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 "../regd.h"
  24 #include "../regd_common.h"
  25
  26 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
  27
  28 static const s32 wmi_rate_tbl[][2] = {
  29         /* {W/O SGI, with SGI} */
  30         {1000, 1000},
  31         {2000, 2000},
  32         {5500, 5500},
  33         {11000, 11000},
  34         {6000, 6000},
  35         {9000, 9000},
  36         {12000, 12000},
  37         {18000, 18000},
  38         {24000, 24000},
  39         {36000, 36000},
  40         {48000, 48000},
  41         {54000, 54000},
  42         {6500, 7200},
  43         {13000, 14400},
  44         {19500, 21700},
  45         {26000, 28900},
  46         {39000, 43300},
  47         {52000, 57800},
  48         {58500, 65000},
  49         {65000, 72200},
  50         {13500, 15000},
  51         {27000, 30000},
  52         {40500, 45000},
  53         {54000, 60000},
  54         {81000, 90000},
  55         {108000, 120000},
  56         {121500, 135000},
  57         {135000, 150000},
  58         {0, 0}
  59 };
  60
  61 /* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
  62 static const u8 up_to_ac[] = {
  63         WMM_AC_BE,
  64         WMM_AC_BK,
  65         WMM_AC_BK,
  66         WMM_AC_BE,
  67         WMM_AC_VI,
  68         WMM_AC_VI,
  69         WMM_AC_VO,
  70         WMM_AC_VO,
  71 };
  72
  73 void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
  74 {
  75         if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
  76                 return;
  77
  78         wmi->ep_id = ep_id;
  79 }
  80
  81 enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
  82 {
  83         return wmi->ep_id;
  84 }
  85
  86 struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
  87 {
  88         struct ath6kl_vif *vif, *found = NULL;
  89
  90         if (WARN_ON(if_idx > (ar->vif_max - 1)))
  91                 return NULL;
  92
  93         /* FIXME: Locking */
  94         spin_lock_bh(&ar->list_lock);
  95         list_for_each_entry(vif, &ar->vif_list, list) {
  96                 if (vif->fw_vif_idx == if_idx) {
  97                         found = vif;
  98                         break;
  99                 }
 100         }
 101         spin_unlock_bh(&ar->list_lock);
 102
 103         return found;
 104 }
 105
 106 /*  Performs DIX to 802.3 encapsulation for transmit packets.
 107  *  Assumes the entire DIX header is contigous and that there is
 108  *  enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
 109  */
 110 int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
 111 {
 112         struct ath6kl_llc_snap_hdr *llc_hdr;
 113         struct ethhdr *eth_hdr;
 114         size_t new_len;
 115         __be16 type;
 116         u8 *datap;
 117         u16 size;
 118
 119         if (WARN_ON(skb == NULL))
 120                 return -EINVAL;
 121
 122         size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
 123         if (skb_headroom(skb) < size)
 124                 return -ENOMEM;
 125
 126         eth_hdr = (struct ethhdr *) skb->data;
 127         type = eth_hdr->h_proto;
 128
 129         if (!is_ethertype(be16_to_cpu(type))) {
 130                 ath6kl_dbg(ATH6KL_DBG_WMI,
 131                            "%s: pkt is already in 802.3 format\n", __func__);
 132                 return 0;
 133         }
 134
 135         new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
 136
 137         skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
 138         datap = skb->data;
 139
 140         eth_hdr->h_proto = cpu_to_be16(new_len);
 141
 142         memcpy(datap, eth_hdr, sizeof(*eth_hdr));
 143
 144         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
 145         llc_hdr->dsap = 0xAA;
 146         llc_hdr->ssap = 0xAA;
 147         llc_hdr->cntl = 0x03;
 148         llc_hdr->org_code[0] = 0x0;
 149         llc_hdr->org_code[1] = 0x0;
 150         llc_hdr->org_code[2] = 0x0;
 151         llc_hdr->eth_type = type;
 152
 153         return 0;
 154 }
 155
 156 static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
 157                                u8 *version, void *tx_meta_info)
 158 {
 159         struct wmi_tx_meta_v1 *v1;
 160         struct wmi_tx_meta_v2 *v2;
 161
 162         if (WARN_ON(skb == NULL || version == NULL))
 163                 return -EINVAL;
 164
 165         switch (*version) {
 166         case WMI_META_VERSION_1:
 167                 skb_push(skb, WMI_MAX_TX_META_SZ);
 168                 v1 = (struct wmi_tx_meta_v1 *) skb->data;
 169                 v1->pkt_id = 0;
 170                 v1->rate_plcy_id = 0;
 171                 *version = WMI_META_VERSION_1;
 172                 break;
 173         case WMI_META_VERSION_2:
 174                 skb_push(skb, WMI_MAX_TX_META_SZ);
 175                 v2 = (struct wmi_tx_meta_v2 *) skb->data;
 176                 memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
 177                        sizeof(struct wmi_tx_meta_v2));
 178                 break;
 179         }
 180
 181         return 0;
 182 }
 183
 184 int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
 185                             u8 msg_type, u32 flags,
 186                             enum wmi_data_hdr_data_type data_type,
 187                             u8 meta_ver, void *tx_meta_info, u8 if_idx)
 188 {
 189         struct wmi_data_hdr *data_hdr;
 190         int ret;
 191
 192         if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))
 193                 return -EINVAL;
 194
 195         if (tx_meta_info) {
 196                 ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
 197                 if (ret)
 198                         return ret;
 199         }
 200
 201         skb_push(skb, sizeof(struct wmi_data_hdr));
 202
 203         data_hdr = (struct wmi_data_hdr *)skb->data;
 204         memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
 205
 206         data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
 207         data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
 208
 209         if (flags & WMI_DATA_HDR_FLAGS_MORE)
 210                 data_hdr->info |= WMI_DATA_HDR_MORE;
 211
 212         if (flags & WMI_DATA_HDR_FLAGS_EOSP)
 213                 data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);
 214
 215         data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
 216         data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
 217
 218         return 0;
 219 }
 220
 221 u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
 222 {
 223         struct iphdr *ip_hdr = (struct iphdr *) pkt;
 224         u8 ip_pri;
 225
 226         /*
 227          * Determine IPTOS priority
 228          *
 229          * IP-TOS - 8bits
 230          *          : DSCP(6-bits) ECN(2-bits)
 231          *          : DSCP - P2 P1 P0 X X X
 232          * where (P2 P1 P0) form 802.1D
 233          */
 234         ip_pri = ip_hdr->tos >> 5;
 235         ip_pri &= 0x7;
 236
 237         if ((layer2_pri & 0x7) > ip_pri)
 238                 return (u8) layer2_pri & 0x7;
 239         else
 240                 return ip_pri;
 241 }
 242
 243 u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
 244 {
 245         return  up_to_ac[user_priority & 0x7];
 246 }
 247
 248 int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
 249                                        struct sk_buff *skb,
 250                                        u32 layer2_priority, bool wmm_enabled,
 251                                        u8 *ac)
 252 {
 253         struct wmi_data_hdr *data_hdr;
 254         struct ath6kl_llc_snap_hdr *llc_hdr;
 255         struct wmi_create_pstream_cmd cmd;
 256         u32 meta_size, hdr_size;
 257         u16 ip_type = IP_ETHERTYPE;
 258         u8 stream_exist, usr_pri;
 259         u8 traffic_class = WMM_AC_BE;
 260         u8 *datap;
 261
 262         if (WARN_ON(skb == NULL))
 263                 return -EINVAL;
 264
 265         datap = skb->data;
 266         data_hdr = (struct wmi_data_hdr *) datap;
 267
 268         meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
 269                      WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
 270
 271         if (!wmm_enabled) {
 272                 /* If WMM is disabled all traffic goes as BE traffic */
 273                 usr_pri = 0;
 274         } else {
 275                 hdr_size = sizeof(struct ethhdr);
 276
 277                 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
 278                                                          sizeof(struct
 279                                                                 wmi_data_hdr) +
 280                                                          meta_size + hdr_size);
 281
 282                 if (llc_hdr->eth_type == htons(ip_type)) {
 283                         /*
 284                          * Extract the endpoint info from the TOS field
 285                          * in the IP header.
 286                          */
 287                         usr_pri =
 288                            ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
 289                                         sizeof(struct ath6kl_llc_snap_hdr),
 290                                         layer2_priority);
 291                 } else
 292                         usr_pri = layer2_priority & 0x7;
 293
 294                 /*
 295                  * Queue the EAPOL frames in the same WMM_AC_VO queue
 296                  * as that of management frames.
 297                  */
 298                 if (skb->protocol == cpu_to_be16(ETH_P_PAE))
 299                         usr_pri = WMI_VOICE_USER_PRIORITY;
 300         }
 301
 302         /*
 303          * workaround for WMM S5
 304          *
 305          * FIXME: wmi->traffic_class is always 100 so this test doesn't
 306          * make sense
 307          */
 308         if ((wmi->traffic_class == WMM_AC_VI) &&
 309             ((usr_pri == 5) || (usr_pri == 4)))
 310                 usr_pri = 1;
 311
 312         /* Convert user priority to traffic class */
 313         traffic_class = up_to_ac[usr_pri & 0x7];
 314
 315         wmi_data_hdr_set_up(data_hdr, usr_pri);
 316
 317         spin_lock_bh(&wmi->lock);
 318         stream_exist = wmi->fat_pipe_exist;
 319         spin_unlock_bh(&wmi->lock);
 320
 321         if (!(stream_exist & (1 << traffic_class))) {
 322                 memset(&cmd, 0, sizeof(cmd));
 323                 cmd.traffic_class = traffic_class;
 324                 cmd.user_pri = usr_pri;
 325                 cmd.inactivity_int =
 326                         cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
 327                 /* Implicit streams are created with TSID 0xFF */
 328                 cmd.tsid = WMI_IMPLICIT_PSTREAM;
 329                 ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
 330         }
 331
 332         *ac = traffic_class;
 333
 334         return 0;
 335 }
 336
 337 int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
 338 {
 339         struct ieee80211_hdr_3addr *pwh, wh;
 340         struct ath6kl_llc_snap_hdr *llc_hdr;
 341         struct ethhdr eth_hdr;
 342         u32 hdr_size;
 343         u8 *datap;
 344         __le16 sub_type;
 345
 346         if (WARN_ON(skb == NULL))
 347                 return -EINVAL;
 348
 349         datap = skb->data;
 350         pwh = (struct ieee80211_hdr_3addr *) datap;
 351
 352         sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
 353
 354         memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
 355
 356         /* Strip off the 802.11 header */
 357         if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
 358                 hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
 359                                    sizeof(u32));
 360                 skb_pull(skb, hdr_size);
 361         } else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA))
 362                 skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
 363
 364         datap = skb->data;
 365         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
 366
 367         memset(&eth_hdr, 0, sizeof(eth_hdr));
 368         eth_hdr.h_proto = llc_hdr->eth_type;
 369
 370         switch ((le16_to_cpu(wh.frame_control)) &
 371                 (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
 372         case 0:
 373                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 374                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 375                 break;
 376         case IEEE80211_FCTL_TODS:
 377                 memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
 378                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 379                 break;
 380         case IEEE80211_FCTL_FROMDS:
 381                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 382                 memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
 383                 break;
 384         case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
 385                 break;
 386         }
 387
 388         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 389         skb_push(skb, sizeof(eth_hdr));
 390
 391         datap = skb->data;
 392
 393         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 394
 395         return 0;
 396 }
 397
 398 /*
 399  * Performs 802.3 to DIX encapsulation for received packets.
 400  * Assumes the entire 802.3 header is contigous.
