linux/drivers/net/wireless/ath/ath6kl/wmi.c
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   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 "trace.h"
  24#include "../regd.h"
  25#include "../regd_common.h"
  26
  27static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
  28
  29static const s32 wmi_rate_tbl[][2] = {
  30        /* {W/O SGI, with SGI} */
  31        {1000, 1000},
  32        {2000, 2000},
  33        {5500, 5500},
  34        {11000, 11000},
  35        {6000, 6000},
  36        {9000, 9000},
  37        {12000, 12000},
  38        {18000, 18000},
  39        {24000, 24000},
  40        {36000, 36000},
  41        {48000, 48000},
  42        {54000, 54000},
  43        {6500, 7200},
  44        {13000, 14400},
  45        {19500, 21700},
  46        {26000, 28900},
  47        {39000, 43300},
  48        {52000, 57800},
  49        {58500, 65000},
  50        {65000, 72200},
  51        {13500, 15000},
  52        {27000, 30000},
  53        {40500, 45000},
  54        {54000, 60000},
  55        {81000, 90000},
  56        {108000, 120000},
  57        {121500, 135000},
  58        {135000, 150000},
  59        {0, 0}
  60};
  61
  62static const s32 wmi_rate_tbl_mcs15[][2] = {
  63        /* {W/O SGI, with SGI} */
  64        {1000, 1000},
  65        {2000, 2000},
  66        {5500, 5500},
  67        {11000, 11000},
  68        {6000, 6000},
  69        {9000, 9000},
  70        {12000, 12000},
  71        {18000, 18000},
  72        {24000, 24000},
  73        {36000, 36000},
  74        {48000, 48000},
  75        {54000, 54000},
  76        {6500, 7200},     /* HT 20, MCS 0 */
  77        {13000, 14400},
  78        {19500, 21700},
  79        {26000, 28900},
  80        {39000, 43300},
  81        {52000, 57800},
  82        {58500, 65000},
  83        {65000, 72200},
  84        {13000, 14400},   /* HT 20, MCS 8 */
  85        {26000, 28900},
  86        {39000, 43300},
  87        {52000, 57800},
  88        {78000, 86700},
  89        {104000, 115600},
  90        {117000, 130000},
  91        {130000, 144400}, /* HT 20, MCS 15 */
  92        {13500, 15000},   /*HT 40, MCS 0 */
  93        {27000, 30000},
  94        {40500, 45000},
  95        {54000, 60000},
  96        {81000, 90000},
  97        {108000, 120000},
  98        {121500, 135000},
  99        {135000, 150000},
 100        {27000, 30000},   /*HT 40, MCS 8 */
 101        {54000, 60000},
 102        {81000, 90000},
 103        {108000, 120000},
 104        {162000, 180000},
 105        {216000, 240000},
 106        {243000, 270000},
 107        {270000, 300000}, /*HT 40, MCS 15 */
 108        {0, 0}
 109};
 110
 111/* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
 112static const u8 up_to_ac[] = {
 113        WMM_AC_BE,
 114        WMM_AC_BK,
 115        WMM_AC_BK,
 116        WMM_AC_BE,
 117        WMM_AC_VI,
 118        WMM_AC_VI,
 119        WMM_AC_VO,
 120        WMM_AC_VO,
 121};
 122
 123void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
 124{
 125        if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
 126                return;
 127
 128        wmi->ep_id = ep_id;
 129}
 130
 131enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
 132{
 133        return wmi->ep_id;
 134}
 135
 136struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
 137{
 138        struct ath6kl_vif *vif, *found = NULL;
 139
 140        if (WARN_ON(if_idx > (ar->vif_max - 1)))
 141                return NULL;
 142
 143        /* FIXME: Locking */
 144        spin_lock_bh(&ar->list_lock);
 145        list_for_each_entry(vif, &ar->vif_list, list) {
 146                if (vif->fw_vif_idx == if_idx) {
 147                        found = vif;
 148                        break;
 149                }
 150        }
 151        spin_unlock_bh(&ar->list_lock);
 152
 153        return found;
 154}
 155
 156/*  Performs DIX to 802.3 encapsulation for transmit packets.
 157 *  Assumes the entire DIX header is contiguous and that there is
 158 *  enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
 159 */
 160int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
 161{
 162        struct ath6kl_llc_snap_hdr *llc_hdr;
 163        struct ethhdr *eth_hdr;
 164        size_t new_len;
 165        __be16 type;
 166        u8 *datap;
 167        u16 size;
 168
 169        if (WARN_ON(skb == NULL))
 170                return -EINVAL;
 171
 172        size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
 173        if (skb_headroom(skb) < size)
 174                return -ENOMEM;
 175
 176        eth_hdr = (struct ethhdr *) skb->data;
 177        type = eth_hdr->h_proto;
 178
 179        if (!is_ethertype(be16_to_cpu(type))) {
 180                ath6kl_dbg(ATH6KL_DBG_WMI,
 181                           "%s: pkt is already in 802.3 format\n", __func__);
 182                return 0;
 183        }
 184
 185        new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
 186
 187        skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
 188        datap = skb->data;
 189
 190        eth_hdr->h_proto = cpu_to_be16(new_len);
 191
 192        memcpy(datap, eth_hdr, sizeof(*eth_hdr));
 193
 194        llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
 195        llc_hdr->dsap = 0xAA;
 196        llc_hdr->ssap = 0xAA;
 197        llc_hdr->cntl = 0x03;
 198        llc_hdr->org_code[0] = 0x0;
 199        llc_hdr->org_code[1] = 0x0;
 200        llc_hdr->org_code[2] = 0x0;
 201        llc_hdr->eth_type = type;
 202
 203        return 0;
 204}
 205
 206static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
 207                               u8 *version, void *tx_meta_info)
 208{
 209        struct wmi_tx_meta_v1 *v1;
 210        struct wmi_tx_meta_v2 *v2;
 211
 212        if (WARN_ON(skb == NULL || version == NULL))
 213                return -EINVAL;
 214
 215        switch (*version) {
 216        case WMI_META_VERSION_1:
 217                skb_push(skb, WMI_MAX_TX_META_SZ);
 218                v1 = (struct wmi_tx_meta_v1 *) skb->data;
 219                v1->pkt_id = 0;
 220                v1->rate_plcy_id = 0;
 221                *version = WMI_META_VERSION_1;
 222                break;
 223        case WMI_META_VERSION_2:
 224                skb_push(skb, WMI_MAX_TX_META_SZ);
 225                v2 = (struct wmi_tx_meta_v2 *) skb->data;
 226                memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
 227                       sizeof(struct wmi_tx_meta_v2));
 228                break;
 229        }
 230
 231        return 0;
 232}
 233
 234int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
 235                            u8 msg_type, u32 flags,
 236                            enum wmi_data_hdr_data_type data_type,
 237                            u8 meta_ver, void *tx_meta_info, u8 if_idx)
 238{
 239        struct wmi_data_hdr *data_hdr;
 240        int ret;
 241
 242        if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))
 243                return -EINVAL;
 244
 245        if (tx_meta_info) {
 246                ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
 247                if (ret)
 248                        return ret;
 249        }
 250
 251        skb_push(skb, sizeof(struct wmi_data_hdr));
 252
 253        data_hdr = (struct wmi_data_hdr *)skb->data;
 254        memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
 255
 256        data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
 257        data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
 258
 259        if (flags & WMI_DATA_HDR_FLAGS_MORE)
 260                data_hdr->info |= WMI_DATA_HDR_MORE;
 261
 262        if (flags & WMI_DATA_HDR_FLAGS_EOSP)
 263                data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);
 264
 265        data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
 266        data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
 267
 268        return 0;
 269}
 270
 271u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
 272{
 273        struct iphdr *ip_hdr = (struct iphdr *) pkt;
 274        u8 ip_pri;
 275
 276        /*
 277         * Determine IPTOS priority
 278         *
 279         * IP-TOS - 8bits
 280         *          : DSCP(6-bits) ECN(2-bits)
 281         *          : DSCP - P2 P1 P0 X X X
 282         * where (P2 P1 P0) form 802.1D
 283         */
 284        ip_pri = ip_hdr->tos >> 5;
 285        ip_pri &= 0x7;
 286
 287        if ((layer2_pri & 0x7) > ip_pri)
 288                return (u8) layer2_pri & 0x7;
 289        else
 290                return ip_pri;
 291}
 292
 293u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
 294{
 295        return  up_to_ac[user_priority & 0x7];
 296}
 297
 298int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
 299                                       struct sk_buff *skb,
 300                                       u32 layer2_priority, bool wmm_enabled,
 301                                       u8 *ac)
 302{
 303        struct wmi_data_hdr *data_hdr;
 304        struct ath6kl_llc_snap_hdr *llc_hdr;
 305        struct wmi_create_pstream_cmd cmd;
 306        u32 meta_size, hdr_size;
 307        u16 ip_type = IP_ETHERTYPE;
 308        u8 stream_exist, usr_pri;
 309        u8 traffic_class = WMM_AC_BE;
 310        u8 *datap;
 311
 312        if (WARN_ON(skb == NULL))
 313                return -EINVAL;
 314
 315        datap = skb->data;
 316        data_hdr = (struct wmi_data_hdr *) datap;
 317
 318        meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
 319                     WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
 320
 321        if (!wmm_enabled) {
 322                /* If WMM is disabled all traffic goes as BE traffic */
 323                usr_pri = 0;
 324        } else {
 325                hdr_size = sizeof(struct ethhdr);
 326
 327                llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
 328                                                         sizeof(struct
 329                                                                wmi_data_hdr) +
 330                                                         meta_size + hdr_size);
 331
 332                if (llc_hdr->eth_type == htons(ip_type)) {
 333                        /*
 334                         * Extract the endpoint info from the TOS field
 335                         * in the IP header.
 336                         */
 337                        usr_pri =
 338                           ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
 339                                        sizeof(struct ath6kl_llc_snap_hdr),
 340                                        layer2_priority);
 341                } else {
 342                        usr_pri = layer2_priority & 0x7;
 343                }
 344
 345                /*
 346                 * Queue the EAPOL frames in the same WMM_AC_VO queue
 347                 * as that of management frames.
 348                 */
 349                if (skb->protocol == cpu_to_be16(ETH_P_PAE))
 350                        usr_pri = WMI_VOICE_USER_PRIORITY;
 351        }
 352
 353        /*
 354         * workaround for WMM S5
 355         *
 356         * FIXME: wmi->traffic_class is always 100 so this test doesn't
 357         * make sense
 358         */
 359        if ((wmi->traffic_class == WMM_AC_VI) &&
 360            ((usr_pri == 5) || (usr_pri == 4)))
 361                usr_pri = 1;
 362
 363        /* Convert user priority to traffic class */
 364        traffic_class = up_to_ac[usr_pri & 0x7];
 365
 366        wmi_data_hdr_set_up(data_hdr, usr_pri);
 367
 368        spin_lock_bh(&wmi->lock);
 369        stream_exist = wmi->fat_pipe_exist;
 370        spin_unlock_bh(&wmi->lock);
 371
 372        if (!(stream_exist & (1 << traffic_class))) {
 373                memset(&cmd, 0, sizeof(cmd));
 374                cmd.traffic_class = traffic_class;
 375                cmd.user_pri = usr_pri;
 376                cmd.inactivity_int =
 377                        cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
 378                /* Implicit streams are created with TSID 0xFF */
 379                cmd.tsid = WMI_IMPLICIT_PSTREAM;
 380                ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
 381        }
 382
 383        *ac = traffic_class;
 384
 385        return 0;
 386}
 387
 388int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
 389{
 390        struct ieee80211_hdr_3addr *pwh, wh;
 391        struct ath6kl_llc_snap_hdr *llc_hdr;
 392        struct ethhdr eth_hdr;
 393        u32 hdr_size;
 394        u8 *datap;
 395        __le16 sub_type;
 396
 397        if (WARN_ON(skb == NULL))
 398                return -EINVAL;
 399
 400        datap = skb->data;
 401        pwh = (struct ieee80211_hdr_3addr *) datap;
 402
 403        sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
 404
 405        memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
 406
 407        /* Strip off the 802.11 header */
 408        if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
 409                hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
 410                                   sizeof(u32));
 411                skb_pull(skb, hdr_size);
 412        } else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA)) {
 413                skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
 414        }
 415
 416        datap = skb->data;
 417        llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
 418
 419        memset(&eth_hdr, 0, sizeof(eth_hdr));
 420        eth_hdr.h_proto = llc_hdr->eth_type;
 421
 422        switch ((le16_to_cpu(wh.frame_control)) &
 423                (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
 424        case 0:
 425                memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 426                memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 427                break;
 428        case IEEE80211_FCTL_TODS:
 429                memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
 430                memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 431                break;
 432        case IEEE80211_FCTL_FROMDS:
 433                memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 434                memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
 435                break;
 436        case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
 437                break;
 438        }
 439
 440        skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 441        skb_push(skb, sizeof(eth_hdr));
 442
 443        datap = skb->data;
 444
 445        memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 446
 447        return 0;
 448}
 449
 450/*
 451 * Performs 802.3 to DIX encapsulation for received packets.
 452 * Assumes the entire 802.3 header is contiguous.
