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, 0,
 561                                  ev->data, dlen, GFP_ATOMIC);
 562
 563         return 0;
 564 }
 565
 566 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
 567 {
 568         struct wmi_p2p_capabilities_event *ev;
 569         u16 dlen;
 570
 571         if (len < sizeof(*ev))
 572                 return -EINVAL;
 573
 574         ev = (struct wmi_p2p_capabilities_event *) datap;
 575         dlen = le16_to_cpu(ev->len);
 576         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
 577
 578         return 0;
 579 }
 580
 581 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 582                                          struct ath6kl_vif *vif)
 583 {
 584         struct wmi_rx_action_event *ev;
 585         u32 freq;
 586         u16 dlen;
 587
 588         if (len < sizeof(*ev))
 589                 return -EINVAL;
 590
 591         ev = (struct wmi_rx_action_event *) datap;
 592         freq = le32_to_cpu(ev->freq);
 593         dlen = le16_to_cpu(ev->len);
 594         if (datap + len < ev->data + dlen) {
 595                 ath6kl_err("invalid wmi_rx_action_event: "
 596                            "len=%d dlen=%u\n", len, dlen);
 597                 return -EINVAL;
 598         }
 599         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
 600         cfg80211_rx_mgmt(vif->ndev, freq, 0,
 601                          ev->data, dlen, GFP_ATOMIC);
 602
 603         return 0;
 604 }
 605
 606 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
 607 {
 608         struct wmi_p2p_info_event *ev;
 609         u32 flags;
 610         u16 dlen;
 611
 612         if (len < sizeof(*ev))
 613                 return -EINVAL;
 614
 615         ev = (struct wmi_p2p_info_event *) datap;
 616         flags = le32_to_cpu(ev->info_req_flags);
 617         dlen = le16_to_cpu(ev->len);
 618         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
 619
 620         if (flags & P2P_FLAG_CAPABILITIES_REQ) {
 621                 struct wmi_p2p_capabilities *cap;
 622                 if (dlen < sizeof(*cap))
 623                         return -EINVAL;
 624                 cap = (struct wmi_p2p_capabilities *) ev->data;
 625                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
 626                            cap->go_power_save);
 627         }
 628
 629         if (flags & P2P_FLAG_MACADDR_REQ) {
 630                 struct wmi_p2p_macaddr *mac;
 631                 if (dlen < sizeof(*mac))
 632                         return -EINVAL;
 633                 mac = (struct wmi_p2p_macaddr *) ev->data;
 634                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
 635                            mac->mac_addr);
 636         }
 637
 638         if (flags & P2P_FLAG_HMODEL_REQ) {
 639                 struct wmi_p2p_hmodel *mod;
 640                 if (dlen < sizeof(*mod))
 641                         return -EINVAL;
 642                 mod = (struct wmi_p2p_hmodel *) ev->data;
 643                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
 644                            mod->p2p_model,
 645                            mod->p2p_model ? "host" : "firmware");
 646         }
 647         return 0;
 648 }
 649
 650 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
 651 {
 652         struct sk_buff *skb;
 653
 654         skb = ath6kl_buf_alloc(size);
 655         if (!skb)
 656                 return NULL;
 657
 658         skb_put(skb, size);
 659         if (size)
 660                 memset(skb->data, 0, size);
 661
 662         return skb;
 663 }
 664
 665 /* Send a "simple" wmi command -- one with no arguments */
 666 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
 667                                  enum wmi_cmd_id cmd_id)
 668 {
 669         struct sk_buff *skb;
 670         int ret;
 671
 672         skb = ath6kl_wmi_get_new_buf(0);
 673         if (!skb)
 674                 return -ENOMEM;
 675
 676         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
 677
 678         return ret;
 679 }
 680
 681 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
 682 {
 683         struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
 684
 685         if (len < sizeof(struct wmi_ready_event_2))
 686                 return -EINVAL;
 687
 688         ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
 689                            le32_to_cpu(ev->sw_version),
 690                            le32_to_cpu(ev->abi_version));
 691
 692         return 0;
 693 }
 694
 695 /*
 696  * Mechanism to modify the roaming behavior in the firmware. The lower rssi
 697  * at which the station has to roam can be passed with
 698  * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
 699  * in dBm.
 700  */
 701 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
 702 {
 703         struct sk_buff *skb;
 704         struct roam_ctrl_cmd *cmd;
 705
 706         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 707         if (!skb)
 708                 return -ENOMEM;
 709
 710         cmd = (struct roam_ctrl_cmd *) skb->data;
 711
 712         cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
 713         cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
 714                                                        DEF_SCAN_FOR_ROAM_INTVL);
 715         cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
 716         cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
 717         cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
 718
 719         ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 720                             NO_SYNC_WMIFLAG);
 721
 722         return 0;
 723 }
 724
 725 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
 726 {
 727         struct sk_buff *skb;
 728         struct roam_ctrl_cmd *cmd;
 729
 730         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 731         if (!skb)
 732                 return -ENOMEM;
 733
 734         cmd = (struct roam_ctrl_cmd *) skb->data;
 735         memset(cmd, 0, sizeof(*cmd));
 736
 737         memcpy(cmd->info.bssid, bssid, ETH_ALEN);
 738         cmd->roam_ctrl = WMI_FORCE_ROAM;
 739
 740         ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
 741         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 742                                    NO_SYNC_WMIFLAG);
 743 }
 744
 745 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 746 {
 747         struct sk_buff *skb;
 748         struct roam_ctrl_cmd *cmd;
 749
 750         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 751         if (!skb)
 752                 return -ENOMEM;
 753
 754         cmd = (struct roam_ctrl_cmd *) skb->data;
 755         memset(cmd, 0, sizeof(*cmd));
 756
 757         cmd->info.roam_mode = mode;
 758         cmd->roam_ctrl = WMI_SET_ROAM_MODE;
 759
 760         ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
 761         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 762                                    NO_SYNC_WMIFLAG);
 763 }
 764
 765 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
 766                                        struct ath6kl_vif *vif)
 767 {
 768         struct wmi_connect_event *ev;
 769         u8 *pie, *peie;
 770
 771         if (len < sizeof(struct wmi_connect_event))
 772                 return -EINVAL;
 773
 774         ev = (struct wmi_connect_event *) datap;
 775
 776         if (vif->nw_type == AP_NETWORK) {
 777                 /* AP mode start/STA connected event */
 778                 struct net_device *dev = vif->ndev;
 779                 if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
 780                         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: freq %d bssid %pM "
 781                                    "(AP started)\n",
 782                                    __func__, le16_to_cpu(ev->u.ap_bss.ch),
 783                                    ev->u.ap_bss.bssid);
 784                         ath6kl_connect_ap_mode_bss(
 785                                 vif, le16_to_cpu(ev->u.ap_bss.ch));
 786                 } else {
 787                         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: aid %u mac_addr %pM "
 788                                    "auth=%u keymgmt=%u cipher=%u apsd_info=%u "
 789                                    "(STA connected)\n",
 790                                    __func__, ev->u.ap_sta.aid,
 791                                    ev->u.ap_sta.mac_addr,
 792                                    ev->u.ap_sta.auth,
 793                                    ev->u.ap_sta.keymgmt,
 794                                    le16_to_cpu(ev->u.ap_sta.cipher),
 795                                    ev->u.ap_sta.apsd_info);
 796
 797                         ath6kl_connect_ap_mode_sta(
 798                                 vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
 799                                 ev->u.ap_sta.keymgmt,
 800                                 le16_to_cpu(ev->u.ap_sta.cipher),
 801                                 ev->u.ap_sta.auth, ev->assoc_req_len,
 802                                 ev->assoc_info + ev->beacon_ie_len,
 803                                 ev->u.ap_sta.apsd_info);
 804                 }
 805                 return 0;
 806         }
 807
 808         /* STA/IBSS mode connection event */
 809
 810         ath6kl_dbg(ATH6KL_DBG_WMI,
 811                    "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
 812                    le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
 813                    le16_to_cpu(ev->u.sta.listen_intvl),
 814                    le16_to_cpu(ev->u.sta.beacon_intvl),
 815                    le32_to_cpu(ev->u.sta.nw_type));
 816
 817         /* Start of assoc rsp IEs */
 818         pie = ev->assoc_info + ev->beacon_ie_len +
 819               ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
 820
 821         /* End of assoc rsp IEs */
 822         peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
 823             ev->assoc_resp_len;
 824
 825         while (pie < peie) {
 826                 switch (*pie) {
 827                 case WLAN_EID_VENDOR_SPECIFIC:
 828                         if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
 829                             pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
 830                                 /* WMM OUT (00:50:F2) */
 831                                 if (pie[1] > 5 &&
 832                                     pie[6] == WMM_PARAM_OUI_SUBTYPE)
 833                                         wmi->is_wmm_enabled = true;
 834                         }
 835                         break;
 836                 }
 837
 838                 if (wmi->is_wmm_enabled)
 839                         break;
 840
 841                 pie += pie[1] + 2;
 842         }
 843
 844         ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
 845                              ev->u.sta.bssid,
 846                              le16_to_cpu(ev->u.sta.listen_intvl),
 847                              le16_to_cpu(ev->u.sta.beacon_intvl),
 848                              le32_to_cpu(ev->u.sta.nw_type),
 849                              ev->beacon_ie_len, ev->assoc_req_len,
 850                              ev->assoc_resp_len, ev->assoc_info);
 851
 852         return 0;
 853 }
 854
 855 static struct country_code_to_enum_rd *
 856 ath6kl_regd_find_country(u16 countryCode)
 857 {
 858         int i;
 859
 860         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 861                 if (allCountries[i].countryCode == countryCode)
 862                         return &allCountries[i];
 863         }
 864
 865         return NULL;
 866 }
 867
 868 static struct reg_dmn_pair_mapping *
 869 ath6kl_get_regpair(u16 regdmn)
 870 {
 871         int i;
 872
 873         if (regdmn == NO_ENUMRD)
 874                 return NULL;
 875
 876         for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
 877                 if (regDomainPairs[i].regDmnEnum == regdmn)
 878                         return &regDomainPairs[i];
 879         }
 880
 881         return NULL;
 882 }
 883
 884 static struct country_code_to_enum_rd *
 885 ath6kl_regd_find_country_by_rd(u16 regdmn)
 886 {
 887         int i;
 888
 889         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 890                 if (allCountries[i].regDmnEnum == regdmn)
 891                         return &allCountries[i];
 892         }
 893
 894         return NULL;
 895 }
 896
 897 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 898 {
 899
 900         struct ath6kl_wmi_regdomain *ev;
 901         struct country_code_to_enum_rd *country = NULL;
 902         struct reg_dmn_pair_mapping *regpair = NULL;
 903         char alpha2[2];
 904         u32 reg_code;
 905
 906         ev = (struct ath6kl_wmi_regdomain *) datap;
 907         reg_code = le32_to_cpu(ev->reg_code);
 908
 909         if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG)
 910                 country = ath6kl_regd_find_country((u16) reg_code);
 911         else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
