blob: 9352819a986bb48847ae4ef9349ac2f2100ef3d1 [file] [log] [blame]
Jiri Bence9f207f2007-05-05 11:46:38 -07001/*
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/interrupt.h>
14#include <linux/netdevice.h>
15#include <linux/rtnetlink.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090016#include <linux/slab.h>
Jiri Bence9f207f2007-05-05 11:46:38 -070017#include <linux/notifier.h>
18#include <net/mac80211.h>
19#include <net/cfg80211.h>
20#include "ieee80211_i.h"
Johannes Berg2c8dccc2008-04-08 15:14:40 -040021#include "rate.h"
Jiri Bence9f207f2007-05-05 11:46:38 -070022#include "debugfs.h"
23#include "debugfs_netdev.h"
Eliad Peller37a41b42011-09-21 14:06:11 +030024#include "driver-ops.h"
Jiri Bence9f207f2007-05-05 11:46:38 -070025
26static ssize_t ieee80211_if_read(
27 struct ieee80211_sub_if_data *sdata,
28 char __user *userbuf,
29 size_t count, loff_t *ppos,
30 ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int))
31{
32 char buf[70];
33 ssize_t ret = -EINVAL;
34
35 read_lock(&dev_base_lock);
Luis Carlos Cobo73bb3e42008-03-31 15:10:22 -070036 if (sdata->dev->reg_state == NETREG_REGISTERED)
Jiri Bence9f207f2007-05-05 11:46:38 -070037 ret = (*format)(sdata, buf, sizeof(buf));
Jiri Bence9f207f2007-05-05 11:46:38 -070038 read_unlock(&dev_base_lock);
Luis Carlos Cobo73bb3e42008-03-31 15:10:22 -070039
Jouni Malinen681d1192011-02-03 18:35:19 +020040 if (ret >= 0)
Luis Carlos Cobo73bb3e42008-03-31 15:10:22 -070041 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
42
Jiri Bence9f207f2007-05-05 11:46:38 -070043 return ret;
44}
45
Johannes Berg0f782312009-12-01 13:37:02 +010046static 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 u8 *buf;
Eric Dumazet51f5f8c2010-03-10 17:13:36 +010053 ssize_t ret;
Johannes Berg0f782312009-12-01 13:37:02 +010054
Eric Dumazet51f5f8c2010-03-10 17:13:36 +010055 buf = kmalloc(count, GFP_KERNEL);
Johannes Berg0f782312009-12-01 13:37:02 +010056 if (!buf)
57 return -ENOMEM;
58
Eric Dumazet51f5f8c2010-03-10 17:13:36 +010059 ret = -EFAULT;
Johannes Berg0f782312009-12-01 13:37:02 +010060 if (copy_from_user(buf, userbuf, count))
Eric Dumazet51f5f8c2010-03-10 17:13:36 +010061 goto freebuf;
Johannes Berg0f782312009-12-01 13:37:02 +010062
Eric Dumazet51f5f8c2010-03-10 17:13:36 +010063 ret = -ENODEV;
Johannes Berg0f782312009-12-01 13:37:02 +010064 rtnl_lock();
65 if (sdata->dev->reg_state == NETREG_REGISTERED)
66 ret = (*write)(sdata, buf, count);
67 rtnl_unlock();
68
Eric Dumazet51f5f8c2010-03-10 17:13:36 +010069freebuf:
70 kfree(buf);
Johannes Berg0f782312009-12-01 13:37:02 +010071 return ret;
72}
73
Jiri Bence9f207f2007-05-05 11:46:38 -070074#define IEEE80211_IF_FMT(name, field, format_string) \
75static ssize_t ieee80211_if_fmt_##name( \
76 const struct ieee80211_sub_if_data *sdata, char *buf, \
77 int buflen) \
78{ \
79 return scnprintf(buf, buflen, format_string, sdata->field); \
80}
81#define IEEE80211_IF_FMT_DEC(name, field) \
82 IEEE80211_IF_FMT(name, field, "%d\n")
83#define IEEE80211_IF_FMT_HEX(name, field) \
84 IEEE80211_IF_FMT(name, field, "%#x\n")
Ben Greear4914b3b2011-01-27 22:09:34 -080085#define IEEE80211_IF_FMT_LHEX(name, field) \
86 IEEE80211_IF_FMT(name, field, "%#lx\n")
