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

   1 /*
   2  * Copyright (c) 2004-2011 Atheros Communications Inc.
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #include <linux/ip.h>
  18 #include "core.h"
  19 #include "debug.h"
  20 #include "testmode.h"
  21 #include "../regd.h"
  22 #include "../regd_common.h"
  23
  24 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
  25
  26 static const s32 wmi_rate_tbl[][2] = {
  27         /* {W/O SGI, with SGI} */
  28         {1000, 1000},
  29         {2000, 2000},
  30         {5500, 5500},
  31         {11000, 11000},
  32         {6000, 6000},
  33         {9000, 9000},
  34         {12000, 12000},
  35         {18000, 18000},
  36         {24000, 24000},
  37         {36000, 36000},
  38         {48000, 48000},
  39         {54000, 54000},
  40         {6500, 7200},
  41         {13000, 14400},
  42         {19500, 21700},
  43         {26000, 28900},
  44         {39000, 43300},
  45         {52000, 57800},
  46         {58500, 65000},
  47         {65000, 72200},
  48         {13500, 15000},
  49         {27000, 30000},
  50         {40500, 45000},
  51         {54000, 60000},
  52         {81000, 90000},
  53         {108000, 120000},
  54         {121500, 135000},
  55         {135000, 150000},
  56         {0, 0}
  57 };
  58
  59 /* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
  60 static const u8 up_to_ac[] = {
  61         WMM_AC_BE,
  62         WMM_AC_BK,
  63         WMM_AC_BK,
  64         WMM_AC_BE,
  65         WMM_AC_VI,
  66         WMM_AC_VI,
  67         WMM_AC_VO,
  68         WMM_AC_VO,
  69 };
  70
  71 void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
  72 {
  73         if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
  74                 return;
  75
  76         wmi->ep_id = ep_id;
  77 }
  78
  79 enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
  80 {
  81         return wmi->ep_id;
  82 }
  83
  84 struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
  85 {
  86         struct ath6kl_vif *vif, *found = NULL;
  87
  88         if (WARN_ON(if_idx > (ar->vif_max - 1)))
  89                 return NULL;
  90
  91         /* FIXME: Locking */
  92         spin_lock_bh(&ar->list_lock);
  93         list_for_each_entry(vif, &ar->vif_list, list) {
  94                 if (vif->fw_vif_idx == if_idx) {
  95                         found = vif;
  96                         break;
  97                 }
  98         }
  99         spin_unlock_bh(&ar->list_lock);
 100
 101         return found;
 102 }
 103
 104 /*  Performs DIX to 802.3 encapsulation for transmit packets.
 105  *  Assumes the entire DIX header is contigous and that there is
 106  *  enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
 107  */
 108 int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
 109 {
 110         struct ath6kl_llc_snap_hdr *llc_hdr;
 111         struct ethhdr *eth_hdr;
 112         size_t new_len;
 113         __be16 type;
 114         u8 *datap;
 115         u16 size;
 116
 117         if (WARN_ON(skb == NULL))
 118                 return -EINVAL;
 119
 120         size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
 121         if (skb_headroom(skb) < size)
 122                 return -ENOMEM;
 123
 124         eth_hdr = (struct ethhdr *) skb->data;
 125         type = eth_hdr->h_proto;
 126
 127         if (!is_ethertype(be16_to_cpu(type))) {
 128                 ath6kl_dbg(ATH6KL_DBG_WMI,
 129                         "%s: pkt is already in 802.3 format\n", __func__);
 130                 return 0;
 131         }
 132
 133         new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
 134
 135         skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
 136         datap = skb->data;
 137
 138         eth_hdr->h_proto = cpu_to_be16(new_len);
 139
 140         memcpy(datap, eth_hdr, sizeof(*eth_hdr));
 141
 142         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
 143         llc_hdr->dsap = 0xAA;
 144         llc_hdr->ssap = 0xAA;
 145         llc_hdr->cntl = 0x03;
 146         llc_hdr->org_code[0] = 0x0;
 147         llc_hdr->org_code[1] = 0x0;
 148         llc_hdr->org_code[2] = 0x0;
 149         llc_hdr->eth_type = type;
 150
 151         return 0;
 152 }
 153
 154 static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
 155                                u8 *version, void *tx_meta_info)
 156 {
 157         struct wmi_tx_meta_v1 *v1;
 158         struct wmi_tx_meta_v2 *v2;
 159
 160         if (WARN_ON(skb == NULL || version == NULL))
 161                 return -EINVAL;
 162
 163         switch (*version) {
 164         case WMI_META_VERSION_1:
 165                 skb_push(skb, WMI_MAX_TX_META_SZ);
 166                 v1 = (struct wmi_tx_meta_v1 *) skb->data;
 167                 v1->pkt_id = 0;
 168                 v1->rate_plcy_id = 0;
 169                 *version = WMI_META_VERSION_1;
 170                 break;
 171         case WMI_META_VERSION_2:
 172                 skb_push(skb, WMI_MAX_TX_META_SZ);
 173                 v2 = (struct wmi_tx_meta_v2 *) skb->data;
 174                 memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
 175                        sizeof(struct wmi_tx_meta_v2));
 176                 break;
 177         }
 178
 179         return 0;
 180 }
 181
 182 int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
 183                             u8 msg_type, bool more_data,
 184                             enum wmi_data_hdr_data_type data_type,
 185                             u8 meta_ver, void *tx_meta_info, u8 if_idx)
 186 {
 187         struct wmi_data_hdr *data_hdr;
 188         int ret;
 189
 190         if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))
 191                 return -EINVAL;
 192
 193         if (tx_meta_info) {
 194                 ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
 195                 if (ret)
 196                         return ret;
 197         }
 198
 199         skb_push(skb, sizeof(struct wmi_data_hdr));
 200
 201         data_hdr = (struct wmi_data_hdr *)skb->data;
 202         memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
 203
 204         data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
 205         data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
 206
 207         if (more_data)
 208                 data_hdr->info |=
 209                     WMI_DATA_HDR_MORE_MASK << WMI_DATA_HDR_MORE_SHIFT;
 210
 211         data_hdr->info2 = cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
 212         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
 213
 214         return 0;
 215 }
 216
 217 static u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
 218 {
 219         struct iphdr *ip_hdr = (struct iphdr *) pkt;
 220         u8 ip_pri;
 221
 222         /*
 223          * Determine IPTOS priority
 224          *
 225          * IP-TOS - 8bits
 226          *          : DSCP(6-bits) ECN(2-bits)
 227          *          : DSCP - P2 P1 P0 X X X
 228          * where (P2 P1 P0) form 802.1D
 229          */
 230         ip_pri = ip_hdr->tos >> 5;
 231         ip_pri &= 0x7;
 232
 233         if ((layer2_pri & 0x7) > ip_pri)
 234                 return (u8) layer2_pri & 0x7;
 235         else
 236                 return ip_pri;
 237 }
 238
 239 int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
 240                                        struct sk_buff *skb,
 241                                        u32 layer2_priority, bool wmm_enabled,
 242                                        u8 *ac)
 243 {
 244         struct wmi_data_hdr *data_hdr;
 245         struct ath6kl_llc_snap_hdr *llc_hdr;
 246         struct wmi_create_pstream_cmd cmd;
 247         u32 meta_size, hdr_size;
 248         u16 ip_type = IP_ETHERTYPE;
 249         u8 stream_exist, usr_pri;
 250         u8 traffic_class = WMM_AC_BE;
 251         u8 *datap;
 252
 253         if (WARN_ON(skb == NULL))
 254                 return -EINVAL;
 255
 256         datap = skb->data;
 257         data_hdr = (struct wmi_data_hdr *) datap;
 258
 259         meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
 260                      WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
 261
 262         if (!wmm_enabled) {
 263                 /* If WMM is disabled all traffic goes as BE traffic */
 264                 usr_pri = 0;
 265         } else {
 266                 hdr_size = sizeof(struct ethhdr);
 267
 268                 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
 269                                                          sizeof(struct
 270                                                                 wmi_data_hdr) +
 271                                                          meta_size + hdr_size);
 272
 273                 if (llc_hdr->eth_type == htons(ip_type)) {
 274                         /*
 275                          * Extract the endpoint info from the TOS field
 276                          * in the IP header.
 277                          */
 278                         usr_pri =
 279                            ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
 280                                         sizeof(struct ath6kl_llc_snap_hdr),
 281                                         layer2_priority);
 282                 } else
 283                         usr_pri = layer2_priority & 0x7;
 284         }
 285
 286         /*
 287          * workaround for WMM S5
 288          *
 289          * FIXME: wmi->traffic_class is always 100 so this test doesn't
 290          * make sense
 291          */
 292         if ((wmi->traffic_class == WMM_AC_VI) &&
 293             ((usr_pri == 5) || (usr_pri == 4)))
 294                 usr_pri = 1;
 295
 296         /* Convert user priority to traffic class */
 297         traffic_class = up_to_ac[usr_pri & 0x7];
 298
 299         wmi_data_hdr_set_up(data_hdr, usr_pri);
 300
 301         spin_lock_bh(&wmi->lock);
 302         stream_exist = wmi->fat_pipe_exist;
 303         spin_unlock_bh(&wmi->lock);
 304
 305         if (!(stream_exist & (1 << traffic_class))) {
 306                 memset(&cmd, 0, sizeof(cmd));
 307                 cmd.traffic_class = traffic_class;
 308                 cmd.user_pri = usr_pri;
 309                 cmd.inactivity_int =
 310                         cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
 311                 /* Implicit streams are created with TSID 0xFF */
 312                 cmd.tsid = WMI_IMPLICIT_PSTREAM;
 313                 ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
 314         }
 315
 316         *ac = traffic_class;
 317
 318         return 0;
 319 }
 320
 321 int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
 322 {
 323         struct ieee80211_hdr_3addr *pwh, wh;
 324         struct ath6kl_llc_snap_hdr *llc_hdr;
 325         struct ethhdr eth_hdr;
 326         u32 hdr_size;
 327         u8 *datap;
 328         __le16 sub_type;
 329
 330         if (WARN_ON(skb == NULL))
 331                 return -EINVAL;
 332
 333         datap = skb->data;
 334         pwh = (struct ieee80211_hdr_3addr *) datap;
 335
 336         sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
 337
 338         memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
 339
 340         /* Strip off the 802.11 header */
 341         if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
 342                 hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
 343                                    sizeof(u32));
 344                 skb_pull(skb, hdr_size);
 345         } else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA))
 346                 skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
 347
 348         datap = skb->data;
 349         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
 350
 351         memset(&eth_hdr, 0, sizeof(eth_hdr));
 352         eth_hdr.h_proto = llc_hdr->eth_type;
 353
 354         switch ((le16_to_cpu(wh.frame_control)) &
 355                 (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
 356         case 0:
 357                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 358                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 359                 break;
 360         case IEEE80211_FCTL_TODS:
 361                 memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
 362                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 363                 break;
 364         case IEEE80211_FCTL_FROMDS:
 365                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 366                 memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
 367                 break;
 368         case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
 369                 break;
 370         }
 371
 372         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 373         skb_push(skb, sizeof(eth_hdr));
 374
 375         datap = skb->data;
 376
 377         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 378
 379         return 0;
 380 }
 381
 382 /*
 383  * Performs 802.3 to DIX encapsulation for received packets.
 384  * Assumes the entire 802.3 header is contigous.
