1/*
2 * Copyright (c) 2006	Jiri Benc <jbenc@suse.cz>
3 * Copyright 2007	Johannes Berg <johannes@sipsolutions.net>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 */
9
10#include <linux/kernel.h>
11#include <linux/device.h>
12#include <linux/if.h>
13#include <linux/if_ether.h>
14#include <linux/interrupt.h>
15#include <linux/netdevice.h>
16#include <linux/rtnetlink.h>
17#include <linux/slab.h>
18#include <linux/notifier.h>
19#include <net/mac80211.h>
20#include <net/cfg80211.h>
21#include "ieee80211_i.h"
22#include "rate.h"
23#include "debugfs.h"
24#include "debugfs_netdev.h"
25#include "driver-ops.h"
26
27static ssize_t ieee80211_if_read(
28	struct ieee80211_sub_if_data *sdata,
29	char __user *userbuf,
30	size_t count, loff_t *ppos,
31	ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int))
32{
33	char buf[70];
34	ssize_t ret = -EINVAL;
35
36	read_lock(&dev_base_lock);
37	ret = (*format)(sdata, buf, sizeof(buf));
38	read_unlock(&dev_base_lock);
39
40	if (ret >= 0)
41		ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
42
43	return ret;
44}
45
46static ssize_t ieee80211_if_write(
47	struct ieee80211_sub_if_data *sdata,
48	const char __user *userbuf,
49	size_t count, loff_t *ppos,
50	ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int))
51{
52	char buf[64];
53	ssize_t ret;
54
55	if (count >= sizeof(buf))
56		return -E2BIG;
57
58	if (copy_from_user(buf, userbuf, count))
59		return -EFAULT;
60	buf[count] = '\0';
61
62	ret = -ENODEV;
63	rtnl_lock();
64	ret = (*write)(sdata, buf, count);
65	rtnl_unlock();
66
67	return ret;
68}
69
70#define IEEE80211_IF_FMT(name, field, format_string)			\
71static ssize_t ieee80211_if_fmt_##name(					\
72	const struct ieee80211_sub_if_data *sdata, char *buf,		\
73	int buflen)							\
74{									\
75	return scnprintf(buf, buflen, format_string, sdata->field);	\
76}
77#define IEEE80211_IF_FMT_DEC(name, field)				\
78		IEEE80211_IF_FMT(name, field, "%d\n")
79#define IEEE80211_IF_FMT_HEX(name, field)				\
80		IEEE80211_IF_FMT(name, field, "%#x\n")
81#define IEEE80211_IF_FMT_LHEX(name, field)				\
82		IEEE80211_IF_FMT(name, field, "%#lx\n")
83#define IEEE80211_IF_FMT_SIZE(name, field)				\
84		IEEE80211_IF_FMT(name, field, "%zd\n")
85
86#define IEEE80211_IF_FMT_HEXARRAY(name, field)				\
87static ssize_t ieee80211_if_fmt_##name(					\
88	const struct ieee80211_sub_if_data *sdata,			\
89	char *buf, int buflen)						\
90{									\
91	char *p = buf;							\
92	int i;								\
93	for (i = 0; i < sizeof(sdata->field); i++) {			\
94		p += scnprintf(p, buflen + buf - p, "%.2x ",		\
95				 sdata->field[i]);			\
96	}								\
97	p += scnprintf(p, buflen + buf - p, "\n");			\
98	return p - buf;							\
99}
100
101#define IEEE80211_IF_FMT_ATOMIC(name, field)				\
102static ssize_t ieee80211_if_fmt_##name(					\
103	const struct ieee80211_sub_if_data *sdata,			\
104	char *buf, int buflen)						\
105{									\
106	return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
107}
108
109#define IEEE80211_IF_FMT_MAC(name, field)				\
110static ssize_t ieee80211_if_fmt_##name(					\
111	const struct ieee80211_sub_if_data *sdata, char *buf,		\
112	int buflen)							\
113{									\
114	return scnprintf(buf, buflen, "%pM\n", sdata->field);		\
115}
116
117#define IEEE80211_IF_FMT_DEC_DIV_16(name, field)			\
118static ssize_t ieee80211_if_fmt_##name(					\
119	const struct ieee80211_sub_if_data *sdata,			\
120	char *buf, int buflen)						\
121{									\
122	return scnprintf(buf, buflen, "%d\n", sdata->field / 16);	\
123}
124
125#define IEEE80211_IF_FMT_JIFFIES_TO_MS(name, field)			\
126static ssize_t ieee80211_if_fmt_##name(					\