 401  */
 402 int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
 403 {
 404         struct ath6kl_llc_snap_hdr *llc_hdr;
 405         struct ethhdr eth_hdr;
 406         u8 *datap;
 407
 408         if (WARN_ON(skb == NULL))
 409                 return -EINVAL;
 410
 411         datap = skb->data;
 412
 413         memcpy(&eth_hdr, datap, sizeof(eth_hdr));
 414
 415         llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
 416         eth_hdr.h_proto = llc_hdr->eth_type;
 417
 418         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 419         datap = skb->data;
 420
 421         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 422
 423         return 0;
 424 }
 425
 426 static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
 427 {
 428         struct tx_complete_msg_v1 *msg_v1;
 429         struct wmi_tx_complete_event *evt;
 430         int index;
 431         u16 size;
 432
 433         evt = (struct wmi_tx_complete_event *) datap;
 434
 435         ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
 436                    evt->num_msg, evt->msg_len, evt->msg_type);
 437
 438         for (index = 0; index < evt->num_msg; index++) {
 439                 size = sizeof(struct wmi_tx_complete_event) +
 440                     (index * sizeof(struct tx_complete_msg_v1));
 441                 msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
 442
 443                 ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
 444                            msg_v1->status, msg_v1->pkt_id,
 445                            msg_v1->rate_idx, msg_v1->ack_failures);
 446         }
 447
 448         return 0;
 449 }
 450
 451 static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
 452                                               int len, struct ath6kl_vif *vif)
 453 {
 454         struct wmi_remain_on_chnl_event *ev;
 455         u32 freq;
 456         u32 dur;
 457         struct ieee80211_channel *chan;
 458         struct ath6kl *ar = wmi->parent_dev;
 459         u32 id;
 460
 461         if (len < sizeof(*ev))
 462                 return -EINVAL;
 463
 464         ev = (struct wmi_remain_on_chnl_event *) datap;
 465         freq = le32_to_cpu(ev->freq);
 466         dur = le32_to_cpu(ev->duration);
 467         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
 468                    freq, dur);
 469         chan = ieee80211_get_channel(ar->wiphy, freq);
 470         if (!chan) {
 471                 ath6kl_dbg(ATH6KL_DBG_WMI,
 472                            "remain_on_chnl: Unknown channel (freq=%u)\n",
 473                            freq);
 474                 return -EINVAL;
 475         }
 476         id = vif->last_roc_id;
 477         cfg80211_ready_on_channel(&vif->wdev, id, chan,
 478                                   dur, GFP_ATOMIC);
 479
 480         return 0;
 481 }
 482
 483 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
 484                                                      u8 *datap, int len,
 485                                                      struct ath6kl_vif *vif)
 486 {
 487         struct wmi_cancel_remain_on_chnl_event *ev;
 488         u32 freq;
 489         u32 dur;
 490         struct ieee80211_channel *chan;
 491         struct ath6kl *ar = wmi->parent_dev;
 492         u32 id;
 493
 494         if (len < sizeof(*ev))
 495                 return -EINVAL;
 496
 497         ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
 498         freq = le32_to_cpu(ev->freq);
 499         dur = le32_to_cpu(ev->duration);
 500         ath6kl_dbg(ATH6KL_DBG_WMI,
 501                    "cancel_remain_on_chnl: freq=%u dur=%u status=%u\n",
 502                    freq, dur, ev->status);
 503         chan = ieee80211_get_channel(ar->wiphy, freq);
 504         if (!chan) {
 505                 ath6kl_dbg(ATH6KL_DBG_WMI,
 506                            "cancel_remain_on_chnl: Unknown channel (freq=%u)\n",
 507                            freq);
 508                 return -EINVAL;
 509         }
 510         if (vif->last_cancel_roc_id &&
 511             vif->last_cancel_roc_id + 1 == vif->last_roc_id)
 512                 id = vif->last_cancel_roc_id; /* event for cancel command */
 513         else
 514                 id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
 515         vif->last_cancel_roc_id = 0;
 516         cfg80211_remain_on_channel_expired(&vif->wdev, id, chan, GFP_ATOMIC);
 517
 518         return 0;
 519 }
 520
 521 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
 522                                          struct ath6kl_vif *vif)
 523 {
 524         struct wmi_tx_status_event *ev;
 525         u32 id;
 526
 527         if (len < sizeof(*ev))
 528                 return -EINVAL;
 529
 530         ev = (struct wmi_tx_status_event *) datap;
 531         id = le32_to_cpu(ev->id);
 532         ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
 533                    id, ev->ack_status);
 534         if (wmi->last_mgmt_tx_frame) {
 535                 cfg80211_mgmt_tx_status(&vif->wdev, id,
 536                                         wmi->last_mgmt_tx_frame,
 537                                         wmi->last_mgmt_tx_frame_len,
 538                                         !!ev->ack_status, GFP_ATOMIC);
 539                 kfree(wmi->last_mgmt_tx_frame);
 540                 wmi->last_mgmt_tx_frame = NULL;
 541                 wmi->last_mgmt_tx_frame_len = 0;
 542         }
 543
 544         return 0;
 545 }
 546
 547 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
 548                                             struct ath6kl_vif *vif)
 549 {
 550         struct wmi_p2p_rx_probe_req_event *ev;
 551         u32 freq;
 552         u16 dlen;
 553
 554         if (len < sizeof(*ev))
 555                 return -EINVAL;
 556
 557         ev = (struct wmi_p2p_rx_probe_req_event *) datap;
 558         freq = le32_to_cpu(ev->freq);
 559         dlen = le16_to_cpu(ev->len);
 560         if (datap + len < ev->data + dlen) {
 561                 ath6kl_err("invalid wmi_p2p_rx_probe_req_event: len=%d dlen=%u\n",
 562                            len, dlen);
 563                 return -EINVAL;
 564         }
 565         ath6kl_dbg(ATH6KL_DBG_WMI,
 566                    "rx_probe_req: len=%u freq=%u probe_req_report=%d\n",
 567                    dlen, freq, vif->probe_req_report);
 568
 569         if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
 570                 cfg80211_rx_mgmt(&vif->wdev, freq, 0,
 571                                  ev->data, dlen, GFP_ATOMIC);
 572
 573         return 0;
 574 }
 575
 576 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
 577 {
 578         struct wmi_p2p_capabilities_event *ev;
 579         u16 dlen;
 580
 581         if (len < sizeof(*ev))
 582                 return -EINVAL;
 583
 584         ev = (struct wmi_p2p_capabilities_event *) datap;
 585         dlen = le16_to_cpu(ev->len);
 586         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
 587
 588         return 0;
 589 }
 590
 591 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 592                                          struct ath6kl_vif *vif)
 593 {
 594         struct wmi_rx_action_event *ev;
 595         u32 freq;
 596         u16 dlen;
 597
 598         if (len < sizeof(*ev))
 599                 return -EINVAL;
 600
 601         ev = (struct wmi_rx_action_event *) datap;
 602         freq = le32_to_cpu(ev->freq);
 603         dlen = le16_to_cpu(ev->len);
 604         if (datap + len < ev->data + dlen) {
 605                 ath6kl_err("invalid wmi_rx_action_event: len=%d dlen=%u\n",
 606                            len, dlen);
 607                 return -EINVAL;
 608         }
 609         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
 610         cfg80211_rx_mgmt(&vif->wdev, freq, 0,
 611                          ev->data, dlen, GFP_ATOMIC);
 612
 613         return 0;
 614 }
 615
 616 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
 617 {
 618         struct wmi_p2p_info_event *ev;
 619         u32 flags;
 620         u16 dlen;
 621
 622         if (len < sizeof(*ev))
 623                 return -EINVAL;
 624
 625         ev = (struct wmi_p2p_info_event *) datap;
 626         flags = le32_to_cpu(ev->info_req_flags);
 627         dlen = le16_to_cpu(ev->len);
 628         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
 629
 630         if (flags & P2P_FLAG_CAPABILITIES_REQ) {
 631                 struct wmi_p2p_capabilities *cap;
 632                 if (dlen < sizeof(*cap))
 633                         return -EINVAL;
 634                 cap = (struct wmi_p2p_capabilities *) ev->data;
 635                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
 636                            cap->go_power_save);
 637         }
 638
 639         if (flags & P2P_FLAG_MACADDR_REQ) {
 640                 struct wmi_p2p_macaddr *mac;
 641                 if (dlen < sizeof(*mac))
 642                         return -EINVAL;
 643                 mac = (struct wmi_p2p_macaddr *) ev->data;
 644                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
 645                            mac->mac_addr);
 646         }
 647
 648         if (flags & P2P_FLAG_HMODEL_REQ) {
 649                 struct wmi_p2p_hmodel *mod;
 650                 if (dlen < sizeof(*mod))
 651                         return -EINVAL;
 652                 mod = (struct wmi_p2p_hmodel *) ev->data;
 653                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
 654                            mod->p2p_model,
 655                            mod->p2p_model ? "host" : "firmware");
 656         }
 657         return 0;
 658 }
 659
 660 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
 661 {
 662         struct sk_buff *skb;
 663
 664         skb = ath6kl_buf_alloc(size);
 665         if (!skb)
 666                 return NULL;
 667
 668         skb_put(skb, size);
 669         if (size)
 670                 memset(skb->data, 0, size);
 671
 672         return skb;
 673 }
 674
 675 /* Send a "simple" wmi command -- one with no arguments */
 676 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
 677                                  enum wmi_cmd_id cmd_id)
 678 {
 679         struct sk_buff *skb;
 680         int ret;
 681
 682         skb = ath6kl_wmi_get_new_buf(0);
 683         if (!skb)
 684                 return -ENOMEM;
 685
 686         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
 687
 688         return ret;
 689 }
 690
 691 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
 692 {
 693         struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
 694
 695         if (len < sizeof(struct wmi_ready_event_2))
 696                 return -EINVAL;
 697
 698         ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
 699                            le32_to_cpu(ev->sw_version),
 700                            le32_to_cpu(ev->abi_version), ev->phy_cap);
 701
 702         return 0;
 703 }
 704
 705 /*
 706  * Mechanism to modify the roaming behavior in the firmware. The lower rssi
 707  * at which the station has to roam can be passed with
 708  * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
 709  * in dBm.