 385  */
 386 int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
 387 {
 388         struct ath6kl_llc_snap_hdr *llc_hdr;
 389         struct ethhdr eth_hdr;
 390         u8 *datap;
 391
 392         if (WARN_ON(skb == NULL))
 393                 return -EINVAL;
 394
 395         datap = skb->data;
 396
 397         memcpy(&eth_hdr, datap, sizeof(eth_hdr));
 398
 399         llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
 400         eth_hdr.h_proto = llc_hdr->eth_type;
 401
 402         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 403         datap = skb->data;
 404
 405         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 406
 407         return 0;
 408 }
 409
 410 static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
 411 {
 412         struct tx_complete_msg_v1 *msg_v1;
 413         struct wmi_tx_complete_event *evt;
 414         int index;
 415         u16 size;
 416
 417         evt = (struct wmi_tx_complete_event *) datap;
 418
 419         ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
 420                    evt->num_msg, evt->msg_len, evt->msg_type);
 421
 422         if (!AR_DBG_LVL_CHECK(ATH6KL_DBG_WMI))
 423                 return 0;
 424
 425         for (index = 0; index < evt->num_msg; index++) {
 426                 size = sizeof(struct wmi_tx_complete_event) +
 427                     (index * sizeof(struct tx_complete_msg_v1));
 428                 msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
 429
 430                 ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
 431                            msg_v1->status, msg_v1->pkt_id,
 432                            msg_v1->rate_idx, msg_v1->ack_failures);
 433         }
 434
 435         return 0;
 436 }
 437
 438 static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
 439                                               int len, struct ath6kl_vif *vif)
 440 {
 441         struct wmi_remain_on_chnl_event *ev;
 442         u32 freq;
 443         u32 dur;
 444         struct ieee80211_channel *chan;
 445         struct ath6kl *ar = wmi->parent_dev;
 446         u32 id;
 447
 448         if (len < sizeof(*ev))
 449                 return -EINVAL;
 450
 451         ev = (struct wmi_remain_on_chnl_event *) datap;
 452         freq = le32_to_cpu(ev->freq);
 453         dur = le32_to_cpu(ev->duration);
 454         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
 455                    freq, dur);
 456         chan = ieee80211_get_channel(ar->wiphy, freq);
 457         if (!chan) {
 458                 ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: Unknown channel "
 459                            "(freq=%u)\n", freq);
 460                 return -EINVAL;
 461         }
 462         id = vif->last_roc_id;
 463         cfg80211_ready_on_channel(vif->ndev, id, chan, NL80211_CHAN_NO_HT,
 464                                   dur, GFP_ATOMIC);
 465
 466         return 0;
 467 }
 468
 469 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
 470                                                      u8 *datap, int len,
 471                                                      struct ath6kl_vif *vif)
 472 {
 473         struct wmi_cancel_remain_on_chnl_event *ev;
 474         u32 freq;
 475         u32 dur;
 476         struct ieee80211_channel *chan;
 477         struct ath6kl *ar = wmi->parent_dev;
 478         u32 id;
 479
 480         if (len < sizeof(*ev))
 481                 return -EINVAL;
 482
 483         ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
 484         freq = le32_to_cpu(ev->freq);
 485         dur = le32_to_cpu(ev->duration);
 486         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl: freq=%u dur=%u "
 487                    "status=%u\n", freq, dur, ev->status);
 488         chan = ieee80211_get_channel(ar->wiphy, freq);
 489         if (!chan) {
 490                 ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl: Unknown "
 491                            "channel (freq=%u)\n", freq);
 492                 return -EINVAL;
 493         }
 494         if (vif->last_cancel_roc_id &&
 495             vif->last_cancel_roc_id + 1 == vif->last_roc_id)
 496                 id = vif->last_cancel_roc_id; /* event for cancel command */
 497         else
 498                 id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
 499         vif->last_cancel_roc_id = 0;
 500         cfg80211_remain_on_channel_expired(vif->ndev, id, chan,
 501                                            NL80211_CHAN_NO_HT, GFP_ATOMIC);
 502
 503         return 0;
 504 }
 505
 506 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
 507                                          struct ath6kl_vif *vif)
 508 {
 509         struct wmi_tx_status_event *ev;
 510         u32 id;
 511
 512         if (len < sizeof(*ev))
 513                 return -EINVAL;
 514
 515         ev = (struct wmi_tx_status_event *) datap;
 516         id = le32_to_cpu(ev->id);
 517         ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
 518                    id, ev->ack_status);
 519         if (wmi->last_mgmt_tx_frame) {
 520                 cfg80211_mgmt_tx_status(vif->ndev, id,
 521                                         wmi->last_mgmt_tx_frame,
 522                                         wmi->last_mgmt_tx_frame_len,
 523                                         !!ev->ack_status, GFP_ATOMIC);
 524                 kfree(wmi->last_mgmt_tx_frame);
 525                 wmi->last_mgmt_tx_frame = NULL;
 526                 wmi->last_mgmt_tx_frame_len = 0;
 527         }
 528
 529         return 0;
 530 }
 531
 532 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
 533                                             struct ath6kl_vif *vif)
 534 {
 535         struct wmi_p2p_rx_probe_req_event *ev;
 536         u32 freq;
 537         u16 dlen;
 538
 539         if (len < sizeof(*ev))
 540                 return -EINVAL;
 541
 542         ev = (struct wmi_p2p_rx_probe_req_event *) datap;
 543         freq = le32_to_cpu(ev->freq);
 544         dlen = le16_to_cpu(ev->len);
 545         if (datap + len < ev->data + dlen) {
 546                 ath6kl_err("invalid wmi_p2p_rx_probe_req_event: "
 547                            "len=%d dlen=%u\n", len, dlen);
 548                 return -EINVAL;
 549         }
 550         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_probe_req: len=%u freq=%u "
 551                    "probe_req_report=%d\n",
 552                    dlen, freq, vif->probe_req_report);
 553
 554         if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
 555                 cfg80211_rx_mgmt(vif->ndev, freq, ev->data, dlen, GFP_ATOMIC);
 556
 557         return 0;
 558 }
 559
 560 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
 561 {
 562         struct wmi_p2p_capabilities_event *ev;
 563         u16 dlen;
 564
 565         if (len < sizeof(*ev))
 566                 return -EINVAL;
 567
 568         ev = (struct wmi_p2p_capabilities_event *) datap;
 569         dlen = le16_to_cpu(ev->len);
 570         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
 571
 572         return 0;
 573 }
 574
 575 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 576                                          struct ath6kl_vif *vif)
 577 {
 578         struct wmi_rx_action_event *ev;
 579         u32 freq;
 580         u16 dlen;
 581
 582         if (len < sizeof(*ev))
 583                 return -EINVAL;
 584
 585         ev = (struct wmi_rx_action_event *) datap;
 586         freq = le32_to_cpu(ev->freq);
 587         dlen = le16_to_cpu(ev->len);
 588         if (datap + len < ev->data + dlen) {
 589                 ath6kl_err("invalid wmi_rx_action_event: "
 590                            "len=%d dlen=%u\n", len, dlen);
 591                 return -EINVAL;
 592         }
 593         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
 594         cfg80211_rx_mgmt(vif->ndev, freq, ev->data, dlen, GFP_ATOMIC);
 595
 596         return 0;
 597 }
 598
 599 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
 600 {
 601         struct wmi_p2p_info_event *ev;
 602         u32 flags;
 603         u16 dlen;
 604
 605         if (len < sizeof(*ev))
 606                 return -EINVAL;
 607
 608         ev = (struct wmi_p2p_info_event *) datap;
 609         flags = le32_to_cpu(ev->info_req_flags);
 610         dlen = le16_to_cpu(ev->len);
 611         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
 612
 613         if (flags & P2P_FLAG_CAPABILITIES_REQ) {
 614                 struct wmi_p2p_capabilities *cap;
 615                 if (dlen < sizeof(*cap))
 616                         return -EINVAL;
 617                 cap = (struct wmi_p2p_capabilities *) ev->data;
 618                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
 619                            cap->go_power_save);
 620         }
 621
 622         if (flags & P2P_FLAG_MACADDR_REQ) {
 623                 struct wmi_p2p_macaddr *mac;
 624                 if (dlen < sizeof(*mac))
 625                         return -EINVAL;
 626                 mac = (struct wmi_p2p_macaddr *) ev->data;
 627                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
 628                            mac->mac_addr);
 629         }
 630
 631         if (flags & P2P_FLAG_HMODEL_REQ) {
 632                 struct wmi_p2p_hmodel *mod;
 633                 if (dlen < sizeof(*mod))
 634                         return -EINVAL;
 635                 mod = (struct wmi_p2p_hmodel *) ev->data;
 636                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
 637                            mod->p2p_model,
 638                            mod->p2p_model ? "host" : "firmware");
 639         }
 640         return 0;
 641 }
 642
 643 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
 644 {
 645         struct sk_buff *skb;
 646
 647         skb = ath6kl_buf_alloc(size);
 648         if (!skb)
 649                 return NULL;
 650
 651         skb_put(skb, size);
 652         if (size)
 653                 memset(skb->data, 0, size);
 654
 655         return skb;
 656 }
 657
 658 /* Send a "simple" wmi command -- one with no arguments */
 659 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
 660                                  enum wmi_cmd_id cmd_id)
 661 {
 662         struct sk_buff *skb;
 663         int ret;
 664
 665         skb = ath6kl_wmi_get_new_buf(0);
 666         if (!skb)
 667                 return -ENOMEM;
 668
 669         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
 670
 671         return ret;
 672 }
 673
 674 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
 675 {
 676         struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
 677
 678         if (len < sizeof(struct wmi_ready_event_2))
 679                 return -EINVAL;
 680
 681         ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
 682                            le32_to_cpu(ev->sw_version),
 683                            le32_to_cpu(ev->abi_version));
 684
 685         return 0;
 686 }
 687
 688 /*
 689  * Mechanism to modify the roaming behavior in the firmware. The lower rssi
 690  * at which the station has to roam can be passed with
 691  * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
 692  * in dBm.
 693  */
 694 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
 695 {
 696         struct sk_buff *skb;
 697         struct roam_ctrl_cmd *cmd;
 698
 699         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 700         if (!skb)
 701                 return -ENOMEM;
 702
 703         cmd = (struct roam_ctrl_cmd *) skb->data;
 704
 705         cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
 706         cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
 707                                                        DEF_SCAN_FOR_ROAM_INTVL);
 708         cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
 709         cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
 710         cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
 711
 712         ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 713                             NO_SYNC_WMIFLAG);
 714
 715         return 0;
 716 }
 717
 718 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
 719 {
 720         struct sk_buff *skb;
 721         struct roam_ctrl_cmd *cmd;
 722
 723         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 724         if (!skb)
 725                 return -ENOMEM;
 726
 727         cmd = (struct roam_ctrl_cmd *) skb->data;
 728         memset(cmd, 0, sizeof(*cmd));
 729
 730         memcpy(cmd->info.bssid, bssid, ETH_ALEN);
 731         cmd->roam_ctrl = WMI_FORCE_ROAM;
 732
 733         ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
 734         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 735                                    NO_SYNC_WMIFLAG);
 736 }
 737
 738 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 739 {
 740         struct sk_buff *skb;
 741         struct roam_ctrl_cmd *cmd;
 742
 743         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 744         if (!skb)
 745                 return -ENOMEM;
 746
 747         cmd = (struct roam_ctrl_cmd *) skb->data;
 748         memset(cmd, 0, sizeof(*cmd));
 749
 750         cmd->info.roam_mode = mode;
 751         cmd->roam_ctrl = WMI_SET_ROAM_MODE;
 752
 753         ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
 754         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 755                                    NO_SYNC_WMIFLAG);
 756 }
 757
 758 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
 759                                        struct ath6kl_vif *vif)
 760 {
 761         struct wmi_connect_event *ev;
 762         u8 *pie, *peie;
 763
 764         if (len < sizeof(struct wmi_connect_event))
 765                 return -EINVAL;
 766
 767         ev = (struct wmi_connect_event *) datap;
 768
 769         if (vif->nw_type == AP_NETWORK) {
 770                 /* AP mode start/STA connected event */
 771                 struct net_device *dev = vif->ndev;
 772                 if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
 773                         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: freq %d bssid %pM "
 774                                    "(AP started)\n",
 775                                    __func__, le16_to_cpu(ev->u.ap_bss.ch),
 776                                    ev->u.ap_bss.bssid);
 777                         ath6kl_connect_ap_mode_bss(
 778                                 vif, le16_to_cpu(ev->u.ap_bss.ch));
 779                 } else {
 780                         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: aid %u mac_addr %pM "
 781                                    "auth=%u keymgmt=%u cipher=%u apsd_info=%u "
 782                                    "(STA connected)\n",
 783                                    __func__, ev->u.ap_sta.aid,
 784                                    ev->u.ap_sta.mac_addr,
 785                                    ev->u.ap_sta.auth,
 786                                    ev->u.ap_sta.keymgmt,
 787                                    le16_to_cpu(ev->u.ap_sta.cipher),
 788                                    ev->u.ap_sta.apsd_info);
 789                         ath6kl_connect_ap_mode_sta(
 790                                 vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
 791                                 ev->u.ap_sta.keymgmt,
 792                                 le16_to_cpu(ev->u.ap_sta.cipher),
 793                                 ev->u.ap_sta.auth, ev->assoc_req_len,
 794                                 ev->assoc_info + ev->beacon_ie_len);
 795                 }
 796                 return 0;
 797         }
 798
 799         /* STA/IBSS mode connection event */
 800
 801         ath6kl_dbg(ATH6KL_DBG_WMI,
 802                    "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
 803                    le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
 804                    le16_to_cpu(ev->u.sta.listen_intvl),
 805                    le16_to_cpu(ev->u.sta.beacon_intvl),
 806                    le32_to_cpu(ev->u.sta.nw_type));
 807
 808         /* Start of assoc rsp IEs */
 809         pie = ev->assoc_info + ev->beacon_ie_len +
