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

   1 /*
   2  * Copyright (c) 2004-2011 Atheros Communications Inc.
   3  * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #include <linux/ip.h>
  19 #include <linux/in.h>
  20 #include "core.h"
  21 #include "debug.h"
  22 #include "testmode.h"
  23 #include "../regd.h"
  24 #include "../regd_common.h"
  25
  26 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
  27
  28 static const s32 wmi_rate_tbl[][2] = {
  29         /* {W/O SGI, with SGI} */
  30         {1000, 1000},
  31         {2000, 2000},
  32         {5500, 5500},
  33         {11000, 11000},
  34         {6000, 6000},
  35         {9000, 9000},
  36         {12000, 12000},
  37         {18000, 18000},
  38         {24000, 24000},
  39         {36000, 36000},
  40         {48000, 48000},
  41         {54000, 54000},
  42         {6500, 7200},
  43         {13000, 14400},
  44         {19500, 21700},
  45         {26000, 28900},
  46         {39000, 43300},
  47         {52000, 57800},
  48         {58500, 65000},
  49         {65000, 72200},
  50         {13500, 15000},
  51         {27000, 30000},
  52         {40500, 45000},
  53         {54000, 60000},
  54         {81000, 90000},
  55         {108000, 120000},
  56         {121500, 135000},
  57         {135000, 150000},
  58         {0, 0}
  59 };
  60
  61 /* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
  62 static const u8 up_to_ac[] = {
  63         WMM_AC_BE,
  64         WMM_AC_BK,
  65         WMM_AC_BK,
  66         WMM_AC_BE,
  67         WMM_AC_VI,
  68         WMM_AC_VI,
  69         WMM_AC_VO,
  70         WMM_AC_VO,
  71 };
  72
  73 void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
  74 {
  75         if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
  76                 return;
  77
  78         wmi->ep_id = ep_id;
  79 }
  80
  81 enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
  82 {
  83         return wmi->ep_id;
  84 }
  85
  86 struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
  87 {
  88         struct ath6kl_vif *vif, *found = NULL;
  89
  90         if (WARN_ON(if_idx > (ar->vif_max - 1)))
  91                 return NULL;
  92
  93         /* FIXME: Locking */
  94         spin_lock_bh(&ar->list_lock);
  95         list_for_each_entry(vif, &ar->vif_list, list) {
  96                 if (vif->fw_vif_idx == if_idx) {
  97                         found = vif;
  98                         break;
  99                 }
 100         }
 101         spin_unlock_bh(&ar->list_lock);
 102
 103         return found;
 104 }
 105
 106 /*  Performs DIX to 802.3 encapsulation for transmit packets.
 107  *  Assumes the entire DIX header is contigous and that there is
 108  *  enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
 109  */
 110 int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
 111 {
 112         struct ath6kl_llc_snap_hdr *llc_hdr;
 113         struct ethhdr *eth_hdr;
 114         size_t new_len;
 115         __be16 type;
 116         u8 *datap;
 117         u16 size;
 118
 119         if (WARN_ON(skb == NULL))
 120                 return -EINVAL;
 121
 122         size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
 123         if (skb_headroom(skb) < size)
 124                 return -ENOMEM;
 125
 126         eth_hdr = (struct ethhdr *) skb->data;
 127         type = eth_hdr->h_proto;
 128
 129         if (!is_ethertype(be16_to_cpu(type))) {
 130                 ath6kl_dbg(ATH6KL_DBG_WMI,
 131                            "%s: pkt is already in 802.3 format\n", __func__);
 132                 return 0;
 133         }
 134
 135         new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
 136
 137         skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
 138         datap = skb->data;
 139
 140         eth_hdr->h_proto = cpu_to_be16(new_len);
 141
 142         memcpy(datap, eth_hdr, sizeof(*eth_hdr));
 143
 144         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
 145         llc_hdr->dsap = 0xAA;
 146         llc_hdr->ssap = 0xAA;
 147         llc_hdr->cntl = 0x03;
 148         llc_hdr->org_code[0] = 0x0;
 149         llc_hdr->org_code[1] = 0x0;
 150         llc_hdr->org_code[2] = 0x0;
 151         llc_hdr->eth_type = type;
 152
 153         return 0;
 154 }
 155
 156 static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
 157                                u8 *version, void *tx_meta_info)
 158 {
 159         struct wmi_tx_meta_v1 *v1;
 160         struct wmi_tx_meta_v2 *v2;
 161
 162         if (WARN_ON(skb == NULL || version == NULL))
 163                 return -EINVAL;
 164
 165         switch (*version) {
 166         case WMI_META_VERSION_1:
 167                 skb_push(skb, WMI_MAX_TX_META_SZ);
 168                 v1 = (struct wmi_tx_meta_v1 *) skb->data;
 169                 v1->pkt_id = 0;
 170                 v1->rate_plcy_id = 0;
 171                 *version = WMI_META_VERSION_1;
 172                 break;
 173         case WMI_META_VERSION_2:
 174                 skb_push(skb, WMI_MAX_TX_META_SZ);
 175                 v2 = (struct wmi_tx_meta_v2 *) skb->data;
 176                 memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
 177                        sizeof(struct wmi_tx_meta_v2));
 178                 break;
 179         }
 180
 181         return 0;
 182 }
 183
 184 int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
 185                             u8 msg_type, u32 flags,
 186                             enum wmi_data_hdr_data_type data_type,
 187                             u8 meta_ver, void *tx_meta_info, u8 if_idx)
 188 {
 189         struct wmi_data_hdr *data_hdr;
 190         int ret;
 191
 192         if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))
 193                 return -EINVAL;
 194
 195         if (tx_meta_info) {
 196                 ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
 197                 if (ret)
 198                         return ret;
 199         }
 200
 201         skb_push(skb, sizeof(struct wmi_data_hdr));
 202
 203         data_hdr = (struct wmi_data_hdr *)skb->data;
 204         memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
 205
 206         data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
 207         data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
 208
 209         if (flags & WMI_DATA_HDR_FLAGS_MORE)
 210                 data_hdr->info |= WMI_DATA_HDR_MORE;
 211
 212         if (flags & WMI_DATA_HDR_FLAGS_EOSP)
 213                 data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);
 214
 215         data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
 216         data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
 217
 218         return 0;
 219 }
 220
 221 u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
 222 {
 223         struct iphdr *ip_hdr = (struct iphdr *) pkt;
 224         u8 ip_pri;
 225
 226         /*
 227          * Determine IPTOS priority
 228          *
 229          * IP-TOS - 8bits
 230          *          : DSCP(6-bits) ECN(2-bits)
 231          *          : DSCP - P2 P1 P0 X X X
 232          * where (P2 P1 P0) form 802.1D
 233          */
 234         ip_pri = ip_hdr->tos >> 5;
 235         ip_pri &= 0x7;
 236
 237         if ((layer2_pri & 0x7) > ip_pri)
 238                 return (u8) layer2_pri & 0x7;
 239         else
 240                 return ip_pri;
 241 }
 242
 243 u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
 244 {
 245         return  up_to_ac[user_priority & 0x7];
 246 }
 247
 248 int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
 249                                        struct sk_buff *skb,
 250                                        u32 layer2_priority, bool wmm_enabled,
 251                                        u8 *ac)
 252 {
 253         struct wmi_data_hdr *data_hdr;
 254         struct ath6kl_llc_snap_hdr *llc_hdr;
 255         struct wmi_create_pstream_cmd cmd;
 256         u32 meta_size, hdr_size;
 257         u16 ip_type = IP_ETHERTYPE;
 258         u8 stream_exist, usr_pri;
 259         u8 traffic_class = WMM_AC_BE;
 260         u8 *datap;
 261
 262         if (WARN_ON(skb == NULL))
 263                 return -EINVAL;
 264
 265         datap = skb->data;
 266         data_hdr = (struct wmi_data_hdr *) datap;
 267
 268         meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
 269                      WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
 270
 271         if (!wmm_enabled) {
 272                 /* If WMM is disabled all traffic goes as BE traffic */
 273                 usr_pri = 0;
 274         } else {
 275                 hdr_size = sizeof(struct ethhdr);
 276
 277                 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
 278                                                          sizeof(struct
 279                                                                 wmi_data_hdr) +
 280                                                          meta_size + hdr_size);
 281
 282                 if (llc_hdr->eth_type == htons(ip_type)) {
 283                         /*
 284                          * Extract the endpoint info from the TOS field
 285                          * in the IP header.
 286                          */
 287                         usr_pri =
 288                            ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
 289                                         sizeof(struct ath6kl_llc_snap_hdr),
 290                                         layer2_priority);
 291                 } else
 292                         usr_pri = layer2_priority & 0x7;
 293
 294                 /*
 295                  * Queue the EAPOL frames in the same WMM_AC_VO queue
 296                  * as that of management frames.
 297                  */
 298                 if (skb->protocol == cpu_to_be16(ETH_P_PAE))
 299                         usr_pri = WMI_VOICE_USER_PRIORITY;
 300         }
 301
 302         /*
 303          * workaround for WMM S5
 304          *
 305          * FIXME: wmi->traffic_class is always 100 so this test doesn't
 306          * make sense
 307          */
 308         if ((wmi->traffic_class == WMM_AC_VI) &&
 309             ((usr_pri == 5) || (usr_pri == 4)))
 310                 usr_pri = 1;
 311
 312         /* Convert user priority to traffic class */
 313         traffic_class = up_to_ac[usr_pri & 0x7];
 314
 315         wmi_data_hdr_set_up(data_hdr, usr_pri);
 316
 317         spin_lock_bh(&wmi->lock);
 318         stream_exist = wmi->fat_pipe_exist;
 319         spin_unlock_bh(&wmi->lock);
 320
 321         if (!(stream_exist & (1 << traffic_class))) {
 322                 memset(&cmd, 0, sizeof(cmd));
 323                 cmd.traffic_class = traffic_class;
 324                 cmd.user_pri = usr_pri;
 325                 cmd.inactivity_int =
 326                         cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
 327                 /* Implicit streams are created with TSID 0xFF */
 328                 cmd.tsid = WMI_IMPLICIT_PSTREAM;
 329                 ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
 330         }
 331
 332         *ac = traffic_class;
 333
 334         return 0;
 335 }
 336
 337 int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
 338 {
 339         struct ieee80211_hdr_3addr *pwh, wh;
 340         struct ath6kl_llc_snap_hdr *llc_hdr;
 341         struct ethhdr eth_hdr;
 342         u32 hdr_size;
 343         u8 *datap;
 344         __le16 sub_type;
 345
 346         if (WARN_ON(skb == NULL))
 347                 return -EINVAL;
 348
 349         datap = skb->data;
 350         pwh = (struct ieee80211_hdr_3addr *) datap;
 351
 352         sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
 353
 354         memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
 355
 356         /* Strip off the 802.11 header */
 357         if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
 358                 hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
 359                                    sizeof(u32));
 360                 skb_pull(skb, hdr_size);
 361         } else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA))
 362                 skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
 363
 364         datap = skb->data;
 365         llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
 366
 367         memset(&eth_hdr, 0, sizeof(eth_hdr));
 368         eth_hdr.h_proto = llc_hdr->eth_type;
 369
 370         switch ((le16_to_cpu(wh.frame_control)) &
 371                 (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
 372         case 0:
 373                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 374                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 375                 break;
 376         case IEEE80211_FCTL_TODS:
 377                 memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
 378                 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 379                 break;
 380         case IEEE80211_FCTL_FROMDS:
 381                 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 382                 memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
 383                 break;
 384         case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
 385                 break;
 386         }
 387
 388         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 389         skb_push(skb, sizeof(eth_hdr));
 390
 391         datap = skb->data;
 392
 393         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 394
 395         return 0;
 396 }
 397
 398 /*
 399  * Performs 802.3 to DIX encapsulation for received packets.
 400  * Assumes the entire 802.3 header is contigous.
