blob: 059bbb82e84fec6f6d6fec5d5bdd5e400648cfc5 [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>
Johannes Berg28656a12012-11-05 20:24:38 +010013#include <linux/if_ether.h>
Jiri Bence9f207f2007-05-05 11:46:38 -070014#include <linux/interrupt.h>
15#include <linux/netdevice.h>
16#include <linux/rtnetlink.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090017#include <linux/slab.h>
Jiri Bence9f207f2007-05-05 11:46:38 -070018#include <linux/notifier.h>
19#include <net/mac80211.h>
20#include <net/cfg80211.h>
21#include "ieee80211_i.h"
Johannes Berg2c8dccc2008-04-08 15:14:40 -040022#include "rate.h"
Jiri Bence9f207f2007-05-05 11:46:38 -070023#include "debugfs.h"
24#include "debugfs_netdev.h"
Eliad Peller37a41b42011-09-21 14:06:11 +030025#include "driver-ops.h"
Jiri Bence9f207f2007-05-05 11:46:38 -070026
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);
Luis Carlos Cobo73bb3e42008-03-31 15:10:22 -070037 if (sdata->dev->reg_state == NETREG_REGISTERED)
Jiri Bence9f207f2007-05-05 11:46:38 -070038 ret = (*format)(sdata, buf, sizeof(buf));
Jiri Bence9f207f2007-05-05 11:46:38 -070039 read_unlock(&dev_base_lock);
Luis Carlos Cobo73bb3e42008-03-31 15:10:22 -070040
Jouni Malinen681d1192011-02-03 18:35:19 +020041 if (ret >= 0)
Luis Carlos Cobo73bb3e42008-03-31 15:10:22 -070042 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
43
Jiri Bence9f207f2007-05-05 11:46:38 -070044 return ret;
45}
46
Johannes Berg0f782312009-12-01 13:37:02 +010047static ssize_t ieee80211_if_write(
48 struct ieee80211_sub_if_data *sdata,
49 const char __user *userbuf,
50 size_t count, loff_t *ppos,
51 ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int))
52{
Eliad Pellerada577c2012-03-14 16:15:02 +020053 char buf[64];
Eric Dumazet51f5f8c2010-03-10 17:13:36 +010054 ssize_t ret;
Johannes Berg0f782312009-12-01 13:37:02 +010055
Eliad Pellerada577c2012-03-14 16:15:02 +020056 if (count >= sizeof(buf))
57 return -E2BIG;
Johannes Berg0f782312009-12-01 13:37:02 +010058
59 if (copy_from_user(buf, userbuf, count))
Eliad Pellerada577c2012-03-14 16:15:02 +020060 return -EFAULT;
61 buf[count] = '\0';
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
69 return ret;
70}
71
Jiri Bence9f207f2007-05-05 11:46:38 -070072#define IEEE80211_IF_FMT(name, field, format_string) \
73static ssize_t ieee80211_if_fmt_##name( \
74 const struct ieee80211_sub_if_data *sdata, char *buf, \
75 int buflen) \
76{ \
77 return scnprintf(buf, buflen, format_string, sdata->field); \
78}
79#define IEEE80211_IF_FMT_DEC(name, field) \
80 IEEE80211_IF_FMT(name, field, "%d\n")
81#define IEEE80211_IF_FMT_HEX(name, field) \
82 IEEE80211_IF_FMT(name, field, "%#x\n")
Ben Greear4914b3b2011-01-27 22:09:34 -080083#define IEEE80211_IF_FMT_LHEX(name, field) \
84 IEEE80211_IF_FMT(name, field, "%#lx\n")
Jiri Bence9f207f2007-05-05 11:46:38 -070085#define IEEE80211_IF_FMT_SIZE(name, field) \
86 IEEE80211_IF_FMT(name, field, "%zd\n")
87
Simon Wunderlich19468412012-01-28 17:25:33 +010088#define IEEE80211_IF_FMT_HEXARRAY(name, field) \
89static ssize_t ieee80211_if_fmt_##name( \
90 const struct ieee80211_sub_if_data *sdata, \
91 char *buf, int buflen) \
92{ \
93 char *p = buf; \
94 int i; \
95 for (i = 0; i < sizeof(sdata->field); i++) { \
96 p += scnprintf(p, buflen + buf - p, "%.2x ", \
97 sdata->field[i]); \
98 } \
99 p += scnprintf(p, buflen + buf - p, "\n"); \
100 return p - buf; \
101}
102
Jiri Bence9f207f2007-05-05 11:46:38 -0700103#define IEEE80211_IF_FMT_ATOMIC(name, field) \
104static ssize_t ieee80211_if_fmt_##name( \
105 const struct ieee80211_sub_if_data *sdata, \
106 char *buf, int buflen) \
107{ \
108 return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
109}
110
111#define IEEE80211_IF_FMT_MAC(name, field) \
112static ssize_t ieee80211_if_fmt_##name( \
113 const struct ieee80211_sub_if_data *sdata, char *buf, \
114 int buflen) \
115{ \