 710  */
 711 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
 712 {
 713         struct sk_buff *skb;
 714         struct roam_ctrl_cmd *cmd;
 715
 716         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 717         if (!skb)
 718                 return -ENOMEM;
 719
 720         cmd = (struct roam_ctrl_cmd *) skb->data;
 721
 722         cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
 723         cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
 724                                                        DEF_SCAN_FOR_ROAM_INTVL);
 725         cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
 726         cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
 727         cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
 728
 729         ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 730                             NO_SYNC_WMIFLAG);
 731
 732         return 0;
 733 }
 734
 735 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
 736 {
 737         struct sk_buff *skb;
 738         struct roam_ctrl_cmd *cmd;
 739
 740         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 741         if (!skb)
 742                 return -ENOMEM;
 743
 744         cmd = (struct roam_ctrl_cmd *) skb->data;
 745
 746         memcpy(cmd->info.bssid, bssid, ETH_ALEN);
 747         cmd->roam_ctrl = WMI_FORCE_ROAM;
 748
 749         ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
 750         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 751                                    NO_SYNC_WMIFLAG);
 752 }
 753
 754 int ath6kl_wmi_ap_set_beacon_intvl_cmd(struct wmi *wmi, u8 if_idx,
 755                                        u32 beacon_intvl)
 756 {
 757         struct sk_buff *skb;
 758         struct set_beacon_int_cmd *cmd;
 759
 760         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 761         if (!skb)
 762                 return -ENOMEM;
 763
 764         cmd = (struct set_beacon_int_cmd *) skb->data;
 765
 766         cmd->beacon_intvl = cpu_to_le32(beacon_intvl);
 767         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 768                                    WMI_SET_BEACON_INT_CMDID, NO_SYNC_WMIFLAG);
 769 }
 770
 771 int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period)
 772 {
 773         struct sk_buff *skb;
 774         struct set_dtim_cmd *cmd;
 775
 776         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 777         if (!skb)
 778                 return -ENOMEM;
 779
 780         cmd = (struct set_dtim_cmd *) skb->data;
 781
 782         cmd->dtim_period = cpu_to_le32(dtim_period);
 783         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 784                                    WMI_AP_SET_DTIM_CMDID, NO_SYNC_WMIFLAG);
 785 }
 786
 787 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 788 {
 789         struct sk_buff *skb;
 790         struct roam_ctrl_cmd *cmd;
 791
 792         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 793         if (!skb)
 794                 return -ENOMEM;
 795
 796         cmd = (struct roam_ctrl_cmd *) skb->data;
 797
 798         cmd->info.roam_mode = mode;
 799         cmd->roam_ctrl = WMI_SET_ROAM_MODE;
 800
 801         ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
 802         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 803                                    NO_SYNC_WMIFLAG);
 804 }
 805
 806 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
 807                                        struct ath6kl_vif *vif)
 808 {
 809         struct wmi_connect_event *ev;
 810         u8 *pie, *peie;
 811
 812         if (len < sizeof(struct wmi_connect_event))
 813                 return -EINVAL;
 814
 815         ev = (struct wmi_connect_event *) datap;
 816
 817         if (vif->nw_type == AP_NETWORK) {
 818                 /* AP mode start/STA connected event */
 819                 struct net_device *dev = vif->ndev;
 820                 if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
 821                         ath6kl_dbg(ATH6KL_DBG_WMI,
 822                                    "%s: freq %d bssid %pM (AP started)\n",
 823                                    __func__, le16_to_cpu(ev->u.ap_bss.ch),
 824                                    ev->u.ap_bss.bssid);
 825                         ath6kl_connect_ap_mode_bss(
 826                                 vif, le16_to_cpu(ev->u.ap_bss.ch));
 827                 } else {
 828                         ath6kl_dbg(ATH6KL_DBG_WMI,
 829                                    "%s: aid %u mac_addr %pM auth=%u keymgmt=%u cipher=%u apsd_info=%u (STA connected)\n",
 830                                    __func__, ev->u.ap_sta.aid,
 831                                    ev->u.ap_sta.mac_addr,
 832                                    ev->u.ap_sta.auth,
 833                                    ev->u.ap_sta.keymgmt,
 834                                    le16_to_cpu(ev->u.ap_sta.cipher),
 835                                    ev->u.ap_sta.apsd_info);
 836
 837                         ath6kl_connect_ap_mode_sta(
 838                                 vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
 839                                 ev->u.ap_sta.keymgmt,
 840                                 le16_to_cpu(ev->u.ap_sta.cipher),
 841                                 ev->u.ap_sta.auth, ev->assoc_req_len,
 842                                 ev->assoc_info + ev->beacon_ie_len,
 843                                 ev->u.ap_sta.apsd_info);
 844                 }
 845                 return 0;
 846         }
 847
 848         /* STA/IBSS mode connection event */
 849
 850         ath6kl_dbg(ATH6KL_DBG_WMI,
 851                    "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
 852                    le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
 853                    le16_to_cpu(ev->u.sta.listen_intvl),
 854                    le16_to_cpu(ev->u.sta.beacon_intvl),
 855                    le32_to_cpu(ev->u.sta.nw_type));
 856
 857         /* Start of assoc rsp IEs */
 858         pie = ev->assoc_info + ev->beacon_ie_len +
 859               ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
 860
 861         /* End of assoc rsp IEs */
 862         peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
 863             ev->assoc_resp_len;
 864
 865         while (pie < peie) {
 866                 switch (*pie) {
 867                 case WLAN_EID_VENDOR_SPECIFIC:
 868                         if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
 869                             pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
 870                                 /* WMM OUT (00:50:F2) */
 871                                 if (pie[1] > 5 &&
 872                                     pie[6] == WMM_PARAM_OUI_SUBTYPE)
 873                                         wmi->is_wmm_enabled = true;
 874                         }
 875                         break;
 876                 }
 877
 878                 if (wmi->is_wmm_enabled)
 879                         break;
 880
 881                 pie += pie[1] + 2;
 882         }
 883
 884         ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
 885                              ev->u.sta.bssid,
 886                              le16_to_cpu(ev->u.sta.listen_intvl),
 887                              le16_to_cpu(ev->u.sta.beacon_intvl),
 888                              le32_to_cpu(ev->u.sta.nw_type),
 889                              ev->beacon_ie_len, ev->assoc_req_len,
 890                              ev->assoc_resp_len, ev->assoc_info);
 891
 892         return 0;
 893 }
 894
 895 static struct country_code_to_enum_rd *
 896 ath6kl_regd_find_country(u16 countryCode)
 897 {
 898         int i;
 899
 900         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 901                 if (allCountries[i].countryCode == countryCode)
 902                         return &allCountries[i];
 903         }
 904
 905         return NULL;
 906 }
 907
 908 static struct reg_dmn_pair_mapping *
 909 ath6kl_get_regpair(u16 regdmn)
 910 {
 911         int i;
 912
 913         if (regdmn == NO_ENUMRD)
 914                 return NULL;
 915
 916         for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
 917                 if (regDomainPairs[i].regDmnEnum == regdmn)
 918                         return &regDomainPairs[i];
 919         }
 920
 921         return NULL;
 922 }
 923
 924 static struct country_code_to_enum_rd *
 925 ath6kl_regd_find_country_by_rd(u16 regdmn)
 926 {
 927         int i;
 928
 929         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 930                 if (allCountries[i].regDmnEnum == regdmn)
 931                         return &allCountries[i];
 932         }
 933
 934         return NULL;
 935 }
 936
 937 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 938 {
 939
 940         struct ath6kl_wmi_regdomain *ev;
 941         struct country_code_to_enum_rd *country = NULL;
 942         struct reg_dmn_pair_mapping *regpair = NULL;
 943         char alpha2[2];
 944         u32 reg_code;
 945
 946         ev = (struct ath6kl_wmi_regdomain *) datap;
 947         reg_code = le32_to_cpu(ev->reg_code);
 948
 949         if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG)
 950                 country = ath6kl_regd_find_country((u16) reg_code);
 951         else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
 952
 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->regDmnEnum);
 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
1503                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1504                 tsinfo = le16_to_cpu(ts->tsinfo);
1505                 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1506                         IEEE80211_WMM_IE_TSPEC_TID_MASK;
1507
1508                 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1509                                               reply->ac, tsid);
1510         } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1511                 /*
1512                  * Following assumes that there is only one outstanding
1513                  * ADDTS request when this event is received
1514                  */
1515                 spin_lock_bh(&wmi->lock);
1516                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1517                 spin_unlock_bh(&wmi->lock);
1518
1519                 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1520                         if ((active_tsids >> index) & 1)
1521                                 break;
1522                 }
1523                 if (index < (sizeof(active_tsids) * 8))
1524                         ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1525                                                       reply->ac, index);
1526         }
1527
1528         /*
1529          * Clear active tsids and Add missing handling
1530          * for delete qos stream from AP
1531          */
1532         else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1533
1534                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1535                 tsinfo = le16_to_cpu(ts->tsinfo);
1536                 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1537                          IEEE80211_WMM_IE_TSPEC_TID_MASK);
1538
1539                 spin_lock_bh(&wmi->lock);
1540                 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1541                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1542                 spin_unlock_bh(&wmi->lock);
1543
1544                 /* Indicate stream inactivity to driver layer only if all tsids
1545                  * within this AC are deleted.
1546                  */
1547                 if (!active_tsids) {
1548                         ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1549                                                     false);
1550                         wmi->fat_pipe_exist &= ~(1 << reply->ac);
1551                 }
1552         }
1553
1554         return 0;
1555 }
1556
1557 static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,
1558                                           struct ath6kl_vif *vif)
1559 {
1560         struct wmi_txe_notify_event *ev;
1561         u32 rate, pkts;
1562
1563         if (len < sizeof(*ev))
1564                 return -EINVAL;
1565
1566         if (vif->sme_state != SME_CONNECTED)
1567                 return -ENOTCONN;
1568
1569         ev = (struct wmi_txe_notify_event *) datap;
1570         rate = le32_to_cpu(ev->rate);
1571         pkts = le32_to_cpu(ev->pkts);
1572
1573         ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d% pkts %d intvl %ds\n",
1574                    vif->bssid, rate, pkts, vif->txe_intvl);
1575
1576         cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,
1577                                 rate, vif->txe_intvl, GFP_KERNEL);
1578
1579         return 0;
1580 }
1581
1582 int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
1583                               u32 rate, u32 pkts, u32 intvl)
1584 {
1585         struct sk_buff *skb;
1586         struct wmi_txe_notify_cmd *cmd;
1587
1588         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1589         if (!skb)
1590                 return -ENOMEM;
1591
1592         cmd = (struct wmi_txe_notify_cmd *) skb->data;
1593         cmd->rate = cpu_to_le32(rate);
1594         cmd->pkts = cpu_to_le32(pkts);
1595         cmd->intvl = cpu_to_le32(intvl);
1596
1597         return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,
1598                                    NO_SYNC_WMIFLAG);
1599 }
1600
1601 int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
1602 {
1603         struct sk_buff *skb;
1604         struct wmi_set_rssi_filter_cmd *cmd;
1605         int ret;
1606
1607         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1608         if (!skb)
1609                 return -ENOMEM;
1610
1611         cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
1612         cmd->rssi = rssi;
1613
1614         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,
1615                                   NO_SYNC_WMIFLAG);
1616         return ret;
1617 }
1618
1619 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1620                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1621 {
1622         struct sk_buff *skb;
1623         struct wmi_snr_threshold_params_cmd *cmd;
1624
1625         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1626         if (!skb)
1627                 return -ENOMEM;
1628
1629         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1630         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1631
1632         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1633                                    NO_SYNC_WMIFLAG);
1634 }
1635
1636 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1637                                              int len)
1638 {
1639         struct wmi_snr_threshold_event *reply;
1640         struct sq_threshold_params *sq_thresh;
1641         struct wmi_snr_threshold_params_cmd cmd;
1642         enum wmi_snr_threshold_val new_threshold;
1643         u8 upper_snr_threshold, lower_snr_threshold;
1644         s16 snr;
1645         int ret;
1646
1647         if (len < sizeof(struct wmi_snr_threshold_event))
1648                 return -EINVAL;
1649
1650         reply = (struct wmi_snr_threshold_event *) datap;
1651
1652         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1653         snr = reply->snr;
1654
1655         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1656
1657         /*
1658          * Identify the threshold breached and communicate that to the app.
1659          * After that install a new set of thresholds based on the signal
1660          * quality reported by the target.
