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

   1 /*
   2  * Copyright (c) 2004-2011 Atheros Communications Inc.
   3  * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #include <linux/ip.h>
  19 #include <linux/in.h>
  20 #include "core.h"
  21 #include "debug.h"
  22 #include "testmode.h"
  23 #include "trace.h"
  24 #include "../regd.h"
  25 #include "../regd_common.h"
  26
  27 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
  28
  29 static const s32 wmi_rate_tbl[][2] = {
  30         /* {W/O SGI, with SGI} */
  31         {1000, 1000},
  32         {2000, 2000},
  33         {5500, 5500},
  34         {11000, 11000},
  35         {6000, 6000},
  36         {9000, 9000},
  37         {12000, 12000},
  38         {18000, 18000},
  39         {24000, 24000},
  40         {36000, 36000},
  41         {48000, 48000},
  42         {54000, 54000},
  43         {6500, 7200},
  44         {13000, 14400},
  45         {19500, 21700},
  46         {26000, 28900},
  47         {39000, 43300},
  48         {52000, 57800},
  49         {58500, 65000},
  50         {65000, 72200},
  51         {13500, 15000},
  52         {27000, 30000},
  53         {40500, 45000},
  54         {54000, 60000},
  55         {81000, 90000},
  56         {108000, 120000},
  57         {121500, 135000},
  58         {135000, 150000},
  59         {0, 0}
  60 };
  61
  62 /* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
  63 static const u8 up_to_ac[] = {
  64         WMM_AC_BE,
  65         WMM_AC_BK,
  66         WMM_AC_BK,
  67         WMM_AC_BE,
  68         WMM_AC_VI,
  69         WMM_AC_VI,
  70         WMM_AC_VO,
  71         WMM_AC_VO,
  72 };
  73
  74 void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
  75 {
  76         if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
  77                 return;
  78
  79         wmi->ep_id = ep_id;
  80 }
  81
  82 enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
  83 {
  84         return wmi->ep_id;
  85 }
  86
  87 struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
  88 {
  89         struct ath6kl_vif *vif, *found = NULL;
  90
  91         if (WARN_ON(if_idx > (ar->vif_max - 1)))
  92                 return NULL;
  93
  94         /* FIXME: Locking */
  95         spin_lock_bh(&ar->list_lock);
  96         list_for_each_entry(vif, &ar->vif_list, list) {
  97                 if (vif->fw_vif_idx == if_idx) {
  98                         found = vif;
  99                         break;
 100                 }
 101         }
 102         spin_unlock_bh(&ar->list_lock);
 103
 104         return found;
 105 }
 106
 107 /*  Performs DIX to 802.3 encapsulation for transmit packets.
 108  *  Assumes the entire DIX header is contigous and that there is
 109  *  enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
 110  */
 111 int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
 112 {
 113         struct ath6kl_llc_snap_hdr *llc_hdr;
 114         struct ethhdr *eth_hdr;
 115         size_t new_len;
 116         __be16 type;
 117         u8 *datap;
 118         u16 size;
 119
 120         if (WARN_ON(skb == NULL))
 121                 return -EINVAL;
 122
 123         size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
 124         if (skb_headroom(skb) < size)
 125                 return -ENOMEM;
 126
 127         eth_hdr = (struct ethhdr *) skb->data;
 128         type = eth_hdr->h_proto;
 129
 130         if (!is_ethertype(be16_to_cpu(type))) {
 131                 ath6kl_dbg(ATH6KL_DBG_WMI,
 132                            "%s: pkt is already in 802.3 format\n", __func__);
 133                 return 0;
 134         }
 135
 136         new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
 137
 138         skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
 139         datap = skb->data;
 140
 141         eth_hdr->h_proto = cpu_to_be16(new_len);
 142
 143         memcpy(datap, eth_hdr, sizeof(*eth_hdr));
 144
 145         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
 146         llc_hdr->dsap = 0xAA;
 147         llc_hdr->ssap = 0xAA;
 148         llc_hdr->cntl = 0x03;
 149         llc_hdr->org_code[0] = 0x0;
 150         llc_hdr->org_code[1] = 0x0;
 151         llc_hdr->org_code[2] = 0x0;
 152         llc_hdr->eth_type = type;
 153
 154         return 0;
 155 }
 156
 157 static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
 158                                u8 *version, void *tx_meta_info)
 159 {
 160         struct wmi_tx_meta_v1 *v1;
 161         struct wmi_tx_meta_v2 *v2;
 162
 163         if (WARN_ON(skb == NULL || version == NULL))
 164                 return -EINVAL;
 165
 166         switch (*version) {
 167         case WMI_META_VERSION_1:
 168                 skb_push(skb, WMI_MAX_TX_META_SZ);
 169                 v1 = (struct wmi_tx_meta_v1 *) skb->data;
 170                 v1->pkt_id = 0;
 171                 v1->rate_plcy_id = 0;
 172                 *version = WMI_META_VERSION_1;
 173                 break;
 174         case WMI_META_VERSION_2:
 175                 skb_push(skb, WMI_MAX_TX_META_SZ);
 176                 v2 = (struct wmi_tx_meta_v2 *) skb->data;
 177                 memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
 178                        sizeof(struct wmi_tx_meta_v2));
 179                 break;
 180         }
 181
 182         return 0;
 183 }
 184
 185 int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
 186                             u8 msg_type, u32 flags,
 187                             enum wmi_data_hdr_data_type data_type,
 188                             u8 meta_ver, void *tx_meta_info, u8 if_idx)
 189 {
 190         struct wmi_data_hdr *data_hdr;
 191         int ret;
 192
 193         if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))
 194                 return -EINVAL;
 195
 196         if (tx_meta_info) {
 197                 ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
 198                 if (ret)
 199                         return ret;
 200         }
 201
 202         skb_push(skb, sizeof(struct wmi_data_hdr));
 203
 204         data_hdr = (struct wmi_data_hdr *)skb->data;
 205         memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
 206
 207         data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
 208         data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
 209
 210         if (flags & WMI_DATA_HDR_FLAGS_MORE)
 211                 data_hdr->info |= WMI_DATA_HDR_MORE;
 212
 213         if (flags & WMI_DATA_HDR_FLAGS_EOSP)
 214                 data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);
 215
 216         data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
 217         data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
 218
 219         return 0;
 220 }
 221
 222 u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
 223 {
 224         struct iphdr *ip_hdr = (struct iphdr *) pkt;
 225         u8 ip_pri;
 226
 227         /*
 228          * Determine IPTOS priority
 229          *
 230          * IP-TOS - 8bits
 231          *          : DSCP(6-bits) ECN(2-bits)
 232          *          : DSCP - P2 P1 P0 X X X
 233          * where (P2 P1 P0) form 802.1D
 234          */
 235         ip_pri = ip_hdr->tos >> 5;
 236         ip_pri &= 0x7;
 237
 238         if ((layer2_pri & 0x7) > ip_pri)
 239                 return (u8) layer2_pri & 0x7;
 240         else
 241                 return ip_pri;
 242 }
 243
 244 u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
 245 {
 246         return  up_to_ac[user_priority & 0x7];
 247 }
 248
 249 int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
 250                                        struct sk_buff *skb,
 251                                        u32 layer2_priority, bool wmm_enabled,
 252                                        u8 *ac)
 253 {
 254         struct wmi_data_hdr *data_hdr;
 255         struct ath6kl_llc_snap_hdr *llc_hdr;
 256         struct wmi_create_pstream_cmd cmd;
 257         u32 meta_size, hdr_size;
 258         u16 ip_type = IP_ETHERTYPE;
 259         u8 stream_exist, usr_pri;
 260         u8 traffic_class = WMM_AC_BE;
 261         u8 *datap;
 262
 263         if (WARN_ON(skb == NULL))
 264                 return -EINVAL;
 265
 266         datap = skb->data;
 267         data_hdr = (struct wmi_data_hdr *) datap;
 268
 269         meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
 270                      WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
 271
 272         if (!wmm_enabled) {
 273                 /* If WMM is disabled all traffic goes as BE traffic */
 274                 usr_pri = 0;
 275         } else {
 276                 hdr_size = sizeof(struct ethhdr);
 277
 278                 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
 279                                                          sizeof(struct
 280                                                                 wmi_data_hdr) +
 281                                                          meta_size + hdr_size);
 282
 283                 if (llc_hdr->eth_type == htons(ip_type)) {
 284                         /*
 285                          * Extract the endpoint info from the TOS field
 286                          * in the IP header.
 287                          */
 288                         usr_pri =
 289                            ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
 290                                         sizeof(struct ath6kl_llc_snap_hdr),
 291                                         layer2_priority);
 292                 } else {
 293                         usr_pri = layer2_priority & 0x7;
 294                 }
 295
 296                 /*
 297                  * Queue the EAPOL frames in the same WMM_AC_VO queue
 298                  * as that of management frames.
 299                  */
 300                 if (skb->protocol == cpu_to_be16(ETH_P_PAE))
 301                         usr_pri = WMI_VOICE_USER_PRIORITY;
 302         }
 303
 304         /*
 305          * workaround for WMM S5
 306          *
 307          * FIXME: wmi->traffic_class is always 100 so this test doesn't
 308          * make sense
 309          */
 310         if ((wmi->traffic_class == WMM_AC_VI) &&
 311             ((usr_pri == 5) || (usr_pri == 4)))
 312                 usr_pri = 1;
 313
 314         /* Convert user priority to traffic class */
 315         traffic_class = up_to_ac[usr_pri & 0x7];
 316
 317         wmi_data_hdr_set_up(data_hdr, usr_pri);
 318
 319         spin_lock_bh(&wmi->lock);
 320         stream_exist = wmi->fat_pipe_exist;
 321         spin_unlock_bh(&wmi->lock);
 322
 323         if (!(stream_exist & (1 << traffic_class))) {
 324                 memset(&cmd, 0, sizeof(cmd));
 325                 cmd.traffic_class = traffic_class;
 326                 cmd.user_pri = usr_pri;
 327                 cmd.inactivity_int =
 328                         cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
 329                 /* Implicit streams are created with TSID 0xFF */
 330                 cmd.tsid = WMI_IMPLICIT_PSTREAM;
 331                 ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
 332         }
 333
 334         *ac = traffic_class;
 335
 336         return 0;
 337 }
 338
 339 int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
 340 {
 341         struct ieee80211_hdr_3addr *pwh, wh;
 342         struct ath6kl_llc_snap_hdr *llc_hdr;
 343         struct ethhdr eth_hdr;
 344         u32 hdr_size;
 345         u8 *datap;
 346         __le16 sub_type;
 347
 348         if (WARN_ON(skb == NULL))
 349                 return -EINVAL;
 350
 351         datap = skb->data;
 352         pwh = (struct ieee80211_hdr_3addr *) datap;
 353
 354         sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
 355
 356         memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
 357
 358         /* Strip off the 802.11 header */
 359         if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
 360                 hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
 361                                    sizeof(u32));
 362                 skb_pull(skb, hdr_size);
 363         } else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA)) {
 364                 skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
 365         }
 366
 367         datap = skb->data;
 368         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
 369
 370         memset(&eth_hdr, 0, sizeof(eth_hdr));
 371         eth_hdr.h_proto = llc_hdr->eth_type;
 372
 373         switch ((le16_to_cpu(wh.frame_control)) &
 374                 (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
 375         case 0:
 376                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 377                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 378                 break;
 379         case IEEE80211_FCTL_TODS:
 380                 memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
 381                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 382                 break;
 383         case IEEE80211_FCTL_FROMDS:
 384                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 385                 memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
 386                 break;
 387         case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
 388                 break;
 389         }
 390
 391         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 392         skb_push(skb, sizeof(eth_hdr));
 393
 394         datap = skb->data;
 395
 396         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 397
 398         return 0;
 399 }
 400
 401 /*
 402  * Performs 802.3 to DIX encapsulation for received packets.
 403  * Assumes the entire 802.3 header is contigous.