Johannes Berg0c68ae262008-10-27 15:56:10 -0700116 return scnprintf(buf, buflen, "%pM\n", sdata->field); \
Jiri Bence9f207f2007-05-05 11:46:38 -0700117}
118
Jouni Malinen17e4ec12010-03-29 23:28:30 -0700119#define IEEE80211_IF_FMT_DEC_DIV_16(name, field) \
120static ssize_t ieee80211_if_fmt_##name( \
121 const struct ieee80211_sub_if_data *sdata, \
122 char *buf, int buflen) \
123{ \
124 return scnprintf(buf, buflen, "%d\n", sdata->field / 16); \
125}
126
Johannes Berg0f782312009-12-01 13:37:02 +0100127#define __IEEE80211_IF_FILE(name, _write) \
Jiri Bence9f207f2007-05-05 11:46:38 -0700128static ssize_t ieee80211_if_read_##name(struct file *file, \
129 char __user *userbuf, \
130 size_t count, loff_t *ppos) \
131{ \
132 return ieee80211_if_read(file->private_data, \
133 userbuf, count, ppos, \
134 ieee80211_if_fmt_##name); \
135} \
136static const struct file_operations name##_ops = { \
137 .read = ieee80211_if_read_##name, \
Johannes Berg0f782312009-12-01 13:37:02 +0100138 .write = (_write), \
Stephen Boyd234e3402012-04-05 14:25:11 -0700139 .open = simple_open, \
Arnd Bergmann2b18ab362010-07-06 19:05:31 +0200140 .llseek = generic_file_llseek, \
Jiri Bence9f207f2007-05-05 11:46:38 -0700141}
142
Johannes Berg0f782312009-12-01 13:37:02 +0100143#define __IEEE80211_IF_FILE_W(name) \
144static ssize_t ieee80211_if_write_##name(struct file *file, \
145 const char __user *userbuf, \
146 size_t count, loff_t *ppos) \
147{ \
148 return ieee80211_if_write(file->private_data, userbuf, count, \
149 ppos, ieee80211_if_parse_##name); \
150} \
151__IEEE80211_IF_FILE(name, ieee80211_if_write_##name)
152
153
Jiri Bence9f207f2007-05-05 11:46:38 -0700154#define IEEE80211_IF_FILE(name, field, format) \
155 IEEE80211_IF_FMT_##format(name, field) \
Johannes Berg0f782312009-12-01 13:37:02 +0100156 __IEEE80211_IF_FILE(name, NULL)
Jiri Bence9f207f2007-05-05 11:46:38 -0700157
158/* common attributes */
Jiri Bence9f207f2007-05-05 11:46:38 -0700159IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
Jouni Malinen37eb0b12010-01-06 13:09:08 +0200160IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
161 HEX);
162IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
163 HEX);
Simon Wunderlich19468412012-01-28 17:25:33 +0100164IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
165 rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
166IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
167 rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
168
Ben Greear4914b3b2011-01-27 22:09:34 -0800169IEEE80211_IF_FILE(flags, flags, HEX);
170IEEE80211_IF_FILE(state, state, LHEX);
Johannes Berg1ea6f9c2012-10-24 10:59:25 +0200171IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
172IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
173IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
Jiri Bence9f207f2007-05-05 11:46:38 -0700174
Johannes Berg08643312012-11-08 15:29:28 +0100175static ssize_t
176ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
177 char *buf, int buflen)
178{
179 int len;
180
181 len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
182 sdata->vif.hw_queue[IEEE80211_AC_VO],
183 sdata->vif.hw_queue[IEEE80211_AC_VI],
184 sdata->vif.hw_queue[IEEE80211_AC_BE],
185 sdata->vif.hw_queue[IEEE80211_AC_BK]);
186
187 if (sdata->vif.type == NL80211_IFTYPE_AP)
188 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
189 sdata->vif.cab_queue);
190
191 return len;
192}
193__IEEE80211_IF_FILE(hw_queues, NULL);
194
Johannes Berg46900292009-02-15 12:44:28 +0100195/* STA attributes */
Johannes Berg46900292009-02-15 12:44:28 +0100196IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
Johannes Berg46900292009-02-15 12:44:28 +0100197IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
Jouni Malinen17e4ec12010-03-29 23:28:30 -0700198IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
199IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
Jiri Bence9f207f2007-05-05 11:46:38 -0700200
Johannes Berg0f782312009-12-01 13:37:02 +0100201static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
202 enum ieee80211_smps_mode smps_mode)
203{
204 struct ieee80211_local *local = sdata->local;
205 int err;
206
207 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
208 smps_mode == IEEE80211_SMPS_STATIC)
209 return -EINVAL;
210
211 /* auto should be dynamic if in PS mode */
212 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
213 (smps_mode == IEEE80211_SMPS_DYNAMIC ||
214 smps_mode == IEEE80211_SMPS_AUTOMATIC))
215 return -EINVAL;
216
217 /* supported only on managed interfaces for now */
218 if (sdata->vif.type != NL80211_IFTYPE_STATION)
219 return -EOPNOTSUPP;
220
Johannes Berg243e6df2011-04-19 20:44:04 +0200221 mutex_lock(&sdata->u.mgd.mtx);
Johannes Berg0f782312009-12-01 13:37:02 +0100222 err = __ieee80211_request_smps(sdata, smps_mode);
Johannes Berg243e6df2011-04-19 20:44:04 +0200223 mutex_unlock(&sdata->u.mgd.mtx);
Johannes Berg0f782312009-12-01 13:37:02 +0100224
225 return err;
226}
227
228static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
229 [IEEE80211_SMPS_AUTOMATIC] = "auto",
230 [IEEE80211_SMPS_OFF] = "off",
231 [IEEE80211_SMPS_STATIC] = "static",
232 [IEEE80211_SMPS_DYNAMIC] = "dynamic",
233};
234
235static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
236 char *buf, int buflen)
237{
238 if (sdata->vif.type != NL80211_IFTYPE_STATION)
239 return -EOPNOTSUPP;
240
241 return snprintf(buf, buflen, "request: %s\nused: %s\n",
242 smps_modes[sdata->u.mgd.req_smps],
Johannes Berg04ecd252012-09-11 14:34:12 +0200243 smps_modes[sdata->smps_mode]);
Johannes Berg0f782312009-12-01 13:37:02 +0100244}
245
246static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
247 const char *buf, int buflen)
248{
249 enum ieee80211_smps_mode mode;
250
251 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
252 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
253 int err = ieee80211_set_smps(sdata, mode);
254 if (!err)
255 return buflen;
256 return err;
257 }
258 }
259
260 return -EINVAL;
261}
262
263__IEEE80211_IF_FILE_W(smps);
264
Jouni Malinen681d1192011-02-03 18:35:19 +0200265static ssize_t ieee80211_if_fmt_tkip_mic_test(
266 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
267{
268 return -EOPNOTSUPP;
269}
270
Jouni Malinen681d1192011-02-03 18:35:19 +0200271static ssize_t ieee80211_if_parse_tkip_mic_test(
272 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
273{
274 struct ieee80211_local *local = sdata->local;
275 u8 addr[ETH_ALEN];
276 struct sk_buff *skb;
277 struct ieee80211_hdr *hdr;
278 __le16 fc;
279
Johannes Berg28656a12012-11-05 20:24:38 +0100280 if (!mac_pton(buf, addr))
Jouni Malinen681d1192011-02-03 18:35:19 +0200281 return -EINVAL;
282
283 if (!ieee80211_sdata_running(sdata))
284 return -ENOTCONN;
285
286 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
287 if (!skb)
288 return -ENOMEM;
289 skb_reserve(skb, local->hw.extra_tx_headroom);
290
291 hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
292 memset(hdr, 0, 24);
293 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
294
295 switch (sdata->vif.type) {
296 case NL80211_IFTYPE_AP:
297 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
298 /* DA BSSID SA */
299 memcpy(hdr->addr1, addr, ETH_ALEN);
300 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
301 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
302 break;
303 case NL80211_IFTYPE_STATION:
304 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
305 /* BSSID SA DA */
Johannes Berg41c97a22012-11-05 20:27:57 +0100306 mutex_lock(&sdata->u.mgd.mtx);
307 if (!sdata->u.mgd.associated) {
308 mutex_unlock(&sdata->u.mgd.mtx);
Jouni Malinen681d1192011-02-03 18:35:19 +0200309 dev_kfree_skb(skb);
310 return -ENOTCONN;
311 }
