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 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
 981                                        struct ath6kl_vif *vif)
 982 {
 983         struct wmi_bss_info_hdr2 *bih;
 984         u8 *buf;
 985         struct ieee80211_channel *channel;
 986         struct ath6kl *ar = wmi->parent_dev;
 987         struct ieee80211_mgmt *mgmt;
 988         struct cfg80211_bss *bss;
 989
 990         if (len <= sizeof(struct wmi_bss_info_hdr2))
 991                 return -EINVAL;
 992
 993         bih = (struct wmi_bss_info_hdr2 *) datap;
 994         buf = datap + sizeof(struct wmi_bss_info_hdr2);
 995         len -= sizeof(struct wmi_bss_info_hdr2);
 996
 997         ath6kl_dbg(ATH6KL_DBG_WMI,
 998                    "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
 999                    "frame_type=%d\n",
1000                    bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1001                    bih->frame_type);
1002
1003         if (bih->frame_type != BEACON_FTYPE &&
1004             bih->frame_type != PROBERESP_FTYPE)
1005                 return 0; /* Only update BSS table for now */
1006
1007         if (bih->frame_type == BEACON_FTYPE &&
1008             test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1009                 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1010                 ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1011                                          NONE_BSS_FILTER, 0);
1012         }
1013
1014         channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1015         if (channel == NULL)
1016                 return -EINVAL;
1017
1018         if (len < 8 + 2 + 2)
1019                 return -EINVAL;
1020
1021         if (bih->frame_type == BEACON_FTYPE && test_bit(CONNECTED, &vif->flags)
1022             && memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1023                 const u8 *tim;
1024                 tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1025                                        len - 8 - 2 - 2);
1026                 if (tim && tim[1] >= 2) {
1027                         vif->assoc_bss_dtim_period = tim[3];
1028                         set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1029                 }
1030         }
1031
1032         /*
1033          * In theory, use of cfg80211_inform_bss() would be more natural here
1034          * since we do not have the full frame. However, at least for now,
1035          * cfg80211 can only distinguish Beacon and Probe Response frames from
1036          * each other when using cfg80211_inform_bss_frame(), so let's build a
1037          * fake IEEE 802.11 header to be able to take benefit of this.
1038          */
1039         mgmt = kmalloc(24 + len, GFP_ATOMIC);
1040         if (mgmt == NULL)
1041                 return -EINVAL;
1042
1043         if (bih->frame_type == BEACON_FTYPE) {
1044                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1045                                                   IEEE80211_STYPE_BEACON);
1046                 memset(mgmt->da, 0xff, ETH_ALEN);
1047         } else {
1048                 struct net_device *dev = vif->ndev;
1049
1050                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1051                                                   IEEE80211_STYPE_PROBE_RESP);
1052                 memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
1053         }
1054         mgmt->duration = cpu_to_le16(0);
1055         memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
1056         memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
1057         mgmt->seq_ctrl = cpu_to_le16(0);
1058
1059         memcpy(&mgmt->u.beacon, buf, len);
1060
1061         bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
1062                                         24 + len, (bih->snr - 95) * 100,
1063                                         GFP_ATOMIC);
1064         kfree(mgmt);
1065         if (bss == NULL)
1066                 return -ENOMEM;
1067         cfg80211_put_bss(bss);
1068
1069         return 0;
1070 }
1071
1072 /* Inactivity timeout of a fatpipe(pstream) at the target */
1073 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1074                                                int len)
1075 {
1076         struct wmi_pstream_timeout_event *ev;
1077
1078         if (len < sizeof(struct wmi_pstream_timeout_event))
1079                 return -EINVAL;
1080
1081         ev = (struct wmi_pstream_timeout_event *) datap;
1082
1083         /*
1084          * When the pstream (fat pipe == AC) timesout, it means there were
1085          * no thinStreams within this pstream & it got implicitly created
1086          * due to data flow on this AC. We start the inactivity timer only
1087          * for implicitly created pstream. Just reset the host state.
1088          */
1089         spin_lock_bh(&wmi->lock);
1090         wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1091         wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1092         spin_unlock_bh(&wmi->lock);
1093
1094         /* Indicate inactivity to driver layer for this fatpipe (pstream) */
1095         ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1096
1097         return 0;
1098 }
1099
1100 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1101 {
1102         struct wmi_bit_rate_reply *reply;
1103         s32 rate;
1104         u32 sgi, index;
1105
1106         if (len < sizeof(struct wmi_bit_rate_reply))
1107                 return -EINVAL;
1108
1109         reply = (struct wmi_bit_rate_reply *) datap;
1110
1111         ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1112
1113         if (reply->rate_index == (s8) RATE_AUTO) {
1114                 rate = RATE_AUTO;
1115         } else {
1116                 index = reply->rate_index & 0x7f;
1117                 sgi = (reply->rate_index & 0x80) ? 1 : 0;
1118                 rate = wmi_rate_tbl[index][sgi];
1119         }
1120
1121         ath6kl_wakeup_event(wmi->parent_dev);
1122
1123         return 0;
1124 }
1125
1126 static int ath6kl_wmi_tcmd_test_report_rx(struct wmi *wmi, u8 *datap, int len)
1127 {
1128         ath6kl_tm_rx_report_event(wmi->parent_dev, datap, len);
1129
1130         return 0;
1131 }
1132
1133 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1134 {
1135         if (len < sizeof(struct wmi_fix_rates_reply))
1136                 return -EINVAL;
1137
1138         ath6kl_wakeup_event(wmi->parent_dev);
1139
1140         return 0;
1141 }
1142
1143 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1144 {
1145         if (len < sizeof(struct wmi_channel_list_reply))
1146                 return -EINVAL;
1147
1148         ath6kl_wakeup_event(wmi->parent_dev);
1149
1150         return 0;
1151 }
1152
1153 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1154 {
1155         struct wmi_tx_pwr_reply *reply;
1156
1157         if (len < sizeof(struct wmi_tx_pwr_reply))
1158                 return -EINVAL;
1159
1160         reply = (struct wmi_tx_pwr_reply *) datap;
1161         ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1162
1163         return 0;
1164 }
1165
1166 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1167 {
1168         if (len < sizeof(struct wmi_get_keepalive_cmd))
1169                 return -EINVAL;
1170
1171         ath6kl_wakeup_event(wmi->parent_dev);
1172
1173         return 0;
1174 }
1175
1176 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1177                                        struct ath6kl_vif *vif)
1178 {
1179         struct wmi_scan_complete_event *ev;
1180
1181         ev = (struct wmi_scan_complete_event *) datap;
1182
1183         ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1184         wmi->is_probe_ssid = false;
1185
1186         return 0;
1187 }
1188
1189 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1190                                                int len, struct ath6kl_vif *vif)
1191 {
1192         struct wmi_neighbor_report_event *ev;
1193         u8 i;
1194
1195         if (len < sizeof(*ev))
1196                 return -EINVAL;
1197         ev = (struct wmi_neighbor_report_event *) datap;
1198         if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1199             > len) {
1200                 ath6kl_dbg(ATH6KL_DBG_WMI, "truncated neighbor event "
1201                            "(num=%d len=%d)\n", ev->num_neighbors, len);
1202                 return -EINVAL;
1203         }
1204         for (i = 0; i < ev->num_neighbors; i++) {
1205                 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1206                            i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1207                            ev->neighbor[i].bss_flags);
1208                 cfg80211_pmksa_candidate_notify(vif->ndev, i,
1209                                                 ev->neighbor[i].bssid,
1210                                                 !!(ev->neighbor[i].bss_flags &
1211                                                    WMI_PREAUTH_CAPABLE_BSS),
1212                                                 GFP_ATOMIC);
1213         }
1214
1215         return 0;
1216 }
1217
1218 /*
1219  * Target is reporting a programming error.  This is for
1220  * developer aid only.  Target only checks a few common violations
1221  * and it is responsibility of host to do all error checking.
1222  * Behavior of target after wmi error event is undefined.
1223  * A reset is recommended.