 404  */
 405 int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
 406 {
 407         struct ath6kl_llc_snap_hdr *llc_hdr;
 408         struct ethhdr eth_hdr;
 409         u8 *datap;
 410
 411         if (WARN_ON(skb == NULL))
 412                 return -EINVAL;
 413
 414         datap = skb->data;
 415
 416         memcpy(&eth_hdr, datap, sizeof(eth_hdr));
 417
 418         llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
 419         eth_hdr.h_proto = llc_hdr->eth_type;
 420
 421         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 422         datap = skb->data;
 423
 424         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 425
 426         return 0;
 427 }
 428
 429 static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
 430 {
 431         struct tx_complete_msg_v1 *msg_v1;
 432         struct wmi_tx_complete_event *evt;
 433         int index;
 434         u16 size;
 435
 436         evt = (struct wmi_tx_complete_event *) datap;
 437
 438         ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
 439                    evt->num_msg, evt->msg_len, evt->msg_type);
 440
 441         for (index = 0; index < evt->num_msg; index++) {
 442                 size = sizeof(struct wmi_tx_complete_event) +
 443                     (index * sizeof(struct tx_complete_msg_v1));
 444                 msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
 445
 446                 ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
 447                            msg_v1->status, msg_v1->pkt_id,
 448                            msg_v1->rate_idx, msg_v1->ack_failures);
 449         }
 450
 451         return 0;
 452 }
 453
 454 static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
 455                                               int len, struct ath6kl_vif *vif)
 456 {
 457         struct wmi_remain_on_chnl_event *ev;
 458         u32 freq;
 459         u32 dur;
 460         struct ieee80211_channel *chan;
 461         struct ath6kl *ar = wmi->parent_dev;
 462         u32 id;
 463
 464         if (len < sizeof(*ev))
 465                 return -EINVAL;
 466
 467         ev = (struct wmi_remain_on_chnl_event *) datap;
 468         freq = le32_to_cpu(ev->freq);
 469         dur = le32_to_cpu(ev->duration);
 470         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
 471                    freq, dur);
 472         chan = ieee80211_get_channel(ar->wiphy, freq);
 473         if (!chan) {
 474                 ath6kl_dbg(ATH6KL_DBG_WMI,
 475                            "remain_on_chnl: Unknown channel (freq=%u)\n",
 476                            freq);
 477                 return -EINVAL;
 478         }
 479         id = vif->last_roc_id;
 480         cfg80211_ready_on_channel(&vif->wdev, id, chan,
 481                                   dur, GFP_ATOMIC);
 482
 483         return 0;
 484 }
 485
 486 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
 487                                                      u8 *datap, int len,
 488                                                      struct ath6kl_vif *vif)
 489 {
 490         struct wmi_cancel_remain_on_chnl_event *ev;
 491         u32 freq;
 492         u32 dur;
 493         struct ieee80211_channel *chan;
 494         struct ath6kl *ar = wmi->parent_dev;
 495         u32 id;
 496
 497         if (len < sizeof(*ev))
 498                 return -EINVAL;
 499
 500         ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
 501         freq = le32_to_cpu(ev->freq);
 502         dur = le32_to_cpu(ev->duration);
 503         ath6kl_dbg(ATH6KL_DBG_WMI,
 504                    "cancel_remain_on_chnl: freq=%u dur=%u status=%u\n",
 505                    freq, dur, ev->status);
 506         chan = ieee80211_get_channel(ar->wiphy, freq);
 507         if (!chan) {
 508                 ath6kl_dbg(ATH6KL_DBG_WMI,
 509                            "cancel_remain_on_chnl: Unknown channel (freq=%u)\n",
 510                            freq);
 511                 return -EINVAL;
 512         }
 513         if (vif->last_cancel_roc_id &&
 514             vif->last_cancel_roc_id + 1 == vif->last_roc_id)
 515                 id = vif->last_cancel_roc_id; /* event for cancel command */
 516         else
 517                 id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
 518         vif->last_cancel_roc_id = 0;
 519         cfg80211_remain_on_channel_expired(&vif->wdev, id, chan, GFP_ATOMIC);
 520
 521         return 0;
 522 }
 523
 524 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
 525                                          struct ath6kl_vif *vif)
 526 {
 527         struct wmi_tx_status_event *ev;
 528         u32 id;
 529
 530         if (len < sizeof(*ev))
 531                 return -EINVAL;
 532
 533         ev = (struct wmi_tx_status_event *) datap;
 534         id = le32_to_cpu(ev->id);
 535         ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
 536                    id, ev->ack_status);
 537         if (wmi->last_mgmt_tx_frame) {
 538                 cfg80211_mgmt_tx_status(&vif->wdev, id,
 539                                         wmi->last_mgmt_tx_frame,
 540                                         wmi->last_mgmt_tx_frame_len,
 541                                         !!ev->ack_status, GFP_ATOMIC);
 542                 kfree(wmi->last_mgmt_tx_frame);
 543                 wmi->last_mgmt_tx_frame = NULL;
 544                 wmi->last_mgmt_tx_frame_len = 0;
 545         }
 546
 547         return 0;
 548 }
 549
 550 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
 551                                             struct ath6kl_vif *vif)
 552 {
 553         struct wmi_p2p_rx_probe_req_event *ev;
 554         u32 freq;
 555         u16 dlen;
 556
 557         if (len < sizeof(*ev))
 558                 return -EINVAL;
 559
 560         ev = (struct wmi_p2p_rx_probe_req_event *) datap;
 561         freq = le32_to_cpu(ev->freq);
 562         dlen = le16_to_cpu(ev->len);
 563         if (datap + len < ev->data + dlen) {
 564                 ath6kl_err("invalid wmi_p2p_rx_probe_req_event: len=%d dlen=%u\n",
 565                            len, dlen);
 566                 return -EINVAL;
 567         }
 568         ath6kl_dbg(ATH6KL_DBG_WMI,
 569                    "rx_probe_req: len=%u freq=%u probe_req_report=%d\n",
 570                    dlen, freq, vif->probe_req_report);
 571
 572         if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
 573                 cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0,
 574                                  GFP_ATOMIC);
 575
 576         return 0;
 577 }
 578
 579 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
 580 {
 581         struct wmi_p2p_capabilities_event *ev;
 582         u16 dlen;
 583
 584         if (len < sizeof(*ev))
 585                 return -EINVAL;
 586
 587         ev = (struct wmi_p2p_capabilities_event *) datap;
 588         dlen = le16_to_cpu(ev->len);
 589         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
 590
 591         return 0;
 592 }
 593
 594 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 595                                          struct ath6kl_vif *vif)
 596 {
 597         struct wmi_rx_action_event *ev;
 598         u32 freq;
 599         u16 dlen;
 600
 601         if (len < sizeof(*ev))
 602                 return -EINVAL;
 603
 604         ev = (struct wmi_rx_action_event *) datap;
 605         freq = le32_to_cpu(ev->freq);
 606         dlen = le16_to_cpu(ev->len);
 607         if (datap + len < ev->data + dlen) {
 608                 ath6kl_err("invalid wmi_rx_action_event: len=%d dlen=%u\n",
 609                            len, dlen);
 610                 return -EINVAL;
 611         }
 612         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
 613         cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0, GFP_ATOMIC);
 614
 615         return 0;
 616 }
 617
 618 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
 619 {
 620         struct wmi_p2p_info_event *ev;
 621         u32 flags;
 622         u16 dlen;
 623
 624         if (len < sizeof(*ev))
 625                 return -EINVAL;
 626
 627         ev = (struct wmi_p2p_info_event *) datap;
 628         flags = le32_to_cpu(ev->info_req_flags);
 629         dlen = le16_to_cpu(ev->len);
 630         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
 631
 632         if (flags & P2P_FLAG_CAPABILITIES_REQ) {
 633                 struct wmi_p2p_capabilities *cap;
 634                 if (dlen < sizeof(*cap))
 635                         return -EINVAL;
 636                 cap = (struct wmi_p2p_capabilities *) ev->data;
 637                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
 638                            cap->go_power_save);
 639         }
 640
 641         if (flags & P2P_FLAG_MACADDR_REQ) {
 642                 struct wmi_p2p_macaddr *mac;
 643                 if (dlen < sizeof(*mac))
 644                         return -EINVAL;
 645                 mac = (struct wmi_p2p_macaddr *) ev->data;
 646                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
 647                            mac->mac_addr);
 648         }
 649
 650         if (flags & P2P_FLAG_HMODEL_REQ) {
 651                 struct wmi_p2p_hmodel *mod;
 652                 if (dlen < sizeof(*mod))
 653                         return -EINVAL;
 654                 mod = (struct wmi_p2p_hmodel *) ev->data;
 655                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
 656                            mod->p2p_model,
 657                            mod->p2p_model ? "host" : "firmware");
 658         }
 659         return 0;
 660 }
 661
 662 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
 663 {
 664         struct sk_buff *skb;
 665
 666         skb = ath6kl_buf_alloc(size);
 667         if (!skb)
 668                 return NULL;
 669
 670         skb_put(skb, size);
 671         if (size)
 672                 memset(skb->data, 0, size);
 673
 674         return skb;
 675 }
 676
 677 /* Send a "simple" wmi command -- one with no arguments */
 678 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
 679                                  enum wmi_cmd_id cmd_id)
 680 {
 681         struct sk_buff *skb;
 682         int ret;
 683
 684         skb = ath6kl_wmi_get_new_buf(0);
 685         if (!skb)
 686                 return -ENOMEM;
 687
 688         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
 689
 690         return ret;
 691 }
 692
 693 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
 694 {
 695         struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
 696
 697         if (len < sizeof(struct wmi_ready_event_2))
 698                 return -EINVAL;
 699
 700         ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
 701                            le32_to_cpu(ev->sw_version),
 702                            le32_to_cpu(ev->abi_version), ev->phy_cap);
 703
 704         return 0;
 705 }
 706
 707 /*
 708  * Mechanism to modify the roaming behavior in the firmware. The lower rssi
 709  * at which the station has to roam can be passed with
 710  * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
 711  * in dBm.
 712  */
 713 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
 714 {
 715         struct sk_buff *skb;
 716         struct roam_ctrl_cmd *cmd;
 717
 718         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 719         if (!skb)
 720                 return -ENOMEM;
 721
 722         cmd = (struct roam_ctrl_cmd *) skb->data;
 723
 724         cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
 725         cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
 726                                                        DEF_SCAN_FOR_ROAM_INTVL);
 727         cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
 728         cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
 729         cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
 730
 731         ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 732                             NO_SYNC_WMIFLAG);
 733
 734         return 0;
 735 }
 736
 737 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
 738 {
 739         struct sk_buff *skb;
 740         struct roam_ctrl_cmd *cmd;
 741
 742         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 743         if (!skb)
 744                 return -ENOMEM;
 745
 746         cmd = (struct roam_ctrl_cmd *) skb->data;
 747
 748         memcpy(cmd->info.bssid, bssid, ETH_ALEN);
 749         cmd->roam_ctrl = WMI_FORCE_ROAM;
 750
 751         ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
 752         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 753                                    NO_SYNC_WMIFLAG);
 754 }
 755
 756 int ath6kl_wmi_ap_set_beacon_intvl_cmd(struct wmi *wmi, u8 if_idx,
 757                                        u32 beacon_intvl)
 758 {
 759         struct sk_buff *skb;
 760         struct set_beacon_int_cmd *cmd;
 761
 762         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 763         if (!skb)
 764                 return -ENOMEM;
 765
 766         cmd = (struct set_beacon_int_cmd *) skb->data;
 767
 768         cmd->beacon_intvl = cpu_to_le32(beacon_intvl);
 769         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 770                                    WMI_SET_BEACON_INT_CMDID, NO_SYNC_WMIFLAG);
 771 }
 772
 773 int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period)
 774 {
 775         struct sk_buff *skb;
 776         struct set_dtim_cmd *cmd;
 777
 778         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 779         if (!skb)
 780                 return -ENOMEM;
 781
 782         cmd = (struct set_dtim_cmd *) skb->data;
 783
 784         cmd->dtim_period = cpu_to_le32(dtim_period);
 785         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 786                                    WMI_AP_SET_DTIM_CMDID, NO_SYNC_WMIFLAG);
 787 }
 788
 789 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 790 {
 791         struct sk_buff *skb;
 792         struct roam_ctrl_cmd *cmd;
 793
 794         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 795         if (!skb)
 796                 return -ENOMEM;
 797
 798         cmd = (struct roam_ctrl_cmd *) skb->data;
 799
 800         cmd->info.roam_mode = mode;
 801         cmd->roam_ctrl = WMI_SET_ROAM_MODE;
 802
 803         ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
 804         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 805                                    NO_SYNC_WMIFLAG);
 806 }
 807
 808 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
 809                                        struct ath6kl_vif *vif)
 810 {
 811         struct wmi_connect_event *ev;
 812         u8 *pie, *peie;
 813
 814         if (len < sizeof(struct wmi_connect_event))
 815                 return -EINVAL;
 816
 817         ev = (struct wmi_connect_event *) datap;
 818
 819         if (vif->nw_type == AP_NETWORK) {
 820                 /* AP mode start/STA connected event */
 821                 struct net_device *dev = vif->ndev;
 822                 if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
 823                         ath6kl_dbg(ATH6KL_DBG_WMI,
 824                                    "%s: freq %d bssid %pM (AP started)\n",
 825                                    __func__, le16_to_cpu(ev->u.ap_bss.ch),
 826                                    ev->u.ap_bss.bssid);
 827                         ath6kl_connect_ap_mode_bss(
 828                                 vif, le16_to_cpu(ev->u.ap_bss.ch));
 829                 } else {
 830                         ath6kl_dbg(ATH6KL_DBG_WMI,
 831                                    "%s: aid %u mac_addr %pM auth=%u keymgmt=%u cipher=%u apsd_info=%u (STA connected)\n",
 832                                    __func__, ev->u.ap_sta.aid,
 833                                    ev->u.ap_sta.mac_addr,
 834                                    ev->u.ap_sta.auth,
 835                                    ev->u.ap_sta.keymgmt,
 836                                    le16_to_cpu(ev->u.ap_sta.cipher),
 837                                    ev->u.ap_sta.apsd_info);
 838
 839                         ath6kl_connect_ap_mode_sta(
 840                                 vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
 841                                 ev->u.ap_sta.keymgmt,
 842                                 le16_to_cpu(ev->u.ap_sta.cipher),
 843                                 ev->u.ap_sta.auth, ev->assoc_req_len,
 844                                 ev->assoc_info + ev->beacon_ie_len,
 845                                 ev->u.ap_sta.apsd_info);
 846                 }
 847                 return 0;
 848         }
 849
 850         /* STA/IBSS mode connection event */
 851
 852         ath6kl_dbg(ATH6KL_DBG_WMI,
 853                    "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
 854                    le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
 855                    le16_to_cpu(ev->u.sta.listen_intvl),
 856                    le16_to_cpu(ev->u.sta.beacon_intvl),
 857                    le32_to_cpu(ev->u.sta.nw_type));
 858
 859         /* Start of assoc rsp IEs */
 860         pie = ev->assoc_info + ev->beacon_ie_len +
 861               ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
 862
 863         /* End of assoc rsp IEs */
 864         peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
 865             ev->assoc_resp_len;
 866
 867         while (pie < peie) {
 868                 switch (*pie) {
 869                 case WLAN_EID_VENDOR_SPECIFIC:
 870                         if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
 871                             pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
 872                                 /* WMM OUT (00:50:F2) */
 873                                 if (pie[1] > 5 &&
 874                                     pie[6] == WMM_PARAM_OUI_SUBTYPE)
 875                                         wmi->is_wmm_enabled = true;
 876                         }
 877                         break;
 878                 }
 879
 880                 if (wmi->is_wmm_enabled)
 881                         break;
 882
 883                 pie += pie[1] + 2;
 884         }
 885
 886         ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
 887                              ev->u.sta.bssid,
 888                              le16_to_cpu(ev->u.sta.listen_intvl),
 889                              le16_to_cpu(ev->u.sta.beacon_intvl),
 890                              le32_to_cpu(ev->u.sta.nw_type),
 891                              ev->beacon_ie_len, ev->assoc_req_len,
 892                              ev->assoc_resp_len, ev->assoc_info);
 893
 894         return 0;
 895 }
 896
 897 static struct country_code_to_enum_rd *
 898 ath6kl_regd_find_country(u16 countryCode)
 899 {
 900         int i;
 901
 902         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 903                 if (allCountries[i].countryCode == countryCode)