Johannes Berg41c97a22012-11-05 20:27:57 +0100312 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
Jouni Malinen681d1192011-02-03 18:35:19 +0200313 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
314 memcpy(hdr->addr3, addr, ETH_ALEN);
Johannes Berg41c97a22012-11-05 20:27:57 +0100315 mutex_unlock(&sdata->u.mgd.mtx);
Jouni Malinen681d1192011-02-03 18:35:19 +0200316 break;
317 default:
318 dev_kfree_skb(skb);
319 return -EOPNOTSUPP;
320 }
321 hdr->frame_control = fc;
322
323 /*
324 * Add some length to the test frame to make it look bit more valid.
325 * The exact contents does not matter since the recipient is required
326 * to drop this because of the Michael MIC failure.
327 */
328 memset(skb_put(skb, 50), 0, 50);
329
330 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
331
332 ieee80211_tx_skb(sdata, skb);
333
334 return buflen;
335}
336
337__IEEE80211_IF_FILE_W(tkip_mic_test);
338
Eliad Pellerdc41e4d2012-03-14 16:15:03 +0200339static ssize_t ieee80211_if_fmt_uapsd_queues(
340 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
341{
342 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
343
344 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
345}
346
347static ssize_t ieee80211_if_parse_uapsd_queues(
348 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
349{
350 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
351 u8 val;
352 int ret;
353
354 ret = kstrtou8(buf, 0, &val);
355 if (ret)
356 return ret;
357
358 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
359 return -ERANGE;
360
361 ifmgd->uapsd_queues = val;
362
363 return buflen;
364}
365__IEEE80211_IF_FILE_W(uapsd_queues);
366
367static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
368 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
369{
370 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
371
372 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
373}
374
375static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
376 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
377{
378 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
379 unsigned long val;
380 int ret;
381
382 ret = kstrtoul(buf, 0, &val);
383 if (ret)
384 return -EINVAL;
385
386 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
387 return -ERANGE;
388
389 ifmgd->uapsd_max_sp_len = val;
390
391 return buflen;
392}
393__IEEE80211_IF_FILE_W(uapsd_max_sp_len);
394
Jiri Bence9f207f2007-05-05 11:46:38 -0700395/* AP attributes */
Felix Fietkau030ef8f2012-04-23 19:49:02 +0200396IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
Marco Porschd012a602012-10-10 12:39:50 -0700397IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
398IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
Jiri Bence9f207f2007-05-05 11:46:38 -0700399
400static ssize_t ieee80211_if_fmt_num_buffered_multicast(
401 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
402{
403 return scnprintf(buf, buflen, "%u\n",
Marco Porschd012a602012-10-10 12:39:50 -0700404 skb_queue_len(&sdata->u.ap.ps.bc_buf));
Jiri Bence9f207f2007-05-05 11:46:38 -0700405}
Johannes Berg0f782312009-12-01 13:37:02 +0100406__IEEE80211_IF_FILE(num_buffered_multicast, NULL);
Jiri Bence9f207f2007-05-05 11:46:38 -0700407
Eliad Peller37a41b42011-09-21 14:06:11 +0300408/* IBSS attributes */
409static ssize_t ieee80211_if_fmt_tsf(
410 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
411{
412 struct ieee80211_local *local = sdata->local;
413 u64 tsf;
414
415 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
416
417 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
418}
419
420static ssize_t ieee80211_if_parse_tsf(
421 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
422{
423 struct ieee80211_local *local = sdata->local;
424 unsigned long long tsf;
425 int ret;
Javier Cardona9bdd3a62012-03-31 11:31:31 -0700426 int tsf_is_delta = 0;
Eliad Peller37a41b42011-09-21 14:06:11 +0300427
