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  
27  static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
28  
29  static const s32 wmi_rate_tbl[][2] = {
30  	/* {W/O SGI, with SGI} */
31  	{1000, 1000},
32  	{2000, 2000},
33  	{5500, 5500},
34  	{11000, 11000},
35  	{6000, 6000},
36  	{9000, 9000},
37  	{12000, 12000},
38  	{18000, 18000},
39  	{24000, 24000},
40  	{36000, 36000},
41  	{48000, 48000},
42  	{54000, 54000},
43  	{6500, 7200},
44  	{13000, 14400},
45  	{19500, 21700},
46  	{26000, 28900},
47  	{39000, 43300},
48  	{52000, 57800},
49  	{58500, 65000},
50  	{65000, 72200},
51  	{13500, 15000},
52  	{27000, 30000},
53  	{40500, 45000},
54  	{54000, 60000},
55  	{81000, 90000},
56  	{108000, 120000},
57  	{121500, 135000},
58  	{135000, 150000},
59  	{0, 0}
60  };
61  
62  static 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 */
112  static 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  
ath6kl_wmi_set_control_ep(struct wmi * wmi,enum htc_endpoint_id ep_id)123  void 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  
ath6kl_wmi_get_control_ep(struct wmi * wmi)131  enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
132  {
133  	return wmi->ep_id;
134  }
135  
ath6kl_get_vif_by_index(struct ath6kl * ar,u8 if_idx)136  struct 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   */
ath6kl_wmi_dix_2_dot3(struct wmi * wmi,struct sk_buff * skb)160  int 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  
ath6kl_wmi_meta_add(struct wmi * wmi,struct sk_buff * skb,u8 * version,void * tx_meta_info)206  static 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  
ath6kl_wmi_data_hdr_add(struct wmi * wmi,struct sk_buff * skb,u8 msg_type,u32 flags,enum wmi_data_hdr_data_type data_type,u8 meta_ver,void * tx_meta_info,u8 if_idx)234  int 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  
ath6kl_wmi_determine_user_priority(u8 * pkt,u32 layer2_pri)271  u8 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  
ath6kl_wmi_get_traffic_class(u8 user_priority)293  u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
294  {
295  	return  up_to_ac[user_priority & 0x7];
296  }
297  
ath6kl_wmi_implicit_create_pstream(struct wmi * wmi,u8 if_idx,struct sk_buff * skb,u32 layer2_priority,bool wmm_enabled,u8 * ac)298  int 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  
ath6kl_wmi_dot11_hdr_remove(struct wmi * wmi,struct sk_buff * skb)388  int 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   */
ath6kl_wmi_dot3_2_dix(struct sk_buff * skb)454  int 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  
ath6kl_wmi_tx_complete_event_rx(u8 * datap,int len)478  static 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  
ath6kl_wmi_remain_on_chnl_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)503  static 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  
ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)535  static 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  
ath6kl_wmi_tx_status_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)573  static 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  
ath6kl_wmi_rx_probe_req_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)599  static 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  
ath6kl_wmi_p2p_capabilities_event_rx(u8 * datap,int len)627  static 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  
ath6kl_wmi_rx_action_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)642  static 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  
ath6kl_wmi_p2p_info_event_rx(u8 * datap,int len)666  static 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  
ath6kl_wmi_get_new_buf(u32 size)710  static 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 */
ath6kl_wmi_simple_cmd(struct wmi * wmi,u8 if_idx,enum wmi_cmd_id cmd_id)726  static 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  
ath6kl_wmi_ready_event_rx(struct wmi * wmi,u8 * datap,int len)741  static 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   */
ath6kl_wmi_set_roam_lrssi_cmd(struct wmi * wmi,u8 lrssi)761  int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
762  {
763  	struct sk_buff *skb;
764  	struct roam_ctrl_cmd *cmd;
765  
766  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
767  	if (!skb)
768  		return -ENOMEM;
769  
770  	cmd = (struct roam_ctrl_cmd *) skb->data;
771  
772  	cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
773  	cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
774  						       DEF_SCAN_FOR_ROAM_INTVL);
775  	cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
776  	cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
777  	cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
778  
779  	ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
780  			    NO_SYNC_WMIFLAG);
781  
782  	return 0;
783  }
784  
ath6kl_wmi_force_roam_cmd(struct wmi * wmi,const u8 * bssid)785  int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
786  {
787  	struct sk_buff *skb;
788  	struct roam_ctrl_cmd *cmd;
789  
790  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
791  	if (!skb)
792  		return -ENOMEM;
793  
794  	cmd = (struct roam_ctrl_cmd *) skb->data;
795  
796  	memcpy(cmd->info.bssid, bssid, ETH_ALEN);
797  	cmd->roam_ctrl = WMI_FORCE_ROAM;
798  
799  	ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
800  	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
801  				   NO_SYNC_WMIFLAG);
802  }
803  
ath6kl_wmi_ap_set_beacon_intvl_cmd(struct wmi * wmi,u8 if_idx,u32 beacon_intvl)804  int ath6kl_wmi_ap_set_beacon_intvl_cmd(struct wmi *wmi, u8 if_idx,
805  				       u32 beacon_intvl)
806  {
807  	struct sk_buff *skb;
808  	struct set_beacon_int_cmd *cmd;
809  
810  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
811  	if (!skb)
812  		return -ENOMEM;
813  
814  	cmd = (struct set_beacon_int_cmd *) skb->data;
815  
816  	cmd->beacon_intvl = cpu_to_le32(beacon_intvl);
817  	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
818  				   WMI_SET_BEACON_INT_CMDID, NO_SYNC_WMIFLAG);
819  }
820  
ath6kl_wmi_ap_set_dtim_cmd(struct wmi * wmi,u8 if_idx,u32 dtim_period)821  int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period)
822  {
823  	struct sk_buff *skb;
824  	struct set_dtim_cmd *cmd;
825  
826  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
827  	if (!skb)
828  		return -ENOMEM;
829  
830  	cmd = (struct set_dtim_cmd *) skb->data;
831  
832  	cmd->dtim_period = cpu_to_le32(dtim_period);
833  	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
834  				   WMI_AP_SET_DTIM_CMDID, NO_SYNC_WMIFLAG);
835  }
836  
ath6kl_wmi_set_roam_mode_cmd(struct wmi * wmi,enum wmi_roam_mode mode)837  int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
838  {
839  	struct sk_buff *skb;
840  	struct roam_ctrl_cmd *cmd;
841  
842  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
843  	if (!skb)
844  		return -ENOMEM;
845  
846  	cmd = (struct roam_ctrl_cmd *) skb->data;
847  
848  	cmd->info.roam_mode = mode;
849  	cmd->roam_ctrl = WMI_SET_ROAM_MODE;
850  
851  	ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
852  	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
853  				   NO_SYNC_WMIFLAG);
854  }
855  
ath6kl_wmi_connect_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)856  static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
857  				       struct ath6kl_vif *vif)
858  {
859  	struct wmi_connect_event *ev;
860  	u8 *pie, *peie;
861  
862  	if (len < sizeof(struct wmi_connect_event))
863  		return -EINVAL;
864  
865  	ev = (struct wmi_connect_event *) datap;
866  
867  	if (vif->nw_type == AP_NETWORK) {
868  		/* AP mode start/STA connected event */
869  		struct net_device *dev = vif->ndev;
870  		if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
871  			ath6kl_dbg(ATH6KL_DBG_WMI,
872  				   "%s: freq %d bssid %pM (AP started)\n",
873  				   __func__, le16_to_cpu(ev->u.ap_bss.ch),
874  				   ev->u.ap_bss.bssid);
875  			ath6kl_connect_ap_mode_bss(
876  				vif, le16_to_cpu(ev->u.ap_bss.ch));
877  		} else {
878  			ath6kl_dbg(ATH6KL_DBG_WMI,
879  				   "%s: aid %u mac_addr %pM auth=%u keymgmt=%u cipher=%u apsd_info=%u (STA connected)\n",
880  				   __func__, ev->u.ap_sta.aid,
881  				   ev->u.ap_sta.mac_addr,
882  				   ev->u.ap_sta.auth,
883  				   ev->u.ap_sta.keymgmt,
884  				   le16_to_cpu(ev->u.ap_sta.cipher),
885  				   ev->u.ap_sta.apsd_info);
886  
887  			ath6kl_connect_ap_mode_sta(
888  				vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
889  				ev->u.ap_sta.keymgmt,
890  				le16_to_cpu(ev->u.ap_sta.cipher),
891  				ev->u.ap_sta.auth, ev->assoc_req_len,
892  				ev->assoc_info + ev->beacon_ie_len,
893  				ev->u.ap_sta.apsd_info);
894  		}
895  		return 0;
896  	}
897  
898  	/* STA/IBSS mode connection event */
899  
900  	ath6kl_dbg(ATH6KL_DBG_WMI,
901  		   "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
902  		   le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
903  		   le16_to_cpu(ev->u.sta.listen_intvl),
904  		   le16_to_cpu(ev->u.sta.beacon_intvl),
905  		   le32_to_cpu(ev->u.sta.nw_type));
906  
907  	/* Start of assoc rsp IEs */
908  	pie = ev->assoc_info + ev->beacon_ie_len +
909  	      ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
910  
911  	/* End of assoc rsp IEs */
912  	peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
913  	    ev->assoc_resp_len;
914  
915  	while (pie < peie) {
916  		switch (*pie) {
917  		case WLAN_EID_VENDOR_SPECIFIC:
918  			if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
919  			    pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
920  				/* WMM OUT (00:50:F2) */
921  				if (pie[1] > 5 &&
922  				    pie[6] == WMM_PARAM_OUI_SUBTYPE)
923  					wmi->is_wmm_enabled = true;
924  			}
925  			break;
926  		}
927  
928  		if (wmi->is_wmm_enabled)
929  			break;
930  
931  		pie += pie[1] + 2;
932  	}
933  
934  	ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
935  			     ev->u.sta.bssid,
936  			     le16_to_cpu(ev->u.sta.listen_intvl),
937  			     le16_to_cpu(ev->u.sta.beacon_intvl),
938  			     le32_to_cpu(ev->u.sta.nw_type),
939  			     ev->beacon_ie_len, ev->assoc_req_len,
940  			     ev->assoc_resp_len, ev->assoc_info);
941  
942  	return 0;
943  }
944  
945  static struct country_code_to_enum_rd *
ath6kl_regd_find_country(u16 countryCode)946  ath6kl_regd_find_country(u16 countryCode)
947  {
948  	int i;
949  
950  	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
951  		if (allCountries[i].countryCode == countryCode)
952  			return &allCountries[i];
953  	}
954  
955  	return NULL;
956  }
957  
958  static struct reg_dmn_pair_mapping *
ath6kl_get_regpair(u16 regdmn)959  ath6kl_get_regpair(u16 regdmn)
960  {
961  	int i;
962  
963  	if (regdmn == NO_ENUMRD)
964  		return NULL;
965  
966  	for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
967  		if (regDomainPairs[i].reg_domain == regdmn)
968  			return &regDomainPairs[i];
969  	}
970  
971  	return NULL;
972  }
973  
974  static struct country_code_to_enum_rd *
ath6kl_regd_find_country_by_rd(u16 regdmn)975  ath6kl_regd_find_country_by_rd(u16 regdmn)
976  {
977  	int i;
978  
979  	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
980  		if (allCountries[i].regDmnEnum == regdmn)
981  			return &allCountries[i];
982  	}
983  
984  	return NULL;
985  }
986  
ath6kl_wmi_regdomain_event(struct wmi * wmi,u8 * datap,int len)987  static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
988  {
989  	struct ath6kl_wmi_regdomain *ev;
990  	struct country_code_to_enum_rd *country = NULL;
991  	struct reg_dmn_pair_mapping *regpair = NULL;
992  	char alpha2[2];
993  	u32 reg_code;
994  
995  	ev = (struct ath6kl_wmi_regdomain *) datap;
996  	reg_code = le32_to_cpu(ev->reg_code);
997  
998  	if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG) {
999  		country = ath6kl_regd_find_country((u16) reg_code);
1000  	} else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
1001  		regpair = ath6kl_get_regpair((u16) reg_code);
1002  		country = ath6kl_regd_find_country_by_rd((u16) reg_code);
1003  		if (regpair)
1004  			ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
1005  				   regpair->reg_domain);
1006  		else
1007  			ath6kl_warn("Regpair not found reg_code 0x%0x\n",
1008  				    reg_code);
1009  	}
1010  
1011  	if (country && wmi->parent_dev->wiphy_registered) {
1012  		alpha2[0] = country->isoName[0];
1013  		alpha2[1] = country->isoName[1];
1014  
1015  		regulatory_hint(wmi->parent_dev->wiphy, alpha2);
1016  
1017  		ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
1018  			   alpha2[0], alpha2[1]);
1019  	}
1020  }
1021  
ath6kl_wmi_disconnect_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)1022  static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
1023  					  struct ath6kl_vif *vif)
1024  {
1025  	struct wmi_disconnect_event *ev;
1026  	wmi->traffic_class = 100;
1027  
1028  	if (len < sizeof(struct wmi_disconnect_event))
1029  		return -EINVAL;
1030  
1031  	ev = (struct wmi_disconnect_event *) datap;
1032  
1033  	ath6kl_dbg(ATH6KL_DBG_WMI,
1034  		   "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
1035  		   le16_to_cpu(ev->proto_reason_status), ev->bssid,
1036  		   ev->disconn_reason, ev->assoc_resp_len);
1037  
1038  	wmi->is_wmm_enabled = false;
1039  
1040  	ath6kl_disconnect_event(vif, ev->disconn_reason,
1041  				ev->bssid, ev->assoc_resp_len, ev->assoc_info,
1042  				le16_to_cpu(ev->proto_reason_status));
1043  
1044  	return 0;
1045  }
1046  
ath6kl_wmi_peer_node_event_rx(struct wmi * wmi,u8 * datap,int len)1047  static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
1048  {
1049  	struct wmi_peer_node_event *ev;
1050  
1051  	if (len < sizeof(struct wmi_peer_node_event))
1052  		return -EINVAL;
1053  
1054  	ev = (struct wmi_peer_node_event *) datap;
1055  
1056  	if (ev->event_code == PEER_NODE_JOIN_EVENT)
1057  		ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
1058  			   ev->peer_mac_addr);
1059  	else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
1060  		ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
1061  			   ev->peer_mac_addr);
1062  
1063  	return 0;
1064  }
1065  
ath6kl_wmi_tkip_micerr_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)1066  static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
1067  					   struct ath6kl_vif *vif)
1068  {
1069  	struct wmi_tkip_micerr_event *ev;
1070  
1071  	if (len < sizeof(struct wmi_tkip_micerr_event))
1072  		return -EINVAL;
1073  
1074  	ev = (struct wmi_tkip_micerr_event *) datap;
1075  
1076  	ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
1077  
1078  	return 0;
1079  }
1080  
ath6kl_wmi_sscan_timer(struct timer_list * t)1081  void ath6kl_wmi_sscan_timer(struct timer_list *t)
1082  {
1083  	struct ath6kl_vif *vif = from_timer(vif, t, sched_scan_timer);
1084  
1085  	cfg80211_sched_scan_results(vif->ar->wiphy, 0);
1086  }
1087  
ath6kl_wmi_bssinfo_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)1088  static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
1089  				       struct ath6kl_vif *vif)
1090  {
1091  	struct wmi_bss_info_hdr2 *bih;
1092  	u8 *buf;
1093  	struct ieee80211_channel *channel;
1094  	struct ath6kl *ar = wmi->parent_dev;
1095  	struct cfg80211_bss *bss;
1096  
1097  	if (len <= sizeof(struct wmi_bss_info_hdr2))
1098  		return -EINVAL;
1099  
1100  	bih = (struct wmi_bss_info_hdr2 *) datap;
1101  	buf = datap + sizeof(struct wmi_bss_info_hdr2);
1102  	len -= sizeof(struct wmi_bss_info_hdr2);
1103  
1104  	ath6kl_dbg(ATH6KL_DBG_WMI,
1105  		   "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1106  		   "frame_type=%d\n",
1107  		   bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1108  		   bih->frame_type);
1109  
1110  	if (bih->frame_type != BEACON_FTYPE &&
1111  	    bih->frame_type != PROBERESP_FTYPE)
1112  		return 0; /* Only update BSS table for now */
1113  
1114  	if (bih->frame_type == BEACON_FTYPE &&
1115  	    test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1116  		clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1117  		ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1118  					 NONE_BSS_FILTER, 0);
1119  	}
1120  
1121  	channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1122  	if (channel == NULL)
1123  		return -EINVAL;
1124  
1125  	if (len < 8 + 2 + 2)
1126  		return -EINVAL;
1127  
1128  	if (bih->frame_type == BEACON_FTYPE &&
1129  	    test_bit(CONNECTED, &vif->flags) &&
1130  	    memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1131  		const u8 *tim;
1132  		tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1133  				       len - 8 - 2 - 2);
1134  		if (tim && tim[1] >= 2) {
1135  			vif->assoc_bss_dtim_period = tim[3];
1136  			set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1137  		}
1138  	}
1139  
1140  	bss = cfg80211_inform_bss(ar->wiphy, channel,
1141  				  bih->frame_type == BEACON_FTYPE ?
