blob: cafe614ef93d672087fb66a1d82aaff4110cc22c [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
Ben Greear78e443e2013-03-25 11:19:34 -0700127#define IEEE80211_IF_FMT_JIFFIES_TO_MS(name, field) \
128static ssize_t ieee80211_if_fmt_##name( \
129 const struct ieee80211_sub_if_data *sdata, \
130 char *buf, int buflen) \
131{ \
132 return scnprintf(buf, buflen, "%d\n", \
133 jiffies_to_msecs(sdata->field)); \
134}
135
Johannes Berg0f782312009-12-01 13:37:02 +0100136#define __IEEE80211_IF_FILE(name, _write) \
Jiri Bence9f207f2007-05-05 11:46:38 -0700137static ssize_t ieee80211_if_read_##name(struct file *file, \
138 char __user *userbuf, \
139 size_t count, loff_t *ppos) \
140{ \
141 return ieee80211_if_read(file->private_data, \
142 userbuf, count, ppos, \
143 ieee80211_if_fmt_##name); \
144} \
145static const struct file_operations name##_ops = { \
146 .read = ieee80211_if_read_##name, \
Johannes Berg0f782312009-12-01 13:37:02 +0100147 .write = (_write), \
Stephen Boyd234e3402012-04-05 14:25:11 -0700148 .open = simple_open, \
Arnd Bergmann2b18ab362010-07-06 19:05:31 +0200149 .llseek = generic_file_llseek, \
Jiri Bence9f207f2007-05-05 11:46:38 -0700150}
151
Johannes Berg0f782312009-12-01 13:37:02 +0100152#define __IEEE80211_IF_FILE_W(name) \
153static ssize_t ieee80211_if_write_##name(struct file *file, \
154 const char __user *userbuf, \
155 size_t count, loff_t *ppos) \
156{ \
157 return ieee80211_if_write(file->private_data, userbuf, count, \
158 ppos, ieee80211_if_parse_##name); \
159} \
160__IEEE80211_IF_FILE(name, ieee80211_if_write_##name)
161
162
Jiri Bence9f207f2007-05-05 11:46:38 -0700163#define IEEE80211_IF_FILE(name, field, format) \
164 IEEE80211_IF_FMT_##format(name, field) \
Johannes Berg0f782312009-12-01 13:37:02 +0100165 __IEEE80211_IF_FILE(name, NULL)
Jiri Bence9f207f2007-05-05 11:46:38 -0700166
167/* common attributes */
Jiri Bence9f207f2007-05-05 11:46:38 -0700168IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
Jouni Malinen37eb0b12010-01-06 13:09:08 +0200169IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
170 HEX);
171IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
172 HEX);
Simon Wunderlich19468412012-01-28 17:25:33 +0100173IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
174 rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
175IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
176 rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
177
Ben Greear4914b3b2011-01-27 22:09:34 -0800178IEEE80211_IF_FILE(flags, flags, HEX);
179IEEE80211_IF_FILE(state, state, LHEX);
Johannes Berg1ea6f9c2012-10-24 10:59:25 +0200180IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
181IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
182IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
Jiri Bence9f207f2007-05-05 11:46:38 -0700183
Johannes Berg08643312012-11-08 15:29:28 +0100184static ssize_t
185ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
186 char *buf, int buflen)
187{
188 int len;
189
190 len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
191 sdata->vif.hw_queue[IEEE80211_AC_VO],
192 sdata->vif.hw_queue[IEEE80211_AC_VI],
193 sdata->vif.hw_queue[IEEE80211_AC_BE],
194 sdata->vif.hw_queue[IEEE80211_AC_BK]);
195
196 if (sdata->vif.type == NL80211_IFTYPE_AP)
197 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
198 sdata->vif.cab_queue);
199
200 return len;
201}
202__IEEE80211_IF_FILE(hw_queues, NULL);
203
Johannes Berg46900292009-02-15 12:44:28 +0100204/* STA attributes */
Johannes Berg46900292009-02-15 12:44:28 +0100205IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
Johannes Berg46900292009-02-15 12:44:28 +0100206IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
Jouni Malinen17e4ec12010-03-29 23:28:30 -0700207IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
208IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
Ben Greear78e443e2013-03-25 11:19:34 -0700209IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
Jiri Bence9f207f2007-05-05 11:46:38 -0700210
Johannes Berg0f782312009-12-01 13:37:02 +0100211static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
212 enum ieee80211_smps_mode smps_mode)
213{
214 struct ieee80211_local *local = sdata->local;
215 int err;
216
