blob: ea0122dbd2b3c0ae9ce3b9ee08689217c19403ca [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{
Eliad Pellerada577c2012-03-14 16:15:02 +020052 char buf[64];
Eric Dumazet51f5f8c2010-03-10 17:13:36 +010053 ssize_t ret;
Johannes Berg0f782312009-12-01 13:37:02 +010054
Eliad Pellerada577c2012-03-14 16:15:02 +020055 if (count >= sizeof(buf))
56 return -E2BIG;
Johannes Berg0f782312009-12-01 13:37:02 +010057
58 if (copy_from_user(buf, userbuf, count))
Eliad Pellerada577c2012-03-14 16:15:02 +020059 return -EFAULT;
60 buf[count] = '\0';
Johannes Berg0f782312009-12-01 13:37:02 +010061
Eric Dumazet51f5f8c2010-03-10 17:13:36 +010062 ret = -ENODEV;
Johannes Berg0f782312009-12-01 13:37:02 +010063 rtnl_lock();
64 if (sdata->dev->reg_state == NETREG_REGISTERED)
65 ret = (*write)(sdata, buf, count);
66 rtnl_unlock();
67
68 return ret;
69}
70
Jiri Bence9f207f2007-05-05 11:46:38 -070071#define IEEE80211_IF_FMT(name, field, format_string) \
72static ssize_t ieee80211_if_fmt_##name( \
73 const struct ieee80211_sub_if_data *sdata, char *buf, \
74 int buflen) \
75{ \
76 return scnprintf(buf, buflen, format_string, sdata->field); \
77}
78#define IEEE80211_IF_FMT_DEC(name, field) \
79 IEEE80211_IF_FMT(name, field, "%d\n")
80#define IEEE80211_IF_FMT_HEX(name, field) \
81 IEEE80211_IF_FMT(name, field, "%#x\n")
Ben Greear4914b3b2011-01-27 22:09:34 -080082#define IEEE80211_IF_FMT_LHEX(name, field) \
83 IEEE80211_IF_FMT(name, field, "%#lx\n")
Jiri Bence9f207f2007-05-05 11:46:38 -070084#define IEEE80211_IF_FMT_SIZE(name, field) \
85 IEEE80211_IF_FMT(name, field, "%zd\n")
86
Simon Wunderlich19468412012-01-28 17:25:33 +010087#define IEEE80211_IF_FMT_HEXARRAY(name, field) \
88static ssize_t ieee80211_if_fmt_##name( \
89 const struct ieee80211_sub_if_data *sdata, \
90 char *buf, int buflen) \
91{ \
92 char *p = buf; \
93 int i; \
94 for (i = 0; i < sizeof(sdata->field); i++) { \
95 p += scnprintf(p, buflen + buf - p, "%.2x ", \
96 sdata->field[i]); \
97 } \
98 p += scnprintf(p, buflen + buf - p, "\n"); \
99 return p - buf; \
100}
101
Jiri Bence9f207f2007-05-05 11:46:38 -0700102#define IEEE80211_IF_FMT_ATOMIC(name, field) \
103static ssize_t ieee80211_if_fmt_##name( \
104 const struct ieee80211_sub_if_data *sdata, \
105 char *buf, int buflen) \
106{ \
107 return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
108}
109
110#define IEEE80211_IF_FMT_MAC(name, field) \
111static ssize_t ieee80211_if_fmt_##name( \
112 const struct ieee80211_sub_if_data *sdata, char *buf, \
113 int buflen) \
114{ \
Johannes Berg0c68ae262008-10-27 15:56:10 -0700115 return scnprintf(buf, buflen, "%pM\n", sdata->field); \
Jiri Bence9f207f2007-05-05 11:46:38 -0700116}
117
Jouni Malinen17e4ec12010-03-29 23:28:30 -0700118#define IEEE80211_IF_FMT_DEC_DIV_16(name, field) \
119static ssize_t ieee80211_if_fmt_##name( \
120 const struct ieee80211_sub_if_data *sdata, \
121 char *buf, int buflen) \
122{ \
123 return scnprintf(buf, buflen, "%d\n", sdata->field / 16); \
124}
125
Johannes Berg0f782312009-12-01 13:37:02 +0100126#define __IEEE80211_IF_FILE(name, _write) \
Jiri Bence9f207f2007-05-05 11:46:38 -0700127static ssize_t ieee80211_if_read_##name(struct file *file, \
128 char __user *userbuf, \
129 size_t count, loff_t *ppos) \
130{ \
131 return ieee80211_if_read(file->private_data, \
132 userbuf, count, ppos, \
133 ieee80211_if_fmt_##name); \