 904                         return &allCountries[i];
 905         }
 906
 907         return NULL;
 908 }
 909
 910 static struct reg_dmn_pair_mapping *
 911 ath6kl_get_regpair(u16 regdmn)
 912 {
 913         int i;
 914
 915         if (regdmn == NO_ENUMRD)
 916                 return NULL;
 917
 918         for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
 919                 if (regDomainPairs[i].reg_domain == regdmn)
 920                         return &regDomainPairs[i];
 921         }
 922
 923         return NULL;
 924 }
 925
 926 static struct country_code_to_enum_rd *
 927 ath6kl_regd_find_country_by_rd(u16 regdmn)
 928 {
 929         int i;
 930
 931         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 932                 if (allCountries[i].regDmnEnum == regdmn)
 933                         return &allCountries[i];
 934         }
 935
 936         return NULL;
 937 }
 938
 939 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 940 {
 941         struct ath6kl_wmi_regdomain *ev;
 942         struct country_code_to_enum_rd *country = NULL;
 943         struct reg_dmn_pair_mapping *regpair = NULL;
 944         char alpha2[2];
 945         u32 reg_code;
 946
 947         ev = (struct ath6kl_wmi_regdomain *) datap;
 948         reg_code = le32_to_cpu(ev->reg_code);
 949
 950         if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG) {
 951                 country = ath6kl_regd_find_country((u16) reg_code);
 952         } else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
 953                 regpair = ath6kl_get_regpair((u16) reg_code);
 954                 country = ath6kl_regd_find_country_by_rd((u16) reg_code);
 955                 if (regpair)
 956                         ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
 957                                    regpair->reg_domain);
 958                 else
 959                         ath6kl_warn("Regpair not found reg_code 0x%0x\n",
 960                                     reg_code);
 961         }
 962
 963         if (country && wmi->parent_dev->wiphy_registered) {
 964                 alpha2[0] = country->isoName[0];
 965                 alpha2[1] = country->isoName[1];
 966
 967                 regulatory_hint(wmi->parent_dev->wiphy, alpha2);
 968
 969                 ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
 970                            alpha2[0], alpha2[1]);
 971         }
 972 }
 973
 974 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
 975                                           struct ath6kl_vif *vif)
 976 {
 977         struct wmi_disconnect_event *ev;
 978         wmi->traffic_class = 100;
 979
 980         if (len < sizeof(struct wmi_disconnect_event))
 981                 return -EINVAL;
 982
 983         ev = (struct wmi_disconnect_event *) datap;
 984
 985         ath6kl_dbg(ATH6KL_DBG_WMI,
 986                    "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
 987                    le16_to_cpu(ev->proto_reason_status), ev->bssid,
 988                    ev->disconn_reason, ev->assoc_resp_len);
 989
 990         wmi->is_wmm_enabled = false;
 991
 992         ath6kl_disconnect_event(vif, ev->disconn_reason,
 993                                 ev->bssid, ev->assoc_resp_len, ev->assoc_info,
 994                                 le16_to_cpu(ev->proto_reason_status));
 995
 996         return 0;
 997 }
 998
 999 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
1000 {
1001         struct wmi_peer_node_event *ev;
1002
1003         if (len < sizeof(struct wmi_peer_node_event))
1004                 return -EINVAL;
1005
1006         ev = (struct wmi_peer_node_event *) datap;
1007
1008         if (ev->event_code == PEER_NODE_JOIN_EVENT)
1009                 ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
1010                            ev->peer_mac_addr);
1011         else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
1012                 ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
1013                            ev->peer_mac_addr);
1014
1015         return 0;
1016 }
1017
1018 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
1019                                            struct ath6kl_vif *vif)
1020 {
1021         struct wmi_tkip_micerr_event *ev;
1022
1023         if (len < sizeof(struct wmi_tkip_micerr_event))
1024                 return -EINVAL;
1025
1026         ev = (struct wmi_tkip_micerr_event *) datap;
1027
1028         ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
1029
1030         return 0;
1031 }
1032
1033 void ath6kl_wmi_sscan_timer(unsigned long ptr)
1034 {
1035         struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
1036
1037         cfg80211_sched_scan_results(vif->ar->wiphy);
1038 }
1039
1040 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
1041                                        struct ath6kl_vif *vif)
1042 {
1043         struct wmi_bss_info_hdr2 *bih;
1044         u8 *buf;
1045         struct ieee80211_channel *channel;
1046         struct ath6kl *ar = wmi->parent_dev;
1047         struct ieee80211_mgmt *mgmt;
1048         struct cfg80211_bss *bss;
1049
1050         if (len <= sizeof(struct wmi_bss_info_hdr2))
1051                 return -EINVAL;
1052
1053         bih = (struct wmi_bss_info_hdr2 *) datap;
1054         buf = datap + sizeof(struct wmi_bss_info_hdr2);
1055         len -= sizeof(struct wmi_bss_info_hdr2);
1056
1057         ath6kl_dbg(ATH6KL_DBG_WMI,
1058                    "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1059                    "frame_type=%d\n",
1060                    bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1061                    bih->frame_type);
1062
1063         if (bih->frame_type != BEACON_FTYPE &&
1064             bih->frame_type != PROBERESP_FTYPE)
1065                 return 0; /* Only update BSS table for now */
1066
1067         if (bih->frame_type == BEACON_FTYPE &&
1068             test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1069                 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1070                 ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1071                                          NONE_BSS_FILTER, 0);
1072         }
1073
1074         channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1075         if (channel == NULL)
1076                 return -EINVAL;
1077
1078         if (len < 8 + 2 + 2)
1079                 return -EINVAL;
1080
1081         if (bih->frame_type == BEACON_FTYPE &&
1082             test_bit(CONNECTED, &vif->flags) &&
1083             memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1084                 const u8 *tim;
1085                 tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1086                                        len - 8 - 2 - 2);
1087                 if (tim && tim[1] >= 2) {
1088                         vif->assoc_bss_dtim_period = tim[3];
1089                         set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1090                 }
1091         }
1092
1093         /*
1094          * In theory, use of cfg80211_inform_bss() would be more natural here
1095          * since we do not have the full frame. However, at least for now,
1096          * cfg80211 can only distinguish Beacon and Probe Response frames from
1097          * each other when using cfg80211_inform_bss_frame(), so let's build a
1098          * fake IEEE 802.11 header to be able to take benefit of this.
1099          */
1100         mgmt = kmalloc(24 + len, GFP_ATOMIC);
1101         if (mgmt == NULL)
1102                 return -EINVAL;
1103
1104         if (bih->frame_type == BEACON_FTYPE) {
1105                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1106                                                   IEEE80211_STYPE_BEACON);
1107                 memset(mgmt->da, 0xff, ETH_ALEN);
1108         } else {
1109                 struct net_device *dev = vif->ndev;
1110
1111                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1112                                                   IEEE80211_STYPE_PROBE_RESP);
1113                 memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
1114         }
1115         mgmt->duration = cpu_to_le16(0);
1116         memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
1117         memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
1118         mgmt->seq_ctrl = cpu_to_le16(0);
1119
1120         memcpy(&mgmt->u.beacon, buf, len);
1121
1122         bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
1123                                         24 + len, (bih->snr - 95) * 100,
1124                                         GFP_ATOMIC);
1125         kfree(mgmt);
1126         if (bss == NULL)
1127                 return -ENOMEM;
1128         cfg80211_put_bss(ar->wiphy, bss);
1129
1130         /*
1131          * Firmware doesn't return any event when scheduled scan has
1132          * finished, so we need to use a timer to find out when there are
1133          * no more results.
1134          *
1135          * The timer is started from the first bss info received, otherwise
1136          * the timer would not ever fire if the scan interval is short
1137          * enough.
1138          */
1139         if (test_bit(SCHED_SCANNING, &vif->flags) &&
1140             !timer_pending(&vif->sched_scan_timer)) {
1141                 mod_timer(&vif->sched_scan_timer, jiffies +
1142                           msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1143         }
1144
1145         return 0;
1146 }
1147
1148 /* Inactivity timeout of a fatpipe(pstream) at the target */
1149 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1150                                                int len)
1151 {
1152         struct wmi_pstream_timeout_event *ev;
1153
1154         if (len < sizeof(struct wmi_pstream_timeout_event))
1155                 return -EINVAL;
1156
1157         ev = (struct wmi_pstream_timeout_event *) datap;
1158
1159         /*
1160          * When the pstream (fat pipe == AC) timesout, it means there were
1161          * no thinStreams within this pstream & it got implicitly created
1162          * due to data flow on this AC. We start the inactivity timer only
1163          * for implicitly created pstream. Just reset the host state.
1164          */
1165         spin_lock_bh(&wmi->lock);
1166         wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1167         wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1168         spin_unlock_bh(&wmi->lock);
1169
1170         /* Indicate inactivity to driver layer for this fatpipe (pstream) */
1171         ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1172
1173         return 0;
1174 }
1175
1176 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1177 {
1178         struct wmi_bit_rate_reply *reply;
1179         s32 rate;
1180         u32 sgi, index;
1181
1182         if (len < sizeof(struct wmi_bit_rate_reply))
1183                 return -EINVAL;
1184
1185         reply = (struct wmi_bit_rate_reply *) datap;
1186
1187         ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1188
1189         if (reply->rate_index == (s8) RATE_AUTO) {
1190                 rate = RATE_AUTO;
1191         } else {
1192                 index = reply->rate_index & 0x7f;
1193                 if (WARN_ON_ONCE(index > (RATE_MCS_7_40 + 1)))
1194                         return -EINVAL;
1195
1196                 sgi = (reply->rate_index & 0x80) ? 1 : 0;
1197                 rate = wmi_rate_tbl[index][sgi];
1198         }
1199
1200         ath6kl_wakeup_event(wmi->parent_dev);
1201
1202         return 0;
1203 }
1204
1205 static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1206 {
1207         ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1208
1209         return 0;
1210 }
1211
1212 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1213 {
1214         if (len < sizeof(struct wmi_fix_rates_reply))
1215                 return -EINVAL;
1216
1217         ath6kl_wakeup_event(wmi->parent_dev);
1218
1219         return 0;
1220 }
1221
1222 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1223 {
1224         if (len < sizeof(struct wmi_channel_list_reply))
1225                 return -EINVAL;
1226
1227         ath6kl_wakeup_event(wmi->parent_dev);
1228
1229         return 0;
1230 }
1231
1232 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1233 {
1234         struct wmi_tx_pwr_reply *reply;
1235
1236         if (len < sizeof(struct wmi_tx_pwr_reply))
1237                 return -EINVAL;
1238
1239         reply = (struct wmi_tx_pwr_reply *) datap;
1240         ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1241
1242         return 0;
1243 }
1244
1245 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1246 {
1247         if (len < sizeof(struct wmi_get_keepalive_cmd))
1248                 return -EINVAL;
1249
1250         ath6kl_wakeup_event(wmi->parent_dev);
1251
1252         return 0;
1253 }
1254
1255 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1256                                        struct ath6kl_vif *vif)
1257 {
1258         struct wmi_scan_complete_event *ev;
1259
1260         ev = (struct wmi_scan_complete_event *) datap;
1261
1262         ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1263         wmi->is_probe_ssid = false;
1264
1265         return 0;
1266 }
1267
1268 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1269                                                int len, struct ath6kl_vif *vif)
1270 {
1271         struct wmi_neighbor_report_event *ev;
1272         u8 i;
1273
1274         if (len < sizeof(*ev))
1275                 return -EINVAL;
1276         ev = (struct wmi_neighbor_report_event *) datap;
1277         if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1278             > len) {
1279                 ath6kl_dbg(ATH6KL_DBG_WMI,
1280                            "truncated neighbor event (num=%d len=%d)\n",
1281                            ev->num_neighbors, len);
1282                 return -EINVAL;
1283         }
1284         for (i = 0; i < ev->num_neighbors; i++) {
1285                 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1286                            i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1287                            ev->neighbor[i].bss_flags);
1288                 cfg80211_pmksa_candidate_notify(vif->ndev, i,
1289                                                 ev->neighbor[i].bssid,
1290                                                 !!(ev->neighbor[i].bss_flags &
1291                                                    WMI_PREAUTH_CAPABLE_BSS),
1292                                                 GFP_ATOMIC);
1293         }
1294
1295         return 0;
1296 }
1297
1298 /*
1299  * Target is reporting a programming error.  This is for
1300  * developer aid only.  Target only checks a few common violations
1301  * and it is responsibility of host to do all error checking.
1302  * Behavior of target after wmi error event is undefined.
1303  * A reset is recommended.
1304  */
1305 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1306 {
1307         const char *type = "unknown error";
1308         struct wmi_cmd_error_event *ev;
1309         ev = (struct wmi_cmd_error_event *) datap;
1310
1311         switch (ev->err_code) {
1312         case INVALID_PARAM:
1313                 type = "invalid parameter";
1314                 break;
1315         case ILLEGAL_STATE:
1316                 type = "invalid state";
1317                 break;
1318         case INTERNAL_ERROR:
1319                 type = "internal error";
1320                 break;
1321         }
1322
1323         ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1324                    ev->cmd_id, type);
1325
1326         return 0;
1327 }
1328
1329 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1330                                      struct ath6kl_vif *vif)
1331 {
1332         ath6kl_tgt_stats_event(vif, datap, len);
1333
1334         return 0;
1335 }
1336
1337 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1338                                          struct sq_threshold_params *sq_thresh,
1339                                          u32 size)
1340 {
1341         u32 index;
1342         u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1343
1344         /* The list is already in sorted order. Get the next lower value */
1345         for (index = 0; index < size; index++) {
1346                 if (rssi < sq_thresh->upper_threshold[index]) {
1347                         threshold = (u8) sq_thresh->upper_threshold[index];
1348                         break;
1349                 }
1350         }
1351
1352         return threshold;
1353 }
1354
1355 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1356                                          struct sq_threshold_params *sq_thresh,
1357                                          u32 size)
1358 {
1359         u32 index;
1360         u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1361
1362         /* The list is already in sorted order. Get the next lower value */
1363         for (index = 0; index < size; index++) {
1364                 if (rssi > sq_thresh->lower_threshold[index]) {
1365                         threshold = (u8) sq_thresh->lower_threshold[index];
1366                         break;
1367                 }
1368         }
1369
1370         return threshold;
1371 }
1372
1373 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1374                         struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1375 {
1376         struct sk_buff *skb;
1377         struct wmi_rssi_threshold_params_cmd *cmd;
1378
1379         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1380         if (!skb)
1381                 return -ENOMEM;
1382
1383         cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1384         memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1385
1386         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1387                                    NO_SYNC_WMIFLAG);
1388 }
1389
1390 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1391                                               int len)
1392 {
1393         struct wmi_rssi_threshold_event *reply;
1394         struct wmi_rssi_threshold_params_cmd cmd;
1395         struct sq_threshold_params *sq_thresh;
1396         enum wmi_rssi_threshold_val new_threshold;
1397         u8 upper_rssi_threshold, lower_rssi_threshold;
1398         s16 rssi;
1399         int ret;
1400
1401         if (len < sizeof(struct wmi_rssi_threshold_event))
1402                 return -EINVAL;
1403
1404         reply = (struct wmi_rssi_threshold_event *) datap;
1405         new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1406         rssi = a_sle16_to_cpu(reply->rssi);
1407
1408         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1409
1410         /*
1411          * Identify the threshold breached and communicate that to the app.