 401  */
 402 int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
 403 {
 404         struct ath6kl_llc_snap_hdr *llc_hdr;
 405         struct ethhdr eth_hdr;
 406         u8 *datap;
 407
 408         if (WARN_ON(skb == NULL))
 409                 return -EINVAL;
 410
 411         datap = skb->data;
 412
 413         memcpy(&eth_hdr, datap, sizeof(eth_hdr));
 414
 415         llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
 416         eth_hdr.h_proto = llc_hdr->eth_type;
 417
 418         skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 419         datap = skb->data;
 420
 421         memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 422
 423         return 0;
 424 }
 425
 426 static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
 427 {
 428         struct tx_complete_msg_v1 *msg_v1;
 429         struct wmi_tx_complete_event *evt;
 430         int index;
 431         u16 size;
 432
 433         evt = (struct wmi_tx_complete_event *) datap;
 434
 435         ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
 436                    evt->num_msg, evt->msg_len, evt->msg_type);
 437
 438         for (index = 0; index < evt->num_msg; index++) {
 439                 size = sizeof(struct wmi_tx_complete_event) +
 440                     (index * sizeof(struct tx_complete_msg_v1));
 441                 msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
 442
 443                 ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
 444                            msg_v1->status, msg_v1->pkt_id,
 445                            msg_v1->rate_idx, msg_v1->ack_failures);
 446         }
 447
 448         return 0;
 449 }
 450
 451 static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
 452                                               int len, struct ath6kl_vif *vif)
 453 {
 454         struct wmi_remain_on_chnl_event *ev;
 455         u32 freq;
 456         u32 dur;
 457         struct ieee80211_channel *chan;
 458         struct ath6kl *ar = wmi->parent_dev;
 459         u32 id;
 460
 461         if (len < sizeof(*ev))
 462                 return -EINVAL;
 463
 464         ev = (struct wmi_remain_on_chnl_event *) datap;
 465         freq = le32_to_cpu(ev->freq);
 466         dur = le32_to_cpu(ev->duration);
 467         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
 468                    freq, dur);
 469         chan = ieee80211_get_channel(ar->wiphy, freq);
 470         if (!chan) {
 471                 ath6kl_dbg(ATH6KL_DBG_WMI,
 472                            "remain_on_chnl: Unknown channel (freq=%u)\n",
 473                            freq);
 474                 return -EINVAL;
 475         }
 476         id = vif->last_roc_id;
 477         cfg80211_ready_on_channel(&vif->wdev, id, chan, NL80211_CHAN_NO_HT,
 478                                   dur, GFP_ATOMIC);
 479
 480         return 0;
 481 }
 482
 483 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
 484                                                      u8 *datap, int len,
 485                                                      struct ath6kl_vif *vif)
 486 {
 487         struct wmi_cancel_remain_on_chnl_event *ev;
 488         u32 freq;
 489         u32 dur;
 490         struct ieee80211_channel *chan;
 491         struct ath6kl *ar = wmi->parent_dev;
 492         u32 id;
 493
 494         if (len < sizeof(*ev))
 495                 return -EINVAL;
 496
 497         ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
 498         freq = le32_to_cpu(ev->freq);
 499         dur = le32_to_cpu(ev->duration);
 500         ath6kl_dbg(ATH6KL_DBG_WMI,
 501                    "cancel_remain_on_chnl: freq=%u dur=%u status=%u\n",
 502                    freq, dur, ev->status);
 503         chan = ieee80211_get_channel(ar->wiphy, freq);
 504         if (!chan) {
 505                 ath6kl_dbg(ATH6KL_DBG_WMI,
 506                            "cancel_remain_on_chnl: Unknown channel (freq=%u)\n",
 507                            freq);
 508                 return -EINVAL;
 509         }
 510         if (vif->last_cancel_roc_id &&
 511             vif->last_cancel_roc_id + 1 == vif->last_roc_id)
 512                 id = vif->last_cancel_roc_id; /* event for cancel command */
 513         else
 514                 id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
 515         vif->last_cancel_roc_id = 0;
 516         cfg80211_remain_on_channel_expired(&vif->wdev, id, chan,
 517                                            NL80211_CHAN_NO_HT, GFP_ATOMIC);
 518
 519         return 0;
 520 }
 521
 522 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
 523                                          struct ath6kl_vif *vif)
 524 {
 525         struct wmi_tx_status_event *ev;
 526         u32 id;
 527
 528         if (len < sizeof(*ev))
 529                 return -EINVAL;
 530
 531         ev = (struct wmi_tx_status_event *) datap;
 532         id = le32_to_cpu(ev->id);
 533         ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
 534                    id, ev->ack_status);
 535         if (wmi->last_mgmt_tx_frame) {
 536                 cfg80211_mgmt_tx_status(&vif->wdev, id,
 537                                         wmi->last_mgmt_tx_frame,
 538                                         wmi->last_mgmt_tx_frame_len,
 539                                         !!ev->ack_status, GFP_ATOMIC);
 540                 kfree(wmi->last_mgmt_tx_frame);
 541                 wmi->last_mgmt_tx_frame = NULL;
 542                 wmi->last_mgmt_tx_frame_len = 0;
 543         }
 544
 545         return 0;
 546 }
 547
 548 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
 549                                             struct ath6kl_vif *vif)
 550 {
 551         struct wmi_p2p_rx_probe_req_event *ev;
 552         u32 freq;
 553         u16 dlen;
 554
 555         if (len < sizeof(*ev))
 556                 return -EINVAL;
 557
 558         ev = (struct wmi_p2p_rx_probe_req_event *) datap;
 559         freq = le32_to_cpu(ev->freq);
 560         dlen = le16_to_cpu(ev->len);
 561         if (datap + len < ev->data + dlen) {
 562                 ath6kl_err("invalid wmi_p2p_rx_probe_req_event: len=%d dlen=%u\n",
 563                            len, dlen);
 564                 return -EINVAL;
 565         }
 566         ath6kl_dbg(ATH6KL_DBG_WMI,
 567                    "rx_probe_req: len=%u freq=%u probe_req_report=%d\n",
 568                    dlen, freq, vif->probe_req_report);
 569
 570         if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
 571                 cfg80211_rx_mgmt(&vif->wdev, freq, 0,
 572                                  ev->data, dlen, GFP_ATOMIC);
 573
 574         return 0;
 575 }
 576
 577 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
 578 {
 579         struct wmi_p2p_capabilities_event *ev;
 580         u16 dlen;
 581
 582         if (len < sizeof(*ev))
 583                 return -EINVAL;
 584
 585         ev = (struct wmi_p2p_capabilities_event *) datap;
 586         dlen = le16_to_cpu(ev->len);
 587         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
 588
 589         return 0;
 590 }
 591
 592 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 593                                          struct ath6kl_vif *vif)
 594 {
 595         struct wmi_rx_action_event *ev;
 596         u32 freq;
 597         u16 dlen;
 598
 599         if (len < sizeof(*ev))
 600                 return -EINVAL;
 601
 602         ev = (struct wmi_rx_action_event *) datap;
 603         freq = le32_to_cpu(ev->freq);
 604         dlen = le16_to_cpu(ev->len);
 605         if (datap + len < ev->data + dlen) {
 606                 ath6kl_err("invalid wmi_rx_action_event: len=%d dlen=%u\n",
 607                            len, dlen);
 608                 return -EINVAL;
 609         }
 610         ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
 611         cfg80211_rx_mgmt(&vif->wdev, freq, 0,
 612                          ev->data, dlen, GFP_ATOMIC);
 613
 614         return 0;
 615 }
 616
 617 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
 618 {
 619         struct wmi_p2p_info_event *ev;
 620         u32 flags;
 621         u16 dlen;
 622
 623         if (len < sizeof(*ev))
 624                 return -EINVAL;
 625
 626         ev = (struct wmi_p2p_info_event *) datap;
 627         flags = le32_to_cpu(ev->info_req_flags);
 628         dlen = le16_to_cpu(ev->len);
 629         ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
 630
 631         if (flags & P2P_FLAG_CAPABILITIES_REQ) {
 632                 struct wmi_p2p_capabilities *cap;
 633                 if (dlen < sizeof(*cap))
 634                         return -EINVAL;
 635                 cap = (struct wmi_p2p_capabilities *) ev->data;
 636                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
 637                            cap->go_power_save);
 638         }
 639
 640         if (flags & P2P_FLAG_MACADDR_REQ) {
 641                 struct wmi_p2p_macaddr *mac;
 642                 if (dlen < sizeof(*mac))
 643                         return -EINVAL;
 644                 mac = (struct wmi_p2p_macaddr *) ev->data;
 645                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
 646                            mac->mac_addr);
 647         }
 648
 649         if (flags & P2P_FLAG_HMODEL_REQ) {
 650                 struct wmi_p2p_hmodel *mod;
 651                 if (dlen < sizeof(*mod))
 652                         return -EINVAL;
 653                 mod = (struct wmi_p2p_hmodel *) ev->data;
 654                 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
 655                            mod->p2p_model,
 656                            mod->p2p_model ? "host" : "firmware");
 657         }
 658         return 0;
 659 }
 660
 661 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
 662 {
 663         struct sk_buff *skb;
 664
 665         skb = ath6kl_buf_alloc(size);
 666         if (!skb)
 667                 return NULL;
 668
 669         skb_put(skb, size);
 670         if (size)
 671                 memset(skb->data, 0, size);
 672
 673         return skb;
 674 }
 675
 676 /* Send a "simple" wmi command -- one with no arguments */
 677 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
 678                                  enum wmi_cmd_id cmd_id)
 679 {
 680         struct sk_buff *skb;
 681         int ret;
 682
 683         skb = ath6kl_wmi_get_new_buf(0);
 684         if (!skb)
 685                 return -ENOMEM;
 686
 687         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
 688
 689         return ret;
 690 }
 691
 692 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
 693 {
 694         struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
 695
 696         if (len < sizeof(struct wmi_ready_event_2))
 697                 return -EINVAL;
 698
 699         ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
 700                            le32_to_cpu(ev->sw_version),
 701                            le32_to_cpu(ev->abi_version), ev->phy_cap);
 702
 703         return 0;
 704 }
 705
 706 /*
 707  * Mechanism to modify the roaming behavior in the firmware. The lower rssi
 708  * at which the station has to roam can be passed with
 709  * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
 710  * in dBm.
 711  */
 712 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
 713 {
 714         struct sk_buff *skb;
 715         struct roam_ctrl_cmd *cmd;
 716
 717         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 718         if (!skb)
 719                 return -ENOMEM;
 720
 721         cmd = (struct roam_ctrl_cmd *) skb->data;
 722
 723         cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
 724         cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
 725                                                        DEF_SCAN_FOR_ROAM_INTVL);
 726         cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
 727         cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
 728         cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
 729
 730         ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 731                             NO_SYNC_WMIFLAG);
 732
 733         return 0;
 734 }
 735
 736 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
 737 {
 738         struct sk_buff *skb;
 739         struct roam_ctrl_cmd *cmd;
 740
 741         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 742         if (!skb)
 743                 return -ENOMEM;
 744
 745         cmd = (struct roam_ctrl_cmd *) skb->data;
 746
 747         memcpy(cmd->info.bssid, bssid, ETH_ALEN);
 748         cmd->roam_ctrl = WMI_FORCE_ROAM;
 749
 750         ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
 751         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 752                                    NO_SYNC_WMIFLAG);
 753 }
 754
 755 int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period)
 756 {
 757         struct sk_buff *skb;
 758         struct set_dtim_cmd *cmd;
 759
 760         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 761         if (!skb)
 762                 return -ENOMEM;
 763
 764         cmd = (struct set_dtim_cmd *) skb->data;
 765
 766         cmd->dtim_period = cpu_to_le32(dtim_period);
 767         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 768                                    WMI_AP_SET_DTIM_CMDID, NO_SYNC_WMIFLAG);
 769 }
 770
 771 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 772 {
 773         struct sk_buff *skb;
 774         struct roam_ctrl_cmd *cmd;
 775
 776         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 777         if (!skb)
 778                 return -ENOMEM;
 779
 780         cmd = (struct roam_ctrl_cmd *) skb->data;
 781
 782         cmd->info.roam_mode = mode;
 783         cmd->roam_ctrl = WMI_SET_ROAM_MODE;
 784
 785         ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
 786         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 787                                    NO_SYNC_WMIFLAG);
 788 }
 789
 790 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
 791                                        struct ath6kl_vif *vif)
 792 {
 793         struct wmi_connect_event *ev;
 794         u8 *pie, *peie;
 795
 796         if (len < sizeof(struct wmi_connect_event))
 797                 return -EINVAL;
 798
 799         ev = (struct wmi_connect_event *) datap;
 800
 801         if (vif->nw_type == AP_NETWORK) {
 802                 /* AP mode start/STA connected event */
 803                 struct net_device *dev = vif->ndev;
 804                 if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
 805                         ath6kl_dbg(ATH6KL_DBG_WMI,
 806                                    "%s: freq %d bssid %pM (AP started)\n",
 807                                    __func__, le16_to_cpu(ev->u.ap_bss.ch),
 808                                    ev->u.ap_bss.bssid);
 809                         ath6kl_connect_ap_mode_bss(
 810                                 vif, le16_to_cpu(ev->u.ap_bss.ch));
 811                 } else {
 812                         ath6kl_dbg(ATH6KL_DBG_WMI,
 813                                    "%s: aid %u mac_addr %pM auth=%u keymgmt=%u cipher=%u apsd_info=%u (STA connected)\n",
 814                                    __func__, ev->u.ap_sta.aid,
 815                                    ev->u.ap_sta.mac_addr,
 816                                    ev->u.ap_sta.auth,
 817                                    ev->u.ap_sta.keymgmt,
 818                                    le16_to_cpu(ev->u.ap_sta.cipher),
 819                                    ev->u.ap_sta.apsd_info);
 820
 821                         ath6kl_connect_ap_mode_sta(
 822                                 vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
 823                                 ev->u.ap_sta.keymgmt,
 824                                 le16_to_cpu(ev->u.ap_sta.cipher),
 825                                 ev->u.ap_sta.auth, ev->assoc_req_len,
 826                                 ev->assoc_info + ev->beacon_ie_len,
 827                                 ev->u.ap_sta.apsd_info);
 828                 }
 829                 return 0;
 830         }
 831
 832         /* STA/IBSS mode connection event */
 833
 834         ath6kl_dbg(ATH6KL_DBG_WMI,
 835                    "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
 836                    le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
 837                    le16_to_cpu(ev->u.sta.listen_intvl),
 838                    le16_to_cpu(ev->u.sta.beacon_intvl),
 839                    le32_to_cpu(ev->u.sta.nw_type));
 840
 841         /* Start of assoc rsp IEs */
 842         pie = ev->assoc_info + ev->beacon_ie_len +
 843               ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
 844
 845         /* End of assoc rsp IEs */
 846         peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
 847             ev->assoc_resp_len;
 848
 849         while (pie < peie) {
 850                 switch (*pie) {
 851                 case WLAN_EID_VENDOR_SPECIFIC:
 852                         if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
 853                             pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
 854                                 /* WMM OUT (00:50:F2) */
 855                                 if (pie[1] > 5 &&
 856                                     pie[6] == WMM_PARAM_OUI_SUBTYPE)
 857                                         wmi->is_wmm_enabled = true;
 858                         }
 859                         break;
 860                 }
 861
 862                 if (wmi->is_wmm_enabled)
 863                         break;
 864
 865                 pie += pie[1] + 2;
 866         }
 867
 868         ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
 869                              ev->u.sta.bssid,
 870                              le16_to_cpu(ev->u.sta.listen_intvl),
 871                              le16_to_cpu(ev->u.sta.beacon_intvl),
 872                              le32_to_cpu(ev->u.sta.nw_type),
 873                              ev->beacon_ie_len, ev->assoc_req_len,
 874                              ev->assoc_resp_len, ev->assoc_info);
 875
 876         return 0;
 877 }
 878
 879 static struct country_code_to_enum_rd *
 880 ath6kl_regd_find_country(u16 countryCode)
 881 {
 882         int i;
 883
 884         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 885                 if (allCountries[i].countryCode == countryCode)
 886                         return &allCountries[i];
