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   1/*
   2 * Copyright (c) 2004-2011 Atheros Communications Inc.
   3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
   4 *
   5 * Permission to use, copy, modify, and/or distribute this software for any
   6 * purpose with or without fee is hereby granted, provided that the above
   7 * copyright notice and this permission notice appear in all copies.
   8 *
   9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16 */
  17
  18#include <linux/ip.h>
  19#include <linux/in.h>
  20#include "core.h"
  21#include "debug.h"
  22#include "testmode.h"
  23#include "trace.h"
  24#include "../regd.h"
  25#include "../regd_common.h"
  26
  27static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
  28
  29static const s32 wmi_rate_tbl[][2] = {
  30	/* {W/O SGI, with SGI} */
  31	{1000, 1000},
  32	{2000, 2000},
  33	{5500, 5500},
  34	{11000, 11000},
  35	{6000, 6000},
  36	{9000, 9000},
  37	{12000, 12000},
  38	{18000, 18000},
  39	{24000, 24000},
  40	{36000, 36000},
  41	{48000, 48000},
  42	{54000, 54000},
  43	{6500, 7200},
  44	{13000, 14400},
  45	{19500, 21700},
  46	{26000, 28900},
  47	{39000, 43300},
  48	{52000, 57800},
  49	{58500, 65000},
  50	{65000, 72200},
  51	{13500, 15000},
  52	{27000, 30000},
  53	{40500, 45000},
  54	{54000, 60000},
  55	{81000, 90000},
  56	{108000, 120000},
  57	{121500, 135000},
  58	{135000, 150000},
  59	{0, 0}
  60};
  61
  62static const s32 wmi_rate_tbl_mcs15[][2] = {
  63	/* {W/O SGI, with SGI} */
  64	{1000, 1000},
  65	{2000, 2000},
  66	{5500, 5500},
  67	{11000, 11000},
  68	{6000, 6000},
  69	{9000, 9000},
  70	{12000, 12000},
  71	{18000, 18000},
  72	{24000, 24000},
  73	{36000, 36000},
  74	{48000, 48000},
  75	{54000, 54000},
  76	{6500, 7200},     /* HT 20, MCS 0 */
  77	{13000, 14400},
  78	{19500, 21700},
  79	{26000, 28900},
  80	{39000, 43300},
  81	{52000, 57800},
  82	{58500, 65000},
  83	{65000, 72200},
  84	{13000, 14400},   /* HT 20, MCS 8 */
  85	{26000, 28900},
  86	{39000, 43300},
  87	{52000, 57800},
  88	{78000, 86700},
  89	{104000, 115600},
  90	{117000, 130000},
  91	{130000, 144400}, /* HT 20, MCS 15 */
  92	{13500, 15000},   /*HT 40, MCS 0 */
  93	{27000, 30000},
  94	{40500, 45000},
  95	{54000, 60000},
  96	{81000, 90000},
  97	{108000, 120000},
  98	{121500, 135000},
  99	{135000, 150000},
 100	{27000, 30000},   /*HT 40, MCS 8 */
 101	{54000, 60000},
 102	{81000, 90000},
 103	{108000, 120000},
 104	{162000, 180000},
 105	{216000, 240000},
 106	{243000, 270000},
 107	{270000, 300000}, /*HT 40, MCS 15 */
 108	{0, 0}
 109};
 110
 111/* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
 112static const u8 up_to_ac[] = {
 113	WMM_AC_BE,
 114	WMM_AC_BK,
 115	WMM_AC_BK,
 116	WMM_AC_BE,
 117	WMM_AC_VI,
 118	WMM_AC_VI,
 119	WMM_AC_VO,
 120	WMM_AC_VO,
 121};
 122
 123void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
 124{
 125	if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
 126		return;
 127
 128	wmi->ep_id = ep_id;
 129}
 130
 131enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
 132{
 133	return wmi->ep_id;
 134}
 135
 136struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
 137{
 138	struct ath6kl_vif *vif, *found = NULL;
 139
 140	if (WARN_ON(if_idx > (ar->vif_max - 1)))
 141		return NULL;
 142
 143	/* FIXME: Locking */
 144	spin_lock_bh(&ar->list_lock);
 145	list_for_each_entry(vif, &ar->vif_list, list) {
 146		if (vif->fw_vif_idx == if_idx) {
 147			found = vif;
 148			break;
 149		}
 150	}
 151	spin_unlock_bh(&ar->list_lock);
 152
 153	return found;
 154}
 155
 156/*  Performs DIX to 802.3 encapsulation for transmit packets.
 157 *  Assumes the entire DIX header is contiguous and that there is
 158 *  enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
 159 */
 160int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
 161{
 162	struct ath6kl_llc_snap_hdr *llc_hdr;
 163	struct ethhdr *eth_hdr;
 164	size_t new_len;
 165	__be16 type;
 166	u8 *datap;
 167	u16 size;
 168
 169	if (WARN_ON(skb == NULL))
 170		return -EINVAL;
 171
 172	size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
 173	if (skb_headroom(skb) < size)
 174		return -ENOMEM;
 175
 176	eth_hdr = (struct ethhdr *) skb->data;
 177	type = eth_hdr->h_proto;
 178
 179	if (!is_ethertype(be16_to_cpu(type))) {
 180		ath6kl_dbg(ATH6KL_DBG_WMI,
 181			   "%s: pkt is already in 802.3 format\n", __func__);
 182		return 0;
 183	}
 184
 185	new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
 186
 187	skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
 188	datap = skb->data;
 189
 190	eth_hdr->h_proto = cpu_to_be16(new_len);
 191
 192	memcpy(datap, eth_hdr, sizeof(*eth_hdr));
 193
 194	llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
 195	llc_hdr->dsap = 0xAA;
 196	llc_hdr->ssap = 0xAA;
 197	llc_hdr->cntl = 0x03;
 198	llc_hdr->org_code[0] = 0x0;
 199	llc_hdr->org_code[1] = 0x0;
 200	llc_hdr->org_code[2] = 0x0;
 201	llc_hdr->eth_type = type;
 202
 203	return 0;
 204}
 205
 206static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
 207			       u8 *version, void *tx_meta_info)
 208{
 209	struct wmi_tx_meta_v1 *v1;
 210	struct wmi_tx_meta_v2 *v2;
 211
 212	if (WARN_ON(skb == NULL || version == NULL))
 213		return -EINVAL;
 214
 215	switch (*version) {
 216	case WMI_META_VERSION_1:
 217		skb_push(skb, WMI_MAX_TX_META_SZ);
 218		v1 = (struct wmi_tx_meta_v1 *) skb->data;
 219		v1->pkt_id = 0;
 220		v1->rate_plcy_id = 0;
 221		*version = WMI_META_VERSION_1;
 222		break;
 223	case WMI_META_VERSION_2:
 224		skb_push(skb, WMI_MAX_TX_META_SZ);
 225		v2 = (struct wmi_tx_meta_v2 *) skb->data;
 226		memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
 227		       sizeof(struct wmi_tx_meta_v2));
 228		break;
 229	}
 230
 231	return 0;
 232}
 233
 234int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
 235			    u8 msg_type, u32 flags,
 236			    enum wmi_data_hdr_data_type data_type,
 237			    u8 meta_ver, void *tx_meta_info, u8 if_idx)
 238{
 239	struct wmi_data_hdr *data_hdr;
 240	int ret;
 241
 242	if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))
 243		return -EINVAL;
 244
 245	if (tx_meta_info) {
 246		ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
 247		if (ret)
 248			return ret;
 249	}
 250
 251	skb_push(skb, sizeof(struct wmi_data_hdr));
 252
 253	data_hdr = (struct wmi_data_hdr *)skb->data;
 254	memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
 255
 256	data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
 257	data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
 258
 259	if (flags & WMI_DATA_HDR_FLAGS_MORE)
 260		data_hdr->info |= WMI_DATA_HDR_MORE;
 261
 262	if (flags & WMI_DATA_HDR_FLAGS_EOSP)
 263		data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);
 264
 265	data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
 266	data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
 267
 268	return 0;
 269}
 270
 271u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
 272{
 273	struct iphdr *ip_hdr = (struct iphdr *) pkt;
 274	u8 ip_pri;
 275
 276	/*
 277	 * Determine IPTOS priority
 278	 *
 279	 * IP-TOS - 8bits
 280	 *          : DSCP(6-bits) ECN(2-bits)
 281	 *          : DSCP - P2 P1 P0 X X X
 282	 * where (P2 P1 P0) form 802.1D
 283	 */
 284	ip_pri = ip_hdr->tos >> 5;
 285	ip_pri &= 0x7;
 286
 287	if ((layer2_pri & 0x7) > ip_pri)
 288		return (u8) layer2_pri & 0x7;
 289	else
 290		return ip_pri;
 291}
 292
 293u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
 294{
 295	return  up_to_ac[user_priority & 0x7];
 296}
 297
 298int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
 299				       struct sk_buff *skb,
 300				       u32 layer2_priority, bool wmm_enabled,
 301				       u8 *ac)
 302{
 303	struct wmi_data_hdr *data_hdr;
 304	struct ath6kl_llc_snap_hdr *llc_hdr;
 305	struct wmi_create_pstream_cmd cmd;
 306	u32 meta_size, hdr_size;
 307	u16 ip_type = IP_ETHERTYPE;
 308	u8 stream_exist, usr_pri;
 309	u8 traffic_class = WMM_AC_BE;
 310	u8 *datap;
 311
 312	if (WARN_ON(skb == NULL))
 313		return -EINVAL;
 314
 315	datap = skb->data;
 316	data_hdr = (struct wmi_data_hdr *) datap;
 317
 318	meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
 319		     WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
 320
 321	if (!wmm_enabled) {
 322		/* If WMM is disabled all traffic goes as BE traffic */
 323		usr_pri = 0;
 324	} else {
 325		hdr_size = sizeof(struct ethhdr);
 326
 327		llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
 328							 sizeof(struct
 329								wmi_data_hdr) +
 330							 meta_size + hdr_size);
 331
 332		if (llc_hdr->eth_type == htons(ip_type)) {
 333			/*
 334			 * Extract the endpoint info from the TOS field
 335			 * in the IP header.
 336			 */
 337			usr_pri =
 338			   ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
 339					sizeof(struct ath6kl_llc_snap_hdr),
 340					layer2_priority);
 341		} else {
 342			usr_pri = layer2_priority & 0x7;
 343		}
 344
 345		/*
 346		 * Queue the EAPOL frames in the same WMM_AC_VO queue
 347		 * as that of management frames.
 348		 */
 349		if (skb->protocol == cpu_to_be16(ETH_P_PAE))
 350			usr_pri = WMI_VOICE_USER_PRIORITY;
 351	}
 352
 353	/*
 354	 * workaround for WMM S5
 355	 *
 356	 * FIXME: wmi->traffic_class is always 100 so this test doesn't
 357	 * make sense
 358	 */
 359	if ((wmi->traffic_class == WMM_AC_VI) &&
 360	    ((usr_pri == 5) || (usr_pri == 4)))
 361		usr_pri = 1;
 362
 363	/* Convert user priority to traffic class */
 364	traffic_class = up_to_ac[usr_pri & 0x7];
 365
 366	wmi_data_hdr_set_up(data_hdr, usr_pri);
 367
 368	spin_lock_bh(&wmi->lock);
 369	stream_exist = wmi->fat_pipe_exist;
 370	spin_unlock_bh(&wmi->lock);
 371
 372	if (!(stream_exist & (1 << traffic_class))) {
 373		memset(&cmd, 0, sizeof(cmd));
 374		cmd.traffic_class = traffic_class;
 375		cmd.user_pri = usr_pri;
 376		cmd.inactivity_int =
 377			cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
 378		/* Implicit streams are created with TSID 0xFF */
 379		cmd.tsid = WMI_IMPLICIT_PSTREAM;
 380		ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
 381	}
 382
 383	*ac = traffic_class;
 384
 385	return 0;
 386}
 387
 388int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
 389{
 390	struct ieee80211_hdr_3addr *pwh, wh;
 391	struct ath6kl_llc_snap_hdr *llc_hdr;
 392	struct ethhdr eth_hdr;
 393	u32 hdr_size;
 394	u8 *datap;
 395	__le16 sub_type;
 396
 397	if (WARN_ON(skb == NULL))
 398		return -EINVAL;
 399
 400	datap = skb->data;
 401	pwh = (struct ieee80211_hdr_3addr *) datap;
 402
 403	sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
 404
 405	memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
 406
 407	/* Strip off the 802.11 header */
 408	if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
 409		hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
 410				   sizeof(u32));
 411		skb_pull(skb, hdr_size);
 412	} else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA)) {
 413		skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
 414	}
 415
 416	datap = skb->data;
 417	llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
 418
 419	memset(&eth_hdr, 0, sizeof(eth_hdr));
 420	eth_hdr.h_proto = llc_hdr->eth_type;
 421
 422	switch ((le16_to_cpu(wh.frame_control)) &
 423		(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
 424	case IEEE80211_FCTL_TODS:
 425		memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
 426		memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 427		break;
 428	case IEEE80211_FCTL_FROMDS:
 429		memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 430		memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
 431		break;
 432	case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
 433		break;
 434	default:
 435		memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
 436		memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
 437		break;
 438	}
 439
 440	skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 441	skb_push(skb, sizeof(eth_hdr));
 442
 443	datap = skb->data;
 444
 445	memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 446
 447	return 0;
 448}
 449
 450/*
 451 * Performs 802.3 to DIX encapsulation for received packets.
 452 * Assumes the entire 802.3 header is contiguous.
