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

   1 /*
   2  * Copyright (c) 2004-2011 Atheros Communications Inc.
   3  * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #include <linux/ip.h>
  19 #include "core.h"
  20 #include "debug.h"
  21 #include "testmode.h"
  22 #include "../regd.h"
  23 #include "../regd_common.h"
  24
  25 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
  26
  27 static const s32 wmi_rate_tbl[][2] = {
  28         /* {W/O SGI, with SGI} */
  29         {1000, 1000},
  30         {2000, 2000},
  31         {5500, 5500},
  32         {11000, 11000},
  33         {6000, 6000},
  34         {9000, 9000},
  35         {12000, 12000},
  36         {18000, 18000},
  37         {24000, 24000},
  38         {36000, 36000},
  39         {48000, 48000},
  40         {54000, 54000},
  41         {6500, 7200},
  42         {13000, 14400},
  43         {19500, 21700},
  44         {26000, 28900},
  45         {39000, 43300},
  46         {52000, 57800},
  47         {58500, 65000},
  48         {65000, 72200},
  49         {13500, 15000},
  50         {27000, 30000},
  51         {40500, 45000},
  52         {54000, 60000},
  53         {81000, 90000},
  54         {108000, 120000},
  55         {121500, 135000},
  56         {135000, 150000},
  57         {0, 0}
  58 };
  59
  60 /* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
  61 static const u8 up_to_ac[] = {
  62         WMM_AC_BE,
  63         WMM_AC_BK,
  64         WMM_AC_BK,
  65         WMM_AC_BE,
  66         WMM_AC_VI,
  67         WMM_AC_VI,
  68         WMM_AC_VO,
  69         WMM_AC_VO,
  70 };
  71
  72 void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
  73 {
  74         if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
  75                 return;
  76
  77         wmi->ep_id = ep_id;
  78 }
  79
  80 enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
  81 {
  82         return wmi->ep_id;
  83 }
  84
  85 struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
  86 {
  87         struct ath6kl_vif *vif, *found = NULL;
  88
  89         if (WARN_ON(if_idx > (ar->vif_max - 1)))
  90                 return NULL;
  91
  92         /* FIXME: Locking */
  93         spin_lock_bh(&ar->list_lock);
  94         list_for_each_entry(vif, &ar->vif_list, list) {
  95                 if (vif->fw_vif_idx == if_idx) {
  96                         found = vif;
  97                         break;
  98                 }
  99         }
 100         spin_unlock_bh(&ar->list_lock);
 101
 102         return found;
 103 }
 104
 105 /*  Performs DIX to 802.3 encapsulation for transmit packets.
 106  *  Assumes the entire DIX header is contigous and that there is
 107  *  enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
 108  */
 109 int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
 110 {
 111         struct ath6kl_llc_snap_hdr *llc_hdr;
 112         struct ethhdr *eth_hdr;
 113         size_t new_len;
 114         __be16 type;
 115         u8 *datap;
 116         u16 size;
 117
 118         if (WARN_ON(skb == NULL))
 119                 return -EINVAL;
 120
 121         size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
 122         if (skb_headroom(skb) < size)
 123                 return -ENOMEM;
 124
 125         eth_hdr = (struct ethhdr *) skb->data;
 126         type = eth_hdr->h_proto;
 127
 128         if (!is_ethertype(be16_to_cpu(type))) {
 129                 ath6kl_dbg(ATH6KL_DBG_WMI,
 130                            "%s: pkt is already in 802.3 format\n", __func__);
 131                 return 0;
 132         }
 133
 134         new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
 135
 136         skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
 137         datap = skb->data;
 138
 139         eth_hdr->h_proto = cpu_to_be16(new_len);
 140
 141         memcpy(datap, eth_hdr, sizeof(*eth_hdr));
 142
 143         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
 144         llc_hdr->dsap = 0xAA;
 145         llc_hdr->ssap = 0xAA;
 146         llc_hdr->cntl = 0x03;
 147         llc_hdr->org_code[0] = 0x0;
 148         llc_hdr->org_code[1] = 0x0;
 149         llc_hdr->org_code[2] = 0x0;
 150         llc_hdr->eth_type = type;
 151
 152         return 0;
 153 }
 154
 155 static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
 156                                u8 *version, void *tx_meta_info)
 157 {
 158         struct wmi_tx_meta_v1 *v1;
 159         struct wmi_tx_meta_v2 *v2;
 160
 161         if (WARN_ON(skb == NULL || version == NULL))
 162                 return -EINVAL;
 163
 164         switch (*version) {
 165         case WMI_META_VERSION_1:
 166                 skb_push(skb, WMI_MAX_TX_META_SZ);
 167                 v1 = (struct wmi_tx_meta_v1 *) skb->data;
 168                 v1->pkt_id = 0;
 169                 v1->rate_plcy_id = 0;
 170                 *version = WMI_META_VERSION_1;
 171                 break;
 172         case WMI_META_VERSION_2:
 173                 skb_push(skb, WMI_MAX_TX_META_SZ);
 174                 v2 = (struct wmi_tx_meta_v2 *) skb->data;
 175                 memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
 176                        sizeof(struct wmi_tx_meta_v2));
 177                 break;
 178         }
 179
 180         return 0;
 181 }
 182
 183 int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
 184                             u8 msg_type, u32 flags,
 185                             enum wmi_data_hdr_data_type data_type,
 186                             u8 meta_ver, void *tx_meta_info, u8 if_idx)
 187 {
 188         struct wmi_data_hdr *data_hdr;
 189         int ret;
 190
 191         if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))
 192                 return -EINVAL;
 193
 194         if (tx_meta_info) {
 195                 ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
 196                 if (ret)
 197                         return ret;
 198         }
 199
 200         skb_push(skb, sizeof(struct wmi_data_hdr));
 201
 202         data_hdr = (struct wmi_data_hdr *)skb->data;
 203         memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
 204
 205         data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
 206         data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
 207
 208         if (flags & WMI_DATA_HDR_FLAGS_MORE)
 209                 data_hdr->info |= WMI_DATA_HDR_MORE;
 210
 211         if (flags & WMI_DATA_HDR_FLAGS_EOSP)
 212                 data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);
 213
 214         data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
 215         data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
 216
 217         return 0;
 218 }
 219
 220 u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
 221 {
 222         struct iphdr *ip_hdr = (struct iphdr *) pkt;
 223         u8 ip_pri;
 224
 225         /*
 226          * Determine IPTOS priority
 227          *
 228          * IP-TOS - 8bits
 229          *          : DSCP(6-bits) ECN(2-bits)
 230          *          : DSCP - P2 P1 P0 X X X
 231          * where (P2 P1 P0) form 802.1D
 232          */
 233         ip_pri = ip_hdr->tos >> 5;
 234         ip_pri &= 0x7;
 235
 236         if ((layer2_pri & 0x7) > ip_pri)
 237                 return (u8) layer2_pri & 0x7;
 238         else
 239                 return ip_pri;
 240 }
 241
 242 u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
 243 {
 244         return  up_to_ac[user_priority & 0x7];
 245 }
 246
 247 int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
 248                                        struct sk_buff *skb,
 249                                        u32 layer2_priority, bool wmm_enabled,
 250                                        u8 *ac)
 251 {
 252         struct wmi_data_hdr *data_hdr;
 253         struct ath6kl_llc_snap_hdr *llc_hdr;
 254         struct wmi_create_pstream_cmd cmd;
 255         u32 meta_size, hdr_size;
 256         u16 ip_type = IP_ETHERTYPE;
 257         u8 stream_exist, usr_pri;
 258         u8 traffic_class = WMM_AC_BE;
 259         u8 *datap;
 260
 261         if (WARN_ON(skb == NULL))
 262                 return -EINVAL;
 263
 264         datap = skb->data;
 265         data_hdr = (struct wmi_data_hdr *) datap;
 266
 267         meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
 268                      WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
 269
 270         if (!wmm_enabled) {
 271                 /* If WMM is disabled all traffic goes as BE traffic */
 272                 usr_pri = 0;
 273         } else {
 274                 hdr_size = sizeof(struct ethhdr);
 275
 276                 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
 277                                                          sizeof(struct
 278                                                                 wmi_data_hdr) +
 279                                                          meta_size + hdr_size);
 280
 281                 if (llc_hdr->eth_type == htons(ip_type)) {
 282                         /*
 283                          * Extract the endpoint info from the TOS field
 284                          * in the IP header.
 285                          */
 286                         usr_pri =
 287                            ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
 288                                         sizeof(struct ath6kl_llc_snap_hdr),
 289                                         layer2_priority);
 290                 } else
 291                         usr_pri = layer2_priority & 0x7;
 292         }
 293
 294         /*
 295          * workaround for WMM S5
 296          *
 297          * FIXME: wmi->traffic_class is always 100 so this test doesn't
 298          * make sense
 299          */
 300         if ((wmi->traffic_class == WMM_AC_VI) &&
 301             ((usr_pri == 5) || (usr_pri == 4)))
 302                 usr_pri = 1;
 303
 304         /* Convert user priority to traffic class */
 305         traffic_class = up_to_ac[usr_pri & 0x7];
 306
 307         wmi_data_hdr_set_up(data_hdr, usr_pri);
 308
 309         spin_lock_bh(&wmi->lock);
 310         stream_exist = wmi->fat_pipe_exist;
 311         spin_unlock_bh(&wmi->lock);
 312
 313         if (!(stream_exist & (1 << traffic_class))) {
 314                 memset(&cmd, 0, sizeof(cmd));
 315                 cmd.traffic_class = traffic_class;
 316                 cmd.user_pri = usr_pri;
 317                 cmd.inactivity_int =
 318                         cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
 319                 /* Implicit streams are created with TSID 0xFF */
 320                 cmd.tsid = WMI_IMPLICIT_PSTREAM;
 321                 ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
 322         }
 323
 324         *ac = traffic_class;
 325
 326         return 0;
 327 }
 328
 329 int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
 330 {
 331         struct ieee80211_hdr_3addr *pwh, wh;
 332         struct ath6kl_llc_snap_hdr *llc_hdr;
 333         struct ethhdr eth_hdr;
 334         u32 hdr_size;
 335         u8 *datap;
 336         __le16 sub_type;
 337
 338         if (WARN_ON(skb == NULL))
 339                 return -EINVAL;
 340
 341         datap = skb->data;
 342         pwh = (struct ieee80211_hdr_3addr *) datap;
 343
 344         sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
 345
 346         memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
 347
 348         /* Strip off the 802.11 header */
 349         if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
 350                 hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
 351                                    sizeof(u32));
 352                 skb_pull(skb, hdr_size);
 353         } else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA))
 354                 skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
 355
 356         datap = skb->data;
 357         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
 358
 359         memset(&eth_hdr, 0, sizeof(eth_hdr));
 360         eth_hdr.h_proto = llc_hdr->eth_type;
 361
 362         switch ((le16_to_cpu(wh.frame_control)) &
 363                 (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
 364         case 0:
 365                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 366                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 367                 break;
 368         case IEEE80211_FCTL_TODS:
 369                 memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
 370                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 371                 break;
 372         case IEEE80211_FCTL_FROMDS:
 373                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 374                 memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
 375                 break;
 376         case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
 377                 break;
 378         }
 379
 380         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 381         skb_push(skb, sizeof(eth_hdr));
 382
 383         datap = skb->data;
 384
 385         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 386
 387         return 0;
 388 }
 389
 390 /*
 391  * Performs 802.3 to DIX encapsulation for received packets.
 392  * Assumes the entire 802.3 header is contigous.
