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(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
181		  HEX);
182IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
183		  HEX);
184IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
185		  rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
186IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
187		  rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
188
189IEEE80211_IF_FILE(flags, flags, HEX);
190IEEE80211_IF_FILE(state, state, LHEX);
191IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
192IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
193IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
194
195static ssize_t
196ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
197			   char *buf, int buflen)
198{
199	int len;
200
201	len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
202			sdata->vif.hw_queue[IEEE80211_AC_VO],
203			sdata->vif.hw_queue[IEEE80211_AC_VI],
204			sdata->vif.hw_queue[IEEE80211_AC_BE],
205			sdata->vif.hw_queue[IEEE80211_AC_BK]);
206
207	if (sdata->vif.type == NL80211_IFTYPE_AP)
208		len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
209				 sdata->vif.cab_queue);
210
211	return len;
212}
213IEEE80211_IF_FILE_R(hw_queues);
214
215/* STA attributes */
216IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
217IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
218IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
219IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
220IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
221
222static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
223			      enum ieee80211_smps_mode smps_mode)
224{
225	struct ieee80211_local *local = sdata->local;
226	int err;
227
228	if (!(local->hw.wiphy->features & NL80211_FEATURE_STATIC_SMPS) &&
229	    smps_mode == IEEE80211_SMPS_STATIC)
230		return -EINVAL;
231
232	/* auto should be dynamic if in PS mode */
233	if (!(local->hw.wiphy->features & NL80211_FEATURE_DYNAMIC_SMPS) &&
234	    (smps_mode == IEEE80211_SMPS_DYNAMIC ||
235	     smps_mode == IEEE80211_SMPS_AUTOMATIC))
236		return -EINVAL;
237
238	if (sdata->vif.type != NL80211_IFTYPE_STATION &&
239	    sdata->vif.type != NL80211_IFTYPE_AP)
240		return -EOPNOTSUPP;
241
242	sdata_lock(sdata);
243	if (sdata->vif.type == NL80211_IFTYPE_STATION)
244		err = __ieee80211_request_smps_mgd(sdata, smps_mode);
245	else
246		err = __ieee80211_request_smps_ap(sdata, smps_mode);
247	sdata_unlock(sdata);
248
249	return err;
250}
251
252static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
253	[IEEE80211_SMPS_AUTOMATIC] = "auto",
254	[IEEE80211_SMPS_OFF] = "off",
255	[IEEE80211_SMPS_STATIC] = "static",
256	[IEEE80211_SMPS_DYNAMIC] = "dynamic",
257};
258
259static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
260				     char *buf, int buflen)
261{
262	if (sdata->vif.type == NL80211_IFTYPE_STATION)
263		return snprintf(buf, buflen, "request: %s\nused: %s\n",
264				smps_modes[sdata->u.mgd.req_smps],
265				smps_modes[sdata->smps_mode]);
266	if (sdata->vif.type == NL80211_IFTYPE_AP)
267		return snprintf(buf, buflen, "request: %s\nused: %s\n",
268				smps_modes[sdata->u.ap.req_smps],
269				smps_modes[sdata->smps_mode]);
270	return -EINVAL;
271}
272
273static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
274				       const char *buf, int buflen)
275{
276	enum ieee80211_smps_mode mode;
277
278	for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
279		if (strncmp(buf, smps_modes[mode], buflen) == 0) {
280			int err = ieee80211_set_smps(sdata, mode);
281			if (!err)
282				return buflen;
283			return err;
284		}
285	}
286
287	return -EINVAL;
288}
289IEEE80211_IF_FILE_RW(smps);
290
291static ssize_t ieee80211_if_parse_tkip_mic_test(
292	struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
293{
294	struct ieee80211_local *local = sdata->local;
295	u8 addr[ETH_ALEN];
296	struct sk_buff *skb;
297	struct ieee80211_hdr *hdr;
298	__le16 fc;
299
300	if (!mac_pton(buf, addr))
301		return -EINVAL;
302
303	if (!ieee80211_sdata_running(sdata))
304		return -ENOTCONN;
305
306	skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
307	if (!skb)
308		return -ENOMEM;
309	skb_reserve(skb, local->hw.extra_tx_headroom);
310
311	hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
312	memset(hdr, 0, 24);
313	fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
314
315	switch (sdata->vif.type) {
316	case NL80211_IFTYPE_AP:
317		fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
318		/* DA BSSID SA */
319		memcpy(hdr->addr1, addr, ETH_ALEN);
320		memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
321		memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
322		break;
323	case NL80211_IFTYPE_STATION:
324		fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
325		/* BSSID SA DA */
326		sdata_lock(sdata);
327		if (!sdata->u.mgd.associated) {
328			sdata_unlock(sdata);
329			dev_kfree_skb(skb);
330			return -ENOTCONN;
331		}
332		memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
333		memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
334		memcpy(hdr->addr3, addr, ETH_ALEN);
335		sdata_unlock(sdata);
336		break;
337	default:
338		dev_kfree_skb(skb);
339		return -EOPNOTSUPP;
340	}
341	hdr->frame_control = fc;
342
343	/*
344	 * Add some length to the test frame to make it look bit more valid.
