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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
  62/* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
  63static const u8 up_to_ac[] = {
  64	WMM_AC_BE,
  65	WMM_AC_BK,
  66	WMM_AC_BK,
  67	WMM_AC_BE,
  68	WMM_AC_VI,
  69	WMM_AC_VI,
  70	WMM_AC_VO,
  71	WMM_AC_VO,
  72};
  73
  74void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
  75{
  76	if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
  77		return;
  78
  79	wmi->ep_id = ep_id;
  80}
  81
  82enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
  83{
  84	return wmi->ep_id;
  85}
  86
  87struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
  88{
  89	struct ath6kl_vif *vif, *found = NULL;
  90
  91	if (WARN_ON(if_idx > (ar->vif_max - 1)))
  92		return NULL;
  93
  94	/* FIXME: Locking */
  95	spin_lock_bh(&ar->list_lock);
  96	list_for_each_entry(vif, &ar->vif_list, list) {
  97		if (vif->fw_vif_idx == if_idx) {
  98			found = vif;
  99			break;
 100		}
 101	}
 102	spin_unlock_bh(&ar->list_lock);
 103
 104	return found;
 105}
 106
 107/*  Performs DIX to 802.3 encapsulation for transmit packets.
 108 *  Assumes the entire DIX header is contigous and that there is
 109 *  enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
 110 */
 111int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
 112{
 113	struct ath6kl_llc_snap_hdr *llc_hdr;
 114	struct ethhdr *eth_hdr;
 115	size_t new_len;
 116	__be16 type;
 117	u8 *datap;
 118	u16 size;
 119
 120	if (WARN_ON(skb == NULL))
 121		return -EINVAL;
 122
 123	size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
 124	if (skb_headroom(skb) < size)
 125		return -ENOMEM;
 126
 127	eth_hdr = (struct ethhdr *) skb->data;
 128	type = eth_hdr->h_proto;
 129
 130	if (!is_ethertype(be16_to_cpu(type))) {
 131		ath6kl_dbg(ATH6KL_DBG_WMI,
 132			   "%s: pkt is already in 802.3 format\n", __func__);
 133		return 0;
 134	}
 135
 136	new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
 137
 138	skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
 139	datap = skb->data;
 140
 141	eth_hdr->h_proto = cpu_to_be16(new_len);
 142
 143	memcpy(datap, eth_hdr, sizeof(*eth_hdr));
 144
 145	llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
 146	llc_hdr->dsap = 0xAA;
 147	llc_hdr->ssap = 0xAA;
 148	llc_hdr->cntl = 0x03;
 149	llc_hdr->org_code[0] = 0x0;
 150	llc_hdr->org_code[1] = 0x0;
 151	llc_hdr->org_code[2] = 0x0;
 152	llc_hdr->eth_type = type;
 153
 154	return 0;
 155}
 156
 157static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
 158			       u8 *version, void *tx_meta_info)
 159{
 160	struct wmi_tx_meta_v1 *v1;
 161	struct wmi_tx_meta_v2 *v2;
 162
 163	if (WARN_ON(skb == NULL || version == NULL))
 164		return -EINVAL;
 165
 166	switch (*version) {
 167	case WMI_META_VERSION_1:
 168		skb_push(skb, WMI_MAX_TX_META_SZ);
 169		v1 = (struct wmi_tx_meta_v1 *) skb->data;
 170		v1->pkt_id = 0;
 171		v1->rate_plcy_id = 0;
 172		*version = WMI_META_VERSION_1;
 173		break;
 174	case WMI_META_VERSION_2:
 175		skb_push(skb, WMI_MAX_TX_META_SZ);
 176		v2 = (struct wmi_tx_meta_v2 *) skb->data;
 177		memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
 178		       sizeof(struct wmi_tx_meta_v2));
 179		break;
 180	}
 181
 182	return 0;
 183}
 184
 185int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
 186			    u8 msg_type, u32 flags,
 187			    enum wmi_data_hdr_data_type data_type,
 188			    u8 meta_ver, void *tx_meta_info, u8 if_idx)
 189{
 190	struct wmi_data_hdr *data_hdr;
 191	int ret;
 192
 193	if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))
 194		return -EINVAL;
 195
 196	if (tx_meta_info) {
 197		ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
 198		if (ret)
 199			return ret;
 200	}
 201
 202	skb_push(skb, sizeof(struct wmi_data_hdr));
 203
 204	data_hdr = (struct wmi_data_hdr *)skb->data;
 205	memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
 206
 207	data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
 208	data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
 209
 210	if (flags & WMI_DATA_HDR_FLAGS_MORE)
 211		data_hdr->info |= WMI_DATA_HDR_MORE;
 212
 213	if (flags & WMI_DATA_HDR_FLAGS_EOSP)
 214		data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);
 215
 216	data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
 217	data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
 218
 219	return 0;
 220}
 221
 222u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
 223{
 224	struct iphdr *ip_hdr = (struct iphdr *) pkt;
 225	u8 ip_pri;
 226
 227	/*
 228	 * Determine IPTOS priority
 229	 *
 230	 * IP-TOS - 8bits
 231	 *          : DSCP(6-bits) ECN(2-bits)
 232	 *          : DSCP - P2 P1 P0 X X X
 233	 * where (P2 P1 P0) form 802.1D
 234	 */
 235	ip_pri = ip_hdr->tos >> 5;
 236	ip_pri &= 0x7;
 237
 238	if ((layer2_pri & 0x7) > ip_pri)
 239		return (u8) layer2_pri & 0x7;
 240	else
 241		return ip_pri;
 242}
 243
 244u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
 245{
 246	return  up_to_ac[user_priority & 0x7];
 247}
 248
 249int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
 250				       struct sk_buff *skb,
 251				       u32 layer2_priority, bool wmm_enabled,
 252				       u8 *ac)
 253{
 254	struct wmi_data_hdr *data_hdr;
 255	struct ath6kl_llc_snap_hdr *llc_hdr;
 256	struct wmi_create_pstream_cmd cmd;
 257	u32 meta_size, hdr_size;
 258	u16 ip_type = IP_ETHERTYPE;
 259	u8 stream_exist, usr_pri;
 260	u8 traffic_class = WMM_AC_BE;
 261	u8 *datap;
 262
 263	if (WARN_ON(skb == NULL))
 264		return -EINVAL;
 265
 266	datap = skb->data;
 267	data_hdr = (struct wmi_data_hdr *) datap;
 268
 269	meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
 270		     WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
 271
 272	if (!wmm_enabled) {
 273		/* If WMM is disabled all traffic goes as BE traffic */
 274		usr_pri = 0;
 275	} else {
 276		hdr_size = sizeof(struct ethhdr);
 277
 278		llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
 279							 sizeof(struct
 280								wmi_data_hdr) +
 281							 meta_size + hdr_size);
 282
 283		if (llc_hdr->eth_type == htons(ip_type)) {
 284			/*
 285			 * Extract the endpoint info from the TOS field
 286			 * in the IP header.
 287			 */
 288			usr_pri =
 289			   ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
 290					sizeof(struct ath6kl_llc_snap_hdr),
 291					layer2_priority);
 292		} else
 293			usr_pri = layer2_priority & 0x7;
 294
 295		/*
 296		 * Queue the EAPOL frames in the same WMM_AC_VO queue
 297		 * as that of management frames.
 298		 */
 299		if (skb->protocol == cpu_to_be16(ETH_P_PAE))
 300			usr_pri = WMI_VOICE_USER_PRIORITY;
 301	}
 302
 303	/*
 304	 * workaround for WMM S5
 305	 *
 306	 * FIXME: wmi->traffic_class is always 100 so this test doesn't
 307	 * make sense
 308	 */
 309	if ((wmi->traffic_class == WMM_AC_VI) &&
 310	    ((usr_pri == 5) || (usr_pri == 4)))
 311		usr_pri = 1;
 312
 313	/* Convert user priority to traffic class */
 314	traffic_class = up_to_ac[usr_pri & 0x7];
 315
 316	wmi_data_hdr_set_up(data_hdr, usr_pri);
 317
 318	spin_lock_bh(&wmi->lock);
 319	stream_exist = wmi->fat_pipe_exist;
 320	spin_unlock_bh(&wmi->lock);
 321
 322	if (!(stream_exist & (1 << traffic_class))) {
 323		memset(&cmd, 0, sizeof(cmd));
 324		cmd.traffic_class = traffic_class;
 325		cmd.user_pri = usr_pri;
 326		cmd.inactivity_int =
 327			cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
 328		/* Implicit streams are created with TSID 0xFF */
 329		cmd.tsid = WMI_IMPLICIT_PSTREAM;
 330		ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
 331	}
 332
 333	*ac = traffic_class;
 334
 335	return 0;
 336}
 337
 338int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
 339{
 340	struct ieee80211_hdr_3addr *pwh, wh;
 341	struct ath6kl_llc_snap_hdr *llc_hdr;
 342	struct ethhdr eth_hdr;
 343	u32 hdr_size;
 344	u8 *datap;
 345	__le16 sub_type;
 346
 347	if (WARN_ON(skb == NULL))
 348		return -EINVAL;
 349
 350	datap = skb->data;
 351	pwh = (struct ieee80211_hdr_3addr *) datap;
 352
 353	sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
 354
 355	memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
 356
 357	/* Strip off the 802.11 header */
 358	if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
 359		hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
 360				   sizeof(u32));
 361		skb_pull(skb, hdr_size);
 362	} else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA))
 363		skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
 364
 365	datap = skb->data;
 366	llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
 367
 368	memset(&eth_hdr, 0, sizeof(eth_hdr));
 369	eth_hdr.h_proto = llc_hdr->eth_type;
 370
 371	switch ((le16_to_cpu(wh.frame_control)) &
 372		(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
 373	case 0:
 374		memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 375		memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 376		break;
 377	case IEEE80211_FCTL_TODS:
 378		memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
 379		memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 380		break;
 381	case IEEE80211_FCTL_FROMDS:
 382		memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 383		memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
 384		break;
 385	case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
 386		break;
 387	}
 388
 389	skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 390	skb_push(skb, sizeof(eth_hdr));
 391
 392	datap = skb->data;
 393
 394	memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 395
 396	return 0;
 397}
 398
 399/*
 400 * Performs 802.3 to DIX encapsulation for received packets.
 401 * Assumes the entire 802.3 header is contigous.
 402 */
 403int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
 404{
 405	struct ath6kl_llc_snap_hdr *llc_hdr;
 406	struct ethhdr eth_hdr;
 407	u8 *datap;
 408
 409	if (WARN_ON(skb == NULL))
 410		return -EINVAL;
 411
 412	datap = skb->data;
 413
 414	memcpy(&eth_hdr, datap, sizeof(eth_hdr));
 415
 416	llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
 417	eth_hdr.h_proto = llc_hdr->eth_type;
 418
 419	skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 420	datap = skb->data;
 421
 422	memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 423
 424	return 0;
 425}
 426
 427static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
 428{
 429	struct tx_complete_msg_v1 *msg_v1;
 430	struct wmi_tx_complete_event *evt;
 431	int index;
 432	u16 size;
 433
 434	evt = (struct wmi_tx_complete_event *) datap;
 435
 436	ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
 437		   evt->num_msg, evt->msg_len, evt->msg_type);
 438
 439	for (index = 0; index < evt->num_msg; index++) {
 440		size = sizeof(struct wmi_tx_complete_event) +
 441		    (index * sizeof(struct tx_complete_msg_v1));
 442		msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
 443
 444		ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
 445			   msg_v1->status, msg_v1->pkt_id,
 446			   msg_v1->rate_idx, msg_v1->ack_failures);
 447	}
 448
 449	return 0;
 450}
 451
 452static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
 453					      int len, struct ath6kl_vif *vif)
 454{
 455	struct wmi_remain_on_chnl_event *ev;
 456	u32 freq;
 457	u32 dur;
 458	struct ieee80211_channel *chan;
 459	struct ath6kl *ar = wmi->parent_dev;
 460	u32 id;
 461
 462	if (len < sizeof(*ev))
 463		return -EINVAL;
 464
 465	ev = (struct wmi_remain_on_chnl_event *) datap;
 466	freq = le32_to_cpu(ev->freq);
 467	dur = le32_to_cpu(ev->duration);
 468	ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
 469		   freq, dur);
 470	chan = ieee80211_get_channel(ar->wiphy, freq);
 471	if (!chan) {
 472		ath6kl_dbg(ATH6KL_DBG_WMI,
 473			   "remain_on_chnl: Unknown channel (freq=%u)\n",
 474			   freq);
 475		return -EINVAL;
 476	}
 477	id = vif->last_roc_id;
 478	cfg80211_ready_on_channel(&vif->wdev, id, chan,
 479				  dur, GFP_ATOMIC);
 480
 481	return 0;
 482}
 483
 484static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
 485						     u8 *datap, int len,
 486						     struct ath6kl_vif *vif)
 487{
 488	struct wmi_cancel_remain_on_chnl_event *ev;
 489	u32 freq;
 490	u32 dur;
 491	struct ieee80211_channel *chan;
 492	struct ath6kl *ar = wmi->parent_dev;
 493	u32 id;
 494
 495	if (len < sizeof(*ev))
 496		return -EINVAL;
 497
 498	ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
 499	freq = le32_to_cpu(ev->freq);
 500	dur = le32_to_cpu(ev->duration);
 501	ath6kl_dbg(ATH6KL_DBG_WMI,
 502		   "cancel_remain_on_chnl: freq=%u dur=%u status=%u\n",
 503		   freq, dur, ev->status);
 504	chan = ieee80211_get_channel(ar->wiphy, freq);
 505	if (!chan) {
 506		ath6kl_dbg(ATH6KL_DBG_WMI,
 507			   "cancel_remain_on_chnl: Unknown channel (freq=%u)\n",
 508			   freq);
 509		return -EINVAL;
 510	}
 511	if (vif->last_cancel_roc_id &&
 512	    vif->last_cancel_roc_id + 1 == vif->last_roc_id)
 513		id = vif->last_cancel_roc_id; /* event for cancel command */
 514	else
 515		id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
 516	vif->last_cancel_roc_id = 0;
 517	cfg80211_remain_on_channel_expired(&vif->wdev, id, chan, GFP_ATOMIC);
 518
 519	return 0;
 520}
 521
 522static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
 523					 struct ath6kl_vif *vif)
 524{
 525	struct wmi_tx_status_event *ev;
 526	u32 id;
 527
 528	if (len < sizeof(*ev))
 529		return -EINVAL;
 530
 531	ev = (struct wmi_tx_status_event *) datap;
 532	id = le32_to_cpu(ev->id);
 533	ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
 534		   id, ev->ack_status);
 535	if (wmi->last_mgmt_tx_frame) {
 536		cfg80211_mgmt_tx_status(&vif->wdev, id,
 537					wmi->last_mgmt_tx_frame,
 538					wmi->last_mgmt_tx_frame_len,
 539					!!ev->ack_status, GFP_ATOMIC);
 540		kfree(wmi->last_mgmt_tx_frame);
 541		wmi->last_mgmt_tx_frame = NULL;
 542		wmi->last_mgmt_tx_frame_len = 0;
 543	}
 544
 545	return 0;
 546}
 547
 548static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
 549					    struct ath6kl_vif *vif)
 550{
 551	struct wmi_p2p_rx_probe_req_event *ev;
 552	u32 freq;
 553	u16 dlen;
 554
 555	if (len < sizeof(*ev))
 556		return -EINVAL;
 557
 558	ev = (struct wmi_p2p_rx_probe_req_event *) datap;
 559	freq = le32_to_cpu(ev->freq);
 560	dlen = le16_to_cpu(ev->len);
 561	if (datap + len < ev->data + dlen) {
 562		ath6kl_err("invalid wmi_p2p_rx_probe_req_event: len=%d dlen=%u\n",
 563			   len, dlen);
 564		return -EINVAL;
 565	}
 566	ath6kl_dbg(ATH6KL_DBG_WMI,
 567		   "rx_probe_req: len=%u freq=%u probe_req_report=%d\n",
 568		   dlen, freq, vif->probe_req_report);
 569
 570	if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
 571		cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0,
 572				 GFP_ATOMIC);
 573
 574	return 0;
 575}
 576
 577static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
 578{
 579	struct wmi_p2p_capabilities_event *ev;
 580	u16 dlen;
 581
 582	if (len < sizeof(*ev))
 583		return -EINVAL;
 584
 585	ev = (struct wmi_p2p_capabilities_event *) datap;
 586	dlen = le16_to_cpu(ev->len);
 587	ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
