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, NL80211_CHAN_NO_HT,
 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,
 517                                            NL80211_CHAN_NO_HT, GFP_ATOMIC);
 518
 519         return 0;
 520 }
 521
 522 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
 523                                          struct ath6kl_vif *vif)
 524 {
 525         struct wmi_tx_status_event *ev;
 526         u32 id;
 527
 528         if (len < sizeof(*ev))
 529                 return -EINVAL;
 530
 531         ev = (struct wmi_tx_status_event *) datap;
 532         id = le32_to_cpu(ev->id);
 533         ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
 534                    id, ev->ack_status);
 535         if (wmi->last_mgmt_tx_frame) {
 536                 cfg80211_mgmt_tx_status(&vif->wdev, id,
 537                                         wmi->last_mgmt_tx_frame,
 538                                         wmi->last_mgmt_tx_frame_len,
 539                                         !!ev->ack_status, GFP_ATOMIC);
 540                 kfree(wmi->last_mgmt_tx_frame);
 541                 wmi->last_mgmt_tx_frame = NULL;
 542                 wmi->last_mgmt_tx_frame_len = 0;
 543         }
 544
 545         return 0;
 546 }
 547
 548 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
 549                                             struct ath6kl_vif *vif)
 550 {
 551         struct wmi_p2p_rx_probe_req_event *ev;
 552         u32 freq;
 553         u16 dlen;
 554
 555         if (len < sizeof(*ev))
 556                 return -EINVAL;
 557
 558         ev = (struct wmi_p2p_rx_probe_req_event *) datap;
 559         freq = le32_to_cpu(ev->freq);
 560         dlen = le16_to_cpu(ev->len);
 561         if (datap + len < ev->data + dlen) {
 562                 ath6kl_err("invalid wmi_p2p_rx_probe_req_event: len=%d dlen=%u\n",
 563                            len, dlen);
 564                 return -EINVAL;
 565         }
 566         ath6kl_dbg(ATH6KL_DBG_WMI,
 567                    "rx_probe_req: len=%u freq=%u probe_req_report=%d\n",
 568                    dlen, freq, vif->probe_req_report);
 569
 570         if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
 571                 cfg80211_rx_mgmt(&vif->wdev, freq, 0,
 572                                  ev->data, dlen, GFP_ATOMIC);
 573
 574         return 0;
 575 }
 576
 577 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
 578 {
 579         struct wmi_p2p_capabilities_event *ev;
 580         u16 dlen;
 581
 582         if (len < sizeof(*ev))
 583                 return -EINVAL;
 584
 585         ev = (struct wmi_p2p_capabilities_event *) datap;
 586         dlen = le16_to_cpu(ev->len);
 587         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
 588
 589         return 0;
 590 }
 591
 592 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 593                                          struct ath6kl_vif *vif)
 594 {
 595         struct wmi_rx_action_event *ev;
 596         u32 freq;
 597         u16 dlen;
 598
 599         if (len < sizeof(*ev))
 600                 return -EINVAL;
 601
 602         ev = (struct wmi_rx_action_event *) datap;
 603         freq = le32_to_cpu(ev->freq);
 604         dlen = le16_to_cpu(ev->len);
 605         if (datap + len < ev->data + dlen) {
 606                 ath6kl_err("invalid wmi_rx_action_event: len=%d dlen=%u\n",
 607                            len, dlen);
 608                 return -EINVAL;
 609         }
 610         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
 611         cfg80211_rx_mgmt(&vif->wdev, freq, 0,
 612                          ev->data, dlen, GFP_ATOMIC);
 613
 614         return 0;
 615 }
 616
 617 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
 618 {
 619         struct wmi_p2p_info_event *ev;
 620         u32 flags;
 621         u16 dlen;
 622
 623         if (len < sizeof(*ev))
 624                 return -EINVAL;
 625
 626         ev = (struct wmi_p2p_info_event *) datap;
 627         flags = le32_to_cpu(ev->info_req_flags);
 628         dlen = le16_to_cpu(ev->len);
 629         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
 630
 631         if (flags & P2P_FLAG_CAPABILITIES_REQ) {
 632                 struct wmi_p2p_capabilities *cap;
 633                 if (dlen < sizeof(*cap))
 634                         return -EINVAL;
 635                 cap = (struct wmi_p2p_capabilities *) ev->data;
 636                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
 637                            cap->go_power_save);
 638         }
 639
 640         if (flags & P2P_FLAG_MACADDR_REQ) {
 641                 struct wmi_p2p_macaddr *mac;
 642                 if (dlen < sizeof(*mac))
 643                         return -EINVAL;
 644                 mac = (struct wmi_p2p_macaddr *) ev->data;
 645                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
 646                            mac->mac_addr);
 647         }
 648
 649         if (flags & P2P_FLAG_HMODEL_REQ) {
 650                 struct wmi_p2p_hmodel *mod;
 651                 if (dlen < sizeof(*mod))
 652                         return -EINVAL;
 653                 mod = (struct wmi_p2p_hmodel *) ev->data;
 654                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
 655                            mod->p2p_model,
 656                            mod->p2p_model ? "host" : "firmware");
 657         }
 658         return 0;
 659 }
 660
 661 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
 662 {
 663         struct sk_buff *skb;
 664
 665         skb = ath6kl_buf_alloc(size);
 666         if (!skb)
 667                 return NULL;
 668
 669         skb_put(skb, size);
 670         if (size)
 671                 memset(skb->data, 0, size);
 672
 673         return skb;
 674 }
 675
 676 /* Send a "simple" wmi command -- one with no arguments */
 677 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
 678                                  enum wmi_cmd_id cmd_id)
 679 {
 680         struct sk_buff *skb;
 681         int ret;
 682
 683         skb = ath6kl_wmi_get_new_buf(0);
 684         if (!skb)
 685                 return -ENOMEM;
 686
 687         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
 688
 689         return ret;
 690 }
 691
 692 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
 693 {
 694         struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
 695
 696         if (len < sizeof(struct wmi_ready_event_2))
 697                 return -EINVAL;
 698
 699         ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
 700                            le32_to_cpu(ev->sw_version),
 701                            le32_to_cpu(ev->abi_version), ev->phy_cap);
 702
 703         return 0;
 704 }
 705
 706 /*
 707  * Mechanism to modify the roaming behavior in the firmware. The lower rssi
 708  * at which the station has to roam can be passed with
 709  * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
 710  * in dBm.
 711  */
 712 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
 713 {
 714         struct sk_buff *skb;
 715         struct roam_ctrl_cmd *cmd;
 716
 717         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 718         if (!skb)
 719                 return -ENOMEM;
 720
 721         cmd = (struct roam_ctrl_cmd *) skb->data;
 722
 723         cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
 724         cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
 725                                                        DEF_SCAN_FOR_ROAM_INTVL);
 726         cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
 727         cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
 728         cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
 729
 730         ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 731                             NO_SYNC_WMIFLAG);
 732
 733         return 0;
 734 }
 735
 736 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
 737 {
 738         struct sk_buff *skb;
 739         struct roam_ctrl_cmd *cmd;
 740
 741         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 742         if (!skb)
 743                 return -ENOMEM;
 744
 745         cmd = (struct roam_ctrl_cmd *) skb->data;
 746
 747         memcpy(cmd->info.bssid, bssid, ETH_ALEN);
 748         cmd->roam_ctrl = WMI_FORCE_ROAM;
 749
 750         ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
 751         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 752                                    NO_SYNC_WMIFLAG);
 753 }
 754
 755 int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period)
 756 {
 757         struct sk_buff *skb;
 758         struct set_dtim_cmd *cmd;
 759
 760         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 761         if (!skb)
 762                 return -ENOMEM;
 763
 764         cmd = (struct set_dtim_cmd *) skb->data;
 765
 766         cmd->dtim_period = cpu_to_le32(dtim_period);
 767         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 768                                    WMI_AP_SET_DTIM_CMDID, NO_SYNC_WMIFLAG);
 769 }
 770
 771 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 772 {
 773         struct sk_buff *skb;
 774         struct roam_ctrl_cmd *cmd;
 775
 776         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 777         if (!skb)
 778                 return -ENOMEM;
 779
 780         cmd = (struct roam_ctrl_cmd *) skb->data;
 781
 782         cmd->info.roam_mode = mode;
 783         cmd->roam_ctrl = WMI_SET_ROAM_MODE;
 784
 785         ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
 786         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 787                                    NO_SYNC_WMIFLAG);
 788 }
 789
 790 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
 791                                        struct ath6kl_vif *vif)
 792 {
 793         struct wmi_connect_event *ev;
 794         u8 *pie, *peie;
 795
 796         if (len < sizeof(struct wmi_connect_event))
 797                 return -EINVAL;
 798
 799         ev = (struct wmi_connect_event *) datap;
 800
 801         if (vif->nw_type == AP_NETWORK) {
 802                 /* AP mode start/STA connected event */
 803                 struct net_device *dev = vif->ndev;
 804                 if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
 805                         ath6kl_dbg(ATH6KL_DBG_WMI,
 806                                    "%s: freq %d bssid %pM (AP started)\n",
 807                                    __func__, le16_to_cpu(ev->u.ap_bss.ch),
 808                                    ev->u.ap_bss.bssid);
 809                         ath6kl_connect_ap_mode_bss(
 810                                 vif, le16_to_cpu(ev->u.ap_bss.ch));
 811                 } else {
 812                         ath6kl_dbg(ATH6KL_DBG_WMI,
 813                                    "%s: aid %u mac_addr %pM auth=%u keymgmt=%u cipher=%u apsd_info=%u (STA connected)\n",
 814                                    __func__, ev->u.ap_sta.aid,
 815                                    ev->u.ap_sta.mac_addr,
 816                                    ev->u.ap_sta.auth,
 817                                    ev->u.ap_sta.keymgmt,
 818                                    le16_to_cpu(ev->u.ap_sta.cipher),
 819                                    ev->u.ap_sta.apsd_info);
 820
 821                         ath6kl_connect_ap_mode_sta(
 822                                 vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
 823                                 ev->u.ap_sta.keymgmt,
 824                                 le16_to_cpu(ev->u.ap_sta.cipher),
 825                                 ev->u.ap_sta.auth, ev->assoc_req_len,
 826                                 ev->assoc_info + ev->beacon_ie_len,
 827                                 ev->u.ap_sta.apsd_info);
 828                 }
 829                 return 0;
 830         }
 831
 832         /* STA/IBSS mode connection event */
 833
 834         ath6kl_dbg(ATH6KL_DBG_WMI,
 835                    "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
 836                    le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
 837                    le16_to_cpu(ev->u.sta.listen_intvl),
 838                    le16_to_cpu(ev->u.sta.beacon_intvl),
 839                    le32_to_cpu(ev->u.sta.nw_type));
 840
 841         /* Start of assoc rsp IEs */
 842         pie = ev->assoc_info + ev->beacon_ie_len +
 843               ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
 844
 845         /* End of assoc rsp IEs */
 846         peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
 847             ev->assoc_resp_len;
 848
 849         while (pie < peie) {
 850                 switch (*pie) {
 851                 case WLAN_EID_VENDOR_SPECIFIC:
 852                         if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
 853                             pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
 854                                 /* WMM OUT (00:50:F2) */
 855                                 if (pie[1] > 5 &&
 856                                     pie[6] == WMM_PARAM_OUI_SUBTYPE)
 857                                         wmi->is_wmm_enabled = true;
 858                         }
 859                         break;
 860                 }
 861
 862                 if (wmi->is_wmm_enabled)
 863                         break;
 864
 865                 pie += pie[1] + 2;
 866         }
 867
 868         ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
 869                              ev->u.sta.bssid,
 870                              le16_to_cpu(ev->u.sta.listen_intvl),
 871                              le16_to_cpu(ev->u.sta.beacon_intvl),
 872                              le32_to_cpu(ev->u.sta.nw_type),
 873                              ev->beacon_ie_len, ev->assoc_req_len,
 874                              ev->assoc_resp_len, ev->assoc_info);
 875
 876         return 0;
 877 }
 878
 879 static struct country_code_to_enum_rd *
 880 ath6kl_regd_find_country(u16 countryCode)
 881 {
 882         int i;
 883
 884         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 885                 if (allCountries[i].countryCode == countryCode)
 886                         return &allCountries[i];
 887         }
 888
 889         return NULL;
 890 }
 891
 892 static struct reg_dmn_pair_mapping *
 893 ath6kl_get_regpair(u16 regdmn)
 894 {
 895         int i;
 896