1412          * After that install a new set of thresholds based on the signal
1413          * quality reported by the target
1414          */
1415         if (new_threshold) {
1416                 /* Upper threshold breached */
1417                 if (rssi < sq_thresh->upper_threshold[0]) {
1418                         ath6kl_dbg(ATH6KL_DBG_WMI,
1419                                    "spurious upper rssi threshold event: %d\n",
1420                                    rssi);
1421                 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1422                            (rssi >= sq_thresh->upper_threshold[0])) {
1423                         new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1424                 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1425                            (rssi >= sq_thresh->upper_threshold[1])) {
1426                         new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1427                 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1428                            (rssi >= sq_thresh->upper_threshold[2])) {
1429                         new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1430                 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1431                            (rssi >= sq_thresh->upper_threshold[3])) {
1432                         new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1433                 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1434                            (rssi >= sq_thresh->upper_threshold[4])) {
1435                         new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1436                 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1437                         new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1438                 }
1439         } else {
1440                 /* Lower threshold breached */
1441                 if (rssi > sq_thresh->lower_threshold[0]) {
1442                         ath6kl_dbg(ATH6KL_DBG_WMI,
1443                                    "spurious lower rssi threshold event: %d %d\n",
1444                                 rssi, sq_thresh->lower_threshold[0]);
1445                 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1446                            (rssi <= sq_thresh->lower_threshold[0])) {
1447                         new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1448                 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1449                            (rssi <= sq_thresh->lower_threshold[1])) {
1450                         new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1451                 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1452                            (rssi <= sq_thresh->lower_threshold[2])) {
1453                         new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1454                 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1455                            (rssi <= sq_thresh->lower_threshold[3])) {
1456                         new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1457                 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1458                            (rssi <= sq_thresh->lower_threshold[4])) {
1459                         new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1460                 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1461                         new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1462                 }
1463         }
1464
1465         /* Calculate and install the next set of thresholds */
1466         lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1467                                        sq_thresh->lower_threshold_valid_count);
1468         upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1469                                        sq_thresh->upper_threshold_valid_count);
1470
1471         /* Issue a wmi command to install the thresholds */
1472         cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1473         cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1474         cmd.weight = sq_thresh->weight;
1475         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1476
1477         ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1478         if (ret) {
1479                 ath6kl_err("unable to configure rssi thresholds\n");
1480                 return -EIO;
1481         }
1482
1483         return 0;
1484 }
1485
1486 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1487                                    struct ath6kl_vif *vif)
1488 {
1489         struct wmi_cac_event *reply;
1490         struct ieee80211_tspec_ie *ts;
1491         u16 active_tsids, tsinfo;
1492         u8 tsid, index;
1493         u8 ts_id;
1494
1495         if (len < sizeof(struct wmi_cac_event))
1496                 return -EINVAL;
1497
1498         reply = (struct wmi_cac_event *) datap;
1499
1500         if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1501             (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1502                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1503                 tsinfo = le16_to_cpu(ts->tsinfo);
1504                 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1505                         IEEE80211_WMM_IE_TSPEC_TID_MASK;
1506
1507                 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1508                                               reply->ac, tsid);
1509         } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1510                 /*
1511                  * Following assumes that there is only one outstanding
1512                  * ADDTS request when this event is received
1513                  */
1514                 spin_lock_bh(&wmi->lock);
1515                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1516                 spin_unlock_bh(&wmi->lock);
1517
1518                 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1519                         if ((active_tsids >> index) & 1)
1520                                 break;
1521                 }
1522                 if (index < (sizeof(active_tsids) * 8))
1523                         ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1524                                                       reply->ac, index);
1525         }
1526
1527         /*
1528          * Clear active tsids and Add missing handling
1529          * for delete qos stream from AP
1530          */
1531         else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1532                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1533                 tsinfo = le16_to_cpu(ts->tsinfo);
1534                 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1535                          IEEE80211_WMM_IE_TSPEC_TID_MASK);
1536
1537                 spin_lock_bh(&wmi->lock);
1538                 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1539                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1540                 spin_unlock_bh(&wmi->lock);
1541
1542                 /* Indicate stream inactivity to driver layer only if all tsids
1543                  * within this AC are deleted.
1544                  */
1545                 if (!active_tsids) {
1546                         ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1547                                                     false);
1548                         wmi->fat_pipe_exist &= ~(1 << reply->ac);
1549                 }
1550         }
1551
1552         return 0;
1553 }
1554
1555 static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,
1556                                           struct ath6kl_vif *vif)
1557 {
1558         struct wmi_txe_notify_event *ev;
1559         u32 rate, pkts;
1560
1561         if (len < sizeof(*ev))
1562                 return -EINVAL;
1563
1564         if (vif->sme_state != SME_CONNECTED)
1565                 return -ENOTCONN;
1566
1567         ev = (struct wmi_txe_notify_event *) datap;
1568         rate = le32_to_cpu(ev->rate);
1569         pkts = le32_to_cpu(ev->pkts);
1570
1571         ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d% pkts %d intvl %ds\n",
1572                    vif->bssid, rate, pkts, vif->txe_intvl);
1573
1574         cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,
1575                                 rate, vif->txe_intvl, GFP_KERNEL);
1576
1577         return 0;
1578 }
1579
1580 int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
1581                               u32 rate, u32 pkts, u32 intvl)
1582 {
1583         struct sk_buff *skb;
1584         struct wmi_txe_notify_cmd *cmd;
1585
1586         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1587         if (!skb)
1588                 return -ENOMEM;
1589
1590         cmd = (struct wmi_txe_notify_cmd *) skb->data;
1591         cmd->rate = cpu_to_le32(rate);
1592         cmd->pkts = cpu_to_le32(pkts);
1593         cmd->intvl = cpu_to_le32(intvl);
1594
1595         return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,
1596                                    NO_SYNC_WMIFLAG);
1597 }
1598
1599 int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
1600 {
1601         struct sk_buff *skb;
1602         struct wmi_set_rssi_filter_cmd *cmd;
1603         int ret;
1604
1605         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1606         if (!skb)
1607                 return -ENOMEM;
1608
1609         cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
1610         cmd->rssi = rssi;
1611
1612         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,
1613                                   NO_SYNC_WMIFLAG);
1614         return ret;
1615 }
1616
1617 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1618                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1619 {
1620         struct sk_buff *skb;
1621         struct wmi_snr_threshold_params_cmd *cmd;
1622
1623         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1624         if (!skb)
1625                 return -ENOMEM;
1626
1627         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1628         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1629
1630         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1631                                    NO_SYNC_WMIFLAG);
1632 }
1633
1634 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1635                                              int len)
1636 {
1637         struct wmi_snr_threshold_event *reply;
1638         struct sq_threshold_params *sq_thresh;
1639         struct wmi_snr_threshold_params_cmd cmd;
1640         enum wmi_snr_threshold_val new_threshold;
1641         u8 upper_snr_threshold, lower_snr_threshold;
1642         s16 snr;
1643         int ret;
1644
1645         if (len < sizeof(struct wmi_snr_threshold_event))
1646                 return -EINVAL;
1647
1648         reply = (struct wmi_snr_threshold_event *) datap;
1649
1650         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1651         snr = reply->snr;
1652
1653         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1654
1655         /*
1656          * Identify the threshold breached and communicate that to the app.
1657          * After that install a new set of thresholds based on the signal
1658          * quality reported by the target.
1659          */
1660         if (new_threshold) {
1661                 /* Upper threshold breached */
1662                 if (snr < sq_thresh->upper_threshold[0]) {
1663                         ath6kl_dbg(ATH6KL_DBG_WMI,
1664                                    "spurious upper snr threshold event: %d\n",
1665                                    snr);
1666                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1667                            (snr >= sq_thresh->upper_threshold[0])) {
1668                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1669                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1670                            (snr >= sq_thresh->upper_threshold[1])) {
1671                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1672                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1673                            (snr >= sq_thresh->upper_threshold[2])) {
1674                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1675                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1676                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1677                 }
1678         } else {
1679                 /* Lower threshold breached */
1680                 if (snr > sq_thresh->lower_threshold[0]) {
1681                         ath6kl_dbg(ATH6KL_DBG_WMI,
1682                                    "spurious lower snr threshold event: %d\n",
1683                                    sq_thresh->lower_threshold[0]);
1684                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1685                            (snr <= sq_thresh->lower_threshold[0])) {
1686                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1687                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1688                            (snr <= sq_thresh->lower_threshold[1])) {
1689                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1690                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1691                            (snr <= sq_thresh->lower_threshold[2])) {
1692                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1693                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1694                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1695                 }
1696         }
1697
1698         /* Calculate and install the next set of thresholds */
1699         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1700                                        sq_thresh->lower_threshold_valid_count);
1701         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1702                                        sq_thresh->upper_threshold_valid_count);
1703
1704         /* Issue a wmi command to install the thresholds */
1705         cmd.thresh_above1_val = upper_snr_threshold;
1706         cmd.thresh_below1_val = lower_snr_threshold;
1707         cmd.weight = sq_thresh->weight;
1708         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1709
1710         ath6kl_dbg(ATH6KL_DBG_WMI,
1711                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1712                    snr, new_threshold,
1713                    lower_snr_threshold, upper_snr_threshold);
1714
1715         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1716         if (ret) {
1717                 ath6kl_err("unable to configure snr threshold\n");
1718                 return -EIO;
1719         }
1720
1721         return 0;
1722 }
1723
1724 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1725 {
1726         u16 ap_info_entry_size;
1727         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1728         struct wmi_ap_info_v1 *ap_info_v1;
1729         u8 index;
1730
1731         if (len < sizeof(struct wmi_aplist_event) ||
1732             ev->ap_list_ver != APLIST_VER1)
1733                 return -EINVAL;
1734
1735         ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1736         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1737
1738         ath6kl_dbg(ATH6KL_DBG_WMI,
1739                    "number of APs in aplist event: %d\n", ev->num_ap);
1740
1741         if (len < (int) (sizeof(struct wmi_aplist_event) +
1742                          (ev->num_ap - 1) * ap_info_entry_size))
1743                 return -EINVAL;
1744
1745         /* AP list version 1 contents */
1746         for (index = 0; index < ev->num_ap; index++) {
1747                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1748                            index, ap_info_v1->bssid, ap_info_v1->channel);
1749                 ap_info_v1++;
1750         }
1751
1752         return 0;
1753 }
1754
1755 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1756                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1757 {
1758         struct wmi_cmd_hdr *cmd_hdr;
1759         enum htc_endpoint_id ep_id = wmi->ep_id;
1760         int ret;
1761         u16 info1;
1762
1763         if (WARN_ON(skb == NULL ||
1764                     (if_idx > (wmi->parent_dev->vif_max - 1)))) {
1765                 dev_kfree_skb(skb);
1766                 return -EINVAL;
1767         }
1768
1769         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1770                    cmd_id, skb->len, sync_flag);
1771         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1772                         skb->data, skb->len);
1773
1774         if (sync_flag >= END_WMIFLAG) {
1775                 dev_kfree_skb(skb);
1776                 return -EINVAL;
1777         }
1778
1779         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1780             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1781                 /*
1782                  * Make sure all data currently queued is transmitted before
1783                  * the cmd execution.  Establish a new sync point.
1784                  */
1785                 ath6kl_wmi_sync_point(wmi, if_idx);
1786         }
1787
1788         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1789
1790         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1791         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1792         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1793         cmd_hdr->info1 = cpu_to_le16(info1);
1794
1795         /* Only for OPT_TX_CMD, use BE endpoint. */
1796         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1797                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1798                                               false, false, 0, NULL, if_idx);
1799                 if (ret) {
1800                         dev_kfree_skb(skb);
1801                         return ret;
1802                 }
1803                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1804         }
1805
1806         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1807
1808         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1809             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1810                 /*
1811                  * Make sure all new data queued waits for the command to
1812                  * execute. Establish a new sync point.
1813                  */
1814                 ath6kl_wmi_sync_point(wmi, if_idx);
1815         }
1816
1817         return 0;
1818 }
1819
1820 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1821                            enum network_type nw_type,
1822                            enum dot11_auth_mode dot11_auth_mode,
1823                            enum auth_mode auth_mode,
1824                            enum crypto_type pairwise_crypto,
1825                            u8 pairwise_crypto_len,
1826                            enum crypto_type group_crypto,
1827                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1828                            u8 *bssid, u16 channel, u32 ctrl_flags,
1829                            u8 nw_subtype)
1830 {
1831         struct sk_buff *skb;
1832         struct wmi_connect_cmd *cc;
1833         int ret;
1834
1835         ath6kl_dbg(ATH6KL_DBG_WMI,
1836                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1837                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1838                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1839                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1840         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1841
1842         wmi->traffic_class = 100;
1843
1844         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1845                 return -EINVAL;
1846
1847         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1848                 return -EINVAL;
1849
1850         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1851         if (!skb)
1852                 return -ENOMEM;
1853
1854         cc = (struct wmi_connect_cmd *) skb->data;
1855
1856         if (ssid_len)
1857                 memcpy(cc->ssid, ssid, ssid_len);
1858
1859         cc->ssid_len = ssid_len;
1860         cc->nw_type = nw_type;
1861         cc->dot11_auth_mode = dot11_auth_mode;
1862         cc->auth_mode = auth_mode;
1863         cc->prwise_crypto_type = pairwise_crypto;
1864         cc->prwise_crypto_len = pairwise_crypto_len;
1865         cc->grp_crypto_type = group_crypto;
1866         cc->grp_crypto_len = group_crypto_len;
1867         cc->ch = cpu_to_le16(channel);
1868         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1869         cc->nw_subtype = nw_subtype;
1870
1871         if (bssid != NULL)
1872                 memcpy(cc->bssid, bssid, ETH_ALEN);
1873
1874         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1875                                   NO_SYNC_WMIFLAG);
1876
1877         return ret;
1878 }
1879
1880 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1881                              u16 channel)
1882 {
1883         struct sk_buff *skb;
1884         struct wmi_reconnect_cmd *cc;
1885         int ret;
1886
1887         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1888                    bssid, channel);
1889
1890         wmi->traffic_class = 100;
1891
1892         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1893         if (!skb)
1894                 return -ENOMEM;
1895
1896         cc = (struct wmi_reconnect_cmd *) skb->data;
1897         cc->channel = cpu_to_le16(channel);
1898
1899         if (bssid != NULL)
1900                 memcpy(cc->bssid, bssid, ETH_ALEN);
1901
1902         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1903                                   NO_SYNC_WMIFLAG);
1904
1905         return ret;
1906 }
1907
1908 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1909 {
1910         int ret;
1911
1912         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1913
1914         wmi->traffic_class = 100;
1915
1916         /* Disconnect command does not need to do a SYNC before. */
1917         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1918
1919         return ret;
1920 }
1921
1922 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1923  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1924  * mgmt operations using station interface.