 810               ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
 811
 812         /* End of assoc rsp IEs */
 813         peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
 814             ev->assoc_resp_len;
 815
 816         while (pie < peie) {
 817                 switch (*pie) {
 818                 case WLAN_EID_VENDOR_SPECIFIC:
 819                         if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
 820                             pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
 821                                 /* WMM OUT (00:50:F2) */
 822                                 if (pie[1] > 5
 823                                     && pie[6] == WMM_PARAM_OUI_SUBTYPE)
 824                                         wmi->is_wmm_enabled = true;
 825                         }
 826                         break;
 827                 }
 828
 829                 if (wmi->is_wmm_enabled)
 830                         break;
 831
 832                 pie += pie[1] + 2;
 833         }
 834
 835         ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
 836                              ev->u.sta.bssid,
 837                              le16_to_cpu(ev->u.sta.listen_intvl),
 838                              le16_to_cpu(ev->u.sta.beacon_intvl),
 839                              le32_to_cpu(ev->u.sta.nw_type),
 840                              ev->beacon_ie_len, ev->assoc_req_len,
 841                              ev->assoc_resp_len, ev->assoc_info);
 842
 843         return 0;
 844 }
 845
 846 static struct country_code_to_enum_rd *
 847 ath6kl_regd_find_country(u16 countryCode)
 848 {
 849         int i;
 850
 851         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 852                 if (allCountries[i].countryCode == countryCode)
 853                         return &allCountries[i];
 854         }
 855
 856         return NULL;
 857 }
 858
 859 static struct reg_dmn_pair_mapping *
 860 ath6kl_get_regpair(u16 regdmn)
 861 {
 862         int i;
 863
 864         if (regdmn == NO_ENUMRD)
 865                 return NULL;
 866
 867         for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
 868                 if (regDomainPairs[i].regDmnEnum == regdmn)
 869                         return &regDomainPairs[i];
 870         }
 871
 872         return NULL;
 873 }
 874
 875 static struct country_code_to_enum_rd *
 876 ath6kl_regd_find_country_by_rd(u16 regdmn)
 877 {
 878         int i;
 879
 880         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 881                 if (allCountries[i].regDmnEnum == regdmn)
 882                         return &allCountries[i];
 883         }
 884
 885         return NULL;
 886 }
 887
 888 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 889 {
 890
 891         struct ath6kl_wmi_regdomain *ev;
 892         struct country_code_to_enum_rd *country = NULL;
 893         struct reg_dmn_pair_mapping *regpair = NULL;
 894         char alpha2[2];
 895         u32 reg_code;
 896
 897         ev = (struct ath6kl_wmi_regdomain *) datap;
 898         reg_code = le32_to_cpu(ev->reg_code);
 899
 900         if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG)
 901                 country = ath6kl_regd_find_country((u16) reg_code);
 902         else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
 903
 904                 regpair = ath6kl_get_regpair((u16) reg_code);
 905                 country = ath6kl_regd_find_country_by_rd((u16) reg_code);
 906                 ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
 907                                 regpair->regDmnEnum);
 908         }
 909
 910         if (country) {
 911                 alpha2[0] = country->isoName[0];
 912                 alpha2[1] = country->isoName[1];
 913
 914                 regulatory_hint(wmi->parent_dev->wiphy, alpha2);
 915
 916                 ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
 917                                 alpha2[0], alpha2[1]);
 918         }
 919 }
 920
 921 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
 922                                           struct ath6kl_vif *vif)
 923 {
 924         struct wmi_disconnect_event *ev;
 925         wmi->traffic_class = 100;
 926
 927         if (len < sizeof(struct wmi_disconnect_event))
 928                 return -EINVAL;
 929
 930         ev = (struct wmi_disconnect_event *) datap;
 931
 932         ath6kl_dbg(ATH6KL_DBG_WMI,
 933                    "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
 934                    le16_to_cpu(ev->proto_reason_status), ev->bssid,
 935                    ev->disconn_reason, ev->assoc_resp_len);
 936
 937         wmi->is_wmm_enabled = false;
 938
 939         ath6kl_disconnect_event(vif, ev->disconn_reason,
 940                                 ev->bssid, ev->assoc_resp_len, ev->assoc_info,
 941                                 le16_to_cpu(ev->proto_reason_status));
 942
 943         return 0;
 944 }
 945
 946 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
 947 {
 948         struct wmi_peer_node_event *ev;
 949
 950         if (len < sizeof(struct wmi_peer_node_event))
 951                 return -EINVAL;
 952
 953         ev = (struct wmi_peer_node_event *) datap;
 954
 955         if (ev->event_code == PEER_NODE_JOIN_EVENT)
 956                 ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
 957                            ev->peer_mac_addr);
 958         else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
 959                 ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
 960                            ev->peer_mac_addr);
 961
 962         return 0;
 963 }
 964
 965 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
 966                                            struct ath6kl_vif *vif)
 967 {
 968         struct wmi_tkip_micerr_event *ev;
 969
 970         if (len < sizeof(struct wmi_tkip_micerr_event))
 971                 return -EINVAL;
 972
 973         ev = (struct wmi_tkip_micerr_event *) datap;
 974
 975         ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
 976
 977         return 0;
 978 }
 979
 980 void ath6kl_wmi_sscan_timer(unsigned long ptr)
 981 {
 982         struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
 983
 984         cfg80211_sched_scan_results(vif->ar->wiphy);
 985 }
 986
 987 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
 988                                        struct ath6kl_vif *vif)
 989 {
 990         struct wmi_bss_info_hdr2 *bih;
 991         u8 *buf;
 992         struct ieee80211_channel *channel;
 993         struct ath6kl *ar = wmi->parent_dev;
 994         struct ieee80211_mgmt *mgmt;
 995         struct cfg80211_bss *bss;
 996
 997         if (len <= sizeof(struct wmi_bss_info_hdr2))
 998                 return -EINVAL;
 999
1000         bih = (struct wmi_bss_info_hdr2 *) datap;
1001         buf = datap + sizeof(struct wmi_bss_info_hdr2);
1002         len -= sizeof(struct wmi_bss_info_hdr2);
1003
1004         ath6kl_dbg(ATH6KL_DBG_WMI,
1005                    "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1006                    "frame_type=%d\n",
1007                    bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1008                    bih->frame_type);
1009
1010         if (bih->frame_type != BEACON_FTYPE &&
1011             bih->frame_type != PROBERESP_FTYPE)
1012                 return 0; /* Only update BSS table for now */
1013
1014         if (bih->frame_type == BEACON_FTYPE &&
1015             test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1016                 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1017                 ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1018                                          NONE_BSS_FILTER, 0);
1019         }
1020
1021         channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1022         if (channel == NULL)
1023                 return -EINVAL;
1024
1025         if (len < 8 + 2 + 2)
1026                 return -EINVAL;
1027
1028         if (bih->frame_type == BEACON_FTYPE && test_bit(CONNECTED, &vif->flags)
1029             && memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1030                 const u8 *tim;
1031                 tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1032                                        len - 8 - 2 - 2);
1033                 if (tim && tim[1] >= 2) {
1034                         vif->assoc_bss_dtim_period = tim[3];
1035                         set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1036                 }
1037         }
1038
1039         /*
1040          * In theory, use of cfg80211_inform_bss() would be more natural here
1041          * since we do not have the full frame. However, at least for now,
1042          * cfg80211 can only distinguish Beacon and Probe Response frames from
1043          * each other when using cfg80211_inform_bss_frame(), so let's build a
1044          * fake IEEE 802.11 header to be able to take benefit of this.
1045          */
1046         mgmt = kmalloc(24 + len, GFP_ATOMIC);
1047         if (mgmt == NULL)
1048                 return -EINVAL;
1049
1050         if (bih->frame_type == BEACON_FTYPE) {
1051                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1052                                                   IEEE80211_STYPE_BEACON);
1053                 memset(mgmt->da, 0xff, ETH_ALEN);
1054         } else {
1055                 struct net_device *dev = vif->ndev;
1056
1057                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1058                                                   IEEE80211_STYPE_PROBE_RESP);
1059                 memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
1060         }
1061         mgmt->duration = cpu_to_le16(0);
1062         memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
1063         memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
1064         mgmt->seq_ctrl = cpu_to_le16(0);
1065
1066         memcpy(&mgmt->u.beacon, buf, len);
1067
1068         bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
1069                                         24 + len, (bih->snr - 95) * 100,
1070                                         GFP_ATOMIC);
1071         kfree(mgmt);
1072         if (bss == NULL)
1073                 return -ENOMEM;
1074         cfg80211_put_bss(bss);
1075
1076         /*
1077          * Firmware doesn't return any event when scheduled scan has
1078          * finished, so we need to use a timer to find out when there are
1079          * no more results.
1080          *
1081          * The timer is started from the first bss info received, otherwise
1082          * the timer would not ever fire if the scan interval is short
1083          * enough.
1084          */
1085         if (ar->state == ATH6KL_STATE_SCHED_SCAN &&
1086             !timer_pending(&vif->sched_scan_timer)) {
1087                 mod_timer(&vif->sched_scan_timer, jiffies +
1088                           msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1089         }
1090
1091         return 0;
1092 }
1093
1094 /* Inactivity timeout of a fatpipe(pstream) at the target */
1095 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1096                                                int len)
1097 {
1098         struct wmi_pstream_timeout_event *ev;
1099
1100         if (len < sizeof(struct wmi_pstream_timeout_event))
1101                 return -EINVAL;
1102
1103         ev = (struct wmi_pstream_timeout_event *) datap;
1104
1105         /*
1106          * When the pstream (fat pipe == AC) timesout, it means there were
1107          * no thinStreams within this pstream & it got implicitly created
1108          * due to data flow on this AC. We start the inactivity timer only
1109          * for implicitly created pstream. Just reset the host state.
1110          */
1111         spin_lock_bh(&wmi->lock);
1112         wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1113         wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1114         spin_unlock_bh(&wmi->lock);
1115
1116         /* Indicate inactivity to driver layer for this fatpipe (pstream) */
1117         ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1118
1119         return 0;
1120 }
1121
1122 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1123 {
1124         struct wmi_bit_rate_reply *reply;
1125         s32 rate;
1126         u32 sgi, index;
1127
1128         if (len < sizeof(struct wmi_bit_rate_reply))
1129                 return -EINVAL;
1130
1131         reply = (struct wmi_bit_rate_reply *) datap;
1132
1133         ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1134
1135         if (reply->rate_index == (s8) RATE_AUTO) {
1136                 rate = RATE_AUTO;
1137         } else {
1138                 index = reply->rate_index & 0x7f;
1139                 sgi = (reply->rate_index & 0x80) ? 1 : 0;
1140                 rate = wmi_rate_tbl[index][sgi];
1141         }
1142
1143         ath6kl_wakeup_event(wmi->parent_dev);
1144
1145         return 0;
1146 }
1147
1148 static int ath6kl_wmi_tcmd_test_report_rx(struct wmi *wmi, u8 *datap, int len)
1149 {
1150         ath6kl_tm_rx_report_event(wmi->parent_dev, datap, len);
1151
1152         return 0;
1153 }
1154
1155 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1156 {
1157         if (len < sizeof(struct wmi_fix_rates_reply))
1158                 return -EINVAL;
1159
1160         ath6kl_wakeup_event(wmi->parent_dev);
1161
1162         return 0;
1163 }
1164
1165 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1166 {
1167         if (len < sizeof(struct wmi_channel_list_reply))
1168                 return -EINVAL;
1169
1170         ath6kl_wakeup_event(wmi->parent_dev);
1171
1172         return 0;
1173 }
1174
1175 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1176 {
1177         struct wmi_tx_pwr_reply *reply;
1178
1179         if (len < sizeof(struct wmi_tx_pwr_reply))
1180                 return -EINVAL;
1181
1182         reply = (struct wmi_tx_pwr_reply *) datap;
1183         ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1184
1185         return 0;
1186 }
1187
1188 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1189 {
1190         if (len < sizeof(struct wmi_get_keepalive_cmd))
1191                 return -EINVAL;
1192
1193         ath6kl_wakeup_event(wmi->parent_dev);
1194
1195         return 0;
1196 }
1197
1198 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1199                                        struct ath6kl_vif *vif)
1200 {
1201         struct wmi_scan_complete_event *ev;
1202
1203         ev = (struct wmi_scan_complete_event *) datap;
1204
1205         ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1206         wmi->is_probe_ssid = false;
1207
1208         return 0;
1209 }
1210
1211 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1212                                                int len, struct ath6kl_vif *vif)
1213 {
1214         struct wmi_neighbor_report_event *ev;
1215         u8 i;
1216
1217         if (len < sizeof(*ev))
1218                 return -EINVAL;
1219         ev = (struct wmi_neighbor_report_event *) datap;
1220         if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1221             > len) {
1222                 ath6kl_dbg(ATH6KL_DBG_WMI, "truncated neighbor event "
1223                            "(num=%d len=%d)\n", ev->num_neighbors, len);
1224                 return -EINVAL;
1225         }
1226         for (i = 0; i < ev->num_neighbors; i++) {
1227                 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1228                            i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1229                            ev->neighbor[i].bss_flags);
1230                 cfg80211_pmksa_candidate_notify(vif->ndev, i,
1231                                                 ev->neighbor[i].bssid,
1232                                                 !!(ev->neighbor[i].bss_flags &
1233                                                    WMI_PREAUTH_CAPABLE_BSS),
1234                                                 GFP_ATOMIC);
1235         }
1236
1237         return 0;
1238 }
1239
1240 /*
1241  * Target is reporting a programming error.  This is for
1242  * developer aid only.  Target only checks a few common violations
1243  * and it is responsibility of host to do all error checking.