 887         }
 888
 889         return NULL;
 890 }
 891
 892 static struct reg_dmn_pair_mapping *
 893 ath6kl_get_regpair(u16 regdmn)
 894 {
 895         int i;
 896
 897         if (regdmn == NO_ENUMRD)
 898                 return NULL;
 899
 900         for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
 901                 if (regDomainPairs[i].regDmnEnum == regdmn)
 902                         return &regDomainPairs[i];
 903         }
 904
 905         return NULL;
 906 }
 907
 908 static struct country_code_to_enum_rd *
 909 ath6kl_regd_find_country_by_rd(u16 regdmn)
 910 {
 911         int i;
 912
 913         for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 914                 if (allCountries[i].regDmnEnum == regdmn)
 915                         return &allCountries[i];
 916         }
 917
 918         return NULL;
 919 }
 920
 921 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 922 {
 923
 924         struct ath6kl_wmi_regdomain *ev;
 925         struct country_code_to_enum_rd *country = NULL;
 926         struct reg_dmn_pair_mapping *regpair = NULL;
 927         char alpha2[2];
 928         u32 reg_code;
 929
 930         ev = (struct ath6kl_wmi_regdomain *) datap;
 931         reg_code = le32_to_cpu(ev->reg_code);
 932
 933         if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG)
 934                 country = ath6kl_regd_find_country((u16) reg_code);
 935         else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
 936
 937                 regpair = ath6kl_get_regpair((u16) reg_code);
 938                 country = ath6kl_regd_find_country_by_rd((u16) reg_code);
 939                 ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
 940                            regpair->regDmnEnum);
 941         }
 942
 943         if (country && wmi->parent_dev->wiphy_registered) {
 944                 alpha2[0] = country->isoName[0];
 945                 alpha2[1] = country->isoName[1];
 946
 947                 regulatory_hint(wmi->parent_dev->wiphy, alpha2);
 948
 949                 ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
 950                            alpha2[0], alpha2[1]);
 951         }
 952 }
 953
 954 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
 955                                           struct ath6kl_vif *vif)
 956 {
 957         struct wmi_disconnect_event *ev;
 958         wmi->traffic_class = 100;
 959
 960         if (len < sizeof(struct wmi_disconnect_event))
 961                 return -EINVAL;
 962
 963         ev = (struct wmi_disconnect_event *) datap;
 964
 965         ath6kl_dbg(ATH6KL_DBG_WMI,
 966                    "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
 967                    le16_to_cpu(ev->proto_reason_status), ev->bssid,
 968                    ev->disconn_reason, ev->assoc_resp_len);
 969
 970         wmi->is_wmm_enabled = false;
 971
 972         ath6kl_disconnect_event(vif, ev->disconn_reason,
 973                                 ev->bssid, ev->assoc_resp_len, ev->assoc_info,
 974                                 le16_to_cpu(ev->proto_reason_status));
 975
 976         return 0;
 977 }
 978
 979 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
 980 {
 981         struct wmi_peer_node_event *ev;
 982
 983         if (len < sizeof(struct wmi_peer_node_event))
 984                 return -EINVAL;
 985
 986         ev = (struct wmi_peer_node_event *) datap;
 987
 988         if (ev->event_code == PEER_NODE_JOIN_EVENT)
 989                 ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
 990                            ev->peer_mac_addr);
 991         else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
 992                 ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
 993                            ev->peer_mac_addr);
 994
 995         return 0;
 996 }
 997
 998 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
 999                                            struct ath6kl_vif *vif)
1000 {
1001         struct wmi_tkip_micerr_event *ev;
1002
1003         if (len < sizeof(struct wmi_tkip_micerr_event))
1004                 return -EINVAL;
1005
1006         ev = (struct wmi_tkip_micerr_event *) datap;
1007
1008         ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
1009
1010         return 0;
1011 }
1012
1013 void ath6kl_wmi_sscan_timer(unsigned long ptr)
1014 {
1015         struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
1016
1017         cfg80211_sched_scan_results(vif->ar->wiphy);
1018 }
1019
1020 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
1021                                        struct ath6kl_vif *vif)
1022 {
1023         struct wmi_bss_info_hdr2 *bih;
1024         u8 *buf;
1025         struct ieee80211_channel *channel;
1026         struct ath6kl *ar = wmi->parent_dev;
1027         struct ieee80211_mgmt *mgmt;
1028         struct cfg80211_bss *bss;
1029
1030         if (len <= sizeof(struct wmi_bss_info_hdr2))
1031                 return -EINVAL;
1032
1033         bih = (struct wmi_bss_info_hdr2 *) datap;
1034         buf = datap + sizeof(struct wmi_bss_info_hdr2);
1035         len -= sizeof(struct wmi_bss_info_hdr2);
1036
1037         ath6kl_dbg(ATH6KL_DBG_WMI,
1038                    "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1039                    "frame_type=%d\n",
1040                    bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1041                    bih->frame_type);
1042
1043         if (bih->frame_type != BEACON_FTYPE &&
1044             bih->frame_type != PROBERESP_FTYPE)
1045                 return 0; /* Only update BSS table for now */
1046
1047         if (bih->frame_type == BEACON_FTYPE &&
1048             test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1049                 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1050                 ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1051                                          NONE_BSS_FILTER, 0);
1052         }
1053
1054         channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1055         if (channel == NULL)
1056                 return -EINVAL;
1057
1058         if (len < 8 + 2 + 2)
1059                 return -EINVAL;
1060
1061         if (bih->frame_type == BEACON_FTYPE &&
1062             test_bit(CONNECTED, &vif->flags) &&
1063             memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1064                 const u8 *tim;
1065                 tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1066                                        len - 8 - 2 - 2);
1067                 if (tim && tim[1] >= 2) {
1068                         vif->assoc_bss_dtim_period = tim[3];
1069                         set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1070                 }
1071         }
1072
1073         /*
1074          * In theory, use of cfg80211_inform_bss() would be more natural here
1075          * since we do not have the full frame. However, at least for now,
1076          * cfg80211 can only distinguish Beacon and Probe Response frames from
1077          * each other when using cfg80211_inform_bss_frame(), so let's build a
1078          * fake IEEE 802.11 header to be able to take benefit of this.
1079          */
1080         mgmt = kmalloc(24 + len, GFP_ATOMIC);
1081         if (mgmt == NULL)
1082                 return -EINVAL;
1083
1084         if (bih->frame_type == BEACON_FTYPE) {
1085                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1086                                                   IEEE80211_STYPE_BEACON);
1087                 memset(mgmt->da, 0xff, ETH_ALEN);
1088         } else {
1089                 struct net_device *dev = vif->ndev;
1090
1091                 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1092                                                   IEEE80211_STYPE_PROBE_RESP);
1093                 memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
1094         }
1095         mgmt->duration = cpu_to_le16(0);
1096         memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
1097         memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
1098         mgmt->seq_ctrl = cpu_to_le16(0);
1099
1100         memcpy(&mgmt->u.beacon, buf, len);
1101
1102         bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
1103                                         24 + len, (bih->snr - 95) * 100,
1104                                         GFP_ATOMIC);
1105         kfree(mgmt);
1106         if (bss == NULL)
1107                 return -ENOMEM;
1108         cfg80211_put_bss(bss);
1109
1110         /*
1111          * Firmware doesn't return any event when scheduled scan has
1112          * finished, so we need to use a timer to find out when there are
1113          * no more results.
1114          *
1115          * The timer is started from the first bss info received, otherwise
1116          * the timer would not ever fire if the scan interval is short
1117          * enough.
1118          */
1119         if (ar->state == ATH6KL_STATE_SCHED_SCAN &&
1120             !timer_pending(&vif->sched_scan_timer)) {
1121                 mod_timer(&vif->sched_scan_timer, jiffies +
1122                           msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1123         }
1124
1125         return 0;
1126 }
1127
1128 /* Inactivity timeout of a fatpipe(pstream) at the target */
1129 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1130                                                int len)
1131 {
1132         struct wmi_pstream_timeout_event *ev;
1133
1134         if (len < sizeof(struct wmi_pstream_timeout_event))
1135                 return -EINVAL;
1136
1137         ev = (struct wmi_pstream_timeout_event *) datap;
1138
1139         /*
1140          * When the pstream (fat pipe == AC) timesout, it means there were
1141          * no thinStreams within this pstream & it got implicitly created
1142          * due to data flow on this AC. We start the inactivity timer only
1143          * for implicitly created pstream. Just reset the host state.
1144          */
1145         spin_lock_bh(&wmi->lock);
1146         wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1147         wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1148         spin_unlock_bh(&wmi->lock);
1149
1150         /* Indicate inactivity to driver layer for this fatpipe (pstream) */
1151         ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1152
1153         return 0;
1154 }
1155
1156 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1157 {
1158         struct wmi_bit_rate_reply *reply;
1159         s32 rate;
1160         u32 sgi, index;
1161
1162         if (len < sizeof(struct wmi_bit_rate_reply))
1163                 return -EINVAL;
1164
1165         reply = (struct wmi_bit_rate_reply *) datap;
1166
1167         ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1168
1169         if (reply->rate_index == (s8) RATE_AUTO) {
1170                 rate = RATE_AUTO;
1171         } else {
1172                 index = reply->rate_index & 0x7f;
1173                 sgi = (reply->rate_index & 0x80) ? 1 : 0;
1174                 rate = wmi_rate_tbl[index][sgi];
1175         }
1176
1177         ath6kl_wakeup_event(wmi->parent_dev);
1178
1179         return 0;
1180 }
1181
1182 static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1183 {
1184         ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1185
1186         return 0;
1187 }
1188
1189 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1190 {
1191         if (len < sizeof(struct wmi_fix_rates_reply))
1192                 return -EINVAL;
1193
1194         ath6kl_wakeup_event(wmi->parent_dev);
1195
1196         return 0;
1197 }
1198
1199 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1200 {
1201         if (len < sizeof(struct wmi_channel_list_reply))
1202                 return -EINVAL;
1203
1204         ath6kl_wakeup_event(wmi->parent_dev);
1205
1206         return 0;
1207 }
1208
1209 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1210 {
1211         struct wmi_tx_pwr_reply *reply;
1212
1213         if (len < sizeof(struct wmi_tx_pwr_reply))
1214                 return -EINVAL;
1215
1216         reply = (struct wmi_tx_pwr_reply *) datap;
1217         ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1218
1219         return 0;
1220 }
1221
1222 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1223 {
1224         if (len < sizeof(struct wmi_get_keepalive_cmd))
1225                 return -EINVAL;
1226
1227         ath6kl_wakeup_event(wmi->parent_dev);
1228
1229         return 0;
1230 }
1231
1232 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1233                                        struct ath6kl_vif *vif)
1234 {
1235         struct wmi_scan_complete_event *ev;
1236
1237         ev = (struct wmi_scan_complete_event *) datap;
1238
1239         ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1240         wmi->is_probe_ssid = false;
1241
1242         return 0;
1243 }
1244
1245 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1246                                                int len, struct ath6kl_vif *vif)
1247 {
1248         struct wmi_neighbor_report_event *ev;
1249         u8 i;
1250
1251         if (len < sizeof(*ev))
1252                 return -EINVAL;
1253         ev = (struct wmi_neighbor_report_event *) datap;
1254         if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1255             > len) {
1256                 ath6kl_dbg(ATH6KL_DBG_WMI,
1257                            "truncated neighbor event (num=%d len=%d)\n",
1258                            ev->num_neighbors, len);
1259                 return -EINVAL;
1260         }
1261         for (i = 0; i < ev->num_neighbors; i++) {
1262                 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1263                            i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1264                            ev->neighbor[i].bss_flags);
1265                 cfg80211_pmksa_candidate_notify(vif->ndev, i,
1266                                                 ev->neighbor[i].bssid,
1267                                                 !!(ev->neighbor[i].bss_flags &
1268                                                    WMI_PREAUTH_CAPABLE_BSS),
1269                                                 GFP_ATOMIC);
1270         }
1271
1272         return 0;
1273 }
1274
1275 /*
1276  * Target is reporting a programming error.  This is for
1277  * developer aid only.  Target only checks a few common violations
1278  * and it is responsibility of host to do all error checking.
1279  * Behavior of target after wmi error event is undefined.
1280  * A reset is recommended.
1281  */
1282 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1283 {
1284         const char *type = "unknown error";
1285         struct wmi_cmd_error_event *ev;
1286         ev = (struct wmi_cmd_error_event *) datap;
1287
1288         switch (ev->err_code) {
1289         case INVALID_PARAM:
1290                 type = "invalid parameter";
1291                 break;
1292         case ILLEGAL_STATE:
1293                 type = "invalid state";
1294                 break;
1295         case INTERNAL_ERROR:
1296                 type = "internal error";
1297                 break;
1298         }
1299
1300         ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1301                    ev->cmd_id, type);
1302
1303         return 0;
1304 }
1305
1306 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1307                                      struct ath6kl_vif *vif)
1308 {
1309         ath6kl_tgt_stats_event(vif, datap, len);
1310
1311         return 0;
1312 }
1313
1314 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1315                                          struct sq_threshold_params *sq_thresh,
1316                                          u32 size)
1317 {
1318         u32 index;
1319         u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1320
1321         /* The list is already in sorted order. Get the next lower value */
1322         for (index = 0; index < size; index++) {
1323                 if (rssi < sq_thresh->upper_threshold[index]) {
1324                         threshold = (u8) sq_thresh->upper_threshold[index];
1325                         break;
1326                 }
1327         }
1328
1329         return threshold;
1330 }
1331
1332 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1333                                          struct sq_threshold_params *sq_thresh,
1334                                          u32 size)
1335 {
1336         u32 index;
1337         u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1338
1339         /* The list is already in sorted order. Get the next lower value */
1340         for (index = 0; index < size; index++) {
1341                 if (rssi > sq_thresh->lower_threshold[index]) {
1342                         threshold = (u8) sq_thresh->lower_threshold[index];
1343                         break;
1344                 }
1345         }
1346
1347         return threshold;
1348 }
1349
1350 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1351                         struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1352 {
1353         struct sk_buff *skb;
1354         struct wmi_rssi_threshold_params_cmd *cmd;
1355
1356         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1357         if (!skb)
1358                 return -ENOMEM;
1359
1360         cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1361         memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1362
1363         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1364                                    NO_SYNC_WMIFLAG);
1365 }
1366
1367 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1368                                               int len)
1369 {
1370         struct wmi_rssi_threshold_event *reply;
1371         struct wmi_rssi_threshold_params_cmd cmd;
1372         struct sq_threshold_params *sq_thresh;
1373         enum wmi_rssi_threshold_val new_threshold;
1374         u8 upper_rssi_threshold, lower_rssi_threshold;
1375         s16 rssi;
1376         int ret;
1377
1378         if (len < sizeof(struct wmi_rssi_threshold_event))
1379                 return -EINVAL;
1380
1381         reply = (struct wmi_rssi_threshold_event *) datap;
1382         new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1383         rssi = a_sle16_to_cpu(reply->rssi);
1384
1385         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1386
1387         /*
1388          * Identify the threshold breached and communicate that to the app.