 912
 913                 regpair = ath6kl_get_regpair((u16) reg_code);
 914                 country = ath6kl_regd_find_country_by_rd((u16) reg_code);
 915                 ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
 916                            regpair->regDmnEnum);
 917         }
 918
 919         if (country && wmi->parent_dev->wiphy_registered) {
 920                 alpha2[0] = country->isoName[0];
 921                 alpha2[1] = country->isoName[1];
 922
 923                 regulatory_hint(wmi->parent_dev->wiphy, alpha2);
 924
 925                 ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
 926                            alpha2[0], alpha2[1]);
 927         }
 928 }
 929
 930 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
 931                                           struct ath6kl_vif *vif)
 932 {
 933         struct wmi_disconnect_event *ev;
 934         wmi->traffic_class = 100;
 935
 936         if (len < sizeof(struct wmi_disconnect_event))
 937                 return -EINVAL;
 938
 939         ev = (struct wmi_disconnect_event *) datap;
 940
 941         ath6kl_dbg(ATH6KL_DBG_WMI,
 942                    "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
 943                    le16_to_cpu(ev->proto_reason_status), ev->bssid,
 944                    ev->disconn_reason, ev->assoc_resp_len);
 945
 946         wmi->is_wmm_enabled = false;
 947
 948         ath6kl_disconnect_event(vif, ev->disconn_reason,
 949                                 ev->bssid, ev->assoc_resp_len, ev->assoc_info,
 950                                 le16_to_cpu(ev->proto_reason_status));
 951
 952         return 0;
 953 }
 954
 955 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
 956 {
 957         struct wmi_peer_node_event *ev;
 958
 959         if (len < sizeof(struct wmi_peer_node_event))
 960                 return -EINVAL;
 961
 962         ev = (struct wmi_peer_node_event *) datap;
 963
 964         if (ev->event_code == PEER_NODE_JOIN_EVENT)
 965                 ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
 966                            ev->peer_mac_addr);
 967         else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
 968                 ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
 969                            ev->peer_mac_addr);
 970
 971         return 0;
 972 }
 973
 974 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
 975                                            struct ath6kl_vif *vif)
 976 {
 977         struct wmi_tkip_micerr_event *ev;
 978
 979         if (len < sizeof(struct wmi_tkip_micerr_event))
 980                 return -EINVAL;
 981
 982         ev = (struct wmi_tkip_micerr_event *) datap;
 983
 984         ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
 985
 986         return 0;
 987 }
 988
 989 void ath6kl_wmi_sscan_timer(unsigned long ptr)
 990 {
 991         struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
 992
 993         cfg80211_sched_scan_results(vif->ar->wiphy);
 994 }
 995
 996 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
 997                                        struct ath6kl_vif *vif)
 998 {
 999         struct wmi_bss_info_hdr2 *bih;
1000         u8 *buf;
1001         struct ieee80211_channel *channel;
1002         struct ath6kl *ar = wmi->parent_dev;
1003         struct ieee80211_mgmt *mgmt;
1004         struct cfg80211_bss *bss;
1005
1006         if (len <= sizeof(struct wmi_bss_info_hdr2))
1007                 return -EINVAL;
1008
1009         bih = (struct wmi_bss_info_hdr2 *) datap;
1010         buf = datap + sizeof(struct wmi_bss_info_hdr2);
1011         len -= sizeof(struct wmi_bss_info_hdr2);
1012
1013         ath6kl_dbg(ATH6KL_DBG_WMI,
1014                    "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1015                    "frame_type=%d\n",
1016                    bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1017                    bih->frame_type);
1018
1019         if (bih->frame_type != BEACON_FTYPE &&
1020             bih->frame_type != PROBERESP_FTYPE)
1021                 return 0; /* Only update BSS table for now */
1022
1023         if (bih->frame_type == BEACON_FTYPE &&
1024             test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1025                 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1026                 ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1027                                          NONE_BSS_FILTER, 0);
1028         }
1029
1030         channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1031         if (channel == NULL)
1032                 return -EINVAL;
1033
1034         if (len < 8 + 2 + 2)
1035                 return -EINVAL;
1036
1037         if (bih->frame_type == BEACON_FTYPE &&
1038             test_bit(CONNECTED, &vif->flags) &&
1039             memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1040                 const u8 *tim;
1041                 tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1042                                        len - 8 - 2 - 2);
1043                 if (tim && tim[1] >= 2) {
1044                         vif->assoc_bss_dtim_period = tim[3];
1045                         set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1046                 }
1047         }
1048
1049         /*
1050          * In theory, use of cfg80211_inform_bss() would be more natural here
1051          * since we do not have the full frame. However, at least for now,
1052          * cfg80211 can only distinguish Beacon and Probe Response frames from
1053          * each other when using cfg80211_inform_bss_frame(), so let's build a
1054          * fake IEEE 802.11 header to be able to take benefit of this.
1055          */
1056         mgmt = kmalloc(24 + len, GFP_ATOMIC);
1057         if (mgmt == NULL)
1058                 return -EINVAL;
1059
1060         if (bih->frame_type == BEACON_FTYPE) {
1061                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1062                                                   IEEE80211_STYPE_BEACON);
1063                 memset(mgmt->da, 0xff, ETH_ALEN);
1064         } else {
1065                 struct net_device *dev = vif->ndev;
1066
1067                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1068                                                   IEEE80211_STYPE_PROBE_RESP);
1069                 memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
1070         }
1071         mgmt->duration = cpu_to_le16(0);
1072         memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
1073         memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
1074         mgmt->seq_ctrl = cpu_to_le16(0);
1075
1076         memcpy(&mgmt->u.beacon, buf, len);
1077
1078         bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
1079                                         24 + len, (bih->snr - 95) * 100,
1080                                         GFP_ATOMIC);
1081         kfree(mgmt);
1082         if (bss == NULL)
1083                 return -ENOMEM;
1084         cfg80211_put_bss(bss);
1085
1086         /*
1087          * Firmware doesn't return any event when scheduled scan has
1088          * finished, so we need to use a timer to find out when there are
1089          * no more results.
1090          *
1091          * The timer is started from the first bss info received, otherwise
1092          * the timer would not ever fire if the scan interval is short
1093          * enough.
1094          */
1095         if (ar->state == ATH6KL_STATE_SCHED_SCAN &&
1096             !timer_pending(&vif->sched_scan_timer)) {
1097                 mod_timer(&vif->sched_scan_timer, jiffies +
1098                           msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1099         }
1100
1101         return 0;
1102 }
1103
1104 /* Inactivity timeout of a fatpipe(pstream) at the target */
1105 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1106                                                int len)
1107 {
1108         struct wmi_pstream_timeout_event *ev;
1109
1110         if (len < sizeof(struct wmi_pstream_timeout_event))
1111                 return -EINVAL;
1112
1113         ev = (struct wmi_pstream_timeout_event *) datap;
1114
1115         /*
1116          * When the pstream (fat pipe == AC) timesout, it means there were
1117          * no thinStreams within this pstream & it got implicitly created
1118          * due to data flow on this AC. We start the inactivity timer only
1119          * for implicitly created pstream. Just reset the host state.
1120          */
1121         spin_lock_bh(&wmi->lock);
1122         wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1123         wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1124         spin_unlock_bh(&wmi->lock);
1125
1126         /* Indicate inactivity to driver layer for this fatpipe (pstream) */
1127         ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1128
1129         return 0;
1130 }
1131
1132 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1133 {
1134         struct wmi_bit_rate_reply *reply;
1135         s32 rate;
1136         u32 sgi, index;
1137
1138         if (len < sizeof(struct wmi_bit_rate_reply))
1139                 return -EINVAL;
1140
1141         reply = (struct wmi_bit_rate_reply *) datap;
1142
1143         ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1144
1145         if (reply->rate_index == (s8) RATE_AUTO) {
1146                 rate = RATE_AUTO;
1147         } else {
1148                 index = reply->rate_index & 0x7f;
1149                 sgi = (reply->rate_index & 0x80) ? 1 : 0;
1150                 rate = wmi_rate_tbl[index][sgi];
1151         }
1152
1153         ath6kl_wakeup_event(wmi->parent_dev);
1154
1155         return 0;
1156 }
1157
1158 static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1159 {
1160         ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1161
1162         return 0;
1163 }
1164
1165 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1166 {
1167         if (len < sizeof(struct wmi_fix_rates_reply))
1168                 return -EINVAL;
1169
1170         ath6kl_wakeup_event(wmi->parent_dev);
1171
1172         return 0;
1173 }
1174
1175 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1176 {
1177         if (len < sizeof(struct wmi_channel_list_reply))
1178                 return -EINVAL;
1179
1180         ath6kl_wakeup_event(wmi->parent_dev);
1181
1182         return 0;
1183 }
1184
1185 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1186 {
1187         struct wmi_tx_pwr_reply *reply;
1188
1189         if (len < sizeof(struct wmi_tx_pwr_reply))
1190                 return -EINVAL;
1191
1192         reply = (struct wmi_tx_pwr_reply *) datap;
1193         ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1194
1195         return 0;
1196 }
1197
1198 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1199 {
1200         if (len < sizeof(struct wmi_get_keepalive_cmd))
1201                 return -EINVAL;
1202
1203         ath6kl_wakeup_event(wmi->parent_dev);
1204
1205         return 0;
1206 }
1207
1208 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1209                                        struct ath6kl_vif *vif)
1210 {
1211         struct wmi_scan_complete_event *ev;
1212
1213         ev = (struct wmi_scan_complete_event *) datap;
1214
1215         ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1216         wmi->is_probe_ssid = false;
1217
1218         return 0;
1219 }
1220
1221 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1222                                                int len, struct ath6kl_vif *vif)
1223 {
1224         struct wmi_neighbor_report_event *ev;
1225         u8 i;
1226
1227         if (len < sizeof(*ev))
1228                 return -EINVAL;
1229         ev = (struct wmi_neighbor_report_event *) datap;
1230         if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1231             > len) {
1232                 ath6kl_dbg(ATH6KL_DBG_WMI, "truncated neighbor event "
1233                            "(num=%d len=%d)\n", ev->num_neighbors, len);
1234                 return -EINVAL;
1235         }
1236         for (i = 0; i < ev->num_neighbors; i++) {
1237                 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1238                            i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1239                            ev->neighbor[i].bss_flags);
1240                 cfg80211_pmksa_candidate_notify(vif->ndev, i,
1241                                                 ev->neighbor[i].bssid,
1242                                                 !!(ev->neighbor[i].bss_flags &
1243                                                    WMI_PREAUTH_CAPABLE_BSS),
1244                                                 GFP_ATOMIC);
1245         }
1246
1247         return 0;
1248 }
1249
1250 /*
1251  * Target is reporting a programming error.  This is for
1252  * developer aid only.  Target only checks a few common violations
1253  * and it is responsibility of host to do all error checking.
1254  * Behavior of target after wmi error event is undefined.
1255  * A reset is recommended.
