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         if (!AR_DBG_LVL_CHECK(ATH6KL_DBG_WMI))
 430                 return 0;
 431
 432         for (index = 0; index < evt->num_msg; index++) {
 433                 size = sizeof(struct wmi_tx_complete_event) +
 434                     (index * sizeof(struct tx_complete_msg_v1));
 435                 msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
 436
 437                 ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
 438                            msg_v1->status, msg_v1->pkt_id,
 439                            msg_v1->rate_idx, msg_v1->ack_failures);
 440         }
 441
 442         return 0;
 443 }
 444
 445 static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
 446                                               int len, struct ath6kl_vif *vif)
 447 {
 448         struct wmi_remain_on_chnl_event *ev;
 449         u32 freq;
 450         u32 dur;
 451         struct ieee80211_channel *chan;
 452         struct ath6kl *ar = wmi->parent_dev;
 453         u32 id;
 454
 455         if (len < sizeof(*ev))
 456                 return -EINVAL;
 457
 458         ev = (struct wmi_remain_on_chnl_event *) datap;
 459         freq = le32_to_cpu(ev->freq);
 460         dur = le32_to_cpu(ev->duration);
 461         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
 462                    freq, dur);
 463         chan = ieee80211_get_channel(ar->wiphy, freq);
 464         if (!chan) {
 465                 ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: Unknown channel "
 466                            "(freq=%u)\n", freq);
 467                 return -EINVAL;
 468         }
 469         id = vif->last_roc_id;
 470         cfg80211_ready_on_channel(vif->ndev, id, chan, NL80211_CHAN_NO_HT,
 471                                   dur, GFP_ATOMIC);
 472
 473         return 0;
 474 }
 475
 476 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
 477                                                      u8 *datap, int len,
 478                                                      struct ath6kl_vif *vif)
 479 {
 480         struct wmi_cancel_remain_on_chnl_event *ev;
 481         u32 freq;
 482         u32 dur;
 483         struct ieee80211_channel *chan;
 484         struct ath6kl *ar = wmi->parent_dev;
 485         u32 id;
 486
 487         if (len < sizeof(*ev))
 488                 return -EINVAL;
 489
 490         ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
 491         freq = le32_to_cpu(ev->freq);
 492         dur = le32_to_cpu(ev->duration);
 493         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl: freq=%u dur=%u "
 494                    "status=%u\n", freq, dur, ev->status);
 495         chan = ieee80211_get_channel(ar->wiphy, freq);
 496         if (!chan) {
 497                 ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl: Unknown "
 498                            "channel (freq=%u)\n", freq);
 499                 return -EINVAL;
 500         }
 501         if (vif->last_cancel_roc_id &&
 502             vif->last_cancel_roc_id + 1 == vif->last_roc_id)
 503                 id = vif->last_cancel_roc_id; /* event for cancel command */
 504         else
 505                 id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
 506         vif->last_cancel_roc_id = 0;
 507         cfg80211_remain_on_channel_expired(vif->ndev, id, chan,
 508                                            NL80211_CHAN_NO_HT, GFP_ATOMIC);
 509
 510         return 0;
 511 }
 512
 513 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
 514                                          struct ath6kl_vif *vif)
 515 {
 516         struct wmi_tx_status_event *ev;
 517         u32 id;
 518
 519         if (len < sizeof(*ev))
 520                 return -EINVAL;
 521
 522         ev = (struct wmi_tx_status_event *) datap;
 523         id = le32_to_cpu(ev->id);
 524         ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
 525                    id, ev->ack_status);
 526         if (wmi->last_mgmt_tx_frame) {
 527                 cfg80211_mgmt_tx_status(vif->ndev, id,
 528                                         wmi->last_mgmt_tx_frame,
 529                                         wmi->last_mgmt_tx_frame_len,
 530                                         !!ev->ack_status, GFP_ATOMIC);
 531                 kfree(wmi->last_mgmt_tx_frame);
 532                 wmi->last_mgmt_tx_frame = NULL;
 533                 wmi->last_mgmt_tx_frame_len = 0;
 534         }
 535
 536         return 0;
 537 }
 538
 539 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
 540                                             struct ath6kl_vif *vif)
 541 {
 542         struct wmi_p2p_rx_probe_req_event *ev;
 543         u32 freq;
 544         u16 dlen;
 545
 546         if (len < sizeof(*ev))
 547                 return -EINVAL;
 548
 549         ev = (struct wmi_p2p_rx_probe_req_event *) datap;
 550         freq = le32_to_cpu(ev->freq);
 551         dlen = le16_to_cpu(ev->len);
 552         if (datap + len < ev->data + dlen) {
 553                 ath6kl_err("invalid wmi_p2p_rx_probe_req_event: "
 554                            "len=%d dlen=%u\n", len, dlen);
 555                 return -EINVAL;
 556         }
 557         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_probe_req: len=%u freq=%u "
 558                    "probe_req_report=%d\n",
 559                    dlen, freq, vif->probe_req_report);
 560
 561         if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
 562                 cfg80211_rx_mgmt(vif->ndev, freq, ev->data, dlen, GFP_ATOMIC);
 563
 564         return 0;
 565 }
 566
 567 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
 568 {
 569         struct wmi_p2p_capabilities_event *ev;
 570         u16 dlen;
 571
 572         if (len < sizeof(*ev))
 573                 return -EINVAL;
 574
 575         ev = (struct wmi_p2p_capabilities_event *) datap;
 576         dlen = le16_to_cpu(ev->len);
 577         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
 578
 579         return 0;
 580 }
 581
 582 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 583                                          struct ath6kl_vif *vif)
 584 {
 585         struct wmi_rx_action_event *ev;
 586         u32 freq;
 587         u16 dlen;
 588
 589         if (len < sizeof(*ev))
 590                 return -EINVAL;
 591
 592         ev = (struct wmi_rx_action_event *) datap;
 593         freq = le32_to_cpu(ev->freq);
 594         dlen = le16_to_cpu(ev->len);
 595         if (datap + len < ev->data + dlen) {
 596                 ath6kl_err("invalid wmi_rx_action_event: "
 597                            "len=%d dlen=%u\n", len, dlen);
 598                 return -EINVAL;
 599         }
 600         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
 601         cfg80211_rx_mgmt(vif->ndev, freq, ev->data, dlen, GFP_ATOMIC);
 602
 603         return 0;
 604 }
 605
 606 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
 607 {
 608         struct wmi_p2p_info_event *ev;
 609         u32 flags;
 610         u16 dlen;
 611
 612         if (len < sizeof(*ev))
 613                 return -EINVAL;
 614
 615         ev = (struct wmi_p2p_info_event *) datap;
 616         flags = le32_to_cpu(ev->info_req_flags);
 617         dlen = le16_to_cpu(ev->len);
 618         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
 619
 620         if (flags & P2P_FLAG_CAPABILITIES_REQ) {
 621                 struct wmi_p2p_capabilities *cap;
 622                 if (dlen < sizeof(*cap))
 623                         return -EINVAL;
 624                 cap = (struct wmi_p2p_capabilities *) ev->data;
 625                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
 626                            cap->go_power_save);
 627         }
 628
 629         if (flags & P2P_FLAG_MACADDR_REQ) {
 630                 struct wmi_p2p_macaddr *mac;
 631                 if (dlen < sizeof(*mac))
 632                         return -EINVAL;
 633                 mac = (struct wmi_p2p_macaddr *) ev->data;
 634                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
 635                            mac->mac_addr);
 636         }
 637
 638         if (flags & P2P_FLAG_HMODEL_REQ) {
 639                 struct wmi_p2p_hmodel *mod;
 640                 if (dlen < sizeof(*mod))
 641                         return -EINVAL;
 642                 mod = (struct wmi_p2p_hmodel *) ev->data;
 643                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
 644                            mod->p2p_model,
 645                            mod->p2p_model ? "host" : "firmware");
 646         }
 647         return 0;
 648 }
 649
 650 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
 651 {
 652         struct sk_buff *skb;
 653
 654         skb = ath6kl_buf_alloc(size);
 655         if (!skb)
 656                 return NULL;
 657
 658         skb_put(skb, size);
 659         if (size)
 660                 memset(skb->data, 0, size);
 661
 662         return skb;
 663 }
 664
 665 /* Send a "simple" wmi command -- one with no arguments */
 666 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
 667                                  enum wmi_cmd_id cmd_id)
 668 {
 669         struct sk_buff *skb;
 670         int ret;
 671
 672         skb = ath6kl_wmi_get_new_buf(0);
 673         if (!skb)
 674                 return -ENOMEM;
 675
 676         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
 677
 678         return ret;
 679 }
 680
 681 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
 682 {
 683         struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
 684
 685         if (len < sizeof(struct wmi_ready_event_2))
 686                 return -EINVAL;
 687
 688         ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
 689                            le32_to_cpu(ev->sw_version),
 690                            le32_to_cpu(ev->abi_version));
 691
 692         return 0;
 693 }
 694
 695 /*
 696  * Mechanism to modify the roaming behavior in the firmware. The lower rssi
 697  * at which the station has to roam can be passed with
 698  * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
 699  * in dBm.
