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 "core.h"
  20 #include "debug.h"
  21 #include "testmode.h"
  22 #include "../regd.h"
  23 #include "../regd_common.h"
  24
  25 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
  26
  27 static const s32 wmi_rate_tbl[][2] = {
  28         /* {W/O SGI, with SGI} */
  29         {1000, 1000},
  30         {2000, 2000},
  31         {5500, 5500},
  32         {11000, 11000},
  33         {6000, 6000},
  34         {9000, 9000},
  35         {12000, 12000},
  36         {18000, 18000},
  37         {24000, 24000},
  38         {36000, 36000},
  39         {48000, 48000},
  40         {54000, 54000},
  41         {6500, 7200},
  42         {13000, 14400},
  43         {19500, 21700},
  44         {26000, 28900},
  45         {39000, 43300},
  46         {52000, 57800},
  47         {58500, 65000},
  48         {65000, 72200},
  49         {13500, 15000},
  50         {27000, 30000},
  51         {40500, 45000},
  52         {54000, 60000},
  53         {81000, 90000},
  54         {108000, 120000},
  55         {121500, 135000},
  56         {135000, 150000},
  57         {0, 0}
  58 };
  59
  60 /* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
  61 static const u8 up_to_ac[] = {
  62         WMM_AC_BE,
  63         WMM_AC_BK,
  64         WMM_AC_BK,
  65         WMM_AC_BE,
  66         WMM_AC_VI,
  67         WMM_AC_VI,
  68         WMM_AC_VO,
  69         WMM_AC_VO,
  70 };
  71
  72 void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
  73 {
  74         if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
  75                 return;
  76
  77         wmi->ep_id = ep_id;
  78 }
  79
  80 enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
  81 {
  82         return wmi->ep_id;
  83 }
  84
  85 struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
  86 {
  87         struct ath6kl_vif *vif, *found = NULL;
  88
  89         if (WARN_ON(if_idx > (ar->vif_max - 1)))
  90                 return NULL;
  91
  92         /* FIXME: Locking */
  93         spin_lock_bh(&ar->list_lock);
  94         list_for_each_entry(vif, &ar->vif_list, list) {
  95                 if (vif->fw_vif_idx == if_idx) {
  96                         found = vif;
  97                         break;
  98                 }
  99         }
 100         spin_unlock_bh(&ar->list_lock);
 101
 102         return found;
 103 }
 104
 105 /*  Performs DIX to 802.3 encapsulation for transmit packets.
 106  *  Assumes the entire DIX header is contigous and that there is
 107  *  enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
 108  */
 109 int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
 110 {
 111         struct ath6kl_llc_snap_hdr *llc_hdr;
 112         struct ethhdr *eth_hdr;
 113         size_t new_len;
 114         __be16 type;
 115         u8 *datap;
 116         u16 size;
 117
 118         if (WARN_ON(skb == NULL))
 119                 return -EINVAL;
 120
 121         size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
 122         if (skb_headroom(skb) < size)
 123                 return -ENOMEM;
 124
 125         eth_hdr = (struct ethhdr *) skb->data;
 126         type = eth_hdr->h_proto;
 127
 128         if (!is_ethertype(be16_to_cpu(type))) {
 129                 ath6kl_dbg(ATH6KL_DBG_WMI,
 130                         "%s: pkt is already in 802.3 format\n", __func__);
 131                 return 0;
 132         }
 133
 134         new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
 135
 136         skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
 137         datap = skb->data;
 138
 139         eth_hdr->h_proto = cpu_to_be16(new_len);
 140
 141         memcpy(datap, eth_hdr, sizeof(*eth_hdr));
 142
 143         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
 144         llc_hdr->dsap = 0xAA;
 145         llc_hdr->ssap = 0xAA;
 146         llc_hdr->cntl = 0x03;
 147         llc_hdr->org_code[0] = 0x0;
 148         llc_hdr->org_code[1] = 0x0;
 149         llc_hdr->org_code[2] = 0x0;
 150         llc_hdr->eth_type = type;
 151
 152         return 0;
 153 }
 154
 155 static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
 156                                u8 *version, void *tx_meta_info)
 157 {
 158         struct wmi_tx_meta_v1 *v1;
 159         struct wmi_tx_meta_v2 *v2;
 160
 161         if (WARN_ON(skb == NULL || version == NULL))
 162                 return -EINVAL;
 163
 164         switch (*version) {
 165         case WMI_META_VERSION_1:
 166                 skb_push(skb, WMI_MAX_TX_META_SZ);
 167                 v1 = (struct wmi_tx_meta_v1 *) skb->data;
 168                 v1->pkt_id = 0;
 169                 v1->rate_plcy_id = 0;
 170                 *version = WMI_META_VERSION_1;
 171                 break;
 172         case WMI_META_VERSION_2:
 173                 skb_push(skb, WMI_MAX_TX_META_SZ);
 174                 v2 = (struct wmi_tx_meta_v2 *) skb->data;
 175                 memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
 176                        sizeof(struct wmi_tx_meta_v2));
 177                 break;
 178         }
 179
 180         return 0;
 181 }
 182
 183 int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
 184                             u8 msg_type, u32 flags,
 185                             enum wmi_data_hdr_data_type data_type,
 186                             u8 meta_ver, void *tx_meta_info, u8 if_idx)
 187 {
 188         struct wmi_data_hdr *data_hdr;
 189         int ret;
 190
 191         if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))
 192                 return -EINVAL;
 193
 194         if (tx_meta_info) {
 195                 ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
 196                 if (ret)
 197                         return ret;
 198         }
 199
 200         skb_push(skb, sizeof(struct wmi_data_hdr));
 201
 202         data_hdr = (struct wmi_data_hdr *)skb->data;
 203         memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
 204
 205         data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
 206         data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
 207
 208         if (flags & WMI_DATA_HDR_FLAGS_MORE)
 209                 data_hdr->info |= WMI_DATA_HDR_MORE;
 210
 211         if (flags & WMI_DATA_HDR_FLAGS_EOSP)
 212                 data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);
 213
 214         data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
 215         data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
 216
 217         return 0;
 218 }
 219
 220 u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
 221 {
 222         struct iphdr *ip_hdr = (struct iphdr *) pkt;
 223         u8 ip_pri;
 224
 225         /*
 226          * Determine IPTOS priority
 227          *
 228          * IP-TOS - 8bits
 229          *          : DSCP(6-bits) ECN(2-bits)
 230          *          : DSCP - P2 P1 P0 X X X
 231          * where (P2 P1 P0) form 802.1D
 232          */
 233         ip_pri = ip_hdr->tos >> 5;
 234         ip_pri &= 0x7;
 235
 236         if ((layer2_pri & 0x7) > ip_pri)
 237                 return (u8) layer2_pri & 0x7;
 238         else
 239                 return ip_pri;
 240 }
 241
 242 u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
 243 {
 244         return  up_to_ac[user_priority & 0x7];
 245 }
 246
 247 int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
 248                                        struct sk_buff *skb,
 249                                        u32 layer2_priority, bool wmm_enabled,
 250                                        u8 *ac)
 251 {
 252         struct wmi_data_hdr *data_hdr;
 253         struct ath6kl_llc_snap_hdr *llc_hdr;
 254         struct wmi_create_pstream_cmd cmd;
 255         u32 meta_size, hdr_size;
 256         u16 ip_type = IP_ETHERTYPE;
 257         u8 stream_exist, usr_pri;
 258         u8 traffic_class = WMM_AC_BE;
 259         u8 *datap;
 260
 261         if (WARN_ON(skb == NULL))
 262                 return -EINVAL;
 263
 264         datap = skb->data;
 265         data_hdr = (struct wmi_data_hdr *) datap;
 266
 267         meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
 268                      WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
 269
 270         if (!wmm_enabled) {
 271                 /* If WMM is disabled all traffic goes as BE traffic */
 272                 usr_pri = 0;
 273         } else {
 274                 hdr_size = sizeof(struct ethhdr);
 275
 276                 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
 277                                                          sizeof(struct
 278                                                                 wmi_data_hdr) +
 279                                                          meta_size + hdr_size);
 280
 281                 if (llc_hdr->eth_type == htons(ip_type)) {
 282                         /*
 283                          * Extract the endpoint info from the TOS field
 284                          * in the IP header.
 285                          */
 286                         usr_pri =
 287                            ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
 288                                         sizeof(struct ath6kl_llc_snap_hdr),
 289                                         layer2_priority);
 290                 } else
 291                         usr_pri = layer2_priority & 0x7;
 292         }
 293
 294         /*
 295          * workaround for WMM S5
 296          *
 297          * FIXME: wmi->traffic_class is always 100 so this test doesn't
 298          * make sense
 299          */
 300         if ((wmi->traffic_class == WMM_AC_VI) &&
 301             ((usr_pri == 5) || (usr_pri == 4)))
 302                 usr_pri = 1;
 303
 304         /* Convert user priority to traffic class */
 305         traffic_class = up_to_ac[usr_pri & 0x7];
 306
 307         wmi_data_hdr_set_up(data_hdr, usr_pri);
 308
 309         spin_lock_bh(&wmi->lock);
 310         stream_exist = wmi->fat_pipe_exist;
 311         spin_unlock_bh(&wmi->lock);
 312
 313         if (!(stream_exist & (1 << traffic_class))) {
 314                 memset(&cmd, 0, sizeof(cmd));
 315                 cmd.traffic_class = traffic_class;
 316                 cmd.user_pri = usr_pri;
 317                 cmd.inactivity_int =
 318                         cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
 319                 /* Implicit streams are created with TSID 0xFF */
 320                 cmd.tsid = WMI_IMPLICIT_PSTREAM;
 321                 ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
 322         }
 323
 324         *ac = traffic_class;
 325
 326         return 0;
 327 }
 328
 329 int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
 330 {
 331         struct ieee80211_hdr_3addr *pwh, wh;
 332         struct ath6kl_llc_snap_hdr *llc_hdr;
 333         struct ethhdr eth_hdr;
 334         u32 hdr_size;
 335         u8 *datap;
 336         __le16 sub_type;
 337
 338         if (WARN_ON(skb == NULL))
 339                 return -EINVAL;
 340
 341         datap = skb->data;
 342         pwh = (struct ieee80211_hdr_3addr *) datap;
 343
 344         sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
 345
 346         memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
 347
 348         /* Strip off the 802.11 header */
 349         if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
 350                 hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
 351                                    sizeof(u32));
 352                 skb_pull(skb, hdr_size);
 353         } else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA))
 354                 skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
 355
 356         datap = skb->data;
 357         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
 358
 359         memset(&eth_hdr, 0, sizeof(eth_hdr));
 360         eth_hdr.h_proto = llc_hdr->eth_type;
 361
 362         switch ((le16_to_cpu(wh.frame_control)) &
 363                 (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
 364         case 0:
 365                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 366                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 367                 break;
 368         case IEEE80211_FCTL_TODS:
 369                 memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
 370                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 371                 break;
 372         case IEEE80211_FCTL_FROMDS:
 373                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 374                 memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
 375                 break;
 376         case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
 377                 break;
 378         }
 379
 380         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 381         skb_push(skb, sizeof(eth_hdr));
 382
 383         datap = skb->data;
 384
 385         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 386
 387         return 0;
 388 }
 389
 390 /*
 391  * Performs 802.3 to DIX encapsulation for received packets.
 392  * Assumes the entire 802.3 header is contigous.