 453 */
 454int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
 455{
 456	struct ath6kl_llc_snap_hdr *llc_hdr;
 457	struct ethhdr eth_hdr;
 458	u8 *datap;
 459
 460	if (WARN_ON(skb == NULL))
 461		return -EINVAL;
 462
 463	datap = skb->data;
 464
 465	memcpy(&eth_hdr, datap, sizeof(eth_hdr));
 466
 467	llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
 468	eth_hdr.h_proto = llc_hdr->eth_type;
 469
 470	skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
 471	datap = skb->data;
 472
 473	memcpy(datap, &eth_hdr, sizeof(eth_hdr));
 474
 475	return 0;
 476}
 477
 478static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
 479{
 480	struct tx_complete_msg_v1 *msg_v1;
 481	struct wmi_tx_complete_event *evt;
 482	int index;
 483	u16 size;
 484
 485	evt = (struct wmi_tx_complete_event *) datap;
 486
 487	ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
 488		   evt->num_msg, evt->msg_len, evt->msg_type);
 489
 490	for (index = 0; index < evt->num_msg; index++) {
 491		size = sizeof(struct wmi_tx_complete_event) +
 492		    (index * sizeof(struct tx_complete_msg_v1));
 493		msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
 494
 495		ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
 496			   msg_v1->status, msg_v1->pkt_id,
 497			   msg_v1->rate_idx, msg_v1->ack_failures);
 498	}
 499
 500	return 0;
 501}
 502
 503static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
 504					      int len, struct ath6kl_vif *vif)
 505{
 506	struct wmi_remain_on_chnl_event *ev;
 507	u32 freq;
 508	u32 dur;
 509	struct ieee80211_channel *chan;
 510	struct ath6kl *ar = wmi->parent_dev;
 511	u32 id;
 512
 513	if (len < sizeof(*ev))
 514		return -EINVAL;
 515
 516	ev = (struct wmi_remain_on_chnl_event *) datap;
 517	freq = le32_to_cpu(ev->freq);
 518	dur = le32_to_cpu(ev->duration);
 519	ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
 520		   freq, dur);
 521	chan = ieee80211_get_channel(ar->wiphy, freq);
 522	if (!chan) {
 523		ath6kl_dbg(ATH6KL_DBG_WMI,
 524			   "remain_on_chnl: Unknown channel (freq=%u)\n",
 525			   freq);
 526		return -EINVAL;
 527	}
 528	id = vif->last_roc_id;
 529	cfg80211_ready_on_channel(&vif->wdev, id, chan,
 530				  dur, GFP_ATOMIC);
 531
 532	return 0;
 533}
 534
 535static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
 536						     u8 *datap, int len,
 537						     struct ath6kl_vif *vif)
 538{
 539	struct wmi_cancel_remain_on_chnl_event *ev;
 540	u32 freq;
 541	u32 dur;
 542	struct ieee80211_channel *chan;
 543	struct ath6kl *ar = wmi->parent_dev;
 544	u32 id;
 545
 546	if (len < sizeof(*ev))
 547		return -EINVAL;
 548
 549	ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
 550	freq = le32_to_cpu(ev->freq);
 551	dur = le32_to_cpu(ev->duration);
 552	ath6kl_dbg(ATH6KL_DBG_WMI,
 553		   "cancel_remain_on_chnl: freq=%u dur=%u status=%u\n",
 554		   freq, dur, ev->status);
 555	chan = ieee80211_get_channel(ar->wiphy, freq);
 556	if (!chan) {
 557		ath6kl_dbg(ATH6KL_DBG_WMI,
 558			   "cancel_remain_on_chnl: Unknown channel (freq=%u)\n",
 559			   freq);
 560		return -EINVAL;
 561	}
 562	if (vif->last_cancel_roc_id &&
 563	    vif->last_cancel_roc_id + 1 == vif->last_roc_id)
 564		id = vif->last_cancel_roc_id; /* event for cancel command */
 565	else
 566		id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
 567	vif->last_cancel_roc_id = 0;
 568	cfg80211_remain_on_channel_expired(&vif->wdev, id, chan, GFP_ATOMIC);
 569
 570	return 0;
 571}
 572
 573static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
 574					 struct ath6kl_vif *vif)
 575{
 576	struct wmi_tx_status_event *ev;
 577	u32 id;
 578
 579	if (len < sizeof(*ev))
 580		return -EINVAL;
 581
 582	ev = (struct wmi_tx_status_event *) datap;
 583	id = le32_to_cpu(ev->id);
 584	ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
 585		   id, ev->ack_status);
 586	if (wmi->last_mgmt_tx_frame) {
 587		cfg80211_mgmt_tx_status(&vif->wdev, id,
 588					wmi->last_mgmt_tx_frame,
 589					wmi->last_mgmt_tx_frame_len,
 590					!!ev->ack_status, GFP_ATOMIC);
 591		kfree(wmi->last_mgmt_tx_frame);
 592		wmi->last_mgmt_tx_frame = NULL;
 593		wmi->last_mgmt_tx_frame_len = 0;
 594	}
 595
 596	return 0;
 597}
 598
 599static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
 600					    struct ath6kl_vif *vif)
 601{
 602	struct wmi_p2p_rx_probe_req_event *ev;
 603	u32 freq;
 604	u16 dlen;
 605
 606	if (len < sizeof(*ev))
 607		return -EINVAL;
 608
 609	ev = (struct wmi_p2p_rx_probe_req_event *) datap;
 610	freq = le32_to_cpu(ev->freq);
 611	dlen = le16_to_cpu(ev->len);
 612	if (datap + len < ev->data + dlen) {
 613		ath6kl_err("invalid wmi_p2p_rx_probe_req_event: len=%d dlen=%u\n",
 614			   len, dlen);
 615		return -EINVAL;
 616	}
 617	ath6kl_dbg(ATH6KL_DBG_WMI,
 618		   "rx_probe_req: len=%u freq=%u probe_req_report=%d\n",
 619		   dlen, freq, vif->probe_req_report);
 620
 621	if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
 622		cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0);
 623
 624	return 0;
 625}
 626
 627static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
 628{
 629	struct wmi_p2p_capabilities_event *ev;
 630	u16 dlen;
 631
 632	if (len < sizeof(*ev))
 633		return -EINVAL;
 634
 635	ev = (struct wmi_p2p_capabilities_event *) datap;
 636	dlen = le16_to_cpu(ev->len);
 637	ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
 638
 639	return 0;
 640}
 641
 642static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 643					 struct ath6kl_vif *vif)
 644{
 645	struct wmi_rx_action_event *ev;
 646	u32 freq;
 647	u16 dlen;
 648
 649	if (len < sizeof(*ev))
 650		return -EINVAL;
 651
 652	ev = (struct wmi_rx_action_event *) datap;
 653	freq = le32_to_cpu(ev->freq);
 654	dlen = le16_to_cpu(ev->len);
 655	if (datap + len < ev->data + dlen) {
 656		ath6kl_err("invalid wmi_rx_action_event: len=%d dlen=%u\n",
 657			   len, dlen);
 658		return -EINVAL;
 659	}
 660	ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
 661	cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0);
 662
 663	return 0;
 664}
 665
 666static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
 667{
 668	struct wmi_p2p_info_event *ev;
 669	u32 flags;
 670	u16 dlen;
 671
 672	if (len < sizeof(*ev))
 673		return -EINVAL;
 674
 675	ev = (struct wmi_p2p_info_event *) datap;
 676	flags = le32_to_cpu(ev->info_req_flags);
 677	dlen = le16_to_cpu(ev->len);
 678	ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
 679
 680	if (flags & P2P_FLAG_CAPABILITIES_REQ) {
 681		struct wmi_p2p_capabilities *cap;
 682		if (dlen < sizeof(*cap))
 683			return -EINVAL;
 684		cap = (struct wmi_p2p_capabilities *) ev->data;
 685		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
 686			   cap->go_power_save);
 687	}
 688
 689	if (flags & P2P_FLAG_MACADDR_REQ) {
 690		struct wmi_p2p_macaddr *mac;
 691		if (dlen < sizeof(*mac))
 692			return -EINVAL;
 693		mac = (struct wmi_p2p_macaddr *) ev->data;
 694		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
 695			   mac->mac_addr);
 696	}
 697
 698	if (flags & P2P_FLAG_HMODEL_REQ) {
 699		struct wmi_p2p_hmodel *mod;
 700		if (dlen < sizeof(*mod))
 701			return -EINVAL;
 702		mod = (struct wmi_p2p_hmodel *) ev->data;
 703		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
 704			   mod->p2p_model,
 705			   mod->p2p_model ? "host" : "firmware");
 706	}
 707	return 0;
 708}
 709
 710static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
 711{
 712	struct sk_buff *skb;
 713
 714	skb = ath6kl_buf_alloc(size);
 715	if (!skb)
 716		return NULL;
 717
 718	skb_put(skb, size);
 719	if (size)
 720		memset(skb->data, 0, size);
 721
 722	return skb;
 723}
 724
 725/* Send a "simple" wmi command -- one with no arguments */
 726static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
 727				 enum wmi_cmd_id cmd_id)
 728{
 729	struct sk_buff *skb;
 730	int ret;
 731
 732	skb = ath6kl_wmi_get_new_buf(0);
 733	if (!skb)
 734		return -ENOMEM;
 735
 736	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
 737
 738	return ret;
 739}
 740
 741static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
 742{
 743	struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
 744
 745	if (len < sizeof(struct wmi_ready_event_2))
 746		return -EINVAL;
 747
 748	ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
 749			   le32_to_cpu(ev->sw_version),
 750			   le32_to_cpu(ev->abi_version), ev->phy_cap);
 751
 752	return 0;
 753}
 754
 755/*
 756 * Mechanism to modify the roaming behavior in the firmware. The lower rssi
 757 * at which the station has to roam can be passed with
 758 * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
 759 * in dBm.
 760 */
 761int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
 762{
 763	struct sk_buff *skb;
 764	struct roam_ctrl_cmd *cmd;
 765
 766	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 767	if (!skb)
 768		return -ENOMEM;
 769
 770	cmd = (struct roam_ctrl_cmd *) skb->data;
 771
 772	cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
 773	cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
 774						       DEF_SCAN_FOR_ROAM_INTVL);
 775	cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
 776	cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
 777	cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
 778
 779	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 780			    NO_SYNC_WMIFLAG);
 781}
 782
 783int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
 784{
 785	struct sk_buff *skb;
 786	struct roam_ctrl_cmd *cmd;
 787
 788	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 789	if (!skb)
 790		return -ENOMEM;
 791
 792	cmd = (struct roam_ctrl_cmd *) skb->data;
 793
 794	memcpy(cmd->info.bssid, bssid, ETH_ALEN);
 795	cmd->roam_ctrl = WMI_FORCE_ROAM;
 796
 797	ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
 798	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 799				   NO_SYNC_WMIFLAG);
 800}
 801
 802int ath6kl_wmi_ap_set_beacon_intvl_cmd(struct wmi *wmi, u8 if_idx,
 803				       u32 beacon_intvl)
 804{
 805	struct sk_buff *skb;
 806	struct set_beacon_int_cmd *cmd;
 807
 808	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 809	if (!skb)
 810		return -ENOMEM;
 811
 812	cmd = (struct set_beacon_int_cmd *) skb->data;
 813
 814	cmd->beacon_intvl = cpu_to_le32(beacon_intvl);
 815	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 816				   WMI_SET_BEACON_INT_CMDID, NO_SYNC_WMIFLAG);
 817}
 818
 819int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period)
 820{
 821	struct sk_buff *skb;
 822	struct set_dtim_cmd *cmd;
 823
 824	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 825	if (!skb)
 826		return -ENOMEM;
 827
 828	cmd = (struct set_dtim_cmd *) skb->data;
 829
 830	cmd->dtim_period = cpu_to_le32(dtim_period);
 831	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
 832				   WMI_AP_SET_DTIM_CMDID, NO_SYNC_WMIFLAG);
 833}
 834
 835int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 836{
 837	struct sk_buff *skb;
 838	struct roam_ctrl_cmd *cmd;
 839
 840	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
 841	if (!skb)
 842		return -ENOMEM;
 843
 844	cmd = (struct roam_ctrl_cmd *) skb->data;
 845
 846	cmd->info.roam_mode = mode;
 847	cmd->roam_ctrl = WMI_SET_ROAM_MODE;
 848
 849	ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
 850	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 851				   NO_SYNC_WMIFLAG);
 852}
 853
 854static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
 855				       struct ath6kl_vif *vif)
 856{
 857	struct wmi_connect_event *ev;
 858	u8 *pie, *peie;
 859
 860	if (len < sizeof(struct wmi_connect_event))
 861		return -EINVAL;
 862
 863	ev = (struct wmi_connect_event *) datap;
 864
 865	if (vif->nw_type == AP_NETWORK) {
 866		/* AP mode start/STA connected event */
 867		struct net_device *dev = vif->ndev;
 868		if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
 869			ath6kl_dbg(ATH6KL_DBG_WMI,
 870				   "%s: freq %d bssid %pM (AP started)\n",
 871				   __func__, le16_to_cpu(ev->u.ap_bss.ch),
 872				   ev->u.ap_bss.bssid);
 873			ath6kl_connect_ap_mode_bss(
 874				vif, le16_to_cpu(ev->u.ap_bss.ch));
 875		} else {
 876			ath6kl_dbg(ATH6KL_DBG_WMI,
 877				   "%s: aid %u mac_addr %pM auth=%u keymgmt=%u cipher=%u apsd_info=%u (STA connected)\n",
 878				   __func__, ev->u.ap_sta.aid,
 879				   ev->u.ap_sta.mac_addr,
 880				   ev->u.ap_sta.auth,
 881				   ev->u.ap_sta.keymgmt,
 882				   le16_to_cpu(ev->u.ap_sta.cipher),
 883				   ev->u.ap_sta.apsd_info);
 884
 885			ath6kl_connect_ap_mode_sta(
 886				vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
 887				ev->u.ap_sta.keymgmt,
 888				le16_to_cpu(ev->u.ap_sta.cipher),
 889				ev->u.ap_sta.auth, ev->assoc_req_len,
 890				ev->assoc_info + ev->beacon_ie_len,
 891				ev->u.ap_sta.apsd_info);
 892		}
 893		return 0;
 894	}
 895
 896	/* STA/IBSS mode connection event */
 897
 898	ath6kl_dbg(ATH6KL_DBG_WMI,
 899		   "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
 900		   le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
 901		   le16_to_cpu(ev->u.sta.listen_intvl),
 902		   le16_to_cpu(ev->u.sta.beacon_intvl),
 903		   le32_to_cpu(ev->u.sta.nw_type));
 904
 905	/* Start of assoc rsp IEs */
 906	pie = ev->assoc_info + ev->beacon_ie_len +
 907	      ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
 908
 909	/* End of assoc rsp IEs */
 910	peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
 911	    ev->assoc_resp_len;
 912
 913	while (pie < peie) {
 914		switch (*pie) {
 915		case WLAN_EID_VENDOR_SPECIFIC:
 916			if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
 917			    pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
 918				/* WMM OUT (00:50:F2) */
 919				if (pie[1] > 5 &&
 920				    pie[6] == WMM_PARAM_OUI_SUBTYPE)
 921					wmi->is_wmm_enabled = true;
 922			}
 923			break;
 924		}
 925
 926		if (wmi->is_wmm_enabled)
 927			break;
 928
 929		pie += pie[1] + 2;
 930	}
 931
 932	ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
 933			     ev->u.sta.bssid,
 934			     le16_to_cpu(ev->u.sta.listen_intvl),
 935			     le16_to_cpu(ev->u.sta.beacon_intvl),
 936			     le32_to_cpu(ev->u.sta.nw_type),
 937			     ev->beacon_ie_len, ev->assoc_req_len,
 938			     ev->assoc_resp_len, ev->assoc_info);