Jiri Bence9f207f2007-05-05 11:46:38 -070087#define IEEE80211_IF_FMT_SIZE(name, field) \
88 IEEE80211_IF_FMT(name, field, "%zd\n")
89
90#define IEEE80211_IF_FMT_ATOMIC(name, field) \
91static ssize_t ieee80211_if_fmt_##name( \
92 const struct ieee80211_sub_if_data *sdata, \
93 char *buf, int buflen) \
94{ \
95 return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
96}
97
98#define IEEE80211_IF_FMT_MAC(name, field) \
99static ssize_t ieee80211_if_fmt_##name( \
100 const struct ieee80211_sub_if_data *sdata, char *buf, \
101 int buflen) \
102{ \
Johannes Berg0c68ae262008-10-27 15:56:10 -0700103 return scnprintf(buf, buflen, "%pM\n", sdata->field); \
Jiri Bence9f207f2007-05-05 11:46:38 -0700104}
105
Jouni Malinen17e4ec12010-03-29 23:28:30 -0700106#define IEEE80211_IF_FMT_DEC_DIV_16(name, field) \
107static ssize_t ieee80211_if_fmt_##name( \
108 const struct ieee80211_sub_if_data *sdata, \
109 char *buf, int buflen) \
110{ \
111 return scnprintf(buf, buflen, "%d\n", sdata->field / 16); \
112}
113
Johannes Berg0f782312009-12-01 13:37:02 +0100114#define __IEEE80211_IF_FILE(name, _write) \
Jiri Bence9f207f2007-05-05 11:46:38 -0700115static ssize_t ieee80211_if_read_##name(struct file *file, \
116 char __user *userbuf, \
117 size_t count, loff_t *ppos) \
118{ \
119 return ieee80211_if_read(file->private_data, \
120 userbuf, count, ppos, \
121 ieee80211_if_fmt_##name); \
122} \
123static const struct file_operations name##_ops = { \
124 .read = ieee80211_if_read_##name, \
Johannes Berg0f782312009-12-01 13:37:02 +0100125 .write = (_write), \
Jiri Bence9f207f2007-05-05 11:46:38 -0700126 .open = mac80211_open_file_generic, \
Arnd Bergmann2b18ab32010-07-06 19:05:31 +0200127 .llseek = generic_file_llseek, \
Jiri Bence9f207f2007-05-05 11:46:38 -0700128}
129
Johannes Berg0f782312009-12-01 13:37:02 +0100130#define __IEEE80211_IF_FILE_W(name) \
131static ssize_t ieee80211_if_write_##name(struct file *file, \
132 const char __user *userbuf, \
133 size_t count, loff_t *ppos) \
134{ \
135 return ieee80211_if_write(file->private_data, userbuf, count, \
136 ppos, ieee80211_if_parse_##name); \
137} \
138__IEEE80211_IF_FILE(name, ieee80211_if_write_##name)
139
140
Jiri Bence9f207f2007-05-05 11:46:38 -0700141#define IEEE80211_IF_FILE(name, field, format) \
142 IEEE80211_IF_FMT_##format(name, field) \
Johannes Berg0f782312009-12-01 13:37:02 +0100143 __IEEE80211_IF_FILE(name, NULL)
Jiri Bence9f207f2007-05-05 11:46:38 -0700144
145/* common attributes */
Jiri Bence9f207f2007-05-05 11:46:38 -0700146IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
Jouni Malinen37eb0b12010-01-06 13:09:08 +0200147IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
148 HEX);
149IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
150 HEX);
Ben Greear4914b3b2011-01-27 22:09:34 -0800151IEEE80211_IF_FILE(flags, flags, HEX);
152IEEE80211_IF_FILE(state, state, LHEX);
Ben Greear0fa025f2011-01-28 17:05:42 -0800153IEEE80211_IF_FILE(channel_type, vif.bss_conf.channel_type, DEC);
Jiri Bence9f207f2007-05-05 11:46:38 -0700154
Johannes Berg46900292009-02-15 12:44:28 +0100155/* STA attributes */
Johannes Berg46900292009-02-15 12:44:28 +0100156IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