 393  */
 394 int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
 395 {
 396         struct ath6kl_llc_snap_hdr *llc_hdr;
 397         struct ethhdr eth_hdr;
 398         u8 *datap;
 399
 400         if (WARN_ON(skb == NULL))
 401                 return -EINVAL;
 402
 403         datap = skb->data;
 404
 405         memcpy(&eth_hdr, datap, sizeof(eth_hdr));
 406
 407         llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
 408         eth_hdr.h_proto = llc_hdr->eth_type;
 409
 410         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 411         datap = skb->data;
 412
 413         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 414
 415         return 0;
 416 }
 417
 418 static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
 419 {
 420         struct tx_complete_msg_v1 *msg_v1;
 421         struct wmi_tx_complete_event *evt;
 422         int index;
 423         u16 size;
 424
 425         evt = (struct wmi_tx_complete_event *) datap;
 426
 427         ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
 428                    evt->num_msg, evt->msg_len, evt->msg_type);
 429
 430         for (index = 0; index < evt->num_msg; index++) {
 431                 size = sizeof(struct wmi_tx_complete_event) +
 432                     (index * sizeof(struct tx_complete_msg_v1));
 433                 msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
 434
 435                 ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
 436                            msg_v1->status, msg_v1->pkt_id,
 437                            msg_v1->rate_idx, msg_v1->ack_failures);
 438         }
 439
 440         return 0;
 441 }
 442
 443 static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
 444                                               int len, struct ath6kl_vif *vif)
 445 {
 446         struct wmi_remain_on_chnl_event *ev;
 447         u32 freq;
 448         u32 dur;
 449         struct ieee80211_channel *chan;
 450         struct ath6kl *ar = wmi->parent_dev;
 451         u32 id;
 452
 453         if (len < sizeof(*ev))
 454                 return -EINVAL;
 455
 456         ev = (struct wmi_remain_on_chnl_event *) datap;
 457         freq = le32_to_cpu(ev->freq);
 458         dur = le32_to_cpu(ev->duration);
 459         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
 460                    freq, dur);
 461         chan = ieee80211_get_channel(ar->wiphy, freq);
 462         if (!chan) {
 463                 ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: Unknown channel "
 464                            "(freq=%u)\n", freq);
 465                 return -EINVAL;
 466         }
 467         id = vif->last_roc_id;
 468         cfg80211_ready_on_channel(vif->ndev, id, chan, NL80211_CHAN_NO_HT,
 469                                   dur, GFP_ATOMIC);
 470
 471         return 0;
 472 }
 473
 474 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
 475                                                      u8 *datap, int len,
 476                                                      struct ath6kl_vif *vif)
 477 {
 478         struct wmi_cancel_remain_on_chnl_event *ev;
 479         u32 freq;
 480         u32 dur;
 481         struct ieee80211_channel *chan;
 482         struct ath6kl *ar = wmi->parent_dev;
 483         u32 id;
 484
 485         if (len < sizeof(*ev))
 486                 return -EINVAL;
 487
 488         ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
 489         freq = le32_to_cpu(ev->freq);
 490         dur = le32_to_cpu(ev->duration);
 491         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl: freq=%u dur=%u "
 492                    "status=%u\n", freq, dur, ev->status);
 493         chan = ieee80211_get_channel(ar->wiphy, freq);
 494         if (!chan) {
 495                 ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl: Unknown "
 496                            "channel (freq=%u)\n", freq);
 497                 return -EINVAL;
 498         }
 499         if (vif->last_cancel_roc_id &&
 500             vif->last_cancel_roc_id + 1 == vif->last_roc_id)
 501                 id = vif->last_cancel_roc_id; /* event for cancel command */
 502         else
 503                 id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
 504         vif->last_cancel_roc_id = 0;
 505         cfg80211_remain_on_channel_expired(vif->ndev, id, chan,
 506                                            NL80211_CHAN_NO_HT, GFP_ATOMIC);
 507
 508         return 0;
 509 }
 510
 511 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
 512                                          struct ath6kl_vif *vif)
 513 {
 514         struct wmi_tx_status_event *ev;
 515         u32 id;
 516
 517         if (len < sizeof(*ev))
 518                 return -EINVAL;
 519
 520         ev = (struct wmi_tx_status_event *) datap;
 521         id = le32_to_cpu(ev->id);
 522         ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
 523                    id, ev->ack_status);
 524         if (wmi->last_mgmt_tx_frame) {
 525                 cfg80211_mgmt_tx_status(vif->ndev, id,
 526                                         wmi->last_mgmt_tx_frame,
 527                                         wmi->last_mgmt_tx_frame_len,
 528                                         !!ev->ack_status, GFP_ATOMIC);
 529                 kfree(wmi->last_mgmt_tx_frame);
 530                 wmi->last_mgmt_tx_frame = NULL;
 531                 wmi->last_mgmt_tx_frame_len = 0;
 532         }
 533
 534         return 0;
 535 }
 536
 537 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
 538                                             struct ath6kl_vif *vif)
 539 {
 540         struct wmi_p2p_rx_probe_req_event *ev;
 541         u32 freq;
 542         u16 dlen;
 543
 544         if (len < sizeof(*ev))
 545                 return -EINVAL;
 546
 547         ev = (struct wmi_p2p_rx_probe_req_event *) datap;
 548         freq = le32_to_cpu(ev->freq);
 549         dlen = le16_to_cpu(ev->len);
 550         if (datap + len < ev->data + dlen) {
 551                 ath6kl_err("invalid wmi_p2p_rx_probe_req_event: "
 552                            "len=%d dlen=%u\n", len, dlen);
 553                 return -EINVAL;
 554         }
 555         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_probe_req: len=%u freq=%u "
 556                    "probe_req_report=%d\n",
 557                    dlen, freq, vif->probe_req_report);
 558
 559         if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
 560                 cfg80211_rx_mgmt(vif->ndev, freq, ev->data, dlen, GFP_ATOMIC);
 561
 562         return 0;
 563 }
 564
 565 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
 566 {
 567         struct wmi_p2p_capabilities_event *ev;
 568         u16 dlen;
 569
 570         if (len < sizeof(*ev))
 571                 return -EINVAL;
 572
 573         ev = (struct wmi_p2p_capabilities_event *) datap;
 574         dlen = le16_to_cpu(ev->len);
 575         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
 576
 577         return 0;
 578 }
 579
 580 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 581                                          struct ath6kl_vif *vif)
 582 {
 583         struct wmi_rx_action_event *ev;
 584         u32 freq;
 585         u16 dlen;
 586
 587         if (len < sizeof(*ev))
 588                 return -EINVAL;
 589
 590         ev = (struct wmi_rx_action_event *) datap;
 591         freq = le32_to_cpu(ev->freq);
 592         dlen = le16_to_cpu(ev->len);
 593         if (datap + len < ev->data + dlen) {
 594                 ath6kl_err("invalid wmi_rx_action_event: "
 595                            "len=%d dlen=%u\n", len, dlen);
 596                 return -EINVAL;
 597         }
 598         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
 599         cfg80211_rx_mgmt(vif->ndev, freq, ev->data, dlen, GFP_ATOMIC);
 600
 601         return 0;
 602 }
 603
 604 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
 605 {
 606         struct wmi_p2p_info_event *ev;
 607         u32 flags;
 608         u16 dlen;
 609
 610         if (len < sizeof(*ev))
 611                 return -EINVAL;
 612
 613         ev = (struct wmi_p2p_info_event *) datap;
 614         flags = le32_to_cpu(ev->info_req_flags);
 615         dlen = le16_to_cpu(ev->len);
 616         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
 617
 618         if (flags & P2P_FLAG_CAPABILITIES_REQ) {
 619                 struct wmi_p2p_capabilities *cap;
 620                 if (dlen < sizeof(*cap))
 621                         return -EINVAL;
 622                 cap = (struct wmi_p2p_capabilities *) ev->data;
 623                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
 624                            cap->go_power_save);
 625         }
 626
 627         if (flags & P2P_FLAG_MACADDR_REQ) {
 628                 struct wmi_p2p_macaddr *mac;
 629                 if (dlen < sizeof(*mac))
 630                         return -EINVAL;
 631                 mac = (struct wmi_p2p_macaddr *) ev->data;
 632                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
 633                            mac->mac_addr);
 634         }
 635
 636         if (flags & P2P_FLAG_HMODEL_REQ) {
 637                 struct wmi_p2p_hmodel *mod;
 638                 if (dlen < sizeof(*mod))
 639                         return -EINVAL;
 640                 mod = (struct wmi_p2p_hmodel *) ev->data;
 641                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
 642                            mod->p2p_model,
 643                            mod->p2p_model ? "host" : "firmware");
 644         }
 645         return 0;
 646 }
 647
 648 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
 649 {
 650         struct sk_buff *skb;
 651
 652         skb = ath6kl_buf_alloc(size);
 653         if (!skb)
 654                 return NULL;
 655
 656         skb_put(skb, size);
 657         if (size)
 658                 memset(skb->data, 0, size);
 659
 660         return skb;
 661 }
 662
 663 /* Send a "simple" wmi command -- one with no arguments */
 664 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
 665                                  enum wmi_cmd_id cmd_id)
 666 {
 667         struct sk_buff *skb;
 668         int ret;
 669
 670         skb = ath6kl_wmi_get_new_buf(0);
 671         if (!skb)
 672                 return -ENOMEM;
 673
 674         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
 675
 676         return ret;
 677 }
 678
 679 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
 680 {
 681         struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
 682
 683         if (len < sizeof(struct wmi_ready_event_2))
 684                 return -EINVAL;
 685
 686         ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
 687                            le32_to_cpu(ev->sw_version),
 688                            le32_to_cpu(ev->abi_version));
 689
 690         return 0;
 691 }
 692
 693 /*
 694  * Mechanism to modify the roaming behavior in the firmware. The lower rssi
 695  * at which the station has to roam can be passed with
 696  * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
 697  * in dBm.
 698  */
 699 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
 700 {
 701         struct sk_buff *skb;
 702         struct roam_ctrl_cmd *cmd;
 703
 704         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 705         if (!skb)
 706                 return -ENOMEM;
 707
 708         cmd = (struct roam_ctrl_cmd *) skb->data;
 709
 710         cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
 711         cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
 712                                                        DEF_SCAN_FOR_ROAM_INTVL);
 713         cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
 714         cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
 715         cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
 716
 717         ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 718                             NO_SYNC_WMIFLAG);
 719
 720         return 0;
 721 }
 722
 723 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
 724 {
 725         struct sk_buff *skb;
 726         struct roam_ctrl_cmd *cmd;
 727
 728         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 729         if (!skb)
 730                 return -ENOMEM;
 731
 732         cmd = (struct roam_ctrl_cmd *) skb->data;
 733         memset(cmd, 0, sizeof(*cmd));
 734
 735         memcpy(cmd->info.bssid, bssid, ETH_ALEN);
 736         cmd->roam_ctrl = WMI_FORCE_ROAM;
 737
 738         ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
 739         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 740                                    NO_SYNC_WMIFLAG);
 741 }
 742
 743 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 744 {
 745         struct sk_buff *skb;
 746         struct roam_ctrl_cmd *cmd;
 747
 748         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 749         if (!skb)
 750                 return -ENOMEM;
 751
 752         cmd = (struct roam_ctrl_cmd *) skb->data;
 753         memset(cmd, 0, sizeof(*cmd));
 754
 755         cmd->info.roam_mode = mode;
 756         cmd->roam_ctrl = WMI_SET_ROAM_MODE;
 757
 758         ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
 759         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 760                                    NO_SYNC_WMIFLAG);
 761 }
 762
 763 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
 764                                        struct ath6kl_vif *vif)
 765 {
 766         struct wmi_connect_event *ev;
 767         u8 *pie, *peie;
 768
 769         if (len < sizeof(struct wmi_connect_event))
 770                 return -EINVAL;
 771
 772         ev = (struct wmi_connect_event *) datap;
 773
 774         if (vif->nw_type == AP_NETWORK) {
 775                 /* AP mode start/STA connected event */
 776                 struct net_device *dev = vif->ndev;
 777                 if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
 778                         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: freq %d bssid %pM "
 779                                    "(AP started)\n",
 780                                    __func__, le16_to_cpu(ev->u.ap_bss.ch),
 781                                    ev->u.ap_bss.bssid);
 782                         ath6kl_connect_ap_mode_bss(
 783                                 vif, le16_to_cpu(ev->u.ap_bss.ch));
 784                 } else {
 785                         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: aid %u mac_addr %pM "
 786                                    "auth=%u keymgmt=%u cipher=%u apsd_info=%u "
 787                                    "(STA connected)\n",
 788                                    __func__, ev->u.ap_sta.aid,
 789                                    ev->u.ap_sta.mac_addr,
 790                                    ev->u.ap_sta.auth,
 791                                    ev->u.ap_sta.keymgmt,
 792                                    le16_to_cpu(ev->u.ap_sta.cipher),
 793                                    ev->u.ap_sta.apsd_info);
 794
 795                         ath6kl_connect_ap_mode_sta(
 796                                 vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
 797                                 ev->u.ap_sta.keymgmt,
 798                                 le16_to_cpu(ev->u.ap_sta.cipher),
 799                                 ev->u.ap_sta.auth, ev->assoc_req_len,
 800                                 ev->assoc_info + ev->beacon_ie_len,
 801                                 ev->u.ap_sta.apsd_info);
 802                 }
 803                 return 0;
 804         }
 805
 806         /* STA/IBSS mode connection event */
 807
 808         ath6kl_dbg(ATH6KL_DBG_WMI,
 809                    "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
 810                    le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
 811                    le16_to_cpu(ev->u.sta.listen_intvl),
 812                    le16_to_cpu(ev->u.sta.beacon_intvl),
 813                    le32_to_cpu(ev->u.sta.nw_type));
 814
 815         /* Start of assoc rsp IEs */
 816         pie = ev->assoc_info + ev->beacon_ie_len +
 817               ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
 818