 939
 940	return 0;
 941}
 942
 943static struct country_code_to_enum_rd *
 944ath6kl_regd_find_country(u16 countryCode)
 945{
 946	int i;
 947
 948	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 949		if (allCountries[i].countryCode == countryCode)
 950			return &allCountries[i];
 951	}
 952
 953	return NULL;
 954}
 955
 956static struct reg_dmn_pair_mapping *
 957ath6kl_get_regpair(u16 regdmn)
 958{
 959	int i;
 960
 961	if (regdmn == NO_ENUMRD)
 962		return NULL;
 963
 964	for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
 965		if (regDomainPairs[i].reg_domain == regdmn)
 966			return &regDomainPairs[i];
 967	}
 968
 969	return NULL;
 970}
 971
 972static struct country_code_to_enum_rd *
 973ath6kl_regd_find_country_by_rd(u16 regdmn)
 974{
 975	int i;
 976
 977	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
 978		if (allCountries[i].regDmnEnum == regdmn)
 979			return &allCountries[i];
 980	}
 981
 982	return NULL;
 983}
 984
 985static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
 986{
 987	struct ath6kl_wmi_regdomain *ev;
 988	struct country_code_to_enum_rd *country = NULL;
 989	struct reg_dmn_pair_mapping *regpair = NULL;
 990	char alpha2[2];
 991	u32 reg_code;
 992
 993	ev = (struct ath6kl_wmi_regdomain *) datap;
 994	reg_code = le32_to_cpu(ev->reg_code);
 995
 996	if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG) {
 997		country = ath6kl_regd_find_country((u16) reg_code);
 998	} else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
 999		regpair = ath6kl_get_regpair((u16) reg_code);
1000		country = ath6kl_regd_find_country_by_rd((u16) reg_code);
1001		if (regpair)
1002			ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
1003				   regpair->reg_domain);
1004		else
1005			ath6kl_warn("Regpair not found reg_code 0x%0x\n",
1006				    reg_code);
1007	}
1008
1009	if (country && wmi->parent_dev->wiphy_registered) {
1010		alpha2[0] = country->isoName[0];
1011		alpha2[1] = country->isoName[1];
1012
1013		regulatory_hint(wmi->parent_dev->wiphy, alpha2);
1014
1015		ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
1016			   alpha2[0], alpha2[1]);
1017	}
1018}
1019
1020static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
1021					  struct ath6kl_vif *vif)
1022{
1023	struct wmi_disconnect_event *ev;
1024	wmi->traffic_class = 100;
1025
1026	if (len < sizeof(struct wmi_disconnect_event))
1027		return -EINVAL;
1028
1029	ev = (struct wmi_disconnect_event *) datap;
1030
1031	ath6kl_dbg(ATH6KL_DBG_WMI,
1032		   "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
1033		   le16_to_cpu(ev->proto_reason_status), ev->bssid,
1034		   ev->disconn_reason, ev->assoc_resp_len);
1035
1036	wmi->is_wmm_enabled = false;
1037
1038	ath6kl_disconnect_event(vif, ev->disconn_reason,
1039				ev->bssid, ev->assoc_resp_len, ev->assoc_info,
1040				le16_to_cpu(ev->proto_reason_status));
1041
1042	return 0;
1043}
1044
1045static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
1046{
1047	struct wmi_peer_node_event *ev;
1048
1049	if (len < sizeof(struct wmi_peer_node_event))
1050		return -EINVAL;
1051
1052	ev = (struct wmi_peer_node_event *) datap;
1053
1054	if (ev->event_code == PEER_NODE_JOIN_EVENT)
1055		ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
1056			   ev->peer_mac_addr);
1057	else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
1058		ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
1059			   ev->peer_mac_addr);
1060
1061	return 0;
1062}
1063
1064static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
1065					   struct ath6kl_vif *vif)
1066{
1067	struct wmi_tkip_micerr_event *ev;
1068
1069	if (len < sizeof(struct wmi_tkip_micerr_event))
1070		return -EINVAL;
1071
1072	ev = (struct wmi_tkip_micerr_event *) datap;
1073
1074	ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
1075
1076	return 0;
1077}
1078
1079void ath6kl_wmi_sscan_timer(struct timer_list *t)
1080{
1081	struct ath6kl_vif *vif = from_timer(vif, t, sched_scan_timer);
1082
1083	cfg80211_sched_scan_results(vif->ar->wiphy, 0);
1084}
1085
1086static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
1087				       struct ath6kl_vif *vif)
1088{
1089	struct wmi_bss_info_hdr2 *bih;
1090	u8 *buf;
1091	struct ieee80211_channel *channel;
1092	struct ath6kl *ar = wmi->parent_dev;
1093	struct cfg80211_bss *bss;
1094
1095	if (len <= sizeof(struct wmi_bss_info_hdr2))
1096		return -EINVAL;
1097
1098	bih = (struct wmi_bss_info_hdr2 *) datap;
1099	buf = datap + sizeof(struct wmi_bss_info_hdr2);
1100	len -= sizeof(struct wmi_bss_info_hdr2);
1101
1102	ath6kl_dbg(ATH6KL_DBG_WMI,
1103		   "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1104		   "frame_type=%d\n",
1105		   bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1106		   bih->frame_type);
1107
1108	if (bih->frame_type != BEACON_FTYPE &&
1109	    bih->frame_type != PROBERESP_FTYPE)
1110		return 0; /* Only update BSS table for now */
1111
1112	if (bih->frame_type == BEACON_FTYPE &&
1113	    test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1114		clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1115		ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1116					 NONE_BSS_FILTER, 0);
1117	}
1118
1119	channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1120	if (channel == NULL)
1121		return -EINVAL;
1122
1123	if (len < 8 + 2 + 2)
1124		return -EINVAL;
1125
1126	if (bih->frame_type == BEACON_FTYPE &&
1127	    test_bit(CONNECTED, &vif->flags) &&
1128	    memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1129		const u8 *tim;
1130		tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1131				       len - 8 - 2 - 2);
1132		if (tim && tim[1] >= 2) {
1133			vif->assoc_bss_dtim_period = tim[3];
1134			set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1135		}
1136	}
1137
1138	bss = cfg80211_inform_bss(ar->wiphy, channel,
1139				  bih->frame_type == BEACON_FTYPE ?
1140					CFG80211_BSS_FTYPE_BEACON :
1141					CFG80211_BSS_FTYPE_PRESP,
1142				  bih->bssid, get_unaligned_le64((__le64 *)buf),
1143				  get_unaligned_le16(((__le16 *)buf) + 5),
1144				  get_unaligned_le16(((__le16 *)buf) + 4),
1145				  buf + 8 + 2 + 2, len - 8 - 2 - 2,
1146				  (bih->snr - 95) * 100, GFP_ATOMIC);
1147	if (bss == NULL)
1148		return -ENOMEM;
1149	cfg80211_put_bss(ar->wiphy, bss);
1150
1151	/*
1152	 * Firmware doesn't return any event when scheduled scan has
1153	 * finished, so we need to use a timer to find out when there are
1154	 * no more results.
1155	 *
1156	 * The timer is started from the first bss info received, otherwise
1157	 * the timer would not ever fire if the scan interval is short
1158	 * enough.
1159	 */
1160	if (test_bit(SCHED_SCANNING, &vif->flags) &&
1161	    !timer_pending(&vif->sched_scan_timer)) {
1162		mod_timer(&vif->sched_scan_timer, jiffies +
1163			  msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1164	}
1165
1166	return 0;
1167}
1168
1169/* Inactivity timeout of a fatpipe(pstream) at the target */
1170static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1171					       int len)
1172{
1173	struct wmi_pstream_timeout_event *ev;
1174
1175	if (len < sizeof(struct wmi_pstream_timeout_event))
1176		return -EINVAL;
1177
1178	ev = (struct wmi_pstream_timeout_event *) datap;
1179	if (ev->traffic_class >= WMM_NUM_AC) {
1180		ath6kl_err("invalid traffic class: %d\n", ev->traffic_class);
1181		return -EINVAL;
1182	}
1183
1184	/*
1185	 * When the pstream (fat pipe == AC) timesout, it means there were
1186	 * no thinStreams within this pstream & it got implicitly created
1187	 * due to data flow on this AC. We start the inactivity timer only
1188	 * for implicitly created pstream. Just reset the host state.
1189	 */
1190	spin_lock_bh(&wmi->lock);
1191	wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1192	wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1193	spin_unlock_bh(&wmi->lock);
1194
1195	/* Indicate inactivity to driver layer for this fatpipe (pstream) */
1196	ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1197
1198	return 0;
1199}
1200
1201static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1202{
1203	struct wmi_bit_rate_reply *reply;
1204	u32 index;
1205
1206	if (len < sizeof(struct wmi_bit_rate_reply))
1207		return -EINVAL;
1208
1209	reply = (struct wmi_bit_rate_reply *) datap;
1210
1211	ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1212
1213	if (reply->rate_index != (s8) RATE_AUTO) {
1214		index = reply->rate_index & 0x7f;
1215		if (WARN_ON_ONCE(index > (RATE_MCS_7_40 + 1)))
1216			return -EINVAL;
1217	}
1218
1219	ath6kl_wakeup_event(wmi->parent_dev);
1220
1221	return 0;
1222}
1223
1224static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1225{
1226	ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1227
1228	return 0;
1229}
1230
1231static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1232{
1233	if (len < sizeof(struct wmi_fix_rates_reply))
1234		return -EINVAL;
1235
1236	ath6kl_wakeup_event(wmi->parent_dev);
1237
1238	return 0;
1239}
1240
1241static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1242{
1243	if (len < sizeof(struct wmi_channel_list_reply))
1244		return -EINVAL;
1245
1246	ath6kl_wakeup_event(wmi->parent_dev);
1247
1248	return 0;
1249}
1250
1251static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1252{
1253	struct wmi_tx_pwr_reply *reply;
1254
1255	if (len < sizeof(struct wmi_tx_pwr_reply))
1256		return -EINVAL;
1257
1258	reply = (struct wmi_tx_pwr_reply *) datap;
1259	ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1260
1261	return 0;
1262}
1263
1264static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1265{
1266	if (len < sizeof(struct wmi_get_keepalive_cmd))
1267		return -EINVAL;
1268
1269	ath6kl_wakeup_event(wmi->parent_dev);
1270
1271	return 0;
1272}
1273
1274static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1275				       struct ath6kl_vif *vif)
1276{
1277	struct wmi_scan_complete_event *ev;
1278
1279	ev = (struct wmi_scan_complete_event *) datap;
1280
1281	ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1282	wmi->is_probe_ssid = false;
1283
1284	return 0;
1285}
1286
1287static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1288					       int len, struct ath6kl_vif *vif)
1289{
1290	struct wmi_neighbor_report_event *ev;
1291	u8 i;
1292
1293	if (len < sizeof(*ev))
1294		return -EINVAL;
1295	ev = (struct wmi_neighbor_report_event *) datap;
1296	if (struct_size(ev, neighbor, ev->num_neighbors) > len) {
1297		ath6kl_dbg(ATH6KL_DBG_WMI,
1298			   "truncated neighbor event (num=%d len=%d)\n",
1299			   ev->num_neighbors, len);
1300		return -EINVAL;
1301	}
1302	for (i = 0; i < ev->num_neighbors; i++) {
1303		ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1304			   i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1305			   ev->neighbor[i].bss_flags);
1306		cfg80211_pmksa_candidate_notify(vif->ndev, i,
1307						ev->neighbor[i].bssid,
1308						!!(ev->neighbor[i].bss_flags &
1309						   WMI_PREAUTH_CAPABLE_BSS),
1310						GFP_ATOMIC);
1311	}
1312
1313	return 0;
1314}
1315
1316/*
1317 * Target is reporting a programming error.  This is for
1318 * developer aid only.  Target only checks a few common violations
1319 * and it is responsibility of host to do all error checking.
1320 * Behavior of target after wmi error event is undefined.
1321 * A reset is recommended.
1322 */
1323static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1324{
1325	const char *type = "unknown error";
1326	struct wmi_cmd_error_event *ev;
1327	ev = (struct wmi_cmd_error_event *) datap;
1328
1329	switch (ev->err_code) {
1330	case INVALID_PARAM:
1331		type = "invalid parameter";
1332		break;
1333	case ILLEGAL_STATE:
1334		type = "invalid state";
1335		break;
1336	case INTERNAL_ERROR:
1337		type = "internal error";
1338		break;
1339	}
1340
1341	ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1342		   ev->cmd_id, type);
1343
1344	return 0;
1345}
1346
1347static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1348				     struct ath6kl_vif *vif)
1349{
1350	ath6kl_tgt_stats_event(vif, datap, len);
1351
1352	return 0;
1353}
1354
1355static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1356					 struct sq_threshold_params *sq_thresh,
1357					 u32 size)
1358{
1359	u32 index;
1360	u8 threshold = (u8) sq_thresh->upper_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->upper_threshold[index]) {
1365			threshold = (u8) sq_thresh->upper_threshold[index];
1366			break;
1367		}
1368	}
1369
1370	return threshold;
1371}
1372
1373static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1374					 struct sq_threshold_params *sq_thresh,
1375					 u32 size)
1376{
1377	u32 index;
1378	u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1379
1380	/* The list is already in sorted order. Get the next lower value */
1381	for (index = 0; index < size; index++) {
1382		if (rssi > sq_thresh->lower_threshold[index]) {
1383			threshold = (u8) sq_thresh->lower_threshold[index];
1384			break;
1385		}
1386	}
1387
1388	return threshold;
1389}
1390
1391static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1392			struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1393{
1394	struct sk_buff *skb;
1395	struct wmi_rssi_threshold_params_cmd *cmd;
1396
1397	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1398	if (!skb)
1399		return -ENOMEM;
1400
1401	cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1402	memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1403
1404	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1405				   NO_SYNC_WMIFLAG);
1406}
1407
1408static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1409					      int len)
1410{
1411	struct wmi_rssi_threshold_event *reply;
1412	struct wmi_rssi_threshold_params_cmd cmd;
1413	struct sq_threshold_params *sq_thresh;
1414	enum wmi_rssi_threshold_val new_threshold;
1415	u8 upper_rssi_threshold, lower_rssi_threshold;
1416	s16 rssi;
1417	int ret;
1418
1419	if (len < sizeof(struct wmi_rssi_threshold_event))
1420		return -EINVAL;
1421
1422	reply = (struct wmi_rssi_threshold_event *) datap;
1423	new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1424	rssi = a_sle16_to_cpu(reply->rssi);
1425
1426	sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1427
1428	/*
1429	 * Identify the threshold breached and communicate that to the app.