1142  					CFG80211_BSS_FTYPE_BEACON :
1143  					CFG80211_BSS_FTYPE_PRESP,
1144  				  bih->bssid, get_unaligned_le64((__le64 *)buf),
1145  				  get_unaligned_le16(((__le16 *)buf) + 5),
1146  				  get_unaligned_le16(((__le16 *)buf) + 4),
1147  				  buf + 8 + 2 + 2, len - 8 - 2 - 2,
1148  				  (bih->snr - 95) * 100, GFP_ATOMIC);
1149  	if (bss == NULL)
1150  		return -ENOMEM;
1151  	cfg80211_put_bss(ar->wiphy, bss);
1152  
1153  	/*
1154  	 * Firmware doesn't return any event when scheduled scan has
1155  	 * finished, so we need to use a timer to find out when there are
1156  	 * no more results.
1157  	 *
1158  	 * The timer is started from the first bss info received, otherwise
1159  	 * the timer would not ever fire if the scan interval is short
1160  	 * enough.
1161  	 */
1162  	if (test_bit(SCHED_SCANNING, &vif->flags) &&
1163  	    !timer_pending(&vif->sched_scan_timer)) {
1164  		mod_timer(&vif->sched_scan_timer, jiffies +
1165  			  msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1166  	}
1167  
1168  	return 0;
1169  }
1170  
1171  /* Inactivity timeout of a fatpipe(pstream) at the target */
ath6kl_wmi_pstream_timeout_event_rx(struct wmi * wmi,u8 * datap,int len)1172  static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1173  					       int len)
1174  {
1175  	struct wmi_pstream_timeout_event *ev;
1176  
1177  	if (len < sizeof(struct wmi_pstream_timeout_event))
1178  		return -EINVAL;
1179  
1180  	ev = (struct wmi_pstream_timeout_event *) datap;
1181  
1182  	/*
1183  	 * When the pstream (fat pipe == AC) timesout, it means there were
1184  	 * no thinStreams within this pstream & it got implicitly created
1185  	 * due to data flow on this AC. We start the inactivity timer only
1186  	 * for implicitly created pstream. Just reset the host state.
1187  	 */
1188  	spin_lock_bh(&wmi->lock);
1189  	wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1190  	wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1191  	spin_unlock_bh(&wmi->lock);
1192  
1193  	/* Indicate inactivity to driver layer for this fatpipe (pstream) */
1194  	ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1195  
1196  	return 0;
1197  }
1198  
ath6kl_wmi_bitrate_reply_rx(struct wmi * wmi,u8 * datap,int len)1199  static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1200  {
1201  	struct wmi_bit_rate_reply *reply;
1202  	s32 rate;
1203  	u32 sgi, index;
1204  
1205  	if (len < sizeof(struct wmi_bit_rate_reply))
1206  		return -EINVAL;
1207  
1208  	reply = (struct wmi_bit_rate_reply *) datap;
1209  
1210  	ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1211  
1212  	if (reply->rate_index == (s8) RATE_AUTO) {
1213  		rate = RATE_AUTO;
1214  	} else {
1215  		index = reply->rate_index & 0x7f;
1216  		if (WARN_ON_ONCE(index > (RATE_MCS_7_40 + 1)))
1217  			return -EINVAL;
1218  
1219  		sgi = (reply->rate_index & 0x80) ? 1 : 0;
1220  		rate = wmi_rate_tbl[index][sgi];
1221  	}
1222  
1223  	ath6kl_wakeup_event(wmi->parent_dev);
1224  
1225  	return 0;
1226  }
1227  
ath6kl_wmi_test_rx(struct wmi * wmi,u8 * datap,int len)1228  static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1229  {
1230  	ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1231  
1232  	return 0;
1233  }
1234  
ath6kl_wmi_ratemask_reply_rx(struct wmi * wmi,u8 * datap,int len)1235  static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1236  {
1237  	if (len < sizeof(struct wmi_fix_rates_reply))
1238  		return -EINVAL;
1239  
1240  	ath6kl_wakeup_event(wmi->parent_dev);
1241  
1242  	return 0;
1243  }
1244  
ath6kl_wmi_ch_list_reply_rx(struct wmi * wmi,u8 * datap,int len)1245  static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1246  {
1247  	if (len < sizeof(struct wmi_channel_list_reply))
1248  		return -EINVAL;
1249  
1250  	ath6kl_wakeup_event(wmi->parent_dev);
1251  
1252  	return 0;
1253  }
1254  
ath6kl_wmi_tx_pwr_reply_rx(struct wmi * wmi,u8 * datap,int len)1255  static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1256  {
1257  	struct wmi_tx_pwr_reply *reply;
1258  
1259  	if (len < sizeof(struct wmi_tx_pwr_reply))
1260  		return -EINVAL;
1261  
1262  	reply = (struct wmi_tx_pwr_reply *) datap;
1263  	ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1264  
1265  	return 0;
1266  }
1267  
ath6kl_wmi_keepalive_reply_rx(struct wmi * wmi,u8 * datap,int len)1268  static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1269  {
1270  	if (len < sizeof(struct wmi_get_keepalive_cmd))
1271  		return -EINVAL;
1272  
1273  	ath6kl_wakeup_event(wmi->parent_dev);
1274  
1275  	return 0;
1276  }
1277  
ath6kl_wmi_scan_complete_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)1278  static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1279  				       struct ath6kl_vif *vif)
1280  {
1281  	struct wmi_scan_complete_event *ev;
1282  
1283  	ev = (struct wmi_scan_complete_event *) datap;
1284  
1285  	ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1286  	wmi->is_probe_ssid = false;
1287  
1288  	return 0;
1289  }
1290  
ath6kl_wmi_neighbor_report_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)1291  static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1292  					       int len, struct ath6kl_vif *vif)
1293  {
1294  	struct wmi_neighbor_report_event *ev;
1295  	u8 i;
1296  
1297  	if (len < sizeof(*ev))
1298  		return -EINVAL;
1299  	ev = (struct wmi_neighbor_report_event *) datap;
1300  	if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1301  	    > len) {
1302  		ath6kl_dbg(ATH6KL_DBG_WMI,
1303  			   "truncated neighbor event (num=%d len=%d)\n",
1304  			   ev->num_neighbors, len);
1305  		return -EINVAL;
1306  	}
1307  	for (i = 0; i < ev->num_neighbors; i++) {
1308  		ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1309  			   i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1310  			   ev->neighbor[i].bss_flags);
1311  		cfg80211_pmksa_candidate_notify(vif->ndev, i,
1312  						ev->neighbor[i].bssid,
1313  						!!(ev->neighbor[i].bss_flags &
1314  						   WMI_PREAUTH_CAPABLE_BSS),
1315  						GFP_ATOMIC);
1316  	}
1317  
1318  	return 0;
1319  }
1320  
1321  /*
1322   * Target is reporting a programming error.  This is for
1323   * developer aid only.  Target only checks a few common violations
1324   * and it is responsibility of host to do all error checking.
1325   * Behavior of target after wmi error event is undefined.
1326   * A reset is recommended.
1327   */
ath6kl_wmi_error_event_rx(struct wmi * wmi,u8 * datap,int len)1328  static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1329  {
1330  	const char *type = "unknown error";
1331  	struct wmi_cmd_error_event *ev;
1332  	ev = (struct wmi_cmd_error_event *) datap;
1333  
1334  	switch (ev->err_code) {
1335  	case INVALID_PARAM:
1336  		type = "invalid parameter";
1337  		break;
1338  	case ILLEGAL_STATE:
1339  		type = "invalid state";
1340  		break;
1341  	case INTERNAL_ERROR:
1342  		type = "internal error";
1343  		break;
1344  	}
1345  
1346  	ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1347  		   ev->cmd_id, type);
1348  
1349  	return 0;
1350  }
1351  
ath6kl_wmi_stats_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)1352  static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1353  				     struct ath6kl_vif *vif)
1354  {
1355  	ath6kl_tgt_stats_event(vif, datap, len);
1356  
1357  	return 0;
1358  }
1359  
ath6kl_wmi_get_upper_threshold(s16 rssi,struct sq_threshold_params * sq_thresh,u32 size)1360  static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1361  					 struct sq_threshold_params *sq_thresh,
1362  					 u32 size)
1363  {
1364  	u32 index;
1365  	u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1366  
1367  	/* The list is already in sorted order. Get the next lower value */
1368  	for (index = 0; index < size; index++) {
1369  		if (rssi < sq_thresh->upper_threshold[index]) {
1370  			threshold = (u8) sq_thresh->upper_threshold[index];
1371  			break;
1372  		}
1373  	}
1374  
1375  	return threshold;
1376  }
1377  
ath6kl_wmi_get_lower_threshold(s16 rssi,struct sq_threshold_params * sq_thresh,u32 size)1378  static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1379  					 struct sq_threshold_params *sq_thresh,
1380  					 u32 size)
1381  {
1382  	u32 index;
1383  	u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1384  
1385  	/* The list is already in sorted order. Get the next lower value */
1386  	for (index = 0; index < size; index++) {
1387  		if (rssi > sq_thresh->lower_threshold[index]) {
1388  			threshold = (u8) sq_thresh->lower_threshold[index];
1389  			break;
1390  		}
1391  	}
1392  
1393  	return threshold;
1394  }
1395  
ath6kl_wmi_send_rssi_threshold_params(struct wmi * wmi,struct wmi_rssi_threshold_params_cmd * rssi_cmd)1396  static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1397  			struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1398  {
1399  	struct sk_buff *skb;
1400  	struct wmi_rssi_threshold_params_cmd *cmd;
1401  
1402  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1403  	if (!skb)
1404  		return -ENOMEM;
1405  
1406  	cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1407  	memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1408  
1409  	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1410  				   NO_SYNC_WMIFLAG);
1411  }
1412  
ath6kl_wmi_rssi_threshold_event_rx(struct wmi * wmi,u8 * datap,int len)1413  static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1414  					      int len)
1415  {
1416  	struct wmi_rssi_threshold_event *reply;
1417  	struct wmi_rssi_threshold_params_cmd cmd;
1418  	struct sq_threshold_params *sq_thresh;
1419  	enum wmi_rssi_threshold_val new_threshold;
1420  	u8 upper_rssi_threshold, lower_rssi_threshold;
1421  	s16 rssi;
1422  	int ret;
1423  
1424  	if (len < sizeof(struct wmi_rssi_threshold_event))
1425  		return -EINVAL;
1426  
1427  	reply = (struct wmi_rssi_threshold_event *) datap;
1428  	new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1429  	rssi = a_sle16_to_cpu(reply->rssi);
1430  
1431  	sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1432  
1433  	/*
1434  	 * Identify the threshold breached and communicate that to the app.
1435  	 * After that install a new set of thresholds based on the signal
1436  	 * quality reported by the target
1437  	 */
1438  	if (new_threshold) {
1439  		/* Upper threshold breached */
1440  		if (rssi < sq_thresh->upper_threshold[0]) {
1441  			ath6kl_dbg(ATH6KL_DBG_WMI,
1442  				   "spurious upper rssi threshold event: %d\n",
1443  				   rssi);
1444  		} else if ((rssi < sq_thresh->upper_threshold[1]) &&
1445  			   (rssi >= sq_thresh->upper_threshold[0])) {
1446  			new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1447  		} else if ((rssi < sq_thresh->upper_threshold[2]) &&
1448  			   (rssi >= sq_thresh->upper_threshold[1])) {
1449  			new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1450  		} else if ((rssi < sq_thresh->upper_threshold[3]) &&
1451  			   (rssi >= sq_thresh->upper_threshold[2])) {
1452  			new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1453  		} else if ((rssi < sq_thresh->upper_threshold[4]) &&
1454  			   (rssi >= sq_thresh->upper_threshold[3])) {
1455  			new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1456  		} else if ((rssi < sq_thresh->upper_threshold[5]) &&
1457  			   (rssi >= sq_thresh->upper_threshold[4])) {
1458  			new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1459  		} else if (rssi >= sq_thresh->upper_threshold[5]) {
1460  			new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1461  		}
1462  	} else {
1463  		/* Lower threshold breached */
1464  		if (rssi > sq_thresh->lower_threshold[0]) {
1465  			ath6kl_dbg(ATH6KL_DBG_WMI,
1466  				   "spurious lower rssi threshold event: %d %d\n",
1467  				rssi, sq_thresh->lower_threshold[0]);
1468  		} else if ((rssi > sq_thresh->lower_threshold[1]) &&
1469  			   (rssi <= sq_thresh->lower_threshold[0])) {
1470  			new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1471  		} else if ((rssi > sq_thresh->lower_threshold[2]) &&
1472  			   (rssi <= sq_thresh->lower_threshold[1])) {
1473  			new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1474  		} else if ((rssi > sq_thresh->lower_threshold[3]) &&
1475  			   (rssi <= sq_thresh->lower_threshold[2])) {
1476  			new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1477  		} else if ((rssi > sq_thresh->lower_threshold[4]) &&
1478  			   (rssi <= sq_thresh->lower_threshold[3])) {
1479  			new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1480  		} else if ((rssi > sq_thresh->lower_threshold[5]) &&
1481  			   (rssi <= sq_thresh->lower_threshold[4])) {
1482  			new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1483  		} else if (rssi <= sq_thresh->lower_threshold[5]) {
1484  			new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1485  		}
1486  	}
1487  
1488  	/* Calculate and install the next set of thresholds */
1489  	lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1490  				       sq_thresh->lower_threshold_valid_count);
1491  	upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1492  				       sq_thresh->upper_threshold_valid_count);
1493  
1494  	/* Issue a wmi command to install the thresholds */
1495  	cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1496  	cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1497  	cmd.weight = sq_thresh->weight;
1498  	cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1499  
1500  	ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1501  	if (ret) {
1502  		ath6kl_err("unable to configure rssi thresholds\n");
1503  		return -EIO;
1504  	}
1505  
1506  	return 0;
1507  }
1508  
ath6kl_wmi_cac_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)1509  static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1510  				   struct ath6kl_vif *vif)
1511  {
1512  	struct wmi_cac_event *reply;
1513  	struct ieee80211_tspec_ie *ts;
1514  	u16 active_tsids, tsinfo;
1515  	u8 tsid, index;
1516  	u8 ts_id;
1517  
1518  	if (len < sizeof(struct wmi_cac_event))
1519  		return -EINVAL;
1520  
1521  	reply = (struct wmi_cac_event *) datap;
1522  
1523  	if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1524  	    (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1525  		ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1526  		tsinfo = le16_to_cpu(ts->tsinfo);
1527  		tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1528  			IEEE80211_WMM_IE_TSPEC_TID_MASK;
1529  
1530  		ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1531  					      reply->ac, tsid);
1532  	} else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1533  		/*
1534  		 * Following assumes that there is only one outstanding
1535  		 * ADDTS request when this event is received
1536  		 */
1537  		spin_lock_bh(&wmi->lock);
1538  		active_tsids = wmi->stream_exist_for_ac[reply->ac];
1539  		spin_unlock_bh(&wmi->lock);
1540  
1541  		for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1542  			if ((active_tsids >> index) & 1)
1543  				break;
1544  		}
1545  		if (index < (sizeof(active_tsids) * 8))
1546  			ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1547  						      reply->ac, index);
1548  	}
1549  
1550  	/*
1551  	 * Clear active tsids and Add missing handling
1552  	 * for delete qos stream from AP
1553  	 */
1554  	else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1555  		ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1556  		tsinfo = le16_to_cpu(ts->tsinfo);
1557  		ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1558  			 IEEE80211_WMM_IE_TSPEC_TID_MASK);
1559  
1560  		spin_lock_bh(&wmi->lock);
1561  		wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1562  		active_tsids = wmi->stream_exist_for_ac[reply->ac];
1563  		spin_unlock_bh(&wmi->lock);
1564  
1565  		/* Indicate stream inactivity to driver layer only if all tsids
1566  		 * within this AC are deleted.