134} \
135static const struct file_operations name##_ops = { \
136 .read = ieee80211_if_read_##name, \
Johannes Berg0f782312009-12-01 13:37:02 +0100137 .write = (_write), \
Stephen Boyd234e3402012-04-05 14:25:11 -0700138 .open = simple_open, \
Arnd Bergmann2b18ab362010-07-06 19:05:31 +0200139 .llseek = generic_file_llseek, \
Jiri Bence9f207f2007-05-05 11:46:38 -0700140}
141
Johannes Berg0f782312009-12-01 13:37:02 +0100142#define __IEEE80211_IF_FILE_W(name) \
143static ssize_t ieee80211_if_write_##name(struct file *file, \
144 const char __user *userbuf, \
145 size_t count, loff_t *ppos) \
146{ \
147 return ieee80211_if_write(file->private_data, userbuf, count, \
148 ppos, ieee80211_if_parse_##name); \
149} \
150__IEEE80211_IF_FILE(name, ieee80211_if_write_##name)
151
152
Jiri Bence9f207f2007-05-05 11:46:38 -0700153#define IEEE80211_IF_FILE(name, field, format) \
154 IEEE80211_IF_FMT_##format(name, field) \
Johannes Berg0f782312009-12-01 13:37:02 +0100155 __IEEE80211_IF_FILE(name, NULL)
Jiri Bence9f207f2007-05-05 11:46:38 -0700156
157/* common attributes */
Jiri Bence9f207f2007-05-05 11:46:38 -0700158IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
Jouni Malinen37eb0b12010-01-06 13:09:08 +0200159IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
160 HEX);
161IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
162 HEX);
Simon Wunderlich19468412012-01-28 17:25:33 +0100163IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
164 rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
165IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
166 rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
167
Ben Greear4914b3b2011-01-27 22:09:34 -0800168IEEE80211_IF_FILE(flags, flags, HEX);
169IEEE80211_IF_FILE(state, state, LHEX);
Ben Greear0fa025f2011-01-28 17:05:42 -0800170IEEE80211_IF_FILE(channel_type, vif.bss_conf.channel_type, DEC);
Jiri Bence9f207f2007-05-05 11:46:38 -0700171
Johannes Berg46900292009-02-15 12:44:28 +0100172/* STA attributes */
Johannes Berg46900292009-02-15 12:44:28 +0100173IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
Johannes Berg46900292009-02-15 12:44:28 +0100174IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
Jouni Malinen17e4ec12010-03-29 23:28:30 -0700175IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
176IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
Jiri Bence9f207f2007-05-05 11:46:38 -0700177
Johannes Berg0f782312009-12-01 13:37:02 +0100178static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
179 enum ieee80211_smps_mode smps_mode)
180{
181 struct ieee80211_local *local = sdata->local;
182 int err;
183
184 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
185 smps_mode == IEEE80211_SMPS_STATIC)
186 return -EINVAL;
187
188 /* auto should be dynamic if in PS mode */
189 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
190 (smps_mode == IEEE80211_SMPS_DYNAMIC ||
191 smps_mode == IEEE80211_SMPS_AUTOMATIC))
192 return -EINVAL;
193
194 /* supported only on managed interfaces for now */
195 if (sdata->vif.type != NL80211_IFTYPE_STATION)
196 return -EOPNOTSUPP;
197
Johannes Berg243e6df2011-04-19 20:44:04 +0200198 mutex_lock(&sdata->u.mgd.mtx);
Johannes Berg0f782312009-12-01 13:37:02 +0100199 err = __ieee80211_request_smps(sdata, smps_mode);
Johannes Berg243e6df2011-04-19 20:44:04 +0200200 mutex_unlock(&sdata->u.mgd.mtx);