1244  * Behavior of target after wmi error event is undefined.
1245  * A reset is recommended.
1246  */
1247 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1248 {
1249         const char *type = "unknown error";
1250         struct wmi_cmd_error_event *ev;
1251         ev = (struct wmi_cmd_error_event *) datap;
1252
1253         switch (ev->err_code) {
1254         case INVALID_PARAM:
1255                 type = "invalid parameter";
1256                 break;
1257         case ILLEGAL_STATE:
1258                 type = "invalid state";
1259                 break;
1260         case INTERNAL_ERROR:
1261                 type = "internal error";
1262                 break;
1263         }
1264
1265         ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1266                    ev->cmd_id, type);
1267
1268         return 0;
1269 }
1270
1271 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1272                                      struct ath6kl_vif *vif)
1273 {
1274         ath6kl_tgt_stats_event(vif, datap, len);
1275
1276         return 0;
1277 }
1278
1279 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1280                                          struct sq_threshold_params *sq_thresh,
1281                                          u32 size)
1282 {
1283         u32 index;
1284         u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1285
1286         /* The list is already in sorted order. Get the next lower value */
1287         for (index = 0; index < size; index++) {
1288                 if (rssi < sq_thresh->upper_threshold[index]) {
1289                         threshold = (u8) sq_thresh->upper_threshold[index];
1290                         break;
1291                 }
1292         }
1293
1294         return threshold;
1295 }
1296
1297 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1298                                          struct sq_threshold_params *sq_thresh,
1299                                          u32 size)
1300 {
1301         u32 index;
1302         u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1303
1304         /* The list is already in sorted order. Get the next lower value */
1305         for (index = 0; index < size; index++) {
1306                 if (rssi > sq_thresh->lower_threshold[index]) {
1307                         threshold = (u8) sq_thresh->lower_threshold[index];
1308                         break;
1309                 }
1310         }
1311
1312         return threshold;
1313 }
1314
1315 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1316                         struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1317 {
1318         struct sk_buff *skb;
1319         struct wmi_rssi_threshold_params_cmd *cmd;
1320
1321         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1322         if (!skb)
1323                 return -ENOMEM;
1324
1325         cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1326         memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1327
1328         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1329                                    NO_SYNC_WMIFLAG);
1330 }
1331
1332 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1333                                               int len)
1334 {
1335         struct wmi_rssi_threshold_event *reply;
1336         struct wmi_rssi_threshold_params_cmd cmd;
1337         struct sq_threshold_params *sq_thresh;
1338         enum wmi_rssi_threshold_val new_threshold;
1339         u8 upper_rssi_threshold, lower_rssi_threshold;
1340         s16 rssi;
1341         int ret;
1342
1343         if (len < sizeof(struct wmi_rssi_threshold_event))
1344                 return -EINVAL;
1345
1346         reply = (struct wmi_rssi_threshold_event *) datap;
1347         new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1348         rssi = a_sle16_to_cpu(reply->rssi);
1349
1350         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1351
1352         /*
1353          * Identify the threshold breached and communicate that to the app.
1354          * After that install a new set of thresholds based on the signal
1355          * quality reported by the target
1356          */
1357         if (new_threshold) {
1358                 /* Upper threshold breached */
1359                 if (rssi < sq_thresh->upper_threshold[0]) {
1360                         ath6kl_dbg(ATH6KL_DBG_WMI,
1361                                 "spurious upper rssi threshold event: %d\n",
1362                                 rssi);
1363                 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1364                            (rssi >= sq_thresh->upper_threshold[0])) {
1365                         new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1366                 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1367                            (rssi >= sq_thresh->upper_threshold[1])) {
1368                         new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1369                 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1370                            (rssi >= sq_thresh->upper_threshold[2])) {
1371                         new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1372                 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1373                            (rssi >= sq_thresh->upper_threshold[3])) {
1374                         new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1375                 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1376                            (rssi >= sq_thresh->upper_threshold[4])) {
1377                         new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1378                 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1379                         new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1380                 }
1381         } else {
1382                 /* Lower threshold breached */
1383                 if (rssi > sq_thresh->lower_threshold[0]) {
1384                         ath6kl_dbg(ATH6KL_DBG_WMI,
1385                                 "spurious lower rssi threshold event: %d %d\n",
1386                                 rssi, sq_thresh->lower_threshold[0]);
1387                 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1388                            (rssi <= sq_thresh->lower_threshold[0])) {
1389                         new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1390                 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1391                            (rssi <= sq_thresh->lower_threshold[1])) {
1392                         new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1393                 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1394                            (rssi <= sq_thresh->lower_threshold[2])) {
1395                         new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1396                 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1397                            (rssi <= sq_thresh->lower_threshold[3])) {
1398                         new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1399                 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1400                            (rssi <= sq_thresh->lower_threshold[4])) {
1401                         new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1402                 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1403                         new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1404                 }
1405         }
1406
1407         /* Calculate and install the next set of thresholds */
1408         lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1409                                        sq_thresh->lower_threshold_valid_count);
1410         upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1411                                        sq_thresh->upper_threshold_valid_count);
1412
1413         /* Issue a wmi command to install the thresholds */
1414         cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1415         cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1416         cmd.weight = sq_thresh->weight;
1417         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1418
1419         ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1420         if (ret) {
1421                 ath6kl_err("unable to configure rssi thresholds\n");
1422                 return -EIO;
1423         }
1424
1425         return 0;
1426 }
1427
1428 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1429                                    struct ath6kl_vif *vif)
1430 {
1431         struct wmi_cac_event *reply;
1432         struct ieee80211_tspec_ie *ts;
1433         u16 active_tsids, tsinfo;
1434         u8 tsid, index;
1435         u8 ts_id;
1436
1437         if (len < sizeof(struct wmi_cac_event))
1438                 return -EINVAL;
1439
1440         reply = (struct wmi_cac_event *) datap;
1441
1442         if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1443             (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1444
1445                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1446                 tsinfo = le16_to_cpu(ts->tsinfo);
1447                 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1448                         IEEE80211_WMM_IE_TSPEC_TID_MASK;
1449
1450                 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1451                                               reply->ac, tsid);
1452         } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1453                 /*
1454                  * Following assumes that there is only one outstanding
1455                  * ADDTS request when this event is received
1456                  */
1457                 spin_lock_bh(&wmi->lock);
1458                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1459                 spin_unlock_bh(&wmi->lock);
1460
1461                 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1462                         if ((active_tsids >> index) & 1)
1463                                 break;
1464                 }
1465                 if (index < (sizeof(active_tsids) * 8))
1466                         ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1467                                                       reply->ac, index);
1468         }
1469
1470         /*
1471          * Clear active tsids and Add missing handling
1472          * for delete qos stream from AP
1473          */
1474         else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1475
1476                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1477                 tsinfo = le16_to_cpu(ts->tsinfo);
1478                 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1479                          IEEE80211_WMM_IE_TSPEC_TID_MASK);
1480
1481                 spin_lock_bh(&wmi->lock);
1482                 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1483                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1484                 spin_unlock_bh(&wmi->lock);
1485
1486                 /* Indicate stream inactivity to driver layer only if all tsids
1487                  * within this AC are deleted.
1488                  */
1489                 if (!active_tsids) {
1490                         ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1491                                                     false);
1492                         wmi->fat_pipe_exist &= ~(1 << reply->ac);
1493                 }
1494         }
1495
1496         return 0;
1497 }
1498
1499 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1500                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1501 {
1502         struct sk_buff *skb;
1503         struct wmi_snr_threshold_params_cmd *cmd;
1504
1505         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1506         if (!skb)
1507                 return -ENOMEM;
1508
1509         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1510         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1511
1512         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1513                                    NO_SYNC_WMIFLAG);
1514 }
1515
1516 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1517                                              int len)
1518 {
1519         struct wmi_snr_threshold_event *reply;
1520         struct sq_threshold_params *sq_thresh;
1521         struct wmi_snr_threshold_params_cmd cmd;
1522         enum wmi_snr_threshold_val new_threshold;
1523         u8 upper_snr_threshold, lower_snr_threshold;
1524         s16 snr;
1525         int ret;
1526
1527         if (len < sizeof(struct wmi_snr_threshold_event))
1528                 return -EINVAL;
1529
1530         reply = (struct wmi_snr_threshold_event *) datap;
1531
1532         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1533         snr = reply->snr;
1534
1535         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1536
1537         /*
1538          * Identify the threshold breached and communicate that to the app.
1539          * After that install a new set of thresholds based on the signal
1540          * quality reported by the target.
1541          */
1542         if (new_threshold) {
1543                 /* Upper threshold breached */
1544                 if (snr < sq_thresh->upper_threshold[0]) {
1545                         ath6kl_dbg(ATH6KL_DBG_WMI,
1546                                 "spurious upper snr threshold event: %d\n",
1547                                 snr);
1548                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1549                            (snr >= sq_thresh->upper_threshold[0])) {
1550                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1551                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1552                            (snr >= sq_thresh->upper_threshold[1])) {
1553                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1554                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1555                            (snr >= sq_thresh->upper_threshold[2])) {
1556                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1557                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1558                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1559                 }
1560         } else {
1561                 /* Lower threshold breached */
1562                 if (snr > sq_thresh->lower_threshold[0]) {
1563                         ath6kl_dbg(ATH6KL_DBG_WMI,
1564                                 "spurious lower snr threshold event: %d\n",
1565                                 sq_thresh->lower_threshold[0]);
1566                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1567                            (snr <= sq_thresh->lower_threshold[0])) {
1568                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1569                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1570                            (snr <= sq_thresh->lower_threshold[1])) {
1571                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1572                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1573                            (snr <= sq_thresh->lower_threshold[2])) {
1574                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1575                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1576                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1577                 }
1578         }
1579
1580         /* Calculate and install the next set of thresholds */
1581         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1582                                        sq_thresh->lower_threshold_valid_count);
1583         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1584                                        sq_thresh->upper_threshold_valid_count);
1585
1586         /* Issue a wmi command to install the thresholds */
1587         cmd.thresh_above1_val = upper_snr_threshold;
1588         cmd.thresh_below1_val = lower_snr_threshold;
1589         cmd.weight = sq_thresh->weight;
1590         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1591
1592         ath6kl_dbg(ATH6KL_DBG_WMI,
1593                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1594                    snr, new_threshold,
1595                    lower_snr_threshold, upper_snr_threshold);
1596
1597         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1598         if (ret) {
1599                 ath6kl_err("unable to configure snr threshold\n");
1600                 return -EIO;
1601         }
1602
1603         return 0;
1604 }
1605
1606 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1607 {
1608         u16 ap_info_entry_size;
1609         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1610         struct wmi_ap_info_v1 *ap_info_v1;
1611         u8 index;
1612
1613         if (len < sizeof(struct wmi_aplist_event) ||
1614             ev->ap_list_ver != APLIST_VER1)
1615                 return -EINVAL;
1616
1617         ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1618         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1619
1620         ath6kl_dbg(ATH6KL_DBG_WMI,
1621                    "number of APs in aplist event: %d\n", ev->num_ap);
1622
1623         if (len < (int) (sizeof(struct wmi_aplist_event) +
1624                          (ev->num_ap - 1) * ap_info_entry_size))
1625                 return -EINVAL;
1626
1627         /* AP list version 1 contents */
1628         for (index = 0; index < ev->num_ap; index++) {
1629                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1630                            index, ap_info_v1->bssid, ap_info_v1->channel);
1631                 ap_info_v1++;
1632         }
1633
1634         return 0;
1635 }
1636
1637 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1638                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1639 {
1640         struct wmi_cmd_hdr *cmd_hdr;
1641         enum htc_endpoint_id ep_id = wmi->ep_id;
1642         int ret;
1643         u16 info1;
1644
1645         if (WARN_ON(skb == NULL || (if_idx > (wmi->parent_dev->vif_max - 1))))
1646                 return -EINVAL;
1647
1648         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1649                    cmd_id, skb->len, sync_flag);
1650         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1651                         skb->data, skb->len);
1652
1653         if (sync_flag >= END_WMIFLAG) {
1654                 dev_kfree_skb(skb);
1655                 return -EINVAL;
1656         }
1657
1658         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1659             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1660                 /*
1661                  * Make sure all data currently queued is transmitted before
1662                  * the cmd execution.  Establish a new sync point.