1389          * After that install a new set of thresholds based on the signal
1390          * quality reported by the target
1391          */
1392         if (new_threshold) {
1393                 /* Upper threshold breached */
1394                 if (rssi < sq_thresh->upper_threshold[0]) {
1395                         ath6kl_dbg(ATH6KL_DBG_WMI,
1396                                    "spurious upper rssi threshold event: %d\n",
1397                                    rssi);
1398                 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1399                            (rssi >= sq_thresh->upper_threshold[0])) {
1400                         new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1401                 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1402                            (rssi >= sq_thresh->upper_threshold[1])) {
1403                         new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1404                 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1405                            (rssi >= sq_thresh->upper_threshold[2])) {
1406                         new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1407                 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1408                            (rssi >= sq_thresh->upper_threshold[3])) {
1409                         new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1410                 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1411                            (rssi >= sq_thresh->upper_threshold[4])) {
1412                         new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1413                 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1414                         new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1415                 }
1416         } else {
1417                 /* Lower threshold breached */
1418                 if (rssi > sq_thresh->lower_threshold[0]) {
1419                         ath6kl_dbg(ATH6KL_DBG_WMI,
1420                                    "spurious lower rssi threshold event: %d %d\n",
1421                                 rssi, sq_thresh->lower_threshold[0]);
1422                 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1423                            (rssi <= sq_thresh->lower_threshold[0])) {
1424                         new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1425                 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1426                            (rssi <= sq_thresh->lower_threshold[1])) {
1427                         new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1428                 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1429                            (rssi <= sq_thresh->lower_threshold[2])) {
1430                         new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1431                 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1432                            (rssi <= sq_thresh->lower_threshold[3])) {
1433                         new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1434                 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1435                            (rssi <= sq_thresh->lower_threshold[4])) {
1436                         new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1437                 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1438                         new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1439                 }
1440         }
1441
1442         /* Calculate and install the next set of thresholds */
1443         lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1444                                        sq_thresh->lower_threshold_valid_count);
1445         upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1446                                        sq_thresh->upper_threshold_valid_count);
1447
1448         /* Issue a wmi command to install the thresholds */
1449         cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1450         cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1451         cmd.weight = sq_thresh->weight;
1452         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1453
1454         ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1455         if (ret) {
1456                 ath6kl_err("unable to configure rssi thresholds\n");
1457                 return -EIO;
1458         }
1459
1460         return 0;
1461 }
1462
1463 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1464                                    struct ath6kl_vif *vif)
1465 {
1466         struct wmi_cac_event *reply;
1467         struct ieee80211_tspec_ie *ts;
1468         u16 active_tsids, tsinfo;
1469         u8 tsid, index;
1470         u8 ts_id;
1471
1472         if (len < sizeof(struct wmi_cac_event))
1473                 return -EINVAL;
1474
1475         reply = (struct wmi_cac_event *) datap;
1476
1477         if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1478             (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1479
1480                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1481                 tsinfo = le16_to_cpu(ts->tsinfo);
1482                 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1483                         IEEE80211_WMM_IE_TSPEC_TID_MASK;
1484
1485                 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1486                                               reply->ac, tsid);
1487         } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1488                 /*
1489                  * Following assumes that there is only one outstanding
1490                  * ADDTS request when this event is received
1491                  */
1492                 spin_lock_bh(&wmi->lock);
1493                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1494                 spin_unlock_bh(&wmi->lock);
1495
1496                 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1497                         if ((active_tsids >> index) & 1)
1498                                 break;
1499                 }
1500                 if (index < (sizeof(active_tsids) * 8))
1501                         ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1502                                                       reply->ac, index);
1503         }
1504
1505         /*
1506          * Clear active tsids and Add missing handling
1507          * for delete qos stream from AP
1508          */
1509         else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1510
1511                 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1512                 tsinfo = le16_to_cpu(ts->tsinfo);
1513                 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1514                          IEEE80211_WMM_IE_TSPEC_TID_MASK);
1515
1516                 spin_lock_bh(&wmi->lock);
1517                 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1518                 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1519                 spin_unlock_bh(&wmi->lock);
1520
1521                 /* Indicate stream inactivity to driver layer only if all tsids
1522                  * within this AC are deleted.
1523                  */
1524                 if (!active_tsids) {
1525                         ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1526                                                     false);
1527                         wmi->fat_pipe_exist &= ~(1 << reply->ac);
1528                 }
1529         }
1530
1531         return 0;
1532 }
1533
1534 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1535                         struct wmi_snr_threshold_params_cmd *snr_cmd)
1536 {
1537         struct sk_buff *skb;
1538         struct wmi_snr_threshold_params_cmd *cmd;
1539
1540         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1541         if (!skb)
1542                 return -ENOMEM;
1543
1544         cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1545         memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1546
1547         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1548                                    NO_SYNC_WMIFLAG);
1549 }
1550
1551 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1552                                              int len)
1553 {
1554         struct wmi_snr_threshold_event *reply;
1555         struct sq_threshold_params *sq_thresh;
1556         struct wmi_snr_threshold_params_cmd cmd;
1557         enum wmi_snr_threshold_val new_threshold;
1558         u8 upper_snr_threshold, lower_snr_threshold;
1559         s16 snr;
1560         int ret;
1561
1562         if (len < sizeof(struct wmi_snr_threshold_event))
1563                 return -EINVAL;
1564
1565         reply = (struct wmi_snr_threshold_event *) datap;
1566
1567         new_threshold = (enum wmi_snr_threshold_val) reply->range;
1568         snr = reply->snr;
1569
1570         sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1571
1572         /*
1573          * Identify the threshold breached and communicate that to the app.
1574          * After that install a new set of thresholds based on the signal
1575          * quality reported by the target.
1576          */
1577         if (new_threshold) {
1578                 /* Upper threshold breached */
1579                 if (snr < sq_thresh->upper_threshold[0]) {
1580                         ath6kl_dbg(ATH6KL_DBG_WMI,
1581                                    "spurious upper snr threshold event: %d\n",
1582                                    snr);
1583                 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1584                            (snr >= sq_thresh->upper_threshold[0])) {
1585                         new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1586                 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1587                            (snr >= sq_thresh->upper_threshold[1])) {
1588                         new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1589                 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1590                            (snr >= sq_thresh->upper_threshold[2])) {
1591                         new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1592                 } else if (snr >= sq_thresh->upper_threshold[3]) {
1593                         new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1594                 }
1595         } else {
1596                 /* Lower threshold breached */
1597                 if (snr > sq_thresh->lower_threshold[0]) {
1598                         ath6kl_dbg(ATH6KL_DBG_WMI,
1599                                    "spurious lower snr threshold event: %d\n",
1600                                    sq_thresh->lower_threshold[0]);
1601                 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1602                            (snr <= sq_thresh->lower_threshold[0])) {
1603                         new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1604                 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1605                            (snr <= sq_thresh->lower_threshold[1])) {
1606                         new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1607                 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1608                            (snr <= sq_thresh->lower_threshold[2])) {
1609                         new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1610                 } else if (snr <= sq_thresh->lower_threshold[3]) {
1611                         new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1612                 }
1613         }
1614
1615         /* Calculate and install the next set of thresholds */
1616         lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1617                                        sq_thresh->lower_threshold_valid_count);
1618         upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1619                                        sq_thresh->upper_threshold_valid_count);
1620
1621         /* Issue a wmi command to install the thresholds */
1622         cmd.thresh_above1_val = upper_snr_threshold;
1623         cmd.thresh_below1_val = lower_snr_threshold;
1624         cmd.weight = sq_thresh->weight;
1625         cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1626
1627         ath6kl_dbg(ATH6KL_DBG_WMI,
1628                    "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1629                    snr, new_threshold,
1630                    lower_snr_threshold, upper_snr_threshold);
1631
1632         ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1633         if (ret) {
1634                 ath6kl_err("unable to configure snr threshold\n");
1635                 return -EIO;
1636         }
1637
1638         return 0;
1639 }
1640
1641 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1642 {
1643         u16 ap_info_entry_size;
1644         struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1645         struct wmi_ap_info_v1 *ap_info_v1;
1646         u8 index;
1647
1648         if (len < sizeof(struct wmi_aplist_event) ||
1649             ev->ap_list_ver != APLIST_VER1)
1650                 return -EINVAL;
1651
1652         ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1653         ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1654
1655         ath6kl_dbg(ATH6KL_DBG_WMI,
1656                    "number of APs in aplist event: %d\n", ev->num_ap);
1657
1658         if (len < (int) (sizeof(struct wmi_aplist_event) +
1659                          (ev->num_ap - 1) * ap_info_entry_size))
1660                 return -EINVAL;
1661
1662         /* AP list version 1 contents */
1663         for (index = 0; index < ev->num_ap; index++) {
1664                 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1665                            index, ap_info_v1->bssid, ap_info_v1->channel);
1666                 ap_info_v1++;
1667         }
1668
1669         return 0;
1670 }
1671
1672 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1673                         enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1674 {
1675         struct wmi_cmd_hdr *cmd_hdr;
1676         enum htc_endpoint_id ep_id = wmi->ep_id;
1677         int ret;
1678         u16 info1;
1679
1680         if (WARN_ON(skb == NULL || (if_idx > (wmi->parent_dev->vif_max - 1))))
1681                 return -EINVAL;
1682
1683         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1684                    cmd_id, skb->len, sync_flag);
1685         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1686                         skb->data, skb->len);
1687
1688         if (sync_flag >= END_WMIFLAG) {
1689                 dev_kfree_skb(skb);
1690                 return -EINVAL;
1691         }
1692
1693         if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1694             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1695                 /*
1696                  * Make sure all data currently queued is transmitted before
1697                  * the cmd execution.  Establish a new sync point.
1698                  */
1699                 ath6kl_wmi_sync_point(wmi, if_idx);
1700         }
1701
1702         skb_push(skb, sizeof(struct wmi_cmd_hdr));
1703
1704         cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1705         cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1706         info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1707         cmd_hdr->info1 = cpu_to_le16(info1);
1708
1709         /* Only for OPT_TX_CMD, use BE endpoint. */
1710         if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1711                 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1712                                               false, false, 0, NULL, if_idx);
1713                 if (ret) {
1714                         dev_kfree_skb(skb);
1715                         return ret;
1716                 }
1717                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1718         }
1719
1720         ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1721
1722         if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1723             (sync_flag == SYNC_BOTH_WMIFLAG)) {
1724                 /*
1725                  * Make sure all new data queued waits for the command to
1726                  * execute. Establish a new sync point.
1727                  */
1728                 ath6kl_wmi_sync_point(wmi, if_idx);
1729         }
1730
1731         return 0;
1732 }
1733
1734 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1735                            enum network_type nw_type,
1736                            enum dot11_auth_mode dot11_auth_mode,
1737                            enum auth_mode auth_mode,
1738                            enum crypto_type pairwise_crypto,
1739                            u8 pairwise_crypto_len,
1740                            enum crypto_type group_crypto,
1741                            u8 group_crypto_len, int ssid_len, u8 *ssid,
1742                            u8 *bssid, u16 channel, u32 ctrl_flags,
1743                            u8 nw_subtype)
1744 {
1745         struct sk_buff *skb;
1746         struct wmi_connect_cmd *cc;
1747         int ret;
1748
1749         ath6kl_dbg(ATH6KL_DBG_WMI,
1750                    "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1751                    "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1752                    bssid, channel, ctrl_flags, ssid_len, nw_type,
1753                    dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1754         ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1755
1756         wmi->traffic_class = 100;
1757
1758         if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1759                 return -EINVAL;
1760
1761         if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1762                 return -EINVAL;
1763
1764         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1765         if (!skb)
1766                 return -ENOMEM;
1767
1768         cc = (struct wmi_connect_cmd *) skb->data;
1769
1770         if (ssid_len)
1771                 memcpy(cc->ssid, ssid, ssid_len);
1772
1773         cc->ssid_len = ssid_len;
1774         cc->nw_type = nw_type;
1775         cc->dot11_auth_mode = dot11_auth_mode;
1776         cc->auth_mode = auth_mode;
1777         cc->prwise_crypto_type = pairwise_crypto;
1778         cc->prwise_crypto_len = pairwise_crypto_len;
1779         cc->grp_crypto_type = group_crypto;
1780         cc->grp_crypto_len = group_crypto_len;
1781         cc->ch = cpu_to_le16(channel);
1782         cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1783         cc->nw_subtype = nw_subtype;
1784
1785         if (bssid != NULL)
1786                 memcpy(cc->bssid, bssid, ETH_ALEN);
1787
1788         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1789                                   NO_SYNC_WMIFLAG);
1790
1791         return ret;
1792 }
1793
1794 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1795                              u16 channel)
1796 {
1797         struct sk_buff *skb;
1798         struct wmi_reconnect_cmd *cc;
1799         int ret;
1800
1801         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1802                    bssid, channel);
1803
1804         wmi->traffic_class = 100;
1805
1806         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1807         if (!skb)
1808                 return -ENOMEM;
1809
1810         cc = (struct wmi_reconnect_cmd *) skb->data;
1811         cc->channel = cpu_to_le16(channel);
1812
1813         if (bssid != NULL)
1814                 memcpy(cc->bssid, bssid, ETH_ALEN);
1815
1816         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1817                                   NO_SYNC_WMIFLAG);
1818
1819         return ret;
1820 }
1821
1822 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1823 {
1824         int ret;
1825
1826         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1827
1828         wmi->traffic_class = 100;
1829
1830         /* Disconnect command does not need to do a SYNC before. */
1831         ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1832
1833         return ret;
1834 }
1835
1836 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1837                              enum wmi_scan_type scan_type,
1838                              u32 force_fgscan, u32 is_legacy,
1839                              u32 home_dwell_time, u32 force_scan_interval,
1840                              s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
1841 {
1842         struct ieee80211_supported_band *sband;
1843         struct sk_buff *skb;
1844         struct wmi_begin_scan_cmd *sc;
1845         s8 size, *supp_rates;
1846         int i, band, ret;
1847         struct ath6kl *ar = wmi->parent_dev;
1848         int num_rates;
1849         u32 ratemask;
1850
1851         size = sizeof(struct wmi_begin_scan_cmd);
1852
1853         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1854                 return -EINVAL;
1855
1856         if (num_chan > WMI_MAX_CHANNELS)
1857                 return -EINVAL;
1858
1859         if (num_chan)
1860                 size += sizeof(u16) * (num_chan - 1);
1861
1862         skb = ath6kl_wmi_get_new_buf(size);
1863         if (!skb)
1864                 return -ENOMEM;
1865
1866         sc = (struct wmi_begin_scan_cmd *) skb->data;
1867         sc->scan_type = scan_type;
1868         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1869         sc->is_legacy = cpu_to_le32(is_legacy);
1870         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1871         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1872         sc->no_cck = cpu_to_le32(no_cck);
1873         sc->num_ch = num_chan;
1874
1875         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
1876                 sband = ar->wiphy->bands[band];
1877
1878                 if (!sband)
1879                         continue;
1880
1881                 ratemask = rates[band];
1882                 supp_rates = sc->supp_rates[band].rates;
1883                 num_rates = 0;
1884
1885                 for (i = 0; i < sband->n_bitrates; i++) {
1886                         if ((BIT(i) & ratemask) == 0)
1887                                 continue; /* skip rate */
1888                         supp_rates[num_rates++] =
1889                             (u8) (sband->bitrates[i].bitrate / 5);
1890                 }
1891                 sc->supp_rates[band].nrates = num_rates;
1892         }
1893
1894         for (i = 0; i < num_chan; i++)
1895                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1896
1897         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
1898                                   NO_SYNC_WMIFLAG);
1899
1900         return ret;
1901 }
1902
1903 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1904  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1905  * mgmt operations using station interface.