 700  */
 701 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
 702 {
 703         struct sk_buff *skb;
 704         struct roam_ctrl_cmd *cmd;
 705
 706         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 707         if (!skb)
 708                 return -ENOMEM;
 709
 710         cmd = (struct roam_ctrl_cmd *) skb->data;
 711
 712         cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
 713         cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
 714                                                        DEF_SCAN_FOR_ROAM_INTVL);
 715         cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
 716         cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
 717         cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
 718
 719         ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 720                             NO_SYNC_WMIFLAG);
 721
 722         return 0;
 723 }
 724
 725 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
 726 {
 727         struct sk_buff *skb;
 728         struct roam_ctrl_cmd *cmd;
 729
 730         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 731         if (!skb)
 732                 return -ENOMEM;
 733
 734         cmd = (struct roam_ctrl_cmd *) skb->data;
 735         memset(cmd, 0, sizeof(*cmd));
 736
 737         memcpy(cmd->info.bssid, bssid, ETH_ALEN);
 738         cmd->roam_ctrl = WMI_FORCE_ROAM;
 739
 740         ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
 741         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 742                                    NO_SYNC_WMIFLAG);
 743 }
 744
 745 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 746 {
 747         struct sk_buff *skb;
 748         struct roam_ctrl_cmd *cmd;
 749
 750         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 751         if (!skb)
 752                 return -ENOMEM;
 753
 754         cmd = (struct roam_ctrl_cmd *) skb->data;
 755         memset(cmd, 0, sizeof(*cmd));
 756
 757         cmd->info.roam_mode = mode;
 758         cmd->roam_ctrl = WMI_SET_ROAM_MODE;
 759
 760         ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
 761         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 762                                    NO_SYNC_WMIFLAG);
 763 }
 764
 765 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
 766                                        struct ath6kl_vif *vif)
 767 {
 768         struct wmi_connect_event *ev;
 769         u8 *pie, *peie;
 770
 771         if (len < sizeof(struct wmi_connect_event))
 772                 return -EINVAL;
 773
 774         ev = (struct wmi_connect_event *) datap;
 775
 776         if (vif->nw_type == AP_NETWORK) {
 777                 /* AP mode start/STA connected event */
 778                 struct net_device *dev = vif->ndev;
 779                 if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
 780                         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: freq %d bssid %pM "
 781                                    "(AP started)\n",
 782                                    __func__, le16_to_cpu(ev->u.ap_bss.ch),
 783                                    ev->u.ap_bss.bssid);
 784                         ath6kl_connect_ap_mode_bss(
 785                                 vif, le16_to_cpu(ev->u.ap_bss.ch));
 786                 } else {
 787                         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: aid %u mac_addr %pM "
 788                                    "auth=%u keymgmt=%u cipher=%u apsd_info=%u "
 789                                    "(STA connected)\n",
 790                                    __func__, ev->u.ap_sta.aid,
 791                                    ev->u.ap_sta.mac_addr,
 792                                    ev->u.ap_sta.auth,
 793                                    ev->u.ap_sta.keymgmt,
 794                                    le16_to_cpu(ev->u.ap_sta.cipher),
 795                                    ev->u.ap_sta.apsd_info);
 796
 797                         ath6kl_connect_ap_mode_sta(
 798                                 vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
 799                                 ev->u.ap_sta.keymgmt,
 800                                 le16_to_cpu(ev->u.ap_sta.cipher),
 801                                 ev->u.ap_sta.auth, ev->assoc_req_len,
 802                                 ev->assoc_info + ev->beacon_ie_len,
 803                                 ev->u.ap_sta.apsd_info);
 804                 }
 805                 return 0;
 806         }
 807
 808         /* STA/IBSS mode connection event */
 809
 810         ath6kl_dbg(ATH6KL_DBG_WMI,
 811                    "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
 812                    le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
 813                    le16_to_cpu(ev->u.sta.listen_intvl),
 814                    le16_to_cpu(ev->u.sta.beacon_intvl),
 815                    le32_to_cpu(ev->u.sta.nw_type));
 816
 817         /* Start of assoc rsp IEs */
 818         pie = ev->assoc_info + ev->beacon_ie_len +
 819               ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
 820
 821         /* End of assoc rsp IEs */
 822         peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
 823             ev->assoc_resp_len;
 824
 825         while (pie < peie) {
 826                 switch (*pie) {
 827                 case WLAN_EID_VENDOR_SPECIFIC:
 828                         if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
 829                             pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
 830                                 /* WMM OUT (00:50:F2) */
 831                                 if (pie[1] > 5
 832                                     && pie[6] == WMM_PARAM_OUI_SUBTYPE)
 833                                         wmi->is_wmm_enabled = true;
 834                         }
 835                         break;
 836                 }
 837
 838                 if (wmi->is_wmm_enabled)
 839                         break;
 840
 841                 pie += pie[1] + 2;
 842         }
 843
 844         ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
 845                              ev->u.sta.bssid,
 846                              le16_to_cpu(ev->u.sta.listen_intvl),
 847                              le16_to_cpu(ev->u.sta.beacon_intvl),
 848                              le32_to_cpu(ev->u.sta.nw_type),
 849                              ev->beacon_ie_len, ev->assoc_req_len,
 850                              ev->assoc_resp_len, ev->assoc_info);
 851
 852         return 0;
 853 }
 854
 855 static struct country_code_to_enum_rd *
 856 ath6kl_regd_find_country(u16 countryCode)
 857 {
 858         int i;
 859
 860         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 861                 if (allCountries[i].countryCode == countryCode)
 862                         return &allCountries[i];
 863         }
 864
 865         return NULL;
 866 }
 867
 868 static struct reg_dmn_pair_mapping *
 869 ath6kl_get_regpair(u16 regdmn)
 870 {
 871         int i;
 872
 873         if (regdmn == NO_ENUMRD)
 874                 return NULL;
 875
 876         for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
 877                 if (regDomainPairs[i].regDmnEnum == regdmn)
 878                         return &regDomainPairs[i];
 879         }
 880
 881         return NULL;
 882 }
 883
 884 static struct country_code_to_enum_rd *
 885 ath6kl_regd_find_country_by_rd(u16 regdmn)
 886 {
 887         int i;
 888
 889         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 890                 if (allCountries[i].regDmnEnum == regdmn)
 891                         return &allCountries[i];
 892         }
 893
 894         return NULL;
 895 }
 896
 897 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 898 {
 899
 900         struct ath6kl_wmi_regdomain *ev;
 901         struct country_code_to_enum_rd *country = NULL;
 902         struct reg_dmn_pair_mapping *regpair = NULL;
 903         char alpha2[2];
 904         u32 reg_code;
 905
 906         ev = (struct ath6kl_wmi_regdomain *) datap;
 907         reg_code = le32_to_cpu(ev->reg_code);
 908
 909         if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG)
 910                 country = ath6kl_regd_find_country((u16) reg_code);
 911         else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
 912
 913                 regpair = ath6kl_get_regpair((u16) reg_code);
 914                 country = ath6kl_regd_find_country_by_rd((u16) reg_code);
 915                 ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
 916                                 regpair->regDmnEnum);
 917         }
 918
 919         if (country) {
 920                 alpha2[0] = country->isoName[0];
 921                 alpha2[1] = country->isoName[1];
 922
 923                 regulatory_hint(wmi->parent_dev->wiphy, alpha2);
 924
 925                 ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
 926                                 alpha2[0], alpha2[1]);
 927         }
 928 }
 929
 930 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
 931                                           struct ath6kl_vif *vif)
 932 {
 933         struct wmi_disconnect_event *ev;
 934         wmi->traffic_class = 100;
 935
 936         if (len < sizeof(struct wmi_disconnect_event))
 937                 return -EINVAL;
 938
 939         ev = (struct wmi_disconnect_event *) datap;
 940
 941         ath6kl_dbg(ATH6KL_DBG_WMI,
 942                    "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
 943                    le16_to_cpu(ev->proto_reason_status), ev->bssid,
 944                    ev->disconn_reason, ev->assoc_resp_len);
 945
 946         wmi->is_wmm_enabled = false;
 947
 948         ath6kl_disconnect_event(vif, ev->disconn_reason,
 949                                 ev->bssid, ev->assoc_resp_len, ev->assoc_info,
 950                                 le16_to_cpu(ev->proto_reason_status));
 951
 952         return 0;
 953 }
 954
 955 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
 956 {
 957         struct wmi_peer_node_event *ev;
 958
 959         if (len < sizeof(struct wmi_peer_node_event))
 960                 return -EINVAL;
 961
 962         ev = (struct wmi_peer_node_event *) datap;
 963
 964         if (ev->event_code == PEER_NODE_JOIN_EVENT)
 965                 ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
 966                            ev->peer_mac_addr);
 967         else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
 968                 ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
 969                            ev->peer_mac_addr);
 970
 971         return 0;
 972 }
 973
 974 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
 975                                            struct ath6kl_vif *vif)
 976 {
 977         struct wmi_tkip_micerr_event *ev;
 978
 979         if (len < sizeof(struct wmi_tkip_micerr_event))
 980                 return -EINVAL;
 981
 982         ev = (struct wmi_tkip_micerr_event *) datap;
 983
 984         ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
 985
 986         return 0;
 987 }
 988
 989 void ath6kl_wmi_sscan_timer(unsigned long ptr)
 990 {
 991         struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
 992
 993         cfg80211_sched_scan_results(vif->ar->wiphy);
 994 }
 995
 996 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
 997                                        struct ath6kl_vif *vif)
 998 {
 999         struct wmi_bss_info_hdr2 *bih;
1000         u8 *buf;
1001         struct ieee80211_channel *channel;
1002         struct ath6kl *ar = wmi->parent_dev;
1003         struct ieee80211_mgmt *mgmt;
1004         struct cfg80211_bss *bss;
1005
1006         if (len <= sizeof(struct wmi_bss_info_hdr2))
1007                 return -EINVAL;
1008
1009         bih = (struct wmi_bss_info_hdr2 *) datap;
1010         buf = datap + sizeof(struct wmi_bss_info_hdr2);
1011         len -= sizeof(struct wmi_bss_info_hdr2);
1012
1013         ath6kl_dbg(ATH6KL_DBG_WMI,
1014                    "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1015                    "frame_type=%d\n",
1016                    bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1017                    bih->frame_type);
1018
1019         if (bih->frame_type != BEACON_FTYPE &&
1020             bih->frame_type != PROBERESP_FTYPE)
1021                 return 0; /* Only update BSS table for now */
1022
1023         if (bih->frame_type == BEACON_FTYPE &&
1024             test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1025                 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1026                 ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1027                                          NONE_BSS_FILTER, 0);
1028         }
1029
1030         channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1031         if (channel == NULL)
1032                 return -EINVAL;
1033
1034         if (len < 8 + 2 + 2)
1035                 return -EINVAL;
1036
1037         if (bih->frame_type == BEACON_FTYPE && test_bit(CONNECTED, &vif->flags)
1038             && memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1039                 const u8 *tim;
1040                 tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1041                                        len - 8 - 2 - 2);
1042                 if (tim && tim[1] >= 2) {
1043                         vif->assoc_bss_dtim_period = tim[3];
1044                         set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1045                 }
1046         }
1047
1048         /*
1049          * In theory, use of cfg80211_inform_bss() would be more natural here
1050          * since we do not have the full frame. However, at least for now,
1051          * cfg80211 can only distinguish Beacon and Probe Response frames from
1052          * each other when using cfg80211_inform_bss_frame(), so let's build a
1053          * fake IEEE 802.11 header to be able to take benefit of this.
1054          */
1055         mgmt = kmalloc(24 + len, GFP_ATOMIC);
1056         if (mgmt == NULL)
1057                 return -EINVAL;
1058
1059         if (bih->frame_type == BEACON_FTYPE) {
1060                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1061                                                   IEEE80211_STYPE_BEACON);
1062                 memset(mgmt->da, 0xff, ETH_ALEN);
1063         } else {
1064                 struct net_device *dev = vif->ndev;
1065
1066                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1067                                                   IEEE80211_STYPE_PROBE_RESP);
1068                 memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
1069         }
1070         mgmt->duration = cpu_to_le16(0);
1071         memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
1072         memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
1073         mgmt->seq_ctrl = cpu_to_le16(0);
1074
1075         memcpy(&mgmt->u.beacon, buf, len);
1076
1077         bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
1078                                         24 + len, (bih->snr - 95) * 100,
1079                                         GFP_ATOMIC);
1080         kfree(mgmt);
1081         if (bss == NULL)
1082                 return -ENOMEM;
1083         cfg80211_put_bss(bss);
1084
1085         /*
1086          * Firmware doesn't return any event when scheduled scan has
1087          * finished, so we need to use a timer to find out when there are
1088          * no more results.
1089          *
1090          * The timer is started from the first bss info received, otherwise
1091          * the timer would not ever fire if the scan interval is short
1092          * enough.
1093          */
1094         if (ar->state == ATH6KL_STATE_SCHED_SCAN &&
1095             !timer_pending(&vif->sched_scan_timer)) {
1096                 mod_timer(&vif->sched_scan_timer, jiffies +
1097                           msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1098         }
1099
1100         return 0;
1101 }
1102
1103 /* Inactivity timeout of a fatpipe(pstream) at the target */
1104 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1105                                                int len)
1106 {
1107         struct wmi_pstream_timeout_event *ev;
1108
1109         if (len < sizeof(struct wmi_pstream_timeout_event))
1110                 return -EINVAL;
1111
1112         ev = (struct wmi_pstream_timeout_event *) datap;
1113
1114         /*
1115          * When the pstream (fat pipe == AC) timesout, it means there were
1116          * no thinStreams within this pstream & it got implicitly created
1117          * due to data flow on this AC. We start the inactivity timer only
1118          * for implicitly created pstream. Just reset the host state.