 588
 589	return 0;
 590}
 591
 592static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 593					 struct ath6kl_vif *vif)
 594{
 595	struct wmi_rx_action_event *ev;
 596	u32 freq;
 597	u16 dlen;
 598
 599	if (len < sizeof(*ev))
 600		return -EINVAL;
 601
 602	ev = (struct wmi_rx_action_event *) datap;
 603	freq = le32_to_cpu(ev->freq);
 604	dlen = le16_to_cpu(ev->len);
 605	if (datap + len < ev->data + dlen) {
 606		ath6kl_err("invalid wmi_rx_action_event: len=%d dlen=%u\n",
 607			   len, dlen);
 608		return -EINVAL;
 609	}
 610	ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
 611	cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0, GFP_ATOMIC);
 612
 613	return 0;
 614}
 615
 616static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
 617{
 618	struct wmi_p2p_info_event *ev;
 619	u32 flags;
 620	u16 dlen;
 621
 622	if (len < sizeof(*ev))
 623		return -EINVAL;
 624
 625	ev = (struct wmi_p2p_info_event *) datap;
 626	flags = le32_to_cpu(ev->info_req_flags);
 627	dlen = le16_to_cpu(ev->len);
 628	ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
 629
 630	if (flags & P2P_FLAG_CAPABILITIES_REQ) {
 631		struct wmi_p2p_capabilities *cap;
 632		if (dlen < sizeof(*cap))
 633			return -EINVAL;
 634		cap = (struct wmi_p2p_capabilities *) ev->data;
 635		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
 636			   cap->go_power_save);
 637	}
 638
 639	if (flags & P2P_FLAG_MACADDR_REQ) {
 640		struct wmi_p2p_macaddr *mac;
 641		if (dlen < sizeof(*mac))
 642			return -EINVAL;
 643		mac = (struct wmi_p2p_macaddr *) ev->data;
 644		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
 645			   mac->mac_addr);
 646	}
 647
 648	if (flags & P2P_FLAG_HMODEL_REQ) {
 649		struct wmi_p2p_hmodel *mod;
 650		if (dlen < sizeof(*mod))
 651			return -EINVAL;
 652		mod = (struct wmi_p2p_hmodel *) ev->data;
 653		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
 654			   mod->p2p_model,
 655			   mod->p2p_model ? "host" : "firmware");
 656	}
 657	return 0;
 658}
 659
 660static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
 661{
 662	struct sk_buff *skb;
 663
 664	skb = ath6kl_buf_alloc(size);
 665	if (!skb)
 666		return NULL;
 667
 668	skb_put(skb, size);
 669	if (size)
 670		memset(skb->data, 0, size);
 671
 672	return skb;
 673}
 674
 675/* Send a "simple" wmi command -- one with no arguments */
 676static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
 677				 enum wmi_cmd_id cmd_id)
 678{
 679	struct sk_buff *skb;
 680	int ret;
 681
 682	skb = ath6kl_wmi_get_new_buf(0);
 683	if (!skb)
 684		return -ENOMEM;
 685
 686	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
 687
 688	return ret;
 689}
 690
 691static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
 692{
 693	struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
 694
 695	if (len < sizeof(struct wmi_ready_event_2))
 696		return -EINVAL;
 697
 698	ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
 699			   le32_to_cpu(ev->sw_version),
 700			   le32_to_cpu(ev->abi_version), ev->phy_cap);
 701
 702	return 0;
 703}
 704
 705/*
 706 * Mechanism to modify the roaming behavior in the firmware. The lower rssi
 707 * at which the station has to roam can be passed with
 708 * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
 709 * in dBm.
 710 */
 711int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
 712{
 713	struct sk_buff *skb;
 714	struct roam_ctrl_cmd *cmd;
 715
 716	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 717	if (!skb)
 718		return -ENOMEM;
 719
 720	cmd = (struct roam_ctrl_cmd *) skb->data;
 721
 722	cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
 723	cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
 724						       DEF_SCAN_FOR_ROAM_INTVL);
 725	cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
 726	cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
 727	cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
 728
 729	ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 730			    NO_SYNC_WMIFLAG);
 731
 732	return 0;
 733}
 734
 735int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
 736{
 737	struct sk_buff *skb;
 738	struct roam_ctrl_cmd *cmd;
 739
 740	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 741	if (!skb)
 742		return -ENOMEM;
 743
 744	cmd = (struct roam_ctrl_cmd *) skb->data;
 745
 746	memcpy(cmd->info.bssid, bssid, ETH_ALEN);
 747	cmd->roam_ctrl = WMI_FORCE_ROAM;
 748
 749	ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
 750	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 751				   NO_SYNC_WMIFLAG);
 752}
 753
 754int ath6kl_wmi_ap_set_beacon_intvl_cmd(struct wmi *wmi, u8 if_idx,
 755				       u32 beacon_intvl)
 756{
 757	struct sk_buff *skb;
 758	struct set_beacon_int_cmd *cmd;
 759
 760	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 761	if (!skb)
 762		return -ENOMEM;
 763
 764	cmd = (struct set_beacon_int_cmd *) skb->data;
 765
 766	cmd->beacon_intvl = cpu_to_le32(beacon_intvl);
 767	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 768				   WMI_SET_BEACON_INT_CMDID, NO_SYNC_WMIFLAG);
 769}
 770
 771int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period)
 772{
 773	struct sk_buff *skb;
 774	struct set_dtim_cmd *cmd;
 775
 776	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 777	if (!skb)
 778		return -ENOMEM;
 779
 780	cmd = (struct set_dtim_cmd *) skb->data;
 781
 782	cmd->dtim_period = cpu_to_le32(dtim_period);
 783	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 784				   WMI_AP_SET_DTIM_CMDID, NO_SYNC_WMIFLAG);
 785}
 786
 787int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 788{
 789	struct sk_buff *skb;
 790	struct roam_ctrl_cmd *cmd;
 791
 792	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 793	if (!skb)
 794		return -ENOMEM;
 795
 796	cmd = (struct roam_ctrl_cmd *) skb->data;
 797
 798	cmd->info.roam_mode = mode;
 799	cmd->roam_ctrl = WMI_SET_ROAM_MODE;
 800
 801	ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
 802	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 803				   NO_SYNC_WMIFLAG);
 804}
 805
 806static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
 807				       struct ath6kl_vif *vif)
 808{
 809	struct wmi_connect_event *ev;
 810	u8 *pie, *peie;
 811
 812	if (len < sizeof(struct wmi_connect_event))
 813		return -EINVAL;
 814
 815	ev = (struct wmi_connect_event *) datap;
 816
 817	if (vif->nw_type == AP_NETWORK) {
 818		/* AP mode start/STA connected event */
 819		struct net_device *dev = vif->ndev;
 820		if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
 821			ath6kl_dbg(ATH6KL_DBG_WMI,
 822				   "%s: freq %d bssid %pM (AP started)\n",
 823				   __func__, le16_to_cpu(ev->u.ap_bss.ch),
 824				   ev->u.ap_bss.bssid);
 825			ath6kl_connect_ap_mode_bss(
 826				vif, le16_to_cpu(ev->u.ap_bss.ch));
 827		} else {
 828			ath6kl_dbg(ATH6KL_DBG_WMI,
 829				   "%s: aid %u mac_addr %pM auth=%u keymgmt=%u cipher=%u apsd_info=%u (STA connected)\n",
 830				   __func__, ev->u.ap_sta.aid,
 831				   ev->u.ap_sta.mac_addr,
 832				   ev->u.ap_sta.auth,
 833				   ev->u.ap_sta.keymgmt,
 834				   le16_to_cpu(ev->u.ap_sta.cipher),
 835				   ev->u.ap_sta.apsd_info);
 836
 837			ath6kl_connect_ap_mode_sta(
 838				vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
 839				ev->u.ap_sta.keymgmt,
 840				le16_to_cpu(ev->u.ap_sta.cipher),
 841				ev->u.ap_sta.auth, ev->assoc_req_len,
 842				ev->assoc_info + ev->beacon_ie_len,
 843				ev->u.ap_sta.apsd_info);
 844		}
 845		return 0;
 846	}
 847
 848	/* STA/IBSS mode connection event */
 849
 850	ath6kl_dbg(ATH6KL_DBG_WMI,
 851		   "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
 852		   le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
 853		   le16_to_cpu(ev->u.sta.listen_intvl),
 854		   le16_to_cpu(ev->u.sta.beacon_intvl),
 855		   le32_to_cpu(ev->u.sta.nw_type));
 856
 857	/* Start of assoc rsp IEs */
 858	pie = ev->assoc_info + ev->beacon_ie_len +
 859	      ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
 860
 861	/* End of assoc rsp IEs */
 862	peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
 863	    ev->assoc_resp_len;
 864
 865	while (pie < peie) {
 866		switch (*pie) {
 867		case WLAN_EID_VENDOR_SPECIFIC:
 868			if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
 869			    pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
 870				/* WMM OUT (00:50:F2) */
 871				if (pie[1] > 5 &&
 872				    pie[6] == WMM_PARAM_OUI_SUBTYPE)
 873					wmi->is_wmm_enabled = true;
 874			}
 875			break;
 876		}
 877
 878		if (wmi->is_wmm_enabled)
 879			break;
 880
 881		pie += pie[1] + 2;
 882	}
 883
 884	ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
 885			     ev->u.sta.bssid,
 886			     le16_to_cpu(ev->u.sta.listen_intvl),
 887			     le16_to_cpu(ev->u.sta.beacon_intvl),
 888			     le32_to_cpu(ev->u.sta.nw_type),
 889			     ev->beacon_ie_len, ev->assoc_req_len,
 890			     ev->assoc_resp_len, ev->assoc_info);
 891
 892	return 0;
 893}
 894
 895static struct country_code_to_enum_rd *
 896ath6kl_regd_find_country(u16 countryCode)
 897{
 898	int i;
 899
 900	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 901		if (allCountries[i].countryCode == countryCode)
 902			return &allCountries[i];
 903	}
 904
 905	return NULL;
 906}
 907
 908static struct reg_dmn_pair_mapping *
 909ath6kl_get_regpair(u16 regdmn)
 910{
 911	int i;
 912
 913	if (regdmn == NO_ENUMRD)
 914		return NULL;
 915
 916	for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
 917		if (regDomainPairs[i].reg_domain == regdmn)
 918			return &regDomainPairs[i];
 919	}
 920
 921	return NULL;
 922}
 923
 924static struct country_code_to_enum_rd *
 925ath6kl_regd_find_country_by_rd(u16 regdmn)
 926{
 927	int i;
 928
 929	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 930		if (allCountries[i].regDmnEnum == regdmn)
 931			return &allCountries[i];
 932	}
 933
 934	return NULL;
 935}
 936
 937static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 938{
 939
 940	struct ath6kl_wmi_regdomain *ev;
 941	struct country_code_to_enum_rd *country = NULL;
 942	struct reg_dmn_pair_mapping *regpair = NULL;
 943	char alpha2[2];
 944	u32 reg_code;
 945
 946	ev = (struct ath6kl_wmi_regdomain *) datap;
 947	reg_code = le32_to_cpu(ev->reg_code);
 948
 949	if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG)
 950		country = ath6kl_regd_find_country((u16) reg_code);
 951	else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
 952
 953		regpair = ath6kl_get_regpair((u16) reg_code);
 954		country = ath6kl_regd_find_country_by_rd((u16) reg_code);
 955		if (regpair)
 956			ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
 957				   regpair->reg_domain);
 958		else
 959			ath6kl_warn("Regpair not found reg_code 0x%0x\n",
 960				    reg_code);
 961	}
 962
 963	if (country && wmi->parent_dev->wiphy_registered) {
 964		alpha2[0] = country->isoName[0];
 965		alpha2[1] = country->isoName[1];
 966
 967		regulatory_hint(wmi->parent_dev->wiphy, alpha2);
 968
 969		ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
 970			   alpha2[0], alpha2[1]);
 971	}
 972}
 973
 974static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
 975					  struct ath6kl_vif *vif)
 976{
 977	struct wmi_disconnect_event *ev;
 978	wmi->traffic_class = 100;
 979
 980	if (len < sizeof(struct wmi_disconnect_event))
 981		return -EINVAL;
 982
 983	ev = (struct wmi_disconnect_event *) datap;
 984
 985	ath6kl_dbg(ATH6KL_DBG_WMI,
 986		   "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
 987		   le16_to_cpu(ev->proto_reason_status), ev->bssid,
 988		   ev->disconn_reason, ev->assoc_resp_len);
 989
 990	wmi->is_wmm_enabled = false;
 991
 992	ath6kl_disconnect_event(vif, ev->disconn_reason,
 993				ev->bssid, ev->assoc_resp_len, ev->assoc_info,
 994				le16_to_cpu(ev->proto_reason_status));
 995
 996	return 0;
 997}
 998
 999static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
1000{
1001	struct wmi_peer_node_event *ev;
1002
1003	if (len < sizeof(struct wmi_peer_node_event))
1004		return -EINVAL;
1005
1006	ev = (struct wmi_peer_node_event *) datap;
1007
1008	if (ev->event_code == PEER_NODE_JOIN_EVENT)
1009		ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
1010			   ev->peer_mac_addr);
1011	else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
1012		ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
1013			   ev->peer_mac_addr);
1014
1015	return 0;
1016}
1017
1018static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
1019					   struct ath6kl_vif *vif)
1020{
1021	struct wmi_tkip_micerr_event *ev;
1022
1023	if (len < sizeof(struct wmi_tkip_micerr_event))
1024		return -EINVAL;
1025
1026	ev = (struct wmi_tkip_micerr_event *) datap;
1027
1028	ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
1029
1030	return 0;
1031}
1032
1033void ath6kl_wmi_sscan_timer(unsigned long ptr)
1034{
1035	struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
1036
1037	cfg80211_sched_scan_results(vif->ar->wiphy);
1038}
1039
1040static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
1041				       struct ath6kl_vif *vif)
1042{
1043	struct wmi_bss_info_hdr2 *bih;
1044	u8 *buf;
1045	struct ieee80211_channel *channel;
1046	struct ath6kl *ar = wmi->parent_dev;
1047	struct ieee80211_mgmt *mgmt;
1048	struct cfg80211_bss *bss;
1049
1050	if (len <= sizeof(struct wmi_bss_info_hdr2))
1051		return -EINVAL;
1052
1053	bih = (struct wmi_bss_info_hdr2 *) datap;
1054	buf = datap + sizeof(struct wmi_bss_info_hdr2);
1055	len -= sizeof(struct wmi_bss_info_hdr2);
1056
1057	ath6kl_dbg(ATH6KL_DBG_WMI,
1058		   "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1059		   "frame_type=%d\n",
1060		   bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1061		   bih->frame_type);
1062
1063	if (bih->frame_type != BEACON_FTYPE &&
1064	    bih->frame_type != PROBERESP_FTYPE)
1065		return 0; /* Only update BSS table for now */
1066
1067	if (bih->frame_type == BEACON_FTYPE &&
1068	    test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1069		clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1070		ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1071					 NONE_BSS_FILTER, 0);
1072	}
1073
1074	channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1075	if (channel == NULL)
1076		return -EINVAL;
1077
1078	if (len < 8 + 2 + 2)
1079		return -EINVAL;
1080
1081	if (bih->frame_type == BEACON_FTYPE &&
1082	    test_bit(CONNECTED, &vif->flags) &&
1083	    memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1084		const u8 *tim;
1085		tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1086				       len - 8 - 2 - 2);
1087		if (tim && tim[1] >= 2) {
1088			vif->assoc_bss_dtim_period = tim[3];
1089			set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1090		}
1091	}
1092
1093	/*
1094	 * In theory, use of cfg80211_inform_bss() would be more natural here
1095	 * since we do not have the full frame. However, at least for now,
1096	 * cfg80211 can only distinguish Beacon and Probe Response frames from
1097	 * each other when using cfg80211_inform_bss_frame(), so let's build a
1098	 * fake IEEE 802.11 header to be able to take benefit of this.