1906  */
1907 int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1908                              enum wmi_scan_type scan_type,
1909                              u32 force_fgscan, u32 is_legacy,
1910                              u32 home_dwell_time, u32 force_scan_interval,
1911                              s8 num_chan, u16 *ch_list)
1912 {
1913         struct sk_buff *skb;
1914         struct wmi_start_scan_cmd *sc;
1915         s8 size;
1916         int i, ret;
1917
1918         size = sizeof(struct wmi_start_scan_cmd);
1919
1920         if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1921                 return -EINVAL;
1922
1923         if (num_chan > WMI_MAX_CHANNELS)
1924                 return -EINVAL;
1925
1926         if (num_chan)
1927                 size += sizeof(u16) * (num_chan - 1);
1928
1929         skb = ath6kl_wmi_get_new_buf(size);
1930         if (!skb)
1931                 return -ENOMEM;
1932
1933         sc = (struct wmi_start_scan_cmd *) skb->data;
1934         sc->scan_type = scan_type;
1935         sc->force_fg_scan = cpu_to_le32(force_fgscan);
1936         sc->is_legacy = cpu_to_le32(is_legacy);
1937         sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1938         sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1939         sc->num_ch = num_chan;
1940
1941         for (i = 0; i < num_chan; i++)
1942                 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1943
1944         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1945                                   NO_SYNC_WMIFLAG);
1946
1947         return ret;
1948 }
1949
1950 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
1951                               u16 fg_start_sec,
1952                               u16 fg_end_sec, u16 bg_sec,
1953                               u16 minact_chdw_msec, u16 maxact_chdw_msec,
1954                               u16 pas_chdw_msec, u8 short_scan_ratio,
1955                               u8 scan_ctrl_flag, u32 max_dfsch_act_time,
1956                               u16 maxact_scan_per_ssid)
1957 {
1958         struct sk_buff *skb;
1959         struct wmi_scan_params_cmd *sc;
1960         int ret;
1961
1962         skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
1963         if (!skb)
1964                 return -ENOMEM;
1965
1966         sc = (struct wmi_scan_params_cmd *) skb->data;
1967         sc->fg_start_period = cpu_to_le16(fg_start_sec);
1968         sc->fg_end_period = cpu_to_le16(fg_end_sec);
1969         sc->bg_period = cpu_to_le16(bg_sec);
1970         sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
1971         sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
1972         sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
1973         sc->short_scan_ratio = short_scan_ratio;
1974         sc->scan_ctrl_flags = scan_ctrl_flag;
1975         sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
1976         sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
1977
1978         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
1979                                   NO_SYNC_WMIFLAG);
1980         return ret;
1981 }
1982
1983 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
1984 {
1985         struct sk_buff *skb;
1986         struct wmi_bss_filter_cmd *cmd;
1987         int ret;
1988
1989         if (filter >= LAST_BSS_FILTER)
1990                 return -EINVAL;
1991
1992         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1993         if (!skb)
1994                 return -ENOMEM;
1995
1996         cmd = (struct wmi_bss_filter_cmd *) skb->data;
1997         cmd->bss_filter = filter;
1998         cmd->ie_mask = cpu_to_le32(ie_mask);
1999
2000         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
2001                                   NO_SYNC_WMIFLAG);
2002         return ret;
2003 }
2004
2005 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2006                               u8 ssid_len, u8 *ssid)
2007 {
2008         struct sk_buff *skb;
2009         struct wmi_probed_ssid_cmd *cmd;
2010         int ret;
2011
2012         if (index >= MAX_PROBED_SSIDS)
2013                 return -EINVAL;
2014
2015         if (ssid_len > sizeof(cmd->ssid))
2016                 return -EINVAL;
2017
2018         if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2019                 return -EINVAL;
2020
2021         if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2022                 return -EINVAL;
2023
2024         if (flag & SPECIFIC_SSID_FLAG)
2025                 wmi->is_probe_ssid = true;
2026
2027         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2028         if (!skb)
2029                 return -ENOMEM;
2030
2031         cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2032         cmd->entry_index = index;
2033         cmd->flag = flag;
2034         cmd->ssid_len = ssid_len;
2035         memcpy(cmd->ssid, ssid, ssid_len);
2036
2037         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2038                                   NO_SYNC_WMIFLAG);
2039         return ret;
2040 }
2041
2042 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2043                                   u16 listen_interval,
2044                                   u16 listen_beacons)
2045 {
2046         struct sk_buff *skb;
2047         struct wmi_listen_int_cmd *cmd;
2048         int ret;
2049
2050         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2051         if (!skb)
2052                 return -ENOMEM;
2053
2054         cmd = (struct wmi_listen_int_cmd *) skb->data;
2055         cmd->listen_intvl = cpu_to_le16(listen_interval);
2056         cmd->num_beacons = cpu_to_le16(listen_beacons);
2057
2058         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2059                                   NO_SYNC_WMIFLAG);
2060         return ret;
2061 }
2062
2063 int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2064                              u16 bmiss_time, u16 num_beacons)
2065 {
2066         struct sk_buff *skb;
2067         struct wmi_bmiss_time_cmd *cmd;
2068         int ret;
2069
2070         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2071         if (!skb)
2072                 return -ENOMEM;
2073
2074         cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2075         cmd->bmiss_time = cpu_to_le16(bmiss_time);
2076         cmd->num_beacons = cpu_to_le16(num_beacons);
2077
2078         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2079                                   NO_SYNC_WMIFLAG);
2080         return ret;
2081 }
2082
2083 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2084 {
2085         struct sk_buff *skb;
2086         struct wmi_power_mode_cmd *cmd;
2087         int ret;
2088
2089         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2090         if (!skb)
2091                 return -ENOMEM;
2092
2093         cmd = (struct wmi_power_mode_cmd *) skb->data;
2094         cmd->pwr_mode = pwr_mode;
2095         wmi->pwr_mode = pwr_mode;
2096
2097         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2098                                   NO_SYNC_WMIFLAG);
2099         return ret;
2100 }
2101
2102 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2103                             u16 ps_poll_num, u16 dtim_policy,
2104                             u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2105                             u16 ps_fail_event_policy)
2106 {
2107         struct sk_buff *skb;
2108         struct wmi_power_params_cmd *pm;
2109         int ret;
2110
2111         skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2112         if (!skb)
2113                 return -ENOMEM;
2114
2115         pm = (struct wmi_power_params_cmd *)skb->data;
2116         pm->idle_period = cpu_to_le16(idle_period);
2117         pm->pspoll_number = cpu_to_le16(ps_poll_num);
2118         pm->dtim_policy = cpu_to_le16(dtim_policy);
2119         pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2120         pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2121         pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2122
2123         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2124                                   NO_SYNC_WMIFLAG);
2125         return ret;
2126 }
2127
2128 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2129 {
2130         struct sk_buff *skb;
2131         struct wmi_disc_timeout_cmd *cmd;
2132         int ret;
2133
2134         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2135         if (!skb)
2136                 return -ENOMEM;
2137
2138         cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2139         cmd->discon_timeout = timeout;
2140
2141         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2142                                   NO_SYNC_WMIFLAG);
2143
2144         if (ret == 0)
2145                 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2146
2147         return ret;
2148 }
2149
2150 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2151                           enum crypto_type key_type,
2152                           u8 key_usage, u8 key_len,
2153                           u8 *key_rsc, unsigned int key_rsc_len,
2154                           u8 *key_material,
2155                           u8 key_op_ctrl, u8 *mac_addr,
2156                           enum wmi_sync_flag sync_flag)
2157 {
2158         struct sk_buff *skb;
2159         struct wmi_add_cipher_key_cmd *cmd;
2160         int ret;
2161
2162         ath6kl_dbg(ATH6KL_DBG_WMI,
2163                    "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2164                    key_index, key_type, key_usage, key_len, key_op_ctrl);
2165
2166         if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2167             (key_material == NULL) || key_rsc_len > 8)
2168                 return -EINVAL;
2169
2170         if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2171                 return -EINVAL;
2172
2173         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2174         if (!skb)
2175                 return -ENOMEM;
2176
2177         cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2178         cmd->key_index = key_index;
2179         cmd->key_type = key_type;
2180         cmd->key_usage = key_usage;
2181         cmd->key_len = key_len;
2182         memcpy(cmd->key, key_material, key_len);
2183
2184         if (key_rsc != NULL)
2185                 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2186
2187         cmd->key_op_ctrl = key_op_ctrl;
2188
2189         if (mac_addr)
2190                 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2191
2192         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2193                                   sync_flag);
2194
2195         return ret;
2196 }
2197
2198 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk)
2199 {
2200         struct sk_buff *skb;
2201         struct wmi_add_krk_cmd *cmd;
2202         int ret;
2203
2204         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2205         if (!skb)
2206                 return -ENOMEM;
2207
2208         cmd = (struct wmi_add_krk_cmd *) skb->data;
2209         memcpy(cmd->krk, krk, WMI_KRK_LEN);
2210
2211         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2212                                   NO_SYNC_WMIFLAG);
2213
2214         return ret;
2215 }
2216
2217 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2218 {
2219         struct sk_buff *skb;
2220         struct wmi_delete_cipher_key_cmd *cmd;
2221         int ret;
2222
2223         if (key_index > WMI_MAX_KEY_INDEX)
2224                 return -EINVAL;
2225
2226         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2227         if (!skb)
2228                 return -ENOMEM;
2229
2230         cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2231         cmd->key_index = key_index;
2232
2233         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2234                                   NO_SYNC_WMIFLAG);
2235
2236         return ret;
2237 }
2238
2239 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2240                             const u8 *pmkid, bool set)
2241 {
2242         struct sk_buff *skb;
2243         struct wmi_setpmkid_cmd *cmd;
2244         int ret;
2245
2246         if (bssid == NULL)
2247                 return -EINVAL;
2248
2249         if (set && pmkid == NULL)
2250                 return -EINVAL;
2251
2252         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2253         if (!skb)
2254                 return -ENOMEM;
2255
2256         cmd = (struct wmi_setpmkid_cmd *) skb->data;
2257         memcpy(cmd->bssid, bssid, ETH_ALEN);
2258         if (set) {
2259                 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2260                 cmd->enable = PMKID_ENABLE;
2261         } else {
2262                 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2263                 cmd->enable = PMKID_DISABLE;
2264         }
2265
2266         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2267                                   NO_SYNC_WMIFLAG);
2268
2269         return ret;
2270 }
2271
2272 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2273                               enum htc_endpoint_id ep_id, u8 if_idx)
2274 {
2275         struct wmi_data_hdr *data_hdr;
2276         int ret;
2277
2278         if (WARN_ON(skb == NULL || ep_id == wmi->ep_id))
2279                 return -EINVAL;
2280
2281         skb_push(skb, sizeof(struct wmi_data_hdr));
2282
2283         data_hdr = (struct wmi_data_hdr *) skb->data;
2284         data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2285         data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2286
2287         ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2288
2289         return ret;
2290 }
2291
2292 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2293 {
2294         struct sk_buff *skb;
2295         struct wmi_sync_cmd *cmd;
2296         struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2297         enum htc_endpoint_id ep_id;
2298         u8 index, num_pri_streams = 0;
2299         int ret = 0;
2300
2301         memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2302
2303         spin_lock_bh(&wmi->lock);
2304
2305         for (index = 0; index < WMM_NUM_AC; index++) {
2306                 if (wmi->fat_pipe_exist & (1 << index)) {
2307                         num_pri_streams++;
2308                         data_sync_bufs[num_pri_streams - 1].traffic_class =
2309                             index;
2310                 }
2311         }
2312
2313         spin_unlock_bh(&wmi->lock);
2314
2315         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2316         if (!skb) {
2317                 ret = -ENOMEM;
2318                 goto free_skb;
2319         }
2320
2321         cmd = (struct wmi_sync_cmd *) skb->data;
2322
2323         /*
2324          * In the SYNC cmd sent on the control Ep, send a bitmap
2325          * of the data eps on which the Data Sync will be sent
2326          */
2327         cmd->data_sync_map = wmi->fat_pipe_exist;
2328
2329         for (index = 0; index < num_pri_streams; index++) {
2330                 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2331                 if (data_sync_bufs[index].skb == NULL) {
2332                         ret = -ENOMEM;
2333                         break;
2334                 }
2335         }
2336
2337         /*
2338          * If buffer allocation for any of the dataSync fails,
2339          * then do not send the Synchronize cmd on the control ep
2340          */
2341         if (ret)
2342                 goto free_skb;
2343
2344         /*
2345          * Send sync cmd followed by sync data messages on all
2346          * endpoints being used
2347          */
2348         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2349                                   NO_SYNC_WMIFLAG);
2350
2351         if (ret)
2352                 goto free_skb;
2353
2354         /* cmd buffer sent, we no longer own it */
2355         skb = NULL;
2356
2357         for (index = 0; index < num_pri_streams; index++) {
2358
2359                 if (WARN_ON(!data_sync_bufs[index].skb))
2360                         break;
2361
2362                 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2363                                                data_sync_bufs[index].
2364                                                traffic_class);
2365                 ret =
2366                     ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2367                                               ep_id, if_idx);
2368
2369                 if (ret)
2370                         break;
2371
2372                 data_sync_bufs[index].skb = NULL;
2373         }
2374
2375 free_skb:
2376         /* free up any resources left over (possibly due to an error) */
2377         if (skb)
2378                 dev_kfree_skb(skb);
2379
2380         for (index = 0; index < num_pri_streams; index++) {
2381                 if (data_sync_bufs[index].skb != NULL) {
2382                         dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].