1256  */
1257 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1258 {
1259         const char *type = "unknown error";
1260         struct wmi_cmd_error_event *ev;
1261         ev = (struct wmi_cmd_error_event *) datap;
1262
1263         switch (ev->err_code) {
1264         case INVALID_PARAM:
1265                 type = "invalid parameter";
1266                 break;
1267         case ILLEGAL_STATE:
1268                 type = "invalid state";
1269                 break;
1270         case INTERNAL_ERROR:
1271                 type = "internal error";
1272                 break;
1273         }
1274
1275         ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1276                    ev->cmd_id, type);
1277
1278         return 0;
1279 }
1280
1281 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1282                                      struct ath6kl_vif *vif)
1283 {
1284         ath6kl_tgt_stats_event(vif, datap, len);
1285
1286         return 0;
1287 }
1288
1289 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1290                                          struct sq_threshold_params *sq_thresh,
1291                                          u32 size)
1292 {
1293         u32 index;
1294         u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1295
1296         /* The list is already in sorted order. Get the next lower value */
1297         for (index = 0; index < size; index++) {
1298                 if (rssi < sq_thresh->upper_threshold[index]) {
1299                         threshold = (u8) sq_thresh->upper_threshold[index];
1300                         break;
1301                 }
1302         }
1303
1304         return threshold;
1305 }
1306
1307 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1308                                          struct sq_threshold_params *sq_thresh,
1309                                          u32 size)
1310 {
1311         u32 index;
1312         u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1313
1314         /* The list is already in sorted order. Get the next lower value */
1315         for (index = 0; index < size; index++) {
1316                 if (rssi > sq_thresh->lower_threshold[index]) {
1317                         threshold = (u8) sq_thresh->lower_threshold[index];
1318                         break;
1319                 }
1320         }
1321
1322         return threshold;
1323 }
1324
1325 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1326                         struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1327 {
1328         struct sk_buff *skb;
1329         struct wmi_rssi_threshold_params_cmd *cmd;
1330
1331         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1332         if (!skb)
1333                 return -ENOMEM;
1334
1335         cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1336         memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1337
1338         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1339                                    NO_SYNC_WMIFLAG);
1340 }
1341
1342 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1343                                               int len)
1344 {
1345         struct wmi_rssi_threshold_event *reply;
1346         struct wmi_rssi_threshold_params_cmd cmd;
1347         struct sq_threshold_params *sq_thresh;
1348         enum wmi_rssi_threshold_val new_threshold;
1349         u8 upper_rssi_threshold, lower_rssi_threshold;
1350         s16 rssi;
1351         int ret;
1352
1353         if (len < sizeof(struct wmi_rssi_threshold_event))
1354                 return -EINVAL;
1355
1356         reply = (struct wmi_rssi_threshold_event *) datap;
1357         new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1358         rssi = a_sle16_to_cpu(reply->rssi);
1359
1360         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1361
1362         /*
1363          * Identify the threshold breached and communicate that to the app.
1364          * After that install a new set of thresholds based on the signal
1365          * quality reported by the target
1366          */
1367         if (new_threshold) {
1368                 /* Upper threshold breached */
1369                 if (rssi < sq_thresh->upper_threshold[0]) {
1370                         ath6kl_dbg(ATH6KL_DBG_WMI,
1371                                    "spurious upper rssi threshold event: %d\n",
1372                                    rssi);
1373                 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1374                            (rssi >= sq_thresh->upper_threshold[0])) {
1375                         new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1376                 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1377                            (rssi >= sq_thresh->upper_threshold[1])) {
1378                         new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1379                 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1380                            (rssi >= sq_thresh->upper_threshold[2])) {
1381                         new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1382                 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1383                            (rssi >= sq_thresh->upper_threshold[3])) {
1384                         new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1385                 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1386                            (rssi >= sq_thresh->upper_threshold[4])) {
1387                         new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1388                 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1389                         new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1390                 }
1391         } else {
1392                 /* Lower threshold breached */
1393                 if (rssi > sq_thresh->lower_threshold[0]) {
1394                         ath6kl_dbg(ATH6KL_DBG_WMI,
1395                                    "spurious lower rssi threshold event: %d %d\n",
1396                                 rssi, sq_thresh->lower_threshold[0]);
1397                 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1398                            (rssi <= sq_thresh->lower_threshold[0])) {
1399                         new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1400                 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1401                            (rssi <= sq_thresh->lower_threshold[1])) {
1402                         new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1403                 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1404                            (rssi <= sq_thresh->lower_threshold[2])) {
1405                         new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1406                 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1407                            (rssi <= sq_thresh->lower_threshold[3])) {
1408                         new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1409                 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1410                            (rssi <= sq_thresh->lower_threshold[4])) {
1411                         new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1412                 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1413                         new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1414                 }
1415         }
1416
1417         /* Calculate and install the next set of thresholds */
1418         lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1419                                        sq_thresh->lower_threshold_valid_count);
1420         upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1421                                        sq_thresh->upper_threshold_valid_count);
1422
1423         /* Issue a wmi command to install the thresholds */
1424         cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1425         cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1426         cmd.weight = sq_thresh->weight;
1427         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1428
1429         ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1430         if (ret) {
1431                 ath6kl_err("unable to configure rssi thresholds\n");
1432                 return -EIO;
1433         }
1434
1435         return 0;
1436 }
1437
1438 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1439                                    struct ath6kl_vif *vif)
1440 {
1441         struct wmi_cac_event *reply;
1442         struct ieee80211_tspec_ie *ts;
1443         u16 active_tsids, tsinfo;
1444         u8 tsid, index;
1445         u8 ts_id;
1446
1447         if (len < sizeof(struct wmi_cac_event))
1448                 return -EINVAL;
1449
1450         reply = (struct wmi_cac_event *) datap;
1451
1452         if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1453             (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1454
1455                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1456                 tsinfo = le16_to_cpu(ts->tsinfo);
1457                 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1458                         IEEE80211_WMM_IE_TSPEC_TID_MASK;
1459
1460                 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1461                                               reply->ac, tsid);
1462         } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1463                 /*
1464                  * Following assumes that there is only one outstanding
1465                  * ADDTS request when this event is received
1466                  */
1467                 spin_lock_bh(&wmi->lock);
1468                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1469                 spin_unlock_bh(&wmi->lock);
1470
1471                 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1472                         if ((active_tsids >> index) & 1)
1473                                 break;
1474                 }
1475                 if (index < (sizeof(active_tsids) * 8))
1476                         ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1477                                                       reply->ac, index);
1478         }
1479
1480         /*
1481          * Clear active tsids and Add missing handling
1482          * for delete qos stream from AP
1483          */
1484         else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1485
1486                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1487                 tsinfo = le16_to_cpu(ts->tsinfo);
1488                 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1489                          IEEE80211_WMM_IE_TSPEC_TID_MASK);
1490
1491                 spin_lock_bh(&wmi->lock);
1492                 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1493                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1494                 spin_unlock_bh(&wmi->lock);
1495
1496                 /* Indicate stream inactivity to driver layer only if all tsids
1497                  * within this AC are deleted.
1498                  */
1499                 if (!active_tsids) {
1500                         ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1501                                                     false);
1502                         wmi->fat_pipe_exist &= ~(1 << reply->ac);
1503                 }
1504         }
1505
1506         return 0;
1507 }
1508
1509 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1510                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1511 {
1512         struct sk_buff *skb;
1513         struct wmi_snr_threshold_params_cmd *cmd;
1514
1515         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1516         if (!skb)
1517                 return -ENOMEM;
1518
1519         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1520         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1521
1522         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1523                                    NO_SYNC_WMIFLAG);
1524 }
1525
1526 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1527                                              int len)
1528 {
1529         struct wmi_snr_threshold_event *reply;
1530         struct sq_threshold_params *sq_thresh;
1531         struct wmi_snr_threshold_params_cmd cmd;
1532         enum wmi_snr_threshold_val new_threshold;
1533         u8 upper_snr_threshold, lower_snr_threshold;
1534         s16 snr;
1535         int ret;
1536
1537         if (len < sizeof(struct wmi_snr_threshold_event))
1538                 return -EINVAL;
1539
1540         reply = (struct wmi_snr_threshold_event *) datap;
1541
1542         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1543         snr = reply->snr;
1544
1545         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1546
1547         /*
1548          * Identify the threshold breached and communicate that to the app.
1549          * After that install a new set of thresholds based on the signal
1550          * quality reported by the target.
1551          */
1552         if (new_threshold) {
1553                 /* Upper threshold breached */
1554                 if (snr < sq_thresh->upper_threshold[0]) {
1555                         ath6kl_dbg(ATH6KL_DBG_WMI,
1556                                    "spurious upper snr threshold event: %d\n",
1557                                    snr);
1558                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1559                            (snr >= sq_thresh->upper_threshold[0])) {
1560                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1561                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1562                            (snr >= sq_thresh->upper_threshold[1])) {
1563                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1564                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1565                            (snr >= sq_thresh->upper_threshold[2])) {
1566                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1567                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1568                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1569                 }
1570         } else {
1571                 /* Lower threshold breached */
1572                 if (snr > sq_thresh->lower_threshold[0]) {
1573                         ath6kl_dbg(ATH6KL_DBG_WMI,
1574                                    "spurious lower snr threshold event: %d\n",
1575                                    sq_thresh->lower_threshold[0]);
1576                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1577                            (snr <= sq_thresh->lower_threshold[0])) {
1578                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1579                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1580                            (snr <= sq_thresh->lower_threshold[1])) {
1581                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1582                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1583                            (snr <= sq_thresh->lower_threshold[2])) {
1584                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1585                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1586                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1587                 }
1588         }
1589
1590         /* Calculate and install the next set of thresholds */
1591         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1592                                        sq_thresh->lower_threshold_valid_count);
1593         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1594                                        sq_thresh->upper_threshold_valid_count);
1595
1596         /* Issue a wmi command to install the thresholds */
1597         cmd.thresh_above1_val = upper_snr_threshold;
1598         cmd.thresh_below1_val = lower_snr_threshold;
1599         cmd.weight = sq_thresh->weight;
1600         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1601
1602         ath6kl_dbg(ATH6KL_DBG_WMI,
1603                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1604                    snr, new_threshold,
1605                    lower_snr_threshold, upper_snr_threshold);
1606
1607         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1608         if (ret) {
1609                 ath6kl_err("unable to configure snr threshold\n");
1610                 return -EIO;
1611         }
1612
1613         return 0;
1614 }
1615
1616 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1617 {
1618         u16 ap_info_entry_size;
1619         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1620         struct wmi_ap_info_v1 *ap_info_v1;
1621         u8 index;
1622
1623         if (len < sizeof(struct wmi_aplist_event) ||
1624             ev->ap_list_ver != APLIST_VER1)
1625                 return -EINVAL;
1626
1627         ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1628         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1629
1630         ath6kl_dbg(ATH6KL_DBG_WMI,
1631                    "number of APs in aplist event: %d\n", ev->num_ap);
1632
1633         if (len < (int) (sizeof(struct wmi_aplist_event) +
1634                          (ev->num_ap - 1) * ap_info_entry_size))
1635                 return -EINVAL;
1636
1637         /* AP list version 1 contents */
1638         for (index = 0; index < ev->num_ap; index++) {
1639                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1640                            index, ap_info_v1->bssid, ap_info_v1->channel);
1641                 ap_info_v1++;
1642         }
1643
1644         return 0;
1645 }
1646
1647 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1648                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1649 {
1650         struct wmi_cmd_hdr *cmd_hdr;
1651         enum htc_endpoint_id ep_id = wmi->ep_id;
1652         int ret;
1653         u16 info1;
1654
1655         if (WARN_ON(skb == NULL || (if_idx > (wmi->parent_dev->vif_max - 1))))
1656                 return -EINVAL;
1657
1658         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1659                    cmd_id, skb->len, sync_flag);
1660         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1661                         skb->data, skb->len);
1662
1663         if (sync_flag >= END_WMIFLAG) {
1664                 dev_kfree_skb(skb);
1665                 return -EINVAL;
1666         }
1667
1668         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1669             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1670                 /*
1671                  * Make sure all data currently queued is transmitted before
1672                  * the cmd execution.  Establish a new sync point.