Johannes Berg46900292009-02-15 12:44:28 +0100157IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
Jouni Malinen17e4ec12010-03-29 23:28:30 -0700158IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
159IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
Jiri Bence9f207f2007-05-05 11:46:38 -0700160
Johannes Berg0f782312009-12-01 13:37:02 +0100161static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
162 enum ieee80211_smps_mode smps_mode)
163{
164 struct ieee80211_local *local = sdata->local;
165 int err;
166
167 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
168 smps_mode == IEEE80211_SMPS_STATIC)
169 return -EINVAL;
170
171 /* auto should be dynamic if in PS mode */
172 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
173 (smps_mode == IEEE80211_SMPS_DYNAMIC ||
174 smps_mode == IEEE80211_SMPS_AUTOMATIC))
175 return -EINVAL;
176
177 /* supported only on managed interfaces for now */
178 if (sdata->vif.type != NL80211_IFTYPE_STATION)
179 return -EOPNOTSUPP;
180
Johannes Berg243e6df2011-04-19 20:44:04 +0200181 mutex_lock(&sdata->u.mgd.mtx);
Johannes Berg0f782312009-12-01 13:37:02 +0100182 err = __ieee80211_request_smps(sdata, smps_mode);
Johannes Berg243e6df2011-04-19 20:44:04 +0200183 mutex_unlock(&sdata->u.mgd.mtx);
Johannes Berg0f782312009-12-01 13:37:02 +0100184
185 return err;
186}
187
188static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
189 [IEEE80211_SMPS_AUTOMATIC] = "auto",
190 [IEEE80211_SMPS_OFF] = "off",
191 [IEEE80211_SMPS_STATIC] = "static",
192 [IEEE80211_SMPS_DYNAMIC] = "dynamic",
193};
194
195static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
196 char *buf, int buflen)
197{
198 if (sdata->vif.type != NL80211_IFTYPE_STATION)
199 return -EOPNOTSUPP;
200
201 return snprintf(buf, buflen, "request: %s\nused: %s\n",
202 smps_modes[sdata->u.mgd.req_smps],
203 smps_modes[sdata->u.mgd.ap_smps]);
204}
205
206static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
207 const char *buf, int buflen)
208{
209 enum ieee80211_smps_mode mode;
210
211 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
212 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
213 int err = ieee80211_set_smps(sdata, mode);
214 if (!err)
215 return buflen;
216 return err;
217 }
218 }
219
220 return -EINVAL;
221}
222
223__IEEE80211_IF_FILE_W(smps);
224
Jouni Malinen681d1192011-02-03 18:35:19 +0200225static ssize_t ieee80211_if_fmt_tkip_mic_test(
226 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
227{
228 return -EOPNOTSUPP;
229}
230
231static int hwaddr_aton(const char *txt, u8 *addr)
232{
233 int i;
234
235 for (i = 0; i < ETH_ALEN; i++) {
236 int a, b;
237
238 a = hex_to_bin(*txt++);
239 if (a < 0)
240 return -1;
241 b = hex_to_bin(*txt++);
242 if (b < 0)
243 return -1;
244 *addr++ = (a << 4) | b;
245 if (i < 5 && *txt++ != ':')
246 return -1;
247 }
248
249 return 0;
250}
251
252static ssize_t ieee80211_if_parse_tkip_mic_test(
253 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
254{
255 struct ieee80211_local *local = sdata->local;
256 u8 addr[ETH_ALEN];
257 struct sk_buff *skb;
258 struct ieee80211_hdr *hdr;
259 __le16 fc;
260
261 /*
262 * Assume colon-delimited MAC address with possible white space
263 * following.
