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, u32 flags,
 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 (flags & WMI_DATA_HDR_FLAGS_MORE)
 208                 data_hdr->info |= WMI_DATA_HDR_MORE;
 209
 210         if (flags & WMI_DATA_HDR_FLAGS_EOSP)
 211                 data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);
 212
 213         data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
 214         data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
 215
 216         return 0;
 217 }
 218
 219 u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
 220 {
 221         struct iphdr *ip_hdr = (struct iphdr *) pkt;
 222         u8 ip_pri;
 223
 224         /*
 225          * Determine IPTOS priority
 226          *
 227          * IP-TOS - 8bits
 228          *          : DSCP(6-bits) ECN(2-bits)
 229          *          : DSCP - P2 P1 P0 X X X
 230          * where (P2 P1 P0) form 802.1D
 231          */
 232         ip_pri = ip_hdr->tos >> 5;
 233         ip_pri &= 0x7;
 234
 235         if ((layer2_pri & 0x7) > ip_pri)
 236                 return (u8) layer2_pri & 0x7;
 237         else
 238                 return ip_pri;
 239 }
 240
 241 u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
 242 {
 243         return  up_to_ac[user_priority & 0x7];
 244 }
 245
 246 int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
 247                                        struct sk_buff *skb,
 248                                        u32 layer2_priority, bool wmm_enabled,
 249                                        u8 *ac)
 250 {
 251         struct wmi_data_hdr *data_hdr;
 252         struct ath6kl_llc_snap_hdr *llc_hdr;
 253         struct wmi_create_pstream_cmd cmd;
 254         u32 meta_size, hdr_size;
 255         u16 ip_type = IP_ETHERTYPE;
 256         u8 stream_exist, usr_pri;
 257         u8 traffic_class = WMM_AC_BE;
 258         u8 *datap;
 259
 260         if (WARN_ON(skb == NULL))
 261                 return -EINVAL;
 262
 263         datap = skb->data;
 264         data_hdr = (struct wmi_data_hdr *) datap;
 265
 266         meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
 267                      WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
 268
 269         if (!wmm_enabled) {
 270                 /* If WMM is disabled all traffic goes as BE traffic */
 271                 usr_pri = 0;
 272         } else {
 273                 hdr_size = sizeof(struct ethhdr);
 274
 275                 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
 276                                                          sizeof(struct
 277                                                                 wmi_data_hdr) +
 278                                                          meta_size + hdr_size);
 279
 280                 if (llc_hdr->eth_type == htons(ip_type)) {
 281                         /*
 282                          * Extract the endpoint info from the TOS field
 283                          * in the IP header.
 284                          */
 285                         usr_pri =
 286                            ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
 287                                         sizeof(struct ath6kl_llc_snap_hdr),
 288                                         layer2_priority);
 289                 } else
 290                         usr_pri = layer2_priority & 0x7;
 291         }
 292
 293         /*
 294          * workaround for WMM S5
 295          *
 296          * FIXME: wmi->traffic_class is always 100 so this test doesn't
 297          * make sense
 298          */
 299         if ((wmi->traffic_class == WMM_AC_VI) &&
 300             ((usr_pri == 5) || (usr_pri == 4)))
 301                 usr_pri = 1;
 302
 303         /* Convert user priority to traffic class */
 304         traffic_class = up_to_ac[usr_pri & 0x7];
 305
 306         wmi_data_hdr_set_up(data_hdr, usr_pri);
 307
 308         spin_lock_bh(&wmi->lock);
 309         stream_exist = wmi->fat_pipe_exist;
 310         spin_unlock_bh(&wmi->lock);
 311
 312         if (!(stream_exist & (1 << traffic_class))) {
 313                 memset(&cmd, 0, sizeof(cmd));
 314                 cmd.traffic_class = traffic_class;
 315                 cmd.user_pri = usr_pri;
 316                 cmd.inactivity_int =
 317                         cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
 318                 /* Implicit streams are created with TSID 0xFF */
 319                 cmd.tsid = WMI_IMPLICIT_PSTREAM;
 320                 ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
 321         }
 322
 323         *ac = traffic_class;
 324
 325         return 0;
 326 }
 327
 328 int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
 329 {
 330         struct ieee80211_hdr_3addr *pwh, wh;
 331         struct ath6kl_llc_snap_hdr *llc_hdr;
 332         struct ethhdr eth_hdr;
 333         u32 hdr_size;
 334         u8 *datap;
 335         __le16 sub_type;
 336
 337         if (WARN_ON(skb == NULL))
 338                 return -EINVAL;
 339
 340         datap = skb->data;
 341         pwh = (struct ieee80211_hdr_3addr *) datap;
 342
 343         sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
 344
 345         memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
 346
 347         /* Strip off the 802.11 header */
 348         if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
 349                 hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
 350                                    sizeof(u32));
 351                 skb_pull(skb, hdr_size);
 352         } else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA))
 353                 skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
 354
 355         datap = skb->data;
 356         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
 357
 358         memset(&eth_hdr, 0, sizeof(eth_hdr));
 359         eth_hdr.h_proto = llc_hdr->eth_type;
 360
 361         switch ((le16_to_cpu(wh.frame_control)) &
 362                 (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
 363         case 0:
 364                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 365                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 366                 break;
 367         case IEEE80211_FCTL_TODS:
 368                 memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
 369                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 370                 break;
 371         case IEEE80211_FCTL_FROMDS:
 372                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 373                 memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
 374                 break;
 375         case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
 376                 break;
 377         }
 378
 379         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 380         skb_push(skb, sizeof(eth_hdr));
 381
 382         datap = skb->data;
 383
 384         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 385
 386         return 0;
 387 }
 388
 389 /*
 390  * Performs 802.3 to DIX encapsulation for received packets.
 391  * Assumes the entire 802.3 header is contigous.
 392  */
 393 int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
 394 {
 395         struct ath6kl_llc_snap_hdr *llc_hdr;
 396         struct ethhdr eth_hdr;
 397         u8 *datap;
 398
 399         if (WARN_ON(skb == NULL))
 400                 return -EINVAL;
 401
 402         datap = skb->data;
 403
 404         memcpy(&eth_hdr, datap, sizeof(eth_hdr));
 405
 406         llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
 407         eth_hdr.h_proto = llc_hdr->eth_type;
 408
 409         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 410         datap = skb->data;
 411
 412         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 413
 414         return 0;
 415 }
 416
 417 static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
 418 {
 419         struct tx_complete_msg_v1 *msg_v1;
 420         struct wmi_tx_complete_event *evt;
 421         int index;
 422         u16 size;
 423
 424         evt = (struct wmi_tx_complete_event *) datap;
 425
 426         ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
 427                    evt->num_msg, evt->msg_len, evt->msg_type);
 428
 429         for (index = 0; index < evt->num_msg; index++) {
 430                 size = sizeof(struct wmi_tx_complete_event) +
 431                     (index * sizeof(struct tx_complete_msg_v1));
 432                 msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
 433
 434                 ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
 435                            msg_v1->status, msg_v1->pkt_id,
 436                            msg_v1->rate_idx, msg_v1->ack_failures);
 437         }
 438
 439         return 0;
 440 }
 441
 442 static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
 443                                               int len, struct ath6kl_vif *vif)
 444 {
 445         struct wmi_remain_on_chnl_event *ev;
 446         u32 freq;
 447         u32 dur;
 448         struct ieee80211_channel *chan;
 449         struct ath6kl *ar = wmi->parent_dev;
 450         u32 id;
 451
 452         if (len < sizeof(*ev))
 453                 return -EINVAL;
 454
 455         ev = (struct wmi_remain_on_chnl_event *) datap;
 456         freq = le32_to_cpu(ev->freq);
 457         dur = le32_to_cpu(ev->duration);
 458         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
 459                    freq, dur);
 460         chan = ieee80211_get_channel(ar->wiphy, freq);
 461         if (!chan) {
 462                 ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: Unknown channel "
 463                            "(freq=%u)\n", freq);
 464                 return -EINVAL;
 465         }
 466         id = vif->last_roc_id;
 467         cfg80211_ready_on_channel(vif->ndev, id, chan, NL80211_CHAN_NO_HT,
 468                                   dur, GFP_ATOMIC);
 469
 470         return 0;
 471 }
 472
 473 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
 474                                                      u8 *datap, int len,
 475                                                      struct ath6kl_vif *vif)
 476 {
 477         struct wmi_cancel_remain_on_chnl_event *ev;
 478         u32 freq;
 479         u32 dur;
 480         struct ieee80211_channel *chan;
 481         struct ath6kl *ar = wmi->parent_dev;
 482         u32 id;
 483
 484         if (len < sizeof(*ev))
 485                 return -EINVAL;
 486
 487         ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
 488         freq = le32_to_cpu(ev->freq);
 489         dur = le32_to_cpu(ev->duration);
 490         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl: freq=%u dur=%u "
 491                    "status=%u\n", freq, dur, ev->status);
 492         chan = ieee80211_get_channel(ar->wiphy, freq);
 493         if (!chan) {
 494                 ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl: Unknown "
 495                            "channel (freq=%u)\n", freq);
 496                 return -EINVAL;
 497         }
 498         if (vif->last_cancel_roc_id &&
 499             vif->last_cancel_roc_id + 1 == vif->last_roc_id)
 500                 id = vif->last_cancel_roc_id; /* event for cancel command */
 501         else
 502                 id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
 503         vif->last_cancel_roc_id = 0;
 504         cfg80211_remain_on_channel_expired(vif->ndev, id, chan,
 505                                            NL80211_CHAN_NO_HT, GFP_ATOMIC);
 506
 507         return 0;
 508 }
 509
 510 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
 511                                          struct ath6kl_vif *vif)
 512 {
 513         struct wmi_tx_status_event *ev;
 514         u32 id;
 515
 516         if (len < sizeof(*ev))
 517                 return -EINVAL;
 518
 519         ev = (struct wmi_tx_status_event *) datap;
 520         id = le32_to_cpu(ev->id);
 521         ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
 522                    id, ev->ack_status);
 523         if (wmi->last_mgmt_tx_frame) {
 524                 cfg80211_mgmt_tx_status(vif->ndev, id,
 525                                         wmi->last_mgmt_tx_frame,
 526                                         wmi->last_mgmt_tx_frame_len,
 527                                         !!ev->ack_status, GFP_ATOMIC);
 528                 kfree(wmi->last_mgmt_tx_frame);
 529                 wmi->last_mgmt_tx_frame = NULL;
 530                 wmi->last_mgmt_tx_frame_len = 0;
 531         }
 532
 533         return 0;
 534 }
 535
 536 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
 537                                             struct ath6kl_vif *vif)
 538 {
 539         struct wmi_p2p_rx_probe_req_event *ev;
 540         u32 freq;
 541         u16 dlen;
 542
 543         if (len < sizeof(*ev))
 544                 return -EINVAL;
 545
 546         ev = (struct wmi_p2p_rx_probe_req_event *) datap;
 547         freq = le32_to_cpu(ev->freq);
 548         dlen = le16_to_cpu(ev->len);
 549         if (datap + len < ev->data + dlen) {
 550                 ath6kl_err("invalid wmi_p2p_rx_probe_req_event: "
 551                            "len=%d dlen=%u\n", len, dlen);
 552                 return -EINVAL;
 553         }
 554         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_probe_req: len=%u freq=%u "
 555                    "probe_req_report=%d\n",
 556                    dlen, freq, vif->probe_req_report);
 557
 558         if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
 559                 cfg80211_rx_mgmt(vif->ndev, freq, ev->data, dlen, GFP_ATOMIC);
 560
 561         return 0;
 562 }
 563
 564 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
 565 {
 566         struct wmi_p2p_capabilities_event *ev;
 567         u16 dlen;
 568
 569         if (len < sizeof(*ev))
 570                 return -EINVAL;
 571
 572         ev = (struct wmi_p2p_capabilities_event *) datap;
 573         dlen = le16_to_cpu(ev->len);
 574         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
 575
 576         return 0;
 577 }
 578
 579 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 580                                          struct ath6kl_vif *vif)
 581 {
 582         struct wmi_rx_action_event *ev;
 583         u32 freq;
 584         u16 dlen;
 585
 586         if (len < sizeof(*ev))
 587                 return -EINVAL;
 588
 589         ev = (struct wmi_rx_action_event *) datap;
 590         freq = le32_to_cpu(ev->freq);
 591         dlen = le16_to_cpu(ev->len);
 592         if (datap + len < ev->data + dlen) {
 593                 ath6kl_err("invalid wmi_rx_action_event: "
 594                            "len=%d dlen=%u\n", len, dlen);
 595                 return -EINVAL;
 596         }
 597         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
 598         cfg80211_rx_mgmt(vif->ndev, freq, ev->data, dlen, GFP_ATOMIC);
 599
 600         return 0;
 601 }
 602
 603 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
 604 {
 605         struct wmi_p2p_info_event *ev;
 606         u32 flags;
 607         u16 dlen;
 608
 609         if (len < sizeof(*ev))
 610                 return -EINVAL;
 611
 612         ev = (struct wmi_p2p_info_event *) datap;
 613         flags = le32_to_cpu(ev->info_req_flags);
 614         dlen = le16_to_cpu(ev->len);
 615         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
 616
 617         if (flags & P2P_FLAG_CAPABILITIES_REQ) {
 618                 struct wmi_p2p_capabilities *cap;
 619                 if (dlen < sizeof(*cap))
 620                         return -EINVAL;
 621                 cap = (struct wmi_p2p_capabilities *) ev->data;
 622                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
 623                            cap->go_power_save);
 624         }
 625
 626         if (flags & P2P_FLAG_MACADDR_REQ) {
 627                 struct wmi_p2p_macaddr *mac;
 628                 if (dlen < sizeof(*mac))
 629                         return -EINVAL;
 630                 mac = (struct wmi_p2p_macaddr *) ev->data;
 631                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
 632                            mac->mac_addr);
 633         }
 634
 635         if (flags & P2P_FLAG_HMODEL_REQ) {
 636                 struct wmi_p2p_hmodel *mod;
 637                 if (dlen < sizeof(*mod))
 638                         return -EINVAL;
 639                 mod = (struct wmi_p2p_hmodel *) ev->data;
 640                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
 641                            mod->p2p_model,
 642                            mod->p2p_model ? "host" : "firmware");
 643         }
 644         return 0;
 645 }
 646
 647 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
 648 {
 649         struct sk_buff *skb;
 650
 651         skb = ath6kl_buf_alloc(size);
 652         if (!skb)
 653                 return NULL;
 654
 655         skb_put(skb, size);
 656         if (size)
 657                 memset(skb->data, 0, size);
 658
 659         return skb;
 660 }
 661
 662 /* Send a "simple" wmi command -- one with no arguments */
 663 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
 664                                  enum wmi_cmd_id cmd_id)
 665 {
 666         struct sk_buff *skb;
 667         int ret;
 668
 669         skb = ath6kl_wmi_get_new_buf(0);
 670         if (!skb)
 671                 return -ENOMEM;
 672
 673         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
 674
 675         return ret;
 676 }
 677
 678 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
 679 {
 680         struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
 681
 682         if (len < sizeof(struct wmi_ready_event_2))
 683                 return -EINVAL;
 684
 685         ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
 686                            le32_to_cpu(ev->sw_version),
 687                            le32_to_cpu(ev->abi_version));
 688
 689         return 0;
 690 }
 691
 692 /*
 693  * Mechanism to modify the roaming behavior in the firmware. The lower rssi
 694  * at which the station has to roam can be passed with
 695  * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
 696  * in dBm.