428 if (strncmp(buf, "reset", 5) == 0) {
429 if (local->ops->reset_tsf) {
430 drv_reset_tsf(local, sdata);
431 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
432 }
433 } else {
Javier Cardona9bdd3a62012-03-31 11:31:31 -0700434 if (buflen > 10 && buf[1] == '=') {
435 if (buf[0] == '+')
436 tsf_is_delta = 1;
437 else if (buf[0] == '-')
438 tsf_is_delta = -1;
439 else
440 return -EINVAL;
441 buf += 2;
442 }
Eliad Peller37a41b42011-09-21 14:06:11 +0300443 ret = kstrtoull(buf, 10, &tsf);
444 if (ret < 0)
Johannes Berg6fc1da92012-11-05 20:30:39 +0100445 return ret;
Javier Cardona9bdd3a62012-03-31 11:31:31 -0700446 if (tsf_is_delta)
447 tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
Eliad Peller37a41b42011-09-21 14:06:11 +0300448 if (local->ops->set_tsf) {
449 drv_set_tsf(local, sdata, tsf);
450 wiphy_info(local->hw.wiphy,
451 "debugfs set TSF to %#018llx\n", tsf);
452 }
453 }
454
455 return buflen;
456}
457__IEEE80211_IF_FILE_W(tsf);
458
459
Jiri Bence9f207f2007-05-05 11:46:38 -0700460/* WDS attributes */
461IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
462
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100463#ifdef CONFIG_MAC80211_MESH
464/* Mesh stats attributes */
Daniel Walkerc8a61a72009-08-18 10:59:00 -0700465IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
466IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
Johannes Berg472dbc42008-09-11 00:01:49 +0200467IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
468IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
Javier Cardonacfee66b2011-09-06 13:05:21 -0700469IEEE80211_IF_FILE(dropped_frames_congestion,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800470 u.mesh.mshstats.dropped_frames_congestion, DEC);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100471IEEE80211_IF_FILE(dropped_frames_no_route,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800472 u.mesh.mshstats.dropped_frames_no_route, DEC);
Ashok Nagarajan1258d972012-10-09 13:27:47 -0700473IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100474
475/* Mesh parameters */
Johannes Berg36ff3822008-10-07 12:04:31 +0200476IEEE80211_IF_FILE(dot11MeshMaxRetries,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800477 u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200478IEEE80211_IF_FILE(dot11MeshRetryTimeout,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800479 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200480IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800481 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200482IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800483 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200484IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
Javier Cardona45904f22010-12-03 09:20:40 +0100485IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200486IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
487IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800488 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200489IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800490 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200491IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800492 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
Thomas Pedersendca7e942011-11-24 17:15:24 -0800493IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800494 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200495IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800496 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200497IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800498 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200499IEEE80211_IF_FILE(path_refresh_time,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800500 u.mesh.mshcfg.path_refresh_time, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200501IEEE80211_IF_FILE(min_discovery_timeout,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800502 u.mesh.mshcfg.min_discovery_timeout, DEC);
