                 break;
3236         case WMI_REGDOMAIN_EVENTID:
3237                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
3238                 ath6kl_wmi_regdomain_event(wmi, datap, len);
3239                 break;
3240         case WMI_PSTREAM_TIMEOUT_EVENTID:
3241                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
3242                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
3243                 break;
3244         case WMI_NEIGHBOR_REPORT_EVENTID:
3245                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3246                 ret = ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3247                                                           vif);
3248                 break;
3249         case WMI_SCAN_COMPLETE_EVENTID:
3250                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3251                 ret = ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3252                 break;
3253         case WMI_CMDERROR_EVENTID:
3254                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
3255                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
3256                 break;
3257         case WMI_REPORT_STATISTICS_EVENTID:
3258                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3259                 ret = ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3260                 break;
3261         case WMI_RSSI_THRESHOLD_EVENTID:
3262                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
3263                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
3264                 break;
3265         case WMI_ERROR_REPORT_EVENTID:
3266                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
3267                 break;
3268         case WMI_OPT_RX_FRAME_EVENTID:
3269                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
3270                 /* this event has been deprecated */
3271                 break;
3272         case WMI_REPORT_ROAM_TBL_EVENTID:
3273                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
3274                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
3275                 break;
3276         case WMI_EXTENSION_EVENTID:
3277                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
3278                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
3279                 break;
3280         case WMI_CAC_EVENTID:
3281                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3282                 ret = ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3283                 break;
3284         case WMI_CHANNEL_CHANGE_EVENTID:
3285                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
3286                 break;
3287         case WMI_REPORT_ROAM_DATA_EVENTID:
3288                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
3289                 break;
3290         case WMI_TEST_EVENTID:
3291                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
3292                 ret = ath6kl_wmi_tcmd_test_report_rx(wmi, datap, len);
3293                 break;
3294         case WMI_GET_FIXRATES_CMDID:
3295                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
3296                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
3297                 break;
3298         case WMI_TX_RETRY_ERR_EVENTID:
3299                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
3300                 break;
3301         case WMI_SNR_THRESHOLD_EVENTID:
3302                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
3303                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
3304                 break;
3305         case WMI_LQ_THRESHOLD_EVENTID:
3306                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
3307                 break;
3308         case WMI_APLIST_EVENTID:
3309                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
3310                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
3311                 break;
3312         case WMI_GET_KEEPALIVE_CMDID:
3313                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
3314                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
3315                 break;
3316         case WMI_GET_WOW_LIST_EVENTID:
3317                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
3318                 break;
3319         case WMI_GET_PMKID_LIST_EVENTID:
3320                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
3321                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
3322                 break;
3323         case WMI_PSPOLL_EVENTID:
3324                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3325                 ret = ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3326                 break;
3327         case WMI_DTIMEXPIRY_EVENTID:
3328                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3329                 ret = ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3330                 break;
3331         case WMI_SET_PARAMS_REPLY_EVENTID:
3332                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
3333                 break;
3334         case WMI_ADDBA_REQ_EVENTID:
3335                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3336                 ret = ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3337                 break;
3338         case WMI_ADDBA_RESP_EVENTID:
3339                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
3340                 break;
3341         case WMI_DELBA_REQ_EVENTID:
3342                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3343                 ret = ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3344                 break;
3345         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
3346                 ath6kl_dbg(ATH6KL_DBG_WMI,
3347                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
3348                 break;
3349         case WMI_REPORT_BTCOEX_STATS_EVENTID:
3350                 ath6kl_dbg(ATH6KL_DBG_WMI,
3351                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
3352                 break;
3353         case WMI_TX_COMPLETE_EVENTID:
3354                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
3355                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
3356                 break;
3357         case WMI_REMAIN_ON_CHNL_EVENTID:
3358                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3359                 ret = ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3360                 break;
3361         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3362                 ath6kl_dbg(ATH6KL_DBG_WMI,
3363                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3364                 ret = ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3365                                                                 len, vif);
3366                 break;
3367         case WMI_TX_STATUS_EVENTID:
3368                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3369                 ret = ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3370                 break;
3371         case WMI_RX_PROBE_REQ_EVENTID:
3372                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3373                 ret = ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3374                 break;
3375         case WMI_P2P_CAPABILITIES_EVENTID:
3376                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
3377                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
3378                 break;
3379         case WMI_RX_ACTION_EVENTID:
3380                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3381                 ret = ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3382                 break;
3383         case WMI_P2P_INFO_EVENTID:
3384                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
3385                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
3386                 break;
3387         default:
3388                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", id);
3389                 ret = -EINVAL;
3390                 break;
3391         }
3392
3393         dev_kfree_skb(skb);
3394
3395         return ret;
3396 }
3397
3398 void ath6kl_wmi_reset(struct wmi *wmi)
3399 {
3400         spin_lock_bh(&wmi->lock);
3401
3402         wmi->fat_pipe_exist = 0;
3403         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
3404
3405         spin_unlock_bh(&wmi->lock);
3406 }
3407
3408 void *ath6kl_wmi_init(struct ath6kl *dev)
3409 {
3410         struct wmi *wmi;
3411
3412         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
3413         if (!wmi)
3414                 return NULL;
3415
3416         spin_lock_init(&wmi->lock);
3417
3418         wmi->parent_dev = dev;
3419
3420         wmi->pwr_mode = REC_POWER;
3421
3422         ath6kl_wmi_reset(wmi);
3423
3424         return wmi;
3425 }
3426
3427 void ath6kl_wmi_shutdown(struct wmi *wmi)
3428 {
3429         if (!wmi)
3430                 return;
3431
3432         kfree(wmi->last_mgmt_tx_frame);
3433         kfree(wmi);
3434 }