127	const struct ieee80211_sub_if_data *sdata,			\
128	char *buf, int buflen)						\
129{									\
130	return scnprintf(buf, buflen, "%d\n",				\
131			 jiffies_to_msecs(sdata->field));		\
132}
133
134#define _IEEE80211_IF_FILE_OPS(name, _read, _write)			\
135static const struct file_operations name##_ops = {			\
136	.read = (_read),						\
137	.write = (_write),						\
138	.open = simple_open,						\
139	.llseek = generic_file_llseek,					\
140}
141
142#define _IEEE80211_IF_FILE_R_FN(name)					\
143static ssize_t ieee80211_if_read_##name(struct file *file,		\
144					char __user *userbuf,		\
145					size_t count, loff_t *ppos)	\
146{									\
147	return ieee80211_if_read(file->private_data,			\
148				 userbuf, count, ppos,			\
149				 ieee80211_if_fmt_##name);		\
150}
151
152#define _IEEE80211_IF_FILE_W_FN(name)					\
153static ssize_t ieee80211_if_write_##name(struct file *file,		\
154					 const char __user *userbuf,	\
155					 size_t count, loff_t *ppos)	\
156{									\
157	return ieee80211_if_write(file->private_data, userbuf, count,	\
158				  ppos, ieee80211_if_parse_##name);	\
159}
160
161#define IEEE80211_IF_FILE_R(name)					\
162	_IEEE80211_IF_FILE_R_FN(name)					\
163	_IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, NULL)
164
165#define IEEE80211_IF_FILE_W(name)					\
166	_IEEE80211_IF_FILE_W_FN(name)					\
167	_IEEE80211_IF_FILE_OPS(name, NULL, ieee80211_if_write_##name)
168
169#define IEEE80211_IF_FILE_RW(name)					\
170	_IEEE80211_IF_FILE_R_FN(name)					\
171	_IEEE80211_IF_FILE_W_FN(name)					\
172	_IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name,		\
173			       ieee80211_if_write_##name)
174
175#define IEEE80211_IF_FILE(name, field, format)				\
176	IEEE80211_IF_FMT_##format(name, field)				\
177	IEEE80211_IF_FILE_R(name)
178
179/* common attributes */
180IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
181IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
182		  HEX);
183IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
184		  HEX);
185IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
186		  rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
187IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
188		  rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
189
190IEEE80211_IF_FILE(flags, flags, HEX);
191IEEE80211_IF_FILE(state, state, LHEX);
192IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
193IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
194IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
195
196static ssize_t
197ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
198			   char *buf, int buflen)
199{
200	int len;
201
202	len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
203			sdata->vif.hw_queue[IEEE80211_AC_VO],
204			sdata->vif.hw_queue[IEEE80211_AC_VI],
205			sdata->vif.hw_queue[IEEE80211_AC_BE],
206			sdata->vif.hw_queue[IEEE80211_AC_BK]);
207
208	if (sdata->vif.type == NL80211_IFTYPE_AP)
209		len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
210				 sdata->vif.cab_queue);
211
212	return len;
213}
214IEEE80211_IF_FILE_R(hw_queues);
215
216/* STA attributes */
217IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
218IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
219IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
220IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
221IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
222
223static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
224			      enum ieee80211_smps_mode smps_mode)
225{
226	struct ieee80211_local *local = sdata->local;
227	int err;