1099	 */
1100	mgmt = kmalloc(24 + len, GFP_ATOMIC);
1101	if (mgmt == NULL)
1102		return -EINVAL;
1103
1104	if (bih->frame_type == BEACON_FTYPE) {
1105		mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1106						  IEEE80211_STYPE_BEACON);
1107		memset(mgmt->da, 0xff, ETH_ALEN);
1108	} else {
1109		struct net_device *dev = vif->ndev;
1110
1111		mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1112						  IEEE80211_STYPE_PROBE_RESP);
1113		memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
1114	}
1115	mgmt->duration = cpu_to_le16(0);
1116	memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
1117	memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
1118	mgmt->seq_ctrl = cpu_to_le16(0);
1119
1120	memcpy(&mgmt->u.beacon, buf, len);
1121
1122	bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
1123					24 + len, (bih->snr - 95) * 100,
1124					GFP_ATOMIC);
1125	kfree(mgmt);
1126	if (bss == NULL)
1127		return -ENOMEM;
1128	cfg80211_put_bss(ar->wiphy, bss);
1129
1130	/*
1131	 * Firmware doesn't return any event when scheduled scan has
1132	 * finished, so we need to use a timer to find out when there are
1133	 * no more results.
1134	 *
1135	 * The timer is started from the first bss info received, otherwise
1136	 * the timer would not ever fire if the scan interval is short
1137	 * enough.
1138	 */
1139	if (test_bit(SCHED_SCANNING, &vif->flags) &&
1140	    !timer_pending(&vif->sched_scan_timer)) {
1141		mod_timer(&vif->sched_scan_timer, jiffies +
1142			  msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1143	}
1144
1145	return 0;
1146}
1147
1148/* Inactivity timeout of a fatpipe(pstream) at the target */
1149static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1150					       int len)
1151{
1152	struct wmi_pstream_timeout_event *ev;
1153
1154	if (len < sizeof(struct wmi_pstream_timeout_event))
1155		return -EINVAL;
1156
1157	ev = (struct wmi_pstream_timeout_event *) datap;
1158
1159	/*
1160	 * When the pstream (fat pipe == AC) timesout, it means there were
1161	 * no thinStreams within this pstream & it got implicitly created
1162	 * due to data flow on this AC. We start the inactivity timer only
1163	 * for implicitly created pstream. Just reset the host state.
1164	 */
1165	spin_lock_bh(&wmi->lock);
1166	wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1167	wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1168	spin_unlock_bh(&wmi->lock);
1169
1170	/* Indicate inactivity to driver layer for this fatpipe (pstream) */
1171	ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1172
1173	return 0;
1174}
1175
1176static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1177{
1178	struct wmi_bit_rate_reply *reply;
1179	s32 rate;
1180	u32 sgi, index;
1181
1182	if (len < sizeof(struct wmi_bit_rate_reply))
1183		return -EINVAL;
1184
1185	reply = (struct wmi_bit_rate_reply *) datap;
1186
1187	ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1188
1189	if (reply->rate_index == (s8) RATE_AUTO) {
1190		rate = RATE_AUTO;
1191	} else {
1192		index = reply->rate_index & 0x7f;
1193		if (WARN_ON_ONCE(index > (RATE_MCS_7_40 + 1)))
1194			return -EINVAL;
1195
1196		sgi = (reply->rate_index & 0x80) ? 1 : 0;
1197		rate = wmi_rate_tbl[index][sgi];
1198	}
1199
1200	ath6kl_wakeup_event(wmi->parent_dev);
1201
1202	return 0;
1203}
1204
1205static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1206{
1207	ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1208
1209	return 0;
1210}
1211
1212static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1213{
1214	if (len < sizeof(struct wmi_fix_rates_reply))
1215		return -EINVAL;
1216
1217	ath6kl_wakeup_event(wmi->parent_dev);
1218
1219	return 0;
1220}
1221
1222static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1223{
1224	if (len < sizeof(struct wmi_channel_list_reply))
1225		return -EINVAL;
1226
1227	ath6kl_wakeup_event(wmi->parent_dev);
1228
1229	return 0;
1230}
1231
1232static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1233{
1234	struct wmi_tx_pwr_reply *reply;
1235
1236	if (len < sizeof(struct wmi_tx_pwr_reply))
1237		return -EINVAL;
1238
1239	reply = (struct wmi_tx_pwr_reply *) datap;
1240	ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1241
1242	return 0;
1243}
1244
1245static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1246{
1247	if (len < sizeof(struct wmi_get_keepalive_cmd))
1248		return -EINVAL;
1249
1250	ath6kl_wakeup_event(wmi->parent_dev);
1251
1252	return 0;
1253}
1254
1255static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1256				       struct ath6kl_vif *vif)
1257{
1258	struct wmi_scan_complete_event *ev;
1259
1260	ev = (struct wmi_scan_complete_event *) datap;
1261
1262	ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1263	wmi->is_probe_ssid = false;
1264
1265	return 0;
1266}
1267
1268static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1269					       int len, struct ath6kl_vif *vif)
1270{
1271	struct wmi_neighbor_report_event *ev;
1272	u8 i;
1273
1274	if (len < sizeof(*ev))
1275		return -EINVAL;
1276	ev = (struct wmi_neighbor_report_event *) datap;
1277	if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1278	    > len) {
1279		ath6kl_dbg(ATH6KL_DBG_WMI,
1280			   "truncated neighbor event (num=%d len=%d)\n",
1281			   ev->num_neighbors, len);
1282		return -EINVAL;
1283	}
1284	for (i = 0; i < ev->num_neighbors; i++) {
1285		ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1286			   i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1287			   ev->neighbor[i].bss_flags);
1288		cfg80211_pmksa_candidate_notify(vif->ndev, i,
1289						ev->neighbor[i].bssid,
1290						!!(ev->neighbor[i].bss_flags &
1291						   WMI_PREAUTH_CAPABLE_BSS),
1292						GFP_ATOMIC);
1293	}
1294
1295	return 0;
1296}
1297
1298/*
1299 * Target is reporting a programming error.  This is for
1300 * developer aid only.  Target only checks a few common violations
1301 * and it is responsibility of host to do all error checking.
1302 * Behavior of target after wmi error event is undefined.
1303 * A reset is recommended.
1304 */
1305static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1306{
1307	const char *type = "unknown error";
1308	struct wmi_cmd_error_event *ev;
1309	ev = (struct wmi_cmd_error_event *) datap;
1310
1311	switch (ev->err_code) {
1312	case INVALID_PARAM:
1313		type = "invalid parameter";
1314		break;
1315	case ILLEGAL_STATE:
1316		type = "invalid state";
1317		break;
1318	case INTERNAL_ERROR:
1319		type = "internal error";
1320		break;
1321	}
1322
1323	ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1324		   ev->cmd_id, type);
1325
1326	return 0;
1327}
1328
1329static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1330				     struct ath6kl_vif *vif)
1331{
1332	ath6kl_tgt_stats_event(vif, datap, len);
1333
1334	return 0;
1335}
1336
1337static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1338					 struct sq_threshold_params *sq_thresh,
1339					 u32 size)
1340{
1341	u32 index;
1342	u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1343
1344	/* The list is already in sorted order. Get the next lower value */
1345	for (index = 0; index < size; index++) {
1346		if (rssi < sq_thresh->upper_threshold[index]) {
1347			threshold = (u8) sq_thresh->upper_threshold[index];
1348			break;
1349		}
1350	}
1351
1352	return threshold;
1353}
1354
1355static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1356					 struct sq_threshold_params *sq_thresh,
1357					 u32 size)
1358{
1359	u32 index;
1360	u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1361
1362	/* The list is already in sorted order. Get the next lower value */
1363	for (index = 0; index < size; index++) {
1364		if (rssi > sq_thresh->lower_threshold[index]) {
1365			threshold = (u8) sq_thresh->lower_threshold[index];
1366			break;
1367		}
1368	}
1369
1370	return threshold;
1371}
1372
1373static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1374			struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1375{
1376	struct sk_buff *skb;
1377	struct wmi_rssi_threshold_params_cmd *cmd;
1378
1379	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1380	if (!skb)
1381		return -ENOMEM;
1382
1383	cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1384	memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1385
1386	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1387				   NO_SYNC_WMIFLAG);
1388}
1389
1390static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1391					      int len)
1392{
1393	struct wmi_rssi_threshold_event *reply;
1394	struct wmi_rssi_threshold_params_cmd cmd;
1395	struct sq_threshold_params *sq_thresh;
1396	enum wmi_rssi_threshold_val new_threshold;
1397	u8 upper_rssi_threshold, lower_rssi_threshold;
1398	s16 rssi;
1399	int ret;
1400
1401	if (len < sizeof(struct wmi_rssi_threshold_event))
1402		return -EINVAL;
1403
1404	reply = (struct wmi_rssi_threshold_event *) datap;
1405	new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1406	rssi = a_sle16_to_cpu(reply->rssi);
1407
1408	sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1409
1410	/*
1411	 * Identify the threshold breached and communicate that to the app.
1412	 * After that install a new set of thresholds based on the signal
1413	 * quality reported by the target
1414	 */
1415	if (new_threshold) {
1416		/* Upper threshold breached */
1417		if (rssi < sq_thresh->upper_threshold[0]) {
1418			ath6kl_dbg(ATH6KL_DBG_WMI,
1419				   "spurious upper rssi threshold event: %d\n",
1420				   rssi);
1421		} else if ((rssi < sq_thresh->upper_threshold[1]) &&
1422			   (rssi >= sq_thresh->upper_threshold[0])) {
1423			new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1424		} else if ((rssi < sq_thresh->upper_threshold[2]) &&
1425			   (rssi >= sq_thresh->upper_threshold[1])) {
1426			new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1427		} else if ((rssi < sq_thresh->upper_threshold[3]) &&
1428			   (rssi >= sq_thresh->upper_threshold[2])) {
1429			new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1430		} else if ((rssi < sq_thresh->upper_threshold[4]) &&
1431			   (rssi >= sq_thresh->upper_threshold[3])) {
1432			new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1433		} else if ((rssi < sq_thresh->upper_threshold[5]) &&
1434			   (rssi >= sq_thresh->upper_threshold[4])) {
1435			new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1436		} else if (rssi >= sq_thresh->upper_threshold[5]) {
1437			new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1438		}
1439	} else {
1440		/* Lower threshold breached */
1441		if (rssi > sq_thresh->lower_threshold[0]) {
1442			ath6kl_dbg(ATH6KL_DBG_WMI,
1443				   "spurious lower rssi threshold event: %d %d\n",
1444				rssi, sq_thresh->lower_threshold[0]);
1445		} else if ((rssi > sq_thresh->lower_threshold[1]) &&
1446			   (rssi <= sq_thresh->lower_threshold[0])) {
1447			new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1448		} else if ((rssi > sq_thresh->lower_threshold[2]) &&
1449			   (rssi <= sq_thresh->lower_threshold[1])) {
1450			new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1451		} else if ((rssi > sq_thresh->lower_threshold[3]) &&
1452			   (rssi <= sq_thresh->lower_threshold[2])) {
1453			new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1454		} else if ((rssi > sq_thresh->lower_threshold[4]) &&
1455			   (rssi <= sq_thresh->lower_threshold[3])) {
1456			new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1457		} else if ((rssi > sq_thresh->lower_threshold[5]) &&
1458			   (rssi <= sq_thresh->lower_threshold[4])) {
1459			new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1460		} else if (rssi <= sq_thresh->lower_threshold[5]) {
1461			new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1462		}
1463	}
1464
1465	/* Calculate and install the next set of thresholds */
1466	lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1467				       sq_thresh->lower_threshold_valid_count);
1468	upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1469				       sq_thresh->upper_threshold_valid_count);
1470
1471	/* Issue a wmi command to install the thresholds */
1472	cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1473	cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1474	cmd.weight = sq_thresh->weight;
1475	cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1476
1477	ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1478	if (ret) {
1479		ath6kl_err("unable to configure rssi thresholds\n");
1480		return -EIO;
1481	}
1482
1483	return 0;
1484}
1485
1486static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1487				   struct ath6kl_vif *vif)
1488{
1489	struct wmi_cac_event *reply;
1490	struct ieee80211_tspec_ie *ts;
1491	u16 active_tsids, tsinfo;
1492	u8 tsid, index;
1493	u8 ts_id;
1494
1495	if (len < sizeof(struct wmi_cac_event))
1496		return -EINVAL;
1497
1498	reply = (struct wmi_cac_event *) datap;
1499
1500	if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1501	    (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1502
1503		ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1504		tsinfo = le16_to_cpu(ts->tsinfo);
1505		tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1506			IEEE80211_WMM_IE_TSPEC_TID_MASK;
1507
1508		ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1509					      reply->ac, tsid);
1510	} else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1511		/*
1512		 * Following assumes that there is only one outstanding
1513		 * ADDTS request when this event is received
1514		 */
1515		spin_lock_bh(&wmi->lock);
1516		active_tsids = wmi->stream_exist_for_ac[reply->ac];
1517		spin_unlock_bh(&wmi->lock);
1518
1519		for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1520			if ((active_tsids >> index) & 1)
1521				break;
1522		}
1523		if (index < (sizeof(active_tsids) * 8))
1524			ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1525						      reply->ac, index);
1526	}
1527
1528	/*
1529	 * Clear active tsids and Add missing handling
1530	 * for delete qos stream from AP
1531	 */
1532	else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1533
1534		ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1535		tsinfo = le16_to_cpu(ts->tsinfo);
1536		ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1537			 IEEE80211_WMM_IE_TSPEC_TID_MASK);
1538
1539		spin_lock_bh(&wmi->lock);
1540		wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1541		active_tsids = wmi->stream_exist_for_ac[reply->ac];
1542		spin_unlock_bh(&wmi->lock);
1543
1544		/* Indicate stream inactivity to driver layer only if all tsids
1545		 * within this AC are deleted.
