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