 819         /* End of assoc rsp IEs */
 820         peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
 821             ev->assoc_resp_len;
 822
 823         while (pie < peie) {
 824                 switch (*pie) {
 825                 case WLAN_EID_VENDOR_SPECIFIC:
 826                         if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
 827                             pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
 828                                 /* WMM OUT (00:50:F2) */
 829                                 if (pie[1] > 5
 830                                     && pie[6] == WMM_PARAM_OUI_SUBTYPE)
 831                                         wmi->is_wmm_enabled = true;
 832                         }
 833                         break;
 834                 }
 835
 836                 if (wmi->is_wmm_enabled)
 837                         break;
 838
 839                 pie += pie[1] + 2;
 840         }
 841
 842         ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
 843                              ev->u.sta.bssid,
 844                              le16_to_cpu(ev->u.sta.listen_intvl),
 845                              le16_to_cpu(ev->u.sta.beacon_intvl),
 846                              le32_to_cpu(ev->u.sta.nw_type),
 847                              ev->beacon_ie_len, ev->assoc_req_len,
 848                              ev->assoc_resp_len, ev->assoc_info);
 849
 850         return 0;
 851 }
 852
 853 static struct country_code_to_enum_rd *
 854 ath6kl_regd_find_country(u16 countryCode)
 855 {
 856         int i;
 857
 858         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 859                 if (allCountries[i].countryCode == countryCode)
 860                         return &allCountries[i];
 861         }
 862
 863         return NULL;
 864 }
 865
 866 static struct reg_dmn_pair_mapping *
 867 ath6kl_get_regpair(u16 regdmn)
 868 {
 869         int i;
 870
 871         if (regdmn == NO_ENUMRD)
 872                 return NULL;
 873
 874         for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
 875                 if (regDomainPairs[i].regDmnEnum == regdmn)
 876                         return &regDomainPairs[i];
 877         }
 878
 879         return NULL;
 880 }
 881
 882 static struct country_code_to_enum_rd *
 883 ath6kl_regd_find_country_by_rd(u16 regdmn)
 884 {
 885         int i;
 886
 887         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 888                 if (allCountries[i].regDmnEnum == regdmn)
 889                         return &allCountries[i];
 890         }
 891
 892         return NULL;
 893 }
 894
 895 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 896 {
 897
 898         struct ath6kl_wmi_regdomain *ev;
 899         struct country_code_to_enum_rd *country = NULL;
 900         struct reg_dmn_pair_mapping *regpair = NULL;
 901         char alpha2[2];
 902         u32 reg_code;
 903
 904         ev = (struct ath6kl_wmi_regdomain *) datap;
 905         reg_code = le32_to_cpu(ev->reg_code);
 906
 907         if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG)
 908                 country = ath6kl_regd_find_country((u16) reg_code);
 909         else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
 910
 911                 regpair = ath6kl_get_regpair((u16) reg_code);
 912                 country = ath6kl_regd_find_country_by_rd((u16) reg_code);
 913                 ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
 914                                 regpair->regDmnEnum);
 915         }
 916
 917         if (country) {
 918                 alpha2[0] = country->isoName[0];
 919                 alpha2[1] = country->isoName[1];
 920
 921                 regulatory_hint(wmi->parent_dev->wiphy, alpha2);
 922
 923                 ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
 924                                 alpha2[0], alpha2[1]);
 925         }
 926 }
 927
 928 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
 929                                           struct ath6kl_vif *vif)
 930 {
 931         struct wmi_disconnect_event *ev;
 932         wmi->traffic_class = 100;
 933
 934         if (len < sizeof(struct wmi_disconnect_event))
 935                 return -EINVAL;
 936
 937         ev = (struct wmi_disconnect_event *) datap;
 938
 939         ath6kl_dbg(ATH6KL_DBG_WMI,
 940                    "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
 941                    le16_to_cpu(ev->proto_reason_status), ev->bssid,
 942                    ev->disconn_reason, ev->assoc_resp_len);
 943
 944         wmi->is_wmm_enabled = false;
 945
 946         ath6kl_disconnect_event(vif, ev->disconn_reason,
 947                                 ev->bssid, ev->assoc_resp_len, ev->assoc_info,
 948                                 le16_to_cpu(ev->proto_reason_status));
 949
 950         return 0;
 951 }
 952
 953 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
 954 {
 955         struct wmi_peer_node_event *ev;
 956
 957         if (len < sizeof(struct wmi_peer_node_event))
 958                 return -EINVAL;
 959
 960         ev = (struct wmi_peer_node_event *) datap;
 961
 962         if (ev->event_code == PEER_NODE_JOIN_EVENT)
 963                 ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
 964                            ev->peer_mac_addr);
 965         else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
 966                 ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
 967                            ev->peer_mac_addr);
 968
 969         return 0;
 970 }
 971
 972 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
 973                                            struct ath6kl_vif *vif)
 974 {
 975         struct wmi_tkip_micerr_event *ev;
 976
 977         if (len < sizeof(struct wmi_tkip_micerr_event))
 978                 return -EINVAL;
 979
 980         ev = (struct wmi_tkip_micerr_event *) datap;
 981
 982         ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
 983
 984         return 0;
 985 }
 986
 987 void ath6kl_wmi_sscan_timer(unsigned long ptr)
 988 {
 989         struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
 990
 991         cfg80211_sched_scan_results(vif->ar->wiphy);
 992 }
 993
 994 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
 995                                        struct ath6kl_vif *vif)
 996 {
 997         struct wmi_bss_info_hdr2 *bih;
 998         u8 *buf;
 999         struct ieee80211_channel *channel;
1000         struct ath6kl *ar = wmi->parent_dev;
1001         struct ieee80211_mgmt *mgmt;
1002         struct cfg80211_bss *bss;
1003
1004         if (len <= sizeof(struct wmi_bss_info_hdr2))
1005                 return -EINVAL;
1006
1007         bih = (struct wmi_bss_info_hdr2 *) datap;
1008         buf = datap + sizeof(struct wmi_bss_info_hdr2);
1009         len -= sizeof(struct wmi_bss_info_hdr2);
1010
1011         ath6kl_dbg(ATH6KL_DBG_WMI,
1012                    "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1013                    "frame_type=%d\n",
1014                    bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1015                    bih->frame_type);
1016
1017         if (bih->frame_type != BEACON_FTYPE &&
1018             bih->frame_type != PROBERESP_FTYPE)
1019                 return 0; /* Only update BSS table for now */
1020
1021         if (bih->frame_type == BEACON_FTYPE &&
1022             test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1023                 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1024                 ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1025                                          NONE_BSS_FILTER, 0);
1026         }
1027
1028         channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1029         if (channel == NULL)
1030                 return -EINVAL;
1031
1032         if (len < 8 + 2 + 2)
1033                 return -EINVAL;
1034
1035         if (bih->frame_type == BEACON_FTYPE && test_bit(CONNECTED, &vif->flags)
1036             && memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1037                 const u8 *tim;
1038                 tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1039                                        len - 8 - 2 - 2);
1040                 if (tim && tim[1] >= 2) {
1041                         vif->assoc_bss_dtim_period = tim[3];
1042                         set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1043                 }
1044         }
1045
1046         /*
1047          * In theory, use of cfg80211_inform_bss() would be more natural here
1048          * since we do not have the full frame. However, at least for now,
1049          * cfg80211 can only distinguish Beacon and Probe Response frames from
1050          * each other when using cfg80211_inform_bss_frame(), so let's build a
1051          * fake IEEE 802.11 header to be able to take benefit of this.
1052          */
1053         mgmt = kmalloc(24 + len, GFP_ATOMIC);
1054         if (mgmt == NULL)
1055                 return -EINVAL;
1056
1057         if (bih->frame_type == BEACON_FTYPE) {
1058                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1059                                                   IEEE80211_STYPE_BEACON);
1060                 memset(mgmt->da, 0xff, ETH_ALEN);
1061         } else {
1062                 struct net_device *dev = vif->ndev;
1063
1064                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1065                                                   IEEE80211_STYPE_PROBE_RESP);
1066                 memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
1067         }
1068         mgmt->duration = cpu_to_le16(0);
1069         memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
1070         memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
1071         mgmt->seq_ctrl = cpu_to_le16(0);
1072
1073         memcpy(&mgmt->u.beacon, buf, len);
1074
1075         bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
1076                                         24 + len, (bih->snr - 95) * 100,
1077                                         GFP_ATOMIC);
1078         kfree(mgmt);
1079         if (bss == NULL)
1080                 return -ENOMEM;
1081         cfg80211_put_bss(bss);
1082
1083         /*
1084          * Firmware doesn't return any event when scheduled scan has
1085          * finished, so we need to use a timer to find out when there are
1086          * no more results.
1087          *
1088          * The timer is started from the first bss info received, otherwise
1089          * the timer would not ever fire if the scan interval is short
1090          * enough.
1091          */
1092         if (ar->state == ATH6KL_STATE_SCHED_SCAN &&
1093             !timer_pending(&vif->sched_scan_timer)) {
1094                 mod_timer(&vif->sched_scan_timer, jiffies +
1095                           msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1096         }
1097
1098         return 0;
1099 }
1100
1101 /* Inactivity timeout of a fatpipe(pstream) at the target */
1102 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1103                                                int len)
1104 {
1105         struct wmi_pstream_timeout_event *ev;
1106
1107         if (len < sizeof(struct wmi_pstream_timeout_event))
1108                 return -EINVAL;
1109
1110         ev = (struct wmi_pstream_timeout_event *) datap;
1111
1112         /*
1113          * When the pstream (fat pipe == AC) timesout, it means there were
1114          * no thinStreams within this pstream & it got implicitly created
1115          * due to data flow on this AC. We start the inactivity timer only
1116          * for implicitly created pstream. Just reset the host state.
1117          */
1118         spin_lock_bh(&wmi->lock);
1119         wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1120         wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1121         spin_unlock_bh(&wmi->lock);
1122
1123         /* Indicate inactivity to driver layer for this fatpipe (pstream) */
1124         ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1125
1126         return 0;
1127 }
1128
1129 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1130 {
1131         struct wmi_bit_rate_reply *reply;
1132         s32 rate;
1133         u32 sgi, index;
1134
1135         if (len < sizeof(struct wmi_bit_rate_reply))
1136                 return -EINVAL;
1137
1138         reply = (struct wmi_bit_rate_reply *) datap;
1139
1140         ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1141
1142         if (reply->rate_index == (s8) RATE_AUTO) {
1143                 rate = RATE_AUTO;
1144         } else {
1145                 index = reply->rate_index & 0x7f;
1146                 sgi = (reply->rate_index & 0x80) ? 1 : 0;
1147                 rate = wmi_rate_tbl[index][sgi];
1148         }
1149
1150         ath6kl_wakeup_event(wmi->parent_dev);
1151
1152         return 0;
1153 }
1154
1155 static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1156 {
1157         ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1158
1159         return 0;
1160 }
1161
1162 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1163 {
1164         if (len < sizeof(struct wmi_fix_rates_reply))
1165                 return -EINVAL;
1166
1167         ath6kl_wakeup_event(wmi->parent_dev);
1168
1169         return 0;
1170 }
1171
1172 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1173 {
1174         if (len < sizeof(struct wmi_channel_list_reply))
1175                 return -EINVAL;
1176
1177         ath6kl_wakeup_event(wmi->parent_dev);
1178
1179         return 0;
1180 }
1181
1182 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1183 {
1184         struct wmi_tx_pwr_reply *reply;
1185
1186         if (len < sizeof(struct wmi_tx_pwr_reply))
1187                 return -EINVAL;
1188
1189         reply = (struct wmi_tx_pwr_reply *) datap;
1190         ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1191
1192         return 0;
1193 }
1194
1195 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1196 {
1197         if (len < sizeof(struct wmi_get_keepalive_cmd))
1198                 return -EINVAL;
1199
1200         ath6kl_wakeup_event(wmi->parent_dev);
1201
1202         return 0;
1203 }
1204
1205 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1206                                        struct ath6kl_vif *vif)
1207 {
1208         struct wmi_scan_complete_event *ev;
1209
1210         ev = (struct wmi_scan_complete_event *) datap;
1211
1212         ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1213         wmi->is_probe_ssid = false;
1214
1215         return 0;
1216 }
1217
1218 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1219                                                int len, struct ath6kl_vif *vif)
1220 {
1221         struct wmi_neighbor_report_event *ev;
1222         u8 i;
1223
1224         if (len < sizeof(*ev))
1225                 return -EINVAL;
1226         ev = (struct wmi_neighbor_report_event *) datap;
1227         if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1228             > len) {
1229                 ath6kl_dbg(ATH6KL_DBG_WMI, "truncated neighbor event "
1230                            "(num=%d len=%d)\n", ev->num_neighbors, len);
1231                 return -EINVAL;
1232         }
1233         for (i = 0; i < ev->num_neighbors; i++) {
1234                 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1235                            i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1236                            ev->neighbor[i].bss_flags);
1237                 cfg80211_pmksa_candidate_notify(vif->ndev, i,
1238                                                 ev->neighbor[i].bssid,
1239                                                 !!(ev->neighbor[i].bss_flags &
1240                                                    WMI_PREAUTH_CAPABLE_BSS),
1241                                                 GFP_ATOMIC);
1242         }
1243
1244         return 0;
1245 }
1246
1247 /*
1248  * Target is reporting a programming error.  This is for
1249  * developer aid only.  Target only checks a few common violations
1250  * and it is responsibility of host to do all error checking.
1251  * Behavior of target after wmi error event is undefined.
1252  * A reset is recommended.