1673                  */
1674                 ath6kl_wmi_sync_point(wmi, if_idx);
1675         }
1676
1677         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1678
1679         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1680         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1681         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1682         cmd_hdr->info1 = cpu_to_le16(info1);
1683
1684         /* Only for OPT_TX_CMD, use BE endpoint. */
1685         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1686                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1687                                               false, false, 0, NULL, if_idx);
1688                 if (ret) {
1689                         dev_kfree_skb(skb);
1690                         return ret;
1691                 }
1692                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1693         }
1694
1695         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1696
1697         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1698             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1699                 /*
1700                  * Make sure all new data queued waits for the command to
1701                  * execute. Establish a new sync point.
1702                  */
1703                 ath6kl_wmi_sync_point(wmi, if_idx);
1704         }
1705
1706         return 0;
1707 }
1708
1709 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1710                            enum network_type nw_type,
1711                            enum dot11_auth_mode dot11_auth_mode,
1712                            enum auth_mode auth_mode,
1713                            enum crypto_type pairwise_crypto,
1714                            u8 pairwise_crypto_len,
1715                            enum crypto_type group_crypto,
1716                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1717                            u8 *bssid, u16 channel, u32 ctrl_flags,
1718                            u8 nw_subtype)
1719 {
1720         struct sk_buff *skb;
1721         struct wmi_connect_cmd *cc;
1722         int ret;
1723
1724         ath6kl_dbg(ATH6KL_DBG_WMI,
1725                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1726                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1727                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1728                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1729         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1730
1731         wmi->traffic_class = 100;
1732
1733         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1734                 return -EINVAL;
1735
1736         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1737                 return -EINVAL;
1738
1739         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1740         if (!skb)
1741                 return -ENOMEM;
1742
1743         cc = (struct wmi_connect_cmd *) skb->data;
1744
1745         if (ssid_len)
1746                 memcpy(cc->ssid, ssid, ssid_len);
1747
1748         cc->ssid_len = ssid_len;
1749         cc->nw_type = nw_type;
1750         cc->dot11_auth_mode = dot11_auth_mode;
1751         cc->auth_mode = auth_mode;
1752         cc->prwise_crypto_type = pairwise_crypto;
1753         cc->prwise_crypto_len = pairwise_crypto_len;
1754         cc->grp_crypto_type = group_crypto;
1755         cc->grp_crypto_len = group_crypto_len;
1756         cc->ch = cpu_to_le16(channel);
1757         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1758         cc->nw_subtype = nw_subtype;
1759
1760         if (bssid != NULL)
1761                 memcpy(cc->bssid, bssid, ETH_ALEN);
1762
1763         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1764                                   NO_SYNC_WMIFLAG);
1765
1766         return ret;
1767 }
1768
1769 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1770                              u16 channel)
1771 {
1772         struct sk_buff *skb;
1773         struct wmi_reconnect_cmd *cc;
1774         int ret;
1775
1776         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1777                    bssid, channel);
1778
1779         wmi->traffic_class = 100;
1780
1781         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1782         if (!skb)
1783                 return -ENOMEM;
1784
1785         cc = (struct wmi_reconnect_cmd *) skb->data;
1786         cc->channel = cpu_to_le16(channel);
1787
1788         if (bssid != NULL)
1789                 memcpy(cc->bssid, bssid, ETH_ALEN);
1790
1791         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1792                                   NO_SYNC_WMIFLAG);
1793
1794         return ret;
1795 }
1796
1797 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1798 {
1799         int ret;
1800
1801         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1802
1803         wmi->traffic_class = 100;
1804
1805         /* Disconnect command does not need to do a SYNC before. */
1806         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1807
1808         return ret;
1809 }
1810
1811 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1812                              enum wmi_scan_type scan_type,
1813                              u32 force_fgscan, u32 is_legacy,
1814                              u32 home_dwell_time, u32 force_scan_interval,
1815                              s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
1816 {
1817         struct sk_buff *skb;
1818         struct wmi_begin_scan_cmd *sc;
1819         s8 size;
1820         int i, band, ret;
1821         struct ath6kl *ar = wmi->parent_dev;
1822         int num_rates;
1823
1824         size = sizeof(struct wmi_begin_scan_cmd);
1825
1826         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1827                 return -EINVAL;
1828
1829         if (num_chan > WMI_MAX_CHANNELS)
1830                 return -EINVAL;
1831
1832         if (num_chan)
1833                 size += sizeof(u16) * (num_chan - 1);
1834
1835         skb = ath6kl_wmi_get_new_buf(size);
1836         if (!skb)
1837                 return -ENOMEM;
1838
1839         sc = (struct wmi_begin_scan_cmd *) skb->data;
1840         sc->scan_type = scan_type;
1841         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1842         sc->is_legacy = cpu_to_le32(is_legacy);
1843         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1844         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1845         sc->no_cck = cpu_to_le32(no_cck);
1846         sc->num_ch = num_chan;
1847
1848         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
1849                 struct ieee80211_supported_band *sband =
1850                     ar->wiphy->bands[band];
1851                 u32 ratemask = rates[band];
1852                 u8 *supp_rates = sc->supp_rates[band].rates;
1853                 num_rates = 0;
1854
1855                 for (i = 0; i < sband->n_bitrates; i++) {
1856                         if ((BIT(i) & ratemask) == 0)
1857                                 continue; /* skip rate */
1858                         supp_rates[num_rates++] =
1859                             (u8) (sband->bitrates[i].bitrate / 5);
1860                 }
1861                 sc->supp_rates[band].nrates = num_rates;
1862         }
1863
1864         for (i = 0; i < num_chan; i++)
1865                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1866
1867         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
1868                                   NO_SYNC_WMIFLAG);
1869
1870         return ret;
1871 }
1872
1873 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1874  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1875  * mgmt operations using station interface.
1876  */
1877 int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1878                              enum wmi_scan_type scan_type,
1879                              u32 force_fgscan, u32 is_legacy,
1880                              u32 home_dwell_time, u32 force_scan_interval,
1881                              s8 num_chan, u16 *ch_list)
1882 {
1883         struct sk_buff *skb;
1884         struct wmi_start_scan_cmd *sc;
1885         s8 size;
1886         int i, ret;
1887
1888         size = sizeof(struct wmi_start_scan_cmd);
1889
1890         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1891                 return -EINVAL;
1892
1893         if (num_chan > WMI_MAX_CHANNELS)
1894                 return -EINVAL;
1895
1896         if (num_chan)
1897                 size += sizeof(u16) * (num_chan - 1);
1898
1899         skb = ath6kl_wmi_get_new_buf(size);
1900         if (!skb)
1901                 return -ENOMEM;
1902
1903         sc = (struct wmi_start_scan_cmd *) skb->data;
1904         sc->scan_type = scan_type;
1905         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1906         sc->is_legacy = cpu_to_le32(is_legacy);
1907         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1908         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1909         sc->num_ch = num_chan;
1910
1911         for (i = 0; i < num_chan; i++)
1912                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1913
1914         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1915                                   NO_SYNC_WMIFLAG);
1916
1917         return ret;
1918 }
1919
1920 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
1921                               u16 fg_start_sec,
1922                               u16 fg_end_sec, u16 bg_sec,
1923                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
1924                               u16 pas_chdw_msec, u8 short_scan_ratio,
1925                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
1926                               u16 maxact_scan_per_ssid)
1927 {
1928         struct sk_buff *skb;
1929         struct wmi_scan_params_cmd *sc;
1930         int ret;
1931
1932         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
1933         if (!skb)
1934                 return -ENOMEM;
1935
1936         sc = (struct wmi_scan_params_cmd *) skb->data;
1937         sc->fg_start_period = cpu_to_le16(fg_start_sec);
1938         sc->fg_end_period = cpu_to_le16(fg_end_sec);
1939         sc->bg_period = cpu_to_le16(bg_sec);
1940         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
1941         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
1942         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
1943         sc->short_scan_ratio = short_scan_ratio;
1944         sc->scan_ctrl_flags = scan_ctrl_flag;
1945         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
1946         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
1947
1948         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
1949                                   NO_SYNC_WMIFLAG);
1950         return ret;
1951 }
1952
1953 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
1954 {
1955         struct sk_buff *skb;
1956         struct wmi_bss_filter_cmd *cmd;
1957         int ret;
1958
1959         if (filter >= LAST_BSS_FILTER)
1960                 return -EINVAL;
1961
1962         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1963         if (!skb)
1964                 return -ENOMEM;
1965
1966         cmd = (struct wmi_bss_filter_cmd *) skb->data;
1967         cmd->bss_filter = filter;
1968         cmd->ie_mask = cpu_to_le32(ie_mask);
1969
1970         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
1971                                   NO_SYNC_WMIFLAG);
1972         return ret;
1973 }
1974
1975 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
1976                               u8 ssid_len, u8 *ssid)
1977 {
1978         struct sk_buff *skb;
1979         struct wmi_probed_ssid_cmd *cmd;
1980         int ret;
1981
1982         if (index > MAX_PROBED_SSID_INDEX)
1983                 return -EINVAL;
1984
1985         if (ssid_len > sizeof(cmd->ssid))
1986                 return -EINVAL;
1987
1988         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
1989                 return -EINVAL;
1990
1991         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
1992                 return -EINVAL;
1993
1994         if (flag & SPECIFIC_SSID_FLAG)
1995                 wmi->is_probe_ssid = true;
1996
1997         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1998         if (!skb)
1999                 return -ENOMEM;
2000
2001         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2002         cmd->entry_index = index;
2003         cmd->flag = flag;
2004         cmd->ssid_len = ssid_len;
2005         memcpy(cmd->ssid, ssid, ssid_len);
2006
2007         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2008                                   NO_SYNC_WMIFLAG);
2009         return ret;
2010 }
2011
2012 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2013                                   u16 listen_interval,
2014                                   u16 listen_beacons)
2015 {
2016         struct sk_buff *skb;
2017         struct wmi_listen_int_cmd *cmd;
2018         int ret;
2019
2020         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2021         if (!skb)
2022                 return -ENOMEM;
2023
2024         cmd = (struct wmi_listen_int_cmd *) skb->data;
2025         cmd->listen_intvl = cpu_to_le16(listen_interval);
2026         cmd->num_beacons = cpu_to_le16(listen_beacons);
2027
2028         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2029                                   NO_SYNC_WMIFLAG);
2030         return ret;
2031 }
2032
2033 int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2034                              u16 bmiss_time, u16 num_beacons)
2035 {
2036         struct sk_buff *skb;
2037         struct wmi_bmiss_time_cmd *cmd;
2038         int ret;
2039
2040         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2041         if (!skb)
2042                 return -ENOMEM;
2043
2044         cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2045         cmd->bmiss_time = cpu_to_le16(bmiss_time);
2046         cmd->num_beacons = cpu_to_le16(num_beacons);
2047
2048         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2049                                   NO_SYNC_WMIFLAG);
2050         return ret;
2051 }
2052
2053 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2054 {
2055         struct sk_buff *skb;
2056         struct wmi_power_mode_cmd *cmd;