1661          */
1662         if (new_threshold) {
1663                 /* Upper threshold breached */
1664                 if (snr < sq_thresh->upper_threshold[0]) {
1665                         ath6kl_dbg(ATH6KL_DBG_WMI,
1666                                    "spurious upper snr threshold event: %d\n",
1667                                    snr);
1668                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1669                            (snr >= sq_thresh->upper_threshold[0])) {
1670                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1671                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1672                            (snr >= sq_thresh->upper_threshold[1])) {
1673                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1674                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1675                            (snr >= sq_thresh->upper_threshold[2])) {
1676                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1677                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1678                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1679                 }
1680         } else {
1681                 /* Lower threshold breached */
1682                 if (snr > sq_thresh->lower_threshold[0]) {
1683                         ath6kl_dbg(ATH6KL_DBG_WMI,
1684                                    "spurious lower snr threshold event: %d\n",
1685                                    sq_thresh->lower_threshold[0]);
1686                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1687                            (snr <= sq_thresh->lower_threshold[0])) {
1688                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1689                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1690                            (snr <= sq_thresh->lower_threshold[1])) {
1691                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1692                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1693                            (snr <= sq_thresh->lower_threshold[2])) {
1694                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1695                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1696                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1697                 }
1698         }
1699
1700         /* Calculate and install the next set of thresholds */
1701         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1702                                        sq_thresh->lower_threshold_valid_count);
1703         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1704                                        sq_thresh->upper_threshold_valid_count);
1705
1706         /* Issue a wmi command to install the thresholds */
1707         cmd.thresh_above1_val = upper_snr_threshold;
1708         cmd.thresh_below1_val = lower_snr_threshold;
1709         cmd.weight = sq_thresh->weight;
1710         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1711
1712         ath6kl_dbg(ATH6KL_DBG_WMI,
1713                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1714                    snr, new_threshold,
1715                    lower_snr_threshold, upper_snr_threshold);
1716
1717         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1718         if (ret) {
1719                 ath6kl_err("unable to configure snr threshold\n");
1720                 return -EIO;
1721         }
1722
1723         return 0;
1724 }
1725
1726 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1727 {
1728         u16 ap_info_entry_size;
1729         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1730         struct wmi_ap_info_v1 *ap_info_v1;
1731         u8 index;
1732
1733         if (len < sizeof(struct wmi_aplist_event) ||
1734             ev->ap_list_ver != APLIST_VER1)
1735                 return -EINVAL;
1736
1737         ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1738         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1739
1740         ath6kl_dbg(ATH6KL_DBG_WMI,
1741                    "number of APs in aplist event: %d\n", ev->num_ap);
1742
1743         if (len < (int) (sizeof(struct wmi_aplist_event) +
1744                          (ev->num_ap - 1) * ap_info_entry_size))
1745                 return -EINVAL;
1746
1747         /* AP list version 1 contents */
1748         for (index = 0; index < ev->num_ap; index++) {
1749                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1750                            index, ap_info_v1->bssid, ap_info_v1->channel);
1751                 ap_info_v1++;
1752         }
1753
1754         return 0;
1755 }
1756
1757 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1758                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1759 {
1760         struct wmi_cmd_hdr *cmd_hdr;
1761         enum htc_endpoint_id ep_id = wmi->ep_id;
1762         int ret;
1763         u16 info1;
1764
1765         if (WARN_ON(skb == NULL ||
1766                     (if_idx > (wmi->parent_dev->vif_max - 1)))) {
1767                 dev_kfree_skb(skb);
1768                 return -EINVAL;
1769         }
1770
1771         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1772                    cmd_id, skb->len, sync_flag);
1773         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1774                         skb->data, skb->len);
1775
1776         if (sync_flag >= END_WMIFLAG) {
1777                 dev_kfree_skb(skb);
1778                 return -EINVAL;
1779         }
1780
1781         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1782             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1783                 /*
1784                  * Make sure all data currently queued is transmitted before
1785                  * the cmd execution.  Establish a new sync point.
1786                  */
1787                 ath6kl_wmi_sync_point(wmi, if_idx);
1788         }
1789
1790         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1791
1792         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1793         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1794         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1795         cmd_hdr->info1 = cpu_to_le16(info1);
1796
1797         /* Only for OPT_TX_CMD, use BE endpoint. */
1798         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1799                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1800                                               false, false, 0, NULL, if_idx);
1801                 if (ret) {
1802                         dev_kfree_skb(skb);
1803                         return ret;
1804                 }
1805                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1806         }
1807
1808         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1809
1810         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1811             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1812                 /*
1813                  * Make sure all new data queued waits for the command to
1814                  * execute. Establish a new sync point.
1815                  */
1816                 ath6kl_wmi_sync_point(wmi, if_idx);
1817         }
1818
1819         return 0;
1820 }
1821
1822 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1823                            enum network_type nw_type,
1824                            enum dot11_auth_mode dot11_auth_mode,
1825                            enum auth_mode auth_mode,
1826                            enum crypto_type pairwise_crypto,
1827                            u8 pairwise_crypto_len,
1828                            enum crypto_type group_crypto,
1829                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1830                            u8 *bssid, u16 channel, u32 ctrl_flags,
1831                            u8 nw_subtype)
1832 {
1833         struct sk_buff *skb;
1834         struct wmi_connect_cmd *cc;
1835         int ret;
1836
1837         ath6kl_dbg(ATH6KL_DBG_WMI,
1838                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1839                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1840                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1841                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1842         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1843
1844         wmi->traffic_class = 100;
1845
1846         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1847                 return -EINVAL;
1848
1849         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1850                 return -EINVAL;
1851
1852         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1853         if (!skb)
1854                 return -ENOMEM;
1855
1856         cc = (struct wmi_connect_cmd *) skb->data;
1857
1858         if (ssid_len)
1859                 memcpy(cc->ssid, ssid, ssid_len);
1860
1861         cc->ssid_len = ssid_len;
1862         cc->nw_type = nw_type;
1863         cc->dot11_auth_mode = dot11_auth_mode;
1864         cc->auth_mode = auth_mode;
1865         cc->prwise_crypto_type = pairwise_crypto;
1866         cc->prwise_crypto_len = pairwise_crypto_len;
1867         cc->grp_crypto_type = group_crypto;
1868         cc->grp_crypto_len = group_crypto_len;
1869         cc->ch = cpu_to_le16(channel);
1870         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1871         cc->nw_subtype = nw_subtype;
1872
1873         if (bssid != NULL)
1874                 memcpy(cc->bssid, bssid, ETH_ALEN);
1875
1876         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1877                                   NO_SYNC_WMIFLAG);
1878
1879         return ret;
1880 }
1881
1882 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1883                              u16 channel)
1884 {
1885         struct sk_buff *skb;
1886         struct wmi_reconnect_cmd *cc;
1887         int ret;
1888
1889         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1890                    bssid, channel);
1891
1892         wmi->traffic_class = 100;
1893
1894         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1895         if (!skb)
1896                 return -ENOMEM;
1897
1898         cc = (struct wmi_reconnect_cmd *) skb->data;
1899         cc->channel = cpu_to_le16(channel);
1900
1901         if (bssid != NULL)
1902                 memcpy(cc->bssid, bssid, ETH_ALEN);
1903
1904         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1905                                   NO_SYNC_WMIFLAG);
1906
1907         return ret;
1908 }
1909
1910 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1911 {
1912         int ret;
1913
1914         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1915
1916         wmi->traffic_class = 100;
1917
1918         /* Disconnect command does not need to do a SYNC before. */
1919         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1920
1921         return ret;
1922 }
1923
1924 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1925  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1926  * mgmt operations using station interface.
1927  */
1928 static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1929                                     enum wmi_scan_type scan_type,
1930                                     u32 force_fgscan, u32 is_legacy,
1931                                     u32 home_dwell_time,
1932                                     u32 force_scan_interval,
1933                                     s8 num_chan, u16 *ch_list)
1934 {
1935         struct sk_buff *skb;
1936         struct wmi_start_scan_cmd *sc;
1937         s8 size;
1938         int i, ret;
1939
1940         size = sizeof(struct wmi_start_scan_cmd);
1941
1942         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1943                 return -EINVAL;
1944
1945         if (num_chan > WMI_MAX_CHANNELS)
1946                 return -EINVAL;
1947
1948         if (num_chan)
1949                 size += sizeof(u16) * (num_chan - 1);
1950
1951         skb = ath6kl_wmi_get_new_buf(size);
1952         if (!skb)
1953                 return -ENOMEM;
1954
1955         sc = (struct wmi_start_scan_cmd *) skb->data;
1956         sc->scan_type = scan_type;
1957         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1958         sc->is_legacy = cpu_to_le32(is_legacy);
1959         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1960         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1961         sc->num_ch = num_chan;
1962
1963         for (i = 0; i < num_chan; i++)
1964                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1965
1966         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1967                                   NO_SYNC_WMIFLAG);
1968
1969         return ret;
1970 }
1971
1972 /*
1973  * beginscan supports (compared to old startscan) P2P mgmt operations using
1974  * station interface, send additional information like supported rates to
1975  * advertise and xmit rates for probe requests
1976  */
1977 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1978                              enum wmi_scan_type scan_type,
1979                              u32 force_fgscan, u32 is_legacy,
1980                              u32 home_dwell_time, u32 force_scan_interval,
1981                              s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
1982 {
1983         struct ieee80211_supported_band *sband;
1984         struct sk_buff *skb;
1985         struct wmi_begin_scan_cmd *sc;
1986         s8 size, *supp_rates;
1987         int i, band, ret;
1988         struct ath6kl *ar = wmi->parent_dev;
1989         int num_rates;
1990         u32 ratemask;
1991
1992         if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1993                       ar->fw_capabilities)) {
1994                 return ath6kl_wmi_startscan_cmd(wmi, if_idx,
1995                                                 scan_type, force_fgscan,
1996                                                 is_legacy, home_dwell_time,
1997                                                 force_scan_interval,
1998                                                 num_chan, ch_list);
1999         }
2000
2001         size = sizeof(struct wmi_begin_scan_cmd);
2002
2003         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
2004                 return -EINVAL;
2005
2006         if (num_chan > WMI_MAX_CHANNELS)
2007                 return -EINVAL;
2008
2009         if (num_chan)
2010                 size += sizeof(u16) * (num_chan - 1);
2011
2012         skb = ath6kl_wmi_get_new_buf(size);
2013         if (!skb)
2014                 return -ENOMEM;
2015
2016         sc = (struct wmi_begin_scan_cmd *) skb->data;
2017         sc->scan_type = scan_type;
2018         sc->force_fg_scan = cpu_to_le32(force_fgscan);
2019         sc->is_legacy = cpu_to_le32(is_legacy);
2020         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
2021         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
2022         sc->no_cck = cpu_to_le32(no_cck);
2023         sc->num_ch = num_chan;
2024
2025         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2026                 sband = ar->wiphy->bands[band];
2027
2028                 if (!sband)
2029                         continue;
2030
2031                 ratemask = rates[band];
2032                 supp_rates = sc->supp_rates[band].rates;
2033                 num_rates = 0;
2034
2035                 for (i = 0; i < sband->n_bitrates; i++) {
2036                         if ((BIT(i) & ratemask) == 0)
2037                                 continue; /* skip rate */
2038                         supp_rates[num_rates++] =
2039                             (u8) (sband->bitrates[i].bitrate / 5);