 897         if (regdmn == NO_ENUMRD)
 898                 return NULL;
 899
 900         for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
 901                 if (regDomainPairs[i].regDmnEnum == regdmn)
 902                         return &regDomainPairs[i];
 903         }
 904
 905         return NULL;
 906 }
 907
 908 static struct country_code_to_enum_rd *
 909 ath6kl_regd_find_country_by_rd(u16 regdmn)
 910 {
 911         int i;
 912
 913         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 914                 if (allCountries[i].regDmnEnum == regdmn)
 915                         return &allCountries[i];
 916         }
 917
 918         return NULL;
 919 }
 920
 921 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 922 {
 923
 924         struct ath6kl_wmi_regdomain *ev;
 925         struct country_code_to_enum_rd *country = NULL;
 926         struct reg_dmn_pair_mapping *regpair = NULL;
 927         char alpha2[2];
 928         u32 reg_code;
 929
 930         ev = (struct ath6kl_wmi_regdomain *) datap;
 931         reg_code = le32_to_cpu(ev->reg_code);
 932
 933         if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG)
 934                 country = ath6kl_regd_find_country((u16) reg_code);
 935         else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
 936
 937                 regpair = ath6kl_get_regpair((u16) reg_code);
 938                 country = ath6kl_regd_find_country_by_rd((u16) reg_code);
 939                 ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
 940                            regpair->regDmnEnum);
 941         }
 942
 943         if (country && wmi->parent_dev->wiphy_registered) {
 944                 alpha2[0] = country->isoName[0];
 945                 alpha2[1] = country->isoName[1];
 946
 947                 regulatory_hint(wmi->parent_dev->wiphy, alpha2);
 948
 949                 ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
 950                            alpha2[0], alpha2[1]);
 951         }
 952 }
 953
 954 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
 955                                           struct ath6kl_vif *vif)
 956 {
 957         struct wmi_disconnect_event *ev;
 958         wmi->traffic_class = 100;
 959
 960         if (len < sizeof(struct wmi_disconnect_event))
 961                 return -EINVAL;
 962
 963         ev = (struct wmi_disconnect_event *) datap;
 964
 965         ath6kl_dbg(ATH6KL_DBG_WMI,
 966                    "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
 967                    le16_to_cpu(ev->proto_reason_status), ev->bssid,
 968                    ev->disconn_reason, ev->assoc_resp_len);
 969
 970         wmi->is_wmm_enabled = false;
 971
 972         ath6kl_disconnect_event(vif, ev->disconn_reason,
 973                                 ev->bssid, ev->assoc_resp_len, ev->assoc_info,
 974                                 le16_to_cpu(ev->proto_reason_status));
 975
 976         return 0;
 977 }
 978
 979 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
 980 {
 981         struct wmi_peer_node_event *ev;
 982
 983         if (len < sizeof(struct wmi_peer_node_event))
 984                 return -EINVAL;
 985
 986         ev = (struct wmi_peer_node_event *) datap;
 987
 988         if (ev->event_code == PEER_NODE_JOIN_EVENT)
 989                 ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
 990                            ev->peer_mac_addr);
 991         else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
 992                 ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
 993                            ev->peer_mac_addr);
 994
 995         return 0;
 996 }
 997
 998 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
 999                                            struct ath6kl_vif *vif)
1000 {
1001         struct wmi_tkip_micerr_event *ev;
1002
1003         if (len < sizeof(struct wmi_tkip_micerr_event))
1004                 return -EINVAL;
1005
1006         ev = (struct wmi_tkip_micerr_event *) datap;
1007
1008         ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
1009
1010         return 0;
1011 }
1012
1013 void ath6kl_wmi_sscan_timer(unsigned long ptr)
1014 {
1015         struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
1016
1017         cfg80211_sched_scan_results(vif->ar->wiphy);
1018 }
1019
1020 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
1021                                        struct ath6kl_vif *vif)
1022 {
1023         struct wmi_bss_info_hdr2 *bih;
1024         u8 *buf;
1025         struct ieee80211_channel *channel;
1026         struct ath6kl *ar = wmi->parent_dev;
1027         struct ieee80211_mgmt *mgmt;
1028         struct cfg80211_bss *bss;
1029
1030         if (len <= sizeof(struct wmi_bss_info_hdr2))
1031                 return -EINVAL;
1032
1033         bih = (struct wmi_bss_info_hdr2 *) datap;
1034         buf = datap + sizeof(struct wmi_bss_info_hdr2);
1035         len -= sizeof(struct wmi_bss_info_hdr2);
1036
1037         ath6kl_dbg(ATH6KL_DBG_WMI,
1038                    "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1039                    "frame_type=%d\n",
1040                    bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1041                    bih->frame_type);
1042
1043         if (bih->frame_type != BEACON_FTYPE &&
1044             bih->frame_type != PROBERESP_FTYPE)
1045                 return 0; /* Only update BSS table for now */
1046
1047         if (bih->frame_type == BEACON_FTYPE &&
1048             test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1049                 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1050                 ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1051                                          NONE_BSS_FILTER, 0);
1052         }
1053
1054         channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1055         if (channel == NULL)
1056                 return -EINVAL;
1057
1058         if (len < 8 + 2 + 2)
1059                 return -EINVAL;
1060
1061         if (bih->frame_type == BEACON_FTYPE &&
1062             test_bit(CONNECTED, &vif->flags) &&
1063             memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1064                 const u8 *tim;
1065                 tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1066                                        len - 8 - 2 - 2);
1067                 if (tim && tim[1] >= 2) {
1068                         vif->assoc_bss_dtim_period = tim[3];
1069                         set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1070                 }
1071         }
1072
1073         /*
1074          * In theory, use of cfg80211_inform_bss() would be more natural here
1075          * since we do not have the full frame. However, at least for now,
1076          * cfg80211 can only distinguish Beacon and Probe Response frames from
1077          * each other when using cfg80211_inform_bss_frame(), so let's build a
1078          * fake IEEE 802.11 header to be able to take benefit of this.
1079          */
1080         mgmt = kmalloc(24 + len, GFP_ATOMIC);
1081         if (mgmt == NULL)
1082                 return -EINVAL;
1083
1084         if (bih->frame_type == BEACON_FTYPE) {
1085                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1086                                                   IEEE80211_STYPE_BEACON);
1087                 memset(mgmt->da, 0xff, ETH_ALEN);
1088         } else {
1089                 struct net_device *dev = vif->ndev;
1090
1091                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1092                                                   IEEE80211_STYPE_PROBE_RESP);
1093                 memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
1094         }
1095         mgmt->duration = cpu_to_le16(0);
1096         memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
1097         memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
1098         mgmt->seq_ctrl = cpu_to_le16(0);
1099
1100         memcpy(&mgmt->u.beacon, buf, len);
1101
1102         bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
1103                                         24 + len, (bih->snr - 95) * 100,
1104                                         GFP_ATOMIC);
1105         kfree(mgmt);
1106         if (bss == NULL)
1107                 return -ENOMEM;
1108         cfg80211_put_bss(bss);
1109
1110         /*
1111          * Firmware doesn't return any event when scheduled scan has
1112          * finished, so we need to use a timer to find out when there are
1113          * no more results.
1114          *
1115          * The timer is started from the first bss info received, otherwise
1116          * the timer would not ever fire if the scan interval is short
1117          * enough.
1118          */
1119         if (ar->state == ATH6KL_STATE_SCHED_SCAN &&
1120             !timer_pending(&vif->sched_scan_timer)) {
1121                 mod_timer(&vif->sched_scan_timer, jiffies +
1122                           msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1123         }
1124
1125         return 0;
1126 }
1127
1128 /* Inactivity timeout of a fatpipe(pstream) at the target */
1129 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1130                                                int len)
1131 {
1132         struct wmi_pstream_timeout_event *ev;
1133
1134         if (len < sizeof(struct wmi_pstream_timeout_event))
1135                 return -EINVAL;
1136
1137         ev = (struct wmi_pstream_timeout_event *) datap;
1138
1139         /*
1140          * When the pstream (fat pipe == AC) timesout, it means there were
1141          * no thinStreams within this pstream & it got implicitly created
1142          * due to data flow on this AC. We start the inactivity timer only
1143          * for implicitly created pstream. Just reset the host state.
1144          */
1145         spin_lock_bh(&wmi->lock);
1146         wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1147         wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1148         spin_unlock_bh(&wmi->lock);
1149
1150         /* Indicate inactivity to driver layer for this fatpipe (pstream) */
1151         ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1152
1153         return 0;
1154 }
1155
1156 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1157 {
1158         struct wmi_bit_rate_reply *reply;
1159         s32 rate;
1160         u32 sgi, index;
1161
1162         if (len < sizeof(struct wmi_bit_rate_reply))
1163                 return -EINVAL;
1164
1165         reply = (struct wmi_bit_rate_reply *) datap;
1166
1167         ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1168
1169         if (reply->rate_index == (s8) RATE_AUTO) {
1170                 rate = RATE_AUTO;
1171         } else {
1172                 index = reply->rate_index & 0x7f;
1173                 sgi = (reply->rate_index & 0x80) ? 1 : 0;
1174                 rate = wmi_rate_tbl[index][sgi];
1175         }
1176
1177         ath6kl_wakeup_event(wmi->parent_dev);
1178
1179         return 0;
1180 }
1181
1182 static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1183 {
1184         ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1185
1186         return 0;
1187 }
1188
1189 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1190 {
1191         if (len < sizeof(struct wmi_fix_rates_reply))
1192                 return -EINVAL;
1193
1194         ath6kl_wakeup_event(wmi->parent_dev);
1195
1196         return 0;
1197 }
1198
1199 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1200 {
1201         if (len < sizeof(struct wmi_channel_list_reply))
1202                 return -EINVAL;
1203
1204         ath6kl_wakeup_event(wmi->parent_dev);
1205
1206         return 0;
1207 }
1208
1209 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1210 {
1211         struct wmi_tx_pwr_reply *reply;
1212
1213         if (len < sizeof(struct wmi_tx_pwr_reply))
1214                 return -EINVAL;
1215
1216         reply = (struct wmi_tx_pwr_reply *) datap;
1217         ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1218
1219         return 0;
1220 }
1221
1222 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1223 {
1224         if (len < sizeof(struct wmi_get_keepalive_cmd))
1225                 return -EINVAL;
1226
1227         ath6kl_wakeup_event(wmi->parent_dev);
1228
1229         return 0;
1230 }
1231
1232 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1233                                        struct ath6kl_vif *vif)
1234 {
1235         struct wmi_scan_complete_event *ev;
1236
1237         ev = (struct wmi_scan_complete_event *) datap;
1238
1239         ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1240         wmi->is_probe_ssid = false;
1241
1242         return 0;
1243 }
1244
1245 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1246                                                int len, struct ath6kl_vif *vif)
1247 {
1248         struct wmi_neighbor_report_event *ev;
1249         u8 i;
1250
1251         if (len < sizeof(*ev))
1252                 return -EINVAL;
1253         ev = (struct wmi_neighbor_report_event *) datap;
1254         if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1255             > len) {
1256                 ath6kl_dbg(ATH6KL_DBG_WMI,
1257                            "truncated neighbor event (num=%d len=%d)\n",
1258                            ev->num_neighbors, len);
1259                 return -EINVAL;
1260         }
1261         for (i = 0; i < ev->num_neighbors; i++) {
1262                 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1263                            i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1264                            ev->neighbor[i].bss_flags);
1265                 cfg80211_pmksa_candidate_notify(vif->ndev, i,
1266                                                 ev->neighbor[i].bssid,
1267                                                 !!(ev->neighbor[i].bss_flags &
1268                                                    WMI_PREAUTH_CAPABLE_BSS),
1269                                                 GFP_ATOMIC);
1270         }
1271
1272         return 0;
1273 }
1274
1275 /*
1276  * Target is reporting a programming error.  This is for
1277  * developer aid only.  Target only checks a few common violations
1278  * and it is responsibility of host to do all error checking.
1279  * Behavior of target after wmi error event is undefined.
1280  * A reset is recommended.