1567  		 */
1568  		if (!active_tsids) {
1569  			ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1570  						    false);
1571  			wmi->fat_pipe_exist &= ~(1 << reply->ac);
1572  		}
1573  	}
1574  
1575  	return 0;
1576  }
1577  
ath6kl_wmi_txe_notify_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)1578  static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,
1579  					  struct ath6kl_vif *vif)
1580  {
1581  	struct wmi_txe_notify_event *ev;
1582  	u32 rate, pkts;
1583  
1584  	if (len < sizeof(*ev))
1585  		return -EINVAL;
1586  
1587  	if (vif->nw_type != INFRA_NETWORK ||
1588  	    !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY,
1589  		      vif->ar->fw_capabilities))
1590  		return -EOPNOTSUPP;
1591  
1592  	if (vif->sme_state != SME_CONNECTED)
1593  		return -ENOTCONN;
1594  
1595  	ev = (struct wmi_txe_notify_event *) datap;
1596  	rate = le32_to_cpu(ev->rate);
1597  	pkts = le32_to_cpu(ev->pkts);
1598  
1599  	ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d%% pkts %d intvl %ds\n",
1600  		   vif->bssid, rate, pkts, vif->txe_intvl);
1601  
1602  	cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,
1603  				rate, vif->txe_intvl, GFP_KERNEL);
1604  
1605  	return 0;
1606  }
1607  
ath6kl_wmi_set_txe_notify(struct wmi * wmi,u8 idx,u32 rate,u32 pkts,u32 intvl)1608  int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
1609  			      u32 rate, u32 pkts, u32 intvl)
1610  {
1611  	struct sk_buff *skb;
1612  	struct wmi_txe_notify_cmd *cmd;
1613  
1614  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1615  	if (!skb)
1616  		return -ENOMEM;
1617  
1618  	cmd = (struct wmi_txe_notify_cmd *) skb->data;
1619  	cmd->rate = cpu_to_le32(rate);
1620  	cmd->pkts = cpu_to_le32(pkts);
1621  	cmd->intvl = cpu_to_le32(intvl);
1622  
1623  	return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,
1624  				   NO_SYNC_WMIFLAG);
1625  }
1626  
ath6kl_wmi_set_rssi_filter_cmd(struct wmi * wmi,u8 if_idx,s8 rssi)1627  int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
1628  {
1629  	struct sk_buff *skb;
1630  	struct wmi_set_rssi_filter_cmd *cmd;
1631  	int ret;
1632  
1633  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1634  	if (!skb)
1635  		return -ENOMEM;
1636  
1637  	cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
1638  	cmd->rssi = rssi;
1639  
1640  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,
1641  				  NO_SYNC_WMIFLAG);
1642  	return ret;
1643  }
1644  
ath6kl_wmi_send_snr_threshold_params(struct wmi * wmi,struct wmi_snr_threshold_params_cmd * snr_cmd)1645  static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1646  			struct wmi_snr_threshold_params_cmd *snr_cmd)
1647  {
1648  	struct sk_buff *skb;
1649  	struct wmi_snr_threshold_params_cmd *cmd;
1650  
1651  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1652  	if (!skb)
1653  		return -ENOMEM;
1654  
1655  	cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1656  	memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1657  
1658  	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1659  				   NO_SYNC_WMIFLAG);
1660  }
1661  
ath6kl_wmi_snr_threshold_event_rx(struct wmi * wmi,u8 * datap,int len)1662  static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1663  					     int len)
1664  {
1665  	struct wmi_snr_threshold_event *reply;
1666  	struct sq_threshold_params *sq_thresh;
1667  	struct wmi_snr_threshold_params_cmd cmd;
1668  	enum wmi_snr_threshold_val new_threshold;
1669  	u8 upper_snr_threshold, lower_snr_threshold;
1670  	s16 snr;
1671  	int ret;
1672  
1673  	if (len < sizeof(struct wmi_snr_threshold_event))
1674  		return -EINVAL;
1675  
1676  	reply = (struct wmi_snr_threshold_event *) datap;
1677  
1678  	new_threshold = (enum wmi_snr_threshold_val) reply->range;
1679  	snr = reply->snr;
1680  
1681  	sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1682  
1683  	/*
1684  	 * Identify the threshold breached and communicate that to the app.
1685  	 * After that install a new set of thresholds based on the signal
1686  	 * quality reported by the target.
1687  	 */
1688  	if (new_threshold) {
1689  		/* Upper threshold breached */
1690  		if (snr < sq_thresh->upper_threshold[0]) {
1691  			ath6kl_dbg(ATH6KL_DBG_WMI,
1692  				   "spurious upper snr threshold event: %d\n",
1693  				   snr);
1694  		} else if ((snr < sq_thresh->upper_threshold[1]) &&
1695  			   (snr >= sq_thresh->upper_threshold[0])) {
1696  			new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1697  		} else if ((snr < sq_thresh->upper_threshold[2]) &&
1698  			   (snr >= sq_thresh->upper_threshold[1])) {
1699  			new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1700  		} else if ((snr < sq_thresh->upper_threshold[3]) &&
1701  			   (snr >= sq_thresh->upper_threshold[2])) {
1702  			new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1703  		} else if (snr >= sq_thresh->upper_threshold[3]) {
1704  			new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1705  		}
1706  	} else {
1707  		/* Lower threshold breached */
1708  		if (snr > sq_thresh->lower_threshold[0]) {
1709  			ath6kl_dbg(ATH6KL_DBG_WMI,
1710  				   "spurious lower snr threshold event: %d\n",
1711  				   sq_thresh->lower_threshold[0]);
1712  		} else if ((snr > sq_thresh->lower_threshold[1]) &&
1713  			   (snr <= sq_thresh->lower_threshold[0])) {
1714  			new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1715  		} else if ((snr > sq_thresh->lower_threshold[2]) &&
1716  			   (snr <= sq_thresh->lower_threshold[1])) {
1717  			new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1718  		} else if ((snr > sq_thresh->lower_threshold[3]) &&
1719  			   (snr <= sq_thresh->lower_threshold[2])) {
1720  			new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1721  		} else if (snr <= sq_thresh->lower_threshold[3]) {
1722  			new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1723  		}
1724  	}
1725  
1726  	/* Calculate and install the next set of thresholds */
1727  	lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1728  				       sq_thresh->lower_threshold_valid_count);
1729  	upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1730  				       sq_thresh->upper_threshold_valid_count);
1731  
1732  	/* Issue a wmi command to install the thresholds */
1733  	cmd.thresh_above1_val = upper_snr_threshold;
1734  	cmd.thresh_below1_val = lower_snr_threshold;
1735  	cmd.weight = sq_thresh->weight;
1736  	cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1737  
1738  	ath6kl_dbg(ATH6KL_DBG_WMI,
1739  		   "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1740  		   snr, new_threshold,
1741  		   lower_snr_threshold, upper_snr_threshold);
1742  
1743  	ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1744  	if (ret) {
1745  		ath6kl_err("unable to configure snr threshold\n");
1746  		return -EIO;
1747  	}
1748  
1749  	return 0;
1750  }
1751  
ath6kl_wmi_aplist_event_rx(struct wmi * wmi,u8 * datap,int len)1752  static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1753  {
1754  	u16 ap_info_entry_size;
1755  	struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1756  	struct wmi_ap_info_v1 *ap_info_v1;
1757  	u8 index;
1758  
1759  	if (len < sizeof(struct wmi_aplist_event) ||
1760  	    ev->ap_list_ver != APLIST_VER1)
1761  		return -EINVAL;
1762  
1763  	ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1764  	ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1765  
1766  	ath6kl_dbg(ATH6KL_DBG_WMI,
1767  		   "number of APs in aplist event: %d\n", ev->num_ap);
1768  
1769  	if (len < (int) (sizeof(struct wmi_aplist_event) +
1770  			 (ev->num_ap - 1) * ap_info_entry_size))
1771  		return -EINVAL;
1772  
1773  	/* AP list version 1 contents */
1774  	for (index = 0; index < ev->num_ap; index++) {
1775  		ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1776  			   index, ap_info_v1->bssid, ap_info_v1->channel);
1777  		ap_info_v1++;
1778  	}
1779  
1780  	return 0;
1781  }
1782  
ath6kl_wmi_cmd_send(struct wmi * wmi,u8 if_idx,struct sk_buff * skb,enum wmi_cmd_id cmd_id,enum wmi_sync_flag sync_flag)1783  int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1784  			enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1785  {
1786  	struct wmi_cmd_hdr *cmd_hdr;
1787  	enum htc_endpoint_id ep_id = wmi->ep_id;
1788  	int ret;
1789  	u16 info1;
1790  
1791  	if (WARN_ON(skb == NULL ||
1792  		    (if_idx > (wmi->parent_dev->vif_max - 1)))) {
1793  		dev_kfree_skb(skb);
1794  		return -EINVAL;
1795  	}
1796  
1797  	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1798  		   cmd_id, skb->len, sync_flag);
1799  	ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1800  			skb->data, skb->len);
1801  
1802  	if (sync_flag >= END_WMIFLAG) {
1803  		dev_kfree_skb(skb);
1804  		return -EINVAL;
1805  	}
1806  
1807  	if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1808  	    (sync_flag == SYNC_BOTH_WMIFLAG)) {
1809  		/*
1810  		 * Make sure all data currently queued is transmitted before
1811  		 * the cmd execution.  Establish a new sync point.
1812  		 */
1813  		ath6kl_wmi_sync_point(wmi, if_idx);
1814  	}
1815  
1816  	skb_push(skb, sizeof(struct wmi_cmd_hdr));
1817  
1818  	cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1819  	cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1820  	info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1821  	cmd_hdr->info1 = cpu_to_le16(info1);
1822  
1823  	/* Only for OPT_TX_CMD, use BE endpoint. */
1824  	if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1825  		ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1826  					      false, false, 0, NULL, if_idx);
1827  		if (ret) {
1828  			dev_kfree_skb(skb);
1829  			return ret;
1830  		}
1831  		ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1832  	}
1833  
1834  	ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1835  
1836  	if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1837  	    (sync_flag == SYNC_BOTH_WMIFLAG)) {
1838  		/*
1839  		 * Make sure all new data queued waits for the command to
1840  		 * execute. Establish a new sync point.
1841  		 */
1842  		ath6kl_wmi_sync_point(wmi, if_idx);
1843  	}
1844  
1845  	return 0;
1846  }
1847  
ath6kl_wmi_connect_cmd(struct wmi * wmi,u8 if_idx,enum network_type nw_type,enum dot11_auth_mode dot11_auth_mode,enum auth_mode auth_mode,enum crypto_type pairwise_crypto,u8 pairwise_crypto_len,enum crypto_type group_crypto,u8 group_crypto_len,int ssid_len,u8 * ssid,u8 * bssid,u16 channel,u32 ctrl_flags,u8 nw_subtype)1848  int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1849  			   enum network_type nw_type,
1850  			   enum dot11_auth_mode dot11_auth_mode,
1851  			   enum auth_mode auth_mode,
1852  			   enum crypto_type pairwise_crypto,
1853  			   u8 pairwise_crypto_len,
1854  			   enum crypto_type group_crypto,
1855  			   u8 group_crypto_len, int ssid_len, u8 *ssid,
1856  			   u8 *bssid, u16 channel, u32 ctrl_flags,
1857  			   u8 nw_subtype)
1858  {
1859  	struct sk_buff *skb;
1860  	struct wmi_connect_cmd *cc;
1861  	int ret;
1862  
1863  	ath6kl_dbg(ATH6KL_DBG_WMI,
1864  		   "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1865  		   "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1866  		   bssid, channel, ctrl_flags, ssid_len, nw_type,
1867  		   dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1868  	ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1869  
1870  	wmi->traffic_class = 100;
1871  
1872  	if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1873  		return -EINVAL;
1874  
1875  	if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1876  		return -EINVAL;
1877  
1878  	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1879  	if (!skb)
1880  		return -ENOMEM;
1881  
1882  	cc = (struct wmi_connect_cmd *) skb->data;
1883  
1884  	if (ssid_len)
1885  		memcpy(cc->ssid, ssid, ssid_len);
1886  
1887  	cc->ssid_len = ssid_len;
1888  	cc->nw_type = nw_type;
1889  	cc->dot11_auth_mode = dot11_auth_mode;
1890  	cc->auth_mode = auth_mode;
1891  	cc->prwise_crypto_type = pairwise_crypto;
1892  	cc->prwise_crypto_len = pairwise_crypto_len;
1893  	cc->grp_crypto_type = group_crypto;
1894  	cc->grp_crypto_len = group_crypto_len;
1895  	cc->ch = cpu_to_le16(channel);
1896  	cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1897  	cc->nw_subtype = nw_subtype;
1898  
1899  	if (bssid != NULL)
1900  		memcpy(cc->bssid, bssid, ETH_ALEN);
1901  
1902  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1903  				  NO_SYNC_WMIFLAG);
1904  
1905  	return ret;
1906  }
1907  
ath6kl_wmi_reconnect_cmd(struct wmi * wmi,u8 if_idx,u8 * bssid,u16 channel)1908  int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1909  			     u16 channel)
1910  {
1911  	struct sk_buff *skb;
1912  	struct wmi_reconnect_cmd *cc;
1913  	int ret;
1914  
1915  	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1916  		   bssid, channel);
1917  
1918  	wmi->traffic_class = 100;
1919  
1920  	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1921  	if (!skb)
1922  		return -ENOMEM;
1923  
1924  	cc = (struct wmi_reconnect_cmd *) skb->data;
1925  	cc->channel = cpu_to_le16(channel);
1926  
1927  	if (bssid != NULL)
1928  		memcpy(cc->bssid, bssid, ETH_ALEN);
1929  
1930  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1931  				  NO_SYNC_WMIFLAG);
1932  
1933  	return ret;
1934  }
1935  
ath6kl_wmi_disconnect_cmd(struct wmi * wmi,u8 if_idx)1936  int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1937  {
1938  	int ret;
1939  
1940  	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1941  
1942  	wmi->traffic_class = 100;
1943  
1944  	/* Disconnect command does not need to do a SYNC before. */
1945  	ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1946  
1947  	return ret;
1948  }
1949  
1950  /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1951   * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1952   * mgmt operations using station interface.