2040                 }
2041                 sc->supp_rates[band].nrates = num_rates;
2042         }
2043
2044         for (i = 0; i < num_chan; i++)
2045                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2046
2047         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
2048                                   NO_SYNC_WMIFLAG);
2049
2050         return ret;
2051 }
2052
2053 int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2054 {
2055         struct sk_buff *skb;
2056         struct wmi_enable_sched_scan_cmd *sc;
2057         int ret;
2058
2059         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2060         if (!skb)
2061                 return -ENOMEM;
2062
2063         ath6kl_dbg(ATH6KL_DBG_WMI, "%s scheduled scan on vif %d\n",
2064                    enable ? "enabling" : "disabling", if_idx);
2065         sc = (struct wmi_enable_sched_scan_cmd *) skb->data;
2066         sc->enable = enable ? 1 : 0;
2067
2068         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2069                                   WMI_ENABLE_SCHED_SCAN_CMDID,
2070                                   NO_SYNC_WMIFLAG);
2071         return ret;
2072 }
2073
2074 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
2075                               u16 fg_start_sec,
2076                               u16 fg_end_sec, u16 bg_sec,
2077                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
2078                               u16 pas_chdw_msec, u8 short_scan_ratio,
2079                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
2080                               u16 maxact_scan_per_ssid)
2081 {
2082         struct sk_buff *skb;
2083         struct wmi_scan_params_cmd *sc;
2084         int ret;
2085
2086         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2087         if (!skb)
2088                 return -ENOMEM;
2089
2090         sc = (struct wmi_scan_params_cmd *) skb->data;
2091         sc->fg_start_period = cpu_to_le16(fg_start_sec);
2092         sc->fg_end_period = cpu_to_le16(fg_end_sec);
2093         sc->bg_period = cpu_to_le16(bg_sec);
2094         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
2095         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
2096         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
2097         sc->short_scan_ratio = short_scan_ratio;
2098         sc->scan_ctrl_flags = scan_ctrl_flag;
2099         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
2100         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
2101
2102         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
2103                                   NO_SYNC_WMIFLAG);
2104         return ret;
2105 }
2106
2107 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
2108 {
2109         struct sk_buff *skb;
2110         struct wmi_bss_filter_cmd *cmd;
2111         int ret;
2112
2113         if (filter >= LAST_BSS_FILTER)
2114                 return -EINVAL;
2115
2116         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2117         if (!skb)
2118                 return -ENOMEM;
2119
2120         cmd = (struct wmi_bss_filter_cmd *) skb->data;
2121         cmd->bss_filter = filter;
2122         cmd->ie_mask = cpu_to_le32(ie_mask);
2123
2124         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
2125                                   NO_SYNC_WMIFLAG);
2126         return ret;
2127 }
2128
2129 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2130                               u8 ssid_len, u8 *ssid)
2131 {
2132         struct sk_buff *skb;
2133         struct wmi_probed_ssid_cmd *cmd;
2134         int ret;
2135
2136         if (index >= MAX_PROBED_SSIDS)
2137                 return -EINVAL;
2138
2139         if (ssid_len > sizeof(cmd->ssid))
2140                 return -EINVAL;
2141
2142         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2143                 return -EINVAL;
2144
2145         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2146                 return -EINVAL;
2147
2148         if (flag & SPECIFIC_SSID_FLAG)
2149                 wmi->is_probe_ssid = true;
2150
2151         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2152         if (!skb)
2153                 return -ENOMEM;
2154
2155         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2156         cmd->entry_index = index;
2157         cmd->flag = flag;
2158         cmd->ssid_len = ssid_len;
2159         memcpy(cmd->ssid, ssid, ssid_len);
2160
2161         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2162                                   NO_SYNC_WMIFLAG);
2163         return ret;
2164 }
2165
2166 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2167                                   u16 listen_interval,
2168                                   u16 listen_beacons)
2169 {
2170         struct sk_buff *skb;
2171         struct wmi_listen_int_cmd *cmd;
2172         int ret;
2173
2174         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2175         if (!skb)
2176                 return -ENOMEM;
2177
2178         cmd = (struct wmi_listen_int_cmd *) skb->data;
2179         cmd->listen_intvl = cpu_to_le16(listen_interval);
2180         cmd->num_beacons = cpu_to_le16(listen_beacons);
2181
2182         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2183                                   NO_SYNC_WMIFLAG);
2184         return ret;
2185 }
2186
2187 int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2188                              u16 bmiss_time, u16 num_beacons)
2189 {
2190         struct sk_buff *skb;
2191         struct wmi_bmiss_time_cmd *cmd;
2192         int ret;
2193
2194         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2195         if (!skb)
2196                 return -ENOMEM;
2197
2198         cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2199         cmd->bmiss_time = cpu_to_le16(bmiss_time);
2200         cmd->num_beacons = cpu_to_le16(num_beacons);
2201
2202         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2203                                   NO_SYNC_WMIFLAG);
2204         return ret;
2205 }
2206
2207 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2208 {
2209         struct sk_buff *skb;
2210         struct wmi_power_mode_cmd *cmd;
2211         int ret;
2212
2213         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2214         if (!skb)
2215                 return -ENOMEM;
2216
2217         cmd = (struct wmi_power_mode_cmd *) skb->data;
2218         cmd->pwr_mode = pwr_mode;
2219         wmi->pwr_mode = pwr_mode;
2220
2221         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2222                                   NO_SYNC_WMIFLAG);
2223         return ret;
2224 }
2225
2226 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2227                             u16 ps_poll_num, u16 dtim_policy,
2228                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2229                             u16 ps_fail_event_policy)
2230 {
2231         struct sk_buff *skb;
2232         struct wmi_power_params_cmd *pm;
2233         int ret;
2234
2235         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2236         if (!skb)
2237                 return -ENOMEM;
2238
2239         pm = (struct wmi_power_params_cmd *)skb->data;
2240         pm->idle_period = cpu_to_le16(idle_period);
2241         pm->pspoll_number = cpu_to_le16(ps_poll_num);
2242         pm->dtim_policy = cpu_to_le16(dtim_policy);
2243         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2244         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2245         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2246
2247         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2248                                   NO_SYNC_WMIFLAG);
2249         return ret;
2250 }
2251
2252 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2253 {
2254         struct sk_buff *skb;
2255         struct wmi_disc_timeout_cmd *cmd;
2256         int ret;
2257
2258         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2259         if (!skb)
2260                 return -ENOMEM;
2261
2262         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2263         cmd->discon_timeout = timeout;
2264
2265         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2266                                   NO_SYNC_WMIFLAG);
2267
2268         if (ret == 0)
2269                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2270
2271         return ret;
2272 }
2273
2274 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2275                           enum crypto_type key_type,
2276                           u8 key_usage, u8 key_len,
2277                           u8 *key_rsc, unsigned int key_rsc_len,
2278                           u8 *key_material,
2279                           u8 key_op_ctrl, u8 *mac_addr,
2280                           enum wmi_sync_flag sync_flag)
2281 {
2282         struct sk_buff *skb;
2283         struct wmi_add_cipher_key_cmd *cmd;
2284         int ret;
2285
2286         ath6kl_dbg(ATH6KL_DBG_WMI,
2287                    "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2288                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2289
2290         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2291             (key_material == NULL) || key_rsc_len > 8)
2292                 return -EINVAL;
2293
2294         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2295                 return -EINVAL;
2296
2297         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2298         if (!skb)
2299                 return -ENOMEM;
2300
2301         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2302         cmd->key_index = key_index;
2303         cmd->key_type = key_type;
2304         cmd->key_usage = key_usage;
2305         cmd->key_len = key_len;
2306         memcpy(cmd->key, key_material, key_len);
2307
2308         if (key_rsc != NULL)
2309                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2310
2311         cmd->key_op_ctrl = key_op_ctrl;
2312
2313         if (mac_addr)
2314                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2315
2316         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2317                                   sync_flag);
2318
2319         return ret;
2320 }
2321
2322 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk)
2323 {
2324         struct sk_buff *skb;
2325         struct wmi_add_krk_cmd *cmd;
2326         int ret;
2327
2328         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2329         if (!skb)
2330                 return -ENOMEM;
2331
2332         cmd = (struct wmi_add_krk_cmd *) skb->data;
2333         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2334
2335         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2336                                   NO_SYNC_WMIFLAG);
2337
2338         return ret;
2339 }
2340
2341 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2342 {
2343         struct sk_buff *skb;
2344         struct wmi_delete_cipher_key_cmd *cmd;
2345         int ret;
2346
2347         if (key_index > WMI_MAX_KEY_INDEX)
2348                 return -EINVAL;
2349
2350         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2351         if (!skb)
2352                 return -ENOMEM;
2353
2354         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2355         cmd->key_index = key_index;
2356
2357         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2358                                   NO_SYNC_WMIFLAG);
2359
2360         return ret;
2361 }
2362
2363 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2364                             const u8 *pmkid, bool set)
2365 {
2366         struct sk_buff *skb;
2367         struct wmi_setpmkid_cmd *cmd;
2368         int ret;
2369
2370         if (bssid == NULL)
2371                 return -EINVAL;
2372
2373         if (set && pmkid == NULL)
2374                 return -EINVAL;
2375
2376         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2377         if (!skb)
2378                 return -ENOMEM;
2379
2380         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2381         memcpy(cmd->bssid, bssid, ETH_ALEN);
2382         if (set) {
2383                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2384                 cmd->enable = PMKID_ENABLE;
2385         } else {
2386                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2387                 cmd->enable = PMKID_DISABLE;
2388         }
2389
2390         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2391                                   NO_SYNC_WMIFLAG);
2392
2393         return ret;
2394 }
2395
2396 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2397                               enum htc_endpoint_id ep_id, u8 if_idx)
2398 {
2399         struct wmi_data_hdr *data_hdr;
2400         int ret;
2401
2402         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {
2403                 dev_kfree_skb(skb);
2404                 return -EINVAL;
2405         }
2406
2407         skb_push(skb, sizeof(struct wmi_data_hdr));
2408
2409         data_hdr = (struct wmi_data_hdr *) skb->data;
2410         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2411         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2412
2413         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2414
2415         return ret;
2416 }
2417
2418 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2419 {
2420         struct sk_buff *skb;
2421         struct wmi_sync_cmd *cmd;
2422         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2423         enum htc_endpoint_id ep_id;
2424         u8 index, num_pri_streams = 0;
2425         int ret = 0;
2426
2427         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2428
2429         spin_lock_bh(&wmi->lock);
2430
2431         for (index = 0; index < WMM_NUM_AC; index++) {
2432                 if (wmi->fat_pipe_exist & (1 << index)) {
2433                         num_pri_streams++;
2434                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2435                             index;
2436                 }
2437         }
2438
2439         spin_unlock_bh(&wmi->lock);
2440
2441         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2442         if (!skb)
2443                 return -ENOMEM;
2444
2445         cmd = (struct wmi_sync_cmd *) skb->data;
2446
2447         /*
2448          * In the SYNC cmd sent on the control Ep, send a bitmap
2449          * of the data eps on which the Data Sync will be sent
2450          */
2451         cmd->data_sync_map = wmi->fat_pipe_exist;
2452
2453         for (index = 0; index < num_pri_streams; index++) {
2454                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2455                 if (data_sync_bufs[index].skb == NULL) {
2456                         ret = -ENOMEM;
2457                         break;
2458                 }
2459         }
2460
2461         /*
2462          * If buffer allocation for any of the dataSync fails,
2463          * then do not send the Synchronize cmd on the control ep
2464          */
2465         if (ret)
2466                 goto free_cmd_skb;
2467
2468         /*
2469          * Send sync cmd followed by sync data messages on all
2470          * endpoints being used
2471          */
2472         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2473                                   NO_SYNC_WMIFLAG);
2474
2475         if (ret)
2476                 goto free_data_skb;
2477
2478         for (index = 0; index < num_pri_streams; index++) {
2479
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                         /*
2706                          * FIXME: Is this lock & unlock inside
2707                          * for loop correct? may need rework.