Johannes Berg0f782312009-12-01 13:37:02 +0100201
202 return err;
203}
204
205static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
206 [IEEE80211_SMPS_AUTOMATIC] = "auto",
207 [IEEE80211_SMPS_OFF] = "off",
208 [IEEE80211_SMPS_STATIC] = "static",
209 [IEEE80211_SMPS_DYNAMIC] = "dynamic",
210};
211
212static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
213 char *buf, int buflen)
214{
215 if (sdata->vif.type != NL80211_IFTYPE_STATION)
216 return -EOPNOTSUPP;
217
218 return snprintf(buf, buflen, "request: %s\nused: %s\n",
219 smps_modes[sdata->u.mgd.req_smps],
220 smps_modes[sdata->u.mgd.ap_smps]);
221}
222
223static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
224 const char *buf, int buflen)
225{
226 enum ieee80211_smps_mode mode;
227
228 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
229 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
230 int err = ieee80211_set_smps(sdata, mode);
231 if (!err)
232 return buflen;
233 return err;
234 }
235 }
236
237 return -EINVAL;
238}
239
240__IEEE80211_IF_FILE_W(smps);
241
Jouni Malinen681d1192011-02-03 18:35:19 +0200242static ssize_t ieee80211_if_fmt_tkip_mic_test(
243 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
244{
245 return -EOPNOTSUPP;
246}
247
248static int hwaddr_aton(const char *txt, u8 *addr)
249{
250 int i;
251
252 for (i = 0; i < ETH_ALEN; i++) {
253 int a, b;
254
255 a = hex_to_bin(*txt++);
256 if (a < 0)
257 return -1;
258 b = hex_to_bin(*txt++);
259 if (b < 0)
260 return -1;
261 *addr++ = (a << 4) | b;
262 if (i < 5 && *txt++ != ':')
263 return -1;
264 }
265
266 return 0;
267}
268
269static ssize_t ieee80211_if_parse_tkip_mic_test(
270 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
271{
272 struct ieee80211_local *local = sdata->local;
273 u8 addr[ETH_ALEN];
274 struct sk_buff *skb;
275 struct ieee80211_hdr *hdr;
276 __le16 fc;
277
278 /*
279 * Assume colon-delimited MAC address with possible white space
280 * following.
281 */
282 if (buflen < 3 * ETH_ALEN - 1)
283 return -EINVAL;
284 if (hwaddr_aton(buf, addr) < 0)
285 return -EINVAL;
286
287 if (!ieee80211_sdata_running(sdata))
288 return -ENOTCONN;
289
290 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
291 if (!skb)
292 return -ENOMEM;
293 skb_reserve(skb, local->hw.extra_tx_headroom);
294
295 hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
296 memset(hdr, 0, 24);
297 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
298
299 switch (sdata->vif.type) {
300 case NL80211_IFTYPE_AP:
301 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
302 /* DA BSSID SA */
303 memcpy(hdr->addr1, addr, ETH_ALEN);
304 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
305 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
306 break;
307 case NL80211_IFTYPE_STATION:
308 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
309 /* BSSID SA DA */
310 if (sdata->vif.bss_conf.bssid == NULL) {
311 dev_kfree_skb(skb);
312 return -ENOTCONN;
313 }
314 memcpy(hdr->addr1, sdata->vif.bss_conf.bssid, ETH_ALEN);
315 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
316 memcpy(hdr->addr3, addr, ETH_ALEN);
317 break;
318 default:
319 dev_kfree_skb(skb);
320 return -EOPNOTSUPP;
321 }
322 hdr->frame_control = fc;
323
324 /*
325 * Add some length to the test frame to make it look bit more valid.