 453 */
 454int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
 455{
 456        struct ath6kl_llc_snap_hdr *llc_hdr;
 457        struct ethhdr eth_hdr;
 458        u8 *datap;
 459
 460        if (WARN_ON(skb == NULL))
 461                return -EINVAL;
 462
 463        datap = skb->data;
 464
 465        memcpy(&eth_hdr, datap, sizeof(eth_hdr));
 466
 467        llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
 468        eth_hdr.h_proto = llc_hdr->eth_type;
 469
 470        skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 471        datap = skb->data;
 472
 473        memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 474
 475        return 0;
 476}
 477
 478static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
 479{
 480        struct tx_complete_msg_v1 *msg_v1;
 481        struct wmi_tx_complete_event *evt;
 482        int index;
 483        u16 size;
 484
 485        evt = (struct wmi_tx_complete_event *) datap;
 486
 487        ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
 488                   evt->num_msg, evt->msg_len, evt->msg_type);
 489
 490        for (index = 0; index < evt->num_msg; index++) {
 491                size = sizeof(struct wmi_tx_complete_event) +
 492                    (index * sizeof(struct tx_complete_msg_v1));
 493                msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
 494
 495                ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
 496                           msg_v1->status, msg_v1->pkt_id,
 497                           msg_v1->rate_idx, msg_v1->ack_failures);
 498        }
 499
 500        return 0;
 501}
 502
 503static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
 504                                              int len, struct ath6kl_vif *vif)
 505{
 506        struct wmi_remain_on_chnl_event *ev;
 507        u32 freq;
 508        u32 dur;
 509        struct ieee80211_channel *chan;
 510        struct ath6kl *ar = wmi->parent_dev;
 511        u32 id;
 512
 513        if (len < sizeof(*ev))
 514                return -EINVAL;
 515
 516        ev = (struct wmi_remain_on_chnl_event *) datap;
 517        freq = le32_to_cpu(ev->freq);
 518        dur = le32_to_cpu(ev->duration);
 519        ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
 520                   freq, dur);
 521        chan = ieee80211_get_channel(ar->wiphy, freq);
 522        if (!chan) {
 523                ath6kl_dbg(ATH6KL_DBG_WMI,
 524                           "remain_on_chnl: Unknown channel (freq=%u)\n",
 525                           freq);
 526                return -EINVAL;
 527        }
 528        id = vif->last_roc_id;
 529        cfg80211_ready_on_channel(&vif->wdev, id, chan,
 530                                  dur, GFP_ATOMIC);
 531
 532        return 0;
 533}
 534
 535static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
 536                                                     u8 *datap, int len,
 537                                                     struct ath6kl_vif *vif)
 538{
 539        struct wmi_cancel_remain_on_chnl_event *ev;
 540        u32 freq;
 541        u32 dur;
 542        struct ieee80211_channel *chan;
 543        struct ath6kl *ar = wmi->parent_dev;
 544        u32 id;
 545
 546        if (len < sizeof(*ev))
 547                return -EINVAL;
 548
 549        ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
 550        freq = le32_to_cpu(ev->freq);
 551        dur = le32_to_cpu(ev->duration);
 552        ath6kl_dbg(ATH6KL_DBG_WMI,
 553                   "cancel_remain_on_chnl: freq=%u dur=%u status=%u\n",
 554                   freq, dur, ev->status);
 555        chan = ieee80211_get_channel(ar->wiphy, freq);
 556        if (!chan) {
 557                ath6kl_dbg(ATH6KL_DBG_WMI,
 558                           "cancel_remain_on_chnl: Unknown channel (freq=%u)\n",
 559                           freq);
 560                return -EINVAL;
 561        }
 562        if (vif->last_cancel_roc_id &&
 563            vif->last_cancel_roc_id + 1 == vif->last_roc_id)
 564                id = vif->last_cancel_roc_id; /* event for cancel command */
 565        else
 566                id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
 567        vif->last_cancel_roc_id = 0;
 568        cfg80211_remain_on_channel_expired(&vif->wdev, id, chan, GFP_ATOMIC);
 569
 570        return 0;
 571}
 572
 573static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
 574                                         struct ath6kl_vif *vif)
 575{
 576        struct wmi_tx_status_event *ev;
 577        u32 id;
 578
 579        if (len < sizeof(*ev))
 580                return -EINVAL;
 581
 582        ev = (struct wmi_tx_status_event *) datap;
 583        id = le32_to_cpu(ev->id);
 584        ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
 585                   id, ev->ack_status);
 586        if (wmi->last_mgmt_tx_frame) {
 587                cfg80211_mgmt_tx_status(&vif->wdev, id,
 588                                        wmi->last_mgmt_tx_frame,
 589                                        wmi->last_mgmt_tx_frame_len,
 590                                        !!ev->ack_status, GFP_ATOMIC);
 591                kfree(wmi->last_mgmt_tx_frame);
 592                wmi->last_mgmt_tx_frame = NULL;
 593                wmi->last_mgmt_tx_frame_len = 0;
 594        }
 595
 596        return 0;
 597}
 598
 599static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
 600                                            struct ath6kl_vif *vif)
 601{
 602        struct wmi_p2p_rx_probe_req_event *ev;
 603        u32 freq;
 604        u16 dlen;
 605
 606        if (len < sizeof(*ev))
 607                return -EINVAL;
 608
 609        ev = (struct wmi_p2p_rx_probe_req_event *) datap;
 610        freq = le32_to_cpu(ev->freq);
 611        dlen = le16_to_cpu(ev->len);
 612        if (datap + len < ev->data + dlen) {
 613                ath6kl_err("invalid wmi_p2p_rx_probe_req_event: len=%d dlen=%u\n",
 614                           len, dlen);
 615                return -EINVAL;
 616        }
 617        ath6kl_dbg(ATH6KL_DBG_WMI,
 618                   "rx_probe_req: len=%u freq=%u probe_req_report=%d\n",
 619                   dlen, freq, vif->probe_req_report);
 620
 621        if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
 622                cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0);
 623
 624        return 0;
 625}
 626
 627static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
 628{
 629        struct wmi_p2p_capabilities_event *ev;
 630        u16 dlen;
 631
 632        if (len < sizeof(*ev))
 633                return -EINVAL;
 634
 635        ev = (struct wmi_p2p_capabilities_event *) datap;
 636        dlen = le16_to_cpu(ev->len);
 637        ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
 638
 639        return 0;
 640}
 641
 642static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 643                                         struct ath6kl_vif *vif)
 644{
 645        struct wmi_rx_action_event *ev;
 646        u32 freq;
 647        u16 dlen;
 648
 649        if (len < sizeof(*ev))
 650                return -EINVAL;
 651
 652        ev = (struct wmi_rx_action_event *) datap;
 653        freq = le32_to_cpu(ev->freq);
 654        dlen = le16_to_cpu(ev->len);
 655        if (datap + len < ev->data + dlen) {
 656                ath6kl_err("invalid wmi_rx_action_event: len=%d dlen=%u\n",
 657                           len, dlen);
 658                return -EINVAL;
 659        }
 660        ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
 661        cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0);
 662
 663        return 0;
 664}
 665
 666static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
 667{
 668        struct wmi_p2p_info_event *ev;
 669        u32 flags;
 670        u16 dlen;
 671
 672        if (len < sizeof(*ev))
 673                return -EINVAL;
 674
 675        ev = (struct wmi_p2p_info_event *) datap;
 676        flags = le32_to_cpu(ev->info_req_flags);
 677        dlen = le16_to_cpu(ev->len);
 678        ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
 679
 680        if (flags & P2P_FLAG_CAPABILITIES_REQ) {
 681                struct wmi_p2p_capabilities *cap;
 682                if (dlen < sizeof(*cap))
 683                        return -EINVAL;
 684                cap = (struct wmi_p2p_capabilities *) ev->data;
 685                ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
 686                           cap->go_power_save);
 687        }
 688
 689        if (flags & P2P_FLAG_MACADDR_REQ) {
 690                struct wmi_p2p_macaddr *mac;
 691                if (dlen < sizeof(*mac))
 692                        return -EINVAL;
 693                mac = (struct wmi_p2p_macaddr *) ev->data;
 694                ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
 695                           mac->mac_addr);
 696        }
 697
 698        if (flags & P2P_FLAG_HMODEL_REQ) {
 699                struct wmi_p2p_hmodel *mod;
 700                if (dlen < sizeof(*mod))
 701                        return -EINVAL;
 702                mod = (struct wmi_p2p_hmodel *) ev->data;
 703                ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
 704                           mod->p2p_model,
 705                           mod->p2p_model ? "host" : "firmware");
 706        }
 707        return 0;
 708}
 709
 710static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
 711{
 712        struct sk_buff *skb;
 713
 714        skb = ath6kl_buf_alloc(size);
 715        if (!skb)
 716                return NULL;
 717
 718        skb_put(skb, size);
 719        if (size)
 720                memset(skb->data, 0, size);
 721
 722        return skb;
 723}
 724
 725/* Send a "simple" wmi command -- one with no arguments */
 726static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
 727                                 enum wmi_cmd_id cmd_id)
 728{
 729        struct sk_buff *skb;
 730        int ret;
 731
 732        skb = ath6kl_wmi_get_new_buf(0);
 733        if (!skb)
 734                return -ENOMEM;
 735
 736        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
 737
 738        return ret;
 739}
 740
 741static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
 742{
 743        struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
 744
 745        if (len < sizeof(struct wmi_ready_event_2))
 746                return -EINVAL;
 747
 748        ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
 749                           le32_to_cpu(ev->sw_version),
 750                           le32_to_cpu(ev->abi_version), ev->phy_cap);
 751
 752        return 0;
 753}
 754
 755/*
 756 * Mechanism to modify the roaming behavior in the firmware. The lower rssi
 757 * at which the station has to roam can be passed with
 758 * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
 759 * in dBm.
 760 */
 761int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
 762{
 763        struct sk_buff *skb;
 764        struct roam_ctrl_cmd *cmd;
 765
 766        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 767        if (!skb)
 768                return -ENOMEM;
 769
 770        cmd = (struct roam_ctrl_cmd *) skb->data;
 771
 772        cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
 773        cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
 774                                                       DEF_SCAN_FOR_ROAM_INTVL);
 775        cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
 776        cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
 777        cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
 778
 779        ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 780                            NO_SYNC_WMIFLAG);
 781
 782        return 0;
 783}
 784
 785int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
 786{
 787        struct sk_buff *skb;
 788        struct roam_ctrl_cmd *cmd;
 789
 790        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 791        if (!skb)
 792                return -ENOMEM;
 793
 794        cmd = (struct roam_ctrl_cmd *) skb->data;
 795
 796        memcpy(cmd->info.bssid, bssid, ETH_ALEN);
 797        cmd->roam_ctrl = WMI_FORCE_ROAM;
 798
 799        ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
 800        return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 801                                   NO_SYNC_WMIFLAG);
 802}
 803
 804int ath6kl_wmi_ap_set_beacon_intvl_cmd(struct wmi *wmi, u8 if_idx,
 805                                       u32 beacon_intvl)
 806{
 807        struct sk_buff *skb;
 808        struct set_beacon_int_cmd *cmd;
 809
 810        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 811        if (!skb)
 812                return -ENOMEM;
 813
 814        cmd = (struct set_beacon_int_cmd *) skb->data;
 815
 816        cmd->beacon_intvl = cpu_to_le32(beacon_intvl);
 817        return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 818                                   WMI_SET_BEACON_INT_CMDID, NO_SYNC_WMIFLAG);
 819}
 820
 821int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period)
 822{
 823        struct sk_buff *skb;
 824        struct set_dtim_cmd *cmd;
 825
 826        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 827        if (!skb)
 828                return -ENOMEM;
 829
 830        cmd = (struct set_dtim_cmd *) skb->data;
 831
 832        cmd->dtim_period = cpu_to_le32(dtim_period);
 833        return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 834                                   WMI_AP_SET_DTIM_CMDID, NO_SYNC_WMIFLAG);
 835}
 836
 837int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 838{
 839        struct sk_buff *skb;
 840        struct roam_ctrl_cmd *cmd;
 841
 842        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 843        if (!skb)
 844                return -ENOMEM;
 845
 846        cmd = (struct roam_ctrl_cmd *) skb->data;
 847
 848        cmd->info.roam_mode = mode;
 849        cmd->roam_ctrl = WMI_SET_ROAM_MODE;
 850
 851        ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
 852        return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 853                                   NO_SYNC_WMIFLAG);
 854}
 855
 856static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
 857                                       struct ath6kl_vif *vif)
 858{
 859        struct wmi_connect_event *ev;
 860        u8 *pie, *peie;
 861
 862        if (len < sizeof(struct wmi_connect_event))
 863                return -EINVAL;
 864
 865        ev = (struct wmi_connect_event *) datap;
 866
 867        if (vif->nw_type == AP_NETWORK) {
 868                /* AP mode start/STA connected event */
 869                struct net_device *dev = vif->ndev;
 870                if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
 871                        ath6kl_dbg(ATH6KL_DBG_WMI,
 872                                   "%s: freq %d bssid %pM (AP started)\n",
 873                                   __func__, le16_to_cpu(ev->u.ap_bss.ch),
 874                                   ev->u.ap_bss.bssid);
 875                        ath6kl_connect_ap_mode_bss(
 876                                vif, le16_to_cpu(ev->u.ap_bss.ch));
 877                } else {
 878                        ath6kl_dbg(ATH6KL_DBG_WMI,
 879                                   "%s: aid %u mac_addr %pM auth=%u keymgmt=%u cipher=%u apsd_info=%u (STA connected)\n",
 880                                   __func__, ev->u.ap_sta.aid,
 881                                   ev->u.ap_sta.mac_addr,
 882                                   ev->u.ap_sta.auth,
 883                                   ev->u.ap_sta.keymgmt,
 884                                   le16_to_cpu(ev->u.ap_sta.cipher),
 885                                   ev->u.ap_sta.apsd_info);
 886
 887                        ath6kl_connect_ap_mode_sta(
 888                                vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
 889                                ev->u.ap_sta.keymgmt,
 890                                le16_to_cpu(ev->u.ap_sta.cipher),
 891                                ev->u.ap_sta.auth, ev->assoc_req_len,
 892                                ev->assoc_info + ev->beacon_ie_len,
 893                                ev->u.ap_sta.apsd_info);
 894                }
 895                return 0;
 896        }
 897
 898        /* STA/IBSS mode connection event */
 899
 900        ath6kl_dbg(ATH6KL_DBG_WMI,
 901                   "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
 902                   le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
 903                   le16_to_cpu(ev->u.sta.listen_intvl),
 904                   le16_to_cpu(ev->u.sta.beacon_intvl),
 905                   le32_to_cpu(ev->u.sta.nw_type));
 906
 907        /* Start of assoc rsp IEs */
 908        pie = ev->assoc_info + ev->beacon_ie_len +
 909              ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
 910
 911        /* End of assoc rsp IEs */
 912        peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
 913            ev->assoc_resp_len;
 914
 915        while (pie < peie) {
 916                switch (*pie) {
 917                case WLAN_EID_VENDOR_SPECIFIC:
 918                        if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
 919                            pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
 920                                /* WMM OUT (00:50:F2) */
 921                                if (pie[1] > 5 &&
 922                                    pie[6] == WMM_PARAM_OUI_SUBTYPE)
 923                                        wmi->is_wmm_enabled = true;
 924                        }
 925                        break;
 926                }
 927
 928                if (wmi->is_wmm_enabled)
 929                        break;
 930
 931                pie += pie[1] + 2;
 932        }
 933
 934        ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
 935                             ev->u.sta.bssid,
 936                             le16_to_cpu(ev->u.sta.listen_intvl),
 937                             le16_to_cpu(ev->u.sta.beacon_intvl),