1663                  */
1664                 ath6kl_wmi_sync_point(wmi, if_idx);
1665         }
1666
1667         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1668
1669         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1670         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1671         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1672         cmd_hdr->info1 = cpu_to_le16(info1);
1673
1674         /* Only for OPT_TX_CMD, use BE endpoint. */
1675         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1676                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1677                                               false, false, 0, NULL, if_idx);
1678                 if (ret) {
1679                         dev_kfree_skb(skb);
1680                         return ret;
1681                 }
1682                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1683         }
1684
1685         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1686
1687         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1688             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1689                 /*
1690                  * Make sure all new data queued waits for the command to
1691                  * execute. Establish a new sync point.
1692                  */
1693                 ath6kl_wmi_sync_point(wmi, if_idx);
1694         }
1695
1696         return 0;
1697 }
1698
1699 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1700                            enum network_type nw_type,
1701                            enum dot11_auth_mode dot11_auth_mode,
1702                            enum auth_mode auth_mode,
1703                            enum crypto_type pairwise_crypto,
1704                            u8 pairwise_crypto_len,
1705                            enum crypto_type group_crypto,
1706                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1707                            u8 *bssid, u16 channel, u32 ctrl_flags,
1708                            u8 nw_subtype)
1709 {
1710         struct sk_buff *skb;
1711         struct wmi_connect_cmd *cc;
1712         int ret;
1713
1714         ath6kl_dbg(ATH6KL_DBG_WMI,
1715                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1716                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1717                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1718                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1719         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1720
1721         wmi->traffic_class = 100;
1722
1723         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1724                 return -EINVAL;
1725
1726         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1727                 return -EINVAL;
1728
1729         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1730         if (!skb)
1731                 return -ENOMEM;
1732
1733         cc = (struct wmi_connect_cmd *) skb->data;
1734
1735         if (ssid_len)
1736                 memcpy(cc->ssid, ssid, ssid_len);
1737
1738         cc->ssid_len = ssid_len;
1739         cc->nw_type = nw_type;
1740         cc->dot11_auth_mode = dot11_auth_mode;
1741         cc->auth_mode = auth_mode;
1742         cc->prwise_crypto_type = pairwise_crypto;
1743         cc->prwise_crypto_len = pairwise_crypto_len;
1744         cc->grp_crypto_type = group_crypto;
1745         cc->grp_crypto_len = group_crypto_len;
1746         cc->ch = cpu_to_le16(channel);
1747         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1748         cc->nw_subtype = nw_subtype;
1749
1750         if (bssid != NULL)
1751                 memcpy(cc->bssid, bssid, ETH_ALEN);
1752
1753         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1754                                   NO_SYNC_WMIFLAG);
1755
1756         return ret;
1757 }
1758
1759 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1760                              u16 channel)
1761 {
1762         struct sk_buff *skb;
1763         struct wmi_reconnect_cmd *cc;
1764         int ret;
1765
1766         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1767                    bssid, channel);
1768
1769         wmi->traffic_class = 100;
1770
1771         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1772         if (!skb)
1773                 return -ENOMEM;
1774
1775         cc = (struct wmi_reconnect_cmd *) skb->data;
1776         cc->channel = cpu_to_le16(channel);
1777
1778         if (bssid != NULL)
1779                 memcpy(cc->bssid, bssid, ETH_ALEN);
1780
1781         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1782                                   NO_SYNC_WMIFLAG);
1783
1784         return ret;
1785 }
1786
1787 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1788 {
1789         int ret;
1790
1791         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1792
1793         wmi->traffic_class = 100;
1794
1795         /* Disconnect command does not need to do a SYNC before. */
1796         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1797
1798         return ret;
1799 }
1800
1801 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1802                              enum wmi_scan_type scan_type,
1803                              u32 force_fgscan, u32 is_legacy,
1804                              u32 home_dwell_time, u32 force_scan_interval,
1805                              s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
1806 {
1807         struct sk_buff *skb;
1808         struct wmi_begin_scan_cmd *sc;
1809         s8 size;
1810         int i, band, ret;
1811         struct ath6kl *ar = wmi->parent_dev;
1812         int num_rates;
1813
1814         size = sizeof(struct wmi_begin_scan_cmd);
1815
1816         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1817                 return -EINVAL;
1818
1819         if (num_chan > WMI_MAX_CHANNELS)
1820                 return -EINVAL;
1821
1822         if (num_chan)
1823                 size += sizeof(u16) * (num_chan - 1);
1824
1825         skb = ath6kl_wmi_get_new_buf(size);
1826         if (!skb)
1827                 return -ENOMEM;
1828
1829         sc = (struct wmi_begin_scan_cmd *) skb->data;
1830         sc->scan_type = scan_type;
1831         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1832         sc->is_legacy = cpu_to_le32(is_legacy);
1833         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1834         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1835         sc->no_cck = cpu_to_le32(no_cck);
1836         sc->num_ch = num_chan;
1837
1838         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
1839                 struct ieee80211_supported_band *sband =
1840                     ar->wiphy->bands[band];
1841                 u32 ratemask = rates[band];
1842                 u8 *supp_rates = sc->supp_rates[band].rates;
1843                 num_rates = 0;
1844
1845                 for (i = 0; i < sband->n_bitrates; i++) {
1846                         if ((BIT(i) & ratemask) == 0)
1847                                 continue; /* skip rate */
1848                         supp_rates[num_rates++] =
1849                             (u8) (sband->bitrates[i].bitrate / 5);
1850                 }
1851                 sc->supp_rates[band].nrates = num_rates;
1852         }
1853
1854         for (i = 0; i < num_chan; i++)
1855                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1856
1857         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
1858                                   NO_SYNC_WMIFLAG);
1859
1860         return ret;
1861 }
1862
1863 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1864  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1865  * mgmt operations using station interface.
1866  */
1867 int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1868                              enum wmi_scan_type scan_type,
1869                              u32 force_fgscan, u32 is_legacy,
1870                              u32 home_dwell_time, u32 force_scan_interval,
1871                              s8 num_chan, u16 *ch_list)
1872 {
1873         struct sk_buff *skb;
1874         struct wmi_start_scan_cmd *sc;
1875         s8 size;
1876         int i, ret;
1877
1878         size = sizeof(struct wmi_start_scan_cmd);
1879
1880         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1881                 return -EINVAL;
1882
1883         if (num_chan > WMI_MAX_CHANNELS)
1884                 return -EINVAL;
1885
1886         if (num_chan)
1887                 size += sizeof(u16) * (num_chan - 1);
1888
1889         skb = ath6kl_wmi_get_new_buf(size);
1890         if (!skb)
1891                 return -ENOMEM;
1892
1893         sc = (struct wmi_start_scan_cmd *) skb->data;
1894         sc->scan_type = scan_type;
1895         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1896         sc->is_legacy = cpu_to_le32(is_legacy);
1897         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1898         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1899         sc->num_ch = num_chan;
1900
1901         for (i = 0; i < num_chan; i++)
1902                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1903
1904         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1905                                   NO_SYNC_WMIFLAG);
1906
1907         return ret;
1908 }
1909
1910 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
1911                               u16 fg_start_sec,
1912                               u16 fg_end_sec, u16 bg_sec,
1913                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
1914                               u16 pas_chdw_msec, u8 short_scan_ratio,
1915                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
1916                               u16 maxact_scan_per_ssid)
1917 {
1918         struct sk_buff *skb;
1919         struct wmi_scan_params_cmd *sc;
1920         int ret;
1921
1922         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
1923         if (!skb)
1924                 return -ENOMEM;
1925
1926         sc = (struct wmi_scan_params_cmd *) skb->data;
1927         sc->fg_start_period = cpu_to_le16(fg_start_sec);
1928         sc->fg_end_period = cpu_to_le16(fg_end_sec);
1929         sc->bg_period = cpu_to_le16(bg_sec);
1930         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
1931         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
1932         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
1933         sc->short_scan_ratio = short_scan_ratio;
1934         sc->scan_ctrl_flags = scan_ctrl_flag;
1935         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
1936         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
1937
1938         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
1939                                   NO_SYNC_WMIFLAG);
1940         return ret;
1941 }
1942
1943 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
1944 {
1945         struct sk_buff *skb;
1946         struct wmi_bss_filter_cmd *cmd;
1947         int ret;
1948
1949         if (filter >= LAST_BSS_FILTER)
1950                 return -EINVAL;
1951
1952         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1953         if (!skb)
1954                 return -ENOMEM;
1955
1956         cmd = (struct wmi_bss_filter_cmd *) skb->data;
1957         cmd->bss_filter = filter;
1958         cmd->ie_mask = cpu_to_le32(ie_mask);
1959
1960         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
1961                                   NO_SYNC_WMIFLAG);
1962         return ret;
1963 }
1964
1965 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
1966                               u8 ssid_len, u8 *ssid)
1967 {
1968         struct sk_buff *skb;
1969         struct wmi_probed_ssid_cmd *cmd;
1970         int ret;
1971
1972         if (index > MAX_PROBED_SSID_INDEX)
1973                 return -EINVAL;
1974
1975         if (ssid_len > sizeof(cmd->ssid))
1976                 return -EINVAL;
1977
1978         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
1979                 return -EINVAL;
1980
1981         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
1982                 return -EINVAL;
1983
1984         if (flag & SPECIFIC_SSID_FLAG)
1985                 wmi->is_probe_ssid = true;
1986
1987         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1988         if (!skb)
1989                 return -ENOMEM;
1990
1991         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
1992         cmd->entry_index = index;
1993         cmd->flag = flag;
1994         cmd->ssid_len = ssid_len;
1995         memcpy(cmd->ssid, ssid, ssid_len);
1996
1997         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
1998                                   NO_SYNC_WMIFLAG);
1999         return ret;
2000 }
2001
2002 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2003                                   u16 listen_interval,
2004                                   u16 listen_beacons)
2005 {
2006         struct sk_buff *skb;
2007         struct wmi_listen_int_cmd *cmd;
2008         int ret;
2009
2010         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2011         if (!skb)
2012                 return -ENOMEM;
2013
2014         cmd = (struct wmi_listen_int_cmd *) skb->data;
2015         cmd->listen_intvl = cpu_to_le16(listen_interval);
2016         cmd->num_beacons = cpu_to_le16(listen_beacons);
2017
2018         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2019                                   NO_SYNC_WMIFLAG);
2020         return ret;
2021 }
2022
2023 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2024 {
2025         struct sk_buff *skb;
2026         struct wmi_power_mode_cmd *cmd;
2027         int ret;
2028
2029         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2030         if (!skb)
2031                 return -ENOMEM;
2032
2033         cmd = (struct wmi_power_mode_cmd *) skb->data;
2034         cmd->pwr_mode = pwr_mode;
2035         wmi->pwr_mode = pwr_mode;
2036
2037         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2038                                   NO_SYNC_WMIFLAG);
2039         return ret;
2040 }
2041
2042 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2043                             u16 ps_poll_num, u16 dtim_policy,
2044                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2045                             u16 ps_fail_event_policy)
2046 {
2047         struct sk_buff *skb;
2048         struct wmi_power_params_cmd *pm;
2049         int ret;
2050
2051         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2052         if (!skb)
2053                 return -ENOMEM;
2054
2055         pm = (struct wmi_power_params_cmd *)skb->data;
2056         pm->idle_period = cpu_to_le16(idle_period);
2057         pm->pspoll_number = cpu_to_le16(ps_poll_num);
2058         pm->dtim_policy = cpu_to_le16(dtim_policy);
2059         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2060         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2061         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2062
2063         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2064                                   NO_SYNC_WMIFLAG);
2065         return ret;
2066 }
2067
2068 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2069 {
2070         struct sk_buff *skb;
2071         struct wmi_disc_timeout_cmd *cmd;
2072         int ret;
2073
2074         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2075         if (!skb)
2076                 return -ENOMEM;
2077
2078         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2079         cmd->discon_timeout = timeout;
2080
2081         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2082                                   NO_SYNC_WMIFLAG);
2083
2084         if (ret == 0)
2085                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2086
2087         return ret;
2088 }
2089
2090 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2091                           enum crypto_type key_type,
2092                           u8 key_usage, u8 key_len,
2093                           u8 *key_rsc, unsigned int key_rsc_len,
2094                           u8 *key_material,
2095                           u8 key_op_ctrl, u8 *mac_addr,
2096                           enum wmi_sync_flag sync_flag)
2097 {
2098         struct sk_buff *skb;
2099         struct wmi_add_cipher_key_cmd *cmd;
2100         int ret;
2101
2102         ath6kl_dbg(ATH6KL_DBG_WMI, "addkey cmd: key_index=%u key_type=%d "
2103                    "key_usage=%d key_len=%d key_op_ctrl=%d\n",
2104                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2105
2106         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2107             (key_material == NULL) || key_rsc_len > 8)
2108                 return -EINVAL;
2109
2110         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2111                 return -EINVAL;
2112
2113         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2114         if (!skb)
2115                 return -ENOMEM;
2116
2117         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2118         cmd->key_index = key_index;
2119         cmd->key_type = key_type;
2120         cmd->key_usage = key_usage;
2121         cmd->key_len = key_len;
2122         memcpy(cmd->key, key_material, key_len);
2123
2124         if (key_rsc != NULL)
2125                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2126
2127         cmd->key_op_ctrl = key_op_ctrl;
2128
2129         if (mac_addr)
2130                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2131
2132         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2133                                   sync_flag);
2134
2135         return ret;
2136 }
2137
2138 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk)
2139 {
2140         struct sk_buff *skb;
2141         struct wmi_add_krk_cmd *cmd;
2142         int ret;
2143
2144         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2145         if (!skb)
2146                 return -ENOMEM;
2147
2148         cmd = (struct wmi_add_krk_cmd *) skb->data;