1953   */
ath6kl_wmi_startscan_cmd(struct wmi * wmi,u8 if_idx,enum wmi_scan_type scan_type,u32 force_fgscan,u32 is_legacy,u32 home_dwell_time,u32 force_scan_interval,s8 num_chan,u16 * ch_list)1954  static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1955  				    enum wmi_scan_type scan_type,
1956  				    u32 force_fgscan, u32 is_legacy,
1957  				    u32 home_dwell_time,
1958  				    u32 force_scan_interval,
1959  				    s8 num_chan, u16 *ch_list)
1960  {
1961  	struct sk_buff *skb;
1962  	struct wmi_start_scan_cmd *sc;
1963  	s8 size;
1964  	int i, ret;
1965  
1966  	size = sizeof(struct wmi_start_scan_cmd);
1967  
1968  	if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1969  		return -EINVAL;
1970  
1971  	if (num_chan > WMI_MAX_CHANNELS)
1972  		return -EINVAL;
1973  
1974  	if (num_chan)
1975  		size += sizeof(u16) * (num_chan - 1);
1976  
1977  	skb = ath6kl_wmi_get_new_buf(size);
1978  	if (!skb)
1979  		return -ENOMEM;
1980  
1981  	sc = (struct wmi_start_scan_cmd *) skb->data;
1982  	sc->scan_type = scan_type;
1983  	sc->force_fg_scan = cpu_to_le32(force_fgscan);
1984  	sc->is_legacy = cpu_to_le32(is_legacy);
1985  	sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1986  	sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1987  	sc->num_ch = num_chan;
1988  
1989  	for (i = 0; i < num_chan; i++)
1990  		sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1991  
1992  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1993  				  NO_SYNC_WMIFLAG);
1994  
1995  	return ret;
1996  }
1997  
1998  /*
1999   * beginscan supports (compared to old startscan) P2P mgmt operations using
2000   * station interface, send additional information like supported rates to
2001   * advertise and xmit rates for probe requests
2002   */
ath6kl_wmi_beginscan_cmd(struct wmi * wmi,u8 if_idx,enum wmi_scan_type scan_type,u32 force_fgscan,u32 is_legacy,u32 home_dwell_time,u32 force_scan_interval,s8 num_chan,u16 * ch_list,u32 no_cck,u32 * rates)2003  int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
2004  			     enum wmi_scan_type scan_type,
2005  			     u32 force_fgscan, u32 is_legacy,
2006  			     u32 home_dwell_time, u32 force_scan_interval,
2007  			     s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
2008  {
2009  	struct ieee80211_supported_band *sband;
2010  	struct sk_buff *skb;
2011  	struct wmi_begin_scan_cmd *sc;
2012  	s8 size, *supp_rates;
2013  	int i, band, ret;
2014  	struct ath6kl *ar = wmi->parent_dev;
2015  	int num_rates;
2016  	u32 ratemask;
2017  
2018  	if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
2019  		      ar->fw_capabilities)) {
2020  		return ath6kl_wmi_startscan_cmd(wmi, if_idx,
2021  						scan_type, force_fgscan,
2022  						is_legacy, home_dwell_time,
2023  						force_scan_interval,
2024  						num_chan, ch_list);
2025  	}
2026  
2027  	size = sizeof(struct wmi_begin_scan_cmd);
2028  
2029  	if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
2030  		return -EINVAL;
2031  
2032  	if (num_chan > WMI_MAX_CHANNELS)
2033  		return -EINVAL;
2034  
2035  	if (num_chan)
2036  		size += sizeof(u16) * (num_chan - 1);
2037  
2038  	skb = ath6kl_wmi_get_new_buf(size);
2039  	if (!skb)
2040  		return -ENOMEM;
2041  
2042  	sc = (struct wmi_begin_scan_cmd *) skb->data;
2043  	sc->scan_type = scan_type;
2044  	sc->force_fg_scan = cpu_to_le32(force_fgscan);
2045  	sc->is_legacy = cpu_to_le32(is_legacy);
2046  	sc->home_dwell_time = cpu_to_le32(home_dwell_time);
2047  	sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
2048  	sc->no_cck = cpu_to_le32(no_cck);
2049  	sc->num_ch = num_chan;
2050  
2051  	for (band = 0; band < NUM_NL80211_BANDS; band++) {
2052  		sband = ar->wiphy->bands[band];
2053  
2054  		if (!sband)
2055  			continue;
2056  
2057  		if (WARN_ON(band >= ATH6KL_NUM_BANDS))
2058  			break;
2059  
2060  		ratemask = rates[band];
2061  		supp_rates = sc->supp_rates[band].rates;
2062  		num_rates = 0;
2063  
2064  		for (i = 0; i < sband->n_bitrates; i++) {
2065  			if ((BIT(i) & ratemask) == 0)
2066  				continue; /* skip rate */
2067  			supp_rates[num_rates++] =
2068  			    (u8) (sband->bitrates[i].bitrate / 5);
2069  		}
2070  		sc->supp_rates[band].nrates = num_rates;
2071  	}
2072  
2073  	for (i = 0; i < num_chan; i++)
2074  		sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2075  
2076  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
2077  				  NO_SYNC_WMIFLAG);
2078  
2079  	return ret;
2080  }
2081  
ath6kl_wmi_enable_sched_scan_cmd(struct wmi * wmi,u8 if_idx,bool enable)2082  int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2083  {
2084  	struct sk_buff *skb;
2085  	struct wmi_enable_sched_scan_cmd *sc;
2086  	int ret;
2087  
2088  	skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2089  	if (!skb)
2090  		return -ENOMEM;
2091  
2092  	ath6kl_dbg(ATH6KL_DBG_WMI, "%s scheduled scan on vif %d\n",
2093  		   enable ? "enabling" : "disabling", if_idx);
2094  	sc = (struct wmi_enable_sched_scan_cmd *) skb->data;
2095  	sc->enable = enable ? 1 : 0;
2096  
2097  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2098  				  WMI_ENABLE_SCHED_SCAN_CMDID,
2099  				  NO_SYNC_WMIFLAG);
2100  	return ret;
2101  }
2102  
ath6kl_wmi_scanparams_cmd(struct wmi * wmi,u8 if_idx,u16 fg_start_sec,u16 fg_end_sec,u16 bg_sec,u16 minact_chdw_msec,u16 maxact_chdw_msec,u16 pas_chdw_msec,u8 short_scan_ratio,u8 scan_ctrl_flag,u32 max_dfsch_act_time,u16 maxact_scan_per_ssid)2103  int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
2104  			      u16 fg_start_sec,
2105  			      u16 fg_end_sec, u16 bg_sec,
2106  			      u16 minact_chdw_msec, u16 maxact_chdw_msec,
2107  			      u16 pas_chdw_msec, u8 short_scan_ratio,
2108  			      u8 scan_ctrl_flag, u32 max_dfsch_act_time,
2109  			      u16 maxact_scan_per_ssid)
2110  {
2111  	struct sk_buff *skb;
2112  	struct wmi_scan_params_cmd *sc;
2113  	int ret;
2114  
2115  	skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2116  	if (!skb)
2117  		return -ENOMEM;
2118  
2119  	sc = (struct wmi_scan_params_cmd *) skb->data;
2120  	sc->fg_start_period = cpu_to_le16(fg_start_sec);
2121  	sc->fg_end_period = cpu_to_le16(fg_end_sec);
2122  	sc->bg_period = cpu_to_le16(bg_sec);
2123  	sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
2124  	sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
2125  	sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
2126  	sc->short_scan_ratio = short_scan_ratio;
2127  	sc->scan_ctrl_flags = scan_ctrl_flag;
2128  	sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
2129  	sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
2130  
2131  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
2132  				  NO_SYNC_WMIFLAG);
2133  	return ret;
2134  }
2135  
ath6kl_wmi_bssfilter_cmd(struct wmi * wmi,u8 if_idx,u8 filter,u32 ie_mask)2136  int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
2137  {
2138  	struct sk_buff *skb;
2139  	struct wmi_bss_filter_cmd *cmd;
2140  	int ret;
2141  
2142  	if (filter >= LAST_BSS_FILTER)
2143  		return -EINVAL;
2144  
2145  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2146  	if (!skb)
2147  		return -ENOMEM;
2148  
2149  	cmd = (struct wmi_bss_filter_cmd *) skb->data;
2150  	cmd->bss_filter = filter;
2151  	cmd->ie_mask = cpu_to_le32(ie_mask);
2152  
2153  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
2154  				  NO_SYNC_WMIFLAG);
2155  	return ret;
2156  }
2157  
ath6kl_wmi_probedssid_cmd(struct wmi * wmi,u8 if_idx,u8 index,u8 flag,u8 ssid_len,u8 * ssid)2158  int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2159  			      u8 ssid_len, u8 *ssid)
2160  {
2161  	struct sk_buff *skb;
2162  	struct wmi_probed_ssid_cmd *cmd;
2163  	int ret;
2164  
2165  	if (index >= MAX_PROBED_SSIDS)
2166  		return -EINVAL;
2167  
2168  	if (ssid_len > sizeof(cmd->ssid))
2169  		return -EINVAL;
2170  
2171  	if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2172  		return -EINVAL;
2173  
2174  	if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2175  		return -EINVAL;
2176  
2177  	if (flag & SPECIFIC_SSID_FLAG)
2178  		wmi->is_probe_ssid = true;
2179  
2180  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2181  	if (!skb)
2182  		return -ENOMEM;
2183  
2184  	cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2185  	cmd->entry_index = index;
2186  	cmd->flag = flag;
2187  	cmd->ssid_len = ssid_len;
2188  	memcpy(cmd->ssid, ssid, ssid_len);
2189  
2190  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2191  				  NO_SYNC_WMIFLAG);
2192  	return ret;
2193  }
2194  
ath6kl_wmi_listeninterval_cmd(struct wmi * wmi,u8 if_idx,u16 listen_interval,u16 listen_beacons)2195  int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2196  				  u16 listen_interval,
2197  				  u16 listen_beacons)
2198  {
2199  	struct sk_buff *skb;
2200  	struct wmi_listen_int_cmd *cmd;
2201  	int ret;
2202  
2203  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2204  	if (!skb)
2205  		return -ENOMEM;
2206  
2207  	cmd = (struct wmi_listen_int_cmd *) skb->data;
2208  	cmd->listen_intvl = cpu_to_le16(listen_interval);
2209  	cmd->num_beacons = cpu_to_le16(listen_beacons);
2210  
2211  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2212  				  NO_SYNC_WMIFLAG);
2213  	return ret;
2214  }
2215  
ath6kl_wmi_bmisstime_cmd(struct wmi * wmi,u8 if_idx,u16 bmiss_time,u16 num_beacons)2216  int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2217  			     u16 bmiss_time, u16 num_beacons)
2218  {
2219  	struct sk_buff *skb;
2220  	struct wmi_bmiss_time_cmd *cmd;
2221  	int ret;
2222  
2223  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2224  	if (!skb)
2225  		return -ENOMEM;
2226  
2227  	cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2228  	cmd->bmiss_time = cpu_to_le16(bmiss_time);
2229  	cmd->num_beacons = cpu_to_le16(num_beacons);
2230  
2231  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2232  				  NO_SYNC_WMIFLAG);
2233  	return ret;
2234  }
2235  
ath6kl_wmi_powermode_cmd(struct wmi * wmi,u8 if_idx,u8 pwr_mode)2236  int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2237  {
2238  	struct sk_buff *skb;
2239  	struct wmi_power_mode_cmd *cmd;
2240  	int ret;
2241  
2242  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2243  	if (!skb)
2244  		return -ENOMEM;
2245  
2246  	cmd = (struct wmi_power_mode_cmd *) skb->data;
2247  	cmd->pwr_mode = pwr_mode;
2248  	wmi->pwr_mode = pwr_mode;
2249  
2250  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2251  				  NO_SYNC_WMIFLAG);
2252  	return ret;
2253  }
2254  
ath6kl_wmi_pmparams_cmd(struct wmi * wmi,u8 if_idx,u16 idle_period,u16 ps_poll_num,u16 dtim_policy,u16 tx_wakeup_policy,u16 num_tx_to_wakeup,u16 ps_fail_event_policy)2255  int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2256  			    u16 ps_poll_num, u16 dtim_policy,
2257  			    u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2258  			    u16 ps_fail_event_policy)
2259  {
2260  	struct sk_buff *skb;
2261  	struct wmi_power_params_cmd *pm;
2262  	int ret;
2263  
2264  	skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2265  	if (!skb)
2266  		return -ENOMEM;
2267  
2268  	pm = (struct wmi_power_params_cmd *)skb->data;
2269  	pm->idle_period = cpu_to_le16(idle_period);
2270  	pm->pspoll_number = cpu_to_le16(ps_poll_num);
2271  	pm->dtim_policy = cpu_to_le16(dtim_policy);
2272  	pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2273  	pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2274  	pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2275  
2276  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2277  				  NO_SYNC_WMIFLAG);
2278  	return ret;
2279  }
2280  
ath6kl_wmi_disctimeout_cmd(struct wmi * wmi,u8 if_idx,u8 timeout)2281  int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2282  {
2283  	struct sk_buff *skb;
2284  	struct wmi_disc_timeout_cmd *cmd;
2285  	int ret;
2286  
2287  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2288  	if (!skb)
2289  		return -ENOMEM;
2290  
2291  	cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2292  	cmd->discon_timeout = timeout;
2293  
2294  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2295  				  NO_SYNC_WMIFLAG);
2296  
2297  	if (ret == 0)
2298  		ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2299  
2300  	return ret;
2301  }
2302  
ath6kl_wmi_addkey_cmd(struct wmi * wmi,u8 if_idx,u8 key_index,enum crypto_type key_type,u8 key_usage,u8 key_len,u8 * key_rsc,unsigned int key_rsc_len,u8 * key_material,u8 key_op_ctrl,u8 * mac_addr,enum wmi_sync_flag sync_flag)2303  int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2304  			  enum crypto_type key_type,
2305  			  u8 key_usage, u8 key_len,
2306  			  u8 *key_rsc, unsigned int key_rsc_len,
2307  			  u8 *key_material,
2308  			  u8 key_op_ctrl, u8 *mac_addr,
2309  			  enum wmi_sync_flag sync_flag)
2310  {
2311  	struct sk_buff *skb;
2312  	struct wmi_add_cipher_key_cmd *cmd;
2313  	int ret;
2314  
2315  	ath6kl_dbg(ATH6KL_DBG_WMI,
2316  		   "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2317  		   key_index, key_type, key_usage, key_len, key_op_ctrl);
2318  
2319  	if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2320  	    (key_material == NULL) || key_rsc_len > 8)
2321  		return -EINVAL;
2322  
2323  	if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2324  		return -EINVAL;