1546		 */
1547		if (!active_tsids) {
1548			ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1549						    false);
1550			wmi->fat_pipe_exist &= ~(1 << reply->ac);
1551		}
1552	}
1553
1554	return 0;
1555}
1556
1557static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,
1558					  struct ath6kl_vif *vif)
1559{
1560	struct wmi_txe_notify_event *ev;
1561	u32 rate, pkts;
1562
1563	if (len < sizeof(*ev))
1564		return -EINVAL;
1565
1566	if (vif->sme_state != SME_CONNECTED)
1567		return -ENOTCONN;
1568
1569	ev = (struct wmi_txe_notify_event *) datap;
1570	rate = le32_to_cpu(ev->rate);
1571	pkts = le32_to_cpu(ev->pkts);
1572
1573	ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d% pkts %d intvl %ds\n",
1574		   vif->bssid, rate, pkts, vif->txe_intvl);
1575
1576	cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,
1577				rate, vif->txe_intvl, GFP_KERNEL);
1578
1579	return 0;
1580}
1581
1582int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
1583			      u32 rate, u32 pkts, u32 intvl)
1584{
1585	struct sk_buff *skb;
1586	struct wmi_txe_notify_cmd *cmd;
1587
1588	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1589	if (!skb)
1590		return -ENOMEM;
1591
1592	cmd = (struct wmi_txe_notify_cmd *) skb->data;
1593	cmd->rate = cpu_to_le32(rate);
1594	cmd->pkts = cpu_to_le32(pkts);
1595	cmd->intvl = cpu_to_le32(intvl);
1596
1597	return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,
1598				   NO_SYNC_WMIFLAG);
1599}
1600
1601int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
1602{
1603	struct sk_buff *skb;
1604	struct wmi_set_rssi_filter_cmd *cmd;
1605	int ret;
1606
1607	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1608	if (!skb)
1609		return -ENOMEM;
1610
1611	cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
1612	cmd->rssi = rssi;
1613
1614	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,
1615				  NO_SYNC_WMIFLAG);
1616	return ret;
1617}
1618
1619static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1620			struct wmi_snr_threshold_params_cmd *snr_cmd)
1621{
1622	struct sk_buff *skb;
1623	struct wmi_snr_threshold_params_cmd *cmd;
1624
1625	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1626	if (!skb)
1627		return -ENOMEM;
1628
1629	cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1630	memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1631
1632	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1633				   NO_SYNC_WMIFLAG);
1634}
1635
1636static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1637					     int len)
1638{
1639	struct wmi_snr_threshold_event *reply;
1640	struct sq_threshold_params *sq_thresh;
1641	struct wmi_snr_threshold_params_cmd cmd;
1642	enum wmi_snr_threshold_val new_threshold;
1643	u8 upper_snr_threshold, lower_snr_threshold;
1644	s16 snr;
1645	int ret;
1646
1647	if (len < sizeof(struct wmi_snr_threshold_event))
1648		return -EINVAL;
1649
1650	reply = (struct wmi_snr_threshold_event *) datap;
1651
1652	new_threshold = (enum wmi_snr_threshold_val) reply->range;
1653	snr = reply->snr;
1654
1655	sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1656
1657	/*
1658	 * Identify the threshold breached and communicate that to the app.
1659	 * After that install a new set of thresholds based on the signal
1660	 * quality reported by the target.
1661	 */
1662	if (new_threshold) {
1663		/* Upper threshold breached */
1664		if (snr < sq_thresh->upper_threshold[0]) {
1665			ath6kl_dbg(ATH6KL_DBG_WMI,
1666				   "spurious upper snr threshold event: %d\n",
1667				   snr);
1668		} else if ((snr < sq_thresh->upper_threshold[1]) &&
1669			   (snr >= sq_thresh->upper_threshold[0])) {
1670			new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1671		} else if ((snr < sq_thresh->upper_threshold[2]) &&
1672			   (snr >= sq_thresh->upper_threshold[1])) {
1673			new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1674		} else if ((snr < sq_thresh->upper_threshold[3]) &&
1675			   (snr >= sq_thresh->upper_threshold[2])) {
1676			new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1677		} else if (snr >= sq_thresh->upper_threshold[3]) {
1678			new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1679		}
1680	} else {
1681		/* Lower threshold breached */
1682		if (snr > sq_thresh->lower_threshold[0]) {
1683			ath6kl_dbg(ATH6KL_DBG_WMI,
1684				   "spurious lower snr threshold event: %d\n",
1685				   sq_thresh->lower_threshold[0]);
1686		} else if ((snr > sq_thresh->lower_threshold[1]) &&
1687			   (snr <= sq_thresh->lower_threshold[0])) {
1688			new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1689		} else if ((snr > sq_thresh->lower_threshold[2]) &&
1690			   (snr <= sq_thresh->lower_threshold[1])) {
1691			new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1692		} else if ((snr > sq_thresh->lower_threshold[3]) &&
1693			   (snr <= sq_thresh->lower_threshold[2])) {
1694			new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1695		} else if (snr <= sq_thresh->lower_threshold[3]) {
1696			new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1697		}
1698	}
1699
1700	/* Calculate and install the next set of thresholds */
1701	lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1702				       sq_thresh->lower_threshold_valid_count);
1703	upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1704				       sq_thresh->upper_threshold_valid_count);
1705
1706	/* Issue a wmi command to install the thresholds */
1707	cmd.thresh_above1_val = upper_snr_threshold;
1708	cmd.thresh_below1_val = lower_snr_threshold;
1709	cmd.weight = sq_thresh->weight;
1710	cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1711
1712	ath6kl_dbg(ATH6KL_DBG_WMI,
1713		   "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1714		   snr, new_threshold,
1715		   lower_snr_threshold, upper_snr_threshold);
1716
1717	ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1718	if (ret) {
1719		ath6kl_err("unable to configure snr threshold\n");
1720		return -EIO;
1721	}
1722
1723	return 0;
1724}
1725
1726static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1727{
1728	u16 ap_info_entry_size;
1729	struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1730	struct wmi_ap_info_v1 *ap_info_v1;
1731	u8 index;
1732
1733	if (len < sizeof(struct wmi_aplist_event) ||
1734	    ev->ap_list_ver != APLIST_VER1)
1735		return -EINVAL;
1736
1737	ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1738	ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1739
1740	ath6kl_dbg(ATH6KL_DBG_WMI,
1741		   "number of APs in aplist event: %d\n", ev->num_ap);
1742
1743	if (len < (int) (sizeof(struct wmi_aplist_event) +
1744			 (ev->num_ap - 1) * ap_info_entry_size))
1745		return -EINVAL;
1746
1747	/* AP list version 1 contents */
1748	for (index = 0; index < ev->num_ap; index++) {
1749		ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1750			   index, ap_info_v1->bssid, ap_info_v1->channel);
1751		ap_info_v1++;
1752	}
1753
1754	return 0;
1755}
1756
1757int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1758			enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1759{
1760	struct wmi_cmd_hdr *cmd_hdr;
1761	enum htc_endpoint_id ep_id = wmi->ep_id;
1762	int ret;
1763	u16 info1;
1764
1765	if (WARN_ON(skb == NULL ||
1766		    (if_idx > (wmi->parent_dev->vif_max - 1)))) {
1767		dev_kfree_skb(skb);
1768		return -EINVAL;
1769	}
1770
1771	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1772		   cmd_id, skb->len, sync_flag);
1773	ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1774			skb->data, skb->len);
1775
1776	if (sync_flag >= END_WMIFLAG) {
1777		dev_kfree_skb(skb);
1778		return -EINVAL;
1779	}
1780
1781	if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1782	    (sync_flag == SYNC_BOTH_WMIFLAG)) {
1783		/*
1784		 * Make sure all data currently queued is transmitted before
1785		 * the cmd execution.  Establish a new sync point.
1786		 */
1787		ath6kl_wmi_sync_point(wmi, if_idx);
1788	}
1789
1790	skb_push(skb, sizeof(struct wmi_cmd_hdr));
1791
1792	cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1793	cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1794	info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1795	cmd_hdr->info1 = cpu_to_le16(info1);
1796
1797	/* Only for OPT_TX_CMD, use BE endpoint. */
1798	if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1799		ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1800					      false, false, 0, NULL, if_idx);
1801		if (ret) {
1802			dev_kfree_skb(skb);
1803			return ret;
1804		}
1805		ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1806	}
1807
1808	ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1809
1810	if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1811	    (sync_flag == SYNC_BOTH_WMIFLAG)) {
1812		/*
1813		 * Make sure all new data queued waits for the command to
1814		 * execute. Establish a new sync point.
1815		 */
1816		ath6kl_wmi_sync_point(wmi, if_idx);
1817	}
1818
1819	return 0;
1820}
1821
1822int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1823			   enum network_type nw_type,
1824			   enum dot11_auth_mode dot11_auth_mode,
1825			   enum auth_mode auth_mode,
1826			   enum crypto_type pairwise_crypto,
1827			   u8 pairwise_crypto_len,
1828			   enum crypto_type group_crypto,
1829			   u8 group_crypto_len, int ssid_len, u8 *ssid,
1830			   u8 *bssid, u16 channel, u32 ctrl_flags,
1831			   u8 nw_subtype)
1832{
1833	struct sk_buff *skb;
1834	struct wmi_connect_cmd *cc;
1835	int ret;
1836
1837	ath6kl_dbg(ATH6KL_DBG_WMI,
1838		   "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1839		   "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1840		   bssid, channel, ctrl_flags, ssid_len, nw_type,
1841		   dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1842	ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1843
1844	wmi->traffic_class = 100;
1845
1846	if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1847		return -EINVAL;
1848
1849	if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1850		return -EINVAL;
1851
1852	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1853	if (!skb)
1854		return -ENOMEM;
1855
1856	cc = (struct wmi_connect_cmd *) skb->data;
1857
1858	if (ssid_len)
1859		memcpy(cc->ssid, ssid, ssid_len);
1860
1861	cc->ssid_len = ssid_len;
1862	cc->nw_type = nw_type;
1863	cc->dot11_auth_mode = dot11_auth_mode;
1864	cc->auth_mode = auth_mode;
1865	cc->prwise_crypto_type = pairwise_crypto;
1866	cc->prwise_crypto_len = pairwise_crypto_len;
1867	cc->grp_crypto_type = group_crypto;
1868	cc->grp_crypto_len = group_crypto_len;
1869	cc->ch = cpu_to_le16(channel);
1870	cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1871	cc->nw_subtype = nw_subtype;
1872
1873	if (bssid != NULL)
1874		memcpy(cc->bssid, bssid, ETH_ALEN);
1875
1876	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1877				  NO_SYNC_WMIFLAG);
1878
1879	return ret;
1880}
1881
1882int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1883			     u16 channel)
1884{
1885	struct sk_buff *skb;
1886	struct wmi_reconnect_cmd *cc;
1887	int ret;
1888
1889	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1890		   bssid, channel);
1891
1892	wmi->traffic_class = 100;
1893
1894	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1895	if (!skb)
1896		return -ENOMEM;
1897
1898	cc = (struct wmi_reconnect_cmd *) skb->data;
1899	cc->channel = cpu_to_le16(channel);
1900
1901	if (bssid != NULL)
1902		memcpy(cc->bssid, bssid, ETH_ALEN);
1903
1904	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1905				  NO_SYNC_WMIFLAG);
1906
1907	return ret;
1908}
1909
1910int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1911{
1912	int ret;
1913
1914	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1915
1916	wmi->traffic_class = 100;
1917
1918	/* Disconnect command does not need to do a SYNC before. */
1919	ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1920
1921	return ret;
1922}
1923
1924/* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1925 * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1926 * mgmt operations using station interface.
