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btrfs: ->submit_bio_hook error push-up
[deliverable/linux.git] / net / mac80211 / debugfs_netdev.c
CommitLineData
e9f207f0
JB		 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/interrupt.h>
14#include <linux/netdevice.h>
15#include <linux/rtnetlink.h>
5a0e3ad6 16#include <linux/slab.h>
e9f207f0
JB		 17#include <linux/notifier.h>
18#include <net/mac80211.h>
19#include <net/cfg80211.h>
20#include "ieee80211_i.h"
2c8dccc7 21#include "rate.h"
e9f207f0
JB		 22#include "debugfs.h"
23#include "debugfs_netdev.h"
37a41b4a 24#include "driver-ops.h"
e9f207f0
JB		 25
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);
73bb3e4a 36 if (sdata->dev->reg_state == NETREG_REGISTERED)
e9f207f0 37 ret = (*format)(sdata, buf, sizeof(buf));
e9f207f0 38 read_unlock(&dev_base_lock);
73bb3e4a 39
681d1190 40 if (ret >= 0)
73bb3e4a
LCC		 41 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
42
e9f207f0
JB		 43 return ret;
44}
45
0f78231b
JB		 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 u8 *buf;
51f5f8ca 53 ssize_t ret;
0f78231b 54
51f5f8ca 55 buf = kmalloc(count, GFP_KERNEL);
0f78231b
JB		 56 if (!buf)
57 return -ENOMEM;
58
51f5f8ca 59 ret = -EFAULT;
0f78231b 60 if (copy_from_user(buf, userbuf, count))
51f5f8ca 61 goto freebuf;
0f78231b 62
51f5f8ca 63 ret = -ENODEV;
0f78231b
JB		 64 rtnl_lock();
65 if (sdata->dev->reg_state == NETREG_REGISTERED)
66 ret = (*write)(sdata, buf, count);
67 rtnl_unlock();
68
51f5f8ca
ED		 69freebuf:
70 kfree(buf);
0f78231b
JB		 71 return ret;
72}
73
e9f207f0
JB		 74#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")
4914b3bb
BG		 85#define IEEE80211_IF_FMT_LHEX(name, field) \
86 IEEE80211_IF_FMT(name, field, "%#lx\n")
e9f207f0
JB		 87#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{ \
0c68ae26 103 return scnprintf(buf, buflen, "%pM\n", sdata->field); \
e9f207f0
JB		 104}
105
17e4ec14
JM		 106#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
0f78231b 114#define __IEEE80211_IF_FILE(name, _write) \
e9f207f0
JB		 115static 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, \
0f78231b 125 .write = (_write), \
e9f207f0 126 .open = mac80211_open_file_generic, \
2b18ab36 127 .llseek = generic_file_llseek, \
e9f207f0
JB		 128}
129
0f78231b
JB		 130#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
e9f207f0
JB		 141#define IEEE80211_IF_FILE(name, field, format) \
142 IEEE80211_IF_FMT_##format(name, field) \
0f78231b 143 __IEEE80211_IF_FILE(name, NULL)
e9f207f0
JB		 144
145/* common attributes */
e9f207f0 146IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
37eb0b16
JM		 147IEEE80211_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);
4914b3bb
BG		 151IEEE80211_IF_FILE(flags, flags, HEX);
152IEEE80211_IF_FILE(state, state, LHEX);
0fa025f0 153IEEE80211_IF_FILE(channel_type, vif.bss_conf.channel_type, DEC);
e9f207f0 154
46900298 155/* STA attributes */
46900298 156IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
46900298 157IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
17e4ec14
JM		 158IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
159IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
e9f207f0 160
0f78231b
JB		 161static 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
243e6df4 181 mutex_lock(&sdata->u.mgd.mtx);
0f78231b 182 err = __ieee80211_request_smps(sdata, smps_mode);
243e6df4 183 mutex_unlock(&sdata->u.mgd.mtx);
0f78231b
JB		 184
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
681d1190
JM		 225static 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
e9f207f0 323/* AP attributes */
29623892 324IEEE80211_IF_FILE(num_sta_authorized, u.ap.num_sta_authorized, ATOMIC);