2325  
2326  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2327  	if (!skb)
2328  		return -ENOMEM;
2329  
2330  	cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2331  	cmd->key_index = key_index;
2332  	cmd->key_type = key_type;
2333  	cmd->key_usage = key_usage;
2334  	cmd->key_len = key_len;
2335  	memcpy(cmd->key, key_material, key_len);
2336  
2337  	if (key_rsc != NULL)
2338  		memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2339  
2340  	cmd->key_op_ctrl = key_op_ctrl;
2341  
2342  	if (mac_addr)
2343  		memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2344  
2345  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2346  				  sync_flag);
2347  
2348  	return ret;
2349  }
2350  
ath6kl_wmi_add_krk_cmd(struct wmi * wmi,u8 if_idx,const u8 * krk)2351  int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, const u8 *krk)
2352  {
2353  	struct sk_buff *skb;
2354  	struct wmi_add_krk_cmd *cmd;
2355  	int ret;
2356  
2357  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2358  	if (!skb)
2359  		return -ENOMEM;
2360  
2361  	cmd = (struct wmi_add_krk_cmd *) skb->data;
2362  	memcpy(cmd->krk, krk, WMI_KRK_LEN);
2363  
2364  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2365  				  NO_SYNC_WMIFLAG);
2366  
2367  	return ret;
2368  }
2369  
ath6kl_wmi_deletekey_cmd(struct wmi * wmi,u8 if_idx,u8 key_index)2370  int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2371  {
2372  	struct sk_buff *skb;
2373  	struct wmi_delete_cipher_key_cmd *cmd;
2374  	int ret;
2375  
2376  	if (key_index > WMI_MAX_KEY_INDEX)
2377  		return -EINVAL;
2378  
2379  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2380  	if (!skb)
2381  		return -ENOMEM;
2382  
2383  	cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2384  	cmd->key_index = key_index;
2385  
2386  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2387  				  NO_SYNC_WMIFLAG);
2388  
2389  	return ret;
2390  }
2391  
ath6kl_wmi_setpmkid_cmd(struct wmi * wmi,u8 if_idx,const u8 * bssid,const u8 * pmkid,bool set)2392  int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2393  			    const u8 *pmkid, bool set)
2394  {
2395  	struct sk_buff *skb;
2396  	struct wmi_setpmkid_cmd *cmd;
2397  	int ret;
2398  
2399  	if (bssid == NULL)
2400  		return -EINVAL;
2401  
2402  	if (set && pmkid == NULL)
2403  		return -EINVAL;
2404  
2405  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2406  	if (!skb)
2407  		return -ENOMEM;
2408  
2409  	cmd = (struct wmi_setpmkid_cmd *) skb->data;
2410  	memcpy(cmd->bssid, bssid, ETH_ALEN);
2411  	if (set) {
2412  		memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2413  		cmd->enable = PMKID_ENABLE;
2414  	} else {
2415  		memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2416  		cmd->enable = PMKID_DISABLE;
2417  	}
2418  
2419  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2420  				  NO_SYNC_WMIFLAG);
2421  
2422  	return ret;
2423  }
2424  
ath6kl_wmi_data_sync_send(struct wmi * wmi,struct sk_buff * skb,enum htc_endpoint_id ep_id,u8 if_idx)2425  static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2426  			      enum htc_endpoint_id ep_id, u8 if_idx)
2427  {
2428  	struct wmi_data_hdr *data_hdr;
2429  	int ret;
2430  
2431  	if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {
2432  		dev_kfree_skb(skb);
2433  		return -EINVAL;
2434  	}
2435  
2436  	skb_push(skb, sizeof(struct wmi_data_hdr));
2437  
2438  	data_hdr = (struct wmi_data_hdr *) skb->data;
2439  	data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2440  	data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2441  
2442  	ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2443  
2444  	return ret;
2445  }
2446  
ath6kl_wmi_sync_point(struct wmi * wmi,u8 if_idx)2447  static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2448  {
2449  	struct sk_buff *skb;
2450  	struct wmi_sync_cmd *cmd;
2451  	struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2452  	enum htc_endpoint_id ep_id;
2453  	u8 index, num_pri_streams = 0;
2454  	int ret = 0;
2455  
2456  	memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2457  
2458  	spin_lock_bh(&wmi->lock);
2459  
2460  	for (index = 0; index < WMM_NUM_AC; index++) {
2461  		if (wmi->fat_pipe_exist & (1 << index)) {
2462  			num_pri_streams++;
2463  			data_sync_bufs[num_pri_streams - 1].traffic_class =
2464  			    index;
2465  		}
2466  	}
2467  
2468  	spin_unlock_bh(&wmi->lock);
2469  
2470  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2471  	if (!skb)
2472  		return -ENOMEM;
2473  
2474  	cmd = (struct wmi_sync_cmd *) skb->data;
2475  
2476  	/*
2477  	 * In the SYNC cmd sent on the control Ep, send a bitmap
2478  	 * of the data eps on which the Data Sync will be sent
2479  	 */
2480  	cmd->data_sync_map = wmi->fat_pipe_exist;
2481  
2482  	for (index = 0; index < num_pri_streams; index++) {
2483  		data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2484  		if (data_sync_bufs[index].skb == NULL) {
2485  			ret = -ENOMEM;
2486  			break;
2487  		}
2488  	}
2489  
2490  	/*
2491  	 * If buffer allocation for any of the dataSync fails,
2492  	 * then do not send the Synchronize cmd on the control ep
2493  	 */
2494  	if (ret)
2495  		goto free_cmd_skb;
2496  
2497  	/*
2498  	 * Send sync cmd followed by sync data messages on all
2499  	 * endpoints being used
2500  	 */
2501  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2502  				  NO_SYNC_WMIFLAG);
2503  
2504  	if (ret)
2505  		goto free_data_skb;
2506  
2507  	for (index = 0; index < num_pri_streams; index++) {
2508  		if (WARN_ON(!data_sync_bufs[index].skb))
2509  			goto free_data_skb;
2510  
2511  		ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2512  					       data_sync_bufs[index].
2513  					       traffic_class);
2514  		ret =
2515  		    ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2516  					      ep_id, if_idx);
2517  
2518  		data_sync_bufs[index].skb = NULL;
2519  
2520  		if (ret)
2521  			goto free_data_skb;
2522  	}
2523  
2524  	return 0;
2525  
2526  free_cmd_skb:
2527  	/* free up any resources left over (possibly due to an error) */
2528  	dev_kfree_skb(skb);
2529  
2530  free_data_skb:
2531  	for (index = 0; index < num_pri_streams; index++)
2532  		dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].skb);
2533  
2534  	return ret;
2535  }
2536  
ath6kl_wmi_create_pstream_cmd(struct wmi * wmi,u8 if_idx,struct wmi_create_pstream_cmd * params)2537  int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2538  				  struct wmi_create_pstream_cmd *params)
2539  {
2540  	struct sk_buff *skb;
2541  	struct wmi_create_pstream_cmd *cmd;
2542  	u8 fatpipe_exist_for_ac = 0;
2543  	s32 min_phy = 0;
2544  	s32 nominal_phy = 0;
2545  	int ret;
2546  
2547  	if (!((params->user_pri <= 0x7) &&
2548  	      (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2549  	      (params->traffic_direc == UPLINK_TRAFFIC ||
2550  	       params->traffic_direc == DNLINK_TRAFFIC ||
2551  	       params->traffic_direc == BIDIR_TRAFFIC) &&
2552  	      (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2553  	       params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2554  	      (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2555  	       params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2556  	       params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2557  	      (params->tsid == WMI_IMPLICIT_PSTREAM ||
2558  	       params->tsid <= WMI_MAX_THINSTREAM))) {
2559  		return -EINVAL;
2560  	}
2561  
2562  	/*
2563  	 * Check nominal PHY rate is >= minimalPHY,
2564  	 * so that DUT can allow TSRS IE
2565  	 */
2566  
2567  	/* Get the physical rate (units of bps) */
2568  	min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2569  
2570  	/* Check minimal phy < nominal phy rate */
2571  	if (params->nominal_phy >= min_phy) {
2572  		/* unit of 500 kbps */
2573  		nominal_phy = (params->nominal_phy * 1000) / 500;
2574  		ath6kl_dbg(ATH6KL_DBG_WMI,
2575  			   "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2576  			   min_phy, nominal_phy);
2577  
2578  		params->nominal_phy = nominal_phy;
2579  	} else {
2580  		params->nominal_phy = 0;
2581  	}
2582  
2583  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2584  	if (!skb)
2585  		return -ENOMEM;
2586  
2587  	ath6kl_dbg(ATH6KL_DBG_WMI,
2588  		   "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2589  		   params->traffic_class, params->tsid);
2590  
2591  	cmd = (struct wmi_create_pstream_cmd *) skb->data;
2592  	memcpy(cmd, params, sizeof(*cmd));
2593  
2594  	/* This is an implicitly created Fat pipe */
2595  	if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2596  		spin_lock_bh(&wmi->lock);
2597  		fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2598  					(1 << params->traffic_class));
2599  		wmi->fat_pipe_exist |= (1 << params->traffic_class);
2600  		spin_unlock_bh(&wmi->lock);
2601  	} else {
2602  		/* explicitly created thin stream within a fat pipe */
2603  		spin_lock_bh(&wmi->lock);
2604  		fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2605  					(1 << params->traffic_class));
2606  		wmi->stream_exist_for_ac[params->traffic_class] |=
2607  		    (1 << params->tsid);
2608  		/*
2609  		 * If a thinstream becomes active, the fat pipe automatically
2610  		 * becomes active
2611  		 */
2612  		wmi->fat_pipe_exist |= (1 << params->traffic_class);
2613  		spin_unlock_bh(&wmi->lock);
2614  	}
2615  
2616  	/*
2617  	 * Indicate activty change to driver layer only if this is the
2618  	 * first TSID to get created in this AC explicitly or an implicit
2619  	 * fat pipe is getting created.
2620  	 */
2621  	if (!fatpipe_exist_for_ac)
2622  		ath6kl_indicate_tx_activity(wmi->parent_dev,
2623  					    params->traffic_class, true);
2624  
2625  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2626  				  NO_SYNC_WMIFLAG);
2627  	return ret;
2628  }
2629  
ath6kl_wmi_delete_pstream_cmd(struct wmi * wmi,u8 if_idx,u8 traffic_class,u8 tsid)2630  int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2631  				  u8 tsid)
2632  {
2633  	struct sk_buff *skb;
2634  	struct wmi_delete_pstream_cmd *cmd;
2635  	u16 active_tsids = 0;
2636  	int ret;
2637  
2638  	if (traffic_class > 3) {
2639  		ath6kl_err("invalid traffic class: %d\n", traffic_class);
2640  		return -EINVAL;
2641  	}
2642  
2643  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2644  	if (!skb)
2645  		return -ENOMEM;
2646  
2647  	cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2648  	cmd->traffic_class = traffic_class;
2649  	cmd->tsid = tsid;
2650  
2651  	spin_lock_bh(&wmi->lock);
2652  	active_tsids = wmi->stream_exist_for_ac[traffic_class];
2653  	spin_unlock_bh(&wmi->lock);
2654  
2655  	if (!(active_tsids & (1 << tsid))) {
2656  		dev_kfree_skb(skb);
2657  		ath6kl_dbg(ATH6KL_DBG_WMI,
2658  			   "TSID %d doesn't exist for traffic class: %d\n",
2659  			   tsid, traffic_class);
2660  		return -ENODATA;
2661  	}
2662  
2663  	ath6kl_dbg(ATH6KL_DBG_WMI,
2664  		   "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2665  		   traffic_class, tsid);
2666  
2667  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2668  				  SYNC_BEFORE_WMIFLAG);
2669  
2670  	spin_lock_bh(&wmi->lock);
2671  	wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2672  	active_tsids = wmi->stream_exist_for_ac[traffic_class];
2673  	spin_unlock_bh(&wmi->lock);
2674  
2675  	/*
2676  	 * Indicate stream inactivity to driver layer only if all tsids
2677  	 * within this AC are deleted.
2678  	 */
2679  	if (!active_tsids) {
2680  		ath6kl_indicate_tx_activity(wmi->parent_dev,
2681  					    traffic_class, false);
2682  		wmi->fat_pipe_exist &= ~(1 << traffic_class);
2683  	}
2684  
2685  	return ret;
2686  }
2687  
ath6kl_wmi_set_ip_cmd(struct wmi * wmi,u8 if_idx,__be32 ips0,__be32 ips1)2688  int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2689  			  __be32 ips0, __be32 ips1)
2690  {
2691  	struct sk_buff *skb;
2692  	struct wmi_set_ip_cmd *cmd;
2693  	int ret;
2694  
2695  	/* Multicast address are not valid */
2696  	if (ipv4_is_multicast(ips0) ||
2697  	    ipv4_is_multicast(ips1))
2698  		return -EINVAL;
2699  
2700  	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2701  	if (!skb)
2702  		return -ENOMEM;
2703  
2704  	cmd = (struct wmi_set_ip_cmd *) skb->data;
2705  	cmd->ips[0] = ips0;
2706  	cmd->ips[1] = ips1;
2707  
2708  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2709  				  NO_SYNC_WMIFLAG);
2710  	return ret;
2711  }
2712  
ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi * wmi)2713  static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2714  {
2715  	u16 active_tsids;
2716  	u8 stream_exist;
2717  	int i;
2718  
2719  	/*
2720  	 * Relinquish credits from all implicitly created pstreams
2721  	 * since when we go to sleep. If user created explicit
2722  	 * thinstreams exists with in a fatpipe leave them intact
2723  	 * for the user to delete.
2724  	 */
2725  	spin_lock_bh(&wmi->lock);
2726  	stream_exist = wmi->fat_pipe_exist;
2727  	spin_unlock_bh(&wmi->lock);
2728  
2729  	for (i = 0; i < WMM_NUM_AC; i++) {
2730  		if (stream_exist & (1 << i)) {
2731  			/*
2732  			 * FIXME: Is this lock & unlock inside
2733  			 * for loop correct? may need rework.