1430	 * After that install a new set of thresholds based on the signal
1431	 * quality reported by the target
1432	 */
1433	if (new_threshold) {
1434		/* Upper threshold breached */
1435		if (rssi < sq_thresh->upper_threshold[0]) {
1436			ath6kl_dbg(ATH6KL_DBG_WMI,
1437				   "spurious upper rssi threshold event: %d\n",
1438				   rssi);
1439		} else if ((rssi < sq_thresh->upper_threshold[1]) &&
1440			   (rssi >= sq_thresh->upper_threshold[0])) {
1441			new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1442		} else if ((rssi < sq_thresh->upper_threshold[2]) &&
1443			   (rssi >= sq_thresh->upper_threshold[1])) {
1444			new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1445		} else if ((rssi < sq_thresh->upper_threshold[3]) &&
1446			   (rssi >= sq_thresh->upper_threshold[2])) {
1447			new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1448		} else if ((rssi < sq_thresh->upper_threshold[4]) &&
1449			   (rssi >= sq_thresh->upper_threshold[3])) {
1450			new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1451		} else if ((rssi < sq_thresh->upper_threshold[5]) &&
1452			   (rssi >= sq_thresh->upper_threshold[4])) {
1453			new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1454		} else if (rssi >= sq_thresh->upper_threshold[5]) {
1455			new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1456		}
1457	} else {
1458		/* Lower threshold breached */
1459		if (rssi > sq_thresh->lower_threshold[0]) {
1460			ath6kl_dbg(ATH6KL_DBG_WMI,
1461				   "spurious lower rssi threshold event: %d %d\n",
1462				rssi, sq_thresh->lower_threshold[0]);
1463		} else if ((rssi > sq_thresh->lower_threshold[1]) &&
1464			   (rssi <= sq_thresh->lower_threshold[0])) {
1465			new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1466		} else if ((rssi > sq_thresh->lower_threshold[2]) &&
1467			   (rssi <= sq_thresh->lower_threshold[1])) {
1468			new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1469		} else if ((rssi > sq_thresh->lower_threshold[3]) &&
1470			   (rssi <= sq_thresh->lower_threshold[2])) {
1471			new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1472		} else if ((rssi > sq_thresh->lower_threshold[4]) &&
1473			   (rssi <= sq_thresh->lower_threshold[3])) {
1474			new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1475		} else if ((rssi > sq_thresh->lower_threshold[5]) &&
1476			   (rssi <= sq_thresh->lower_threshold[4])) {
1477			new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1478		} else if (rssi <= sq_thresh->lower_threshold[5]) {
1479			new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1480		}
1481	}
1482
1483	/* Calculate and install the next set of thresholds */
1484	lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1485				       sq_thresh->lower_threshold_valid_count);
1486	upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1487				       sq_thresh->upper_threshold_valid_count);
1488
1489	/* Issue a wmi command to install the thresholds */
1490	cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1491	cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1492	cmd.weight = sq_thresh->weight;
1493	cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1494
1495	ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1496	if (ret) {
1497		ath6kl_err("unable to configure rssi thresholds\n");
1498		return -EIO;
1499	}
1500
1501	return 0;
1502}
1503
1504static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1505				   struct ath6kl_vif *vif)
1506{
1507	struct wmi_cac_event *reply;
1508	struct ieee80211_tspec_ie *ts;
1509	u16 active_tsids, tsinfo;
1510	u8 tsid, index;
1511	u8 ts_id;
1512
1513	if (len < sizeof(struct wmi_cac_event))
1514		return -EINVAL;
1515
1516	reply = (struct wmi_cac_event *) datap;
1517	if (reply->ac >= WMM_NUM_AC) {
1518		ath6kl_err("invalid AC: %d\n", reply->ac);
1519		return -EINVAL;
1520	}
1521
1522	if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1523	    (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1524		ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1525		tsinfo = le16_to_cpu(ts->tsinfo);
1526		tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1527			IEEE80211_WMM_IE_TSPEC_TID_MASK;
1528
1529		ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1530					      reply->ac, tsid);
1531	} else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1532		/*
1533		 * Following assumes that there is only one outstanding
1534		 * ADDTS request when this event is received
1535		 */
1536		spin_lock_bh(&wmi->lock);
1537		active_tsids = wmi->stream_exist_for_ac[reply->ac];
1538		spin_unlock_bh(&wmi->lock);
1539
1540		for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1541			if ((active_tsids >> index) & 1)
1542				break;
1543		}
1544		if (index < (sizeof(active_tsids) * 8))
1545			ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1546						      reply->ac, index);
1547	}
1548
1549	/*
1550	 * Clear active tsids and Add missing handling
1551	 * for delete qos stream from AP
1552	 */
1553	else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1554		ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1555		tsinfo = le16_to_cpu(ts->tsinfo);
1556		ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1557			 IEEE80211_WMM_IE_TSPEC_TID_MASK);
1558
1559		spin_lock_bh(&wmi->lock);
1560		wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1561		active_tsids = wmi->stream_exist_for_ac[reply->ac];
1562		spin_unlock_bh(&wmi->lock);
1563
1564		/* Indicate stream inactivity to driver layer only if all tsids
1565		 * within this AC are deleted.
1566		 */
1567		if (!active_tsids) {
1568			ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1569						    false);
1570			wmi->fat_pipe_exist &= ~(1 << reply->ac);
1571		}
1572	}
1573
1574	return 0;
1575}
1576
1577static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,
1578					  struct ath6kl_vif *vif)
1579{
1580	struct wmi_txe_notify_event *ev;
1581	u32 rate, pkts;
1582
1583	if (len < sizeof(*ev))
1584		return -EINVAL;
1585
1586	if (vif->nw_type != INFRA_NETWORK ||
1587	    !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY,
1588		      vif->ar->fw_capabilities))
1589		return -EOPNOTSUPP;
1590
1591	if (vif->sme_state != SME_CONNECTED)
1592		return -ENOTCONN;
1593
1594	ev = (struct wmi_txe_notify_event *) datap;
1595	rate = le32_to_cpu(ev->rate);
1596	pkts = le32_to_cpu(ev->pkts);
1597
1598	ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d%% pkts %d intvl %ds\n",
1599		   vif->bssid, rate, pkts, vif->txe_intvl);
1600
1601	cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,
1602				rate, vif->txe_intvl, GFP_KERNEL);
1603
1604	return 0;
1605}
1606
1607int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
1608			      u32 rate, u32 pkts, u32 intvl)
1609{
1610	struct sk_buff *skb;
1611	struct wmi_txe_notify_cmd *cmd;
1612
1613	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1614	if (!skb)
1615		return -ENOMEM;
1616
1617	cmd = (struct wmi_txe_notify_cmd *) skb->data;
1618	cmd->rate = cpu_to_le32(rate);
1619	cmd->pkts = cpu_to_le32(pkts);
1620	cmd->intvl = cpu_to_le32(intvl);
1621
1622	return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,
1623				   NO_SYNC_WMIFLAG);
1624}
1625
1626int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
1627{
1628	struct sk_buff *skb;
1629	struct wmi_set_rssi_filter_cmd *cmd;
1630	int ret;
1631
1632	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1633	if (!skb)
1634		return -ENOMEM;
1635
1636	cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
1637	cmd->rssi = rssi;
1638
1639	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,
1640				  NO_SYNC_WMIFLAG);
1641	return ret;
1642}
1643
1644static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1645			struct wmi_snr_threshold_params_cmd *snr_cmd)
1646{
1647	struct sk_buff *skb;
1648	struct wmi_snr_threshold_params_cmd *cmd;
1649
1650	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1651	if (!skb)
1652		return -ENOMEM;
1653
1654	cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1655	memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1656
1657	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1658				   NO_SYNC_WMIFLAG);
1659}
1660
1661static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1662					     int len)
1663{
1664	struct wmi_snr_threshold_event *reply;
1665	struct sq_threshold_params *sq_thresh;
1666	struct wmi_snr_threshold_params_cmd cmd;
1667	enum wmi_snr_threshold_val new_threshold;
1668	u8 upper_snr_threshold, lower_snr_threshold;
1669	s16 snr;
1670	int ret;
1671
1672	if (len < sizeof(struct wmi_snr_threshold_event))
1673		return -EINVAL;
1674
1675	reply = (struct wmi_snr_threshold_event *) datap;
1676
1677	new_threshold = (enum wmi_snr_threshold_val) reply->range;
1678	snr = reply->snr;
1679
1680	sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1681
1682	/*
1683	 * Identify the threshold breached and communicate that to the app.
1684	 * After that install a new set of thresholds based on the signal
1685	 * quality reported by the target.
1686	 */
1687	if (new_threshold) {
1688		/* Upper threshold breached */
1689		if (snr < sq_thresh->upper_threshold[0]) {
1690			ath6kl_dbg(ATH6KL_DBG_WMI,
1691				   "spurious upper snr threshold event: %d\n",
1692				   snr);
1693		} else if ((snr < sq_thresh->upper_threshold[1]) &&
1694			   (snr >= sq_thresh->upper_threshold[0])) {
1695			new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1696		} else if ((snr < sq_thresh->upper_threshold[2]) &&
1697			   (snr >= sq_thresh->upper_threshold[1])) {
1698			new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1699		} else if ((snr < sq_thresh->upper_threshold[3]) &&
1700			   (snr >= sq_thresh->upper_threshold[2])) {
1701			new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1702		} else if (snr >= sq_thresh->upper_threshold[3]) {
1703			new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1704		}
1705	} else {
1706		/* Lower threshold breached */
1707		if (snr > sq_thresh->lower_threshold[0]) {
1708			ath6kl_dbg(ATH6KL_DBG_WMI,
1709				   "spurious lower snr threshold event: %d\n",
1710				   sq_thresh->lower_threshold[0]);
1711		} else if ((snr > sq_thresh->lower_threshold[1]) &&
1712			   (snr <= sq_thresh->lower_threshold[0])) {
1713			new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1714		} else if ((snr > sq_thresh->lower_threshold[2]) &&
1715			   (snr <= sq_thresh->lower_threshold[1])) {
1716			new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1717		} else if ((snr > sq_thresh->lower_threshold[3]) &&
1718			   (snr <= sq_thresh->lower_threshold[2])) {
1719			new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1720		} else if (snr <= sq_thresh->lower_threshold[3]) {
1721			new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1722		}
1723	}
1724
1725	/* Calculate and install the next set of thresholds */
1726	lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1727				       sq_thresh->lower_threshold_valid_count);
1728	upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1729				       sq_thresh->upper_threshold_valid_count);
1730
1731	/* Issue a wmi command to install the thresholds */
1732	cmd.thresh_above1_val = upper_snr_threshold;
1733	cmd.thresh_below1_val = lower_snr_threshold;
1734	cmd.weight = sq_thresh->weight;
1735	cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1736
1737	ath6kl_dbg(ATH6KL_DBG_WMI,
1738		   "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1739		   snr, new_threshold,
1740		   lower_snr_threshold, upper_snr_threshold);
1741
1742	ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1743	if (ret) {
1744		ath6kl_err("unable to configure snr threshold\n");
1745		return -EIO;
1746	}
1747
1748	return 0;
1749}
1750
1751static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1752{
1753	u16 ap_info_entry_size;
1754	struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1755	struct wmi_ap_info_v1 *ap_info_v1;
1756	u8 index;
1757
1758	if (len < sizeof(struct wmi_aplist_event) ||
1759	    ev->ap_list_ver != APLIST_VER1)
1760		return -EINVAL;
1761
1762	ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1763	ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1764
1765	ath6kl_dbg(ATH6KL_DBG_WMI,
1766		   "number of APs in aplist event: %d\n", ev->num_ap);
1767
1768	if (len < (int) (sizeof(struct wmi_aplist_event) +
1769			 (ev->num_ap - 1) * ap_info_entry_size))
1770		return -EINVAL;
1771
1772	/* AP list version 1 contents */
1773	for (index = 0; index < ev->num_ap; index++) {
1774		ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1775			   index, ap_info_v1->bssid, ap_info_v1->channel);
1776		ap_info_v1++;
1777	}
1778
1779	return 0;
1780}
1781
1782int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1783			enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1784{
1785	struct wmi_cmd_hdr *cmd_hdr;
1786	enum htc_endpoint_id ep_id = wmi->ep_id;
1787	int ret;
1788	u16 info1;
1789
1790	if (WARN_ON(skb == NULL ||
1791		    (if_idx > (wmi->parent_dev->vif_max - 1)))) {
1792		dev_kfree_skb(skb);
1793		return -EINVAL;
1794	}
1795
1796	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1797		   cmd_id, skb->len, sync_flag);
1798	ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1799			skb->data, skb->len);
1800
1801	if (sync_flag >= END_WMIFLAG) {
1802		dev_kfree_skb(skb);
1803		return -EINVAL;
1804	}
1805
1806	if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1807	    (sync_flag == SYNC_BOTH_WMIFLAG)) {
1808		/*
1809		 * Make sure all data currently queued is transmitted before
1810		 * the cmd execution.  Establish a new sync point.
1811		 */
1812		ath6kl_wmi_sync_point(wmi, if_idx);
1813	}
1814
1815	skb_push(skb, sizeof(struct wmi_cmd_hdr));
1816
1817	cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1818	cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1819	info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1820	cmd_hdr->info1 = cpu_to_le16(info1);
1821
1822	/* Only for OPT_TX_CMD, use BE endpoint. */
1823	if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1824		ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE, false,
1825				WMI_DATA_HDR_DATA_TYPE_802_3, 0, NULL, if_idx);
1826		if (ret) {
1827			dev_kfree_skb(skb);
1828			return ret;
1829		}
1830		ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1831	}
1832
1833	ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1834
1835	if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1836	    (sync_flag == SYNC_BOTH_WMIFLAG)) {
1837		/*
1838		 * Make sure all new data queued waits for the command to
1839		 * execute. Establish a new sync point.
1840		 */
1841		ath6kl_wmi_sync_point(wmi, if_idx);
1842	}
1843
1844	return 0;
1845}
1846
1847int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1848			   enum network_type nw_type,
1849			   enum dot11_auth_mode dot11_auth_mode,
1850			   enum auth_mode auth_mode,
1851			   enum ath6kl_crypto_type pairwise_crypto,
1852			   u8 pairwise_crypto_len,
1853			   enum ath6kl_crypto_type group_crypto,
1854			   u8 group_crypto_len, int ssid_len, u8 *ssid,
1855			   u8 *bssid, u16 channel, u32 ctrl_flags,
1856			   u8 nw_subtype)
1857{
1858	struct sk_buff *skb;
1859	struct wmi_connect_cmd *cc;
1860	int ret;
1861
1862	ath6kl_dbg(ATH6KL_DBG_WMI,
1863		   "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1864		   "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1865		   bssid, channel, ctrl_flags, ssid_len, nw_type,
1866		   dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1867	ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1868
1869	wmi->traffic_class = 100;
1870
1871	if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1872		return -EINVAL;
1873
1874	if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1875		return -EINVAL;
1876
1877	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1878	if (!skb)
1879		return -ENOMEM;
1880
1881	cc = (struct wmi_connect_cmd *) skb->data;
1882
1883	if (ssid_len)
1884		memcpy(cc->ssid, ssid, ssid_len);
1885
1886	cc->ssid_len = ssid_len;
1887	cc->nw_type = nw_type;
1888	cc->dot11_auth_mode = dot11_auth_mode;
1889	cc->auth_mode = auth_mode;
1890	cc->prwise_crypto_type = pairwise_crypto;
1891	cc->prwise_crypto_len = pairwise_crypto_len;
1892	cc->grp_crypto_type = group_crypto;
1893	cc->grp_crypto_len = group_crypto_len;
1894	cc->ch = cpu_to_le16(channel);
1895	cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1896	cc->nw_subtype = nw_subtype;
1897
1898	if (bssid != NULL)
1899		memcpy(cc->bssid, bssid, ETH_ALEN);
1900
1901	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1902				  NO_SYNC_WMIFLAG);
1903
1904	return ret;
1905}
1906
1907int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1908			     u16 channel)
1909{
1910	struct sk_buff *skb;
1911	struct wmi_reconnect_cmd *cc;
1912	int ret;
1913
1914	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1915		   bssid, channel);
1916
1917	wmi->traffic_class = 100;
1918
1919	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1920	if (!skb)
1921		return -ENOMEM;
1922
1923	cc = (struct wmi_reconnect_cmd *) skb->data;
1924	cc->channel = cpu_to_le16(channel);
1925
1926	if (bssid != NULL)
1927		memcpy(cc->bssid, bssid, ETH_ALEN);
1928
1929	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1930				  NO_SYNC_WMIFLAG);
1931
1932	return ret;
1933}
1934
1935int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1936{
1937	int ret;
1938
1939	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1940
1941	wmi->traffic_class = 100;
1942
1943	/* Disconnect command does not need to do a SYNC before. */
1944	ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1945
1946	return ret;
1947}
1948
1949/* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1950 * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1951 * mgmt operations using station interface.