1119          */
1120         spin_lock_bh(&wmi->lock);
1121         wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1122         wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1123         spin_unlock_bh(&wmi->lock);
1124
1125         /* Indicate inactivity to driver layer for this fatpipe (pstream) */
1126         ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1127
1128         return 0;
1129 }
1130
1131 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1132 {
1133         struct wmi_bit_rate_reply *reply;
1134         s32 rate;
1135         u32 sgi, index;
1136
1137         if (len < sizeof(struct wmi_bit_rate_reply))
1138                 return -EINVAL;
1139
1140         reply = (struct wmi_bit_rate_reply *) datap;
1141
1142         ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1143
1144         if (reply->rate_index == (s8) RATE_AUTO) {
1145                 rate = RATE_AUTO;
1146         } else {
1147                 index = reply->rate_index & 0x7f;
1148                 sgi = (reply->rate_index & 0x80) ? 1 : 0;
1149                 rate = wmi_rate_tbl[index][sgi];
1150         }
1151
1152         ath6kl_wakeup_event(wmi->parent_dev);
1153
1154         return 0;
1155 }
1156
1157 static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1158 {
1159         ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1160
1161         return 0;
1162 }
1163
1164 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1165 {
1166         if (len < sizeof(struct wmi_fix_rates_reply))
1167                 return -EINVAL;
1168
1169         ath6kl_wakeup_event(wmi->parent_dev);
1170
1171         return 0;
1172 }
1173
1174 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1175 {
1176         if (len < sizeof(struct wmi_channel_list_reply))
1177                 return -EINVAL;
1178
1179         ath6kl_wakeup_event(wmi->parent_dev);
1180
1181         return 0;
1182 }
1183
1184 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1185 {
1186         struct wmi_tx_pwr_reply *reply;
1187
1188         if (len < sizeof(struct wmi_tx_pwr_reply))
1189                 return -EINVAL;
1190
1191         reply = (struct wmi_tx_pwr_reply *) datap;
1192         ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1193
1194         return 0;
1195 }
1196
1197 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1198 {
1199         if (len < sizeof(struct wmi_get_keepalive_cmd))
1200                 return -EINVAL;
1201
1202         ath6kl_wakeup_event(wmi->parent_dev);
1203
1204         return 0;
1205 }
1206
1207 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1208                                        struct ath6kl_vif *vif)
1209 {
1210         struct wmi_scan_complete_event *ev;
1211
1212         ev = (struct wmi_scan_complete_event *) datap;
1213
1214         ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1215         wmi->is_probe_ssid = false;
1216
1217         return 0;
1218 }
1219
1220 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1221                                                int len, struct ath6kl_vif *vif)
1222 {
1223         struct wmi_neighbor_report_event *ev;
1224         u8 i;
1225
1226         if (len < sizeof(*ev))
1227                 return -EINVAL;
1228         ev = (struct wmi_neighbor_report_event *) datap;
1229         if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1230             > len) {
1231                 ath6kl_dbg(ATH6KL_DBG_WMI, "truncated neighbor event "
1232                            "(num=%d len=%d)\n", ev->num_neighbors, len);
1233                 return -EINVAL;
1234         }
1235         for (i = 0; i < ev->num_neighbors; i++) {
1236                 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1237                            i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1238                            ev->neighbor[i].bss_flags);
1239                 cfg80211_pmksa_candidate_notify(vif->ndev, i,
1240                                                 ev->neighbor[i].bssid,
1241                                                 !!(ev->neighbor[i].bss_flags &
1242                                                    WMI_PREAUTH_CAPABLE_BSS),
1243                                                 GFP_ATOMIC);
1244         }
1245
1246         return 0;
1247 }
1248
1249 /*
1250  * Target is reporting a programming error.  This is for
1251  * developer aid only.  Target only checks a few common violations
1252  * and it is responsibility of host to do all error checking.
1253  * Behavior of target after wmi error event is undefined.
1254  * A reset is recommended.
1255  */
1256 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1257 {
1258         const char *type = "unknown error";
1259         struct wmi_cmd_error_event *ev;
1260         ev = (struct wmi_cmd_error_event *) datap;
1261
1262         switch (ev->err_code) {
1263         case INVALID_PARAM:
1264                 type = "invalid parameter";
1265                 break;
1266         case ILLEGAL_STATE:
1267                 type = "invalid state";
1268                 break;
1269         case INTERNAL_ERROR:
1270                 type = "internal error";
1271                 break;
1272         }
1273
1274         ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1275                    ev->cmd_id, type);
1276
1277         return 0;
1278 }
1279
1280 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1281                                      struct ath6kl_vif *vif)
1282 {
1283         ath6kl_tgt_stats_event(vif, datap, len);
1284
1285         return 0;
1286 }
1287
1288 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1289                                          struct sq_threshold_params *sq_thresh,
1290                                          u32 size)
1291 {
1292         u32 index;
1293         u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1294
1295         /* The list is already in sorted order. Get the next lower value */
1296         for (index = 0; index < size; index++) {
1297                 if (rssi < sq_thresh->upper_threshold[index]) {
1298                         threshold = (u8) sq_thresh->upper_threshold[index];
1299                         break;
1300                 }
1301         }
1302
1303         return threshold;
1304 }
1305
1306 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1307                                          struct sq_threshold_params *sq_thresh,
1308                                          u32 size)
1309 {
1310         u32 index;
1311         u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1312
1313         /* The list is already in sorted order. Get the next lower value */
1314         for (index = 0; index < size; index++) {
1315                 if (rssi > sq_thresh->lower_threshold[index]) {
1316                         threshold = (u8) sq_thresh->lower_threshold[index];
1317                         break;
1318                 }
1319         }
1320
1321         return threshold;
1322 }
1323
1324 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1325                         struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1326 {
1327         struct sk_buff *skb;
1328         struct wmi_rssi_threshold_params_cmd *cmd;
1329
1330         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1331         if (!skb)
1332                 return -ENOMEM;
1333
1334         cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1335         memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1336
1337         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1338                                    NO_SYNC_WMIFLAG);
1339 }
1340
1341 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1342                                               int len)
1343 {
1344         struct wmi_rssi_threshold_event *reply;
1345         struct wmi_rssi_threshold_params_cmd cmd;
1346         struct sq_threshold_params *sq_thresh;
1347         enum wmi_rssi_threshold_val new_threshold;
1348         u8 upper_rssi_threshold, lower_rssi_threshold;
1349         s16 rssi;
1350         int ret;
1351
1352         if (len < sizeof(struct wmi_rssi_threshold_event))
1353                 return -EINVAL;
1354
1355         reply = (struct wmi_rssi_threshold_event *) datap;
1356         new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1357         rssi = a_sle16_to_cpu(reply->rssi);
1358
1359         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1360
1361         /*
1362          * Identify the threshold breached and communicate that to the app.
1363          * After that install a new set of thresholds based on the signal
1364          * quality reported by the target
1365          */
1366         if (new_threshold) {
1367                 /* Upper threshold breached */
1368                 if (rssi < sq_thresh->upper_threshold[0]) {
1369                         ath6kl_dbg(ATH6KL_DBG_WMI,
1370                                 "spurious upper rssi threshold event: %d\n",
1371                                 rssi);
1372                 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1373                            (rssi >= sq_thresh->upper_threshold[0])) {
1374                         new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1375                 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1376                            (rssi >= sq_thresh->upper_threshold[1])) {
1377                         new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1378                 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1379                            (rssi >= sq_thresh->upper_threshold[2])) {
1380                         new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1381                 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1382                            (rssi >= sq_thresh->upper_threshold[3])) {
1383                         new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1384                 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1385                            (rssi >= sq_thresh->upper_threshold[4])) {
1386                         new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1387                 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1388                         new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1389                 }
1390         } else {
1391                 /* Lower threshold breached */
1392                 if (rssi > sq_thresh->lower_threshold[0]) {
1393                         ath6kl_dbg(ATH6KL_DBG_WMI,
1394                                 "spurious lower rssi threshold event: %d %d\n",
1395                                 rssi, sq_thresh->lower_threshold[0]);
1396                 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1397                            (rssi <= sq_thresh->lower_threshold[0])) {
1398                         new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1399                 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1400                            (rssi <= sq_thresh->lower_threshold[1])) {
1401                         new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1402                 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1403                            (rssi <= sq_thresh->lower_threshold[2])) {
1404                         new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1405                 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1406                            (rssi <= sq_thresh->lower_threshold[3])) {
1407                         new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1408                 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1409                            (rssi <= sq_thresh->lower_threshold[4])) {
1410                         new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1411                 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1412                         new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1413                 }
1414         }
1415
1416         /* Calculate and install the next set of thresholds */
1417         lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1418                                        sq_thresh->lower_threshold_valid_count);
1419         upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1420                                        sq_thresh->upper_threshold_valid_count);
1421
1422         /* Issue a wmi command to install the thresholds */
1423         cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1424         cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1425         cmd.weight = sq_thresh->weight;
1426         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1427
1428         ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1429         if (ret) {
1430                 ath6kl_err("unable to configure rssi thresholds\n");
1431                 return -EIO;
1432         }
1433
1434         return 0;
1435 }
1436
1437 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1438                                    struct ath6kl_vif *vif)
1439 {
1440         struct wmi_cac_event *reply;
1441         struct ieee80211_tspec_ie *ts;
1442         u16 active_tsids, tsinfo;
1443         u8 tsid, index;
1444         u8 ts_id;
1445
1446         if (len < sizeof(struct wmi_cac_event))
1447                 return -EINVAL;
1448
1449         reply = (struct wmi_cac_event *) datap;
1450
1451         if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1452             (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1453
1454                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1455                 tsinfo = le16_to_cpu(ts->tsinfo);
1456                 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1457                         IEEE80211_WMM_IE_TSPEC_TID_MASK;
1458
1459                 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1460                                               reply->ac, tsid);
1461         } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1462                 /*
1463                  * Following assumes that there is only one outstanding
1464                  * ADDTS request when this event is received
1465                  */
1466                 spin_lock_bh(&wmi->lock);
1467                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1468                 spin_unlock_bh(&wmi->lock);
1469
1470                 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1471                         if ((active_tsids >> index) & 1)
1472                                 break;
1473                 }
1474                 if (index < (sizeof(active_tsids) * 8))
1475                         ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1476                                                       reply->ac, index);
1477         }
1478
1479         /*
1480          * Clear active tsids and Add missing handling
1481          * for delete qos stream from AP
1482          */
1483         else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1484
1485                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1486                 tsinfo = le16_to_cpu(ts->tsinfo);
1487                 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1488                          IEEE80211_WMM_IE_TSPEC_TID_MASK);
1489
1490                 spin_lock_bh(&wmi->lock);
1491                 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1492                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1493                 spin_unlock_bh(&wmi->lock);
1494
1495                 /* Indicate stream inactivity to driver layer only if all tsids
1496                  * within this AC are deleted.
1497                  */
1498                 if (!active_tsids) {
1499                         ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1500                                                     false);
1501                         wmi->fat_pipe_exist &= ~(1 << reply->ac);
1502                 }
1503         }
1504
1505         return 0;
1506 }
1507
1508 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1509                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1510 {
1511         struct sk_buff *skb;
1512         struct wmi_snr_threshold_params_cmd *cmd;
1513
1514         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1515         if (!skb)
1516                 return -ENOMEM;
1517
1518         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1519         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1520
1521         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1522                                    NO_SYNC_WMIFLAG);
1523 }
1524
1525 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1526                                              int len)
1527 {
1528         struct wmi_snr_threshold_event *reply;
1529         struct sq_threshold_params *sq_thresh;
1530         struct wmi_snr_threshold_params_cmd cmd;
1531         enum wmi_snr_threshold_val new_threshold;
1532         u8 upper_snr_threshold, lower_snr_threshold;
1533         s16 snr;
1534         int ret;
1535
1536         if (len < sizeof(struct wmi_snr_threshold_event))
1537                 return -EINVAL;
1538
1539         reply = (struct wmi_snr_threshold_event *) datap;
1540
1541         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1542         snr = reply->snr;
1543
1544         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1545
1546         /*
1547          * Identify the threshold breached and communicate that to the app.