217 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
218 smps_mode == IEEE80211_SMPS_STATIC)
219 return -EINVAL;
220
221 /* auto should be dynamic if in PS mode */
222 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
223 (smps_mode == IEEE80211_SMPS_DYNAMIC ||
224 smps_mode == IEEE80211_SMPS_AUTOMATIC))
225 return -EINVAL;
226
227 /* supported only on managed interfaces for now */
228 if (sdata->vif.type != NL80211_IFTYPE_STATION)
229 return -EOPNOTSUPP;
230
Johannes Berg8d61ffa2013-05-10 12:32:47 +0200231 sdata_lock(sdata);
Johannes Berg0f782312009-12-01 13:37:02 +0100232 err = __ieee80211_request_smps(sdata, smps_mode);
Johannes Berg8d61ffa2013-05-10 12:32:47 +0200233 sdata_unlock(sdata);
Johannes Berg0f782312009-12-01 13:37:02 +0100234
235 return err;
236}
237
238static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
239 [IEEE80211_SMPS_AUTOMATIC] = "auto",
240 [IEEE80211_SMPS_OFF] = "off",
241 [IEEE80211_SMPS_STATIC] = "static",
242 [IEEE80211_SMPS_DYNAMIC] = "dynamic",
243};
244
245static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
246 char *buf, int buflen)
247{
248 if (sdata->vif.type != NL80211_IFTYPE_STATION)
249 return -EOPNOTSUPP;
250
251 return snprintf(buf, buflen, "request: %s\nused: %s\n",
252 smps_modes[sdata->u.mgd.req_smps],
Johannes Berg04ecd252012-09-11 14:34:12 +0200253 smps_modes[sdata->smps_mode]);
Johannes Berg0f782312009-12-01 13:37:02 +0100254}
255
256static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
257 const char *buf, int buflen)
258{
259 enum ieee80211_smps_mode mode;
260
261 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
262 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
263 int err = ieee80211_set_smps(sdata, mode);
264 if (!err)
265 return buflen;
266 return err;
267 }
268 }
269
270 return -EINVAL;
271}
272
273__IEEE80211_IF_FILE_W(smps);
274
Jouni Malinen681d1192011-02-03 18:35:19 +0200275static ssize_t ieee80211_if_fmt_tkip_mic_test(
276 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
277{
278 return -EOPNOTSUPP;
279}
280
Jouni Malinen681d1192011-02-03 18:35:19 +0200281static ssize_t ieee80211_if_parse_tkip_mic_test(
282 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
283{
284 struct ieee80211_local *local = sdata->local;
285 u8 addr[ETH_ALEN];
286 struct sk_buff *skb;
287 struct ieee80211_hdr *hdr;
288 __le16 fc;
289
Johannes Berg28656a12012-11-05 20:24:38 +0100290 if (!mac_pton(buf, addr))
Jouni Malinen681d1192011-02-03 18:35:19 +0200291 return -EINVAL;
292
293 if (!ieee80211_sdata_running(sdata))
294 return -ENOTCONN;
295
296 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
297 if (!skb)
298 return -ENOMEM;
299 skb_reserve(skb, local->hw.extra_tx_headroom);
300
301 hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
302 memset(hdr, 0, 24);
303 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
304
305 switch (sdata->vif.type) {
306 case NL80211_IFTYPE_AP:
307 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
308 /* DA BSSID SA */
309 memcpy(hdr->addr1, addr, ETH_ALEN);
310 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
311 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
312 break;
313 case NL80211_IFTYPE_STATION:
314 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
315 /* BSSID SA DA */
Johannes Berg8d61ffa2013-05-10 12:32:47 +0200316 sdata_lock(sdata);
Johannes Berg41c97a22012-11-05 20:27:57 +0100317 if (!sdata->u.mgd.associated) {
Johannes Berg8d61ffa2013-05-10 12:32:47 +0200318 sdata_unlock(sdata);
Jouni Malinen681d1192011-02-03 18:35:19 +0200319 dev_kfree_skb(skb);
320 return -ENOTCONN;
321 }
Johannes Berg41c97a22012-11-05 20:27:57 +0100322 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
Jouni Malinen681d1192011-02-03 18:35:19 +0200323 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
324 memcpy(hdr->addr3, addr, ETH_ALEN);
Johannes Berg8d61ffa2013-05-10 12:32:47 +0200325 sdata_unlock(sdata);
Jouni Malinen681d1192011-02-03 18:35:19 +0200326 break;
327 default:
328 dev_kfree_skb(skb);
329 return -EOPNOTSUPP;
330 }
331 hdr->frame_control = fc;
332
333 /*
334 * Add some length to the test frame to make it look bit more valid.
335 * The exact contents does not matter since the recipient is required
336 * to drop this because of the Michael MIC failure.