 697  */
 698 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
 699 {
 700         struct sk_buff *skb;
 701         struct roam_ctrl_cmd *cmd;
 702
 703         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 704         if (!skb)
 705                 return -ENOMEM;
 706
 707         cmd = (struct roam_ctrl_cmd *) skb->data;
 708
 709         cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
 710         cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
 711                                                        DEF_SCAN_FOR_ROAM_INTVL);
 712         cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
 713         cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
 714         cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
 715
 716         ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 717                             NO_SYNC_WMIFLAG);
 718
 719         return 0;
 720 }
 721
 722 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
 723 {
 724         struct sk_buff *skb;
 725         struct roam_ctrl_cmd *cmd;
 726
 727         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 728         if (!skb)
 729                 return -ENOMEM;
 730
 731         cmd = (struct roam_ctrl_cmd *) skb->data;
 732         memset(cmd, 0, sizeof(*cmd));
 733
 734         memcpy(cmd->info.bssid, bssid, ETH_ALEN);
 735         cmd->roam_ctrl = WMI_FORCE_ROAM;
 736
 737         ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
 738         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 739                                    NO_SYNC_WMIFLAG);
 740 }
 741
 742 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 743 {
 744         struct sk_buff *skb;
 745         struct roam_ctrl_cmd *cmd;
 746
 747         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 748         if (!skb)
 749                 return -ENOMEM;
 750
 751         cmd = (struct roam_ctrl_cmd *) skb->data;
 752         memset(cmd, 0, sizeof(*cmd));
 753
 754         cmd->info.roam_mode = mode;
 755         cmd->roam_ctrl = WMI_SET_ROAM_MODE;
 756
 757         ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
 758         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 759                                    NO_SYNC_WMIFLAG);
 760 }
 761
 762 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
 763                                        struct ath6kl_vif *vif)
 764 {
 765         struct wmi_connect_event *ev;
 766         u8 *pie, *peie;
 767
 768         if (len < sizeof(struct wmi_connect_event))
 769                 return -EINVAL;
 770
 771         ev = (struct wmi_connect_event *) datap;
 772
 773         if (vif->nw_type == AP_NETWORK) {
 774                 /* AP mode start/STA connected event */
 775                 struct net_device *dev = vif->ndev;
 776                 if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
 777                         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: freq %d bssid %pM "
 778                                    "(AP started)\n",
 779                                    __func__, le16_to_cpu(ev->u.ap_bss.ch),
 780                                    ev->u.ap_bss.bssid);
 781                         ath6kl_connect_ap_mode_bss(
 782                                 vif, le16_to_cpu(ev->u.ap_bss.ch));
 783                 } else {
 784                         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: aid %u mac_addr %pM "
 785                                    "auth=%u keymgmt=%u cipher=%u apsd_info=%u "
 786                                    "(STA connected)\n",
 787                                    __func__, ev->u.ap_sta.aid,
 788                                    ev->u.ap_sta.mac_addr,
 789                                    ev->u.ap_sta.auth,
 790                                    ev->u.ap_sta.keymgmt,
 791                                    le16_to_cpu(ev->u.ap_sta.cipher),
 792                                    ev->u.ap_sta.apsd_info);
 793
 794                         ath6kl_connect_ap_mode_sta(
 795                                 vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
 796                                 ev->u.ap_sta.keymgmt,
 797                                 le16_to_cpu(ev->u.ap_sta.cipher),
 798                                 ev->u.ap_sta.auth, ev->assoc_req_len,
 799                                 ev->assoc_info + ev->beacon_ie_len,
 800                                 ev->u.ap_sta.apsd_info);
 801                 }
 802                 return 0;
 803         }
 804
 805         /* STA/IBSS mode connection event */
 806
 807         ath6kl_dbg(ATH6KL_DBG_WMI,
 808                    "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
 809                    le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
 810                    le16_to_cpu(ev->u.sta.listen_intvl),
 811                    le16_to_cpu(ev->u.sta.beacon_intvl),
 812                    le32_to_cpu(ev->u.sta.nw_type));
 813
 814         /* Start of assoc rsp IEs */
 815         pie = ev->assoc_info + ev->beacon_ie_len +
 816               ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
 817
 818         /* End of assoc rsp IEs */
 819         peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
 820             ev->assoc_resp_len;
 821
 822         while (pie < peie) {
 823                 switch (*pie) {
 824                 case WLAN_EID_VENDOR_SPECIFIC:
 825                         if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
 826                             pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
 827                                 /* WMM OUT (00:50:F2) */
 828                                 if (pie[1] > 5
 829                                     && pie[6] == WMM_PARAM_OUI_SUBTYPE)
 830                                         wmi->is_wmm_enabled = true;
 831                         }
 832                         break;
 833                 }
 834
 835                 if (wmi->is_wmm_enabled)
 836                         break;
 837
 838                 pie += pie[1] + 2;
 839         }
 840
 841         ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
 842                              ev->u.sta.bssid,
 843                              le16_to_cpu(ev->u.sta.listen_intvl),
 844                              le16_to_cpu(ev->u.sta.beacon_intvl),
 845                              le32_to_cpu(ev->u.sta.nw_type),
 846                              ev->beacon_ie_len, ev->assoc_req_len,
 847                              ev->assoc_resp_len, ev->assoc_info);
 848
 849         return 0;
 850 }
 851
 852 static struct country_code_to_enum_rd *
 853 ath6kl_regd_find_country(u16 countryCode)
 854 {
 855         int i;
 856
 857         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 858                 if (allCountries[i].countryCode == countryCode)
 859                         return &allCountries[i];
 860         }
 861
 862         return NULL;
 863 }
 864
 865 static struct reg_dmn_pair_mapping *
 866 ath6kl_get_regpair(u16 regdmn)
 867 {
 868         int i;
 869
 870         if (regdmn == NO_ENUMRD)
 871                 return NULL;
 872
 873         for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
 874                 if (regDomainPairs[i].regDmnEnum == regdmn)
 875                         return &regDomainPairs[i];
 876         }
 877
 878         return NULL;
 879 }
 880
 881 static struct country_code_to_enum_rd *
 882 ath6kl_regd_find_country_by_rd(u16 regdmn)
 883 {
 884         int i;
 885
 886         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 887                 if (allCountries[i].regDmnEnum == regdmn)
 888                         return &allCountries[i];
 889         }
 890
 891         return NULL;
 892 }
 893
 894 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 895 {
 896
 897         struct ath6kl_wmi_regdomain *ev;
 898         struct country_code_to_enum_rd *country = NULL;
 899         struct reg_dmn_pair_mapping *regpair = NULL;
 900         char alpha2[2];
 901         u32 reg_code;
 902
 903         ev = (struct ath6kl_wmi_regdomain *) datap;
 904         reg_code = le32_to_cpu(ev->reg_code);
 905
 906         if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG)
 907                 country = ath6kl_regd_find_country((u16) reg_code);
 908         else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
 909
 910                 regpair = ath6kl_get_regpair((u16) reg_code);
 911                 country = ath6kl_regd_find_country_by_rd((u16) reg_code);
 912                 ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
 913                                 regpair->regDmnEnum);
 914         }
 915
 916         if (country) {
 917                 alpha2[0] = country->isoName[0];
 918                 alpha2[1] = country->isoName[1];
 919
 920                 regulatory_hint(wmi->parent_dev->wiphy, alpha2);
 921
 922                 ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
 923                                 alpha2[0], alpha2[1]);
 924         }
 925 }
 926
 927 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
 928                                           struct ath6kl_vif *vif)
 929 {
 930         struct wmi_disconnect_event *ev;
 931         wmi->traffic_class = 100;
 932
 933         if (len < sizeof(struct wmi_disconnect_event))
 934                 return -EINVAL;
 935
 936         ev = (struct wmi_disconnect_event *) datap;
 937
 938         ath6kl_dbg(ATH6KL_DBG_WMI,
 939                    "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
 940                    le16_to_cpu(ev->proto_reason_status), ev->bssid,
 941                    ev->disconn_reason, ev->assoc_resp_len);
 942
 943         wmi->is_wmm_enabled = false;
 944
 945         ath6kl_disconnect_event(vif, ev->disconn_reason,
 946                                 ev->bssid, ev->assoc_resp_len, ev->assoc_info,
 947                                 le16_to_cpu(ev->proto_reason_status));
 948
 949         return 0;
 950 }
 951
 952 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
 953 {
 954         struct wmi_peer_node_event *ev;
 955
 956         if (len < sizeof(struct wmi_peer_node_event))
 957                 return -EINVAL;
 958
 959         ev = (struct wmi_peer_node_event *) datap;
 960
 961         if (ev->event_code == PEER_NODE_JOIN_EVENT)
 962                 ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
 963                            ev->peer_mac_addr);
 964         else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
 965                 ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
 966                            ev->peer_mac_addr);
 967
 968         return 0;
 969 }
 970
 971 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
 972                                            struct ath6kl_vif *vif)
 973 {
 974         struct wmi_tkip_micerr_event *ev;
 975
 976         if (len < sizeof(struct wmi_tkip_micerr_event))
 977                 return -EINVAL;
 978
 979         ev = (struct wmi_tkip_micerr_event *) datap;
 980
 981         ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
 982
 983         return 0;
 984 }
 985
 986 void ath6kl_wmi_sscan_timer(unsigned long ptr)
 987 {
 988         struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
 989
 990         cfg80211_sched_scan_results(vif->ar->wiphy);
 991 }
 992
 993 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
 994                                        struct ath6kl_vif *vif)
 995 {
 996         struct wmi_bss_info_hdr2 *bih;
 997         u8 *buf;
 998         struct ieee80211_channel *channel;
 999         struct ath6kl *ar = wmi->parent_dev;
1000         struct ieee80211_mgmt *mgmt;
1001         struct cfg80211_bss *bss;
1002
1003         if (len <= sizeof(struct wmi_bss_info_hdr2))
1004                 return -EINVAL;
1005
1006         bih = (struct wmi_bss_info_hdr2 *) datap;
1007         buf = datap + sizeof(struct wmi_bss_info_hdr2);
1008         len -= sizeof(struct wmi_bss_info_hdr2);
1009
1010         ath6kl_dbg(ATH6KL_DBG_WMI,
1011                    "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1012                    "frame_type=%d\n",
1013                    bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1014                    bih->frame_type);
1015
1016         if (bih->frame_type != BEACON_FTYPE &&
1017             bih->frame_type != PROBERESP_FTYPE)
1018                 return 0; /* Only update BSS table for now */
1019
1020         if (bih->frame_type == BEACON_FTYPE &&
1021             test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1022                 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1023                 ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1024                                          NONE_BSS_FILTER, 0);
1025         }
1026
1027         channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1028         if (channel == NULL)
1029                 return -EINVAL;
1030
1031         if (len < 8 + 2 + 2)
1032                 return -EINVAL;
1033
1034         if (bih->frame_type == BEACON_FTYPE && test_bit(CONNECTED, &vif->flags)
1035             && memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1036                 const u8 *tim;
1037                 tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1038                                        len - 8 - 2 - 2);
1039                 if (tim && tim[1] >= 2) {
1040                         vif->assoc_bss_dtim_period = tim[3];
1041                         set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1042                 }
1043         }
1044
1045         /*
1046          * In theory, use of cfg80211_inform_bss() would be more natural here
1047          * since we do not have the full frame. However, at least for now,
1048          * cfg80211 can only distinguish Beacon and Probe Response frames from
1049          * each other when using cfg80211_inform_bss_frame(), so let's build a
1050          * fake IEEE 802.11 header to be able to take benefit of this.