228
229	if (!(local->hw.wiphy->features & NL80211_FEATURE_STATIC_SMPS) &&
230	    smps_mode == IEEE80211_SMPS_STATIC)
231		return -EINVAL;
232
233	/* auto should be dynamic if in PS mode */
234	if (!(local->hw.wiphy->features & NL80211_FEATURE_DYNAMIC_SMPS) &&
235	    (smps_mode == IEEE80211_SMPS_DYNAMIC ||
236	     smps_mode == IEEE80211_SMPS_AUTOMATIC))
237		return -EINVAL;
238
239	if (sdata->vif.type != NL80211_IFTYPE_STATION &&
240	    sdata->vif.type != NL80211_IFTYPE_AP)
241		return -EOPNOTSUPP;
242
243	sdata_lock(sdata);
244	if (sdata->vif.type == NL80211_IFTYPE_STATION)
245		err = __ieee80211_request_smps_mgd(sdata, smps_mode);
246	else
247		err = __ieee80211_request_smps_ap(sdata, smps_mode);
248	sdata_unlock(sdata);
249
250	return err;
251}
252
253static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
254	[IEEE80211_SMPS_AUTOMATIC] = "auto",
255	[IEEE80211_SMPS_OFF] = "off",
256	[IEEE80211_SMPS_STATIC] = "static",
257	[IEEE80211_SMPS_DYNAMIC] = "dynamic",
258};
259
260static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
261				     char *buf, int buflen)
262{
263	if (sdata->vif.type == NL80211_IFTYPE_STATION)
264		return snprintf(buf, buflen, "request: %s\nused: %s\n",
265				smps_modes[sdata->u.mgd.req_smps],
266				smps_modes[sdata->smps_mode]);
267	if (sdata->vif.type == NL80211_IFTYPE_AP)
268		return snprintf(buf, buflen, "request: %s\nused: %s\n",
269				smps_modes[sdata->u.ap.req_smps],
270				smps_modes[sdata->smps_mode]);
271	return -EINVAL;
272}
273
274static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
275				       const char *buf, int buflen)
276{
277	enum ieee80211_smps_mode mode;
278
279	for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
280		if (strncmp(buf, smps_modes[mode], buflen) == 0) {
281			int err = ieee80211_set_smps(sdata, mode);
282			if (!err)
283				return buflen;
284			return err;
285		}
286	}
287
288	return -EINVAL;
289}
290IEEE80211_IF_FILE_RW(smps);
291
292static ssize_t ieee80211_if_parse_tkip_mic_test(
293	struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
294{
295	struct ieee80211_local *local = sdata->local;
296	u8 addr[ETH_ALEN];
297	struct sk_buff *skb;
298	struct ieee80211_hdr *hdr;
299	__le16 fc;
300
301	if (!mac_pton(buf, addr))
302		return -EINVAL;
303
304	if (!ieee80211_sdata_running(sdata))
305		return -ENOTCONN;
306
307	skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
308	if (!skb)
309		return -ENOMEM;
310	skb_reserve(skb, local->hw.extra_tx_headroom);
311
312	hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
313	memset(hdr, 0, 24);
314	fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
315
316	switch (sdata->vif.type) {
317	case NL80211_IFTYPE_AP:
318		fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
319		/* DA BSSID SA */
320		memcpy(hdr->addr1, addr, ETH_ALEN);
321		memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
322		memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
323		break;
324	case NL80211_IFTYPE_STATION:
325		fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
326		/* BSSID SA DA */
327		sdata_lock(sdata);
328		if (!sdata->u.mgd.associated) {
329			sdata_unlock(sdata);
330			dev_kfree_skb(skb);
331			return -ENOTCONN;
332		}
333		memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
334		memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
335		memcpy(hdr->addr3, addr, ETH_ALEN);
336		sdata_unlock(sdata);
337		break;
338	default:
339		dev_kfree_skb(skb);
340		return -EOPNOTSUPP;
341	}
342	hdr->frame_control = fc;
343
344	/*
345	 * Add some length to the test frame to make it look bit more valid.