 393  */
 394 int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
 395 {
 396         struct ath6kl_llc_snap_hdr *llc_hdr;
 397         struct ethhdr eth_hdr;
 398         u8 *datap;
 399
 400         if (WARN_ON(skb == NULL))
 401                 return -EINVAL;
 402
 403         datap = skb->data;
 404
 405         memcpy(&eth_hdr, datap, sizeof(eth_hdr));
 406
 407         llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
 408         eth_hdr.h_proto = llc_hdr->eth_type;
 409
 410         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 411         datap = skb->data;
 412
 413         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 414
 415         return 0;
 416 }
 417
 418 static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
 419 {
 420         struct tx_complete_msg_v1 *msg_v1;
 421         struct wmi_tx_complete_event *evt;
 422         int index;
 423         u16 size;
 424
 425         evt = (struct wmi_tx_complete_event *) datap;
 426
 427         ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
 428                    evt->num_msg, evt->msg_len, evt->msg_type);
 429
 430         for (index = 0; index < evt->num_msg; index++) {
 431                 size = sizeof(struct wmi_tx_complete_event) +
 432                     (index * sizeof(struct tx_complete_msg_v1));
 433                 msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
 434
 435                 ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
 436                            msg_v1->status, msg_v1->pkt_id,
 437                            msg_v1->rate_idx, msg_v1->ack_failures);
 438         }
 439
 440         return 0;
 441 }
 442
 443 static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
 444                                               int len, struct ath6kl_vif *vif)
 445 {
 446         struct wmi_remain_on_chnl_event *ev;
 447         u32 freq;
 448         u32 dur;
 449         struct ieee80211_channel *chan;
 450         struct ath6kl *ar = wmi->parent_dev;
 451         u32 id;
 452
 453         if (len < sizeof(*ev))
 454                 return -EINVAL;
 455
 456         ev = (struct wmi_remain_on_chnl_event *) datap;
 457         freq = le32_to_cpu(ev->freq);
 458         dur = le32_to_cpu(ev->duration);
 459         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
 460                    freq, dur);
 461         chan = ieee80211_get_channel(ar->wiphy, freq);
 462         if (!chan) {
 463                 ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: Unknown channel "
 464                            "(freq=%u)\n", freq);
 465                 return -EINVAL;
 466         }
 467         id = vif->last_roc_id;
 468         cfg80211_ready_on_channel(vif->ndev, id, chan, NL80211_CHAN_NO_HT,
 469                                   dur, GFP_ATOMIC);
 470
 471         return 0;
 472 }
 473
 474 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
 475                                                      u8 *datap, int len,
 476                                                      struct ath6kl_vif *vif)
 477 {
 478         struct wmi_cancel_remain_on_chnl_event *ev;
 479         u32 freq;
 480         u32 dur;
 481         struct ieee80211_channel *chan;
 482         struct ath6kl *ar = wmi->parent_dev;
 483         u32 id;
 484
 485         if (len < sizeof(*ev))
 486                 return -EINVAL;
 487
 488         ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
 489         freq = le32_to_cpu(ev->freq);
 490         dur = le32_to_cpu(ev->duration);
 491         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl: freq=%u dur=%u "
 492                    "status=%u\n", freq, dur, ev->status);
 493         chan = ieee80211_get_channel(ar->wiphy, freq);
 494         if (!chan) {
 495                 ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl: Unknown "
 496                            "channel (freq=%u)\n", freq);
 497                 return -EINVAL;
 498         }
 499         if (vif->last_cancel_roc_id &&
 500             vif->last_cancel_roc_id + 1 == vif->last_roc_id)
 501                 id = vif->last_cancel_roc_id; /* event for cancel command */
 502         else
 503                 id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
 504         vif->last_cancel_roc_id = 0;
 505         cfg80211_remain_on_channel_expired(vif->ndev, id, chan,
 506                                            NL80211_CHAN_NO_HT, GFP_ATOMIC);
 507
 508         return 0;
 509 }
 510
 511 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
 512                                          struct ath6kl_vif *vif)
 513 {
 514         struct wmi_tx_status_event *ev;
 515         u32 id;
 516
 517         if (len < sizeof(*ev))
 518                 return -EINVAL;
 519
 520         ev = (struct wmi_tx_status_event *) datap;
 521         id = le32_to_cpu(ev->id);
 522         ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
 523                    id, ev->ack_status);
 524         if (wmi->last_mgmt_tx_frame) {
 525                 cfg80211_mgmt_tx_status(vif->ndev, id,
 526                                         wmi->last_mgmt_tx_frame,
 527                                         wmi->last_mgmt_tx_frame_len,
 528                                         !!ev->ack_status, GFP_ATOMIC);
 529                 kfree(wmi->last_mgmt_tx_frame);
 530                 wmi->last_mgmt_tx_frame = NULL;
 531                 wmi->last_mgmt_tx_frame_len = 0;
 532         }
 533
 534         return 0;
 535 }
 536
 537 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
 538                                             struct ath6kl_vif *vif)
 539 {
 540         struct wmi_p2p_rx_probe_req_event *ev;
 541         u32 freq;
 542         u16 dlen;
 543
 544         if (len < sizeof(*ev))
 545                 return -EINVAL;
 546
 547         ev = (struct wmi_p2p_rx_probe_req_event *) datap;
 548         freq = le32_to_cpu(ev->freq);
 549         dlen = le16_to_cpu(ev->len);
 550         if (datap + len < ev->data + dlen) {
 551                 ath6kl_err("invalid wmi_p2p_rx_probe_req_event: "
 552                            "len=%d dlen=%u\n", len, dlen);
 553                 return -EINVAL;
 554         }
 555         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_probe_req: len=%u freq=%u "
 556                    "probe_req_report=%d\n",
 557                    dlen, freq, vif->probe_req_report);
 558
 559         if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
 560                 cfg80211_rx_mgmt(vif->ndev, freq, ev->data, dlen, GFP_ATOMIC);
 561
 562         return 0;
 563 }
 564
 565 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
 566 {
 567         struct wmi_p2p_capabilities_event *ev;
 568         u16 dlen;
 569
 570         if (len < sizeof(*ev))
 571                 return -EINVAL;
 572
 573         ev = (struct wmi_p2p_capabilities_event *) datap;
 574         dlen = le16_to_cpu(ev->len);
 575         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
 576
 577         return 0;
 578 }
 579
 580 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 581                                          struct ath6kl_vif *vif)
 582 {
 583         struct wmi_rx_action_event *ev;
 584         u32 freq;
 585         u16 dlen;
 586
 587         if (len < sizeof(*ev))
 588                 return -EINVAL;
 589
 590         ev = (struct wmi_rx_action_event *) datap;
 591         freq = le32_to_cpu(ev->freq);
 592         dlen = le16_to_cpu(ev->len);
 593         if (datap + len < ev->data + dlen) {
 594                 ath6kl_err("invalid wmi_rx_action_event: "
 595                            "len=%d dlen=%u\n", len, dlen);
 596                 return -EINVAL;
 597         }
 598         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
 599         cfg80211_rx_mgmt(vif->ndev, freq, ev->data, dlen, GFP_ATOMIC);
 600
 601         return 0;
 602 }
 603
 604 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
 605 {
 606         struct wmi_p2p_info_event *ev;
 607         u32 flags;
 608         u16 dlen;
 609
 610         if (len < sizeof(*ev))
 611                 return -EINVAL;
 612
 613         ev = (struct wmi_p2p_info_event *) datap;
 614         flags = le32_to_cpu(ev->info_req_flags);
 615         dlen = le16_to_cpu(ev->len);
 616         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
 617
 618         if (flags & P2P_FLAG_CAPABILITIES_REQ) {
 619                 struct wmi_p2p_capabilities *cap;
 620                 if (dlen < sizeof(*cap))
 621                         return -EINVAL;
 622                 cap = (struct wmi_p2p_capabilities *) ev->data;
 623                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
 624                            cap->go_power_save);
 625         }
 626
 627         if (flags & P2P_FLAG_MACADDR_REQ) {
 628                 struct wmi_p2p_macaddr *mac;
 629                 if (dlen < sizeof(*mac))
 630                         return -EINVAL;
 631                 mac = (struct wmi_p2p_macaddr *) ev->data;
 632                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
 633                            mac->mac_addr);
 634         }
 635
 636         if (flags & P2P_FLAG_HMODEL_REQ) {
 637                 struct wmi_p2p_hmodel *mod;
 638                 if (dlen < sizeof(*mod))
 639                         return -EINVAL;
 640                 mod = (struct wmi_p2p_hmodel *) ev->data;
 641                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
 642                            mod->p2p_model,
 643                            mod->p2p_model ? "host" : "firmware");
 644         }
 645         return 0;
 646 }
 647
 648 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
 649 {
 650         struct sk_buff *skb;
 651
 652         skb = ath6kl_buf_alloc(size);
 653         if (!skb)
 654                 return NULL;
 655
 656         skb_put(skb, size);
 657         if (size)
 658                 memset(skb->data, 0, size);
 659
 660         return skb;
 661 }
 662
 663 /* Send a "simple" wmi command -- one with no arguments */
 664 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
 665                                  enum wmi_cmd_id cmd_id)
 666 {
 667         struct sk_buff *skb;
 668         int ret;
 669
 670         skb = ath6kl_wmi_get_new_buf(0);
 671         if (!skb)
 672                 return -ENOMEM;
 673
 674         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
 675
 676         return ret;
 677 }
 678
 679 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
 680 {
 681         struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
 682
 683         if (len < sizeof(struct wmi_ready_event_2))
 684                 return -EINVAL;
 685
 686         ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
 687                            le32_to_cpu(ev->sw_version),
 688                            le32_to_cpu(ev->abi_version));
 689
 690         return 0;
 691 }
 692
 693 /*
 694  * Mechanism to modify the roaming behavior in the firmware. The lower rssi
 695  * at which the station has to roam can be passed with
 696  * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
 697  * in dBm.
 698  */
 699 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
 700 {
 701         struct sk_buff *skb;
 702         struct roam_ctrl_cmd *cmd;
 703
 704         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 705         if (!skb)
 706                 return -ENOMEM;
 707
 708         cmd = (struct roam_ctrl_cmd *) skb->data;
 709
 710         cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
 711         cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
 712                                                        DEF_SCAN_FOR_ROAM_INTVL);
 713         cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
 714         cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
 715         cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
 716
 717         ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 718                             NO_SYNC_WMIFLAG);
 719
 720         return 0;
 721 }
 722
 723 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
 724 {
 725         struct sk_buff *skb;
 726         struct roam_ctrl_cmd *cmd;
 727
 728         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 729         if (!skb)
 730                 return -ENOMEM;
 731
 732         cmd = (struct roam_ctrl_cmd *) skb->data;
 733         memset(cmd, 0, sizeof(*cmd));
 734
 735         memcpy(cmd->info.bssid, bssid, ETH_ALEN);
 736         cmd->roam_ctrl = WMI_FORCE_ROAM;
 737
 738         ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
 739         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 740                                    NO_SYNC_WMIFLAG);
 741 }
 742
 743 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 744 {
 745         struct sk_buff *skb;
 746         struct roam_ctrl_cmd *cmd;
 747
 748         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 749         if (!skb)
 750                 return -ENOMEM;
 751
 752         cmd = (struct roam_ctrl_cmd *) skb->data;
 753         memset(cmd, 0, sizeof(*cmd));
 754
 755         cmd->info.roam_mode = mode;
 756         cmd->roam_ctrl = WMI_SET_ROAM_MODE;
 757
 758         ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
 759         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 760                                    NO_SYNC_WMIFLAG);
 761 }
 762
 763 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
 764                                        struct ath6kl_vif *vif)
 765 {
 766         struct wmi_connect_event *ev;
 767         u8 *pie, *peie;
 768
 769         if (len < sizeof(struct wmi_connect_event))
 770                 return -EINVAL;
 771
 772         ev = (struct wmi_connect_event *) datap;
 773
 774         if (vif->nw_type == AP_NETWORK) {
 775                 /* AP mode start/STA connected event */
 776                 struct net_device *dev = vif->ndev;
 777                 if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
 778                         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: freq %d bssid %pM "
 779                                    "(AP started)\n",
 780                                    __func__, le16_to_cpu(ev->u.ap_bss.ch),
 781                                    ev->u.ap_bss.bssid);
 782                         ath6kl_connect_ap_mode_bss(
 783                                 vif, le16_to_cpu(ev->u.ap_bss.ch));
 784                 } else {
 785                         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: aid %u mac_addr %pM "
 786                                    "auth=%u keymgmt=%u cipher=%u apsd_info=%u "
 787                                    "(STA connected)\n",
 788                                    __func__, ev->u.ap_sta.aid,
 789                                    ev->u.ap_sta.mac_addr,
 790                                    ev->u.ap_sta.auth,
 791                                    ev->u.ap_sta.keymgmt,
 792                                    le16_to_cpu(ev->u.ap_sta.cipher),
 793                                    ev->u.ap_sta.apsd_info);
 794
 795                         ath6kl_connect_ap_mode_sta(
 796                                 vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
 797                                 ev->u.ap_sta.keymgmt,
 798                                 le16_to_cpu(ev->u.ap_sta.cipher),
 799                                 ev->u.ap_sta.auth, ev->assoc_req_len,
 800                                 ev->assoc_info + ev->beacon_ie_len,
 801                                 ev->u.ap_sta.apsd_info);
 802                 }
 803                 return 0;
 804         }
 805
 806         /* STA/IBSS mode connection event */
 807
 808         ath6kl_dbg(ATH6KL_DBG_WMI,
 809                    "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
 810                    le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
 811                    le16_to_cpu(ev->u.sta.listen_intvl),
 812                    le16_to_cpu(ev->u.sta.beacon_intvl),
 813                    le32_to_cpu(ev->u.sta.nw_type));
 814
 815         /* Start of assoc rsp IEs */
 816         pie = ev->assoc_info + ev->beacon_ie_len +
 817               ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
 818