1224  */
1225 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1226 {
1227         const char *type = "unknown error";
1228         struct wmi_cmd_error_event *ev;
1229         ev = (struct wmi_cmd_error_event *) datap;
1230
1231         switch (ev->err_code) {
1232         case INVALID_PARAM:
1233                 type = "invalid parameter";
1234                 break;
1235         case ILLEGAL_STATE:
1236                 type = "invalid state";
1237                 break;
1238         case INTERNAL_ERROR:
1239                 type = "internal error";
1240                 break;
1241         }
1242
1243         ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1244                    ev->cmd_id, type);
1245
1246         return 0;
1247 }
1248
1249 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1250                                      struct ath6kl_vif *vif)
1251 {
1252         ath6kl_tgt_stats_event(vif, datap, len);
1253
1254         return 0;
1255 }
1256
1257 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1258                                          struct sq_threshold_params *sq_thresh,
1259                                          u32 size)
1260 {
1261         u32 index;
1262         u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1263
1264         /* The list is already in sorted order. Get the next lower value */
1265         for (index = 0; index < size; index++) {
1266                 if (rssi < sq_thresh->upper_threshold[index]) {
1267                         threshold = (u8) sq_thresh->upper_threshold[index];
1268                         break;
1269                 }
1270         }
1271
1272         return threshold;
1273 }
1274
1275 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1276                                          struct sq_threshold_params *sq_thresh,
1277                                          u32 size)
1278 {
1279         u32 index;
1280         u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1281
1282         /* The list is already in sorted order. Get the next lower value */
1283         for (index = 0; index < size; index++) {
1284                 if (rssi > sq_thresh->lower_threshold[index]) {
1285                         threshold = (u8) sq_thresh->lower_threshold[index];
1286                         break;
1287                 }
1288         }
1289
1290         return threshold;
1291 }
1292
1293 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1294                         struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1295 {
1296         struct sk_buff *skb;
1297         struct wmi_rssi_threshold_params_cmd *cmd;
1298
1299         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1300         if (!skb)
1301                 return -ENOMEM;
1302
1303         cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1304         memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1305
1306         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1307                                    NO_SYNC_WMIFLAG);
1308 }
1309
1310 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1311                                               int len)
1312 {
1313         struct wmi_rssi_threshold_event *reply;
1314         struct wmi_rssi_threshold_params_cmd cmd;
1315         struct sq_threshold_params *sq_thresh;
1316         enum wmi_rssi_threshold_val new_threshold;
1317         u8 upper_rssi_threshold, lower_rssi_threshold;
1318         s16 rssi;
1319         int ret;
1320
1321         if (len < sizeof(struct wmi_rssi_threshold_event))
1322                 return -EINVAL;
1323
1324         reply = (struct wmi_rssi_threshold_event *) datap;
1325         new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1326         rssi = a_sle16_to_cpu(reply->rssi);
1327
1328         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1329
1330         /*
1331          * Identify the threshold breached and communicate that to the app.
1332          * After that install a new set of thresholds based on the signal
1333          * quality reported by the target
1334          */
1335         if (new_threshold) {
1336                 /* Upper threshold breached */
1337                 if (rssi < sq_thresh->upper_threshold[0]) {
1338                         ath6kl_dbg(ATH6KL_DBG_WMI,
1339                                 "spurious upper rssi threshold event: %d\n",
1340                                 rssi);
1341                 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1342                            (rssi >= sq_thresh->upper_threshold[0])) {
1343                         new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1344                 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1345                            (rssi >= sq_thresh->upper_threshold[1])) {
1346                         new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1347                 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1348                            (rssi >= sq_thresh->upper_threshold[2])) {
1349                         new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1350                 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1351                            (rssi >= sq_thresh->upper_threshold[3])) {
1352                         new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1353                 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1354                            (rssi >= sq_thresh->upper_threshold[4])) {
1355                         new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1356                 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1357                         new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1358                 }
1359         } else {
1360                 /* Lower threshold breached */
1361                 if (rssi > sq_thresh->lower_threshold[0]) {
1362                         ath6kl_dbg(ATH6KL_DBG_WMI,
1363                                 "spurious lower rssi threshold event: %d %d\n",
1364                                 rssi, sq_thresh->lower_threshold[0]);
1365                 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1366                            (rssi <= sq_thresh->lower_threshold[0])) {
1367                         new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1368                 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1369                            (rssi <= sq_thresh->lower_threshold[1])) {
1370                         new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1371                 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1372                            (rssi <= sq_thresh->lower_threshold[2])) {
1373                         new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1374                 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1375                            (rssi <= sq_thresh->lower_threshold[3])) {
1376                         new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1377                 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1378                            (rssi <= sq_thresh->lower_threshold[4])) {
1379                         new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1380                 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1381                         new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1382                 }
1383         }
1384
1385         /* Calculate and install the next set of thresholds */
1386         lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1387                                        sq_thresh->lower_threshold_valid_count);
1388         upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1389                                        sq_thresh->upper_threshold_valid_count);
1390
1391         /* Issue a wmi command to install the thresholds */
1392         cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1393         cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1394         cmd.weight = sq_thresh->weight;
1395         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1396
1397         ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1398         if (ret) {
1399                 ath6kl_err("unable to configure rssi thresholds\n");
1400                 return -EIO;
1401         }
1402
1403         return 0;
1404 }
1405
1406 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1407                                    struct ath6kl_vif *vif)
1408 {
1409         struct wmi_cac_event *reply;
1410         struct ieee80211_tspec_ie *ts;
1411         u16 active_tsids, tsinfo;
1412         u8 tsid, index;
1413         u8 ts_id;
1414
1415         if (len < sizeof(struct wmi_cac_event))
1416                 return -EINVAL;
1417
1418         reply = (struct wmi_cac_event *) datap;
1419
1420         if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1421             (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1422
1423                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1424                 tsinfo = le16_to_cpu(ts->tsinfo);
1425                 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1426                         IEEE80211_WMM_IE_TSPEC_TID_MASK;
1427
1428                 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1429                                               reply->ac, tsid);
1430         } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1431                 /*
1432                  * Following assumes that there is only one outstanding
1433                  * ADDTS request when this event is received
1434                  */
1435                 spin_lock_bh(&wmi->lock);
1436                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1437                 spin_unlock_bh(&wmi->lock);
1438
1439                 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1440                         if ((active_tsids >> index) & 1)
1441                                 break;
1442                 }
1443                 if (index < (sizeof(active_tsids) * 8))
1444                         ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1445                                                       reply->ac, index);
1446         }
1447
1448         /*
1449          * Clear active tsids and Add missing handling
1450          * for delete qos stream from AP
1451          */
1452         else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1453
1454                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1455                 tsinfo = le16_to_cpu(ts->tsinfo);
1456                 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1457                          IEEE80211_WMM_IE_TSPEC_TID_MASK);
1458
1459                 spin_lock_bh(&wmi->lock);
1460                 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1461                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1462                 spin_unlock_bh(&wmi->lock);
1463
1464                 /* Indicate stream inactivity to driver layer only if all tsids
1465                  * within this AC are deleted.
1466                  */
1467                 if (!active_tsids) {
1468                         ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1469                                                     false);
1470                         wmi->fat_pipe_exist &= ~(1 << reply->ac);
1471                 }
1472         }
1473
1474         return 0;
1475 }
1476
1477 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1478                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1479 {
1480         struct sk_buff *skb;
1481         struct wmi_snr_threshold_params_cmd *cmd;
1482
1483         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1484         if (!skb)
1485                 return -ENOMEM;
1486
1487         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1488         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1489
1490         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1491                                    NO_SYNC_WMIFLAG);
1492 }
1493
1494 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1495                                              int len)
1496 {
1497         struct wmi_snr_threshold_event *reply;
1498         struct sq_threshold_params *sq_thresh;
1499         struct wmi_snr_threshold_params_cmd cmd;
1500         enum wmi_snr_threshold_val new_threshold;
1501         u8 upper_snr_threshold, lower_snr_threshold;
1502         s16 snr;
1503         int ret;
1504
1505         if (len < sizeof(struct wmi_snr_threshold_event))
1506                 return -EINVAL;
1507
1508         reply = (struct wmi_snr_threshold_event *) datap;
1509
1510         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1511         snr = reply->snr;
1512
1513         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1514
1515         /*
1516          * Identify the threshold breached and communicate that to the app.
1517          * After that install a new set of thresholds based on the signal
1518          * quality reported by the target.