e9f207f0 325IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
e9f207f0 326IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
e9f207f0
JB		 327
328static ssize_t ieee80211_if_fmt_num_buffered_multicast(
329 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
330{
331 return scnprintf(buf, buflen, "%u\n",
332 skb_queue_len(&sdata->u.ap.ps_bc_buf));
333}
0f78231b 334__IEEE80211_IF_FILE(num_buffered_multicast, NULL);
e9f207f0 335
37a41b4a
EP		 336/* IBSS attributes */
337static ssize_t ieee80211_if_fmt_tsf(
338 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
339{
340 struct ieee80211_local *local = sdata->local;
341 u64 tsf;
342
343 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
344
345 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
346}
347
348static ssize_t ieee80211_if_parse_tsf(
349 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
350{
351 struct ieee80211_local *local = sdata->local;
352 unsigned long long tsf;
353 int ret;
354
355 if (strncmp(buf, "reset", 5) == 0) {
356 if (local->ops->reset_tsf) {
357 drv_reset_tsf(local, sdata);
358 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
359 }
360 } else {
361 ret = kstrtoull(buf, 10, &tsf);
362 if (ret < 0)
363 return -EINVAL;
364 if (local->ops->set_tsf) {
365 drv_set_tsf(local, sdata, tsf);
366 wiphy_info(local->hw.wiphy,
367 "debugfs set TSF to %#018llx\n", tsf);
368 }
369 }
370
371 return buflen;
372}
373__IEEE80211_IF_FILE_W(tsf);
374
375
e9f207f0
JB		 376/* WDS attributes */
377IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
378
9f42f607
LCC		 379#ifdef CONFIG_MAC80211_MESH
380/* Mesh stats attributes */
c8a61a7d
DW		 381IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
382IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
472dbc45
JB		 383IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
384IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
cfee66b0
JC		 385IEEE80211_IF_FILE(dropped_frames_congestion,
386 u.mesh.mshstats.dropped_frames_congestion, DEC);
9f42f607 387IEEE80211_IF_FILE(dropped_frames_no_route,
472dbc45
JB		 388 u.mesh.mshstats.dropped_frames_no_route, DEC);
389IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC);
9f42f607
LCC		 390
391/* Mesh parameters */
36ff382d
JB		 392IEEE80211_IF_FILE(dot11MeshMaxRetries,
393 u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
394IEEE80211_IF_FILE(dot11MeshRetryTimeout,
395 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
396IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
397 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
398IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
399 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
400IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
45904f21 401IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
36ff382d
JB		 402IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
403IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
404 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
405IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
406 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
407IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
408 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
dca7e943
TP		 409IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
410 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
36ff382d
JB		 411IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
412 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
413IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
414 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
415IEEE80211_IF_FILE(path_refresh_time,
416 u.mesh.mshcfg.path_refresh_time, DEC);