2149         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2150
2151         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2152                                   NO_SYNC_WMIFLAG);
2153
2154         return ret;
2155 }
2156
2157 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2158 {
2159         struct sk_buff *skb;
2160         struct wmi_delete_cipher_key_cmd *cmd;
2161         int ret;
2162
2163         if (key_index > WMI_MAX_KEY_INDEX)
2164                 return -EINVAL;
2165
2166         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2167         if (!skb)
2168                 return -ENOMEM;
2169
2170         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2171         cmd->key_index = key_index;
2172
2173         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2174                                   NO_SYNC_WMIFLAG);
2175
2176         return ret;
2177 }
2178
2179 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2180                             const u8 *pmkid, bool set)
2181 {
2182         struct sk_buff *skb;
2183         struct wmi_setpmkid_cmd *cmd;
2184         int ret;
2185
2186         if (bssid == NULL)
2187                 return -EINVAL;
2188
2189         if (set && pmkid == NULL)
2190                 return -EINVAL;
2191
2192         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2193         if (!skb)
2194                 return -ENOMEM;
2195
2196         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2197         memcpy(cmd->bssid, bssid, ETH_ALEN);
2198         if (set) {
2199                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2200                 cmd->enable = PMKID_ENABLE;
2201         } else {
2202                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2203                 cmd->enable = PMKID_DISABLE;
2204         }
2205
2206         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2207                                   NO_SYNC_WMIFLAG);
2208
2209         return ret;
2210 }
2211
2212 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2213                               enum htc_endpoint_id ep_id, u8 if_idx)
2214 {
2215         struct wmi_data_hdr *data_hdr;
2216         int ret;
2217
2218         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id))
2219                 return -EINVAL;
2220
2221         skb_push(skb, sizeof(struct wmi_data_hdr));
2222
2223         data_hdr = (struct wmi_data_hdr *) skb->data;
2224         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2225         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2226
2227         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2228
2229         return ret;
2230 }
2231
2232 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2233 {
2234         struct sk_buff *skb;
2235         struct wmi_sync_cmd *cmd;
2236         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2237         enum htc_endpoint_id ep_id;
2238         u8 index, num_pri_streams = 0;
2239         int ret = 0;
2240
2241         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2242
2243         spin_lock_bh(&wmi->lock);
2244
2245         for (index = 0; index < WMM_NUM_AC; index++) {
2246                 if (wmi->fat_pipe_exist & (1 << index)) {
2247                         num_pri_streams++;
2248                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2249                             index;
2250                 }
2251         }
2252
2253         spin_unlock_bh(&wmi->lock);
2254
2255         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2256         if (!skb) {
2257                 ret = -ENOMEM;
2258                 goto free_skb;
2259         }
2260
2261         cmd = (struct wmi_sync_cmd *) skb->data;
2262
2263         /*
2264          * In the SYNC cmd sent on the control Ep, send a bitmap
2265          * of the data eps on which the Data Sync will be sent
2266          */
2267         cmd->data_sync_map = wmi->fat_pipe_exist;
2268
2269         for (index = 0; index < num_pri_streams; index++) {
2270                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2271                 if (data_sync_bufs[index].skb == NULL) {
2272                         ret = -ENOMEM;
2273                         break;
2274                 }
2275         }
2276
2277         /*
2278          * If buffer allocation for any of the dataSync fails,
2279          * then do not send the Synchronize cmd on the control ep
2280          */
2281         if (ret)
2282                 goto free_skb;
2283
2284         /*
2285          * Send sync cmd followed by sync data messages on all
2286          * endpoints being used
2287          */
2288         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2289                                   NO_SYNC_WMIFLAG);
2290
2291         if (ret)
2292                 goto free_skb;
2293
2294         /* cmd buffer sent, we no longer own it */
2295         skb = NULL;
2296
2297         for (index = 0; index < num_pri_streams; index++) {
2298
2299                 if (WARN_ON(!data_sync_bufs[index].skb))
2300                         break;
2301
2302                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2303                                                data_sync_bufs[index].
2304                                                traffic_class);
2305                 ret =
2306                     ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2307                                               ep_id, if_idx);
2308
2309                 if (ret)
2310                         break;
2311
2312                 data_sync_bufs[index].skb = NULL;
2313         }
2314
2315 free_skb:
2316         /* free up any resources left over (possibly due to an error) */
2317         if (skb)
2318                 dev_kfree_skb(skb);
2319
2320         for (index = 0; index < num_pri_streams; index++) {
2321                 if (data_sync_bufs[index].skb != NULL) {
2322                         dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].
2323                                       skb);
2324                 }
2325         }
2326
2327         return ret;
2328 }
2329
2330 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2331                                   struct wmi_create_pstream_cmd *params)
2332 {
2333         struct sk_buff *skb;
2334         struct wmi_create_pstream_cmd *cmd;
2335         u8 fatpipe_exist_for_ac = 0;
2336         s32 min_phy = 0;
2337         s32 nominal_phy = 0;
2338         int ret;
2339
2340         if (!((params->user_pri < 8) &&
2341               (params->user_pri <= 0x7) &&
2342               (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2343               (params->traffic_direc == UPLINK_TRAFFIC ||
2344                params->traffic_direc == DNLINK_TRAFFIC ||
2345                params->traffic_direc == BIDIR_TRAFFIC) &&
2346               (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2347                params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2348               (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2349                params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2350                params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2351               (params->tsid == WMI_IMPLICIT_PSTREAM ||
2352                params->tsid <= WMI_MAX_THINSTREAM))) {
2353                 return -EINVAL;
2354         }
2355
2356         /*
2357          * Check nominal PHY rate is >= minimalPHY,
2358          * so that DUT can allow TSRS IE
2359          */
2360
2361         /* Get the physical rate (units of bps) */
2362         min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2363
2364         /* Check minimal phy < nominal phy rate */
2365         if (params->nominal_phy >= min_phy) {
2366                 /* unit of 500 kbps */
2367                 nominal_phy = (params->nominal_phy * 1000) / 500;
2368                 ath6kl_dbg(ATH6KL_DBG_WMI,
2369                            "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2370                            min_phy, nominal_phy);
2371
2372                 params->nominal_phy = nominal_phy;
2373         } else {
2374                 params->nominal_phy = 0;
2375         }
2376
2377         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2378         if (!skb)
2379                 return -ENOMEM;
2380
2381         ath6kl_dbg(ATH6KL_DBG_WMI,
2382                    "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2383                    params->traffic_class, params->tsid);
2384
2385         cmd = (struct wmi_create_pstream_cmd *) skb->data;
2386         memcpy(cmd, params, sizeof(*cmd));
2387
2388         /* This is an implicitly created Fat pipe */
2389         if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2390                 spin_lock_bh(&wmi->lock);
2391                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2392                                         (1 << params->traffic_class));
2393                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2394                 spin_unlock_bh(&wmi->lock);
2395         } else {
2396                 /* explicitly created thin stream within a fat pipe */
2397                 spin_lock_bh(&wmi->lock);
2398                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2399                                         (1 << params->traffic_class));
2400                 wmi->stream_exist_for_ac[params->traffic_class] |=
2401                     (1 << params->tsid);
2402                 /*
2403                  * If a thinstream becomes active, the fat pipe automatically
2404                  * becomes active
2405                  */
2406                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2407                 spin_unlock_bh(&wmi->lock);
2408         }
2409
2410         /*
2411          * Indicate activty change to driver layer only if this is the
2412          * first TSID to get created in this AC explicitly or an implicit
2413          * fat pipe is getting created.
2414          */
2415         if (!fatpipe_exist_for_ac)
2416                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2417                                             params->traffic_class, true);
2418
2419         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2420                                   NO_SYNC_WMIFLAG);
2421         return ret;
2422 }
2423
2424 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2425                                   u8 tsid)
2426 {
2427         struct sk_buff *skb;
2428         struct wmi_delete_pstream_cmd *cmd;
2429         u16 active_tsids = 0;
2430         int ret;
2431
2432         if (traffic_class > 3) {
2433                 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2434                 return -EINVAL;
2435         }
2436
2437         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2438         if (!skb)
2439                 return -ENOMEM;
2440
2441         cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2442         cmd->traffic_class = traffic_class;
2443         cmd->tsid = tsid;
2444
2445         spin_lock_bh(&wmi->lock);
2446         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2447         spin_unlock_bh(&wmi->lock);
2448
2449         if (!(active_tsids & (1 << tsid))) {
2450                 dev_kfree_skb(skb);
2451                 ath6kl_dbg(ATH6KL_DBG_WMI,
2452                            "TSID %d doesn't exist for traffic class: %d\n",
2453                            tsid, traffic_class);
2454                 return -ENODATA;
2455         }
2456
2457         ath6kl_dbg(ATH6KL_DBG_WMI,
2458                    "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2459                    traffic_class, tsid);
2460
2461         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2462                                   SYNC_BEFORE_WMIFLAG);
2463
2464         spin_lock_bh(&wmi->lock);
2465         wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2466         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2467         spin_unlock_bh(&wmi->lock);
2468
2469         /*
2470          * Indicate stream inactivity to driver layer only if all tsids
2471          * within this AC are deleted.
2472          */
2473         if (!active_tsids) {
2474                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2475                                             traffic_class, false);
2476                 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2477         }
2478
2479         return ret;
2480 }
2481
2482 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, struct wmi_set_ip_cmd *ip_cmd)
2483 {
2484         struct sk_buff *skb;
2485         struct wmi_set_ip_cmd *cmd;
2486         int ret;
2487
2488         /* Multicast address are not valid */
2489         if ((*((u8 *) &ip_cmd->ips[0]) >= 0xE0) ||
2490             (*((u8 *) &ip_cmd->ips[1]) >= 0xE0))
2491                 return -EINVAL;
2492
2493         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2494         if (!skb)
2495                 return -ENOMEM;
2496
2497         cmd = (struct wmi_set_ip_cmd *) skb->data;
2498         memcpy(cmd, ip_cmd, sizeof(struct wmi_set_ip_cmd));
2499
2500         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_IP_CMDID,
2501                                   NO_SYNC_WMIFLAG);
2502         return ret;
2503 }
2504
2505 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2506 {
2507         u16 active_tsids;
2508         u8 stream_exist;
2509         int i;
2510
2511         /*
2512          * Relinquish credits from all implicitly created pstreams
2513          * since when we go to sleep. If user created explicit
2514          * thinstreams exists with in a fatpipe leave them intact
2515          * for the user to delete.
2516          */
2517         spin_lock_bh(&wmi->lock);
2518         stream_exist = wmi->fat_pipe_exist;
2519         spin_unlock_bh(&wmi->lock);
2520
2521         for (i = 0; i < WMM_NUM_AC; i++) {
2522                 if (stream_exist & (1 << i)) {
2523
2524                         /*
2525                          * FIXME: Is this lock & unlock inside
2526                          * for loop correct? may need rework.
2527                          */
2528                         spin_lock_bh(&wmi->lock);
2529                         active_tsids = wmi->stream_exist_for_ac[i];
2530                         spin_unlock_bh(&wmi->lock);
2531
2532                         /*
2533                          * If there are no user created thin streams
2534                          * delete the fatpipe
2535                          */
2536                         if (!active_tsids) {
2537                                 stream_exist &= ~(1 << i);
2538                                 /*
2539                                  * Indicate inactivity to driver layer for
2540                                  * this fatpipe (pstream)
2541                                  */
2542                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2543                                                             i, false);
2544                         }
2545                 }
2546         }
2547
2548         /* FIXME: Can we do this assignment without locking ? */
2549         spin_lock_bh(&wmi->lock);
2550         wmi->fat_pipe_exist = stream_exist;
2551         spin_unlock_bh(&wmi->lock);
2552 }
2553
2554 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2555                                        enum ath6kl_host_mode host_mode)
2556 {
2557         struct sk_buff *skb;
2558         struct wmi_set_host_sleep_mode_cmd *cmd;
2559         int ret;
2560
2561         if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2562             (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2563                 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2564                 return -EINVAL;
2565         }
2566
2567         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2568         if (!skb)
2569                 return -ENOMEM;
2570
2571         cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2572
2573         if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2574                 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2575                 cmd->asleep = cpu_to_le32(1);
2576         } else
2577                 cmd->awake = cpu_to_le32(1);
2578
2579         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2580                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2581                                   NO_SYNC_WMIFLAG);
2582         return ret;
2583 }
2584
2585 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2586                                 enum ath6kl_wow_mode wow_mode,
2587                                 u32 filter, u16 host_req_delay)
2588 {
2589         struct sk_buff *skb;
2590         struct wmi_set_wow_mode_cmd *cmd;
2591         int ret;
2592
2593         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2594              wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2595                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2596                 return -EINVAL;
2597         }
2598
2599         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2600         if (!skb)
2601                 return -ENOMEM;
2602
2603         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2604         cmd->enable_wow = cpu_to_le32(wow_mode);
2605         cmd->filter = cpu_to_le32(filter);
2606         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2607
2608         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2609                                   NO_SYNC_WMIFLAG);
2610         return ret;
2611 }
2612
2613 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2614                                    u8 list_id, u8 filter_size,
2615                                    u8 filter_offset, u8 *filter, u8 *mask)
2616 {
2617         struct sk_buff *skb;
2618         struct wmi_add_wow_pattern_cmd *cmd;
2619         u16 size;
2620         u8 *filter_mask;
2621         int ret;
2622
2623         /*
2624          * Allocate additional memory in the buffer to hold
2625          * filter and mask value, which is twice of filter_size.