1519          */
1520         if (new_threshold) {
1521                 /* Upper threshold breached */
1522                 if (snr < sq_thresh->upper_threshold[0]) {
1523                         ath6kl_dbg(ATH6KL_DBG_WMI,
1524                                 "spurious upper snr threshold event: %d\n",
1525                                 snr);
1526                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1527                            (snr >= sq_thresh->upper_threshold[0])) {
1528                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1529                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1530                            (snr >= sq_thresh->upper_threshold[1])) {
1531                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1532                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1533                            (snr >= sq_thresh->upper_threshold[2])) {
1534                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1535                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1536                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1537                 }
1538         } else {
1539                 /* Lower threshold breached */
1540                 if (snr > sq_thresh->lower_threshold[0]) {
1541                         ath6kl_dbg(ATH6KL_DBG_WMI,
1542                                 "spurious lower snr threshold event: %d\n",
1543                                 sq_thresh->lower_threshold[0]);
1544                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1545                            (snr <= sq_thresh->lower_threshold[0])) {
1546                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1547                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1548                            (snr <= sq_thresh->lower_threshold[1])) {
1549                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1550                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1551                            (snr <= sq_thresh->lower_threshold[2])) {
1552                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1553                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1554                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1555                 }
1556         }
1557
1558         /* Calculate and install the next set of thresholds */
1559         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1560                                        sq_thresh->lower_threshold_valid_count);
1561         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1562                                        sq_thresh->upper_threshold_valid_count);
1563
1564         /* Issue a wmi command to install the thresholds */
1565         cmd.thresh_above1_val = upper_snr_threshold;
1566         cmd.thresh_below1_val = lower_snr_threshold;
1567         cmd.weight = sq_thresh->weight;
1568         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1569
1570         ath6kl_dbg(ATH6KL_DBG_WMI,
1571                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1572                    snr, new_threshold,
1573                    lower_snr_threshold, upper_snr_threshold);
1574
1575         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1576         if (ret) {
1577                 ath6kl_err("unable to configure snr threshold\n");
1578                 return -EIO;
1579         }
1580
1581         return 0;
1582 }
1583
1584 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1585 {
1586         u16 ap_info_entry_size;
1587         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1588         struct wmi_ap_info_v1 *ap_info_v1;
1589         u8 index;
1590
1591         if (len < sizeof(struct wmi_aplist_event) ||
1592             ev->ap_list_ver != APLIST_VER1)
1593                 return -EINVAL;
1594
1595         ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1596         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1597
1598         ath6kl_dbg(ATH6KL_DBG_WMI,
1599                    "number of APs in aplist event: %d\n", ev->num_ap);
1600
1601         if (len < (int) (sizeof(struct wmi_aplist_event) +
1602                          (ev->num_ap - 1) * ap_info_entry_size))
1603                 return -EINVAL;
1604
1605         /* AP list version 1 contents */
1606         for (index = 0; index < ev->num_ap; index++) {
1607                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1608                            index, ap_info_v1->bssid, ap_info_v1->channel);
1609                 ap_info_v1++;
1610         }
1611
1612         return 0;
1613 }
1614
1615 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1616                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1617 {
1618         struct wmi_cmd_hdr *cmd_hdr;
1619         enum htc_endpoint_id ep_id = wmi->ep_id;
1620         int ret;
1621         u16 info1;
1622
1623         if (WARN_ON(skb == NULL || (if_idx > (wmi->parent_dev->vif_max - 1))))
1624                 return -EINVAL;
1625
1626         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1627                    cmd_id, skb->len, sync_flag);
1628         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1629                         skb->data, skb->len);
1630
1631         if (sync_flag >= END_WMIFLAG) {
1632                 dev_kfree_skb(skb);
1633                 return -EINVAL;
1634         }
1635
1636         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1637             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1638                 /*
1639                  * Make sure all data currently queued is transmitted before
1640                  * the cmd execution.  Establish a new sync point.
1641                  */
1642                 ath6kl_wmi_sync_point(wmi, if_idx);
1643         }
1644
1645         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1646
1647         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1648         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1649         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1650         cmd_hdr->info1 = cpu_to_le16(info1);
1651
1652         /* Only for OPT_TX_CMD, use BE endpoint. */
1653         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1654                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1655                                               false, false, 0, NULL, if_idx);
1656                 if (ret) {
1657                         dev_kfree_skb(skb);
1658                         return ret;
1659                 }
1660                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1661         }
1662
1663         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1664
1665         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1666             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1667                 /*
1668                  * Make sure all new data queued waits for the command to
1669                  * execute. Establish a new sync point.
1670                  */
1671                 ath6kl_wmi_sync_point(wmi, if_idx);
1672         }
1673
1674         return 0;
1675 }
1676
1677 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1678                            enum network_type nw_type,
1679                            enum dot11_auth_mode dot11_auth_mode,
1680                            enum auth_mode auth_mode,
1681                            enum crypto_type pairwise_crypto,
1682                            u8 pairwise_crypto_len,
1683                            enum crypto_type group_crypto,
1684                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1685                            u8 *bssid, u16 channel, u32 ctrl_flags)
1686 {
1687         struct sk_buff *skb;
1688         struct wmi_connect_cmd *cc;
1689         int ret;
1690
1691         ath6kl_dbg(ATH6KL_DBG_WMI,
1692                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1693                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1694                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1695                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1696         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1697
1698         wmi->traffic_class = 100;
1699
1700         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1701                 return -EINVAL;
1702
1703         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1704                 return -EINVAL;
1705
1706         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1707         if (!skb)
1708                 return -ENOMEM;
1709
1710         cc = (struct wmi_connect_cmd *) skb->data;
1711
1712         if (ssid_len)
1713                 memcpy(cc->ssid, ssid, ssid_len);
1714
1715         cc->ssid_len = ssid_len;
1716         cc->nw_type = nw_type;
1717         cc->dot11_auth_mode = dot11_auth_mode;
1718         cc->auth_mode = auth_mode;
1719         cc->prwise_crypto_type = pairwise_crypto;
1720         cc->prwise_crypto_len = pairwise_crypto_len;
1721         cc->grp_crypto_type = group_crypto;
1722         cc->grp_crypto_len = group_crypto_len;
1723         cc->ch = cpu_to_le16(channel);
1724         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1725
1726         if (bssid != NULL)
1727                 memcpy(cc->bssid, bssid, ETH_ALEN);
1728
1729         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1730                                   NO_SYNC_WMIFLAG);
1731
1732         return ret;
1733 }
1734
1735 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1736                              u16 channel)
1737 {
1738         struct sk_buff *skb;
1739         struct wmi_reconnect_cmd *cc;
1740         int ret;
1741
1742         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1743                    bssid, channel);
1744
1745         wmi->traffic_class = 100;
1746
1747         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1748         if (!skb)
1749                 return -ENOMEM;
1750
1751         cc = (struct wmi_reconnect_cmd *) skb->data;
1752         cc->channel = cpu_to_le16(channel);
1753
1754         if (bssid != NULL)
1755                 memcpy(cc->bssid, bssid, ETH_ALEN);
1756
1757         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1758                                   NO_SYNC_WMIFLAG);
1759
1760         return ret;
1761 }
1762
1763 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1764 {
1765         int ret;
1766
1767         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1768
1769         wmi->traffic_class = 100;
1770
1771         /* Disconnect command does not need to do a SYNC before. */
1772         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1773
1774         return ret;
1775 }
1776
1777 int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1778                              enum wmi_scan_type scan_type,
1779                              u32 force_fgscan, u32 is_legacy,
1780                              u32 home_dwell_time, u32 force_scan_interval,
1781                              s8 num_chan, u16 *ch_list)
1782 {
1783         struct sk_buff *skb;
1784         struct wmi_start_scan_cmd *sc;
1785         s8 size;
1786         int i, ret;
1787
1788         size = sizeof(struct wmi_start_scan_cmd);
1789
1790         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1791                 return -EINVAL;
1792
1793         if (num_chan > WMI_MAX_CHANNELS)
1794                 return -EINVAL;
1795
1796         if (num_chan)
1797                 size += sizeof(u16) * (num_chan - 1);
1798
1799         skb = ath6kl_wmi_get_new_buf(size);
1800         if (!skb)
1801                 return -ENOMEM;
1802
1803         sc = (struct wmi_start_scan_cmd *) skb->data;
1804         sc->scan_type = scan_type;
1805         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1806         sc->is_legacy = cpu_to_le32(is_legacy);
1807         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1808         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1809         sc->num_ch = num_chan;
1810
1811         for (i = 0; i < num_chan; i++)
1812                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1813
1814         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1815                                   NO_SYNC_WMIFLAG);
1816
1817         return ret;
1818 }
1819
1820 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
1821                               u16 fg_start_sec,
1822                               u16 fg_end_sec, u16 bg_sec,
1823                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
1824                               u16 pas_chdw_msec, u8 short_scan_ratio,
1825                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
1826                               u16 maxact_scan_per_ssid)
1827 {
1828         struct sk_buff *skb;
1829         struct wmi_scan_params_cmd *sc;
1830         int ret;
1831
1832         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
1833         if (!skb)
1834                 return -ENOMEM;
1835
1836         sc = (struct wmi_scan_params_cmd *) skb->data;
1837         sc->fg_start_period = cpu_to_le16(fg_start_sec);