1925  */
1926 static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1927                                     enum wmi_scan_type scan_type,
1928                                     u32 force_fgscan, u32 is_legacy,
1929                                     u32 home_dwell_time,
1930                                     u32 force_scan_interval,
1931                                     s8 num_chan, u16 *ch_list)
1932 {
1933         struct sk_buff *skb;
1934         struct wmi_start_scan_cmd *sc;
1935         s8 size;
1936         int i, ret;
1937
1938         size = sizeof(struct wmi_start_scan_cmd);
1939
1940         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1941                 return -EINVAL;
1942
1943         if (num_chan > WMI_MAX_CHANNELS)
1944                 return -EINVAL;
1945
1946         if (num_chan)
1947                 size += sizeof(u16) * (num_chan - 1);
1948
1949         skb = ath6kl_wmi_get_new_buf(size);
1950         if (!skb)
1951                 return -ENOMEM;
1952
1953         sc = (struct wmi_start_scan_cmd *) skb->data;
1954         sc->scan_type = scan_type;
1955         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1956         sc->is_legacy = cpu_to_le32(is_legacy);
1957         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1958         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1959         sc->num_ch = num_chan;
1960
1961         for (i = 0; i < num_chan; i++)
1962                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1963
1964         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1965                                   NO_SYNC_WMIFLAG);
1966
1967         return ret;
1968 }
1969
1970 /*
1971  * beginscan supports (compared to old startscan) P2P mgmt operations using
1972  * station interface, send additional information like supported rates to
1973  * advertise and xmit rates for probe requests
1974  */
1975 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1976                              enum wmi_scan_type scan_type,
1977                              u32 force_fgscan, u32 is_legacy,
1978                              u32 home_dwell_time, u32 force_scan_interval,
1979                              s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
1980 {
1981         struct ieee80211_supported_band *sband;
1982         struct sk_buff *skb;
1983         struct wmi_begin_scan_cmd *sc;
1984         s8 size, *supp_rates;
1985         int i, band, ret;
1986         struct ath6kl *ar = wmi->parent_dev;
1987         int num_rates;
1988         u32 ratemask;
1989
1990         if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1991                       ar->fw_capabilities)) {
1992                 return ath6kl_wmi_startscan_cmd(wmi, if_idx,
1993                                                 scan_type, force_fgscan,
1994                                                 is_legacy, home_dwell_time,
1995                                                 force_scan_interval,
1996                                                 num_chan, ch_list);
1997         }
1998
1999         size = sizeof(struct wmi_begin_scan_cmd);
2000
2001         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
2002                 return -EINVAL;
2003
2004         if (num_chan > WMI_MAX_CHANNELS)
2005                 return -EINVAL;
2006
2007         if (num_chan)
2008                 size += sizeof(u16) * (num_chan - 1);
2009
2010         skb = ath6kl_wmi_get_new_buf(size);
2011         if (!skb)
2012                 return -ENOMEM;
2013
2014         sc = (struct wmi_begin_scan_cmd *) skb->data;
2015         sc->scan_type = scan_type;
2016         sc->force_fg_scan = cpu_to_le32(force_fgscan);
2017         sc->is_legacy = cpu_to_le32(is_legacy);
2018         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
2019         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
2020         sc->no_cck = cpu_to_le32(no_cck);
2021         sc->num_ch = num_chan;
2022
2023         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2024                 sband = ar->wiphy->bands[band];
2025
2026                 if (!sband)
2027                         continue;
2028
2029                 if (WARN_ON(band >= ATH6KL_NUM_BANDS))
2030                         break;
2031
2032                 ratemask = rates[band];
2033                 supp_rates = sc->supp_rates[band].rates;
2034                 num_rates = 0;
2035
2036                 for (i = 0; i < sband->n_bitrates; i++) {
2037                         if ((BIT(i) & ratemask) == 0)
2038                                 continue; /* skip rate */
2039                         supp_rates[num_rates++] =
2040                             (u8) (sband->bitrates[i].bitrate / 5);
2041                 }
2042                 sc->supp_rates[band].nrates = num_rates;
2043         }
2044
2045         for (i = 0; i < num_chan; i++)
2046                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2047
2048         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
2049                                   NO_SYNC_WMIFLAG);
2050
2051         return ret;
2052 }
2053
2054 int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2055 {
2056         struct sk_buff *skb;
2057         struct wmi_enable_sched_scan_cmd *sc;
2058         int ret;
2059
2060         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2061         if (!skb)
2062                 return -ENOMEM;
2063
2064         ath6kl_dbg(ATH6KL_DBG_WMI, "%s scheduled scan on vif %d\n",
2065                    enable ? "enabling" : "disabling", if_idx);
2066         sc = (struct wmi_enable_sched_scan_cmd *) skb->data;
2067         sc->enable = enable ? 1 : 0;
2068
2069         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2070                                   WMI_ENABLE_SCHED_SCAN_CMDID,
2071                                   NO_SYNC_WMIFLAG);
2072         return ret;
2073 }
2074
2075 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
2076                               u16 fg_start_sec,
2077                               u16 fg_end_sec, u16 bg_sec,
2078                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
2079                               u16 pas_chdw_msec, u8 short_scan_ratio,
2080                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
2081                               u16 maxact_scan_per_ssid)
2082 {
2083         struct sk_buff *skb;
2084         struct wmi_scan_params_cmd *sc;
2085         int ret;
2086
2087         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2088         if (!skb)
2089                 return -ENOMEM;
2090
2091         sc = (struct wmi_scan_params_cmd *) skb->data;
2092         sc->fg_start_period = cpu_to_le16(fg_start_sec);
2093         sc->fg_end_period = cpu_to_le16(fg_end_sec);
2094         sc->bg_period = cpu_to_le16(bg_sec);
2095         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
2096         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
2097         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
2098         sc->short_scan_ratio = short_scan_ratio;
2099         sc->scan_ctrl_flags = scan_ctrl_flag;
2100         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
2101         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
2102
2103         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
2104                                   NO_SYNC_WMIFLAG);
2105         return ret;
2106 }
2107
2108 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
2109 {
2110         struct sk_buff *skb;
2111         struct wmi_bss_filter_cmd *cmd;
2112         int ret;
2113
2114         if (filter >= LAST_BSS_FILTER)
2115                 return -EINVAL;
2116
2117         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2118         if (!skb)
2119                 return -ENOMEM;
2120
2121         cmd = (struct wmi_bss_filter_cmd *) skb->data;
2122         cmd->bss_filter = filter;
2123         cmd->ie_mask = cpu_to_le32(ie_mask);
2124
2125         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
2126                                   NO_SYNC_WMIFLAG);
2127         return ret;
2128 }
2129
2130 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2131                               u8 ssid_len, u8 *ssid)
2132 {
2133         struct sk_buff *skb;
2134         struct wmi_probed_ssid_cmd *cmd;
2135         int ret;
2136
2137         if (index >= MAX_PROBED_SSIDS)
2138                 return -EINVAL;
2139
2140         if (ssid_len > sizeof(cmd->ssid))
2141                 return -EINVAL;
2142
2143         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2144                 return -EINVAL;
2145
2146         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2147                 return -EINVAL;
2148
2149         if (flag & SPECIFIC_SSID_FLAG)
2150                 wmi->is_probe_ssid = true;
2151
2152         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2153         if (!skb)
2154                 return -ENOMEM;
2155
2156         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2157         cmd->entry_index = index;
2158         cmd->flag = flag;
2159         cmd->ssid_len = ssid_len;
2160         memcpy(cmd->ssid, ssid, ssid_len);
2161
2162         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2163                                   NO_SYNC_WMIFLAG);
2164         return ret;
2165 }
2166
2167 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2168                                   u16 listen_interval,
2169                                   u16 listen_beacons)
2170 {
2171         struct sk_buff *skb;
2172         struct wmi_listen_int_cmd *cmd;
2173         int ret;
2174
2175         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2176         if (!skb)
2177                 return -ENOMEM;
2178
2179         cmd = (struct wmi_listen_int_cmd *) skb->data;
2180         cmd->listen_intvl = cpu_to_le16(listen_interval);
2181         cmd->num_beacons = cpu_to_le16(listen_beacons);
2182
2183         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2184                                   NO_SYNC_WMIFLAG);
2185         return ret;
2186 }
2187
2188 int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2189                              u16 bmiss_time, u16 num_beacons)
2190 {
2191         struct sk_buff *skb;
2192         struct wmi_bmiss_time_cmd *cmd;
2193         int ret;
2194
2195         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2196         if (!skb)
2197                 return -ENOMEM;
2198
2199         cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2200         cmd->bmiss_time = cpu_to_le16(bmiss_time);
2201         cmd->num_beacons = cpu_to_le16(num_beacons);
2202
2203         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2204                                   NO_SYNC_WMIFLAG);
2205         return ret;
2206 }
2207
2208 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2209 {
2210         struct sk_buff *skb;
2211         struct wmi_power_mode_cmd *cmd;
2212         int ret;
2213
2214         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2215         if (!skb)
2216                 return -ENOMEM;
2217
2218         cmd = (struct wmi_power_mode_cmd *) skb->data;
2219         cmd->pwr_mode = pwr_mode;
2220         wmi->pwr_mode = pwr_mode;
2221
2222         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2223                                   NO_SYNC_WMIFLAG);
2224         return ret;
2225 }
2226
2227 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2228                             u16 ps_poll_num, u16 dtim_policy,
2229                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2230                             u16 ps_fail_event_policy)
2231 {
2232         struct sk_buff *skb;
2233         struct wmi_power_params_cmd *pm;
2234         int ret;
2235
2236         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2237         if (!skb)
2238                 return -ENOMEM;
2239
2240         pm = (struct wmi_power_params_cmd *)skb->data;
2241         pm->idle_period = cpu_to_le16(idle_period);
2242         pm->pspoll_number = cpu_to_le16(ps_poll_num);
2243         pm->dtim_policy = cpu_to_le16(dtim_policy);
2244         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2245         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2246         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2247
2248         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2249                                   NO_SYNC_WMIFLAG);
2250         return ret;
2251 }
2252
2253 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2254 {
2255         struct sk_buff *skb;
2256         struct wmi_disc_timeout_cmd *cmd;
2257         int ret;
2258
2259         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2260         if (!skb)
2261                 return -ENOMEM;
2262
2263         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2264         cmd->discon_timeout = timeout;
2265
2266         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2267                                   NO_SYNC_WMIFLAG);
2268
2269         if (ret == 0)
2270                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2271
2272         return ret;
2273 }
2274
2275 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2276                           enum crypto_type key_type,
2277                           u8 key_usage, u8 key_len,
2278                           u8 *key_rsc, unsigned int key_rsc_len,
2279                           u8 *key_material,
2280                           u8 key_op_ctrl, u8 *mac_addr,
2281                           enum wmi_sync_flag sync_flag)
2282 {
2283         struct sk_buff *skb;
2284         struct wmi_add_cipher_key_cmd *cmd;
2285         int ret;
2286
2287         ath6kl_dbg(ATH6KL_DBG_WMI,
2288                    "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2289                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2290
2291         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2292             (key_material == NULL) || key_rsc_len > 8)
2293                 return -EINVAL;
2294
2295         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2296                 return -EINVAL;
2297
2298         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2299         if (!skb)
2300                 return -ENOMEM;
2301
2302         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2303         cmd->key_index = key_index;
2304         cmd->key_type = key_type;
2305         cmd->key_usage = key_usage;
2306         cmd->key_len = key_len;
2307         memcpy(cmd->key, key_material, key_len);
2308
2309         if (key_rsc != NULL)
2310                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2311
2312         cmd->key_op_ctrl = key_op_ctrl;
2313
2314         if (mac_addr)
2315                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2316
2317         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2318                                   sync_flag);
2319
2320         return ret;
2321 }
2322
2323 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, const u8 *krk)
2324 {
2325         struct sk_buff *skb;
2326         struct wmi_add_krk_cmd *cmd;
2327         int ret;
2328
2329         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2330         if (!skb)
2331                 return -ENOMEM;
2332
2333         cmd = (struct wmi_add_krk_cmd *) skb->data;
2334         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2335
2336         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2337                                   NO_SYNC_WMIFLAG);
2338
2339         return ret;
2340 }
2341
2342 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2343 {
2344         struct sk_buff *skb;
2345         struct wmi_delete_cipher_key_cmd *cmd;
2346         int ret;
2347
2348         if (key_index > WMI_MAX_KEY_INDEX)
2349                 return -EINVAL;
2350
2351         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2352         if (!skb)
2353                 return -ENOMEM;
2354
2355         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2356         cmd->key_index = key_index;
2357
2358         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2359                                   NO_SYNC_WMIFLAG);
2360
2361         return ret;
2362 }
2363
2364 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2365                             const u8 *pmkid, bool set)
2366 {
2367         struct sk_buff *skb;
2368         struct wmi_setpmkid_cmd *cmd;
2369         int ret;
2370
2371         if (bssid == NULL)
2372                 return -EINVAL;
2373
2374         if (set && pmkid == NULL)
2375                 return -EINVAL;
2376
2377         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2378         if (!skb)
2379                 return -ENOMEM;
2380
2381         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2382         memcpy(cmd->bssid, bssid, ETH_ALEN);
2383         if (set) {
2384                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2385                 cmd->enable = PMKID_ENABLE;
2386         } else {
2387                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2388                 cmd->enable = PMKID_DISABLE;
2389         }
2390
2391         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2392                                   NO_SYNC_WMIFLAG);
2393
2394         return ret;
2395 }
2396
2397 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2398                               enum htc_endpoint_id ep_id, u8 if_idx)
2399 {
2400         struct wmi_data_hdr *data_hdr;
2401         int ret;
2402
2403         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {
2404                 dev_kfree_skb(skb);
2405                 return -EINVAL;
2406         }
2407
2408         skb_push(skb, sizeof(struct wmi_data_hdr));
2409
2410         data_hdr = (struct wmi_data_hdr *) skb->data;
2411         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2412         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2413
2414         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2415
2416         return ret;
2417 }
2418
2419 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2420 {
2421         struct sk_buff *skb;
2422         struct wmi_sync_cmd *cmd;
2423         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2424         enum htc_endpoint_id ep_id;
2425         u8 index, num_pri_streams = 0;
2426         int ret = 0;
2427
2428         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2429
2430         spin_lock_bh(&wmi->lock);
2431
2432         for (index = 0; index < WMM_NUM_AC; index++) {
2433                 if (wmi->fat_pipe_exist & (1 << index)) {
2434                         num_pri_streams++;
2435                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2436                             index;
2437                 }
2438         }
2439
2440         spin_unlock_bh(&wmi->lock);
2441
2442         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2443         if (!skb)
2444                 return -ENOMEM;
2445
2446         cmd = (struct wmi_sync_cmd *) skb->data;
2447
2448         /*
2449          * In the SYNC cmd sent on the control Ep, send a bitmap
2450          * of the data eps on which the Data Sync will be sent
2451          */
2452         cmd->data_sync_map = wmi->fat_pipe_exist;
2453
2454         for (index = 0; index < num_pri_streams; index++) {
2455                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2456                 if (data_sync_bufs[index].skb == NULL) {
2457                         ret = -ENOMEM;
2458                         break;
2459                 }
2460         }
2461
2462         /*
2463          * If buffer allocation for any of the dataSync fails,
2464          * then do not send the Synchronize cmd on the control ep
2465          */
2466         if (ret)
2467                 goto free_cmd_skb;
2468
2469         /*
2470          * Send sync cmd followed by sync data messages on all
2471          * endpoints being used
2472          */
2473         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2474                                   NO_SYNC_WMIFLAG);
2475
2476         if (ret)
2477                 goto free_data_skb;
2478
2479         for (index = 0; index < num_pri_streams; index++) {
2480                 if (WARN_ON(!data_sync_bufs[index].skb))
2481                         goto free_data_skb;
2482
2483                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2484                                                data_sync_bufs[index].