2708                          */
2709                         spin_lock_bh(&wmi->lock);
2710                         active_tsids = wmi->stream_exist_for_ac[i];
2711                         spin_unlock_bh(&wmi->lock);
2712
2713                         /*
2714                          * If there are no user created thin streams
2715                          * delete the fatpipe
2716                          */
2717                         if (!active_tsids) {
2718                                 stream_exist &= ~(1 << i);
2719                                 /*
2720                                  * Indicate inactivity to driver layer for
2721                                  * this fatpipe (pstream)
2722                                  */
2723                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2724                                                             i, false);
2725                         }
2726                 }
2727         }
2728
2729         /* FIXME: Can we do this assignment without locking ? */
2730         spin_lock_bh(&wmi->lock);
2731         wmi->fat_pipe_exist = stream_exist;
2732         spin_unlock_bh(&wmi->lock);
2733 }
2734
2735 static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2736                                      const struct cfg80211_bitrate_mask *mask)
2737 {
2738         struct sk_buff *skb;
2739         int ret, mode, band;
2740         u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2741         struct wmi_set_tx_select_rates64_cmd *cmd;
2742
2743         memset(&ratemask, 0, sizeof(ratemask));
2744
2745         /* only check 2.4 and 5 GHz bands, skip the rest */
2746         for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2747                 /* copy legacy rate mask */
2748                 ratemask[band] = mask->control[band].legacy;
2749                 if (band == IEEE80211_BAND_5GHZ)
2750                         ratemask[band] =
2751                                 mask->control[band].legacy << 4;
2752
2753                 /* copy mcs rate mask */
2754                 mcsrate = mask->control[band].mcs[1];
2755                 mcsrate <<= 8;
2756                 mcsrate |= mask->control[band].mcs[0];
2757                 ratemask[band] |= mcsrate << 12;
2758                 ratemask[band] |= mcsrate << 28;
2759         }
2760
2761         ath6kl_dbg(ATH6KL_DBG_WMI,
2762                    "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2763                    ratemask[0], ratemask[1]);
2764
2765         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2766         if (!skb)
2767                 return -ENOMEM;
2768
2769         cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2770         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2771                 /* A mode operate in 5GHZ band */
2772                 if (mode == WMI_RATES_MODE_11A ||
2773                     mode == WMI_RATES_MODE_11A_HT20 ||
2774                     mode == WMI_RATES_MODE_11A_HT40)
2775                         band = IEEE80211_BAND_5GHZ;
2776                 else
2777                         band = IEEE80211_BAND_2GHZ;
2778                 cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2779         }
2780
2781         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2782                                   WMI_SET_TX_SELECT_RATES_CMDID,
2783                                   NO_SYNC_WMIFLAG);
2784         return ret;
2785 }
2786
2787 static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2788                                      const struct cfg80211_bitrate_mask *mask)
2789 {
2790         struct sk_buff *skb;
2791         int ret, mode, band;
2792         u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2793         struct wmi_set_tx_select_rates32_cmd *cmd;
2794
2795         memset(&ratemask, 0, sizeof(ratemask));
2796
2797         /* only check 2.4 and 5 GHz bands, skip the rest */
2798         for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2799                 /* copy legacy rate mask */
2800                 ratemask[band] = mask->control[band].legacy;
2801                 if (band == IEEE80211_BAND_5GHZ)
2802                         ratemask[band] =
2803                                 mask->control[band].legacy << 4;
2804
2805                 /* copy mcs rate mask */
2806                 mcsrate = mask->control[band].mcs[0];
2807                 ratemask[band] |= mcsrate << 12;
2808                 ratemask[band] |= mcsrate << 20;
2809         }
2810
2811         ath6kl_dbg(ATH6KL_DBG_WMI,
2812                    "Ratemask 32 bit: 2.4:%x 5:%x\n",
2813                    ratemask[0], ratemask[1]);
2814
2815         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2816         if (!skb)
2817                 return -ENOMEM;
2818
2819         cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2820         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2821                 /* A mode operate in 5GHZ band */
2822                 if (mode == WMI_RATES_MODE_11A ||
2823                     mode == WMI_RATES_MODE_11A_HT20 ||
2824                     mode == WMI_RATES_MODE_11A_HT40)
2825                         band = IEEE80211_BAND_5GHZ;
2826                 else
2827                         band = IEEE80211_BAND_2GHZ;
2828                 cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2829         }
2830
2831         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2832                                   WMI_SET_TX_SELECT_RATES_CMDID,
2833                                   NO_SYNC_WMIFLAG);
2834         return ret;
2835 }
2836
2837 int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2838                                 const struct cfg80211_bitrate_mask *mask)
2839 {
2840         struct ath6kl *ar = wmi->parent_dev;
2841
2842         if (ar->hw.flags & ATH6KL_HW_64BIT_RATES)
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         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2874                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2875                                   NO_SYNC_WMIFLAG);
2876         return ret;
2877 }
2878
2879 /* This command has zero length payload */
2880 static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2881                                                       struct ath6kl_vif *vif)
2882 {
2883         struct ath6kl *ar = wmi->parent_dev;
2884
2885         set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2886         wake_up(&ar->event_wq);
2887
2888         return 0;
2889 }
2890
2891 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2892                                 enum ath6kl_wow_mode wow_mode,
2893                                 u32 filter, u16 host_req_delay)
2894 {
2895         struct sk_buff *skb;
2896         struct wmi_set_wow_mode_cmd *cmd;
2897         int ret;
2898
2899         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2900             wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2901                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2902                 return -EINVAL;
2903         }
2904
2905         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2906         if (!skb)
2907                 return -ENOMEM;
2908
2909         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2910         cmd->enable_wow = cpu_to_le32(wow_mode);
2911         cmd->filter = cpu_to_le32(filter);
2912         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2913
2914         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2915                                   NO_SYNC_WMIFLAG);
2916         return ret;
2917 }
2918
2919 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2920                                    u8 list_id, u8 filter_size,
2921                                    u8 filter_offset, const u8 *filter,
2922                                    const u8 *mask)
2923 {
2924         struct sk_buff *skb;
2925         struct wmi_add_wow_pattern_cmd *cmd;
2926         u16 size;
2927         u8 *filter_mask;
2928         int ret;
2929
2930         /*
2931          * Allocate additional memory in the buffer to hold
2932          * filter and mask value, which is twice of filter_size.
2933          */
2934         size = sizeof(*cmd) + (2 * filter_size);
2935
2936         skb = ath6kl_wmi_get_new_buf(size);
2937         if (!skb)
2938                 return -ENOMEM;
2939
2940         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2941         cmd->filter_list_id = list_id;
2942         cmd->filter_size = filter_size;
2943         cmd->filter_offset = filter_offset;
2944
2945         memcpy(cmd->filter, filter, filter_size);
2946
2947         filter_mask = (u8 *) (cmd->filter + filter_size);
2948         memcpy(filter_mask, mask, filter_size);
2949
2950         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2951                                   NO_SYNC_WMIFLAG);
2952
2953         return ret;
2954 }
2955
2956 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2957                                    u16 list_id, u16 filter_id)
2958 {
2959         struct sk_buff *skb;
2960         struct wmi_del_wow_pattern_cmd *cmd;
2961         int ret;
2962
2963         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2964         if (!skb)
2965                 return -ENOMEM;
2966
2967         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2968         cmd->filter_list_id = cpu_to_le16(list_id);
2969         cmd->filter_id = cpu_to_le16(filter_id);
2970
2971         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2972                                   NO_SYNC_WMIFLAG);
2973         return ret;
2974 }
2975
2976 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2977                                     enum wmix_command_id cmd_id,
2978                                     enum wmi_sync_flag sync_flag)
2979 {
2980         struct wmix_cmd_hdr *cmd_hdr;
2981         int ret;
2982
2983         skb_push(skb, sizeof(struct wmix_cmd_hdr));
2984
2985         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2986         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2987
2988         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
2989
2990         return ret;
2991 }
2992
2993 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2994 {
2995         struct sk_buff *skb;
2996         struct wmix_hb_challenge_resp_cmd *cmd;
2997         int ret;
2998
2999         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3000         if (!skb)
3001                 return -ENOMEM;
3002
3003         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
3004         cmd->cookie = cpu_to_le32(cookie);
3005         cmd->source = cpu_to_le32(source);
3006
3007         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
3008                                        NO_SYNC_WMIFLAG);
3009         return ret;
3010 }
3011
3012 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
3013 {
3014         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
3015         struct sk_buff *skb;
3016         int ret;
3017
3018         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3019         if (!skb)
3020                 return -ENOMEM;
3021
3022         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
3023         cmd->valid = cpu_to_le32(valid);
3024         cmd->config = cpu_to_le32(config);
3025
3026         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
3027                                        NO_SYNC_WMIFLAG);
3028         return ret;
3029 }
3030
3031 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
3032 {
3033         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
3034 }
3035
3036 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
3037 {
3038         struct sk_buff *skb;
3039         struct wmi_set_tx_pwr_cmd *cmd;
3040         int ret;
3041
3042         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
3043         if (!skb)
3044                 return -ENOMEM;
3045
3046         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
3047         cmd->dbM = dbM;
3048
3049         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
3050                                   NO_SYNC_WMIFLAG);
3051
3052         return ret;
3053 }
3054
3055 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
3056 {
3057         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
3058 }
3059
3060 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
3061 {
3062         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
3063 }
3064
3065 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
3066                                  u8 preamble_policy)
3067 {
3068         struct sk_buff *skb;
3069         struct wmi_set_lpreamble_cmd *cmd;
3070         int ret;
3071
3072         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
3073         if (!skb)
3074                 return -ENOMEM;
3075
3076         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
3077         cmd->status = status;
3078         cmd->preamble_policy = preamble_policy;
3079
3080         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
3081                                   NO_SYNC_WMIFLAG);
3082         return ret;
3083 }
3084
3085 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
3086 {
3087         struct sk_buff *skb;
3088         struct wmi_set_rts_cmd *cmd;
3089         int ret;
3090
3091         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
3092         if (!skb)
3093                 return -ENOMEM;
3094
3095         cmd = (struct wmi_set_rts_cmd *) skb->data;
3096         cmd->threshold = cpu_to_le16(threshold);
3097
3098         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
3099                                   NO_SYNC_WMIFLAG);
3100         return ret;
3101 }
3102
3103 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
3104 {
3105         struct sk_buff *skb;
3106         struct wmi_set_wmm_txop_cmd *cmd;
3107         int ret;
3108
3109         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
3110                 return -EINVAL;
3111
3112         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
3113         if (!skb)
3114                 return -ENOMEM;
3115
3116         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
3117         cmd->txop_enable = cfg;
3118
3119         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
3120                                   NO_SYNC_WMIFLAG);
3121         return ret;
3122 }
3123
3124 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3125                                  u8 keep_alive_intvl)
3126 {
3127         struct sk_buff *skb;
3128         struct wmi_set_keepalive_cmd *cmd;
3129         int ret;
3130
3131         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3132         if (!skb)
3133                 return -ENOMEM;
3134
3135         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3136         cmd->keep_alive_intvl = keep_alive_intvl;
3137
3138         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
3139                                   NO_SYNC_WMIFLAG);
3140
3141         if (ret == 0)
3142                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
3143
3144         return ret;
3145 }
3146
3147 int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3148                              enum ieee80211_band band,
3149                              struct ath6kl_htcap *htcap)
3150 {
3151         struct sk_buff *skb;
3152         struct wmi_set_htcap_cmd *cmd;
3153
3154         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3155         if (!skb)
3156                 return -ENOMEM;
3157
3158         cmd = (struct wmi_set_htcap_cmd *) skb->data;
3159
3160         /*
3161          * NOTE: Band in firmware matches enum ieee80211_band, it is unlikely
3162          * this will be changed in firmware. If at all there is any change in
3163          * band value, the host needs to be fixed.