1281  */
1282 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1283 {
1284         const char *type = "unknown error";
1285         struct wmi_cmd_error_event *ev;
1286         ev = (struct wmi_cmd_error_event *) datap;
1287
1288         switch (ev->err_code) {
1289         case INVALID_PARAM:
1290                 type = "invalid parameter";
1291                 break;
1292         case ILLEGAL_STATE:
1293                 type = "invalid state";
1294                 break;
1295         case INTERNAL_ERROR:
1296                 type = "internal error";
1297                 break;
1298         }
1299
1300         ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1301                    ev->cmd_id, type);
1302
1303         return 0;
1304 }
1305
1306 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1307                                      struct ath6kl_vif *vif)
1308 {
1309         ath6kl_tgt_stats_event(vif, datap, len);
1310
1311         return 0;
1312 }
1313
1314 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1315                                          struct sq_threshold_params *sq_thresh,
1316                                          u32 size)
1317 {
1318         u32 index;
1319         u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1320
1321         /* The list is already in sorted order. Get the next lower value */
1322         for (index = 0; index < size; index++) {
1323                 if (rssi < sq_thresh->upper_threshold[index]) {
1324                         threshold = (u8) sq_thresh->upper_threshold[index];
1325                         break;
1326                 }
1327         }
1328
1329         return threshold;
1330 }
1331
1332 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1333                                          struct sq_threshold_params *sq_thresh,
1334                                          u32 size)
1335 {
1336         u32 index;
1337         u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1338
1339         /* The list is already in sorted order. Get the next lower value */
1340         for (index = 0; index < size; index++) {
1341                 if (rssi > sq_thresh->lower_threshold[index]) {
1342                         threshold = (u8) sq_thresh->lower_threshold[index];
1343                         break;
1344                 }
1345         }
1346
1347         return threshold;
1348 }
1349
1350 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1351                         struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1352 {
1353         struct sk_buff *skb;
1354         struct wmi_rssi_threshold_params_cmd *cmd;
1355
1356         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1357         if (!skb)
1358                 return -ENOMEM;
1359
1360         cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1361         memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1362
1363         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1364                                    NO_SYNC_WMIFLAG);
1365 }
1366
1367 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1368                                               int len)
1369 {
1370         struct wmi_rssi_threshold_event *reply;
1371         struct wmi_rssi_threshold_params_cmd cmd;
1372         struct sq_threshold_params *sq_thresh;
1373         enum wmi_rssi_threshold_val new_threshold;
1374         u8 upper_rssi_threshold, lower_rssi_threshold;
1375         s16 rssi;
1376         int ret;
1377
1378         if (len < sizeof(struct wmi_rssi_threshold_event))
1379                 return -EINVAL;
1380
1381         reply = (struct wmi_rssi_threshold_event *) datap;
1382         new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1383         rssi = a_sle16_to_cpu(reply->rssi);
1384
1385         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1386
1387         /*
1388          * Identify the threshold breached and communicate that to the app.
1389          * After that install a new set of thresholds based on the signal
1390          * quality reported by the target
1391          */
1392         if (new_threshold) {
1393                 /* Upper threshold breached */
1394                 if (rssi < sq_thresh->upper_threshold[0]) {
1395                         ath6kl_dbg(ATH6KL_DBG_WMI,
1396                                    "spurious upper rssi threshold event: %d\n",
1397                                    rssi);
1398                 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1399                            (rssi >= sq_thresh->upper_threshold[0])) {
1400                         new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1401                 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1402                            (rssi >= sq_thresh->upper_threshold[1])) {
1403                         new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1404                 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1405                            (rssi >= sq_thresh->upper_threshold[2])) {
1406                         new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1407                 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1408                            (rssi >= sq_thresh->upper_threshold[3])) {
1409                         new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1410                 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1411                            (rssi >= sq_thresh->upper_threshold[4])) {
1412                         new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1413                 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1414                         new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1415                 }
1416         } else {
1417                 /* Lower threshold breached */
1418                 if (rssi > sq_thresh->lower_threshold[0]) {
1419                         ath6kl_dbg(ATH6KL_DBG_WMI,
1420                                    "spurious lower rssi threshold event: %d %d\n",
1421                                 rssi, sq_thresh->lower_threshold[0]);
1422                 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1423                            (rssi <= sq_thresh->lower_threshold[0])) {
1424                         new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1425                 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1426                            (rssi <= sq_thresh->lower_threshold[1])) {
1427                         new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1428                 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1429                            (rssi <= sq_thresh->lower_threshold[2])) {
1430                         new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1431                 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1432                            (rssi <= sq_thresh->lower_threshold[3])) {
1433                         new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1434                 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1435                            (rssi <= sq_thresh->lower_threshold[4])) {
1436                         new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1437                 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1438                         new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1439                 }
1440         }
1441
1442         /* Calculate and install the next set of thresholds */
1443         lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1444                                        sq_thresh->lower_threshold_valid_count);
1445         upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1446                                        sq_thresh->upper_threshold_valid_count);
1447
1448         /* Issue a wmi command to install the thresholds */
1449         cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1450         cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1451         cmd.weight = sq_thresh->weight;
1452         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1453
1454         ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1455         if (ret) {
1456                 ath6kl_err("unable to configure rssi thresholds\n");
1457                 return -EIO;
1458         }
1459
1460         return 0;
1461 }
1462
1463 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1464                                    struct ath6kl_vif *vif)
1465 {
1466         struct wmi_cac_event *reply;
1467         struct ieee80211_tspec_ie *ts;
1468         u16 active_tsids, tsinfo;
1469         u8 tsid, index;
1470         u8 ts_id;
1471
1472         if (len < sizeof(struct wmi_cac_event))
1473                 return -EINVAL;
1474
1475         reply = (struct wmi_cac_event *) datap;
1476
1477         if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1478             (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1479
1480                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1481                 tsinfo = le16_to_cpu(ts->tsinfo);
1482                 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1483                         IEEE80211_WMM_IE_TSPEC_TID_MASK;
1484
1485                 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1486                                               reply->ac, tsid);
1487         } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1488                 /*
1489                  * Following assumes that there is only one outstanding
1490                  * ADDTS request when this event is received
1491                  */
1492                 spin_lock_bh(&wmi->lock);
1493                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1494                 spin_unlock_bh(&wmi->lock);
1495
1496                 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1497                         if ((active_tsids >> index) & 1)
1498                                 break;
1499                 }
1500                 if (index < (sizeof(active_tsids) * 8))
1501                         ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1502                                                       reply->ac, index);
1503         }
1504
1505         /*
1506          * Clear active tsids and Add missing handling
1507          * for delete qos stream from AP
1508          */
1509         else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1510
1511                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1512                 tsinfo = le16_to_cpu(ts->tsinfo);
1513                 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1514                          IEEE80211_WMM_IE_TSPEC_TID_MASK);
1515
1516                 spin_lock_bh(&wmi->lock);
1517                 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1518                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1519                 spin_unlock_bh(&wmi->lock);
1520
1521                 /* Indicate stream inactivity to driver layer only if all tsids
1522                  * within this AC are deleted.
1523                  */
1524                 if (!active_tsids) {
1525                         ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1526                                                     false);
1527                         wmi->fat_pipe_exist &= ~(1 << reply->ac);
1528                 }
1529         }
1530
1531         return 0;
1532 }
1533
1534 static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,
1535                                           struct ath6kl_vif *vif)
1536 {
1537         struct wmi_txe_notify_event *ev;
1538         u32 rate, pkts;
1539
1540         if (len < sizeof(*ev))
1541                 return -EINVAL;
1542
1543         if (vif->sme_state != SME_CONNECTED)
1544                 return -ENOTCONN;
1545
1546         ev = (struct wmi_txe_notify_event *) datap;
1547         rate = le32_to_cpu(ev->rate);
1548         pkts = le32_to_cpu(ev->pkts);
1549
1550         ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d% pkts %d intvl %ds\n",
1551                    vif->bssid, rate, pkts, vif->txe_intvl);
1552
1553         cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,
1554                                 rate, vif->txe_intvl, GFP_KERNEL);
1555
1556         return 0;
1557 }
1558
1559 int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
1560                               u32 rate, u32 pkts, u32 intvl)
1561 {
1562         struct sk_buff *skb;
1563         struct wmi_txe_notify_cmd *cmd;
1564
1565         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1566         if (!skb)
1567                 return -ENOMEM;
1568
1569         cmd = (struct wmi_txe_notify_cmd *) skb->data;
1570         cmd->rate = cpu_to_le32(rate);
1571         cmd->pkts = cpu_to_le32(pkts);
1572         cmd->intvl = cpu_to_le32(intvl);
1573
1574         return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,
1575                                    NO_SYNC_WMIFLAG);
1576 }
1577
1578 int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
1579 {
1580         struct sk_buff *skb;
1581         struct wmi_set_rssi_filter_cmd *cmd;
1582         int ret;
1583
1584         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1585         if (!skb)
1586                 return -ENOMEM;
1587
1588         cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
1589         cmd->rssi = rssi;
1590
1591         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,
1592                                   NO_SYNC_WMIFLAG);
1593         return ret;
1594 }
1595
1596 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1597                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1598 {
1599         struct sk_buff *skb;
1600         struct wmi_snr_threshold_params_cmd *cmd;
1601
1602         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1603         if (!skb)
1604                 return -ENOMEM;
1605
1606         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1607         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1608
1609         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1610                                    NO_SYNC_WMIFLAG);
1611 }
1612
1613 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1614                                              int len)
1615 {
1616         struct wmi_snr_threshold_event *reply;
1617         struct sq_threshold_params *sq_thresh;
1618         struct wmi_snr_threshold_params_cmd cmd;
1619         enum wmi_snr_threshold_val new_threshold;
1620         u8 upper_snr_threshold, lower_snr_threshold;
1621         s16 snr;
1622         int ret;
1623
1624         if (len < sizeof(struct wmi_snr_threshold_event))
1625                 return -EINVAL;
1626
1627         reply = (struct wmi_snr_threshold_event *) datap;
1628
1629         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1630         snr = reply->snr;
1631
1632         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1633
1634         /*
1635          * Identify the threshold breached and communicate that to the app.
1636          * After that install a new set of thresholds based on the signal
1637          * quality reported by the target.
1638          */
1639         if (new_threshold) {
1640                 /* Upper threshold breached */
1641                 if (snr < sq_thresh->upper_threshold[0]) {
1642                         ath6kl_dbg(ATH6KL_DBG_WMI,
1643                                    "spurious upper snr threshold event: %d\n",
1644                                    snr);
1645                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1646                            (snr >= sq_thresh->upper_threshold[0])) {
1647                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1648                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1649                            (snr >= sq_thresh->upper_threshold[1])) {
1650                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1651                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1652                            (snr >= sq_thresh->upper_threshold[2])) {
1653                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1654                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1655                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1656                 }
1657         } else {
1658                 /* Lower threshold breached */
1659                 if (snr > sq_thresh->lower_threshold[0]) {
1660                         ath6kl_dbg(ATH6KL_DBG_WMI,
1661                                    "spurious lower snr threshold event: %d\n",
1662                                    sq_thresh->lower_threshold[0]);
1663                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1664                            (snr <= sq_thresh->lower_threshold[0])) {
1665                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1666                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1667                            (snr <= sq_thresh->lower_threshold[1])) {
1668                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1669                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1670                            (snr <= sq_thresh->lower_threshold[2])) {
1671                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1672                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1673                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1674                 }
1675         }
1676
1677         /* Calculate and install the next set of thresholds */
1678         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1679                                        sq_thresh->lower_threshold_valid_count);
1680         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1681                                        sq_thresh->upper_threshold_valid_count);
1682
1683         /* Issue a wmi command to install the thresholds */
1684         cmd.thresh_above1_val = upper_snr_threshold;
1685         cmd.thresh_below1_val = lower_snr_threshold;
1686         cmd.weight = sq_thresh->weight;
1687         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1688
1689         ath6kl_dbg(ATH6KL_DBG_WMI,
1690                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1691                    snr, new_threshold,
1692                    lower_snr_threshold, upper_snr_threshold);
1693
1694         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1695         if (ret) {
1696                 ath6kl_err("unable to configure snr threshold\n");
1697                 return -EIO;
1698         }
1699
1700         return 0;
1701 }
1702
1703 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1704 {
1705         u16 ap_info_entry_size;
1706         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1707         struct wmi_ap_info_v1 *ap_info_v1;
1708         u8 index;
1709
1710         if (len < sizeof(struct wmi_aplist_event) ||
1711             ev->ap_list_ver != APLIST_VER1)
1712                 return -EINVAL;
1713
1714         ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1715         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1716
1717         ath6kl_dbg(ATH6KL_DBG_WMI,
1718                    "number of APs in aplist event: %d\n", ev->num_ap);
1719
1720         if (len < (int) (sizeof(struct wmi_aplist_event) +
1721                          (ev->num_ap - 1) * ap_info_entry_size))
1722                 return -EINVAL;
1723
1724         /* AP list version 1 contents */
1725         for (index = 0; index < ev->num_ap; index++) {
1726                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1727                            index, ap_info_v1->bssid, ap_info_v1->channel);
1728                 ap_info_v1++;
1729         }
1730
1731         return 0;
1732 }
1733
1734 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1735                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1736 {
1737         struct wmi_cmd_hdr *cmd_hdr;
1738         enum htc_endpoint_id ep_id = wmi->ep_id;
1739         int ret;
1740         u16 info1;
1741
1742         if (WARN_ON(skb == NULL || (if_idx > (wmi->parent_dev->vif_max - 1))))
1743                 return -EINVAL;
1744
1745         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1746                    cmd_id, skb->len, sync_flag);
1747         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1748                         skb->data, skb->len);
1749
1750         if (sync_flag >= END_WMIFLAG) {
1751                 dev_kfree_skb(skb);
1752                 return -EINVAL;
1753         }
1754
1755         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1756             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1757                 /*
1758                  * Make sure all data currently queued is transmitted before
1759                  * the cmd execution.  Establish a new sync point.