 938                             le32_to_cpu(ev->u.sta.nw_type),
 939                             ev->beacon_ie_len, ev->assoc_req_len,
 940                             ev->assoc_resp_len, ev->assoc_info);
 941
 942        return 0;
 943}
 944
 945static struct country_code_to_enum_rd *
 946ath6kl_regd_find_country(u16 countryCode)
 947{
 948        int i;
 949
 950        for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 951                if (allCountries[i].countryCode == countryCode)
 952                        return &allCountries[i];
 953        }
 954
 955        return NULL;
 956}
 957
 958static struct reg_dmn_pair_mapping *
 959ath6kl_get_regpair(u16 regdmn)
 960{
 961        int i;
 962
 963        if (regdmn == NO_ENUMRD)
 964                return NULL;
 965
 966        for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
 967                if (regDomainPairs[i].reg_domain == regdmn)
 968                        return &regDomainPairs[i];
 969        }
 970
 971        return NULL;
 972}
 973
 974static struct country_code_to_enum_rd *
 975ath6kl_regd_find_country_by_rd(u16 regdmn)
 976{
 977        int i;
 978
 979        for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 980                if (allCountries[i].regDmnEnum == regdmn)
 981                        return &allCountries[i];
 982        }
 983
 984        return NULL;
 985}
 986
 987static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 988{
 989        struct ath6kl_wmi_regdomain *ev;
 990        struct country_code_to_enum_rd *country = NULL;
 991        struct reg_dmn_pair_mapping *regpair = NULL;
 992        char alpha2[2];
 993        u32 reg_code;
 994
 995        ev = (struct ath6kl_wmi_regdomain *) datap;
 996        reg_code = le32_to_cpu(ev->reg_code);
 997
 998        if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG) {
 999                country = ath6kl_regd_find_country((u16) reg_code);
1000        } else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
1001                regpair = ath6kl_get_regpair((u16) reg_code);
1002                country = ath6kl_regd_find_country_by_rd((u16) reg_code);
1003                if (regpair)
1004                        ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
1005                                   regpair->reg_domain);
1006                else
1007                        ath6kl_warn("Regpair not found reg_code 0x%0x\n",
1008                                    reg_code);
1009        }
1010
1011        if (country && wmi->parent_dev->wiphy_registered) {
1012                alpha2[0] = country->isoName[0];
1013                alpha2[1] = country->isoName[1];
1014
1015                regulatory_hint(wmi->parent_dev->wiphy, alpha2);
1016
1017                ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
1018                           alpha2[0], alpha2[1]);
1019        }
1020}
1021
1022static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
1023                                          struct ath6kl_vif *vif)
1024{
1025        struct wmi_disconnect_event *ev;
1026        wmi->traffic_class = 100;
1027
1028        if (len < sizeof(struct wmi_disconnect_event))
1029                return -EINVAL;
1030
1031        ev = (struct wmi_disconnect_event *) datap;
1032
1033        ath6kl_dbg(ATH6KL_DBG_WMI,
1034                   "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
1035                   le16_to_cpu(ev->proto_reason_status), ev->bssid,
1036                   ev->disconn_reason, ev->assoc_resp_len);
1037
1038        wmi->is_wmm_enabled = false;
1039
1040        ath6kl_disconnect_event(vif, ev->disconn_reason,
1041                                ev->bssid, ev->assoc_resp_len, ev->assoc_info,
1042                                le16_to_cpu(ev->proto_reason_status));
1043
1044        return 0;
1045}
1046
1047static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
1048{
1049        struct wmi_peer_node_event *ev;
1050
1051        if (len < sizeof(struct wmi_peer_node_event))
1052                return -EINVAL;
1053
1054        ev = (struct wmi_peer_node_event *) datap;
1055
1056        if (ev->event_code == PEER_NODE_JOIN_EVENT)
1057                ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
1058                           ev->peer_mac_addr);
1059        else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
1060                ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
1061                           ev->peer_mac_addr);
1062
1063        return 0;
1064}
1065
1066static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
1067                                           struct ath6kl_vif *vif)
1068{
1069        struct wmi_tkip_micerr_event *ev;
1070
1071        if (len < sizeof(struct wmi_tkip_micerr_event))
1072                return -EINVAL;
1073
1074        ev = (struct wmi_tkip_micerr_event *) datap;
1075
1076        ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
1077
1078        return 0;
1079}
1080
1081void ath6kl_wmi_sscan_timer(unsigned long ptr)
1082{
1083        struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
1084
1085        cfg80211_sched_scan_results(vif->ar->wiphy);
1086}
1087
1088static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
1089                                       struct ath6kl_vif *vif)
1090{
1091        struct wmi_bss_info_hdr2 *bih;
1092        u8 *buf;
1093        struct ieee80211_channel *channel;
1094        struct ath6kl *ar = wmi->parent_dev;
1095        struct cfg80211_bss *bss;
1096
1097        if (len <= sizeof(struct wmi_bss_info_hdr2))
1098                return -EINVAL;
1099
1100        bih = (struct wmi_bss_info_hdr2 *) datap;
1101        buf = datap + sizeof(struct wmi_bss_info_hdr2);
1102        len -= sizeof(struct wmi_bss_info_hdr2);
1103
1104        ath6kl_dbg(ATH6KL_DBG_WMI,
1105                   "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1106                   "frame_type=%d\n",
1107                   bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1108                   bih->frame_type);
1109
1110        if (bih->frame_type != BEACON_FTYPE &&
1111            bih->frame_type != PROBERESP_FTYPE)
1112                return 0; /* Only update BSS table for now */
1113
1114        if (bih->frame_type == BEACON_FTYPE &&
1115            test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1116                clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1117                ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1118                                         NONE_BSS_FILTER, 0);
1119        }
1120
1121        channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1122        if (channel == NULL)
1123                return -EINVAL;
1124
1125        if (len < 8 + 2 + 2)
1126                return -EINVAL;
1127
1128        if (bih->frame_type == BEACON_FTYPE &&
1129            test_bit(CONNECTED, &vif->flags) &&
1130            memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1131                const u8 *tim;
1132                tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1133                                       len - 8 - 2 - 2);
1134                if (tim && tim[1] >= 2) {
1135                        vif->assoc_bss_dtim_period = tim[3];
1136                        set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1137                }
1138        }
1139
1140        bss = cfg80211_inform_bss(ar->wiphy, channel,
1141                                  bih->frame_type == BEACON_FTYPE ?
1142                                        CFG80211_BSS_FTYPE_BEACON :
1143                                        CFG80211_BSS_FTYPE_PRESP,
1144                                  bih->bssid, get_unaligned_le64((__le64 *)buf),
1145                                  get_unaligned_le16(((__le16 *)buf) + 5),
1146                                  get_unaligned_le16(((__le16 *)buf) + 4),
1147                                  buf + 8 + 2 + 2, len - 8 - 2 - 2,
1148                                  (bih->snr - 95) * 100, GFP_ATOMIC);
1149        if (bss == NULL)
1150                return -ENOMEM;
1151        cfg80211_put_bss(ar->wiphy, bss);
1152
1153        /*
1154         * Firmware doesn't return any event when scheduled scan has
1155         * finished, so we need to use a timer to find out when there are
1156         * no more results.
1157         *
1158         * The timer is started from the first bss info received, otherwise
1159         * the timer would not ever fire if the scan interval is short
1160         * enough.
1161         */
1162        if (test_bit(SCHED_SCANNING, &vif->flags) &&
1163            !timer_pending(&vif->sched_scan_timer)) {
1164                mod_timer(&vif->sched_scan_timer, jiffies +
1165                          msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1166        }
1167
1168        return 0;
1169}
1170
1171/* Inactivity timeout of a fatpipe(pstream) at the target */
1172static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1173                                               int len)
1174{
1175        struct wmi_pstream_timeout_event *ev;
1176
1177        if (len < sizeof(struct wmi_pstream_timeout_event))
1178                return -EINVAL;
1179
1180        ev = (struct wmi_pstream_timeout_event *) datap;
1181
1182        /*
1183         * When the pstream (fat pipe == AC) timesout, it means there were
1184         * no thinStreams within this pstream & it got implicitly created
1185         * due to data flow on this AC. We start the inactivity timer only
1186         * for implicitly created pstream. Just reset the host state.
1187         */
1188        spin_lock_bh(&wmi->lock);
1189        wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1190        wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1191        spin_unlock_bh(&wmi->lock);
1192
1193        /* Indicate inactivity to driver layer for this fatpipe (pstream) */
1194        ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1195
1196        return 0;
1197}
1198
1199static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1200{
1201        struct wmi_bit_rate_reply *reply;
1202        s32 rate;
1203        u32 sgi, index;
1204
1205        if (len < sizeof(struct wmi_bit_rate_reply))
1206                return -EINVAL;
1207
1208        reply = (struct wmi_bit_rate_reply *) datap;
1209
1210        ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1211
1212        if (reply->rate_index == (s8) RATE_AUTO) {
1213                rate = RATE_AUTO;
1214        } else {
1215                index = reply->rate_index & 0x7f;
1216                if (WARN_ON_ONCE(index > (RATE_MCS_7_40 + 1)))
1217                        return -EINVAL;
1218
1219                sgi = (reply->rate_index & 0x80) ? 1 : 0;
1220                rate = wmi_rate_tbl[index][sgi];
1221        }
1222
1223        ath6kl_wakeup_event(wmi->parent_dev);
1224
1225        return 0;
1226}
1227
1228static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1229{
1230        ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1231
1232        return 0;
1233}
1234
1235static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1236{
1237        if (len < sizeof(struct wmi_fix_rates_reply))
1238                return -EINVAL;
1239
1240        ath6kl_wakeup_event(wmi->parent_dev);
1241
1242        return 0;
1243}
1244
1245static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1246{
1247        if (len < sizeof(struct wmi_channel_list_reply))
1248                return -EINVAL;
1249
1250        ath6kl_wakeup_event(wmi->parent_dev);
1251
1252        return 0;
1253}
1254
1255static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1256{
1257        struct wmi_tx_pwr_reply *reply;
1258
1259        if (len < sizeof(struct wmi_tx_pwr_reply))
1260                return -EINVAL;
1261
1262        reply = (struct wmi_tx_pwr_reply *) datap;
1263        ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1264
1265        return 0;
1266}
1267
1268static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1269{
1270        if (len < sizeof(struct wmi_get_keepalive_cmd))
1271                return -EINVAL;
1272
1273        ath6kl_wakeup_event(wmi->parent_dev);
1274
1275        return 0;
1276}
1277
1278static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1279                                       struct ath6kl_vif *vif)
1280{
1281        struct wmi_scan_complete_event *ev;
1282
1283        ev = (struct wmi_scan_complete_event *) datap;
1284
1285        ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1286        wmi->is_probe_ssid = false;
1287
1288        return 0;
1289}
1290
1291static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1292                                               int len, struct ath6kl_vif *vif)
1293{
1294        struct wmi_neighbor_report_event *ev;
1295        u8 i;
1296
1297        if (len < sizeof(*ev))
1298                return -EINVAL;
1299        ev = (struct wmi_neighbor_report_event *) datap;
1300        if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1301            > len) {
1302                ath6kl_dbg(ATH6KL_DBG_WMI,
1303                           "truncated neighbor event (num=%d len=%d)\n",
1304                           ev->num_neighbors, len);
1305                return -EINVAL;
1306        }
1307        for (i = 0; i < ev->num_neighbors; i++) {
1308                ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1309                           i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1310                           ev->neighbor[i].bss_flags);
1311                cfg80211_pmksa_candidate_notify(vif->ndev, i,
1312                                                ev->neighbor[i].bssid,
1313                                                !!(ev->neighbor[i].bss_flags &
1314                                                   WMI_PREAUTH_CAPABLE_BSS),
1315                                                GFP_ATOMIC);
1316        }
1317
1318        return 0;
1319}
1320
1321/*
1322 * Target is reporting a programming error.  This is for
1323 * developer aid only.  Target only checks a few common violations
1324 * and it is responsibility of host to do all error checking.
1325 * Behavior of target after wmi error event is undefined.
1326 * A reset is recommended.
1327 */
1328static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1329{
1330        const char *type = "unknown error";
1331        struct wmi_cmd_error_event *ev;
1332        ev = (struct wmi_cmd_error_event *) datap;
1333
1334        switch (ev->err_code) {
1335        case INVALID_PARAM:
1336                type = "invalid parameter";
1337                break;
1338        case ILLEGAL_STATE:
1339                type = "invalid state";
1340                break;
1341        case INTERNAL_ERROR:
1342                type = "internal error";
1343                break;
1344        }
1345
1346        ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1347                   ev->cmd_id, type);
1348
1349        return 0;
1350}
1351
1352static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1353                                     struct ath6kl_vif *vif)
1354{
1355        ath6kl_tgt_stats_event(vif, datap, len);
1356
1357        return 0;
1358}
1359
1360static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1361                                         struct sq_threshold_params *sq_thresh,
1362                                         u32 size)
1363{
1364        u32 index;
1365        u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1366
1367        /* The list is already in sorted order. Get the next lower value */
1368        for (index = 0; index < size; index++) {
1369                if (rssi < sq_thresh->upper_threshold[index]) {
1370                        threshold = (u8) sq_thresh->upper_threshold[index];
1371                        break;
1372                }
1373        }
1374
1375        return threshold;
1376}
1377
1378static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1379                                         struct sq_threshold_params *sq_thresh,
1380                                         u32 size)
1381{
1382        u32 index;
1383        u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1384
1385        /* The list is already in sorted order. Get the next lower value */
1386        for (index = 0; index < size; index++) {
1387                if (rssi > sq_thresh->lower_threshold[index]) {
1388                        threshold = (u8) sq_thresh->lower_threshold[index];
1389                        break;
1390                }
1391        }
1392
1393        return threshold;
1394}
1395
1396static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1397                        struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1398{
1399        struct sk_buff *skb;
1400        struct wmi_rssi_threshold_params_cmd *cmd;
1401
1402        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1403        if (!skb)
1404                return -ENOMEM;
1405
1406        cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1407        memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1408
1409        return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1410                                   NO_SYNC_WMIFLAG);
1411}
1412
1413static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1414                                              int len)
1415{
1416        struct wmi_rssi_threshold_event *reply;
1417        struct wmi_rssi_threshold_params_cmd cmd;
1418        struct sq_threshold_params *sq_thresh;
1419        enum wmi_rssi_threshold_val new_threshold;
1420        u8 upper_rssi_threshold, lower_rssi_threshold;
1421        s16 rssi;
1422        int ret;
1423
1424        if (len < sizeof(struct wmi_rssi_threshold_event))
1425                return -EINVAL;
1426
1427        reply = (struct wmi_rssi_threshold_event *) datap;
1428        new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1429        rssi = a_sle16_to_cpu(reply->rssi);
1430
1431        sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1432
1433        /*
1434         * Identify the threshold breached and communicate that to the app.