 819         /* End of assoc rsp IEs */
 820         peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
 821             ev->assoc_resp_len;
 822
 823         while (pie < peie) {
 824                 switch (*pie) {
 825                 case WLAN_EID_VENDOR_SPECIFIC:
 826                         if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
 827                             pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
 828                                 /* WMM OUT (00:50:F2) */
 829                                 if (pie[1] > 5
 830                                     && pie[6] == WMM_PARAM_OUI_SUBTYPE)
 831                                         wmi->is_wmm_enabled = true;
 832                         }
 833                         break;
 834                 }
 835
 836                 if (wmi->is_wmm_enabled)
 837                         break;
 838
 839                 pie += pie[1] + 2;
 840         }
 841
 842         ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
 843                              ev->u.sta.bssid,
 844                              le16_to_cpu(ev->u.sta.listen_intvl),
 845                              le16_to_cpu(ev->u.sta.beacon_intvl),
 846                              le32_to_cpu(ev->u.sta.nw_type),
 847                              ev->beacon_ie_len, ev->assoc_req_len,
 848                              ev->assoc_resp_len, ev->assoc_info);
 849
 850         return 0;
 851 }
 852
 853 static struct country_code_to_enum_rd *
 854 ath6kl_regd_find_country(u16 countryCode)
 855 {
 856         int i;
 857
 858         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 859                 if (allCountries[i].countryCode == countryCode)
 860                         return &allCountries[i];
 861         }
 862
 863         return NULL;
 864 }
 865
 866 static struct reg_dmn_pair_mapping *
 867 ath6kl_get_regpair(u16 regdmn)
 868 {
 869         int i;
 870
 871         if (regdmn == NO_ENUMRD)
 872                 return NULL;
 873
 874         for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
 875                 if (regDomainPairs[i].regDmnEnum == regdmn)
 876                         return &regDomainPairs[i];
 877         }
 878
 879         return NULL;
 880 }
 881
 882 static struct country_code_to_enum_rd *
 883 ath6kl_regd_find_country_by_rd(u16 regdmn)
 884 {
 885         int i;
 886
 887         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 888                 if (allCountries[i].regDmnEnum == regdmn)
 889                         return &allCountries[i];
 890         }
 891
 892         return NULL;
 893 }
 894
 895 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 896 {
 897
 898         struct ath6kl_wmi_regdomain *ev;
 899         struct country_code_to_enum_rd *country = NULL;
 900         struct reg_dmn_pair_mapping *regpair = NULL;
 901         char alpha2[2];
 902         u32 reg_code;
 903
 904         ev = (struct ath6kl_wmi_regdomain *) datap;
 905         reg_code = le32_to_cpu(ev->reg_code);
 906
 907         if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG)
 908                 country = ath6kl_regd_find_country((u16) reg_code);
 909         else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
 910
 911                 regpair = ath6kl_get_regpair((u16) reg_code);
 912                 country = ath6kl_regd_find_country_by_rd((u16) reg_code);
 913                 ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
 914                            regpair->regDmnEnum);
 915         }
 916
 917         if (country && wmi->parent_dev->wiphy_registered) {
 918                 alpha2[0] = country->isoName[0];
 919                 alpha2[1] = country->isoName[1];
 920
 921                 regulatory_hint(wmi->parent_dev->wiphy, alpha2);
 922
 923                 ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
 924                            alpha2[0], alpha2[1]);
 925         }
 926 }
 927
 928 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
 929                                           struct ath6kl_vif *vif)
 930 {
 931         struct wmi_disconnect_event *ev;
 932         wmi->traffic_class = 100;
 933
 934         if (len < sizeof(struct wmi_disconnect_event))
 935                 return -EINVAL;
 936
 937         ev = (struct wmi_disconnect_event *) datap;
 938
 939         ath6kl_dbg(ATH6KL_DBG_WMI,
 940                    "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
 941                    le16_to_cpu(ev->proto_reason_status), ev->bssid,
 942                    ev->disconn_reason, ev->assoc_resp_len);
 943
 944         wmi->is_wmm_enabled = false;
 945
 946         ath6kl_disconnect_event(vif, ev->disconn_reason,
 947                                 ev->bssid, ev->assoc_resp_len, ev->assoc_info,
 948                                 le16_to_cpu(ev->proto_reason_status));
 949
 950         return 0;
 951 }
 952
 953 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
 954 {
 955         struct wmi_peer_node_event *ev;
 956
 957         if (len < sizeof(struct wmi_peer_node_event))
 958                 return -EINVAL;
 959
 960         ev = (struct wmi_peer_node_event *) datap;
 961
 962         if (ev->event_code == PEER_NODE_JOIN_EVENT)
 963                 ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
 964                            ev->peer_mac_addr);
 965         else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
 966                 ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
 967                            ev->peer_mac_addr);
 968
 969         return 0;
 970 }
 971
 972 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
 973                                            struct ath6kl_vif *vif)
 974 {
 975         struct wmi_tkip_micerr_event *ev;
 976
 977         if (len < sizeof(struct wmi_tkip_micerr_event))
 978                 return -EINVAL;
 979
 980         ev = (struct wmi_tkip_micerr_event *) datap;
 981
 982         ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
 983
 984         return 0;
 985 }
 986
 987 void ath6kl_wmi_sscan_timer(unsigned long ptr)
 988 {
 989         struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
 990
 991         cfg80211_sched_scan_results(vif->ar->wiphy);
 992 }
 993
 994 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
 995                                        struct ath6kl_vif *vif)
 996 {
 997         struct wmi_bss_info_hdr2 *bih;
 998         u8 *buf;
 999         struct ieee80211_channel *channel;
1000         struct ath6kl *ar = wmi->parent_dev;
1001         struct ieee80211_mgmt *mgmt;
1002         struct cfg80211_bss *bss;
1003
1004         if (len <= sizeof(struct wmi_bss_info_hdr2))
1005                 return -EINVAL;
1006
1007         bih = (struct wmi_bss_info_hdr2 *) datap;
1008         buf = datap + sizeof(struct wmi_bss_info_hdr2);
1009         len -= sizeof(struct wmi_bss_info_hdr2);
1010
1011         ath6kl_dbg(ATH6KL_DBG_WMI,
1012                    "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1013                    "frame_type=%d\n",
1014                    bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1015                    bih->frame_type);
1016
1017         if (bih->frame_type != BEACON_FTYPE &&
1018             bih->frame_type != PROBERESP_FTYPE)
1019                 return 0; /* Only update BSS table for now */
1020
1021         if (bih->frame_type == BEACON_FTYPE &&
1022             test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1023                 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1024                 ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1025                                          NONE_BSS_FILTER, 0);
1026         }
1027
1028         channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1029         if (channel == NULL)
1030                 return -EINVAL;
1031
1032         if (len < 8 + 2 + 2)
1033                 return -EINVAL;
1034
1035         if (bih->frame_type == BEACON_FTYPE && test_bit(CONNECTED, &vif->flags)
1036             && memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1037                 const u8 *tim;
1038                 tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1039                                        len - 8 - 2 - 2);
1040                 if (tim && tim[1] >= 2) {
1041                         vif->assoc_bss_dtim_period = tim[3];
1042                         set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1043                 }
1044         }
1045
1046         /*
1047          * In theory, use of cfg80211_inform_bss() would be more natural here
1048          * since we do not have the full frame. However, at least for now,
1049          * cfg80211 can only distinguish Beacon and Probe Response frames from
1050          * each other when using cfg80211_inform_bss_frame(), so let's build a
1051          * fake IEEE 802.11 header to be able to take benefit of this.
1052          */
1053         mgmt = kmalloc(24 + len, GFP_ATOMIC);
1054         if (mgmt == NULL)
1055                 return -EINVAL;
1056
1057         if (bih->frame_type == BEACON_FTYPE) {
1058                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1059                                                   IEEE80211_STYPE_BEACON);
1060                 memset(mgmt->da, 0xff, ETH_ALEN);
1061         } else {
1062                 struct net_device *dev = vif->ndev;
1063
1064                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1065                                                   IEEE80211_STYPE_PROBE_RESP);
1066                 memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
1067         }
1068         mgmt->duration = cpu_to_le16(0);
1069         memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
1070         memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
1071         mgmt->seq_ctrl = cpu_to_le16(0);
1072
1073         memcpy(&mgmt->u.beacon, buf, len);
1074
1075         bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
1076                                         24 + len, (bih->snr - 95) * 100,
1077                                         GFP_ATOMIC);
1078         kfree(mgmt);
1079         if (bss == NULL)
1080                 return -ENOMEM;
1081         cfg80211_put_bss(bss);
1082
1083         /*
1084          * Firmware doesn't return any event when scheduled scan has
1085          * finished, so we need to use a timer to find out when there are
1086          * no more results.
1087          *
1088          * The timer is started from the first bss info received, otherwise
1089          * the timer would not ever fire if the scan interval is short
1090          * enough.
1091          */
1092         if (ar->state == ATH6KL_STATE_SCHED_SCAN &&
1093             !timer_pending(&vif->sched_scan_timer)) {
1094                 mod_timer(&vif->sched_scan_timer, jiffies +
1095                           msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1096         }
1097
1098         return 0;
1099 }
1100
1101 /* Inactivity timeout of a fatpipe(pstream) at the target */
1102 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1103                                                int len)
1104 {
1105         struct wmi_pstream_timeout_event *ev;
1106
1107         if (len < sizeof(struct wmi_pstream_timeout_event))
1108                 return -EINVAL;
1109
1110         ev = (struct wmi_pstream_timeout_event *) datap;
1111
1112         /*
1113          * When the pstream (fat pipe == AC) timesout, it means there were
1114          * no thinStreams within this pstream & it got implicitly created
1115          * due to data flow on this AC. We start the inactivity timer only
1116          * for implicitly created pstream. Just reset the host state.
1117          */
1118         spin_lock_bh(&wmi->lock);
1119         wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1120         wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1121         spin_unlock_bh(&wmi->lock);
1122
1123         /* Indicate inactivity to driver layer for this fatpipe (pstream) */
1124         ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1125
1126         return 0;
1127 }
1128
1129 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1130 {
1131         struct wmi_bit_rate_reply *reply;
1132         s32 rate;
1133         u32 sgi, index;
1134
1135         if (len < sizeof(struct wmi_bit_rate_reply))
1136                 return -EINVAL;
1137
1138         reply = (struct wmi_bit_rate_reply *) datap;
1139
1140         ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1141
1142         if (reply->rate_index == (s8) RATE_AUTO) {
1143                 rate = RATE_AUTO;
1144         } else {
1145                 index = reply->rate_index & 0x7f;
1146                 sgi = (reply->rate_index & 0x80) ? 1 : 0;
1147                 rate = wmi_rate_tbl[index][sgi];
1148         }
1149
1150         ath6kl_wakeup_event(wmi->parent_dev);
1151
1152         return 0;
1153 }
1154
1155 static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1156 {
1157         ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1158
1159         return 0;
1160 }
1161
1162 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1163 {
1164         if (len < sizeof(struct wmi_fix_rates_reply))
1165                 return -EINVAL;
1166
1167         ath6kl_wakeup_event(wmi->parent_dev);
1168
1169         return 0;
1170 }
1171
1172 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1173 {
1174         if (len < sizeof(struct wmi_channel_list_reply))
1175                 return -EINVAL;
1176
1177         ath6kl_wakeup_event(wmi->parent_dev);
1178
1179         return 0;
1180 }
1181
1182 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1183 {
1184         struct wmi_tx_pwr_reply *reply;
1185
1186         if (len < sizeof(struct wmi_tx_pwr_reply))
1187                 return -EINVAL;
1188
1189         reply = (struct wmi_tx_pwr_reply *) datap;
1190         ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1191
1192         return 0;
1193 }
1194
1195 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1196 {
1197         if (len < sizeof(struct wmi_get_keepalive_cmd))
1198                 return -EINVAL;
1199
1200         ath6kl_wakeup_event(wmi->parent_dev);
1201
1202         return 0;
1203 }
1204
1205 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1206                                        struct ath6kl_vif *vif)
1207 {
1208         struct wmi_scan_complete_event *ev;
1209
1210         ev = (struct wmi_scan_complete_event *) datap;
1211
1212         ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1213         wmi->is_probe_ssid = false;
1214
1215         return 0;
1216 }
1217
1218 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1219                                                int len, struct ath6kl_vif *vif)
1220 {
1221         struct wmi_neighbor_report_event *ev;
1222         u8 i;
1223
1224         if (len < sizeof(*ev))
1225                 return -EINVAL;
1226         ev = (struct wmi_neighbor_report_event *) datap;
1227         if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1228             > len) {
1229                 ath6kl_dbg(ATH6KL_DBG_WMI, "truncated neighbor event "
1230                            "(num=%d len=%d)\n", ev->num_neighbors, len);
1231                 return -EINVAL;
1232         }
1233         for (i = 0; i < ev->num_neighbors; i++) {
1234                 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1235                            i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1236                            ev->neighbor[i].bss_flags);
1237                 cfg80211_pmksa_candidate_notify(vif->ndev, i,
1238                                                 ev->neighbor[i].bssid,
1239                                                 !!(ev->neighbor[i].bss_flags &
1240                                                    WMI_PREAUTH_CAPABLE_BSS),
1241                                                 GFP_ATOMIC);
1242         }
1243
1244         return 0;
1245 }
1246
1247 /*
1248  * Target is reporting a programming error.  This is for
1249  * developer aid only.  Target only checks a few common violations
1250  * and it is responsibility of host to do all error checking.
1251  * Behavior of target after wmi error event is undefined.
1252  * A reset is recommended.