2485                                                traffic_class);
2486                 ret =
2487                     ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2488                                               ep_id, if_idx);
2489
2490                 data_sync_bufs[index].skb = NULL;
2491
2492                 if (ret)
2493                         goto free_data_skb;
2494         }
2495
2496         return 0;
2497
2498 free_cmd_skb:
2499         /* free up any resources left over (possibly due to an error) */
2500         dev_kfree_skb(skb);
2501
2502 free_data_skb:
2503         for (index = 0; index < num_pri_streams; index++)
2504                 dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].skb);
2505
2506         return ret;
2507 }
2508
2509 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2510                                   struct wmi_create_pstream_cmd *params)
2511 {
2512         struct sk_buff *skb;
2513         struct wmi_create_pstream_cmd *cmd;
2514         u8 fatpipe_exist_for_ac = 0;
2515         s32 min_phy = 0;
2516         s32 nominal_phy = 0;
2517         int ret;
2518
2519         if (!((params->user_pri < 8) &&
2520               (params->user_pri <= 0x7) &&
2521               (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2522               (params->traffic_direc == UPLINK_TRAFFIC ||
2523                params->traffic_direc == DNLINK_TRAFFIC ||
2524                params->traffic_direc == BIDIR_TRAFFIC) &&
2525               (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2526                params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2527               (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2528                params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2529                params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2530               (params->tsid == WMI_IMPLICIT_PSTREAM ||
2531                params->tsid <= WMI_MAX_THINSTREAM))) {
2532                 return -EINVAL;
2533         }
2534
2535         /*
2536          * Check nominal PHY rate is >= minimalPHY,
2537          * so that DUT can allow TSRS IE
2538          */
2539
2540         /* Get the physical rate (units of bps) */
2541         min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2542
2543         /* Check minimal phy < nominal phy rate */
2544         if (params->nominal_phy >= min_phy) {
2545                 /* unit of 500 kbps */
2546                 nominal_phy = (params->nominal_phy * 1000) / 500;
2547                 ath6kl_dbg(ATH6KL_DBG_WMI,
2548                            "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2549                            min_phy, nominal_phy);
2550
2551                 params->nominal_phy = nominal_phy;
2552         } else {
2553                 params->nominal_phy = 0;
2554         }
2555
2556         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2557         if (!skb)
2558                 return -ENOMEM;
2559
2560         ath6kl_dbg(ATH6KL_DBG_WMI,
2561                    "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2562                    params->traffic_class, params->tsid);
2563
2564         cmd = (struct wmi_create_pstream_cmd *) skb->data;
2565         memcpy(cmd, params, sizeof(*cmd));
2566
2567         /* This is an implicitly created Fat pipe */
2568         if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2569                 spin_lock_bh(&wmi->lock);
2570                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2571                                         (1 << params->traffic_class));
2572                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2573                 spin_unlock_bh(&wmi->lock);
2574         } else {
2575                 /* explicitly created thin stream within a fat pipe */
2576                 spin_lock_bh(&wmi->lock);
2577                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2578                                         (1 << params->traffic_class));
2579                 wmi->stream_exist_for_ac[params->traffic_class] |=
2580                     (1 << params->tsid);
2581                 /*
2582                  * If a thinstream becomes active, the fat pipe automatically
2583                  * becomes active
2584                  */
2585                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2586                 spin_unlock_bh(&wmi->lock);
2587         }
2588
2589         /*
2590          * Indicate activty change to driver layer only if this is the
2591          * first TSID to get created in this AC explicitly or an implicit
2592          * fat pipe is getting created.
2593          */
2594         if (!fatpipe_exist_for_ac)
2595                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2596                                             params->traffic_class, true);
2597
2598         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2599                                   NO_SYNC_WMIFLAG);
2600         return ret;
2601 }
2602
2603 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2604                                   u8 tsid)
2605 {
2606         struct sk_buff *skb;
2607         struct wmi_delete_pstream_cmd *cmd;
2608         u16 active_tsids = 0;
2609         int ret;
2610
2611         if (traffic_class > 3) {
2612                 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2613                 return -EINVAL;
2614         }
2615
2616         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2617         if (!skb)
2618                 return -ENOMEM;
2619
2620         cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2621         cmd->traffic_class = traffic_class;
2622         cmd->tsid = tsid;
2623
2624         spin_lock_bh(&wmi->lock);
2625         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2626         spin_unlock_bh(&wmi->lock);
2627
2628         if (!(active_tsids & (1 << tsid))) {
2629                 dev_kfree_skb(skb);
2630                 ath6kl_dbg(ATH6KL_DBG_WMI,
2631                            "TSID %d doesn't exist for traffic class: %d\n",
2632                            tsid, traffic_class);
2633                 return -ENODATA;
2634         }
2635
2636         ath6kl_dbg(ATH6KL_DBG_WMI,
2637                    "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2638                    traffic_class, tsid);
2639
2640         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2641                                   SYNC_BEFORE_WMIFLAG);
2642
2643         spin_lock_bh(&wmi->lock);
2644         wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2645         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2646         spin_unlock_bh(&wmi->lock);
2647
2648         /*
2649          * Indicate stream inactivity to driver layer only if all tsids
2650          * within this AC are deleted.
2651          */
2652         if (!active_tsids) {
2653                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2654                                             traffic_class, false);
2655                 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2656         }
2657
2658         return ret;
2659 }
2660
2661 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2662                           __be32 ips0, __be32 ips1)
2663 {
2664         struct sk_buff *skb;
2665         struct wmi_set_ip_cmd *cmd;
2666         int ret;
2667
2668         /* Multicast address are not valid */
2669         if (ipv4_is_multicast(ips0) ||
2670             ipv4_is_multicast(ips1))
2671                 return -EINVAL;
2672
2673         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2674         if (!skb)
2675                 return -ENOMEM;
2676
2677         cmd = (struct wmi_set_ip_cmd *) skb->data;
2678         cmd->ips[0] = ips0;
2679         cmd->ips[1] = ips1;
2680
2681         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2682                                   NO_SYNC_WMIFLAG);
2683         return ret;
2684 }
2685
2686 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2687 {
2688         u16 active_tsids;
2689         u8 stream_exist;
2690         int i;
2691
2692         /*
2693          * Relinquish credits from all implicitly created pstreams
2694          * since when we go to sleep. If user created explicit
2695          * thinstreams exists with in a fatpipe leave them intact
2696          * for the user to delete.
2697          */
2698         spin_lock_bh(&wmi->lock);
2699         stream_exist = wmi->fat_pipe_exist;
2700         spin_unlock_bh(&wmi->lock);
2701
2702         for (i = 0; i < WMM_NUM_AC; i++) {
2703                 if (stream_exist & (1 << i)) {
2704                         /*
2705                          * FIXME: Is this lock & unlock inside
2706                          * for loop correct? may need rework.
2707                          */
2708                         spin_lock_bh(&wmi->lock);
2709                         active_tsids = wmi->stream_exist_for_ac[i];
2710                         spin_unlock_bh(&wmi->lock);
2711
2712                         /*
2713                          * If there are no user created thin streams
2714                          * delete the fatpipe
2715                          */
2716                         if (!active_tsids) {
2717                                 stream_exist &= ~(1 << i);
2718                                 /*
2719                                  * Indicate inactivity to driver layer for
2720                                  * this fatpipe (pstream)
2721                                  */
2722                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2723                                                             i, false);
2724                         }
2725                 }
2726         }
2727
2728         /* FIXME: Can we do this assignment without locking ? */
2729         spin_lock_bh(&wmi->lock);
2730         wmi->fat_pipe_exist = stream_exist;
2731         spin_unlock_bh(&wmi->lock);
2732 }
2733
2734 static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2735                                      const struct cfg80211_bitrate_mask *mask)
2736 {
2737         struct sk_buff *skb;
2738         int ret, mode, band;
2739         u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2740         struct wmi_set_tx_select_rates64_cmd *cmd;
2741
2742         memset(&ratemask, 0, sizeof(ratemask));
2743
2744         /* only check 2.4 and 5 GHz bands, skip the rest */
2745         for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2746                 /* copy legacy rate mask */
2747                 ratemask[band] = mask->control[band].legacy;
2748                 if (band == IEEE80211_BAND_5GHZ)
2749                         ratemask[band] =
2750                                 mask->control[band].legacy << 4;
2751
2752                 /* copy mcs rate mask */
2753                 mcsrate = mask->control[band].ht_mcs[1];
2754                 mcsrate <<= 8;
2755                 mcsrate |= mask->control[band].ht_mcs[0];
2756                 ratemask[band] |= mcsrate << 12;
2757                 ratemask[band] |= mcsrate << 28;
2758         }
2759
2760         ath6kl_dbg(ATH6KL_DBG_WMI,
2761                    "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2762                    ratemask[0], ratemask[1]);
2763
2764         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2765         if (!skb)
2766                 return -ENOMEM;
2767
2768         cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2769         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2770                 /* A mode operate in 5GHZ band */
2771                 if (mode == WMI_RATES_MODE_11A ||
2772                     mode == WMI_RATES_MODE_11A_HT20 ||
2773                     mode == WMI_RATES_MODE_11A_HT40)
2774                         band = IEEE80211_BAND_5GHZ;
2775                 else
2776                         band = IEEE80211_BAND_2GHZ;
2777                 cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2778         }
2779
2780         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2781                                   WMI_SET_TX_SELECT_RATES_CMDID,
2782                                   NO_SYNC_WMIFLAG);
2783         return ret;
2784 }
2785
2786 static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2787                                      const struct cfg80211_bitrate_mask *mask)
2788 {
2789         struct sk_buff *skb;
2790         int ret, mode, band;
2791         u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2792         struct wmi_set_tx_select_rates32_cmd *cmd;
2793
2794         memset(&ratemask, 0, sizeof(ratemask));
2795
2796         /* only check 2.4 and 5 GHz bands, skip the rest */
2797         for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2798                 /* copy legacy rate mask */
2799                 ratemask[band] = mask->control[band].legacy;
2800                 if (band == IEEE80211_BAND_5GHZ)
2801                         ratemask[band] =
2802                                 mask->control[band].legacy << 4;
2803
2804                 /* copy mcs rate mask */
2805                 mcsrate = mask->control[band].ht_mcs[0];
2806                 ratemask[band] |= mcsrate << 12;
2807                 ratemask[band] |= mcsrate << 20;
2808         }
2809
2810         ath6kl_dbg(ATH6KL_DBG_WMI,
2811                    "Ratemask 32 bit: 2.4:%x 5:%x\n",
2812                    ratemask[0], ratemask[1]);
2813
2814         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2815         if (!skb)
2816                 return -ENOMEM;
2817
2818         cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2819         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2820                 /* A mode operate in 5GHZ band */
2821                 if (mode == WMI_RATES_MODE_11A ||
2822                     mode == WMI_RATES_MODE_11A_HT20 ||
2823                     mode == WMI_RATES_MODE_11A_HT40)
2824                         band = IEEE80211_BAND_5GHZ;
2825                 else
2826                         band = IEEE80211_BAND_2GHZ;
2827                 cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2828         }
2829
2830         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2831                                   WMI_SET_TX_SELECT_RATES_CMDID,
2832                                   NO_SYNC_WMIFLAG);
2833         return ret;
2834 }
2835
2836 int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2837                                 const struct cfg80211_bitrate_mask *mask)
2838 {
2839         struct ath6kl *ar = wmi->parent_dev;
2840
2841         if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
2842                      ar->fw_capabilities))
2843                 return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
2844         else
2845                 return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
2846 }
2847
2848 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2849                                        enum ath6kl_host_mode host_mode)
2850 {
2851         struct sk_buff *skb;
2852         struct wmi_set_host_sleep_mode_cmd *cmd;
2853         int ret;
2854
2855         if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2856             (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2857                 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2858                 return -EINVAL;
2859         }
2860
2861         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2862         if (!skb)
2863                 return -ENOMEM;
2864
2865         cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2866
2867         if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2868                 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2869                 cmd->asleep = cpu_to_le32(1);
2870         } else {
2871                 cmd->awake = cpu_to_le32(1);
2872         }
2873
2874         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2875                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2876                                   NO_SYNC_WMIFLAG);
2877         return ret;
2878 }
2879
2880 /* This command has zero length payload */
2881 static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2882                                                       struct ath6kl_vif *vif)
2883 {
2884         struct ath6kl *ar = wmi->parent_dev;
2885
2886         set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2887         wake_up(&ar->event_wq);
2888
2889         return 0;
2890 }
2891
2892 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2893                                 enum ath6kl_wow_mode wow_mode,
2894                                 u32 filter, u16 host_req_delay)
2895 {
2896         struct sk_buff *skb;
2897         struct wmi_set_wow_mode_cmd *cmd;
2898         int ret;
2899
2900         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2901             wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2902                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2903                 return -EINVAL;
2904         }
2905
2906         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2907         if (!skb)
2908                 return -ENOMEM;
2909
2910         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2911         cmd->enable_wow = cpu_to_le32(wow_mode);
2912         cmd->filter = cpu_to_le32(filter);
2913         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2914
2915         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2916                                   NO_SYNC_WMIFLAG);
2917         return ret;
2918 }
2919
2920 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2921                                    u8 list_id, u8 filter_size,
2922                                    u8 filter_offset, const u8 *filter,
2923                                    const u8 *mask)
2924 {
2925         struct sk_buff *skb;
2926         struct wmi_add_wow_pattern_cmd *cmd;
2927         u16 size;
2928         u8 *filter_mask;
2929         int ret;
2930
2931         /*
2932          * Allocate additional memory in the buffer to hold
2933          * filter and mask value, which is twice of filter_size.