1548          * After that install a new set of thresholds based on the signal
1549          * quality reported by the target.
1550          */
1551         if (new_threshold) {
1552                 /* Upper threshold breached */
1553                 if (snr < sq_thresh->upper_threshold[0]) {
1554                         ath6kl_dbg(ATH6KL_DBG_WMI,
1555                                 "spurious upper snr threshold event: %d\n",
1556                                 snr);
1557                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1558                            (snr >= sq_thresh->upper_threshold[0])) {
1559                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1560                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1561                            (snr >= sq_thresh->upper_threshold[1])) {
1562                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1563                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1564                            (snr >= sq_thresh->upper_threshold[2])) {
1565                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1566                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1567                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1568                 }
1569         } else {
1570                 /* Lower threshold breached */
1571                 if (snr > sq_thresh->lower_threshold[0]) {
1572                         ath6kl_dbg(ATH6KL_DBG_WMI,
1573                                 "spurious lower snr threshold event: %d\n",
1574                                 sq_thresh->lower_threshold[0]);
1575                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1576                            (snr <= sq_thresh->lower_threshold[0])) {
1577                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1578                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1579                            (snr <= sq_thresh->lower_threshold[1])) {
1580                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1581                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1582                            (snr <= sq_thresh->lower_threshold[2])) {
1583                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1584                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1585                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1586                 }
1587         }
1588
1589         /* Calculate and install the next set of thresholds */
1590         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1591                                        sq_thresh->lower_threshold_valid_count);
1592         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1593                                        sq_thresh->upper_threshold_valid_count);
1594
1595         /* Issue a wmi command to install the thresholds */
1596         cmd.thresh_above1_val = upper_snr_threshold;
1597         cmd.thresh_below1_val = lower_snr_threshold;
1598         cmd.weight = sq_thresh->weight;
1599         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1600
1601         ath6kl_dbg(ATH6KL_DBG_WMI,
1602                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1603                    snr, new_threshold,
1604                    lower_snr_threshold, upper_snr_threshold);
1605
1606         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1607         if (ret) {
1608                 ath6kl_err("unable to configure snr threshold\n");
1609                 return -EIO;
1610         }
1611
1612         return 0;
1613 }
1614
1615 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1616 {
1617         u16 ap_info_entry_size;
1618         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1619         struct wmi_ap_info_v1 *ap_info_v1;
1620         u8 index;
1621
1622         if (len < sizeof(struct wmi_aplist_event) ||
1623             ev->ap_list_ver != APLIST_VER1)
1624                 return -EINVAL;
1625
1626         ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1627         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1628
1629         ath6kl_dbg(ATH6KL_DBG_WMI,
1630                    "number of APs in aplist event: %d\n", ev->num_ap);
1631
1632         if (len < (int) (sizeof(struct wmi_aplist_event) +
1633                          (ev->num_ap - 1) * ap_info_entry_size))
1634                 return -EINVAL;
1635
1636         /* AP list version 1 contents */
1637         for (index = 0; index < ev->num_ap; index++) {
1638                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1639                            index, ap_info_v1->bssid, ap_info_v1->channel);
1640                 ap_info_v1++;
1641         }
1642
1643         return 0;
1644 }
1645
1646 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1647                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1648 {
1649         struct wmi_cmd_hdr *cmd_hdr;
1650         enum htc_endpoint_id ep_id = wmi->ep_id;
1651         int ret;
1652         u16 info1;
1653
1654         if (WARN_ON(skb == NULL || (if_idx > (wmi->parent_dev->vif_max - 1))))
1655                 return -EINVAL;
1656
1657         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1658                    cmd_id, skb->len, sync_flag);
1659         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1660                         skb->data, skb->len);
1661
1662         if (sync_flag >= END_WMIFLAG) {
1663                 dev_kfree_skb(skb);
1664                 return -EINVAL;
1665         }
1666
1667         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1668             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1669                 /*
1670                  * Make sure all data currently queued is transmitted before
1671                  * the cmd execution.  Establish a new sync point.
1672                  */
1673                 ath6kl_wmi_sync_point(wmi, if_idx);
1674         }
1675
1676         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1677
1678         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1679         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1680         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1681         cmd_hdr->info1 = cpu_to_le16(info1);
1682
1683         /* Only for OPT_TX_CMD, use BE endpoint. */
1684         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1685                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1686                                               false, false, 0, NULL, if_idx);
1687                 if (ret) {
1688                         dev_kfree_skb(skb);
1689                         return ret;
1690                 }
1691                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1692         }
1693
1694         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1695
1696         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1697             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1698                 /*
1699                  * Make sure all new data queued waits for the command to
1700                  * execute. Establish a new sync point.
1701                  */
1702                 ath6kl_wmi_sync_point(wmi, if_idx);
1703         }
1704
1705         return 0;
1706 }
1707
1708 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1709                            enum network_type nw_type,
1710                            enum dot11_auth_mode dot11_auth_mode,
1711                            enum auth_mode auth_mode,
1712                            enum crypto_type pairwise_crypto,
1713                            u8 pairwise_crypto_len,
1714                            enum crypto_type group_crypto,
1715                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1716                            u8 *bssid, u16 channel, u32 ctrl_flags,
1717                            u8 nw_subtype)
1718 {
1719         struct sk_buff *skb;
1720         struct wmi_connect_cmd *cc;
1721         int ret;
1722
1723         ath6kl_dbg(ATH6KL_DBG_WMI,
1724                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1725                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1726                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1727                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1728         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1729
1730         wmi->traffic_class = 100;
1731
1732         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1733                 return -EINVAL;
1734
1735         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1736                 return -EINVAL;
1737
1738         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1739         if (!skb)
1740                 return -ENOMEM;
1741
1742         cc = (struct wmi_connect_cmd *) skb->data;
1743
1744         if (ssid_len)
1745                 memcpy(cc->ssid, ssid, ssid_len);
1746
1747         cc->ssid_len = ssid_len;
1748         cc->nw_type = nw_type;
1749         cc->dot11_auth_mode = dot11_auth_mode;
1750         cc->auth_mode = auth_mode;
1751         cc->prwise_crypto_type = pairwise_crypto;
1752         cc->prwise_crypto_len = pairwise_crypto_len;
1753         cc->grp_crypto_type = group_crypto;
1754         cc->grp_crypto_len = group_crypto_len;
1755         cc->ch = cpu_to_le16(channel);
1756         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1757         cc->nw_subtype = nw_subtype;
1758
1759         if (bssid != NULL)
1760                 memcpy(cc->bssid, bssid, ETH_ALEN);
1761
1762         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1763                                   NO_SYNC_WMIFLAG);
1764
1765         return ret;
1766 }
1767
1768 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1769                              u16 channel)
1770 {
1771         struct sk_buff *skb;
1772         struct wmi_reconnect_cmd *cc;
1773         int ret;
1774
1775         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1776                    bssid, channel);
1777
1778         wmi->traffic_class = 100;
1779
1780         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1781         if (!skb)
1782                 return -ENOMEM;
1783
1784         cc = (struct wmi_reconnect_cmd *) skb->data;
1785         cc->channel = cpu_to_le16(channel);
1786
1787         if (bssid != NULL)
1788                 memcpy(cc->bssid, bssid, ETH_ALEN);
1789
1790         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1791                                   NO_SYNC_WMIFLAG);
1792
1793         return ret;
1794 }
1795
1796 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1797 {
1798         int ret;
1799
1800         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1801
1802         wmi->traffic_class = 100;
1803
1804         /* Disconnect command does not need to do a SYNC before. */
1805         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1806
1807         return ret;
1808 }
1809
1810 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1811                              enum wmi_scan_type scan_type,
1812                              u32 force_fgscan, u32 is_legacy,
1813                              u32 home_dwell_time, u32 force_scan_interval,
1814                              s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
1815 {
1816         struct sk_buff *skb;
1817         struct wmi_begin_scan_cmd *sc;
1818         s8 size;
1819         int i, band, ret;
1820         struct ath6kl *ar = wmi->parent_dev;
1821         int num_rates;
1822
1823         size = sizeof(struct wmi_begin_scan_cmd);
1824
1825         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1826                 return -EINVAL;
1827
1828         if (num_chan > WMI_MAX_CHANNELS)
1829                 return -EINVAL;
1830
1831         if (num_chan)
1832                 size += sizeof(u16) * (num_chan - 1);
1833
1834         skb = ath6kl_wmi_get_new_buf(size);
1835         if (!skb)
1836                 return -ENOMEM;
1837
1838         sc = (struct wmi_begin_scan_cmd *) skb->data;
1839         sc->scan_type = scan_type;
1840         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1841         sc->is_legacy = cpu_to_le32(is_legacy);
1842         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1843         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1844         sc->no_cck = cpu_to_le32(no_cck);
1845         sc->num_ch = num_chan;
1846
1847         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
1848                 struct ieee80211_supported_band *sband =
1849                     ar->wiphy->bands[band];
1850                 u32 ratemask = rates[band];
1851                 u8 *supp_rates = sc->supp_rates[band].rates;
1852                 num_rates = 0;
1853
1854                 for (i = 0; i < sband->n_bitrates; i++) {
1855                         if ((BIT(i) & ratemask) == 0)
1856                                 continue; /* skip rate */
1857                         supp_rates[num_rates++] =
1858                             (u8) (sband->bitrates[i].bitrate / 5);
1859                 }
1860                 sc->supp_rates[band].nrates = num_rates;
1861         }
1862
1863         for (i = 0; i < num_chan; i++)
1864                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1865
1866         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
1867                                   NO_SYNC_WMIFLAG);
1868
1869         return ret;
1870 }
1871
1872 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1873  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1874  * mgmt operations using station interface.