1253  */
1254 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1255 {
1256         const char *type = "unknown error";
1257         struct wmi_cmd_error_event *ev;
1258         ev = (struct wmi_cmd_error_event *) datap;
1259
1260         switch (ev->err_code) {
1261         case INVALID_PARAM:
1262                 type = "invalid parameter";
1263                 break;
1264         case ILLEGAL_STATE:
1265                 type = "invalid state";
1266                 break;
1267         case INTERNAL_ERROR:
1268                 type = "internal error";
1269                 break;
1270         }
1271
1272         ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1273                    ev->cmd_id, type);
1274
1275         return 0;
1276 }
1277
1278 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1279                                      struct ath6kl_vif *vif)
1280 {
1281         ath6kl_tgt_stats_event(vif, datap, len);
1282
1283         return 0;
1284 }
1285
1286 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1287                                          struct sq_threshold_params *sq_thresh,
1288                                          u32 size)
1289 {
1290         u32 index;
1291         u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1292
1293         /* The list is already in sorted order. Get the next lower value */
1294         for (index = 0; index < size; index++) {
1295                 if (rssi < sq_thresh->upper_threshold[index]) {
1296                         threshold = (u8) sq_thresh->upper_threshold[index];
1297                         break;
1298                 }
1299         }
1300
1301         return threshold;
1302 }
1303
1304 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1305                                          struct sq_threshold_params *sq_thresh,
1306                                          u32 size)
1307 {
1308         u32 index;
1309         u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1310
1311         /* The list is already in sorted order. Get the next lower value */
1312         for (index = 0; index < size; index++) {
1313                 if (rssi > sq_thresh->lower_threshold[index]) {
1314                         threshold = (u8) sq_thresh->lower_threshold[index];
1315                         break;
1316                 }
1317         }
1318
1319         return threshold;
1320 }
1321
1322 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1323                         struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1324 {
1325         struct sk_buff *skb;
1326         struct wmi_rssi_threshold_params_cmd *cmd;
1327
1328         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1329         if (!skb)
1330                 return -ENOMEM;
1331
1332         cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1333         memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1334
1335         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1336                                    NO_SYNC_WMIFLAG);
1337 }
1338
1339 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1340                                               int len)
1341 {
1342         struct wmi_rssi_threshold_event *reply;
1343         struct wmi_rssi_threshold_params_cmd cmd;
1344         struct sq_threshold_params *sq_thresh;
1345         enum wmi_rssi_threshold_val new_threshold;
1346         u8 upper_rssi_threshold, lower_rssi_threshold;
1347         s16 rssi;
1348         int ret;
1349
1350         if (len < sizeof(struct wmi_rssi_threshold_event))
1351                 return -EINVAL;
1352
1353         reply = (struct wmi_rssi_threshold_event *) datap;
1354         new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1355         rssi = a_sle16_to_cpu(reply->rssi);
1356
1357         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1358
1359         /*
1360          * Identify the threshold breached and communicate that to the app.
1361          * After that install a new set of thresholds based on the signal
1362          * quality reported by the target
1363          */
1364         if (new_threshold) {
1365                 /* Upper threshold breached */
1366                 if (rssi < sq_thresh->upper_threshold[0]) {
1367                         ath6kl_dbg(ATH6KL_DBG_WMI,
1368                                    "spurious upper rssi threshold event: %d\n",
1369                                    rssi);
1370                 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1371                            (rssi >= sq_thresh->upper_threshold[0])) {
1372                         new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1373                 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1374                            (rssi >= sq_thresh->upper_threshold[1])) {
1375                         new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1376                 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1377                            (rssi >= sq_thresh->upper_threshold[2])) {
1378                         new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1379                 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1380                            (rssi >= sq_thresh->upper_threshold[3])) {
1381                         new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1382                 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1383                            (rssi >= sq_thresh->upper_threshold[4])) {
1384                         new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1385                 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1386                         new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1387                 }
1388         } else {
1389                 /* Lower threshold breached */
1390                 if (rssi > sq_thresh->lower_threshold[0]) {
1391                         ath6kl_dbg(ATH6KL_DBG_WMI,
1392                                    "spurious lower rssi threshold event: %d %d\n",
1393                                 rssi, sq_thresh->lower_threshold[0]);
1394                 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1395                            (rssi <= sq_thresh->lower_threshold[0])) {
1396                         new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1397                 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1398                            (rssi <= sq_thresh->lower_threshold[1])) {
1399                         new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1400                 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1401                            (rssi <= sq_thresh->lower_threshold[2])) {
1402                         new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1403                 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1404                            (rssi <= sq_thresh->lower_threshold[3])) {
1405                         new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1406                 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1407                            (rssi <= sq_thresh->lower_threshold[4])) {
1408                         new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1409                 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1410                         new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1411                 }
1412         }
1413
1414         /* Calculate and install the next set of thresholds */
1415         lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1416                                        sq_thresh->lower_threshold_valid_count);
1417         upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1418                                        sq_thresh->upper_threshold_valid_count);
1419
1420         /* Issue a wmi command to install the thresholds */
1421         cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1422         cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1423         cmd.weight = sq_thresh->weight;
1424         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1425
1426         ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1427         if (ret) {
1428                 ath6kl_err("unable to configure rssi thresholds\n");
1429                 return -EIO;
1430         }
1431
1432         return 0;
1433 }
1434
1435 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1436                                    struct ath6kl_vif *vif)
1437 {
1438         struct wmi_cac_event *reply;
1439         struct ieee80211_tspec_ie *ts;
1440         u16 active_tsids, tsinfo;
1441         u8 tsid, index;
1442         u8 ts_id;
1443
1444         if (len < sizeof(struct wmi_cac_event))
1445                 return -EINVAL;
1446
1447         reply = (struct wmi_cac_event *) datap;
1448
1449         if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1450             (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1451
1452                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1453                 tsinfo = le16_to_cpu(ts->tsinfo);
1454                 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1455                         IEEE80211_WMM_IE_TSPEC_TID_MASK;
1456
1457                 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1458                                               reply->ac, tsid);
1459         } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1460                 /*
1461                  * Following assumes that there is only one outstanding
1462                  * ADDTS request when this event is received
1463                  */
1464                 spin_lock_bh(&wmi->lock);
1465                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1466                 spin_unlock_bh(&wmi->lock);
1467
1468                 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1469                         if ((active_tsids >> index) & 1)
1470                                 break;
1471                 }
1472                 if (index < (sizeof(active_tsids) * 8))
1473                         ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1474                                                       reply->ac, index);
1475         }
1476
1477         /*
1478          * Clear active tsids and Add missing handling
1479          * for delete qos stream from AP
1480          */
1481         else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1482
1483                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1484                 tsinfo = le16_to_cpu(ts->tsinfo);
1485                 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1486                          IEEE80211_WMM_IE_TSPEC_TID_MASK);
1487
1488                 spin_lock_bh(&wmi->lock);
1489                 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1490                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1491                 spin_unlock_bh(&wmi->lock);
1492
1493                 /* Indicate stream inactivity to driver layer only if all tsids
1494                  * within this AC are deleted.
1495                  */
1496                 if (!active_tsids) {
1497                         ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1498                                                     false);
1499                         wmi->fat_pipe_exist &= ~(1 << reply->ac);
1500                 }
1501         }
1502
1503         return 0;
1504 }
1505
1506 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1507                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1508 {
1509         struct sk_buff *skb;
1510         struct wmi_snr_threshold_params_cmd *cmd;
1511
1512         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1513         if (!skb)
1514                 return -ENOMEM;
1515
1516         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1517         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1518
1519         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1520                                    NO_SYNC_WMIFLAG);
1521 }
1522
1523 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1524                                              int len)
1525 {
1526         struct wmi_snr_threshold_event *reply;
1527         struct sq_threshold_params *sq_thresh;
1528         struct wmi_snr_threshold_params_cmd cmd;
1529         enum wmi_snr_threshold_val new_threshold;
1530         u8 upper_snr_threshold, lower_snr_threshold;
1531         s16 snr;
1532         int ret;
1533
1534         if (len < sizeof(struct wmi_snr_threshold_event))
1535                 return -EINVAL;
1536
1537         reply = (struct wmi_snr_threshold_event *) datap;
1538
1539         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1540         snr = reply->snr;
1541
1542         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1543
1544         /*
1545          * Identify the threshold breached and communicate that to the app.
1546          * After that install a new set of thresholds based on the signal
1547          * quality reported by the target.
1548          */
1549         if (new_threshold) {
1550                 /* Upper threshold breached */
1551                 if (snr < sq_thresh->upper_threshold[0]) {
1552                         ath6kl_dbg(ATH6KL_DBG_WMI,
1553                                    "spurious upper snr threshold event: %d\n",
1554                                    snr);
1555                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1556                            (snr >= sq_thresh->upper_threshold[0])) {
1557                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1558                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1559                            (snr >= sq_thresh->upper_threshold[1])) {
1560                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1561                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1562                            (snr >= sq_thresh->upper_threshold[2])) {
1563                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1564                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1565                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1566                 }
1567         } else {
1568                 /* Lower threshold breached */
1569                 if (snr > sq_thresh->lower_threshold[0]) {
1570                         ath6kl_dbg(ATH6KL_DBG_WMI,
1571                                    "spurious lower snr threshold event: %d\n",
1572                                    sq_thresh->lower_threshold[0]);
1573                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1574                            (snr <= sq_thresh->lower_threshold[0])) {
1575                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1576                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1577                            (snr <= sq_thresh->lower_threshold[1])) {
1578                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1579                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1580                            (snr <= sq_thresh->lower_threshold[2])) {
1581                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1582                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1583                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1584                 }
1585         }
1586
1587         /* Calculate and install the next set of thresholds */
1588         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1589                                        sq_thresh->lower_threshold_valid_count);
1590         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1591                                        sq_thresh->upper_threshold_valid_count);
1592
1593         /* Issue a wmi command to install the thresholds */
1594         cmd.thresh_above1_val = upper_snr_threshold;
1595         cmd.thresh_below1_val = lower_snr_threshold;
1596         cmd.weight = sq_thresh->weight;
1597         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1598
1599         ath6kl_dbg(ATH6KL_DBG_WMI,
1600                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1601                    snr, new_threshold,
1602                    lower_snr_threshold, upper_snr_threshold);
1603
1604         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1605         if (ret) {
1606                 ath6kl_err("unable to configure snr threshold\n");
1607                 return -EIO;
1608         }
1609
1610         return 0;
1611 }
1612
1613 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1614 {
1615         u16 ap_info_entry_size;
1616         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1617         struct wmi_ap_info_v1 *ap_info_v1;
1618         u8 index;
1619
1620         if (len < sizeof(struct wmi_aplist_event) ||
1621             ev->ap_list_ver != APLIST_VER1)
1622                 return -EINVAL;
1623
1624         ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1625         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1626
1627         ath6kl_dbg(ATH6KL_DBG_WMI,
1628                    "number of APs in aplist event: %d\n", ev->num_ap);
1629
1630         if (len < (int) (sizeof(struct wmi_aplist_event) +
1631                          (ev->num_ap - 1) * ap_info_entry_size))
1632                 return -EINVAL;
1633
1634         /* AP list version 1 contents */
1635         for (index = 0; index < ev->num_ap; index++) {
1636                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1637                            index, ap_info_v1->bssid, ap_info_v1->channel);
1638                 ap_info_v1++;
1639         }
1640
1641         return 0;
1642 }
1643
1644 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1645                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1646 {
1647         struct wmi_cmd_hdr *cmd_hdr;
1648         enum htc_endpoint_id ep_id = wmi->ep_id;
1649         int ret;
1650         u16 info1;
1651
1652         if (WARN_ON(skb == NULL || (if_idx > (wmi->parent_dev->vif_max - 1))))
1653                 return -EINVAL;
1654
1655         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1656                    cmd_id, skb->len, sync_flag);
1657         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1658                         skb->data, skb->len);
1659
1660         if (sync_flag >= END_WMIFLAG) {
1661                 dev_kfree_skb(skb);
1662                 return -EINVAL;
1663         }
1664
1665         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1666             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1667                 /*
1668                  * Make sure all data currently queued is transmitted before
1669                  * the cmd execution.  Establish a new sync point.
1670                  */
1671                 ath6kl_wmi_sync_point(wmi, if_idx);
1672         }
1673
1674         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1675
1676         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1677         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1678         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1679         cmd_hdr->info1 = cpu_to_le16(info1);
1680
1681         /* Only for OPT_TX_CMD, use BE endpoint. */
1682         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1683                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1684                                               false, false, 0, NULL, if_idx);
1685                 if (ret) {
1686                         dev_kfree_skb(skb);
1687                         return ret;
1688                 }
1689                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1690         }
1691
1692         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1693
1694         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1695             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1696                 /*
1697                  * Make sure all new data queued waits for the command to
1698                  * execute. Establish a new sync point.