1952 */
1953static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1954				    enum wmi_scan_type scan_type,
1955				    u32 force_fgscan, u32 is_legacy,
1956				    u32 home_dwell_time,
1957				    u32 force_scan_interval,
1958				    s8 num_chan, u16 *ch_list)
1959{
1960	struct sk_buff *skb;
1961	struct wmi_start_scan_cmd *sc;
1962	s8 size;
1963	int i, ret;
1964
1965	size = sizeof(struct wmi_start_scan_cmd);
1966
1967	if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1968		return -EINVAL;
1969
1970	if (num_chan > WMI_MAX_CHANNELS)
1971		return -EINVAL;
1972
1973	if (num_chan)
1974		size += sizeof(u16) * (num_chan - 1);
1975
1976	skb = ath6kl_wmi_get_new_buf(size);
1977	if (!skb)
1978		return -ENOMEM;
1979
1980	sc = (struct wmi_start_scan_cmd *) skb->data;
1981	sc->scan_type = scan_type;
1982	sc->force_fg_scan = cpu_to_le32(force_fgscan);
1983	sc->is_legacy = cpu_to_le32(is_legacy);
1984	sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1985	sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1986	sc->num_ch = num_chan;
1987
1988	for (i = 0; i < num_chan; i++)
1989		sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1990
1991	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1992				  NO_SYNC_WMIFLAG);
1993
1994	return ret;
1995}
1996
1997/*
1998 * beginscan supports (compared to old startscan) P2P mgmt operations using
1999 * station interface, send additional information like supported rates to
2000 * advertise and xmit rates for probe requests
2001 */
2002int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
2003			     enum wmi_scan_type scan_type,
2004			     u32 force_fgscan, u32 is_legacy,
2005			     u32 home_dwell_time, u32 force_scan_interval,
2006			     s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
2007{
2008	struct ieee80211_supported_band *sband;
2009	struct sk_buff *skb;
2010	struct wmi_begin_scan_cmd *sc;
2011	s8 size, *supp_rates;
2012	int i, band, ret;
2013	struct ath6kl *ar = wmi->parent_dev;
2014	int num_rates;
2015	u32 ratemask;
2016
2017	if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
2018		      ar->fw_capabilities)) {
2019		return ath6kl_wmi_startscan_cmd(wmi, if_idx,
2020						scan_type, force_fgscan,
2021						is_legacy, home_dwell_time,
2022						force_scan_interval,
2023						num_chan, ch_list);
2024	}
2025
2026	size = sizeof(struct wmi_begin_scan_cmd);
2027
2028	if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
2029		return -EINVAL;
2030
2031	if (num_chan > WMI_MAX_CHANNELS)
2032		return -EINVAL;
2033
2034	if (num_chan)
2035		size += sizeof(u16) * (num_chan - 1);
2036
2037	skb = ath6kl_wmi_get_new_buf(size);
2038	if (!skb)
2039		return -ENOMEM;
2040
2041	sc = (struct wmi_begin_scan_cmd *) skb->data;
2042	sc->scan_type = scan_type;
2043	sc->force_fg_scan = cpu_to_le32(force_fgscan);
2044	sc->is_legacy = cpu_to_le32(is_legacy);
2045	sc->home_dwell_time = cpu_to_le32(home_dwell_time);
2046	sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
2047	sc->no_cck = cpu_to_le32(no_cck);
2048	sc->num_ch = num_chan;
2049
2050	for (band = 0; band < NUM_NL80211_BANDS; band++) {
2051		sband = ar->wiphy->bands[band];
2052
2053		if (!sband)
2054			continue;
2055
2056		if (WARN_ON(band >= ATH6KL_NUM_BANDS))
2057			break;
2058
2059		ratemask = rates[band];
2060		supp_rates = sc->supp_rates[band].rates;
2061		num_rates = 0;
2062
2063		for (i = 0; i < sband->n_bitrates; i++) {
2064			if ((BIT(i) & ratemask) == 0)
2065				continue; /* skip rate */
2066			supp_rates[num_rates++] =
2067			    (u8) (sband->bitrates[i].bitrate / 5);
2068		}
2069		sc->supp_rates[band].nrates = num_rates;
2070	}
2071
2072	for (i = 0; i < num_chan; i++)
2073		sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2074
2075	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
2076				  NO_SYNC_WMIFLAG);
2077
2078	return ret;
2079}
2080
2081int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2082{
2083	struct sk_buff *skb;
2084	struct wmi_enable_sched_scan_cmd *sc;
2085	int ret;
2086
2087	skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2088	if (!skb)
2089		return -ENOMEM;
2090
2091	ath6kl_dbg(ATH6KL_DBG_WMI, "%s scheduled scan on vif %d\n",
2092		   enable ? "enabling" : "disabling", if_idx);
2093	sc = (struct wmi_enable_sched_scan_cmd *) skb->data;
2094	sc->enable = enable ? 1 : 0;
2095
2096	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2097				  WMI_ENABLE_SCHED_SCAN_CMDID,
2098				  NO_SYNC_WMIFLAG);
2099	return ret;
2100}
2101
2102int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
2103			      u16 fg_start_sec,
2104			      u16 fg_end_sec, u16 bg_sec,
2105			      u16 minact_chdw_msec, u16 maxact_chdw_msec,
2106			      u16 pas_chdw_msec, u8 short_scan_ratio,
2107			      u8 scan_ctrl_flag, u32 max_dfsch_act_time,
2108			      u16 maxact_scan_per_ssid)
2109{
2110	struct sk_buff *skb;
2111	struct wmi_scan_params_cmd *sc;
2112	int ret;
2113
2114	skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2115	if (!skb)
2116		return -ENOMEM;
2117
2118	sc = (struct wmi_scan_params_cmd *) skb->data;
2119	sc->fg_start_period = cpu_to_le16(fg_start_sec);
2120	sc->fg_end_period = cpu_to_le16(fg_end_sec);
2121	sc->bg_period = cpu_to_le16(bg_sec);
2122	sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
2123	sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
2124	sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
2125	sc->short_scan_ratio = short_scan_ratio;
2126	sc->scan_ctrl_flags = scan_ctrl_flag;
2127	sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
2128	sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
2129
2130	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
2131				  NO_SYNC_WMIFLAG);
2132	return ret;
2133}
2134
2135int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
2136{
2137	struct sk_buff *skb;
2138	struct wmi_bss_filter_cmd *cmd;
2139	int ret;
2140
2141	if (filter >= LAST_BSS_FILTER)
2142		return -EINVAL;
2143
2144	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2145	if (!skb)
2146		return -ENOMEM;
2147
2148	cmd = (struct wmi_bss_filter_cmd *) skb->data;
2149	cmd->bss_filter = filter;
2150	cmd->ie_mask = cpu_to_le32(ie_mask);
2151
2152	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
2153				  NO_SYNC_WMIFLAG);
2154	return ret;
2155}
2156
2157int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2158			      u8 ssid_len, u8 *ssid)
2159{
2160	struct sk_buff *skb;
2161	struct wmi_probed_ssid_cmd *cmd;
2162	int ret;
2163
2164	if (index >= MAX_PROBED_SSIDS)
2165		return -EINVAL;
2166
2167	if (ssid_len > sizeof(cmd->ssid))
2168		return -EINVAL;
2169
2170	if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2171		return -EINVAL;
2172
2173	if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2174		return -EINVAL;
2175
2176	if (flag & SPECIFIC_SSID_FLAG)
2177		wmi->is_probe_ssid = true;
2178
2179	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2180	if (!skb)
2181		return -ENOMEM;
2182
2183	cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2184	cmd->entry_index = index;
2185	cmd->flag = flag;
2186	cmd->ssid_len = ssid_len;
2187	memcpy(cmd->ssid, ssid, ssid_len);
2188
2189	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2190				  NO_SYNC_WMIFLAG);
2191	return ret;
2192}
2193
2194int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2195				  u16 listen_interval,
2196				  u16 listen_beacons)
2197{
2198	struct sk_buff *skb;
2199	struct wmi_listen_int_cmd *cmd;
2200	int ret;
2201
2202	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2203	if (!skb)
2204		return -ENOMEM;
2205
2206	cmd = (struct wmi_listen_int_cmd *) skb->data;
2207	cmd->listen_intvl = cpu_to_le16(listen_interval);
2208	cmd->num_beacons = cpu_to_le16(listen_beacons);
2209
2210	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2211				  NO_SYNC_WMIFLAG);
2212	return ret;
2213}
2214
2215int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2216			     u16 bmiss_time, u16 num_beacons)
2217{
2218	struct sk_buff *skb;
2219	struct wmi_bmiss_time_cmd *cmd;
2220	int ret;
2221
2222	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2223	if (!skb)
2224		return -ENOMEM;
2225
2226	cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2227	cmd->bmiss_time = cpu_to_le16(bmiss_time);
2228	cmd->num_beacons = cpu_to_le16(num_beacons);
2229
2230	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2231				  NO_SYNC_WMIFLAG);
2232	return ret;
2233}
2234
2235int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2236{
2237	struct sk_buff *skb;
2238	struct wmi_power_mode_cmd *cmd;
2239	int ret;
2240
2241	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2242	if (!skb)
2243		return -ENOMEM;
2244
2245	cmd = (struct wmi_power_mode_cmd *) skb->data;
2246	cmd->pwr_mode = pwr_mode;
2247	wmi->pwr_mode = pwr_mode;
2248
2249	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2250				  NO_SYNC_WMIFLAG);
2251	return ret;
2252}
2253
2254int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2255			    u16 ps_poll_num, u16 dtim_policy,
2256			    u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2257			    u16 ps_fail_event_policy)
2258{
2259	struct sk_buff *skb;
2260	struct wmi_power_params_cmd *pm;
2261	int ret;
2262
2263	skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2264	if (!skb)
2265		return -ENOMEM;
2266
2267	pm = (struct wmi_power_params_cmd *)skb->data;
2268	pm->idle_period = cpu_to_le16(idle_period);
2269	pm->pspoll_number = cpu_to_le16(ps_poll_num);
2270	pm->dtim_policy = cpu_to_le16(dtim_policy);
2271	pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2272	pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2273	pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2274
2275	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2276				  NO_SYNC_WMIFLAG);
2277	return ret;
2278}
2279
2280int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2281{
2282	struct sk_buff *skb;
2283	struct wmi_disc_timeout_cmd *cmd;
2284	int ret;
2285
2286	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2287	if (!skb)
2288		return -ENOMEM;
2289
2290	cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2291	cmd->discon_timeout = timeout;
2292
2293	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2294				  NO_SYNC_WMIFLAG);
2295
2296	if (ret == 0)
2297		ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2298
2299	return ret;
2300}
2301
2302int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2303			  enum ath6kl_crypto_type key_type,
2304			  u8 key_usage, u8 key_len,
2305			  u8 *key_rsc, unsigned int key_rsc_len,
2306			  u8 *key_material,
2307			  u8 key_op_ctrl, u8 *mac_addr,
2308			  enum wmi_sync_flag sync_flag)
2309{
2310	struct sk_buff *skb;
2311	struct wmi_add_cipher_key_cmd *cmd;
2312	int ret;
2313
2314	ath6kl_dbg(ATH6KL_DBG_WMI,
2315		   "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2316		   key_index, key_type, key_usage, key_len, key_op_ctrl);
2317
2318	if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2319	    (key_material == NULL) || key_rsc_len > 8)
2320		return -EINVAL;
2321
2322	if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2323		return -EINVAL;
2324
2325	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2326	if (!skb)
2327		return -ENOMEM;
2328
2329	cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2330	cmd->key_index = key_index;
2331	cmd->key_type = key_type;
2332	cmd->key_usage = key_usage;
2333	cmd->key_len = key_len;
2334	memcpy(cmd->key, key_material, key_len);
2335
2336	if (key_rsc != NULL)
2337		memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2338
2339	cmd->key_op_ctrl = key_op_ctrl;
2340
2341	if (mac_addr)
2342		memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2343
2344	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2345				  sync_flag);
2346
2347	return ret;
2348}
2349
2350int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, const u8 *krk)
2351{
2352	struct sk_buff *skb;
2353	struct wmi_add_krk_cmd *cmd;
2354	int ret;
2355
2356	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2357	if (!skb)
2358		return -ENOMEM;
2359
2360	cmd = (struct wmi_add_krk_cmd *) skb->data;
2361	memcpy(cmd->krk, krk, WMI_KRK_LEN);
2362
2363	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2364				  NO_SYNC_WMIFLAG);
2365
2366	return ret;
2367}
2368
2369int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2370{
2371	struct sk_buff *skb;
2372	struct wmi_delete_cipher_key_cmd *cmd;
2373	int ret;
2374
2375	if (key_index > WMI_MAX_KEY_INDEX)
2376		return -EINVAL;
2377
2378	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2379	if (!skb)
2380		return -ENOMEM;
2381
2382	cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2383	cmd->key_index = key_index;
2384
2385	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2386				  NO_SYNC_WMIFLAG);
2387
2388	return ret;
2389}
2390
2391int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2392			    const u8 *pmkid, bool set)
2393{
2394	struct sk_buff *skb;
2395	struct wmi_setpmkid_cmd *cmd;
2396	int ret;
2397
2398	if (bssid == NULL)
2399		return -EINVAL;
2400
2401	if (set && pmkid == NULL)
2402		return -EINVAL;
2403
2404	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2405	if (!skb)
2406		return -ENOMEM;
2407
2408	cmd = (struct wmi_setpmkid_cmd *) skb->data;
2409	memcpy(cmd->bssid, bssid, ETH_ALEN);
2410	if (set) {
2411		memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2412		cmd->enable = PMKID_ENABLE;
2413	} else {
2414		memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2415		cmd->enable = PMKID_DISABLE;
2416	}
2417
2418	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2419				  NO_SYNC_WMIFLAG);
2420
2421	return ret;
2422}
2423
2424static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2425			      enum htc_endpoint_id ep_id, u8 if_idx)
2426{
2427	struct wmi_data_hdr *data_hdr;
2428	int ret;
2429
2430	if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {
2431		dev_kfree_skb(skb);
2432		return -EINVAL;
2433	}
2434
2435	skb_push(skb, sizeof(struct wmi_data_hdr));
2436
2437	data_hdr = (struct wmi_data_hdr *) skb->data;
2438	data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2439	data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2440
2441	ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2442
2443	return ret;
2444}
2445
2446static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2447{
2448	struct sk_buff *skb;
2449	struct wmi_sync_cmd *cmd;
2450	struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2451	enum htc_endpoint_id ep_id;
2452	u8 index, num_pri_streams = 0;
2453	int ret = 0;
2454
2455	memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2456
2457	spin_lock_bh(&wmi->lock);
2458
2459	for (index = 0; index < WMM_NUM_AC; index++) {
2460		if (wmi->fat_pipe_exist & (1 << index)) {
2461			num_pri_streams++;
2462			data_sync_bufs[num_pri_streams - 1].traffic_class =
2463			    index;
2464		}
2465	}
2466
2467	spin_unlock_bh(&wmi->lock);
2468
2469	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2470	if (!skb)
2471		return -ENOMEM;
2472
2473	cmd = (struct wmi_sync_cmd *) skb->data;
2474
2475	/*
2476	 * In the SYNC cmd sent on the control Ep, send a bitmap
2477	 * of the data eps on which the Data Sync will be sent
2478	 */
2479	cmd->data_sync_map = wmi->fat_pipe_exist;
2480
2481	for (index = 0; index < num_pri_streams; index++) {
2482		data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2483		if (data_sync_bufs[index].skb == NULL) {
2484			ret = -ENOMEM;
2485			break;
2486		}
2487	}
2488
2489	/*
2490	 * If buffer allocation for any of the dataSync fails,
2491	 * then do not send the Synchronize cmd on the control ep
2492	 */
2493	if (ret)
2494		goto free_cmd_skb;
2495
2496	/*
2497	 * Send sync cmd followed by sync data messages on all
2498	 * endpoints being used
2499	 */
2500	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2501				  NO_SYNC_WMIFLAG);
2502
2503	if (ret)
2504		goto free_data_skb;
2505
2506	for (index = 0; index < num_pri_streams; index++) {
2507		if (WARN_ON(!data_sync_bufs[index].skb)) {
2508			ret = -ENOMEM;
2509			goto free_data_skb;
2510		}
2511
2512		ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2513					       data_sync_bufs[index].