1927 */
1928static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1929				    enum wmi_scan_type scan_type,
1930				    u32 force_fgscan, u32 is_legacy,
1931				    u32 home_dwell_time,
1932				    u32 force_scan_interval,
1933				    s8 num_chan, u16 *ch_list)
1934{
1935	struct sk_buff *skb;
1936	struct wmi_start_scan_cmd *sc;
1937	s8 size;
1938	int i, ret;
1939
1940	size = sizeof(struct wmi_start_scan_cmd);
1941
1942	if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1943		return -EINVAL;
1944
1945	if (num_chan > WMI_MAX_CHANNELS)
1946		return -EINVAL;
1947
1948	if (num_chan)
1949		size += sizeof(u16) * (num_chan - 1);
1950
1951	skb = ath6kl_wmi_get_new_buf(size);
1952	if (!skb)
1953		return -ENOMEM;
1954
1955	sc = (struct wmi_start_scan_cmd *) skb->data;
1956	sc->scan_type = scan_type;
1957	sc->force_fg_scan = cpu_to_le32(force_fgscan);
1958	sc->is_legacy = cpu_to_le32(is_legacy);
1959	sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1960	sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1961	sc->num_ch = num_chan;
1962
1963	for (i = 0; i < num_chan; i++)
1964		sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1965
1966	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1967				  NO_SYNC_WMIFLAG);
1968
1969	return ret;
1970}
1971
1972/*
1973 * beginscan supports (compared to old startscan) P2P mgmt operations using
1974 * station interface, send additional information like supported rates to
1975 * advertise and xmit rates for probe requests
1976 */
1977int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1978			     enum wmi_scan_type scan_type,
1979			     u32 force_fgscan, u32 is_legacy,
1980			     u32 home_dwell_time, u32 force_scan_interval,
1981			     s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
1982{
1983	struct ieee80211_supported_band *sband;
1984	struct sk_buff *skb;
1985	struct wmi_begin_scan_cmd *sc;
1986	s8 size, *supp_rates;
1987	int i, band, ret;
1988	struct ath6kl *ar = wmi->parent_dev;
1989	int num_rates;
1990	u32 ratemask;
1991
1992	if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1993		      ar->fw_capabilities)) {
1994		return ath6kl_wmi_startscan_cmd(wmi, if_idx,
1995						scan_type, force_fgscan,
1996						is_legacy, home_dwell_time,
1997						force_scan_interval,
1998						num_chan, ch_list);
1999	}
2000
2001	size = sizeof(struct wmi_begin_scan_cmd);
2002
2003	if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
2004		return -EINVAL;
2005
2006	if (num_chan > WMI_MAX_CHANNELS)
2007		return -EINVAL;
2008
2009	if (num_chan)
2010		size += sizeof(u16) * (num_chan - 1);
2011
2012	skb = ath6kl_wmi_get_new_buf(size);
2013	if (!skb)
2014		return -ENOMEM;
2015
2016	sc = (struct wmi_begin_scan_cmd *) skb->data;
2017	sc->scan_type = scan_type;
2018	sc->force_fg_scan = cpu_to_le32(force_fgscan);
2019	sc->is_legacy = cpu_to_le32(is_legacy);
2020	sc->home_dwell_time = cpu_to_le32(home_dwell_time);
2021	sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
2022	sc->no_cck = cpu_to_le32(no_cck);
2023	sc->num_ch = num_chan;
2024
2025	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2026		sband = ar->wiphy->bands[band];
2027
2028		if (!sband)
2029			continue;
2030
2031		if (WARN_ON(band >= ATH6KL_NUM_BANDS))
2032			break;
2033
2034		ratemask = rates[band];
2035		supp_rates = sc->supp_rates[band].rates;
2036		num_rates = 0;
2037
2038		for (i = 0; i < sband->n_bitrates; i++) {
2039			if ((BIT(i) & ratemask) == 0)
2040				continue; /* skip rate */
2041			supp_rates[num_rates++] =
2042			    (u8) (sband->bitrates[i].bitrate / 5);
2043		}
2044		sc->supp_rates[band].nrates = num_rates;
2045	}
2046
2047	for (i = 0; i < num_chan; i++)
2048		sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2049
2050	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
2051				  NO_SYNC_WMIFLAG);
2052
2053	return ret;
2054}
2055
2056int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2057{
2058	struct sk_buff *skb;
2059	struct wmi_enable_sched_scan_cmd *sc;
2060	int ret;
2061
2062	skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2063	if (!skb)
2064		return -ENOMEM;
2065
2066	ath6kl_dbg(ATH6KL_DBG_WMI, "%s scheduled scan on vif %d\n",
2067		   enable ? "enabling" : "disabling", if_idx);
2068	sc = (struct wmi_enable_sched_scan_cmd *) skb->data;
2069	sc->enable = enable ? 1 : 0;
2070
2071	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2072				  WMI_ENABLE_SCHED_SCAN_CMDID,
2073				  NO_SYNC_WMIFLAG);
2074	return ret;
2075}
2076
2077int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
2078			      u16 fg_start_sec,
2079			      u16 fg_end_sec, u16 bg_sec,
2080			      u16 minact_chdw_msec, u16 maxact_chdw_msec,
2081			      u16 pas_chdw_msec, u8 short_scan_ratio,
2082			      u8 scan_ctrl_flag, u32 max_dfsch_act_time,
2083			      u16 maxact_scan_per_ssid)
2084{
2085	struct sk_buff *skb;
2086	struct wmi_scan_params_cmd *sc;
2087	int ret;
2088
2089	skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2090	if (!skb)
2091		return -ENOMEM;
2092
2093	sc = (struct wmi_scan_params_cmd *) skb->data;
2094	sc->fg_start_period = cpu_to_le16(fg_start_sec);
2095	sc->fg_end_period = cpu_to_le16(fg_end_sec);
2096	sc->bg_period = cpu_to_le16(bg_sec);
2097	sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
2098	sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
2099	sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
2100	sc->short_scan_ratio = short_scan_ratio;
2101	sc->scan_ctrl_flags = scan_ctrl_flag;
2102	sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
2103	sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
2104
2105	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
2106				  NO_SYNC_WMIFLAG);
2107	return ret;
2108}
2109
2110int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
2111{
2112	struct sk_buff *skb;
2113	struct wmi_bss_filter_cmd *cmd;
2114	int ret;
2115
2116	if (filter >= LAST_BSS_FILTER)
2117		return -EINVAL;
2118
2119	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2120	if (!skb)
2121		return -ENOMEM;
2122
2123	cmd = (struct wmi_bss_filter_cmd *) skb->data;
2124	cmd->bss_filter = filter;
2125	cmd->ie_mask = cpu_to_le32(ie_mask);
2126
2127	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
2128				  NO_SYNC_WMIFLAG);
2129	return ret;
2130}
2131
2132int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2133			      u8 ssid_len, u8 *ssid)
2134{
2135	struct sk_buff *skb;
2136	struct wmi_probed_ssid_cmd *cmd;
2137	int ret;
2138
2139	if (index >= MAX_PROBED_SSIDS)
2140		return -EINVAL;
2141
2142	if (ssid_len > sizeof(cmd->ssid))
2143		return -EINVAL;
2144
2145	if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2146		return -EINVAL;
2147
2148	if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2149		return -EINVAL;
2150
2151	if (flag & SPECIFIC_SSID_FLAG)
2152		wmi->is_probe_ssid = true;
2153
2154	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2155	if (!skb)
2156		return -ENOMEM;
2157
2158	cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2159	cmd->entry_index = index;
2160	cmd->flag = flag;
2161	cmd->ssid_len = ssid_len;
2162	memcpy(cmd->ssid, ssid, ssid_len);
2163
2164	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2165				  NO_SYNC_WMIFLAG);
2166	return ret;
2167}
2168
2169int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2170				  u16 listen_interval,
2171				  u16 listen_beacons)
2172{
2173	struct sk_buff *skb;
2174	struct wmi_listen_int_cmd *cmd;
2175	int ret;
2176
2177	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2178	if (!skb)
2179		return -ENOMEM;
2180
2181	cmd = (struct wmi_listen_int_cmd *) skb->data;
2182	cmd->listen_intvl = cpu_to_le16(listen_interval);
2183	cmd->num_beacons = cpu_to_le16(listen_beacons);
2184
2185	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2186				  NO_SYNC_WMIFLAG);
2187	return ret;
2188}
2189
2190int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2191			     u16 bmiss_time, u16 num_beacons)
2192{
2193	struct sk_buff *skb;
2194	struct wmi_bmiss_time_cmd *cmd;
2195	int ret;
2196
2197	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2198	if (!skb)
2199		return -ENOMEM;
2200
2201	cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2202	cmd->bmiss_time = cpu_to_le16(bmiss_time);
2203	cmd->num_beacons = cpu_to_le16(num_beacons);
2204
2205	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2206				  NO_SYNC_WMIFLAG);
2207	return ret;
2208}
2209
2210int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2211{
2212	struct sk_buff *skb;
2213	struct wmi_power_mode_cmd *cmd;
2214	int ret;
2215
2216	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2217	if (!skb)
2218		return -ENOMEM;
2219
2220	cmd = (struct wmi_power_mode_cmd *) skb->data;
2221	cmd->pwr_mode = pwr_mode;
2222	wmi->pwr_mode = pwr_mode;
2223
2224	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2225				  NO_SYNC_WMIFLAG);
2226	return ret;
2227}
2228
2229int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2230			    u16 ps_poll_num, u16 dtim_policy,
2231			    u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2232			    u16 ps_fail_event_policy)
2233{
2234	struct sk_buff *skb;
2235	struct wmi_power_params_cmd *pm;
2236	int ret;
2237
2238	skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2239	if (!skb)
2240		return -ENOMEM;
2241
2242	pm = (struct wmi_power_params_cmd *)skb->data;
2243	pm->idle_period = cpu_to_le16(idle_period);
2244	pm->pspoll_number = cpu_to_le16(ps_poll_num);
2245	pm->dtim_policy = cpu_to_le16(dtim_policy);
2246	pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2247	pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2248	pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2249
2250	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2251				  NO_SYNC_WMIFLAG);
2252	return ret;
2253}
2254
2255int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2256{
2257	struct sk_buff *skb;
2258	struct wmi_disc_timeout_cmd *cmd;
2259	int ret;
2260
2261	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2262	if (!skb)
2263		return -ENOMEM;
2264
2265	cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2266	cmd->discon_timeout = timeout;
2267
2268	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2269				  NO_SYNC_WMIFLAG);
2270
2271	if (ret == 0)
2272		ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2273
2274	return ret;
2275}
2276
2277int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2278			  enum crypto_type key_type,
2279			  u8 key_usage, u8 key_len,
2280			  u8 *key_rsc, unsigned int key_rsc_len,
2281			  u8 *key_material,
2282			  u8 key_op_ctrl, u8 *mac_addr,
2283			  enum wmi_sync_flag sync_flag)
2284{
2285	struct sk_buff *skb;
2286	struct wmi_add_cipher_key_cmd *cmd;
2287	int ret;
2288
2289	ath6kl_dbg(ATH6KL_DBG_WMI,
2290		   "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2291		   key_index, key_type, key_usage, key_len, key_op_ctrl);
2292
2293	if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2294	    (key_material == NULL) || key_rsc_len > 8)
2295		return -EINVAL;
2296
2297	if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2298		return -EINVAL;
2299
2300	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2301	if (!skb)
2302		return -ENOMEM;
2303
2304	cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2305	cmd->key_index = key_index;
2306	cmd->key_type = key_type;
2307	cmd->key_usage = key_usage;
2308	cmd->key_len = key_len;
2309	memcpy(cmd->key, key_material, key_len);
2310
2311	if (key_rsc != NULL)
2312		memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2313
2314	cmd->key_op_ctrl = key_op_ctrl;
2315
2316	if (mac_addr)
2317		memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2318
2319	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2320				  sync_flag);
2321
2322	return ret;
2323}
2324
2325int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk)
2326{
2327	struct sk_buff *skb;
2328	struct wmi_add_krk_cmd *cmd;
2329	int ret;
2330
2331	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2332	if (!skb)
2333		return -ENOMEM;
2334
2335	cmd = (struct wmi_add_krk_cmd *) skb->data;
2336	memcpy(cmd->krk, krk, WMI_KRK_LEN);
2337
2338	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2339				  NO_SYNC_WMIFLAG);
2340
2341	return ret;
2342}
2343
2344int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2345{
2346	struct sk_buff *skb;
2347	struct wmi_delete_cipher_key_cmd *cmd;
2348	int ret;
2349
2350	if (key_index > WMI_MAX_KEY_INDEX)
2351		return -EINVAL;
2352
2353	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2354	if (!skb)
2355		return -ENOMEM;
2356
2357	cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2358	cmd->key_index = key_index;
2359
2360	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2361				  NO_SYNC_WMIFLAG);
2362
2363	return ret;
2364}
2365
2366int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2367			    const u8 *pmkid, bool set)
2368{
2369	struct sk_buff *skb;
2370	struct wmi_setpmkid_cmd *cmd;
2371	int ret;
2372
2373	if (bssid == NULL)
2374		return -EINVAL;
2375
2376	if (set && pmkid == NULL)
2377		return -EINVAL;
2378
2379	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2380	if (!skb)
2381		return -ENOMEM;
2382
2383	cmd = (struct wmi_setpmkid_cmd *) skb->data;
2384	memcpy(cmd->bssid, bssid, ETH_ALEN);
2385	if (set) {
2386		memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2387		cmd->enable = PMKID_ENABLE;
2388	} else {
2389		memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2390		cmd->enable = PMKID_DISABLE;
2391	}
2392
2393	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2394				  NO_SYNC_WMIFLAG);
2395
2396	return ret;
2397}
2398
2399static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2400			      enum htc_endpoint_id ep_id, u8 if_idx)
2401{
2402	struct wmi_data_hdr *data_hdr;
2403	int ret;
2404
2405	if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {
2406		dev_kfree_skb(skb);
2407		return -EINVAL;
2408	}
2409
2410	skb_push(skb, sizeof(struct wmi_data_hdr));
2411
2412	data_hdr = (struct wmi_data_hdr *) skb->data;
2413	data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2414	data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2415
2416	ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2417
2418	return ret;
2419}
2420
2421static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2422{
2423	struct sk_buff *skb;
2424	struct wmi_sync_cmd *cmd;
2425	struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2426	enum htc_endpoint_id ep_id;
2427	u8 index, num_pri_streams = 0;
2428	int ret = 0;
2429
2430	memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2431
2432	spin_lock_bh(&wmi->lock);
2433
2434	for (index = 0; index < WMM_NUM_AC; index++) {
2435		if (wmi->fat_pipe_exist & (1 << index)) {
2436			num_pri_streams++;
2437			data_sync_bufs[num_pri_streams - 1].traffic_class =
2438			    index;
2439		}
2440	}
2441
2442	spin_unlock_bh(&wmi->lock);
2443
2444	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2445	if (!skb)
2446		return -ENOMEM;
2447
2448	cmd = (struct wmi_sync_cmd *) skb->data;
2449
2450	/*
2451	 * In the SYNC cmd sent on the control Ep, send a bitmap
2452	 * of the data eps on which the Data Sync will be sent
2453	 */
2454	cmd->data_sync_map = wmi->fat_pipe_exist;
2455
2456	for (index = 0; index < num_pri_streams; index++) {
2457		data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2458		if (data_sync_bufs[index].skb == NULL) {
2459			ret = -ENOMEM;
2460			break;
2461		}
2462	}
2463
2464	/*
2465	 * If buffer allocation for any of the dataSync fails,
2466	 * then do not send the Synchronize cmd on the control ep
2467	 */
2468	if (ret)
2469		goto free_cmd_skb;
2470
2471	/*
2472	 * Send sync cmd followed by sync data messages on all
2473	 * endpoints being used
2474	 */
2475	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2476				  NO_SYNC_WMIFLAG);
2477
2478	if (ret)
2479		goto free_data_skb;
2480
2481	for (index = 0; index < num_pri_streams; index++) {
2482
2483		if (WARN_ON(!data_sync_bufs[index].skb))
2484			goto free_data_skb;
2485
2486		ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2487					       data_sync_bufs[index].