1253  */
1254 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1255 {
1256         const char *type = "unknown error";
1257         struct wmi_cmd_error_event *ev;
1258         ev = (struct wmi_cmd_error_event *) datap;
1259
1260         switch (ev->err_code) {
1261         case INVALID_PARAM:
1262                 type = "invalid parameter";
1263                 break;
1264         case ILLEGAL_STATE:
1265                 type = "invalid state";
1266                 break;
1267         case INTERNAL_ERROR:
1268                 type = "internal error";
1269                 break;
1270         }
1271
1272         ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1273                    ev->cmd_id, type);
1274
1275         return 0;
1276 }
1277
1278 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1279                                      struct ath6kl_vif *vif)
1280 {
1281         ath6kl_tgt_stats_event(vif, datap, len);
1282
1283         return 0;
1284 }
1285
1286 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1287                                          struct sq_threshold_params *sq_thresh,
1288                                          u32 size)
1289 {
1290         u32 index;
1291         u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1292
1293         /* The list is already in sorted order. Get the next lower value */
1294         for (index = 0; index < size; index++) {
1295                 if (rssi < sq_thresh->upper_threshold[index]) {
1296                         threshold = (u8) sq_thresh->upper_threshold[index];
1297                         break;
1298                 }
1299         }
1300
1301         return threshold;
1302 }
1303
1304 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1305                                          struct sq_threshold_params *sq_thresh,
1306                                          u32 size)
1307 {
1308         u32 index;
1309         u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1310
1311         /* The list is already in sorted order. Get the next lower value */
1312         for (index = 0; index < size; index++) {
1313                 if (rssi > sq_thresh->lower_threshold[index]) {
1314                         threshold = (u8) sq_thresh->lower_threshold[index];
1315                         break;
1316                 }
1317         }
1318
1319         return threshold;
1320 }
1321
1322 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1323                         struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1324 {
1325         struct sk_buff *skb;
1326         struct wmi_rssi_threshold_params_cmd *cmd;
1327
1328         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1329         if (!skb)
1330                 return -ENOMEM;
1331
1332         cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1333         memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1334
1335         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1336                                    NO_SYNC_WMIFLAG);
1337 }
1338
1339 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1340                                               int len)
1341 {
1342         struct wmi_rssi_threshold_event *reply;
1343         struct wmi_rssi_threshold_params_cmd cmd;
1344         struct sq_threshold_params *sq_thresh;
1345         enum wmi_rssi_threshold_val new_threshold;
1346         u8 upper_rssi_threshold, lower_rssi_threshold;
1347         s16 rssi;
1348         int ret;
1349
1350         if (len < sizeof(struct wmi_rssi_threshold_event))
1351                 return -EINVAL;
1352
1353         reply = (struct wmi_rssi_threshold_event *) datap;
1354         new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1355         rssi = a_sle16_to_cpu(reply->rssi);
1356
1357         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1358
1359         /*
1360          * Identify the threshold breached and communicate that to the app.
1361          * After that install a new set of thresholds based on the signal
1362          * quality reported by the target
1363          */
1364         if (new_threshold) {
1365                 /* Upper threshold breached */
1366                 if (rssi < sq_thresh->upper_threshold[0]) {
1367                         ath6kl_dbg(ATH6KL_DBG_WMI,
1368                                 "spurious upper rssi threshold event: %d\n",
1369                                 rssi);
1370                 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1371                            (rssi >= sq_thresh->upper_threshold[0])) {
1372                         new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1373                 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1374                            (rssi >= sq_thresh->upper_threshold[1])) {
1375                         new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1376                 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1377                            (rssi >= sq_thresh->upper_threshold[2])) {
1378                         new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1379                 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1380                            (rssi >= sq_thresh->upper_threshold[3])) {
1381                         new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1382                 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1383                            (rssi >= sq_thresh->upper_threshold[4])) {
1384                         new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1385                 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1386                         new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1387                 }
1388         } else {
1389                 /* Lower threshold breached */
1390                 if (rssi > sq_thresh->lower_threshold[0]) {
1391                         ath6kl_dbg(ATH6KL_DBG_WMI,
1392                                 "spurious lower rssi threshold event: %d %d\n",
1393                                 rssi, sq_thresh->lower_threshold[0]);
1394                 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1395                            (rssi <= sq_thresh->lower_threshold[0])) {
1396                         new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1397                 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1398                            (rssi <= sq_thresh->lower_threshold[1])) {
1399                         new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1400                 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1401                            (rssi <= sq_thresh->lower_threshold[2])) {
1402                         new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1403                 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1404                            (rssi <= sq_thresh->lower_threshold[3])) {
1405                         new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1406                 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1407                            (rssi <= sq_thresh->lower_threshold[4])) {
1408                         new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1409                 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1410                         new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1411                 }
1412         }
1413
1414         /* Calculate and install the next set of thresholds */
1415         lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1416                                        sq_thresh->lower_threshold_valid_count);
1417         upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1418                                        sq_thresh->upper_threshold_valid_count);
1419
1420         /* Issue a wmi command to install the thresholds */
1421         cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1422         cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1423         cmd.weight = sq_thresh->weight;
1424         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1425
1426         ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1427         if (ret) {
1428                 ath6kl_err("unable to configure rssi thresholds\n");
1429                 return -EIO;
1430         }
1431
1432         return 0;
1433 }
1434
1435 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1436                                    struct ath6kl_vif *vif)
1437 {
1438         struct wmi_cac_event *reply;
1439         struct ieee80211_tspec_ie *ts;
1440         u16 active_tsids, tsinfo;
1441         u8 tsid, index;
1442         u8 ts_id;
1443
1444         if (len < sizeof(struct wmi_cac_event))
1445                 return -EINVAL;
1446
1447         reply = (struct wmi_cac_event *) datap;
1448
1449         if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1450             (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1451
1452                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1453                 tsinfo = le16_to_cpu(ts->tsinfo);
1454                 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1455                         IEEE80211_WMM_IE_TSPEC_TID_MASK;
1456
1457                 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1458                                               reply->ac, tsid);
1459         } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1460                 /*
1461                  * Following assumes that there is only one outstanding
1462                  * ADDTS request when this event is received
1463                  */
1464                 spin_lock_bh(&wmi->lock);
1465                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1466                 spin_unlock_bh(&wmi->lock);
1467
1468                 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1469                         if ((active_tsids >> index) & 1)
1470                                 break;
1471                 }
1472                 if (index < (sizeof(active_tsids) * 8))
1473                         ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1474                                                       reply->ac, index);
1475         }
1476
1477         /*
1478          * Clear active tsids and Add missing handling
1479          * for delete qos stream from AP
1480          */
1481         else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1482
1483                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1484                 tsinfo = le16_to_cpu(ts->tsinfo);
1485                 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1486                          IEEE80211_WMM_IE_TSPEC_TID_MASK);
1487
1488                 spin_lock_bh(&wmi->lock);
1489                 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1490                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1491                 spin_unlock_bh(&wmi->lock);
1492
1493                 /* Indicate stream inactivity to driver layer only if all tsids
1494                  * within this AC are deleted.
1495                  */
1496                 if (!active_tsids) {
1497                         ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1498                                                     false);
1499                         wmi->fat_pipe_exist &= ~(1 << reply->ac);
1500                 }
1501         }
1502
1503         return 0;
1504 }
1505
1506 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1507                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1508 {
1509         struct sk_buff *skb;
1510         struct wmi_snr_threshold_params_cmd *cmd;
1511
1512         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1513         if (!skb)
1514                 return -ENOMEM;
1515
1516         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1517         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1518
1519         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1520                                    NO_SYNC_WMIFLAG);
1521 }
1522
1523 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1524                                              int len)
1525 {
1526         struct wmi_snr_threshold_event *reply;
1527         struct sq_threshold_params *sq_thresh;
1528         struct wmi_snr_threshold_params_cmd cmd;
1529         enum wmi_snr_threshold_val new_threshold;
1530         u8 upper_snr_threshold, lower_snr_threshold;
1531         s16 snr;
1532         int ret;
1533
1534         if (len < sizeof(struct wmi_snr_threshold_event))
1535                 return -EINVAL;
1536
1537         reply = (struct wmi_snr_threshold_event *) datap;
1538
1539         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1540         snr = reply->snr;
1541
1542         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1543
1544         /*
1545          * Identify the threshold breached and communicate that to the app.
1546          * After that install a new set of thresholds based on the signal
1547          * quality reported by the target.
1548          */
1549         if (new_threshold) {
1550                 /* Upper threshold breached */
1551                 if (snr < sq_thresh->upper_threshold[0]) {
1552                         ath6kl_dbg(ATH6KL_DBG_WMI,
1553                                 "spurious upper snr threshold event: %d\n",
1554                                 snr);
1555                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1556                            (snr >= sq_thresh->upper_threshold[0])) {
1557                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1558                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1559                            (snr >= sq_thresh->upper_threshold[1])) {
1560                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1561                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1562                            (snr >= sq_thresh->upper_threshold[2])) {
1563                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1564                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1565                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1566                 }
1567         } else {
1568                 /* Lower threshold breached */
1569                 if (snr > sq_thresh->lower_threshold[0]) {
1570                         ath6kl_dbg(ATH6KL_DBG_WMI,
1571                                 "spurious lower snr threshold event: %d\n",
1572                                 sq_thresh->lower_threshold[0]);
1573                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1574                            (snr <= sq_thresh->lower_threshold[0])) {
1575                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1576                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1577                            (snr <= sq_thresh->lower_threshold[1])) {
1578                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1579                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1580                            (snr <= sq_thresh->lower_threshold[2])) {
1581                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1582                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1583                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1584                 }
1585         }
1586
1587         /* Calculate and install the next set of thresholds */
1588         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1589                                        sq_thresh->lower_threshold_valid_count);
1590         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1591                                        sq_thresh->upper_threshold_valid_count);
1592
1593         /* Issue a wmi command to install the thresholds */
1594         cmd.thresh_above1_val = upper_snr_threshold;
1595         cmd.thresh_below1_val = lower_snr_threshold;
1596         cmd.weight = sq_thresh->weight;
1597         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1598
1599         ath6kl_dbg(ATH6KL_DBG_WMI,
1600                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1601                    snr, new_threshold,
1602                    lower_snr_threshold, upper_snr_threshold);
1603
1604         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1605         if (ret) {
1606                 ath6kl_err("unable to configure snr threshold\n");
1607                 return -EIO;
1608         }
1609
1610         return 0;
1611 }
1612
1613 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1614 {
1615         u16 ap_info_entry_size;
1616         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1617         struct wmi_ap_info_v1 *ap_info_v1;
1618         u8 index;
1619
1620         if (len < sizeof(struct wmi_aplist_event) ||
1621             ev->ap_list_ver != APLIST_VER1)
1622                 return -EINVAL;
1623
1624         ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1625         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1626
1627         ath6kl_dbg(ATH6KL_DBG_WMI,
1628                    "number of APs in aplist event: %d\n", ev->num_ap);
1629
1630         if (len < (int) (sizeof(struct wmi_aplist_event) +
1631                          (ev->num_ap - 1) * ap_info_entry_size))
1632                 return -EINVAL;
1633
1634         /* AP list version 1 contents */
1635         for (index = 0; index < ev->num_ap; index++) {
1636                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1637                            index, ap_info_v1->bssid, ap_info_v1->channel);
1638                 ap_info_v1++;
1639         }
1640
1641         return 0;
1642 }
1643
1644 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1645                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1646 {
1647         struct wmi_cmd_hdr *cmd_hdr;
1648         enum htc_endpoint_id ep_id = wmi->ep_id;
1649         int ret;
1650         u16 info1;
1651
1652         if (WARN_ON(skb == NULL || (if_idx > (wmi->parent_dev->vif_max - 1))))
1653                 return -EINVAL;
1654
1655         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1656                    cmd_id, skb->len, sync_flag);
1657         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1658                         skb->data, skb->len);
1659
1660         if (sync_flag >= END_WMIFLAG) {
1661                 dev_kfree_skb(skb);
1662                 return -EINVAL;
1663         }
1664
1665         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1666             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1667                 /*
1668                  * Make sure all data currently queued is transmitted before
1669                  * the cmd execution.  Establish a new sync point.
1670                  */
1671                 ath6kl_wmi_sync_point(wmi, if_idx);
1672         }
1673
1674         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1675
1676         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1677         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1678         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1679         cmd_hdr->info1 = cpu_to_le16(info1);
1680
1681         /* Only for OPT_TX_CMD, use BE endpoint. */
1682         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1683                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1684                                               false, false, 0, NULL, if_idx);
1685                 if (ret) {
1686                         dev_kfree_skb(skb);
1687                         return ret;
1688                 }
1689                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1690         }
1691
1692         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1693
1694         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1695             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1696                 /*
1697                  * Make sure all new data queued waits for the command to
1698                  * execute. Establish a new sync point.