2734  			 */
2735  			spin_lock_bh(&wmi->lock);
2736  			active_tsids = wmi->stream_exist_for_ac[i];
2737  			spin_unlock_bh(&wmi->lock);
2738  
2739  			/*
2740  			 * If there are no user created thin streams
2741  			 * delete the fatpipe
2742  			 */
2743  			if (!active_tsids) {
2744  				stream_exist &= ~(1 << i);
2745  				/*
2746  				 * Indicate inactivity to driver layer for
2747  				 * this fatpipe (pstream)
2748  				 */
2749  				ath6kl_indicate_tx_activity(wmi->parent_dev,
2750  							    i, false);
2751  			}
2752  		}
2753  	}
2754  
2755  	/* FIXME: Can we do this assignment without locking ? */
2756  	spin_lock_bh(&wmi->lock);
2757  	wmi->fat_pipe_exist = stream_exist;
2758  	spin_unlock_bh(&wmi->lock);
2759  }
2760  
ath6kl_set_bitrate_mask64(struct wmi * wmi,u8 if_idx,const struct cfg80211_bitrate_mask * mask)2761  static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2762  				     const struct cfg80211_bitrate_mask *mask)
2763  {
2764  	struct sk_buff *skb;
2765  	int ret, mode, band;
2766  	u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2767  	struct wmi_set_tx_select_rates64_cmd *cmd;
2768  
2769  	memset(&ratemask, 0, sizeof(ratemask));
2770  
2771  	/* only check 2.4 and 5 GHz bands, skip the rest */
2772  	for (band = 0; band <= NL80211_BAND_5GHZ; band++) {
2773  		/* copy legacy rate mask */
2774  		ratemask[band] = mask->control[band].legacy;
2775  		if (band == NL80211_BAND_5GHZ)
2776  			ratemask[band] =
2777  				mask->control[band].legacy << 4;
2778  
2779  		/* copy mcs rate mask */
2780  		mcsrate = mask->control[band].ht_mcs[1];
2781  		mcsrate <<= 8;
2782  		mcsrate |= mask->control[band].ht_mcs[0];
2783  		ratemask[band] |= mcsrate << 12;
2784  		ratemask[band] |= mcsrate << 28;
2785  	}
2786  
2787  	ath6kl_dbg(ATH6KL_DBG_WMI,
2788  		   "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2789  		   ratemask[0], ratemask[1]);
2790  
2791  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2792  	if (!skb)
2793  		return -ENOMEM;
2794  
2795  	cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2796  	for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2797  		/* A mode operate in 5GHZ band */
2798  		if (mode == WMI_RATES_MODE_11A ||
2799  		    mode == WMI_RATES_MODE_11A_HT20 ||
2800  		    mode == WMI_RATES_MODE_11A_HT40)
2801  			band = NL80211_BAND_5GHZ;
2802  		else
2803  			band = NL80211_BAND_2GHZ;
2804  		cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2805  	}
2806  
2807  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2808  				  WMI_SET_TX_SELECT_RATES_CMDID,
2809  				  NO_SYNC_WMIFLAG);
2810  	return ret;
2811  }
2812  
ath6kl_set_bitrate_mask32(struct wmi * wmi,u8 if_idx,const struct cfg80211_bitrate_mask * mask)2813  static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2814  				     const struct cfg80211_bitrate_mask *mask)
2815  {
2816  	struct sk_buff *skb;
2817  	int ret, mode, band;
2818  	u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2819  	struct wmi_set_tx_select_rates32_cmd *cmd;
2820  
2821  	memset(&ratemask, 0, sizeof(ratemask));
2822  
2823  	/* only check 2.4 and 5 GHz bands, skip the rest */
2824  	for (band = 0; band <= NL80211_BAND_5GHZ; band++) {
2825  		/* copy legacy rate mask */
2826  		ratemask[band] = mask->control[band].legacy;
2827  		if (band == NL80211_BAND_5GHZ)
2828  			ratemask[band] =
2829  				mask->control[band].legacy << 4;
2830  
2831  		/* copy mcs rate mask */
2832  		mcsrate = mask->control[band].ht_mcs[0];
2833  		ratemask[band] |= mcsrate << 12;
2834  		ratemask[band] |= mcsrate << 20;
2835  	}
2836  
2837  	ath6kl_dbg(ATH6KL_DBG_WMI,
2838  		   "Ratemask 32 bit: 2.4:%x 5:%x\n",
2839  		   ratemask[0], ratemask[1]);
2840  
2841  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2842  	if (!skb)
2843  		return -ENOMEM;
2844  
2845  	cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2846  	for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2847  		/* A mode operate in 5GHZ band */
2848  		if (mode == WMI_RATES_MODE_11A ||
2849  		    mode == WMI_RATES_MODE_11A_HT20 ||
2850  		    mode == WMI_RATES_MODE_11A_HT40)
2851  			band = NL80211_BAND_5GHZ;
2852  		else
2853  			band = NL80211_BAND_2GHZ;
2854  		cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2855  	}
2856  
2857  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2858  				  WMI_SET_TX_SELECT_RATES_CMDID,
2859  				  NO_SYNC_WMIFLAG);
2860  	return ret;
2861  }
2862  
ath6kl_wmi_set_bitrate_mask(struct wmi * wmi,u8 if_idx,const struct cfg80211_bitrate_mask * mask)2863  int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2864  				const struct cfg80211_bitrate_mask *mask)
2865  {
2866  	struct ath6kl *ar = wmi->parent_dev;
2867  
2868  	if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
2869  		     ar->fw_capabilities))
2870  		return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
2871  	else
2872  		return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
2873  }
2874  
ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi * wmi,u8 if_idx,enum ath6kl_host_mode host_mode)2875  int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2876  				       enum ath6kl_host_mode host_mode)
2877  {
2878  	struct sk_buff *skb;
2879  	struct wmi_set_host_sleep_mode_cmd *cmd;
2880  	int ret;
2881  
2882  	if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2883  	    (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2884  		ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2885  		return -EINVAL;
2886  	}
2887  
2888  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2889  	if (!skb)
2890  		return -ENOMEM;
2891  
2892  	cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2893  
2894  	if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2895  		ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2896  		cmd->asleep = cpu_to_le32(1);
2897  	} else {
2898  		cmd->awake = cpu_to_le32(1);
2899  	}
2900  
2901  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2902  				  WMI_SET_HOST_SLEEP_MODE_CMDID,
2903  				  NO_SYNC_WMIFLAG);
2904  	return ret;
2905  }
2906  
2907  /* This command has zero length payload */
ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi * wmi,struct ath6kl_vif * vif)2908  static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2909  						      struct ath6kl_vif *vif)
2910  {
2911  	struct ath6kl *ar = wmi->parent_dev;
2912  
2913  	set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2914  	wake_up(&ar->event_wq);
2915  
2916  	return 0;
2917  }
2918  
ath6kl_wmi_set_wow_mode_cmd(struct wmi * wmi,u8 if_idx,enum ath6kl_wow_mode wow_mode,u32 filter,u16 host_req_delay)2919  int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2920  				enum ath6kl_wow_mode wow_mode,
2921  				u32 filter, u16 host_req_delay)
2922  {
2923  	struct sk_buff *skb;
2924  	struct wmi_set_wow_mode_cmd *cmd;
2925  	int ret;
2926  
2927  	if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2928  	    wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2929  		ath6kl_err("invalid wow mode: %d\n", wow_mode);
2930  		return -EINVAL;
2931  	}
2932  
2933  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2934  	if (!skb)
2935  		return -ENOMEM;
2936  
2937  	cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2938  	cmd->enable_wow = cpu_to_le32(wow_mode);
2939  	cmd->filter = cpu_to_le32(filter);
2940  	cmd->host_req_delay = cpu_to_le16(host_req_delay);
2941  
2942  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2943  				  NO_SYNC_WMIFLAG);
2944  	return ret;
2945  }
2946  
ath6kl_wmi_add_wow_pattern_cmd(struct wmi * wmi,u8 if_idx,u8 list_id,u8 filter_size,u8 filter_offset,const u8 * filter,const u8 * mask)2947  int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2948  				   u8 list_id, u8 filter_size,
2949  				   u8 filter_offset, const u8 *filter,
2950  				   const u8 *mask)
2951  {
2952  	struct sk_buff *skb;
2953  	struct wmi_add_wow_pattern_cmd *cmd;
2954  	u16 size;
2955  	u8 *filter_mask;
2956  	int ret;
2957  
2958  	/*
2959  	 * Allocate additional memory in the buffer to hold
2960  	 * filter and mask value, which is twice of filter_size.
2961  	 */
2962  	size = sizeof(*cmd) + (2 * filter_size);
2963  
2964  	skb = ath6kl_wmi_get_new_buf(size);
2965  	if (!skb)
2966  		return -ENOMEM;
2967  
2968  	cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2969  	cmd->filter_list_id = list_id;
2970  	cmd->filter_size = filter_size;
2971  	cmd->filter_offset = filter_offset;
2972  
2973  	memcpy(cmd->filter, filter, filter_size);
2974  
2975  	filter_mask = (u8 *) (cmd->filter + filter_size);
2976  	memcpy(filter_mask, mask, filter_size);
2977  
2978  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2979  				  NO_SYNC_WMIFLAG);
2980  
2981  	return ret;
2982  }
2983  
ath6kl_wmi_del_wow_pattern_cmd(struct wmi * wmi,u8 if_idx,u16 list_id,u16 filter_id)2984  int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2985  				   u16 list_id, u16 filter_id)
2986  {
2987  	struct sk_buff *skb;
2988  	struct wmi_del_wow_pattern_cmd *cmd;
2989  	int ret;
2990  
2991  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2992  	if (!skb)
2993  		return -ENOMEM;
2994  
2995  	cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2996  	cmd->filter_list_id = cpu_to_le16(list_id);
2997  	cmd->filter_id = cpu_to_le16(filter_id);
2998  
2999  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
3000  				  NO_SYNC_WMIFLAG);
3001  	return ret;
3002  }
3003  
ath6kl_wmi_cmd_send_xtnd(struct wmi * wmi,struct sk_buff * skb,enum wmix_command_id cmd_id,enum wmi_sync_flag sync_flag)3004  static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
3005  				    enum wmix_command_id cmd_id,
3006  				    enum wmi_sync_flag sync_flag)
3007  {
3008  	struct wmix_cmd_hdr *cmd_hdr;
3009  	int ret;
3010  
3011  	skb_push(skb, sizeof(struct wmix_cmd_hdr));
3012  
3013  	cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
3014  	cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
3015  
3016  	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
3017  
3018  	return ret;
3019  }
3020  
ath6kl_wmi_get_challenge_resp_cmd(struct wmi * wmi,u32 cookie,u32 source)3021  int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
3022  {
3023  	struct sk_buff *skb;
3024  	struct wmix_hb_challenge_resp_cmd *cmd;
3025  	int ret;
3026  
3027  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3028  	if (!skb)
3029  		return -ENOMEM;
3030  
3031  	cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
3032  	cmd->cookie = cpu_to_le32(cookie);
3033  	cmd->source = cpu_to_le32(source);
3034  
3035  	ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
3036  				       NO_SYNC_WMIFLAG);
3037  	return ret;
3038  }
3039  
ath6kl_wmi_config_debug_module_cmd(struct wmi * wmi,u32 valid,u32 config)3040  int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
3041  {
3042  	struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
3043  	struct sk_buff *skb;
3044  	int ret;
3045  
3046  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3047  	if (!skb)
3048  		return -ENOMEM;
3049  
3050  	cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
3051  	cmd->valid = cpu_to_le32(valid);
3052  	cmd->config = cpu_to_le32(config);
3053  
3054  	ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
3055  				       NO_SYNC_WMIFLAG);
3056  	return ret;
3057  }
3058  
ath6kl_wmi_get_stats_cmd(struct wmi * wmi,u8 if_idx)3059  int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
3060  {
3061  	return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
3062  }
3063  
ath6kl_wmi_set_tx_pwr_cmd(struct wmi * wmi,u8 if_idx,u8 dbM)3064  int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
3065  {
3066  	struct sk_buff *skb;
3067  	struct wmi_set_tx_pwr_cmd *cmd;
3068  	int ret;
3069  
3070  	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
3071  	if (!skb)
3072  		return -ENOMEM;
3073  
3074  	cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
3075  	cmd->dbM = dbM;
3076  
3077  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
3078  				  NO_SYNC_WMIFLAG);
3079  
3080  	return ret;
3081  }
3082  
ath6kl_wmi_get_tx_pwr_cmd(struct wmi * wmi,u8 if_idx)3083  int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
3084  {
3085  	return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
3086  }
3087  
ath6kl_wmi_get_roam_tbl_cmd(struct wmi * wmi)3088  int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
3089  {
3090  	return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
3091  }
3092  
ath6kl_wmi_set_lpreamble_cmd(struct wmi * wmi,u8 if_idx,u8 status,u8 preamble_policy)3093  int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
3094  				 u8 preamble_policy)
3095  {
3096  	struct sk_buff *skb;
3097  	struct wmi_set_lpreamble_cmd *cmd;
3098  	int ret;
3099  
3100  	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
3101  	if (!skb)
3102  		return -ENOMEM;
3103  
3104  	cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
3105  	cmd->status = status;
3106  	cmd->preamble_policy = preamble_policy;
3107  
3108  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
3109  				  NO_SYNC_WMIFLAG);
3110  	return ret;
3111  }
3112  
ath6kl_wmi_set_rts_cmd(struct wmi * wmi,u16 threshold)3113  int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
3114  {
3115  	struct sk_buff *skb;
3116  	struct wmi_set_rts_cmd *cmd;
3117  	int ret;
3118  
3119  	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
3120  	if (!skb)
3121  		return -ENOMEM;
3122  
3123  	cmd = (struct wmi_set_rts_cmd *) skb->data;
3124  	cmd->threshold = cpu_to_le16(threshold);
3125  
3126  	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
3127  				  NO_SYNC_WMIFLAG);
3128  	return ret;
3129  }
3130  
ath6kl_wmi_set_wmm_txop(struct wmi * wmi,u8 if_idx,enum wmi_txop_cfg cfg)3131  int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
3132  {
3133  	struct sk_buff *skb;
3134  	struct wmi_set_wmm_txop_cmd *cmd;
3135  	int ret;
3136  
3137  	if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
3138  		return -EINVAL;
3139  
3140  	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
3141  	if (!skb)
3142  		return -ENOMEM;
3143  
3144  	cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
3145  	cmd->txop_enable = cfg;
3146  
3147  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
3148  				  NO_SYNC_WMIFLAG);
3149  	return ret;
3150  }
3151  
ath6kl_wmi_set_keepalive_cmd(struct wmi * wmi,u8 if_idx,u8 keep_alive_intvl)3152  int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3153  				 u8 keep_alive_intvl)
3154  {
3155  	struct sk_buff *skb;
3156  	struct wmi_set_keepalive_cmd *cmd;
3157  	int ret;
3158  
3159  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3160  	if (!skb)
3161  		return -ENOMEM;
3162  
3163  	cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3164  	cmd->keep_alive_intvl = keep_alive_intvl;
3165  
3166  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
3167  				  NO_SYNC_WMIFLAG);
3168  
3169  	if (ret == 0)
3170  		ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
3171  
3172  	return ret;
3173  }
3174  
ath6kl_wmi_set_htcap_cmd(struct wmi * wmi,u8 if_idx,enum nl80211_band band,struct ath6kl_htcap * htcap)3175  int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3176  			     enum nl80211_band band,
3177  			     struct ath6kl_htcap *htcap)
3178  {
3179  	struct sk_buff *skb;
3180  	struct wmi_set_htcap_cmd *cmd;
3181  
3182  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3183  	if (!skb)
3184  		return -ENOMEM;
3185  
3186  	cmd = (struct wmi_set_htcap_cmd *) skb->data;
3187  
3188  	/*
3189  	 * NOTE: Band in firmware matches enum nl80211_band, it is unlikely
3190  	 * this will be changed in firmware. If at all there is any change in
3191  	 * band value, the host needs to be fixed.