326 * The exact contents does not matter since the recipient is required
327 * to drop this because of the Michael MIC failure.
328 */
329 memset(skb_put(skb, 50), 0, 50);
330
331 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
332
333 ieee80211_tx_skb(sdata, skb);
334
335 return buflen;
336}
337
338__IEEE80211_IF_FILE_W(tkip_mic_test);
339
Eliad Pellerdc41e4d2012-03-14 16:15:03 +0200340static ssize_t ieee80211_if_fmt_uapsd_queues(
341 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
342{
343 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
344
345 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
346}
347
348static ssize_t ieee80211_if_parse_uapsd_queues(
349 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
350{
351 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
352 u8 val;
353 int ret;
354
355 ret = kstrtou8(buf, 0, &val);
356 if (ret)
357 return ret;
358
359 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
360 return -ERANGE;
361
362 ifmgd->uapsd_queues = val;
363
364 return buflen;
365}
366__IEEE80211_IF_FILE_W(uapsd_queues);
367
368static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
369 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
370{
371 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
372
373 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
374}
375
376static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
377 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
378{
379 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
380 unsigned long val;
381 int ret;
382
383 ret = kstrtoul(buf, 0, &val);
384 if (ret)
385 return -EINVAL;
386
387 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
388 return -ERANGE;
389
390 ifmgd->uapsd_max_sp_len = val;
391
392 return buflen;
393}
394__IEEE80211_IF_FILE_W(uapsd_max_sp_len);
395
Jiri Bence9f207f2007-05-05 11:46:38 -0700396/* AP attributes */
Felix Fietkau030ef8f2012-04-23 19:49:02 +0200397IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
Jiri Bence9f207f2007-05-05 11:46:38 -0700398IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
Jiri Bence9f207f2007-05-05 11:46:38 -0700399IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
Jiri Bence9f207f2007-05-05 11:46:38 -0700400
401static ssize_t ieee80211_if_fmt_num_buffered_multicast(
402 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
403{
404 return scnprintf(buf, buflen, "%u\n",
405 skb_queue_len(&sdata->u.ap.ps_bc_buf));
406}
Johannes Berg0f782312009-12-01 13:37:02 +0100407__IEEE80211_IF_FILE(num_buffered_multicast, NULL);
Jiri Bence9f207f2007-05-05 11:46:38 -0700408
Eliad Peller37a41b42011-09-21 14:06:11 +0300409/* IBSS attributes */
410static ssize_t ieee80211_if_fmt_tsf(
411 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
412{
413 struct ieee80211_local *local = sdata->local;
414 u64 tsf;
415
416 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
417
418 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
419}
420
421static ssize_t ieee80211_if_parse_tsf(
422 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
423{
424 struct ieee80211_local *local = sdata->local;
425 unsigned long long tsf;
426 int ret;
Javier Cardona9bdd3a62012-03-31 11:31:31 -0700427 int tsf_is_delta = 0;
Eliad Peller37a41b42011-09-21 14:06:11 +0300428
429 if (strncmp(buf, "reset", 5) == 0) {
430 if (local->ops->reset_tsf) {
431 drv_reset_tsf(local, sdata);
432 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
433 }
434 } else {
Javier Cardona9bdd3a62012-03-31 11:31:31 -0700435 if (buflen > 10 && buf[1] == '=') {
436 if (buf[0] == '+')
437 tsf_is_delta = 1;
438 else if (buf[0] == '-')
439 tsf_is_delta = -1;
440 else
441 return -EINVAL;
442 buf += 2;
443 }
Eliad Peller37a41b42011-09-21 14:06:11 +0300444 ret = kstrtoull(buf, 10, &tsf);
445 if (ret < 0)
446 return -EINVAL;
Javier Cardona9bdd3a62012-03-31 11:31:31 -0700447 if (tsf_is_delta)
448 tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
Eliad Peller37a41b42011-09-21 14:06:11 +0300449 if (local->ops->set_tsf) {
450 drv_set_tsf(local, sdata, tsf);
451 wiphy_info(local->hw.wiphy,
452 "debugfs set TSF to %#018llx\n", tsf);
453 }
454 }
455
456 return buflen;
457}