2488					       traffic_class);
2489		ret =
2490		    ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2491					      ep_id, if_idx);
2492
2493		data_sync_bufs[index].skb = NULL;
2494
2495		if (ret)
2496			goto free_data_skb;
2497	}
2498
2499	return 0;
2500
2501free_cmd_skb:
2502	/* free up any resources left over (possibly due to an error) */
2503	dev_kfree_skb(skb);
2504
2505free_data_skb:
2506	for (index = 0; index < num_pri_streams; index++)
2507		dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].skb);
2508
2509	return ret;
2510}
2511
2512int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2513				  struct wmi_create_pstream_cmd *params)
2514{
2515	struct sk_buff *skb;
2516	struct wmi_create_pstream_cmd *cmd;
2517	u8 fatpipe_exist_for_ac = 0;
2518	s32 min_phy = 0;
2519	s32 nominal_phy = 0;
2520	int ret;
2521
2522	if (!((params->user_pri < 8) &&
2523	      (params->user_pri <= 0x7) &&
2524	      (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2525	      (params->traffic_direc == UPLINK_TRAFFIC ||
2526	       params->traffic_direc == DNLINK_TRAFFIC ||
2527	       params->traffic_direc == BIDIR_TRAFFIC) &&
2528	      (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2529	       params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2530	      (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2531	       params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2532	       params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2533	      (params->tsid == WMI_IMPLICIT_PSTREAM ||
2534	       params->tsid <= WMI_MAX_THINSTREAM))) {
2535		return -EINVAL;
2536	}
2537
2538	/*
2539	 * Check nominal PHY rate is >= minimalPHY,
2540	 * so that DUT can allow TSRS IE
2541	 */
2542
2543	/* Get the physical rate (units of bps) */
2544	min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2545
2546	/* Check minimal phy < nominal phy rate */
2547	if (params->nominal_phy >= min_phy) {
2548		/* unit of 500 kbps */
2549		nominal_phy = (params->nominal_phy * 1000) / 500;
2550		ath6kl_dbg(ATH6KL_DBG_WMI,
2551			   "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2552			   min_phy, nominal_phy);
2553
2554		params->nominal_phy = nominal_phy;
2555	} else {
2556		params->nominal_phy = 0;
2557	}
2558
2559	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2560	if (!skb)
2561		return -ENOMEM;
2562
2563	ath6kl_dbg(ATH6KL_DBG_WMI,
2564		   "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2565		   params->traffic_class, params->tsid);
2566
2567	cmd = (struct wmi_create_pstream_cmd *) skb->data;
2568	memcpy(cmd, params, sizeof(*cmd));
2569
2570	/* This is an implicitly created Fat pipe */
2571	if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2572		spin_lock_bh(&wmi->lock);
2573		fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2574					(1 << params->traffic_class));
2575		wmi->fat_pipe_exist |= (1 << params->traffic_class);
2576		spin_unlock_bh(&wmi->lock);
2577	} else {
2578		/* explicitly created thin stream within a fat pipe */
2579		spin_lock_bh(&wmi->lock);
2580		fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2581					(1 << params->traffic_class));
2582		wmi->stream_exist_for_ac[params->traffic_class] |=
2583		    (1 << params->tsid);
2584		/*
2585		 * If a thinstream becomes active, the fat pipe automatically
2586		 * becomes active
2587		 */
2588		wmi->fat_pipe_exist |= (1 << params->traffic_class);
2589		spin_unlock_bh(&wmi->lock);
2590	}
2591
2592	/*
2593	 * Indicate activty change to driver layer only if this is the
2594	 * first TSID to get created in this AC explicitly or an implicit
2595	 * fat pipe is getting created.
2596	 */
2597	if (!fatpipe_exist_for_ac)
2598		ath6kl_indicate_tx_activity(wmi->parent_dev,
2599					    params->traffic_class, true);
2600
2601	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2602				  NO_SYNC_WMIFLAG);
2603	return ret;
2604}
2605
2606int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2607				  u8 tsid)
2608{
2609	struct sk_buff *skb;
2610	struct wmi_delete_pstream_cmd *cmd;
2611	u16 active_tsids = 0;
2612	int ret;
2613
2614	if (traffic_class > 3) {
2615		ath6kl_err("invalid traffic class: %d\n", traffic_class);
2616		return -EINVAL;
2617	}
2618
2619	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2620	if (!skb)
2621		return -ENOMEM;
2622
2623	cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2624	cmd->traffic_class = traffic_class;
2625	cmd->tsid = tsid;
2626
2627	spin_lock_bh(&wmi->lock);
2628	active_tsids = wmi->stream_exist_for_ac[traffic_class];
2629	spin_unlock_bh(&wmi->lock);
2630
2631	if (!(active_tsids & (1 << tsid))) {
2632		dev_kfree_skb(skb);
2633		ath6kl_dbg(ATH6KL_DBG_WMI,
2634			   "TSID %d doesn't exist for traffic class: %d\n",
2635			   tsid, traffic_class);
2636		return -ENODATA;
2637	}
2638
2639	ath6kl_dbg(ATH6KL_DBG_WMI,
2640		   "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2641		   traffic_class, tsid);
2642
2643	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2644				  SYNC_BEFORE_WMIFLAG);
2645
2646	spin_lock_bh(&wmi->lock);
2647	wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2648	active_tsids = wmi->stream_exist_for_ac[traffic_class];
2649	spin_unlock_bh(&wmi->lock);
2650
2651	/*
2652	 * Indicate stream inactivity to driver layer only if all tsids
2653	 * within this AC are deleted.
2654	 */
2655	if (!active_tsids) {
2656		ath6kl_indicate_tx_activity(wmi->parent_dev,
2657					    traffic_class, false);
2658		wmi->fat_pipe_exist &= ~(1 << traffic_class);
2659	}
2660
2661	return ret;
2662}
2663
2664int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2665			  __be32 ips0, __be32 ips1)
2666{
2667	struct sk_buff *skb;
2668	struct wmi_set_ip_cmd *cmd;
2669	int ret;
2670
2671	/* Multicast address are not valid */
2672	if (ipv4_is_multicast(ips0) ||
2673	    ipv4_is_multicast(ips1))
2674		return -EINVAL;
2675
2676	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2677	if (!skb)
2678		return -ENOMEM;
2679
2680	cmd = (struct wmi_set_ip_cmd *) skb->data;
2681	cmd->ips[0] = ips0;
2682	cmd->ips[1] = ips1;
2683
2684	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2685				  NO_SYNC_WMIFLAG);
2686	return ret;
2687}
2688
2689static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2690{
2691	u16 active_tsids;
2692	u8 stream_exist;
2693	int i;
2694
2695	/*
2696	 * Relinquish credits from all implicitly created pstreams
2697	 * since when we go to sleep. If user created explicit
2698	 * thinstreams exists with in a fatpipe leave them intact
2699	 * for the user to delete.
2700	 */
2701	spin_lock_bh(&wmi->lock);
2702	stream_exist = wmi->fat_pipe_exist;
2703	spin_unlock_bh(&wmi->lock);
2704
2705	for (i = 0; i < WMM_NUM_AC; i++) {
2706		if (stream_exist & (1 << i)) {
2707
2708			/*
2709			 * FIXME: Is this lock & unlock inside
2710			 * for loop correct? may need rework.
2711			 */
2712			spin_lock_bh(&wmi->lock);
2713			active_tsids = wmi->stream_exist_for_ac[i];
2714			spin_unlock_bh(&wmi->lock);
2715
2716			/*
2717			 * If there are no user created thin streams
2718			 * delete the fatpipe
2719			 */
2720			if (!active_tsids) {
2721				stream_exist &= ~(1 << i);
2722				/*
2723				 * Indicate inactivity to driver layer for
2724				 * this fatpipe (pstream)
2725				 */
2726				ath6kl_indicate_tx_activity(wmi->parent_dev,
2727							    i, false);
2728			}
2729		}
2730	}
2731
2732	/* FIXME: Can we do this assignment without locking ? */
2733	spin_lock_bh(&wmi->lock);
2734	wmi->fat_pipe_exist = stream_exist;
2735	spin_unlock_bh(&wmi->lock);
2736}
2737
2738static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2739				     const struct cfg80211_bitrate_mask *mask)
2740{
2741	struct sk_buff *skb;
2742	int ret, mode, band;
2743	u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2744	struct wmi_set_tx_select_rates64_cmd *cmd;
2745
2746	memset(&ratemask, 0, sizeof(ratemask));
2747
2748	/* only check 2.4 and 5 GHz bands, skip the rest */
2749	for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2750		/* copy legacy rate mask */
2751		ratemask[band] = mask->control[band].legacy;
2752		if (band == IEEE80211_BAND_5GHZ)
2753			ratemask[band] =
2754				mask->control[band].legacy << 4;
2755
2756		/* copy mcs rate mask */
2757		mcsrate = mask->control[band].ht_mcs[1];
2758		mcsrate <<= 8;
2759		mcsrate |= mask->control[band].ht_mcs[0];
2760		ratemask[band] |= mcsrate << 12;
2761		ratemask[band] |= mcsrate << 28;
2762	}
2763
2764	ath6kl_dbg(ATH6KL_DBG_WMI,
2765		   "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2766		   ratemask[0], ratemask[1]);
2767
2768	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2769	if (!skb)
2770		return -ENOMEM;
2771
2772	cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2773	for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2774		/* A mode operate in 5GHZ band */
2775		if (mode == WMI_RATES_MODE_11A ||
2776		    mode == WMI_RATES_MODE_11A_HT20 ||
2777		    mode == WMI_RATES_MODE_11A_HT40)
2778			band = IEEE80211_BAND_5GHZ;
2779		else
2780			band = IEEE80211_BAND_2GHZ;
2781		cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2782	}
2783
2784	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2785				  WMI_SET_TX_SELECT_RATES_CMDID,
2786				  NO_SYNC_WMIFLAG);
2787	return ret;
2788}
2789
2790static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2791				     const struct cfg80211_bitrate_mask *mask)
2792{
2793	struct sk_buff *skb;
2794	int ret, mode, band;
2795	u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2796	struct wmi_set_tx_select_rates32_cmd *cmd;
2797
2798	memset(&ratemask, 0, sizeof(ratemask));
2799
2800	/* only check 2.4 and 5 GHz bands, skip the rest */
2801	for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2802		/* copy legacy rate mask */
2803		ratemask[band] = mask->control[band].legacy;
2804		if (band == IEEE80211_BAND_5GHZ)
2805			ratemask[band] =
2806				mask->control[band].legacy << 4;
2807
2808		/* copy mcs rate mask */
2809		mcsrate = mask->control[band].ht_mcs[0];
2810		ratemask[band] |= mcsrate << 12;
2811		ratemask[band] |= mcsrate << 20;
2812	}
2813
2814	ath6kl_dbg(ATH6KL_DBG_WMI,
2815		   "Ratemask 32 bit: 2.4:%x 5:%x\n",
2816		   ratemask[0], ratemask[1]);
2817
2818	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2819	if (!skb)
2820		return -ENOMEM;
2821
2822	cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2823	for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2824		/* A mode operate in 5GHZ band */
2825		if (mode == WMI_RATES_MODE_11A ||
2826		    mode == WMI_RATES_MODE_11A_HT20 ||
2827		    mode == WMI_RATES_MODE_11A_HT40)
2828			band = IEEE80211_BAND_5GHZ;
2829		else
2830			band = IEEE80211_BAND_2GHZ;
2831		cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2832	}
2833
2834	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2835				  WMI_SET_TX_SELECT_RATES_CMDID,
2836				  NO_SYNC_WMIFLAG);
2837	return ret;
2838}
2839
2840int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2841				const struct cfg80211_bitrate_mask *mask)
2842{
2843	struct ath6kl *ar = wmi->parent_dev;
2844
2845	if (ar->hw.flags & ATH6KL_HW_64BIT_RATES)
2846		return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
2847	else
2848		return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
2849}
2850
2851int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2852				       enum ath6kl_host_mode host_mode)
2853{
2854	struct sk_buff *skb;
2855	struct wmi_set_host_sleep_mode_cmd *cmd;
2856	int ret;
2857
2858	if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2859	    (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2860		ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2861		return -EINVAL;
2862	}
2863
2864	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2865	if (!skb)
2866		return -ENOMEM;
2867
2868	cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2869
2870	if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2871		ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2872		cmd->asleep = cpu_to_le32(1);
2873	} else
2874		cmd->awake = cpu_to_le32(1);
2875
2876	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2877				  WMI_SET_HOST_SLEEP_MODE_CMDID,
2878				  NO_SYNC_WMIFLAG);
2879	return ret;
2880}
2881
2882/* This command has zero length payload */
2883static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2884						      struct ath6kl_vif *vif)
2885{
2886	struct ath6kl *ar = wmi->parent_dev;
2887
2888	set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2889	wake_up(&ar->event_wq);
2890
2891	return 0;
2892}
2893
2894int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2895				enum ath6kl_wow_mode wow_mode,
2896				u32 filter, u16 host_req_delay)
2897{
2898	struct sk_buff *skb;
2899	struct wmi_set_wow_mode_cmd *cmd;
2900	int ret;
2901
2902	if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2903	    wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2904		ath6kl_err("invalid wow mode: %d\n", wow_mode);
2905		return -EINVAL;
2906	}
2907
2908	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2909	if (!skb)
2910		return -ENOMEM;
2911
2912	cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2913	cmd->enable_wow = cpu_to_le32(wow_mode);
2914	cmd->filter = cpu_to_le32(filter);
2915	cmd->host_req_delay = cpu_to_le16(host_req_delay);
2916
2917	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2918				  NO_SYNC_WMIFLAG);
2919	return ret;
2920}
2921
2922int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2923				   u8 list_id, u8 filter_size,
2924				   u8 filter_offset, const u8 *filter,
2925				   const u8 *mask)
2926{
2927	struct sk_buff *skb;
2928	struct wmi_add_wow_pattern_cmd *cmd;
2929	u16 size;
2930	u8 *filter_mask;
2931	int ret;
2932
2933	/*
2934	 * Allocate additional memory in the buffer to hold
2935	 * filter and mask value, which is twice of filter_size.