1760                  */
1761                 ath6kl_wmi_sync_point(wmi, if_idx);
1762         }
1763
1764         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1765
1766         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1767         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1768         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1769         cmd_hdr->info1 = cpu_to_le16(info1);
1770
1771         /* Only for OPT_TX_CMD, use BE endpoint. */
1772         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1773                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1774                                               false, false, 0, NULL, if_idx);
1775                 if (ret) {
1776                         dev_kfree_skb(skb);
1777                         return ret;
1778                 }
1779                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1780         }
1781
1782         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1783
1784         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1785             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1786                 /*
1787                  * Make sure all new data queued waits for the command to
1788                  * execute. Establish a new sync point.
1789                  */
1790                 ath6kl_wmi_sync_point(wmi, if_idx);
1791         }
1792
1793         return 0;
1794 }
1795
1796 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1797                            enum network_type nw_type,
1798                            enum dot11_auth_mode dot11_auth_mode,
1799                            enum auth_mode auth_mode,
1800                            enum crypto_type pairwise_crypto,
1801                            u8 pairwise_crypto_len,
1802                            enum crypto_type group_crypto,
1803                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1804                            u8 *bssid, u16 channel, u32 ctrl_flags,
1805                            u8 nw_subtype)
1806 {
1807         struct sk_buff *skb;
1808         struct wmi_connect_cmd *cc;
1809         int ret;
1810
1811         ath6kl_dbg(ATH6KL_DBG_WMI,
1812                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1813                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1814                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1815                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1816         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1817
1818         wmi->traffic_class = 100;
1819
1820         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1821                 return -EINVAL;
1822
1823         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1824                 return -EINVAL;
1825
1826         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1827         if (!skb)
1828                 return -ENOMEM;
1829
1830         cc = (struct wmi_connect_cmd *) skb->data;
1831
1832         if (ssid_len)
1833                 memcpy(cc->ssid, ssid, ssid_len);
1834
1835         cc->ssid_len = ssid_len;
1836         cc->nw_type = nw_type;
1837         cc->dot11_auth_mode = dot11_auth_mode;
1838         cc->auth_mode = auth_mode;
1839         cc->prwise_crypto_type = pairwise_crypto;
1840         cc->prwise_crypto_len = pairwise_crypto_len;
1841         cc->grp_crypto_type = group_crypto;
1842         cc->grp_crypto_len = group_crypto_len;
1843         cc->ch = cpu_to_le16(channel);
1844         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1845         cc->nw_subtype = nw_subtype;
1846
1847         if (bssid != NULL)
1848                 memcpy(cc->bssid, bssid, ETH_ALEN);
1849
1850         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1851                                   NO_SYNC_WMIFLAG);
1852
1853         return ret;
1854 }
1855
1856 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1857                              u16 channel)
1858 {
1859         struct sk_buff *skb;
1860         struct wmi_reconnect_cmd *cc;
1861         int ret;
1862
1863         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1864                    bssid, channel);
1865
1866         wmi->traffic_class = 100;
1867
1868         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1869         if (!skb)
1870                 return -ENOMEM;
1871
1872         cc = (struct wmi_reconnect_cmd *) skb->data;
1873         cc->channel = cpu_to_le16(channel);
1874
1875         if (bssid != NULL)
1876                 memcpy(cc->bssid, bssid, ETH_ALEN);
1877
1878         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1879                                   NO_SYNC_WMIFLAG);
1880
1881         return ret;
1882 }
1883
1884 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1885 {
1886         int ret;
1887
1888         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1889
1890         wmi->traffic_class = 100;
1891
1892         /* Disconnect command does not need to do a SYNC before. */
1893         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1894
1895         return ret;
1896 }
1897
1898 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1899  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1900  * mgmt operations using station interface.
1901  */
1902 static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1903                                     enum wmi_scan_type scan_type,
1904                                     u32 force_fgscan, u32 is_legacy,
1905                                     u32 home_dwell_time,
1906                                     u32 force_scan_interval,
1907                                     s8 num_chan, u16 *ch_list)
1908 {
1909         struct sk_buff *skb;
1910         struct wmi_start_scan_cmd *sc;
1911         s8 size;
1912         int i, ret;
1913
1914         size = sizeof(struct wmi_start_scan_cmd);
1915
1916         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1917                 return -EINVAL;
1918
1919         if (num_chan > WMI_MAX_CHANNELS)
1920                 return -EINVAL;
1921
1922         if (num_chan)
1923                 size += sizeof(u16) * (num_chan - 1);
1924
1925         skb = ath6kl_wmi_get_new_buf(size);
1926         if (!skb)
1927                 return -ENOMEM;
1928
1929         sc = (struct wmi_start_scan_cmd *) skb->data;
1930         sc->scan_type = scan_type;
1931         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1932         sc->is_legacy = cpu_to_le32(is_legacy);
1933         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1934         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1935         sc->num_ch = num_chan;
1936
1937         for (i = 0; i < num_chan; i++)
1938                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1939
1940         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1941                                   NO_SYNC_WMIFLAG);
1942
1943         return ret;
1944 }
1945
1946 /*
1947  * beginscan supports (compared to old startscan) P2P mgmt operations using
1948  * station interface, send additional information like supported rates to
1949  * advertise and xmit rates for probe requests
1950  */
1951 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1952                              enum wmi_scan_type scan_type,
1953                              u32 force_fgscan, u32 is_legacy,
1954                              u32 home_dwell_time, u32 force_scan_interval,
1955                              s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
1956 {
1957         struct ieee80211_supported_band *sband;
1958         struct sk_buff *skb;
1959         struct wmi_begin_scan_cmd *sc;
1960         s8 size, *supp_rates;
1961         int i, band, ret;
1962         struct ath6kl *ar = wmi->parent_dev;
1963         int num_rates;
1964         u32 ratemask;
1965
1966         if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1967                       ar->fw_capabilities)) {
1968                 return ath6kl_wmi_startscan_cmd(wmi, if_idx,
1969                                                 scan_type, force_fgscan,
1970                                                 is_legacy, home_dwell_time,
1971                                                 force_scan_interval,
1972                                                 num_chan, ch_list);
1973         }
1974
1975         size = sizeof(struct wmi_begin_scan_cmd);
1976
1977         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1978                 return -EINVAL;
1979
1980         if (num_chan > WMI_MAX_CHANNELS)
1981                 return -EINVAL;
1982
1983         if (num_chan)
1984                 size += sizeof(u16) * (num_chan - 1);
1985
1986         skb = ath6kl_wmi_get_new_buf(size);
1987         if (!skb)
1988                 return -ENOMEM;
1989
1990         sc = (struct wmi_begin_scan_cmd *) skb->data;
1991         sc->scan_type = scan_type;
1992         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1993         sc->is_legacy = cpu_to_le32(is_legacy);
1994         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1995         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1996         sc->no_cck = cpu_to_le32(no_cck);
1997         sc->num_ch = num_chan;
1998
1999         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2000                 sband = ar->wiphy->bands[band];
2001
2002                 if (!sband)
2003                         continue;
2004
2005                 ratemask = rates[band];
2006                 supp_rates = sc->supp_rates[band].rates;
2007                 num_rates = 0;
2008
2009                 for (i = 0; i < sband->n_bitrates; i++) {
2010                         if ((BIT(i) & ratemask) == 0)
2011                                 continue; /* skip rate */
2012                         supp_rates[num_rates++] =
2013                             (u8) (sband->bitrates[i].bitrate / 5);
2014                 }
2015                 sc->supp_rates[band].nrates = num_rates;
2016         }
2017
2018         for (i = 0; i < num_chan; i++)
2019                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2020
2021         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
2022                                   NO_SYNC_WMIFLAG);
2023
2024         return ret;
2025 }
2026
2027 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
2028                               u16 fg_start_sec,
2029                               u16 fg_end_sec, u16 bg_sec,
2030                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
2031                               u16 pas_chdw_msec, u8 short_scan_ratio,
2032                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
2033                               u16 maxact_scan_per_ssid)
2034 {
2035         struct sk_buff *skb;
2036         struct wmi_scan_params_cmd *sc;
2037         int ret;
2038
2039         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2040         if (!skb)
2041                 return -ENOMEM;
2042
2043         sc = (struct wmi_scan_params_cmd *) skb->data;
2044         sc->fg_start_period = cpu_to_le16(fg_start_sec);
2045         sc->fg_end_period = cpu_to_le16(fg_end_sec);
2046         sc->bg_period = cpu_to_le16(bg_sec);
2047         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
2048         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
2049         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
2050         sc->short_scan_ratio = short_scan_ratio;
2051         sc->scan_ctrl_flags = scan_ctrl_flag;
2052         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
2053         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
2054
2055         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
2056                                   NO_SYNC_WMIFLAG);
2057         return ret;
2058 }
2059
2060 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
2061 {
2062         struct sk_buff *skb;
2063         struct wmi_bss_filter_cmd *cmd;
2064         int ret;
2065
2066         if (filter >= LAST_BSS_FILTER)
2067                 return -EINVAL;
2068
2069         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2070         if (!skb)
2071                 return -ENOMEM;
2072
2073         cmd = (struct wmi_bss_filter_cmd *) skb->data;
2074         cmd->bss_filter = filter;
2075         cmd->ie_mask = cpu_to_le32(ie_mask);
2076
2077         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
2078                                   NO_SYNC_WMIFLAG);
2079         return ret;
2080 }
2081
2082 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2083                               u8 ssid_len, u8 *ssid)
2084 {
2085         struct sk_buff *skb;
2086         struct wmi_probed_ssid_cmd *cmd;
2087         int ret;
2088
2089         if (index >= MAX_PROBED_SSIDS)
2090                 return -EINVAL;
2091
2092         if (ssid_len > sizeof(cmd->ssid))
2093                 return -EINVAL;
2094
2095         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2096                 return -EINVAL;
2097
2098         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2099                 return -EINVAL;
2100
2101         if (flag & SPECIFIC_SSID_FLAG)
2102                 wmi->is_probe_ssid = true;
2103
2104         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2105         if (!skb)
2106                 return -ENOMEM;
2107
2108         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2109         cmd->entry_index = index;
2110         cmd->flag = flag;
2111         cmd->ssid_len = ssid_len;
2112         memcpy(cmd->ssid, ssid, ssid_len);
2113
2114         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2115                                   NO_SYNC_WMIFLAG);
2116         return ret;
2117 }
2118
2119 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2120                                   u16 listen_interval,
2121                                   u16 listen_beacons)
2122 {
2123         struct sk_buff *skb;
2124         struct wmi_listen_int_cmd *cmd;
2125         int ret;
2126
2127         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2128         if (!skb)
2129                 return -ENOMEM;
2130
2131         cmd = (struct wmi_listen_int_cmd *) skb->data;
2132         cmd->listen_intvl = cpu_to_le16(listen_interval);
2133         cmd->num_beacons = cpu_to_le16(listen_beacons);
2134
2135         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2136                                   NO_SYNC_WMIFLAG);
2137         return ret;
2138 }
2139
2140 int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2141                              u16 bmiss_time, u16 num_beacons)
2142 {
2143         struct sk_buff *skb;
2144         struct wmi_bmiss_time_cmd *cmd;
2145         int ret;
2146
2147         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2148         if (!skb)
2149                 return -ENOMEM;
2150
2151         cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2152         cmd->bmiss_time = cpu_to_le16(bmiss_time);
2153         cmd->num_beacons = cpu_to_le16(num_beacons);
2154
2155         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2156                                   NO_SYNC_WMIFLAG);
2157         return ret;
2158 }
2159
2160 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2161 {
2162         struct sk_buff *skb;
2163         struct wmi_power_mode_cmd *cmd;
2164         int ret;
2165
2166         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2167         if (!skb)
2168                 return -ENOMEM;
2169
2170         cmd = (struct wmi_power_mode_cmd *) skb->data;
2171         cmd->pwr_mode = pwr_mode;
2172         wmi->pwr_mode = pwr_mode;
2173
2174         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2175                                   NO_SYNC_WMIFLAG);
2176         return ret;
2177 }
2178
2179 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2180                             u16 ps_poll_num, u16 dtim_policy,
2181                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2182                             u16 ps_fail_event_policy)
2183 {
2184         struct sk_buff *skb;
2185         struct wmi_power_params_cmd *pm;
2186         int ret;
2187
2188         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2189         if (!skb)
2190                 return -ENOMEM;
2191
2192         pm = (struct wmi_power_params_cmd *)skb->data;
2193         pm->idle_period = cpu_to_le16(idle_period);
2194         pm->pspoll_number = cpu_to_le16(ps_poll_num);
2195         pm->dtim_policy = cpu_to_le16(dtim_policy);
2196         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2197         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2198         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2199