458__IEEE80211_IF_FILE_W(tsf);
459
460
Jiri Bence9f207f2007-05-05 11:46:38 -0700461/* WDS attributes */
462IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
463
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100464#ifdef CONFIG_MAC80211_MESH
465/* Mesh stats attributes */
Daniel Walkerc8a61a72009-08-18 10:59:00 -0700466IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
467IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
Johannes Berg472dbc42008-09-11 00:01:49 +0200468IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
469IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
Javier Cardonacfee66b2011-09-06 13:05:21 -0700470IEEE80211_IF_FILE(dropped_frames_congestion,
471 u.mesh.mshstats.dropped_frames_congestion, DEC);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100472IEEE80211_IF_FILE(dropped_frames_no_route,
Johannes Berg472dbc42008-09-11 00:01:49 +0200473 u.mesh.mshstats.dropped_frames_no_route, DEC);
474IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100475
476/* Mesh parameters */
Johannes Berg36ff3822008-10-07 12:04:31 +0200477IEEE80211_IF_FILE(dot11MeshMaxRetries,
478 u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
479IEEE80211_IF_FILE(dot11MeshRetryTimeout,
480 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
481IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
482 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
483IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
484 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
485IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
Javier Cardona45904f22010-12-03 09:20:40 +0100486IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200487IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
488IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
489 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
490IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
491 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
492IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
493 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
Thomas Pedersendca7e942011-11-24 17:15:24 -0800494IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
495 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200496IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
497 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
498IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
499 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
500IEEE80211_IF_FILE(path_refresh_time,
501 u.mesh.mshcfg.path_refresh_time, DEC);
502IEEE80211_IF_FILE(min_discovery_timeout,
503 u.mesh.mshcfg.min_discovery_timeout, DEC);
Rui Paulo63c57232009-11-09 23:46:57 +0000504IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
505 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
Javier Cardona16dd7262011-08-09 16:45:11 -0700506IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
507 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
Javier Cardona0507e152011-08-09 16:45:10 -0700508IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
509 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
Chun-Yeow Yeoh94f90652012-01-21 01:02:16 +0800510IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
Ashok Nagarajan55335132012-02-28 17:04:08 -0800511IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100512#endif
513
Johannes Berg0f782312009-12-01 13:37:02 +0100514#define DEBUGFS_ADD_MODE(name, mode) \
515 debugfs_create_file(#name, mode, sdata->debugfs.dir, \
516 sdata, &name##_ops);
517
Felix Fietkaufcb2c9e2012-03-18 22:58:05 +0100518#define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
519
520static void add_common_files(struct ieee80211_sub_if_data *sdata)
Jiri Bence9f207f2007-05-05 11:46:38 -0700521{
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100522 DEBUGFS_ADD(drop_unencrypted);
523 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
524 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
Simon Wunderlich19468412012-01-28 17:25:33 +0100525 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
526 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
Felix Fietkaufcb2c9e2012-03-18 22:58:05 +0100527}