Rui Paulo63c57232009-11-09 23:46:57 +0000503IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800504 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
Javier Cardona16dd7262011-08-09 16:45:11 -0700505IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800506 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
Javier Cardona0507e152011-08-09 16:45:10 -0700507IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800508 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
Chun-Yeow Yeoh94f90652012-01-21 01:02:16 +0800509IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
Ashok Nagarajan55335132012-02-28 17:04:08 -0800510IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
Ashok Nagarajan4416f5d2012-05-07 21:00:32 -0700511IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
Chun-Yeow Yeohac1073a2012-06-14 02:06:06 +0800512IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
513 u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
514IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
515 u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
Chun-Yeow Yeoh728b19e2012-06-14 02:06:10 +0800516IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
517 u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
Marco Porsch3f52b7e2013-01-30 18:14:08 +0100518IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
519IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
520 u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100521#endif
522
Johannes Berg0f782312009-12-01 13:37:02 +0100523#define DEBUGFS_ADD_MODE(name, mode) \
524 debugfs_create_file(#name, mode, sdata->debugfs.dir, \
525 sdata, &name##_ops);
526
Felix Fietkaufcb2c9e2012-03-18 22:58:05 +0100527#define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
528
529static void add_common_files(struct ieee80211_sub_if_data *sdata)
Jiri Bence9f207f2007-05-05 11:46:38 -0700530{
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100531 DEBUGFS_ADD(drop_unencrypted);
532 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
533 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
Simon Wunderlich19468412012-01-28 17:25:33 +0100534 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
535 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
Johannes Berg08643312012-11-08 15:29:28 +0100536 DEBUGFS_ADD(hw_queues);
Felix Fietkaufcb2c9e2012-03-18 22:58:05 +0100537}
Johannes Berg3e122be2008-07-09 14:40:34 +0200538
Felix Fietkaufcb2c9e2012-03-18 22:58:05 +0100539static void add_sta_files(struct ieee80211_sub_if_data *sdata)
540{
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100541 DEBUGFS_ADD(bssid);
542 DEBUGFS_ADD(aid);
Jouni Malinen17e4ec12010-03-29 23:28:30 -0700543 DEBUGFS_ADD(last_beacon);
544 DEBUGFS_ADD(ave_beacon);
Johannes Berg0f782312009-12-01 13:37:02 +0100545 DEBUGFS_ADD_MODE(smps, 0600);
Jouni Malinen681d1192011-02-03 18:35:19 +0200546 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
Eliad Pellerdc41e4d2012-03-14 16:15:03 +0200547 DEBUGFS_ADD_MODE(uapsd_queues, 0600);
548 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
Jiri Bence9f207f2007-05-05 11:46:38 -0700549}
550
551static void add_ap_files(struct ieee80211_sub_if_data *sdata)
552{
Felix Fietkau030ef8f2012-04-23 19:49:02 +0200553 DEBUGFS_ADD(num_mcast_sta);
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100554 DEBUGFS_ADD(num_sta_ps);
555 DEBUGFS_ADD(dtim_count);
556 DEBUGFS_ADD(num_buffered_multicast);
Jouni Malinen681d1192011-02-03 18:35:19 +0200557 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
Jiri Bence9f207f2007-05-05 11:46:38 -0700558}
559
Eliad Peller37a41b42011-09-21 14:06:11 +0300560static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
561{