1051          */
1052         mgmt = kmalloc(24 + len, GFP_ATOMIC);
1053         if (mgmt == NULL)
1054                 return -EINVAL;
1055
1056         if (bih->frame_type == BEACON_FTYPE) {
1057                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1058                                                   IEEE80211_STYPE_BEACON);
1059                 memset(mgmt->da, 0xff, ETH_ALEN);
1060         } else {
1061                 struct net_device *dev = vif->ndev;
1062
1063                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1064                                                   IEEE80211_STYPE_PROBE_RESP);
1065                 memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
1066         }
1067         mgmt->duration = cpu_to_le16(0);
1068         memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
1069         memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
1070         mgmt->seq_ctrl = cpu_to_le16(0);
1071
1072         memcpy(&mgmt->u.beacon, buf, len);
1073
1074         bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
1075                                         24 + len, (bih->snr - 95) * 100,
1076                                         GFP_ATOMIC);
1077         kfree(mgmt);
1078         if (bss == NULL)
1079                 return -ENOMEM;
1080         cfg80211_put_bss(bss);
1081
1082         /*
1083          * Firmware doesn't return any event when scheduled scan has
1084          * finished, so we need to use a timer to find out when there are
1085          * no more results.
1086          *
1087          * The timer is started from the first bss info received, otherwise
1088          * the timer would not ever fire if the scan interval is short
1089          * enough.
1090          */
1091         if (ar->state == ATH6KL_STATE_SCHED_SCAN &&
1092             !timer_pending(&vif->sched_scan_timer)) {
1093                 mod_timer(&vif->sched_scan_timer, jiffies +
1094                           msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1095         }
1096
1097         return 0;
1098 }
1099
1100 /* Inactivity timeout of a fatpipe(pstream) at the target */
1101 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1102                                                int len)
1103 {
1104         struct wmi_pstream_timeout_event *ev;
1105
1106         if (len < sizeof(struct wmi_pstream_timeout_event))
1107                 return -EINVAL;
1108
1109         ev = (struct wmi_pstream_timeout_event *) datap;
1110
1111         /*
1112          * When the pstream (fat pipe == AC) timesout, it means there were
1113          * no thinStreams within this pstream & it got implicitly created
1114          * due to data flow on this AC. We start the inactivity timer only
1115          * for implicitly created pstream. Just reset the host state.
1116          */
1117         spin_lock_bh(&wmi->lock);
1118         wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1119         wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1120         spin_unlock_bh(&wmi->lock);
1121
1122         /* Indicate inactivity to driver layer for this fatpipe (pstream) */
1123         ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1124
1125         return 0;
1126 }
1127
1128 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1129 {
1130         struct wmi_bit_rate_reply *reply;
1131         s32 rate;
1132         u32 sgi, index;
1133
1134         if (len < sizeof(struct wmi_bit_rate_reply))
1135                 return -EINVAL;
1136
1137         reply = (struct wmi_bit_rate_reply *) datap;
1138
1139         ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1140
1141         if (reply->rate_index == (s8) RATE_AUTO) {
1142                 rate = RATE_AUTO;
1143         } else {
1144                 index = reply->rate_index & 0x7f;
1145                 sgi = (reply->rate_index & 0x80) ? 1 : 0;
1146                 rate = wmi_rate_tbl[index][sgi];
1147         }
1148
1149         ath6kl_wakeup_event(wmi->parent_dev);
1150
1151         return 0;
1152 }
1153
1154 static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1155 {
1156         ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1157
1158         return 0;
1159 }
1160
1161 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1162 {
1163         if (len < sizeof(struct wmi_fix_rates_reply))
1164                 return -EINVAL;
1165
1166         ath6kl_wakeup_event(wmi->parent_dev);
1167
1168         return 0;
1169 }
1170
1171 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1172 {
1173         if (len < sizeof(struct wmi_channel_list_reply))
1174                 return -EINVAL;
1175
1176         ath6kl_wakeup_event(wmi->parent_dev);
1177
1178         return 0;
1179 }
1180
1181 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1182 {
1183         struct wmi_tx_pwr_reply *reply;
1184
1185         if (len < sizeof(struct wmi_tx_pwr_reply))
1186                 return -EINVAL;
1187
1188         reply = (struct wmi_tx_pwr_reply *) datap;
1189         ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1190
1191         return 0;
1192 }
1193
1194 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1195 {
1196         if (len < sizeof(struct wmi_get_keepalive_cmd))
1197                 return -EINVAL;
1198
1199         ath6kl_wakeup_event(wmi->parent_dev);
1200
1201         return 0;
1202 }
1203
1204 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1205                                        struct ath6kl_vif *vif)
1206 {
1207         struct wmi_scan_complete_event *ev;
1208
1209         ev = (struct wmi_scan_complete_event *) datap;
1210
1211         ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1212         wmi->is_probe_ssid = false;
1213
1214         return 0;
1215 }
1216
1217 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1218                                                int len, struct ath6kl_vif *vif)
1219 {
1220         struct wmi_neighbor_report_event *ev;
1221         u8 i;
1222
1223         if (len < sizeof(*ev))
1224                 return -EINVAL;
1225         ev = (struct wmi_neighbor_report_event *) datap;
1226         if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1227             > len) {
1228                 ath6kl_dbg(ATH6KL_DBG_WMI, "truncated neighbor event "
1229                            "(num=%d len=%d)\n", ev->num_neighbors, len);
1230                 return -EINVAL;
1231         }
1232         for (i = 0; i < ev->num_neighbors; i++) {
1233                 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1234                            i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1235                            ev->neighbor[i].bss_flags);
1236                 cfg80211_pmksa_candidate_notify(vif->ndev, i,
1237                                                 ev->neighbor[i].bssid,
1238                                                 !!(ev->neighbor[i].bss_flags &
1239                                                    WMI_PREAUTH_CAPABLE_BSS),
1240                                                 GFP_ATOMIC);
1241         }
1242
1243         return 0;
1244 }
1245
1246 /*
1247  * Target is reporting a programming error.  This is for
1248  * developer aid only.  Target only checks a few common violations
1249  * and it is responsibility of host to do all error checking.
1250  * Behavior of target after wmi error event is undefined.
1251  * A reset is recommended.
1252  */
1253 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1254 {
1255         const char *type = "unknown error";
1256         struct wmi_cmd_error_event *ev;
1257         ev = (struct wmi_cmd_error_event *) datap;
1258
1259         switch (ev->err_code) {
1260         case INVALID_PARAM:
1261                 type = "invalid parameter";
1262                 break;
1263         case ILLEGAL_STATE:
1264                 type = "invalid state";
1265                 break;
1266         case INTERNAL_ERROR:
1267                 type = "internal error";
1268                 break;
1269         }
1270
1271         ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1272                    ev->cmd_id, type);
1273
1274         return 0;
1275 }
1276
1277 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1278                                      struct ath6kl_vif *vif)
1279 {
1280         ath6kl_tgt_stats_event(vif, datap, len);
1281
1282         return 0;
1283 }
1284
1285 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1286                                          struct sq_threshold_params *sq_thresh,
1287                                          u32 size)
1288 {
1289         u32 index;
1290         u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1291
1292         /* The list is already in sorted order. Get the next lower value */
1293         for (index = 0; index < size; index++) {
1294                 if (rssi < sq_thresh->upper_threshold[index]) {
1295                         threshold = (u8) sq_thresh->upper_threshold[index];
1296                         break;
1297                 }
1298         }
1299
1300         return threshold;
1301 }
1302
1303 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1304                                          struct sq_threshold_params *sq_thresh,
1305                                          u32 size)
1306 {
1307         u32 index;
1308         u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1309
1310         /* The list is already in sorted order. Get the next lower value */
1311         for (index = 0; index < size; index++) {
1312                 if (rssi > sq_thresh->lower_threshold[index]) {
1313                         threshold = (u8) sq_thresh->lower_threshold[index];
1314                         break;
1315                 }
1316         }
1317
1318         return threshold;
1319 }
1320
1321 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1322                         struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1323 {
1324         struct sk_buff *skb;
1325         struct wmi_rssi_threshold_params_cmd *cmd;
1326
1327         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1328         if (!skb)
1329                 return -ENOMEM;
1330
1331         cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1332         memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1333
1334         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1335                                    NO_SYNC_WMIFLAG);
1336 }
1337
1338 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1339                                               int len)
1340 {
1341         struct wmi_rssi_threshold_event *reply;
1342         struct wmi_rssi_threshold_params_cmd cmd;
1343         struct sq_threshold_params *sq_thresh;
1344         enum wmi_rssi_threshold_val new_threshold;
1345         u8 upper_rssi_threshold, lower_rssi_threshold;
1346         s16 rssi;
1347         int ret;
1348
1349         if (len < sizeof(struct wmi_rssi_threshold_event))
1350                 return -EINVAL;
1351
1352         reply = (struct wmi_rssi_threshold_event *) datap;
1353         new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1354         rssi = a_sle16_to_cpu(reply->rssi);
1355
1356         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1357
1358         /*
1359          * Identify the threshold breached and communicate that to the app.