Johannes Berg3e122be2008-07-09 14:40:34 +0200528
Felix Fietkaufcb2c9e2012-03-18 22:58:05 +0100529static void add_sta_files(struct ieee80211_sub_if_data *sdata)
530{
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100531 DEBUGFS_ADD(bssid);
532 DEBUGFS_ADD(aid);
Jouni Malinen17e4ec12010-03-29 23:28:30 -0700533 DEBUGFS_ADD(last_beacon);
534 DEBUGFS_ADD(ave_beacon);
Johannes Berg0f782312009-12-01 13:37:02 +0100535 DEBUGFS_ADD_MODE(smps, 0600);
Jouni Malinen681d1192011-02-03 18:35:19 +0200536 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
Eliad Pellerdc41e4d2012-03-14 16:15:03 +0200537 DEBUGFS_ADD_MODE(uapsd_queues, 0600);
538 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
Jiri Bence9f207f2007-05-05 11:46:38 -0700539}
540
541static void add_ap_files(struct ieee80211_sub_if_data *sdata)
542{
Felix Fietkau030ef8f2012-04-23 19:49:02 +0200543 DEBUGFS_ADD(num_mcast_sta);
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100544 DEBUGFS_ADD(num_sta_ps);
545 DEBUGFS_ADD(dtim_count);
546 DEBUGFS_ADD(num_buffered_multicast);
Jouni Malinen681d1192011-02-03 18:35:19 +0200547 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
Jiri Bence9f207f2007-05-05 11:46:38 -0700548}
549
Eliad Peller37a41b42011-09-21 14:06:11 +0300550static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
551{
552 DEBUGFS_ADD_MODE(tsf, 0600);
553}
554
Jiri Bence9f207f2007-05-05 11:46:38 -0700555static void add_wds_files(struct ieee80211_sub_if_data *sdata)
556{
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100557 DEBUGFS_ADD(peer);
Jiri Bence9f207f2007-05-05 11:46:38 -0700558}
559
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100560#ifdef CONFIG_MAC80211_MESH
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100561
Javier Cardona12ce8ba2012-03-05 17:20:38 -0800562static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
563{
564 DEBUGFS_ADD_MODE(tsf, 0600);
565}
566
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100567static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
568{
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100569 struct dentry *dir = debugfs_create_dir("mesh_stats",
570 sdata->debugfs.dir);
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100571#define MESHSTATS_ADD(name)\
572 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
573
Daniel Walkerc8a61a72009-08-18 10:59:00 -0700574 MESHSTATS_ADD(fwded_mcast);
575 MESHSTATS_ADD(fwded_unicast);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100576 MESHSTATS_ADD(fwded_frames);
577 MESHSTATS_ADD(dropped_frames_ttl);
578 MESHSTATS_ADD(dropped_frames_no_route);
Javier Cardonacfee66b2011-09-06 13:05:21 -0700579 MESHSTATS_ADD(dropped_frames_congestion);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100580 MESHSTATS_ADD(estab_plinks);
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100581#undef MESHSTATS_ADD
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100582}
583
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100584static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
585{
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100586 struct dentry *dir = debugfs_create_dir("mesh_config",
587 sdata->debugfs.dir);
588
589#define MESHPARAMS_ADD(name) \
590 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
591
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100592 MESHPARAMS_ADD(dot11MeshMaxRetries);
593 MESHPARAMS_ADD(dot11MeshRetryTimeout);
594 MESHPARAMS_ADD(dot11MeshConfirmTimeout);
595 MESHPARAMS_ADD(dot11MeshHoldingTimeout);
596 MESHPARAMS_ADD(dot11MeshTTL);
Javier Cardona45904f22010-12-03 09:20:40 +0100597 MESHPARAMS_ADD(element_ttl);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100598 MESHPARAMS_ADD(auto_open_plinks);
599 MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
600 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
601 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
Thomas Pedersendca7e942011-11-24 17:15:24 -0800602 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100603 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
604 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
605 MESHPARAMS_ADD(path_refresh_time);