346	 * The exact contents does not matter since the recipient is required
347	 * to drop this because of the Michael MIC failure.
348	 */
349	memset(skb_put(skb, 50), 0, 50);
350
351	IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
352
353	ieee80211_tx_skb(sdata, skb);
354
355	return buflen;
356}
357IEEE80211_IF_FILE_W(tkip_mic_test);
358
359static ssize_t ieee80211_if_parse_beacon_loss(
360	struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
361{
362	if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc)
363		return -ENOTCONN;
364
365	ieee80211_beacon_loss(&sdata->vif);
366
367	return buflen;
368}
369IEEE80211_IF_FILE_W(beacon_loss);
370
371static ssize_t ieee80211_if_fmt_uapsd_queues(
372	const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
373{
374	const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
375
376	return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
377}
378
379static ssize_t ieee80211_if_parse_uapsd_queues(
380	struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
381{
382	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
383	u8 val;
384	int ret;
385
386	ret = kstrtou8(buf, 0, &val);
387	if (ret)
388		return ret;
389
390	if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
391		return -ERANGE;
392
393	ifmgd->uapsd_queues = val;
394
395	return buflen;
396}
397IEEE80211_IF_FILE_RW(uapsd_queues);
398
399static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
400	const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
401{
402	const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
403
404	return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
405}
406
407static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
408	struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
409{
410	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
411	unsigned long val;
412	int ret;
413
414	ret = kstrtoul(buf, 0, &val);
415	if (ret)
416		return -EINVAL;
417
418	if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
419		return -ERANGE;
420
421	ifmgd->uapsd_max_sp_len = val;
422
423	return buflen;
424}
425IEEE80211_IF_FILE_RW(uapsd_max_sp_len);
426
427/* AP attributes */
428IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
429IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
430IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
431
432static ssize_t ieee80211_if_fmt_num_buffered_multicast(
433	const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
434{
435	return scnprintf(buf, buflen, "%u\n",
436			 skb_queue_len(&sdata->u.ap.ps.bc_buf));
437}
438IEEE80211_IF_FILE_R(num_buffered_multicast);
439
440/* IBSS attributes */
441static ssize_t ieee80211_if_fmt_tsf(
442	const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
443{
444	struct ieee80211_local *local = sdata->local;
445	u64 tsf;
446
447	tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
448
449	return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
450}
451
452static ssize_t ieee80211_if_parse_tsf(
453	struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
454{
455	struct ieee80211_local *local = sdata->local;
456	unsigned long long tsf;
457	int ret;
458	int tsf_is_delta = 0;
459
460	if (strncmp(buf, "reset", 5) == 0) {
461		if (local->ops->reset_tsf) {
462			drv_reset_tsf(local, sdata);
463			wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
464		}
465	} else {
466		if (buflen > 10 && buf[1] == '=') {
467			if (buf[0] == '+')
468				tsf_is_delta = 1;
469			else if (buf[0] == '-')
470				tsf_is_delta = -1;
471			else
472				return -EINVAL;
473			buf += 2;
474		}
475		ret = kstrtoull(buf, 10, &tsf);
476		if (ret < 0)
477			return ret;
478		if (tsf_is_delta)
479			tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
480		if (local->ops->set_tsf) {
481			drv_set_tsf(local, sdata, tsf);
482			wiphy_info(local->hw.wiphy,
483				   "debugfs set TSF to %#018llx\n", tsf);
484		}
485	}
486
487	ieee80211_recalc_dtim(local, sdata);
488	return buflen;
489}
490IEEE80211_IF_FILE_RW(tsf);
491
492
493/* WDS attributes */
494IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
495
496#ifdef CONFIG_MAC80211_MESH
497IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
498
499/* Mesh stats attributes */
500IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
501IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
502IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
503IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
504IEEE80211_IF_FILE(dropped_frames_congestion,
505		  u.mesh.mshstats.dropped_frames_congestion, DEC);
506IEEE80211_IF_FILE(dropped_frames_no_route,
507		  u.mesh.mshstats.dropped_frames_no_route, DEC);
508
509/* Mesh parameters */
510IEEE80211_IF_FILE(dot11MeshMaxRetries,
511		  u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
512IEEE80211_IF_FILE(dot11MeshRetryTimeout,
513		  u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
514IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
515		  u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
516IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
517		  u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
518IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
519IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
520IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
521IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
522		  u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
523IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
524		  u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
525IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
526		  u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
527IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
528		  u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
529IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
530		  u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
531IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
532		  u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
533IEEE80211_IF_FILE(path_refresh_time,
534		  u.mesh.mshcfg.path_refresh_time, DEC);
535IEEE80211_IF_FILE(min_discovery_timeout,
536		  u.mesh.mshcfg.min_discovery_timeout, DEC);
537IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
538		  u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
539IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
540		  u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
541IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
542		  u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
543IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
544IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
545IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
546IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
547		  u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
548IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
549		  u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
550IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
551		  u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
552IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
553IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
554		  u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
555#endif
556
557#define DEBUGFS_ADD_MODE(name, mode) \
558	debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
559			    sdata, &name##_ops);
560
561#define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
562
563static void add_common_files(struct ieee80211_sub_if_data *sdata)
564{
565	DEBUGFS_ADD(drop_unencrypted);
566	DEBUGFS_ADD(rc_rateidx_mask_2ghz);
567	DEBUGFS_ADD(rc_rateidx_mask_5ghz);
568	DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
569	DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
570	DEBUGFS_ADD(hw_queues);
571}
572
573static void add_sta_files(struct ieee80211_sub_if_data *sdata)
574{
575	DEBUGFS_ADD(bssid);
576	DEBUGFS_ADD(aid);
577	DEBUGFS_ADD(last_beacon);
578	DEBUGFS_ADD(ave_beacon);
579	DEBUGFS_ADD(beacon_timeout);
580	DEBUGFS_ADD_MODE(smps, 0600);
581	DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
582	DEBUGFS_ADD_MODE(beacon_loss, 0200);
583	DEBUGFS_ADD_MODE(uapsd_queues, 0600);
584	DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
585}
586
587static void add_ap_files(struct ieee80211_sub_if_data *sdata)
588{
589	DEBUGFS_ADD(num_mcast_sta);
590	DEBUGFS_ADD_MODE(smps, 0600);
591	DEBUGFS_ADD(num_sta_ps);
592	DEBUGFS_ADD(dtim_count);
593	DEBUGFS_ADD(num_buffered_multicast);
594	DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
595}
596