1360          * After that install a new set of thresholds based on the signal
1361          * quality reported by the target
1362          */
1363         if (new_threshold) {
1364                 /* Upper threshold breached */
1365                 if (rssi < sq_thresh->upper_threshold[0]) {
1366                         ath6kl_dbg(ATH6KL_DBG_WMI,
1367                                 "spurious upper rssi threshold event: %d\n",
1368                                 rssi);
1369                 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1370                            (rssi >= sq_thresh->upper_threshold[0])) {
1371                         new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1372                 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1373                            (rssi >= sq_thresh->upper_threshold[1])) {
1374                         new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1375                 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1376                            (rssi >= sq_thresh->upper_threshold[2])) {
1377                         new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1378                 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1379                            (rssi >= sq_thresh->upper_threshold[3])) {
1380                         new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1381                 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1382                            (rssi >= sq_thresh->upper_threshold[4])) {
1383                         new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1384                 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1385                         new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1386                 }
1387         } else {
1388                 /* Lower threshold breached */
1389                 if (rssi > sq_thresh->lower_threshold[0]) {
1390                         ath6kl_dbg(ATH6KL_DBG_WMI,
1391                                 "spurious lower rssi threshold event: %d %d\n",
1392                                 rssi, sq_thresh->lower_threshold[0]);
1393                 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1394                            (rssi <= sq_thresh->lower_threshold[0])) {
1395                         new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1396                 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1397                            (rssi <= sq_thresh->lower_threshold[1])) {
1398                         new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1399                 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1400                            (rssi <= sq_thresh->lower_threshold[2])) {
1401                         new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1402                 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1403                            (rssi <= sq_thresh->lower_threshold[3])) {
1404                         new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1405                 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1406                            (rssi <= sq_thresh->lower_threshold[4])) {
1407                         new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1408                 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1409                         new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1410                 }
1411         }
1412
1413         /* Calculate and install the next set of thresholds */
1414         lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1415                                        sq_thresh->lower_threshold_valid_count);
1416         upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1417                                        sq_thresh->upper_threshold_valid_count);
1418
1419         /* Issue a wmi command to install the thresholds */
1420         cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1421         cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1422         cmd.weight = sq_thresh->weight;
1423         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1424
1425         ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1426         if (ret) {
1427                 ath6kl_err("unable to configure rssi thresholds\n");
1428                 return -EIO;
1429         }
1430
1431         return 0;
1432 }
1433
1434 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1435                                    struct ath6kl_vif *vif)
1436 {
1437         struct wmi_cac_event *reply;
1438         struct ieee80211_tspec_ie *ts;
1439         u16 active_tsids, tsinfo;
1440         u8 tsid, index;
1441         u8 ts_id;
1442
1443         if (len < sizeof(struct wmi_cac_event))
1444                 return -EINVAL;
1445
1446         reply = (struct wmi_cac_event *) datap;
1447
1448         if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1449             (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1450
1451                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1452                 tsinfo = le16_to_cpu(ts->tsinfo);
1453                 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1454                         IEEE80211_WMM_IE_TSPEC_TID_MASK;
1455
1456                 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1457                                               reply->ac, tsid);
1458         } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1459                 /*
1460                  * Following assumes that there is only one outstanding
1461                  * ADDTS request when this event is received
1462                  */
1463                 spin_lock_bh(&wmi->lock);
1464                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1465                 spin_unlock_bh(&wmi->lock);
1466
1467                 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1468                         if ((active_tsids >> index) & 1)
1469                                 break;
1470                 }
1471                 if (index < (sizeof(active_tsids) * 8))
1472                         ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1473                                                       reply->ac, index);
1474         }
1475
1476         /*
1477          * Clear active tsids and Add missing handling
1478          * for delete qos stream from AP
1479          */
1480         else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1481
1482                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1483                 tsinfo = le16_to_cpu(ts->tsinfo);
1484                 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1485                          IEEE80211_WMM_IE_TSPEC_TID_MASK);
1486
1487                 spin_lock_bh(&wmi->lock);
1488                 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1489                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1490                 spin_unlock_bh(&wmi->lock);
1491
1492                 /* Indicate stream inactivity to driver layer only if all tsids
1493                  * within this AC are deleted.
1494                  */
1495                 if (!active_tsids) {
1496                         ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1497                                                     false);
1498                         wmi->fat_pipe_exist &= ~(1 << reply->ac);
1499                 }
1500         }
1501
1502         return 0;
1503 }
1504
1505 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1506                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1507 {
1508         struct sk_buff *skb;
1509         struct wmi_snr_threshold_params_cmd *cmd;
1510
1511         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1512         if (!skb)
1513                 return -ENOMEM;
1514
1515         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1516         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1517
1518         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1519                                    NO_SYNC_WMIFLAG);
1520 }
1521
1522 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1523                                              int len)
1524 {
1525         struct wmi_snr_threshold_event *reply;
1526         struct sq_threshold_params *sq_thresh;
1527         struct wmi_snr_threshold_params_cmd cmd;
1528         enum wmi_snr_threshold_val new_threshold;
1529         u8 upper_snr_threshold, lower_snr_threshold;
1530         s16 snr;
1531         int ret;
1532
1533         if (len < sizeof(struct wmi_snr_threshold_event))
1534                 return -EINVAL;
1535
1536         reply = (struct wmi_snr_threshold_event *) datap;
1537
1538         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1539         snr = reply->snr;
1540
1541         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1542
1543         /*
1544          * Identify the threshold breached and communicate that to the app.
1545          * After that install a new set of thresholds based on the signal
1546          * quality reported by the target.
1547          */
1548         if (new_threshold) {
1549                 /* Upper threshold breached */
1550                 if (snr < sq_thresh->upper_threshold[0]) {
1551                         ath6kl_dbg(ATH6KL_DBG_WMI,
1552                                 "spurious upper snr threshold event: %d\n",
1553                                 snr);
1554                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1555                            (snr >= sq_thresh->upper_threshold[0])) {
1556                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1557                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1558                            (snr >= sq_thresh->upper_threshold[1])) {
1559                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1560                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1561                            (snr >= sq_thresh->upper_threshold[2])) {
1562                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1563                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1564                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1565                 }
1566         } else {
1567                 /* Lower threshold breached */
1568                 if (snr > sq_thresh->lower_threshold[0]) {
1569                         ath6kl_dbg(ATH6KL_DBG_WMI,
1570                                 "spurious lower snr threshold event: %d\n",
1571                                 sq_thresh->lower_threshold[0]);
1572                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1573                            (snr <= sq_thresh->lower_threshold[0])) {
1574                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1575                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1576                            (snr <= sq_thresh->lower_threshold[1])) {
1577                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1578                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1579                            (snr <= sq_thresh->lower_threshold[2])) {
1580                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1581                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1582                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1583                 }
1584         }
1585
1586         /* Calculate and install the next set of thresholds */
1587         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1588                                        sq_thresh->lower_threshold_valid_count);
1589         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1590                                        sq_thresh->upper_threshold_valid_count);
1591
1592         /* Issue a wmi command to install the thresholds */
1593         cmd.thresh_above1_val = upper_snr_threshold;
1594         cmd.thresh_below1_val = lower_snr_threshold;
1595         cmd.weight = sq_thresh->weight;
1596         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1597
1598         ath6kl_dbg(ATH6KL_DBG_WMI,
1599                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1600                    snr, new_threshold,
1601                    lower_snr_threshold, upper_snr_threshold);
1602
1603         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1604         if (ret) {
1605                 ath6kl_err("unable to configure snr threshold\n");
1606                 return -EIO;
1607         }
1608
1609         return 0;
1610 }
1611
1612 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1613 {
1614         u16 ap_info_entry_size;
1615         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1616         struct wmi_ap_info_v1 *ap_info_v1;
1617         u8 index;
1618
1619         if (len < sizeof(struct wmi_aplist_event) ||
1620             ev->ap_list_ver != APLIST_VER1)
1621                 return -EINVAL;
1622
1623         ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1624         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1625
1626         ath6kl_dbg(ATH6KL_DBG_WMI,
1627                    "number of APs in aplist event: %d\n", ev->num_ap);
1628
1629         if (len < (int) (sizeof(struct wmi_aplist_event) +
1630                          (ev->num_ap - 1) * ap_info_entry_size))
1631                 return -EINVAL;
1632
1633         /* AP list version 1 contents */
1634         for (index = 0; index < ev->num_ap; index++) {
1635                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1636                            index, ap_info_v1->bssid, ap_info_v1->channel);
1637                 ap_info_v1++;
1638         }
1639
1640         return 0;
1641 }
1642
1643 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1644                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1645 {
1646         struct wmi_cmd_hdr *cmd_hdr;
1647         enum htc_endpoint_id ep_id = wmi->ep_id;
1648         int ret;
1649         u16 info1;
1650
1651         if (WARN_ON(skb == NULL || (if_idx > (wmi->parent_dev->vif_max - 1))))
1652                 return -EINVAL;
1653
1654         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1655                    cmd_id, skb->len, sync_flag);
1656         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1657                         skb->data, skb->len);
1658
1659         if (sync_flag >= END_WMIFLAG) {
1660                 dev_kfree_skb(skb);
1661                 return -EINVAL;
1662         }
1663
1664         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1665             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1666                 /*
1667                  * Make sure all data currently queued is transmitted before
1668                  * the cmd execution.  Establish a new sync point.
1669                  */
1670                 ath6kl_wmi_sync_point(wmi, if_idx);
1671         }
1672
1673         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1674
1675         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1676         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1677         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1678         cmd_hdr->info1 = cpu_to_le16(info1);
1679
1680         /* Only for OPT_TX_CMD, use BE endpoint. */
1681         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1682                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1683                                               false, false, 0, NULL, if_idx);
1684                 if (ret) {
1685                         dev_kfree_skb(skb);
1686                         return ret;
1687                 }
1688                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1689         }
1690
1691         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1692
1693         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1694             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1695                 /*
1696                  * Make sure all new data queued waits for the command to
1697                  * execute. Establish a new sync point.
1698                  */
1699                 ath6kl_wmi_sync_point(wmi, if_idx);
1700         }
1701
1702         return 0;
1703 }
1704
1705 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1706                            enum network_type nw_type,
1707                            enum dot11_auth_mode dot11_auth_mode,
1708                            enum auth_mode auth_mode,
1709                            enum crypto_type pairwise_crypto,
1710                            u8 pairwise_crypto_len,
1711                            enum crypto_type group_crypto,
1712                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1713                            u8 *bssid, u16 channel, u32 ctrl_flags,
1714                            u8 nw_subtype)
1715 {
1716         struct sk_buff *skb;
1717         struct wmi_connect_cmd *cc;
1718         int ret;
1719
1720         ath6kl_dbg(ATH6KL_DBG_WMI,
1721                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1722                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1723                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1724                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1725         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1726
1727         wmi->traffic_class = 100;
1728
1729         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1730                 return -EINVAL;
1731
1732         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1733                 return -EINVAL;
1734
1735         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1736         if (!skb)
1737                 return -ENOMEM;
1738
1739         cc = (struct wmi_connect_cmd *) skb->data;
1740
1741         if (ssid_len)
1742                 memcpy(cc->ssid, ssid, ssid_len);
1743
1744         cc->ssid_len = ssid_len;
1745         cc->nw_type = nw_type;
1746         cc->dot11_auth_mode = dot11_auth_mode;
1747         cc->auth_mode = auth_mode;
1748         cc->prwise_crypto_type = pairwise_crypto;
1749         cc->prwise_crypto_len = pairwise_crypto_len;
1750         cc->grp_crypto_type = group_crypto;
1751         cc->grp_crypto_len = group_crypto_len;
1752         cc->ch = cpu_to_le16(channel);
1753         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1754         cc->nw_subtype = nw_subtype;
1755
1756         if (bssid != NULL)
1757                 memcpy(cc->bssid, bssid, ETH_ALEN);
1758
1759         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1760                                   NO_SYNC_WMIFLAG);
1761
1762         return ret;
1763 }
1764
1765 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1766                              u16 channel)
1767 {
1768         struct sk_buff *skb;
1769         struct wmi_reconnect_cmd *cc;
1770         int ret;
1771
1772         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1773                    bssid, channel);
1774
1775         wmi->traffic_class = 100;
1776
1777         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1778         if (!skb)
1779                 return -ENOMEM;
1780
1781         cc = (struct wmi_reconnect_cmd *) skb->data;
1782         cc->channel = cpu_to_le16(channel);
1783
1784         if (bssid != NULL)
1785                 memcpy(cc->bssid, bssid, ETH_ALEN);
1786
1787         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1788                                   NO_SYNC_WMIFLAG);
1789
1790         return ret;
1791 }
1792
1793 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1794 {
1795         int ret;
1796
1797         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1798
1799         wmi->traffic_class = 100;
1800
1801         /* Disconnect command does not need to do a SYNC before. */
1802         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1803
1804         return ret;
1805 }
1806
1807 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1808                              enum wmi_scan_type scan_type,
1809                              u32 force_fgscan, u32 is_legacy,
1810                              u32 home_dwell_time, u32 force_scan_interval,
1811                              s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
1812 {
1813         struct sk_buff *skb;
1814         struct wmi_begin_scan_cmd *sc;
1815         s8 size;
1816         int i, band, ret;
1817         struct ath6kl *ar = wmi->parent_dev;
1818         int num_rates;
1819
1820         size = sizeof(struct wmi_begin_scan_cmd);
1821
1822         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1823                 return -EINVAL;
1824
1825         if (num_chan > WMI_MAX_CHANNELS)
1826                 return -EINVAL;
1827
1828         if (num_chan)
1829                 size += sizeof(u16) * (num_chan - 1);
1830
1831         skb = ath6kl_wmi_get_new_buf(size);
1832         if (!skb)
1833                 return -ENOMEM;
1834
1835         sc = (struct wmi_begin_scan_cmd *) skb->data;
1836         sc->scan_type = scan_type;
1837         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1838         sc->is_legacy = cpu_to_le32(is_legacy);
1839         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1840         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1841         sc->no_cck = cpu_to_le32(no_cck);
1842         sc->num_ch = num_chan;
1843
1844         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
1845                 struct ieee80211_supported_band *sband =
1846                     ar->wiphy->bands[band];
1847                 u32 ratemask = rates[band];
1848                 u8 *supp_rates = sc->supp_rates[band].rates;
1849                 num_rates = 0;
1850
1851                 for (i = 0; i < sband->n_bitrates; i++) {
1852                         if ((BIT(i) & ratemask) == 0)
1853                                 continue; /* skip rate */
1854                         supp_rates[num_rates++] =
1855                             (u8) (sband->bitrates[i].bitrate / 5);
1856                 }
1857                 sc->supp_rates[band].nrates = num_rates;
1858         }
1859
1860         for (i = 0; i < num_chan; i++)
1861                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1862
1863         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
1864                                   NO_SYNC_WMIFLAG);
1865
1866         return ret;
1867 }
1868
1869 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1870  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1871  * mgmt operations using station interface.