606 MESHPARAMS_ADD(min_discovery_timeout);
Javier Cardona699403d2011-08-09 16:45:09 -0700607 MESHPARAMS_ADD(dot11MeshHWMPRootMode);
Javier Cardona0507e152011-08-09 16:45:10 -0700608 MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
Javier Cardona16dd7262011-08-09 16:45:11 -0700609 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
Ashok Nagarajan55335132012-02-28 17:04:08 -0800610 MESHPARAMS_ADD(rssi_threshold);
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100611#undef MESHPARAMS_ADD
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100612}
613#endif
614
Jiri Bence9f207f2007-05-05 11:46:38 -0700615static void add_files(struct ieee80211_sub_if_data *sdata)
616{
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100617 if (!sdata->debugfs.dir)
Jiri Bence9f207f2007-05-05 11:46:38 -0700618 return;
619
Felix Fietkaufcb2c9e2012-03-18 22:58:05 +0100620 DEBUGFS_ADD(flags);
621 DEBUGFS_ADD(state);
622 DEBUGFS_ADD(channel_type);
623
624 if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
625 add_common_files(sdata);
626
Johannes Berg51fb61e2007-12-19 01:31:27 +0100627 switch (sdata->vif.type) {
Johannes Berg05c914f2008-09-11 00:01:58 +0200628 case NL80211_IFTYPE_MESH_POINT:
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100629#ifdef CONFIG_MAC80211_MESH
Javier Cardona12ce8ba2012-03-05 17:20:38 -0800630 add_mesh_files(sdata);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100631 add_mesh_stats(sdata);
632 add_mesh_config(sdata);
633#endif
Johannes Berg472dbc42008-09-11 00:01:49 +0200634 break;
Johannes Berg05c914f2008-09-11 00:01:58 +0200635 case NL80211_IFTYPE_STATION:
Jiri Bence9f207f2007-05-05 11:46:38 -0700636 add_sta_files(sdata);
637 break;
Johannes Berg46900292009-02-15 12:44:28 +0100638 case NL80211_IFTYPE_ADHOC:
Eliad Peller37a41b42011-09-21 14:06:11 +0300639 add_ibss_files(sdata);
Johannes Berg46900292009-02-15 12:44:28 +0100640 break;
Johannes Berg05c914f2008-09-11 00:01:58 +0200641 case NL80211_IFTYPE_AP:
Jiri Bence9f207f2007-05-05 11:46:38 -0700642 add_ap_files(sdata);
643 break;
Johannes Berg05c914f2008-09-11 00:01:58 +0200644 case NL80211_IFTYPE_WDS:
Jiri Bence9f207f2007-05-05 11:46:38 -0700645 add_wds_files(sdata);
646 break;
Jiri Bence9f207f2007-05-05 11:46:38 -0700647 default:
648 break;
649 }
650}
651
Jiri Bence9f207f2007-05-05 11:46:38 -0700652void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
653{
654 char buf[10+IFNAMSIZ];
655
Johannes Berg47846c92009-11-25 17:46:19 +0100656 sprintf(buf, "netdev:%s", sdata->name);
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100657 sdata->debugfs.dir = debugfs_create_dir(buf,
Jiri Bence9f207f2007-05-05 11:46:38 -0700658 sdata->local->hw.wiphy->debugfsdir);
Ben Greear295bafb2010-09-22 20:29:01 -0700659 if (sdata->debugfs.dir)
660 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
661 sdata->debugfs.dir);
Johannes Berg75636522008-07-09 14:40:35 +0200662 add_files(sdata);
Jiri Bence9f207f2007-05-05 11:46:38 -0700663}
664
665void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
666{
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100667 if (!sdata->debugfs.dir)
668 return;
669
670 debugfs_remove_recursive(sdata->debugfs.dir);
671 sdata->debugfs.dir = NULL;
Jiri Bence9f207f2007-05-05 11:46:38 -0700672}
673
Johannes Berg47846c92009-11-25 17:46:19 +0100674void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
Jiri Bence9f207f2007-05-05 11:46:38 -0700675{
Johannes Berg7c8081e2007-06-21 18:30:19 +0200676 struct dentry *dir;
Johannes Berg47846c92009-11-25 17:46:19 +0100677 char buf[10 + IFNAMSIZ];
Johannes Berg3e122be2008-07-09 14:40:34 +0200678
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100679 dir = sdata->debugfs.dir;
Johannes Bergc74e90a2008-10-08 10:18:36 +0200680
681 if (!dir)
Johannes Berg47846c92009-11-25 17:46:19 +0100682 return;
Johannes Bergc74e90a2008-10-08 10:18:36 +0200683
Johannes Berg47846c92009-11-25 17:46:19 +0100684 sprintf(buf, "netdev:%s", sdata->name);
Johannes Berg7c8081e2007-06-21 18:30:19 +0200685 if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
686 printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs "
687 "dir to %s\n", buf);
Jiri Bence9f207f2007-05-05 11:46:38 -0700688}