2934          */
2935         size = sizeof(*cmd) + (2 * filter_size);
2936
2937         skb = ath6kl_wmi_get_new_buf(size);
2938         if (!skb)
2939                 return -ENOMEM;
2940
2941         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2942         cmd->filter_list_id = list_id;
2943         cmd->filter_size = filter_size;
2944         cmd->filter_offset = filter_offset;
2945
2946         memcpy(cmd->filter, filter, filter_size);
2947
2948         filter_mask = (u8 *) (cmd->filter + filter_size);
2949         memcpy(filter_mask, mask, filter_size);
2950
2951         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2952                                   NO_SYNC_WMIFLAG);
2953
2954         return ret;
2955 }
2956
2957 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2958                                    u16 list_id, u16 filter_id)
2959 {
2960         struct sk_buff *skb;
2961         struct wmi_del_wow_pattern_cmd *cmd;
2962         int ret;
2963
2964         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2965         if (!skb)
2966                 return -ENOMEM;
2967
2968         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2969         cmd->filter_list_id = cpu_to_le16(list_id);
2970         cmd->filter_id = cpu_to_le16(filter_id);
2971
2972         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2973                                   NO_SYNC_WMIFLAG);
2974         return ret;
2975 }
2976
2977 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2978                                     enum wmix_command_id cmd_id,
2979                                     enum wmi_sync_flag sync_flag)
2980 {
2981         struct wmix_cmd_hdr *cmd_hdr;
2982         int ret;
2983
2984         skb_push(skb, sizeof(struct wmix_cmd_hdr));
2985
2986         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2987         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2988
2989         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
2990
2991         return ret;
2992 }
2993
2994 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2995 {
2996         struct sk_buff *skb;
2997         struct wmix_hb_challenge_resp_cmd *cmd;
2998         int ret;
2999
3000         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3001         if (!skb)
3002                 return -ENOMEM;
3003
3004         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
3005         cmd->cookie = cpu_to_le32(cookie);
3006         cmd->source = cpu_to_le32(source);
3007
3008         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
3009                                        NO_SYNC_WMIFLAG);
3010         return ret;
3011 }
3012
3013 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
3014 {
3015         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
3016         struct sk_buff *skb;
3017         int ret;
3018
3019         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3020         if (!skb)
3021                 return -ENOMEM;
3022
3023         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
3024         cmd->valid = cpu_to_le32(valid);
3025         cmd->config = cpu_to_le32(config);
3026
3027         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
3028                                        NO_SYNC_WMIFLAG);
3029         return ret;
3030 }
3031
3032 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
3033 {
3034         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
3035 }
3036
3037 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
3038 {
3039         struct sk_buff *skb;
3040         struct wmi_set_tx_pwr_cmd *cmd;
3041         int ret;
3042
3043         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
3044         if (!skb)
3045                 return -ENOMEM;
3046
3047         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
3048         cmd->dbM = dbM;
3049
3050         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
3051                                   NO_SYNC_WMIFLAG);
3052
3053         return ret;
3054 }
3055
3056 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
3057 {
3058         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
3059 }
3060
3061 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
3062 {
3063         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
3064 }
3065
3066 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
3067                                  u8 preamble_policy)
3068 {
3069         struct sk_buff *skb;
3070         struct wmi_set_lpreamble_cmd *cmd;
3071         int ret;
3072
3073         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
3074         if (!skb)
3075                 return -ENOMEM;
3076
3077         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
3078         cmd->status = status;
3079         cmd->preamble_policy = preamble_policy;
3080
3081         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
3082                                   NO_SYNC_WMIFLAG);
3083         return ret;
3084 }
3085
3086 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
3087 {
3088         struct sk_buff *skb;
3089         struct wmi_set_rts_cmd *cmd;
3090         int ret;
3091
3092         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
3093         if (!skb)
3094                 return -ENOMEM;
3095
3096         cmd = (struct wmi_set_rts_cmd *) skb->data;
3097         cmd->threshold = cpu_to_le16(threshold);
3098
3099         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
3100                                   NO_SYNC_WMIFLAG);
3101         return ret;
3102 }
3103
3104 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
3105 {
3106         struct sk_buff *skb;
3107         struct wmi_set_wmm_txop_cmd *cmd;
3108         int ret;
3109
3110         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
3111                 return -EINVAL;
3112
3113         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
3114         if (!skb)
3115                 return -ENOMEM;
3116
3117         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
3118         cmd->txop_enable = cfg;
3119
3120         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
3121                                   NO_SYNC_WMIFLAG);
3122         return ret;
3123 }
3124
3125 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3126                                  u8 keep_alive_intvl)
3127 {
3128         struct sk_buff *skb;
3129         struct wmi_set_keepalive_cmd *cmd;
3130         int ret;
3131
3132         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3133         if (!skb)
3134                 return -ENOMEM;
3135
3136         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3137         cmd->keep_alive_intvl = keep_alive_intvl;
3138
3139         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
3140                                   NO_SYNC_WMIFLAG);
3141
3142         if (ret == 0)
3143                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
3144
3145         return ret;
3146 }
3147
3148 int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3149                              enum ieee80211_band band,
3150                              struct ath6kl_htcap *htcap)
3151 {
3152         struct sk_buff *skb;
3153         struct wmi_set_htcap_cmd *cmd;
3154
3155         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3156         if (!skb)
3157                 return -ENOMEM;
3158
3159         cmd = (struct wmi_set_htcap_cmd *) skb->data;
3160
3161         /*
3162          * NOTE: Band in firmware matches enum ieee80211_band, it is unlikely
3163          * this will be changed in firmware. If at all there is any change in
3164          * band value, the host needs to be fixed.
3165          */
3166         cmd->band = band;
3167         cmd->ht_enable = !!htcap->ht_enable;
3168         cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3169         cmd->ht40_supported =
3170                 !!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3171         cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3172         cmd->intolerant_40mhz =
3173                 !!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3174         cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3175
3176         ath6kl_dbg(ATH6KL_DBG_WMI,
3177                    "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3178                    cmd->band, cmd->ht_enable, cmd->ht40_supported,
3179                    cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3180                    cmd->max_ampdu_len_exp);
3181         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
3182                                    NO_SYNC_WMIFLAG);
3183 }
3184
3185 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3186 {
3187         struct sk_buff *skb;
3188         int ret;
3189
3190         skb = ath6kl_wmi_get_new_buf(len);
3191         if (!skb)
3192                 return -ENOMEM;
3193
3194         memcpy(skb->data, buf, len);
3195
3196         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
3197
3198         return ret;
3199 }
3200
3201 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3202 {
3203         struct sk_buff *skb;
3204         struct wmi_mcast_filter_cmd *cmd;
3205         int ret;
3206
3207         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3208         if (!skb)
3209                 return -ENOMEM;
3210
3211         cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3212         cmd->mcast_all_enable = mc_all_on;
3213
3214         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
3215                                   NO_SYNC_WMIFLAG);
3216         return ret;
3217 }
3218
3219 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3220                                         u8 *filter, bool add_filter)
3221 {
3222         struct sk_buff *skb;
3223         struct wmi_mcast_filter_add_del_cmd *cmd;
3224         int ret;
3225
3226         if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3227             (filter[0] != 0x01 || filter[1] != 0x00 ||
3228             filter[2] != 0x5e || filter[3] > 0x7f)) {
3229                 ath6kl_warn("invalid multicast filter address\n");
3230                 return -EINVAL;
3231         }
3232
3233         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3234         if (!skb)
3235                 return -ENOMEM;
3236
3237         cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3238         memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3239         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3240                                   add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3241                                   WMI_DEL_MCAST_FILTER_CMDID,
3242                                   NO_SYNC_WMIFLAG);
3243
3244         return ret;
3245 }
3246
3247 int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3248 {
3249         struct sk_buff *skb;
3250         struct wmi_sta_bmiss_enhance_cmd *cmd;
3251         int ret;
3252
3253         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3254         if (!skb)
3255                 return -ENOMEM;
3256
3257         cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data;
3258         cmd->enable = enhance ? 1 : 0;
3259
3260         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3261                                   WMI_STA_BMISS_ENHANCE_CMDID,
3262                                   NO_SYNC_WMIFLAG);
3263         return ret;
3264 }
3265
3266 int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
3267 {
3268         struct sk_buff *skb;
3269         struct wmi_set_regdomain_cmd *cmd;
3270
3271         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3272         if (!skb)
3273                 return -ENOMEM;
3274
3275         cmd = (struct wmi_set_regdomain_cmd *) skb->data;
3276         memcpy(cmd->iso_name, alpha2, 2);
3277
3278         return ath6kl_wmi_cmd_send(wmi, 0, skb,
3279                                    WMI_SET_REGDOMAIN_CMDID,
3280                                    NO_SYNC_WMIFLAG);
3281 }
3282
3283 s32 ath6kl_wmi_get_rate(s8 rate_index)
3284 {
3285         u8 sgi = 0;
3286
3287         if (rate_index == RATE_AUTO)
3288                 return 0;
3289
3290         /* SGI is stored as the MSB of the rate_index */
3291         if (rate_index & RATE_INDEX_MSB) {
3292                 rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;
3293                 sgi = 1;
3294         }
3295
3296         if (WARN_ON(rate_index > RATE_MCS_7_40))
3297                 rate_index = RATE_MCS_7_40;
3298
3299         return wmi_rate_tbl[(u32) rate_index][sgi];
3300 }
3301
3302 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3303                                               u32 len)
3304 {
3305         struct wmi_pmkid_list_reply *reply;
3306         u32 expected_len;
3307
3308         if (len < sizeof(struct wmi_pmkid_list_reply))
3309                 return -EINVAL;
3310
3311         reply = (struct wmi_pmkid_list_reply *)datap;
3312         expected_len = sizeof(reply->num_pmkid) +
3313                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3314
3315         if (len < expected_len)
3316                 return -EINVAL;
3317
3318         return 0;
3319 }
3320
3321 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3322                                          struct ath6kl_vif *vif)
3323 {
3324         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3325
3326         aggr_recv_addba_req_evt(vif, cmd->tid,
3327                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
3328
3329         return 0;
3330 }
3331
3332 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3333                                          struct ath6kl_vif *vif)
3334 {
3335         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3336
3337         aggr_recv_delba_req_evt(vif, cmd->tid);
3338
3339         return 0;
3340 }
3341
3342 /*  AP mode functions */
3343
3344 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3345                                  struct wmi_connect_cmd *p)
3346 {
3347         struct sk_buff *skb;
3348         struct wmi_connect_cmd *cm;
3349         int res;
3350
3351         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3352         if (!skb)
3353                 return -ENOMEM;
3354
3355         cm = (struct wmi_connect_cmd *) skb->data;
3356         memcpy(cm, p, sizeof(*cm));
3357
3358         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3359                                   NO_SYNC_WMIFLAG);
3360         ath6kl_dbg(ATH6KL_DBG_WMI,
3361                    "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3362                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3363                    le32_to_cpu(p->ctrl_flags), res);
3364         return res;
3365 }
3366
3367 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3368                            u16 reason)
3369 {
3370         struct sk_buff *skb;
3371         struct wmi_ap_set_mlme_cmd *cm;
3372
3373         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3374         if (!skb)
3375                 return -ENOMEM;
3376
3377         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3378         memcpy(cm->mac, mac, ETH_ALEN);
3379         cm->reason = cpu_to_le16(reason);
3380         cm->cmd = cmd;
3381
3382         ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3383                    cm->reason);
3384
3385         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3386                                    NO_SYNC_WMIFLAG);
3387 }
3388
3389 int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3390 {
3391         struct sk_buff *skb;
3392         struct wmi_ap_hidden_ssid_cmd *cmd;
3393
3394         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3395         if (!skb)
3396                 return -ENOMEM;
3397
3398         cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3399         cmd->hidden_ssid = enable ? 1 : 0;
3400
3401         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3402                                    NO_SYNC_WMIFLAG);
3403 }
3404
3405 /* This command will be used to enable/disable AP uAPSD feature */
3406 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3407 {
3408         struct wmi_ap_set_apsd_cmd *cmd;
3409         struct sk_buff *skb;
3410
3411         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3412         if (!skb)
3413                 return -ENOMEM;
3414
3415         cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3416         cmd->enable = enable;
3417
3418         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3419                                    NO_SYNC_WMIFLAG);
3420 }
3421
3422 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3423                                              u16 aid, u16 bitmap, u32 flags)
3424 {
3425         struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3426         struct sk_buff *skb;
3427
3428         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3429         if (!skb)
3430                 return -ENOMEM;
3431
3432         cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3433         cmd->aid = cpu_to_le16(aid);
3434         cmd->bitmap = cpu_to_le16(bitmap);
3435         cmd->flags = cpu_to_le32(flags);
3436
3437         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3438                                    WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3439                                    NO_SYNC_WMIFLAG);
3440 }
3441
3442 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3443                                       struct ath6kl_vif *vif)
3444 {
3445         struct wmi_pspoll_event *ev;
3446
3447         if (len < sizeof(struct wmi_pspoll_event))
3448                 return -EINVAL;
3449
3450         ev = (struct wmi_pspoll_event *) datap;
3451
3452         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3453
3454         return 0;
3455 }
3456
3457 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3458                                           struct ath6kl_vif *vif)
3459 {
3460         ath6kl_dtimexpiry_event(vif);
3461
3462         return 0;
3463 }
3464
3465 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3466                            bool flag)
3467 {
3468         struct sk_buff *skb;
3469         struct wmi_ap_set_pvb_cmd *cmd;
3470         int ret;
3471
3472         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3473         if (!skb)
3474                 return -ENOMEM;
3475
3476         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3477         cmd->aid = cpu_to_le16(aid);
3478         cmd->rsvd = cpu_to_le16(0);
3479         cmd->flag = cpu_to_le32(flag);
3480
3481         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3482                                   NO_SYNC_WMIFLAG);
3483
3484         return 0;
3485 }
3486
3487 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3488                                        u8 rx_meta_ver,
3489                                        bool rx_dot11_hdr, bool defrag_on_host)
3490 {
3491         struct sk_buff *skb;
3492         struct wmi_rx_frame_format_cmd *cmd;
3493         int ret;
3494
3495         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3496         if (!skb)
3497                 return -ENOMEM;
3498
3499         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3500         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3501         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3502         cmd->meta_ver = rx_meta_ver;
3503
3504         /* Delete the local aggr state, on host */
3505         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3506                                   NO_SYNC_WMIFLAG);
3507
3508         return ret;
3509 }
3510
3511 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3512                              const u8 *ie, u8 ie_len)
3513 {
3514         struct sk_buff *skb;
3515         struct wmi_set_appie_cmd *p;
3516
3517         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3518         if (!skb)
3519                 return -ENOMEM;
3520
3521         ath6kl_dbg(ATH6KL_DBG_WMI,
3522                    "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3523                    mgmt_frm_type, ie_len);
3524         p = (struct wmi_set_appie_cmd *) skb->data;
3525         p->mgmt_frm_type = mgmt_frm_type;
3526         p->ie_len = ie_len;
3527
3528         if (ie != NULL && ie_len > 0)
3529                 memcpy(p->ie_info, ie, ie_len);
3530
3531         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3532                                    NO_SYNC_WMIFLAG);
3533 }
3534
3535 int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3536                           const u8 *ie_info, u8 ie_len)
3537 {
3538         struct sk_buff *skb;
3539         struct wmi_set_ie_cmd *p;
3540
3541         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3542         if (!skb)
3543                 return -ENOMEM;
3544
3545         ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3546                    ie_id, ie_field, ie_len);
3547         p = (struct wmi_set_ie_cmd *) skb->data;
3548         p->ie_id = ie_id;
3549         p->ie_field = ie_field;
3550         p->ie_len = ie_len;
3551         if (ie_info && ie_len > 0)
3552                 memcpy(p->ie_info, ie_info, ie_len);
3553
3554         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,
3555                                    NO_SYNC_WMIFLAG);
3556 }
3557
3558 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3559 {
3560         struct sk_buff *skb;
3561         struct wmi_disable_11b_rates_cmd *cmd;
3562
3563         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3564         if (!skb)
3565                 return -ENOMEM;
3566
3567         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3568                    disable);
3569         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3570         cmd->disable = disable ? 1 : 0;
3571
3572         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3573                                    NO_SYNC_WMIFLAG);
3574 }
3575
3576 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3577 {
3578         struct sk_buff *skb;
3579         struct wmi_remain_on_chnl_cmd *p;
3580
3581         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3582         if (!skb)
3583                 return -ENOMEM;
3584
3585         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3586                    freq, dur);
3587         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3588         p->freq = cpu_to_le32(freq);
3589         p->duration = cpu_to_le32(dur);
3590         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3591                                    NO_SYNC_WMIFLAG);
3592 }
3593
3594 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3595  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3596  * mgmt operations using station interface.