1699                  */
1700                 ath6kl_wmi_sync_point(wmi, if_idx);
1701         }
1702
1703         return 0;
1704 }
1705
1706 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1707                            enum network_type nw_type,
1708                            enum dot11_auth_mode dot11_auth_mode,
1709                            enum auth_mode auth_mode,
1710                            enum crypto_type pairwise_crypto,
1711                            u8 pairwise_crypto_len,
1712                            enum crypto_type group_crypto,
1713                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1714                            u8 *bssid, u16 channel, u32 ctrl_flags,
1715                            u8 nw_subtype)
1716 {
1717         struct sk_buff *skb;
1718         struct wmi_connect_cmd *cc;
1719         int ret;
1720
1721         ath6kl_dbg(ATH6KL_DBG_WMI,
1722                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1723                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1724                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1725                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1726         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1727
1728         wmi->traffic_class = 100;
1729
1730         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1731                 return -EINVAL;
1732
1733         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1734                 return -EINVAL;
1735
1736         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1737         if (!skb)
1738                 return -ENOMEM;
1739
1740         cc = (struct wmi_connect_cmd *) skb->data;
1741
1742         if (ssid_len)
1743                 memcpy(cc->ssid, ssid, ssid_len);
1744
1745         cc->ssid_len = ssid_len;
1746         cc->nw_type = nw_type;
1747         cc->dot11_auth_mode = dot11_auth_mode;
1748         cc->auth_mode = auth_mode;
1749         cc->prwise_crypto_type = pairwise_crypto;
1750         cc->prwise_crypto_len = pairwise_crypto_len;
1751         cc->grp_crypto_type = group_crypto;
1752         cc->grp_crypto_len = group_crypto_len;
1753         cc->ch = cpu_to_le16(channel);
1754         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1755         cc->nw_subtype = nw_subtype;
1756
1757         if (bssid != NULL)
1758                 memcpy(cc->bssid, bssid, ETH_ALEN);
1759
1760         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1761                                   NO_SYNC_WMIFLAG);
1762
1763         return ret;
1764 }
1765
1766 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1767                              u16 channel)
1768 {
1769         struct sk_buff *skb;
1770         struct wmi_reconnect_cmd *cc;
1771         int ret;
1772
1773         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1774                    bssid, channel);
1775
1776         wmi->traffic_class = 100;
1777
1778         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1779         if (!skb)
1780                 return -ENOMEM;
1781
1782         cc = (struct wmi_reconnect_cmd *) skb->data;
1783         cc->channel = cpu_to_le16(channel);
1784
1785         if (bssid != NULL)
1786                 memcpy(cc->bssid, bssid, ETH_ALEN);
1787
1788         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1789                                   NO_SYNC_WMIFLAG);
1790
1791         return ret;
1792 }
1793
1794 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1795 {
1796         int ret;
1797
1798         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1799
1800         wmi->traffic_class = 100;
1801
1802         /* Disconnect command does not need to do a SYNC before. */
1803         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1804
1805         return ret;
1806 }
1807
1808 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1809                              enum wmi_scan_type scan_type,
1810                              u32 force_fgscan, u32 is_legacy,
1811                              u32 home_dwell_time, u32 force_scan_interval,
1812                              s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
1813 {
1814         struct sk_buff *skb;
1815         struct wmi_begin_scan_cmd *sc;
1816         s8 size;
1817         int i, band, ret;
1818         struct ath6kl *ar = wmi->parent_dev;
1819         int num_rates;
1820
1821         size = sizeof(struct wmi_begin_scan_cmd);
1822
1823         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1824                 return -EINVAL;
1825
1826         if (num_chan > WMI_MAX_CHANNELS)
1827                 return -EINVAL;
1828
1829         if (num_chan)
1830                 size += sizeof(u16) * (num_chan - 1);
1831
1832         skb = ath6kl_wmi_get_new_buf(size);
1833         if (!skb)
1834                 return -ENOMEM;
1835
1836         sc = (struct wmi_begin_scan_cmd *) skb->data;
1837         sc->scan_type = scan_type;
1838         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1839         sc->is_legacy = cpu_to_le32(is_legacy);
1840         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1841         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1842         sc->no_cck = cpu_to_le32(no_cck);
1843         sc->num_ch = num_chan;
1844
1845         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
1846                 struct ieee80211_supported_band *sband =
1847                     ar->wiphy->bands[band];
1848                 u32 ratemask = rates[band];
1849                 u8 *supp_rates = sc->supp_rates[band].rates;
1850                 num_rates = 0;
1851
1852                 for (i = 0; i < sband->n_bitrates; i++) {
1853                         if ((BIT(i) & ratemask) == 0)
1854                                 continue; /* skip rate */
1855                         supp_rates[num_rates++] =
1856                             (u8) (sband->bitrates[i].bitrate / 5);
1857                 }
1858                 sc->supp_rates[band].nrates = num_rates;
1859         }
1860
1861         for (i = 0; i < num_chan; i++)
1862                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1863
1864         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
1865                                   NO_SYNC_WMIFLAG);
1866
1867         return ret;
1868 }
1869
1870 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1871  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1872  * mgmt operations using station interface.
1873  */
1874 int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1875                              enum wmi_scan_type scan_type,
1876                              u32 force_fgscan, u32 is_legacy,
1877                              u32 home_dwell_time, u32 force_scan_interval,
1878                              s8 num_chan, u16 *ch_list)
1879 {
1880         struct sk_buff *skb;
1881         struct wmi_start_scan_cmd *sc;
1882         s8 size;
1883         int i, ret;
1884
1885         size = sizeof(struct wmi_start_scan_cmd);
1886
1887         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1888                 return -EINVAL;
1889
1890         if (num_chan > WMI_MAX_CHANNELS)
1891                 return -EINVAL;
1892
1893         if (num_chan)
1894                 size += sizeof(u16) * (num_chan - 1);
1895
1896         skb = ath6kl_wmi_get_new_buf(size);
1897         if (!skb)
1898                 return -ENOMEM;
1899
1900         sc = (struct wmi_start_scan_cmd *) skb->data;
1901         sc->scan_type = scan_type;
1902         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1903         sc->is_legacy = cpu_to_le32(is_legacy);
1904         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1905         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1906         sc->num_ch = num_chan;
1907
1908         for (i = 0; i < num_chan; i++)
1909                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1910
1911         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1912                                   NO_SYNC_WMIFLAG);
1913
1914         return ret;
1915 }
1916
1917 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
1918                               u16 fg_start_sec,
1919                               u16 fg_end_sec, u16 bg_sec,
1920                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
1921                               u16 pas_chdw_msec, u8 short_scan_ratio,
1922                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
1923                               u16 maxact_scan_per_ssid)
1924 {
1925         struct sk_buff *skb;
1926         struct wmi_scan_params_cmd *sc;
1927         int ret;
1928
1929         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
1930         if (!skb)
1931                 return -ENOMEM;
1932
1933         sc = (struct wmi_scan_params_cmd *) skb->data;
1934         sc->fg_start_period = cpu_to_le16(fg_start_sec);
1935         sc->fg_end_period = cpu_to_le16(fg_end_sec);
1936         sc->bg_period = cpu_to_le16(bg_sec);
1937         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
1938         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
1939         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
1940         sc->short_scan_ratio = short_scan_ratio;
1941         sc->scan_ctrl_flags = scan_ctrl_flag;
1942         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
1943         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
1944
1945         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
1946                                   NO_SYNC_WMIFLAG);
1947         return ret;
1948 }
1949
1950 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
1951 {
1952         struct sk_buff *skb;
1953         struct wmi_bss_filter_cmd *cmd;
1954         int ret;
1955
1956         if (filter >= LAST_BSS_FILTER)
1957                 return -EINVAL;
1958
1959         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1960         if (!skb)
1961                 return -ENOMEM;
1962
1963         cmd = (struct wmi_bss_filter_cmd *) skb->data;
1964         cmd->bss_filter = filter;
1965         cmd->ie_mask = cpu_to_le32(ie_mask);
1966
1967         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
1968                                   NO_SYNC_WMIFLAG);
1969         return ret;
1970 }
1971
1972 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
1973                               u8 ssid_len, u8 *ssid)
1974 {
1975         struct sk_buff *skb;
1976         struct wmi_probed_ssid_cmd *cmd;
1977         int ret;
1978
1979         if (index > MAX_PROBED_SSID_INDEX)
1980                 return -EINVAL;
1981
1982         if (ssid_len > sizeof(cmd->ssid))
1983                 return -EINVAL;
1984
1985         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
1986                 return -EINVAL;
1987
1988         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
1989                 return -EINVAL;
1990
1991         if (flag & SPECIFIC_SSID_FLAG)
1992                 wmi->is_probe_ssid = true;
1993
1994         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1995         if (!skb)
1996                 return -ENOMEM;
1997
1998         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
1999         cmd->entry_index = index;
2000         cmd->flag = flag;
2001         cmd->ssid_len = ssid_len;
2002         memcpy(cmd->ssid, ssid, ssid_len);
2003
2004         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2005                                   NO_SYNC_WMIFLAG);
2006         return ret;
2007 }
2008
2009 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2010                                   u16 listen_interval,
2011                                   u16 listen_beacons)
2012 {
2013         struct sk_buff *skb;
2014         struct wmi_listen_int_cmd *cmd;
2015         int ret;
2016
2017         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2018         if (!skb)
2019                 return -ENOMEM;
2020
2021         cmd = (struct wmi_listen_int_cmd *) skb->data;
2022         cmd->listen_intvl = cpu_to_le16(listen_interval);
2023         cmd->num_beacons = cpu_to_le16(listen_beacons);
2024
2025         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2026                                   NO_SYNC_WMIFLAG);
2027         return ret;
2028 }
2029
2030 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2031 {
2032         struct sk_buff *skb;
2033         struct wmi_power_mode_cmd *cmd;
2034         int ret;
2035
2036         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2037         if (!skb)
2038                 return -ENOMEM;
2039
2040         cmd = (struct wmi_power_mode_cmd *) skb->data;
2041         cmd->pwr_mode = pwr_mode;
2042         wmi->pwr_mode = pwr_mode;
2043
2044         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2045                                   NO_SYNC_WMIFLAG);
2046         return ret;
2047 }
2048
2049 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2050                             u16 ps_poll_num, u16 dtim_policy,
2051                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2052                             u16 ps_fail_event_policy)
2053 {
2054         struct sk_buff *skb;
2055         struct wmi_power_params_cmd *pm;
2056         int ret;
2057
2058         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2059         if (!skb)
2060                 return -ENOMEM;
2061
2062         pm = (struct wmi_power_params_cmd *)skb->data;
2063         pm->idle_period = cpu_to_le16(idle_period);
2064         pm->pspoll_number = cpu_to_le16(ps_poll_num);
2065         pm->dtim_policy = cpu_to_le16(dtim_policy);
2066         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2067         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2068         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2069
2070         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2071                                   NO_SYNC_WMIFLAG);
2072         return ret;
2073 }
2074
2075 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2076 {
2077         struct sk_buff *skb;
2078         struct wmi_disc_timeout_cmd *cmd;
2079         int ret;
2080
2081         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2082         if (!skb)
2083                 return -ENOMEM;
2084
2085         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2086         cmd->discon_timeout = timeout;
2087
2088         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2089                                   NO_SYNC_WMIFLAG);
2090
2091         if (ret == 0)
2092                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2093
2094         return ret;
2095 }
2096
2097 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2098                           enum crypto_type key_type,
2099                           u8 key_usage, u8 key_len,
2100                           u8 *key_rsc, unsigned int key_rsc_len,
2101                           u8 *key_material,
2102                           u8 key_op_ctrl, u8 *mac_addr,
2103                           enum wmi_sync_flag sync_flag)
2104 {
2105         struct sk_buff *skb;
2106         struct wmi_add_cipher_key_cmd *cmd;
2107         int ret;
2108
2109         ath6kl_dbg(ATH6KL_DBG_WMI, "addkey cmd: key_index=%u key_type=%d "
2110                    "key_usage=%d key_len=%d key_op_ctrl=%d\n",
2111                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2112
2113         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2114             (key_material == NULL) || key_rsc_len > 8)
2115                 return -EINVAL;
2116
2117         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2118                 return -EINVAL;
2119
2120         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2121         if (!skb)
2122                 return -ENOMEM;
2123
2124         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2125         cmd->key_index = key_index;
2126         cmd->key_type = key_type;
2127         cmd->key_usage = key_usage;
2128         cmd->key_len = key_len;
2129         memcpy(cmd->key, key_material, key_len);
2130
2131         if (key_rsc != NULL)
2132                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2133
2134         cmd->key_op_ctrl = key_op_ctrl;
2135
2136         if (mac_addr)
2137                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2138
2139         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2140                                   sync_flag);
2141
2142         return ret;
2143 }
2144
2145 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk)
2146 {
2147         struct sk_buff *skb;
2148         struct wmi_add_krk_cmd *cmd;
2149         int ret;
2150
2151         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2152         if (!skb)
2153                 return -ENOMEM;
2154
2155         cmd = (struct wmi_add_krk_cmd *) skb->data;
2156         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2157
2158         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2159                                   NO_SYNC_WMIFLAG);
2160
2161         return ret;
2162 }
2163
2164 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2165 {
2166         struct sk_buff *skb;
2167         struct wmi_delete_cipher_key_cmd *cmd;
2168         int ret;
2169
2170         if (key_index > WMI_MAX_KEY_INDEX)
2171                 return -EINVAL;
2172
2173         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2174         if (!skb)
2175                 return -ENOMEM;
2176
2177         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2178         cmd->key_index = key_index;
2179
2180         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2181                                   NO_SYNC_WMIFLAG);
2182
2183         return ret;
2184 }
2185
2186 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2187                             const u8 *pmkid, bool set)
2188 {
2189         struct sk_buff *skb;
2190         struct wmi_setpmkid_cmd *cmd;
2191         int ret;
2192
2193         if (bssid == NULL)
2194                 return -EINVAL;
2195
2196         if (set && pmkid == NULL)
2197                 return -EINVAL;
2198
2199         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2200         if (!skb)
2201                 return -ENOMEM;
2202
2203         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2204         memcpy(cmd->bssid, bssid, ETH_ALEN);
2205         if (set) {
2206                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2207                 cmd->enable = PMKID_ENABLE;
2208         } else {
2209                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2210                 cmd->enable = PMKID_DISABLE;
2211         }
2212
2213         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2214                                   NO_SYNC_WMIFLAG);
2215
2216         return ret;
2217 }
2218
2219 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2220                               enum htc_endpoint_id ep_id, u8 if_idx)
2221 {
2222         struct wmi_data_hdr *data_hdr;
2223         int ret;
2224
2225         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id))
2226                 return -EINVAL;
2227
2228         skb_push(skb, sizeof(struct wmi_data_hdr));
2229
2230         data_hdr = (struct wmi_data_hdr *) skb->data;
2231         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2232         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2233
2234         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2235
2236         return ret;
2237 }
2238
2239 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2240 {
2241         struct sk_buff *skb;
2242         struct wmi_sync_cmd *cmd;
2243         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2244         enum htc_endpoint_id ep_id;
2245         u8 index, num_pri_streams = 0;
2246         int ret = 0;
2247
2248         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2249
2250         spin_lock_bh(&wmi->lock);
2251
2252         for (index = 0; index < WMM_NUM_AC; index++) {
2253                 if (wmi->fat_pipe_exist & (1 << index)) {
2254                         num_pri_streams++;
2255                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2256                             index;
2257                 }
2258         }
2259
2260         spin_unlock_bh(&wmi->lock);
2261
2262         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2263         if (!skb) {
2264                 ret = -ENOMEM;
2265                 goto free_skb;
2266         }
2267
2268         cmd = (struct wmi_sync_cmd *) skb->data;
2269
2270         /*
2271          * In the SYNC cmd sent on the control Ep, send a bitmap
2272          * of the data eps on which the Data Sync will be sent
2273          */
2274         cmd->data_sync_map = wmi->fat_pipe_exist;
2275
2276         for (index = 0; index < num_pri_streams; index++) {
2277                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2278                 if (data_sync_bufs[index].skb == NULL) {
2279                         ret = -ENOMEM;
2280                         break;
2281                 }
2282         }
2283
2284         /*
2285          * If buffer allocation for any of the dataSync fails,
2286          * then do not send the Synchronize cmd on the control ep
2287          */
2288         if (ret)
2289                 goto free_skb;
2290
2291         /*
2292          * Send sync cmd followed by sync data messages on all
2293          * endpoints being used
2294          */
2295         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2296                                   NO_SYNC_WMIFLAG);
2297
2298         if (ret)
2299                 goto free_skb;
2300
2301         /* cmd buffer sent, we no longer own it */
2302         skb = NULL;
2303
2304         for (index = 0; index < num_pri_streams; index++) {
2305
2306                 if (WARN_ON(!data_sync_bufs[index].skb))
2307                         break;
2308
2309                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2310                                                data_sync_bufs[index].