2200         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2201                                   NO_SYNC_WMIFLAG);
2202         return ret;
2203 }
2204
2205 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2206 {
2207         struct sk_buff *skb;
2208         struct wmi_disc_timeout_cmd *cmd;
2209         int ret;
2210
2211         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2212         if (!skb)
2213                 return -ENOMEM;
2214
2215         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2216         cmd->discon_timeout = timeout;
2217
2218         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2219                                   NO_SYNC_WMIFLAG);
2220
2221         if (ret == 0)
2222                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2223
2224         return ret;
2225 }
2226
2227 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2228                           enum crypto_type key_type,
2229                           u8 key_usage, u8 key_len,
2230                           u8 *key_rsc, unsigned int key_rsc_len,
2231                           u8 *key_material,
2232                           u8 key_op_ctrl, u8 *mac_addr,
2233                           enum wmi_sync_flag sync_flag)
2234 {
2235         struct sk_buff *skb;
2236         struct wmi_add_cipher_key_cmd *cmd;
2237         int ret;
2238
2239         ath6kl_dbg(ATH6KL_DBG_WMI,
2240                    "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2241                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2242
2243         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2244             (key_material == NULL) || key_rsc_len > 8)
2245                 return -EINVAL;
2246
2247         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2248                 return -EINVAL;
2249
2250         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2251         if (!skb)
2252                 return -ENOMEM;
2253
2254         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2255         cmd->key_index = key_index;
2256         cmd->key_type = key_type;
2257         cmd->key_usage = key_usage;
2258         cmd->key_len = key_len;
2259         memcpy(cmd->key, key_material, key_len);
2260
2261         if (key_rsc != NULL)
2262                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2263
2264         cmd->key_op_ctrl = key_op_ctrl;
2265
2266         if (mac_addr)
2267                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2268
2269         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2270                                   sync_flag);
2271
2272         return ret;
2273 }
2274
2275 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk)
2276 {
2277         struct sk_buff *skb;
2278         struct wmi_add_krk_cmd *cmd;
2279         int ret;
2280
2281         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2282         if (!skb)
2283                 return -ENOMEM;
2284
2285         cmd = (struct wmi_add_krk_cmd *) skb->data;
2286         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2287
2288         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2289                                   NO_SYNC_WMIFLAG);
2290
2291         return ret;
2292 }
2293
2294 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2295 {
2296         struct sk_buff *skb;
2297         struct wmi_delete_cipher_key_cmd *cmd;
2298         int ret;
2299
2300         if (key_index > WMI_MAX_KEY_INDEX)
2301                 return -EINVAL;
2302
2303         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2304         if (!skb)
2305                 return -ENOMEM;
2306
2307         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2308         cmd->key_index = key_index;
2309
2310         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2311                                   NO_SYNC_WMIFLAG);
2312
2313         return ret;
2314 }
2315
2316 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2317                             const u8 *pmkid, bool set)
2318 {
2319         struct sk_buff *skb;
2320         struct wmi_setpmkid_cmd *cmd;
2321         int ret;
2322
2323         if (bssid == NULL)
2324                 return -EINVAL;
2325
2326         if (set && pmkid == NULL)
2327                 return -EINVAL;
2328
2329         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2330         if (!skb)
2331                 return -ENOMEM;
2332
2333         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2334         memcpy(cmd->bssid, bssid, ETH_ALEN);
2335         if (set) {
2336                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2337                 cmd->enable = PMKID_ENABLE;
2338         } else {
2339                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2340                 cmd->enable = PMKID_DISABLE;
2341         }
2342
2343         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2344                                   NO_SYNC_WMIFLAG);
2345
2346         return ret;
2347 }
2348
2349 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2350                               enum htc_endpoint_id ep_id, u8 if_idx)
2351 {
2352         struct wmi_data_hdr *data_hdr;
2353         int ret;
2354
2355         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id))
2356                 return -EINVAL;
2357
2358         skb_push(skb, sizeof(struct wmi_data_hdr));
2359
2360         data_hdr = (struct wmi_data_hdr *) skb->data;
2361         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2362         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2363
2364         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2365
2366         return ret;
2367 }
2368
2369 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2370 {
2371         struct sk_buff *skb;
2372         struct wmi_sync_cmd *cmd;
2373         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2374         enum htc_endpoint_id ep_id;
2375         u8 index, num_pri_streams = 0;
2376         int ret = 0;
2377
2378         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2379
2380         spin_lock_bh(&wmi->lock);
2381
2382         for (index = 0; index < WMM_NUM_AC; index++) {
2383                 if (wmi->fat_pipe_exist & (1 << index)) {
2384                         num_pri_streams++;
2385                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2386                             index;
2387                 }
2388         }
2389
2390         spin_unlock_bh(&wmi->lock);
2391
2392         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2393         if (!skb) {
2394                 ret = -ENOMEM;
2395                 goto free_skb;
2396         }
2397
2398         cmd = (struct wmi_sync_cmd *) skb->data;
2399
2400         /*
2401          * In the SYNC cmd sent on the control Ep, send a bitmap
2402          * of the data eps on which the Data Sync will be sent
2403          */
2404         cmd->data_sync_map = wmi->fat_pipe_exist;
2405
2406         for (index = 0; index < num_pri_streams; index++) {
2407                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2408                 if (data_sync_bufs[index].skb == NULL) {
2409                         ret = -ENOMEM;
2410                         break;
2411                 }
2412         }
2413
2414         /*
2415          * If buffer allocation for any of the dataSync fails,
2416          * then do not send the Synchronize cmd on the control ep
2417          */
2418         if (ret)
2419                 goto free_skb;
2420
2421         /*
2422          * Send sync cmd followed by sync data messages on all
2423          * endpoints being used
2424          */
2425         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2426                                   NO_SYNC_WMIFLAG);
2427
2428         if (ret)
2429                 goto free_skb;
2430
2431         /* cmd buffer sent, we no longer own it */
2432         skb = NULL;
2433
2434         for (index = 0; index < num_pri_streams; index++) {
2435
2436                 if (WARN_ON(!data_sync_bufs[index].skb))
2437                         break;
2438
2439                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2440                                                data_sync_bufs[index].
2441                                                traffic_class);
2442                 ret =
2443                     ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2444                                               ep_id, if_idx);
2445
2446                 if (ret)
2447                         break;
2448
2449                 data_sync_bufs[index].skb = NULL;
2450         }
2451
2452 free_skb:
2453         /* free up any resources left over (possibly due to an error) */
2454         if (skb)
2455                 dev_kfree_skb(skb);
2456
2457         for (index = 0; index < num_pri_streams; index++) {
2458                 if (data_sync_bufs[index].skb != NULL) {
2459                         dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].
2460                                       skb);
2461                 }
2462         }
2463
2464         return ret;
2465 }
2466
2467 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2468                                   struct wmi_create_pstream_cmd *params)
2469 {
2470         struct sk_buff *skb;
2471         struct wmi_create_pstream_cmd *cmd;
2472         u8 fatpipe_exist_for_ac = 0;
2473         s32 min_phy = 0;
2474         s32 nominal_phy = 0;
2475         int ret;
2476
2477         if (!((params->user_pri < 8) &&
2478               (params->user_pri <= 0x7) &&
2479               (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2480               (params->traffic_direc == UPLINK_TRAFFIC ||
2481                params->traffic_direc == DNLINK_TRAFFIC ||
2482                params->traffic_direc == BIDIR_TRAFFIC) &&
2483               (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2484                params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2485               (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2486                params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2487                params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2488               (params->tsid == WMI_IMPLICIT_PSTREAM ||
2489                params->tsid <= WMI_MAX_THINSTREAM))) {
2490                 return -EINVAL;
2491         }
2492
2493         /*
2494          * Check nominal PHY rate is >= minimalPHY,
2495          * so that DUT can allow TSRS IE
2496          */
2497
2498         /* Get the physical rate (units of bps) */
2499         min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2500
2501         /* Check minimal phy < nominal phy rate */
2502         if (params->nominal_phy >= min_phy) {
2503                 /* unit of 500 kbps */
2504                 nominal_phy = (params->nominal_phy * 1000) / 500;
2505                 ath6kl_dbg(ATH6KL_DBG_WMI,
2506                            "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2507                            min_phy, nominal_phy);
2508
2509                 params->nominal_phy = nominal_phy;
2510         } else {
2511                 params->nominal_phy = 0;
2512         }
2513
2514         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2515         if (!skb)
2516                 return -ENOMEM;
2517
2518         ath6kl_dbg(ATH6KL_DBG_WMI,
2519                    "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2520                    params->traffic_class, params->tsid);
2521
2522         cmd = (struct wmi_create_pstream_cmd *) skb->data;
2523         memcpy(cmd, params, sizeof(*cmd));
2524
2525         /* This is an implicitly created Fat pipe */
2526         if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2527                 spin_lock_bh(&wmi->lock);
2528                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2529                                         (1 << params->traffic_class));
2530                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2531                 spin_unlock_bh(&wmi->lock);
2532         } else {
2533                 /* explicitly created thin stream within a fat pipe */
2534                 spin_lock_bh(&wmi->lock);
2535                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2536                                         (1 << params->traffic_class));
2537                 wmi->stream_exist_for_ac[params->traffic_class] |=
2538                     (1 << params->tsid);
2539                 /*
2540                  * If a thinstream becomes active, the fat pipe automatically
2541                  * becomes active
2542                  */
2543                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2544                 spin_unlock_bh(&wmi->lock);
2545         }
2546
2547         /*
2548          * Indicate activty change to driver layer only if this is the
2549          * first TSID to get created in this AC explicitly or an implicit
2550          * fat pipe is getting created.
2551          */
2552         if (!fatpipe_exist_for_ac)
2553                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2554                                             params->traffic_class, true);
2555
2556         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2557                                   NO_SYNC_WMIFLAG);
2558         return ret;
2559 }
2560
2561 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2562                                   u8 tsid)
2563 {
2564         struct sk_buff *skb;
2565         struct wmi_delete_pstream_cmd *cmd;
2566         u16 active_tsids = 0;
2567         int ret;
2568
2569         if (traffic_class > 3) {
2570                 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2571                 return -EINVAL;
2572         }
2573
2574         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2575         if (!skb)
2576                 return -ENOMEM;
2577
2578         cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2579         cmd->traffic_class = traffic_class;
2580         cmd->tsid = tsid;
2581
2582         spin_lock_bh(&wmi->lock);
2583         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2584         spin_unlock_bh(&wmi->lock);
2585
2586         if (!(active_tsids & (1 << tsid))) {
2587                 dev_kfree_skb(skb);
2588                 ath6kl_dbg(ATH6KL_DBG_WMI,
2589                            "TSID %d doesn't exist for traffic class: %d\n",
2590                            tsid, traffic_class);
2591                 return -ENODATA;
2592         }
2593
2594         ath6kl_dbg(ATH6KL_DBG_WMI,
2595                    "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2596                    traffic_class, tsid);
2597
2598         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2599                                   SYNC_BEFORE_WMIFLAG);
2600
2601         spin_lock_bh(&wmi->lock);
2602         wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2603         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2604         spin_unlock_bh(&wmi->lock);
2605
2606         /*
2607          * Indicate stream inactivity to driver layer only if all tsids
2608          * within this AC are deleted.
2609          */
2610         if (!active_tsids) {
2611                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2612                                             traffic_class, false);
2613                 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2614         }
2615
2616         return ret;
2617 }
2618
2619 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2620                           __be32 ips0, __be32 ips1)
2621 {
2622         struct sk_buff *skb;
2623         struct wmi_set_ip_cmd *cmd;
2624         int ret;
2625
2626         /* Multicast address are not valid */
2627         if (ipv4_is_multicast(ips0) ||
2628             ipv4_is_multicast(ips1))
2629                 return -EINVAL;
2630
2631         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2632         if (!skb)
2633                 return -ENOMEM;
2634
2635         cmd = (struct wmi_set_ip_cmd *) skb->data;
2636         cmd->ips[0] = ips0;
2637         cmd->ips[1] = ips1;
2638
2639         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2640                                   NO_SYNC_WMIFLAG);
2641         return ret;
2642 }
2643
2644 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2645 {
2646         u16 active_tsids;
2647         u8 stream_exist;
2648         int i;
2649
2650         /*
2651          * Relinquish credits from all implicitly created pstreams
2652          * since when we go to sleep. If user created explicit
2653          * thinstreams exists with in a fatpipe leave them intact
2654          * for the user to delete.