2936	 */
2937	size = sizeof(*cmd) + (2 * filter_size);
2938
2939	skb = ath6kl_wmi_get_new_buf(size);
2940	if (!skb)
2941		return -ENOMEM;
2942
2943	cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2944	cmd->filter_list_id = list_id;
2945	cmd->filter_size = filter_size;
2946	cmd->filter_offset = filter_offset;
2947
2948	memcpy(cmd->filter, filter, filter_size);
2949
2950	filter_mask = (u8 *) (cmd->filter + filter_size);
2951	memcpy(filter_mask, mask, filter_size);
2952
2953	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2954				  NO_SYNC_WMIFLAG);
2955
2956	return ret;
2957}
2958
2959int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2960				   u16 list_id, u16 filter_id)
2961{
2962	struct sk_buff *skb;
2963	struct wmi_del_wow_pattern_cmd *cmd;
2964	int ret;
2965
2966	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2967	if (!skb)
2968		return -ENOMEM;
2969
2970	cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2971	cmd->filter_list_id = cpu_to_le16(list_id);
2972	cmd->filter_id = cpu_to_le16(filter_id);
2973
2974	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2975				  NO_SYNC_WMIFLAG);
2976	return ret;
2977}
2978
2979static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2980				    enum wmix_command_id cmd_id,
2981				    enum wmi_sync_flag sync_flag)
2982{
2983	struct wmix_cmd_hdr *cmd_hdr;
2984	int ret;
2985
2986	skb_push(skb, sizeof(struct wmix_cmd_hdr));
2987
2988	cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2989	cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2990
2991	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
2992
2993	return ret;
2994}
2995
2996int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2997{
2998	struct sk_buff *skb;
2999	struct wmix_hb_challenge_resp_cmd *cmd;
3000	int ret;
3001
3002	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3003	if (!skb)
3004		return -ENOMEM;
3005
3006	cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
3007	cmd->cookie = cpu_to_le32(cookie);
3008	cmd->source = cpu_to_le32(source);
3009
3010	ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
3011				       NO_SYNC_WMIFLAG);
3012	return ret;
3013}
3014
3015int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
3016{
3017	struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
3018	struct sk_buff *skb;
3019	int ret;
3020
3021	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3022	if (!skb)
3023		return -ENOMEM;
3024
3025	cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
3026	cmd->valid = cpu_to_le32(valid);
3027	cmd->config = cpu_to_le32(config);
3028
3029	ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
3030				       NO_SYNC_WMIFLAG);
3031	return ret;
3032}
3033
3034int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
3035{
3036	return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
3037}
3038
3039int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
3040{
3041	struct sk_buff *skb;
3042	struct wmi_set_tx_pwr_cmd *cmd;
3043	int ret;
3044
3045	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
3046	if (!skb)
3047		return -ENOMEM;
3048
3049	cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
3050	cmd->dbM = dbM;
3051
3052	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
3053				  NO_SYNC_WMIFLAG);
3054
3055	return ret;
3056}
3057
3058int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
3059{
3060	return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
3061}
3062
3063int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
3064{
3065	return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
3066}
3067
3068int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
3069				 u8 preamble_policy)
3070{
3071	struct sk_buff *skb;
3072	struct wmi_set_lpreamble_cmd *cmd;
3073	int ret;
3074
3075	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
3076	if (!skb)
3077		return -ENOMEM;
3078
3079	cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
3080	cmd->status = status;
3081	cmd->preamble_policy = preamble_policy;
3082
3083	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
3084				  NO_SYNC_WMIFLAG);
3085	return ret;
3086}
3087
3088int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
3089{
3090	struct sk_buff *skb;
3091	struct wmi_set_rts_cmd *cmd;
3092	int ret;
3093
3094	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
3095	if (!skb)
3096		return -ENOMEM;
3097
3098	cmd = (struct wmi_set_rts_cmd *) skb->data;
3099	cmd->threshold = cpu_to_le16(threshold);
3100
3101	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
3102				  NO_SYNC_WMIFLAG);
3103	return ret;
3104}
3105
3106int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
3107{
3108	struct sk_buff *skb;
3109	struct wmi_set_wmm_txop_cmd *cmd;
3110	int ret;
3111
3112	if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
3113		return -EINVAL;
3114
3115	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
3116	if (!skb)
3117		return -ENOMEM;
3118
3119	cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
3120	cmd->txop_enable = cfg;
3121
3122	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
3123				  NO_SYNC_WMIFLAG);
3124	return ret;
3125}
3126
3127int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3128				 u8 keep_alive_intvl)
3129{
3130	struct sk_buff *skb;
3131	struct wmi_set_keepalive_cmd *cmd;
3132	int ret;
3133
3134	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3135	if (!skb)
3136		return -ENOMEM;
3137
3138	cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3139	cmd->keep_alive_intvl = keep_alive_intvl;
3140
3141	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
3142				  NO_SYNC_WMIFLAG);
3143
3144	if (ret == 0)
3145		ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
3146
3147	return ret;
3148}
3149
3150int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3151			     enum ieee80211_band band,
3152			     struct ath6kl_htcap *htcap)
3153{
3154	struct sk_buff *skb;
3155	struct wmi_set_htcap_cmd *cmd;
3156
3157	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3158	if (!skb)
3159		return -ENOMEM;
3160
3161	cmd = (struct wmi_set_htcap_cmd *) skb->data;
3162
3163	/*
3164	 * NOTE: Band in firmware matches enum ieee80211_band, it is unlikely
3165	 * this will be changed in firmware. If at all there is any change in
3166	 * band value, the host needs to be fixed.
3167	 */
3168	cmd->band = band;
3169	cmd->ht_enable = !!htcap->ht_enable;
3170	cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3171	cmd->ht40_supported =
3172		!!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3173	cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3174	cmd->intolerant_40mhz =
3175		!!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3176	cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3177
3178	ath6kl_dbg(ATH6KL_DBG_WMI,
3179		   "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3180		   cmd->band, cmd->ht_enable, cmd->ht40_supported,
3181		   cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3182		   cmd->max_ampdu_len_exp);
3183	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
3184				   NO_SYNC_WMIFLAG);
3185}
3186
3187int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3188{
3189	struct sk_buff *skb;
3190	int ret;
3191
3192	skb = ath6kl_wmi_get_new_buf(len);
3193	if (!skb)
3194		return -ENOMEM;
3195
3196	memcpy(skb->data, buf, len);
3197
3198	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
3199
3200	return ret;
3201}
3202
3203int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3204{
3205	struct sk_buff *skb;
3206	struct wmi_mcast_filter_cmd *cmd;
3207	int ret;
3208
3209	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3210	if (!skb)
3211		return -ENOMEM;
3212
3213	cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3214	cmd->mcast_all_enable = mc_all_on;
3215
3216	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
3217				  NO_SYNC_WMIFLAG);
3218	return ret;
3219}
3220
3221int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3222					u8 *filter, bool add_filter)
3223{
3224	struct sk_buff *skb;
3225	struct wmi_mcast_filter_add_del_cmd *cmd;
3226	int ret;
3227
3228	if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3229	    (filter[0] != 0x01 || filter[1] != 0x00 ||
3230	    filter[2] != 0x5e || filter[3] > 0x7f)) {
3231		ath6kl_warn("invalid multicast filter address\n");
3232		return -EINVAL;
3233	}
3234
3235	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3236	if (!skb)
3237		return -ENOMEM;
3238
3239	cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3240	memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3241	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3242				  add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3243				  WMI_DEL_MCAST_FILTER_CMDID,
3244				  NO_SYNC_WMIFLAG);
3245
3246	return ret;
3247}
3248
3249int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3250{
3251	struct sk_buff *skb;
3252	struct wmi_sta_bmiss_enhance_cmd *cmd;
3253	int ret;
3254
3255	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3256	if (!skb)
3257		return -ENOMEM;
3258
3259	cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data;
3260	cmd->enable = enhance ? 1 : 0;
3261
3262	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3263				  WMI_STA_BMISS_ENHANCE_CMDID,
3264				  NO_SYNC_WMIFLAG);
3265	return ret;
3266}
3267
3268int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
3269{
3270	struct sk_buff *skb;
3271	struct wmi_set_regdomain_cmd *cmd;
3272
3273	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3274	if (!skb)
3275		return -ENOMEM;
3276
3277	cmd = (struct wmi_set_regdomain_cmd *) skb->data;
3278	memcpy(cmd->iso_name, alpha2, 2);
3279
3280	return ath6kl_wmi_cmd_send(wmi, 0, skb,
3281				   WMI_SET_REGDOMAIN_CMDID,
3282				   NO_SYNC_WMIFLAG);
3283}
3284
3285s32 ath6kl_wmi_get_rate(s8 rate_index)
3286{
3287	u8 sgi = 0;
3288
3289	if (rate_index == RATE_AUTO)
3290		return 0;
3291
3292	/* SGI is stored as the MSB of the rate_index */
3293	if (rate_index & RATE_INDEX_MSB) {
3294		rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;
3295		sgi = 1;
3296	}
3297
3298	if (WARN_ON(rate_index > RATE_MCS_7_40))
3299		rate_index = RATE_MCS_7_40;
3300
3301	return wmi_rate_tbl[(u32) rate_index][sgi];
3302}
3303
3304static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3305					      u32 len)
3306{
3307	struct wmi_pmkid_list_reply *reply;
3308	u32 expected_len;
3309
3310	if (len < sizeof(struct wmi_pmkid_list_reply))
3311		return -EINVAL;
3312
3313	reply = (struct wmi_pmkid_list_reply *)datap;
3314	expected_len = sizeof(reply->num_pmkid) +
3315		le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3316
3317	if (len < expected_len)
3318		return -EINVAL;
3319
3320	return 0;
3321}
3322
3323static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3324					 struct ath6kl_vif *vif)
3325{
3326	struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3327
3328	aggr_recv_addba_req_evt(vif, cmd->tid,
3329				le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
3330
3331	return 0;
3332}
3333
3334static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3335					 struct ath6kl_vif *vif)
3336{
3337	struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3338
3339	aggr_recv_delba_req_evt(vif, cmd->tid);
3340
3341	return 0;
3342}
3343
3344/*  AP mode functions */
3345
3346int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3347				 struct wmi_connect_cmd *p)
3348{
3349	struct sk_buff *skb;
3350	struct wmi_connect_cmd *cm;
3351	int res;
3352
3353	skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3354	if (!skb)
3355		return -ENOMEM;
3356
3357	cm = (struct wmi_connect_cmd *) skb->data;
3358	memcpy(cm, p, sizeof(*cm));
3359
3360	res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3361				  NO_SYNC_WMIFLAG);
3362	ath6kl_dbg(ATH6KL_DBG_WMI,
3363		   "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3364		   __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3365		   le32_to_cpu(p->ctrl_flags), res);
3366	return res;
3367}
3368
3369int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3370			   u16 reason)
3371{
3372	struct sk_buff *skb;
3373	struct wmi_ap_set_mlme_cmd *cm;
3374
3375	skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3376	if (!skb)
3377		return -ENOMEM;
3378
3379	cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3380	memcpy(cm->mac, mac, ETH_ALEN);
3381	cm->reason = cpu_to_le16(reason);
3382	cm->cmd = cmd;
3383
3384	ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3385		   cm->reason);
3386
3387	return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3388				   NO_SYNC_WMIFLAG);
3389}
3390
3391int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3392{
3393	struct sk_buff *skb;
3394	struct wmi_ap_hidden_ssid_cmd *cmd;
3395
3396	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3397	if (!skb)
3398		return -ENOMEM;
3399
3400	cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3401	cmd->hidden_ssid = enable ? 1 : 0;
3402
3403	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3404				   NO_SYNC_WMIFLAG);
3405}
3406
3407/* This command will be used to enable/disable AP uAPSD feature */
3408int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3409{
3410	struct wmi_ap_set_apsd_cmd *cmd;
3411	struct sk_buff *skb;
3412
3413	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3414	if (!skb)
3415		return -ENOMEM;
3416
3417	cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3418	cmd->enable = enable;
3419
3420	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3421				   NO_SYNC_WMIFLAG);
3422}
3423
3424int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3425					     u16 aid, u16 bitmap, u32 flags)
3426{
3427	struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3428	struct sk_buff *skb;
3429
3430	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3431	if (!skb)
3432		return -ENOMEM;
3433
3434	cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3435	cmd->aid = cpu_to_le16(aid);
3436	cmd->bitmap = cpu_to_le16(bitmap);
3437	cmd->flags = cpu_to_le32(flags);
3438
3439	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3440				   WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3441				   NO_SYNC_WMIFLAG);
3442}
3443
3444static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3445				      struct ath6kl_vif *vif)
3446{
3447	struct wmi_pspoll_event *ev;
3448
3449	if (len < sizeof(struct wmi_pspoll_event))
3450		return -EINVAL;
3451
3452	ev = (struct wmi_pspoll_event *) datap;
3453
3454	ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3455
3456	return 0;
3457}
3458
3459static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3460					  struct ath6kl_vif *vif)
3461{
3462	ath6kl_dtimexpiry_event(vif);
3463
3464	return 0;
3465}
3466
3467int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3468			   bool flag)
3469{
3470	struct sk_buff *skb;
3471	struct wmi_ap_set_pvb_cmd *cmd;
3472	int ret;
3473
3474	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3475	if (!skb)
3476		return -ENOMEM;
3477
3478	cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3479	cmd->aid = cpu_to_le16(aid);
3480	cmd->rsvd = cpu_to_le16(0);
3481	cmd->flag = cpu_to_le32(flag);
3482
3483	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3484				  NO_SYNC_WMIFLAG);
3485
3486	return 0;
3487}
3488
3489int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3490				       u8 rx_meta_ver,
3491				       bool rx_dot11_hdr, bool defrag_on_host)
3492{
3493	struct sk_buff *skb;
3494	struct wmi_rx_frame_format_cmd *cmd;
3495	int ret;
3496
3497	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3498	if (!skb)
3499		return -ENOMEM;
3500
3501	cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3502	cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3503	cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3504	cmd->meta_ver = rx_meta_ver;
3505
3506	/* Delete the local aggr state, on host */
3507	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3508				  NO_SYNC_WMIFLAG);
3509
3510	return ret;
3511}
3512
3513int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3514			     const u8 *ie, u8 ie_len)
3515{
3516	struct sk_buff *skb;
3517	struct wmi_set_appie_cmd *p;
3518
3519	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3520	if (!skb)
3521		return -ENOMEM;
3522
3523	ath6kl_dbg(ATH6KL_DBG_WMI,
3524		   "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3525		   mgmt_frm_type, ie_len);
3526	p = (struct wmi_set_appie_cmd *) skb->data;
3527	p->mgmt_frm_type = mgmt_frm_type;
3528	p->ie_len = ie_len;
3529
3530	if (ie != NULL && ie_len > 0)
3531		memcpy(p->ie_info, ie, ie_len);
3532
3533	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3534				   NO_SYNC_WMIFLAG);
3535}
3536
3537int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3538			  const u8 *ie_info, u8 ie_len)
3539{
3540	struct sk_buff *skb;
3541	struct wmi_set_ie_cmd *p;
3542
3543	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3544	if (!skb)
3545		return -ENOMEM;
3546
3547	ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3548		   ie_id, ie_field, ie_len);
3549	p = (struct wmi_set_ie_cmd *) skb->data;
3550	p->ie_id = ie_id;
3551	p->ie_field = ie_field;
3552	p->ie_len = ie_len;
3553	if (ie_info && ie_len > 0)
3554		memcpy(p->ie_info, ie_info, ie_len);
3555
3556	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,
3557				   NO_SYNC_WMIFLAG);
3558}
3559
3560int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3561{
3562	struct sk_buff *skb;
3563	struct wmi_disable_11b_rates_cmd *cmd;
3564
3565	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3566	if (!skb)
3567		return -ENOMEM;
3568
3569	ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3570		   disable);
3571	cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3572	cmd->disable = disable ? 1 : 0;
3573
3574	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3575				   NO_SYNC_WMIFLAG);
3576}
3577
3578int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3579{
3580	struct sk_buff *skb;
3581	struct wmi_remain_on_chnl_cmd *p;
3582
3583	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3584	if (!skb)
3585		return -ENOMEM;
3586
3587	ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3588		   freq, dur);
3589	p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3590	p->freq = cpu_to_le32(freq);
3591	p->duration = cpu_to_le32(dur);
3592	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3593				   NO_SYNC_WMIFLAG);
3594}
3595
3596/* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3597 * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3598 * mgmt operations using station interface.