1838         sc->fg_end_period = cpu_to_le16(fg_end_sec);
1839         sc->bg_period = cpu_to_le16(bg_sec);
1840         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
1841         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
1842         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
1843         sc->short_scan_ratio = short_scan_ratio;
1844         sc->scan_ctrl_flags = scan_ctrl_flag;
1845         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
1846         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
1847
1848         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
1849                                   NO_SYNC_WMIFLAG);
1850         return ret;
1851 }
1852
1853 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
1854 {
1855         struct sk_buff *skb;
1856         struct wmi_bss_filter_cmd *cmd;
1857         int ret;
1858
1859         if (filter >= LAST_BSS_FILTER)
1860                 return -EINVAL;
1861
1862         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1863         if (!skb)
1864                 return -ENOMEM;
1865
1866         cmd = (struct wmi_bss_filter_cmd *) skb->data;
1867         cmd->bss_filter = filter;
1868         cmd->ie_mask = cpu_to_le32(ie_mask);
1869
1870         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
1871                                   NO_SYNC_WMIFLAG);
1872         return ret;
1873 }
1874
1875 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
1876                               u8 ssid_len, u8 *ssid)
1877 {
1878         struct sk_buff *skb;
1879         struct wmi_probed_ssid_cmd *cmd;
1880         int ret;
1881
1882         if (index > MAX_PROBED_SSID_INDEX)
1883                 return -EINVAL;
1884
1885         if (ssid_len > sizeof(cmd->ssid))
1886                 return -EINVAL;
1887
1888         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
1889                 return -EINVAL;
1890
1891         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
1892                 return -EINVAL;
1893
1894         if (flag & SPECIFIC_SSID_FLAG)
1895                 wmi->is_probe_ssid = true;
1896
1897         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1898         if (!skb)
1899                 return -ENOMEM;
1900
1901         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
1902         cmd->entry_index = index;
1903         cmd->flag = flag;
1904         cmd->ssid_len = ssid_len;
1905         memcpy(cmd->ssid, ssid, ssid_len);
1906
1907         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
1908                                   NO_SYNC_WMIFLAG);
1909         return ret;
1910 }
1911
1912 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
1913                                   u16 listen_interval,
1914                                   u16 listen_beacons)
1915 {
1916         struct sk_buff *skb;
1917         struct wmi_listen_int_cmd *cmd;
1918         int ret;
1919
1920         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1921         if (!skb)
1922                 return -ENOMEM;
1923
1924         cmd = (struct wmi_listen_int_cmd *) skb->data;
1925         cmd->listen_intvl = cpu_to_le16(listen_interval);
1926         cmd->num_beacons = cpu_to_le16(listen_beacons);
1927
1928         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
1929                                   NO_SYNC_WMIFLAG);
1930         return ret;
1931 }
1932
1933 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
1934 {
1935         struct sk_buff *skb;
1936         struct wmi_power_mode_cmd *cmd;
1937         int ret;
1938
1939         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1940         if (!skb)
1941                 return -ENOMEM;
1942
1943         cmd = (struct wmi_power_mode_cmd *) skb->data;
1944         cmd->pwr_mode = pwr_mode;
1945         wmi->pwr_mode = pwr_mode;
1946
1947         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
1948                                   NO_SYNC_WMIFLAG);
1949         return ret;
1950 }
1951
1952 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
1953                             u16 ps_poll_num, u16 dtim_policy,
1954                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
1955                             u16 ps_fail_event_policy)
1956 {
1957         struct sk_buff *skb;
1958         struct wmi_power_params_cmd *pm;
1959         int ret;
1960
1961         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
1962         if (!skb)
1963                 return -ENOMEM;
1964
1965         pm = (struct wmi_power_params_cmd *)skb->data;
1966         pm->idle_period = cpu_to_le16(idle_period);
1967         pm->pspoll_number = cpu_to_le16(ps_poll_num);
1968         pm->dtim_policy = cpu_to_le16(dtim_policy);
1969         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
1970         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
1971         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
1972
1973         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
1974                                   NO_SYNC_WMIFLAG);
1975         return ret;
1976 }
1977
1978 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
1979 {
1980         struct sk_buff *skb;
1981         struct wmi_disc_timeout_cmd *cmd;
1982         int ret;
1983
1984         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1985         if (!skb)
1986                 return -ENOMEM;
1987
1988         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
1989         cmd->discon_timeout = timeout;
1990
1991         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
1992                                   NO_SYNC_WMIFLAG);
1993
1994         if (ret == 0)
1995                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
1996
1997         return ret;
1998 }
1999
2000 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2001                           enum crypto_type key_type,
2002                           u8 key_usage, u8 key_len,
2003                           u8 *key_rsc, unsigned int key_rsc_len,
2004                           u8 *key_material,
2005                           u8 key_op_ctrl, u8 *mac_addr,
2006                           enum wmi_sync_flag sync_flag)
2007 {
2008         struct sk_buff *skb;
2009         struct wmi_add_cipher_key_cmd *cmd;
2010         int ret;
2011
2012         ath6kl_dbg(ATH6KL_DBG_WMI, "addkey cmd: key_index=%u key_type=%d "
2013                    "key_usage=%d key_len=%d key_op_ctrl=%d\n",
2014                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2015
2016         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2017             (key_material == NULL) || key_rsc_len > 8)
2018                 return -EINVAL;
2019
2020         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2021                 return -EINVAL;
2022
2023         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2024         if (!skb)
2025                 return -ENOMEM;
2026
2027         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2028         cmd->key_index = key_index;
2029         cmd->key_type = key_type;
2030         cmd->key_usage = key_usage;
2031         cmd->key_len = key_len;
2032         memcpy(cmd->key, key_material, key_len);
2033
2034         if (key_rsc != NULL)
2035                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2036
2037         cmd->key_op_ctrl = key_op_ctrl;
2038
2039         if (mac_addr)
2040                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2041
2042         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2043                                   sync_flag);
2044
2045         return ret;
2046 }
2047
2048 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk)
2049 {
2050         struct sk_buff *skb;
2051         struct wmi_add_krk_cmd *cmd;
2052         int ret;
2053
2054         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2055         if (!skb)
2056                 return -ENOMEM;
2057
2058         cmd = (struct wmi_add_krk_cmd *) skb->data;
2059         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2060
2061         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2062                                   NO_SYNC_WMIFLAG);
2063
2064         return ret;
2065 }
2066
2067 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2068 {
2069         struct sk_buff *skb;
2070         struct wmi_delete_cipher_key_cmd *cmd;
2071         int ret;
2072
2073         if (key_index > WMI_MAX_KEY_INDEX)
2074                 return -EINVAL;
2075
2076         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2077         if (!skb)
2078                 return -ENOMEM;
2079
2080         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2081         cmd->key_index = key_index;
2082
2083         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2084                                   NO_SYNC_WMIFLAG);
2085
2086         return ret;
2087 }
2088
2089 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2090                             const u8 *pmkid, bool set)
2091 {
2092         struct sk_buff *skb;
2093         struct wmi_setpmkid_cmd *cmd;
2094         int ret;
2095
2096         if (bssid == NULL)
2097                 return -EINVAL;
2098
2099         if (set && pmkid == NULL)
2100                 return -EINVAL;
2101
2102         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2103         if (!skb)
2104                 return -ENOMEM;
2105
2106         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2107         memcpy(cmd->bssid, bssid, ETH_ALEN);
2108         if (set) {
2109                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2110                 cmd->enable = PMKID_ENABLE;
2111         } else {
2112                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2113                 cmd->enable = PMKID_DISABLE;
2114         }
2115
2116         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2117                                   NO_SYNC_WMIFLAG);
2118
2119         return ret;
2120 }
2121
2122 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2123                               enum htc_endpoint_id ep_id, u8 if_idx)
2124 {
2125         struct wmi_data_hdr *data_hdr;
2126         int ret;
2127
2128         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id))
2129                 return -EINVAL;
2130
2131         skb_push(skb, sizeof(struct wmi_data_hdr));
2132
2133         data_hdr = (struct wmi_data_hdr *) skb->data;
2134         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2135         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2136
2137         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2138
2139         return ret;
2140 }
2141
2142 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2143 {
2144         struct sk_buff *skb;
2145         struct wmi_sync_cmd *cmd;
2146         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2147         enum htc_endpoint_id ep_id;
2148         u8 index, num_pri_streams = 0;
2149         int ret = 0;
2150
2151         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2152
2153         spin_lock_bh(&wmi->lock);
2154
2155         for (index = 0; index < WMM_NUM_AC; index++) {
2156                 if (wmi->fat_pipe_exist & (1 << index)) {
2157                         num_pri_streams++;
2158                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2159                             index;
2160                 }
2161         }
2162
2163         spin_unlock_bh(&wmi->lock);
2164
2165         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2166         if (!skb) {
2167                 ret = -ENOMEM;
2168                 goto free_skb;
2169         }
2170
2171         cmd = (struct wmi_sync_cmd *) skb->data;
2172
2173         /*
2174          * In the SYNC cmd sent on the control Ep, send a bitmap
2175          * of the data eps on which the Data Sync will be sent
2176          */
2177         cmd->data_sync_map = wmi->fat_pipe_exist;
2178
2179         for (index = 0; index < num_pri_streams; index++) {
2180                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2181                 if (data_sync_bufs[index].skb == NULL) {
2182                         ret = -ENOMEM;
2183                         break;
2184                 }
2185         }
2186
2187         /*
2188          * If buffer allocation for any of the dataSync fails,
2189          * then do not send the Synchronize cmd on the control ep
2190          */
2191         if (ret)
2192                 goto free_skb;
2193
2194         /*
2195          * Send sync cmd followed by sync data messages on all
2196          * endpoints being used
2197          */
2198         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2199                                   NO_SYNC_WMIFLAG);
2200
2201         if (ret)
2202                 goto free_skb;
2203
2204         /* cmd buffer sent, we no longer own it */
2205         skb = NULL;
2206
2207         for (index = 0; index < num_pri_streams; index++) {
2208
2209                 if (WARN_ON(!data_sync_bufs[index].skb))
2210                         break;
2211
2212                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2213                                                data_sync_bufs[index].