2311                                                traffic_class);
2312                 ret =
2313                     ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2314                                               ep_id, if_idx);
2315
2316                 if (ret)
2317                         break;
2318
2319                 data_sync_bufs[index].skb = NULL;
2320         }
2321
2322 free_skb:
2323         /* free up any resources left over (possibly due to an error) */
2324         if (skb)
2325                 dev_kfree_skb(skb);
2326
2327         for (index = 0; index < num_pri_streams; index++) {
2328                 if (data_sync_bufs[index].skb != NULL) {
2329                         dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].
2330                                       skb);
2331                 }
2332         }
2333
2334         return ret;
2335 }
2336
2337 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2338                                   struct wmi_create_pstream_cmd *params)
2339 {
2340         struct sk_buff *skb;
2341         struct wmi_create_pstream_cmd *cmd;
2342         u8 fatpipe_exist_for_ac = 0;
2343         s32 min_phy = 0;
2344         s32 nominal_phy = 0;
2345         int ret;
2346
2347         if (!((params->user_pri < 8) &&
2348               (params->user_pri <= 0x7) &&
2349               (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2350               (params->traffic_direc == UPLINK_TRAFFIC ||
2351                params->traffic_direc == DNLINK_TRAFFIC ||
2352                params->traffic_direc == BIDIR_TRAFFIC) &&
2353               (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2354                params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2355               (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2356                params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2357                params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2358               (params->tsid == WMI_IMPLICIT_PSTREAM ||
2359                params->tsid <= WMI_MAX_THINSTREAM))) {
2360                 return -EINVAL;
2361         }
2362
2363         /*
2364          * Check nominal PHY rate is >= minimalPHY,
2365          * so that DUT can allow TSRS IE
2366          */
2367
2368         /* Get the physical rate (units of bps) */
2369         min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2370
2371         /* Check minimal phy < nominal phy rate */
2372         if (params->nominal_phy >= min_phy) {
2373                 /* unit of 500 kbps */
2374                 nominal_phy = (params->nominal_phy * 1000) / 500;
2375                 ath6kl_dbg(ATH6KL_DBG_WMI,
2376                            "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2377                            min_phy, nominal_phy);
2378
2379                 params->nominal_phy = nominal_phy;
2380         } else {
2381                 params->nominal_phy = 0;
2382         }
2383
2384         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2385         if (!skb)
2386                 return -ENOMEM;
2387
2388         ath6kl_dbg(ATH6KL_DBG_WMI,
2389                    "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2390                    params->traffic_class, params->tsid);
2391
2392         cmd = (struct wmi_create_pstream_cmd *) skb->data;
2393         memcpy(cmd, params, sizeof(*cmd));
2394
2395         /* This is an implicitly created Fat pipe */
2396         if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2397                 spin_lock_bh(&wmi->lock);
2398                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2399                                         (1 << params->traffic_class));
2400                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2401                 spin_unlock_bh(&wmi->lock);
2402         } else {
2403                 /* explicitly created thin stream within a fat pipe */
2404                 spin_lock_bh(&wmi->lock);
2405                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2406                                         (1 << params->traffic_class));
2407                 wmi->stream_exist_for_ac[params->traffic_class] |=
2408                     (1 << params->tsid);
2409                 /*
2410                  * If a thinstream becomes active, the fat pipe automatically
2411                  * becomes active
2412                  */
2413                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2414                 spin_unlock_bh(&wmi->lock);
2415         }
2416
2417         /*
2418          * Indicate activty change to driver layer only if this is the
2419          * first TSID to get created in this AC explicitly or an implicit
2420          * fat pipe is getting created.
2421          */
2422         if (!fatpipe_exist_for_ac)
2423                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2424                                             params->traffic_class, true);
2425
2426         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2427                                   NO_SYNC_WMIFLAG);
2428         return ret;
2429 }
2430
2431 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2432                                   u8 tsid)
2433 {
2434         struct sk_buff *skb;
2435         struct wmi_delete_pstream_cmd *cmd;
2436         u16 active_tsids = 0;
2437         int ret;
2438
2439         if (traffic_class > 3) {
2440                 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2441                 return -EINVAL;
2442         }
2443
2444         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2445         if (!skb)
2446                 return -ENOMEM;
2447
2448         cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2449         cmd->traffic_class = traffic_class;
2450         cmd->tsid = tsid;
2451
2452         spin_lock_bh(&wmi->lock);
2453         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2454         spin_unlock_bh(&wmi->lock);
2455
2456         if (!(active_tsids & (1 << tsid))) {
2457                 dev_kfree_skb(skb);
2458                 ath6kl_dbg(ATH6KL_DBG_WMI,
2459                            "TSID %d doesn't exist for traffic class: %d\n",
2460                            tsid, traffic_class);
2461                 return -ENODATA;
2462         }
2463
2464         ath6kl_dbg(ATH6KL_DBG_WMI,
2465                    "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2466                    traffic_class, tsid);
2467
2468         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2469                                   SYNC_BEFORE_WMIFLAG);
2470
2471         spin_lock_bh(&wmi->lock);
2472         wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2473         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2474         spin_unlock_bh(&wmi->lock);
2475
2476         /*
2477          * Indicate stream inactivity to driver layer only if all tsids
2478          * within this AC are deleted.
2479          */
2480         if (!active_tsids) {
2481                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2482                                             traffic_class, false);
2483                 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2484         }
2485
2486         return ret;
2487 }
2488
2489 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2490                           __be32 ips0, __be32 ips1)
2491 {
2492         struct sk_buff *skb;
2493         struct wmi_set_ip_cmd *cmd;
2494         int ret;
2495
2496         /* Multicast address are not valid */
2497         if (ipv4_is_multicast(ips0) ||
2498             ipv4_is_multicast(ips1))
2499                 return -EINVAL;
2500
2501         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2502         if (!skb)
2503                 return -ENOMEM;
2504
2505         cmd = (struct wmi_set_ip_cmd *) skb->data;
2506         cmd->ips[0] = ips0;
2507         cmd->ips[1] = ips1;
2508
2509         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2510                                   NO_SYNC_WMIFLAG);
2511         return ret;
2512 }
2513
2514 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2515 {
2516         u16 active_tsids;
2517         u8 stream_exist;
2518         int i;
2519
2520         /*
2521          * Relinquish credits from all implicitly created pstreams
2522          * since when we go to sleep. If user created explicit
2523          * thinstreams exists with in a fatpipe leave them intact
2524          * for the user to delete.
2525          */
2526         spin_lock_bh(&wmi->lock);
2527         stream_exist = wmi->fat_pipe_exist;
2528         spin_unlock_bh(&wmi->lock);
2529
2530         for (i = 0; i < WMM_NUM_AC; i++) {
2531                 if (stream_exist & (1 << i)) {
2532
2533                         /*
2534                          * FIXME: Is this lock & unlock inside
2535                          * for loop correct? may need rework.
2536                          */
2537                         spin_lock_bh(&wmi->lock);
2538                         active_tsids = wmi->stream_exist_for_ac[i];
2539                         spin_unlock_bh(&wmi->lock);
2540
2541                         /*
2542                          * If there are no user created thin streams
2543                          * delete the fatpipe
2544                          */
2545                         if (!active_tsids) {
2546                                 stream_exist &= ~(1 << i);
2547                                 /*
2548                                  * Indicate inactivity to driver layer for
2549                                  * this fatpipe (pstream)
2550                                  */
2551                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2552                                                             i, false);
2553                         }
2554                 }
2555         }
2556
2557         /* FIXME: Can we do this assignment without locking ? */
2558         spin_lock_bh(&wmi->lock);
2559         wmi->fat_pipe_exist = stream_exist;
2560         spin_unlock_bh(&wmi->lock);
2561 }
2562
2563 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2564                                        enum ath6kl_host_mode host_mode)
2565 {
2566         struct sk_buff *skb;
2567         struct wmi_set_host_sleep_mode_cmd *cmd;
2568         int ret;
2569
2570         if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2571             (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2572                 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2573                 return -EINVAL;
2574         }
2575
2576         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2577         if (!skb)
2578                 return -ENOMEM;
2579
2580         cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2581
2582         if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2583                 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2584                 cmd->asleep = cpu_to_le32(1);
2585         } else
2586                 cmd->awake = cpu_to_le32(1);
2587
2588         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2589                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2590                                   NO_SYNC_WMIFLAG);
2591         return ret;
2592 }
2593
2594 /* This command has zero length payload */
2595 static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2596                                                       struct ath6kl_vif *vif)
2597 {
2598         struct ath6kl *ar = wmi->parent_dev;
2599
2600         set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2601         wake_up(&ar->event_wq);
2602
2603         return 0;
2604 }
2605
2606 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2607                                 enum ath6kl_wow_mode wow_mode,
2608                                 u32 filter, u16 host_req_delay)
2609 {
2610         struct sk_buff *skb;
2611         struct wmi_set_wow_mode_cmd *cmd;
2612         int ret;
2613
2614         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2615              wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2616                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2617                 return -EINVAL;
2618         }
2619
2620         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2621         if (!skb)
2622                 return -ENOMEM;
2623
2624         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2625         cmd->enable_wow = cpu_to_le32(wow_mode);
2626         cmd->filter = cpu_to_le32(filter);
2627         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2628
2629         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2630                                   NO_SYNC_WMIFLAG);
2631         return ret;
2632 }
2633
2634 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2635                                    u8 list_id, u8 filter_size,
2636                                    u8 filter_offset, const u8 *filter,
2637                                    const u8 *mask)
2638 {
2639         struct sk_buff *skb;
2640         struct wmi_add_wow_pattern_cmd *cmd;
2641         u16 size;
2642         u8 *filter_mask;
2643         int ret;
2644
2645         /*
2646          * Allocate additional memory in the buffer to hold
2647          * filter and mask value, which is twice of filter_size.