2514					       traffic_class);
2515		ret =
2516		    ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2517					      ep_id, if_idx);
2518
2519		data_sync_bufs[index].skb = NULL;
2520
2521		if (ret)
2522			goto free_data_skb;
2523	}
2524
2525	return 0;
2526
2527free_cmd_skb:
2528	/* free up any resources left over (possibly due to an error) */
2529	dev_kfree_skb(skb);
2530
2531free_data_skb:
2532	for (index = 0; index < num_pri_streams; index++)
2533		dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].skb);
2534
2535	return ret;
2536}
2537
2538int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2539				  struct wmi_create_pstream_cmd *params)
2540{
2541	struct sk_buff *skb;
2542	struct wmi_create_pstream_cmd *cmd;
2543	u8 fatpipe_exist_for_ac = 0;
2544	s32 min_phy = 0;
2545	s32 nominal_phy = 0;
2546	int ret;
2547
2548	if (!((params->user_pri <= 0x7) &&
2549	      (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2550	      (params->traffic_direc == UPLINK_TRAFFIC ||
2551	       params->traffic_direc == DNLINK_TRAFFIC ||
2552	       params->traffic_direc == BIDIR_TRAFFIC) &&
2553	      (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2554	       params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2555	      (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2556	       params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2557	       params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2558	      (params->tsid == WMI_IMPLICIT_PSTREAM ||
2559	       params->tsid <= WMI_MAX_THINSTREAM))) {
2560		return -EINVAL;
2561	}
2562
2563	/*
2564	 * Check nominal PHY rate is >= minimalPHY,
2565	 * so that DUT can allow TSRS IE
2566	 */
2567
2568	/* Get the physical rate (units of bps) */
2569	min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2570
2571	/* Check minimal phy < nominal phy rate */
2572	if (params->nominal_phy >= min_phy) {
2573		/* unit of 500 kbps */
2574		nominal_phy = (params->nominal_phy * 1000) / 500;
2575		ath6kl_dbg(ATH6KL_DBG_WMI,
2576			   "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2577			   min_phy, nominal_phy);
2578
2579		params->nominal_phy = nominal_phy;
2580	} else {
2581		params->nominal_phy = 0;
2582	}
2583
2584	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2585	if (!skb)
2586		return -ENOMEM;
2587
2588	ath6kl_dbg(ATH6KL_DBG_WMI,
2589		   "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2590		   params->traffic_class, params->tsid);
2591
2592	cmd = (struct wmi_create_pstream_cmd *) skb->data;
2593	memcpy(cmd, params, sizeof(*cmd));
2594
2595	/* This is an implicitly created Fat pipe */
2596	if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2597		spin_lock_bh(&wmi->lock);
2598		fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2599					(1 << params->traffic_class));
2600		wmi->fat_pipe_exist |= (1 << params->traffic_class);
2601		spin_unlock_bh(&wmi->lock);
2602	} else {
2603		/* explicitly created thin stream within a fat pipe */
2604		spin_lock_bh(&wmi->lock);
2605		fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2606					(1 << params->traffic_class));
2607		wmi->stream_exist_for_ac[params->traffic_class] |=
2608		    (1 << params->tsid);
2609		/*
2610		 * If a thinstream becomes active, the fat pipe automatically
2611		 * becomes active
2612		 */
2613		wmi->fat_pipe_exist |= (1 << params->traffic_class);
2614		spin_unlock_bh(&wmi->lock);
2615	}
2616
2617	/*
2618	 * Indicate activty change to driver layer only if this is the
2619	 * first TSID to get created in this AC explicitly or an implicit
2620	 * fat pipe is getting created.
2621	 */
2622	if (!fatpipe_exist_for_ac)
2623		ath6kl_indicate_tx_activity(wmi->parent_dev,
2624					    params->traffic_class, true);
2625
2626	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2627				  NO_SYNC_WMIFLAG);
2628	return ret;
2629}
2630
2631int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2632				  u8 tsid)
2633{
2634	struct sk_buff *skb;
2635	struct wmi_delete_pstream_cmd *cmd;
2636	u16 active_tsids = 0;
2637	int ret;
2638
2639	if (traffic_class >= WMM_NUM_AC) {
2640		ath6kl_err("invalid traffic class: %d\n", traffic_class);
2641		return -EINVAL;
2642	}
2643
2644	if (tsid >= 16) {
2645		ath6kl_err("invalid tsid: %d\n", tsid);
2646		return -EINVAL;
2647	}
2648
2649	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2650	if (!skb)
2651		return -ENOMEM;
2652
2653	cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2654	cmd->traffic_class = traffic_class;
2655	cmd->tsid = tsid;
2656
2657	spin_lock_bh(&wmi->lock);
2658	active_tsids = wmi->stream_exist_for_ac[traffic_class];
2659	spin_unlock_bh(&wmi->lock);
2660
2661	if (!(active_tsids & (1 << tsid))) {
2662		dev_kfree_skb(skb);
2663		ath6kl_dbg(ATH6KL_DBG_WMI,
2664			   "TSID %d doesn't exist for traffic class: %d\n",
2665			   tsid, traffic_class);
2666		return -ENODATA;
2667	}
2668
2669	ath6kl_dbg(ATH6KL_DBG_WMI,
2670		   "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2671		   traffic_class, tsid);
2672
2673	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2674				  SYNC_BEFORE_WMIFLAG);
2675
2676	spin_lock_bh(&wmi->lock);
2677	wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2678	active_tsids = wmi->stream_exist_for_ac[traffic_class];
2679	spin_unlock_bh(&wmi->lock);
2680
2681	/*
2682	 * Indicate stream inactivity to driver layer only if all tsids
2683	 * within this AC are deleted.
2684	 */
2685	if (!active_tsids) {
2686		ath6kl_indicate_tx_activity(wmi->parent_dev,
2687					    traffic_class, false);
2688		wmi->fat_pipe_exist &= ~(1 << traffic_class);
2689	}
2690
2691	return ret;
2692}
2693
2694int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2695			  __be32 ips0, __be32 ips1)
2696{
2697	struct sk_buff *skb;
2698	struct wmi_set_ip_cmd *cmd;
2699	int ret;
2700
2701	/* Multicast address are not valid */
2702	if (ipv4_is_multicast(ips0) ||
2703	    ipv4_is_multicast(ips1))
2704		return -EINVAL;
2705
2706	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2707	if (!skb)
2708		return -ENOMEM;
2709
2710	cmd = (struct wmi_set_ip_cmd *) skb->data;
2711	cmd->ips[0] = ips0;
2712	cmd->ips[1] = ips1;
2713
2714	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2715				  NO_SYNC_WMIFLAG);
2716	return ret;
2717}
2718
2719static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2720{
2721	u16 active_tsids;
2722	u8 stream_exist;
2723	int i;
2724
2725	/*
2726	 * Relinquish credits from all implicitly created pstreams
2727	 * since when we go to sleep. If user created explicit
2728	 * thinstreams exists with in a fatpipe leave them intact
2729	 * for the user to delete.
2730	 */
2731	spin_lock_bh(&wmi->lock);
2732	stream_exist = wmi->fat_pipe_exist;
2733	spin_unlock_bh(&wmi->lock);
2734
2735	for (i = 0; i < WMM_NUM_AC; i++) {
2736		if (stream_exist & (1 << i)) {
2737			/*
2738			 * FIXME: Is this lock & unlock inside
2739			 * for loop correct? may need rework.
2740			 */
2741			spin_lock_bh(&wmi->lock);
2742			active_tsids = wmi->stream_exist_for_ac[i];
2743			spin_unlock_bh(&wmi->lock);
2744
2745			/*
2746			 * If there are no user created thin streams
2747			 * delete the fatpipe
2748			 */
2749			if (!active_tsids) {
2750				stream_exist &= ~(1 << i);
2751				/*
2752				 * Indicate inactivity to driver layer for
2753				 * this fatpipe (pstream)
2754				 */
2755				ath6kl_indicate_tx_activity(wmi->parent_dev,
2756							    i, false);
2757			}
2758		}
2759	}
2760
2761	/* FIXME: Can we do this assignment without locking ? */
2762	spin_lock_bh(&wmi->lock);
2763	wmi->fat_pipe_exist = stream_exist;
2764	spin_unlock_bh(&wmi->lock);
2765}
2766
2767static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2768				     const struct cfg80211_bitrate_mask *mask)
2769{
2770	struct sk_buff *skb;
2771	int ret, mode, band;
2772	u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2773	struct wmi_set_tx_select_rates64_cmd *cmd;
2774
2775	memset(&ratemask, 0, sizeof(ratemask));
2776
2777	/* only check 2.4 and 5 GHz bands, skip the rest */
2778	for (band = 0; band <= NL80211_BAND_5GHZ; band++) {
2779		/* copy legacy rate mask */
2780		ratemask[band] = mask->control[band].legacy;
2781		if (band == NL80211_BAND_5GHZ)
2782			ratemask[band] =
2783				mask->control[band].legacy << 4;
2784
2785		/* copy mcs rate mask */
2786		mcsrate = mask->control[band].ht_mcs[1];
2787		mcsrate <<= 8;
2788		mcsrate |= mask->control[band].ht_mcs[0];
2789		ratemask[band] |= mcsrate << 12;
2790		ratemask[band] |= mcsrate << 28;
2791	}
2792
2793	ath6kl_dbg(ATH6KL_DBG_WMI,
2794		   "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2795		   ratemask[0], ratemask[1]);
2796
2797	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2798	if (!skb)
2799		return -ENOMEM;
2800
2801	cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2802	for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2803		/* A mode operate in 5GHZ band */
2804		if (mode == WMI_RATES_MODE_11A ||
2805		    mode == WMI_RATES_MODE_11A_HT20 ||
2806		    mode == WMI_RATES_MODE_11A_HT40)
2807			band = NL80211_BAND_5GHZ;
2808		else
2809			band = NL80211_BAND_2GHZ;
2810		cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2811	}
2812
2813	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2814				  WMI_SET_TX_SELECT_RATES_CMDID,
2815				  NO_SYNC_WMIFLAG);
2816	return ret;
2817}
2818
2819static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2820				     const struct cfg80211_bitrate_mask *mask)
2821{
2822	struct sk_buff *skb;
2823	int ret, mode, band;
2824	u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2825	struct wmi_set_tx_select_rates32_cmd *cmd;
2826
2827	memset(&ratemask, 0, sizeof(ratemask));
2828
2829	/* only check 2.4 and 5 GHz bands, skip the rest */
2830	for (band = 0; band <= NL80211_BAND_5GHZ; band++) {
2831		/* copy legacy rate mask */
2832		ratemask[band] = mask->control[band].legacy;
2833		if (band == NL80211_BAND_5GHZ)
2834			ratemask[band] =
2835				mask->control[band].legacy << 4;
2836
2837		/* copy mcs rate mask */
2838		mcsrate = mask->control[band].ht_mcs[0];
2839		ratemask[band] |= mcsrate << 12;
2840		ratemask[band] |= mcsrate << 20;
2841	}
2842
2843	ath6kl_dbg(ATH6KL_DBG_WMI,
2844		   "Ratemask 32 bit: 2.4:%x 5:%x\n",
2845		   ratemask[0], ratemask[1]);
2846
2847	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2848	if (!skb)
2849		return -ENOMEM;
2850
2851	cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2852	for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2853		/* A mode operate in 5GHZ band */
2854		if (mode == WMI_RATES_MODE_11A ||
2855		    mode == WMI_RATES_MODE_11A_HT20 ||
2856		    mode == WMI_RATES_MODE_11A_HT40)
2857			band = NL80211_BAND_5GHZ;
2858		else
2859			band = NL80211_BAND_2GHZ;
2860		cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2861	}
2862
2863	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2864				  WMI_SET_TX_SELECT_RATES_CMDID,
2865				  NO_SYNC_WMIFLAG);
2866	return ret;
2867}
2868
2869int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2870				const struct cfg80211_bitrate_mask *mask)
2871{
2872	struct ath6kl *ar = wmi->parent_dev;
2873
2874	if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
2875		     ar->fw_capabilities))
2876		return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
2877	else
2878		return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
2879}
2880
2881int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2882				       enum ath6kl_host_mode host_mode)
2883{
2884	struct sk_buff *skb;
2885	struct wmi_set_host_sleep_mode_cmd *cmd;
2886	int ret;
2887
2888	if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2889	    (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2890		ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2891		return -EINVAL;
2892	}
2893
2894	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2895	if (!skb)
2896		return -ENOMEM;
2897
2898	cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2899
2900	if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2901		ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2902		cmd->asleep = cpu_to_le32(1);
2903	} else {
2904		cmd->awake = cpu_to_le32(1);
2905	}
2906
2907	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2908				  WMI_SET_HOST_SLEEP_MODE_CMDID,
2909				  NO_SYNC_WMIFLAG);
2910	return ret;
2911}
2912
2913/* This command has zero length payload */
2914static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2915						      struct ath6kl_vif *vif)
2916{
2917	struct ath6kl *ar = wmi->parent_dev;
2918
2919	set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2920	wake_up(&ar->event_wq);
2921
2922	return 0;
2923}
2924
2925int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2926				enum ath6kl_wow_mode wow_mode,
2927				u32 filter, u16 host_req_delay)
2928{
2929	struct sk_buff *skb;
2930	struct wmi_set_wow_mode_cmd *cmd;
2931	int ret;
2932
2933	if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2934	    wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2935		ath6kl_err("invalid wow mode: %d\n", wow_mode);
2936		return -EINVAL;
2937	}
2938
2939	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2940	if (!skb)
2941		return -ENOMEM;
2942
2943	cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2944	cmd->enable_wow = cpu_to_le32(wow_mode);
2945	cmd->filter = cpu_to_le32(filter);
2946	cmd->host_req_delay = cpu_to_le16(host_req_delay);
2947
2948	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2949				  NO_SYNC_WMIFLAG);
2950	return ret;
2951}
2952
2953int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2954				   u8 list_id, u8 filter_size,
2955				   u8 filter_offset, const u8 *filter,
2956				   const u8 *mask)
2957{
2958	struct sk_buff *skb;
2959	struct wmi_add_wow_pattern_cmd *cmd;
2960	u16 size;
2961	u8 *filter_mask;
2962	int ret;
2963
2964	/*
2965	 * Allocate additional memory in the buffer to hold
2966	 * filter and mask value, which is twice of filter_size.