1872  */
1873 int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1874                              enum wmi_scan_type scan_type,
1875                              u32 force_fgscan, u32 is_legacy,
1876                              u32 home_dwell_time, u32 force_scan_interval,
1877                              s8 num_chan, u16 *ch_list)
1878 {
1879         struct sk_buff *skb;
1880         struct wmi_start_scan_cmd *sc;
1881         s8 size;
1882         int i, ret;
1883
1884         size = sizeof(struct wmi_start_scan_cmd);
1885
1886         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1887                 return -EINVAL;
1888
1889         if (num_chan > WMI_MAX_CHANNELS)
1890                 return -EINVAL;
1891
1892         if (num_chan)
1893                 size += sizeof(u16) * (num_chan - 1);
1894
1895         skb = ath6kl_wmi_get_new_buf(size);
1896         if (!skb)
1897                 return -ENOMEM;
1898
1899         sc = (struct wmi_start_scan_cmd *) skb->data;
1900         sc->scan_type = scan_type;
1901         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1902         sc->is_legacy = cpu_to_le32(is_legacy);
1903         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1904         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1905         sc->num_ch = num_chan;
1906
1907         for (i = 0; i < num_chan; i++)
1908                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1909
1910         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1911                                   NO_SYNC_WMIFLAG);
1912
1913         return ret;
1914 }
1915
1916 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
1917                               u16 fg_start_sec,
1918                               u16 fg_end_sec, u16 bg_sec,
1919                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
1920                               u16 pas_chdw_msec, u8 short_scan_ratio,
1921                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
1922                               u16 maxact_scan_per_ssid)
1923 {
1924         struct sk_buff *skb;
1925         struct wmi_scan_params_cmd *sc;
1926         int ret;
1927
1928         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
1929         if (!skb)
1930                 return -ENOMEM;
1931
1932         sc = (struct wmi_scan_params_cmd *) skb->data;
1933         sc->fg_start_period = cpu_to_le16(fg_start_sec);
1934         sc->fg_end_period = cpu_to_le16(fg_end_sec);
1935         sc->bg_period = cpu_to_le16(bg_sec);
1936         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
1937         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
1938         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
1939         sc->short_scan_ratio = short_scan_ratio;
1940         sc->scan_ctrl_flags = scan_ctrl_flag;
1941         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
1942         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
1943
1944         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
1945                                   NO_SYNC_WMIFLAG);
1946         return ret;
1947 }
1948
1949 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
1950 {
1951         struct sk_buff *skb;
1952         struct wmi_bss_filter_cmd *cmd;
1953         int ret;
1954
1955         if (filter >= LAST_BSS_FILTER)
1956                 return -EINVAL;
1957
1958         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1959         if (!skb)
1960                 return -ENOMEM;
1961
1962         cmd = (struct wmi_bss_filter_cmd *) skb->data;
1963         cmd->bss_filter = filter;
1964         cmd->ie_mask = cpu_to_le32(ie_mask);
1965
1966         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
1967                                   NO_SYNC_WMIFLAG);
1968         return ret;
1969 }
1970
1971 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
1972                               u8 ssid_len, u8 *ssid)
1973 {
1974         struct sk_buff *skb;
1975         struct wmi_probed_ssid_cmd *cmd;
1976         int ret;
1977
1978         if (index > MAX_PROBED_SSID_INDEX)
1979                 return -EINVAL;
1980
1981         if (ssid_len > sizeof(cmd->ssid))
1982                 return -EINVAL;
1983
1984         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
1985                 return -EINVAL;
1986
1987         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
1988                 return -EINVAL;
1989
1990         if (flag & SPECIFIC_SSID_FLAG)
1991                 wmi->is_probe_ssid = true;
1992
1993         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1994         if (!skb)
1995                 return -ENOMEM;
1996
1997         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
1998         cmd->entry_index = index;
1999         cmd->flag = flag;
2000         cmd->ssid_len = ssid_len;
2001         memcpy(cmd->ssid, ssid, ssid_len);
2002
2003         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2004                                   NO_SYNC_WMIFLAG);
2005         return ret;
2006 }
2007
2008 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2009                                   u16 listen_interval,
2010                                   u16 listen_beacons)
2011 {
2012         struct sk_buff *skb;
2013         struct wmi_listen_int_cmd *cmd;
2014         int ret;
2015
2016         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2017         if (!skb)
2018                 return -ENOMEM;
2019
2020         cmd = (struct wmi_listen_int_cmd *) skb->data;
2021         cmd->listen_intvl = cpu_to_le16(listen_interval);
2022         cmd->num_beacons = cpu_to_le16(listen_beacons);
2023
2024         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2025                                   NO_SYNC_WMIFLAG);
2026         return ret;
2027 }
2028
2029 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2030 {
2031         struct sk_buff *skb;
2032         struct wmi_power_mode_cmd *cmd;
2033         int ret;
2034
2035         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2036         if (!skb)
2037                 return -ENOMEM;
2038
2039         cmd = (struct wmi_power_mode_cmd *) skb->data;
2040         cmd->pwr_mode = pwr_mode;
2041         wmi->pwr_mode = pwr_mode;
2042
2043         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2044                                   NO_SYNC_WMIFLAG);
2045         return ret;
2046 }
2047
2048 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2049                             u16 ps_poll_num, u16 dtim_policy,
2050                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2051                             u16 ps_fail_event_policy)
2052 {
2053         struct sk_buff *skb;
2054         struct wmi_power_params_cmd *pm;
2055         int ret;
2056
2057         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2058         if (!skb)
2059                 return -ENOMEM;
2060
2061         pm = (struct wmi_power_params_cmd *)skb->data;
2062         pm->idle_period = cpu_to_le16(idle_period);
2063         pm->pspoll_number = cpu_to_le16(ps_poll_num);
2064         pm->dtim_policy = cpu_to_le16(dtim_policy);
2065         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2066         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2067         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2068
2069         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2070                                   NO_SYNC_WMIFLAG);
2071         return ret;
2072 }
2073
2074 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2075 {
2076         struct sk_buff *skb;
2077         struct wmi_disc_timeout_cmd *cmd;
2078         int ret;
2079
2080         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2081         if (!skb)
2082                 return -ENOMEM;
2083
2084         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2085         cmd->discon_timeout = timeout;
2086
2087         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2088                                   NO_SYNC_WMIFLAG);
2089
2090         if (ret == 0)
2091                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2092
2093         return ret;
2094 }
2095
2096 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2097                           enum crypto_type key_type,
2098                           u8 key_usage, u8 key_len,
2099                           u8 *key_rsc, unsigned int key_rsc_len,
2100                           u8 *key_material,
2101                           u8 key_op_ctrl, u8 *mac_addr,
2102                           enum wmi_sync_flag sync_flag)
2103 {
2104         struct sk_buff *skb;
2105         struct wmi_add_cipher_key_cmd *cmd;
2106         int ret;
2107
2108         ath6kl_dbg(ATH6KL_DBG_WMI, "addkey cmd: key_index=%u key_type=%d "
2109                    "key_usage=%d key_len=%d key_op_ctrl=%d\n",
2110                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2111
2112         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2113             (key_material == NULL) || key_rsc_len > 8)
2114                 return -EINVAL;
2115
2116         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2117                 return -EINVAL;
2118
2119         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2120         if (!skb)
2121                 return -ENOMEM;
2122
2123         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2124         cmd->key_index = key_index;
2125         cmd->key_type = key_type;
2126         cmd->key_usage = key_usage;
2127         cmd->key_len = key_len;
2128         memcpy(cmd->key, key_material, key_len);
2129
2130         if (key_rsc != NULL)
2131                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2132
2133         cmd->key_op_ctrl = key_op_ctrl;
2134
2135         if (mac_addr)
2136                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2137
2138         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2139                                   sync_flag);
2140
2141         return ret;
2142 }
2143
2144 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk)
2145 {
2146         struct sk_buff *skb;
2147         struct wmi_add_krk_cmd *cmd;
2148         int ret;
2149
2150         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2151         if (!skb)
2152                 return -ENOMEM;
2153
2154         cmd = (struct wmi_add_krk_cmd *) skb->data;
2155         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2156
2157         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2158                                   NO_SYNC_WMIFLAG);
2159
2160         return ret;
2161 }
2162
2163 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2164 {
2165         struct sk_buff *skb;
2166         struct wmi_delete_cipher_key_cmd *cmd;
2167         int ret;
2168
2169         if (key_index > WMI_MAX_KEY_INDEX)
2170                 return -EINVAL;
2171
2172         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2173         if (!skb)
2174                 return -ENOMEM;
2175
2176         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2177         cmd->key_index = key_index;
2178
2179         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2180                                   NO_SYNC_WMIFLAG);
2181
2182         return ret;
2183 }
2184
2185 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2186                             const u8 *pmkid, bool set)
2187 {
2188         struct sk_buff *skb;
2189         struct wmi_setpmkid_cmd *cmd;
2190         int ret;
2191
2192         if (bssid == NULL)
2193                 return -EINVAL;
2194
2195         if (set && pmkid == NULL)
2196                 return -EINVAL;
2197
2198         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2199         if (!skb)
2200                 return -ENOMEM;
2201
2202         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2203         memcpy(cmd->bssid, bssid, ETH_ALEN);
2204         if (set) {
2205                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2206                 cmd->enable = PMKID_ENABLE;
2207         } else {
2208                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2209                 cmd->enable = PMKID_DISABLE;
2210         }
2211
2212         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2213                                   NO_SYNC_WMIFLAG);
2214
2215         return ret;
2216 }
2217
2218 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2219                               enum htc_endpoint_id ep_id, u8 if_idx)
2220 {
2221         struct wmi_data_hdr *data_hdr;
2222         int ret;
2223
2224         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id))
2225                 return -EINVAL;
2226
2227         skb_push(skb, sizeof(struct wmi_data_hdr));
2228
2229         data_hdr = (struct wmi_data_hdr *) skb->data;
2230         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2231         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2232
2233         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2234
2235         return ret;
2236 }
2237
2238 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2239 {
2240         struct sk_buff *skb;
2241         struct wmi_sync_cmd *cmd;
2242         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2243         enum htc_endpoint_id ep_id;
2244         u8 index, num_pri_streams = 0;
2245         int ret = 0;
2246
2247         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2248
2249         spin_lock_bh(&wmi->lock);
2250
2251         for (index = 0; index < WMM_NUM_AC; index++) {
2252                 if (wmi->fat_pipe_exist & (1 << index)) {
2253                         num_pri_streams++;
2254                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2255                             index;
2256                 }
2257         }
2258
2259         spin_unlock_bh(&wmi->lock);
2260
2261         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2262         if (!skb) {
2263                 ret = -ENOMEM;
2264                 goto free_skb;
2265         }
2266
2267         cmd = (struct wmi_sync_cmd *) skb->data;
2268
2269         /*
2270          * In the SYNC cmd sent on the control Ep, send a bitmap
2271          * of the data eps on which the Data Sync will be sent
2272          */
2273         cmd->data_sync_map = wmi->fat_pipe_exist;
2274
2275         for (index = 0; index < num_pri_streams; index++) {
2276                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2277                 if (data_sync_bufs[index].skb == NULL) {
2278                         ret = -ENOMEM;
2279                         break;
2280                 }
2281         }
2282
2283         /*
2284          * If buffer allocation for any of the dataSync fails,
2285          * then do not send the Synchronize cmd on the control ep
2286          */
2287         if (ret)
2288                 goto free_skb;
2289
2290         /*
2291          * Send sync cmd followed by sync data messages on all
2292          * endpoints being used
2293          */
2294         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2295                                   NO_SYNC_WMIFLAG);
2296
2297         if (ret)
2298                 goto free_skb;
2299
2300         /* cmd buffer sent, we no longer own it */
2301         skb = NULL;
2302
2303         for (index = 0; index < num_pri_streams; index++) {
2304
2305                 if (WARN_ON(!data_sync_bufs[index].skb))
2306                         break;
2307
2308                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2309                                                data_sync_bufs[index].