2057         int ret;
2058
2059         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2060         if (!skb)
2061                 return -ENOMEM;
2062
2063         cmd = (struct wmi_power_mode_cmd *) skb->data;
2064         cmd->pwr_mode = pwr_mode;
2065         wmi->pwr_mode = pwr_mode;
2066
2067         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2068                                   NO_SYNC_WMIFLAG);
2069         return ret;
2070 }
2071
2072 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2073                             u16 ps_poll_num, u16 dtim_policy,
2074                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2075                             u16 ps_fail_event_policy)
2076 {
2077         struct sk_buff *skb;
2078         struct wmi_power_params_cmd *pm;
2079         int ret;
2080
2081         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2082         if (!skb)
2083                 return -ENOMEM;
2084
2085         pm = (struct wmi_power_params_cmd *)skb->data;
2086         pm->idle_period = cpu_to_le16(idle_period);
2087         pm->pspoll_number = cpu_to_le16(ps_poll_num);
2088         pm->dtim_policy = cpu_to_le16(dtim_policy);
2089         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2090         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2091         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2092
2093         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2094                                   NO_SYNC_WMIFLAG);
2095         return ret;
2096 }
2097
2098 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2099 {
2100         struct sk_buff *skb;
2101         struct wmi_disc_timeout_cmd *cmd;
2102         int ret;
2103
2104         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2105         if (!skb)
2106                 return -ENOMEM;
2107
2108         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2109         cmd->discon_timeout = timeout;
2110
2111         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2112                                   NO_SYNC_WMIFLAG);
2113
2114         if (ret == 0)
2115                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2116
2117         return ret;
2118 }
2119
2120 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2121                           enum crypto_type key_type,
2122                           u8 key_usage, u8 key_len,
2123                           u8 *key_rsc, unsigned int key_rsc_len,
2124                           u8 *key_material,
2125                           u8 key_op_ctrl, u8 *mac_addr,
2126                           enum wmi_sync_flag sync_flag)
2127 {
2128         struct sk_buff *skb;
2129         struct wmi_add_cipher_key_cmd *cmd;
2130         int ret;
2131
2132         ath6kl_dbg(ATH6KL_DBG_WMI, "addkey cmd: key_index=%u key_type=%d "
2133                    "key_usage=%d key_len=%d key_op_ctrl=%d\n",
2134                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2135
2136         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2137             (key_material == NULL) || key_rsc_len > 8)
2138                 return -EINVAL;
2139
2140         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2141                 return -EINVAL;
2142
2143         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2144         if (!skb)
2145                 return -ENOMEM;
2146
2147         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2148         cmd->key_index = key_index;
2149         cmd->key_type = key_type;
2150         cmd->key_usage = key_usage;
2151         cmd->key_len = key_len;
2152         memcpy(cmd->key, key_material, key_len);
2153
2154         if (key_rsc != NULL)
2155                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2156
2157         cmd->key_op_ctrl = key_op_ctrl;
2158
2159         if (mac_addr)
2160                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2161
2162         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2163                                   sync_flag);
2164
2165         return ret;
2166 }
2167
2168 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk)
2169 {
2170         struct sk_buff *skb;
2171         struct wmi_add_krk_cmd *cmd;
2172         int ret;
2173
2174         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2175         if (!skb)
2176                 return -ENOMEM;
2177
2178         cmd = (struct wmi_add_krk_cmd *) skb->data;
2179         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2180
2181         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2182                                   NO_SYNC_WMIFLAG);
2183
2184         return ret;
2185 }
2186
2187 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2188 {
2189         struct sk_buff *skb;
2190         struct wmi_delete_cipher_key_cmd *cmd;
2191         int ret;
2192
2193         if (key_index > WMI_MAX_KEY_INDEX)
2194                 return -EINVAL;
2195
2196         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2197         if (!skb)
2198                 return -ENOMEM;
2199
2200         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2201         cmd->key_index = key_index;
2202
2203         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2204                                   NO_SYNC_WMIFLAG);
2205
2206         return ret;
2207 }
2208
2209 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2210                             const u8 *pmkid, bool set)
2211 {
2212         struct sk_buff *skb;
2213         struct wmi_setpmkid_cmd *cmd;
2214         int ret;
2215
2216         if (bssid == NULL)
2217                 return -EINVAL;
2218
2219         if (set && pmkid == NULL)
2220                 return -EINVAL;
2221
2222         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2223         if (!skb)
2224                 return -ENOMEM;
2225
2226         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2227         memcpy(cmd->bssid, bssid, ETH_ALEN);
2228         if (set) {
2229                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2230                 cmd->enable = PMKID_ENABLE;
2231         } else {
2232                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2233                 cmd->enable = PMKID_DISABLE;
2234         }
2235
2236         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2237                                   NO_SYNC_WMIFLAG);
2238
2239         return ret;
2240 }
2241
2242 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2243                               enum htc_endpoint_id ep_id, u8 if_idx)
2244 {
2245         struct wmi_data_hdr *data_hdr;
2246         int ret;
2247
2248         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id))
2249                 return -EINVAL;
2250
2251         skb_push(skb, sizeof(struct wmi_data_hdr));
2252
2253         data_hdr = (struct wmi_data_hdr *) skb->data;
2254         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2255         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2256
2257         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2258
2259         return ret;
2260 }
2261
2262 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2263 {
2264         struct sk_buff *skb;
2265         struct wmi_sync_cmd *cmd;
2266         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2267         enum htc_endpoint_id ep_id;
2268         u8 index, num_pri_streams = 0;
2269         int ret = 0;
2270
2271         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2272
2273         spin_lock_bh(&wmi->lock);
2274
2275         for (index = 0; index < WMM_NUM_AC; index++) {
2276                 if (wmi->fat_pipe_exist & (1 << index)) {
2277                         num_pri_streams++;
2278                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2279                             index;
2280                 }
2281         }
2282
2283         spin_unlock_bh(&wmi->lock);
2284
2285         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2286         if (!skb) {
2287                 ret = -ENOMEM;
2288                 goto free_skb;
2289         }
2290
2291         cmd = (struct wmi_sync_cmd *) skb->data;
2292
2293         /*
2294          * In the SYNC cmd sent on the control Ep, send a bitmap
2295          * of the data eps on which the Data Sync will be sent
2296          */
2297         cmd->data_sync_map = wmi->fat_pipe_exist;
2298
2299         for (index = 0; index < num_pri_streams; index++) {
2300                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2301                 if (data_sync_bufs[index].skb == NULL) {
2302                         ret = -ENOMEM;
2303                         break;
2304                 }
2305         }
2306
2307         /*
2308          * If buffer allocation for any of the dataSync fails,
2309          * then do not send the Synchronize cmd on the control ep
2310          */
2311         if (ret)
2312                 goto free_skb;
2313
2314         /*
2315          * Send sync cmd followed by sync data messages on all
2316          * endpoints being used
2317          */
2318         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2319                                   NO_SYNC_WMIFLAG);
2320
2321         if (ret)
2322                 goto free_skb;
2323
2324         /* cmd buffer sent, we no longer own it */
2325         skb = NULL;
2326
2327         for (index = 0; index < num_pri_streams; index++) {
2328
2329                 if (WARN_ON(!data_sync_bufs[index].skb))
2330                         break;
2331
2332                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2333                                                data_sync_bufs[index].
2334                                                traffic_class);
2335                 ret =
2336                     ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2337                                               ep_id, if_idx);
2338
2339                 if (ret)
2340                         break;
2341
2342                 data_sync_bufs[index].skb = NULL;
2343         }
2344
2345 free_skb:
2346         /* free up any resources left over (possibly due to an error) */
2347         if (skb)
2348                 dev_kfree_skb(skb);
2349
2350         for (index = 0; index < num_pri_streams; index++) {
2351                 if (data_sync_bufs[index].skb != NULL) {
2352                         dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].
2353                                       skb);
2354                 }
2355         }
2356
2357         return ret;
2358 }
2359
2360 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2361                                   struct wmi_create_pstream_cmd *params)
2362 {
2363         struct sk_buff *skb;
2364         struct wmi_create_pstream_cmd *cmd;
2365         u8 fatpipe_exist_for_ac = 0;
2366         s32 min_phy = 0;
2367         s32 nominal_phy = 0;
2368         int ret;
2369
2370         if (!((params->user_pri < 8) &&
2371               (params->user_pri <= 0x7) &&
2372               (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2373               (params->traffic_direc == UPLINK_TRAFFIC ||
2374                params->traffic_direc == DNLINK_TRAFFIC ||
2375                params->traffic_direc == BIDIR_TRAFFIC) &&
2376               (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2377                params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2378               (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2379                params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2380                params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2381               (params->tsid == WMI_IMPLICIT_PSTREAM ||
2382                params->tsid <= WMI_MAX_THINSTREAM))) {
2383                 return -EINVAL;
2384         }
2385
2386         /*
2387          * Check nominal PHY rate is >= minimalPHY,
2388          * so that DUT can allow TSRS IE
2389          */
2390
2391         /* Get the physical rate (units of bps) */
2392         min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2393
2394         /* Check minimal phy < nominal phy rate */
2395         if (params->nominal_phy >= min_phy) {
2396                 /* unit of 500 kbps */
2397                 nominal_phy = (params->nominal_phy * 1000) / 500;
2398                 ath6kl_dbg(ATH6KL_DBG_WMI,
2399                            "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2400                            min_phy, nominal_phy);
2401
2402                 params->nominal_phy = nominal_phy;
2403         } else {
2404                 params->nominal_phy = 0;
2405         }
2406
2407         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2408         if (!skb)
2409                 return -ENOMEM;
2410
2411         ath6kl_dbg(ATH6KL_DBG_WMI,
2412                    "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2413                    params->traffic_class, params->tsid);
2414
2415         cmd = (struct wmi_create_pstream_cmd *) skb->data;
2416         memcpy(cmd, params, sizeof(*cmd));
2417
2418         /* This is an implicitly created Fat pipe */
2419         if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2420                 spin_lock_bh(&wmi->lock);
2421                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2422                                         (1 << params->traffic_class));
2423                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2424                 spin_unlock_bh(&wmi->lock);
2425         } else {
2426                 /* explicitly created thin stream within a fat pipe */
2427                 spin_lock_bh(&wmi->lock);
2428                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2429                                         (1 << params->traffic_class));
2430                 wmi->stream_exist_for_ac[params->traffic_class] |=
2431                     (1 << params->tsid);
2432                 /*
2433                  * If a thinstream becomes active, the fat pipe automatically
2434                  * becomes active
2435                  */
2436                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2437                 spin_unlock_bh(&wmi->lock);
2438         }
2439
2440         /*
2441          * Indicate activty change to driver layer only if this is the
2442          * first TSID to get created in this AC explicitly or an implicit
2443          * fat pipe is getting created.