2967	 */
2968	size = sizeof(*cmd) + (2 * filter_size);
2969
2970	skb = ath6kl_wmi_get_new_buf(size);
2971	if (!skb)
2972		return -ENOMEM;
2973
2974	cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2975	cmd->filter_list_id = list_id;
2976	cmd->filter_size = filter_size;
2977	cmd->filter_offset = filter_offset;
2978
2979	memcpy(cmd->filter, filter, filter_size);
2980
2981	filter_mask = (u8 *) (cmd->filter + filter_size);
2982	memcpy(filter_mask, mask, filter_size);
2983
2984	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2985				  NO_SYNC_WMIFLAG);
2986
2987	return ret;
2988}
2989
2990int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2991				   u16 list_id, u16 filter_id)
2992{
2993	struct sk_buff *skb;
2994	struct wmi_del_wow_pattern_cmd *cmd;
2995	int ret;
2996
2997	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2998	if (!skb)
2999		return -ENOMEM;
3000
3001	cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
3002	cmd->filter_list_id = cpu_to_le16(list_id);
3003	cmd->filter_id = cpu_to_le16(filter_id);
3004
3005	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
3006				  NO_SYNC_WMIFLAG);
3007	return ret;
3008}
3009
3010static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
3011				    enum wmix_command_id cmd_id,
3012				    enum wmi_sync_flag sync_flag)
3013{
3014	struct wmix_cmd_hdr *cmd_hdr;
3015	int ret;
3016
3017	skb_push(skb, sizeof(struct wmix_cmd_hdr));
3018
3019	cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
3020	cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
3021
3022	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
3023
3024	return ret;
3025}
3026
3027int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
3028{
3029	struct sk_buff *skb;
3030	struct wmix_hb_challenge_resp_cmd *cmd;
3031	int ret;
3032
3033	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3034	if (!skb)
3035		return -ENOMEM;
3036
3037	cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
3038	cmd->cookie = cpu_to_le32(cookie);
3039	cmd->source = cpu_to_le32(source);
3040
3041	ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
3042				       NO_SYNC_WMIFLAG);
3043	return ret;
3044}
3045
3046int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
3047{
3048	struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
3049	struct sk_buff *skb;
3050	int ret;
3051
3052	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3053	if (!skb)
3054		return -ENOMEM;
3055
3056	cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
3057	cmd->valid = cpu_to_le32(valid);
3058	cmd->config = cpu_to_le32(config);
3059
3060	ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
3061				       NO_SYNC_WMIFLAG);
3062	return ret;
3063}
3064
3065int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
3066{
3067	return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
3068}
3069
3070int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
3071{
3072	struct sk_buff *skb;
3073	struct wmi_set_tx_pwr_cmd *cmd;
3074	int ret;
3075
3076	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
3077	if (!skb)
3078		return -ENOMEM;
3079
3080	cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
3081	cmd->dbM = dbM;
3082
3083	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
3084				  NO_SYNC_WMIFLAG);
3085
3086	return ret;
3087}
3088
3089int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
3090{
3091	return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
3092}
3093
3094int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
3095{
3096	return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
3097}
3098
3099int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
3100				 u8 preamble_policy)
3101{
3102	struct sk_buff *skb;
3103	struct wmi_set_lpreamble_cmd *cmd;
3104	int ret;
3105
3106	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
3107	if (!skb)
3108		return -ENOMEM;
3109
3110	cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
3111	cmd->status = status;
3112	cmd->preamble_policy = preamble_policy;
3113
3114	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
3115				  NO_SYNC_WMIFLAG);
3116	return ret;
3117}
3118
3119int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
3120{
3121	struct sk_buff *skb;
3122	struct wmi_set_rts_cmd *cmd;
3123	int ret;
3124
3125	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
3126	if (!skb)
3127		return -ENOMEM;
3128
3129	cmd = (struct wmi_set_rts_cmd *) skb->data;
3130	cmd->threshold = cpu_to_le16(threshold);
3131
3132	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
3133				  NO_SYNC_WMIFLAG);
3134	return ret;
3135}
3136
3137int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
3138{
3139	struct sk_buff *skb;
3140	struct wmi_set_wmm_txop_cmd *cmd;
3141	int ret;
3142
3143	if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
3144		return -EINVAL;
3145
3146	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
3147	if (!skb)
3148		return -ENOMEM;
3149
3150	cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
3151	cmd->txop_enable = cfg;
3152
3153	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
3154				  NO_SYNC_WMIFLAG);
3155	return ret;
3156}
3157
3158int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3159				 u8 keep_alive_intvl)
3160{
3161	struct sk_buff *skb;
3162	struct wmi_set_keepalive_cmd *cmd;
3163	int ret;
3164
3165	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3166	if (!skb)
3167		return -ENOMEM;
3168
3169	cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3170	cmd->keep_alive_intvl = keep_alive_intvl;
3171
3172	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
3173				  NO_SYNC_WMIFLAG);
3174
3175	if (ret == 0)
3176		ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
3177
3178	return ret;
3179}
3180
3181int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3182			     enum nl80211_band band,
3183			     struct ath6kl_htcap *htcap)
3184{
3185	struct sk_buff *skb;
3186	struct wmi_set_htcap_cmd *cmd;
3187
3188	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3189	if (!skb)
3190		return -ENOMEM;
3191
3192	cmd = (struct wmi_set_htcap_cmd *) skb->data;
3193
3194	/*
3195	 * NOTE: Band in firmware matches enum nl80211_band, it is unlikely
3196	 * this will be changed in firmware. If at all there is any change in
3197	 * band value, the host needs to be fixed.
3198	 */
3199	cmd->band = band;
3200	cmd->ht_enable = !!htcap->ht_enable;
3201	cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3202	cmd->ht40_supported =
3203		!!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3204	cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3205	cmd->intolerant_40mhz =
3206		!!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3207	cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3208
3209	ath6kl_dbg(ATH6KL_DBG_WMI,
3210		   "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3211		   cmd->band, cmd->ht_enable, cmd->ht40_supported,
3212		   cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3213		   cmd->max_ampdu_len_exp);
3214	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
3215				   NO_SYNC_WMIFLAG);
3216}
3217
3218int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3219{
3220	struct sk_buff *skb;
3221	int ret;
3222
3223	skb = ath6kl_wmi_get_new_buf(len);
3224	if (!skb)
3225		return -ENOMEM;
3226
3227	memcpy(skb->data, buf, len);
3228
3229	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
3230
3231	return ret;
3232}
3233
3234int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3235{
3236	struct sk_buff *skb;
3237	struct wmi_mcast_filter_cmd *cmd;
3238	int ret;
3239
3240	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3241	if (!skb)
3242		return -ENOMEM;
3243
3244	cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3245	cmd->mcast_all_enable = mc_all_on;
3246
3247	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
3248				  NO_SYNC_WMIFLAG);
3249	return ret;
3250}
3251
3252int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3253					u8 *filter, bool add_filter)
3254{
3255	struct sk_buff *skb;
3256	struct wmi_mcast_filter_add_del_cmd *cmd;
3257	int ret;
3258
3259	if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3260	    (filter[0] != 0x01 || filter[1] != 0x00 ||
3261	    filter[2] != 0x5e || filter[3] > 0x7f)) {
3262		ath6kl_warn("invalid multicast filter address\n");
3263		return -EINVAL;
3264	}
3265
3266	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3267	if (!skb)
3268		return -ENOMEM;
3269
3270	cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3271	memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3272	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3273				  add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3274				  WMI_DEL_MCAST_FILTER_CMDID,
3275				  NO_SYNC_WMIFLAG);
3276
3277	return ret;
3278}
3279
3280int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3281{
3282	struct sk_buff *skb;
3283	struct wmi_sta_bmiss_enhance_cmd *cmd;
3284	int ret;
3285
3286	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3287	if (!skb)
3288		return -ENOMEM;
3289
3290	cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data;
3291	cmd->enable = enhance ? 1 : 0;
3292
3293	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3294				  WMI_STA_BMISS_ENHANCE_CMDID,
3295				  NO_SYNC_WMIFLAG);
3296	return ret;
3297}
3298
3299int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
3300{
3301	struct sk_buff *skb;
3302	struct wmi_set_regdomain_cmd *cmd;
3303
3304	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3305	if (!skb)
3306		return -ENOMEM;
3307
3308	cmd = (struct wmi_set_regdomain_cmd *) skb->data;
3309	memcpy(cmd->iso_name, alpha2, 2);
3310
3311	return ath6kl_wmi_cmd_send(wmi, 0, skb,
3312				   WMI_SET_REGDOMAIN_CMDID,
3313				   NO_SYNC_WMIFLAG);
3314}
3315
3316s32 ath6kl_wmi_get_rate(struct wmi *wmi, s8 rate_index)
3317{
3318	struct ath6kl *ar = wmi->parent_dev;
3319	u8 sgi = 0;
3320	s32 ret;
3321
3322	if (rate_index == RATE_AUTO)
3323		return 0;
3324
3325	/* SGI is stored as the MSB of the rate_index */
3326	if (rate_index & RATE_INDEX_MSB) {
3327		rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;
3328		sgi = 1;
3329	}
3330
3331	if (test_bit(ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,
3332		     ar->fw_capabilities)) {
3333		if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl_mcs15)))
3334			return 0;
3335
3336		ret = wmi_rate_tbl_mcs15[(u32) rate_index][sgi];
3337	} else {
3338		if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl)))
3339			return 0;
3340
3341		ret = wmi_rate_tbl[(u32) rate_index][sgi];
3342	}
3343
3344	return ret;
3345}
3346
3347static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3348					      u32 len)
3349{
3350	struct wmi_pmkid_list_reply *reply;
3351	u32 expected_len;
3352
3353	if (len < sizeof(struct wmi_pmkid_list_reply))
3354		return -EINVAL;
3355
3356	reply = (struct wmi_pmkid_list_reply *)datap;
3357	expected_len = sizeof(reply->num_pmkid) +
3358		le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3359
3360	if (len < expected_len)
3361		return -EINVAL;
3362
3363	return 0;
3364}
3365
3366static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3367					 struct ath6kl_vif *vif)
3368{
3369	struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3370
3371	aggr_recv_addba_req_evt(vif, cmd->tid,
3372				le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
3373
3374	return 0;
3375}
3376
3377static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3378					 struct ath6kl_vif *vif)
3379{
3380	struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3381
3382	aggr_recv_delba_req_evt(vif, cmd->tid);
3383
3384	return 0;
3385}
3386
3387/*  AP mode functions */
3388
3389int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3390				 struct wmi_connect_cmd *p)
3391{
3392	struct sk_buff *skb;
3393	struct wmi_connect_cmd *cm;
3394	int res;
3395
3396	skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3397	if (!skb)
3398		return -ENOMEM;
3399
3400	cm = (struct wmi_connect_cmd *) skb->data;
3401	memcpy(cm, p, sizeof(*cm));
3402
3403	res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3404				  NO_SYNC_WMIFLAG);
3405	ath6kl_dbg(ATH6KL_DBG_WMI,
3406		   "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3407		   __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3408		   le32_to_cpu(p->ctrl_flags), res);
3409	return res;
3410}
3411
3412int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3413			   u16 reason)
3414{
3415	struct sk_buff *skb;
3416	struct wmi_ap_set_mlme_cmd *cm;
3417
3418	skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3419	if (!skb)
3420		return -ENOMEM;
3421
3422	cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3423	memcpy(cm->mac, mac, ETH_ALEN);
3424	cm->reason = cpu_to_le16(reason);
3425	cm->cmd = cmd;
3426
3427	ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3428		   cm->reason);
3429
3430	return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3431				   NO_SYNC_WMIFLAG);
3432}
3433
3434int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3435{
3436	struct sk_buff *skb;
3437	struct wmi_ap_hidden_ssid_cmd *cmd;
3438
3439	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3440	if (!skb)
3441		return -ENOMEM;
3442
3443	cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3444	cmd->hidden_ssid = enable ? 1 : 0;
3445
3446	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3447				   NO_SYNC_WMIFLAG);
3448}
3449
3450/* This command will be used to enable/disable AP uAPSD feature */
3451int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3452{
3453	struct wmi_ap_set_apsd_cmd *cmd;
3454	struct sk_buff *skb;
3455
3456	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3457	if (!skb)
3458		return -ENOMEM;
3459
3460	cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3461	cmd->enable = enable;
3462
3463	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3464				   NO_SYNC_WMIFLAG);
3465}
3466
3467int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3468					     u16 aid, u16 bitmap, u32 flags)
3469{
3470	struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3471	struct sk_buff *skb;
3472
3473	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3474	if (!skb)
3475		return -ENOMEM;
3476
3477	cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3478	cmd->aid = cpu_to_le16(aid);
3479	cmd->bitmap = cpu_to_le16(bitmap);
3480	cmd->flags = cpu_to_le32(flags);
3481
3482	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3483				   WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3484				   NO_SYNC_WMIFLAG);
3485}
3486
3487static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3488				      struct ath6kl_vif *vif)
3489{
3490	struct wmi_pspoll_event *ev;
3491
3492	if (len < sizeof(struct wmi_pspoll_event))
3493		return -EINVAL;
3494
3495	ev = (struct wmi_pspoll_event *) datap;
3496
3497	ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3498
3499	return 0;
3500}
3501
3502static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3503					  struct ath6kl_vif *vif)
3504{
3505	ath6kl_dtimexpiry_event(vif);
3506
3507	return 0;
3508}
3509
3510int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3511			   bool flag)
3512{
3513	struct sk_buff *skb;
3514	struct wmi_ap_set_pvb_cmd *cmd;
3515	int ret;
3516
3517	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3518	if (!skb)
3519		return -ENOMEM;
3520
3521	cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3522	cmd->aid = cpu_to_le16(aid);
3523	cmd->rsvd = cpu_to_le16(0);
3524	cmd->flag = cpu_to_le32(flag);
3525
3526	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3527				  NO_SYNC_WMIFLAG);
3528
3529	return ret;
3530}
3531
3532int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3533				       u8 rx_meta_ver,
3534				       bool rx_dot11_hdr, bool defrag_on_host)
3535{
3536	struct sk_buff *skb;
3537	struct wmi_rx_frame_format_cmd *cmd;
3538	int ret;
3539
3540	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3541	if (!skb)
3542		return -ENOMEM;
3543
3544	cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3545	cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3546	cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3547	cmd->meta_ver = rx_meta_ver;
3548
3549	/* Delete the local aggr state, on host */
3550	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3551				  NO_SYNC_WMIFLAG);
3552
3553	return ret;
3554}
3555
3556int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3557			     const u8 *ie, u8 ie_len)
3558{
3559	struct sk_buff *skb;
3560	struct wmi_set_appie_cmd *p;
3561
3562	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3563	if (!skb)
3564		return -ENOMEM;
3565
3566	ath6kl_dbg(ATH6KL_DBG_WMI,
3567		   "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3568		   mgmt_frm_type, ie_len);
3569	p = (struct wmi_set_appie_cmd *) skb->data;
3570	p->mgmt_frm_type = mgmt_frm_type;
3571	p->ie_len = ie_len;
3572
3573	if (ie != NULL && ie_len > 0)
3574		memcpy(p->ie_info, ie, ie_len);
3575
3576	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3577				   NO_SYNC_WMIFLAG);
3578}
3579
3580int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3581			  const u8 *ie_info, u8 ie_len)
3582{
3583	struct sk_buff *skb;
3584	struct wmi_set_ie_cmd *p;
3585
3586	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3587	if (!skb)
3588		return -ENOMEM;
3589
3590	ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3591		   ie_id, ie_field, ie_len);
3592	p = (struct wmi_set_ie_cmd *) skb->data;
3593	p->ie_id = ie_id;
3594	p->ie_field = ie_field;
3595	p->ie_len = ie_len;
3596	if (ie_info && ie_len > 0)
3597		memcpy(p->ie_info, ie_info, ie_len);
3598
3599	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,
3600				   NO_SYNC_WMIFLAG);
3601}
3602
3603int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3604{
3605	struct sk_buff *skb;
3606	struct wmi_disable_11b_rates_cmd *cmd;
3607
3608	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3609	if (!skb)
3610		return -ENOMEM;
3611
3612	ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3613		   disable);
3614	cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3615	cmd->disable = disable ? 1 : 0;
3616
3617	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3618				   NO_SYNC_WMIFLAG);
3619}
3620
3621int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3622{
3623	struct sk_buff *skb;
3624	struct wmi_remain_on_chnl_cmd *p;
3625
3626	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3627	if (!skb)
3628		return -ENOMEM;
3629
3630	ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3631		   freq, dur);
3632	p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3633	p->freq = cpu_to_le32(freq);
3634	p->duration = cpu_to_le32(dur);
3635	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3636				   NO_SYNC_WMIFLAG);
3637}
3638
3639/* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3640 * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3641 * mgmt operations using station interface.