2310                                                traffic_class);
2311                 ret =
2312                     ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2313                                               ep_id, if_idx);
2314
2315                 if (ret)
2316                         break;
2317
2318                 data_sync_bufs[index].skb = NULL;
2319         }
2320
2321 free_skb:
2322         /* free up any resources left over (possibly due to an error) */
2323         if (skb)
2324                 dev_kfree_skb(skb);
2325
2326         for (index = 0; index < num_pri_streams; index++) {
2327                 if (data_sync_bufs[index].skb != NULL) {
2328                         dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].
2329                                       skb);
2330                 }
2331         }
2332
2333         return ret;
2334 }
2335
2336 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2337                                   struct wmi_create_pstream_cmd *params)
2338 {
2339         struct sk_buff *skb;
2340         struct wmi_create_pstream_cmd *cmd;
2341         u8 fatpipe_exist_for_ac = 0;
2342         s32 min_phy = 0;
2343         s32 nominal_phy = 0;
2344         int ret;
2345
2346         if (!((params->user_pri < 8) &&
2347               (params->user_pri <= 0x7) &&
2348               (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2349               (params->traffic_direc == UPLINK_TRAFFIC ||
2350                params->traffic_direc == DNLINK_TRAFFIC ||
2351                params->traffic_direc == BIDIR_TRAFFIC) &&
2352               (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2353                params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2354               (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2355                params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2356                params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2357               (params->tsid == WMI_IMPLICIT_PSTREAM ||
2358                params->tsid <= WMI_MAX_THINSTREAM))) {
2359                 return -EINVAL;
2360         }
2361
2362         /*
2363          * Check nominal PHY rate is >= minimalPHY,
2364          * so that DUT can allow TSRS IE
2365          */
2366
2367         /* Get the physical rate (units of bps) */
2368         min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2369
2370         /* Check minimal phy < nominal phy rate */
2371         if (params->nominal_phy >= min_phy) {
2372                 /* unit of 500 kbps */
2373                 nominal_phy = (params->nominal_phy * 1000) / 500;
2374                 ath6kl_dbg(ATH6KL_DBG_WMI,
2375                            "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2376                            min_phy, nominal_phy);
2377
2378                 params->nominal_phy = nominal_phy;
2379         } else {
2380                 params->nominal_phy = 0;
2381         }
2382
2383         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2384         if (!skb)
2385                 return -ENOMEM;
2386
2387         ath6kl_dbg(ATH6KL_DBG_WMI,
2388                    "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2389                    params->traffic_class, params->tsid);
2390
2391         cmd = (struct wmi_create_pstream_cmd *) skb->data;
2392         memcpy(cmd, params, sizeof(*cmd));
2393
2394         /* This is an implicitly created Fat pipe */
2395         if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2396                 spin_lock_bh(&wmi->lock);
2397                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2398                                         (1 << params->traffic_class));
2399                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2400                 spin_unlock_bh(&wmi->lock);
2401         } else {
2402                 /* explicitly created thin stream within a fat pipe */
2403                 spin_lock_bh(&wmi->lock);
2404                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2405                                         (1 << params->traffic_class));
2406                 wmi->stream_exist_for_ac[params->traffic_class] |=
2407                     (1 << params->tsid);
2408                 /*
2409                  * If a thinstream becomes active, the fat pipe automatically
2410                  * becomes active
2411                  */
2412                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2413                 spin_unlock_bh(&wmi->lock);
2414         }
2415
2416         /*
2417          * Indicate activty change to driver layer only if this is the
2418          * first TSID to get created in this AC explicitly or an implicit
2419          * fat pipe is getting created.
2420          */
2421         if (!fatpipe_exist_for_ac)
2422                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2423                                             params->traffic_class, true);
2424
2425         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2426                                   NO_SYNC_WMIFLAG);
2427         return ret;
2428 }
2429
2430 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2431                                   u8 tsid)
2432 {
2433         struct sk_buff *skb;
2434         struct wmi_delete_pstream_cmd *cmd;
2435         u16 active_tsids = 0;
2436         int ret;
2437
2438         if (traffic_class > 3) {
2439                 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2440                 return -EINVAL;
2441         }
2442
2443         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2444         if (!skb)
2445                 return -ENOMEM;
2446
2447         cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2448         cmd->traffic_class = traffic_class;
2449         cmd->tsid = tsid;
2450
2451         spin_lock_bh(&wmi->lock);
2452         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2453         spin_unlock_bh(&wmi->lock);
2454
2455         if (!(active_tsids & (1 << tsid))) {
2456                 dev_kfree_skb(skb);
2457                 ath6kl_dbg(ATH6KL_DBG_WMI,
2458                            "TSID %d doesn't exist for traffic class: %d\n",
2459                            tsid, traffic_class);
2460                 return -ENODATA;
2461         }
2462
2463         ath6kl_dbg(ATH6KL_DBG_WMI,
2464                    "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2465                    traffic_class, tsid);
2466
2467         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2468                                   SYNC_BEFORE_WMIFLAG);
2469
2470         spin_lock_bh(&wmi->lock);
2471         wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2472         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2473         spin_unlock_bh(&wmi->lock);
2474
2475         /*
2476          * Indicate stream inactivity to driver layer only if all tsids
2477          * within this AC are deleted.
2478          */
2479         if (!active_tsids) {
2480                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2481                                             traffic_class, false);
2482                 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2483         }
2484
2485         return ret;
2486 }
2487
2488 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2489                           __be32 ips0, __be32 ips1)
2490 {
2491         struct sk_buff *skb;
2492         struct wmi_set_ip_cmd *cmd;
2493         int ret;
2494
2495         /* Multicast address are not valid */
2496         if (ipv4_is_multicast(ips0) ||
2497             ipv4_is_multicast(ips1))
2498                 return -EINVAL;
2499
2500         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2501         if (!skb)
2502                 return -ENOMEM;
2503
2504         cmd = (struct wmi_set_ip_cmd *) skb->data;
2505         cmd->ips[0] = ips0;
2506         cmd->ips[1] = ips1;
2507
2508         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2509                                   NO_SYNC_WMIFLAG);
2510         return ret;
2511 }
2512
2513 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2514 {
2515         u16 active_tsids;
2516         u8 stream_exist;
2517         int i;
2518
2519         /*
2520          * Relinquish credits from all implicitly created pstreams
2521          * since when we go to sleep. If user created explicit
2522          * thinstreams exists with in a fatpipe leave them intact
2523          * for the user to delete.
2524          */
2525         spin_lock_bh(&wmi->lock);
2526         stream_exist = wmi->fat_pipe_exist;
2527         spin_unlock_bh(&wmi->lock);
2528
2529         for (i = 0; i < WMM_NUM_AC; i++) {
2530                 if (stream_exist & (1 << i)) {
2531
2532                         /*
2533                          * FIXME: Is this lock & unlock inside
2534                          * for loop correct? may need rework.
2535                          */
2536                         spin_lock_bh(&wmi->lock);
2537                         active_tsids = wmi->stream_exist_for_ac[i];
2538                         spin_unlock_bh(&wmi->lock);
2539
2540                         /*
2541                          * If there are no user created thin streams
2542                          * delete the fatpipe
2543                          */
2544                         if (!active_tsids) {
2545                                 stream_exist &= ~(1 << i);
2546                                 /*
2547                                  * Indicate inactivity to driver layer for
2548                                  * this fatpipe (pstream)
2549                                  */
2550                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2551                                                             i, false);
2552                         }
2553                 }
2554         }
2555
2556         /* FIXME: Can we do this assignment without locking ? */
2557         spin_lock_bh(&wmi->lock);
2558         wmi->fat_pipe_exist = stream_exist;
2559         spin_unlock_bh(&wmi->lock);
2560 }
2561
2562 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2563                                        enum ath6kl_host_mode host_mode)
2564 {
2565         struct sk_buff *skb;
2566         struct wmi_set_host_sleep_mode_cmd *cmd;
2567         int ret;
2568
2569         if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2570             (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2571                 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2572                 return -EINVAL;
2573         }
2574
2575         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2576         if (!skb)
2577                 return -ENOMEM;
2578
2579         cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2580
2581         if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2582                 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2583                 cmd->asleep = cpu_to_le32(1);
2584         } else
2585                 cmd->awake = cpu_to_le32(1);
2586
2587         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2588                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2589                                   NO_SYNC_WMIFLAG);
2590         return ret;
2591 }
2592
2593 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2594                                 enum ath6kl_wow_mode wow_mode,
2595                                 u32 filter, u16 host_req_delay)
2596 {
2597         struct sk_buff *skb;
2598         struct wmi_set_wow_mode_cmd *cmd;
2599         int ret;
2600
2601         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2602              wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2603                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2604                 return -EINVAL;
2605         }
2606
2607         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2608         if (!skb)
2609                 return -ENOMEM;
2610
2611         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2612         cmd->enable_wow = cpu_to_le32(wow_mode);
2613         cmd->filter = cpu_to_le32(filter);
2614         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2615
2616         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2617                                   NO_SYNC_WMIFLAG);
2618         return ret;
2619 }
2620
2621 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2622                                    u8 list_id, u8 filter_size,
2623                                    u8 filter_offset, u8 *filter, u8 *mask)
2624 {
2625         struct sk_buff *skb;
2626         struct wmi_add_wow_pattern_cmd *cmd;
2627         u16 size;
2628         u8 *filter_mask;
2629         int ret;
2630
2631         /*
2632          * Allocate additional memory in the buffer to hold
2633          * filter and mask value, which is twice of filter_size.