264 */
265 if (buflen < 3 * ETH_ALEN - 1)
266 return -EINVAL;
267 if (hwaddr_aton(buf, addr) < 0)
268 return -EINVAL;
269
270 if (!ieee80211_sdata_running(sdata))
271 return -ENOTCONN;
272
273 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
274 if (!skb)
275 return -ENOMEM;
276 skb_reserve(skb, local->hw.extra_tx_headroom);
277
278 hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
279 memset(hdr, 0, 24);
280 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
281
282 switch (sdata->vif.type) {
283 case NL80211_IFTYPE_AP:
284 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
285 /* DA BSSID SA */
286 memcpy(hdr->addr1, addr, ETH_ALEN);
287 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
288 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
289 break;
290 case NL80211_IFTYPE_STATION:
291 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
292 /* BSSID SA DA */
293 if (sdata->vif.bss_conf.bssid == NULL) {
294 dev_kfree_skb(skb);
295 return -ENOTCONN;
296 }
297 memcpy(hdr->addr1, sdata->vif.bss_conf.bssid, ETH_ALEN);
298 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
299 memcpy(hdr->addr3, addr, ETH_ALEN);
300 break;
301 default:
302 dev_kfree_skb(skb);
303 return -EOPNOTSUPP;
304 }
305 hdr->frame_control = fc;
306
307 /*
308 * Add some length to the test frame to make it look bit more valid.
309 * The exact contents does not matter since the recipient is required
310 * to drop this because of the Michael MIC failure.
311 */
312 memset(skb_put(skb, 50), 0, 50);
313
314 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
315
316 ieee80211_tx_skb(sdata, skb);
317
318 return buflen;
319}
320
321__IEEE80211_IF_FILE_W(tkip_mic_test);
322
Jiri Bence9f207f2007-05-05 11:46:38 -0700323/* AP attributes */
324IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
Jiri Bence9f207f2007-05-05 11:46:38 -0700325IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
Jiri Bence9f207f2007-05-05 11:46:38 -0700326
327static ssize_t ieee80211_if_fmt_num_buffered_multicast(
328 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
329{
330 return scnprintf(buf, buflen, "%u\n",
331 skb_queue_len(&sdata->u.ap.ps_bc_buf));
332}
Johannes Berg0f782312009-12-01 13:37:02 +0100333__IEEE80211_IF_FILE(num_buffered_multicast, NULL);
Jiri Bence9f207f2007-05-05 11:46:38 -0700334
Eliad Peller37a41b42011-09-21 14:06:11 +0300335/* IBSS attributes */
336static ssize_t ieee80211_if_fmt_tsf(
337 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
338{
339 struct ieee80211_local *local = sdata->local;
340 u64 tsf;
341
342 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
343
344 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
345}
346
347static ssize_t ieee80211_if_parse_tsf(
348 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
349{
350 struct ieee80211_local *local = sdata->local;
351 unsigned long long tsf;
352 int ret;
353
354 if (strncmp(buf, "reset", 5) == 0) {
355 if (local->ops->reset_tsf) {
356 drv_reset_tsf(local, sdata);
357 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
358 }
359 } else {
360 ret = kstrtoull(buf, 10, &tsf);
361 if (ret < 0)
362 return -EINVAL;
363 if (local->ops->set_tsf) {
364 drv_set_tsf(local, sdata, tsf);
365 wiphy_info(local->hw.wiphy,
366 "debugfs set TSF to %#018llx\n", tsf);
367 }
368 }
369
370 return buflen;
371}
372__IEEE80211_IF_FILE_W(tsf);
373
374
Jiri Bence9f207f2007-05-05 11:46:38 -0700375/* WDS attributes */
376IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
377
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100378#ifdef CONFIG_MAC80211_MESH
379/* Mesh stats attributes */
Daniel Walkerc8a61a72009-08-18 10:59:00 -0700380IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
381IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
Johannes Berg472dbc42008-09-11 00:01:49 +0200382IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
383IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
Javier Cardonacfee66b2011-09-06 13:05:21 -0700384IEEE80211_IF_FILE(dropped_frames_congestion,
385 u.mesh.mshstats.dropped_frames_congestion, DEC);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100386IEEE80211_IF_FILE(dropped_frames_no_route,