2655          */
2656         spin_lock_bh(&wmi->lock);
2657         stream_exist = wmi->fat_pipe_exist;
2658         spin_unlock_bh(&wmi->lock);
2659
2660         for (i = 0; i < WMM_NUM_AC; i++) {
2661                 if (stream_exist & (1 << i)) {
2662
2663                         /*
2664                          * FIXME: Is this lock & unlock inside
2665                          * for loop correct? may need rework.
2666                          */
2667                         spin_lock_bh(&wmi->lock);
2668                         active_tsids = wmi->stream_exist_for_ac[i];
2669                         spin_unlock_bh(&wmi->lock);
2670
2671                         /*
2672                          * If there are no user created thin streams
2673                          * delete the fatpipe
2674                          */
2675                         if (!active_tsids) {
2676                                 stream_exist &= ~(1 << i);
2677                                 /*
2678                                  * Indicate inactivity to driver layer for
2679                                  * this fatpipe (pstream)
2680                                  */
2681                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2682                                                             i, false);
2683                         }
2684                 }
2685         }
2686
2687         /* FIXME: Can we do this assignment without locking ? */
2688         spin_lock_bh(&wmi->lock);
2689         wmi->fat_pipe_exist = stream_exist;
2690         spin_unlock_bh(&wmi->lock);
2691 }
2692
2693 static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2694                                      const struct cfg80211_bitrate_mask *mask)
2695 {
2696         struct sk_buff *skb;
2697         int ret, mode, band;
2698         u64 mcsrate, ratemask[IEEE80211_NUM_BANDS];
2699         struct wmi_set_tx_select_rates64_cmd *cmd;
2700
2701         memset(&ratemask, 0, sizeof(ratemask));
2702         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2703                 /* copy legacy rate mask */
2704                 ratemask[band] = mask->control[band].legacy;
2705                 if (band == IEEE80211_BAND_5GHZ)
2706                         ratemask[band] =
2707                                 mask->control[band].legacy << 4;
2708
2709                 /* copy mcs rate mask */
2710                 mcsrate = mask->control[band].mcs[1];
2711                 mcsrate <<= 8;
2712                 mcsrate |= mask->control[band].mcs[0];
2713                 ratemask[band] |= mcsrate << 12;
2714                 ratemask[band] |= mcsrate << 28;
2715         }
2716
2717         ath6kl_dbg(ATH6KL_DBG_WMI,
2718                    "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2719                    ratemask[0], ratemask[1]);
2720
2721         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2722         if (!skb)
2723                 return -ENOMEM;
2724
2725         cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2726         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2727                 /* A mode operate in 5GHZ band */
2728                 if (mode == WMI_RATES_MODE_11A ||
2729                     mode == WMI_RATES_MODE_11A_HT20 ||
2730                     mode == WMI_RATES_MODE_11A_HT40)
2731                         band = IEEE80211_BAND_5GHZ;
2732                 else
2733                         band = IEEE80211_BAND_2GHZ;
2734                 cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2735         }
2736
2737         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2738                                   WMI_SET_TX_SELECT_RATES_CMDID,
2739                                   NO_SYNC_WMIFLAG);
2740         return ret;
2741 }
2742
2743 static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2744                                      const struct cfg80211_bitrate_mask *mask)
2745 {
2746         struct sk_buff *skb;
2747         int ret, mode, band;
2748         u32 mcsrate, ratemask[IEEE80211_NUM_BANDS];
2749         struct wmi_set_tx_select_rates32_cmd *cmd;
2750
2751         memset(&ratemask, 0, sizeof(ratemask));
2752         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2753                 /* copy legacy rate mask */
2754                 ratemask[band] = mask->control[band].legacy;
2755                 if (band == IEEE80211_BAND_5GHZ)
2756                         ratemask[band] =
2757                                 mask->control[band].legacy << 4;
2758
2759                 /* copy mcs rate mask */
2760                 mcsrate = mask->control[band].mcs[0];
2761                 ratemask[band] |= mcsrate << 12;
2762                 ratemask[band] |= mcsrate << 20;
2763         }
2764
2765         ath6kl_dbg(ATH6KL_DBG_WMI,
2766                    "Ratemask 32 bit: 2.4:%x 5:%x\n",
2767                    ratemask[0], ratemask[1]);
2768
2769         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2770         if (!skb)
2771                 return -ENOMEM;
2772
2773         cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2774         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2775                 /* A mode operate in 5GHZ band */
2776                 if (mode == WMI_RATES_MODE_11A ||
2777                     mode == WMI_RATES_MODE_11A_HT20 ||
2778                     mode == WMI_RATES_MODE_11A_HT40)
2779                         band = IEEE80211_BAND_5GHZ;
2780                 else
2781                         band = IEEE80211_BAND_2GHZ;
2782                 cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2783         }
2784
2785         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2786                                   WMI_SET_TX_SELECT_RATES_CMDID,
2787                                   NO_SYNC_WMIFLAG);
2788         return ret;
2789 }
2790
2791 int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2792                                 const struct cfg80211_bitrate_mask *mask)
2793 {
2794         struct ath6kl *ar = wmi->parent_dev;
2795
2796         if (ar->hw.flags & ATH6KL_HW_FLAG_64BIT_RATES)
2797                 return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
2798         else
2799                 return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
2800 }
2801
2802 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2803                                        enum ath6kl_host_mode host_mode)
2804 {
2805         struct sk_buff *skb;
2806         struct wmi_set_host_sleep_mode_cmd *cmd;
2807         int ret;
2808
2809         if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2810             (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2811                 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2812                 return -EINVAL;
2813         }
2814
2815         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2816         if (!skb)
2817                 return -ENOMEM;
2818
2819         cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2820
2821         if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2822                 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2823                 cmd->asleep = cpu_to_le32(1);
2824         } else
2825                 cmd->awake = cpu_to_le32(1);
2826
2827         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2828                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2829                                   NO_SYNC_WMIFLAG);
2830         return ret;
2831 }
2832
2833 /* This command has zero length payload */
2834 static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2835                                                       struct ath6kl_vif *vif)
2836 {
2837         struct ath6kl *ar = wmi->parent_dev;
2838
2839         set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2840         wake_up(&ar->event_wq);
2841
2842         return 0;
2843 }
2844
2845 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2846                                 enum ath6kl_wow_mode wow_mode,
2847                                 u32 filter, u16 host_req_delay)
2848 {
2849         struct sk_buff *skb;
2850         struct wmi_set_wow_mode_cmd *cmd;
2851         int ret;
2852
2853         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2854             wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2855                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2856                 return -EINVAL;
2857         }
2858
2859         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2860         if (!skb)
2861                 return -ENOMEM;
2862
2863         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2864         cmd->enable_wow = cpu_to_le32(wow_mode);
2865         cmd->filter = cpu_to_le32(filter);
2866         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2867
2868         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2869                                   NO_SYNC_WMIFLAG);
2870         return ret;
2871 }
2872
2873 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2874                                    u8 list_id, u8 filter_size,
2875                                    u8 filter_offset, const u8 *filter,
2876                                    const u8 *mask)
2877 {
2878         struct sk_buff *skb;
2879         struct wmi_add_wow_pattern_cmd *cmd;
2880         u16 size;
2881         u8 *filter_mask;
2882         int ret;
2883
2884         /*
2885          * Allocate additional memory in the buffer to hold
2886          * filter and mask value, which is twice of filter_size.
2887          */
2888         size = sizeof(*cmd) + (2 * filter_size);
2889
2890         skb = ath6kl_wmi_get_new_buf(size);
2891         if (!skb)
2892                 return -ENOMEM;
2893
2894         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2895         cmd->filter_list_id = list_id;
2896         cmd->filter_size = filter_size;
2897         cmd->filter_offset = filter_offset;
2898
2899         memcpy(cmd->filter, filter, filter_size);
2900
2901         filter_mask = (u8 *) (cmd->filter + filter_size);
2902         memcpy(filter_mask, mask, filter_size);
2903
2904         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2905                                   NO_SYNC_WMIFLAG);
2906
2907         return ret;
2908 }
2909
2910 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2911                                    u16 list_id, u16 filter_id)
2912 {
2913         struct sk_buff *skb;
2914         struct wmi_del_wow_pattern_cmd *cmd;
2915         int ret;
2916
2917         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2918         if (!skb)
2919                 return -ENOMEM;
2920
2921         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2922         cmd->filter_list_id = cpu_to_le16(list_id);
2923         cmd->filter_id = cpu_to_le16(filter_id);
2924
2925         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2926                                   NO_SYNC_WMIFLAG);
2927         return ret;
2928 }
2929
2930 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2931                                     enum wmix_command_id cmd_id,
2932                                     enum wmi_sync_flag sync_flag)
2933 {
2934         struct wmix_cmd_hdr *cmd_hdr;
2935         int ret;
2936
2937         skb_push(skb, sizeof(struct wmix_cmd_hdr));
2938
2939         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2940         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2941
2942         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
2943
2944         return ret;
2945 }
2946
2947 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2948 {
2949         struct sk_buff *skb;
2950         struct wmix_hb_challenge_resp_cmd *cmd;
2951         int ret;
2952
2953         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2954         if (!skb)
2955                 return -ENOMEM;
2956
2957         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
2958         cmd->cookie = cpu_to_le32(cookie);
2959         cmd->source = cpu_to_le32(source);
2960
2961         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
2962                                        NO_SYNC_WMIFLAG);
2963         return ret;
2964 }
2965
2966 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
2967 {
2968         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
2969         struct sk_buff *skb;
2970         int ret;
2971
2972         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2973         if (!skb)
2974                 return -ENOMEM;
2975
2976         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
2977         cmd->valid = cpu_to_le32(valid);
2978         cmd->config = cpu_to_le32(config);
2979
2980         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
2981                                        NO_SYNC_WMIFLAG);
2982         return ret;
2983 }
2984
2985 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
2986 {
2987         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
2988 }
2989
2990 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
2991 {
2992         struct sk_buff *skb;
2993         struct wmi_set_tx_pwr_cmd *cmd;
2994         int ret;
2995
2996         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
2997         if (!skb)
2998                 return -ENOMEM;
2999
3000         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
3001         cmd->dbM = dbM;
3002
3003         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
3004                                   NO_SYNC_WMIFLAG);
3005
3006         return ret;
3007 }
3008
3009 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
3010 {
3011         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
3012 }
3013
3014 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
3015 {
3016         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
3017 }
3018
3019 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
3020                                  u8 preamble_policy)
3021 {
3022         struct sk_buff *skb;
3023         struct wmi_set_lpreamble_cmd *cmd;
3024         int ret;
3025
3026         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
3027         if (!skb)
3028                 return -ENOMEM;
3029
3030         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
3031         cmd->status = status;
3032         cmd->preamble_policy = preamble_policy;
3033
3034         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
3035                                   NO_SYNC_WMIFLAG);
3036         return ret;
3037 }
3038
3039 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
3040 {
3041         struct sk_buff *skb;
3042         struct wmi_set_rts_cmd *cmd;
3043         int ret;
3044
3045         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
3046         if (!skb)
3047                 return -ENOMEM;
3048
3049         cmd = (struct wmi_set_rts_cmd *) skb->data;
3050         cmd->threshold = cpu_to_le16(threshold);
3051
3052         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
3053                                   NO_SYNC_WMIFLAG);
3054         return ret;
3055 }
3056
3057 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
3058 {
3059         struct sk_buff *skb;
3060         struct wmi_set_wmm_txop_cmd *cmd;
3061         int ret;
3062
3063         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
3064                 return -EINVAL;
3065
3066         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
3067         if (!skb)
3068                 return -ENOMEM;
3069
3070         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
3071         cmd->txop_enable = cfg;
3072
3073         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
3074                                   NO_SYNC_WMIFLAG);
3075         return ret;
3076 }
3077
3078 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3079                                  u8 keep_alive_intvl)
3080 {
3081         struct sk_buff *skb;
3082         struct wmi_set_keepalive_cmd *cmd;
3083         int ret;
3084
3085         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3086         if (!skb)
3087                 return -ENOMEM;
3088
3089         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3090         cmd->keep_alive_intvl = keep_alive_intvl;
3091
3092         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
3093                                   NO_SYNC_WMIFLAG);
3094
3095         if (ret == 0)
3096                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
3097
3098         return ret;
3099 }
3100
3101 int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3102                              enum ieee80211_band band,
3103                              struct ath6kl_htcap *htcap)
3104 {
3105         struct sk_buff *skb;
3106         struct wmi_set_htcap_cmd *cmd;
3107
3108         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3109         if (!skb)
3110                 return -ENOMEM;
3111
3112         cmd = (struct wmi_set_htcap_cmd *) skb->data;
3113
3114         /*
3115          * NOTE: Band in firmware matches enum ieee80211_band, it is unlikely
3116          * this will be changed in firmware. If at all there is any change in
3117          * band value, the host needs to be fixed.