1875  */
1876 int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1877                              enum wmi_scan_type scan_type,
1878                              u32 force_fgscan, u32 is_legacy,
1879                              u32 home_dwell_time, u32 force_scan_interval,
1880                              s8 num_chan, u16 *ch_list)
1881 {
1882         struct sk_buff *skb;
1883         struct wmi_start_scan_cmd *sc;
1884         s8 size;
1885         int i, ret;
1886
1887         size = sizeof(struct wmi_start_scan_cmd);
1888
1889         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1890                 return -EINVAL;
1891
1892         if (num_chan > WMI_MAX_CHANNELS)
1893                 return -EINVAL;
1894
1895         if (num_chan)
1896                 size += sizeof(u16) * (num_chan - 1);
1897
1898         skb = ath6kl_wmi_get_new_buf(size);
1899         if (!skb)
1900                 return -ENOMEM;
1901
1902         sc = (struct wmi_start_scan_cmd *) skb->data;
1903         sc->scan_type = scan_type;
1904         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1905         sc->is_legacy = cpu_to_le32(is_legacy);
1906         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1907         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1908         sc->num_ch = num_chan;
1909
1910         for (i = 0; i < num_chan; i++)
1911                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1912
1913         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1914                                   NO_SYNC_WMIFLAG);
1915
1916         return ret;
1917 }
1918
1919 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
1920                               u16 fg_start_sec,
1921                               u16 fg_end_sec, u16 bg_sec,
1922                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
1923                               u16 pas_chdw_msec, u8 short_scan_ratio,
1924                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
1925                               u16 maxact_scan_per_ssid)
1926 {
1927         struct sk_buff *skb;
1928         struct wmi_scan_params_cmd *sc;
1929         int ret;
1930
1931         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
1932         if (!skb)
1933                 return -ENOMEM;
1934
1935         sc = (struct wmi_scan_params_cmd *) skb->data;
1936         sc->fg_start_period = cpu_to_le16(fg_start_sec);
1937         sc->fg_end_period = cpu_to_le16(fg_end_sec);
1938         sc->bg_period = cpu_to_le16(bg_sec);
1939         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
1940         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
1941         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
1942         sc->short_scan_ratio = short_scan_ratio;
1943         sc->scan_ctrl_flags = scan_ctrl_flag;
1944         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
1945         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
1946
1947         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
1948                                   NO_SYNC_WMIFLAG);
1949         return ret;
1950 }
1951
1952 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
1953 {
1954         struct sk_buff *skb;
1955         struct wmi_bss_filter_cmd *cmd;
1956         int ret;
1957
1958         if (filter >= LAST_BSS_FILTER)
1959                 return -EINVAL;
1960
1961         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1962         if (!skb)
1963                 return -ENOMEM;
1964
1965         cmd = (struct wmi_bss_filter_cmd *) skb->data;
1966         cmd->bss_filter = filter;
1967         cmd->ie_mask = cpu_to_le32(ie_mask);
1968
1969         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
1970                                   NO_SYNC_WMIFLAG);
1971         return ret;
1972 }
1973
1974 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
1975                               u8 ssid_len, u8 *ssid)
1976 {
1977         struct sk_buff *skb;
1978         struct wmi_probed_ssid_cmd *cmd;
1979         int ret;
1980
1981         if (index > MAX_PROBED_SSID_INDEX)
1982                 return -EINVAL;
1983
1984         if (ssid_len > sizeof(cmd->ssid))
1985                 return -EINVAL;
1986
1987         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
1988                 return -EINVAL;
1989
1990         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
1991                 return -EINVAL;
1992
1993         if (flag & SPECIFIC_SSID_FLAG)
1994                 wmi->is_probe_ssid = true;
1995
1996         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1997         if (!skb)
1998                 return -ENOMEM;
1999
2000         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2001         cmd->entry_index = index;
2002         cmd->flag = flag;
2003         cmd->ssid_len = ssid_len;
2004         memcpy(cmd->ssid, ssid, ssid_len);
2005
2006         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2007                                   NO_SYNC_WMIFLAG);
2008         return ret;
2009 }
2010
2011 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2012                                   u16 listen_interval,
2013                                   u16 listen_beacons)
2014 {
2015         struct sk_buff *skb;
2016         struct wmi_listen_int_cmd *cmd;
2017         int ret;
2018
2019         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2020         if (!skb)
2021                 return -ENOMEM;
2022
2023         cmd = (struct wmi_listen_int_cmd *) skb->data;
2024         cmd->listen_intvl = cpu_to_le16(listen_interval);
2025         cmd->num_beacons = cpu_to_le16(listen_beacons);
2026
2027         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2028                                   NO_SYNC_WMIFLAG);
2029         return ret;
2030 }
2031
2032 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2033 {
2034         struct sk_buff *skb;
2035         struct wmi_power_mode_cmd *cmd;
2036         int ret;
2037
2038         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2039         if (!skb)
2040                 return -ENOMEM;
2041
2042         cmd = (struct wmi_power_mode_cmd *) skb->data;
2043         cmd->pwr_mode = pwr_mode;
2044         wmi->pwr_mode = pwr_mode;
2045
2046         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2047                                   NO_SYNC_WMIFLAG);
2048         return ret;
2049 }
2050
2051 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2052                             u16 ps_poll_num, u16 dtim_policy,
2053                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2054                             u16 ps_fail_event_policy)
2055 {
2056         struct sk_buff *skb;
2057         struct wmi_power_params_cmd *pm;
2058         int ret;
2059
2060         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2061         if (!skb)
2062                 return -ENOMEM;
2063
2064         pm = (struct wmi_power_params_cmd *)skb->data;
2065         pm->idle_period = cpu_to_le16(idle_period);
2066         pm->pspoll_number = cpu_to_le16(ps_poll_num);
2067         pm->dtim_policy = cpu_to_le16(dtim_policy);
2068         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2069         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2070         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2071
2072         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2073                                   NO_SYNC_WMIFLAG);
2074         return ret;
2075 }
2076
2077 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2078 {
2079         struct sk_buff *skb;
2080         struct wmi_disc_timeout_cmd *cmd;
2081         int ret;
2082
2083         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2084         if (!skb)
2085                 return -ENOMEM;
2086
2087         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2088         cmd->discon_timeout = timeout;
2089
2090         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2091                                   NO_SYNC_WMIFLAG);
2092
2093         if (ret == 0)
2094                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2095
2096         return ret;
2097 }
2098
2099 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2100                           enum crypto_type key_type,
2101                           u8 key_usage, u8 key_len,
2102                           u8 *key_rsc, unsigned int key_rsc_len,
2103                           u8 *key_material,
2104                           u8 key_op_ctrl, u8 *mac_addr,
2105                           enum wmi_sync_flag sync_flag)
2106 {
2107         struct sk_buff *skb;
2108         struct wmi_add_cipher_key_cmd *cmd;
2109         int ret;
2110
2111         ath6kl_dbg(ATH6KL_DBG_WMI, "addkey cmd: key_index=%u key_type=%d "
2112                    "key_usage=%d key_len=%d key_op_ctrl=%d\n",
2113                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2114
2115         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2116             (key_material == NULL) || key_rsc_len > 8)
2117                 return -EINVAL;
2118
2119         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2120                 return -EINVAL;
2121
2122         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2123         if (!skb)
2124                 return -ENOMEM;
2125
2126         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2127         cmd->key_index = key_index;
2128         cmd->key_type = key_type;
2129         cmd->key_usage = key_usage;
2130         cmd->key_len = key_len;
2131         memcpy(cmd->key, key_material, key_len);
2132
2133         if (key_rsc != NULL)
2134                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2135
2136         cmd->key_op_ctrl = key_op_ctrl;
2137
2138         if (mac_addr)
2139                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2140
2141         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2142                                   sync_flag);
2143
2144         return ret;
2145 }
2146
2147 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk)
2148 {
2149         struct sk_buff *skb;
2150         struct wmi_add_krk_cmd *cmd;
2151         int ret;
2152
2153         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2154         if (!skb)
2155                 return -ENOMEM;
2156
2157         cmd = (struct wmi_add_krk_cmd *) skb->data;
2158         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2159
2160         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2161                                   NO_SYNC_WMIFLAG);
2162
2163         return ret;
2164 }
2165
2166 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2167 {
2168         struct sk_buff *skb;
2169         struct wmi_delete_cipher_key_cmd *cmd;
2170         int ret;
2171
2172         if (key_index > WMI_MAX_KEY_INDEX)
2173                 return -EINVAL;
2174
2175         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2176         if (!skb)
2177                 return -ENOMEM;
2178
2179         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2180         cmd->key_index = key_index;
2181
2182         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2183                                   NO_SYNC_WMIFLAG);
2184
2185         return ret;
2186 }
2187
2188 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2189                             const u8 *pmkid, bool set)
2190 {
2191         struct sk_buff *skb;
2192         struct wmi_setpmkid_cmd *cmd;
2193         int ret;
2194
2195         if (bssid == NULL)
2196                 return -EINVAL;
2197
2198         if (set && pmkid == NULL)
2199                 return -EINVAL;
2200
2201         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2202         if (!skb)
2203                 return -ENOMEM;
2204
2205         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2206         memcpy(cmd->bssid, bssid, ETH_ALEN);
2207         if (set) {
2208                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2209                 cmd->enable = PMKID_ENABLE;
2210         } else {
2211                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2212                 cmd->enable = PMKID_DISABLE;
2213         }
2214
2215         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2216                                   NO_SYNC_WMIFLAG);
2217
2218         return ret;
2219 }
2220
2221 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2222                               enum htc_endpoint_id ep_id, u8 if_idx)
2223 {
2224         struct wmi_data_hdr *data_hdr;
2225         int ret;
2226
2227         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id))
2228                 return -EINVAL;
2229
2230         skb_push(skb, sizeof(struct wmi_data_hdr));
2231
2232         data_hdr = (struct wmi_data_hdr *) skb->data;
2233         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2234         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2235
2236         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2237
2238         return ret;
2239 }
2240
2241 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2242 {
2243         struct sk_buff *skb;
2244         struct wmi_sync_cmd *cmd;
2245         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2246         enum htc_endpoint_id ep_id;
2247         u8 index, num_pri_streams = 0;
2248         int ret = 0;
2249
2250         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2251
2252         spin_lock_bh(&wmi->lock);
2253
2254         for (index = 0; index < WMM_NUM_AC; index++) {
2255                 if (wmi->fat_pipe_exist & (1 << index)) {
2256                         num_pri_streams++;
2257                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2258                             index;
2259                 }
2260         }
2261
2262         spin_unlock_bh(&wmi->lock);
2263
2264         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2265         if (!skb) {
2266                 ret = -ENOMEM;
2267                 goto free_skb;
2268         }
2269
2270         cmd = (struct wmi_sync_cmd *) skb->data;
2271
2272         /*
2273          * In the SYNC cmd sent on the control Ep, send a bitmap
2274          * of the data eps on which the Data Sync will be sent
2275          */
2276         cmd->data_sync_map = wmi->fat_pipe_exist;
2277
2278         for (index = 0; index < num_pri_streams; index++) {
2279                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2280                 if (data_sync_bufs[index].skb == NULL) {
2281                         ret = -ENOMEM;
2282                         break;
2283                 }
2284         }
2285
2286         /*
2287          * If buffer allocation for any of the dataSync fails,
2288          * then do not send the Synchronize cmd on the control ep
2289          */
2290         if (ret)
2291                 goto free_skb;
2292
2293         /*
2294          * Send sync cmd followed by sync data messages on all
2295          * endpoints being used
2296          */
2297         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2298                                   NO_SYNC_WMIFLAG);
2299
2300         if (ret)
2301                 goto free_skb;
2302
2303         /* cmd buffer sent, we no longer own it */
2304         skb = NULL;
2305
2306         for (index = 0; index < num_pri_streams; index++) {
2307
2308                 if (WARN_ON(!data_sync_bufs[index].skb))
2309                         break;
2310
2311                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2312                                                data_sync_bufs[index].
2313                                                traffic_class);
2314                 ret =
2315                     ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2316                                               ep_id, if_idx);
2317
2318                 if (ret)
2319                         break;
2320
2321                 data_sync_bufs[index].skb = NULL;
2322         }
2323
2324 free_skb:
2325         /* free up any resources left over (possibly due to an error) */
2326         if (skb)
2327                 dev_kfree_skb(skb);
2328
2329         for (index = 0; index < num_pri_streams; index++) {
2330                 if (data_sync_bufs[index].skb != NULL) {
2331                         dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].