2214                                                traffic_class);
2215                 ret =
2216                     ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2217                                               ep_id, if_idx);
2218
2219                 if (ret)
2220                         break;
2221
2222                 data_sync_bufs[index].skb = NULL;
2223         }
2224
2225 free_skb:
2226         /* free up any resources left over (possibly due to an error) */
2227         if (skb)
2228                 dev_kfree_skb(skb);
2229
2230         for (index = 0; index < num_pri_streams; index++) {
2231                 if (data_sync_bufs[index].skb != NULL) {
2232                         dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].
2233                                       skb);
2234                 }
2235         }
2236
2237         return ret;
2238 }
2239
2240 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2241                                   struct wmi_create_pstream_cmd *params)
2242 {
2243         struct sk_buff *skb;
2244         struct wmi_create_pstream_cmd *cmd;
2245         u8 fatpipe_exist_for_ac = 0;
2246         s32 min_phy = 0;
2247         s32 nominal_phy = 0;
2248         int ret;
2249
2250         if (!((params->user_pri < 8) &&
2251               (params->user_pri <= 0x7) &&
2252               (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2253               (params->traffic_direc == UPLINK_TRAFFIC ||
2254                params->traffic_direc == DNLINK_TRAFFIC ||
2255                params->traffic_direc == BIDIR_TRAFFIC) &&
2256               (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2257                params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2258               (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2259                params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2260                params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2261               (params->tsid == WMI_IMPLICIT_PSTREAM ||
2262                params->tsid <= WMI_MAX_THINSTREAM))) {
2263                 return -EINVAL;
2264         }
2265
2266         /*
2267          * Check nominal PHY rate is >= minimalPHY,
2268          * so that DUT can allow TSRS IE
2269          */
2270
2271         /* Get the physical rate (units of bps) */
2272         min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2273
2274         /* Check minimal phy < nominal phy rate */
2275         if (params->nominal_phy >= min_phy) {
2276                 /* unit of 500 kbps */
2277                 nominal_phy = (params->nominal_phy * 1000) / 500;
2278                 ath6kl_dbg(ATH6KL_DBG_WMI,
2279                            "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2280                            min_phy, nominal_phy);
2281
2282                 params->nominal_phy = nominal_phy;
2283         } else {
2284                 params->nominal_phy = 0;
2285         }
2286
2287         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2288         if (!skb)
2289                 return -ENOMEM;
2290
2291         ath6kl_dbg(ATH6KL_DBG_WMI,
2292                    "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2293                    params->traffic_class, params->tsid);
2294
2295         cmd = (struct wmi_create_pstream_cmd *) skb->data;
2296         memcpy(cmd, params, sizeof(*cmd));
2297
2298         /* This is an implicitly created Fat pipe */
2299         if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2300                 spin_lock_bh(&wmi->lock);
2301                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2302                                         (1 << params->traffic_class));
2303                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2304                 spin_unlock_bh(&wmi->lock);
2305         } else {
2306                 /* explicitly created thin stream within a fat pipe */
2307                 spin_lock_bh(&wmi->lock);
2308                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2309                                         (1 << params->traffic_class));
2310                 wmi->stream_exist_for_ac[params->traffic_class] |=
2311                     (1 << params->tsid);
2312                 /*
2313                  * If a thinstream becomes active, the fat pipe automatically
2314                  * becomes active
2315                  */
2316                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2317                 spin_unlock_bh(&wmi->lock);
2318         }
2319
2320         /*
2321          * Indicate activty change to driver layer only if this is the
2322          * first TSID to get created in this AC explicitly or an implicit
2323          * fat pipe is getting created.
2324          */
2325         if (!fatpipe_exist_for_ac)
2326                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2327                                             params->traffic_class, true);
2328
2329         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2330                                   NO_SYNC_WMIFLAG);
2331         return ret;
2332 }
2333
2334 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2335                                   u8 tsid)
2336 {
2337         struct sk_buff *skb;
2338         struct wmi_delete_pstream_cmd *cmd;
2339         u16 active_tsids = 0;
2340         int ret;
2341
2342         if (traffic_class > 3) {
2343                 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2344                 return -EINVAL;
2345         }
2346
2347         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2348         if (!skb)
2349                 return -ENOMEM;
2350
2351         cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2352         cmd->traffic_class = traffic_class;
2353         cmd->tsid = tsid;
2354
2355         spin_lock_bh(&wmi->lock);
2356         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2357         spin_unlock_bh(&wmi->lock);
2358
2359         if (!(active_tsids & (1 << tsid))) {
2360                 dev_kfree_skb(skb);
2361                 ath6kl_dbg(ATH6KL_DBG_WMI,
2362                            "TSID %d doesn't exist for traffic class: %d\n",
2363                            tsid, traffic_class);
2364                 return -ENODATA;
2365         }
2366
2367         ath6kl_dbg(ATH6KL_DBG_WMI,
2368                    "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2369                    traffic_class, tsid);
2370
2371         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2372                                   SYNC_BEFORE_WMIFLAG);
2373
2374         spin_lock_bh(&wmi->lock);
2375         wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2376         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2377         spin_unlock_bh(&wmi->lock);
2378
2379         /*
2380          * Indicate stream inactivity to driver layer only if all tsids
2381          * within this AC are deleted.
2382          */
2383         if (!active_tsids) {
2384                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2385                                             traffic_class, false);
2386                 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2387         }
2388
2389         return ret;
2390 }
2391
2392 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, struct wmi_set_ip_cmd *ip_cmd)
2393 {
2394         struct sk_buff *skb;
2395         struct wmi_set_ip_cmd *cmd;
2396         int ret;
2397
2398         /* Multicast address are not valid */
2399         if ((*((u8 *) &ip_cmd->ips[0]) >= 0xE0) ||
2400             (*((u8 *) &ip_cmd->ips[1]) >= 0xE0))
2401                 return -EINVAL;
2402
2403         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2404         if (!skb)
2405                 return -ENOMEM;
2406
2407         cmd = (struct wmi_set_ip_cmd *) skb->data;
2408         memcpy(cmd, ip_cmd, sizeof(struct wmi_set_ip_cmd));
2409
2410         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_IP_CMDID,
2411                                   NO_SYNC_WMIFLAG);
2412         return ret;
2413 }
2414
2415 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2416 {
2417         u16 active_tsids;
2418         u8 stream_exist;
2419         int i;
2420
2421         /*
2422          * Relinquish credits from all implicitly created pstreams
2423          * since when we go to sleep. If user created explicit
2424          * thinstreams exists with in a fatpipe leave them intact
2425          * for the user to delete.
2426          */
2427         spin_lock_bh(&wmi->lock);
2428         stream_exist = wmi->fat_pipe_exist;
2429         spin_unlock_bh(&wmi->lock);
2430
2431         for (i = 0; i < WMM_NUM_AC; i++) {
2432                 if (stream_exist & (1 << i)) {
2433
2434                         /*
2435                          * FIXME: Is this lock & unlock inside
2436                          * for loop correct? may need rework.