597static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
598{
599	DEBUGFS_ADD_MODE(tsf, 0600);
600}
601
602static void add_wds_files(struct ieee80211_sub_if_data *sdata)
603{
604	DEBUGFS_ADD(peer);
605}
606
607#ifdef CONFIG_MAC80211_MESH
608
609static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
610{
611	DEBUGFS_ADD_MODE(tsf, 0600);
612	DEBUGFS_ADD_MODE(estab_plinks, 0400);
613}
614
615static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
616{
617	struct dentry *dir = debugfs_create_dir("mesh_stats",
618						sdata->vif.debugfs_dir);
619#define MESHSTATS_ADD(name)\
620	debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
621
622	MESHSTATS_ADD(fwded_mcast);
623	MESHSTATS_ADD(fwded_unicast);
624	MESHSTATS_ADD(fwded_frames);
625	MESHSTATS_ADD(dropped_frames_ttl);
626	MESHSTATS_ADD(dropped_frames_no_route);
627	MESHSTATS_ADD(dropped_frames_congestion);
628#undef MESHSTATS_ADD
629}
630
631static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
632{
633	struct dentry *dir = debugfs_create_dir("mesh_config",
634						sdata->vif.debugfs_dir);
635
636#define MESHPARAMS_ADD(name) \
637	debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
638
639	MESHPARAMS_ADD(dot11MeshMaxRetries);
640	MESHPARAMS_ADD(dot11MeshRetryTimeout);
641	MESHPARAMS_ADD(dot11MeshConfirmTimeout);
642	MESHPARAMS_ADD(dot11MeshHoldingTimeout);
643	MESHPARAMS_ADD(dot11MeshTTL);
644	MESHPARAMS_ADD(element_ttl);
645	MESHPARAMS_ADD(auto_open_plinks);
646	MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
647	MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
648	MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
649	MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
650	MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
651	MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
652	MESHPARAMS_ADD(path_refresh_time);
653	MESHPARAMS_ADD(min_discovery_timeout);
654	MESHPARAMS_ADD(dot11MeshHWMPRootMode);
655	MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
656	MESHPARAMS_ADD(dot11MeshForwarding);
657	MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
658	MESHPARAMS_ADD(rssi_threshold);
659	MESHPARAMS_ADD(ht_opmode);
660	MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
661	MESHPARAMS_ADD(dot11MeshHWMProotInterval);
662	MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
663	MESHPARAMS_ADD(power_mode);
664	MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
665#undef MESHPARAMS_ADD
666}
667#endif
668
669static void add_files(struct ieee80211_sub_if_data *sdata)
670{
671	if (!sdata->vif.debugfs_dir)
672		return;
673
674	DEBUGFS_ADD(flags);
675	DEBUGFS_ADD(state);
676	DEBUGFS_ADD(txpower);
677	DEBUGFS_ADD(user_power_level);
678	DEBUGFS_ADD(ap_power_level);
679
680	if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
681		add_common_files(sdata);
682
683	switch (sdata->vif.type) {
684	case NL80211_IFTYPE_MESH_POINT:
685#ifdef CONFIG_MAC80211_MESH
686		add_mesh_files(sdata);
687		add_mesh_stats(sdata);
688		add_mesh_config(sdata);
689#endif
690		break;
691	case NL80211_IFTYPE_STATION:
692		add_sta_files(sdata);
693		break;
694	case NL80211_IFTYPE_ADHOC:
695		add_ibss_files(sdata);
696		break;
697	case NL80211_IFTYPE_AP:
698		add_ap_files(sdata);
699		break;
700	case NL80211_IFTYPE_WDS:
701		add_wds_files(sdata);
702		break;
703	default:
704		break;
705	}
706}
707
708void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
709{
710	char buf[10+IFNAMSIZ];
711
712	sprintf(buf, "netdev:%s", sdata->name);
713	sdata->vif.debugfs_dir = debugfs_create_dir(buf,
714		sdata->local->hw.wiphy->debugfsdir);
715	if (sdata->vif.debugfs_dir)
716		sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
717			sdata->vif.debugfs_dir);
718	add_files(sdata);
719}
720
721void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
722{
723	if (!sdata->vif.debugfs_dir)
724		return;
725
726	debugfs_remove_recursive(sdata->vif.debugfs_dir);
727	sdata->vif.debugfs_dir = NULL;
728}
729
730void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
731{
732	struct dentry *dir;
733	char buf[10 + IFNAMSIZ];
734
735	dir = sdata->vif.debugfs_dir;
736
737	if (!dir)
738		return;
739
740	sprintf(buf, "netdev:%s", sdata->name);
741	if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
742		sdata_err(sdata,
743			  "debugfs: failed to rename debugfs dir to %s\n",
744			  buf);
745}
746