2383                                       skb);
2384                 }
2385         }
2386
2387         return ret;
2388 }
2389
2390 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2391                                   struct wmi_create_pstream_cmd *params)
2392 {
2393         struct sk_buff *skb;
2394         struct wmi_create_pstream_cmd *cmd;
2395         u8 fatpipe_exist_for_ac = 0;
2396         s32 min_phy = 0;
2397         s32 nominal_phy = 0;
2398         int ret;
2399
2400         if (!((params->user_pri < 8) &&
2401               (params->user_pri <= 0x7) &&
2402               (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2403               (params->traffic_direc == UPLINK_TRAFFIC ||
2404                params->traffic_direc == DNLINK_TRAFFIC ||
2405                params->traffic_direc == BIDIR_TRAFFIC) &&
2406               (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2407                params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2408               (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2409                params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2410                params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2411               (params->tsid == WMI_IMPLICIT_PSTREAM ||
2412                params->tsid <= WMI_MAX_THINSTREAM))) {
2413                 return -EINVAL;
2414         }
2415
2416         /*
2417          * Check nominal PHY rate is >= minimalPHY,
2418          * so that DUT can allow TSRS IE
2419          */
2420
2421         /* Get the physical rate (units of bps) */
2422         min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2423
2424         /* Check minimal phy < nominal phy rate */
2425         if (params->nominal_phy >= min_phy) {
2426                 /* unit of 500 kbps */
2427                 nominal_phy = (params->nominal_phy * 1000) / 500;
2428                 ath6kl_dbg(ATH6KL_DBG_WMI,
2429                            "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2430                            min_phy, nominal_phy);
2431
2432                 params->nominal_phy = nominal_phy;
2433         } else {
2434                 params->nominal_phy = 0;
2435         }
2436
2437         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2438         if (!skb)
2439                 return -ENOMEM;
2440
2441         ath6kl_dbg(ATH6KL_DBG_WMI,
2442                    "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2443                    params->traffic_class, params->tsid);
2444
2445         cmd = (struct wmi_create_pstream_cmd *) skb->data;
2446         memcpy(cmd, params, sizeof(*cmd));
2447
2448         /* This is an implicitly created Fat pipe */
2449         if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2450                 spin_lock_bh(&wmi->lock);
2451                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2452                                         (1 << params->traffic_class));
2453                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2454                 spin_unlock_bh(&wmi->lock);
2455         } else {
2456                 /* explicitly created thin stream within a fat pipe */
2457                 spin_lock_bh(&wmi->lock);
2458                 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2459                                         (1 << params->traffic_class));
2460                 wmi->stream_exist_for_ac[params->traffic_class] |=
2461                     (1 << params->tsid);
2462                 /*
2463                  * If a thinstream becomes active, the fat pipe automatically
2464                  * becomes active
2465                  */
2466                 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2467                 spin_unlock_bh(&wmi->lock);
2468         }
2469
2470         /*
2471          * Indicate activty change to driver layer only if this is the
2472          * first TSID to get created in this AC explicitly or an implicit
2473          * fat pipe is getting created.
2474          */
2475         if (!fatpipe_exist_for_ac)
2476                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2477                                             params->traffic_class, true);
2478
2479         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2480                                   NO_SYNC_WMIFLAG);
2481         return ret;
2482 }
2483
2484 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2485                                   u8 tsid)
2486 {
2487         struct sk_buff *skb;
2488         struct wmi_delete_pstream_cmd *cmd;
2489         u16 active_tsids = 0;
2490         int ret;
2491
2492         if (traffic_class > 3) {
2493                 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2494                 return -EINVAL;
2495         }
2496
2497         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2498         if (!skb)
2499                 return -ENOMEM;
2500
2501         cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2502         cmd->traffic_class = traffic_class;
2503         cmd->tsid = tsid;
2504
2505         spin_lock_bh(&wmi->lock);
2506         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2507         spin_unlock_bh(&wmi->lock);
2508
2509         if (!(active_tsids & (1 << tsid))) {
2510                 dev_kfree_skb(skb);
2511                 ath6kl_dbg(ATH6KL_DBG_WMI,
2512                            "TSID %d doesn't exist for traffic class: %d\n",
2513                            tsid, traffic_class);
2514                 return -ENODATA;
2515         }
2516
2517         ath6kl_dbg(ATH6KL_DBG_WMI,
2518                    "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2519                    traffic_class, tsid);
2520
2521         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2522                                   SYNC_BEFORE_WMIFLAG);
2523
2524         spin_lock_bh(&wmi->lock);
2525         wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2526         active_tsids = wmi->stream_exist_for_ac[traffic_class];
2527         spin_unlock_bh(&wmi->lock);
2528
2529         /*
2530          * Indicate stream inactivity to driver layer only if all tsids
2531          * within this AC are deleted.
2532          */
2533         if (!active_tsids) {
2534                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2535                                             traffic_class, false);
2536                 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2537         }
2538
2539         return ret;
2540 }
2541
2542 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2543                           __be32 ips0, __be32 ips1)
2544 {
2545         struct sk_buff *skb;
2546         struct wmi_set_ip_cmd *cmd;
2547         int ret;
2548
2549         /* Multicast address are not valid */
2550         if (ipv4_is_multicast(ips0) ||
2551             ipv4_is_multicast(ips1))
2552                 return -EINVAL;
2553
2554         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2555         if (!skb)
2556                 return -ENOMEM;
2557
2558         cmd = (struct wmi_set_ip_cmd *) skb->data;
2559         cmd->ips[0] = ips0;
2560         cmd->ips[1] = ips1;
2561
2562         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2563                                   NO_SYNC_WMIFLAG);
2564         return ret;
2565 }
2566
2567 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2568 {
2569         u16 active_tsids;
2570         u8 stream_exist;
2571         int i;
2572
2573         /*
2574          * Relinquish credits from all implicitly created pstreams
2575          * since when we go to sleep. If user created explicit
2576          * thinstreams exists with in a fatpipe leave them intact
2577          * for the user to delete.
2578          */
2579         spin_lock_bh(&wmi->lock);
2580         stream_exist = wmi->fat_pipe_exist;
2581         spin_unlock_bh(&wmi->lock);
2582
2583         for (i = 0; i < WMM_NUM_AC; i++) {
2584                 if (stream_exist & (1 << i)) {
2585
2586                         /*
2587                          * FIXME: Is this lock & unlock inside
2588                          * for loop correct? may need rework.
2589                          */
2590                         spin_lock_bh(&wmi->lock);
2591                         active_tsids = wmi->stream_exist_for_ac[i];
2592                         spin_unlock_bh(&wmi->lock);
2593
2594                         /*
2595                          * If there are no user created thin streams
2596                          * delete the fatpipe
2597                          */
2598                         if (!active_tsids) {
2599                                 stream_exist &= ~(1 << i);
2600                                 /*
2601                                  * Indicate inactivity to driver layer for
2602                                  * this fatpipe (pstream)
2603                                  */
2604                                 ath6kl_indicate_tx_activity(wmi->parent_dev,
2605                                                             i, false);
2606                         }
2607                 }
2608         }
2609
2610         /* FIXME: Can we do this assignment without locking ? */
2611         spin_lock_bh(&wmi->lock);
2612         wmi->fat_pipe_exist = stream_exist;
2613         spin_unlock_bh(&wmi->lock);
2614 }
2615
2616 static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2617                                      const struct cfg80211_bitrate_mask *mask)
2618 {
2619         struct sk_buff *skb;
2620         int ret, mode, band;
2621         u64 mcsrate, ratemask[IEEE80211_NUM_BANDS];
2622         struct wmi_set_tx_select_rates64_cmd *cmd;
2623
2624         memset(&ratemask, 0, sizeof(ratemask));
2625         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2626                 /* copy legacy rate mask */
2627                 ratemask[band] = mask->control[band].legacy;
2628                 if (band == IEEE80211_BAND_5GHZ)
2629                         ratemask[band] =
2630                                 mask->control[band].legacy << 4;
2631
2632                 /* copy mcs rate mask */
2633                 mcsrate = mask->control[band].mcs[1];
2634                 mcsrate <<= 8;
2635                 mcsrate |= mask->control[band].mcs[0];
2636                 ratemask[band] |= mcsrate << 12;
2637                 ratemask[band] |= mcsrate << 28;
2638         }
2639
2640         ath6kl_dbg(ATH6KL_DBG_WMI,
2641                    "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2642                    ratemask[0], ratemask[1]);
2643
2644         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2645         if (!skb)
2646                 return -ENOMEM;
2647
2648         cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2649         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2650                 /* A mode operate in 5GHZ band */
2651                 if (mode == WMI_RATES_MODE_11A ||
2652                     mode == WMI_RATES_MODE_11A_HT20 ||
2653                     mode == WMI_RATES_MODE_11A_HT40)
2654                         band = IEEE80211_BAND_5GHZ;
2655                 else
2656                         band = IEEE80211_BAND_2GHZ;
2657                 cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2658         }
2659
2660         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2661                                   WMI_SET_TX_SELECT_RATES_CMDID,
2662                                   NO_SYNC_WMIFLAG);
2663         return ret;
2664 }
2665
2666 static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2667                                      const struct cfg80211_bitrate_mask *mask)
2668 {
2669         struct sk_buff *skb;
2670         int ret, mode, band;
2671         u32 mcsrate, ratemask[IEEE80211_NUM_BANDS];
2672         struct wmi_set_tx_select_rates32_cmd *cmd;
2673
2674         memset(&ratemask, 0, sizeof(ratemask));
2675         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2676                 /* copy legacy rate mask */
2677                 ratemask[band] = mask->control[band].legacy;
2678                 if (band == IEEE80211_BAND_5GHZ)
2679                         ratemask[band] =
2680                                 mask->control[band].legacy << 4;
2681
2682                 /* copy mcs rate mask */
2683                 mcsrate = mask->control[band].mcs[0];
2684                 ratemask[band] |= mcsrate << 12;
2685                 ratemask[band] |= mcsrate << 20;
2686         }
2687
2688         ath6kl_dbg(ATH6KL_DBG_WMI,
2689                    "Ratemask 32 bit: 2.4:%x 5:%x\n",
2690                    ratemask[0], ratemask[1]);
2691
2692         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2693         if (!skb)
2694                 return -ENOMEM;
2695
2696         cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2697         for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2698                 /* A mode operate in 5GHZ band */
2699                 if (mode == WMI_RATES_MODE_11A ||
2700                     mode == WMI_RATES_MODE_11A_HT20 ||
2701                     mode == WMI_RATES_MODE_11A_HT40)
2702                         band = IEEE80211_BAND_5GHZ;
2703                 else
2704                         band = IEEE80211_BAND_2GHZ;
2705                 cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2706         }
2707
2708         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2709                                   WMI_SET_TX_SELECT_RATES_CMDID,
2710                                   NO_SYNC_WMIFLAG);
2711         return ret;
2712 }
2713
2714 int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2715                                 const struct cfg80211_bitrate_mask *mask)
2716 {
2717         struct ath6kl *ar = wmi->parent_dev;
2718
2719         if (ar->hw.flags & ATH6KL_HW_FLAG_64BIT_RATES)
2720                 return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
2721         else
2722                 return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
2723 }
2724
2725 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2726                                        enum ath6kl_host_mode host_mode)
2727 {
2728         struct sk_buff *skb;
2729         struct wmi_set_host_sleep_mode_cmd *cmd;
2730         int ret;
2731
2732         if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2733             (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2734                 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2735                 return -EINVAL;
2736         }
2737
2738         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2739         if (!skb)
2740                 return -ENOMEM;
2741
2742         cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2743
2744         if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2745                 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2746                 cmd->asleep = cpu_to_le32(1);
2747         } else
2748                 cmd->awake = cpu_to_le32(1);
2749
2750         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2751                                   WMI_SET_HOST_SLEEP_MODE_CMDID,
2752                                   NO_SYNC_WMIFLAG);
2753         return ret;
2754 }
2755
2756 /* This command has zero length payload */
2757 static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2758                                                       struct ath6kl_vif *vif)
2759 {
2760         struct ath6kl *ar = wmi->parent_dev;
2761
2762         set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2763         wake_up(&ar->event_wq);
2764
2765         return 0;
2766 }
2767
2768 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2769                                 enum ath6kl_wow_mode wow_mode,
2770                                 u32 filter, u16 host_req_delay)
2771 {
2772         struct sk_buff *skb;
2773         struct wmi_set_wow_mode_cmd *cmd;
2774         int ret;
2775
2776         if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2777             wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2778                 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2779                 return -EINVAL;
2780         }
2781
2782         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2783         if (!skb)
2784                 return -ENOMEM;
2785
2786         cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2787         cmd->enable_wow = cpu_to_le32(wow_mode);
2788         cmd->filter = cpu_to_le32(filter);
2789         cmd->host_req_delay = cpu_to_le16(host_req_delay);
2790
2791         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2792                                   NO_SYNC_WMIFLAG);
2793         return ret;
2794 }
2795
2796 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2797                                    u8 list_id, u8 filter_size,
2798                                    u8 filter_offset, const u8 *filter,
2799                                    const u8 *mask)
2800 {
2801         struct sk_buff *skb;
2802         struct wmi_add_wow_pattern_cmd *cmd;
2803         u16 size;
2804         u8 *filter_mask;
2805         int ret;
2806
2807         /*
2808          * Allocate additional memory in the buffer to hold
2809          * filter and mask value, which is twice of filter_size.