1435         * After that install a new set of thresholds based on the signal
1436         * quality reported by the target
1437         */
1438        if (new_threshold) {
1439                /* Upper threshold breached */
1440                if (rssi < sq_thresh->upper_threshold[0]) {
1441                        ath6kl_dbg(ATH6KL_DBG_WMI,
1442                                   "spurious upper rssi threshold event: %d\n",
1443                                   rssi);
1444                } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1445                           (rssi >= sq_thresh->upper_threshold[0])) {
1446                        new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1447                } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1448                           (rssi >= sq_thresh->upper_threshold[1])) {
1449                        new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1450                } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1451                           (rssi >= sq_thresh->upper_threshold[2])) {
1452                        new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1453                } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1454                           (rssi >= sq_thresh->upper_threshold[3])) {
1455                        new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1456                } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1457                           (rssi >= sq_thresh->upper_threshold[4])) {
1458                        new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1459                } else if (rssi >= sq_thresh->upper_threshold[5]) {
1460                        new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1461                }
1462        } else {
1463                /* Lower threshold breached */
1464                if (rssi > sq_thresh->lower_threshold[0]) {
1465                        ath6kl_dbg(ATH6KL_DBG_WMI,
1466                                   "spurious lower rssi threshold event: %d %d\n",
1467                                rssi, sq_thresh->lower_threshold[0]);
1468                } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1469                           (rssi <= sq_thresh->lower_threshold[0])) {
1470                        new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1471                } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1472                           (rssi <= sq_thresh->lower_threshold[1])) {
1473                        new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1474                } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1475                           (rssi <= sq_thresh->lower_threshold[2])) {
1476                        new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1477                } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1478                           (rssi <= sq_thresh->lower_threshold[3])) {
1479                        new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1480                } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1481                           (rssi <= sq_thresh->lower_threshold[4])) {
1482                        new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1483                } else if (rssi <= sq_thresh->lower_threshold[5]) {
1484                        new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1485                }
1486        }
1487
1488        /* Calculate and install the next set of thresholds */
1489        lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1490                                       sq_thresh->lower_threshold_valid_count);
1491        upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1492                                       sq_thresh->upper_threshold_valid_count);
1493
1494        /* Issue a wmi command to install the thresholds */
1495        cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1496        cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1497        cmd.weight = sq_thresh->weight;
1498        cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1499
1500        ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1501        if (ret) {
1502                ath6kl_err("unable to configure rssi thresholds\n");
1503                return -EIO;
1504        }
1505
1506        return 0;
1507}
1508
1509static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1510                                   struct ath6kl_vif *vif)
1511{
1512        struct wmi_cac_event *reply;
1513        struct ieee80211_tspec_ie *ts;
1514        u16 active_tsids, tsinfo;
1515        u8 tsid, index;
1516        u8 ts_id;
1517
1518        if (len < sizeof(struct wmi_cac_event))
1519                return -EINVAL;
1520
1521        reply = (struct wmi_cac_event *) datap;
1522
1523        if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1524            (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1525                ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1526                tsinfo = le16_to_cpu(ts->tsinfo);
1527                tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1528                        IEEE80211_WMM_IE_TSPEC_TID_MASK;
1529
1530                ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1531                                              reply->ac, tsid);
1532        } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1533                /*
1534                 * Following assumes that there is only one outstanding
1535                 * ADDTS request when this event is received
1536                 */
1537                spin_lock_bh(&wmi->lock);
1538                active_tsids = wmi->stream_exist_for_ac[reply->ac];
1539                spin_unlock_bh(&wmi->lock);
1540
1541                for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1542                        if ((active_tsids >> index) & 1)
1543                                break;
1544                }
1545                if (index < (sizeof(active_tsids) * 8))
1546                        ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1547                                                      reply->ac, index);
1548        }
1549
1550        /*
1551         * Clear active tsids and Add missing handling
1552         * for delete qos stream from AP
1553         */
1554        else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1555                ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1556                tsinfo = le16_to_cpu(ts->tsinfo);
1557                ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1558                         IEEE80211_WMM_IE_TSPEC_TID_MASK);
1559
1560                spin_lock_bh(&wmi->lock);
1561                wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1562                active_tsids = wmi->stream_exist_for_ac[reply->ac];
1563                spin_unlock_bh(&wmi->lock);
1564
1565                /* Indicate stream inactivity to driver layer only if all tsids
1566                 * within this AC are deleted.
1567                 */
1568                if (!active_tsids) {
1569                        ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1570                                                    false);
1571                        wmi->fat_pipe_exist &= ~(1 << reply->ac);
1572                }
1573        }
1574
1575        return 0;
1576}
1577
1578static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,
1579                                          struct ath6kl_vif *vif)
1580{
1581        struct wmi_txe_notify_event *ev;
1582        u32 rate, pkts;
1583
1584        if (len < sizeof(*ev))
1585                return -EINVAL;
1586
1587        if (vif->sme_state != SME_CONNECTED)
1588                return -ENOTCONN;
1589
1590        ev = (struct wmi_txe_notify_event *) datap;
1591        rate = le32_to_cpu(ev->rate);
1592        pkts = le32_to_cpu(ev->pkts);
1593
1594        ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d% pkts %d intvl %ds\n",
1595                   vif->bssid, rate, pkts, vif->txe_intvl);
1596
1597        cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,
1598                                rate, vif->txe_intvl, GFP_KERNEL);
1599
1600        return 0;
1601}
1602
1603int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
1604                              u32 rate, u32 pkts, u32 intvl)
1605{
1606        struct sk_buff *skb;
1607        struct wmi_txe_notify_cmd *cmd;
1608
1609        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1610        if (!skb)
1611                return -ENOMEM;
1612
1613        cmd = (struct wmi_txe_notify_cmd *) skb->data;
1614        cmd->rate = cpu_to_le32(rate);
1615        cmd->pkts = cpu_to_le32(pkts);
1616        cmd->intvl = cpu_to_le32(intvl);
1617
1618        return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,
1619                                   NO_SYNC_WMIFLAG);
1620}
1621
1622int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
1623{
1624        struct sk_buff *skb;
1625        struct wmi_set_rssi_filter_cmd *cmd;
1626        int ret;
1627
1628        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1629        if (!skb)
1630                return -ENOMEM;
1631
1632        cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
1633        cmd->rssi = rssi;
1634
1635        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,
1636                                  NO_SYNC_WMIFLAG);
1637        return ret;
1638}
1639
1640static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1641                        struct wmi_snr_threshold_params_cmd *snr_cmd)
1642{
1643        struct sk_buff *skb;
1644        struct wmi_snr_threshold_params_cmd *cmd;
1645
1646        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1647        if (!skb)
1648                return -ENOMEM;
1649
1650        cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1651        memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1652
1653        return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1654                                   NO_SYNC_WMIFLAG);
1655}
1656
1657static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1658                                             int len)
1659{
1660        struct wmi_snr_threshold_event *reply;
1661        struct sq_threshold_params *sq_thresh;
1662        struct wmi_snr_threshold_params_cmd cmd;
1663        enum wmi_snr_threshold_val new_threshold;
1664        u8 upper_snr_threshold, lower_snr_threshold;
1665        s16 snr;
1666        int ret;
1667
1668        if (len < sizeof(struct wmi_snr_threshold_event))
1669                return -EINVAL;
1670
1671        reply = (struct wmi_snr_threshold_event *) datap;
1672
1673        new_threshold = (enum wmi_snr_threshold_val) reply->range;
1674        snr = reply->snr;
1675
1676        sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1677
1678        /*
1679         * Identify the threshold breached and communicate that to the app.
1680         * After that install a new set of thresholds based on the signal
1681         * quality reported by the target.
1682         */
1683        if (new_threshold) {
1684                /* Upper threshold breached */
1685                if (snr < sq_thresh->upper_threshold[0]) {
1686                        ath6kl_dbg(ATH6KL_DBG_WMI,
1687                                   "spurious upper snr threshold event: %d\n",
1688                                   snr);
1689                } else if ((snr < sq_thresh->upper_threshold[1]) &&
1690                           (snr >= sq_thresh->upper_threshold[0])) {
1691                        new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1692                } else if ((snr < sq_thresh->upper_threshold[2]) &&
1693                           (snr >= sq_thresh->upper_threshold[1])) {
1694                        new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1695                } else if ((snr < sq_thresh->upper_threshold[3]) &&
1696                           (snr >= sq_thresh->upper_threshold[2])) {
1697                        new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1698                } else if (snr >= sq_thresh->upper_threshold[3]) {
1699                        new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1700                }
1701        } else {
1702                /* Lower threshold breached */
1703                if (snr > sq_thresh->lower_threshold[0]) {
1704                        ath6kl_dbg(ATH6KL_DBG_WMI,
1705                                   "spurious lower snr threshold event: %d\n",
1706                                   sq_thresh->lower_threshold[0]);
1707                } else if ((snr > sq_thresh->lower_threshold[1]) &&
1708                           (snr <= sq_thresh->lower_threshold[0])) {
1709                        new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1710                } else if ((snr > sq_thresh->lower_threshold[2]) &&
1711                           (snr <= sq_thresh->lower_threshold[1])) {
1712                        new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1713                } else if ((snr > sq_thresh->lower_threshold[3]) &&
1714                           (snr <= sq_thresh->lower_threshold[2])) {
1715                        new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1716                } else if (snr <= sq_thresh->lower_threshold[3]) {
1717                        new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1718                }
1719        }
1720
1721        /* Calculate and install the next set of thresholds */
1722        lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1723                                       sq_thresh->lower_threshold_valid_count);
1724        upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1725                                       sq_thresh->upper_threshold_valid_count);
1726
1727        /* Issue a wmi command to install the thresholds */
1728        cmd.thresh_above1_val = upper_snr_threshold;
1729        cmd.thresh_below1_val = lower_snr_threshold;
1730        cmd.weight = sq_thresh->weight;
1731        cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1732
1733        ath6kl_dbg(ATH6KL_DBG_WMI,
1734                   "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1735                   snr, new_threshold,
1736                   lower_snr_threshold, upper_snr_threshold);
1737
1738        ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1739        if (ret) {
1740                ath6kl_err("unable to configure snr threshold\n");
1741                return -EIO;
1742        }
1743
1744        return 0;
1745}
1746
1747static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1748{
1749        u16 ap_info_entry_size;
1750        struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1751        struct wmi_ap_info_v1 *ap_info_v1;
1752        u8 index;
1753
1754        if (len < sizeof(struct wmi_aplist_event) ||
1755            ev->ap_list_ver != APLIST_VER1)
1756                return -EINVAL;
1757
1758        ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1759        ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1760
1761        ath6kl_dbg(ATH6KL_DBG_WMI,
1762                   "number of APs in aplist event: %d\n", ev->num_ap);
1763
1764        if (len < (int) (sizeof(struct wmi_aplist_event) +
1765                         (ev->num_ap - 1) * ap_info_entry_size))
1766                return -EINVAL;
1767
1768        /* AP list version 1 contents */
1769        for (index = 0; index < ev->num_ap; index++) {
1770                ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1771                           index, ap_info_v1->bssid, ap_info_v1->channel);
1772                ap_info_v1++;
1773        }
1774
1775        return 0;
1776}
1777
1778int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1779                        enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1780{
1781        struct wmi_cmd_hdr *cmd_hdr;
1782        enum htc_endpoint_id ep_id = wmi->ep_id;
1783        int ret;
1784        u16 info1;
1785
1786        if (WARN_ON(skb == NULL ||
1787                    (if_idx > (wmi->parent_dev->vif_max - 1)))) {
1788                dev_kfree_skb(skb);
1789                return -EINVAL;
1790        }
1791
1792        ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1793                   cmd_id, skb->len, sync_flag);
1794        ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1795                        skb->data, skb->len);
1796
1797        if (sync_flag >= END_WMIFLAG) {
1798                dev_kfree_skb(skb);
1799                return -EINVAL;
1800        }
1801
1802        if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1803            (sync_flag == SYNC_BOTH_WMIFLAG)) {
1804                /*
1805                 * Make sure all data currently queued is transmitted before
1806                 * the cmd execution.  Establish a new sync point.
1807                 */
1808                ath6kl_wmi_sync_point(wmi, if_idx);
1809        }
1810
1811        skb_push(skb, sizeof(struct wmi_cmd_hdr));
1812
1813        cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1814        cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1815        info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1816        cmd_hdr->info1 = cpu_to_le16(info1);
1817
1818        /* Only for OPT_TX_CMD, use BE endpoint. */
1819        if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1820                ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1821                                              false, false, 0, NULL, if_idx);
1822                if (ret) {
1823                        dev_kfree_skb(skb);
1824                        return ret;
1825                }
1826                ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1827        }
1828
1829        ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1830
1831        if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1832            (sync_flag == SYNC_BOTH_WMIFLAG)) {
1833                /*
1834                 * Make sure all new data queued waits for the command to
1835                 * execute. Establish a new sync point.
1836                 */
1837                ath6kl_wmi_sync_point(wmi, if_idx);
1838        }
1839
1840        return 0;
1841}
1842
1843int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1844                           enum network_type nw_type,
1845                           enum dot11_auth_mode dot11_auth_mode,
1846                           enum auth_mode auth_mode,
1847                           enum crypto_type pairwise_crypto,
1848                           u8 pairwise_crypto_len,
1849                           enum crypto_type group_crypto,
1850                           u8 group_crypto_len, int ssid_len, u8 *ssid,
1851                           u8 *bssid, u16 channel, u32 ctrl_flags,
1852                           u8 nw_subtype)
1853{
1854        struct sk_buff *skb;
1855        struct wmi_connect_cmd *cc;
1856        int ret;
1857
1858        ath6kl_dbg(ATH6KL_DBG_WMI,
1859                   "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1860                   "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1861                   bssid, channel, ctrl_flags, ssid_len, nw_type,
1862                   dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1863        ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1864
1865        wmi->traffic_class = 100;
1866
1867        if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1868                return -EINVAL;
1869
1870        if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1871                return -EINVAL;
1872
1873        skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1874        if (!skb)
1875                return -ENOMEM;
1876
1877        cc = (struct wmi_connect_cmd *) skb->data;
1878
1879        if (ssid_len)
1880                memcpy(cc->ssid, ssid, ssid_len);
1881
1882        cc->ssid_len = ssid_len;
1883        cc->nw_type = nw_type;
1884        cc->dot11_auth_mode = dot11_auth_mode;
1885        cc->auth_mode = auth_mode;
1886        cc->prwise_crypto_type = pairwise_crypto;
1887        cc->prwise_crypto_len = pairwise_crypto_len;
1888        cc->grp_crypto_type = group_crypto;
1889        cc->grp_crypto_len = group_crypto_len;
1890        cc->ch = cpu_to_le16(channel);
1891        cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1892        cc->nw_subtype = nw_subtype;
1893
1894        if (bssid != NULL)
1895                memcpy(cc->bssid, bssid, ETH_ALEN);
1896
1897        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1898                                  NO_SYNC_WMIFLAG);
1899
1900        return ret;
1901}
1902
1903int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1904                             u16 channel)
1905{
1906        struct sk_buff *skb;
1907        struct wmi_reconnect_cmd *cc;
1908        int ret;
1909
1910        ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1911                   bssid, channel);
1912
1913        wmi->traffic_class = 100;
1914
1915        skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1916        if (!skb)
1917                return -ENOMEM;
1918
1919        cc = (struct wmi_reconnect_cmd *) skb->data;
1920        cc->channel = cpu_to_le16(channel);
1921
1922        if (bssid != NULL)
1923                memcpy(cc->bssid, bssid, ETH_ALEN);
1924
1925        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1926                                  NO_SYNC_WMIFLAG);
1927
1928        return ret;
1929}
1930
1931int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1932{
1933        int ret;
1934
1935        ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1936
1937        wmi->traffic_class = 100;
1938
1939        /* Disconnect command does not need to do a SYNC before. */
1940        ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1941
1942        return ret;
1943}
1944
1945/* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1946 * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1947 * mgmt operations using station interface.