1699                  */
1700                 ath6kl_wmi_sync_point(wmi, if_idx);
1701         }
1702
1703         return 0;
1704 }
1705
1706 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1707                            enum network_type nw_type,
1708                            enum dot11_auth_mode dot11_auth_mode,
1709                            enum auth_mode auth_mode,
1710                            enum crypto_type pairwise_crypto,
1711                            u8 pairwise_crypto_len,
1712                            enum crypto_type group_crypto,
1713                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1714                            u8 *bssid, u16 channel, u32 ctrl_flags,
1715                            u8 nw_subtype)
1716 {
1717         struct sk_buff *skb;
1718         struct wmi_connect_cmd *cc;
1719         int ret;
1720
1721         ath6kl_dbg(ATH6KL_DBG_WMI,
1722                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1723                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1724                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1725                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1726         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1727
1728         wmi->traffic_class = 100;
1729
1730         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1731                 return -EINVAL;
1732
1733         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1734                 return -EINVAL;
1735
1736         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1737         if (!skb)
1738                 return -ENOMEM;
1739
1740         cc = (struct wmi_connect_cmd *) skb->data;
1741
1742         if (ssid_len)
1743                 memcpy(cc->ssid, ssid, ssid_len);
1744
1745         cc->ssid_len = ssid_len;
1746         cc->nw_type = nw_type;
1747         cc->dot11_auth_mode = dot11_auth_mode;
1748         cc->auth_mode = auth_mode;
1749         cc->prwise_crypto_type = pairwise_crypto;
1750         cc->prwise_crypto_len = pairwise_crypto_len;
1751         cc->grp_crypto_type = group_crypto;
1752         cc->grp_crypto_len = group_crypto_len;
1753         cc->ch = cpu_to_le16(channel);
1754         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1755         cc->nw_subtype = nw_subtype;
1756
1757         if (bssid != NULL)
1758                 memcpy(cc->bssid, bssid, ETH_ALEN);
1759
1760         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1761                                   NO_SYNC_WMIFLAG);
1762
1763         return ret;
1764 }
1765
1766 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1767                              u16 channel)
1768 {
1769         struct sk_buff *skb;
1770         struct wmi_reconnect_cmd *cc;
1771         int ret;
1772
1773         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1774                    bssid, channel);
1775
1776         wmi->traffic_class = 100;
1777
1778         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1779         if (!skb)
1780                 return -ENOMEM;
1781
1782         cc = (struct wmi_reconnect_cmd *) skb->data;
1783         cc->channel = cpu_to_le16(channel);
1784
1785         if (bssid != NULL)
1786                 memcpy(cc->bssid, bssid, ETH_ALEN);
1787
1788         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1789                                   NO_SYNC_WMIFLAG);
1790
1791         return ret;
1792 }
1793
1794 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1795 {
1796         int ret;
1797
1798         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1799
1800         wmi->traffic_class = 100;
1801
1802         /* Disconnect command does not need to do a SYNC before. */
1803         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1804
1805         return ret;
1806 }
1807
1808 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1809                              enum wmi_scan_type scan_type,
1810                              u32 force_fgscan, u32 is_legacy,
1811                              u32 home_dwell_time, u32 force_scan_interval,
1812                              s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
1813 {
1814         struct sk_buff *skb;
1815         struct wmi_begin_scan_cmd *sc;
1816         s8 size;
1817         int i, band, ret;
1818         struct ath6kl *ar = wmi->parent_dev;
1819         int num_rates;
1820
1821         size = sizeof(struct wmi_begin_scan_cmd);
1822
1823         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1824                 return -EINVAL;
1825
1826         if (num_chan > WMI_MAX_CHANNELS)
1827                 return -EINVAL;
1828
1829         if (num_chan)
1830                 size += sizeof(u16) * (num_chan - 1);
1831
1832         skb = ath6kl_wmi_get_new_buf(size);
1833         if (!skb)
1834                 return -ENOMEM;
1835
1836         sc = (struct wmi_begin_scan_cmd *) skb->data;
1837         sc->scan_type = scan_type;
1838         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1839         sc->is_legacy = cpu_to_le32(is_legacy);
1840         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1841         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1842         sc->no_cck = cpu_to_le32(no_cck);
1843         sc->num_ch = num_chan;
1844
1845         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
1846                 struct ieee80211_supported_band *sband =
1847                     ar->wiphy->bands[band];
1848                 u32 ratemask = rates[band];
1849                 u8 *supp_rates = sc->supp_rates[band].rates;
1850                 num_rates = 0;
1851
1852                 for (i = 0; i < sband->n_bitrates; i++) {
1853                         if ((BIT(i) & ratemask) == 0)
1854                                 continue; /* skip rate */
1855                         supp_rates[num_rates++] =
1856                             (u8) (sband->bitrates[i].bitrate / 5);
1857                 }
1858                 sc->supp_rates[band].nrates = num_rates;
1859         }
1860
1861         for (i = 0; i < num_chan; i++)
1862                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1863
1864         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
1865                                   NO_SYNC_WMIFLAG);
1866
1867         return ret;
1868 }
1869
1870 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1871  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1872  * mgmt operations using station interface.
1873  */
1874 int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1875                              enum wmi_scan_type scan_type,
1876                              u32 force_fgscan, u32 is_legacy,
1877                              u32 home_dwell_time, u32 force_scan_interval,
1878                              s8 num_chan, u16 *ch_list)
1879 {
1880         struct sk_buff *skb;
1881         struct wmi_start_scan_cmd *sc;
1882         s8 size;
1883         int i, ret;
1884
1885         size = sizeof(struct wmi_start_scan_cmd);
1886
1887         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1888                 return -EINVAL;
1889
1890         if (num_chan > WMI_MAX_CHANNELS)
1891                 return -EINVAL;
1892
1893         if (num_chan)
1894                 size += sizeof(u16) * (num_chan - 1);
1895
1896         skb = ath6kl_wmi_get_new_buf(size);
1897         if (!skb)
1898                 return -ENOMEM;
1899
1900         sc = (struct wmi_start_scan_cmd *) skb->data;
1901         sc->scan_type = scan_type;
1902         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1903         sc->is_legacy = cpu_to_le32(is_legacy);
1904         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1905         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1906         sc->num_ch = num_chan;
1907
1908         for (i = 0; i < num_chan; i++)
1909                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1910
1911         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1912                                   NO_SYNC_WMIFLAG);
1913
1914         return ret;
1915 }
1916
1917 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
1918                               u16 fg_start_sec,
1919                               u16 fg_end_sec, u16 bg_sec,
1920                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
1921                               u16 pas_chdw_msec, u8 short_scan_ratio,
1922                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
1923                               u16 maxact_scan_per_ssid)
1924 {
1925         struct sk_buff *skb;
1926         struct wmi_scan_params_cmd *sc;
1927         int ret;
1928
1929         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
1930         if (!skb)
1931                 return -ENOMEM;
1932
1933         sc = (struct wmi_scan_params_cmd *) skb->data;
1934         sc->fg_start_period = cpu_to_le16(fg_start_sec);
1935         sc->fg_end_period = cpu_to_le16(fg_end_sec);
1936         sc->bg_period = cpu_to_le16(bg_sec);
1937         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
1938         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
1939         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
1940         sc->short_scan_ratio = short_scan_ratio;
1941         sc->scan_ctrl_flags = scan_ctrl_flag;
1942         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
1943         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
1944
1945         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
1946                                   NO_SYNC_WMIFLAG);
1947         return ret;
1948 }
1949
1950 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
1951 {
1952         struct sk_buff *skb;
1953         struct wmi_bss_filter_cmd *cmd;
1954         int ret;
1955
1956         if (filter >= LAST_BSS_FILTER)
1957                 return -EINVAL;
1958
1959         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1960         if (!skb)
1961                 return -ENOMEM;
1962
1963         cmd = (struct wmi_bss_filter_cmd *) skb->data;
1964         cmd->bss_filter = filter;
1965         cmd->ie_mask = cpu_to_le32(ie_mask);
1966
1967         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
1968                                   NO_SYNC_WMIFLAG);
1969         return ret;
1970 }
1971
1972 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
1973                               u8 ssid_len, u8 *ssid)
1974 {
1975         struct sk_buff *skb;
1976         struct wmi_probed_ssid_cmd *cmd;
1977         int ret;
1978
1979         if (index > MAX_PROBED_SSID_INDEX)
1980                 return -EINVAL;
1981
1982         if (ssid_len > sizeof(cmd->ssid))
1983                 return -EINVAL;
1984
1985         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
1986                 return -EINVAL;
1987
1988         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
1989                 return -EINVAL;
1990
1991         if (flag & SPECIFIC_SSID_FLAG)
1992                 wmi->is_probe_ssid = true;
1993
1994         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1995         if (!skb)
1996                 return -ENOMEM;
1997
1998         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
1999         cmd->entry_index = index;
2000         cmd->flag = flag;
2001         cmd->ssid_len = ssid_len;
2002         memcpy(cmd->ssid, ssid, ssid_len);
2003
2004         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2005                                   NO_SYNC_WMIFLAG);
2006         return ret;
2007 }
2008
2009 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2010                                   u16 listen_interval,
2011                                   u16 listen_beacons)
2012 {
2013         struct sk_buff *skb;
2014         struct wmi_listen_int_cmd *cmd;
2015         int ret;
2016
2017         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2018         if (!skb)
2019                 return -ENOMEM;
2020
2021         cmd = (struct wmi_listen_int_cmd *) skb->data;
2022         cmd->listen_intvl = cpu_to_le16(listen_interval);
2023         cmd->num_beacons = cpu_to_le16(listen_beacons);
2024
2025         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2026                                   NO_SYNC_WMIFLAG);
2027         return ret;
2028 }
2029
2030 int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2031                              u16 bmiss_time, u16 num_beacons)
2032 {
2033         struct sk_buff *skb;
2034         struct wmi_bmiss_time_cmd *cmd;
2035         int ret;
2036
2037         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2038         if (!skb)
2039                 return -ENOMEM;
2040
2041         cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2042         cmd->bmiss_time = cpu_to_le16(bmiss_time);
2043         cmd->num_beacons = cpu_to_le16(num_beacons);
2044
2045         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2046                                   NO_SYNC_WMIFLAG);
2047         return ret;
2048 }
2049
2050 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2051 {
2052         struct sk_buff *skb;
2053         struct wmi_power_mode_cmd *cmd;
2054         int ret;
2055
2056         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2057         if (!skb)
2058                 return -ENOMEM;
2059
2060         cmd = (struct wmi_power_mode_cmd *) skb->data;
2061         cmd->pwr_mode = pwr_mode;
2062         wmi->pwr_mode = pwr_mode;
2063
2064         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2065                                   NO_SYNC_WMIFLAG);
2066         return ret;
2067 }
2068
2069 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2070                             u16 ps_poll_num, u16 dtim_policy,
2071                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2072                             u16 ps_fail_event_policy)
2073 {
2074         struct sk_buff *skb;
2075         struct wmi_power_params_cmd *pm;
2076         int ret;
2077
2078         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2079         if (!skb)
2080                 return -ENOMEM;
2081
2082         pm = (struct wmi_power_params_cmd *)skb->data;
2083         pm->idle_period = cpu_to_le16(idle_period);
2084         pm->pspoll_number = cpu_to_le16(ps_poll_num);
2085         pm->dtim_policy = cpu_to_le16(dtim_policy);
2086         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2087         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2088         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2089
2090         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2091                                   NO_SYNC_WMIFLAG);
2092         return ret;
2093 }
2094
2095 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2096 {
2097         struct sk_buff *skb;
2098         struct wmi_disc_timeout_cmd *cmd;
2099         int ret;
2100
2101         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2102         if (!skb)
2103                 return -ENOMEM;
2104
2105         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2106         cmd->discon_timeout = timeout;
2107
2108         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2109                                   NO_SYNC_WMIFLAG);
2110
2111         if (ret == 0)
2112                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2113
2114         return ret;
2115 }
2116
2117 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2118                           enum crypto_type key_type,
2119                           u8 key_usage, u8 key_len,
2120                           u8 *key_rsc, unsigned int key_rsc_len,
2121                           u8 *key_material,
2122                           u8 key_op_ctrl, u8 *mac_addr,
2123                           enum wmi_sync_flag sync_flag)
2124 {
2125         struct sk_buff *skb;
2126         struct wmi_add_cipher_key_cmd *cmd;
2127         int ret;
2128
2129         ath6kl_dbg(ATH6KL_DBG_WMI, "addkey cmd: key_index=%u key_type=%d "
2130                    "key_usage=%d key_len=%d key_op_ctrl=%d\n",
2131                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2132
2133         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2134             (key_material == NULL) || key_rsc_len > 8)
2135                 return -EINVAL;
2136
2137         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2138                 return -EINVAL;
2139
2140         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2141         if (!skb)
2142                 return -ENOMEM;
2143
2144         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2145         cmd->key_index = key_index;
2146         cmd->key_type = key_type;
2147         cmd->key_usage = key_usage;
2148         cmd->key_len = key_len;
2149         memcpy(cmd->key, key_material, key_len);
2150
2151         if (key_rsc != NULL)
2152                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2153
2154         cmd->key_op_ctrl = key_op_ctrl;
2155
2156         if (mac_addr)
2157                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2158
2159         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2160                                   sync_flag);
2161
2162         return ret;
2163 }
2164
2165 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk)
2166 {
2167         struct sk_buff *skb;
2168         struct wmi_add_krk_cmd *cmd;
2169         int ret;
2170
2171         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2172         if (!skb)
2173                 return -ENOMEM;
2174
2175         cmd = (struct wmi_add_krk_cmd *) skb->data;
2176         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2177
2178         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2179                                   NO_SYNC_WMIFLAG);
2180
2181         return ret;
2182 }
2183
2184 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2185 {
2186         struct sk_buff *skb;
2187         struct wmi_delete_cipher_key_cmd *cmd;
2188         int ret;
2189
2190         if (key_index > WMI_MAX_KEY_INDEX)
2191                 return -EINVAL;
2192
2193         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2194         if (!skb)
2195                 return -ENOMEM;
2196
2197         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2198         cmd->key_index = key_index;
2199
2200         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2201                                   NO_SYNC_WMIFLAG);
2202
2203         return ret;
2204 }
2205
2206 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2207                             const u8 *pmkid, bool set)
2208 {
2209         struct sk_buff *skb;
2210         struct wmi_setpmkid_cmd *cmd;
2211         int ret;
2212
2213         if (bssid == NULL)
2214                 return -EINVAL;
2215
2216         if (set && pmkid == NULL)
2217                 return -EINVAL;
2218
2219         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2220         if (!skb)
2221                 return -ENOMEM;
2222
2223         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2224         memcpy(cmd->bssid, bssid, ETH_ALEN);
2225         if (set) {
2226                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2227                 cmd->enable = PMKID_ENABLE;
2228         } else {
2229                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2230                 cmd->enable = PMKID_DISABLE;
2231         }
2232
2233         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2234                                   NO_SYNC_WMIFLAG);
2235
2236         return ret;
2237 }
2238
2239 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2240                               enum htc_endpoint_id ep_id, u8 if_idx)
2241 {
2242         struct wmi_data_hdr *data_hdr;
2243         int ret;
2244
2245         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id))
2246                 return -EINVAL;
2247
2248         skb_push(skb, sizeof(struct wmi_data_hdr));
2249
2250         data_hdr = (struct wmi_data_hdr *) skb->data;
2251         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2252         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2253
2254         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2255
2256         return ret;
2257 }
2258
2259 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2260 {
2261         struct sk_buff *skb;
2262         struct wmi_sync_cmd *cmd;
2263         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2264         enum htc_endpoint_id ep_id;
2265         u8 index, num_pri_streams = 0;
2266         int ret = 0;
2267
2268         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2269
2270         spin_lock_bh(&wmi->lock);
2271
2272         for (index = 0; index < WMM_NUM_AC; index++) {
2273                 if (wmi->fat_pipe_exist & (1 << index)) {
2274                         num_pri_streams++;
2275                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2276                             index;
2277                 }
2278         }
2279
2280         spin_unlock_bh(&wmi->lock);
2281
2282         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2283         if (!skb) {
2284                 ret = -ENOMEM;
2285                 goto free_skb;
2286         }
2287
2288         cmd = (struct wmi_sync_cmd *) skb->data;
2289
2290         /*
2291          * In the SYNC cmd sent on the control Ep, send a bitmap
2292          * of the data eps on which the Data Sync will be sent
2293          */
2294         cmd->data_sync_map = wmi->fat_pipe_exist;
2295
2296         for (index = 0; index < num_pri_streams; index++) {
2297                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2298                 if (data_sync_bufs[index].skb == NULL) {
2299                         ret = -ENOMEM;
2300                         break;
2301                 }
2302         }
2303
2304         /*
2305          * If buffer allocation for any of the dataSync fails,
2306          * then do not send the Synchronize cmd on the control ep
2307          */
2308         if (ret)
2309                 goto free_skb;
2310
2311         /*
2312          * Send sync cmd followed by sync data messages on all
2313          * endpoints being used
2314          */
2315         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2316                                   NO_SYNC_WMIFLAG);
2317
2318         if (ret)
2319                 goto free_skb;
2320
2321         /* cmd buffer sent, we no longer own it */
2322         skb = NULL;
2323
2324         for (index = 0; index < num_pri_streams; index++) {
2325
2326                 if (WARN_ON(!data_sync_bufs[index].skb))
2327                         break;
2328
2329                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2330                                                data_sync_bufs[index].