2437                          */
2438                         spin_lock_bh(&wmi->lock);
2439                         active_tsids = wmi->stream_exist_for_ac[i];
2440                         spin_unlock_bh(&wmi->lock);
2441
2442                         /*
2443                          * If there are no user created thin streams
2444                          * delete the fatpipe
2445                          */
2446                         if (!active_tsids) {
2447                                 stream_exist &= ~(1 << i);
2448                                 /*
2449                                  * Indicate inactivity to driver layer for
2450                                  * this fatpipe (pstream)
2451                                  */
2452                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2453                                                             i, false);
2454                         }
2455                 }
2456         }
2457
2458         /* FIXME: Can we do this assignment without locking ? */
2459         spin_lock_bh(&wmi->lock);
2460         wmi->fat_pipe_exist = stream_exist;
2461         spin_unlock_bh(&wmi->lock);
2462 }
2463
2464 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2465                                        enum ath6kl_host_mode host_mode)
2466 {
2467         struct sk_buff *skb;
2468         struct wmi_set_host_sleep_mode_cmd *cmd;
2469         int ret;
2470
2471         if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2472             (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2473                 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2474                 return -EINVAL;
2475         }
2476
2477         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2478         if (!skb)
2479                 return -ENOMEM;
2480
2481         cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2482
2483         if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2484                 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2485                 cmd->asleep = cpu_to_le32(1);
2486         } else
2487                 cmd->awake = cpu_to_le32(1);
2488
2489         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2490                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2491                                   NO_SYNC_WMIFLAG);
2492         return ret;
2493 }
2494
2495 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2496                                 enum ath6kl_wow_mode wow_mode,
2497                                 u32 filter, u16 host_req_delay)
2498 {
2499         struct sk_buff *skb;
2500         struct wmi_set_wow_mode_cmd *cmd;
2501         int ret;
2502
2503         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2504              wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2505                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2506                 return -EINVAL;
2507         }
2508
2509         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2510         if (!skb)
2511                 return -ENOMEM;
2512
2513         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2514         cmd->enable_wow = cpu_to_le32(wow_mode);
2515         cmd->filter = cpu_to_le32(filter);
2516         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2517
2518         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2519                                   NO_SYNC_WMIFLAG);
2520         return ret;
2521 }
2522
2523 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2524                                    u8 list_id, u8 filter_size,
2525                                    u8 filter_offset, u8 *filter, u8 *mask)
2526 {
2527         struct sk_buff *skb;
2528         struct wmi_add_wow_pattern_cmd *cmd;
2529         u16 size;
2530         u8 *filter_mask;
2531         int ret;
2532
2533         /*
2534          * Allocate additional memory in the buffer to hold
2535          * filter and mask value, which is twice of filter_size.
2536          */
2537         size = sizeof(*cmd) + (2 * filter_size);
2538
2539         skb = ath6kl_wmi_get_new_buf(size);
2540         if (!skb)
2541                 return -ENOMEM;
2542
2543         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2544         cmd->filter_list_id = list_id;
2545         cmd->filter_size = filter_size;
2546         cmd->filter_offset = filter_offset;
2547
2548         memcpy(cmd->filter, filter, filter_size);
2549
2550         filter_mask = (u8 *) (cmd->filter + filter_size);
2551         memcpy(filter_mask, mask, filter_size);
2552
2553         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2554                                   NO_SYNC_WMIFLAG);
2555
2556         return ret;
2557 }
2558
2559 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2560                                    u16 list_id, u16 filter_id)
2561 {
2562         struct sk_buff *skb;
2563         struct wmi_del_wow_pattern_cmd *cmd;
2564         int ret;
2565
2566         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2567         if (!skb)
2568                 return -ENOMEM;
2569
2570         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2571         cmd->filter_list_id = cpu_to_le16(list_id);
2572         cmd->filter_id = cpu_to_le16(filter_id);
2573
2574         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2575                                   NO_SYNC_WMIFLAG);
2576         return ret;
2577 }
2578
2579 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2580                                     enum wmix_command_id cmd_id,
2581                                     enum wmi_sync_flag sync_flag)
2582 {
2583         struct wmix_cmd_hdr *cmd_hdr;
2584         int ret;
2585
2586         skb_push(skb, sizeof(struct wmix_cmd_hdr));
2587
2588         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2589         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2590
2591         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
2592
2593         return ret;
2594 }
2595
2596 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2597 {
2598         struct sk_buff *skb;
2599         struct wmix_hb_challenge_resp_cmd *cmd;
2600         int ret;
2601
2602         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2603         if (!skb)
2604                 return -ENOMEM;
2605
2606         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
2607         cmd->cookie = cpu_to_le32(cookie);
2608         cmd->source = cpu_to_le32(source);
2609
2610         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
2611                                        NO_SYNC_WMIFLAG);
2612         return ret;
2613 }
2614
2615 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
2616 {
2617         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
2618         struct sk_buff *skb;
2619         int ret;
2620
2621         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2622         if (!skb)
2623                 return -ENOMEM;
2624
2625         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
2626         cmd->valid = cpu_to_le32(valid);
2627         cmd->config = cpu_to_le32(config);
2628
2629         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
2630                                        NO_SYNC_WMIFLAG);
2631         return ret;
2632 }
2633
2634 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
2635 {
2636         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
2637 }
2638
2639 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
2640 {
2641         struct sk_buff *skb;
2642         struct wmi_set_tx_pwr_cmd *cmd;
2643         int ret;
2644
2645         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
2646         if (!skb)
2647                 return -ENOMEM;
2648
2649         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
2650         cmd->dbM = dbM;
2651
2652         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
2653                                   NO_SYNC_WMIFLAG);
2654
2655         return ret;
2656 }
2657
2658 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
2659 {
2660         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
2661 }
2662
2663 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
2664 {
2665         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
2666 }
2667
2668 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
2669                                  u8 preamble_policy)
2670 {
2671         struct sk_buff *skb;
2672         struct wmi_set_lpreamble_cmd *cmd;
2673         int ret;
2674
2675         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
2676         if (!skb)
2677                 return -ENOMEM;
2678
2679         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
2680         cmd->status = status;
2681         cmd->preamble_policy = preamble_policy;
2682
2683         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
2684                                   NO_SYNC_WMIFLAG);
2685         return ret;
2686 }
2687
2688 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
2689 {
2690         struct sk_buff *skb;
2691         struct wmi_set_rts_cmd *cmd;
2692         int ret;
2693
2694         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
2695         if (!skb)
2696                 return -ENOMEM;
2697
2698         cmd = (struct wmi_set_rts_cmd *) skb->data;
2699         cmd->threshold = cpu_to_le16(threshold);
2700
2701         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
2702                                   NO_SYNC_WMIFLAG);
2703         return ret;
2704 }
2705
2706 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
2707 {
2708         struct sk_buff *skb;
2709         struct wmi_set_wmm_txop_cmd *cmd;
2710         int ret;
2711
2712         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
2713                 return -EINVAL;
2714
2715         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
2716         if (!skb)
2717                 return -ENOMEM;
2718
2719         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
2720         cmd->txop_enable = cfg;
2721
2722         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
2723                                   NO_SYNC_WMIFLAG);
2724         return ret;
2725 }
2726
2727 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
2728                                  u8 keep_alive_intvl)
2729 {
2730         struct sk_buff *skb;
2731         struct wmi_set_keepalive_cmd *cmd;
2732         int ret;
2733
2734         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2735         if (!skb)
2736                 return -ENOMEM;
2737
2738         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
2739         cmd->keep_alive_intvl = keep_alive_intvl;
2740
2741         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
2742                                   NO_SYNC_WMIFLAG);
2743
2744         if (ret == 0)
2745                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
2746
2747         return ret;
2748 }
2749
2750 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
2751 {
2752         struct sk_buff *skb;
2753         int ret;
2754
2755         skb = ath6kl_wmi_get_new_buf(len);
2756         if (!skb)
2757                 return -ENOMEM;
2758
2759         memcpy(skb->data, buf, len);
2760
2761         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
2762
2763         return ret;
2764 }
2765
2766
2767 s32 ath6kl_wmi_get_rate(s8 rate_index)
2768 {
2769         if (rate_index == RATE_AUTO)
2770                 return 0;
2771
2772         return wmi_rate_tbl[(u32) rate_index][0];
2773 }
2774
2775 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
2776                                               u32 len)
2777 {
2778         struct wmi_pmkid_list_reply *reply;
2779         u32 expected_len;
2780
2781         if (len < sizeof(struct wmi_pmkid_list_reply))
2782                 return -EINVAL;
2783
2784         reply = (struct wmi_pmkid_list_reply *)datap;
2785         expected_len = sizeof(reply->num_pmkid) +
2786                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
2787
2788         if (len < expected_len)
2789                 return -EINVAL;
2790
2791         return 0;
2792 }
2793
2794 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2795                                          struct ath6kl_vif *vif)