2332                                       skb);
2333                 }
2334         }
2335
2336         return ret;
2337 }
2338
2339 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2340                                   struct wmi_create_pstream_cmd *params)
2341 {
2342         struct sk_buff *skb;
2343         struct wmi_create_pstream_cmd *cmd;
2344         u8 fatpipe_exist_for_ac = 0;
2345         s32 min_phy = 0;
2346         s32 nominal_phy = 0;
2347         int ret;
2348
2349         if (!((params->user_pri < 8) &&
2350               (params->user_pri <= 0x7) &&
2351               (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2352               (params->traffic_direc == UPLINK_TRAFFIC ||
2353                params->traffic_direc == DNLINK_TRAFFIC ||
2354                params->traffic_direc == BIDIR_TRAFFIC) &&
2355               (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2356                params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2357               (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2358                params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2359                params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2360               (params->tsid == WMI_IMPLICIT_PSTREAM ||
2361                params->tsid <= WMI_MAX_THINSTREAM))) {
2362                 return -EINVAL;
2363         }
2364
2365         /*
2366          * Check nominal PHY rate is >= minimalPHY,
2367          * so that DUT can allow TSRS IE
2368          */
2369
2370         /* Get the physical rate (units of bps) */
2371         min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2372
2373         /* Check minimal phy < nominal phy rate */
2374         if (params->nominal_phy >= min_phy) {
2375                 /* unit of 500 kbps */
2376                 nominal_phy = (params->nominal_phy * 1000) / 500;
2377                 ath6kl_dbg(ATH6KL_DBG_WMI,
2378                            "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2379                            min_phy, nominal_phy);
2380
2381                 params->nominal_phy = nominal_phy;
2382         } else {
2383                 params->nominal_phy = 0;
2384         }
2385
2386         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2387         if (!skb)
2388                 return -ENOMEM;
2389
2390         ath6kl_dbg(ATH6KL_DBG_WMI,
2391                    "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2392                    params->traffic_class, params->tsid);
2393
2394         cmd = (struct wmi_create_pstream_cmd *) skb->data;
2395         memcpy(cmd, params, sizeof(*cmd));
2396
2397         /* This is an implicitly created Fat pipe */
2398         if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2399                 spin_lock_bh(&wmi->lock);
2400                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2401                                         (1 << params->traffic_class));
2402                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2403                 spin_unlock_bh(&wmi->lock);
2404         } else {
2405                 /* explicitly created thin stream within a fat pipe */
2406                 spin_lock_bh(&wmi->lock);
2407                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2408                                         (1 << params->traffic_class));
2409                 wmi->stream_exist_for_ac[params->traffic_class] |=
2410                     (1 << params->tsid);
2411                 /*
2412                  * If a thinstream becomes active, the fat pipe automatically
2413                  * becomes active
2414                  */
2415                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2416                 spin_unlock_bh(&wmi->lock);
2417         }
2418
2419         /*
2420          * Indicate activty change to driver layer only if this is the
2421          * first TSID to get created in this AC explicitly or an implicit
2422          * fat pipe is getting created.
2423          */
2424         if (!fatpipe_exist_for_ac)
2425                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2426                                             params->traffic_class, true);
2427
2428         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2429                                   NO_SYNC_WMIFLAG);
2430         return ret;
2431 }
2432
2433 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2434                                   u8 tsid)
2435 {
2436         struct sk_buff *skb;
2437         struct wmi_delete_pstream_cmd *cmd;
2438         u16 active_tsids = 0;
2439         int ret;
2440
2441         if (traffic_class > 3) {
2442                 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2443                 return -EINVAL;
2444         }
2445
2446         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2447         if (!skb)
2448                 return -ENOMEM;
2449
2450         cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2451         cmd->traffic_class = traffic_class;
2452         cmd->tsid = tsid;
2453
2454         spin_lock_bh(&wmi->lock);
2455         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2456         spin_unlock_bh(&wmi->lock);
2457
2458         if (!(active_tsids & (1 << tsid))) {
2459                 dev_kfree_skb(skb);
2460                 ath6kl_dbg(ATH6KL_DBG_WMI,
2461                            "TSID %d doesn't exist for traffic class: %d\n",
2462                            tsid, traffic_class);
2463                 return -ENODATA;
2464         }
2465
2466         ath6kl_dbg(ATH6KL_DBG_WMI,
2467                    "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2468                    traffic_class, tsid);
2469
2470         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2471                                   SYNC_BEFORE_WMIFLAG);
2472
2473         spin_lock_bh(&wmi->lock);
2474         wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2475         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2476         spin_unlock_bh(&wmi->lock);
2477
2478         /*
2479          * Indicate stream inactivity to driver layer only if all tsids
2480          * within this AC are deleted.
2481          */
2482         if (!active_tsids) {
2483                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2484                                             traffic_class, false);
2485                 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2486         }
2487
2488         return ret;
2489 }
2490
2491 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2492                           __be32 ips0, __be32 ips1)
2493 {
2494         struct sk_buff *skb;
2495         struct wmi_set_ip_cmd *cmd;
2496         int ret;
2497
2498         /* Multicast address are not valid */
2499         if (ipv4_is_multicast(ips0) ||
2500             ipv4_is_multicast(ips1))
2501                 return -EINVAL;
2502
2503         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2504         if (!skb)
2505                 return -ENOMEM;
2506
2507         cmd = (struct wmi_set_ip_cmd *) skb->data;
2508         cmd->ips[0] = ips0;
2509         cmd->ips[1] = ips1;
2510
2511         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2512                                   NO_SYNC_WMIFLAG);
2513         return ret;
2514 }
2515
2516 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2517 {
2518         u16 active_tsids;
2519         u8 stream_exist;
2520         int i;
2521
2522         /*
2523          * Relinquish credits from all implicitly created pstreams
2524          * since when we go to sleep. If user created explicit
2525          * thinstreams exists with in a fatpipe leave them intact
2526          * for the user to delete.
2527          */
2528         spin_lock_bh(&wmi->lock);
2529         stream_exist = wmi->fat_pipe_exist;
2530         spin_unlock_bh(&wmi->lock);
2531
2532         for (i = 0; i < WMM_NUM_AC; i++) {
2533                 if (stream_exist & (1 << i)) {
2534
2535                         /*
2536                          * FIXME: Is this lock & unlock inside
2537                          * for loop correct? may need rework.
2538                          */
2539                         spin_lock_bh(&wmi->lock);
2540                         active_tsids = wmi->stream_exist_for_ac[i];
2541                         spin_unlock_bh(&wmi->lock);
2542
2543                         /*
2544                          * If there are no user created thin streams
2545                          * delete the fatpipe
2546                          */
2547                         if (!active_tsids) {
2548                                 stream_exist &= ~(1 << i);
2549                                 /*
2550                                  * Indicate inactivity to driver layer for
2551                                  * this fatpipe (pstream)
2552                                  */
2553                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2554                                                             i, false);
2555                         }
2556                 }
2557         }
2558
2559         /* FIXME: Can we do this assignment without locking ? */
2560         spin_lock_bh(&wmi->lock);
2561         wmi->fat_pipe_exist = stream_exist;
2562         spin_unlock_bh(&wmi->lock);
2563 }
2564
2565 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2566                                        enum ath6kl_host_mode host_mode)
2567 {
2568         struct sk_buff *skb;
2569         struct wmi_set_host_sleep_mode_cmd *cmd;
2570         int ret;
2571
2572         if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2573             (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2574                 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2575                 return -EINVAL;
2576         }
2577
2578         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2579         if (!skb)
2580                 return -ENOMEM;
2581
2582         cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2583
2584         if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2585                 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2586                 cmd->asleep = cpu_to_le32(1);
2587         } else
2588                 cmd->awake = cpu_to_le32(1);
2589
2590         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2591                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2592                                   NO_SYNC_WMIFLAG);
2593         return ret;
2594 }
2595
2596 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2597                                 enum ath6kl_wow_mode wow_mode,
2598                                 u32 filter, u16 host_req_delay)
2599 {
2600         struct sk_buff *skb;
2601         struct wmi_set_wow_mode_cmd *cmd;
2602         int ret;
2603
2604         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2605              wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2606                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2607                 return -EINVAL;
2608         }
2609
2610         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2611         if (!skb)
2612                 return -ENOMEM;
2613
2614         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2615         cmd->enable_wow = cpu_to_le32(wow_mode);
2616         cmd->filter = cpu_to_le32(filter);
2617         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2618
2619         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2620                                   NO_SYNC_WMIFLAG);
2621         return ret;
2622 }
2623
2624 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2625                                    u8 list_id, u8 filter_size,
2626                                    u8 filter_offset, u8 *filter, u8 *mask)
2627 {
2628         struct sk_buff *skb;
2629         struct wmi_add_wow_pattern_cmd *cmd;
2630         u16 size;
2631         u8 *filter_mask;
2632         int ret;
2633
2634         /*
2635          * Allocate additional memory in the buffer to hold
2636          * filter and mask value, which is twice of filter_size.
2637          */
2638         size = sizeof(*cmd) + (2 * filter_size);
2639
2640         skb = ath6kl_wmi_get_new_buf(size);
2641         if (!skb)
2642                 return -ENOMEM;
2643
2644         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2645         cmd->filter_list_id = list_id;
2646         cmd->filter_size = filter_size;
2647         cmd->filter_offset = filter_offset;
2648
2649         memcpy(cmd->filter, filter, filter_size);
2650
2651         filter_mask = (u8 *) (cmd->filter + filter_size);
2652         memcpy(filter_mask, mask, filter_size);
2653
2654         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2655                                   NO_SYNC_WMIFLAG);
2656
2657         return ret;
2658 }
2659
2660 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2661                                    u16 list_id, u16 filter_id)
2662 {
2663         struct sk_buff *skb;
2664         struct wmi_del_wow_pattern_cmd *cmd;
2665         int ret;
2666
2667         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2668         if (!skb)
2669                 return -ENOMEM;
2670
2671         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2672         cmd->filter_list_id = cpu_to_le16(list_id);
2673         cmd->filter_id = cpu_to_le16(filter_id);
2674
2675         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2676                                   NO_SYNC_WMIFLAG);
2677         return ret;
2678 }
2679
2680 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2681                                     enum wmix_command_id cmd_id,
2682                                     enum wmi_sync_flag sync_flag)
2683 {
2684         struct wmix_cmd_hdr *cmd_hdr;
2685         int ret;
2686
2687         skb_push(skb, sizeof(struct wmix_cmd_hdr));
2688
2689         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2690         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2691
2692         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
2693
2694         return ret;
2695 }
2696
2697 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2698 {
2699         struct sk_buff *skb;
2700         struct wmix_hb_challenge_resp_cmd *cmd;
2701         int ret;
2702
2703         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2704         if (!skb)
2705                 return -ENOMEM;
2706
2707         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
2708         cmd->cookie = cpu_to_le32(cookie);
2709         cmd->source = cpu_to_le32(source);
2710
2711         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
2712                                        NO_SYNC_WMIFLAG);
2713         return ret;
2714 }
2715
2716 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
2717 {
2718         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
2719         struct sk_buff *skb;
2720         int ret;
2721
2722         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2723         if (!skb)
2724                 return -ENOMEM;