Johannes Berg472dbc42008-09-11 00:01:49 +0200387 u.mesh.mshstats.dropped_frames_no_route, DEC);
388IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100389
390/* Mesh parameters */
Johannes Berg36ff3822008-10-07 12:04:31 +0200391IEEE80211_IF_FILE(dot11MeshMaxRetries,
392 u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
393IEEE80211_IF_FILE(dot11MeshRetryTimeout,
394 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
395IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
396 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
397IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
398 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
399IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
Javier Cardona45904f22010-12-03 09:20:40 +0100400IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200401IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
402IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
403 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
404IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
405 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
406IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
407 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
408IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
409 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
410IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
411 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
412IEEE80211_IF_FILE(path_refresh_time,
413 u.mesh.mshcfg.path_refresh_time, DEC);
414IEEE80211_IF_FILE(min_discovery_timeout,
415 u.mesh.mshcfg.min_discovery_timeout, DEC);
Rui Paulo63c57232009-11-09 23:46:57 +0000416IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
417 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
Javier Cardona16dd7262011-08-09 16:45:11 -0700418IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
419 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
Javier Cardona0507e152011-08-09 16:45:10 -0700420IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
421 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100422#endif
423
424
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100425#define DEBUGFS_ADD(name) \
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100426 debugfs_create_file(#name, 0400, sdata->debugfs.dir, \
427 sdata, &name##_ops);
Jiri Bence9f207f2007-05-05 11:46:38 -0700428
Johannes Berg0f782312009-12-01 13:37:02 +0100429#define DEBUGFS_ADD_MODE(name, mode) \
430 debugfs_create_file(#name, mode, sdata->debugfs.dir, \
431 sdata, &name##_ops);
432
Jiri Bence9f207f2007-05-05 11:46:38 -0700433static void add_sta_files(struct ieee80211_sub_if_data *sdata)
434{
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100435 DEBUGFS_ADD(drop_unencrypted);
Ben Greear4914b3b2011-01-27 22:09:34 -0800436 DEBUGFS_ADD(flags);
437 DEBUGFS_ADD(state);
Ben Greear0fa025f2011-01-28 17:05:42 -0800438 DEBUGFS_ADD(channel_type);
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100439 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
440 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
Johannes Berg3e122be2008-07-09 14:40:34 +0200441
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100442 DEBUGFS_ADD(bssid);
443 DEBUGFS_ADD(aid);
Jouni Malinen17e4ec12010-03-29 23:28:30 -0700444 DEBUGFS_ADD(last_beacon);
445 DEBUGFS_ADD(ave_beacon);
Johannes Berg0f782312009-12-01 13:37:02 +0100446 DEBUGFS_ADD_MODE(smps, 0600);
Jouni Malinen681d1192011-02-03 18:35:19 +0200447 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
Jiri Bence9f207f2007-05-05 11:46:38 -0700448}
449
450static void add_ap_files(struct ieee80211_sub_if_data *sdata)
451{
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100452 DEBUGFS_ADD(drop_unencrypted);
Ben Greear4914b3b2011-01-27 22:09:34 -0800453 DEBUGFS_ADD(flags);
454 DEBUGFS_ADD(state);
Ben Greear0fa025f2011-01-28 17:05:42 -0800455 DEBUGFS_ADD(channel_type);
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100456 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