417IEEE80211_IF_FILE(min_discovery_timeout,
418 u.mesh.mshcfg.min_discovery_timeout, DEC);
63c5723b
RP		 419IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
420 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
16dd7267
JC		 421IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
422 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
0507e159
JC		 423IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
424 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
9f42f607
LCC		 425#endif
426
427
2d46d7c1 428#define DEBUGFS_ADD(name) \
7bcfaf2f
JB		 429 debugfs_create_file(#name, 0400, sdata->debugfs.dir, \
430 sdata, &name##_ops);
e9f207f0 431
0f78231b
JB		 432#define DEBUGFS_ADD_MODE(name, mode) \
433 debugfs_create_file(#name, mode, sdata->debugfs.dir, \
434 sdata, &name##_ops);
435
e9f207f0
JB		 436static void add_sta_files(struct ieee80211_sub_if_data *sdata)
437{
2d46d7c1 438 DEBUGFS_ADD(drop_unencrypted);
4914b3bb
BG		 439 DEBUGFS_ADD(flags);
440 DEBUGFS_ADD(state);
0fa025f0 441 DEBUGFS_ADD(channel_type);
2d46d7c1
JB		 442 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
443 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
3e122be0 444
2d46d7c1
JB		 445 DEBUGFS_ADD(bssid);
446 DEBUGFS_ADD(aid);
17e4ec14
JM		 447 DEBUGFS_ADD(last_beacon);
448 DEBUGFS_ADD(ave_beacon);
0f78231b 449 DEBUGFS_ADD_MODE(smps, 0600);
681d1190 450 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
e9f207f0
JB		 451}
452
453static void add_ap_files(struct ieee80211_sub_if_data *sdata)
454{
2d46d7c1 455 DEBUGFS_ADD(drop_unencrypted);
4914b3bb
BG		 456 DEBUGFS_ADD(flags);
457 DEBUGFS_ADD(state);
0fa025f0 458 DEBUGFS_ADD(channel_type);
2d46d7c1
JB		 459 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
460 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
3e122be0 461
29623892 462 DEBUGFS_ADD(num_sta_authorized);
2d46d7c1
JB		 463 DEBUGFS_ADD(num_sta_ps);
464 DEBUGFS_ADD(dtim_count);
465 DEBUGFS_ADD(num_buffered_multicast);
681d1190 466 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
e9f207f0
JB		 467}
468
37a41b4a
EP		 469static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
470{
471 DEBUGFS_ADD_MODE(tsf, 0600);
472}
473
e9f207f0
JB		 474static void add_wds_files(struct ieee80211_sub_if_data *sdata)
475{
2d46d7c1 476 DEBUGFS_ADD(drop_unencrypted);
4914b3bb
BG		 477 DEBUGFS_ADD(flags);
478 DEBUGFS_ADD(state);
0fa025f0 479 DEBUGFS_ADD(channel_type);
2d46d7c1
JB		 480 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
481 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
3e122be0 482
2d46d7c1 483 DEBUGFS_ADD(peer);
e9f207f0
JB		 484}
485
486static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
487{
2d46d7c1 488 DEBUGFS_ADD(drop_unencrypted);
4914b3bb
BG		 489 DEBUGFS_ADD(flags);
490 DEBUGFS_ADD(state);
0fa025f0 491 DEBUGFS_ADD(channel_type);
2d46d7c1
JB		 492 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
493 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
e9f207f0
JB		 494}
495
496static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
497{
4914b3bb
BG		 498 DEBUGFS_ADD(flags);
499 DEBUGFS_ADD(state);
0fa025f0 500 DEBUGFS_ADD(channel_type);
e9f207f0
JB		 501}
502
9f42f607 503#ifdef CONFIG_MAC80211_MESH
9f42f607
LCC		 504
505static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
506{
7bcfaf2f
JB		 507 struct dentry *dir = debugfs_create_dir("mesh_stats",
508 sdata->debugfs.dir);
509
510#define MESHSTATS_ADD(name)\
511 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
512
c8a61a7d
DW		 513 MESHSTATS_ADD(fwded_mcast);
514 MESHSTATS_ADD(fwded_unicast);
9f42f607
LCC		 515 MESHSTATS_ADD(fwded_frames);
516 MESHSTATS_ADD(dropped_frames_ttl);
517 MESHSTATS_ADD(dropped_frames_no_route);