3164          */
3165         cmd->band = band;
3166         cmd->ht_enable = !!htcap->ht_enable;
3167         cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3168         cmd->ht40_supported =
3169                 !!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3170         cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3171         cmd->intolerant_40mhz =
3172                 !!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3173         cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3174
3175         ath6kl_dbg(ATH6KL_DBG_WMI,
3176                    "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3177                    cmd->band, cmd->ht_enable, cmd->ht40_supported,
3178                    cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3179                    cmd->max_ampdu_len_exp);
3180         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
3181                                    NO_SYNC_WMIFLAG);
3182 }
3183
3184 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3185 {
3186         struct sk_buff *skb;
3187         int ret;
3188
3189         skb = ath6kl_wmi_get_new_buf(len);
3190         if (!skb)
3191                 return -ENOMEM;
3192
3193         memcpy(skb->data, buf, len);
3194
3195         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
3196
3197         return ret;
3198 }
3199
3200 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3201 {
3202         struct sk_buff *skb;
3203         struct wmi_mcast_filter_cmd *cmd;
3204         int ret;
3205
3206         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3207         if (!skb)
3208                 return -ENOMEM;
3209
3210         cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3211         cmd->mcast_all_enable = mc_all_on;
3212
3213         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
3214                                   NO_SYNC_WMIFLAG);
3215         return ret;
3216 }
3217
3218 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3219                                         u8 *filter, bool add_filter)
3220 {
3221         struct sk_buff *skb;
3222         struct wmi_mcast_filter_add_del_cmd *cmd;
3223         int ret;
3224
3225         if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3226             (filter[0] != 0x01 || filter[1] != 0x00 ||
3227             filter[2] != 0x5e || filter[3] > 0x7f)) {
3228                 ath6kl_warn("invalid multicast filter address\n");
3229                 return -EINVAL;
3230         }
3231
3232         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3233         if (!skb)
3234                 return -ENOMEM;
3235
3236         cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3237         memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3238         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3239                                   add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3240                                   WMI_DEL_MCAST_FILTER_CMDID,
3241                                   NO_SYNC_WMIFLAG);
3242
3243         return ret;
3244 }
3245
3246 int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3247 {
3248         struct sk_buff *skb;
3249         struct wmi_sta_bmiss_enhance_cmd *cmd;
3250         int ret;
3251
3252         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3253         if (!skb)
3254                 return -ENOMEM;
3255
3256         cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data;
3257         cmd->enable = enhance ? 1 : 0;
3258
3259         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3260                                   WMI_STA_BMISS_ENHANCE_CMDID,
3261                                   NO_SYNC_WMIFLAG);
3262         return ret;
3263 }
3264
3265 int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
3266 {
3267         struct sk_buff *skb;
3268         struct wmi_set_regdomain_cmd *cmd;
3269
3270         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3271         if (!skb)
3272                 return -ENOMEM;
3273
3274         cmd = (struct wmi_set_regdomain_cmd *) skb->data;
3275         memcpy(cmd->iso_name, alpha2, 2);
3276
3277         return ath6kl_wmi_cmd_send(wmi, 0, skb,
3278                                    WMI_SET_REGDOMAIN_CMDID,
3279                                    NO_SYNC_WMIFLAG);
3280 }
3281
3282 s32 ath6kl_wmi_get_rate(s8 rate_index)
3283 {
3284         u8 sgi = 0;
3285
3286         if (rate_index == RATE_AUTO)
3287                 return 0;
3288
3289         /* SGI is stored as the MSB of the rate_index */
3290         if (rate_index & RATE_INDEX_MSB) {
3291                 rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;
3292                 sgi = 1;
3293         }
3294
3295         if (WARN_ON(rate_index > RATE_MCS_7_40))
3296                 rate_index = RATE_MCS_7_40;
3297
3298         return wmi_rate_tbl[(u32) rate_index][sgi];
3299 }
3300
3301 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3302                                               u32 len)
3303 {
3304         struct wmi_pmkid_list_reply *reply;
3305         u32 expected_len;
3306
3307         if (len < sizeof(struct wmi_pmkid_list_reply))
3308                 return -EINVAL;
3309
3310         reply = (struct wmi_pmkid_list_reply *)datap;
3311         expected_len = sizeof(reply->num_pmkid) +
3312                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3313
3314         if (len < expected_len)
3315                 return -EINVAL;
3316
3317         return 0;
3318 }
3319
3320 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3321                                          struct ath6kl_vif *vif)
3322 {
3323         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3324
3325         aggr_recv_addba_req_evt(vif, cmd->tid,
3326                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
3327
3328         return 0;
3329 }
3330
3331 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3332                                          struct ath6kl_vif *vif)
3333 {
3334         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3335
3336         aggr_recv_delba_req_evt(vif, cmd->tid);
3337
3338         return 0;
3339 }
3340
3341 /*  AP mode functions */
3342
3343 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3344                                  struct wmi_connect_cmd *p)
3345 {
3346         struct sk_buff *skb;
3347         struct wmi_connect_cmd *cm;
3348         int res;
3349
3350         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3351         if (!skb)
3352                 return -ENOMEM;
3353
3354         cm = (struct wmi_connect_cmd *) skb->data;
3355         memcpy(cm, p, sizeof(*cm));
3356
3357         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3358                                   NO_SYNC_WMIFLAG);
3359         ath6kl_dbg(ATH6KL_DBG_WMI,
3360                    "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3361                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3362                    le32_to_cpu(p->ctrl_flags), res);
3363         return res;
3364 }
3365
3366 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3367                            u16 reason)
3368 {
3369         struct sk_buff *skb;
3370         struct wmi_ap_set_mlme_cmd *cm;
3371
3372         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3373         if (!skb)
3374                 return -ENOMEM;
3375
3376         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3377         memcpy(cm->mac, mac, ETH_ALEN);
3378         cm->reason = cpu_to_le16(reason);
3379         cm->cmd = cmd;
3380
3381         ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3382                    cm->reason);
3383
3384         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3385                                    NO_SYNC_WMIFLAG);
3386 }
3387
3388 int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3389 {
3390         struct sk_buff *skb;
3391         struct wmi_ap_hidden_ssid_cmd *cmd;
3392
3393         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3394         if (!skb)
3395                 return -ENOMEM;
3396
3397         cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3398         cmd->hidden_ssid = enable ? 1 : 0;
3399
3400         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3401                                    NO_SYNC_WMIFLAG);
3402 }
3403
3404 /* This command will be used to enable/disable AP uAPSD feature */
3405 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3406 {
3407         struct wmi_ap_set_apsd_cmd *cmd;
3408         struct sk_buff *skb;
3409
3410         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3411         if (!skb)
3412                 return -ENOMEM;
3413
3414         cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3415         cmd->enable = enable;
3416
3417         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3418                                    NO_SYNC_WMIFLAG);
3419 }
3420
3421 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3422                                              u16 aid, u16 bitmap, u32 flags)
3423 {
3424         struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3425         struct sk_buff *skb;
3426
3427         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3428         if (!skb)
3429                 return -ENOMEM;
3430
3431         cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3432         cmd->aid = cpu_to_le16(aid);
3433         cmd->bitmap = cpu_to_le16(bitmap);
3434         cmd->flags = cpu_to_le32(flags);
3435
3436         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3437                                    WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3438                                    NO_SYNC_WMIFLAG);
3439 }
3440
3441 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3442                                       struct ath6kl_vif *vif)
3443 {
3444         struct wmi_pspoll_event *ev;
3445
3446         if (len < sizeof(struct wmi_pspoll_event))
3447                 return -EINVAL;
3448
3449         ev = (struct wmi_pspoll_event *) datap;
3450
3451         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3452
3453         return 0;
3454 }
3455
3456 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3457                                           struct ath6kl_vif *vif)
3458 {
3459         ath6kl_dtimexpiry_event(vif);
3460
3461         return 0;
3462 }
3463
3464 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3465                            bool flag)
3466 {
3467         struct sk_buff *skb;
3468         struct wmi_ap_set_pvb_cmd *cmd;
3469         int ret;
3470
3471         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3472         if (!skb)
3473                 return -ENOMEM;
3474
3475         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3476         cmd->aid = cpu_to_le16(aid);
3477         cmd->rsvd = cpu_to_le16(0);
3478         cmd->flag = cpu_to_le32(flag);
3479
3480         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3481                                   NO_SYNC_WMIFLAG);
3482
3483         return 0;
3484 }
3485
3486 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3487                                        u8 rx_meta_ver,
3488                                        bool rx_dot11_hdr, bool defrag_on_host)
3489 {
3490         struct sk_buff *skb;
3491         struct wmi_rx_frame_format_cmd *cmd;
3492         int ret;
3493
3494         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3495         if (!skb)
3496                 return -ENOMEM;
3497
3498         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3499         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3500         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3501         cmd->meta_ver = rx_meta_ver;
3502
3503         /* Delete the local aggr state, on host */
3504         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3505                                   NO_SYNC_WMIFLAG);
3506
3507         return ret;
3508 }
3509
3510 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3511                              const u8 *ie, u8 ie_len)
3512 {
3513         struct sk_buff *skb;
3514         struct wmi_set_appie_cmd *p;
3515
3516         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3517         if (!skb)
3518                 return -ENOMEM;
3519
3520         ath6kl_dbg(ATH6KL_DBG_WMI,
3521                    "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3522                    mgmt_frm_type, ie_len);
3523         p = (struct wmi_set_appie_cmd *) skb->data;
3524         p->mgmt_frm_type = mgmt_frm_type;
3525         p->ie_len = ie_len;
3526
3527         if (ie != NULL && ie_len > 0)
3528                 memcpy(p->ie_info, ie, ie_len);
3529
3530         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3531                                    NO_SYNC_WMIFLAG);
3532 }
3533
3534 int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3535                           const u8 *ie_info, u8 ie_len)
3536 {
3537         struct sk_buff *skb;
3538         struct wmi_set_ie_cmd *p;
3539
3540         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3541         if (!skb)
3542                 return -ENOMEM;
3543
3544         ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3545                    ie_id, ie_field, ie_len);
3546         p = (struct wmi_set_ie_cmd *) skb->data;
3547         p->ie_id = ie_id;
3548         p->ie_field = ie_field;
3549         p->ie_len = ie_len;
3550         if (ie_info && ie_len > 0)
3551                 memcpy(p->ie_info, ie_info, ie_len);
3552
3553         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,
3554                                    NO_SYNC_WMIFLAG);
3555 }
3556
3557 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3558 {
3559         struct sk_buff *skb;
3560         struct wmi_disable_11b_rates_cmd *cmd;
3561
3562         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3563         if (!skb)
3564                 return -ENOMEM;
3565
3566         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3567                    disable);
3568         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3569         cmd->disable = disable ? 1 : 0;
3570
3571         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3572                                    NO_SYNC_WMIFLAG);
3573 }
3574
3575 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3576 {
3577         struct sk_buff *skb;
3578         struct wmi_remain_on_chnl_cmd *p;
3579
3580         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3581         if (!skb)
3582                 return -ENOMEM;
3583
3584         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3585                    freq, dur);
3586         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3587         p->freq = cpu_to_le32(freq);
3588         p->duration = cpu_to_le32(dur);
3589         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3590                                    NO_SYNC_WMIFLAG);
3591 }
3592
3593 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3594  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3595  * mgmt operations using station interface.