3597  */
3598 static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3599                                       u32 freq, u32 wait, const u8 *data,
3600                                       u16 data_len)
3601 {
3602         struct sk_buff *skb;
3603         struct wmi_send_action_cmd *p;
3604         u8 *buf;
3605
3606         if (wait)
3607                 return -EINVAL; /* Offload for wait not supported */
3608
3609         buf = kmalloc(data_len, GFP_KERNEL);
3610         if (!buf)
3611                 return -ENOMEM;
3612
3613         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3614         if (!skb) {
3615                 kfree(buf);
3616                 return -ENOMEM;
3617         }
3618
3619         kfree(wmi->last_mgmt_tx_frame);
3620         memcpy(buf, data, data_len);
3621         wmi->last_mgmt_tx_frame = buf;
3622         wmi->last_mgmt_tx_frame_len = data_len;
3623
3624         ath6kl_dbg(ATH6KL_DBG_WMI,
3625                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3626                    id, freq, wait, data_len);
3627         p = (struct wmi_send_action_cmd *) skb->data;
3628         p->id = cpu_to_le32(id);
3629         p->freq = cpu_to_le32(freq);
3630         p->wait = cpu_to_le32(wait);
3631         p->len = cpu_to_le16(data_len);
3632         memcpy(p->data, data, data_len);
3633         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3634                                    NO_SYNC_WMIFLAG);
3635 }
3636
3637 static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3638                                       u32 freq, u32 wait, const u8 *data,
3639                                       u16 data_len, u32 no_cck)
3640 {
3641         struct sk_buff *skb;
3642         struct wmi_send_mgmt_cmd *p;
3643         u8 *buf;
3644
3645         if (wait)
3646                 return -EINVAL; /* Offload for wait not supported */
3647
3648         buf = kmalloc(data_len, GFP_KERNEL);
3649         if (!buf)
3650                 return -ENOMEM;
3651
3652         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3653         if (!skb) {
3654                 kfree(buf);
3655                 return -ENOMEM;
3656         }
3657
3658         kfree(wmi->last_mgmt_tx_frame);
3659         memcpy(buf, data, data_len);
3660         wmi->last_mgmt_tx_frame = buf;
3661         wmi->last_mgmt_tx_frame_len = data_len;
3662
3663         ath6kl_dbg(ATH6KL_DBG_WMI,
3664                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3665                    id, freq, wait, data_len);
3666         p = (struct wmi_send_mgmt_cmd *) skb->data;
3667         p->id = cpu_to_le32(id);
3668         p->freq = cpu_to_le32(freq);
3669         p->wait = cpu_to_le32(wait);
3670         p->no_cck = cpu_to_le32(no_cck);
3671         p->len = cpu_to_le16(data_len);
3672         memcpy(p->data, data, data_len);
3673         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3674                                    NO_SYNC_WMIFLAG);
3675 }
3676
3677 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3678                                 u32 wait, const u8 *data, u16 data_len,
3679                                 u32 no_cck)
3680 {
3681         int status;
3682         struct ath6kl *ar = wmi->parent_dev;
3683
3684         if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3685                      ar->fw_capabilities)) {
3686                 /*
3687                  * If capable of doing P2P mgmt operations using
3688                  * station interface, send additional information like
3689                  * supported rates to advertise and xmit rates for
3690                  * probe requests
3691                  */
3692                 status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3693                                                     wait, data, data_len,
3694                                                     no_cck);
3695         } else {
3696                 status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3697                                                     wait, data, data_len);
3698         }
3699
3700         return status;
3701 }
3702
3703 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3704                                        const u8 *dst, const u8 *data,
3705                                        u16 data_len)
3706 {
3707         struct sk_buff *skb;
3708         struct wmi_p2p_probe_response_cmd *p;
3709         size_t cmd_len = sizeof(*p) + data_len;
3710
3711         if (data_len == 0)
3712                 cmd_len++; /* work around target minimum length requirement */
3713
3714         skb = ath6kl_wmi_get_new_buf(cmd_len);
3715         if (!skb)
3716                 return -ENOMEM;
3717
3718         ath6kl_dbg(ATH6KL_DBG_WMI,
3719                    "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3720                    freq, dst, data_len);
3721         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3722         p->freq = cpu_to_le32(freq);
3723         memcpy(p->destination_addr, dst, ETH_ALEN);
3724         p->len = cpu_to_le16(data_len);
3725         memcpy(p->data, data, data_len);
3726         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3727                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3728                                    NO_SYNC_WMIFLAG);
3729 }
3730
3731 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3732 {
3733         struct sk_buff *skb;
3734         struct wmi_probe_req_report_cmd *p;
3735
3736         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3737         if (!skb)
3738                 return -ENOMEM;
3739
3740         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3741                    enable);
3742         p = (struct wmi_probe_req_report_cmd *) skb->data;
3743         p->enable = enable ? 1 : 0;
3744         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3745                                    NO_SYNC_WMIFLAG);
3746 }
3747
3748 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3749 {
3750         struct sk_buff *skb;
3751         struct wmi_get_p2p_info *p;
3752
3753         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3754         if (!skb)
3755                 return -ENOMEM;
3756
3757         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3758                    info_req_flags);
3759         p = (struct wmi_get_p2p_info *) skb->data;
3760         p->info_req_flags = cpu_to_le32(info_req_flags);
3761         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3762                                    NO_SYNC_WMIFLAG);
3763 }
3764
3765 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3766 {
3767         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3768         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3769                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3770 }
3771
3772 int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3773 {
3774         struct sk_buff *skb;
3775         struct wmi_set_inact_period_cmd *cmd;
3776
3777         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3778         if (!skb)
3779                 return -ENOMEM;
3780
3781         cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3782         cmd->inact_period = cpu_to_le32(inact_timeout);
3783         cmd->num_null_func = 0;
3784
3785         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,
3786                                    NO_SYNC_WMIFLAG);
3787 }
3788
3789 static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,
3790                                                int len)
3791 {
3792         struct wmix_hb_challenge_resp_cmd *cmd;
3793
3794         if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
3795                 return;
3796
3797         cmd = (struct wmix_hb_challenge_resp_cmd *) datap;
3798         ath6kl_recovery_hb_event(wmi->parent_dev,
3799                                  le32_to_cpu(cmd->cookie));
3800 }
3801
3802 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3803 {
3804         struct wmix_cmd_hdr *cmd;
3805         u32 len;
3806         u16 id;
3807         u8 *datap;
3808         int ret = 0;
3809
3810         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3811                 ath6kl_err("bad packet 1\n");
3812                 return -EINVAL;
3813         }
3814
3815         cmd = (struct wmix_cmd_hdr *) skb->data;
3816         id = le32_to_cpu(cmd->cmd_id);
3817
3818         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3819
3820         datap = skb->data;
3821         len = skb->len;
3822
3823         switch (id) {
3824         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3825                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3826                 ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);
3827                 break;
3828         case WMIX_DBGLOG_EVENTID:
3829                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3830                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3831                 break;
3832         default:
3833                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3834                 ret = -EINVAL;
3835                 break;
3836         }
3837
3838         return ret;
3839 }
3840
3841 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3842 {
3843         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3844 }
3845
3846 /* Process interface specific wmi events, caller would free the datap */
3847 static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3848                                         u8 *datap, u32 len)
3849 {
3850         struct ath6kl_vif *vif;
3851
3852         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3853         if (!vif) {
3854                 ath6kl_dbg(ATH6KL_DBG_WMI,
3855                            "Wmi event for unavailable vif, vif_index:%d\n",
3856                             if_idx);
3857                 return -EINVAL;
3858         }
3859
3860         switch (cmd_id) {
3861         case WMI_CONNECT_EVENTID:
3862                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3863                 return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3864         case WMI_DISCONNECT_EVENTID:
3865                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3866                 return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3867         case WMI_TKIP_MICERR_EVENTID:
3868                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3869                 return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3870         case WMI_BSSINFO_EVENTID:
3871                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3872                 return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3873         case WMI_NEIGHBOR_REPORT_EVENTID:
3874                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3875                 return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3876                                                            vif);
3877         case WMI_SCAN_COMPLETE_EVENTID:
3878                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3879                 return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3880         case WMI_REPORT_STATISTICS_EVENTID:
3881                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3882                 return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3883         case WMI_CAC_EVENTID:
3884                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3885                 return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3886         case WMI_PSPOLL_EVENTID:
3887                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3888                 return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3889         case WMI_DTIMEXPIRY_EVENTID:
3890                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3891                 return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3892         case WMI_ADDBA_REQ_EVENTID:
3893                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3894                 return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3895         case WMI_DELBA_REQ_EVENTID:
3896                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3897                 return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3898         case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3899                 ath6kl_dbg(ATH6KL_DBG_WMI,
3900                            "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3901                 return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3902         case WMI_REMAIN_ON_CHNL_EVENTID:
3903                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3904                 return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3905         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3906                 ath6kl_dbg(ATH6KL_DBG_WMI,
3907                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3908                 return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3909                                                                  len, vif);
3910         case WMI_TX_STATUS_EVENTID:
3911                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3912                 return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3913         case WMI_RX_PROBE_REQ_EVENTID:
3914                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3915                 return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3916         case WMI_RX_ACTION_EVENTID:
3917                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3918                 return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3919         case WMI_TXE_NOTIFY_EVENTID:
3920                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");
3921                 return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
3922         default:
3923                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3924                 return -EINVAL;
3925         }
3926
3927         return 0;
3928 }
3929
3930 static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3931 {
3932         struct wmi_cmd_hdr *cmd;
3933         int ret = 0;
3934         u32 len;
3935         u16 id;
3936         u8 if_idx;
3937         u8 *datap;
3938
3939         cmd = (struct wmi_cmd_hdr *) skb->data;
3940         id = le16_to_cpu(cmd->cmd_id);
3941         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3942
3943         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3944         datap = skb->data;
3945         len = skb->len;
3946
3947         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3948         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3949                         datap, len);
3950
3951         switch (id) {
3952         case WMI_GET_BITRATE_CMDID:
3953                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3954                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3955                 break;
3956         case WMI_GET_CHANNEL_LIST_CMDID:
3957                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3958                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3959                 break;
3960         case WMI_GET_TX_PWR_CMDID:
3961                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3962                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3963                 break;
3964         case WMI_READY_EVENTID:
3965                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3966                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3967                 break;
3968         case WMI_PEER_NODE_EVENTID:
3969                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3970                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
3971                 break;
3972         case WMI_REGDOMAIN_EVENTID:
3973                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
3974                 ath6kl_wmi_regdomain_event(wmi, datap, len);
3975                 break;
3976         case WMI_PSTREAM_TIMEOUT_EVENTID:
3977                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
3978                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
3979                 break;
3980         case WMI_CMDERROR_EVENTID:
3981                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
3982                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
3983                 break;
3984         case WMI_RSSI_THRESHOLD_EVENTID:
3985                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
3986                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
3987                 break;
3988         case WMI_ERROR_REPORT_EVENTID:
3989                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
3990                 break;
3991         case WMI_OPT_RX_FRAME_EVENTID:
3992                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
3993                 /* this event has been deprecated */
3994                 break;
3995         case WMI_REPORT_ROAM_TBL_EVENTID:
3996                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
3997                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
3998                 break;
3999         case WMI_EXTENSION_EVENTID:
4000                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
4001                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
4002                 break;
4003         case WMI_CHANNEL_CHANGE_EVENTID:
4004                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
4005                 break;
4006         case WMI_REPORT_ROAM_DATA_EVENTID:
4007                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
4008                 break;
4009         case WMI_TEST_EVENTID:
4010                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
4011                 ret = ath6kl_wmi_test_rx(wmi, datap, len);
4012                 break;
4013         case WMI_GET_FIXRATES_CMDID:
4014                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
4015                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
4016                 break;
4017         case WMI_TX_RETRY_ERR_EVENTID:
4018                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
4019                 break;
4020         case WMI_SNR_THRESHOLD_EVENTID:
4021                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
4022                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
4023                 break;
4024         case WMI_LQ_THRESHOLD_EVENTID:
4025                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
4026                 break;
4027         case WMI_APLIST_EVENTID:
4028                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
4029                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
4030                 break;
4031         case WMI_GET_KEEPALIVE_CMDID:
4032                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
4033                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
4034                 break;
4035         case WMI_GET_WOW_LIST_EVENTID:
4036                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
4037                 break;
4038         case WMI_GET_PMKID_LIST_EVENTID:
4039                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
4040                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
4041                 break;
4042         case WMI_SET_PARAMS_REPLY_EVENTID:
4043                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
4044                 break;
4045         case WMI_ADDBA_RESP_EVENTID:
4046                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
4047                 break;
4048         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
4049                 ath6kl_dbg(ATH6KL_DBG_WMI,
4050                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
4051                 break;
4052         case WMI_REPORT_BTCOEX_STATS_EVENTID:
4053                 ath6kl_dbg(ATH6KL_DBG_WMI,
4054                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
4055                 break;
4056         case WMI_TX_COMPLETE_EVENTID:
4057                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
4058                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
4059                 break;
4060         case WMI_P2P_CAPABILITIES_EVENTID:
4061                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
4062                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
4063                 break;
4064         case WMI_P2P_INFO_EVENTID:
4065                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
4066                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
4067                 break;
4068         default:
4069                 /* may be the event is interface specific */
4070                 ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
4071                 break;
4072         }
4073
4074         dev_kfree_skb(skb);
4075         return ret;
4076 }
4077
4078 /* Control Path */
4079 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
4080 {
4081         if (WARN_ON(skb == NULL))
4082                 return -EINVAL;
4083
4084         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
4085                 ath6kl_err("bad packet 1\n");
4086                 dev_kfree_skb(skb);
4087                 return -EINVAL;
4088         }
4089
4090         trace_ath6kl_wmi_event(skb->data, skb->len);
4091
4092         return ath6kl_wmi_proc_events(wmi, skb);
4093 }
4094
4095 void ath6kl_wmi_reset(struct wmi *wmi)
4096 {
4097         spin_lock_bh(&wmi->lock);
4098
4099         wmi->fat_pipe_exist = 0;
4100         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
4101
4102         spin_unlock_bh(&wmi->lock);
4103 }
4104
4105 void *ath6kl_wmi_init(struct ath6kl *dev)
4106 {
4107         struct wmi *wmi;
4108
4109         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
4110         if (!wmi)
4111                 return NULL;
4112
4113         spin_lock_init(&wmi->lock);
4114
4115         wmi->parent_dev = dev;
4116
4117         wmi->pwr_mode = REC_POWER;
4118
4119         ath6kl_wmi_reset(wmi);
4120
4121         return wmi;
4122 }
4123
4124 void ath6kl_wmi_shutdown(struct wmi *wmi)
4125 {
4126         if (!wmi)
4127                 return;
4128
4129         kfree(wmi->last_mgmt_tx_frame);
4130         kfree(wmi);
4131 }