1948 */
1949static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1950                                    enum wmi_scan_type scan_type,
1951                                    u32 force_fgscan, u32 is_legacy,
1952                                    u32 home_dwell_time,
1953                                    u32 force_scan_interval,
1954                                    s8 num_chan, u16 *ch_list)
1955{
1956        struct sk_buff *skb;
1957        struct wmi_start_scan_cmd *sc;
1958        s8 size;
1959        int i, ret;
1960
1961        size = sizeof(struct wmi_start_scan_cmd);
1962
1963        if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1964                return -EINVAL;
1965
1966        if (num_chan > WMI_MAX_CHANNELS)
1967                return -EINVAL;
1968
1969        if (num_chan)
1970                size += sizeof(u16) * (num_chan - 1);
1971
1972        skb = ath6kl_wmi_get_new_buf(size);
1973        if (!skb)
1974                return -ENOMEM;
1975
1976        sc = (struct wmi_start_scan_cmd *) skb->data;
1977        sc->scan_type = scan_type;
1978        sc->force_fg_scan = cpu_to_le32(force_fgscan);
1979        sc->is_legacy = cpu_to_le32(is_legacy);
1980        sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1981        sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1982        sc->num_ch = num_chan;
1983
1984        for (i = 0; i < num_chan; i++)
1985                sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1986
1987        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1988                                  NO_SYNC_WMIFLAG);
1989
1990        return ret;
1991}
1992
1993/*
1994 * beginscan supports (compared to old startscan) P2P mgmt operations using
1995 * station interface, send additional information like supported rates to
1996 * advertise and xmit rates for probe requests
1997 */
1998int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1999                             enum wmi_scan_type scan_type,
2000                             u32 force_fgscan, u32 is_legacy,
2001                             u32 home_dwell_time, u32 force_scan_interval,
2002                             s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
2003{
2004        struct ieee80211_supported_band *sband;
2005        struct sk_buff *skb;
2006        struct wmi_begin_scan_cmd *sc;
2007        s8 size, *supp_rates;
2008        int i, band, ret;
2009        struct ath6kl *ar = wmi->parent_dev;
2010        int num_rates;
2011        u32 ratemask;
2012
2013        if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
2014                      ar->fw_capabilities)) {
2015                return ath6kl_wmi_startscan_cmd(wmi, if_idx,
2016                                                scan_type, force_fgscan,
2017                                                is_legacy, home_dwell_time,
2018                                                force_scan_interval,
2019                                                num_chan, ch_list);
2020        }
2021
2022        size = sizeof(struct wmi_begin_scan_cmd);
2023
2024        if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
2025                return -EINVAL;
2026
2027        if (num_chan > WMI_MAX_CHANNELS)
2028                return -EINVAL;
2029
2030        if (num_chan)
2031                size += sizeof(u16) * (num_chan - 1);
2032
2033        skb = ath6kl_wmi_get_new_buf(size);
2034        if (!skb)
2035                return -ENOMEM;
2036
2037        sc = (struct wmi_begin_scan_cmd *) skb->data;
2038        sc->scan_type = scan_type;
2039        sc->force_fg_scan = cpu_to_le32(force_fgscan);
2040        sc->is_legacy = cpu_to_le32(is_legacy);
2041        sc->home_dwell_time = cpu_to_le32(home_dwell_time);
2042        sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
2043        sc->no_cck = cpu_to_le32(no_cck);
2044        sc->num_ch = num_chan;
2045
2046        for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2047                sband = ar->wiphy->bands[band];
2048
2049                if (!sband)
2050                        continue;
2051
2052                if (WARN_ON(band >= ATH6KL_NUM_BANDS))
2053                        break;
2054
2055                ratemask = rates[band];
2056                supp_rates = sc->supp_rates[band].rates;
2057                num_rates = 0;
2058
2059                for (i = 0; i < sband->n_bitrates; i++) {
2060                        if ((BIT(i) & ratemask) == 0)
2061                                continue; /* skip rate */
2062                        supp_rates[num_rates++] =
2063                            (u8) (sband->bitrates[i].bitrate / 5);
2064                }
2065                sc->supp_rates[band].nrates = num_rates;
2066        }
2067
2068        for (i = 0; i < num_chan; i++)
2069                sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2070
2071        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
2072                                  NO_SYNC_WMIFLAG);
2073
2074        return ret;
2075}
2076
2077int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2078{
2079        struct sk_buff *skb;
2080        struct wmi_enable_sched_scan_cmd *sc;
2081        int ret;
2082
2083        skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2084        if (!skb)
2085                return -ENOMEM;
2086
2087        ath6kl_dbg(ATH6KL_DBG_WMI, "%s scheduled scan on vif %d\n",
2088                   enable ? "enabling" : "disabling", if_idx);
2089        sc = (struct wmi_enable_sched_scan_cmd *) skb->data;
2090        sc->enable = enable ? 1 : 0;
2091
2092        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2093                                  WMI_ENABLE_SCHED_SCAN_CMDID,
2094                                  NO_SYNC_WMIFLAG);
2095        return ret;
2096}
2097
2098int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
2099                              u16 fg_start_sec,
2100                              u16 fg_end_sec, u16 bg_sec,
2101                              u16 minact_chdw_msec, u16 maxact_chdw_msec,
2102                              u16 pas_chdw_msec, u8 short_scan_ratio,
2103                              u8 scan_ctrl_flag, u32 max_dfsch_act_time,
2104                              u16 maxact_scan_per_ssid)
2105{
2106        struct sk_buff *skb;
2107        struct wmi_scan_params_cmd *sc;
2108        int ret;
2109
2110        skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2111        if (!skb)
2112                return -ENOMEM;
2113
2114        sc = (struct wmi_scan_params_cmd *) skb->data;
2115        sc->fg_start_period = cpu_to_le16(fg_start_sec);
2116        sc->fg_end_period = cpu_to_le16(fg_end_sec);
2117        sc->bg_period = cpu_to_le16(bg_sec);
2118        sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
2119        sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
2120        sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
2121        sc->short_scan_ratio = short_scan_ratio;
2122        sc->scan_ctrl_flags = scan_ctrl_flag;
2123        sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
2124        sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
2125
2126        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
2127                                  NO_SYNC_WMIFLAG);
2128        return ret;
2129}
2130
2131int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
2132{
2133        struct sk_buff *skb;
2134        struct wmi_bss_filter_cmd *cmd;
2135        int ret;
2136
2137        if (filter >= LAST_BSS_FILTER)
2138                return -EINVAL;
2139
2140        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2141        if (!skb)
2142                return -ENOMEM;
2143
2144        cmd = (struct wmi_bss_filter_cmd *) skb->data;
2145        cmd->bss_filter = filter;
2146        cmd->ie_mask = cpu_to_le32(ie_mask);
2147
2148        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
2149                                  NO_SYNC_WMIFLAG);
2150        return ret;
2151}
2152
2153int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2154                              u8 ssid_len, u8 *ssid)
2155{
2156        struct sk_buff *skb;
2157        struct wmi_probed_ssid_cmd *cmd;
2158        int ret;
2159
2160        if (index >= MAX_PROBED_SSIDS)
2161                return -EINVAL;
2162
2163        if (ssid_len > sizeof(cmd->ssid))
2164                return -EINVAL;
2165
2166        if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2167                return -EINVAL;
2168
2169        if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2170                return -EINVAL;
2171
2172        if (flag & SPECIFIC_SSID_FLAG)
2173                wmi->is_probe_ssid = true;
2174
2175        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2176        if (!skb)
2177                return -ENOMEM;
2178
2179        cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2180        cmd->entry_index = index;
2181        cmd->flag = flag;
2182        cmd->ssid_len = ssid_len;
2183        memcpy(cmd->ssid, ssid, ssid_len);
2184
2185        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2186                                  NO_SYNC_WMIFLAG);
2187        return ret;
2188}
2189
2190int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2191                                  u16 listen_interval,
2192                                  u16 listen_beacons)
2193{
2194        struct sk_buff *skb;
2195        struct wmi_listen_int_cmd *cmd;
2196        int ret;
2197
2198        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2199        if (!skb)
2200                return -ENOMEM;
2201
2202        cmd = (struct wmi_listen_int_cmd *) skb->data;
2203        cmd->listen_intvl = cpu_to_le16(listen_interval);
2204        cmd->num_beacons = cpu_to_le16(listen_beacons);
2205
2206        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2207                                  NO_SYNC_WMIFLAG);
2208        return ret;
2209}
2210
2211int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2212                             u16 bmiss_time, u16 num_beacons)
2213{
2214        struct sk_buff *skb;
2215        struct wmi_bmiss_time_cmd *cmd;
2216        int ret;
2217
2218        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2219        if (!skb)
2220                return -ENOMEM;
2221
2222        cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2223        cmd->bmiss_time = cpu_to_le16(bmiss_time);
2224        cmd->num_beacons = cpu_to_le16(num_beacons);
2225
2226        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2227                                  NO_SYNC_WMIFLAG);
2228        return ret;
2229}
2230
2231int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2232{
2233        struct sk_buff *skb;
2234        struct wmi_power_mode_cmd *cmd;
2235        int ret;
2236
2237        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2238        if (!skb)
2239                return -ENOMEM;
2240
2241        cmd = (struct wmi_power_mode_cmd *) skb->data;
2242        cmd->pwr_mode = pwr_mode;
2243        wmi->pwr_mode = pwr_mode;
2244
2245        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2246                                  NO_SYNC_WMIFLAG);
2247        return ret;
2248}
2249
2250int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2251                            u16 ps_poll_num, u16 dtim_policy,
2252                            u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2253                            u16 ps_fail_event_policy)
2254{
2255        struct sk_buff *skb;
2256        struct wmi_power_params_cmd *pm;
2257        int ret;
2258
2259        skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2260        if (!skb)
2261                return -ENOMEM;
2262
2263        pm = (struct wmi_power_params_cmd *)skb->data;
2264        pm->idle_period = cpu_to_le16(idle_period);
2265        pm->pspoll_number = cpu_to_le16(ps_poll_num);
2266        pm->dtim_policy = cpu_to_le16(dtim_policy);
2267        pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2268        pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2269        pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2270
2271        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2272                                  NO_SYNC_WMIFLAG);
2273        return ret;
2274}
2275
2276int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2277{
2278        struct sk_buff *skb;
2279        struct wmi_disc_timeout_cmd *cmd;
2280        int ret;
2281
2282        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2283        if (!skb)
2284                return -ENOMEM;
2285
2286        cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2287        cmd->discon_timeout = timeout;
2288
2289        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2290                                  NO_SYNC_WMIFLAG);
2291
2292        if (ret == 0)
2293                ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2294
2295        return ret;
2296}
2297
2298int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2299                          enum crypto_type key_type,
2300                          u8 key_usage, u8 key_len,
2301                          u8 *key_rsc, unsigned int key_rsc_len,
2302                          u8 *key_material,
2303                          u8 key_op_ctrl, u8 *mac_addr,
2304                          enum wmi_sync_flag sync_flag)
2305{
2306        struct sk_buff *skb;
2307        struct wmi_add_cipher_key_cmd *cmd;
2308        int ret;
2309
2310        ath6kl_dbg(ATH6KL_DBG_WMI,
2311                   "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2312                   key_index, key_type, key_usage, key_len, key_op_ctrl);
2313
2314        if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2315            (key_material == NULL) || key_rsc_len > 8)
2316                return -EINVAL;
2317
2318        if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2319                return -EINVAL;
2320
2321        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2322        if (!skb)
2323                return -ENOMEM;
2324
2325        cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2326        cmd->key_index = key_index;
2327        cmd->key_type = key_type;
2328        cmd->key_usage = key_usage;
2329        cmd->key_len = key_len;
2330        memcpy(cmd->key, key_material, key_len);
2331
2332        if (key_rsc != NULL)
2333                memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2334
2335        cmd->key_op_ctrl = key_op_ctrl;
2336
2337        if (mac_addr)
2338                memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2339
2340        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2341                                  sync_flag);
2342
2343        return ret;
2344}
2345
2346int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, const u8 *krk)
2347{
2348        struct sk_buff *skb;
2349        struct wmi_add_krk_cmd *cmd;
2350        int ret;
2351
2352        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2353        if (!skb)
2354                return -ENOMEM;
2355
2356        cmd = (struct wmi_add_krk_cmd *) skb->data;
2357        memcpy(cmd->krk, krk, WMI_KRK_LEN);
2358
2359        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2360                                  NO_SYNC_WMIFLAG);
2361
2362        return ret;
2363}
2364
2365int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2366{
2367        struct sk_buff *skb;
2368        struct wmi_delete_cipher_key_cmd *cmd;
2369        int ret;
2370
2371        if (key_index > WMI_MAX_KEY_INDEX)
2372                return -EINVAL;
2373
2374        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2375        if (!skb)
2376                return -ENOMEM;
2377
2378        cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2379        cmd->key_index = key_index;
2380
2381        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2382                                  NO_SYNC_WMIFLAG);
2383
2384        return ret;
2385}
2386
2387int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2388                            const u8 *pmkid, bool set)
2389{
2390        struct sk_buff *skb;
2391        struct wmi_setpmkid_cmd *cmd;
2392        int ret;
2393
2394        if (bssid == NULL)
2395                return -EINVAL;
2396
2397        if (set && pmkid == NULL)
2398                return -EINVAL;
2399
2400        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2401        if (!skb)
2402                return -ENOMEM;
2403
2404        cmd = (struct wmi_setpmkid_cmd *) skb->data;
2405        memcpy(cmd->bssid, bssid, ETH_ALEN);
2406        if (set) {
2407                memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2408                cmd->enable = PMKID_ENABLE;
2409        } else {
2410                memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2411                cmd->enable = PMKID_DISABLE;
2412        }
2413
2414        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2415                                  NO_SYNC_WMIFLAG);
2416
2417        return ret;
2418}
2419
2420static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2421                              enum htc_endpoint_id ep_id, u8 if_idx)
2422{
2423        struct wmi_data_hdr *data_hdr;
2424        int ret;
2425
2426        if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {
2427                dev_kfree_skb(skb);
2428                return -EINVAL;
2429        }
2430
2431        skb_push(skb, sizeof(struct wmi_data_hdr));
2432
2433        data_hdr = (struct wmi_data_hdr *) skb->data;
2434        data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2435        data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2436
2437        ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2438
2439        return ret;
2440}
2441
2442static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2443{
2444        struct sk_buff *skb;
2445        struct wmi_sync_cmd *cmd;
2446        struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2447        enum htc_endpoint_id ep_id;
2448        u8 index, num_pri_streams = 0;
2449        int ret = 0;
2450
2451        memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2452
2453        spin_lock_bh(&wmi->lock);
2454
2455        for (index = 0; index < WMM_NUM_AC; index++) {
2456                if (wmi->fat_pipe_exist & (1 << index)) {
2457                        num_pri_streams++;
2458                        data_sync_bufs[num_pri_streams - 1].traffic_class =
2459                            index;
2460                }
2461        }
2462
2463        spin_unlock_bh(&wmi->lock);
2464
2465        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2466        if (!skb)
2467                return -ENOMEM;
2468
2469        cmd = (struct wmi_sync_cmd *) skb->data;
2470
2471        /*
2472         * In the SYNC cmd sent on the control Ep, send a bitmap
2473         * of the data eps on which the Data Sync will be sent
2474         */
2475        cmd->data_sync_map = wmi->fat_pipe_exist;
2476
2477        for (index = 0; index < num_pri_streams; index++) {
2478                data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2479                if (data_sync_bufs[index].skb == NULL) {
2480                        ret = -ENOMEM;
2481                        break;
2482                }
2483        }
2484
2485        /*
2486         * If buffer allocation for any of the dataSync fails,
2487         * then do not send the Synchronize cmd on the control ep
2488         */
2489        if (ret)
2490                goto free_cmd_skb;
2491
2492        /*
2493         * Send sync cmd followed by sync data messages on all
2494         * endpoints being used
2495         */
2496        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2497                                  NO_SYNC_WMIFLAG);
2498
2499        if (ret)
2500                goto free_data_skb;
2501
2502        for (index = 0; index < num_pri_streams; index++) {
2503                if (WARN_ON(!data_sync_bufs[index].skb))
2504                        goto free_data_skb;
2505
2506                ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2507                                               data_sync_bufs[index].