cfee66b0 518 MESHSTATS_ADD(dropped_frames_congestion);
9f42f607 519 MESHSTATS_ADD(estab_plinks);
7bcfaf2f 520#undef MESHSTATS_ADD
9f42f607
LCC		 521}
522
9f42f607
LCC		 523static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
524{
7bcfaf2f
JB		 525 struct dentry *dir = debugfs_create_dir("mesh_config",
526 sdata->debugfs.dir);
527
528#define MESHPARAMS_ADD(name) \
529 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
530
9f42f607
LCC		 531 MESHPARAMS_ADD(dot11MeshMaxRetries);
532 MESHPARAMS_ADD(dot11MeshRetryTimeout);
533 MESHPARAMS_ADD(dot11MeshConfirmTimeout);
534 MESHPARAMS_ADD(dot11MeshHoldingTimeout);
535 MESHPARAMS_ADD(dot11MeshTTL);
45904f21 536 MESHPARAMS_ADD(element_ttl);
9f42f607
LCC		 537 MESHPARAMS_ADD(auto_open_plinks);
538 MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
539 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
540 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
dca7e943 541 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
9f42f607
LCC		 542 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
543 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
544 MESHPARAMS_ADD(path_refresh_time);
545 MESHPARAMS_ADD(min_discovery_timeout);
699403db 546 MESHPARAMS_ADD(dot11MeshHWMPRootMode);
0507e159 547 MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
16dd7267 548 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
7bcfaf2f 549#undef MESHPARAMS_ADD
9f42f607
LCC		 550}
551#endif
552
e9f207f0
JB		 553static void add_files(struct ieee80211_sub_if_data *sdata)
554{
7bcfaf2f 555 if (!sdata->debugfs.dir)
e9f207f0
JB		 556 return;
557
51fb61e7 558 switch (sdata->vif.type) {
05c914fe 559 case NL80211_IFTYPE_MESH_POINT:
9f42f607
LCC		 560#ifdef CONFIG_MAC80211_MESH
561 add_mesh_stats(sdata);
562 add_mesh_config(sdata);
563#endif
472dbc45 564 break;
05c914fe 565 case NL80211_IFTYPE_STATION:
e9f207f0
JB		 566 add_sta_files(sdata);
567 break;
46900298 568 case NL80211_IFTYPE_ADHOC:
37a41b4a 569 add_ibss_files(sdata);
46900298 570 break;
05c914fe 571 case NL80211_IFTYPE_AP:
e9f207f0
JB		 572 add_ap_files(sdata);
573 break;
05c914fe 574 case NL80211_IFTYPE_WDS:
e9f207f0
JB		 575 add_wds_files(sdata);
576 break;
05c914fe 577 case NL80211_IFTYPE_MONITOR:
e9f207f0
JB		 578 add_monitor_files(sdata);
579 break;
05c914fe 580 case NL80211_IFTYPE_AP_VLAN:
e9f207f0
JB		 581 add_vlan_files(sdata);
582 break;
583 default:
584 break;
585 }
586}
587
e9f207f0
JB		 588void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
589{
590 char buf[10+IFNAMSIZ];
591
47846c9b 592 sprintf(buf, "netdev:%s", sdata->name);
7bcfaf2f 593 sdata->debugfs.dir = debugfs_create_dir(buf,
e9f207f0 594 sdata->local->hw.wiphy->debugfsdir);
295bafb4
BG		 595 if (sdata->debugfs.dir)
596 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
597 sdata->debugfs.dir);
75636525 598 add_files(sdata);
e9f207f0
JB		 599}
600
601void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
602{
7bcfaf2f
JB		 603 if (!sdata->debugfs.dir)
604 return;
605
606 debugfs_remove_recursive(sdata->debugfs.dir);
607 sdata->debugfs.dir = NULL;
e9f207f0
JB		 608}
609
47846c9b 610void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
e9f207f0 611{
7c8081eb 612 struct dentry *dir;
47846c9b 613 char buf[10 + IFNAMSIZ];
3e122be0 614
7bcfaf2f 615 dir = sdata->debugfs.dir;
c74e90a9
JB		 616
617 if (!dir)
47846c9b 618 return;
c74e90a9 619
47846c9b 620 sprintf(buf, "netdev:%s", sdata->name);
7c8081eb
JB		 621 if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
622 printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs "
623 "dir to %s\n", buf);
e9f207f0 624}
Linux kernel - Deliverables
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