2810          */
2811         size = sizeof(*cmd) + (2 * filter_size);
2812
2813         skb = ath6kl_wmi_get_new_buf(size);
2814         if (!skb)
2815                 return -ENOMEM;
2816
2817         cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2818         cmd->filter_list_id = list_id;
2819         cmd->filter_size = filter_size;
2820         cmd->filter_offset = filter_offset;
2821
2822         memcpy(cmd->filter, filter, filter_size);
2823
2824         filter_mask = (u8 *) (cmd->filter + filter_size);
2825         memcpy(filter_mask, mask, filter_size);
2826
2827         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2828                                   NO_SYNC_WMIFLAG);
2829
2830         return ret;
2831 }
2832
2833 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2834                                    u16 list_id, u16 filter_id)
2835 {
2836         struct sk_buff *skb;
2837         struct wmi_del_wow_pattern_cmd *cmd;
2838         int ret;
2839
2840         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2841         if (!skb)
2842                 return -ENOMEM;
2843
2844         cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2845         cmd->filter_list_id = cpu_to_le16(list_id);
2846         cmd->filter_id = cpu_to_le16(filter_id);
2847
2848         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2849                                   NO_SYNC_WMIFLAG);
2850         return ret;
2851 }
2852
2853 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2854                                     enum wmix_command_id cmd_id,
2855                                     enum wmi_sync_flag sync_flag)
2856 {
2857         struct wmix_cmd_hdr *cmd_hdr;
2858         int ret;
2859
2860         skb_push(skb, sizeof(struct wmix_cmd_hdr));
2861
2862         cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2863         cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2864
2865         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
2866
2867         return ret;
2868 }
2869
2870 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2871 {
2872         struct sk_buff *skb;
2873         struct wmix_hb_challenge_resp_cmd *cmd;
2874         int ret;
2875
2876         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2877         if (!skb)
2878                 return -ENOMEM;
2879
2880         cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
2881         cmd->cookie = cpu_to_le32(cookie);
2882         cmd->source = cpu_to_le32(source);
2883
2884         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
2885                                        NO_SYNC_WMIFLAG);
2886         return ret;
2887 }
2888
2889 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
2890 {
2891         struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
2892         struct sk_buff *skb;
2893         int ret;
2894
2895         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2896         if (!skb)
2897                 return -ENOMEM;
2898
2899         cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
2900         cmd->valid = cpu_to_le32(valid);
2901         cmd->config = cpu_to_le32(config);
2902
2903         ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
2904                                        NO_SYNC_WMIFLAG);
2905         return ret;
2906 }
2907
2908 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
2909 {
2910         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
2911 }
2912
2913 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
2914 {
2915         struct sk_buff *skb;
2916         struct wmi_set_tx_pwr_cmd *cmd;
2917         int ret;
2918
2919         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
2920         if (!skb)
2921                 return -ENOMEM;
2922
2923         cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
2924         cmd->dbM = dbM;
2925
2926         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
2927                                   NO_SYNC_WMIFLAG);
2928
2929         return ret;
2930 }
2931
2932 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
2933 {
2934         return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
2935 }
2936
2937 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
2938 {
2939         return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
2940 }
2941
2942 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
2943                                  u8 preamble_policy)
2944 {
2945         struct sk_buff *skb;
2946         struct wmi_set_lpreamble_cmd *cmd;
2947         int ret;
2948
2949         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
2950         if (!skb)
2951                 return -ENOMEM;
2952
2953         cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
2954         cmd->status = status;
2955         cmd->preamble_policy = preamble_policy;
2956
2957         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
2958                                   NO_SYNC_WMIFLAG);
2959         return ret;
2960 }
2961
2962 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
2963 {
2964         struct sk_buff *skb;
2965         struct wmi_set_rts_cmd *cmd;
2966         int ret;
2967
2968         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
2969         if (!skb)
2970                 return -ENOMEM;
2971
2972         cmd = (struct wmi_set_rts_cmd *) skb->data;
2973         cmd->threshold = cpu_to_le16(threshold);
2974
2975         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
2976                                   NO_SYNC_WMIFLAG);
2977         return ret;
2978 }
2979
2980 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
2981 {
2982         struct sk_buff *skb;
2983         struct wmi_set_wmm_txop_cmd *cmd;
2984         int ret;
2985
2986         if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
2987                 return -EINVAL;
2988
2989         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
2990         if (!skb)
2991                 return -ENOMEM;
2992
2993         cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
2994         cmd->txop_enable = cfg;
2995
2996         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
2997                                   NO_SYNC_WMIFLAG);
2998         return ret;
2999 }
3000
3001 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3002                                  u8 keep_alive_intvl)
3003 {
3004         struct sk_buff *skb;
3005         struct wmi_set_keepalive_cmd *cmd;
3006         int ret;
3007
3008         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3009         if (!skb)
3010                 return -ENOMEM;
3011
3012         cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3013         cmd->keep_alive_intvl = keep_alive_intvl;
3014
3015         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
3016                                   NO_SYNC_WMIFLAG);
3017
3018         if (ret == 0)
3019                 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
3020
3021         return ret;
3022 }
3023
3024 int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3025                              enum ieee80211_band band,
3026                              struct ath6kl_htcap *htcap)
3027 {
3028         struct sk_buff *skb;
3029         struct wmi_set_htcap_cmd *cmd;
3030
3031         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3032         if (!skb)
3033                 return -ENOMEM;
3034
3035         cmd = (struct wmi_set_htcap_cmd *) skb->data;
3036
3037         /*
3038          * NOTE: Band in firmware matches enum ieee80211_band, it is unlikely
3039          * this will be changed in firmware. If at all there is any change in
3040          * band value, the host needs to be fixed.
3041          */
3042         cmd->band = band;
3043         cmd->ht_enable = !!htcap->ht_enable;
3044         cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3045         cmd->ht40_supported =
3046                 !!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3047         cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3048         cmd->intolerant_40mhz =
3049                 !!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3050         cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3051
3052         ath6kl_dbg(ATH6KL_DBG_WMI,
3053                    "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3054                    cmd->band, cmd->ht_enable, cmd->ht40_supported,
3055                    cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3056                    cmd->max_ampdu_len_exp);
3057         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
3058                                    NO_SYNC_WMIFLAG);
3059 }
3060
3061 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3062 {
3063         struct sk_buff *skb;
3064         int ret;
3065
3066         skb = ath6kl_wmi_get_new_buf(len);
3067         if (!skb)
3068                 return -ENOMEM;
3069
3070         memcpy(skb->data, buf, len);
3071
3072         ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
3073
3074         return ret;
3075 }
3076
3077 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3078 {
3079         struct sk_buff *skb;
3080         struct wmi_mcast_filter_cmd *cmd;
3081         int ret;
3082
3083         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3084         if (!skb)
3085                 return -ENOMEM;
3086
3087         cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3088         cmd->mcast_all_enable = mc_all_on;
3089
3090         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
3091                                   NO_SYNC_WMIFLAG);
3092         return ret;
3093 }
3094
3095 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3096                                         u8 *filter, bool add_filter)
3097 {
3098         struct sk_buff *skb;
3099         struct wmi_mcast_filter_add_del_cmd *cmd;
3100         int ret;
3101
3102         if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3103             (filter[0] != 0x01 || filter[1] != 0x00 ||
3104             filter[2] != 0x5e || filter[3] > 0x7f)) {
3105                 ath6kl_warn("invalid multicast filter address\n");
3106                 return -EINVAL;
3107         }
3108
3109         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3110         if (!skb)
3111                 return -ENOMEM;
3112
3113         cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3114         memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3115         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3116                                   add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3117                                   WMI_DEL_MCAST_FILTER_CMDID,
3118                                   NO_SYNC_WMIFLAG);
3119
3120         return ret;
3121 }
3122
3123 int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3124 {
3125         struct sk_buff *skb;
3126         struct wmi_sta_bmiss_enhance_cmd *cmd;
3127         int ret;
3128
3129         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3130         if (!skb)
3131                 return -ENOMEM;
3132
3133         cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data;
3134         cmd->enable = enhance ? 1 : 0;
3135
3136         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3137                                   WMI_STA_BMISS_ENHANCE_CMDID,
3138                                   NO_SYNC_WMIFLAG);
3139         return ret;
3140 }
3141
3142 s32 ath6kl_wmi_get_rate(s8 rate_index)
3143 {
3144         if (rate_index == RATE_AUTO)
3145                 return 0;
3146
3147         return wmi_rate_tbl[(u32) rate_index][0];
3148 }
3149
3150 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3151                                               u32 len)
3152 {
3153         struct wmi_pmkid_list_reply *reply;
3154         u32 expected_len;
3155
3156         if (len < sizeof(struct wmi_pmkid_list_reply))
3157                 return -EINVAL;
3158
3159         reply = (struct wmi_pmkid_list_reply *)datap;
3160         expected_len = sizeof(reply->num_pmkid) +
3161                 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3162
3163         if (len < expected_len)
3164                 return -EINVAL;
3165
3166         return 0;
3167 }
3168
3169 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3170                                          struct ath6kl_vif *vif)
3171 {
3172         struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3173
3174         aggr_recv_addba_req_evt(vif, cmd->tid,
3175                                 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
3176
3177         return 0;
3178 }
3179
3180 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3181                                          struct ath6kl_vif *vif)
3182 {
3183         struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3184
3185         aggr_recv_delba_req_evt(vif, cmd->tid);
3186
3187         return 0;
3188 }
3189
3190 /*  AP mode functions */
3191
3192 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3193                                  struct wmi_connect_cmd *p)
3194 {
3195         struct sk_buff *skb;
3196         struct wmi_connect_cmd *cm;
3197         int res;
3198
3199         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3200         if (!skb)
3201                 return -ENOMEM;
3202
3203         cm = (struct wmi_connect_cmd *) skb->data;
3204         memcpy(cm, p, sizeof(*cm));
3205
3206         res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3207                                   NO_SYNC_WMIFLAG);
3208         ath6kl_dbg(ATH6KL_DBG_WMI,
3209                    "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3210                    __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3211                    le32_to_cpu(p->ctrl_flags), res);
3212         return res;
3213 }
3214
3215 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3216                            u16 reason)
3217 {
3218         struct sk_buff *skb;
3219         struct wmi_ap_set_mlme_cmd *cm;
3220
3221         skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3222         if (!skb)
3223                 return -ENOMEM;
3224
3225         cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3226         memcpy(cm->mac, mac, ETH_ALEN);
3227         cm->reason = cpu_to_le16(reason);
3228         cm->cmd = cmd;
3229
3230         ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3231                    cm->reason);
3232
3233         return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3234                                    NO_SYNC_WMIFLAG);
3235 }
3236
3237 int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3238 {
3239         struct sk_buff *skb;
3240         struct wmi_ap_hidden_ssid_cmd *cmd;
3241
3242         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3243         if (!skb)
3244                 return -ENOMEM;
3245
3246         cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3247         cmd->hidden_ssid = enable ? 1 : 0;
3248
3249         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3250                                    NO_SYNC_WMIFLAG);
3251 }
3252
3253 /* This command will be used to enable/disable AP uAPSD feature */
3254 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3255 {
3256         struct wmi_ap_set_apsd_cmd *cmd;
3257         struct sk_buff *skb;
3258
3259         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3260         if (!skb)
3261                 return -ENOMEM;
3262
3263         cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3264         cmd->enable = enable;
3265
3266         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3267                                    NO_SYNC_WMIFLAG);
3268 }
3269
3270 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3271                                              u16 aid, u16 bitmap, u32 flags)
3272 {
3273         struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3274         struct sk_buff *skb;
3275
3276         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3277         if (!skb)
3278                 return -ENOMEM;
3279
3280         cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3281         cmd->aid = cpu_to_le16(aid);
3282         cmd->bitmap = cpu_to_le16(bitmap);
3283         cmd->flags = cpu_to_le32(flags);
3284
3285         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3286                                    WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3287                                    NO_SYNC_WMIFLAG);
3288 }
3289
3290 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3291                                       struct ath6kl_vif *vif)
3292 {
3293         struct wmi_pspoll_event *ev;
3294
3295         if (len < sizeof(struct wmi_pspoll_event))
3296                 return -EINVAL;
3297
3298         ev = (struct wmi_pspoll_event *) datap;
3299
3300         ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3301
3302         return 0;
3303 }
3304
3305 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3306                                           struct ath6kl_vif *vif)
3307 {
3308         ath6kl_dtimexpiry_event(vif);
3309
3310         return 0;
3311 }
3312
3313 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3314                            bool flag)
3315 {
3316         struct sk_buff *skb;
3317         struct wmi_ap_set_pvb_cmd *cmd;
3318         int ret;
3319
3320         skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3321         if (!skb)
3322                 return -ENOMEM;
3323
3324         cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3325         cmd->aid = cpu_to_le16(aid);
3326         cmd->rsvd = cpu_to_le16(0);
3327         cmd->flag = cpu_to_le32(flag);
3328
3329         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3330                                   NO_SYNC_WMIFLAG);
3331
3332         return 0;
3333 }
3334
3335 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3336                                        u8 rx_meta_ver,
3337                                        bool rx_dot11_hdr, bool defrag_on_host)
3338 {
3339         struct sk_buff *skb;
3340         struct wmi_rx_frame_format_cmd *cmd;
3341         int ret;
3342
3343         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3344         if (!skb)
3345                 return -ENOMEM;
3346
3347         cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3348         cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3349         cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3350         cmd->meta_ver = rx_meta_ver;
3351
3352         /* Delete the local aggr state, on host */
3353         ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3354                                   NO_SYNC_WMIFLAG);
3355
3356         return ret;
3357 }
3358
3359 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3360                              const u8 *ie, u8 ie_len)
3361 {
3362         struct sk_buff *skb;
3363         struct wmi_set_appie_cmd *p;
3364
3365         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3366         if (!skb)
3367                 return -ENOMEM;
3368
3369         ath6kl_dbg(ATH6KL_DBG_WMI,
3370                    "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3371                    mgmt_frm_type, ie_len);
3372         p = (struct wmi_set_appie_cmd *) skb->data;
3373         p->mgmt_frm_type = mgmt_frm_type;
3374         p->ie_len = ie_len;
3375
3376         if (ie != NULL && ie_len > 0)
3377                 memcpy(p->ie_info, ie, ie_len);
3378
3379         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3380                                    NO_SYNC_WMIFLAG);
3381 }
3382
3383 int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3384                           const u8 *ie_info, u8 ie_len)
3385 {
3386         struct sk_buff *skb;
3387         struct wmi_set_ie_cmd *p;
3388
3389         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3390         if (!skb)
3391                 return -ENOMEM;
3392
3393         ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3394                    ie_id, ie_field, ie_len);
3395         p = (struct wmi_set_ie_cmd *) skb->data;
3396         p->ie_id = ie_id;
3397         p->ie_field = ie_field;
3398         p->ie_len = ie_len;
3399         if (ie_info && ie_len > 0)
3400                 memcpy(p->ie_info, ie_info, ie_len);
3401
3402         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,
3403                                    NO_SYNC_WMIFLAG);
3404 }
3405
3406 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3407 {
3408         struct sk_buff *skb;
3409         struct wmi_disable_11b_rates_cmd *cmd;
3410
3411         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3412         if (!skb)
3413                 return -ENOMEM;
3414
3415         ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3416                    disable);
3417         cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3418         cmd->disable = disable ? 1 : 0;
3419
3420         return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3421                                    NO_SYNC_WMIFLAG);
3422 }
3423
3424 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3425 {
3426         struct sk_buff *skb;
3427         struct wmi_remain_on_chnl_cmd *p;
3428
3429         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3430         if (!skb)
3431                 return -ENOMEM;
3432
3433         ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3434                    freq, dur);
3435         p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3436         p->freq = cpu_to_le32(freq);
3437         p->duration = cpu_to_le32(dur);
3438         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3439                                    NO_SYNC_WMIFLAG);
3440 }
3441
3442 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3443  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3444  * mgmt operations using station interface.