457 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
Johannes Berg3e122be2008-07-09 14:40:34 +0200458
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100459 DEBUGFS_ADD(num_sta_ps);
460 DEBUGFS_ADD(dtim_count);
461 DEBUGFS_ADD(num_buffered_multicast);
Jouni Malinen681d1192011-02-03 18:35:19 +0200462 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
Jiri Bence9f207f2007-05-05 11:46:38 -0700463}
464
Eliad Peller37a41b42011-09-21 14:06:11 +0300465static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
466{
467 DEBUGFS_ADD_MODE(tsf, 0600);
468}
469
Jiri Bence9f207f2007-05-05 11:46:38 -0700470static void add_wds_files(struct ieee80211_sub_if_data *sdata)
471{
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100472 DEBUGFS_ADD(drop_unencrypted);
Ben Greear4914b3b2011-01-27 22:09:34 -0800473 DEBUGFS_ADD(flags);
474 DEBUGFS_ADD(state);
Ben Greear0fa025f2011-01-28 17:05:42 -0800475 DEBUGFS_ADD(channel_type);
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100476 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
477 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
Johannes Berg3e122be2008-07-09 14:40:34 +0200478
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100479 DEBUGFS_ADD(peer);
Jiri Bence9f207f2007-05-05 11:46:38 -0700480}
481
482static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
483{
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100484 DEBUGFS_ADD(drop_unencrypted);
Ben Greear4914b3b2011-01-27 22:09:34 -0800485 DEBUGFS_ADD(flags);
486 DEBUGFS_ADD(state);
Ben Greear0fa025f2011-01-28 17:05:42 -0800487 DEBUGFS_ADD(channel_type);
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100488 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
489 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
Jiri Bence9f207f2007-05-05 11:46:38 -0700490}
491
492static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
493{
Ben Greear4914b3b2011-01-27 22:09:34 -0800494 DEBUGFS_ADD(flags);
495 DEBUGFS_ADD(state);
Ben Greear0fa025f2011-01-28 17:05:42 -0800496 DEBUGFS_ADD(channel_type);
Jiri Bence9f207f2007-05-05 11:46:38 -0700497}
498
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100499#ifdef CONFIG_MAC80211_MESH
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100500
501static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
502{
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100503 struct dentry *dir = debugfs_create_dir("mesh_stats",
504 sdata->debugfs.dir);
505
506#define MESHSTATS_ADD(name)\
507 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
508
Daniel Walkerc8a61a72009-08-18 10:59:00 -0700509 MESHSTATS_ADD(fwded_mcast);
510 MESHSTATS_ADD(fwded_unicast);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100511 MESHSTATS_ADD(fwded_frames);
512 MESHSTATS_ADD(dropped_frames_ttl);
513 MESHSTATS_ADD(dropped_frames_no_route);
Javier Cardonacfee66b2011-09-06 13:05:21 -0700514 MESHSTATS_ADD(dropped_frames_congestion);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100515 MESHSTATS_ADD(estab_plinks);
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100516#undef MESHSTATS_ADD
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100517}
518
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100519static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
520{
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100521 struct dentry *dir = debugfs_create_dir("mesh_config",
522 sdata->debugfs.dir);
523
524#define MESHPARAMS_ADD(name) \
525 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
526
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100527 MESHPARAMS_ADD(dot11MeshMaxRetries);
528 MESHPARAMS_ADD(dot11MeshRetryTimeout);
529 MESHPARAMS_ADD(dot11MeshConfirmTimeout);
530 MESHPARAMS_ADD(dot11MeshHoldingTimeout);
531 MESHPARAMS_ADD(dot11MeshTTL);
Javier Cardona45904f22010-12-03 09:20:40 +0100532 MESHPARAMS_ADD(element_ttl);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100533 MESHPARAMS_ADD(auto_open_plinks);
534 MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
535 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
536 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