3118          */
3119         cmd->band = band;
3120         cmd->ht_enable = !!htcap->ht_enable;
3121         cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3122         cmd->ht40_supported =
3123                 !!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3124         cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3125         cmd->intolerant_40mhz =
3126                 !!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3127         cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3128
3129         ath6kl_dbg(ATH6KL_DBG_WMI,
3130                    "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3131                    cmd->band, cmd->ht_enable, cmd->ht40_supported,
3132                    cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3133                    cmd->max_ampdu_len_exp);
3134         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
3135                                    NO_SYNC_WMIFLAG);
3136 }
3137
3138 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3139 {
3140         struct sk_buff *skb;
3141         int ret;
3142
3143         skb = ath6kl_wmi_get_new_buf(len);
3144         if (!skb)
3145                 return -ENOMEM;
3146
3147         memcpy(skb->data, buf, len);
3148
3149         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
3150
3151         return ret;
3152 }
3153
3154 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3155 {
3156         struct sk_buff *skb;
3157         struct wmi_mcast_filter_cmd *cmd;
3158         int ret;
3159
3160         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3161         if (!skb)
3162                 return -ENOMEM;
3163
3164         cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3165         cmd->mcast_all_enable = mc_all_on;
3166
3167         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
3168                                   NO_SYNC_WMIFLAG);
3169         return ret;
3170 }
3171
3172 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3173                                         u8 *filter, bool add_filter)
3174 {
3175         struct sk_buff *skb;
3176         struct wmi_mcast_filter_add_del_cmd *cmd;
3177         int ret;
3178
3179         if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3180             (filter[0] != 0x01 || filter[1] != 0x00 ||
3181             filter[2] != 0x5e || filter[3] > 0x7f)) {
3182                 ath6kl_warn("invalid multicast filter address\n");
3183                 return -EINVAL;
3184         }
3185
3186         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3187         if (!skb)
3188                 return -ENOMEM;
3189
3190         cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3191         memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3192         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3193                                   add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3194                                   WMI_DEL_MCAST_FILTER_CMDID,
3195                                   NO_SYNC_WMIFLAG);
3196
3197         return ret;
3198 }
3199
3200 int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3201 {
3202         struct sk_buff *skb;
3203         struct wmi_sta_bmiss_enhance_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_sta_bmiss_enhance_cmd *) skb->data;
3211         cmd->enable = enhance ? 1 : 0;
3212
3213         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3214                                   WMI_STA_BMISS_ENHANCE_CMDID,
3215                                   NO_SYNC_WMIFLAG);
3216         return ret;
3217 }
3218
3219 int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
3220 {
3221         struct sk_buff *skb;
3222         struct wmi_set_regdomain_cmd *cmd;
3223
3224         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3225         if (!skb)
3226                 return -ENOMEM;
3227
3228         cmd = (struct wmi_set_regdomain_cmd *) skb->data;
3229         memcpy(cmd->iso_name, alpha2, 2);
3230
3231         return ath6kl_wmi_cmd_send(wmi, 0, skb,
3232                                    WMI_SET_REGDOMAIN_CMDID,
3233                                    NO_SYNC_WMIFLAG);
3234 }
3235
3236 s32 ath6kl_wmi_get_rate(s8 rate_index)
3237 {
3238         if (rate_index == RATE_AUTO)
3239                 return 0;
3240
3241         return wmi_rate_tbl[(u32) rate_index][0];
3242 }
3243
3244 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3245                                               u32 len)
3246 {
3247         struct wmi_pmkid_list_reply *reply;
3248         u32 expected_len;
3249
3250         if (len < sizeof(struct wmi_pmkid_list_reply))
3251                 return -EINVAL;
3252
3253         reply = (struct wmi_pmkid_list_reply *)datap;
3254         expected_len = sizeof(reply->num_pmkid) +
3255                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3256
3257         if (len < expected_len)
3258                 return -EINVAL;
3259
3260         return 0;
3261 }
3262
3263 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3264                                          struct ath6kl_vif *vif)
3265 {
3266         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3267
3268         aggr_recv_addba_req_evt(vif, cmd->tid,
3269                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
3270
3271         return 0;
3272 }
3273
3274 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3275                                          struct ath6kl_vif *vif)
3276 {
3277         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3278
3279         aggr_recv_delba_req_evt(vif, cmd->tid);
3280
3281         return 0;
3282 }
3283
3284 /*  AP mode functions */
3285
3286 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3287                                  struct wmi_connect_cmd *p)
3288 {
3289         struct sk_buff *skb;
3290         struct wmi_connect_cmd *cm;
3291         int res;
3292
3293         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3294         if (!skb)
3295                 return -ENOMEM;
3296
3297         cm = (struct wmi_connect_cmd *) skb->data;
3298         memcpy(cm, p, sizeof(*cm));
3299
3300         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3301                                   NO_SYNC_WMIFLAG);
3302         ath6kl_dbg(ATH6KL_DBG_WMI,
3303                    "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3304                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3305                    le32_to_cpu(p->ctrl_flags), res);
3306         return res;
3307 }
3308
3309 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3310                            u16 reason)
3311 {
3312         struct sk_buff *skb;
3313         struct wmi_ap_set_mlme_cmd *cm;
3314
3315         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3316         if (!skb)
3317                 return -ENOMEM;
3318
3319         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3320         memcpy(cm->mac, mac, ETH_ALEN);
3321         cm->reason = cpu_to_le16(reason);
3322         cm->cmd = cmd;
3323
3324         ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3325                    cm->reason);
3326
3327         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3328                                    NO_SYNC_WMIFLAG);
3329 }
3330
3331 int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3332 {
3333         struct sk_buff *skb;
3334         struct wmi_ap_hidden_ssid_cmd *cmd;
3335
3336         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3337         if (!skb)
3338                 return -ENOMEM;
3339
3340         cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3341         cmd->hidden_ssid = enable ? 1 : 0;
3342
3343         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3344                                    NO_SYNC_WMIFLAG);
3345 }
3346
3347 /* This command will be used to enable/disable AP uAPSD feature */
3348 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3349 {
3350         struct wmi_ap_set_apsd_cmd *cmd;
3351         struct sk_buff *skb;
3352
3353         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3354         if (!skb)
3355                 return -ENOMEM;
3356
3357         cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3358         cmd->enable = enable;
3359
3360         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3361                                    NO_SYNC_WMIFLAG);
3362 }
3363
3364 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3365                                              u16 aid, u16 bitmap, u32 flags)
3366 {
3367         struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3368         struct sk_buff *skb;
3369
3370         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3371         if (!skb)
3372                 return -ENOMEM;
3373
3374         cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3375         cmd->aid = cpu_to_le16(aid);
3376         cmd->bitmap = cpu_to_le16(bitmap);
3377         cmd->flags = cpu_to_le32(flags);
3378
3379         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3380                                    WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3381                                    NO_SYNC_WMIFLAG);
3382 }
3383
3384 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3385                                       struct ath6kl_vif *vif)
3386 {
3387         struct wmi_pspoll_event *ev;
3388
3389         if (len < sizeof(struct wmi_pspoll_event))
3390                 return -EINVAL;
3391
3392         ev = (struct wmi_pspoll_event *) datap;
3393
3394         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3395
3396         return 0;
3397 }
3398
3399 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3400                                           struct ath6kl_vif *vif)
3401 {
3402         ath6kl_dtimexpiry_event(vif);
3403
3404         return 0;
3405 }
3406
3407 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3408                            bool flag)
3409 {
3410         struct sk_buff *skb;
3411         struct wmi_ap_set_pvb_cmd *cmd;
3412         int ret;
3413
3414         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3415         if (!skb)
3416                 return -ENOMEM;
3417
3418         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3419         cmd->aid = cpu_to_le16(aid);
3420         cmd->rsvd = cpu_to_le16(0);
3421         cmd->flag = cpu_to_le32(flag);
3422
3423         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3424                                   NO_SYNC_WMIFLAG);
3425
3426         return 0;
3427 }
3428
3429 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3430                                        u8 rx_meta_ver,
3431                                        bool rx_dot11_hdr, bool defrag_on_host)
3432 {
3433         struct sk_buff *skb;
3434         struct wmi_rx_frame_format_cmd *cmd;
3435         int ret;
3436
3437         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3438         if (!skb)
3439                 return -ENOMEM;
3440
3441         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3442         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3443         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3444         cmd->meta_ver = rx_meta_ver;
3445
3446         /* Delete the local aggr state, on host */
3447         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3448                                   NO_SYNC_WMIFLAG);
3449
3450         return ret;
3451 }
3452
3453 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3454                              const u8 *ie, u8 ie_len)
3455 {
3456         struct sk_buff *skb;
3457         struct wmi_set_appie_cmd *p;
3458
3459         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3460         if (!skb)
3461                 return -ENOMEM;
3462
3463         ath6kl_dbg(ATH6KL_DBG_WMI,
3464                    "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3465                    mgmt_frm_type, ie_len);
3466         p = (struct wmi_set_appie_cmd *) skb->data;
3467         p->mgmt_frm_type = mgmt_frm_type;
3468         p->ie_len = ie_len;
3469
3470         if (ie != NULL && ie_len > 0)
3471                 memcpy(p->ie_info, ie, ie_len);
3472
3473         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3474                                    NO_SYNC_WMIFLAG);
3475 }
3476
3477 int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3478                           const u8 *ie_info, u8 ie_len)
3479 {
3480         struct sk_buff *skb;
3481         struct wmi_set_ie_cmd *p;
3482
3483         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3484         if (!skb)
3485                 return -ENOMEM;
3486
3487         ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3488                    ie_id, ie_field, ie_len);
3489         p = (struct wmi_set_ie_cmd *) skb->data;
3490         p->ie_id = ie_id;
3491         p->ie_field = ie_field;
3492         p->ie_len = ie_len;
3493         if (ie_info && ie_len > 0)
3494                 memcpy(p->ie_info, ie_info, ie_len);
3495
3496         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,
3497                                    NO_SYNC_WMIFLAG);
3498 }
3499
3500 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3501 {
3502         struct sk_buff *skb;
3503         struct wmi_disable_11b_rates_cmd *cmd;
3504
3505         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3506         if (!skb)
3507                 return -ENOMEM;
3508
3509         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3510                    disable);
3511         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3512         cmd->disable = disable ? 1 : 0;
3513
3514         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3515                                    NO_SYNC_WMIFLAG);
3516 }
3517
3518 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3519 {
3520         struct sk_buff *skb;
3521         struct wmi_remain_on_chnl_cmd *p;
3522
3523         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3524         if (!skb)
3525                 return -ENOMEM;
3526
3527         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3528                    freq, dur);
3529         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3530         p->freq = cpu_to_le32(freq);
3531         p->duration = cpu_to_le32(dur);
3532         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3533                                    NO_SYNC_WMIFLAG);
3534 }
3535
3536 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3537  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3538  * mgmt operations using station interface.