3596  */
3597 static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3598                                       u32 freq, u32 wait, const u8 *data,
3599                                       u16 data_len)
3600 {
3601         struct sk_buff *skb;
3602         struct wmi_send_action_cmd *p;
3603         u8 *buf;
3604
3605         if (wait)
3606                 return -EINVAL; /* Offload for wait not supported */
3607
3608         buf = kmalloc(data_len, GFP_KERNEL);
3609         if (!buf)
3610                 return -ENOMEM;
3611
3612         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3613         if (!skb) {
3614                 kfree(buf);
3615                 return -ENOMEM;
3616         }
3617
3618         kfree(wmi->last_mgmt_tx_frame);
3619         memcpy(buf, data, data_len);
3620         wmi->last_mgmt_tx_frame = buf;
3621         wmi->last_mgmt_tx_frame_len = data_len;
3622
3623         ath6kl_dbg(ATH6KL_DBG_WMI,
3624                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3625                    id, freq, wait, data_len);
3626         p = (struct wmi_send_action_cmd *) skb->data;
3627         p->id = cpu_to_le32(id);
3628         p->freq = cpu_to_le32(freq);
3629         p->wait = cpu_to_le32(wait);
3630         p->len = cpu_to_le16(data_len);
3631         memcpy(p->data, data, data_len);
3632         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3633                                    NO_SYNC_WMIFLAG);
3634 }
3635
3636 static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3637                                       u32 freq, u32 wait, const u8 *data,
3638                                       u16 data_len, u32 no_cck)
3639 {
3640         struct sk_buff *skb;
3641         struct wmi_send_mgmt_cmd *p;
3642         u8 *buf;
3643
3644         if (wait)
3645                 return -EINVAL; /* Offload for wait not supported */
3646
3647         buf = kmalloc(data_len, GFP_KERNEL);
3648         if (!buf)
3649                 return -ENOMEM;
3650
3651         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3652         if (!skb) {
3653                 kfree(buf);
3654                 return -ENOMEM;
3655         }
3656
3657         kfree(wmi->last_mgmt_tx_frame);
3658         memcpy(buf, data, data_len);
3659         wmi->last_mgmt_tx_frame = buf;
3660         wmi->last_mgmt_tx_frame_len = data_len;
3661
3662         ath6kl_dbg(ATH6KL_DBG_WMI,
3663                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3664                    id, freq, wait, data_len);
3665         p = (struct wmi_send_mgmt_cmd *) skb->data;
3666         p->id = cpu_to_le32(id);
3667         p->freq = cpu_to_le32(freq);
3668         p->wait = cpu_to_le32(wait);
3669         p->no_cck = cpu_to_le32(no_cck);
3670         p->len = cpu_to_le16(data_len);
3671         memcpy(p->data, data, data_len);
3672         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3673                                    NO_SYNC_WMIFLAG);
3674 }
3675
3676 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3677                                 u32 wait, const u8 *data, u16 data_len,
3678                                 u32 no_cck)
3679 {
3680         int status;
3681         struct ath6kl *ar = wmi->parent_dev;
3682
3683         if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3684                      ar->fw_capabilities)) {
3685                 /*
3686                  * If capable of doing P2P mgmt operations using
3687                  * station interface, send additional information like
3688                  * supported rates to advertise and xmit rates for
3689                  * probe requests
3690                  */
3691                 status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3692                                                     wait, data, data_len,
3693                                                     no_cck);
3694         } else {
3695                 status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3696                                                     wait, data, data_len);
3697         }
3698
3699         return status;
3700 }
3701
3702 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3703                                        const u8 *dst, const u8 *data,
3704                                        u16 data_len)
3705 {
3706         struct sk_buff *skb;
3707         struct wmi_p2p_probe_response_cmd *p;
3708         size_t cmd_len = sizeof(*p) + data_len;
3709
3710         if (data_len == 0)
3711                 cmd_len++; /* work around target minimum length requirement */
3712
3713         skb = ath6kl_wmi_get_new_buf(cmd_len);
3714         if (!skb)
3715                 return -ENOMEM;
3716
3717         ath6kl_dbg(ATH6KL_DBG_WMI,
3718                    "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3719                    freq, dst, data_len);
3720         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3721         p->freq = cpu_to_le32(freq);
3722         memcpy(p->destination_addr, dst, ETH_ALEN);
3723         p->len = cpu_to_le16(data_len);
3724         memcpy(p->data, data, data_len);
3725         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3726                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3727                                    NO_SYNC_WMIFLAG);
3728 }
3729
3730 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3731 {
3732         struct sk_buff *skb;
3733         struct wmi_probe_req_report_cmd *p;
3734
3735         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3736         if (!skb)
3737                 return -ENOMEM;
3738
3739         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3740                    enable);
3741         p = (struct wmi_probe_req_report_cmd *) skb->data;
3742         p->enable = enable ? 1 : 0;
3743         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3744                                    NO_SYNC_WMIFLAG);
3745 }
3746
3747 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3748 {
3749         struct sk_buff *skb;
3750         struct wmi_get_p2p_info *p;
3751
3752         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3753         if (!skb)
3754                 return -ENOMEM;
3755
3756         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3757                    info_req_flags);
3758         p = (struct wmi_get_p2p_info *) skb->data;
3759         p->info_req_flags = cpu_to_le32(info_req_flags);
3760         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3761                                    NO_SYNC_WMIFLAG);
3762 }
3763
3764 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3765 {
3766         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3767         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3768                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3769 }
3770
3771 int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3772 {
3773         struct sk_buff *skb;
3774         struct wmi_set_inact_period_cmd *cmd;
3775
3776         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3777         if (!skb)
3778                 return -ENOMEM;
3779
3780         cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3781         cmd->inact_period = cpu_to_le32(inact_timeout);
3782         cmd->num_null_func = 0;
3783
3784         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,
3785                                    NO_SYNC_WMIFLAG);
3786 }
3787
3788 static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,
3789                                                int len)
3790 {
3791         struct wmix_hb_challenge_resp_cmd *cmd;
3792
3793         if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
3794                 return;
3795
3796         cmd = (struct wmix_hb_challenge_resp_cmd *) datap;
3797         ath6kl_recovery_hb_event(wmi->parent_dev,
3798                                  le32_to_cpu(cmd->cookie));
3799 }
3800
3801 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3802 {
3803         struct wmix_cmd_hdr *cmd;
3804         u32 len;
3805         u16 id;
3806         u8 *datap;
3807         int ret = 0;
3808
3809         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3810                 ath6kl_err("bad packet 1\n");
3811                 return -EINVAL;
3812         }
3813
3814         cmd = (struct wmix_cmd_hdr *) skb->data;
3815         id = le32_to_cpu(cmd->cmd_id);
3816
3817         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3818
3819         datap = skb->data;
3820         len = skb->len;
3821
3822         switch (id) {
3823         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3824                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3825                 ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);
3826                 break;
3827         case WMIX_DBGLOG_EVENTID:
3828                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3829                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3830                 break;
3831         default:
3832                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3833                 ret = -EINVAL;
3834                 break;
3835         }
3836
3837         return ret;
3838 }
3839
3840 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3841 {
3842         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3843 }
3844
3845 /* Process interface specific wmi events, caller would free the datap */
3846 static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3847                                         u8 *datap, u32 len)
3848 {
3849         struct ath6kl_vif *vif;
3850
3851         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3852         if (!vif) {
3853                 ath6kl_dbg(ATH6KL_DBG_WMI,
3854                            "Wmi event for unavailable vif, vif_index:%d\n",
3855                             if_idx);
3856                 return -EINVAL;
3857         }
3858
3859         switch (cmd_id) {
3860         case WMI_CONNECT_EVENTID:
3861                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3862                 return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3863         case WMI_DISCONNECT_EVENTID:
3864                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3865                 return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3866         case WMI_TKIP_MICERR_EVENTID:
3867                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3868                 return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3869         case WMI_BSSINFO_EVENTID:
3870                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3871                 return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3872         case WMI_NEIGHBOR_REPORT_EVENTID:
3873                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3874                 return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3875                                                            vif);
3876         case WMI_SCAN_COMPLETE_EVENTID:
3877                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3878                 return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3879         case WMI_REPORT_STATISTICS_EVENTID:
3880                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3881                 return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3882         case WMI_CAC_EVENTID:
3883                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3884                 return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3885         case WMI_PSPOLL_EVENTID:
3886                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3887                 return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3888         case WMI_DTIMEXPIRY_EVENTID:
3889                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3890                 return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3891         case WMI_ADDBA_REQ_EVENTID:
3892                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3893                 return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3894         case WMI_DELBA_REQ_EVENTID:
3895                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3896                 return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3897         case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3898                 ath6kl_dbg(ATH6KL_DBG_WMI,
3899                            "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3900                 return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3901         case WMI_REMAIN_ON_CHNL_EVENTID:
3902                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3903                 return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3904         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3905                 ath6kl_dbg(ATH6KL_DBG_WMI,
3906                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3907                 return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3908                                                                  len, vif);
3909         case WMI_TX_STATUS_EVENTID:
3910                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3911                 return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3912         case WMI_RX_PROBE_REQ_EVENTID:
3913                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3914                 return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3915         case WMI_RX_ACTION_EVENTID:
3916                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3917                 return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3918         case WMI_TXE_NOTIFY_EVENTID:
3919                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");
3920                 return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
3921         default:
3922                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3923                 return -EINVAL;
3924         }
3925
3926         return 0;
3927 }
3928
3929 static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3930 {
3931         struct wmi_cmd_hdr *cmd;
3932         int ret = 0;
3933         u32 len;
3934         u16 id;
3935         u8 if_idx;
3936         u8 *datap;
3937
3938         cmd = (struct wmi_cmd_hdr *) skb->data;
3939         id = le16_to_cpu(cmd->cmd_id);
3940         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3941
3942         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3943         datap = skb->data;
3944         len = skb->len;
3945
3946         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3947         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3948                         datap, len);
3949
3950         switch (id) {
3951         case WMI_GET_BITRATE_CMDID:
3952                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3953                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3954                 break;
3955         case WMI_GET_CHANNEL_LIST_CMDID:
3956                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3957                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3958                 break;
3959         case WMI_GET_TX_PWR_CMDID:
3960                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3961                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3962                 break;
3963         case WMI_READY_EVENTID:
3964                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3965                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3966                 break;
3967         case WMI_PEER_NODE_EVENTID:
3968                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3969                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
3970                 break;
3971         case WMI_REGDOMAIN_EVENTID:
3972                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
3973                 ath6kl_wmi_regdomain_event(wmi, datap, len);
3974                 break;
3975         case WMI_PSTREAM_TIMEOUT_EVENTID:
3976                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
3977                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
3978                 break;
3979         case WMI_CMDERROR_EVENTID:
3980                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
3981                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
3982                 break;
3983         case WMI_RSSI_THRESHOLD_EVENTID:
3984                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
3985                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
3986                 break;
3987         case WMI_ERROR_REPORT_EVENTID:
3988                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
3989                 break;
3990         case WMI_OPT_RX_FRAME_EVENTID:
3991                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
3992                 /* this event has been deprecated */
3993                 break;
3994         case WMI_REPORT_ROAM_TBL_EVENTID:
3995                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
3996                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
3997                 break;
3998         case WMI_EXTENSION_EVENTID:
3999                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
4000                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
4001                 break;
4002         case WMI_CHANNEL_CHANGE_EVENTID:
4003                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
4004                 break;
4005         case WMI_REPORT_ROAM_DATA_EVENTID:
4006                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
4007                 break;
4008         case WMI_TEST_EVENTID:
4009                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
4010                 ret = ath6kl_wmi_test_rx(wmi, datap, len);
4011                 break;
4012         case WMI_GET_FIXRATES_CMDID:
4013                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
4014                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
4015                 break;
4016         case WMI_TX_RETRY_ERR_EVENTID:
4017                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
4018                 break;
4019         case WMI_SNR_THRESHOLD_EVENTID:
4020                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
4021                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
4022                 break;
4023         case WMI_LQ_THRESHOLD_EVENTID:
4024                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
4025                 break;
4026         case WMI_APLIST_EVENTID:
4027                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
4028                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
4029                 break;
4030         case WMI_GET_KEEPALIVE_CMDID:
4031                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
4032                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
4033                 break;
4034         case WMI_GET_WOW_LIST_EVENTID:
4035                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
4036                 break;
4037         case WMI_GET_PMKID_LIST_EVENTID:
4038                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
4039                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
4040                 break;
4041         case WMI_SET_PARAMS_REPLY_EVENTID:
4042                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
4043                 break;
4044         case WMI_ADDBA_RESP_EVENTID:
4045                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
4046                 break;
4047         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
4048                 ath6kl_dbg(ATH6KL_DBG_WMI,
4049                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
4050                 break;
4051         case WMI_REPORT_BTCOEX_STATS_EVENTID:
4052                 ath6kl_dbg(ATH6KL_DBG_WMI,
4053                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
4054                 break;
4055         case WMI_TX_COMPLETE_EVENTID:
4056                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
4057                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
4058                 break;
4059         case WMI_P2P_CAPABILITIES_EVENTID:
4060                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
4061                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
4062                 break;
4063         case WMI_P2P_INFO_EVENTID:
4064                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
4065                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
4066                 break;
4067         default:
4068                 /* may be the event is interface specific */
4069                 ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
4070                 break;
4071         }
4072
4073         dev_kfree_skb(skb);
4074         return ret;
4075 }
4076
4077 /* Control Path */
4078 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
4079 {
4080         if (WARN_ON(skb == NULL))
4081                 return -EINVAL;
4082
4083         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
4084                 ath6kl_err("bad packet 1\n");
4085                 dev_kfree_skb(skb);
4086                 return -EINVAL;
4087         }
4088
4089         return ath6kl_wmi_proc_events(wmi, skb);
4090 }
4091
4092 void ath6kl_wmi_reset(struct wmi *wmi)
4093 {
4094         spin_lock_bh(&wmi->lock);
4095
4096         wmi->fat_pipe_exist = 0;
4097         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
4098
4099         spin_unlock_bh(&wmi->lock);
4100 }
4101
4102 void *ath6kl_wmi_init(struct ath6kl *dev)
4103 {
4104         struct wmi *wmi;
4105
4106         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
4107         if (!wmi)
4108                 return NULL;
4109
4110         spin_lock_init(&wmi->lock);
4111
4112         wmi->parent_dev = dev;
4113
4114         wmi->pwr_mode = REC_POWER;
4115
4116         ath6kl_wmi_reset(wmi);
4117
4118         return wmi;
4119 }
4120
4121 void ath6kl_wmi_shutdown(struct wmi *wmi)
4122 {
4123         if (!wmi)
4124                 return;
4125
4126         kfree(wmi->last_mgmt_tx_frame);
4127         kfree(wmi);
4128 }