2508                                               traffic_class);
2509                ret =
2510                    ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2511                                              ep_id, if_idx);
2512
2513                data_sync_bufs[index].skb = NULL;
2514
2515                if (ret)
2516                        goto free_data_skb;
2517        }
2518
2519        return 0;
2520
2521free_cmd_skb:
2522        /* free up any resources left over (possibly due to an error) */
2523        dev_kfree_skb(skb);
2524
2525free_data_skb:
2526        for (index = 0; index < num_pri_streams; index++)
2527                dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].skb);
2528
2529        return ret;
2530}
2531
2532int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2533                                  struct wmi_create_pstream_cmd *params)
2534{
2535        struct sk_buff *skb;
2536        struct wmi_create_pstream_cmd *cmd;
2537        u8 fatpipe_exist_for_ac = 0;
2538        s32 min_phy = 0;
2539        s32 nominal_phy = 0;
2540        int ret;
2541
2542        if (!((params->user_pri < 8) &&
2543              (params->user_pri <= 0x7) &&
2544              (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2545              (params->traffic_direc == UPLINK_TRAFFIC ||
2546               params->traffic_direc == DNLINK_TRAFFIC ||
2547               params->traffic_direc == BIDIR_TRAFFIC) &&
2548              (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2549               params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2550              (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2551               params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2552               params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2553              (params->tsid == WMI_IMPLICIT_PSTREAM ||
2554               params->tsid <= WMI_MAX_THINSTREAM))) {
2555                return -EINVAL;
2556        }
2557
2558        /*
2559         * Check nominal PHY rate is >= minimalPHY,
2560         * so that DUT can allow TSRS IE
2561         */
2562
2563        /* Get the physical rate (units of bps) */
2564        min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2565
2566        /* Check minimal phy < nominal phy rate */
2567        if (params->nominal_phy >= min_phy) {
2568                /* unit of 500 kbps */
2569                nominal_phy = (params->nominal_phy * 1000) / 500;
2570                ath6kl_dbg(ATH6KL_DBG_WMI,
2571                           "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2572                           min_phy, nominal_phy);
2573
2574                params->nominal_phy = nominal_phy;
2575        } else {
2576                params->nominal_phy = 0;
2577        }
2578
2579        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2580        if (!skb)
2581                return -ENOMEM;
2582
2583        ath6kl_dbg(ATH6KL_DBG_WMI,
2584                   "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2585                   params->traffic_class, params->tsid);
2586
2587        cmd = (struct wmi_create_pstream_cmd *) skb->data;
2588        memcpy(cmd, params, sizeof(*cmd));
2589
2590        /* This is an implicitly created Fat pipe */
2591        if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2592                spin_lock_bh(&wmi->lock);
2593                fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2594                                        (1 << params->traffic_class));
2595                wmi->fat_pipe_exist |= (1 << params->traffic_class);
2596                spin_unlock_bh(&wmi->lock);
2597        } else {
2598                /* explicitly created thin stream within a fat pipe */
2599                spin_lock_bh(&wmi->lock);
2600                fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2601                                        (1 << params->traffic_class));
2602                wmi->stream_exist_for_ac[params->traffic_class] |=
2603                    (1 << params->tsid);
2604                /*
2605                 * If a thinstream becomes active, the fat pipe automatically
2606                 * becomes active
2607                 */
2608                wmi->fat_pipe_exist |= (1 << params->traffic_class);
2609                spin_unlock_bh(&wmi->lock);
2610        }
2611
2612        /*
2613         * Indicate activty change to driver layer only if this is the
2614         * first TSID to get created in this AC explicitly or an implicit
2615         * fat pipe is getting created.
2616         */
2617        if (!fatpipe_exist_for_ac)
2618                ath6kl_indicate_tx_activity(wmi->parent_dev,
2619                                            params->traffic_class, true);
2620
2621        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2622                                  NO_SYNC_WMIFLAG);
2623        return ret;
2624}
2625
2626int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2627                                  u8 tsid)
2628{
2629        struct sk_buff *skb;
2630        struct wmi_delete_pstream_cmd *cmd;
2631        u16 active_tsids = 0;
2632        int ret;
2633
2634        if (traffic_class > 3) {
2635                ath6kl_err("invalid traffic class: %d\n", traffic_class);
2636                return -EINVAL;
2637        }
2638
2639        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2640        if (!skb)
2641                return -ENOMEM;
2642
2643        cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2644        cmd->traffic_class = traffic_class;
2645        cmd->tsid = tsid;
2646
2647        spin_lock_bh(&wmi->lock);
2648        active_tsids = wmi->stream_exist_for_ac[traffic_class];
2649        spin_unlock_bh(&wmi->lock);
2650
2651        if (!(active_tsids & (1 << tsid))) {
2652                dev_kfree_skb(skb);
2653                ath6kl_dbg(ATH6KL_DBG_WMI,
2654                           "TSID %d doesn't exist for traffic class: %d\n",
2655                           tsid, traffic_class);
2656                return -ENODATA;
2657        }
2658
2659        ath6kl_dbg(ATH6KL_DBG_WMI,
2660                   "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2661                   traffic_class, tsid);
2662
2663        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2664                                  SYNC_BEFORE_WMIFLAG);
2665
2666        spin_lock_bh(&wmi->lock);
2667        wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2668        active_tsids = wmi->stream_exist_for_ac[traffic_class];
2669        spin_unlock_bh(&wmi->lock);
2670
2671        /*
2672         * Indicate stream inactivity to driver layer only if all tsids
2673         * within this AC are deleted.
2674         */
2675        if (!active_tsids) {
2676                ath6kl_indicate_tx_activity(wmi->parent_dev,
2677                                            traffic_class, false);
2678                wmi->fat_pipe_exist &= ~(1 << traffic_class);
2679        }
2680
2681        return ret;
2682}
2683
2684int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2685                          __be32 ips0, __be32 ips1)
2686{
2687        struct sk_buff *skb;
2688        struct wmi_set_ip_cmd *cmd;
2689        int ret;
2690
2691        /* Multicast address are not valid */
2692        if (ipv4_is_multicast(ips0) ||
2693            ipv4_is_multicast(ips1))
2694                return -EINVAL;
2695
2696        skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2697        if (!skb)
2698                return -ENOMEM;
2699
2700        cmd = (struct wmi_set_ip_cmd *) skb->data;
2701        cmd->ips[0] = ips0;
2702        cmd->ips[1] = ips1;
2703
2704        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2705                                  NO_SYNC_WMIFLAG);
2706        return ret;
2707}
2708
2709static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2710{
2711        u16 active_tsids;
2712        u8 stream_exist;
2713        int i;
2714
2715        /*
2716         * Relinquish credits from all implicitly created pstreams
2717         * since when we go to sleep. If user created explicit
2718         * thinstreams exists with in a fatpipe leave them intact
2719         * for the user to delete.
2720         */
2721        spin_lock_bh(&wmi->lock);
2722        stream_exist = wmi->fat_pipe_exist;
2723        spin_unlock_bh(&wmi->lock);
2724
2725        for (i = 0; i < WMM_NUM_AC; i++) {
2726                if (stream_exist & (1 << i)) {
2727                        /*
2728                         * FIXME: Is this lock & unlock inside
2729                         * for loop correct? may need rework.
2730                         */
2731                        spin_lock_bh(&wmi->lock);
2732                        active_tsids = wmi->stream_exist_for_ac[i];
2733                        spin_unlock_bh(&wmi->lock);
2734
2735                        /*
2736                         * If there are no user created thin streams
2737                         * delete the fatpipe
2738                         */
2739                        if (!active_tsids) {
2740                                stream_exist &= ~(1 << i);
2741                                /*
2742                                 * Indicate inactivity to driver layer for
2743                                 * this fatpipe (pstream)
2744                                 */
2745                                ath6kl_indicate_tx_activity(wmi->parent_dev,
2746                                                            i, false);
2747                        }
2748                }
2749        }
2750
2751        /* FIXME: Can we do this assignment without locking ? */
2752        spin_lock_bh(&wmi->lock);
2753        wmi->fat_pipe_exist = stream_exist;
2754        spin_unlock_bh(&wmi->lock);
2755}
2756
2757static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2758                                     const struct cfg80211_bitrate_mask *mask)
2759{
2760        struct sk_buff *skb;
2761        int ret, mode, band;
2762        u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2763        struct wmi_set_tx_select_rates64_cmd *cmd;
2764
2765        memset(&ratemask, 0, sizeof(ratemask));
2766
2767        /* only check 2.4 and 5 GHz bands, skip the rest */
2768        for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2769                /* copy legacy rate mask */
2770                ratemask[band] = mask->control[band].legacy;
2771                if (band == IEEE80211_BAND_5GHZ)
2772                        ratemask[band] =
2773                                mask->control[band].legacy << 4;
2774
2775                /* copy mcs rate mask */
2776                mcsrate = mask->control[band].ht_mcs[1];
2777                mcsrate <<= 8;
2778                mcsrate |= mask->control[band].ht_mcs[0];
2779                ratemask[band] |= mcsrate << 12;
2780                ratemask[band] |= mcsrate << 28;
2781        }
2782
2783        ath6kl_dbg(ATH6KL_DBG_WMI,
2784                   "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2785                   ratemask[0], ratemask[1]);
2786
2787        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2788        if (!skb)
2789                return -ENOMEM;
2790
2791        cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2792        for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2793                /* A mode operate in 5GHZ band */
2794                if (mode == WMI_RATES_MODE_11A ||
2795                    mode == WMI_RATES_MODE_11A_HT20 ||
2796                    mode == WMI_RATES_MODE_11A_HT40)
2797                        band = IEEE80211_BAND_5GHZ;
2798                else
2799                        band = IEEE80211_BAND_2GHZ;
2800                cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2801        }
2802
2803        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2804                                  WMI_SET_TX_SELECT_RATES_CMDID,
2805                                  NO_SYNC_WMIFLAG);
2806        return ret;
2807}
2808
2809static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2810                                     const struct cfg80211_bitrate_mask *mask)
2811{
2812        struct sk_buff *skb;
2813        int ret, mode, band;
2814        u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2815        struct wmi_set_tx_select_rates32_cmd *cmd;
2816
2817        memset(&ratemask, 0, sizeof(ratemask));
2818
2819        /* only check 2.4 and 5 GHz bands, skip the rest */
2820        for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2821                /* copy legacy rate mask */
2822                ratemask[band] = mask->control[band].legacy;
2823                if (band == IEEE80211_BAND_5GHZ)
2824                        ratemask[band] =
2825                                mask->control[band].legacy << 4;
2826
2827                /* copy mcs rate mask */
2828                mcsrate = mask->control[band].ht_mcs[0];
2829                ratemask[band] |= mcsrate << 12;
2830                ratemask[band] |= mcsrate << 20;
2831        }
2832
2833        ath6kl_dbg(ATH6KL_DBG_WMI,
2834                   "Ratemask 32 bit: 2.4:%x 5:%x\n",
2835                   ratemask[0], ratemask[1]);
2836
2837        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2838        if (!skb)
2839                return -ENOMEM;
2840
2841        cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2842        for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2843                /* A mode operate in 5GHZ band */
2844                if (mode == WMI_RATES_MODE_11A ||
2845                    mode == WMI_RATES_MODE_11A_HT20 ||
2846                    mode == WMI_RATES_MODE_11A_HT40)
2847                        band = IEEE80211_BAND_5GHZ;
2848                else
2849                        band = IEEE80211_BAND_2GHZ;
2850                cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2851        }
2852
2853        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2854                                  WMI_SET_TX_SELECT_RATES_CMDID,
2855                                  NO_SYNC_WMIFLAG);
2856        return ret;
2857}
2858
2859int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2860                                const struct cfg80211_bitrate_mask *mask)
2861{
2862        struct ath6kl *ar = wmi->parent_dev;
2863
2864        if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
2865                     ar->fw_capabilities))
2866                return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
2867        else
2868                return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
2869}
2870
2871int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2872                                       enum ath6kl_host_mode host_mode)
2873{
2874        struct sk_buff *skb;
2875        struct wmi_set_host_sleep_mode_cmd *cmd;
2876        int ret;
2877
2878        if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2879            (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2880                ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2881                return -EINVAL;
2882        }
2883
2884        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2885        if (!skb)
2886                return -ENOMEM;
2887
2888        cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2889
2890        if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2891                ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2892                cmd->asleep = cpu_to_le32(1);
2893        } else {
2894                cmd->awake = cpu_to_le32(1);
2895        }
2896
2897        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2898                                  WMI_SET_HOST_SLEEP_MODE_CMDID,
2899                                  NO_SYNC_WMIFLAG);
2900        return ret;
2901}
2902
2903/* This command has zero length payload */
2904static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2905                                                      struct ath6kl_vif *vif)
2906{
2907        struct ath6kl *ar = wmi->parent_dev;
2908
2909        set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2910        wake_up(&ar->event_wq);
2911
2912        return 0;
2913}
2914
2915int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2916                                enum ath6kl_wow_mode wow_mode,
2917                                u32 filter, u16 host_req_delay)
2918{
2919        struct sk_buff *skb;
2920        struct wmi_set_wow_mode_cmd *cmd;
2921        int ret;
2922
2923        if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2924            wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2925                ath6kl_err("invalid wow mode: %d\n", wow_mode);
2926                return -EINVAL;
2927        }
2928
2929        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2930        if (!skb)
2931                return -ENOMEM;
2932
2933        cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2934        cmd->enable_wow = cpu_to_le32(wow_mode);
2935        cmd->filter = cpu_to_le32(filter);
2936        cmd->host_req_delay = cpu_to_le16(host_req_delay);
2937
2938        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2939                                  NO_SYNC_WMIFLAG);
2940        return ret;
2941}
2942
2943int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2944                                   u8 list_id, u8 filter_size,
2945                                   u8 filter_offset, const u8 *filter,
2946                                   const u8 *mask)
2947{
2948        struct sk_buff *skb;
2949        struct wmi_add_wow_pattern_cmd *cmd;
2950        u16 size;
2951        u8 *filter_mask;
2952        int ret;
2953
2954        /*
2955         * Allocate additional memory in the buffer to hold
2956         * filter and mask value, which is twice of filter_size.