562 DEBUGFS_ADD_MODE(tsf, 0600);
563}
564
Jiri Bence9f207f2007-05-05 11:46:38 -0700565static void add_wds_files(struct ieee80211_sub_if_data *sdata)
566{
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100567 DEBUGFS_ADD(peer);
Jiri Bence9f207f2007-05-05 11:46:38 -0700568}
569
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100570#ifdef CONFIG_MAC80211_MESH
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100571
Javier Cardona12ce8ba2012-03-05 17:20:38 -0800572static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
573{
574 DEBUGFS_ADD_MODE(tsf, 0600);
575}
576
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100577static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
578{
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100579 struct dentry *dir = debugfs_create_dir("mesh_stats",
580 sdata->debugfs.dir);
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100581#define MESHSTATS_ADD(name)\
582 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
583
Daniel Walkerc8a61a72009-08-18 10:59:00 -0700584 MESHSTATS_ADD(fwded_mcast);
585 MESHSTATS_ADD(fwded_unicast);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100586 MESHSTATS_ADD(fwded_frames);
587 MESHSTATS_ADD(dropped_frames_ttl);
588 MESHSTATS_ADD(dropped_frames_no_route);
Javier Cardonacfee66b2011-09-06 13:05:21 -0700589 MESHSTATS_ADD(dropped_frames_congestion);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100590 MESHSTATS_ADD(estab_plinks);
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100591#undef MESHSTATS_ADD
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100592}
593
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100594static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
595{
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100596 struct dentry *dir = debugfs_create_dir("mesh_config",
597 sdata->debugfs.dir);
598
599#define MESHPARAMS_ADD(name) \
600 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
601
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100602 MESHPARAMS_ADD(dot11MeshMaxRetries);
603 MESHPARAMS_ADD(dot11MeshRetryTimeout);
604 MESHPARAMS_ADD(dot11MeshConfirmTimeout);
605 MESHPARAMS_ADD(dot11MeshHoldingTimeout);
606 MESHPARAMS_ADD(dot11MeshTTL);
Javier Cardona45904f22010-12-03 09:20:40 +0100607 MESHPARAMS_ADD(element_ttl);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100608 MESHPARAMS_ADD(auto_open_plinks);
609 MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
610 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
611 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
Thomas Pedersendca7e942011-11-24 17:15:24 -0800612 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100613 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
614 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
615 MESHPARAMS_ADD(path_refresh_time);
616 MESHPARAMS_ADD(min_discovery_timeout);
Javier Cardona699403d2011-08-09 16:45:09 -0700617 MESHPARAMS_ADD(dot11MeshHWMPRootMode);
Javier Cardona0507e152011-08-09 16:45:10 -0700618 MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
Chun-Yeow Yeoh8c06e8c2012-05-31 18:17:30 +0800619 MESHPARAMS_ADD(dot11MeshForwarding);
Javier Cardona16dd7262011-08-09 16:45:11 -0700620 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
Ashok Nagarajan55335132012-02-28 17:04:08 -0800621 MESHPARAMS_ADD(rssi_threshold);
Ashok Nagarajan4416f5d2012-05-07 21:00:32 -0700622 MESHPARAMS_ADD(ht_opmode);
Chun-Yeow Yeohac1073a2012-06-14 02:06:06 +0800623 MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
624 MESHPARAMS_ADD(dot11MeshHWMProotInterval);
Chun-Yeow Yeoh728b19e2012-06-14 02:06:10 +0800625 MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
Marco Porsch3f52b7e2013-01-30 18:14:08 +0100626 MESHPARAMS_ADD(power_mode);
627 MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100628#undef MESHPARAMS_ADD