2331                                                traffic_class);
2332                 ret =
2333                     ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2334                                               ep_id, if_idx);
2335
2336                 if (ret)
2337                         break;
2338
2339                 data_sync_bufs[index].skb = NULL;
2340         }
2341
2342 free_skb:
2343         /* free up any resources left over (possibly due to an error) */
2344         if (skb)
2345                 dev_kfree_skb(skb);
2346
2347         for (index = 0; index < num_pri_streams; index++) {
2348                 if (data_sync_bufs[index].skb != NULL) {
2349                         dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].
2350                                       skb);
2351                 }
2352         }
2353
2354         return ret;
2355 }
2356
2357 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2358                                   struct wmi_create_pstream_cmd *params)
2359 {
2360         struct sk_buff *skb;
2361         struct wmi_create_pstream_cmd *cmd;
2362         u8 fatpipe_exist_for_ac = 0;
2363         s32 min_phy = 0;
2364         s32 nominal_phy = 0;
2365         int ret;
2366
2367         if (!((params->user_pri < 8) &&
2368               (params->user_pri <= 0x7) &&
2369               (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2370               (params->traffic_direc == UPLINK_TRAFFIC ||
2371                params->traffic_direc == DNLINK_TRAFFIC ||
2372                params->traffic_direc == BIDIR_TRAFFIC) &&
2373               (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2374                params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2375               (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2376                params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2377                params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2378               (params->tsid == WMI_IMPLICIT_PSTREAM ||
2379                params->tsid <= WMI_MAX_THINSTREAM))) {
2380                 return -EINVAL;
2381         }
2382
2383         /*
2384          * Check nominal PHY rate is >= minimalPHY,
2385          * so that DUT can allow TSRS IE
2386          */
2387
2388         /* Get the physical rate (units of bps) */
2389         min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2390
2391         /* Check minimal phy < nominal phy rate */
2392         if (params->nominal_phy >= min_phy) {
2393                 /* unit of 500 kbps */
2394                 nominal_phy = (params->nominal_phy * 1000) / 500;
2395                 ath6kl_dbg(ATH6KL_DBG_WMI,
2396                            "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2397                            min_phy, nominal_phy);
2398
2399                 params->nominal_phy = nominal_phy;
2400         } else {
2401                 params->nominal_phy = 0;
2402         }
2403
2404         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2405         if (!skb)
2406                 return -ENOMEM;
2407
2408         ath6kl_dbg(ATH6KL_DBG_WMI,
2409                    "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2410                    params->traffic_class, params->tsid);
2411
2412         cmd = (struct wmi_create_pstream_cmd *) skb->data;
2413         memcpy(cmd, params, sizeof(*cmd));
2414
2415         /* This is an implicitly created Fat pipe */
2416         if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2417                 spin_lock_bh(&wmi->lock);
2418                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2419                                         (1 << params->traffic_class));
2420                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2421                 spin_unlock_bh(&wmi->lock);
2422         } else {
2423                 /* explicitly created thin stream within a fat pipe */
2424                 spin_lock_bh(&wmi->lock);
2425                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2426                                         (1 << params->traffic_class));
2427                 wmi->stream_exist_for_ac[params->traffic_class] |=
2428                     (1 << params->tsid);
2429                 /*
2430                  * If a thinstream becomes active, the fat pipe automatically
2431                  * becomes active
2432                  */
2433                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2434                 spin_unlock_bh(&wmi->lock);
2435         }
2436
2437         /*
2438          * Indicate activty change to driver layer only if this is the
2439          * first TSID to get created in this AC explicitly or an implicit
2440          * fat pipe is getting created.
2441          */
2442         if (!fatpipe_exist_for_ac)
2443                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2444                                             params->traffic_class, true);
2445
2446         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2447                                   NO_SYNC_WMIFLAG);
2448         return ret;
2449 }
2450
2451 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2452                                   u8 tsid)
2453 {
2454         struct sk_buff *skb;
2455         struct wmi_delete_pstream_cmd *cmd;
2456         u16 active_tsids = 0;
2457         int ret;
2458
2459         if (traffic_class > 3) {
2460                 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2461                 return -EINVAL;
2462         }
2463
2464         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2465         if (!skb)
2466                 return -ENOMEM;
2467
2468         cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2469         cmd->traffic_class = traffic_class;
2470         cmd->tsid = tsid;
2471
2472         spin_lock_bh(&wmi->lock);
2473         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2474         spin_unlock_bh(&wmi->lock);
2475
2476         if (!(active_tsids & (1 << tsid))) {
2477                 dev_kfree_skb(skb);
2478                 ath6kl_dbg(ATH6KL_DBG_WMI,
2479                            "TSID %d doesn't exist for traffic class: %d\n",
2480                            tsid, traffic_class);
2481                 return -ENODATA;
2482         }
2483
2484         ath6kl_dbg(ATH6KL_DBG_WMI,
2485                    "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2486                    traffic_class, tsid);
2487
2488         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2489                                   SYNC_BEFORE_WMIFLAG);
2490
2491         spin_lock_bh(&wmi->lock);
2492         wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2493         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2494         spin_unlock_bh(&wmi->lock);
2495
2496         /*
2497          * Indicate stream inactivity to driver layer only if all tsids
2498          * within this AC are deleted.
2499          */
2500         if (!active_tsids) {
2501                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2502                                             traffic_class, false);
2503                 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2504         }
2505
2506         return ret;
2507 }
2508
2509 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2510                           __be32 ips0, __be32 ips1)
2511 {
2512         struct sk_buff *skb;
2513         struct wmi_set_ip_cmd *cmd;
2514         int ret;
2515
2516         /* Multicast address are not valid */
2517         if (ipv4_is_multicast(ips0) ||
2518             ipv4_is_multicast(ips1))
2519                 return -EINVAL;
2520
2521         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2522         if (!skb)
2523                 return -ENOMEM;
2524
2525         cmd = (struct wmi_set_ip_cmd *) skb->data;
2526         cmd->ips[0] = ips0;
2527         cmd->ips[1] = ips1;
2528
2529         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2530                                   NO_SYNC_WMIFLAG);
2531         return ret;
2532 }
2533
2534 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2535 {
2536         u16 active_tsids;
2537         u8 stream_exist;
2538         int i;
2539
2540         /*
2541          * Relinquish credits from all implicitly created pstreams
2542          * since when we go to sleep. If user created explicit
2543          * thinstreams exists with in a fatpipe leave them intact
2544          * for the user to delete.
2545          */
2546         spin_lock_bh(&wmi->lock);
2547         stream_exist = wmi->fat_pipe_exist;
2548         spin_unlock_bh(&wmi->lock);
2549
2550         for (i = 0; i < WMM_NUM_AC; i++) {
2551                 if (stream_exist & (1 << i)) {
2552
2553                         /*
2554                          * FIXME: Is this lock & unlock inside
2555                          * for loop correct? may need rework.
2556                          */
2557                         spin_lock_bh(&wmi->lock);
2558                         active_tsids = wmi->stream_exist_for_ac[i];
2559                         spin_unlock_bh(&wmi->lock);
2560
2561                         /*
2562                          * If there are no user created thin streams
2563                          * delete the fatpipe
2564                          */
2565                         if (!active_tsids) {
2566                                 stream_exist &= ~(1 << i);
2567                                 /*
2568                                  * Indicate inactivity to driver layer for
2569                                  * this fatpipe (pstream)
2570                                  */
2571                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2572                                                             i, false);
2573                         }
2574                 }
2575         }
2576
2577         /* FIXME: Can we do this assignment without locking ? */
2578         spin_lock_bh(&wmi->lock);
2579         wmi->fat_pipe_exist = stream_exist;
2580         spin_unlock_bh(&wmi->lock);
2581 }
2582
2583 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2584                                        enum ath6kl_host_mode host_mode)
2585 {
2586         struct sk_buff *skb;
2587         struct wmi_set_host_sleep_mode_cmd *cmd;
2588         int ret;
2589
2590         if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2591             (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2592                 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2593                 return -EINVAL;
2594         }
2595
2596         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2597         if (!skb)
2598                 return -ENOMEM;
2599
2600         cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2601
2602         if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2603                 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2604                 cmd->asleep = cpu_to_le32(1);
2605         } else
2606                 cmd->awake = cpu_to_le32(1);
2607
2608         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2609                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2610                                   NO_SYNC_WMIFLAG);
2611         return ret;
2612 }
2613
2614 /* This command has zero length payload */
2615 static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2616                                                       struct ath6kl_vif *vif)
2617 {
2618         struct ath6kl *ar = wmi->parent_dev;
2619
2620         set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2621         wake_up(&ar->event_wq);
2622
2623         return 0;
2624 }
2625
2626 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2627                                 enum ath6kl_wow_mode wow_mode,
2628                                 u32 filter, u16 host_req_delay)
2629 {
2630         struct sk_buff *skb;
2631         struct wmi_set_wow_mode_cmd *cmd;
2632         int ret;
2633
2634         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2635             wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2636                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2637                 return -EINVAL;
2638         }
2639
2640         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2641         if (!skb)
2642                 return -ENOMEM;
2643
2644         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2645         cmd->enable_wow = cpu_to_le32(wow_mode);
2646         cmd->filter = cpu_to_le32(filter);
2647         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2648
2649         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2650                                   NO_SYNC_WMIFLAG);
2651         return ret;
2652 }
2653
2654 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2655                                    u8 list_id, u8 filter_size,
2656                                    u8 filter_offset, const u8 *filter,
2657                                    const u8 *mask)
2658 {
2659         struct sk_buff *skb;
2660         struct wmi_add_wow_pattern_cmd *cmd;
2661         u16 size;
2662         u8 *filter_mask;
2663         int ret;
2664
2665         /*
2666          * Allocate additional memory in the buffer to hold
2667          * filter and mask value, which is twice of filter_size.