2648          */
2649         size = sizeof(*cmd) + (2 * filter_size);
2650
2651         skb = ath6kl_wmi_get_new_buf(size);
2652         if (!skb)
2653                 return -ENOMEM;
2654
2655         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2656         cmd->filter_list_id = list_id;
2657         cmd->filter_size = filter_size;
2658         cmd->filter_offset = filter_offset;
2659
2660         memcpy(cmd->filter, filter, filter_size);
2661
2662         filter_mask = (u8 *) (cmd->filter + filter_size);
2663         memcpy(filter_mask, mask, filter_size);
2664
2665         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2666                                   NO_SYNC_WMIFLAG);
2667
2668         return ret;
2669 }
2670
2671 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2672                                    u16 list_id, u16 filter_id)
2673 {
2674         struct sk_buff *skb;
2675         struct wmi_del_wow_pattern_cmd *cmd;
2676         int ret;
2677
2678         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2679         if (!skb)
2680                 return -ENOMEM;
2681
2682         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2683         cmd->filter_list_id = cpu_to_le16(list_id);
2684         cmd->filter_id = cpu_to_le16(filter_id);
2685
2686         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2687                                   NO_SYNC_WMIFLAG);
2688         return ret;
2689 }
2690
2691 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2692                                     enum wmix_command_id cmd_id,
2693                                     enum wmi_sync_flag sync_flag)
2694 {
2695         struct wmix_cmd_hdr *cmd_hdr;
2696         int ret;
2697
2698         skb_push(skb, sizeof(struct wmix_cmd_hdr));
2699
2700         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2701         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2702
2703         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
2704
2705         return ret;
2706 }
2707
2708 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2709 {
2710         struct sk_buff *skb;
2711         struct wmix_hb_challenge_resp_cmd *cmd;
2712         int ret;
2713
2714         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2715         if (!skb)
2716                 return -ENOMEM;
2717
2718         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
2719         cmd->cookie = cpu_to_le32(cookie);
2720         cmd->source = cpu_to_le32(source);
2721
2722         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
2723                                        NO_SYNC_WMIFLAG);
2724         return ret;
2725 }
2726
2727 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
2728 {
2729         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
2730         struct sk_buff *skb;
2731         int ret;
2732
2733         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2734         if (!skb)
2735                 return -ENOMEM;
2736
2737         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
2738         cmd->valid = cpu_to_le32(valid);
2739         cmd->config = cpu_to_le32(config);
2740
2741         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
2742                                        NO_SYNC_WMIFLAG);
2743         return ret;
2744 }
2745
2746 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
2747 {
2748         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
2749 }
2750
2751 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
2752 {
2753         struct sk_buff *skb;
2754         struct wmi_set_tx_pwr_cmd *cmd;
2755         int ret;
2756
2757         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
2758         if (!skb)
2759                 return -ENOMEM;
2760
2761         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
2762         cmd->dbM = dbM;
2763
2764         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
2765                                   NO_SYNC_WMIFLAG);
2766
2767         return ret;
2768 }
2769
2770 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
2771 {
2772         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
2773 }
2774
2775 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
2776 {
2777         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
2778 }
2779
2780 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
2781                                  u8 preamble_policy)
2782 {
2783         struct sk_buff *skb;
2784         struct wmi_set_lpreamble_cmd *cmd;
2785         int ret;
2786
2787         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
2788         if (!skb)
2789                 return -ENOMEM;
2790
2791         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
2792         cmd->status = status;
2793         cmd->preamble_policy = preamble_policy;
2794
2795         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
2796                                   NO_SYNC_WMIFLAG);
2797         return ret;
2798 }
2799
2800 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
2801 {
2802         struct sk_buff *skb;
2803         struct wmi_set_rts_cmd *cmd;
2804         int ret;
2805
2806         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
2807         if (!skb)
2808                 return -ENOMEM;
2809
2810         cmd = (struct wmi_set_rts_cmd *) skb->data;
2811         cmd->threshold = cpu_to_le16(threshold);
2812
2813         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
2814                                   NO_SYNC_WMIFLAG);
2815         return ret;
2816 }
2817
2818 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
2819 {
2820         struct sk_buff *skb;
2821         struct wmi_set_wmm_txop_cmd *cmd;
2822         int ret;
2823
2824         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
2825                 return -EINVAL;
2826
2827         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
2828         if (!skb)
2829                 return -ENOMEM;
2830
2831         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
2832         cmd->txop_enable = cfg;
2833
2834         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
2835                                   NO_SYNC_WMIFLAG);
2836         return ret;
2837 }
2838
2839 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
2840                                  u8 keep_alive_intvl)
2841 {
2842         struct sk_buff *skb;
2843         struct wmi_set_keepalive_cmd *cmd;
2844         int ret;
2845
2846         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2847         if (!skb)
2848                 return -ENOMEM;
2849
2850         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
2851         cmd->keep_alive_intvl = keep_alive_intvl;
2852
2853         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
2854                                   NO_SYNC_WMIFLAG);
2855
2856         if (ret == 0)
2857                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
2858
2859         return ret;
2860 }
2861
2862 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
2863 {
2864         struct sk_buff *skb;
2865         int ret;
2866
2867         skb = ath6kl_wmi_get_new_buf(len);
2868         if (!skb)
2869                 return -ENOMEM;
2870
2871         memcpy(skb->data, buf, len);
2872
2873         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
2874
2875         return ret;
2876 }
2877
2878 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
2879 {
2880         struct sk_buff *skb;
2881         struct wmi_mcast_filter_cmd *cmd;
2882         int ret;
2883
2884         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2885         if (!skb)
2886                 return -ENOMEM;
2887
2888         cmd = (struct wmi_mcast_filter_cmd *) skb->data;
2889         cmd->mcast_all_enable = mc_all_on;
2890
2891         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
2892                                   NO_SYNC_WMIFLAG);
2893         return ret;
2894 }
2895
2896 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
2897                                         u8 *filter, bool add_filter)
2898 {
2899         struct sk_buff *skb;
2900         struct wmi_mcast_filter_add_del_cmd *cmd;
2901         int ret;
2902
2903         if ((filter[0] != 0x33 || filter[1] != 0x33) &&
2904             (filter[0] != 0x01 || filter[1] != 0x00 ||
2905             filter[2] != 0x5e || filter[3] > 0x7f)) {
2906                 ath6kl_warn("invalid multicast filter address\n");
2907                 return -EINVAL;
2908         }
2909
2910         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2911         if (!skb)
2912                 return -ENOMEM;
2913
2914         cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
2915         memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
2916         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2917                                   add_filter ? WMI_SET_MCAST_FILTER_CMDID :
2918                                   WMI_DEL_MCAST_FILTER_CMDID,
2919                                   NO_SYNC_WMIFLAG);
2920
2921         return ret;
2922 }
2923
2924 s32 ath6kl_wmi_get_rate(s8 rate_index)
2925 {
2926         if (rate_index == RATE_AUTO)
2927                 return 0;
2928
2929         return wmi_rate_tbl[(u32) rate_index][0];
2930 }
2931
2932 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
2933                                               u32 len)
2934 {
2935         struct wmi_pmkid_list_reply *reply;
2936         u32 expected_len;
2937
2938         if (len < sizeof(struct wmi_pmkid_list_reply))
2939                 return -EINVAL;
2940
2941         reply = (struct wmi_pmkid_list_reply *)datap;
2942         expected_len = sizeof(reply->num_pmkid) +
2943                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
2944
2945         if (len < expected_len)
2946                 return -EINVAL;
2947
2948         return 0;
2949 }
2950
2951 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2952                                          struct ath6kl_vif *vif)
2953 {
2954         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
2955
2956         aggr_recv_addba_req_evt(vif, cmd->tid,
2957                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
2958
2959         return 0;
2960 }
2961
2962 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2963                                          struct ath6kl_vif *vif)
2964 {
2965         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
2966
2967         aggr_recv_delba_req_evt(vif, cmd->tid);
2968
2969         return 0;
2970 }
2971
2972 /*  AP mode functions */
2973
2974 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
2975                                  struct wmi_connect_cmd *p)
2976 {
2977         struct sk_buff *skb;
2978         struct wmi_connect_cmd *cm;
2979         int res;
2980
2981         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
2982         if (!skb)
2983                 return -ENOMEM;
2984
2985         cm = (struct wmi_connect_cmd *) skb->data;
2986         memcpy(cm, p, sizeof(*cm));
2987
2988         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
2989                                   NO_SYNC_WMIFLAG);
2990         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: nw_type=%u auth_mode=%u ch=%u "
2991                    "ctrl_flags=0x%x-> res=%d\n",
2992                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
2993                    le32_to_cpu(p->ctrl_flags), res);
2994         return res;
2995 }
2996
2997 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
2998                            u16 reason)
2999 {
3000         struct sk_buff *skb;
3001         struct wmi_ap_set_mlme_cmd *cm;
3002
3003         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3004         if (!skb)
3005                 return -ENOMEM;
3006
3007         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3008         memcpy(cm->mac, mac, ETH_ALEN);
3009         cm->reason = cpu_to_le16(reason);
3010         cm->cmd = cmd;
3011
3012         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3013                                    NO_SYNC_WMIFLAG);
3014 }
3015
3016 /* This command will be used to enable/disable AP uAPSD feature */
3017 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3018 {
3019         struct wmi_ap_set_apsd_cmd *cmd;
3020         struct sk_buff *skb;
3021
3022         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3023         if (!skb)
3024                 return -ENOMEM;
3025
3026         cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3027         cmd->enable = enable;
3028
3029         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3030                                    NO_SYNC_WMIFLAG);
3031 }
3032
3033 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3034                                              u16 aid, u16 bitmap, u32 flags)
3035 {
3036         struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3037         struct sk_buff *skb;
3038
3039         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3040         if (!skb)
3041                 return -ENOMEM;
3042
3043         cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3044         cmd->aid = cpu_to_le16(aid);
3045         cmd->bitmap = cpu_to_le16(bitmap);
3046         cmd->flags = cpu_to_le32(flags);
3047
3048         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3049                                    WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3050                                    NO_SYNC_WMIFLAG);
3051 }
3052
3053 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3054                                       struct ath6kl_vif *vif)
3055 {
3056         struct wmi_pspoll_event *ev;
3057
3058         if (len < sizeof(struct wmi_pspoll_event))
3059                 return -EINVAL;
3060
3061         ev = (struct wmi_pspoll_event *) datap;
3062
3063         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3064
3065         return 0;
3066 }
3067
3068 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3069                                           struct ath6kl_vif *vif)
3070 {
3071         ath6kl_dtimexpiry_event(vif);
3072
3073         return 0;
3074 }
3075
3076 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3077                            bool flag)
3078 {
3079         struct sk_buff *skb;
3080         struct wmi_ap_set_pvb_cmd *cmd;
3081         int ret;
3082
3083         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3084         if (!skb)
3085                 return -ENOMEM;
3086
3087         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3088         cmd->aid = cpu_to_le16(aid);
3089         cmd->rsvd = cpu_to_le16(0);
3090         cmd->flag = cpu_to_le32(flag);
3091
3092         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3093                                   NO_SYNC_WMIFLAG);
3094
3095         return 0;
3096 }
3097
3098 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3099                                        u8 rx_meta_ver,
3100                                        bool rx_dot11_hdr, bool defrag_on_host)
3101 {
3102         struct sk_buff *skb;
3103         struct wmi_rx_frame_format_cmd *cmd;
3104         int ret;
3105
3106         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3107         if (!skb)
3108                 return -ENOMEM;
3109
3110         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3111         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3112         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3113         cmd->meta_ver = rx_meta_ver;
3114
3115         /* Delete the local aggr state, on host */
3116         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3117                                   NO_SYNC_WMIFLAG);
3118
3119         return ret;
3120 }
3121
3122 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3123                              const u8 *ie, u8 ie_len)
3124 {
3125         struct sk_buff *skb;
3126         struct wmi_set_appie_cmd *p;
3127
3128         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3129         if (!skb)
3130                 return -ENOMEM;
3131
3132         ath6kl_dbg(ATH6KL_DBG_WMI, "set_appie_cmd: mgmt_frm_type=%u "
3133                    "ie_len=%u\n", mgmt_frm_type, ie_len);
3134         p = (struct wmi_set_appie_cmd *) skb->data;
3135         p->mgmt_frm_type = mgmt_frm_type;
3136         p->ie_len = ie_len;
3137
3138         if (ie != NULL && ie_len > 0)
3139                 memcpy(p->ie_info, ie, ie_len);
3140
3141         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3142                                    NO_SYNC_WMIFLAG);
3143 }
3144
3145 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3146 {
3147         struct sk_buff *skb;
3148         struct wmi_disable_11b_rates_cmd *cmd;
3149
3150         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3151         if (!skb)
3152                 return -ENOMEM;
3153
3154         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3155                    disable);
3156         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3157         cmd->disable = disable ? 1 : 0;
3158
3159         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3160                                    NO_SYNC_WMIFLAG);
3161 }
3162
3163 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3164 {
3165         struct sk_buff *skb;
3166         struct wmi_remain_on_chnl_cmd *p;
3167
3168         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3169         if (!skb)
3170                 return -ENOMEM;
3171
3172         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3173                    freq, dur);
3174         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3175         p->freq = cpu_to_le32(freq);
3176         p->duration = cpu_to_le32(dur);
3177         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3178                                    NO_SYNC_WMIFLAG);
3179 }
3180
3181 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3182  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3183  * mgmt operations using station interface.