2634          */
2635         size = sizeof(*cmd) + (2 * filter_size);
2636
2637         skb = ath6kl_wmi_get_new_buf(size);
2638         if (!skb)
2639                 return -ENOMEM;
2640
2641         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2642         cmd->filter_list_id = list_id;
2643         cmd->filter_size = filter_size;
2644         cmd->filter_offset = filter_offset;
2645
2646         memcpy(cmd->filter, filter, filter_size);
2647
2648         filter_mask = (u8 *) (cmd->filter + filter_size);
2649         memcpy(filter_mask, mask, filter_size);
2650
2651         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2652                                   NO_SYNC_WMIFLAG);
2653
2654         return ret;
2655 }
2656
2657 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2658                                    u16 list_id, u16 filter_id)
2659 {
2660         struct sk_buff *skb;
2661         struct wmi_del_wow_pattern_cmd *cmd;
2662         int ret;
2663
2664         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2665         if (!skb)
2666                 return -ENOMEM;
2667
2668         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2669         cmd->filter_list_id = cpu_to_le16(list_id);
2670         cmd->filter_id = cpu_to_le16(filter_id);
2671
2672         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2673                                   NO_SYNC_WMIFLAG);
2674         return ret;
2675 }
2676
2677 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2678                                     enum wmix_command_id cmd_id,
2679                                     enum wmi_sync_flag sync_flag)
2680 {
2681         struct wmix_cmd_hdr *cmd_hdr;
2682         int ret;
2683
2684         skb_push(skb, sizeof(struct wmix_cmd_hdr));
2685
2686         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2687         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2688
2689         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
2690
2691         return ret;
2692 }
2693
2694 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2695 {
2696         struct sk_buff *skb;
2697         struct wmix_hb_challenge_resp_cmd *cmd;
2698         int ret;
2699
2700         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2701         if (!skb)
2702                 return -ENOMEM;
2703
2704         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
2705         cmd->cookie = cpu_to_le32(cookie);
2706         cmd->source = cpu_to_le32(source);
2707
2708         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
2709                                        NO_SYNC_WMIFLAG);
2710         return ret;
2711 }
2712
2713 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
2714 {
2715         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
2716         struct sk_buff *skb;
2717         int ret;
2718
2719         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2720         if (!skb)
2721                 return -ENOMEM;
2722
2723         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
2724         cmd->valid = cpu_to_le32(valid);
2725         cmd->config = cpu_to_le32(config);
2726
2727         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
2728                                        NO_SYNC_WMIFLAG);
2729         return ret;
2730 }
2731
2732 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
2733 {
2734         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
2735 }
2736
2737 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
2738 {
2739         struct sk_buff *skb;
2740         struct wmi_set_tx_pwr_cmd *cmd;
2741         int ret;
2742
2743         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
2744         if (!skb)
2745                 return -ENOMEM;
2746
2747         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
2748         cmd->dbM = dbM;
2749
2750         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
2751                                   NO_SYNC_WMIFLAG);
2752
2753         return ret;
2754 }
2755
2756 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
2757 {
2758         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
2759 }
2760
2761 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
2762 {
2763         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
2764 }
2765
2766 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
2767                                  u8 preamble_policy)
2768 {
2769         struct sk_buff *skb;
2770         struct wmi_set_lpreamble_cmd *cmd;
2771         int ret;
2772
2773         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
2774         if (!skb)
2775                 return -ENOMEM;
2776
2777         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
2778         cmd->status = status;
2779         cmd->preamble_policy = preamble_policy;
2780
2781         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
2782                                   NO_SYNC_WMIFLAG);
2783         return ret;
2784 }
2785
2786 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
2787 {
2788         struct sk_buff *skb;
2789         struct wmi_set_rts_cmd *cmd;
2790         int ret;
2791
2792         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
2793         if (!skb)
2794                 return -ENOMEM;
2795
2796         cmd = (struct wmi_set_rts_cmd *) skb->data;
2797         cmd->threshold = cpu_to_le16(threshold);
2798
2799         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
2800                                   NO_SYNC_WMIFLAG);
2801         return ret;
2802 }
2803
2804 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
2805 {
2806         struct sk_buff *skb;
2807         struct wmi_set_wmm_txop_cmd *cmd;
2808         int ret;
2809
2810         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
2811                 return -EINVAL;
2812
2813         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
2814         if (!skb)
2815                 return -ENOMEM;
2816
2817         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
2818         cmd->txop_enable = cfg;
2819
2820         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
2821                                   NO_SYNC_WMIFLAG);
2822         return ret;
2823 }
2824
2825 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
2826                                  u8 keep_alive_intvl)
2827 {
2828         struct sk_buff *skb;
2829         struct wmi_set_keepalive_cmd *cmd;
2830         int ret;
2831
2832         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2833         if (!skb)
2834                 return -ENOMEM;
2835
2836         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
2837         cmd->keep_alive_intvl = keep_alive_intvl;
2838
2839         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
2840                                   NO_SYNC_WMIFLAG);
2841
2842         if (ret == 0)
2843                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
2844
2845         return ret;
2846 }
2847
2848 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
2849 {
2850         struct sk_buff *skb;
2851         int ret;
2852
2853         skb = ath6kl_wmi_get_new_buf(len);
2854         if (!skb)
2855                 return -ENOMEM;
2856
2857         memcpy(skb->data, buf, len);
2858
2859         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
2860
2861         return ret;
2862 }
2863
2864 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
2865 {
2866         struct sk_buff *skb;
2867         struct wmi_mcast_filter_cmd *cmd;
2868         int ret;
2869
2870         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2871         if (!skb)
2872                 return -ENOMEM;
2873
2874         cmd = (struct wmi_mcast_filter_cmd *) skb->data;
2875         cmd->mcast_all_enable = mc_all_on;
2876
2877         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
2878                                   NO_SYNC_WMIFLAG);
2879         return ret;
2880 }
2881
2882 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
2883                                         u8 *filter, bool add_filter)
2884 {
2885         struct sk_buff *skb;
2886         struct wmi_mcast_filter_add_del_cmd *cmd;
2887         int ret;
2888
2889         if ((filter[0] != 0x33 || filter[1] != 0x33) &&
2890             (filter[0] != 0x01 || filter[1] != 0x00 ||
2891             filter[2] != 0x5e || filter[3] > 0x7f)) {
2892                 ath6kl_warn("invalid multicast filter address\n");
2893                 return -EINVAL;
2894         }
2895
2896         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2897         if (!skb)
2898                 return -ENOMEM;
2899
2900         cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
2901         memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
2902         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2903                                   add_filter ? WMI_SET_MCAST_FILTER_CMDID :
2904                                   WMI_DEL_MCAST_FILTER_CMDID,
2905                                   NO_SYNC_WMIFLAG);
2906
2907         return ret;
2908 }
2909
2910 s32 ath6kl_wmi_get_rate(s8 rate_index)
2911 {
2912         if (rate_index == RATE_AUTO)
2913                 return 0;
2914
2915         return wmi_rate_tbl[(u32) rate_index][0];
2916 }
2917
2918 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
2919                                               u32 len)
2920 {
2921         struct wmi_pmkid_list_reply *reply;
2922         u32 expected_len;
2923
2924         if (len < sizeof(struct wmi_pmkid_list_reply))
2925                 return -EINVAL;
2926
2927         reply = (struct wmi_pmkid_list_reply *)datap;
2928         expected_len = sizeof(reply->num_pmkid) +
2929                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
2930
2931         if (len < expected_len)
2932                 return -EINVAL;
2933
2934         return 0;
2935 }
2936
2937 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2938                                          struct ath6kl_vif *vif)
2939 {
2940         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
2941
2942         aggr_recv_addba_req_evt(vif, cmd->tid,
2943                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
2944
2945         return 0;
2946 }
2947
2948 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2949                                          struct ath6kl_vif *vif)
2950 {
2951         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
2952
2953         aggr_recv_delba_req_evt(vif, cmd->tid);
2954
2955         return 0;
2956 }
2957
2958 /*  AP mode functions */
2959
2960 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
2961                                  struct wmi_connect_cmd *p)
2962 {
2963         struct sk_buff *skb;
2964         struct wmi_connect_cmd *cm;
2965         int res;
2966
2967         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
2968         if (!skb)
2969                 return -ENOMEM;
2970
2971         cm = (struct wmi_connect_cmd *) skb->data;
2972         memcpy(cm, p, sizeof(*cm));
2973
2974         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
2975                                   NO_SYNC_WMIFLAG);
2976         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: nw_type=%u auth_mode=%u ch=%u "
2977                    "ctrl_flags=0x%x-> res=%d\n",
2978                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
2979                    le32_to_cpu(p->ctrl_flags), res);
2980         return res;
2981 }
2982
2983 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
2984                            u16 reason)
2985 {
2986         struct sk_buff *skb;
2987         struct wmi_ap_set_mlme_cmd *cm;
2988
2989         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
2990         if (!skb)
2991                 return -ENOMEM;
2992
2993         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
2994         memcpy(cm->mac, mac, ETH_ALEN);
2995         cm->reason = cpu_to_le16(reason);
2996         cm->cmd = cmd;
2997
2998         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
2999                                    NO_SYNC_WMIFLAG);
3000 }
3001
3002 /* This command will be used to enable/disable AP uAPSD feature */
3003 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3004 {
3005         struct wmi_ap_set_apsd_cmd *cmd;
3006         struct sk_buff *skb;
3007
3008         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3009         if (!skb)
3010                 return -ENOMEM;
3011
3012         cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3013         cmd->enable = enable;
3014
3015         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3016                                    NO_SYNC_WMIFLAG);
3017 }
3018
3019 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3020                                              u16 aid, u16 bitmap, u32 flags)
3021 {
3022         struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3023         struct sk_buff *skb;
3024
3025         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3026         if (!skb)
3027                 return -ENOMEM;
3028
3029         cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3030         cmd->aid = cpu_to_le16(aid);
3031         cmd->bitmap = cpu_to_le16(bitmap);
3032         cmd->flags = cpu_to_le32(flags);
3033
3034         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3035                                    WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3036                                    NO_SYNC_WMIFLAG);
3037 }
3038
3039 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3040                                       struct ath6kl_vif *vif)
3041 {
3042         struct wmi_pspoll_event *ev;
3043
3044         if (len < sizeof(struct wmi_pspoll_event))
3045                 return -EINVAL;
3046
3047         ev = (struct wmi_pspoll_event *) datap;
3048
3049         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3050
3051         return 0;
3052 }
3053
3054 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3055                                           struct ath6kl_vif *vif)
3056 {
3057         ath6kl_dtimexpiry_event(vif);
3058
3059         return 0;
3060 }
3061
3062 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3063                            bool flag)
3064 {
3065         struct sk_buff *skb;
3066         struct wmi_ap_set_pvb_cmd *cmd;
3067         int ret;
3068
3069         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3070         if (!skb)
3071                 return -ENOMEM;
3072
3073         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3074         cmd->aid = cpu_to_le16(aid);
3075         cmd->rsvd = cpu_to_le16(0);
3076         cmd->flag = cpu_to_le32(flag);
3077
3078         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3079                                   NO_SYNC_WMIFLAG);
3080
3081         return 0;
3082 }
3083
3084 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3085                                        u8 rx_meta_ver,
3086                                        bool rx_dot11_hdr, bool defrag_on_host)
3087 {
3088         struct sk_buff *skb;
3089         struct wmi_rx_frame_format_cmd *cmd;
3090         int ret;
3091
3092         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3093         if (!skb)
3094                 return -ENOMEM;
3095
3096         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3097         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3098         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3099         cmd->meta_ver = rx_meta_ver;
3100
3101         /* Delete the local aggr state, on host */
3102         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3103                                   NO_SYNC_WMIFLAG);
3104
3105         return ret;
3106 }
3107
3108 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3109                              const u8 *ie, u8 ie_len)
3110 {
3111         struct sk_buff *skb;
3112         struct wmi_set_appie_cmd *p;
3113
3114         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3115         if (!skb)
3116                 return -ENOMEM;
3117
3118         ath6kl_dbg(ATH6KL_DBG_WMI, "set_appie_cmd: mgmt_frm_type=%u "
3119                    "ie_len=%u\n", mgmt_frm_type, ie_len);
3120         p = (struct wmi_set_appie_cmd *) skb->data;
3121         p->mgmt_frm_type = mgmt_frm_type;
3122         p->ie_len = ie_len;
3123
3124         if (ie != NULL && ie_len > 0)
3125                 memcpy(p->ie_info, ie, ie_len);
3126
3127         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3128                                    NO_SYNC_WMIFLAG);
3129 }
3130
3131 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3132 {
3133         struct sk_buff *skb;
3134         struct wmi_disable_11b_rates_cmd *cmd;
3135
3136         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3137         if (!skb)
3138                 return -ENOMEM;
3139
3140         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3141                    disable);
3142         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3143         cmd->disable = disable ? 1 : 0;
3144
3145         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3146                                    NO_SYNC_WMIFLAG);
3147 }
3148
3149 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3150 {
3151         struct sk_buff *skb;
3152         struct wmi_remain_on_chnl_cmd *p;
3153
3154         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3155         if (!skb)
3156                 return -ENOMEM;
3157
3158         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3159                    freq, dur);
3160         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3161         p->freq = cpu_to_le32(freq);
3162         p->duration = cpu_to_le32(dur);
3163         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3164                                    NO_SYNC_WMIFLAG);
3165 }
3166
3167 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3168  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3169  * mgmt operations using station interface.