2957         */
2958        size = sizeof(*cmd) + (2 * filter_size);
2959
2960        skb = ath6kl_wmi_get_new_buf(size);
2961        if (!skb)
2962                return -ENOMEM;
2963
2964        cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2965        cmd->filter_list_id = list_id;
2966        cmd->filter_size = filter_size;
2967        cmd->filter_offset = filter_offset;
2968
2969        memcpy(cmd->filter, filter, filter_size);
2970
2971        filter_mask = (u8 *) (cmd->filter + filter_size);
2972        memcpy(filter_mask, mask, filter_size);
2973
2974        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2975                                  NO_SYNC_WMIFLAG);
2976
2977        return ret;
2978}
2979
2980int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2981                                   u16 list_id, u16 filter_id)
2982{
2983        struct sk_buff *skb;
2984        struct wmi_del_wow_pattern_cmd *cmd;
2985        int ret;
2986
2987        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2988        if (!skb)
2989                return -ENOMEM;
2990
2991        cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2992        cmd->filter_list_id = cpu_to_le16(list_id);
2993        cmd->filter_id = cpu_to_le16(filter_id);
2994
2995        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2996                                  NO_SYNC_WMIFLAG);
2997        return ret;
2998}
2999
3000static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
3001                                    enum wmix_command_id cmd_id,
3002                                    enum wmi_sync_flag sync_flag)
3003{
3004        struct wmix_cmd_hdr *cmd_hdr;
3005        int ret;
3006
3007        skb_push(skb, sizeof(struct wmix_cmd_hdr));
3008
3009        cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
3010        cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
3011
3012        ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
3013
3014        return ret;
3015}
3016
3017int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
3018{
3019        struct sk_buff *skb;
3020        struct wmix_hb_challenge_resp_cmd *cmd;
3021        int ret;
3022
3023        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3024        if (!skb)
3025                return -ENOMEM;
3026
3027        cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
3028        cmd->cookie = cpu_to_le32(cookie);
3029        cmd->source = cpu_to_le32(source);
3030
3031        ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
3032                                       NO_SYNC_WMIFLAG);
3033        return ret;
3034}
3035
3036int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
3037{
3038        struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
3039        struct sk_buff *skb;
3040        int ret;
3041
3042        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3043        if (!skb)
3044                return -ENOMEM;
3045
3046        cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
3047        cmd->valid = cpu_to_le32(valid);
3048        cmd->config = cpu_to_le32(config);
3049
3050        ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
3051                                       NO_SYNC_WMIFLAG);
3052        return ret;
3053}
3054
3055int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
3056{
3057        return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
3058}
3059
3060int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
3061{
3062        struct sk_buff *skb;
3063        struct wmi_set_tx_pwr_cmd *cmd;
3064        int ret;
3065
3066        skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
3067        if (!skb)
3068                return -ENOMEM;
3069
3070        cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
3071        cmd->dbM = dbM;
3072
3073        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
3074                                  NO_SYNC_WMIFLAG);
3075
3076        return ret;
3077}
3078
3079int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
3080{
3081        return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
3082}
3083
3084int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
3085{
3086        return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
3087}
3088
3089int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
3090                                 u8 preamble_policy)
3091{
3092        struct sk_buff *skb;
3093        struct wmi_set_lpreamble_cmd *cmd;
3094        int ret;
3095
3096        skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
3097        if (!skb)
3098                return -ENOMEM;
3099
3100        cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
3101        cmd->status = status;
3102        cmd->preamble_policy = preamble_policy;
3103
3104        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
3105                                  NO_SYNC_WMIFLAG);
3106        return ret;
3107}
3108
3109int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
3110{
3111        struct sk_buff *skb;
3112        struct wmi_set_rts_cmd *cmd;
3113        int ret;
3114
3115        skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
3116        if (!skb)
3117                return -ENOMEM;
3118
3119        cmd = (struct wmi_set_rts_cmd *) skb->data;
3120        cmd->threshold = cpu_to_le16(threshold);
3121
3122        ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
3123                                  NO_SYNC_WMIFLAG);
3124        return ret;
3125}
3126
3127int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
3128{
3129        struct sk_buff *skb;
3130        struct wmi_set_wmm_txop_cmd *cmd;
3131        int ret;
3132
3133        if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
3134                return -EINVAL;
3135
3136        skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
3137        if (!skb)
3138                return -ENOMEM;
3139
3140        cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
3141        cmd->txop_enable = cfg;
3142
3143        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
3144                                  NO_SYNC_WMIFLAG);
3145        return ret;
3146}
3147
3148int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3149                                 u8 keep_alive_intvl)
3150{
3151        struct sk_buff *skb;
3152        struct wmi_set_keepalive_cmd *cmd;
3153        int ret;
3154
3155        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3156        if (!skb)
3157                return -ENOMEM;
3158
3159        cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3160        cmd->keep_alive_intvl = keep_alive_intvl;
3161
3162        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
3163                                  NO_SYNC_WMIFLAG);
3164
3165        if (ret == 0)
3166                ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
3167
3168        return ret;
3169}
3170
3171int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3172                             enum ieee80211_band band,
3173                             struct ath6kl_htcap *htcap)
3174{
3175        struct sk_buff *skb;
3176        struct wmi_set_htcap_cmd *cmd;
3177
3178        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3179        if (!skb)
3180                return -ENOMEM;
3181
3182        cmd = (struct wmi_set_htcap_cmd *) skb->data;
3183
3184        /*
3185         * NOTE: Band in firmware matches enum ieee80211_band, it is unlikely
3186         * this will be changed in firmware. If at all there is any change in
3187         * band value, the host needs to be fixed.
3188         */
3189        cmd->band = band;
3190        cmd->ht_enable = !!htcap->ht_enable;
3191        cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3192        cmd->ht40_supported =
3193                !!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3194        cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3195        cmd->intolerant_40mhz =
3196                !!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3197        cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3198
3199        ath6kl_dbg(ATH6KL_DBG_WMI,
3200                   "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3201                   cmd->band, cmd->ht_enable, cmd->ht40_supported,
3202                   cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3203                   cmd->max_ampdu_len_exp);
3204        return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
3205                                   NO_SYNC_WMIFLAG);
3206}
3207
3208int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3209{
3210        struct sk_buff *skb;
3211        int ret;
3212
3213        skb = ath6kl_wmi_get_new_buf(len);
3214        if (!skb)
3215                return -ENOMEM;
3216
3217        memcpy(skb->data, buf, len);
3218
3219        ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
3220
3221        return ret;
3222}
3223
3224int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3225{
3226        struct sk_buff *skb;
3227        struct wmi_mcast_filter_cmd *cmd;
3228        int ret;
3229
3230        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3231        if (!skb)
3232                return -ENOMEM;
3233
3234        cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3235        cmd->mcast_all_enable = mc_all_on;
3236
3237        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
3238                                  NO_SYNC_WMIFLAG);
3239        return ret;
3240}
3241
3242int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3243                                        u8 *filter, bool add_filter)
3244{
3245        struct sk_buff *skb;
3246        struct wmi_mcast_filter_add_del_cmd *cmd;
3247        int ret;
3248
3249        if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3250            (filter[0] != 0x01 || filter[1] != 0x00 ||
3251            filter[2] != 0x5e || filter[3] > 0x7f)) {
3252                ath6kl_warn("invalid multicast filter address\n");
3253                return -EINVAL;
3254        }
3255
3256        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3257        if (!skb)
3258                return -ENOMEM;
3259
3260        cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3261        memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3262        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3263                                  add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3264                                  WMI_DEL_MCAST_FILTER_CMDID,
3265                                  NO_SYNC_WMIFLAG);
3266
3267        return ret;
3268}
3269
3270int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3271{
3272        struct sk_buff *skb;
3273        struct wmi_sta_bmiss_enhance_cmd *cmd;
3274        int ret;
3275
3276        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3277        if (!skb)
3278                return -ENOMEM;
3279
3280        cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data;
3281        cmd->enable = enhance ? 1 : 0;
3282
3283        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3284                                  WMI_STA_BMISS_ENHANCE_CMDID,
3285                                  NO_SYNC_WMIFLAG);
3286        return ret;
3287}
3288
3289int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
3290{
3291        struct sk_buff *skb;
3292        struct wmi_set_regdomain_cmd *cmd;
3293
3294        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3295        if (!skb)
3296                return -ENOMEM;
3297
3298        cmd = (struct wmi_set_regdomain_cmd *) skb->data;
3299        memcpy(cmd->iso_name, alpha2, 2);
3300
3301        return ath6kl_wmi_cmd_send(wmi, 0, skb,
3302                                   WMI_SET_REGDOMAIN_CMDID,
3303                                   NO_SYNC_WMIFLAG);
3304}
3305
3306s32 ath6kl_wmi_get_rate(struct wmi *wmi, s8 rate_index)
3307{
3308        struct ath6kl *ar = wmi->parent_dev;
3309        u8 sgi = 0;
3310        s32 ret;
3311
3312        if (rate_index == RATE_AUTO)
3313                return 0;
3314
3315        /* SGI is stored as the MSB of the rate_index */
3316        if (rate_index & RATE_INDEX_MSB) {
3317                rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;
3318                sgi = 1;
3319        }
3320
3321        if (test_bit(ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,
3322                     ar->fw_capabilities)) {
3323                if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl_mcs15)))
3324                        return 0;
3325
3326                ret = wmi_rate_tbl_mcs15[(u32) rate_index][sgi];
3327        } else {
3328                if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl)))
3329                        return 0;
3330
3331                ret = wmi_rate_tbl[(u32) rate_index][sgi];
3332        }
3333
3334        return ret;
3335}
3336
3337static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3338                                              u32 len)
3339{
3340        struct wmi_pmkid_list_reply *reply;
3341        u32 expected_len;
3342
3343        if (len < sizeof(struct wmi_pmkid_list_reply))
3344                return -EINVAL;
3345
3346        reply = (struct wmi_pmkid_list_reply *)datap;
3347        expected_len = sizeof(reply->num_pmkid) +
3348                le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3349
3350        if (len < expected_len)
3351                return -EINVAL;
3352
3353        return 0;
3354}
3355
3356static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3357                                         struct ath6kl_vif *vif)
3358{
3359        struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3360
3361        aggr_recv_addba_req_evt(vif, cmd->tid,
3362                                le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
3363
3364        return 0;
3365}
3366
3367static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3368                                         struct ath6kl_vif *vif)
3369{
3370        struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3371
3372        aggr_recv_delba_req_evt(vif, cmd->tid);
3373
3374        return 0;
3375}
3376
3377/*  AP mode functions */
3378
3379int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3380                                 struct wmi_connect_cmd *p)
3381{
3382        struct sk_buff *skb;
3383        struct wmi_connect_cmd *cm;
3384        int res;
3385
3386        skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3387        if (!skb)
3388                return -ENOMEM;
3389
3390        cm = (struct wmi_connect_cmd *) skb->data;
3391        memcpy(cm, p, sizeof(*cm));
3392
3393        res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3394                                  NO_SYNC_WMIFLAG);
3395        ath6kl_dbg(ATH6KL_DBG_WMI,
3396                   "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3397                   __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3398                   le32_to_cpu(p->ctrl_flags), res);
3399        return res;
3400}
3401
3402int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3403                           u16 reason)
3404{
3405        struct sk_buff *skb;
3406        struct wmi_ap_set_mlme_cmd *cm;
3407
3408        skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3409        if (!skb)
3410                return -ENOMEM;
3411
3412        cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3413        memcpy(cm->mac, mac, ETH_ALEN);
3414        cm->reason = cpu_to_le16(reason);
3415        cm->cmd = cmd;
3416
3417        ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3418                   cm->reason);
3419
3420        return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3421                                   NO_SYNC_WMIFLAG);
3422}
3423
3424int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3425{
3426        struct sk_buff *skb;
3427        struct wmi_ap_hidden_ssid_cmd *cmd;
3428
3429        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3430        if (!skb)
3431                return -ENOMEM;
3432
3433        cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3434        cmd->hidden_ssid = enable ? 1 : 0;
3435
3436        return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3437                                   NO_SYNC_WMIFLAG);
3438}
3439
3440/* This command will be used to enable/disable AP uAPSD feature */
3441int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3442{
3443        struct wmi_ap_set_apsd_cmd *cmd;
3444        struct sk_buff *skb;
3445
3446        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3447        if (!skb)
3448                return -ENOMEM;
3449
3450        cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3451        cmd->enable = enable;
3452
3453        return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3454                                   NO_SYNC_WMIFLAG);
3455}
3456
3457int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3458                                             u16 aid, u16 bitmap, u32 flags)
3459{
3460        struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3461        struct sk_buff *skb;
3462
3463        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3464        if (!skb)
3465                return -ENOMEM;
3466
3467        cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3468        cmd->aid = cpu_to_le16(aid);
3469        cmd->bitmap = cpu_to_le16(bitmap);
3470        cmd->flags = cpu_to_le32(flags);
3471
3472        return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3473                                   WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3474                                   NO_SYNC_WMIFLAG);
3475}
3476
3477static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3478                                      struct ath6kl_vif *vif)
3479{
3480        struct wmi_pspoll_event *ev;
3481
3482        if (len < sizeof(struct wmi_pspoll_event))
3483                return -EINVAL;
3484
3485        ev = (struct wmi_pspoll_event *) datap;
3486
3487        ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3488
3489        return 0;
3490}
3491
3492static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3493                                          struct ath6kl_vif *vif)
3494{
3495        ath6kl_dtimexpiry_event(vif);
3496
3497        return 0;
3498}
3499
3500int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3501                           bool flag)
3502{
3503        struct sk_buff *skb;
3504        struct wmi_ap_set_pvb_cmd *cmd;
3505        int ret;
3506
3507        skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3508        if (!skb)
3509                return -ENOMEM;
3510
3511        cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3512        cmd->aid = cpu_to_le16(aid);
3513        cmd->rsvd = cpu_to_le16(0);
3514        cmd->flag = cpu_to_le32(flag);
3515
3516        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3517                                  NO_SYNC_WMIFLAG);
3518
3519        return 0;
3520}
3521
3522int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3523                                       u8 rx_meta_ver,
3524                                       bool rx_dot11_hdr, bool defrag_on_host)
3525{
3526        struct sk_buff *skb;
3527        struct wmi_rx_frame_format_cmd *cmd;
3528        int ret;
3529
3530        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3531        if (!skb)
3532                return -ENOMEM;
3533
3534        cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3535        cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3536        cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3537        cmd->meta_ver = rx_meta_ver;
3538
3539        /* Delete the local aggr state, on host */
3540        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3541                                  NO_SYNC_WMIFLAG);
3542
3543        return ret;
3544}
3545
3546int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3547                             const u8 *ie, u8 ie_len)
3548{
3549        struct sk_buff *skb;
3550        struct wmi_set_appie_cmd *p;
3551
3552        skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3553        if (!skb)
3554                return -ENOMEM;
3555
3556        ath6kl_dbg(ATH6KL_DBG_WMI,
3557                   "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3558                   mgmt_frm_type, ie_len);
3559        p = (struct wmi_set_appie_cmd *) skb->data;
3560        p->mgmt_frm_type = mgmt_frm_type;
3561        p->ie_len = ie_len;
3562
3563        if (ie != NULL && ie_len > 0)
3564                memcpy(p->ie_info, ie, ie_len);
3565
3566        return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3567                                   NO_SYNC_WMIFLAG);
3568}
3569
3570int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3571                          const u8 *ie_info, u8 ie_len)
3572{
3573        struct sk_buff *skb;
3574        struct wmi_set_ie_cmd *p;
3575
3576        skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3577        if (!skb)
3578                return -ENOMEM;
3579
3580        ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3581                   ie_id, ie_field, ie_len);
3582        p = (struct wmi_set_ie_cmd *) skb->data;
3583        p->ie_id = ie_id;
3584        p->ie_field = ie_field;
3585        p->ie_len = ie_len;
3586        if (ie_info && ie_len > 0)
3587                memcpy(p->ie_info, ie_info, ie_len);
3588
3589        return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,
3590                                   NO_SYNC_WMIFLAG);
3591}
3592
3593int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3594{
3595        struct sk_buff *skb;
3596        struct wmi_disable_11b_rates_cmd *cmd;
3597
3598        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3599        if (!skb)
3600                return -ENOMEM;
3601
3602        ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3603                   disable);
3604        cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3605        cmd->disable = disable ? 1 : 0;
3606
3607        return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3608                                   NO_SYNC_WMIFLAG);
3609}
3610
3611int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3612{
3613        struct sk_buff *skb;
3614        struct wmi_remain_on_chnl_cmd *p;
3615
3616        skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3617        if (!skb)
3618                return -ENOMEM;
3619
3620        ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3621                   freq, dur);
3622        p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3623        p->freq = cpu_to_le32(freq);
3624        p->duration = cpu_to_le32(dur);
3625        return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3626                                   NO_SYNC_WMIFLAG);
3627}
3628
3629/* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3630 * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3631 * mgmt operations using station interface.