2796 {
2797         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
2798
2799         aggr_recv_addba_req_evt(vif, cmd->tid,
2800                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
2801
2802         return 0;
2803 }
2804
2805 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2806                                          struct ath6kl_vif *vif)
2807 {
2808         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
2809
2810         aggr_recv_delba_req_evt(vif, cmd->tid);
2811
2812         return 0;
2813 }
2814
2815 /*  AP mode functions */
2816
2817 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
2818                                  struct wmi_connect_cmd *p)
2819 {
2820         struct sk_buff *skb;
2821         struct wmi_connect_cmd *cm;
2822         int res;
2823
2824         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
2825         if (!skb)
2826                 return -ENOMEM;
2827
2828         cm = (struct wmi_connect_cmd *) skb->data;
2829         memcpy(cm, p, sizeof(*cm));
2830
2831         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
2832                                   NO_SYNC_WMIFLAG);
2833         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: nw_type=%u auth_mode=%u ch=%u "
2834                    "ctrl_flags=0x%x-> res=%d\n",
2835                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
2836                    le32_to_cpu(p->ctrl_flags), res);
2837         return res;
2838 }
2839
2840 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
2841                            u16 reason)
2842 {
2843         struct sk_buff *skb;
2844         struct wmi_ap_set_mlme_cmd *cm;
2845
2846         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
2847         if (!skb)
2848                 return -ENOMEM;
2849
2850         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
2851         memcpy(cm->mac, mac, ETH_ALEN);
2852         cm->reason = cpu_to_le16(reason);
2853         cm->cmd = cmd;
2854
2855         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
2856                                    NO_SYNC_WMIFLAG);
2857 }
2858
2859 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
2860                                       struct ath6kl_vif *vif)
2861 {
2862         struct wmi_pspoll_event *ev;
2863
2864         if (len < sizeof(struct wmi_pspoll_event))
2865                 return -EINVAL;
2866
2867         ev = (struct wmi_pspoll_event *) datap;
2868
2869         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
2870
2871         return 0;
2872 }
2873
2874 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
2875                                           struct ath6kl_vif *vif)
2876 {
2877         ath6kl_dtimexpiry_event(vif);
2878
2879         return 0;
2880 }
2881
2882 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
2883                            bool flag)
2884 {
2885         struct sk_buff *skb;
2886         struct wmi_ap_set_pvb_cmd *cmd;
2887         int ret;
2888
2889         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
2890         if (!skb)
2891                 return -ENOMEM;
2892
2893         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
2894         cmd->aid = cpu_to_le16(aid);
2895         cmd->rsvd = cpu_to_le16(0);
2896         cmd->flag = cpu_to_le32(flag);
2897
2898         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
2899                                   NO_SYNC_WMIFLAG);
2900
2901         return 0;
2902 }
2903
2904 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
2905                                        u8 rx_meta_ver,
2906                                        bool rx_dot11_hdr, bool defrag_on_host)
2907 {
2908         struct sk_buff *skb;
2909         struct wmi_rx_frame_format_cmd *cmd;
2910         int ret;
2911
2912         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2913         if (!skb)
2914                 return -ENOMEM;
2915
2916         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
2917         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
2918         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
2919         cmd->meta_ver = rx_meta_ver;
2920
2921         /* Delete the local aggr state, on host */
2922         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
2923                                   NO_SYNC_WMIFLAG);
2924
2925         return ret;
2926 }
2927
2928 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
2929                              const u8 *ie, u8 ie_len)
2930 {
2931         struct sk_buff *skb;
2932         struct wmi_set_appie_cmd *p;
2933
2934         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
2935         if (!skb)
2936                 return -ENOMEM;
2937
2938         ath6kl_dbg(ATH6KL_DBG_WMI, "set_appie_cmd: mgmt_frm_type=%u "
2939                    "ie_len=%u\n", mgmt_frm_type, ie_len);
2940         p = (struct wmi_set_appie_cmd *) skb->data;
2941         p->mgmt_frm_type = mgmt_frm_type;
2942         p->ie_len = ie_len;
2943         memcpy(p->ie_info, ie, ie_len);
2944         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
2945                                    NO_SYNC_WMIFLAG);
2946 }
2947
2948 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
2949 {
2950         struct sk_buff *skb;
2951         struct wmi_disable_11b_rates_cmd *cmd;
2952
2953         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2954         if (!skb)
2955                 return -ENOMEM;
2956
2957         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
2958                    disable);
2959         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
2960         cmd->disable = disable ? 1 : 0;
2961
2962         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
2963                                    NO_SYNC_WMIFLAG);
2964 }
2965
2966 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
2967 {
2968         struct sk_buff *skb;
2969         struct wmi_remain_on_chnl_cmd *p;
2970
2971         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
2972         if (!skb)
2973                 return -ENOMEM;
2974
2975         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
2976                    freq, dur);
2977         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
2978         p->freq = cpu_to_le32(freq);
2979         p->duration = cpu_to_le32(dur);
2980         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
2981                                    NO_SYNC_WMIFLAG);
2982 }
2983
2984 int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
2985                                u32 wait, const u8 *data, u16 data_len)
2986 {
2987         struct sk_buff *skb;
2988         struct wmi_send_action_cmd *p;
2989         u8 *buf;
2990
2991         if (wait)
2992                 return -EINVAL; /* Offload for wait not supported */
2993
2994         buf = kmalloc(data_len, GFP_KERNEL);
2995         if (!buf)
2996                 return -ENOMEM;
2997
2998         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
2999         if (!skb) {
3000                 kfree(buf);
3001                 return -ENOMEM;
3002         }
3003
3004         kfree(wmi->last_mgmt_tx_frame);
3005         memcpy(buf, data, data_len);
3006         wmi->last_mgmt_tx_frame = buf;
3007         wmi->last_mgmt_tx_frame_len = data_len;
3008
3009         ath6kl_dbg(ATH6KL_DBG_WMI, "send_action_cmd: id=%u freq=%u wait=%u "
3010                    "len=%u\n", id, freq, wait, data_len);
3011         p = (struct wmi_send_action_cmd *) skb->data;
3012         p->id = cpu_to_le32(id);
3013         p->freq = cpu_to_le32(freq);
3014         p->wait = cpu_to_le32(wait);
3015         p->len = cpu_to_le16(data_len);
3016         memcpy(p->data, data, data_len);
3017         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3018                                    NO_SYNC_WMIFLAG);
3019 }
3020
3021 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3022                                        const u8 *dst, const u8 *data,
3023                                        u16 data_len)
3024 {
3025         struct sk_buff *skb;
3026         struct wmi_p2p_probe_response_cmd *p;
3027         size_t cmd_len = sizeof(*p) + data_len;
3028
3029         if (data_len == 0)
3030                 cmd_len++; /* work around target minimum length requirement */
3031
3032         skb = ath6kl_wmi_get_new_buf(cmd_len);
3033         if (!skb)
3034                 return -ENOMEM;
3035
3036         ath6kl_dbg(ATH6KL_DBG_WMI, "send_probe_response_cmd: freq=%u dst=%pM "
3037                    "len=%u\n", freq, dst, data_len);
3038         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3039         p->freq = cpu_to_le32(freq);
3040         memcpy(p->destination_addr, dst, ETH_ALEN);
3041         p->len = cpu_to_le16(data_len);
3042         memcpy(p->data, data, data_len);
3043         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3044                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3045                                    NO_SYNC_WMIFLAG);
3046 }
3047
3048 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3049 {
3050         struct sk_buff *skb;
3051         struct wmi_probe_req_report_cmd *p;
3052
3053         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3054         if (!skb)
3055                 return -ENOMEM;
3056
3057         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3058                    enable);
3059         p = (struct wmi_probe_req_report_cmd *) skb->data;
3060         p->enable = enable ? 1 : 0;
3061         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3062                                    NO_SYNC_WMIFLAG);
3063 }
3064
3065 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3066 {
3067         struct sk_buff *skb;
3068         struct wmi_get_p2p_info *p;
3069
3070         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3071         if (!skb)
3072                 return -ENOMEM;
3073
3074         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3075                    info_req_flags);
3076         p = (struct wmi_get_p2p_info *) skb->data;
3077         p->info_req_flags = cpu_to_le32(info_req_flags);
3078         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3079                                    NO_SYNC_WMIFLAG);
3080 }
3081
3082 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3083 {
3084         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3085         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3086                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3087 }
3088
3089 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3090 {
3091         struct wmix_cmd_hdr *cmd;
3092         u32 len;
3093         u16 id;
3094         u8 *datap;
3095         int ret = 0;
3096
3097         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3098                 ath6kl_err("bad packet 1\n");
3099                 return -EINVAL;
3100         }
3101
3102         cmd = (struct wmix_cmd_hdr *) skb->data;
3103         id = le32_to_cpu(cmd->cmd_id);
3104
3105         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3106
3107         datap = skb->data;
3108         len = skb->len;
3109
3110         switch (id) {
3111         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3112                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3113                 break;
3114         case WMIX_DBGLOG_EVENTID:
3115                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3116                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3117                 break;
3118         default:
3119                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3120                 ret = -EINVAL;
3121                 break;
3122         }
3123
3124         return ret;
3125 }
3126
3127 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3128 {
3129         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3130 }
3131
3132 /* Control Path */
3133 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
3134 {
3135         struct wmi_cmd_hdr *cmd;
3136         struct ath6kl_vif *vif;
3137         u32 len;
3138         u16 id;
3139         u8 if_idx;
3140         u8 *datap;
3141         int ret = 0;
3142
3143         if (WARN_ON(skb == NULL))