3170  */
3171 int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3172                                u32 wait, const u8 *data, u16 data_len)
3173 {
3174         struct sk_buff *skb;
3175         struct wmi_send_action_cmd *p;
3176         u8 *buf;
3177
3178         if (wait)
3179                 return -EINVAL; /* Offload for wait not supported */
3180
3181         buf = kmalloc(data_len, GFP_KERNEL);
3182         if (!buf)
3183                 return -ENOMEM;
3184
3185         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3186         if (!skb) {
3187                 kfree(buf);
3188                 return -ENOMEM;
3189         }
3190
3191         kfree(wmi->last_mgmt_tx_frame);
3192         memcpy(buf, data, data_len);
3193         wmi->last_mgmt_tx_frame = buf;
3194         wmi->last_mgmt_tx_frame_len = data_len;
3195
3196         ath6kl_dbg(ATH6KL_DBG_WMI, "send_action_cmd: id=%u freq=%u wait=%u "
3197                    "len=%u\n", id, freq, wait, data_len);
3198         p = (struct wmi_send_action_cmd *) skb->data;
3199         p->id = cpu_to_le32(id);
3200         p->freq = cpu_to_le32(freq);
3201         p->wait = cpu_to_le32(wait);
3202         p->len = cpu_to_le16(data_len);
3203         memcpy(p->data, data, data_len);
3204         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3205                                    NO_SYNC_WMIFLAG);
3206 }
3207
3208 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3209                                u32 wait, const u8 *data, u16 data_len,
3210                                u32 no_cck)
3211 {
3212         struct sk_buff *skb;
3213         struct wmi_send_mgmt_cmd *p;
3214         u8 *buf;
3215
3216         if (wait)
3217                 return -EINVAL; /* Offload for wait not supported */
3218
3219         buf = kmalloc(data_len, GFP_KERNEL);
3220         if (!buf)
3221                 return -ENOMEM;
3222
3223         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3224         if (!skb) {
3225                 kfree(buf);
3226                 return -ENOMEM;
3227         }
3228
3229         kfree(wmi->last_mgmt_tx_frame);
3230         memcpy(buf, data, data_len);
3231         wmi->last_mgmt_tx_frame = buf;
3232         wmi->last_mgmt_tx_frame_len = data_len;
3233
3234         ath6kl_dbg(ATH6KL_DBG_WMI, "send_action_cmd: id=%u freq=%u wait=%u "
3235                    "len=%u\n", id, freq, wait, data_len);
3236         p = (struct wmi_send_mgmt_cmd *) skb->data;
3237         p->id = cpu_to_le32(id);
3238         p->freq = cpu_to_le32(freq);
3239         p->wait = cpu_to_le32(wait);
3240         p->no_cck = cpu_to_le32(no_cck);
3241         p->len = cpu_to_le16(data_len);
3242         memcpy(p->data, data, data_len);
3243         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3244                                    NO_SYNC_WMIFLAG);
3245 }
3246
3247 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3248                                        const u8 *dst, const u8 *data,
3249                                        u16 data_len)
3250 {
3251         struct sk_buff *skb;
3252         struct wmi_p2p_probe_response_cmd *p;
3253         size_t cmd_len = sizeof(*p) + data_len;
3254
3255         if (data_len == 0)
3256                 cmd_len++; /* work around target minimum length requirement */
3257
3258         skb = ath6kl_wmi_get_new_buf(cmd_len);
3259         if (!skb)
3260                 return -ENOMEM;
3261
3262         ath6kl_dbg(ATH6KL_DBG_WMI, "send_probe_response_cmd: freq=%u dst=%pM "
3263                    "len=%u\n", freq, dst, data_len);
3264         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3265         p->freq = cpu_to_le32(freq);
3266         memcpy(p->destination_addr, dst, ETH_ALEN);
3267         p->len = cpu_to_le16(data_len);
3268         memcpy(p->data, data, data_len);
3269         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3270                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3271                                    NO_SYNC_WMIFLAG);
3272 }
3273
3274 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3275 {
3276         struct sk_buff *skb;
3277         struct wmi_probe_req_report_cmd *p;
3278
3279         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3280         if (!skb)
3281                 return -ENOMEM;
3282
3283         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3284                    enable);
3285         p = (struct wmi_probe_req_report_cmd *) skb->data;
3286         p->enable = enable ? 1 : 0;
3287         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3288                                    NO_SYNC_WMIFLAG);
3289 }
3290
3291 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3292 {
3293         struct sk_buff *skb;
3294         struct wmi_get_p2p_info *p;
3295
3296         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3297         if (!skb)
3298                 return -ENOMEM;
3299
3300         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3301                    info_req_flags);
3302         p = (struct wmi_get_p2p_info *) skb->data;
3303         p->info_req_flags = cpu_to_le32(info_req_flags);
3304         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3305                                    NO_SYNC_WMIFLAG);
3306 }
3307
3308 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3309 {
3310         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3311         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3312                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3313 }
3314
3315 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3316 {
3317         struct wmix_cmd_hdr *cmd;
3318         u32 len;
3319         u16 id;
3320         u8 *datap;
3321         int ret = 0;
3322
3323         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3324                 ath6kl_err("bad packet 1\n");
3325                 return -EINVAL;
3326         }
3327
3328         cmd = (struct wmix_cmd_hdr *) skb->data;
3329         id = le32_to_cpu(cmd->cmd_id);
3330
3331         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3332
3333         datap = skb->data;
3334         len = skb->len;
3335
3336         switch (id) {
3337         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3338                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3339                 break;
3340         case WMIX_DBGLOG_EVENTID:
3341                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3342                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3343                 break;
3344         default:
3345                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3346                 ret = -EINVAL;
3347                 break;
3348         }
3349
3350         return ret;
3351 }
3352
3353 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3354 {
3355         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3356 }
3357
3358 /* Control Path */
3359 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
3360 {
3361         struct wmi_cmd_hdr *cmd;
3362         struct ath6kl_vif *vif;
3363         u32 len;
3364         u16 id;
3365         u8 if_idx;
3366         u8 *datap;
3367         int ret = 0;
3368
3369         if (WARN_ON(skb == NULL))
3370                 return -EINVAL;
3371
3372         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
3373                 ath6kl_err("bad packet 1\n");
3374                 dev_kfree_skb(skb);
3375                 return -EINVAL;
3376         }
3377
3378         cmd = (struct wmi_cmd_hdr *) skb->data;
3379         id = le16_to_cpu(cmd->cmd_id);
3380         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3381
3382         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3383
3384         datap = skb->data;
3385         len = skb->len;
3386
3387         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3388         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3389                         datap, len);
3390
3391         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3392         if (!vif) {
3393                 ath6kl_dbg(ATH6KL_DBG_WMI,
3394                            "Wmi event for unavailable vif, vif_index:%d\n",
3395                             if_idx);
3396                 dev_kfree_skb(skb);
3397                 return -EINVAL;
3398         }
3399
3400         switch (id) {
3401         case WMI_GET_BITRATE_CMDID:
3402                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3403                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3404                 break;
3405         case WMI_GET_CHANNEL_LIST_CMDID:
3406                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3407                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3408                 break;
3409         case WMI_GET_TX_PWR_CMDID:
3410                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3411                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3412                 break;
3413         case WMI_READY_EVENTID:
3414                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3415                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3416                 break;
3417         case WMI_CONNECT_EVENTID:
3418                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3419                 ret = ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3420                 break;
3421         case WMI_DISCONNECT_EVENTID:
3422                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3423                 ret = ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3424                 break;
3425         case WMI_PEER_NODE_EVENTID:
3426                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3427                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
3428                 break;
3429         case WMI_TKIP_MICERR_EVENTID:
3430                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3431                 ret = ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3432                 break;
3433         case WMI_BSSINFO_EVENTID:
3434                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3435                 ret = ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3436                 break;
3437         case WMI_REGDOMAIN_EVENTID:
3438                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
3439                 ath6kl_wmi_regdomain_event(wmi, datap, len);
3440                 break;
3441         case WMI_PSTREAM_TIMEOUT_EVENTID:
3442                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
3443                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
3444                 break;
3445         case WMI_NEIGHBOR_REPORT_EVENTID:
3446                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3447                 ret = ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3448                                                           vif);
3449                 break;
3450         case WMI_SCAN_COMPLETE_EVENTID:
3451                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3452                 ret = ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3453                 break;
3454         case WMI_CMDERROR_EVENTID:
3455                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
3456                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
3457                 break;
3458         case WMI_REPORT_STATISTICS_EVENTID:
3459                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3460                 ret = ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3461                 break;
3462         case WMI_RSSI_THRESHOLD_EVENTID:
3463                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
3464                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
3465                 break;
3466         case WMI_ERROR_REPORT_EVENTID:
3467                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
3468                 break;
3469         case WMI_OPT_RX_FRAME_EVENTID:
3470                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
3471                 /* this event has been deprecated */
3472                 break;
3473         case WMI_REPORT_ROAM_TBL_EVENTID:
3474                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
3475                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
3476                 break;
3477         case WMI_EXTENSION_EVENTID:
3478                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
3479                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
3480                 break;
3481         case WMI_CAC_EVENTID:
3482                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3483                 ret = ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3484                 break;
3485         case WMI_CHANNEL_CHANGE_EVENTID:
3486                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
3487                 break;
3488         case WMI_REPORT_ROAM_DATA_EVENTID:
3489                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
3490                 break;
3491         case WMI_TEST_EVENTID:
3492                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
3493                 ret = ath6kl_wmi_test_rx(wmi, datap, len);
3494                 break;
3495         case WMI_GET_FIXRATES_CMDID:
3496                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
3497                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
3498                 break;
3499         case WMI_TX_RETRY_ERR_EVENTID:
3500                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
3501                 break;
3502         case WMI_SNR_THRESHOLD_EVENTID:
3503                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
3504                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
3505                 break;
3506         case WMI_LQ_THRESHOLD_EVENTID:
3507                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
3508                 break;
3509         case WMI_APLIST_EVENTID:
3510                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
3511                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
3512                 break;
3513         case WMI_GET_KEEPALIVE_CMDID:
3514                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
3515                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
3516                 break;
3517         case WMI_GET_WOW_LIST_EVENTID:
3518                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
3519                 break;
3520         case WMI_GET_PMKID_LIST_EVENTID:
3521                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
3522                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
3523                 break;
3524         case WMI_PSPOLL_EVENTID:
3525                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3526                 ret = ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3527                 break;
3528         case WMI_DTIMEXPIRY_EVENTID:
3529                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3530                 ret = ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3531                 break;
3532         case WMI_SET_PARAMS_REPLY_EVENTID:
3533                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
3534                 break;
3535         case WMI_ADDBA_REQ_EVENTID:
3536                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3537                 ret = ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3538                 break;
3539         case WMI_ADDBA_RESP_EVENTID:
3540                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
3541                 break;
3542         case WMI_DELBA_REQ_EVENTID:
3543                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3544                 ret = ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3545                 break;
3546         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
3547                 ath6kl_dbg(ATH6KL_DBG_WMI,
3548                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
3549                 break;
3550         case WMI_REPORT_BTCOEX_STATS_EVENTID:
3551                 ath6kl_dbg(ATH6KL_DBG_WMI,
3552                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
3553                 break;
3554         case WMI_TX_COMPLETE_EVENTID:
3555                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
3556                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
3557                 break;
3558         case WMI_REMAIN_ON_CHNL_EVENTID:
3559                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3560                 ret = ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3561                 break;
3562         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3563                 ath6kl_dbg(ATH6KL_DBG_WMI,
3564                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3565                 ret = ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3566                                                                 len, vif);
3567                 break;
3568         case WMI_TX_STATUS_EVENTID:
3569                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3570                 ret = ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3571                 break;
3572         case WMI_RX_PROBE_REQ_EVENTID:
3573                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3574                 ret = ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3575                 break;
3576         case WMI_P2P_CAPABILITIES_EVENTID:
3577                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
3578                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
3579                 break;
3580         case WMI_RX_ACTION_EVENTID:
3581                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3582                 ret = ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3583                 break;
3584         case WMI_P2P_INFO_EVENTID:
3585                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
3586                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
3587                 break;
3588         default:
3589                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", id);
3590                 ret = -EINVAL;
3591                 break;
3592         }
3593
3594         dev_kfree_skb(skb);
3595
3596         return ret;
3597 }
3598
3599 void ath6kl_wmi_reset(struct wmi *wmi)
3600 {
3601         spin_lock_bh(&wmi->lock);
3602
3603         wmi->fat_pipe_exist = 0;
3604         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
3605
3606         spin_unlock_bh(&wmi->lock);
3607 }
3608
3609 void *ath6kl_wmi_init(struct ath6kl *dev)
3610 {
3611         struct wmi *wmi;
3612
3613         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
3614         if (!wmi)
3615                 return NULL;
3616
3617         spin_lock_init(&wmi->lock);
3618
3619         wmi->parent_dev = dev;
3620
3621         wmi->pwr_mode = REC_POWER;
3622
3623         ath6kl_wmi_reset(wmi);
3624
3625         return wmi;
3626 }
3627
3628 void ath6kl_wmi_shutdown(struct wmi *wmi)
3629 {
3630         if (!wmi)
3631                 return;
3632
3633         kfree(wmi->last_mgmt_tx_frame);
3634         kfree(wmi);
3635 }