2444          */
2445         if (!fatpipe_exist_for_ac)
2446                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2447                                             params->traffic_class, true);
2448
2449         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2450                                   NO_SYNC_WMIFLAG);
2451         return ret;
2452 }
2453
2454 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2455                                   u8 tsid)
2456 {
2457         struct sk_buff *skb;
2458         struct wmi_delete_pstream_cmd *cmd;
2459         u16 active_tsids = 0;
2460         int ret;
2461
2462         if (traffic_class > 3) {
2463                 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2464                 return -EINVAL;
2465         }
2466
2467         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2468         if (!skb)
2469                 return -ENOMEM;
2470
2471         cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2472         cmd->traffic_class = traffic_class;
2473         cmd->tsid = tsid;
2474
2475         spin_lock_bh(&wmi->lock);
2476         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2477         spin_unlock_bh(&wmi->lock);
2478
2479         if (!(active_tsids & (1 << tsid))) {
2480                 dev_kfree_skb(skb);
2481                 ath6kl_dbg(ATH6KL_DBG_WMI,
2482                            "TSID %d doesn't exist for traffic class: %d\n",
2483                            tsid, traffic_class);
2484                 return -ENODATA;
2485         }
2486
2487         ath6kl_dbg(ATH6KL_DBG_WMI,
2488                    "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2489                    traffic_class, tsid);
2490
2491         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2492                                   SYNC_BEFORE_WMIFLAG);
2493
2494         spin_lock_bh(&wmi->lock);
2495         wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2496         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2497         spin_unlock_bh(&wmi->lock);
2498
2499         /*
2500          * Indicate stream inactivity to driver layer only if all tsids
2501          * within this AC are deleted.
2502          */
2503         if (!active_tsids) {
2504                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2505                                             traffic_class, false);
2506                 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2507         }
2508
2509         return ret;
2510 }
2511
2512 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2513                           __be32 ips0, __be32 ips1)
2514 {
2515         struct sk_buff *skb;
2516         struct wmi_set_ip_cmd *cmd;
2517         int ret;
2518
2519         /* Multicast address are not valid */
2520         if (ipv4_is_multicast(ips0) ||
2521             ipv4_is_multicast(ips1))
2522                 return -EINVAL;
2523
2524         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2525         if (!skb)
2526                 return -ENOMEM;
2527
2528         cmd = (struct wmi_set_ip_cmd *) skb->data;
2529         cmd->ips[0] = ips0;
2530         cmd->ips[1] = ips1;
2531
2532         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2533                                   NO_SYNC_WMIFLAG);
2534         return ret;
2535 }
2536
2537 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2538 {
2539         u16 active_tsids;
2540         u8 stream_exist;
2541         int i;
2542
2543         /*
2544          * Relinquish credits from all implicitly created pstreams
2545          * since when we go to sleep. If user created explicit
2546          * thinstreams exists with in a fatpipe leave them intact
2547          * for the user to delete.
2548          */
2549         spin_lock_bh(&wmi->lock);
2550         stream_exist = wmi->fat_pipe_exist;
2551         spin_unlock_bh(&wmi->lock);
2552
2553         for (i = 0; i < WMM_NUM_AC; i++) {
2554                 if (stream_exist & (1 << i)) {
2555
2556                         /*
2557                          * FIXME: Is this lock & unlock inside
2558                          * for loop correct? may need rework.
2559                          */
2560                         spin_lock_bh(&wmi->lock);
2561                         active_tsids = wmi->stream_exist_for_ac[i];
2562                         spin_unlock_bh(&wmi->lock);
2563
2564                         /*
2565                          * If there are no user created thin streams
2566                          * delete the fatpipe
2567                          */
2568                         if (!active_tsids) {
2569                                 stream_exist &= ~(1 << i);
2570                                 /*
2571                                  * Indicate inactivity to driver layer for
2572                                  * this fatpipe (pstream)
2573                                  */
2574                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2575                                                             i, false);
2576                         }
2577                 }
2578         }
2579
2580         /* FIXME: Can we do this assignment without locking ? */
2581         spin_lock_bh(&wmi->lock);
2582         wmi->fat_pipe_exist = stream_exist;
2583         spin_unlock_bh(&wmi->lock);
2584 }
2585
2586 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2587                                        enum ath6kl_host_mode host_mode)
2588 {
2589         struct sk_buff *skb;
2590         struct wmi_set_host_sleep_mode_cmd *cmd;
2591         int ret;
2592
2593         if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2594             (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2595                 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2596                 return -EINVAL;
2597         }
2598
2599         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2600         if (!skb)
2601                 return -ENOMEM;
2602
2603         cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2604
2605         if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2606                 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2607                 cmd->asleep = cpu_to_le32(1);
2608         } else
2609                 cmd->awake = cpu_to_le32(1);
2610
2611         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2612                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2613                                   NO_SYNC_WMIFLAG);
2614         return ret;
2615 }
2616
2617 /* This command has zero length payload */
2618 static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2619                                                       struct ath6kl_vif *vif)
2620 {
2621         struct ath6kl *ar = wmi->parent_dev;
2622
2623         set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2624         wake_up(&ar->event_wq);
2625
2626         return 0;
2627 }
2628
2629 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2630                                 enum ath6kl_wow_mode wow_mode,
2631                                 u32 filter, u16 host_req_delay)
2632 {
2633         struct sk_buff *skb;
2634         struct wmi_set_wow_mode_cmd *cmd;
2635         int ret;
2636
2637         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2638             wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2639                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2640                 return -EINVAL;
2641         }
2642
2643         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2644         if (!skb)
2645                 return -ENOMEM;
2646
2647         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2648         cmd->enable_wow = cpu_to_le32(wow_mode);
2649         cmd->filter = cpu_to_le32(filter);
2650         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2651
2652         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2653                                   NO_SYNC_WMIFLAG);
2654         return ret;
2655 }
2656
2657 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2658                                    u8 list_id, u8 filter_size,
2659                                    u8 filter_offset, const u8 *filter,
2660                                    const u8 *mask)
2661 {
2662         struct sk_buff *skb;
2663         struct wmi_add_wow_pattern_cmd *cmd;
2664         u16 size;
2665         u8 *filter_mask;
2666         int ret;
2667
2668         /*
2669          * Allocate additional memory in the buffer to hold
2670          * filter and mask value, which is twice of filter_size.
2671          */
2672         size = sizeof(*cmd) + (2 * filter_size);
2673
2674         skb = ath6kl_wmi_get_new_buf(size);
2675         if (!skb)
2676                 return -ENOMEM;
2677
2678         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2679         cmd->filter_list_id = list_id;
2680         cmd->filter_size = filter_size;
2681         cmd->filter_offset = filter_offset;
2682
2683         memcpy(cmd->filter, filter, filter_size);
2684
2685         filter_mask = (u8 *) (cmd->filter + filter_size);
2686         memcpy(filter_mask, mask, filter_size);
2687
2688         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2689                                   NO_SYNC_WMIFLAG);
2690
2691         return ret;
2692 }
2693
2694 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2695                                    u16 list_id, u16 filter_id)
2696 {
2697         struct sk_buff *skb;
2698         struct wmi_del_wow_pattern_cmd *cmd;
2699         int ret;
2700
2701         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2702         if (!skb)
2703                 return -ENOMEM;
2704
2705         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2706         cmd->filter_list_id = cpu_to_le16(list_id);
2707         cmd->filter_id = cpu_to_le16(filter_id);
2708
2709         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2710                                   NO_SYNC_WMIFLAG);
2711         return ret;
2712 }
2713
2714 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2715                                     enum wmix_command_id cmd_id,
2716                                     enum wmi_sync_flag sync_flag)
2717 {
2718         struct wmix_cmd_hdr *cmd_hdr;
2719         int ret;
2720
2721         skb_push(skb, sizeof(struct wmix_cmd_hdr));
2722
2723         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2724         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2725
2726         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
2727
2728         return ret;
2729 }
2730
2731 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2732 {
2733         struct sk_buff *skb;
2734         struct wmix_hb_challenge_resp_cmd *cmd;
2735         int ret;
2736
2737         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2738         if (!skb)
2739                 return -ENOMEM;
2740
2741         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
2742         cmd->cookie = cpu_to_le32(cookie);
2743         cmd->source = cpu_to_le32(source);
2744
2745         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
2746                                        NO_SYNC_WMIFLAG);
2747         return ret;
2748 }
2749
2750 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
2751 {
2752         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
2753         struct sk_buff *skb;
2754         int ret;
2755
2756         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2757         if (!skb)
2758                 return -ENOMEM;
2759
2760         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
2761         cmd->valid = cpu_to_le32(valid);
2762         cmd->config = cpu_to_le32(config);
2763
2764         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
2765                                        NO_SYNC_WMIFLAG);
2766         return ret;
2767 }
2768
2769 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
2770 {
2771         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
2772 }
2773
2774 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
2775 {
2776         struct sk_buff *skb;
2777         struct wmi_set_tx_pwr_cmd *cmd;
2778         int ret;
2779
2780         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
2781         if (!skb)
2782                 return -ENOMEM;
2783
2784         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
2785         cmd->dbM = dbM;
2786
2787         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
2788                                   NO_SYNC_WMIFLAG);
2789
2790         return ret;
2791 }
2792
2793 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
2794 {
2795         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
2796 }
2797
2798 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
2799 {
2800         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
2801 }
2802
2803 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
2804                                  u8 preamble_policy)
2805 {
2806         struct sk_buff *skb;
2807         struct wmi_set_lpreamble_cmd *cmd;
2808         int ret;
2809
2810         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
2811         if (!skb)
2812                 return -ENOMEM;
2813
2814         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
2815         cmd->status = status;
2816         cmd->preamble_policy = preamble_policy;
2817
2818         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
2819                                   NO_SYNC_WMIFLAG);
2820         return ret;
2821 }
2822
2823 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
2824 {