3539  */
3540 static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3541                                       u32 freq, u32 wait, const u8 *data,
3542                                       u16 data_len)
3543 {
3544         struct sk_buff *skb;
3545         struct wmi_send_action_cmd *p;
3546         u8 *buf;
3547
3548         if (wait)
3549                 return -EINVAL; /* Offload for wait not supported */
3550
3551         buf = kmalloc(data_len, GFP_KERNEL);
3552         if (!buf)
3553                 return -ENOMEM;
3554
3555         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3556         if (!skb) {
3557                 kfree(buf);
3558                 return -ENOMEM;
3559         }
3560
3561         kfree(wmi->last_mgmt_tx_frame);
3562         memcpy(buf, data, data_len);
3563         wmi->last_mgmt_tx_frame = buf;
3564         wmi->last_mgmt_tx_frame_len = data_len;
3565
3566         ath6kl_dbg(ATH6KL_DBG_WMI,
3567                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3568                    id, freq, wait, data_len);
3569         p = (struct wmi_send_action_cmd *) skb->data;
3570         p->id = cpu_to_le32(id);
3571         p->freq = cpu_to_le32(freq);
3572         p->wait = cpu_to_le32(wait);
3573         p->len = cpu_to_le16(data_len);
3574         memcpy(p->data, data, data_len);
3575         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3576                                    NO_SYNC_WMIFLAG);
3577 }
3578
3579 static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3580                                       u32 freq, u32 wait, const u8 *data,
3581                                       u16 data_len, u32 no_cck)
3582 {
3583         struct sk_buff *skb;
3584         struct wmi_send_mgmt_cmd *p;
3585         u8 *buf;
3586
3587         if (wait)
3588                 return -EINVAL; /* Offload for wait not supported */
3589
3590         buf = kmalloc(data_len, GFP_KERNEL);
3591         if (!buf)
3592                 return -ENOMEM;
3593
3594         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3595         if (!skb) {
3596                 kfree(buf);
3597                 return -ENOMEM;
3598         }
3599
3600         kfree(wmi->last_mgmt_tx_frame);
3601         memcpy(buf, data, data_len);
3602         wmi->last_mgmt_tx_frame = buf;
3603         wmi->last_mgmt_tx_frame_len = data_len;
3604
3605         ath6kl_dbg(ATH6KL_DBG_WMI,
3606                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3607                    id, freq, wait, data_len);
3608         p = (struct wmi_send_mgmt_cmd *) skb->data;
3609         p->id = cpu_to_le32(id);
3610         p->freq = cpu_to_le32(freq);
3611         p->wait = cpu_to_le32(wait);
3612         p->no_cck = cpu_to_le32(no_cck);
3613         p->len = cpu_to_le16(data_len);
3614         memcpy(p->data, data, data_len);
3615         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3616                                    NO_SYNC_WMIFLAG);
3617 }
3618
3619 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3620                                 u32 wait, const u8 *data, u16 data_len,
3621                                 u32 no_cck)
3622 {
3623         int status;
3624         struct ath6kl *ar = wmi->parent_dev;
3625
3626         if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3627                      ar->fw_capabilities)) {
3628                 /*
3629                  * If capable of doing P2P mgmt operations using
3630                  * station interface, send additional information like
3631                  * supported rates to advertise and xmit rates for
3632                  * probe requests
3633                  */
3634                 status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3635                                                     wait, data, data_len,
3636                                                     no_cck);
3637         } else {
3638                 status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3639                                                     wait, data, data_len);
3640         }
3641
3642         return status;
3643 }
3644
3645 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3646                                        const u8 *dst, const u8 *data,
3647                                        u16 data_len)
3648 {
3649         struct sk_buff *skb;
3650         struct wmi_p2p_probe_response_cmd *p;
3651         size_t cmd_len = sizeof(*p) + data_len;
3652
3653         if (data_len == 0)
3654                 cmd_len++; /* work around target minimum length requirement */
3655
3656         skb = ath6kl_wmi_get_new_buf(cmd_len);
3657         if (!skb)
3658                 return -ENOMEM;
3659
3660         ath6kl_dbg(ATH6KL_DBG_WMI,
3661                    "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3662                    freq, dst, data_len);
3663         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3664         p->freq = cpu_to_le32(freq);
3665         memcpy(p->destination_addr, dst, ETH_ALEN);
3666         p->len = cpu_to_le16(data_len);
3667         memcpy(p->data, data, data_len);
3668         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3669                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3670                                    NO_SYNC_WMIFLAG);
3671 }
3672
3673 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3674 {
3675         struct sk_buff *skb;
3676         struct wmi_probe_req_report_cmd *p;
3677
3678         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3679         if (!skb)
3680                 return -ENOMEM;
3681
3682         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3683                    enable);
3684         p = (struct wmi_probe_req_report_cmd *) skb->data;
3685         p->enable = enable ? 1 : 0;
3686         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3687                                    NO_SYNC_WMIFLAG);
3688 }
3689
3690 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3691 {
3692         struct sk_buff *skb;
3693         struct wmi_get_p2p_info *p;
3694
3695         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3696         if (!skb)
3697                 return -ENOMEM;
3698
3699         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3700                    info_req_flags);
3701         p = (struct wmi_get_p2p_info *) skb->data;
3702         p->info_req_flags = cpu_to_le32(info_req_flags);
3703         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3704                                    NO_SYNC_WMIFLAG);
3705 }
3706
3707 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3708 {
3709         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3710         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3711                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3712 }
3713
3714 int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3715 {
3716         struct sk_buff *skb;
3717         struct wmi_set_inact_period_cmd *cmd;
3718
3719         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3720         if (!skb)
3721                 return -ENOMEM;
3722
3723         cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3724         cmd->inact_period = cpu_to_le32(inact_timeout);
3725         cmd->num_null_func = 0;
3726
3727         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,
3728                                    NO_SYNC_WMIFLAG);
3729 }
3730
3731 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3732 {
3733         struct wmix_cmd_hdr *cmd;
3734         u32 len;
3735         u16 id;
3736         u8 *datap;
3737         int ret = 0;
3738
3739         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3740                 ath6kl_err("bad packet 1\n");
3741                 return -EINVAL;
3742         }
3743
3744         cmd = (struct wmix_cmd_hdr *) skb->data;
3745         id = le32_to_cpu(cmd->cmd_id);
3746
3747         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3748
3749         datap = skb->data;
3750         len = skb->len;
3751
3752         switch (id) {
3753         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3754                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3755                 break;
3756         case WMIX_DBGLOG_EVENTID:
3757                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3758                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3759                 break;
3760         default:
3761                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3762                 ret = -EINVAL;
3763                 break;
3764         }
3765
3766         return ret;
3767 }
3768
3769 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3770 {
3771         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3772 }
3773
3774 /* Process interface specific wmi events, caller would free the datap */
3775 static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3776                                         u8 *datap, u32 len)
3777 {
3778         struct ath6kl_vif *vif;
3779
3780         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3781         if (!vif) {
3782                 ath6kl_dbg(ATH6KL_DBG_WMI,
3783                            "Wmi event for unavailable vif, vif_index:%d\n",
3784                             if_idx);
3785                 return -EINVAL;
3786         }
3787
3788         switch (cmd_id) {
3789         case WMI_CONNECT_EVENTID:
3790                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3791                 return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3792         case WMI_DISCONNECT_EVENTID:
3793                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3794                 return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3795         case WMI_TKIP_MICERR_EVENTID:
3796                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3797                 return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3798         case WMI_BSSINFO_EVENTID:
3799                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3800                 return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3801         case WMI_NEIGHBOR_REPORT_EVENTID:
3802                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3803                 return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3804                                                            vif);
3805         case WMI_SCAN_COMPLETE_EVENTID:
3806                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3807                 return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3808         case WMI_REPORT_STATISTICS_EVENTID:
3809                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3810                 return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3811         case WMI_CAC_EVENTID:
3812                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3813                 return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3814         case WMI_PSPOLL_EVENTID:
3815                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3816                 return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3817         case WMI_DTIMEXPIRY_EVENTID:
3818                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3819                 return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3820         case WMI_ADDBA_REQ_EVENTID:
3821                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3822                 return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3823         case WMI_DELBA_REQ_EVENTID:
3824                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3825                 return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3826         case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3827                 ath6kl_dbg(ATH6KL_DBG_WMI,
3828                            "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3829                 return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3830         case WMI_REMAIN_ON_CHNL_EVENTID:
3831                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3832                 return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3833         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3834                 ath6kl_dbg(ATH6KL_DBG_WMI,
3835                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3836                 return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3837                                                                  len, vif);
3838         case WMI_TX_STATUS_EVENTID:
3839                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3840                 return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3841         case WMI_RX_PROBE_REQ_EVENTID:
3842                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3843                 return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3844         case WMI_RX_ACTION_EVENTID:
3845                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3846                 return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3847         case WMI_TXE_NOTIFY_EVENTID:
3848                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");
3849                 return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
3850         default:
3851                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3852                 return -EINVAL;
3853         }
3854
3855         return 0;
3856 }
3857
3858 static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3859 {
3860         struct wmi_cmd_hdr *cmd;
3861         int ret = 0;
3862         u32 len;
3863         u16 id;
3864         u8 if_idx;
3865         u8 *datap;
3866
3867         cmd = (struct wmi_cmd_hdr *) skb->data;
3868         id = le16_to_cpu(cmd->cmd_id);
3869         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3870
3871         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3872         datap = skb->data;
3873         len = skb->len;
3874
3875         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3876         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3877                         datap, len);
3878
3879         switch (id) {
3880         case WMI_GET_BITRATE_CMDID:
3881                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3882                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3883                 break;
3884         case WMI_GET_CHANNEL_LIST_CMDID:
3885                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3886                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3887                 break;
3888         case WMI_GET_TX_PWR_CMDID:
3889                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3890                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3891                 break;
3892         case WMI_READY_EVENTID:
3893                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3894                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3895                 break;
3896         case WMI_PEER_NODE_EVENTID:
3897                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3898                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
3899                 break;
3900         case WMI_REGDOMAIN_EVENTID:
3901                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
3902                 ath6kl_wmi_regdomain_event(wmi, datap, len);
3903                 break;
3904         case WMI_PSTREAM_TIMEOUT_EVENTID:
3905                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
3906                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
3907                 break;
3908         case WMI_CMDERROR_EVENTID:
3909                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
3910                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
3911                 break;
3912         case WMI_RSSI_THRESHOLD_EVENTID:
3913                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
3914                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
3915                 break;
3916         case WMI_ERROR_REPORT_EVENTID:
3917                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
3918                 break;
3919         case WMI_OPT_RX_FRAME_EVENTID:
3920                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
3921                 /* this event has been deprecated */
3922                 break;
3923         case WMI_REPORT_ROAM_TBL_EVENTID:
3924                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
3925                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
3926                 break;
3927         case WMI_EXTENSION_EVENTID:
3928                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
3929                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
3930                 break;
3931         case WMI_CHANNEL_CHANGE_EVENTID:
3932                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
3933                 break;
3934         case WMI_REPORT_ROAM_DATA_EVENTID:
3935                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
3936                 break;
3937         case WMI_TEST_EVENTID:
3938                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
3939                 ret = ath6kl_wmi_test_rx(wmi, datap, len);
3940                 break;
3941         case WMI_GET_FIXRATES_CMDID:
3942                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
3943                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
3944                 break;
3945         case WMI_TX_RETRY_ERR_EVENTID:
3946                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
3947                 break;
3948         case WMI_SNR_THRESHOLD_EVENTID:
3949                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
3950                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
3951                 break;
3952         case WMI_LQ_THRESHOLD_EVENTID:
3953                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
3954                 break;
3955         case WMI_APLIST_EVENTID:
3956                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
3957                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
3958                 break;
3959         case WMI_GET_KEEPALIVE_CMDID:
3960                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
3961                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
3962                 break;
3963         case WMI_GET_WOW_LIST_EVENTID:
3964                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
3965                 break;
3966         case WMI_GET_PMKID_LIST_EVENTID:
3967                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
3968                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
3969                 break;
3970         case WMI_SET_PARAMS_REPLY_EVENTID:
3971                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
3972                 break;
3973         case WMI_ADDBA_RESP_EVENTID:
3974                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
3975                 break;
3976         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
3977                 ath6kl_dbg(ATH6KL_DBG_WMI,
3978                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
3979                 break;
3980         case WMI_REPORT_BTCOEX_STATS_EVENTID:
3981                 ath6kl_dbg(ATH6KL_DBG_WMI,
3982                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
3983                 break;
3984         case WMI_TX_COMPLETE_EVENTID:
3985                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
3986                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
3987                 break;
3988         case WMI_P2P_CAPABILITIES_EVENTID:
3989                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
3990                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
3991                 break;
3992         case WMI_P2P_INFO_EVENTID:
3993                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
3994                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
3995                 break;
3996         default:
3997                 /* may be the event is interface specific */
3998                 ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
3999                 break;
4000         }
4001
4002         dev_kfree_skb(skb);
4003         return ret;
4004 }
4005
4006 /* Control Path */
4007 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
4008 {
4009         if (WARN_ON(skb == NULL))
4010                 return -EINVAL;
4011
4012         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
4013                 ath6kl_err("bad packet 1\n");
4014                 dev_kfree_skb(skb);
4015                 return -EINVAL;
4016         }
4017
4018         return ath6kl_wmi_proc_events(wmi, skb);
4019 }
4020
4021 void ath6kl_wmi_reset(struct wmi *wmi)
4022 {
4023         spin_lock_bh(&wmi->lock);
4024
4025         wmi->fat_pipe_exist = 0;
4026         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
4027
4028         spin_unlock_bh(&wmi->lock);
4029 }
4030
4031 void *ath6kl_wmi_init(struct ath6kl *dev)
4032 {
4033         struct wmi *wmi;
4034
4035         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
4036         if (!wmi)
4037                 return NULL;
4038
4039         spin_lock_init(&wmi->lock);
4040
4041         wmi->parent_dev = dev;
4042
4043         wmi->pwr_mode = REC_POWER;
4044
4045         ath6kl_wmi_reset(wmi);
4046
4047         return wmi;
4048 }
4049
4050 void ath6kl_wmi_shutdown(struct wmi *wmi)
4051 {
4052         if (!wmi)
4053                 return;
4054
4055         kfree(wmi->last_mgmt_tx_frame);
4056         kfree(wmi);
4057 }