3632 */
3633static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3634                                      u32 freq, u32 wait, const u8 *data,
3635                                      u16 data_len)
3636{
3637        struct sk_buff *skb;
3638        struct wmi_send_action_cmd *p;
3639        u8 *buf;
3640
3641        if (wait)
3642                return -EINVAL; /* Offload for wait not supported */
3643
3644        buf = kmalloc(data_len, GFP_KERNEL);
3645        if (!buf)
3646                return -ENOMEM;
3647
3648        skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3649        if (!skb) {
3650                kfree(buf);
3651                return -ENOMEM;
3652        }
3653
3654        kfree(wmi->last_mgmt_tx_frame);
3655        memcpy(buf, data, data_len);
3656        wmi->last_mgmt_tx_frame = buf;
3657        wmi->last_mgmt_tx_frame_len = data_len;
3658
3659        ath6kl_dbg(ATH6KL_DBG_WMI,
3660                   "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3661                   id, freq, wait, data_len);
3662        p = (struct wmi_send_action_cmd *) skb->data;
3663        p->id = cpu_to_le32(id);
3664        p->freq = cpu_to_le32(freq);
3665        p->wait = cpu_to_le32(wait);
3666        p->len = cpu_to_le16(data_len);
3667        memcpy(p->data, data, data_len);
3668        return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3669                                   NO_SYNC_WMIFLAG);
3670}
3671
3672static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3673                                      u32 freq, u32 wait, const u8 *data,
3674                                      u16 data_len, u32 no_cck)
3675{
3676        struct sk_buff *skb;
3677        struct wmi_send_mgmt_cmd *p;
3678        u8 *buf;
3679
3680        if (wait)
3681                return -EINVAL; /* Offload for wait not supported */
3682
3683        buf = kmalloc(data_len, GFP_KERNEL);
3684        if (!buf)
3685                return -ENOMEM;
3686
3687        skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3688        if (!skb) {
3689                kfree(buf);
3690                return -ENOMEM;
3691        }
3692
3693        kfree(wmi->last_mgmt_tx_frame);
3694        memcpy(buf, data, data_len);
3695        wmi->last_mgmt_tx_frame = buf;
3696        wmi->last_mgmt_tx_frame_len = data_len;
3697
3698        ath6kl_dbg(ATH6KL_DBG_WMI,
3699                   "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3700                   id, freq, wait, data_len);
3701        p = (struct wmi_send_mgmt_cmd *) skb->data;
3702        p->id = cpu_to_le32(id);
3703        p->freq = cpu_to_le32(freq);
3704        p->wait = cpu_to_le32(wait);
3705        p->no_cck = cpu_to_le32(no_cck);
3706        p->len = cpu_to_le16(data_len);
3707        memcpy(p->data, data, data_len);
3708        return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3709                                   NO_SYNC_WMIFLAG);
3710}
3711
3712int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3713                                u32 wait, const u8 *data, u16 data_len,
3714                                u32 no_cck)
3715{
3716        int status;
3717        struct ath6kl *ar = wmi->parent_dev;
3718
3719        if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3720                     ar->fw_capabilities)) {
3721                /*
3722                 * If capable of doing P2P mgmt operations using
3723                 * station interface, send additional information like
3724                 * supported rates to advertise and xmit rates for
3725                 * probe requests
3726                 */
3727                status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3728                                                    wait, data, data_len,
3729                                                    no_cck);
3730        } else {
3731                status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3732                                                    wait, data, data_len);
3733        }
3734
3735        return status;
3736}
3737
3738int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3739                                       const u8 *dst, const u8 *data,
3740                                       u16 data_len)
3741{
3742        struct sk_buff *skb;
3743        struct wmi_p2p_probe_response_cmd *p;
3744        size_t cmd_len = sizeof(*p) + data_len;
3745
3746        if (data_len == 0)
3747                cmd_len++; /* work around target minimum length requirement */
3748
3749        skb = ath6kl_wmi_get_new_buf(cmd_len);
3750        if (!skb)
3751                return -ENOMEM;
3752
3753        ath6kl_dbg(ATH6KL_DBG_WMI,
3754                   "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3755                   freq, dst, data_len);
3756        p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3757        p->freq = cpu_to_le32(freq);
3758        memcpy(p->destination_addr, dst, ETH_ALEN);
3759        p->len = cpu_to_le16(data_len);
3760        memcpy(p->data, data, data_len);
3761        return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3762                                   WMI_SEND_PROBE_RESPONSE_CMDID,
3763                                   NO_SYNC_WMIFLAG);
3764}
3765
3766int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3767{
3768        struct sk_buff *skb;
3769        struct wmi_probe_req_report_cmd *p;
3770
3771        skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3772        if (!skb)
3773                return -ENOMEM;
3774
3775        ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3776                   enable);
3777        p = (struct wmi_probe_req_report_cmd *) skb->data;
3778        p->enable = enable ? 1 : 0;
3779        return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3780                                   NO_SYNC_WMIFLAG);
3781}
3782
3783int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3784{
3785        struct sk_buff *skb;
3786        struct wmi_get_p2p_info *p;
3787
3788        skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3789        if (!skb)
3790                return -ENOMEM;
3791
3792        ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3793                   info_req_flags);
3794        p = (struct wmi_get_p2p_info *) skb->data;
3795        p->info_req_flags = cpu_to_le32(info_req_flags);
3796        return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3797                                   NO_SYNC_WMIFLAG);
3798}
3799
3800int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3801{
3802        ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3803        return ath6kl_wmi_simple_cmd(wmi, if_idx,
3804                                     WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3805}
3806
3807int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3808{
3809        struct sk_buff *skb;
3810        struct wmi_set_inact_period_cmd *cmd;
3811
3812        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3813        if (!skb)
3814                return -ENOMEM;
3815
3816        cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3817        cmd->inact_period = cpu_to_le32(inact_timeout);
3818        cmd->num_null_func = 0;
3819
3820        return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,
3821                                   NO_SYNC_WMIFLAG);
3822}
3823
3824static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,
3825                                               int len)
3826{
3827        struct wmix_hb_challenge_resp_cmd *cmd;
3828
3829        if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
3830                return;
3831
3832        cmd = (struct wmix_hb_challenge_resp_cmd *) datap;
3833        ath6kl_recovery_hb_event(wmi->parent_dev,
3834                                 le32_to_cpu(cmd->cookie));
3835}
3836
3837static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3838{
3839        struct wmix_cmd_hdr *cmd;
3840        u32 len;
3841        u16 id;
3842        u8 *datap;
3843        int ret = 0;
3844
3845        if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3846                ath6kl_err("bad packet 1\n");
3847                return -EINVAL;
3848        }
3849
3850        cmd = (struct wmix_cmd_hdr *) skb->data;
3851        id = le32_to_cpu(cmd->cmd_id);
3852
3853        skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3854
3855        datap = skb->data;
3856        len = skb->len;
3857
3858        switch (id) {
3859        case WMIX_HB_CHALLENGE_RESP_EVENTID:
3860                ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3861                ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);
3862                break;
3863        case WMIX_DBGLOG_EVENTID:
3864                ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3865                ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3866                break;
3867        default:
3868                ath6kl_warn("unknown cmd id 0x%x\n", id);
3869                ret = -EINVAL;
3870                break;
3871        }
3872
3873        return ret;
3874}
3875
3876static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3877{
3878        return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3879}
3880
3881/* Process interface specific wmi events, caller would free the datap */
3882static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3883                                        u8 *datap, u32 len)
3884{
3885        struct ath6kl_vif *vif;
3886
3887        vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3888        if (!vif) {
3889                ath6kl_dbg(ATH6KL_DBG_WMI,
3890                           "Wmi event for unavailable vif, vif_index:%d\n",
3891                            if_idx);
3892                return -EINVAL;
3893        }
3894
3895        switch (cmd_id) {
3896        case WMI_CONNECT_EVENTID:
3897                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3898                return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3899        case WMI_DISCONNECT_EVENTID:
3900                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3901                return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3902        case WMI_TKIP_MICERR_EVENTID:
3903                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3904                return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3905        case WMI_BSSINFO_EVENTID:
3906                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3907                return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3908        case WMI_NEIGHBOR_REPORT_EVENTID:
3909                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3910                return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3911                                                           vif);
3912        case WMI_SCAN_COMPLETE_EVENTID:
3913                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3914                return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3915        case WMI_REPORT_STATISTICS_EVENTID:
3916                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3917                return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3918        case WMI_CAC_EVENTID:
3919                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3920                return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3921        case WMI_PSPOLL_EVENTID:
3922                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3923                return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3924        case WMI_DTIMEXPIRY_EVENTID:
3925                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3926                return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3927        case WMI_ADDBA_REQ_EVENTID:
3928                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3929                return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3930        case WMI_DELBA_REQ_EVENTID:
3931                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3932                return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3933        case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3934                ath6kl_dbg(ATH6KL_DBG_WMI,
3935                           "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3936                return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3937        case WMI_REMAIN_ON_CHNL_EVENTID:
3938                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3939                return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3940        case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3941                ath6kl_dbg(ATH6KL_DBG_WMI,
3942                           "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3943                return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3944                                                                 len, vif);
3945        case WMI_TX_STATUS_EVENTID:
3946                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3947                return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3948        case WMI_RX_PROBE_REQ_EVENTID:
3949                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3950                return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3951        case WMI_RX_ACTION_EVENTID:
3952                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3953                return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3954        case WMI_TXE_NOTIFY_EVENTID:
3955                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");
3956                return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
3957        default:
3958                ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3959                return -EINVAL;
3960        }
3961
3962        return 0;
3963}
3964
3965static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3966{
3967        struct wmi_cmd_hdr *cmd;
3968        int ret = 0;
3969        u32 len;
3970        u16 id;
3971        u8 if_idx;
3972        u8 *datap;
3973
3974        cmd = (struct wmi_cmd_hdr *) skb->data;
3975        id = le16_to_cpu(cmd->cmd_id);
3976        if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3977
3978        skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3979        datap = skb->data;
3980        len = skb->len;
3981
3982        ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3983        ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3984                        datap, len);
3985
3986        switch (id) {
3987        case WMI_GET_BITRATE_CMDID:
3988                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3989                ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3990                break;
3991        case WMI_GET_CHANNEL_LIST_CMDID:
3992                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3993                ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3994                break;
3995        case WMI_GET_TX_PWR_CMDID:
3996                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3997                ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3998                break;
3999        case WMI_READY_EVENTID:
4000                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
4001                ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
4002                break;
4003        case WMI_PEER_NODE_EVENTID:
4004                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
4005                ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
4006                break;
4007        case WMI_REGDOMAIN_EVENTID:
4008                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
4009                ath6kl_wmi_regdomain_event(wmi, datap, len);
4010                break;
4011        case WMI_PSTREAM_TIMEOUT_EVENTID:
4012                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
4013                ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
4014                break;
4015        case WMI_CMDERROR_EVENTID:
4016                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
4017                ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
4018                break;
4019        case WMI_RSSI_THRESHOLD_EVENTID:
4020                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
4021                ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
4022                break;
4023        case WMI_ERROR_REPORT_EVENTID:
4024                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
4025                break;
4026        case WMI_OPT_RX_FRAME_EVENTID:
4027                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
4028                /* this event has been deprecated */
4029                break;
4030        case WMI_REPORT_ROAM_TBL_EVENTID:
4031                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
4032                ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
4033                break;
4034        case WMI_EXTENSION_EVENTID:
4035                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
4036                ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
4037                break;
4038        case WMI_CHANNEL_CHANGE_EVENTID:
4039                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
4040                break;
4041        case WMI_REPORT_ROAM_DATA_EVENTID:
4042                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
4043                break;
4044        case WMI_TEST_EVENTID:
4045                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
4046                ret = ath6kl_wmi_test_rx(wmi, datap, len);
4047                break;
4048        case WMI_GET_FIXRATES_CMDID:
4049                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
4050                ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
4051                break;
4052        case WMI_TX_RETRY_ERR_EVENTID:
4053                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
4054                break;
4055        case WMI_SNR_THRESHOLD_EVENTID:
4056                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
4057                ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
4058                break;
4059        case WMI_LQ_THRESHOLD_EVENTID:
4060                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
4061                break;
4062        case WMI_APLIST_EVENTID:
4063                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
4064                ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
4065                break;
4066        case WMI_GET_KEEPALIVE_CMDID:
4067                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
4068                ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
4069                break;
4070        case WMI_GET_WOW_LIST_EVENTID:
4071                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
4072                break;
4073        case WMI_GET_PMKID_LIST_EVENTID:
4074                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
4075                ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
4076                break;
4077        case WMI_SET_PARAMS_REPLY_EVENTID:
4078                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
4079                break;
4080        case WMI_ADDBA_RESP_EVENTID:
4081                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
4082                break;
4083        case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
4084                ath6kl_dbg(ATH6KL_DBG_WMI,
4085                           "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
4086                break;
4087        case WMI_REPORT_BTCOEX_STATS_EVENTID:
4088                ath6kl_dbg(ATH6KL_DBG_WMI,
4089                           "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
4090                break;
4091        case WMI_TX_COMPLETE_EVENTID:
4092                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
4093                ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
4094                break;
4095        case WMI_P2P_CAPABILITIES_EVENTID:
4096                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
4097                ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
4098                break;
4099        case WMI_P2P_INFO_EVENTID:
4100                ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
4101                ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
4102                break;
4103        default:
4104                /* may be the event is interface specific */
4105                ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
4106                break;
4107        }
4108
4109        dev_kfree_skb(skb);
4110        return ret;
4111}
4112
4113/* Control Path */
4114int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
4115{
4116        if (WARN_ON(skb == NULL))
4117                return -EINVAL;
4118
4119        if (skb->len < sizeof(struct wmi_cmd_hdr)) {
4120                ath6kl_err("bad packet 1\n");
4121                dev_kfree_skb(skb);
4122                return -EINVAL;
4123        }
4124
4125        trace_ath6kl_wmi_event(skb->data, skb->len);
4126
4127        return ath6kl_wmi_proc_events(wmi, skb);
4128}
4129
4130void ath6kl_wmi_reset(struct wmi *wmi)
4131{
4132        spin_lock_bh(&wmi->lock);
4133
4134        wmi->fat_pipe_exist = 0;
4135        memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
4136
4137        spin_unlock_bh(&wmi->lock);
4138}
4139
4140void *ath6kl_wmi_init(struct ath6kl *dev)
4141{
4142        struct wmi *wmi;
4143
4144        wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
4145        if (!wmi)
4146                return NULL;
4147
4148        spin_lock_init(&wmi->lock);
4149
4150        wmi->parent_dev = dev;
4151
4152        wmi->pwr_mode = REC_POWER;
4153
4154        ath6kl_wmi_reset(wmi);
4155
4156        return wmi;
4157}
4158
4159void ath6kl_wmi_shutdown(struct wmi *wmi)
4160{
4161        if (!wmi)
4162                return;
4163
4164        kfree(wmi->last_mgmt_tx_frame);
4165        kfree(wmi);
4166}
4167