2668          */
2669         size = sizeof(*cmd) + (2 * filter_size);
2670
2671         skb = ath6kl_wmi_get_new_buf(size);
2672         if (!skb)
2673                 return -ENOMEM;
2674
2675         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2676         cmd->filter_list_id = list_id;
2677         cmd->filter_size = filter_size;
2678         cmd->filter_offset = filter_offset;
2679
2680         memcpy(cmd->filter, filter, filter_size);
2681
2682         filter_mask = (u8 *) (cmd->filter + filter_size);
2683         memcpy(filter_mask, mask, filter_size);
2684
2685         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2686                                   NO_SYNC_WMIFLAG);
2687
2688         return ret;
2689 }
2690
2691 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2692                                    u16 list_id, u16 filter_id)
2693 {
2694         struct sk_buff *skb;
2695         struct wmi_del_wow_pattern_cmd *cmd;
2696         int ret;
2697
2698         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2699         if (!skb)
2700                 return -ENOMEM;
2701
2702         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2703         cmd->filter_list_id = cpu_to_le16(list_id);
2704         cmd->filter_id = cpu_to_le16(filter_id);
2705
2706         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2707                                   NO_SYNC_WMIFLAG);
2708         return ret;
2709 }
2710
2711 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2712                                     enum wmix_command_id cmd_id,
2713                                     enum wmi_sync_flag sync_flag)
2714 {
2715         struct wmix_cmd_hdr *cmd_hdr;
2716         int ret;
2717
2718         skb_push(skb, sizeof(struct wmix_cmd_hdr));
2719
2720         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2721         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2722
2723         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
2724
2725         return ret;
2726 }
2727
2728 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2729 {
2730         struct sk_buff *skb;
2731         struct wmix_hb_challenge_resp_cmd *cmd;
2732         int ret;
2733
2734         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2735         if (!skb)
2736                 return -ENOMEM;
2737
2738         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
2739         cmd->cookie = cpu_to_le32(cookie);
2740         cmd->source = cpu_to_le32(source);
2741
2742         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
2743                                        NO_SYNC_WMIFLAG);
2744         return ret;
2745 }
2746
2747 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
2748 {
2749         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
2750         struct sk_buff *skb;
2751         int ret;
2752
2753         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2754         if (!skb)
2755                 return -ENOMEM;
2756
2757         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
2758         cmd->valid = cpu_to_le32(valid);
2759         cmd->config = cpu_to_le32(config);
2760
2761         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
2762                                        NO_SYNC_WMIFLAG);
2763         return ret;
2764 }
2765
2766 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
2767 {
2768         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
2769 }
2770
2771 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
2772 {
2773         struct sk_buff *skb;
2774         struct wmi_set_tx_pwr_cmd *cmd;
2775         int ret;
2776
2777         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
2778         if (!skb)
2779                 return -ENOMEM;
2780
2781         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
2782         cmd->dbM = dbM;
2783
2784         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
2785                                   NO_SYNC_WMIFLAG);
2786
2787         return ret;
2788 }
2789
2790 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
2791 {
2792         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
2793 }
2794
2795 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
2796 {
2797         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
2798 }
2799
2800 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
2801                                  u8 preamble_policy)
2802 {
2803         struct sk_buff *skb;
2804         struct wmi_set_lpreamble_cmd *cmd;
2805         int ret;
2806
2807         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
2808         if (!skb)
2809                 return -ENOMEM;
2810
2811         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
2812         cmd->status = status;
2813         cmd->preamble_policy = preamble_policy;
2814
2815         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
2816                                   NO_SYNC_WMIFLAG);
2817         return ret;
2818 }
2819
2820 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
2821 {
2822         struct sk_buff *skb;
2823         struct wmi_set_rts_cmd *cmd;
2824         int ret;
2825
2826         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
2827         if (!skb)
2828                 return -ENOMEM;
2829
2830         cmd = (struct wmi_set_rts_cmd *) skb->data;
2831         cmd->threshold = cpu_to_le16(threshold);
2832
2833         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
2834                                   NO_SYNC_WMIFLAG);
2835         return ret;
2836 }
2837
2838 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
2839 {
2840         struct sk_buff *skb;
2841         struct wmi_set_wmm_txop_cmd *cmd;
2842         int ret;
2843
2844         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
2845                 return -EINVAL;
2846
2847         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
2848         if (!skb)
2849                 return -ENOMEM;
2850
2851         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
2852         cmd->txop_enable = cfg;
2853
2854         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
2855                                   NO_SYNC_WMIFLAG);
2856         return ret;
2857 }
2858
2859 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
2860                                  u8 keep_alive_intvl)
2861 {
2862         struct sk_buff *skb;
2863         struct wmi_set_keepalive_cmd *cmd;
2864         int ret;
2865
2866         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2867         if (!skb)
2868                 return -ENOMEM;
2869
2870         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
2871         cmd->keep_alive_intvl = keep_alive_intvl;
2872
2873         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
2874                                   NO_SYNC_WMIFLAG);
2875
2876         if (ret == 0)
2877                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
2878
2879         return ret;
2880 }
2881
2882 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
2883 {
2884         struct sk_buff *skb;
2885         int ret;
2886
2887         skb = ath6kl_wmi_get_new_buf(len);
2888         if (!skb)
2889                 return -ENOMEM;
2890
2891         memcpy(skb->data, buf, len);
2892
2893         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
2894
2895         return ret;
2896 }
2897
2898 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
2899 {
2900         struct sk_buff *skb;
2901         struct wmi_mcast_filter_cmd *cmd;
2902         int ret;
2903
2904         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2905         if (!skb)
2906                 return -ENOMEM;
2907
2908         cmd = (struct wmi_mcast_filter_cmd *) skb->data;
2909         cmd->mcast_all_enable = mc_all_on;
2910
2911         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
2912                                   NO_SYNC_WMIFLAG);
2913         return ret;
2914 }
2915
2916 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
2917                                         u8 *filter, bool add_filter)
2918 {
2919         struct sk_buff *skb;
2920         struct wmi_mcast_filter_add_del_cmd *cmd;
2921         int ret;
2922
2923         if ((filter[0] != 0x33 || filter[1] != 0x33) &&
2924             (filter[0] != 0x01 || filter[1] != 0x00 ||
2925             filter[2] != 0x5e || filter[3] > 0x7f)) {
2926                 ath6kl_warn("invalid multicast filter address\n");
2927                 return -EINVAL;
2928         }
2929
2930         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2931         if (!skb)
2932                 return -ENOMEM;
2933
2934         cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
2935         memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
2936         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2937                                   add_filter ? WMI_SET_MCAST_FILTER_CMDID :
2938                                   WMI_DEL_MCAST_FILTER_CMDID,
2939                                   NO_SYNC_WMIFLAG);
2940
2941         return ret;
2942 }
2943
2944 s32 ath6kl_wmi_get_rate(s8 rate_index)
2945 {
2946         if (rate_index == RATE_AUTO)
2947                 return 0;
2948
2949         return wmi_rate_tbl[(u32) rate_index][0];
2950 }
2951
2952 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
2953                                               u32 len)
2954 {
2955         struct wmi_pmkid_list_reply *reply;
2956         u32 expected_len;
2957
2958         if (len < sizeof(struct wmi_pmkid_list_reply))
2959                 return -EINVAL;
2960
2961         reply = (struct wmi_pmkid_list_reply *)datap;
2962         expected_len = sizeof(reply->num_pmkid) +
2963                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
2964
2965         if (len < expected_len)
2966                 return -EINVAL;
2967
2968         return 0;
2969 }
2970
2971 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2972                                          struct ath6kl_vif *vif)
2973 {
2974         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
2975
2976         aggr_recv_addba_req_evt(vif, cmd->tid,
2977                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
2978
2979         return 0;
2980 }
2981
2982 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2983                                          struct ath6kl_vif *vif)
2984 {
2985         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
2986
2987         aggr_recv_delba_req_evt(vif, cmd->tid);
2988
2989         return 0;
2990 }
2991
2992 /*  AP mode functions */
2993
2994 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
2995                                  struct wmi_connect_cmd *p)
2996 {
2997         struct sk_buff *skb;
2998         struct wmi_connect_cmd *cm;
2999         int res;
3000
3001         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3002         if (!skb)
3003                 return -ENOMEM;
3004
3005         cm = (struct wmi_connect_cmd *) skb->data;
3006         memcpy(cm, p, sizeof(*cm));
3007
3008         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3009                                   NO_SYNC_WMIFLAG);
3010         ath6kl_dbg(ATH6KL_DBG_WMI, "%s: nw_type=%u auth_mode=%u ch=%u "
3011                    "ctrl_flags=0x%x-> res=%d\n",
3012                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3013                    le32_to_cpu(p->ctrl_flags), res);
3014         return res;
3015 }
3016
3017 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3018                            u16 reason)
3019 {
3020         struct sk_buff *skb;
3021         struct wmi_ap_set_mlme_cmd *cm;
3022
3023         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3024         if (!skb)
3025                 return -ENOMEM;
3026
3027         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3028         memcpy(cm->mac, mac, ETH_ALEN);
3029         cm->reason = cpu_to_le16(reason);
3030         cm->cmd = cmd;
3031
3032         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3033                                    NO_SYNC_WMIFLAG);
3034 }
3035
3036 int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3037 {
3038         struct sk_buff *skb;
3039         struct wmi_ap_hidden_ssid_cmd *cmd;
3040
3041         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3042         if (!skb)
3043                 return -ENOMEM;
3044
3045         cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3046         cmd->hidden_ssid = enable ? 1 : 0;
3047
3048         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3049                                    NO_SYNC_WMIFLAG);
3050 }
3051
3052 /* This command will be used to enable/disable AP uAPSD feature */
3053 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3054 {
3055         struct wmi_ap_set_apsd_cmd *cmd;
3056         struct sk_buff *skb;
3057
3058         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3059         if (!skb)
3060                 return -ENOMEM;
3061
3062         cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3063         cmd->enable = enable;
3064
3065         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3066                                    NO_SYNC_WMIFLAG);
3067 }
3068
3069 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3070                                              u16 aid, u16 bitmap, u32 flags)
3071 {
3072         struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3073         struct sk_buff *skb;
3074
3075         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3076         if (!skb)
3077                 return -ENOMEM;
3078
3079         cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3080         cmd->aid = cpu_to_le16(aid);
3081         cmd->bitmap = cpu_to_le16(bitmap);
3082         cmd->flags = cpu_to_le32(flags);
3083
3084         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3085                                    WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3086                                    NO_SYNC_WMIFLAG);
3087 }
3088
3089 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3090                                       struct ath6kl_vif *vif)
3091 {
3092         struct wmi_pspoll_event *ev;
3093
3094         if (len < sizeof(struct wmi_pspoll_event))
3095                 return -EINVAL;
3096
3097         ev = (struct wmi_pspoll_event *) datap;
3098
3099         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3100
3101         return 0;
3102 }
3103
3104 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3105                                           struct ath6kl_vif *vif)
3106 {
3107         ath6kl_dtimexpiry_event(vif);
3108
3109         return 0;
3110 }
3111
3112 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3113                            bool flag)
3114 {
3115         struct sk_buff *skb;
3116         struct wmi_ap_set_pvb_cmd *cmd;
3117         int ret;
3118
3119         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3120         if (!skb)
3121                 return -ENOMEM;
3122
3123         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3124         cmd->aid = cpu_to_le16(aid);
3125         cmd->rsvd = cpu_to_le16(0);
3126         cmd->flag = cpu_to_le32(flag);
3127
3128         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3129                                   NO_SYNC_WMIFLAG);
3130
3131         return 0;
3132 }
3133
3134 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3135                                        u8 rx_meta_ver,
3136                                        bool rx_dot11_hdr, bool defrag_on_host)
3137 {
3138         struct sk_buff *skb;
3139         struct wmi_rx_frame_format_cmd *cmd;
3140         int ret;
3141
3142         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3143         if (!skb)
3144                 return -ENOMEM;
3145
3146         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3147         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3148         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3149         cmd->meta_ver = rx_meta_ver;
3150
3151         /* Delete the local aggr state, on host */
3152         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3153                                   NO_SYNC_WMIFLAG);
3154
3155         return ret;
3156 }
3157
3158 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3159                              const u8 *ie, u8 ie_len)
3160 {
3161         struct sk_buff *skb;
3162         struct wmi_set_appie_cmd *p;
3163
3164         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3165         if (!skb)
3166                 return -ENOMEM;
3167
3168         ath6kl_dbg(ATH6KL_DBG_WMI, "set_appie_cmd: mgmt_frm_type=%u "
3169                    "ie_len=%u\n", mgmt_frm_type, ie_len);
3170         p = (struct wmi_set_appie_cmd *) skb->data;
3171         p->mgmt_frm_type = mgmt_frm_type;
3172         p->ie_len = ie_len;
3173
3174         if (ie != NULL && ie_len > 0)
3175                 memcpy(p->ie_info, ie, ie_len);
3176
3177         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3178                                    NO_SYNC_WMIFLAG);
3179 }
3180
3181 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3182 {
3183         struct sk_buff *skb;
3184         struct wmi_disable_11b_rates_cmd *cmd;
3185
3186         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3187         if (!skb)
3188                 return -ENOMEM;
3189
3190         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3191                    disable);
3192         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3193         cmd->disable = disable ? 1 : 0;
3194
3195         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3196                                    NO_SYNC_WMIFLAG);
3197 }
3198
3199 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3200 {
3201         struct sk_buff *skb;
3202         struct wmi_remain_on_chnl_cmd *p;
3203
3204         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3205         if (!skb)
3206                 return -ENOMEM;
3207
3208         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3209                    freq, dur);
3210         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3211         p->freq = cpu_to_le32(freq);
3212         p->duration = cpu_to_le32(dur);
3213         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3214                                    NO_SYNC_WMIFLAG);
3215 }
3216
3217 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3218  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3219  * mgmt operations using station interface.