2626          */
2627         size = sizeof(*cmd) + (2 * filter_size);
2628
2629         skb = ath6kl_wmi_get_new_buf(size);
2630         if (!skb)
2631                 return -ENOMEM;
2632
2633         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2634         cmd->filter_list_id = list_id;
2635         cmd->filter_size = filter_size;
2636         cmd->filter_offset = filter_offset;
2637
2638         memcpy(cmd->filter, filter, filter_size);
2639
2640         filter_mask = (u8 *) (cmd->filter + filter_size);
2641         memcpy(filter_mask, mask, filter_size);
2642
2643         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2644                                   NO_SYNC_WMIFLAG);
2645
2646         return ret;
2647 }
2648
2649 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2650                                    u16 list_id, u16 filter_id)
2651 {
2652         struct sk_buff *skb;
2653         struct wmi_del_wow_pattern_cmd *cmd;
2654         int ret;
2655
2656         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2657         if (!skb)
2658                 return -ENOMEM;
2659
2660         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2661         cmd->filter_list_id = cpu_to_le16(list_id);
2662         cmd->filter_id = cpu_to_le16(filter_id);
2663
2664         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2665                                   NO_SYNC_WMIFLAG);
2666         return ret;
2667 }
2668
2669 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2670                                     enum wmix_command_id cmd_id,
2671                                     enum wmi_sync_flag sync_flag)
2672 {
2673         struct wmix_cmd_hdr *cmd_hdr;
2674         int ret;
2675
2676         skb_push(skb, sizeof(struct wmix_cmd_hdr));
2677
2678         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2679         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2680
2681         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
2682
2683         return ret;
2684 }
2685
2686 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2687 {
2688         struct sk_buff *skb;
2689         struct wmix_hb_challenge_resp_cmd *cmd;
2690         int ret;
2691
2692         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2693         if (!skb)
2694                 return -ENOMEM;
2695
2696         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
2697         cmd->cookie = cpu_to_le32(cookie);
2698         cmd->source = cpu_to_le32(source);
2699
2700         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
2701                                        NO_SYNC_WMIFLAG);
2702         return ret;
2703 }
2704
2705 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
2706 {
2707         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
2708         struct sk_buff *skb;
2709         int ret;
2710
2711         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2712         if (!skb)
2713                 return -ENOMEM;
2714
2715         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
2716         cmd->valid = cpu_to_le32(valid);
2717         cmd->config = cpu_to_le32(config);
2718
2719         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
2720                                        NO_SYNC_WMIFLAG);
2721         return ret;
2722 }
2723
2724 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
2725 {
2726         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
2727 }
2728
2729 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
2730 {
2731         struct sk_buff *skb;
2732         struct wmi_set_tx_pwr_cmd *cmd;
2733         int ret;
2734
2735         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
2736         if (!skb)
2737                 return -ENOMEM;
2738
2739         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
2740         cmd->dbM = dbM;
2741
2742         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
2743                                   NO_SYNC_WMIFLAG);
2744
2745         return ret;
2746 }
2747
2748 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
2749 {
2750         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
2751 }
2752
2753 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
2754 {
2755         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
2756 }
2757
2758 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
2759                                  u8 preamble_policy)
2760 {
2761         struct sk_buff *skb;
2762         struct wmi_set_lpreamble_cmd *cmd;
2763         int ret;
2764
2765         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
2766         if (!skb)
2767                 return -ENOMEM;
2768
2769         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
2770         cmd->status = status;
2771         cmd->preamble_policy = preamble_policy;
2772
2773         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
2774                                   NO_SYNC_WMIFLAG);
2775         return ret;
2776 }
2777
2778 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
2779 {
2780         struct sk_buff *skb;
2781         struct wmi_set_rts_cmd *cmd;
2782         int ret;
2783
2784         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
2785         if (!skb)
2786                 return -ENOMEM;
2787
2788         cmd = (struct wmi_set_rts_cmd *) skb->data;
2789         cmd->threshold = cpu_to_le16(threshold);
2790
2791         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
2792                                   NO_SYNC_WMIFLAG);
2793         return ret;
2794 }
2795
2796 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
2797 {
2798         struct sk_buff *skb;
2799         struct wmi_set_wmm_txop_cmd *cmd;
2800         int ret;
2801
2802         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
2803                 return -EINVAL;
2804
2805         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
2806         if (!skb)
2807                 return -ENOMEM;
2808
2809         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
2810         cmd->txop_enable = cfg;
2811
2812         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
2813                                   NO_SYNC_WMIFLAG);
2814         return ret;
2815 }
2816
2817 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
2818                                  u8 keep_alive_intvl)
2819 {
2820         struct sk_buff *skb;
2821         struct wmi_set_keepalive_cmd *cmd;
2822         int ret;
2823
2824         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2825         if (!skb)
2826                 return -ENOMEM;
2827
2828         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
2829         cmd->keep_alive_intvl = keep_alive_intvl;
2830
2831         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
2832                                   NO_SYNC_WMIFLAG);
2833
2834         if (ret == 0)
2835                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
2836
2837         return ret;
2838 }
2839
2840 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
2841 {
2842         struct sk_buff *skb;
2843         int ret;
2844
2845         skb = ath6kl_wmi_get_new_buf(len);
2846         if (!skb)
2847                 return -ENOMEM;
2848
2849         memcpy(skb->data, buf, len);
2850
2851         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
2852
2853         return ret;
2854 }
2855
2856
2857 s32 ath6kl_wmi_get_rate(s8 rate_index)
2858 {
2859         if (rate_index == RATE_AUTO)
2860                 return 0;
2861
2862         return wmi_rate_tbl[(u32) rate_index][0];
2863 }
2864
2865 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
2866                                               u32 len)
2867 {
2868         struct wmi_pmkid_list_reply *reply;
2869         u32 expected_len;
2870
2871         if (len < sizeof(struct wmi_pmkid_list_reply))
2872                 return -EINVAL;
2873
2874         reply = (struct wmi_pmkid_list_reply *)datap;
2875         expected_len = sizeof(reply->num_pmkid) +
2876                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
2877
2878         if (len < expected_len)
2879                 return -EINVAL;
2880
2881         return 0;
2882 }
2883
2884 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2885                                          struct ath6kl_vif *vif)
2886 {
2887         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
2888
2889         aggr_recv_addba_req_evt(vif, cmd->tid,
2890                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
2891
2892         return 0;
2893 }
2894
2895 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2896                                          struct ath6kl_vif *vif)
2897 {
2898         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
2899
2900         aggr_recv_delba_req_evt(vif, cmd->tid);
2901
2902         return 0;
2903 }
2904
2905 /*  AP mode functions */
2906
2907 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
2908                                  struct wmi_connect_cmd *p)
2909 {
2910         struct sk_buff *skb;
2911         struct wmi_connect_cmd *cm;
2912         int res;
2913
2914         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
2915         if (!skb)
2916                 return -ENOMEM;
2917
2918         cm = (struct wmi_connect_cmd *) skb->data;
2919         memcpy(cm, p, sizeof(*cm));
2920
2921         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
2922                                   NO_SYNC_WMIFLAG);
2923         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: nw_type=%u auth_mode=%u ch=%u "
2924                    "ctrl_flags=0x%x-> res=%d\n",
2925                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
2926                    le32_to_cpu(p->ctrl_flags), res);
2927         return res;
2928 }
2929
2930 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
2931                            u16 reason)
2932 {
2933         struct sk_buff *skb;
2934         struct wmi_ap_set_mlme_cmd *cm;
2935
2936         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
2937         if (!skb)
2938                 return -ENOMEM;
2939
2940         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
2941         memcpy(cm->mac, mac, ETH_ALEN);
2942         cm->reason = cpu_to_le16(reason);
2943         cm->cmd = cmd;
2944
2945         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
2946                                    NO_SYNC_WMIFLAG);
2947 }
2948
2949 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
2950                                       struct ath6kl_vif *vif)
2951 {
2952         struct wmi_pspoll_event *ev;
2953
2954         if (len < sizeof(struct wmi_pspoll_event))
2955                 return -EINVAL;
2956
2957         ev = (struct wmi_pspoll_event *) datap;
2958
2959         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
2960
2961         return 0;
2962 }
2963
2964 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
2965                                           struct ath6kl_vif *vif)
2966 {
2967         ath6kl_dtimexpiry_event(vif);
2968
2969         return 0;
2970 }
2971
2972 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
2973                            bool flag)
2974 {
2975         struct sk_buff *skb;
2976         struct wmi_ap_set_pvb_cmd *cmd;
2977         int ret;
2978
2979         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
2980         if (!skb)
2981                 return -ENOMEM;
2982
2983         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
2984         cmd->aid = cpu_to_le16(aid);
2985         cmd->rsvd = cpu_to_le16(0);
2986         cmd->flag = cpu_to_le32(flag);
2987
2988         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
2989                                   NO_SYNC_WMIFLAG);
2990
2991         return 0;
2992 }
2993
2994 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
2995                                        u8 rx_meta_ver,
2996                                        bool rx_dot11_hdr, bool defrag_on_host)
2997 {
2998         struct sk_buff *skb;
2999         struct wmi_rx_frame_format_cmd *cmd;
3000         int ret;
3001
3002         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3003         if (!skb)
3004                 return -ENOMEM;
3005
3006         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3007         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3008         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3009         cmd->meta_ver = rx_meta_ver;
3010
3011         /* Delete the local aggr state, on host */
3012         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3013                                   NO_SYNC_WMIFLAG);
3014
3015         return ret;
3016 }
3017
3018 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3019                              const u8 *ie, u8 ie_len)
3020 {
3021         struct sk_buff *skb;
3022         struct wmi_set_appie_cmd *p;
3023
3024         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3025         if (!skb)
3026                 return -ENOMEM;
3027
3028         ath6kl_dbg(ATH6KL_DBG_WMI, "set_appie_cmd: mgmt_frm_type=%u "
3029                    "ie_len=%u\n", mgmt_frm_type, ie_len);
3030         p = (struct wmi_set_appie_cmd *) skb->data;
3031         p->mgmt_frm_type = mgmt_frm_type;
3032         p->ie_len = ie_len;
3033
3034         if (ie != NULL && ie_len > 0)
3035                 memcpy(p->ie_info, ie, ie_len);
3036
3037         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3038                                    NO_SYNC_WMIFLAG);
3039 }
3040
3041 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3042 {
3043         struct sk_buff *skb;
3044         struct wmi_disable_11b_rates_cmd *cmd;
3045
3046         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3047         if (!skb)
3048                 return -ENOMEM;
3049
3050         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3051                    disable);
3052         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3053         cmd->disable = disable ? 1 : 0;
3054
3055         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3056                                    NO_SYNC_WMIFLAG);
3057 }
3058
3059 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3060 {
3061         struct sk_buff *skb;
3062         struct wmi_remain_on_chnl_cmd *p;
3063
3064         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3065         if (!skb)
3066                 return -ENOMEM;
3067
3068         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3069                    freq, dur);
3070         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3071         p->freq = cpu_to_le32(freq);
3072         p->duration = cpu_to_le32(dur);
3073         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3074                                    NO_SYNC_WMIFLAG);
3075 }
3076
3077 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3078  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3079  * mgmt operations using station interface.