2825         struct sk_buff *skb;
2826         struct wmi_set_rts_cmd *cmd;
2827         int ret;
2828
2829         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
2830         if (!skb)
2831                 return -ENOMEM;
2832
2833         cmd = (struct wmi_set_rts_cmd *) skb->data;
2834         cmd->threshold = cpu_to_le16(threshold);
2835
2836         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
2837                                   NO_SYNC_WMIFLAG);
2838         return ret;
2839 }
2840
2841 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
2842 {
2843         struct sk_buff *skb;
2844         struct wmi_set_wmm_txop_cmd *cmd;
2845         int ret;
2846
2847         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
2848                 return -EINVAL;
2849
2850         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
2851         if (!skb)
2852                 return -ENOMEM;
2853
2854         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
2855         cmd->txop_enable = cfg;
2856
2857         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
2858                                   NO_SYNC_WMIFLAG);
2859         return ret;
2860 }
2861
2862 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
2863                                  u8 keep_alive_intvl)
2864 {
2865         struct sk_buff *skb;
2866         struct wmi_set_keepalive_cmd *cmd;
2867         int ret;
2868
2869         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2870         if (!skb)
2871                 return -ENOMEM;
2872
2873         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
2874         cmd->keep_alive_intvl = keep_alive_intvl;
2875
2876         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
2877                                   NO_SYNC_WMIFLAG);
2878
2879         if (ret == 0)
2880                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
2881
2882         return ret;
2883 }
2884
2885 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
2886 {
2887         struct sk_buff *skb;
2888         int ret;
2889
2890         skb = ath6kl_wmi_get_new_buf(len);
2891         if (!skb)
2892                 return -ENOMEM;
2893
2894         memcpy(skb->data, buf, len);
2895
2896         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
2897
2898         return ret;
2899 }
2900
2901 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
2902 {
2903         struct sk_buff *skb;
2904         struct wmi_mcast_filter_cmd *cmd;
2905         int ret;
2906
2907         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2908         if (!skb)
2909                 return -ENOMEM;
2910
2911         cmd = (struct wmi_mcast_filter_cmd *) skb->data;
2912         cmd->mcast_all_enable = mc_all_on;
2913
2914         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
2915                                   NO_SYNC_WMIFLAG);
2916         return ret;
2917 }
2918
2919 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
2920                                         u8 *filter, bool add_filter)
2921 {
2922         struct sk_buff *skb;
2923         struct wmi_mcast_filter_add_del_cmd *cmd;
2924         int ret;
2925
2926         if ((filter[0] != 0x33 || filter[1] != 0x33) &&
2927             (filter[0] != 0x01 || filter[1] != 0x00 ||
2928             filter[2] != 0x5e || filter[3] > 0x7f)) {
2929                 ath6kl_warn("invalid multicast filter address\n");
2930                 return -EINVAL;
2931         }
2932
2933         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2934         if (!skb)
2935                 return -ENOMEM;
2936
2937         cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
2938         memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
2939         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2940                                   add_filter ? WMI_SET_MCAST_FILTER_CMDID :
2941                                   WMI_DEL_MCAST_FILTER_CMDID,
2942                                   NO_SYNC_WMIFLAG);
2943
2944         return ret;
2945 }
2946
2947 s32 ath6kl_wmi_get_rate(s8 rate_index)
2948 {
2949         if (rate_index == RATE_AUTO)
2950                 return 0;
2951
2952         return wmi_rate_tbl[(u32) rate_index][0];
2953 }
2954
2955 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
2956                                               u32 len)
2957 {
2958         struct wmi_pmkid_list_reply *reply;
2959         u32 expected_len;
2960
2961         if (len < sizeof(struct wmi_pmkid_list_reply))
2962                 return -EINVAL;
2963
2964         reply = (struct wmi_pmkid_list_reply *)datap;
2965         expected_len = sizeof(reply->num_pmkid) +
2966                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
2967
2968         if (len < expected_len)
2969                 return -EINVAL;
2970
2971         return 0;
2972 }
2973
2974 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2975                                          struct ath6kl_vif *vif)
2976 {
2977         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
2978
2979         aggr_recv_addba_req_evt(vif, cmd->tid,
2980                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
2981
2982         return 0;
2983 }
2984
2985 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2986                                          struct ath6kl_vif *vif)
2987 {
2988         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
2989
2990         aggr_recv_delba_req_evt(vif, cmd->tid);
2991
2992         return 0;
2993 }
2994
2995 /*  AP mode functions */
2996
2997 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
2998                                  struct wmi_connect_cmd *p)
2999 {
3000         struct sk_buff *skb;
3001         struct wmi_connect_cmd *cm;
3002         int res;
3003
3004         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3005         if (!skb)
3006                 return -ENOMEM;
3007
3008         cm = (struct wmi_connect_cmd *) skb->data;
3009         memcpy(cm, p, sizeof(*cm));
3010
3011         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3012                                   NO_SYNC_WMIFLAG);
3013         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: nw_type=%u auth_mode=%u ch=%u "
3014                    "ctrl_flags=0x%x-> res=%d\n",
3015                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3016                    le32_to_cpu(p->ctrl_flags), res);
3017         return res;
3018 }
3019
3020 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3021                            u16 reason)
3022 {
3023         struct sk_buff *skb;
3024         struct wmi_ap_set_mlme_cmd *cm;
3025
3026         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3027         if (!skb)
3028                 return -ENOMEM;
3029
3030         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3031         memcpy(cm->mac, mac, ETH_ALEN);
3032         cm->reason = cpu_to_le16(reason);
3033         cm->cmd = cmd;
3034
3035         ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3036                    cm->reason);
3037
3038         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3039                                    NO_SYNC_WMIFLAG);
3040 }
3041
3042 int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3043 {
3044         struct sk_buff *skb;
3045         struct wmi_ap_hidden_ssid_cmd *cmd;
3046
3047         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3048         if (!skb)
3049                 return -ENOMEM;
3050
3051         cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3052         cmd->hidden_ssid = enable ? 1 : 0;
3053
3054         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3055                                    NO_SYNC_WMIFLAG);
3056 }
3057
3058 /* This command will be used to enable/disable AP uAPSD feature */
3059 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3060 {
3061         struct wmi_ap_set_apsd_cmd *cmd;
3062         struct sk_buff *skb;
3063
3064         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3065         if (!skb)
3066                 return -ENOMEM;
3067
3068         cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3069         cmd->enable = enable;
3070
3071         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3072                                    NO_SYNC_WMIFLAG);
3073 }
3074
3075 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3076                                              u16 aid, u16 bitmap, u32 flags)
3077 {
3078         struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3079         struct sk_buff *skb;
3080
3081         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3082         if (!skb)
3083                 return -ENOMEM;
3084
3085         cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3086         cmd->aid = cpu_to_le16(aid);
3087         cmd->bitmap = cpu_to_le16(bitmap);
3088         cmd->flags = cpu_to_le32(flags);
3089
3090         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3091                                    WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3092                                    NO_SYNC_WMIFLAG);
3093 }
3094
3095 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3096                                       struct ath6kl_vif *vif)
3097 {
3098         struct wmi_pspoll_event *ev;
3099
3100         if (len < sizeof(struct wmi_pspoll_event))
3101                 return -EINVAL;
3102
3103         ev = (struct wmi_pspoll_event *) datap;
3104
3105         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3106
3107         return 0;
3108 }
3109
3110 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3111                                           struct ath6kl_vif *vif)
3112 {
3113         ath6kl_dtimexpiry_event(vif);
3114
3115         return 0;
3116 }
3117
3118 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3119                            bool flag)
3120 {
3121         struct sk_buff *skb;
3122         struct wmi_ap_set_pvb_cmd *cmd;
3123         int ret;
3124
3125         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3126         if (!skb)
3127                 return -ENOMEM;
3128
3129         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3130         cmd->aid = cpu_to_le16(aid);
3131         cmd->rsvd = cpu_to_le16(0);
3132         cmd->flag = cpu_to_le32(flag);
3133
3134         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3135                                   NO_SYNC_WMIFLAG);
3136
3137         return 0;
3138 }
3139
3140 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3141                                        u8 rx_meta_ver,
3142                                        bool rx_dot11_hdr, bool defrag_on_host)
3143 {
3144         struct sk_buff *skb;
3145         struct wmi_rx_frame_format_cmd *cmd;
3146         int ret;
3147
3148         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3149         if (!skb)
3150                 return -ENOMEM;
3151
3152         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3153         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3154         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3155         cmd->meta_ver = rx_meta_ver;
3156
3157         /* Delete the local aggr state, on host */
3158         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3159                                   NO_SYNC_WMIFLAG);
3160
3161         return ret;
3162 }
3163
3164 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3165                              const u8 *ie, u8 ie_len)
3166 {
3167         struct sk_buff *skb;
3168         struct wmi_set_appie_cmd *p;
3169
3170         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3171         if (!skb)
3172                 return -ENOMEM;
3173
3174         ath6kl_dbg(ATH6KL_DBG_WMI, "set_appie_cmd: mgmt_frm_type=%u "
3175                    "ie_len=%u\n", mgmt_frm_type, ie_len);
3176         p = (struct wmi_set_appie_cmd *) skb->data;
3177         p->mgmt_frm_type = mgmt_frm_type;
3178         p->ie_len = ie_len;
3179
3180         if (ie != NULL && ie_len > 0)
3181                 memcpy(p->ie_info, ie, ie_len);
3182
3183         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3184                                    NO_SYNC_WMIFLAG);
3185 }
3186
3187 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3188 {
3189         struct sk_buff *skb;
3190         struct wmi_disable_11b_rates_cmd *cmd;
3191
3192         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3193         if (!skb)
3194                 return -ENOMEM;
3195
3196         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3197                    disable);
3198         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3199         cmd->disable = disable ? 1 : 0;
3200
3201         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3202                                    NO_SYNC_WMIFLAG);
3203 }
3204
3205 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3206 {
3207         struct sk_buff *skb;
3208         struct wmi_remain_on_chnl_cmd *p;
3209
3210         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3211         if (!skb)
3212                 return -ENOMEM;
3213
3214         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3215                    freq, dur);
3216         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3217         p->freq = cpu_to_le32(freq);
3218         p->duration = cpu_to_le32(dur);
3219         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3220                                    NO_SYNC_WMIFLAG);
3221 }
3222
3223 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3224  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3225  * mgmt operations using station interface.