345	 * The exact contents does not matter since the recipient is required
346	 * to drop this because of the Michael MIC failure.
347	 */
348	memset(skb_put(skb, 50), 0, 50);
349
350	IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
351
352	ieee80211_tx_skb(sdata, skb);
353
354	return buflen;
355}
356IEEE80211_IF_FILE_W(tkip_mic_test);
357
358static ssize_t ieee80211_if_parse_beacon_loss(
359	struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
360{
361	if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc)
362		return -ENOTCONN;
363
364	ieee80211_beacon_loss(&sdata->vif);
365
366	return buflen;
367}
368IEEE80211_IF_FILE_W(beacon_loss);
369
370static ssize_t ieee80211_if_fmt_uapsd_queues(
371	const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
372{
373	const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
374
375	return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
376}
377
378static ssize_t ieee80211_if_parse_uapsd_queues(
379	struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
380{
381	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
382	u8 val;
383	int ret;
384
385	ret = kstrtou8(buf, 0, &val);
386	if (ret)
387		return ret;
388
389	if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
390		return -ERANGE;
391
392	ifmgd->uapsd_queues = val;
393
394	return buflen;
395}
396IEEE80211_IF_FILE_RW(uapsd_queues);
397
398static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
399	const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
400{
401	const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
402
403	return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
404}
405
406static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
407	struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
408{
409	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
410	unsigned long val;
411	int ret;
412
413	ret = kstrtoul(buf, 0, &val);
414	if (ret)
415		return -EINVAL;
416
417	if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
418		return -ERANGE;
419
420	ifmgd->uapsd_max_sp_len = val;
421
422	return buflen;
423}
424IEEE80211_IF_FILE_RW(uapsd_max_sp_len);
425
426/* AP attributes */
427IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
428IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
429IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
430
431static ssize_t ieee80211_if_fmt_num_buffered_multicast(
432	const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
433{
434	return scnprintf(buf, buflen, "%u\n",
435			 skb_queue_len(&sdata->u.ap.ps.bc_buf));
436}
437IEEE80211_IF_FILE_R(num_buffered_multicast);
438
439/* IBSS attributes */
440static ssize_t ieee80211_if_fmt_tsf(
441	const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
442{
443	struct ieee80211_local *local = sdata->local;
444	u64 tsf;
445
446	tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
447
448	return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
449}
450
451static ssize_t ieee80211_if_parse_tsf(
452	struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
453{
454	struct ieee80211_local *local = sdata->local;
455	unsigned long long tsf;
456	int ret;
457	int tsf_is_delta = 0;
458
459	if (strncmp(buf, "reset", 5) == 0) {
460		if (local->ops->reset_tsf) {
461			drv_reset_tsf(local, sdata);
462			wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
463		}
464	} else {
465		if (buflen > 10 && buf[1] == '=') {
466			if (buf[0] == '+')
467				tsf_is_delta = 1;
468			else if (buf[0] == '-')
469				tsf_is_delta = -1;
470			else
471				return -EINVAL;
472			buf += 2;
473		}
474		ret = kstrtoull(buf, 10, &tsf);
475		if (ret < 0)
476			return ret;
477		if (tsf_is_delta)
478			tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
479		if (local->ops->set_tsf) {
480			drv_set_tsf(local, sdata, tsf);
481			wiphy_info(local->hw.wiphy,
482				   "debugfs set TSF to %#018llx\n", tsf);
483		}
484	}
485
486	ieee80211_recalc_dtim(local, sdata);
487	return buflen;
488}
489IEEE80211_IF_FILE_RW(tsf);
490
491
492/* WDS attributes */
493IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
494
495#ifdef CONFIG_MAC80211_MESH
496IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
497
498/* Mesh stats attributes */
499IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
500IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
501IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
502IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
503IEEE80211_IF_FILE(dropped_frames_congestion,
504		  u.mesh.mshstats.dropped_frames_congestion, DEC);
505IEEE80211_IF_FILE(dropped_frames_no_route,
506		  u.mesh.mshstats.dropped_frames_no_route, DEC);
507
508/* Mesh parameters */
509IEEE80211_IF_FILE(dot11MeshMaxRetries,
510		  u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
511IEEE80211_IF_FILE(dot11MeshRetryTimeout,
512		  u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
513IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
514		  u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
515IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
516		  u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
517IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
518IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
519IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
520IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
521		  u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
522IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
523		  u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
524IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
525		  u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
526IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
527		  u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
528IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
529		  u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
530IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
531		  u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
532IEEE80211_IF_FILE(path_refresh_time,
533		  u.mesh.mshcfg.path_refresh_time, DEC);
534IEEE80211_IF_FILE(min_discovery_timeout,
535		  u.mesh.mshcfg.min_discovery_timeout, DEC);
536IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
537		  u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
538IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
539		  u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
540IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
541		  u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
542IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
543IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
544IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
545IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
546		  u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
547IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
548		  u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
549IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
550		  u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
551IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
552IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
553		  u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
554#endif
555
556#define DEBUGFS_ADD_MODE(name, mode) \
557	debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
558			    sdata, &name##_ops);
559
560#define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
561
562static void add_common_files(struct ieee80211_sub_if_data *sdata)
563{
564	DEBUGFS_ADD(rc_rateidx_mask_2ghz);
565	DEBUGFS_ADD(rc_rateidx_mask_5ghz);
566	DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
567	DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
568	DEBUGFS_ADD(hw_queues);
569}
570
571static void add_sta_files(struct ieee80211_sub_if_data *sdata)
572{
573	DEBUGFS_ADD(bssid);
574	DEBUGFS_ADD(aid);
575	DEBUGFS_ADD(last_beacon);
576	DEBUGFS_ADD(ave_beacon);
577	DEBUGFS_ADD(beacon_timeout);
578	DEBUGFS_ADD_MODE(smps, 0600);
579	DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
580	DEBUGFS_ADD_MODE(beacon_loss, 0200);
581	DEBUGFS_ADD_MODE(uapsd_queues, 0600);
582	DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
583}
584
585static void add_ap_files(struct ieee80211_sub_if_data *sdata)
586{
587	DEBUGFS_ADD(num_mcast_sta);
588	DEBUGFS_ADD_MODE(smps, 0600);
589	DEBUGFS_ADD(num_sta_ps);
590	DEBUGFS_ADD(dtim_count);
591	DEBUGFS_ADD(num_buffered_multicast);
592	DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
593}
594
595static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
596{