3220  */
3221 static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3222                                       u32 freq, u32 wait, const u8 *data,
3223                                       u16 data_len)
3224 {
3225         struct sk_buff *skb;
3226         struct wmi_send_action_cmd *p;
3227         u8 *buf;
3228
3229         if (wait)
3230                 return -EINVAL; /* Offload for wait not supported */
3231
3232         buf = kmalloc(data_len, GFP_KERNEL);
3233         if (!buf)
3234                 return -ENOMEM;
3235
3236         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3237         if (!skb) {
3238                 kfree(buf);
3239                 return -ENOMEM;
3240         }
3241
3242         kfree(wmi->last_mgmt_tx_frame);
3243         memcpy(buf, data, data_len);
3244         wmi->last_mgmt_tx_frame = buf;
3245         wmi->last_mgmt_tx_frame_len = data_len;
3246
3247         ath6kl_dbg(ATH6KL_DBG_WMI, "send_action_cmd: id=%u freq=%u wait=%u "
3248                    "len=%u\n", id, freq, wait, data_len);
3249         p = (struct wmi_send_action_cmd *) skb->data;
3250         p->id = cpu_to_le32(id);
3251         p->freq = cpu_to_le32(freq);
3252         p->wait = cpu_to_le32(wait);
3253         p->len = cpu_to_le16(data_len);
3254         memcpy(p->data, data, data_len);
3255         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3256                                    NO_SYNC_WMIFLAG);
3257 }
3258
3259 static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3260                                       u32 freq, u32 wait, const u8 *data,
3261                                       u16 data_len, u32 no_cck)
3262 {
3263         struct sk_buff *skb;
3264         struct wmi_send_mgmt_cmd *p;
3265         u8 *buf;
3266
3267         if (wait)
3268                 return -EINVAL; /* Offload for wait not supported */
3269
3270         buf = kmalloc(data_len, GFP_KERNEL);
3271         if (!buf)
3272                 return -ENOMEM;
3273
3274         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3275         if (!skb) {
3276                 kfree(buf);
3277                 return -ENOMEM;
3278         }
3279
3280         kfree(wmi->last_mgmt_tx_frame);
3281         memcpy(buf, data, data_len);
3282         wmi->last_mgmt_tx_frame = buf;
3283         wmi->last_mgmt_tx_frame_len = data_len;
3284
3285         ath6kl_dbg(ATH6KL_DBG_WMI, "send_action_cmd: id=%u freq=%u wait=%u "
3286                    "len=%u\n", id, freq, wait, data_len);
3287         p = (struct wmi_send_mgmt_cmd *) skb->data;
3288         p->id = cpu_to_le32(id);
3289         p->freq = cpu_to_le32(freq);
3290         p->wait = cpu_to_le32(wait);
3291         p->no_cck = cpu_to_le32(no_cck);
3292         p->len = cpu_to_le16(data_len);
3293         memcpy(p->data, data, data_len);
3294         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3295                                    NO_SYNC_WMIFLAG);
3296 }
3297
3298 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3299                                 u32 wait, const u8 *data, u16 data_len,
3300                                 u32 no_cck)
3301 {
3302         int status;
3303         struct ath6kl *ar = wmi->parent_dev;
3304
3305         if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3306                      ar->fw_capabilities)) {
3307                 /*
3308                  * If capable of doing P2P mgmt operations using
3309                  * station interface, send additional information like
3310                  * supported rates to advertise and xmit rates for
3311                  * probe requests
3312                  */
3313                 status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3314                                                     wait, data, data_len,
3315                                                     no_cck);
3316         } else {
3317                 status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3318                                                     wait, data, data_len);
3319         }
3320
3321         return status;
3322 }
3323
3324 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3325                                        const u8 *dst, const u8 *data,
3326                                        u16 data_len)
3327 {
3328         struct sk_buff *skb;
3329         struct wmi_p2p_probe_response_cmd *p;
3330         size_t cmd_len = sizeof(*p) + data_len;
3331
3332         if (data_len == 0)
3333                 cmd_len++; /* work around target minimum length requirement */
3334
3335         skb = ath6kl_wmi_get_new_buf(cmd_len);
3336         if (!skb)
3337                 return -ENOMEM;
3338
3339         ath6kl_dbg(ATH6KL_DBG_WMI, "send_probe_response_cmd: freq=%u dst=%pM "
3340                    "len=%u\n", freq, dst, data_len);
3341         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3342         p->freq = cpu_to_le32(freq);
3343         memcpy(p->destination_addr, dst, ETH_ALEN);
3344         p->len = cpu_to_le16(data_len);
3345         memcpy(p->data, data, data_len);
3346         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3347                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3348                                    NO_SYNC_WMIFLAG);
3349 }
3350
3351 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3352 {
3353         struct sk_buff *skb;
3354         struct wmi_probe_req_report_cmd *p;
3355
3356         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3357         if (!skb)
3358                 return -ENOMEM;
3359
3360         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3361                    enable);
3362         p = (struct wmi_probe_req_report_cmd *) skb->data;
3363         p->enable = enable ? 1 : 0;
3364         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3365                                    NO_SYNC_WMIFLAG);
3366 }
3367
3368 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3369 {
3370         struct sk_buff *skb;
3371         struct wmi_get_p2p_info *p;
3372
3373         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3374         if (!skb)
3375                 return -ENOMEM;
3376
3377         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3378                    info_req_flags);
3379         p = (struct wmi_get_p2p_info *) skb->data;
3380         p->info_req_flags = cpu_to_le32(info_req_flags);
3381         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3382                                    NO_SYNC_WMIFLAG);
3383 }
3384
3385 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3386 {
3387         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3388         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3389                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3390 }
3391
3392 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3393 {
3394         struct wmix_cmd_hdr *cmd;
3395         u32 len;
3396         u16 id;
3397         u8 *datap;
3398         int ret = 0;
3399
3400         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3401                 ath6kl_err("bad packet 1\n");
3402                 return -EINVAL;
3403         }
3404
3405         cmd = (struct wmix_cmd_hdr *) skb->data;
3406         id = le32_to_cpu(cmd->cmd_id);
3407
3408         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3409
3410         datap = skb->data;
3411         len = skb->len;
3412
3413         switch (id) {
3414         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3415                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3416                 break;
3417         case WMIX_DBGLOG_EVENTID:
3418                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3419                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3420                 break;
3421         default:
3422                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3423                 ret = -EINVAL;
3424                 break;
3425         }
3426
3427         return ret;
3428 }
3429
3430 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3431 {
3432         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3433 }
3434
3435 /* Process interface specific wmi events, caller would free the datap */
3436 static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3437                                         u8 *datap, u32 len)
3438 {
3439         struct ath6kl_vif *vif;
3440
3441         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3442         if (!vif) {
3443                 ath6kl_dbg(ATH6KL_DBG_WMI,
3444                            "Wmi event for unavailable vif, vif_index:%d\n",
3445                             if_idx);
3446                 return -EINVAL;
3447         }
3448
3449         switch (cmd_id) {
3450         case WMI_CONNECT_EVENTID:
3451                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3452                 return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3453         case WMI_DISCONNECT_EVENTID:
3454                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3455                 return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3456         case WMI_TKIP_MICERR_EVENTID:
3457                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3458                 return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3459         case WMI_BSSINFO_EVENTID:
3460                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3461                 return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3462         case WMI_NEIGHBOR_REPORT_EVENTID:
3463                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3464                 return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3465                                                            vif);
3466         case WMI_SCAN_COMPLETE_EVENTID:
3467                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3468                 return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3469         case WMI_REPORT_STATISTICS_EVENTID:
3470                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3471                 return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3472         case WMI_CAC_EVENTID:
3473                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3474                 return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3475         case WMI_PSPOLL_EVENTID:
3476                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3477                 return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3478         case WMI_DTIMEXPIRY_EVENTID:
3479                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3480                 return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3481         case WMI_ADDBA_REQ_EVENTID:
3482                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3483                 return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3484         case WMI_DELBA_REQ_EVENTID:
3485                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3486                 return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3487         case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3488                 ath6kl_dbg(ATH6KL_DBG_WMI,
3489                            "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3490                 return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3491         case WMI_REMAIN_ON_CHNL_EVENTID:
3492                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3493                 return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3494         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3495                 ath6kl_dbg(ATH6KL_DBG_WMI,
3496                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3497                 return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3498                                                                  len, vif);
3499         case WMI_TX_STATUS_EVENTID:
3500                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3501                 return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3502         case WMI_RX_PROBE_REQ_EVENTID:
3503                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3504                 return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3505         case WMI_RX_ACTION_EVENTID:
3506                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3507                 return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3508         default:
3509                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3510                 return -EINVAL;
3511         }
3512
3513         return 0;
3514 }
3515
3516 static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3517 {
3518         struct wmi_cmd_hdr *cmd;
3519         int ret = 0;
3520         u32 len;
3521         u16 id;
3522         u8 if_idx;
3523         u8 *datap;
3524
3525         cmd = (struct wmi_cmd_hdr *) skb->data;
3526         id = le16_to_cpu(cmd->cmd_id);
3527         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3528
3529         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3530         datap = skb->data;
3531         len = skb->len;
3532
3533         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3534         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3535                         datap, len);
3536
3537         switch (id) {
3538         case WMI_GET_BITRATE_CMDID:
3539                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3540                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3541                 break;
3542         case WMI_GET_CHANNEL_LIST_CMDID:
3543                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3544                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3545                 break;
3546         case WMI_GET_TX_PWR_CMDID:
3547                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3548                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3549                 break;
3550         case WMI_READY_EVENTID:
3551                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3552                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3553                 break;
3554         case WMI_PEER_NODE_EVENTID:
3555                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3556                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
3557                 break;
3558         case WMI_REGDOMAIN_EVENTID:
3559                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
3560                 ath6kl_wmi_regdomain_event(wmi, datap, len);
3561                 break;
3562         case WMI_PSTREAM_TIMEOUT_EVENTID:
3563                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
3564                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
3565                 break;
3566         case WMI_CMDERROR_EVENTID:
3567                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
3568                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
3569                 break;
3570         case WMI_RSSI_THRESHOLD_EVENTID:
3571                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
3572                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
3573                 break;
3574         case WMI_ERROR_REPORT_EVENTID:
3575                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
3576                 break;
3577         case WMI_OPT_RX_FRAME_EVENTID:
3578                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
3579                 /* this event has been deprecated */
3580                 break;
3581         case WMI_REPORT_ROAM_TBL_EVENTID:
3582                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
3583                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
3584                 break;
3585         case WMI_EXTENSION_EVENTID:
3586                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
3587                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
3588                 break;
3589         case WMI_CHANNEL_CHANGE_EVENTID:
3590                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
3591                 break;
3592         case WMI_REPORT_ROAM_DATA_EVENTID:
3593                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
3594                 break;
3595         case WMI_TEST_EVENTID:
3596                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
3597                 ret = ath6kl_wmi_test_rx(wmi, datap, len);
3598                 break;
3599         case WMI_GET_FIXRATES_CMDID:
3600                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
3601                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
3602                 break;
3603         case WMI_TX_RETRY_ERR_EVENTID:
3604                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
3605                 break;
3606         case WMI_SNR_THRESHOLD_EVENTID:
3607                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
3608                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
3609                 break;
3610         case WMI_LQ_THRESHOLD_EVENTID:
3611                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
3612                 break;
3613         case WMI_APLIST_EVENTID:
3614                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
3615                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
3616                 break;
3617         case WMI_GET_KEEPALIVE_CMDID:
3618                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
3619                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
3620                 break;
3621         case WMI_GET_WOW_LIST_EVENTID:
3622                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
3623                 break;
3624         case WMI_GET_PMKID_LIST_EVENTID:
3625                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
3626                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
3627                 break;
3628         case WMI_SET_PARAMS_REPLY_EVENTID:
3629                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
3630                 break;
3631         case WMI_ADDBA_RESP_EVENTID:
3632                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
3633                 break;
3634         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
3635                 ath6kl_dbg(ATH6KL_DBG_WMI,
3636                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
3637                 break;
3638         case WMI_REPORT_BTCOEX_STATS_EVENTID:
3639                 ath6kl_dbg(ATH6KL_DBG_WMI,
3640                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
3641                 break;
3642         case WMI_TX_COMPLETE_EVENTID:
3643                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
3644                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
3645                 break;
3646         case WMI_P2P_CAPABILITIES_EVENTID:
3647                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
3648                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
3649                 break;
3650         case WMI_P2P_INFO_EVENTID:
3651                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
3652                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
3653                 break;
3654         default:
3655                 /* may be the event is interface specific */
3656                 ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
3657                 break;
3658         }
3659
3660         dev_kfree_skb(skb);
3661         return ret;
3662 }
3663
3664 /* Control Path */
3665 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
3666 {
3667         if (WARN_ON(skb == NULL))
3668                 return -EINVAL;
3669
3670         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
3671                 ath6kl_err("bad packet 1\n");
3672                 dev_kfree_skb(skb);
3673                 return -EINVAL;
3674         }
3675
3676         return ath6kl_wmi_proc_events(wmi, skb);
3677 }
3678
3679 void ath6kl_wmi_reset(struct wmi *wmi)
3680 {
3681         spin_lock_bh(&wmi->lock);
3682
3683         wmi->fat_pipe_exist = 0;
3684         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
3685
3686         spin_unlock_bh(&wmi->lock);
3687 }
3688
3689 void *ath6kl_wmi_init(struct ath6kl *dev)
3690 {
3691         struct wmi *wmi;
3692
3693         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
3694         if (!wmi)
3695                 return NULL;
3696
3697         spin_lock_init(&wmi->lock);
3698
3699         wmi->parent_dev = dev;
3700
3701         wmi->pwr_mode = REC_POWER;
3702
3703         ath6kl_wmi_reset(wmi);
3704
3705         return wmi;
3706 }
3707
3708 void ath6kl_wmi_shutdown(struct wmi *wmi)
3709 {
3710         if (!wmi)
3711                 return;
3712
3713         kfree(wmi->last_mgmt_tx_frame);
3714         kfree(wmi);
3715 }