3226  */
3227 static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3228                                       u32 freq, u32 wait, const u8 *data,
3229                                       u16 data_len)
3230 {
3231         struct sk_buff *skb;
3232         struct wmi_send_action_cmd *p;
3233         u8 *buf;
3234
3235         if (wait)
3236                 return -EINVAL; /* Offload for wait not supported */
3237
3238         buf = kmalloc(data_len, GFP_KERNEL);
3239         if (!buf)
3240                 return -ENOMEM;
3241
3242         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3243         if (!skb) {
3244                 kfree(buf);
3245                 return -ENOMEM;
3246         }
3247
3248         kfree(wmi->last_mgmt_tx_frame);
3249         memcpy(buf, data, data_len);
3250         wmi->last_mgmt_tx_frame = buf;
3251         wmi->last_mgmt_tx_frame_len = data_len;
3252
3253         ath6kl_dbg(ATH6KL_DBG_WMI, "send_action_cmd: id=%u freq=%u wait=%u "
3254                    "len=%u\n", id, freq, wait, data_len);
3255         p = (struct wmi_send_action_cmd *) skb->data;
3256         p->id = cpu_to_le32(id);
3257         p->freq = cpu_to_le32(freq);
3258         p->wait = cpu_to_le32(wait);
3259         p->len = cpu_to_le16(data_len);
3260         memcpy(p->data, data, data_len);
3261         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3262                                    NO_SYNC_WMIFLAG);
3263 }
3264
3265 static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3266                                       u32 freq, u32 wait, const u8 *data,
3267                                       u16 data_len, u32 no_cck)
3268 {
3269         struct sk_buff *skb;
3270         struct wmi_send_mgmt_cmd *p;
3271         u8 *buf;
3272
3273         if (wait)
3274                 return -EINVAL; /* Offload for wait not supported */
3275
3276         buf = kmalloc(data_len, GFP_KERNEL);
3277         if (!buf)
3278                 return -ENOMEM;
3279
3280         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3281         if (!skb) {
3282                 kfree(buf);
3283                 return -ENOMEM;
3284         }
3285
3286         kfree(wmi->last_mgmt_tx_frame);
3287         memcpy(buf, data, data_len);
3288         wmi->last_mgmt_tx_frame = buf;
3289         wmi->last_mgmt_tx_frame_len = data_len;
3290
3291         ath6kl_dbg(ATH6KL_DBG_WMI, "send_action_cmd: id=%u freq=%u wait=%u "
3292                    "len=%u\n", id, freq, wait, data_len);
3293         p = (struct wmi_send_mgmt_cmd *) skb->data;
3294         p->id = cpu_to_le32(id);
3295         p->freq = cpu_to_le32(freq);
3296         p->wait = cpu_to_le32(wait);
3297         p->no_cck = cpu_to_le32(no_cck);
3298         p->len = cpu_to_le16(data_len);
3299         memcpy(p->data, data, data_len);
3300         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3301                                    NO_SYNC_WMIFLAG);
3302 }
3303
3304 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3305                                 u32 wait, const u8 *data, u16 data_len,
3306                                 u32 no_cck)
3307 {
3308         int status;
3309         struct ath6kl *ar = wmi->parent_dev;
3310
3311         if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3312                      ar->fw_capabilities)) {
3313                 /*
3314                  * If capable of doing P2P mgmt operations using
3315                  * station interface, send additional information like
3316                  * supported rates to advertise and xmit rates for
3317                  * probe requests
3318                  */
3319                 status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3320                                                     wait, data, data_len,
3321                                                     no_cck);
3322         } else {
3323                 status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3324                                                     wait, data, data_len);
3325         }
3326
3327         return status;
3328 }
3329
3330 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3331                                        const u8 *dst, const u8 *data,
3332                                        u16 data_len)
3333 {
3334         struct sk_buff *skb;
3335         struct wmi_p2p_probe_response_cmd *p;
3336         size_t cmd_len = sizeof(*p) + data_len;
3337
3338         if (data_len == 0)
3339                 cmd_len++; /* work around target minimum length requirement */
3340
3341         skb = ath6kl_wmi_get_new_buf(cmd_len);
3342         if (!skb)
3343                 return -ENOMEM;
3344
3345         ath6kl_dbg(ATH6KL_DBG_WMI, "send_probe_response_cmd: freq=%u dst=%pM "
3346                    "len=%u\n", freq, dst, data_len);
3347         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3348         p->freq = cpu_to_le32(freq);
3349         memcpy(p->destination_addr, dst, ETH_ALEN);
3350         p->len = cpu_to_le16(data_len);
3351         memcpy(p->data, data, data_len);
3352         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3353                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3354                                    NO_SYNC_WMIFLAG);
3355 }
3356
3357 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3358 {
3359         struct sk_buff *skb;
3360         struct wmi_probe_req_report_cmd *p;
3361
3362         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3363         if (!skb)
3364                 return -ENOMEM;
3365
3366         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3367                    enable);
3368         p = (struct wmi_probe_req_report_cmd *) skb->data;
3369         p->enable = enable ? 1 : 0;
3370         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3371                                    NO_SYNC_WMIFLAG);
3372 }
3373
3374 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3375 {
3376         struct sk_buff *skb;
3377         struct wmi_get_p2p_info *p;
3378
3379         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3380         if (!skb)
3381                 return -ENOMEM;
3382
3383         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3384                    info_req_flags);
3385         p = (struct wmi_get_p2p_info *) skb->data;
3386         p->info_req_flags = cpu_to_le32(info_req_flags);
3387         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3388                                    NO_SYNC_WMIFLAG);
3389 }
3390
3391 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3392 {
3393         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3394         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3395                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3396 }
3397
3398 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3399 {
3400         struct wmix_cmd_hdr *cmd;
3401         u32 len;
3402         u16 id;
3403         u8 *datap;
3404         int ret = 0;
3405
3406         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3407                 ath6kl_err("bad packet 1\n");
3408                 return -EINVAL;
3409         }
3410
3411         cmd = (struct wmix_cmd_hdr *) skb->data;
3412         id = le32_to_cpu(cmd->cmd_id);
3413
3414         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3415
3416         datap = skb->data;
3417         len = skb->len;
3418
3419         switch (id) {
3420         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3421                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3422                 break;
3423         case WMIX_DBGLOG_EVENTID:
3424                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3425                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3426                 break;
3427         default:
3428                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3429                 ret = -EINVAL;
3430                 break;
3431         }
3432
3433         return ret;
3434 }
3435
3436 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3437 {
3438         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3439 }
3440
3441 /* Process interface specific wmi events, caller would free the datap */
3442 static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3443                                         u8 *datap, u32 len)
3444 {
3445         struct ath6kl_vif *vif;
3446
3447         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3448         if (!vif) {
3449                 ath6kl_dbg(ATH6KL_DBG_WMI,
3450                            "Wmi event for unavailable vif, vif_index:%d\n",
3451                             if_idx);
3452                 return -EINVAL;
3453         }
3454
3455         switch (cmd_id) {
3456         case WMI_CONNECT_EVENTID:
3457                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3458                 return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3459         case WMI_DISCONNECT_EVENTID:
3460                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3461                 return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3462         case WMI_TKIP_MICERR_EVENTID:
3463                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3464                 return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3465         case WMI_BSSINFO_EVENTID:
3466                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3467                 return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3468         case WMI_NEIGHBOR_REPORT_EVENTID:
3469                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3470                 return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3471                                                            vif);
3472         case WMI_SCAN_COMPLETE_EVENTID:
3473                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3474                 return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3475         case WMI_REPORT_STATISTICS_EVENTID:
3476                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3477                 return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3478         case WMI_CAC_EVENTID:
3479                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3480                 return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3481         case WMI_PSPOLL_EVENTID:
3482                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3483                 return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3484         case WMI_DTIMEXPIRY_EVENTID:
3485                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3486                 return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3487         case WMI_ADDBA_REQ_EVENTID:
3488                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3489                 return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3490         case WMI_DELBA_REQ_EVENTID:
3491                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3492                 return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3493         case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3494                 ath6kl_dbg(ATH6KL_DBG_WMI,
3495                            "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3496                 return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3497         case WMI_REMAIN_ON_CHNL_EVENTID:
3498                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3499                 return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3500         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3501                 ath6kl_dbg(ATH6KL_DBG_WMI,
3502                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3503                 return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3504                                                                  len, vif);
3505         case WMI_TX_STATUS_EVENTID:
3506                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3507                 return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3508         case WMI_RX_PROBE_REQ_EVENTID:
3509                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3510                 return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3511         case WMI_RX_ACTION_EVENTID:
3512                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3513                 return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3514         default:
3515                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3516                 return -EINVAL;
3517         }
3518
3519         return 0;
3520 }
3521
3522 static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3523 {
3524         struct wmi_cmd_hdr *cmd;
3525         int ret = 0;
3526         u32 len;
3527         u16 id;
3528         u8 if_idx;
3529         u8 *datap;
3530
3531         cmd = (struct wmi_cmd_hdr *) skb->data;
3532         id = le16_to_cpu(cmd->cmd_id);
3533         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3534
3535         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3536         datap = skb->data;
3537         len = skb->len;
3538
3539         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3540         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3541                         datap, len);
3542
3543         switch (id) {
3544         case WMI_GET_BITRATE_CMDID:
3545                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3546                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3547                 break;
3548         case WMI_GET_CHANNEL_LIST_CMDID:
3549                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3550                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3551                 break;
3552         case WMI_GET_TX_PWR_CMDID:
3553                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3554                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3555                 break;
3556         case WMI_READY_EVENTID:
3557                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3558                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3559                 break;
3560         case WMI_PEER_NODE_EVENTID:
3561                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3562                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
3563                 break;
3564         case WMI_REGDOMAIN_EVENTID:
3565                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
3566                 ath6kl_wmi_regdomain_event(wmi, datap, len);
3567                 break;
3568         case WMI_PSTREAM_TIMEOUT_EVENTID:
3569                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
3570                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
3571                 break;
3572         case WMI_CMDERROR_EVENTID:
3573                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
3574                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
3575                 break;
3576         case WMI_RSSI_THRESHOLD_EVENTID:
3577                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
3578                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
3579                 break;
3580         case WMI_ERROR_REPORT_EVENTID:
3581                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
3582                 break;
3583         case WMI_OPT_RX_FRAME_EVENTID:
3584                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
3585                 /* this event has been deprecated */
3586                 break;
3587         case WMI_REPORT_ROAM_TBL_EVENTID:
3588                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
3589                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
3590                 break;
3591         case WMI_EXTENSION_EVENTID:
3592                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
3593                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
3594                 break;
3595         case WMI_CHANNEL_CHANGE_EVENTID:
3596                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
3597                 break;
3598         case WMI_REPORT_ROAM_DATA_EVENTID:
3599                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
3600                 break;
3601         case WMI_TEST_EVENTID:
3602                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
3603                 ret = ath6kl_wmi_test_rx(wmi, datap, len);
3604                 break;
3605         case WMI_GET_FIXRATES_CMDID:
3606                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
3607                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
3608                 break;
3609         case WMI_TX_RETRY_ERR_EVENTID:
3610                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
3611                 break;
3612         case WMI_SNR_THRESHOLD_EVENTID:
3613                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
3614                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
3615                 break;
3616         case WMI_LQ_THRESHOLD_EVENTID:
3617                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
3618                 break;
3619         case WMI_APLIST_EVENTID:
3620                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
3621                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
3622                 break;
3623         case WMI_GET_KEEPALIVE_CMDID:
3624                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
3625                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
3626                 break;
3627         case WMI_GET_WOW_LIST_EVENTID:
3628                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
3629                 break;
3630         case WMI_GET_PMKID_LIST_EVENTID:
3631                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
3632                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
3633                 break;
3634         case WMI_SET_PARAMS_REPLY_EVENTID:
3635                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
3636                 break;
3637         case WMI_ADDBA_RESP_EVENTID:
3638                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
3639                 break;
3640         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
3641                 ath6kl_dbg(ATH6KL_DBG_WMI,
3642                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
3643                 break;
3644         case WMI_REPORT_BTCOEX_STATS_EVENTID:
3645                 ath6kl_dbg(ATH6KL_DBG_WMI,
3646                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
3647                 break;
3648         case WMI_TX_COMPLETE_EVENTID:
3649                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
3650                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
3651                 break;
3652         case WMI_P2P_CAPABILITIES_EVENTID:
3653                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
3654                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
3655                 break;
3656         case WMI_P2P_INFO_EVENTID:
3657                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
3658                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
3659                 break;
3660         default:
3661                 /* may be the event is interface specific */
3662                 ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
3663                 break;
3664         }
3665
3666         dev_kfree_skb(skb);
3667         return ret;
3668 }
3669
3670 /* Control Path */
3671 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
3672 {
3673         if (WARN_ON(skb == NULL))
3674                 return -EINVAL;
3675
3676         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
3677                 ath6kl_err("bad packet 1\n");
3678                 dev_kfree_skb(skb);
3679                 return -EINVAL;
3680         }
3681
3682         return ath6kl_wmi_proc_events(wmi, skb);
3683 }
3684
3685 void ath6kl_wmi_reset(struct wmi *wmi)
3686 {
3687         spin_lock_bh(&wmi->lock);
3688
3689         wmi->fat_pipe_exist = 0;
3690         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
3691
3692         spin_unlock_bh(&wmi->lock);
3693 }
3694
3695 void *ath6kl_wmi_init(struct ath6kl *dev)
3696 {
3697         struct wmi *wmi;
3698
3699         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
3700         if (!wmi)
3701                 return NULL;
3702
3703         spin_lock_init(&wmi->lock);
3704
3705         wmi->parent_dev = dev;
3706
3707         wmi->pwr_mode = REC_POWER;
3708
3709         ath6kl_wmi_reset(wmi);
3710
3711         return wmi;
3712 }
3713
3714 void ath6kl_wmi_shutdown(struct wmi *wmi)
3715 {
3716         if (!wmi)
3717                 return;
3718
3719         kfree(wmi->last_mgmt_tx_frame);
3720         kfree(wmi);
3721 }