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100629}
630#endif
631
Jiri Bence9f207f2007-05-05 11:46:38 -0700632static void add_files(struct ieee80211_sub_if_data *sdata)
633{
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100634 if (!sdata->debugfs.dir)
Jiri Bence9f207f2007-05-05 11:46:38 -0700635 return;
636
Felix Fietkaufcb2c9e2012-03-18 22:58:05 +0100637 DEBUGFS_ADD(flags);
638 DEBUGFS_ADD(state);
Johannes Berg1ea6f9c2012-10-24 10:59:25 +0200639 DEBUGFS_ADD(txpower);
640 DEBUGFS_ADD(user_power_level);
641 DEBUGFS_ADD(ap_power_level);
Felix Fietkaufcb2c9e2012-03-18 22:58:05 +0100642
643 if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
644 add_common_files(sdata);
645
Johannes Berg51fb61e2007-12-19 01:31:27 +0100646 switch (sdata->vif.type) {
Johannes Berg05c914f2008-09-11 00:01:58 +0200647 case NL80211_IFTYPE_MESH_POINT:
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100648#ifdef CONFIG_MAC80211_MESH
Javier Cardona12ce8ba2012-03-05 17:20:38 -0800649 add_mesh_files(sdata);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100650 add_mesh_stats(sdata);
651 add_mesh_config(sdata);
652#endif
Johannes Berg472dbc42008-09-11 00:01:49 +0200653 break;
Johannes Berg05c914f2008-09-11 00:01:58 +0200654 case NL80211_IFTYPE_STATION:
Jiri Bence9f207f2007-05-05 11:46:38 -0700655 add_sta_files(sdata);
656 break;
Johannes Berg46900292009-02-15 12:44:28 +0100657 case NL80211_IFTYPE_ADHOC:
Eliad Peller37a41b42011-09-21 14:06:11 +0300658 add_ibss_files(sdata);
Johannes Berg46900292009-02-15 12:44:28 +0100659 break;
Johannes Berg05c914f2008-09-11 00:01:58 +0200660 case NL80211_IFTYPE_AP:
Jiri Bence9f207f2007-05-05 11:46:38 -0700661 add_ap_files(sdata);
662 break;
Johannes Berg05c914f2008-09-11 00:01:58 +0200663 case NL80211_IFTYPE_WDS:
Jiri Bence9f207f2007-05-05 11:46:38 -0700664 add_wds_files(sdata);
665 break;
Jiri Bence9f207f2007-05-05 11:46:38 -0700666 default:
667 break;
668 }
669}
670
Jiri Bence9f207f2007-05-05 11:46:38 -0700671void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
672{
673 char buf[10+IFNAMSIZ];
674
Johannes Berg47846c92009-11-25 17:46:19 +0100675 sprintf(buf, "netdev:%s", sdata->name);
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100676 sdata->debugfs.dir = debugfs_create_dir(buf,
Jiri Bence9f207f2007-05-05 11:46:38 -0700677 sdata->local->hw.wiphy->debugfsdir);
Ben Greear295bafb2010-09-22 20:29:01 -0700678 if (sdata->debugfs.dir)
679 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
680 sdata->debugfs.dir);
Johannes Berg75636522008-07-09 14:40:35 +0200681 add_files(sdata);
Jiri Bence9f207f2007-05-05 11:46:38 -0700682}
683
684void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
685{
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100686 if (!sdata->debugfs.dir)
687 return;
688
689 debugfs_remove_recursive(sdata->debugfs.dir);
690 sdata->debugfs.dir = NULL;
Jiri Bence9f207f2007-05-05 11:46:38 -0700691}
692
Johannes Berg47846c92009-11-25 17:46:19 +0100693void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
Jiri Bence9f207f2007-05-05 11:46:38 -0700694{
Johannes Berg7c8081e2007-06-21 18:30:19 +0200695 struct dentry *dir;
Johannes Berg47846c92009-11-25 17:46:19 +0100696 char buf[10 + IFNAMSIZ];
Johannes Berg3e122be2008-07-09 14:40:34 +0200697
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100698 dir = sdata->debugfs.dir;
Johannes Bergc74e90a2008-10-08 10:18:36 +0200699
700 if (!dir)
Johannes Berg47846c92009-11-25 17:46:19 +0100701 return;
Johannes Bergc74e90a2008-10-08 10:18:36 +0200702
Johannes Berg47846c92009-11-25 17:46:19 +0100703 sprintf(buf, "netdev:%s", sdata->name);
Johannes Berg7c8081e2007-06-21 18:30:19 +0200704 if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
Johannes Bergbdcbd8e2012-06-22 11:29:50 +0200705 sdata_err(sdata,
706 "debugfs: failed to rename debugfs dir to %s\n",
707 buf);
Jiri Bence9f207f2007-05-05 11:46:38 -0700708}