2725
2726         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
2727         cmd->valid = cpu_to_le32(valid);
2728         cmd->config = cpu_to_le32(config);
2729
2730         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
2731                                        NO_SYNC_WMIFLAG);
2732         return ret;
2733 }
2734
2735 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
2736 {
2737         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
2738 }
2739
2740 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
2741 {
2742         struct sk_buff *skb;
2743         struct wmi_set_tx_pwr_cmd *cmd;
2744         int ret;
2745
2746         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
2747         if (!skb)
2748                 return -ENOMEM;
2749
2750         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
2751         cmd->dbM = dbM;
2752
2753         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
2754                                   NO_SYNC_WMIFLAG);
2755
2756         return ret;
2757 }
2758
2759 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
2760 {
2761         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
2762 }
2763
2764 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
2765 {
2766         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
2767 }
2768
2769 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
2770                                  u8 preamble_policy)
2771 {
2772         struct sk_buff *skb;
2773         struct wmi_set_lpreamble_cmd *cmd;
2774         int ret;
2775
2776         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
2777         if (!skb)
2778                 return -ENOMEM;
2779
2780         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
2781         cmd->status = status;
2782         cmd->preamble_policy = preamble_policy;
2783
2784         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
2785                                   NO_SYNC_WMIFLAG);
2786         return ret;
2787 }
2788
2789 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
2790 {
2791         struct sk_buff *skb;
2792         struct wmi_set_rts_cmd *cmd;
2793         int ret;
2794
2795         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
2796         if (!skb)
2797                 return -ENOMEM;
2798
2799         cmd = (struct wmi_set_rts_cmd *) skb->data;
2800         cmd->threshold = cpu_to_le16(threshold);
2801
2802         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
2803                                   NO_SYNC_WMIFLAG);
2804         return ret;
2805 }
2806
2807 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
2808 {
2809         struct sk_buff *skb;
2810         struct wmi_set_wmm_txop_cmd *cmd;
2811         int ret;
2812
2813         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
2814                 return -EINVAL;
2815
2816         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
2817         if (!skb)
2818                 return -ENOMEM;
2819
2820         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
2821         cmd->txop_enable = cfg;
2822
2823         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
2824                                   NO_SYNC_WMIFLAG);
2825         return ret;
2826 }
2827
2828 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
2829                                  u8 keep_alive_intvl)
2830 {
2831         struct sk_buff *skb;
2832         struct wmi_set_keepalive_cmd *cmd;
2833         int ret;
2834
2835         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2836         if (!skb)
2837                 return -ENOMEM;
2838
2839         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
2840         cmd->keep_alive_intvl = keep_alive_intvl;
2841
2842         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
2843                                   NO_SYNC_WMIFLAG);
2844
2845         if (ret == 0)
2846                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
2847
2848         return ret;
2849 }
2850
2851 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
2852 {
2853         struct sk_buff *skb;
2854         int ret;
2855
2856         skb = ath6kl_wmi_get_new_buf(len);
2857         if (!skb)
2858                 return -ENOMEM;
2859
2860         memcpy(skb->data, buf, len);
2861
2862         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
2863
2864         return ret;
2865 }
2866
2867 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
2868 {
2869         struct sk_buff *skb;
2870         struct wmi_mcast_filter_cmd *cmd;
2871         int ret;
2872
2873         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2874         if (!skb)
2875                 return -ENOMEM;
2876
2877         cmd = (struct wmi_mcast_filter_cmd *) skb->data;
2878         cmd->mcast_all_enable = mc_all_on;
2879
2880         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
2881                                   NO_SYNC_WMIFLAG);
2882         return ret;
2883 }
2884
2885 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
2886                                         u8 *filter, bool add_filter)
2887 {
2888         struct sk_buff *skb;
2889         struct wmi_mcast_filter_add_del_cmd *cmd;
2890         int ret;
2891
2892         if ((filter[0] != 0x33 || filter[1] != 0x33) &&
2893             (filter[0] != 0x01 || filter[1] != 0x00 ||
2894             filter[2] != 0x5e || filter[3] > 0x7f)) {
2895                 ath6kl_warn("invalid multicast filter address\n");
2896                 return -EINVAL;
2897         }
2898
2899         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2900         if (!skb)
2901                 return -ENOMEM;
2902
2903         cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
2904         memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
2905         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2906                                   add_filter ? WMI_SET_MCAST_FILTER_CMDID :
2907                                   WMI_DEL_MCAST_FILTER_CMDID,
2908                                   NO_SYNC_WMIFLAG);
2909
2910         return ret;
2911 }
2912
2913 s32 ath6kl_wmi_get_rate(s8 rate_index)
2914 {
2915         if (rate_index == RATE_AUTO)
2916                 return 0;
2917
2918         return wmi_rate_tbl[(u32) rate_index][0];
2919 }
2920
2921 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
2922                                               u32 len)
2923 {
2924         struct wmi_pmkid_list_reply *reply;
2925         u32 expected_len;
2926
2927         if (len < sizeof(struct wmi_pmkid_list_reply))
2928                 return -EINVAL;
2929
2930         reply = (struct wmi_pmkid_list_reply *)datap;
2931         expected_len = sizeof(reply->num_pmkid) +
2932                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
2933
2934         if (len < expected_len)
2935                 return -EINVAL;
2936
2937         return 0;
2938 }
2939
2940 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2941                                          struct ath6kl_vif *vif)
2942 {
2943         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
2944
2945         aggr_recv_addba_req_evt(vif, cmd->tid,
2946                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
2947
2948         return 0;
2949 }
2950
2951 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2952                                          struct ath6kl_vif *vif)
2953 {
2954         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
2955
2956         aggr_recv_delba_req_evt(vif, cmd->tid);
2957
2958         return 0;
2959 }
2960
2961 /*  AP mode functions */
2962
2963 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
2964                                  struct wmi_connect_cmd *p)
2965 {
2966         struct sk_buff *skb;
2967         struct wmi_connect_cmd *cm;
2968         int res;
2969
2970         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
2971         if (!skb)
2972                 return -ENOMEM;
2973
2974         cm = (struct wmi_connect_cmd *) skb->data;
2975         memcpy(cm, p, sizeof(*cm));
2976
2977         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
2978                                   NO_SYNC_WMIFLAG);
2979         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: nw_type=%u auth_mode=%u ch=%u "
2980                    "ctrl_flags=0x%x-> res=%d\n",
2981                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
2982                    le32_to_cpu(p->ctrl_flags), res);
2983         return res;
2984 }
2985
2986 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
2987                            u16 reason)
2988 {
2989         struct sk_buff *skb;
2990         struct wmi_ap_set_mlme_cmd *cm;
2991
2992         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
2993         if (!skb)
2994                 return -ENOMEM;
2995
2996         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
2997         memcpy(cm->mac, mac, ETH_ALEN);
2998         cm->reason = cpu_to_le16(reason);
2999         cm->cmd = cmd;
3000
3001         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3002                                    NO_SYNC_WMIFLAG);
3003 }
3004
3005 /* This command will be used to enable/disable AP uAPSD feature */
3006 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3007 {
3008         struct wmi_ap_set_apsd_cmd *cmd;
3009         struct sk_buff *skb;
3010
3011         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3012         if (!skb)
3013                 return -ENOMEM;
3014
3015         cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3016         cmd->enable = enable;
3017
3018         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3019                                    NO_SYNC_WMIFLAG);
3020 }
3021
3022 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3023                                              u16 aid, u16 bitmap, u32 flags)
3024 {
3025         struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3026         struct sk_buff *skb;
3027
3028         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3029         if (!skb)
3030                 return -ENOMEM;
3031
3032         cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3033         cmd->aid = cpu_to_le16(aid);
3034         cmd->bitmap = cpu_to_le16(bitmap);
3035         cmd->flags = cpu_to_le32(flags);
3036
3037         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3038                                    WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3039                                    NO_SYNC_WMIFLAG);
3040 }
3041
3042 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3043                                       struct ath6kl_vif *vif)
3044 {
3045         struct wmi_pspoll_event *ev;
3046
3047         if (len < sizeof(struct wmi_pspoll_event))
3048                 return -EINVAL;
3049
3050         ev = (struct wmi_pspoll_event *) datap;
3051
3052         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3053
3054         return 0;
3055 }
3056
3057 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3058                                           struct ath6kl_vif *vif)
3059 {
3060         ath6kl_dtimexpiry_event(vif);
3061
3062         return 0;
3063 }
3064
3065 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3066                            bool flag)
3067 {
3068         struct sk_buff *skb;
3069         struct wmi_ap_set_pvb_cmd *cmd;
3070         int ret;
3071
3072         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3073         if (!skb)
3074                 return -ENOMEM;
3075
3076         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3077         cmd->aid = cpu_to_le16(aid);
3078         cmd->rsvd = cpu_to_le16(0);
3079         cmd->flag = cpu_to_le32(flag);
3080
3081         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3082                                   NO_SYNC_WMIFLAG);
3083
3084         return 0;
3085 }
3086
3087 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3088                                        u8 rx_meta_ver,
3089                                        bool rx_dot11_hdr, bool defrag_on_host)
3090 {
3091         struct sk_buff *skb;
3092         struct wmi_rx_frame_format_cmd *cmd;
3093         int ret;
3094
3095         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3096         if (!skb)
3097                 return -ENOMEM;
3098
3099         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3100         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3101         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3102         cmd->meta_ver = rx_meta_ver;
3103
3104         /* Delete the local aggr state, on host */
3105         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3106                                   NO_SYNC_WMIFLAG);
3107
3108         return ret;
3109 }
3110
3111 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3112                              const u8 *ie, u8 ie_len)
3113 {
3114         struct sk_buff *skb;
3115         struct wmi_set_appie_cmd *p;
3116
3117         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3118         if (!skb)
3119                 return -ENOMEM;
3120
3121         ath6kl_dbg(ATH6KL_DBG_WMI, "set_appie_cmd: mgmt_frm_type=%u "
3122                    "ie_len=%u\n", mgmt_frm_type, ie_len);
3123         p = (struct wmi_set_appie_cmd *) skb->data;
3124         p->mgmt_frm_type = mgmt_frm_type;
3125         p->ie_len = ie_len;
3126
3127         if (ie != NULL && ie_len > 0)
3128                 memcpy(p->ie_info, ie, ie_len);
3129
3130         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3131                                    NO_SYNC_WMIFLAG);
3132 }
3133
3134 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3135 {
3136         struct sk_buff *skb;
3137         struct wmi_disable_11b_rates_cmd *cmd;
3138
3139         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3140         if (!skb)
3141                 return -ENOMEM;
3142
3143         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3144                    disable);
3145         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3146         cmd->disable = disable ? 1 : 0;
3147
3148         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3149                                    NO_SYNC_WMIFLAG);
3150 }
3151
3152 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3153 {
3154         struct sk_buff *skb;
3155         struct wmi_remain_on_chnl_cmd *p;
3156
3157         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3158         if (!skb)
3159                 return -ENOMEM;
3160
3161         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3162                    freq, dur);
3163         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3164         p->freq = cpu_to_le32(freq);
3165         p->duration = cpu_to_le32(dur);
3166         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3167                                    NO_SYNC_WMIFLAG);
3168 }
3169
3170 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3171  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3172  * mgmt operations using station interface.