3192  	 */
3193  	cmd->band = band;
3194  	cmd->ht_enable = !!htcap->ht_enable;
3195  	cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3196  	cmd->ht40_supported =
3197  		!!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3198  	cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3199  	cmd->intolerant_40mhz =
3200  		!!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3201  	cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3202  
3203  	ath6kl_dbg(ATH6KL_DBG_WMI,
3204  		   "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3205  		   cmd->band, cmd->ht_enable, cmd->ht40_supported,
3206  		   cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3207  		   cmd->max_ampdu_len_exp);
3208  	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
3209  				   NO_SYNC_WMIFLAG);
3210  }
3211  
ath6kl_wmi_test_cmd(struct wmi * wmi,void * buf,size_t len)3212  int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3213  {
3214  	struct sk_buff *skb;
3215  	int ret;
3216  
3217  	skb = ath6kl_wmi_get_new_buf(len);
3218  	if (!skb)
3219  		return -ENOMEM;
3220  
3221  	memcpy(skb->data, buf, len);
3222  
3223  	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
3224  
3225  	return ret;
3226  }
3227  
ath6kl_wmi_mcast_filter_cmd(struct wmi * wmi,u8 if_idx,bool mc_all_on)3228  int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3229  {
3230  	struct sk_buff *skb;
3231  	struct wmi_mcast_filter_cmd *cmd;
3232  	int ret;
3233  
3234  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3235  	if (!skb)
3236  		return -ENOMEM;
3237  
3238  	cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3239  	cmd->mcast_all_enable = mc_all_on;
3240  
3241  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
3242  				  NO_SYNC_WMIFLAG);
3243  	return ret;
3244  }
3245  
ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi * wmi,u8 if_idx,u8 * filter,bool add_filter)3246  int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3247  					u8 *filter, bool add_filter)
3248  {
3249  	struct sk_buff *skb;
3250  	struct wmi_mcast_filter_add_del_cmd *cmd;
3251  	int ret;
3252  
3253  	if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3254  	    (filter[0] != 0x01 || filter[1] != 0x00 ||
3255  	    filter[2] != 0x5e || filter[3] > 0x7f)) {
3256  		ath6kl_warn("invalid multicast filter address\n");
3257  		return -EINVAL;
3258  	}
3259  
3260  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3261  	if (!skb)
3262  		return -ENOMEM;
3263  
3264  	cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3265  	memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3266  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3267  				  add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3268  				  WMI_DEL_MCAST_FILTER_CMDID,
3269  				  NO_SYNC_WMIFLAG);
3270  
3271  	return ret;
3272  }
3273  
ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi * wmi,u8 if_idx,bool enhance)3274  int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3275  {
3276  	struct sk_buff *skb;
3277  	struct wmi_sta_bmiss_enhance_cmd *cmd;
3278  	int ret;
3279  
3280  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3281  	if (!skb)
3282  		return -ENOMEM;
3283  
3284  	cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data;
3285  	cmd->enable = enhance ? 1 : 0;
3286  
3287  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3288  				  WMI_STA_BMISS_ENHANCE_CMDID,
3289  				  NO_SYNC_WMIFLAG);
3290  	return ret;
3291  }
3292  
ath6kl_wmi_set_regdomain_cmd(struct wmi * wmi,const char * alpha2)3293  int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
3294  {
3295  	struct sk_buff *skb;
3296  	struct wmi_set_regdomain_cmd *cmd;
3297  
3298  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3299  	if (!skb)
3300  		return -ENOMEM;
3301  
3302  	cmd = (struct wmi_set_regdomain_cmd *) skb->data;
3303  	memcpy(cmd->iso_name, alpha2, 2);
3304  
3305  	return ath6kl_wmi_cmd_send(wmi, 0, skb,
3306  				   WMI_SET_REGDOMAIN_CMDID,
3307  				   NO_SYNC_WMIFLAG);
3308  }
3309  
ath6kl_wmi_get_rate(struct wmi * wmi,s8 rate_index)3310  s32 ath6kl_wmi_get_rate(struct wmi *wmi, s8 rate_index)
3311  {
3312  	struct ath6kl *ar = wmi->parent_dev;
3313  	u8 sgi = 0;
3314  	s32 ret;
3315  
3316  	if (rate_index == RATE_AUTO)
3317  		return 0;
3318  
3319  	/* SGI is stored as the MSB of the rate_index */
3320  	if (rate_index & RATE_INDEX_MSB) {
3321  		rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;
3322  		sgi = 1;
3323  	}
3324  
3325  	if (test_bit(ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,
3326  		     ar->fw_capabilities)) {
3327  		if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl_mcs15)))
3328  			return 0;
3329  
3330  		ret = wmi_rate_tbl_mcs15[(u32) rate_index][sgi];
3331  	} else {
3332  		if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl)))
3333  			return 0;
3334  
3335  		ret = wmi_rate_tbl[(u32) rate_index][sgi];
3336  	}
3337  
3338  	return ret;
3339  }
3340  
ath6kl_wmi_get_pmkid_list_event_rx(struct wmi * wmi,u8 * datap,u32 len)3341  static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3342  					      u32 len)
3343  {
3344  	struct wmi_pmkid_list_reply *reply;
3345  	u32 expected_len;
3346  
3347  	if (len < sizeof(struct wmi_pmkid_list_reply))
3348  		return -EINVAL;
3349  
3350  	reply = (struct wmi_pmkid_list_reply *)datap;
3351  	expected_len = sizeof(reply->num_pmkid) +
3352  		le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3353  
3354  	if (len < expected_len)
3355  		return -EINVAL;
3356  
3357  	return 0;
3358  }
3359  
ath6kl_wmi_addba_req_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)3360  static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3361  					 struct ath6kl_vif *vif)
3362  {
3363  	struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3364  
3365  	aggr_recv_addba_req_evt(vif, cmd->tid,
3366  				le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
3367  
3368  	return 0;
3369  }
3370  
ath6kl_wmi_delba_req_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)3371  static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3372  					 struct ath6kl_vif *vif)
3373  {
3374  	struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3375  
3376  	aggr_recv_delba_req_evt(vif, cmd->tid);
3377  
3378  	return 0;
3379  }
3380  
3381  /*  AP mode functions */
3382  
ath6kl_wmi_ap_profile_commit(struct wmi * wmip,u8 if_idx,struct wmi_connect_cmd * p)3383  int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3384  				 struct wmi_connect_cmd *p)
3385  {
3386  	struct sk_buff *skb;
3387  	struct wmi_connect_cmd *cm;
3388  	int res;
3389  
3390  	skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3391  	if (!skb)
3392  		return -ENOMEM;
3393  
3394  	cm = (struct wmi_connect_cmd *) skb->data;
3395  	memcpy(cm, p, sizeof(*cm));
3396  
3397  	res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3398  				  NO_SYNC_WMIFLAG);
3399  	ath6kl_dbg(ATH6KL_DBG_WMI,
3400  		   "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3401  		   __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3402  		   le32_to_cpu(p->ctrl_flags), res);
3403  	return res;
3404  }
3405  
ath6kl_wmi_ap_set_mlme(struct wmi * wmip,u8 if_idx,u8 cmd,const u8 * mac,u16 reason)3406  int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3407  			   u16 reason)
3408  {
3409  	struct sk_buff *skb;
3410  	struct wmi_ap_set_mlme_cmd *cm;
3411  
3412  	skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3413  	if (!skb)
3414  		return -ENOMEM;
3415  
3416  	cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3417  	memcpy(cm->mac, mac, ETH_ALEN);
3418  	cm->reason = cpu_to_le16(reason);
3419  	cm->cmd = cmd;
3420  
3421  	ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3422  		   cm->reason);
3423  
3424  	return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3425  				   NO_SYNC_WMIFLAG);
3426  }
3427  
ath6kl_wmi_ap_hidden_ssid(struct wmi * wmi,u8 if_idx,bool enable)3428  int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3429  {
3430  	struct sk_buff *skb;
3431  	struct wmi_ap_hidden_ssid_cmd *cmd;
3432  
3433  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3434  	if (!skb)
3435  		return -ENOMEM;
3436  
3437  	cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3438  	cmd->hidden_ssid = enable ? 1 : 0;
3439  
3440  	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3441  				   NO_SYNC_WMIFLAG);
3442  }
3443  
3444  /* This command will be used to enable/disable AP uAPSD feature */
ath6kl_wmi_ap_set_apsd(struct wmi * wmi,u8 if_idx,u8 enable)3445  int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3446  {
3447  	struct wmi_ap_set_apsd_cmd *cmd;
3448  	struct sk_buff *skb;
3449  
3450  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3451  	if (!skb)
3452  		return -ENOMEM;
3453  
3454  	cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3455  	cmd->enable = enable;
3456  
3457  	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3458  				   NO_SYNC_WMIFLAG);
3459  }
3460  
ath6kl_wmi_set_apsd_bfrd_traf(struct wmi * wmi,u8 if_idx,u16 aid,u16 bitmap,u32 flags)3461  int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3462  					     u16 aid, u16 bitmap, u32 flags)
3463  {
3464  	struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3465  	struct sk_buff *skb;
3466  
3467  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3468  	if (!skb)
3469  		return -ENOMEM;
3470  
3471  	cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3472  	cmd->aid = cpu_to_le16(aid);
3473  	cmd->bitmap = cpu_to_le16(bitmap);
3474  	cmd->flags = cpu_to_le32(flags);
3475  
3476  	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3477  				   WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3478  				   NO_SYNC_WMIFLAG);
3479  }
3480  
ath6kl_wmi_pspoll_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)3481  static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3482  				      struct ath6kl_vif *vif)
3483  {
3484  	struct wmi_pspoll_event *ev;
3485  
3486  	if (len < sizeof(struct wmi_pspoll_event))
3487  		return -EINVAL;
3488  
3489  	ev = (struct wmi_pspoll_event *) datap;
3490  
3491  	ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3492  
3493  	return 0;
3494  }
3495  
ath6kl_wmi_dtimexpiry_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)3496  static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3497  					  struct ath6kl_vif *vif)
3498  {
3499  	ath6kl_dtimexpiry_event(vif);
3500  
3501  	return 0;
3502  }
3503  
ath6kl_wmi_set_pvb_cmd(struct wmi * wmi,u8 if_idx,u16 aid,bool flag)3504  int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3505  			   bool flag)
3506  {
3507  	struct sk_buff *skb;
3508  	struct wmi_ap_set_pvb_cmd *cmd;
3509  	int ret;
3510  
3511  	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3512  	if (!skb)
3513  		return -ENOMEM;
3514  
3515  	cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3516  	cmd->aid = cpu_to_le16(aid);
3517  	cmd->rsvd = cpu_to_le16(0);
3518  	cmd->flag = cpu_to_le32(flag);
3519  
3520  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3521  				  NO_SYNC_WMIFLAG);
3522  
3523  	return ret;
3524  }
3525  
ath6kl_wmi_set_rx_frame_format_cmd(struct wmi * wmi,u8 if_idx,u8 rx_meta_ver,bool rx_dot11_hdr,bool defrag_on_host)3526  int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3527  				       u8 rx_meta_ver,
3528  				       bool rx_dot11_hdr, bool defrag_on_host)
3529  {
3530  	struct sk_buff *skb;
3531  	struct wmi_rx_frame_format_cmd *cmd;
3532  	int ret;
3533  
3534  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3535  	if (!skb)
3536  		return -ENOMEM;
3537  
3538  	cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3539  	cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3540  	cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3541  	cmd->meta_ver = rx_meta_ver;
3542  
3543  	/* Delete the local aggr state, on host */
3544  	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3545  				  NO_SYNC_WMIFLAG);
3546  
3547  	return ret;
3548  }
3549  
ath6kl_wmi_set_appie_cmd(struct wmi * wmi,u8 if_idx,u8 mgmt_frm_type,const u8 * ie,u8 ie_len)3550  int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3551  			     const u8 *ie, u8 ie_len)
3552  {
3553  	struct sk_buff *skb;
3554  	struct wmi_set_appie_cmd *p;
3555  
3556  	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3557  	if (!skb)
3558  		return -ENOMEM;
3559  
3560  	ath6kl_dbg(ATH6KL_DBG_WMI,
3561  		   "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3562  		   mgmt_frm_type, ie_len);
3563  	p = (struct wmi_set_appie_cmd *) skb->data;
3564  	p->mgmt_frm_type = mgmt_frm_type;
3565  	p->ie_len = ie_len;
3566  
3567  	if (ie != NULL && ie_len > 0)
3568  		memcpy(p->ie_info, ie, ie_len);
3569  
3570  	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3571  				   NO_SYNC_WMIFLAG);
3572  }
3573  
ath6kl_wmi_set_ie_cmd(struct wmi * wmi,u8 if_idx,u8 ie_id,u8 ie_field,const u8 * ie_info,u8 ie_len)3574  int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3575  			  const u8 *ie_info, u8 ie_len)
3576  {
3577  	struct sk_buff *skb;
3578  	struct wmi_set_ie_cmd *p;
3579  
3580  	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3581  	if (!skb)
3582  		return -ENOMEM;
3583  
3584  	ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3585  		   ie_id, ie_field, ie_len);
3586  	p = (struct wmi_set_ie_cmd *) skb->data;
3587  	p->ie_id = ie_id;
3588  	p->ie_field = ie_field;
3589  	p->ie_len = ie_len;
3590  	if (ie_info && ie_len > 0)
3591  		memcpy(p->ie_info, ie_info, ie_len);
3592  
3593  	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,
3594  				   NO_SYNC_WMIFLAG);
3595  }
3596  
ath6kl_wmi_disable_11b_rates_cmd(struct wmi * wmi,bool disable)3597  int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3598  {
3599  	struct sk_buff *skb;
3600  	struct wmi_disable_11b_rates_cmd *cmd;
3601  
3602  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3603  	if (!skb)
3604  		return -ENOMEM;
3605  
3606  	ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3607  		   disable);
3608  	cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3609  	cmd->disable = disable ? 1 : 0;
3610  
3611  	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3612  				   NO_SYNC_WMIFLAG);
3613  }
3614  
ath6kl_wmi_remain_on_chnl_cmd(struct wmi * wmi,u8 if_idx,u32 freq,u32 dur)3615  int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3616  {
3617  	struct sk_buff *skb;
3618  	struct wmi_remain_on_chnl_cmd *p;
3619  
3620  	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3621  	if (!skb)
3622  		return -ENOMEM;
3623  
3624  	ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3625  		   freq, dur);
3626  	p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3627  	p->freq = cpu_to_le32(freq);
3628  	p->duration = cpu_to_le32(dur);
3629  	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3630  				   NO_SYNC_WMIFLAG);
3631  }
3632  
3633  /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3634   * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3635   * mgmt operations using station interface.