3599 */
3600static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3601				      u32 freq, u32 wait, const u8 *data,
3602				      u16 data_len)
3603{
3604	struct sk_buff *skb;
3605	struct wmi_send_action_cmd *p;
3606	u8 *buf;
3607
3608	if (wait)
3609		return -EINVAL; /* Offload for wait not supported */
3610
3611	buf = kmalloc(data_len, GFP_KERNEL);
3612	if (!buf)
3613		return -ENOMEM;
3614
3615	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3616	if (!skb) {
3617		kfree(buf);
3618		return -ENOMEM;
3619	}
3620
3621	kfree(wmi->last_mgmt_tx_frame);
3622	memcpy(buf, data, data_len);
3623	wmi->last_mgmt_tx_frame = buf;
3624	wmi->last_mgmt_tx_frame_len = data_len;
3625
3626	ath6kl_dbg(ATH6KL_DBG_WMI,
3627		   "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3628		   id, freq, wait, data_len);
3629	p = (struct wmi_send_action_cmd *) skb->data;
3630	p->id = cpu_to_le32(id);
3631	p->freq = cpu_to_le32(freq);
3632	p->wait = cpu_to_le32(wait);
3633	p->len = cpu_to_le16(data_len);
3634	memcpy(p->data, data, data_len);
3635	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3636				   NO_SYNC_WMIFLAG);
3637}
3638
3639static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3640				      u32 freq, u32 wait, const u8 *data,
3641				      u16 data_len, u32 no_cck)
3642{
3643	struct sk_buff *skb;
3644	struct wmi_send_mgmt_cmd *p;
3645	u8 *buf;
3646
3647	if (wait)
3648		return -EINVAL; /* Offload for wait not supported */
3649
3650	buf = kmalloc(data_len, GFP_KERNEL);
3651	if (!buf)
3652		return -ENOMEM;
3653
3654	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3655	if (!skb) {
3656		kfree(buf);
3657		return -ENOMEM;
3658	}
3659
3660	kfree(wmi->last_mgmt_tx_frame);
3661	memcpy(buf, data, data_len);
3662	wmi->last_mgmt_tx_frame = buf;
3663	wmi->last_mgmt_tx_frame_len = data_len;
3664
3665	ath6kl_dbg(ATH6KL_DBG_WMI,
3666		   "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3667		   id, freq, wait, data_len);
3668	p = (struct wmi_send_mgmt_cmd *) skb->data;
3669	p->id = cpu_to_le32(id);
3670	p->freq = cpu_to_le32(freq);
3671	p->wait = cpu_to_le32(wait);
3672	p->no_cck = cpu_to_le32(no_cck);
3673	p->len = cpu_to_le16(data_len);
3674	memcpy(p->data, data, data_len);
3675	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3676				   NO_SYNC_WMIFLAG);
3677}
3678
3679int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3680				u32 wait, const u8 *data, u16 data_len,
3681				u32 no_cck)
3682{
3683	int status;
3684	struct ath6kl *ar = wmi->parent_dev;
3685
3686	if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3687		     ar->fw_capabilities)) {
3688		/*
3689		 * If capable of doing P2P mgmt operations using
3690		 * station interface, send additional information like
3691		 * supported rates to advertise and xmit rates for
3692		 * probe requests
3693		 */
3694		status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3695						    wait, data, data_len,
3696						    no_cck);
3697	} else {
3698		status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3699						    wait, data, data_len);
3700	}
3701
3702	return status;
3703}
3704
3705int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3706				       const u8 *dst, const u8 *data,
3707				       u16 data_len)
3708{
3709	struct sk_buff *skb;
3710	struct wmi_p2p_probe_response_cmd *p;
3711	size_t cmd_len = sizeof(*p) + data_len;
3712
3713	if (data_len == 0)
3714		cmd_len++; /* work around target minimum length requirement */
3715
3716	skb = ath6kl_wmi_get_new_buf(cmd_len);
3717	if (!skb)
3718		return -ENOMEM;
3719
3720	ath6kl_dbg(ATH6KL_DBG_WMI,
3721		   "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3722		   freq, dst, data_len);
3723	p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3724	p->freq = cpu_to_le32(freq);
3725	memcpy(p->destination_addr, dst, ETH_ALEN);
3726	p->len = cpu_to_le16(data_len);
3727	memcpy(p->data, data, data_len);
3728	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3729				   WMI_SEND_PROBE_RESPONSE_CMDID,
3730				   NO_SYNC_WMIFLAG);
3731}
3732
3733int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3734{
3735	struct sk_buff *skb;
3736	struct wmi_probe_req_report_cmd *p;
3737
3738	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3739	if (!skb)
3740		return -ENOMEM;
3741
3742	ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3743		   enable);
3744	p = (struct wmi_probe_req_report_cmd *) skb->data;
3745	p->enable = enable ? 1 : 0;
3746	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3747				   NO_SYNC_WMIFLAG);
3748}
3749
3750int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3751{
3752	struct sk_buff *skb;
3753	struct wmi_get_p2p_info *p;
3754
3755	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3756	if (!skb)
3757		return -ENOMEM;
3758
3759	ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3760		   info_req_flags);
3761	p = (struct wmi_get_p2p_info *) skb->data;
3762	p->info_req_flags = cpu_to_le32(info_req_flags);
3763	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3764				   NO_SYNC_WMIFLAG);
3765}
3766
3767int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3768{
3769	ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3770	return ath6kl_wmi_simple_cmd(wmi, if_idx,
3771				     WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3772}
3773
3774int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3775{
3776	struct sk_buff *skb;
3777	struct wmi_set_inact_period_cmd *cmd;
3778
3779	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3780	if (!skb)
3781		return -ENOMEM;
3782
3783	cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3784	cmd->inact_period = cpu_to_le32(inact_timeout);
3785	cmd->num_null_func = 0;
3786
3787	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,
3788				   NO_SYNC_WMIFLAG);
3789}
3790
3791static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,
3792					       int len)
3793{
3794	struct wmix_hb_challenge_resp_cmd *cmd;
3795
3796	if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
3797		return;
3798
3799	cmd = (struct wmix_hb_challenge_resp_cmd *) datap;
3800	ath6kl_recovery_hb_event(wmi->parent_dev,
3801				 le32_to_cpu(cmd->cookie));
3802}
3803
3804static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3805{
3806	struct wmix_cmd_hdr *cmd;
3807	u32 len;
3808	u16 id;
3809	u8 *datap;
3810	int ret = 0;
3811
3812	if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3813		ath6kl_err("bad packet 1\n");
3814		return -EINVAL;
3815	}
3816
3817	cmd = (struct wmix_cmd_hdr *) skb->data;
3818	id = le32_to_cpu(cmd->cmd_id);
3819
3820	skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3821
3822	datap = skb->data;
3823	len = skb->len;
3824
3825	switch (id) {
3826	case WMIX_HB_CHALLENGE_RESP_EVENTID:
3827		ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3828		ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);
3829		break;
3830	case WMIX_DBGLOG_EVENTID:
3831		ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3832		ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3833		break;
3834	default:
3835		ath6kl_warn("unknown cmd id 0x%x\n", id);
3836		ret = -EINVAL;
3837		break;
3838	}
3839
3840	return ret;
3841}
3842
3843static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3844{
3845	return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3846}
3847
3848/* Process interface specific wmi events, caller would free the datap */
3849static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3850					u8 *datap, u32 len)
3851{
3852	struct ath6kl_vif *vif;
3853
3854	vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3855	if (!vif) {
3856		ath6kl_dbg(ATH6KL_DBG_WMI,
3857			   "Wmi event for unavailable vif, vif_index:%d\n",
3858			    if_idx);
3859		return -EINVAL;
3860	}
3861
3862	switch (cmd_id) {
3863	case WMI_CONNECT_EVENTID:
3864		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3865		return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3866	case WMI_DISCONNECT_EVENTID:
3867		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3868		return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3869	case WMI_TKIP_MICERR_EVENTID:
3870		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3871		return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3872	case WMI_BSSINFO_EVENTID:
3873		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3874		return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3875	case WMI_NEIGHBOR_REPORT_EVENTID:
3876		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3877		return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3878							   vif);
3879	case WMI_SCAN_COMPLETE_EVENTID:
3880		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3881		return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3882	case WMI_REPORT_STATISTICS_EVENTID:
3883		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3884		return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3885	case WMI_CAC_EVENTID:
3886		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3887		return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3888	case WMI_PSPOLL_EVENTID:
3889		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3890		return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3891	case WMI_DTIMEXPIRY_EVENTID:
3892		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3893		return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3894	case WMI_ADDBA_REQ_EVENTID:
3895		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3896		return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3897	case WMI_DELBA_REQ_EVENTID:
3898		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3899		return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3900	case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3901		ath6kl_dbg(ATH6KL_DBG_WMI,
3902			   "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3903		return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3904	case WMI_REMAIN_ON_CHNL_EVENTID:
3905		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3906		return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3907	case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3908		ath6kl_dbg(ATH6KL_DBG_WMI,
3909			   "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3910		return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3911								 len, vif);
3912	case WMI_TX_STATUS_EVENTID:
3913		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3914		return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3915	case WMI_RX_PROBE_REQ_EVENTID:
3916		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3917		return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3918	case WMI_RX_ACTION_EVENTID:
3919		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3920		return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3921	case WMI_TXE_NOTIFY_EVENTID:
3922		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");
3923		return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
3924	default:
3925		ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3926		return -EINVAL;
3927	}
3928
3929	return 0;
3930}
3931
3932static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3933{
3934	struct wmi_cmd_hdr *cmd;
3935	int ret = 0;
3936	u32 len;
3937	u16 id;
3938	u8 if_idx;
3939	u8 *datap;
3940
3941	cmd = (struct wmi_cmd_hdr *) skb->data;
3942	id = le16_to_cpu(cmd->cmd_id);
3943	if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3944
3945	skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3946	datap = skb->data;
3947	len = skb->len;
3948
3949	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3950	ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3951			datap, len);
3952
3953	switch (id) {
3954	case WMI_GET_BITRATE_CMDID:
3955		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3956		ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3957		break;
3958	case WMI_GET_CHANNEL_LIST_CMDID:
3959		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3960		ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3961		break;
3962	case WMI_GET_TX_PWR_CMDID:
3963		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3964		ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3965		break;
3966	case WMI_READY_EVENTID:
3967		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3968		ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3969		break;
3970	case WMI_PEER_NODE_EVENTID:
3971		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3972		ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
3973		break;
3974	case WMI_REGDOMAIN_EVENTID:
3975		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
3976		ath6kl_wmi_regdomain_event(wmi, datap, len);
3977		break;
3978	case WMI_PSTREAM_TIMEOUT_EVENTID:
3979		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
3980		ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
3981		break;
3982	case WMI_CMDERROR_EVENTID:
3983		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
3984		ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
3985		break;
3986	case WMI_RSSI_THRESHOLD_EVENTID:
3987		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
3988		ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
3989		break;
3990	case WMI_ERROR_REPORT_EVENTID:
3991		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
3992		break;
3993	case WMI_OPT_RX_FRAME_EVENTID:
3994		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
3995		/* this event has been deprecated */
3996		break;
3997	case WMI_REPORT_ROAM_TBL_EVENTID:
3998		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
3999		ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
4000		break;
4001	case WMI_EXTENSION_EVENTID:
4002		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
4003		ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
4004		break;
4005	case WMI_CHANNEL_CHANGE_EVENTID:
4006		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
4007		break;
4008	case WMI_REPORT_ROAM_DATA_EVENTID:
4009		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
4010		break;
4011	case WMI_TEST_EVENTID:
4012		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
4013		ret = ath6kl_wmi_test_rx(wmi, datap, len);
4014		break;
4015	case WMI_GET_FIXRATES_CMDID:
4016		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
4017		ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
4018		break;
4019	case WMI_TX_RETRY_ERR_EVENTID:
4020		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
4021		break;
4022	case WMI_SNR_THRESHOLD_EVENTID:
4023		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
4024		ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
4025		break;
4026	case WMI_LQ_THRESHOLD_EVENTID:
4027		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
4028		break;
4029	case WMI_APLIST_EVENTID:
4030		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
4031		ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
4032		break;
4033	case WMI_GET_KEEPALIVE_CMDID:
4034		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
4035		ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
4036		break;
4037	case WMI_GET_WOW_LIST_EVENTID:
4038		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
4039		break;
4040	case WMI_GET_PMKID_LIST_EVENTID:
4041		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
4042		ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
4043		break;
4044	case WMI_SET_PARAMS_REPLY_EVENTID:
4045		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
4046		break;
4047	case WMI_ADDBA_RESP_EVENTID:
4048		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
4049		break;
4050	case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
4051		ath6kl_dbg(ATH6KL_DBG_WMI,
4052			   "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
4053		break;
4054	case WMI_REPORT_BTCOEX_STATS_EVENTID:
4055		ath6kl_dbg(ATH6KL_DBG_WMI,
4056			   "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
4057		break;
4058	case WMI_TX_COMPLETE_EVENTID:
4059		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
4060		ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
4061		break;
4062	case WMI_P2P_CAPABILITIES_EVENTID:
4063		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
4064		ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
4065		break;
4066	case WMI_P2P_INFO_EVENTID:
4067		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
4068		ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
4069		break;
4070	default:
4071		/* may be the event is interface specific */
4072		ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
4073		break;
4074	}
4075
4076	dev_kfree_skb(skb);
4077	return ret;
4078}
4079
4080/* Control Path */
4081int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
4082{
4083	if (WARN_ON(skb == NULL))
4084		return -EINVAL;
4085
4086	if (skb->len < sizeof(struct wmi_cmd_hdr)) {
4087		ath6kl_err("bad packet 1\n");
4088		dev_kfree_skb(skb);
4089		return -EINVAL;
4090	}
4091
4092	trace_ath6kl_wmi_event(skb->data, skb->len);
4093
4094	return ath6kl_wmi_proc_events(wmi, skb);
4095}
4096
4097void ath6kl_wmi_reset(struct wmi *wmi)
4098{
4099	spin_lock_bh(&wmi->lock);
4100
4101	wmi->fat_pipe_exist = 0;
4102	memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
4103
4104	spin_unlock_bh(&wmi->lock);
4105}
4106
4107void *ath6kl_wmi_init(struct ath6kl *dev)
4108{
4109	struct wmi *wmi;
4110
4111	wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
4112	if (!wmi)
4113		return NULL;
4114
4115	spin_lock_init(&wmi->lock);
4116
4117	wmi->parent_dev = dev;
4118
4119	wmi->pwr_mode = REC_POWER;
4120
4121	ath6kl_wmi_reset(wmi);
4122
4123	return wmi;
4124}
4125
4126void ath6kl_wmi_shutdown(struct wmi *wmi)
4127{
4128	if (!wmi)
4129		return;
4130
4131	kfree(wmi->last_mgmt_tx_frame);
4132	kfree(wmi);
4133}