3642 */
3643static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3644				      u32 freq, u32 wait, const u8 *data,
3645				      u16 data_len)
3646{
3647	struct sk_buff *skb;
3648	struct wmi_send_action_cmd *p;
3649	u8 *buf;
3650
3651	if (wait)
3652		return -EINVAL; /* Offload for wait not supported */
3653
3654	buf = kmemdup(data, data_len, GFP_KERNEL);
3655	if (!buf)
3656		return -ENOMEM;
3657
3658	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3659	if (!skb) {
3660		kfree(buf);
3661		return -ENOMEM;
3662	}
3663
3664	kfree(wmi->last_mgmt_tx_frame);
3665	wmi->last_mgmt_tx_frame = buf;
3666	wmi->last_mgmt_tx_frame_len = data_len;
3667
3668	ath6kl_dbg(ATH6KL_DBG_WMI,
3669		   "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3670		   id, freq, wait, data_len);
3671	p = (struct wmi_send_action_cmd *) skb->data;
3672	p->id = cpu_to_le32(id);
3673	p->freq = cpu_to_le32(freq);
3674	p->wait = cpu_to_le32(wait);
3675	p->len = cpu_to_le16(data_len);
3676	memcpy(p->data, data, data_len);
3677	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3678				   NO_SYNC_WMIFLAG);
3679}
3680
3681static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3682				      u32 freq, u32 wait, const u8 *data,
3683				      u16 data_len, u32 no_cck)
3684{
3685	struct sk_buff *skb;
3686	struct wmi_send_mgmt_cmd *p;
3687	u8 *buf;
3688
3689	if (wait)
3690		return -EINVAL; /* Offload for wait not supported */
3691
3692	buf = kmemdup(data, data_len, GFP_KERNEL);
3693	if (!buf)
3694		return -ENOMEM;
3695
3696	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3697	if (!skb) {
3698		kfree(buf);
3699		return -ENOMEM;
3700	}
3701
3702	kfree(wmi->last_mgmt_tx_frame);
3703	wmi->last_mgmt_tx_frame = buf;
3704	wmi->last_mgmt_tx_frame_len = data_len;
3705
3706	ath6kl_dbg(ATH6KL_DBG_WMI,
3707		   "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3708		   id, freq, wait, data_len);
3709	p = (struct wmi_send_mgmt_cmd *) skb->data;
3710	p->id = cpu_to_le32(id);
3711	p->freq = cpu_to_le32(freq);
3712	p->wait = cpu_to_le32(wait);
3713	p->no_cck = cpu_to_le32(no_cck);
3714	p->len = cpu_to_le16(data_len);
3715	memcpy(p->data, data, data_len);
3716	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3717				   NO_SYNC_WMIFLAG);
3718}
3719
3720int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3721				u32 wait, const u8 *data, u16 data_len,
3722				u32 no_cck)
3723{
3724	int status;
3725	struct ath6kl *ar = wmi->parent_dev;
3726
3727	if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3728		     ar->fw_capabilities)) {
3729		/*
3730		 * If capable of doing P2P mgmt operations using
3731		 * station interface, send additional information like
3732		 * supported rates to advertise and xmit rates for
3733		 * probe requests
3734		 */
3735		status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3736						    wait, data, data_len,
3737						    no_cck);
3738	} else {
3739		status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3740						    wait, data, data_len);
3741	}
3742
3743	return status;
3744}
3745
3746int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3747				       const u8 *dst, const u8 *data,
3748				       u16 data_len)
3749{
3750	struct sk_buff *skb;
3751	struct wmi_p2p_probe_response_cmd *p;
3752	size_t cmd_len = sizeof(*p) + data_len;
3753
3754	if (data_len == 0)
3755		cmd_len++; /* work around target minimum length requirement */
3756
3757	skb = ath6kl_wmi_get_new_buf(cmd_len);
3758	if (!skb)
3759		return -ENOMEM;
3760
3761	ath6kl_dbg(ATH6KL_DBG_WMI,
3762		   "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3763		   freq, dst, data_len);
3764	p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3765	p->freq = cpu_to_le32(freq);
3766	memcpy(p->destination_addr, dst, ETH_ALEN);
3767	p->len = cpu_to_le16(data_len);
3768	memcpy(p->data, data, data_len);
3769	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3770				   WMI_SEND_PROBE_RESPONSE_CMDID,
3771				   NO_SYNC_WMIFLAG);
3772}
3773
3774int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3775{
3776	struct sk_buff *skb;
3777	struct wmi_probe_req_report_cmd *p;
3778
3779	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3780	if (!skb)
3781		return -ENOMEM;
3782
3783	ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3784		   enable);
3785	p = (struct wmi_probe_req_report_cmd *) skb->data;
3786	p->enable = enable ? 1 : 0;
3787	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3788				   NO_SYNC_WMIFLAG);
3789}
3790
3791int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3792{
3793	struct sk_buff *skb;
3794	struct wmi_get_p2p_info *p;
3795
3796	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3797	if (!skb)
3798		return -ENOMEM;
3799
3800	ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3801		   info_req_flags);
3802	p = (struct wmi_get_p2p_info *) skb->data;
3803	p->info_req_flags = cpu_to_le32(info_req_flags);
3804	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3805				   NO_SYNC_WMIFLAG);
3806}
3807
3808int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3809{
3810	ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3811	return ath6kl_wmi_simple_cmd(wmi, if_idx,
3812				     WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3813}
3814
3815int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3816{
3817	struct sk_buff *skb;
3818	struct wmi_set_inact_period_cmd *cmd;
3819
3820	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3821	if (!skb)
3822		return -ENOMEM;
3823
3824	cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3825	cmd->inact_period = cpu_to_le32(inact_timeout);
3826	cmd->num_null_func = 0;
3827
3828	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,
3829				   NO_SYNC_WMIFLAG);
3830}
3831
3832static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,
3833					       int len)
3834{
3835	struct wmix_hb_challenge_resp_cmd *cmd;
3836
3837	if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
3838		return;
3839
3840	cmd = (struct wmix_hb_challenge_resp_cmd *) datap;
3841	ath6kl_recovery_hb_event(wmi->parent_dev,
3842				 le32_to_cpu(cmd->cookie));
3843}
3844
3845static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3846{
3847	struct wmix_cmd_hdr *cmd;
3848	u32 len;
3849	u16 id;
3850	u8 *datap;
3851	int ret = 0;
3852
3853	if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3854		ath6kl_err("bad packet 1\n");
3855		return -EINVAL;
3856	}
3857
3858	cmd = (struct wmix_cmd_hdr *) skb->data;
3859	id = le32_to_cpu(cmd->cmd_id);
3860
3861	skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3862
3863	datap = skb->data;
3864	len = skb->len;
3865
3866	switch (id) {
3867	case WMIX_HB_CHALLENGE_RESP_EVENTID:
3868		ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3869		ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);
3870		break;
3871	case WMIX_DBGLOG_EVENTID:
3872		ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3873		ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3874		break;
3875	default:
3876		ath6kl_warn("unknown cmd id 0x%x\n", id);
3877		ret = -EINVAL;
3878		break;
3879	}
3880
3881	return ret;
3882}
3883
3884static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3885{
3886	return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3887}
3888
3889/* Process interface specific wmi events, caller would free the datap */
3890static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3891					u8 *datap, u32 len)
3892{
3893	struct ath6kl_vif *vif;
3894
3895	vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3896	if (!vif) {
3897		ath6kl_dbg(ATH6KL_DBG_WMI,
3898			   "Wmi event for unavailable vif, vif_index:%d\n",
3899			    if_idx);
3900		return -EINVAL;
3901	}
3902
3903	switch (cmd_id) {
3904	case WMI_CONNECT_EVENTID:
3905		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3906		return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3907	case WMI_DISCONNECT_EVENTID:
3908		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3909		return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3910	case WMI_TKIP_MICERR_EVENTID:
3911		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3912		return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3913	case WMI_BSSINFO_EVENTID:
3914		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3915		return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3916	case WMI_NEIGHBOR_REPORT_EVENTID:
3917		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3918		return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3919							   vif);
3920	case WMI_SCAN_COMPLETE_EVENTID:
3921		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3922		return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3923	case WMI_REPORT_STATISTICS_EVENTID:
3924		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3925		return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3926	case WMI_CAC_EVENTID:
3927		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3928		return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3929	case WMI_PSPOLL_EVENTID:
3930		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3931		return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3932	case WMI_DTIMEXPIRY_EVENTID:
3933		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3934		return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3935	case WMI_ADDBA_REQ_EVENTID:
3936		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3937		return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3938	case WMI_DELBA_REQ_EVENTID:
3939		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3940		return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3941	case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3942		ath6kl_dbg(ATH6KL_DBG_WMI,
3943			   "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3944		return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3945	case WMI_REMAIN_ON_CHNL_EVENTID:
3946		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3947		return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3948	case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3949		ath6kl_dbg(ATH6KL_DBG_WMI,
3950			   "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3951		return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3952								 len, vif);
3953	case WMI_TX_STATUS_EVENTID:
3954		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3955		return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3956	case WMI_RX_PROBE_REQ_EVENTID:
3957		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3958		return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3959	case WMI_RX_ACTION_EVENTID:
3960		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3961		return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3962	case WMI_TXE_NOTIFY_EVENTID:
3963		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");
3964		return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
3965	default:
3966		ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3967		return -EINVAL;
3968	}
3969
3970	return 0;
3971}
3972
3973static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3974{
3975	struct wmi_cmd_hdr *cmd;
3976	int ret = 0;
3977	u32 len;
3978	u16 id;
3979	u8 if_idx;
3980	u8 *datap;
3981
3982	cmd = (struct wmi_cmd_hdr *) skb->data;
3983	id = le16_to_cpu(cmd->cmd_id);
3984	if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3985
3986	skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3987	datap = skb->data;
3988	len = skb->len;
3989
3990	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3991	ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3992			datap, len);
3993
3994	switch (id) {
3995	case WMI_GET_BITRATE_CMDID:
3996		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3997		ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3998		break;
3999	case WMI_GET_CHANNEL_LIST_CMDID:
4000		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
4001		ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
4002		break;
4003	case WMI_GET_TX_PWR_CMDID:
4004		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
4005		ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
4006		break;
4007	case WMI_READY_EVENTID:
4008		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
4009		ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
4010		break;
4011	case WMI_PEER_NODE_EVENTID:
4012		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
4013		ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
4014		break;
4015	case WMI_REGDOMAIN_EVENTID:
4016		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
4017		ath6kl_wmi_regdomain_event(wmi, datap, len);
4018		break;
4019	case WMI_PSTREAM_TIMEOUT_EVENTID:
4020		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
4021		ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
4022		break;
4023	case WMI_CMDERROR_EVENTID:
4024		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
4025		ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
4026		break;
4027	case WMI_RSSI_THRESHOLD_EVENTID:
4028		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
4029		ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
4030		break;
4031	case WMI_ERROR_REPORT_EVENTID:
4032		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
4033		break;
4034	case WMI_OPT_RX_FRAME_EVENTID:
4035		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
4036		/* this event has been deprecated */
4037		break;
4038	case WMI_REPORT_ROAM_TBL_EVENTID:
4039		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
4040		ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
4041		break;
4042	case WMI_EXTENSION_EVENTID:
4043		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
4044		ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
4045		break;
4046	case WMI_CHANNEL_CHANGE_EVENTID:
4047		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
4048		break;
4049	case WMI_REPORT_ROAM_DATA_EVENTID:
4050		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
4051		break;
4052	case WMI_TEST_EVENTID:
4053		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
4054		ret = ath6kl_wmi_test_rx(wmi, datap, len);
4055		break;
4056	case WMI_GET_FIXRATES_CMDID:
4057		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
4058		ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
4059		break;
4060	case WMI_TX_RETRY_ERR_EVENTID:
4061		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
4062		break;
4063	case WMI_SNR_THRESHOLD_EVENTID:
4064		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
4065		ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
4066		break;
4067	case WMI_LQ_THRESHOLD_EVENTID:
4068		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
4069		break;
4070	case WMI_APLIST_EVENTID:
4071		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
4072		ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
4073		break;
4074	case WMI_GET_KEEPALIVE_CMDID:
4075		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
4076		ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
4077		break;
4078	case WMI_GET_WOW_LIST_EVENTID:
4079		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
4080		break;
4081	case WMI_GET_PMKID_LIST_EVENTID:
4082		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
4083		ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
4084		break;
4085	case WMI_SET_PARAMS_REPLY_EVENTID:
4086		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
4087		break;
4088	case WMI_ADDBA_RESP_EVENTID:
4089		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
4090		break;
4091	case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
4092		ath6kl_dbg(ATH6KL_DBG_WMI,
4093			   "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
4094		break;
4095	case WMI_REPORT_BTCOEX_STATS_EVENTID:
4096		ath6kl_dbg(ATH6KL_DBG_WMI,
4097			   "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
4098		break;
4099	case WMI_TX_COMPLETE_EVENTID:
4100		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
4101		ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
4102		break;
4103	case WMI_P2P_CAPABILITIES_EVENTID:
4104		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
4105		ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
4106		break;
4107	case WMI_P2P_INFO_EVENTID:
4108		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
4109		ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
4110		break;
4111	default:
4112		/* may be the event is interface specific */
4113		ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
4114		break;
4115	}
4116
4117	dev_kfree_skb(skb);
4118	return ret;
4119}
4120
4121/* Control Path */
4122int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
4123{
4124	if (WARN_ON(skb == NULL))
4125		return -EINVAL;
4126
4127	if (skb->len < sizeof(struct wmi_cmd_hdr)) {
4128		ath6kl_err("bad packet 1\n");
4129		dev_kfree_skb(skb);
4130		return -EINVAL;
4131	}
4132
4133	trace_ath6kl_wmi_event(skb->data, skb->len);
4134
4135	return ath6kl_wmi_proc_events(wmi, skb);
4136}
4137
4138void ath6kl_wmi_reset(struct wmi *wmi)
4139{
4140	spin_lock_bh(&wmi->lock);
4141
4142	wmi->fat_pipe_exist = 0;
4143	memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
4144
4145	spin_unlock_bh(&wmi->lock);
4146}
4147
4148void *ath6kl_wmi_init(struct ath6kl *dev)
4149{
4150	struct wmi *wmi;
4151
4152	wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
4153	if (!wmi)
4154		return NULL;
4155
4156	spin_lock_init(&wmi->lock);
4157
4158	wmi->parent_dev = dev;
4159
4160	wmi->pwr_mode = REC_POWER;
4161
4162	ath6kl_wmi_reset(wmi);
4163
4164	return wmi;
4165}
4166
4167void ath6kl_wmi_shutdown(struct wmi *wmi)
4168{
4169	if (!wmi)
4170		return;
4171
4172	kfree(wmi->last_mgmt_tx_frame);
4173	kfree(wmi);
4174}