597	DEBUGFS_ADD_MODE(tsf, 0600);
598}
599
600static void add_wds_files(struct ieee80211_sub_if_data *sdata)
601{
602	DEBUGFS_ADD(peer);
603}
604
605#ifdef CONFIG_MAC80211_MESH
606
607static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
608{
609	DEBUGFS_ADD_MODE(tsf, 0600);
610	DEBUGFS_ADD_MODE(estab_plinks, 0400);
611}
612
613static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
614{
615	struct dentry *dir = debugfs_create_dir("mesh_stats",
616						sdata->vif.debugfs_dir);
617#define MESHSTATS_ADD(name)\
618	debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
619
620	MESHSTATS_ADD(fwded_mcast);
621	MESHSTATS_ADD(fwded_unicast);
622	MESHSTATS_ADD(fwded_frames);
623	MESHSTATS_ADD(dropped_frames_ttl);
624	MESHSTATS_ADD(dropped_frames_no_route);
625	MESHSTATS_ADD(dropped_frames_congestion);
626#undef MESHSTATS_ADD
627}
628
629static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
630{
631	struct dentry *dir = debugfs_create_dir("mesh_config",
632						sdata->vif.debugfs_dir);
633
634#define MESHPARAMS_ADD(name) \
635	debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
636
637	MESHPARAMS_ADD(dot11MeshMaxRetries);
638	MESHPARAMS_ADD(dot11MeshRetryTimeout);
639	MESHPARAMS_ADD(dot11MeshConfirmTimeout);
640	MESHPARAMS_ADD(dot11MeshHoldingTimeout);
641	MESHPARAMS_ADD(dot11MeshTTL);
642	MESHPARAMS_ADD(element_ttl);
643	MESHPARAMS_ADD(auto_open_plinks);
644	MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
645	MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
646	MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
647	MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
648	MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
649	MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
650	MESHPARAMS_ADD(path_refresh_time);
651	MESHPARAMS_ADD(min_discovery_timeout);
652	MESHPARAMS_ADD(dot11MeshHWMPRootMode);
653	MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
654	MESHPARAMS_ADD(dot11MeshForwarding);
655	MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
656	MESHPARAMS_ADD(rssi_threshold);
657	MESHPARAMS_ADD(ht_opmode);
658	MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
659	MESHPARAMS_ADD(dot11MeshHWMProotInterval);
660	MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
661	MESHPARAMS_ADD(power_mode);
662	MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
663#undef MESHPARAMS_ADD
664}
665#endif
666
667static void add_files(struct ieee80211_sub_if_data *sdata)
668{
669	if (!sdata->vif.debugfs_dir)
670		return;
671
672	DEBUGFS_ADD(flags);
673	DEBUGFS_ADD(state);
674	DEBUGFS_ADD(txpower);
675	DEBUGFS_ADD(user_power_level);
676	DEBUGFS_ADD(ap_power_level);
677
678	if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
679		add_common_files(sdata);
680
681	switch (sdata->vif.type) {
682	case NL80211_IFTYPE_MESH_POINT:
683#ifdef CONFIG_MAC80211_MESH
684		add_mesh_files(sdata);
685		add_mesh_stats(sdata);
686		add_mesh_config(sdata);
687#endif
688		break;
689	case NL80211_IFTYPE_STATION:
690		add_sta_files(sdata);
691		break;
692	case NL80211_IFTYPE_ADHOC:
693		add_ibss_files(sdata);
694		break;
695	case NL80211_IFTYPE_AP:
696		add_ap_files(sdata);
697		break;
698	case NL80211_IFTYPE_WDS:
699		add_wds_files(sdata);
700		break;
701	default:
702		break;
703	}
704}
705
706void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
707{
708	char buf[10+IFNAMSIZ];
709
710	sprintf(buf, "netdev:%s", sdata->name);
711	sdata->vif.debugfs_dir = debugfs_create_dir(buf,
712		sdata->local->hw.wiphy->debugfsdir);
713	if (sdata->vif.debugfs_dir)
714		sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
715			sdata->vif.debugfs_dir);
716	add_files(sdata);
717}
718
719void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
720{
721	if (!sdata->vif.debugfs_dir)
722		return;
723
724	debugfs_remove_recursive(sdata->vif.debugfs_dir);
725	sdata->vif.debugfs_dir = NULL;
726	sdata->debugfs.subdir_stations = NULL;
727}
728
729void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
730{
731	struct dentry *dir;
732	char buf[10 + IFNAMSIZ];
733
734	dir = sdata->vif.debugfs_dir;
735
736	if (!dir)
737		return;
738
739	sprintf(buf, "netdev:%s", sdata->name);
740	if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
741		sdata_err(sdata,
742			  "debugfs: failed to rename debugfs dir to %s\n",
743			  buf);
744}
745