537 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
538 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
539 MESHPARAMS_ADD(path_refresh_time);
540 MESHPARAMS_ADD(min_discovery_timeout);
Javier Cardona699403d2011-08-09 16:45:09 -0700541 MESHPARAMS_ADD(dot11MeshHWMPRootMode);
Javier Cardona0507e152011-08-09 16:45:10 -0700542 MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
Javier Cardona16dd7262011-08-09 16:45:11 -0700543 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100544#undef MESHPARAMS_ADD
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100545}
546#endif
547
Jiri Bence9f207f2007-05-05 11:46:38 -0700548static void add_files(struct ieee80211_sub_if_data *sdata)
549{
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100550 if (!sdata->debugfs.dir)
Jiri Bence9f207f2007-05-05 11:46:38 -0700551 return;
552
Johannes Berg51fb61e2007-12-19 01:31:27 +0100553 switch (sdata->vif.type) {
Johannes Berg05c914f2008-09-11 00:01:58 +0200554 case NL80211_IFTYPE_MESH_POINT:
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100555#ifdef CONFIG_MAC80211_MESH
556 add_mesh_stats(sdata);
557 add_mesh_config(sdata);
558#endif
Johannes Berg472dbc42008-09-11 00:01:49 +0200559 break;
Johannes Berg05c914f2008-09-11 00:01:58 +0200560 case NL80211_IFTYPE_STATION:
Jiri Bence9f207f2007-05-05 11:46:38 -0700561 add_sta_files(sdata);
562 break;
Johannes Berg46900292009-02-15 12:44:28 +0100563 case NL80211_IFTYPE_ADHOC:
Eliad Peller37a41b42011-09-21 14:06:11 +0300564 add_ibss_files(sdata);
Johannes Berg46900292009-02-15 12:44:28 +0100565 break;
Johannes Berg05c914f2008-09-11 00:01:58 +0200566 case NL80211_IFTYPE_AP:
Jiri Bence9f207f2007-05-05 11:46:38 -0700567 add_ap_files(sdata);
568 break;
Johannes Berg05c914f2008-09-11 00:01:58 +0200569 case NL80211_IFTYPE_WDS:
Jiri Bence9f207f2007-05-05 11:46:38 -0700570 add_wds_files(sdata);
571 break;
Johannes Berg05c914f2008-09-11 00:01:58 +0200572 case NL80211_IFTYPE_MONITOR:
Jiri Bence9f207f2007-05-05 11:46:38 -0700573 add_monitor_files(sdata);
574 break;
Johannes Berg05c914f2008-09-11 00:01:58 +0200575 case NL80211_IFTYPE_AP_VLAN:
Jiri Bence9f207f2007-05-05 11:46:38 -0700576 add_vlan_files(sdata);
577 break;
578 default:
579 break;
580 }
581}
582
Jiri Bence9f207f2007-05-05 11:46:38 -0700583void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
584{
585 char buf[10+IFNAMSIZ];
586
Johannes Berg47846c92009-11-25 17:46:19 +0100587 sprintf(buf, "netdev:%s", sdata->name);
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100588 sdata->debugfs.dir = debugfs_create_dir(buf,
Jiri Bence9f207f2007-05-05 11:46:38 -0700589 sdata->local->hw.wiphy->debugfsdir);
Ben Greear295bafb2010-09-22 20:29:01 -0700590 if (sdata->debugfs.dir)
591 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
592 sdata->debugfs.dir);
Johannes Berg75636522008-07-09 14:40:35 +0200593 add_files(sdata);
Jiri Bence9f207f2007-05-05 11:46:38 -0700594}
595
596void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
597{
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100598 if (!sdata->debugfs.dir)
599 return;
600
601 debugfs_remove_recursive(sdata->debugfs.dir);
602 sdata->debugfs.dir = NULL;
Jiri Bence9f207f2007-05-05 11:46:38 -0700603}
604
Johannes Berg47846c92009-11-25 17:46:19 +0100605void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
Jiri Bence9f207f2007-05-05 11:46:38 -0700606{
Johannes Berg7c8081e2007-06-21 18:30:19 +0200607 struct dentry *dir;
Johannes Berg47846c92009-11-25 17:46:19 +0100608 char buf[10 + IFNAMSIZ];
Johannes Berg3e122be2008-07-09 14:40:34 +0200609
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100610 dir = sdata->debugfs.dir;
Johannes Bergc74e90a2008-10-08 10:18:36 +0200611
612 if (!dir)
Johannes Berg47846c92009-11-25 17:46:19 +0100613 return;
Johannes Bergc74e90a2008-10-08 10:18:36 +0200614
Johannes Berg47846c92009-11-25 17:46:19 +0100615 sprintf(buf, "netdev:%s", sdata->name);
Johannes Berg7c8081e2007-06-21 18:30:19 +0200616 if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
617 printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs "
618 "dir to %s\n", buf);
Jiri Bence9f207f2007-05-05 11:46:38 -0700619}