3144                 return -EINVAL;
3145
3146         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
3147                 ath6kl_err("bad packet 1\n");
3148                 dev_kfree_skb(skb);
3149                 return -EINVAL;
3150         }
3151
3152         cmd = (struct wmi_cmd_hdr *) skb->data;
3153         id = le16_to_cpu(cmd->cmd_id);
3154         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3155
3156         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3157
3158         datap = skb->data;
3159         len = skb->len;
3160
3161         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3162         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3163                         datap, len);
3164
3165         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3166         if (!vif) {
3167                 ath6kl_dbg(ATH6KL_DBG_WMI,
3168                            "Wmi event for unavailable vif, vif_index:%d\n",
3169                             if_idx);
3170                 dev_kfree_skb(skb);
3171                 return -EINVAL;
3172         }
3173
3174         switch (id) {
3175         case WMI_GET_BITRATE_CMDID:
3176                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3177                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3178                 break;
3179         case WMI_GET_CHANNEL_LIST_CMDID:
3180                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3181                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3182                 break;
3183         case WMI_GET_TX_PWR_CMDID:
3184                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3185                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3186                 break;
3187         case WMI_READY_EVENTID:
3188                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3189                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3190                 break;
3191         case WMI_CONNECT_EVENTID:
3192                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3193                 ret = ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3194                 break;
3195         case WMI_DISCONNECT_EVENTID:
3196                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3197                 ret = ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3198                 break;
3199         case WMI_PEER_NODE_EVENTID:
3200                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3201                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
3202                 break;
3203         case WMI_TKIP_MICERR_EVENTID:
3204                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3205                 ret = ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3206                 break;
3207         case WMI_BSSINFO_EVENTID:
3208                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3209                 ret = ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3210                 break;
3211         case WMI_REGDOMAIN_EVENTID:
3212                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
3213                 ath6kl_wmi_regdomain_event(wmi, datap, len);
3214                 break;
3215         case WMI_PSTREAM_TIMEOUT_EVENTID:
3216                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
3217                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
3218                 break;
3219         case WMI_NEIGHBOR_REPORT_EVENTID:
3220                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3221                 ret = ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3222                                                           vif);
3223                 break;
3224         case WMI_SCAN_COMPLETE_EVENTID:
3225                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3226                 ret = ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3227                 break;
3228         case WMI_CMDERROR_EVENTID:
3229                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
3230                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
3231                 break;
3232         case WMI_REPORT_STATISTICS_EVENTID:
3233                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3234                 ret = ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3235                 break;
3236         case WMI_RSSI_THRESHOLD_EVENTID:
3237                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
3238                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
3239                 break;
3240         case WMI_ERROR_REPORT_EVENTID:
3241                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
3242                 break;
3243         case WMI_OPT_RX_FRAME_EVENTID:
3244                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
3245                 /* this event has been deprecated */
3246                 break;
3247         case WMI_REPORT_ROAM_TBL_EVENTID:
3248                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
3249                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
3250                 break;
3251         case WMI_EXTENSION_EVENTID:
3252                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
3253                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
3254                 break;
3255         case WMI_CAC_EVENTID:
3256                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3257                 ret = ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3258                 break;
3259         case WMI_CHANNEL_CHANGE_EVENTID:
3260                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
3261                 break;
3262         case WMI_REPORT_ROAM_DATA_EVENTID:
3263                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
3264                 break;
3265         case WMI_TEST_EVENTID:
3266                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
3267                 ret = ath6kl_wmi_tcmd_test_report_rx(wmi, datap, len);
3268                 break;
3269         case WMI_GET_FIXRATES_CMDID:
3270                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
3271                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
3272                 break;
3273         case WMI_TX_RETRY_ERR_EVENTID:
3274                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
3275                 break;
3276         case WMI_SNR_THRESHOLD_EVENTID:
3277                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
3278                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
3279                 break;
3280         case WMI_LQ_THRESHOLD_EVENTID:
3281                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
3282                 break;
3283         case WMI_APLIST_EVENTID:
3284                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
3285                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
3286                 break;
3287         case WMI_GET_KEEPALIVE_CMDID:
3288                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
3289                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
3290                 break;
3291         case WMI_GET_WOW_LIST_EVENTID:
3292                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
3293                 break;
3294         case WMI_GET_PMKID_LIST_EVENTID:
3295                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
3296                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
3297                 break;
3298         case WMI_PSPOLL_EVENTID:
3299                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3300                 ret = ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3301                 break;
3302         case WMI_DTIMEXPIRY_EVENTID:
3303                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3304                 ret = ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3305                 break;
3306         case WMI_SET_PARAMS_REPLY_EVENTID:
3307                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
3308                 break;
3309         case WMI_ADDBA_REQ_EVENTID:
3310                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3311                 ret = ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3312                 break;
3313         case WMI_ADDBA_RESP_EVENTID:
3314                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
3315                 break;
3316         case WMI_DELBA_REQ_EVENTID:
3317                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3318                 ret = ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3319                 break;
3320         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
3321                 ath6kl_dbg(ATH6KL_DBG_WMI,
3322                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
3323                 break;
3324         case WMI_REPORT_BTCOEX_STATS_EVENTID:
3325                 ath6kl_dbg(ATH6KL_DBG_WMI,
3326                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
3327                 break;
3328         case WMI_TX_COMPLETE_EVENTID:
3329                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
3330                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
3331                 break;
3332         case WMI_REMAIN_ON_CHNL_EVENTID:
3333                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3334                 ret = ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3335                 break;
3336         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3337                 ath6kl_dbg(ATH6KL_DBG_WMI,
3338                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3339                 ret = ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3340                                                                 len, vif);
3341                 break;
3342         case WMI_TX_STATUS_EVENTID:
3343                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3344                 ret = ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3345                 break;
3346         case WMI_RX_PROBE_REQ_EVENTID:
3347                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3348                 ret = ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3349                 break;
3350         case WMI_P2P_CAPABILITIES_EVENTID:
3351                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
3352                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
3353                 break;
3354         case WMI_RX_ACTION_EVENTID:
3355                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3356                 ret = ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3357                 break;
3358         case WMI_P2P_INFO_EVENTID:
3359                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
3360                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
3361                 break;
3362         default:
3363                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", id);
3364                 ret = -EINVAL;
3365                 break;
3366         }
3367
3368         dev_kfree_skb(skb);
3369
3370         return ret;
3371 }
3372
3373 void ath6kl_wmi_reset(struct wmi *wmi)
3374 {
3375         spin_lock_bh(&wmi->lock);
3376
3377         wmi->fat_pipe_exist = 0;
3378         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
3379
3380         spin_unlock_bh(&wmi->lock);
3381 }
3382
3383 void *ath6kl_wmi_init(struct ath6kl *dev)
3384 {
3385         struct wmi *wmi;
3386
3387         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
3388         if (!wmi)
3389                 return NULL;
3390
3391         spin_lock_init(&wmi->lock);
3392
3393         wmi->parent_dev = dev;
3394
3395         wmi->pwr_mode = REC_POWER;
3396
3397         ath6kl_wmi_reset(wmi);
3398
3399         return wmi;
3400 }
3401
3402 void ath6kl_wmi_shutdown(struct wmi *wmi)
3403 {
3404         if (!wmi)
3405                 return;
3406
3407         kfree(wmi->last_mgmt_tx_frame);
3408         kfree(wmi);
3409 }