3080  */
3081 int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3082                                u32 wait, const u8 *data, u16 data_len)
3083 {
3084         struct sk_buff *skb;
3085         struct wmi_send_action_cmd *p;
3086         u8 *buf;
3087
3088         if (wait)
3089                 return -EINVAL; /* Offload for wait not supported */
3090
3091         buf = kmalloc(data_len, GFP_KERNEL);
3092         if (!buf)
3093                 return -ENOMEM;
3094
3095         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3096         if (!skb) {
3097                 kfree(buf);
3098                 return -ENOMEM;
3099         }
3100
3101         kfree(wmi->last_mgmt_tx_frame);
3102         memcpy(buf, data, data_len);
3103         wmi->last_mgmt_tx_frame = buf;
3104         wmi->last_mgmt_tx_frame_len = data_len;
3105
3106         ath6kl_dbg(ATH6KL_DBG_WMI, "send_action_cmd: id=%u freq=%u wait=%u "
3107                    "len=%u\n", id, freq, wait, data_len);
3108         p = (struct wmi_send_action_cmd *) skb->data;
3109         p->id = cpu_to_le32(id);
3110         p->freq = cpu_to_le32(freq);
3111         p->wait = cpu_to_le32(wait);
3112         p->len = cpu_to_le16(data_len);
3113         memcpy(p->data, data, data_len);
3114         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3115                                    NO_SYNC_WMIFLAG);
3116 }
3117
3118 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3119                                u32 wait, const u8 *data, u16 data_len,
3120                                u32 no_cck)
3121 {
3122         struct sk_buff *skb;
3123         struct wmi_send_mgmt_cmd *p;
3124         u8 *buf;
3125
3126         if (wait)
3127                 return -EINVAL; /* Offload for wait not supported */
3128
3129         buf = kmalloc(data_len, GFP_KERNEL);
3130         if (!buf)
3131                 return -ENOMEM;
3132
3133         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3134         if (!skb) {
3135                 kfree(buf);
3136                 return -ENOMEM;
3137         }
3138
3139         kfree(wmi->last_mgmt_tx_frame);
3140         memcpy(buf, data, data_len);
3141         wmi->last_mgmt_tx_frame = buf;
3142         wmi->last_mgmt_tx_frame_len = data_len;
3143
3144         ath6kl_dbg(ATH6KL_DBG_WMI, "send_action_cmd: id=%u freq=%u wait=%u "
3145                    "len=%u\n", id, freq, wait, data_len);
3146         p = (struct wmi_send_mgmt_cmd *) skb->data;
3147         p->id = cpu_to_le32(id);
3148         p->freq = cpu_to_le32(freq);
3149         p->wait = cpu_to_le32(wait);
3150         p->no_cck = cpu_to_le32(no_cck);
3151         p->len = cpu_to_le16(data_len);
3152         memcpy(p->data, data, data_len);
3153         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3154                                    NO_SYNC_WMIFLAG);
3155 }
3156
3157 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3158                                        const u8 *dst, const u8 *data,
3159                                        u16 data_len)
3160 {
3161         struct sk_buff *skb;
3162         struct wmi_p2p_probe_response_cmd *p;
3163         size_t cmd_len = sizeof(*p) + data_len;
3164
3165         if (data_len == 0)
3166                 cmd_len++; /* work around target minimum length requirement */
3167
3168         skb = ath6kl_wmi_get_new_buf(cmd_len);
3169         if (!skb)
3170                 return -ENOMEM;
3171
3172         ath6kl_dbg(ATH6KL_DBG_WMI, "send_probe_response_cmd: freq=%u dst=%pM "
3173                    "len=%u\n", freq, dst, data_len);
3174         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3175         p->freq = cpu_to_le32(freq);
3176         memcpy(p->destination_addr, dst, ETH_ALEN);
3177         p->len = cpu_to_le16(data_len);
3178         memcpy(p->data, data, data_len);
3179         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3180                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3181                                    NO_SYNC_WMIFLAG);
3182 }
3183
3184 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3185 {
3186         struct sk_buff *skb;
3187         struct wmi_probe_req_report_cmd *p;
3188
3189         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3190         if (!skb)
3191                 return -ENOMEM;
3192
3193         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3194                    enable);
3195         p = (struct wmi_probe_req_report_cmd *) skb->data;
3196         p->enable = enable ? 1 : 0;
3197         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3198                                    NO_SYNC_WMIFLAG);
3199 }
3200
3201 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3202 {
3203         struct sk_buff *skb;
3204         struct wmi_get_p2p_info *p;
3205
3206         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3207         if (!skb)
3208                 return -ENOMEM;
3209
3210         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3211                    info_req_flags);
3212         p = (struct wmi_get_p2p_info *) skb->data;
3213         p->info_req_flags = cpu_to_le32(info_req_flags);
3214         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3215                                    NO_SYNC_WMIFLAG);
3216 }
3217
3218 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3219 {
3220         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3221         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3222                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3223 }
3224
3225 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3226 {
3227         struct wmix_cmd_hdr *cmd;
3228         u32 len;
3229         u16 id;
3230         u8 *datap;
3231         int ret = 0;
3232
3233         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3234                 ath6kl_err("bad packet 1\n");
3235                 return -EINVAL;
3236         }
3237
3238         cmd = (struct wmix_cmd_hdr *) skb->data;
3239         id = le32_to_cpu(cmd->cmd_id);
3240
3241         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3242
3243         datap = skb->data;
3244         len = skb->len;
3245
3246         switch (id) {
3247         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3248                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3249                 break;
3250         case WMIX_DBGLOG_EVENTID:
3251                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3252                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3253                 break;
3254         default:
3255                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3256                 ret = -EINVAL;
3257                 break;
3258         }
3259
3260         return ret;
3261 }
3262
3263 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3264 {
3265         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3266 }
3267
3268 /* Control Path */
3269 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
3270 {
3271         struct wmi_cmd_hdr *cmd;
3272         struct ath6kl_vif *vif;
3273         u32 len;
3274         u16 id;
3275         u8 if_idx;
3276         u8 *datap;
3277         int ret = 0;
3278
3279         if (WARN_ON(skb == NULL))
3280                 return -EINVAL;
3281
3282         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
3283                 ath6kl_err("bad packet 1\n");
3284                 dev_kfree_skb(skb);
3285                 return -EINVAL;
3286         }
3287
3288         cmd = (struct wmi_cmd_hdr *) skb->data;
3289         id = le16_to_cpu(cmd->cmd_id);
3290         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3291
3292         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3293
3294         datap = skb->data;
3295         len = skb->len;
3296
3297         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3298         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3299                         datap, len);
3300
3301         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3302         if (!vif) {
3303                 ath6kl_dbg(ATH6KL_DBG_WMI,
3304                            "Wmi event for unavailable vif, vif_index:%d\n",
3305                             if_idx);
3306                 dev_kfree_skb(skb);
3307                 return -EINVAL;
3308         }
3309
3310         switch (id) {
3311         case WMI_GET_BITRATE_CMDID:
3312                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3313                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3314                 break;
3315         case WMI_GET_CHANNEL_LIST_CMDID:
3316                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3317                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3318                 break;
3319         case WMI_GET_TX_PWR_CMDID:
3320                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3321                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3322                 break;
3323         case WMI_READY_EVENTID:
3324                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3325                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3326                 break;
3327         case WMI_CONNECT_EVENTID:
3328                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3329                 ret = ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3330                 break;
3331         case WMI_DISCONNECT_EVENTID:
3332                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3333                 ret = ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3334                 break;
3335         case WMI_PEER_NODE_EVENTID:
3336                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3337                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
3338                 break;
3339         case WMI_TKIP_MICERR_EVENTID:
3340                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3341                 ret = ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3342                 break;
3343         case WMI_BSSINFO_EVENTID:
3344                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3345                 ret = ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3346                 break;
3347         case WMI_REGDOMAIN_EVENTID:
3348                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
3349                 ath6kl_wmi_regdomain_event(wmi, datap, len);
3350                 break;
3351         case WMI_PSTREAM_TIMEOUT_EVENTID:
3352                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
3353                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
3354                 break;
3355         case WMI_NEIGHBOR_REPORT_EVENTID:
3356                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3357                 ret = ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3358                                                           vif);
3359                 break;
3360         case WMI_SCAN_COMPLETE_EVENTID:
3361                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3362                 ret = ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3363                 break;
3364         case WMI_CMDERROR_EVENTID:
3365                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
3366                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
3367                 break;
3368         case WMI_REPORT_STATISTICS_EVENTID:
3369                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3370                 ret = ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3371                 break;
3372         case WMI_RSSI_THRESHOLD_EVENTID:
3373                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
3374                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
3375                 break;
3376         case WMI_ERROR_REPORT_EVENTID:
3377                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
3378                 break;
3379         case WMI_OPT_RX_FRAME_EVENTID:
3380                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
3381                 /* this event has been deprecated */
3382                 break;
3383         case WMI_REPORT_ROAM_TBL_EVENTID:
3384                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
3385                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
3386                 break;
3387         case WMI_EXTENSION_EVENTID:
3388                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
3389                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
3390                 break;
3391         case WMI_CAC_EVENTID:
3392                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3393                 ret = ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3394                 break;
3395         case WMI_CHANNEL_CHANGE_EVENTID:
3396                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
3397                 break;
3398         case WMI_REPORT_ROAM_DATA_EVENTID:
3399                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
3400                 break;
3401         case WMI_TEST_EVENTID:
3402                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
3403                 ret = ath6kl_wmi_tcmd_test_report_rx(wmi, datap, len);
3404                 break;
3405         case WMI_GET_FIXRATES_CMDID:
3406                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
3407                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
3408                 break;
3409         case WMI_TX_RETRY_ERR_EVENTID:
3410                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
3411                 break;
3412         case WMI_SNR_THRESHOLD_EVENTID:
3413                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
3414                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
3415                 break;
3416         case WMI_LQ_THRESHOLD_EVENTID:
3417                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
3418                 break;
3419         case WMI_APLIST_EVENTID:
3420                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
3421                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
3422                 break;
3423         case WMI_GET_KEEPALIVE_CMDID:
3424                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
3425                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
3426                 break;
3427         case WMI_GET_WOW_LIST_EVENTID:
3428                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
3429                 break;
3430         case WMI_GET_PMKID_LIST_EVENTID:
3431                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
3432                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
3433                 break;
3434         case WMI_PSPOLL_EVENTID:
3435                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3436                 ret = ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3437                 break;
3438         case WMI_DTIMEXPIRY_EVENTID:
3439                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3440                 ret = ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3441                 break;
3442         case WMI_SET_PARAMS_REPLY_EVENTID:
3443                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
3444                 break;
3445         case WMI_ADDBA_REQ_EVENTID:
3446                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3447                 ret = ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3448                 break;
3449         case WMI_ADDBA_RESP_EVENTID:
3450                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
3451                 break;
3452         case WMI_DELBA_REQ_EVENTID:
3453                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3454                 ret = ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3455                 break;
3456         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
3457                 ath6kl_dbg(ATH6KL_DBG_WMI,
3458                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
3459                 break;
3460         case WMI_REPORT_BTCOEX_STATS_EVENTID:
3461                 ath6kl_dbg(ATH6KL_DBG_WMI,
3462                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
3463                 break;
3464         case WMI_TX_COMPLETE_EVENTID:
3465                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
3466                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
3467                 break;
3468         case WMI_REMAIN_ON_CHNL_EVENTID:
3469                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3470                 ret = ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3471                 break;
3472         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3473                 ath6kl_dbg(ATH6KL_DBG_WMI,
3474                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3475                 ret = ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3476                                                                 len, vif);
3477                 break;
3478         case WMI_TX_STATUS_EVENTID:
3479                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3480                 ret = ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3481                 break;
3482         case WMI_RX_PROBE_REQ_EVENTID:
3483                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3484                 ret = ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3485                 break;
3486         case WMI_P2P_CAPABILITIES_EVENTID:
3487                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
3488                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
3489                 break;
3490         case WMI_RX_ACTION_EVENTID:
3491                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3492                 ret = ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3493                 break;
3494         case WMI_P2P_INFO_EVENTID:
3495                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
3496                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
3497                 break;
3498         default:
3499                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", id);
3500                 ret = -EINVAL;
3501                 break;
3502         }
3503
3504         dev_kfree_skb(skb);
3505
3506         return ret;
3507 }
3508
3509 void ath6kl_wmi_reset(struct wmi *wmi)
3510 {
3511         spin_lock_bh(&wmi->lock);
3512
3513         wmi->fat_pipe_exist = 0;
3514         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
3515
3516         spin_unlock_bh(&wmi->lock);
3517 }
3518
3519 void *ath6kl_wmi_init(struct ath6kl *dev)
3520 {
3521         struct wmi *wmi;
3522
3523         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
3524         if (!wmi)
3525                 return NULL;
3526
3527         spin_lock_init(&wmi->lock);
3528
3529         wmi->parent_dev = dev;
3530
3531         wmi->pwr_mode = REC_POWER;
3532
3533         ath6kl_wmi_reset(wmi);
3534
3535         return wmi;
3536 }
3537
3538 void ath6kl_wmi_shutdown(struct wmi *wmi)
3539 {
3540         if (!wmi)
3541                 return;
3542
3543         kfree(wmi->last_mgmt_tx_frame);
3544         kfree(wmi);
3545 }