3636   */
ath6kl_wmi_send_action_cmd(struct wmi * wmi,u8 if_idx,u32 id,u32 freq,u32 wait,const u8 * data,u16 data_len)3637  static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3638  				      u32 freq, u32 wait, const u8 *data,
3639  				      u16 data_len)
3640  {
3641  	struct sk_buff *skb;
3642  	struct wmi_send_action_cmd *p;
3643  	u8 *buf;
3644  
3645  	if (wait)
3646  		return -EINVAL; /* Offload for wait not supported */
3647  
3648  	buf = kmalloc(data_len, GFP_KERNEL);
3649  	if (!buf)
3650  		return -ENOMEM;
3651  
3652  	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3653  	if (!skb) {
3654  		kfree(buf);
3655  		return -ENOMEM;
3656  	}
3657  
3658  	kfree(wmi->last_mgmt_tx_frame);
3659  	memcpy(buf, data, data_len);
3660  	wmi->last_mgmt_tx_frame = buf;
3661  	wmi->last_mgmt_tx_frame_len = data_len;
3662  
3663  	ath6kl_dbg(ATH6KL_DBG_WMI,
3664  		   "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3665  		   id, freq, wait, data_len);
3666  	p = (struct wmi_send_action_cmd *) skb->data;
3667  	p->id = cpu_to_le32(id);
3668  	p->freq = cpu_to_le32(freq);
3669  	p->wait = cpu_to_le32(wait);
3670  	p->len = cpu_to_le16(data_len);
3671  	memcpy(p->data, data, data_len);
3672  	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3673  				   NO_SYNC_WMIFLAG);
3674  }
3675  
__ath6kl_wmi_send_mgmt_cmd(struct wmi * wmi,u8 if_idx,u32 id,u32 freq,u32 wait,const u8 * data,u16 data_len,u32 no_cck)3676  static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3677  				      u32 freq, u32 wait, const u8 *data,
3678  				      u16 data_len, u32 no_cck)
3679  {
3680  	struct sk_buff *skb;
3681  	struct wmi_send_mgmt_cmd *p;
3682  	u8 *buf;
3683  
3684  	if (wait)
3685  		return -EINVAL; /* Offload for wait not supported */
3686  
3687  	buf = kmalloc(data_len, GFP_KERNEL);
3688  	if (!buf)
3689  		return -ENOMEM;
3690  
3691  	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3692  	if (!skb) {
3693  		kfree(buf);
3694  		return -ENOMEM;
3695  	}
3696  
3697  	kfree(wmi->last_mgmt_tx_frame);
3698  	memcpy(buf, data, data_len);
3699  	wmi->last_mgmt_tx_frame = buf;
3700  	wmi->last_mgmt_tx_frame_len = data_len;
3701  
3702  	ath6kl_dbg(ATH6KL_DBG_WMI,
3703  		   "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3704  		   id, freq, wait, data_len);
3705  	p = (struct wmi_send_mgmt_cmd *) skb->data;
3706  	p->id = cpu_to_le32(id);
3707  	p->freq = cpu_to_le32(freq);
3708  	p->wait = cpu_to_le32(wait);
3709  	p->no_cck = cpu_to_le32(no_cck);
3710  	p->len = cpu_to_le16(data_len);
3711  	memcpy(p->data, data, data_len);
3712  	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3713  				   NO_SYNC_WMIFLAG);
3714  }
3715  
ath6kl_wmi_send_mgmt_cmd(struct wmi * wmi,u8 if_idx,u32 id,u32 freq,u32 wait,const u8 * data,u16 data_len,u32 no_cck)3716  int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3717  				u32 wait, const u8 *data, u16 data_len,
3718  				u32 no_cck)
3719  {
3720  	int status;
3721  	struct ath6kl *ar = wmi->parent_dev;
3722  
3723  	if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3724  		     ar->fw_capabilities)) {
3725  		/*
3726  		 * If capable of doing P2P mgmt operations using
3727  		 * station interface, send additional information like
3728  		 * supported rates to advertise and xmit rates for
3729  		 * probe requests
3730  		 */
3731  		status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3732  						    wait, data, data_len,
3733  						    no_cck);
3734  	} else {
3735  		status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3736  						    wait, data, data_len);
3737  	}
3738  
3739  	return status;
3740  }
3741  
ath6kl_wmi_send_probe_response_cmd(struct wmi * wmi,u8 if_idx,u32 freq,const u8 * dst,const u8 * data,u16 data_len)3742  int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3743  				       const u8 *dst, const u8 *data,
3744  				       u16 data_len)
3745  {
3746  	struct sk_buff *skb;
3747  	struct wmi_p2p_probe_response_cmd *p;
3748  	size_t cmd_len = sizeof(*p) + data_len;
3749  
3750  	if (data_len == 0)
3751  		cmd_len++; /* work around target minimum length requirement */
3752  
3753  	skb = ath6kl_wmi_get_new_buf(cmd_len);
3754  	if (!skb)
3755  		return -ENOMEM;
3756  
3757  	ath6kl_dbg(ATH6KL_DBG_WMI,
3758  		   "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3759  		   freq, dst, data_len);
3760  	p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3761  	p->freq = cpu_to_le32(freq);
3762  	memcpy(p->destination_addr, dst, ETH_ALEN);
3763  	p->len = cpu_to_le16(data_len);
3764  	memcpy(p->data, data, data_len);
3765  	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3766  				   WMI_SEND_PROBE_RESPONSE_CMDID,
3767  				   NO_SYNC_WMIFLAG);
3768  }
3769  
ath6kl_wmi_probe_report_req_cmd(struct wmi * wmi,u8 if_idx,bool enable)3770  int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3771  {
3772  	struct sk_buff *skb;
3773  	struct wmi_probe_req_report_cmd *p;
3774  
3775  	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3776  	if (!skb)
3777  		return -ENOMEM;
3778  
3779  	ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3780  		   enable);
3781  	p = (struct wmi_probe_req_report_cmd *) skb->data;
3782  	p->enable = enable ? 1 : 0;
3783  	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3784  				   NO_SYNC_WMIFLAG);
3785  }
3786  
ath6kl_wmi_info_req_cmd(struct wmi * wmi,u8 if_idx,u32 info_req_flags)3787  int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3788  {
3789  	struct sk_buff *skb;
3790  	struct wmi_get_p2p_info *p;
3791  
3792  	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3793  	if (!skb)
3794  		return -ENOMEM;
3795  
3796  	ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3797  		   info_req_flags);
3798  	p = (struct wmi_get_p2p_info *) skb->data;
3799  	p->info_req_flags = cpu_to_le32(info_req_flags);
3800  	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3801  				   NO_SYNC_WMIFLAG);
3802  }
3803  
ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi * wmi,u8 if_idx)3804  int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3805  {
3806  	ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3807  	return ath6kl_wmi_simple_cmd(wmi, if_idx,
3808  				     WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3809  }
3810  
ath6kl_wmi_set_inact_period(struct wmi * wmi,u8 if_idx,int inact_timeout)3811  int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3812  {
3813  	struct sk_buff *skb;
3814  	struct wmi_set_inact_period_cmd *cmd;
3815  
3816  	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3817  	if (!skb)
3818  		return -ENOMEM;
3819  
3820  	cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3821  	cmd->inact_period = cpu_to_le32(inact_timeout);
3822  	cmd->num_null_func = 0;
3823  
3824  	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,
3825  				   NO_SYNC_WMIFLAG);
3826  }
3827  
ath6kl_wmi_hb_challenge_resp_event(struct wmi * wmi,u8 * datap,int len)3828  static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,
3829  					       int len)
3830  {
3831  	struct wmix_hb_challenge_resp_cmd *cmd;
3832  
3833  	if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
3834  		return;
3835  
3836  	cmd = (struct wmix_hb_challenge_resp_cmd *) datap;
3837  	ath6kl_recovery_hb_event(wmi->parent_dev,
3838  				 le32_to_cpu(cmd->cookie));
3839  }
3840  
ath6kl_wmi_control_rx_xtnd(struct wmi * wmi,struct sk_buff * skb)3841  static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3842  {
3843  	struct wmix_cmd_hdr *cmd;
3844  	u32 len;
3845  	u16 id;
3846  	u8 *datap;
3847  	int ret = 0;
3848  
3849  	if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3850  		ath6kl_err("bad packet 1\n");
3851  		return -EINVAL;
3852  	}
3853  
3854  	cmd = (struct wmix_cmd_hdr *) skb->data;
3855  	id = le32_to_cpu(cmd->cmd_id);
3856  
3857  	skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3858  
3859  	datap = skb->data;
3860  	len = skb->len;
3861  
3862  	switch (id) {
3863  	case WMIX_HB_CHALLENGE_RESP_EVENTID:
3864  		ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3865  		ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);
3866  		break;
3867  	case WMIX_DBGLOG_EVENTID:
3868  		ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3869  		ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3870  		break;
3871  	default:
3872  		ath6kl_warn("unknown cmd id 0x%x\n", id);
3873  		ret = -EINVAL;
3874  		break;
3875  	}
3876  
3877  	return ret;
3878  }
3879  
ath6kl_wmi_roam_tbl_event_rx(struct wmi * wmi,u8 * datap,int len)3880  static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3881  {
3882  	return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3883  }
3884  
3885  /* Process interface specific wmi events, caller would free the datap */
ath6kl_wmi_proc_events_vif(struct wmi * wmi,u16 if_idx,u16 cmd_id,u8 * datap,u32 len)3886  static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3887  					u8 *datap, u32 len)
3888  {
3889  	struct ath6kl_vif *vif;
3890  
3891  	vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3892  	if (!vif) {
3893  		ath6kl_dbg(ATH6KL_DBG_WMI,
3894  			   "Wmi event for unavailable vif, vif_index:%d\n",
3895  			    if_idx);
3896  		return -EINVAL;
3897  	}
3898  
3899  	switch (cmd_id) {
3900  	case WMI_CONNECT_EVENTID:
3901  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3902  		return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3903  	case WMI_DISCONNECT_EVENTID:
3904  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3905  		return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3906  	case WMI_TKIP_MICERR_EVENTID:
3907  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3908  		return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3909  	case WMI_BSSINFO_EVENTID:
3910  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3911  		return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3912  	case WMI_NEIGHBOR_REPORT_EVENTID:
3913  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3914  		return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3915  							   vif);
3916  	case WMI_SCAN_COMPLETE_EVENTID:
3917  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3918  		return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3919  	case WMI_REPORT_STATISTICS_EVENTID:
3920  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3921  		return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3922  	case WMI_CAC_EVENTID:
3923  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3924  		return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3925  	case WMI_PSPOLL_EVENTID:
3926  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3927  		return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3928  	case WMI_DTIMEXPIRY_EVENTID:
3929  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3930  		return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3931  	case WMI_ADDBA_REQ_EVENTID:
3932  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3933  		return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3934  	case WMI_DELBA_REQ_EVENTID:
3935  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3936  		return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3937  	case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3938  		ath6kl_dbg(ATH6KL_DBG_WMI,
3939  			   "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3940  		return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3941  	case WMI_REMAIN_ON_CHNL_EVENTID:
3942  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3943  		return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3944  	case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3945  		ath6kl_dbg(ATH6KL_DBG_WMI,
3946  			   "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3947  		return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3948  								 len, vif);
3949  	case WMI_TX_STATUS_EVENTID:
3950  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3951  		return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3952  	case WMI_RX_PROBE_REQ_EVENTID:
3953  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3954  		return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3955  	case WMI_RX_ACTION_EVENTID:
3956  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3957  		return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3958  	case WMI_TXE_NOTIFY_EVENTID:
3959  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");
3960  		return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
3961  	default:
3962  		ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3963  		return -EINVAL;
3964  	}
3965  
3966  	return 0;
3967  }
3968  
ath6kl_wmi_proc_events(struct wmi * wmi,struct sk_buff * skb)3969  static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3970  {
3971  	struct wmi_cmd_hdr *cmd;
3972  	int ret = 0;
3973  	u32 len;
3974  	u16 id;
3975  	u8 if_idx;
3976  	u8 *datap;
3977  
3978  	cmd = (struct wmi_cmd_hdr *) skb->data;
3979  	id = le16_to_cpu(cmd->cmd_id);
3980  	if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3981  
3982  	skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3983  	datap = skb->data;
3984  	len = skb->len;
3985  
3986  	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3987  	ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3988  			datap, len);
3989  
3990  	switch (id) {
3991  	case WMI_GET_BITRATE_CMDID:
3992  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3993  		ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3994  		break;
3995  	case WMI_GET_CHANNEL_LIST_CMDID:
3996  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3997  		ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3998  		break;
3999  	case WMI_GET_TX_PWR_CMDID:
4000  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
4001  		ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
4002  		break;
4003  	case WMI_READY_EVENTID:
4004  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
4005  		ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
4006  		break;
4007  	case WMI_PEER_NODE_EVENTID:
4008  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
4009  		ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
4010  		break;
4011  	case WMI_REGDOMAIN_EVENTID:
4012  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
4013  		ath6kl_wmi_regdomain_event(wmi, datap, len);
4014  		break;
4015  	case WMI_PSTREAM_TIMEOUT_EVENTID:
4016  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
4017  		ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
4018  		break;
4019  	case WMI_CMDERROR_EVENTID:
4020  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
4021  		ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
4022  		break;
4023  	case WMI_RSSI_THRESHOLD_EVENTID:
4024  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
4025  		ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
4026  		break;
4027  	case WMI_ERROR_REPORT_EVENTID:
4028  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
4029  		break;
4030  	case WMI_OPT_RX_FRAME_EVENTID:
4031  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
4032  		/* this event has been deprecated */
4033  		break;
4034  	case WMI_REPORT_ROAM_TBL_EVENTID:
4035  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
4036  		ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
4037  		break;
4038  	case WMI_EXTENSION_EVENTID:
4039  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
4040  		ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
4041  		break;
4042  	case WMI_CHANNEL_CHANGE_EVENTID:
4043  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
4044  		break;
4045  	case WMI_REPORT_ROAM_DATA_EVENTID:
4046  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
4047  		break;
4048  	case WMI_TEST_EVENTID:
4049  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
4050  		ret = ath6kl_wmi_test_rx(wmi, datap, len);
4051  		break;
4052  	case WMI_GET_FIXRATES_CMDID:
4053  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
4054  		ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
4055  		break;
4056  	case WMI_TX_RETRY_ERR_EVENTID:
4057  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
4058  		break;
4059  	case WMI_SNR_THRESHOLD_EVENTID:
4060  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
4061  		ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
4062  		break;
4063  	case WMI_LQ_THRESHOLD_EVENTID:
4064  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
4065  		break;
4066  	case WMI_APLIST_EVENTID:
4067  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
4068  		ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
4069  		break;
4070  	case WMI_GET_KEEPALIVE_CMDID:
4071  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
4072  		ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
4073  		break;
4074  	case WMI_GET_WOW_LIST_EVENTID:
4075  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
4076  		break;
4077  	case WMI_GET_PMKID_LIST_EVENTID:
4078  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
4079  		ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
4080  		break;
4081  	case WMI_SET_PARAMS_REPLY_EVENTID:
4082  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
4083  		break;
4084  	case WMI_ADDBA_RESP_EVENTID:
4085  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
4086  		break;
4087  	case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
4088  		ath6kl_dbg(ATH6KL_DBG_WMI,
4089  			   "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
4090  		break;
4091  	case WMI_REPORT_BTCOEX_STATS_EVENTID:
4092  		ath6kl_dbg(ATH6KL_DBG_WMI,
4093  			   "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
4094  		break;
4095  	case WMI_TX_COMPLETE_EVENTID:
4096  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
4097  		ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
4098  		break;
4099  	case WMI_P2P_CAPABILITIES_EVENTID:
4100  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
4101  		ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
4102  		break;
4103  	case WMI_P2P_INFO_EVENTID:
4104  		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
4105  		ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
4106  		break;
4107  	default:
4108  		/* may be the event is interface specific */
4109  		ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
4110  		break;
4111  	}
4112  
4113  	dev_kfree_skb(skb);
4114  	return ret;
4115  }
4116  
4117  /* Control Path */
ath6kl_wmi_control_rx(struct wmi * wmi,struct sk_buff * skb)4118  int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
4119  {
4120  	if (WARN_ON(skb == NULL))
4121  		return -EINVAL;
4122  
4123  	if (skb->len < sizeof(struct wmi_cmd_hdr)) {
4124  		ath6kl_err("bad packet 1\n");
4125  		dev_kfree_skb(skb);
4126  		return -EINVAL;
4127  	}
4128  
4129  	trace_ath6kl_wmi_event(skb->data, skb->len);
4130  
4131  	return ath6kl_wmi_proc_events(wmi, skb);
4132  }
4133  
ath6kl_wmi_reset(struct wmi * wmi)4134  void ath6kl_wmi_reset(struct wmi *wmi)
4135  {
4136  	spin_lock_bh(&wmi->lock);
4137  
4138  	wmi->fat_pipe_exist = 0;
4139  	memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
4140  
4141  	spin_unlock_bh(&wmi->lock);
4142  }
4143  
ath6kl_wmi_init(struct ath6kl * dev)4144  void *ath6kl_wmi_init(struct ath6kl *dev)
4145  {
4146  	struct wmi *wmi;
4147  
4148  	wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
4149  	if (!wmi)
4150  		return NULL;
4151  
4152  	spin_lock_init(&wmi->lock);
4153  
4154  	wmi->parent_dev = dev;
4155  
4156  	wmi->pwr_mode = REC_POWER;
4157  
4158  	ath6kl_wmi_reset(wmi);
4159  
4160  	return wmi;
4161  }
4162  
ath6kl_wmi_shutdown(struct wmi * wmi)4163  void ath6kl_wmi_shutdown(struct wmi *wmi)
4164  {
4165  	if (!wmi)
4166  		return;
4167  
4168  	kfree(wmi->last_mgmt_tx_frame);
4169  	kfree(wmi);
4170  }
4171