3173  */
3174 int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3175                                u32 wait, const u8 *data, u16 data_len)
3176 {
3177         struct sk_buff *skb;
3178         struct wmi_send_action_cmd *p;
3179         u8 *buf;
3180
3181         if (wait)
3182                 return -EINVAL; /* Offload for wait not supported */
3183
3184         buf = kmalloc(data_len, GFP_KERNEL);
3185         if (!buf)
3186                 return -ENOMEM;
3187
3188         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3189         if (!skb) {
3190                 kfree(buf);
3191                 return -ENOMEM;
3192         }
3193
3194         kfree(wmi->last_mgmt_tx_frame);
3195         memcpy(buf, data, data_len);
3196         wmi->last_mgmt_tx_frame = buf;
3197         wmi->last_mgmt_tx_frame_len = data_len;
3198
3199         ath6kl_dbg(ATH6KL_DBG_WMI, "send_action_cmd: id=%u freq=%u wait=%u "
3200                    "len=%u\n", id, freq, wait, data_len);
3201         p = (struct wmi_send_action_cmd *) skb->data;
3202         p->id = cpu_to_le32(id);
3203         p->freq = cpu_to_le32(freq);
3204         p->wait = cpu_to_le32(wait);
3205         p->len = cpu_to_le16(data_len);
3206         memcpy(p->data, data, data_len);
3207         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3208                                    NO_SYNC_WMIFLAG);
3209 }
3210
3211 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3212                                u32 wait, const u8 *data, u16 data_len,
3213                                u32 no_cck)
3214 {
3215         struct sk_buff *skb;
3216         struct wmi_send_mgmt_cmd *p;
3217         u8 *buf;
3218
3219         if (wait)
3220                 return -EINVAL; /* Offload for wait not supported */
3221
3222         buf = kmalloc(data_len, GFP_KERNEL);
3223         if (!buf)
3224                 return -ENOMEM;
3225
3226         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3227         if (!skb) {
3228                 kfree(buf);
3229                 return -ENOMEM;
3230         }
3231
3232         kfree(wmi->last_mgmt_tx_frame);
3233         memcpy(buf, data, data_len);
3234         wmi->last_mgmt_tx_frame = buf;
3235         wmi->last_mgmt_tx_frame_len = data_len;
3236
3237         ath6kl_dbg(ATH6KL_DBG_WMI, "send_action_cmd: id=%u freq=%u wait=%u "
3238                    "len=%u\n", id, freq, wait, data_len);
3239         p = (struct wmi_send_mgmt_cmd *) skb->data;
3240         p->id = cpu_to_le32(id);
3241         p->freq = cpu_to_le32(freq);
3242         p->wait = cpu_to_le32(wait);
3243         p->no_cck = cpu_to_le32(no_cck);
3244         p->len = cpu_to_le16(data_len);
3245         memcpy(p->data, data, data_len);
3246         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3247                                    NO_SYNC_WMIFLAG);
3248 }
3249
3250 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3251                                        const u8 *dst, const u8 *data,
3252                                        u16 data_len)
3253 {
3254         struct sk_buff *skb;
3255         struct wmi_p2p_probe_response_cmd *p;
3256         size_t cmd_len = sizeof(*p) + data_len;
3257
3258         if (data_len == 0)
3259                 cmd_len++; /* work around target minimum length requirement */
3260
3261         skb = ath6kl_wmi_get_new_buf(cmd_len);
3262         if (!skb)
3263                 return -ENOMEM;
3264
3265         ath6kl_dbg(ATH6KL_DBG_WMI, "send_probe_response_cmd: freq=%u dst=%pM "
3266                    "len=%u\n", freq, dst, data_len);
3267         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3268         p->freq = cpu_to_le32(freq);
3269         memcpy(p->destination_addr, dst, ETH_ALEN);
3270         p->len = cpu_to_le16(data_len);
3271         memcpy(p->data, data, data_len);
3272         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3273                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3274                                    NO_SYNC_WMIFLAG);
3275 }
3276
3277 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3278 {
3279         struct sk_buff *skb;
3280         struct wmi_probe_req_report_cmd *p;
3281
3282         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3283         if (!skb)
3284                 return -ENOMEM;
3285
3286         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3287                    enable);
3288         p = (struct wmi_probe_req_report_cmd *) skb->data;
3289         p->enable = enable ? 1 : 0;
3290         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3291                                    NO_SYNC_WMIFLAG);
3292 }
3293
3294 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3295 {
3296         struct sk_buff *skb;
3297         struct wmi_get_p2p_info *p;
3298
3299         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3300         if (!skb)
3301                 return -ENOMEM;
3302
3303         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3304                    info_req_flags);
3305         p = (struct wmi_get_p2p_info *) skb->data;
3306         p->info_req_flags = cpu_to_le32(info_req_flags);
3307         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3308                                    NO_SYNC_WMIFLAG);
3309 }
3310
3311 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3312 {
3313         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3314         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3315                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3316 }
3317
3318 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3319 {
3320         struct wmix_cmd_hdr *cmd;
3321         u32 len;
3322         u16 id;
3323         u8 *datap;
3324         int ret = 0;
3325
3326         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3327                 ath6kl_err("bad packet 1\n");
3328                 return -EINVAL;
3329         }
3330
3331         cmd = (struct wmix_cmd_hdr *) skb->data;
3332         id = le32_to_cpu(cmd->cmd_id);
3333
3334         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3335
3336         datap = skb->data;
3337         len = skb->len;
3338
3339         switch (id) {
3340         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3341                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3342                 break;
3343         case WMIX_DBGLOG_EVENTID:
3344                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3345                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3346                 break;
3347         default:
3348                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3349                 ret = -EINVAL;
3350                 break;
3351         }
3352
3353         return ret;
3354 }
3355
3356 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3357 {
3358         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3359 }
3360
3361 /* Control Path */
3362 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
3363 {
3364         struct wmi_cmd_hdr *cmd;
3365         struct ath6kl_vif *vif;
3366         u32 len;
3367         u16 id;
3368         u8 if_idx;
3369         u8 *datap;
3370         int ret = 0;
3371
3372         if (WARN_ON(skb == NULL))
3373                 return -EINVAL;
3374
3375         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
3376                 ath6kl_err("bad packet 1\n");
3377                 dev_kfree_skb(skb);
3378                 return -EINVAL;
3379         }
3380
3381         cmd = (struct wmi_cmd_hdr *) skb->data;
3382         id = le16_to_cpu(cmd->cmd_id);
3383         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3384
3385         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3386
3387         datap = skb->data;
3388         len = skb->len;
3389
3390         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3391         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3392                         datap, len);
3393
3394         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3395         if (!vif) {
3396                 ath6kl_dbg(ATH6KL_DBG_WMI,
3397                            "Wmi event for unavailable vif, vif_index:%d\n",
3398                             if_idx);
3399                 dev_kfree_skb(skb);
3400                 return -EINVAL;
3401         }
3402
3403         switch (id) {
3404         case WMI_GET_BITRATE_CMDID:
3405                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3406                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3407                 break;
3408         case WMI_GET_CHANNEL_LIST_CMDID:
3409                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3410                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3411                 break;
3412         case WMI_GET_TX_PWR_CMDID:
3413                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3414                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3415                 break;
3416         case WMI_READY_EVENTID:
3417                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3418                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3419                 break;
3420         case WMI_CONNECT_EVENTID:
3421                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3422                 ret = ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3423                 break;
3424         case WMI_DISCONNECT_EVENTID:
3425                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3426                 ret = ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3427                 break;
3428         case WMI_PEER_NODE_EVENTID:
3429                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3430                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
3431                 break;
3432         case WMI_TKIP_MICERR_EVENTID:
3433                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3434                 ret = ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3435                 break;
3436         case WMI_BSSINFO_EVENTID:
3437                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3438                 ret = ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3439                 break;
3440         case WMI_REGDOMAIN_EVENTID:
3441                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
3442                 ath6kl_wmi_regdomain_event(wmi, datap, len);
3443                 break;
3444         case WMI_PSTREAM_TIMEOUT_EVENTID:
3445                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
3446                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
3447                 break;
3448         case WMI_NEIGHBOR_REPORT_EVENTID:
3449                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3450                 ret = ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3451                                                           vif);
3452                 break;
3453         case WMI_SCAN_COMPLETE_EVENTID:
3454                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3455                 ret = ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3456                 break;
3457         case WMI_CMDERROR_EVENTID:
3458                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
3459                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
3460                 break;
3461         case WMI_REPORT_STATISTICS_EVENTID:
3462                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3463                 ret = ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3464                 break;
3465         case WMI_RSSI_THRESHOLD_EVENTID:
3466                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
3467                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
3468                 break;
3469         case WMI_ERROR_REPORT_EVENTID:
3470                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
3471                 break;
3472         case WMI_OPT_RX_FRAME_EVENTID:
3473                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
3474                 /* this event has been deprecated */
3475                 break;
3476         case WMI_REPORT_ROAM_TBL_EVENTID:
3477                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
3478                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
3479                 break;
3480         case WMI_EXTENSION_EVENTID:
3481                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
3482                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
3483                 break;
3484         case WMI_CAC_EVENTID:
3485                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3486                 ret = ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3487                 break;
3488         case WMI_CHANNEL_CHANGE_EVENTID:
3489                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
3490                 break;
3491         case WMI_REPORT_ROAM_DATA_EVENTID:
3492                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
3493                 break;
3494         case WMI_TEST_EVENTID:
3495                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
3496                 ret = ath6kl_wmi_test_rx(wmi, datap, len);
3497                 break;
3498         case WMI_GET_FIXRATES_CMDID:
3499                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
3500                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
3501                 break;
3502         case WMI_TX_RETRY_ERR_EVENTID:
3503                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
3504                 break;
3505         case WMI_SNR_THRESHOLD_EVENTID:
3506                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
3507                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
3508                 break;
3509         case WMI_LQ_THRESHOLD_EVENTID:
3510                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
3511                 break;
3512         case WMI_APLIST_EVENTID:
3513                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
3514                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
3515                 break;
3516         case WMI_GET_KEEPALIVE_CMDID:
3517                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
3518                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
3519                 break;
3520         case WMI_GET_WOW_LIST_EVENTID:
3521                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
3522                 break;
3523         case WMI_GET_PMKID_LIST_EVENTID:
3524                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
3525                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
3526                 break;
3527         case WMI_PSPOLL_EVENTID:
3528                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3529                 ret = ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3530                 break;
3531         case WMI_DTIMEXPIRY_EVENTID:
3532                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3533                 ret = ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3534                 break;
3535         case WMI_SET_PARAMS_REPLY_EVENTID:
3536                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
3537                 break;
3538         case WMI_ADDBA_REQ_EVENTID:
3539                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3540                 ret = ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3541                 break;
3542         case WMI_ADDBA_RESP_EVENTID:
3543                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
3544                 break;
3545         case WMI_DELBA_REQ_EVENTID:
3546                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3547                 ret = ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3548                 break;
3549         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
3550                 ath6kl_dbg(ATH6KL_DBG_WMI,
3551                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
3552                 break;
3553         case WMI_REPORT_BTCOEX_STATS_EVENTID:
3554                 ath6kl_dbg(ATH6KL_DBG_WMI,
3555                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
3556                 break;
3557         case WMI_TX_COMPLETE_EVENTID:
3558                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
3559                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
3560                 break;
3561         case WMI_REMAIN_ON_CHNL_EVENTID:
3562                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3563                 ret = ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3564                 break;
3565         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3566                 ath6kl_dbg(ATH6KL_DBG_WMI,
3567                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3568                 ret = ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3569                                                                 len, vif);
3570                 break;
3571         case WMI_TX_STATUS_EVENTID:
3572                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3573                 ret = ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3574                 break;
3575         case WMI_RX_PROBE_REQ_EVENTID:
3576                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3577                 ret = ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3578                 break;
3579         case WMI_P2P_CAPABILITIES_EVENTID:
3580                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
3581                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
3582                 break;
3583         case WMI_RX_ACTION_EVENTID:
3584                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3585                 ret = ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3586                 break;
3587         case WMI_P2P_INFO_EVENTID:
3588                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
3589                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
3590                 break;
3591         default:
3592                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", id);
3593                 ret = -EINVAL;
3594                 break;
3595         }
3596
3597         dev_kfree_skb(skb);
3598
3599         return ret;
3600 }
3601
3602 void ath6kl_wmi_reset(struct wmi *wmi)
3603 {
3604         spin_lock_bh(&wmi->lock);
3605
3606         wmi->fat_pipe_exist = 0;
3607         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
3608
3609         spin_unlock_bh(&wmi->lock);
3610 }
3611
3612 void *ath6kl_wmi_init(struct ath6kl *dev)
3613 {
3614         struct wmi *wmi;
3615
3616         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
3617         if (!wmi)
3618                 return NULL;
3619
3620         spin_lock_init(&wmi->lock);
3621
3622         wmi->parent_dev = dev;
3623
3624         wmi->pwr_mode = REC_POWER;
3625
3626         ath6kl_wmi_reset(wmi);
3627
3628         return wmi;
3629 }
3630
3631 void ath6kl_wmi_shutdown(struct wmi *wmi)
3632 {
3633         if (!wmi)
3634                 return;
3635
3636         kfree(wmi->last_mgmt_tx_frame);
3637         kfree(wmi);
3638 }