3184  */
3185 static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3186                                       u32 freq, u32 wait, const u8 *data,
3187                                       u16 data_len)
3188 {
3189         struct sk_buff *skb;
3190         struct wmi_send_action_cmd *p;
3191         u8 *buf;
3192
3193         if (wait)
3194                 return -EINVAL; /* Offload for wait not supported */
3195
3196         buf = kmalloc(data_len, GFP_KERNEL);
3197         if (!buf)
3198                 return -ENOMEM;
3199
3200         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3201         if (!skb) {
3202                 kfree(buf);
3203                 return -ENOMEM;
3204         }
3205
3206         kfree(wmi->last_mgmt_tx_frame);
3207         memcpy(buf, data, data_len);
3208         wmi->last_mgmt_tx_frame = buf;
3209         wmi->last_mgmt_tx_frame_len = data_len;
3210
3211         ath6kl_dbg(ATH6KL_DBG_WMI, "send_action_cmd: id=%u freq=%u wait=%u "
3212                    "len=%u\n", id, freq, wait, data_len);
3213         p = (struct wmi_send_action_cmd *) skb->data;
3214         p->id = cpu_to_le32(id);
3215         p->freq = cpu_to_le32(freq);
3216         p->wait = cpu_to_le32(wait);
3217         p->len = cpu_to_le16(data_len);
3218         memcpy(p->data, data, data_len);
3219         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3220                                    NO_SYNC_WMIFLAG);
3221 }
3222
3223 static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3224                                       u32 freq, u32 wait, const u8 *data,
3225                                       u16 data_len, u32 no_cck)
3226 {
3227         struct sk_buff *skb;
3228         struct wmi_send_mgmt_cmd *p;
3229         u8 *buf;
3230
3231         if (wait)
3232                 return -EINVAL; /* Offload for wait not supported */
3233
3234         buf = kmalloc(data_len, GFP_KERNEL);
3235         if (!buf)
3236                 return -ENOMEM;
3237
3238         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3239         if (!skb) {
3240                 kfree(buf);
3241                 return -ENOMEM;
3242         }
3243
3244         kfree(wmi->last_mgmt_tx_frame);
3245         memcpy(buf, data, data_len);
3246         wmi->last_mgmt_tx_frame = buf;
3247         wmi->last_mgmt_tx_frame_len = data_len;
3248
3249         ath6kl_dbg(ATH6KL_DBG_WMI, "send_action_cmd: id=%u freq=%u wait=%u "
3250                    "len=%u\n", id, freq, wait, data_len);
3251         p = (struct wmi_send_mgmt_cmd *) skb->data;
3252         p->id = cpu_to_le32(id);
3253         p->freq = cpu_to_le32(freq);
3254         p->wait = cpu_to_le32(wait);
3255         p->no_cck = cpu_to_le32(no_cck);
3256         p->len = cpu_to_le16(data_len);
3257         memcpy(p->data, data, data_len);
3258         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3259                                    NO_SYNC_WMIFLAG);
3260 }
3261
3262 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3263                                 u32 wait, const u8 *data, u16 data_len,
3264                                 u32 no_cck)
3265 {
3266         int status;
3267         struct ath6kl *ar = wmi->parent_dev;
3268
3269         if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3270                      ar->fw_capabilities)) {
3271                 /*
3272                  * If capable of doing P2P mgmt operations using
3273                  * station interface, send additional information like
3274                  * supported rates to advertise and xmit rates for
3275                  * probe requests
3276                  */
3277                 status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3278                                                     wait, data, data_len,
3279                                                     no_cck);
3280         } else {
3281                 status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3282                                                     wait, data, data_len);
3283         }
3284
3285         return status;
3286 }
3287
3288 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3289                                        const u8 *dst, const u8 *data,
3290                                        u16 data_len)
3291 {
3292         struct sk_buff *skb;
3293         struct wmi_p2p_probe_response_cmd *p;
3294         size_t cmd_len = sizeof(*p) + data_len;
3295
3296         if (data_len == 0)
3297                 cmd_len++; /* work around target minimum length requirement */
3298
3299         skb = ath6kl_wmi_get_new_buf(cmd_len);
3300         if (!skb)
3301                 return -ENOMEM;
3302
3303         ath6kl_dbg(ATH6KL_DBG_WMI, "send_probe_response_cmd: freq=%u dst=%pM "
3304                    "len=%u\n", freq, dst, data_len);
3305         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3306         p->freq = cpu_to_le32(freq);
3307         memcpy(p->destination_addr, dst, ETH_ALEN);
3308         p->len = cpu_to_le16(data_len);
3309         memcpy(p->data, data, data_len);
3310         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3311                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3312                                    NO_SYNC_WMIFLAG);
3313 }
3314
3315 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3316 {
3317         struct sk_buff *skb;
3318         struct wmi_probe_req_report_cmd *p;
3319
3320         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3321         if (!skb)
3322                 return -ENOMEM;
3323
3324         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3325                    enable);
3326         p = (struct wmi_probe_req_report_cmd *) skb->data;
3327         p->enable = enable ? 1 : 0;
3328         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3329                                    NO_SYNC_WMIFLAG);
3330 }
3331
3332 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3333 {
3334         struct sk_buff *skb;
3335         struct wmi_get_p2p_info *p;
3336
3337         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3338         if (!skb)
3339                 return -ENOMEM;
3340
3341         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3342                    info_req_flags);
3343         p = (struct wmi_get_p2p_info *) skb->data;
3344         p->info_req_flags = cpu_to_le32(info_req_flags);
3345         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3346                                    NO_SYNC_WMIFLAG);
3347 }
3348
3349 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3350 {
3351         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3352         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3353                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3354 }
3355
3356 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3357 {
3358         struct wmix_cmd_hdr *cmd;
3359         u32 len;
3360         u16 id;
3361         u8 *datap;
3362         int ret = 0;
3363
3364         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3365                 ath6kl_err("bad packet 1\n");
3366                 return -EINVAL;
3367         }
3368
3369         cmd = (struct wmix_cmd_hdr *) skb->data;
3370         id = le32_to_cpu(cmd->cmd_id);
3371
3372         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3373
3374         datap = skb->data;
3375         len = skb->len;
3376
3377         switch (id) {
3378         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3379                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3380                 break;
3381         case WMIX_DBGLOG_EVENTID:
3382                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3383                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3384                 break;
3385         default:
3386                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3387                 ret = -EINVAL;
3388                 break;
3389         }
3390
3391         return ret;
3392 }
3393
3394 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3395 {
3396         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3397 }
3398
3399 /* Control Path */
3400 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
3401 {
3402         struct wmi_cmd_hdr *cmd;
3403         struct ath6kl_vif *vif;
3404         u32 len;
3405         u16 id;
3406         u8 if_idx;
3407         u8 *datap;
3408         int ret = 0;
3409
3410         if (WARN_ON(skb == NULL))
3411                 return -EINVAL;
3412
3413         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
3414                 ath6kl_err("bad packet 1\n");
3415                 dev_kfree_skb(skb);
3416                 return -EINVAL;
3417         }
3418
3419         cmd = (struct wmi_cmd_hdr *) skb->data;
3420         id = le16_to_cpu(cmd->cmd_id);
3421         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3422
3423         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3424
3425         datap = skb->data;
3426         len = skb->len;
3427
3428         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3429         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3430                         datap, len);
3431
3432         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3433         if (!vif) {
3434                 ath6kl_dbg(ATH6KL_DBG_WMI,
3435                            "Wmi event for unavailable vif, vif_index:%d\n",
3436                             if_idx);
3437                 dev_kfree_skb(skb);
3438                 return -EINVAL;
3439         }
3440
3441         switch (id) {
3442         case WMI_GET_BITRATE_CMDID:
3443                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3444                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3445                 break;
3446         case WMI_GET_CHANNEL_LIST_CMDID:
3447                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3448                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3449                 break;
3450         case WMI_GET_TX_PWR_CMDID:
3451                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3452                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3453                 break;
3454         case WMI_READY_EVENTID:
3455                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3456                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3457                 break;
3458         case WMI_CONNECT_EVENTID:
3459                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3460                 ret = ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3461                 break;
3462         case WMI_DISCONNECT_EVENTID:
3463                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3464                 ret = ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3465                 break;
3466         case WMI_PEER_NODE_EVENTID:
3467                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3468                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
3469                 break;
3470         case WMI_TKIP_MICERR_EVENTID:
3471                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3472                 ret = ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3473                 break;
3474         case WMI_BSSINFO_EVENTID:
3475                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3476                 ret = ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3477                 break;
3478         case WMI_REGDOMAIN_EVENTID:
3479                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
3480                 ath6kl_wmi_regdomain_event(wmi, datap, len);
3481                 break;
3482         case WMI_PSTREAM_TIMEOUT_EVENTID:
3483                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
3484                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
3485                 break;
3486         case WMI_NEIGHBOR_REPORT_EVENTID:
3487                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3488                 ret = ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3489                                                           vif);
3490                 break;
3491         case WMI_SCAN_COMPLETE_EVENTID:
3492                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3493                 ret = ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3494                 break;
3495         case WMI_CMDERROR_EVENTID:
3496                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
3497                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
3498                 break;
3499         case WMI_REPORT_STATISTICS_EVENTID:
3500                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3501                 ret = ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3502                 break;
3503         case WMI_RSSI_THRESHOLD_EVENTID:
3504                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
3505                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
3506                 break;
3507         case WMI_ERROR_REPORT_EVENTID:
3508                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
3509                 break;
3510         case WMI_OPT_RX_FRAME_EVENTID:
3511                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
3512                 /* this event has been deprecated */
3513                 break;
3514         case WMI_REPORT_ROAM_TBL_EVENTID:
3515                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
3516                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
3517                 break;
3518         case WMI_EXTENSION_EVENTID:
3519                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
3520                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
3521                 break;
3522         case WMI_CAC_EVENTID:
3523                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3524                 ret = ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3525                 break;
3526         case WMI_CHANNEL_CHANGE_EVENTID:
3527                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
3528                 break;
3529         case WMI_REPORT_ROAM_DATA_EVENTID:
3530                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
3531                 break;
3532         case WMI_TEST_EVENTID:
3533                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
3534                 ret = ath6kl_wmi_test_rx(wmi, datap, len);
3535                 break;
3536         case WMI_GET_FIXRATES_CMDID:
3537                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
3538                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
3539                 break;
3540         case WMI_TX_RETRY_ERR_EVENTID:
3541                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
3542                 break;
3543         case WMI_SNR_THRESHOLD_EVENTID:
3544                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
3545                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
3546                 break;
3547         case WMI_LQ_THRESHOLD_EVENTID:
3548                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
3549                 break;
3550         case WMI_APLIST_EVENTID:
3551                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
3552                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
3553                 break;
3554         case WMI_GET_KEEPALIVE_CMDID:
3555                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
3556                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
3557                 break;
3558         case WMI_GET_WOW_LIST_EVENTID:
3559                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
3560                 break;
3561         case WMI_GET_PMKID_LIST_EVENTID:
3562                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
3563                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
3564                 break;
3565         case WMI_PSPOLL_EVENTID:
3566                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3567                 ret = ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3568                 break;
3569         case WMI_DTIMEXPIRY_EVENTID:
3570                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3571                 ret = ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3572                 break;
3573         case WMI_SET_PARAMS_REPLY_EVENTID:
3574                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
3575                 break;
3576         case WMI_ADDBA_REQ_EVENTID:
3577                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3578                 ret = ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3579                 break;
3580         case WMI_ADDBA_RESP_EVENTID:
3581                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
3582                 break;
3583         case WMI_DELBA_REQ_EVENTID:
3584                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3585                 ret = ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3586                 break;
3587         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
3588                 ath6kl_dbg(ATH6KL_DBG_WMI,
3589                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
3590                 break;
3591         case WMI_REPORT_BTCOEX_STATS_EVENTID:
3592                 ath6kl_dbg(ATH6KL_DBG_WMI,
3593                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
3594                 break;
3595         case WMI_TX_COMPLETE_EVENTID:
3596                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
3597                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
3598                 break;
3599         case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3600                 ath6kl_dbg(ATH6KL_DBG_WMI,
3601                            "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3602                 ret = ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3603                 break;
3604         case WMI_REMAIN_ON_CHNL_EVENTID:
3605                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3606                 ret = ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3607                 break;
3608         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3609                 ath6kl_dbg(ATH6KL_DBG_WMI,
3610                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3611                 ret = ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3612                                                                 len, vif);
3613                 break;
3614         case WMI_TX_STATUS_EVENTID:
3615                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3616                 ret = ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3617                 break;
3618         case WMI_RX_PROBE_REQ_EVENTID:
3619                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3620                 ret = ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3621                 break;
3622         case WMI_P2P_CAPABILITIES_EVENTID:
3623                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
3624                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
3625                 break;
3626         case WMI_RX_ACTION_EVENTID:
3627                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3628                 ret = ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3629                 break;
3630         case WMI_P2P_INFO_EVENTID:
3631                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
3632                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
3633                 break;
3634         default:
3635                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", id);
3636                 ret = -EINVAL;
3637                 break;
3638         }
3639
3640         dev_kfree_skb(skb);
3641
3642         return ret;
3643 }
3644
3645 void ath6kl_wmi_reset(struct wmi *wmi)
3646 {
3647         spin_lock_bh(&wmi->lock);
3648
3649         wmi->fat_pipe_exist = 0;
3650         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
3651
3652         spin_unlock_bh(&wmi->lock);
3653 }
3654
3655 void *ath6kl_wmi_init(struct ath6kl *dev)
3656 {
3657         struct wmi *wmi;
3658
3659         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
3660         if (!wmi)
3661                 return NULL;
3662
3663         spin_lock_init(&wmi->lock);
3664
3665         wmi->parent_dev = dev;
3666
3667         wmi->pwr_mode = REC_POWER;
3668
3669         ath6kl_wmi_reset(wmi);
3670
3671         return wmi;
3672 }
3673
3674 void ath6kl_wmi_shutdown(struct wmi *wmi)
3675 {
3676         if (!wmi)
3677                 return;
3678
3679         kfree(wmi->last_mgmt_tx_frame);
3680         kfree(wmi);
3681 }