3445  */
3446 static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3447                                       u32 freq, u32 wait, const u8 *data,
3448                                       u16 data_len)
3449 {
3450         struct sk_buff *skb;
3451         struct wmi_send_action_cmd *p;
3452         u8 *buf;
3453
3454         if (wait)
3455                 return -EINVAL; /* Offload for wait not supported */
3456
3457         buf = kmalloc(data_len, GFP_KERNEL);
3458         if (!buf)
3459                 return -ENOMEM;
3460
3461         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3462         if (!skb) {
3463                 kfree(buf);
3464                 return -ENOMEM;
3465         }
3466
3467         kfree(wmi->last_mgmt_tx_frame);
3468         memcpy(buf, data, data_len);
3469         wmi->last_mgmt_tx_frame = buf;
3470         wmi->last_mgmt_tx_frame_len = data_len;
3471
3472         ath6kl_dbg(ATH6KL_DBG_WMI,
3473                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3474                    id, freq, wait, data_len);
3475         p = (struct wmi_send_action_cmd *) skb->data;
3476         p->id = cpu_to_le32(id);
3477         p->freq = cpu_to_le32(freq);
3478         p->wait = cpu_to_le32(wait);
3479         p->len = cpu_to_le16(data_len);
3480         memcpy(p->data, data, data_len);
3481         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3482                                    NO_SYNC_WMIFLAG);
3483 }
3484
3485 static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3486                                       u32 freq, u32 wait, const u8 *data,
3487                                       u16 data_len, u32 no_cck)
3488 {
3489         struct sk_buff *skb;
3490         struct wmi_send_mgmt_cmd *p;
3491         u8 *buf;
3492
3493         if (wait)
3494                 return -EINVAL; /* Offload for wait not supported */
3495
3496         buf = kmalloc(data_len, GFP_KERNEL);
3497         if (!buf)
3498                 return -ENOMEM;
3499
3500         skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3501         if (!skb) {
3502                 kfree(buf);
3503                 return -ENOMEM;
3504         }
3505
3506         kfree(wmi->last_mgmt_tx_frame);
3507         memcpy(buf, data, data_len);
3508         wmi->last_mgmt_tx_frame = buf;
3509         wmi->last_mgmt_tx_frame_len = data_len;
3510
3511         ath6kl_dbg(ATH6KL_DBG_WMI,
3512                    "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3513                    id, freq, wait, data_len);
3514         p = (struct wmi_send_mgmt_cmd *) skb->data;
3515         p->id = cpu_to_le32(id);
3516         p->freq = cpu_to_le32(freq);
3517         p->wait = cpu_to_le32(wait);
3518         p->no_cck = cpu_to_le32(no_cck);
3519         p->len = cpu_to_le16(data_len);
3520         memcpy(p->data, data, data_len);
3521         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3522                                    NO_SYNC_WMIFLAG);
3523 }
3524
3525 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3526                                 u32 wait, const u8 *data, u16 data_len,
3527                                 u32 no_cck)
3528 {
3529         int status;
3530         struct ath6kl *ar = wmi->parent_dev;
3531
3532         if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3533                      ar->fw_capabilities)) {
3534                 /*
3535                  * If capable of doing P2P mgmt operations using
3536                  * station interface, send additional information like
3537                  * supported rates to advertise and xmit rates for
3538                  * probe requests
3539                  */
3540                 status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3541                                                     wait, data, data_len,
3542                                                     no_cck);
3543         } else {
3544                 status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3545                                                     wait, data, data_len);
3546         }
3547
3548         return status;
3549 }
3550
3551 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3552                                        const u8 *dst, const u8 *data,
3553                                        u16 data_len)
3554 {
3555         struct sk_buff *skb;
3556         struct wmi_p2p_probe_response_cmd *p;
3557         size_t cmd_len = sizeof(*p) + data_len;
3558
3559         if (data_len == 0)
3560                 cmd_len++; /* work around target minimum length requirement */
3561
3562         skb = ath6kl_wmi_get_new_buf(cmd_len);
3563         if (!skb)
3564                 return -ENOMEM;
3565
3566         ath6kl_dbg(ATH6KL_DBG_WMI,
3567                    "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3568                    freq, dst, data_len);
3569         p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3570         p->freq = cpu_to_le32(freq);
3571         memcpy(p->destination_addr, dst, ETH_ALEN);
3572         p->len = cpu_to_le16(data_len);
3573         memcpy(p->data, data, data_len);
3574         return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3575                                    WMI_SEND_PROBE_RESPONSE_CMDID,
3576                                    NO_SYNC_WMIFLAG);
3577 }
3578
3579 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3580 {
3581         struct sk_buff *skb;
3582         struct wmi_probe_req_report_cmd *p;
3583
3584         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3585         if (!skb)
3586                 return -ENOMEM;
3587
3588         ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3589                    enable);
3590         p = (struct wmi_probe_req_report_cmd *) skb->data;
3591         p->enable = enable ? 1 : 0;
3592         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3593                                    NO_SYNC_WMIFLAG);
3594 }
3595
3596 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3597 {
3598         struct sk_buff *skb;
3599         struct wmi_get_p2p_info *p;
3600
3601         skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3602         if (!skb)
3603                 return -ENOMEM;
3604
3605         ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3606                    info_req_flags);
3607         p = (struct wmi_get_p2p_info *) skb->data;
3608         p->info_req_flags = cpu_to_le32(info_req_flags);
3609         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3610                                    NO_SYNC_WMIFLAG);
3611 }
3612
3613 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3614 {
3615         ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3616         return ath6kl_wmi_simple_cmd(wmi, if_idx,
3617                                      WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3618 }
3619
3620 int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3621 {
3622         struct sk_buff *skb;
3623         struct wmi_set_inact_period_cmd *cmd;
3624
3625         skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3626         if (!skb)
3627                 return -ENOMEM;
3628
3629         cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3630         cmd->inact_period = cpu_to_le32(inact_timeout);
3631         cmd->num_null_func = 0;
3632
3633         return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,
3634                                    NO_SYNC_WMIFLAG);
3635 }
3636
3637 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3638 {
3639         struct wmix_cmd_hdr *cmd;
3640         u32 len;
3641         u16 id;
3642         u8 *datap;
3643         int ret = 0;
3644
3645         if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3646                 ath6kl_err("bad packet 1\n");
3647                 return -EINVAL;
3648         }
3649
3650         cmd = (struct wmix_cmd_hdr *) skb->data;
3651         id = le32_to_cpu(cmd->cmd_id);
3652
3653         skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3654
3655         datap = skb->data;
3656         len = skb->len;
3657
3658         switch (id) {
3659         case WMIX_HB_CHALLENGE_RESP_EVENTID:
3660                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3661                 break;
3662         case WMIX_DBGLOG_EVENTID:
3663                 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3664                 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3665                 break;
3666         default:
3667                 ath6kl_warn("unknown cmd id 0x%x\n", id);
3668                 ret = -EINVAL;
3669                 break;
3670         }
3671
3672         return ret;
3673 }
3674
3675 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3676 {
3677         return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3678 }
3679
3680 /* Process interface specific wmi events, caller would free the datap */
3681 static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3682                                         u8 *datap, u32 len)
3683 {
3684         struct ath6kl_vif *vif;
3685
3686         vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3687         if (!vif) {
3688                 ath6kl_dbg(ATH6KL_DBG_WMI,
3689                            "Wmi event for unavailable vif, vif_index:%d\n",
3690                             if_idx);
3691                 return -EINVAL;
3692         }
3693
3694         switch (cmd_id) {
3695         case WMI_CONNECT_EVENTID:
3696                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3697                 return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3698         case WMI_DISCONNECT_EVENTID:
3699                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3700                 return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3701         case WMI_TKIP_MICERR_EVENTID:
3702                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3703                 return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3704         case WMI_BSSINFO_EVENTID:
3705                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3706                 return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3707         case WMI_NEIGHBOR_REPORT_EVENTID:
3708                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3709                 return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3710                                                            vif);
3711         case WMI_SCAN_COMPLETE_EVENTID:
3712                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3713                 return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3714         case WMI_REPORT_STATISTICS_EVENTID:
3715                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3716                 return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3717         case WMI_CAC_EVENTID:
3718                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3719                 return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3720         case WMI_PSPOLL_EVENTID:
3721                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3722                 return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3723         case WMI_DTIMEXPIRY_EVENTID:
3724                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3725                 return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3726         case WMI_ADDBA_REQ_EVENTID:
3727                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3728                 return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3729         case WMI_DELBA_REQ_EVENTID:
3730                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3731                 return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3732         case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3733                 ath6kl_dbg(ATH6KL_DBG_WMI,
3734                            "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3735                 return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3736         case WMI_REMAIN_ON_CHNL_EVENTID:
3737                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3738                 return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3739         case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3740                 ath6kl_dbg(ATH6KL_DBG_WMI,
3741                            "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3742                 return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3743                                                                  len, vif);
3744         case WMI_TX_STATUS_EVENTID:
3745                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3746                 return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3747         case WMI_RX_PROBE_REQ_EVENTID:
3748                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3749                 return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3750         case WMI_RX_ACTION_EVENTID:
3751                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3752                 return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3753         default:
3754                 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3755                 return -EINVAL;
3756         }
3757
3758         return 0;
3759 }
3760
3761 static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3762 {
3763         struct wmi_cmd_hdr *cmd;
3764         int ret = 0;
3765         u32 len;
3766         u16 id;
3767         u8 if_idx;
3768         u8 *datap;
3769
3770         cmd = (struct wmi_cmd_hdr *) skb->data;
3771         id = le16_to_cpu(cmd->cmd_id);
3772         if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3773
3774         skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3775         datap = skb->data;
3776         len = skb->len;
3777
3778         ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3779         ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3780                         datap, len);
3781
3782         switch (id) {
3783         case WMI_GET_BITRATE_CMDID:
3784                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3785                 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3786                 break;
3787         case WMI_GET_CHANNEL_LIST_CMDID:
3788                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3789                 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3790                 break;
3791         case WMI_GET_TX_PWR_CMDID:
3792                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3793                 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3794                 break;
3795         case WMI_READY_EVENTID:
3796                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3797                 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3798                 break;
3799         case WMI_PEER_NODE_EVENTID:
3800                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3801                 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
3802                 break;
3803         case WMI_REGDOMAIN_EVENTID:
3804                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
3805                 ath6kl_wmi_regdomain_event(wmi, datap, len);
3806                 break;
3807         case WMI_PSTREAM_TIMEOUT_EVENTID:
3808                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
3809                 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
3810                 break;
3811         case WMI_CMDERROR_EVENTID:
3812                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
3813                 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
3814                 break;
3815         case WMI_RSSI_THRESHOLD_EVENTID:
3816                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
3817                 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
3818                 break;
3819         case WMI_ERROR_REPORT_EVENTID:
3820                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
3821                 break;
3822         case WMI_OPT_RX_FRAME_EVENTID:
3823                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
3824                 /* this event has been deprecated */
3825                 break;
3826         case WMI_REPORT_ROAM_TBL_EVENTID:
3827                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
3828                 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
3829                 break;
3830         case WMI_EXTENSION_EVENTID:
3831                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
3832                 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
3833                 break;
3834         case WMI_CHANNEL_CHANGE_EVENTID:
3835                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
3836                 break;
3837         case WMI_REPORT_ROAM_DATA_EVENTID:
3838                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
3839                 break;
3840         case WMI_TEST_EVENTID:
3841                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
3842                 ret = ath6kl_wmi_test_rx(wmi, datap, len);
3843                 break;
3844         case WMI_GET_FIXRATES_CMDID:
3845                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
3846                 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
3847                 break;
3848         case WMI_TX_RETRY_ERR_EVENTID:
3849                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
3850                 break;
3851         case WMI_SNR_THRESHOLD_EVENTID:
3852                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
3853                 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
3854                 break;
3855         case WMI_LQ_THRESHOLD_EVENTID:
3856                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
3857                 break;
3858         case WMI_APLIST_EVENTID:
3859                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
3860                 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
3861                 break;
3862         case WMI_GET_KEEPALIVE_CMDID:
3863                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
3864                 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
3865                 break;
3866         case WMI_GET_WOW_LIST_EVENTID:
3867                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
3868                 break;
3869         case WMI_GET_PMKID_LIST_EVENTID:
3870                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
3871                 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
3872                 break;
3873         case WMI_SET_PARAMS_REPLY_EVENTID:
3874                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
3875                 break;
3876         case WMI_ADDBA_RESP_EVENTID:
3877                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
3878                 break;
3879         case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
3880                 ath6kl_dbg(ATH6KL_DBG_WMI,
3881                            "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
3882                 break;
3883         case WMI_REPORT_BTCOEX_STATS_EVENTID:
3884                 ath6kl_dbg(ATH6KL_DBG_WMI,
3885                            "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
3886                 break;
3887         case WMI_TX_COMPLETE_EVENTID:
3888                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
3889                 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
3890                 break;
3891         case WMI_P2P_CAPABILITIES_EVENTID:
3892                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
3893                 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
3894                 break;
3895         case WMI_P2P_INFO_EVENTID:
3896                 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
3897                 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
3898                 break;
3899         default:
3900                 /* may be the event is interface specific */
3901                 ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
3902                 break;
3903         }
3904
3905         dev_kfree_skb(skb);
3906         return ret;
3907 }
3908
3909 /* Control Path */
3910 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
3911 {
3912         if (WARN_ON(skb == NULL))
3913                 return -EINVAL;
3914
3915         if (skb->len < sizeof(struct wmi_cmd_hdr)) {
3916                 ath6kl_err("bad packet 1\n");
3917                 dev_kfree_skb(skb);
3918                 return -EINVAL;
3919         }
3920
3921         return ath6kl_wmi_proc_events(wmi, skb);
3922 }
3923
3924 void ath6kl_wmi_reset(struct wmi *wmi)
3925 {
3926         spin_lock_bh(&wmi->lock);
3927
3928         wmi->fat_pipe_exist = 0;
3929         memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
3930
3931         spin_unlock_bh(&wmi->lock);
3932 }
3933
3934 void *ath6kl_wmi_init(struct ath6kl *dev)
3935 {
3936         struct wmi *wmi;
3937
3938         wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
3939         if (!wmi)
3940                 return NULL;
3941
3942         spin_lock_init(&wmi->lock);
3943
3944         wmi->parent_dev = dev;
3945
3946         wmi->pwr_mode = REC_POWER;
3947
3948         ath6kl_wmi_reset(wmi);
3949
3950         return wmi;
3951 }
3952
3953 void ath6kl_wmi_shutdown(struct wmi *wmi)
3954 {
3955         if (!wmi)
3956                 return;
3957
3958         kfree(wmi->last_mgmt_tx_frame);
3959         kfree(wmi);
3960 }