337 */
338 memset(skb_put(skb, 50), 0, 50);
339
340 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
341
342 ieee80211_tx_skb(sdata, skb);
343
344 return buflen;
345}
346
347__IEEE80211_IF_FILE_W(tkip_mic_test);
348
Eliad Pellerdc41e4d2012-03-14 16:15:03 +0200349static ssize_t ieee80211_if_fmt_uapsd_queues(
350 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
351{
352 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
353
354 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
355}
356
357static ssize_t ieee80211_if_parse_uapsd_queues(
358 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
359{
360 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
361 u8 val;
362 int ret;
363
364 ret = kstrtou8(buf, 0, &val);
365 if (ret)
366 return ret;
367
368 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
369 return -ERANGE;
370
371 ifmgd->uapsd_queues = val;
372
373 return buflen;
374}
375__IEEE80211_IF_FILE_W(uapsd_queues);
376
377static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
378 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
379{
380 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
381
382 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
383}
384
385static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
386 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
387{
388 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
389 unsigned long val;
390 int ret;
391
392 ret = kstrtoul(buf, 0, &val);
393 if (ret)
394 return -EINVAL;
395
396 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
397 return -ERANGE;
398
399 ifmgd->uapsd_max_sp_len = val;
400
401 return buflen;
402}
403__IEEE80211_IF_FILE_W(uapsd_max_sp_len);
404
Jiri Bence9f207f2007-05-05 11:46:38 -0700405/* AP attributes */
Felix Fietkau030ef8f2012-04-23 19:49:02 +0200406IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
Marco Porschd012a602012-10-10 12:39:50 -0700407IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
408IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
Jiri Bence9f207f2007-05-05 11:46:38 -0700409
410static ssize_t ieee80211_if_fmt_num_buffered_multicast(
411 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
412{
413 return scnprintf(buf, buflen, "%u\n",
Marco Porschd012a602012-10-10 12:39:50 -0700414 skb_queue_len(&sdata->u.ap.ps.bc_buf));
Jiri Bence9f207f2007-05-05 11:46:38 -0700415}
Johannes Berg0f782312009-12-01 13:37:02 +0100416__IEEE80211_IF_FILE(num_buffered_multicast, NULL);
Jiri Bence9f207f2007-05-05 11:46:38 -0700417
Eliad Peller37a41b42011-09-21 14:06:11 +0300418/* IBSS attributes */
419static ssize_t ieee80211_if_fmt_tsf(
420 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
421{
422 struct ieee80211_local *local = sdata->local;
423 u64 tsf;
424
425 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
426
427 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
428}
429
430static ssize_t ieee80211_if_parse_tsf(
431 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
432{
433 struct ieee80211_local *local = sdata->local;
434 unsigned long long tsf;
435 int ret;
Javier Cardona9bdd3a62012-03-31 11:31:31 -0700436 int tsf_is_delta = 0;
Eliad Peller37a41b42011-09-21 14:06:11 +0300437
438 if (strncmp(buf, "reset", 5) == 0) {
439 if (local->ops->reset_tsf) {
440 drv_reset_tsf(local, sdata);
441 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
442 }
443 } else {
Javier Cardona9bdd3a62012-03-31 11:31:31 -0700444 if (buflen > 10 && buf[1] == '=') {
445 if (buf[0] == '+')
446 tsf_is_delta = 1;
447 else if (buf[0] == '-')
448 tsf_is_delta = -1;
449 else
450 return -EINVAL;
451 buf += 2;
452 }
Eliad Peller37a41b42011-09-21 14:06:11 +0300453 ret = kstrtoull(buf, 10, &tsf);
454 if (ret < 0)
Johannes Berg6fc1da92012-11-05 20:30:39 +0100455 return ret;
Javier Cardona9bdd3a62012-03-31 11:31:31 -0700456 if (tsf_is_delta)
457 tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
Eliad Peller37a41b42011-09-21 14:06:11 +0300458 if (local->ops->set_tsf) {
459 drv_set_tsf(local, sdata, tsf);
460 wiphy_info(local->hw.wiphy,
461 "debugfs set TSF to %#018llx\n", tsf);
462 }
463 }
464
465 return buflen;
466}
467__IEEE80211_IF_FILE_W(tsf);
468
469
Jiri Bence9f207f2007-05-05 11:46:38 -0700470/* WDS attributes */
471IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
472
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100473#ifdef CONFIG_MAC80211_MESH
Ashok Nagarajand4a5a482013-05-13 17:08:04 -0700474IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
475
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100476/* Mesh stats attributes */
Daniel Walkerc8a61a72009-08-18 10:59:00 -0700477IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
478IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
Johannes Berg472dbc42008-09-11 00:01:49 +0200479IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
480IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
Javier Cardonacfee66b2011-09-06 13:05:21 -0700481IEEE80211_IF_FILE(dropped_frames_congestion,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800482 u.mesh.mshstats.dropped_frames_congestion, DEC);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100483IEEE80211_IF_FILE(dropped_frames_no_route,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800484 u.mesh.mshstats.dropped_frames_no_route, DEC);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100485
486/* Mesh parameters */
Johannes Berg36ff3822008-10-07 12:04:31 +0200487IEEE80211_IF_FILE(dot11MeshMaxRetries,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800488 u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200489IEEE80211_IF_FILE(dot11MeshRetryTimeout,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800490 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200491IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800492 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200493IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800494 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200495IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
Javier Cardona45904f22010-12-03 09:20:40 +0100496IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200497IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
498IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800499 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200500IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800501 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200502IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800503 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
Thomas Pedersendca7e942011-11-24 17:15:24 -0800504IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800505 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200506IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800507 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200508IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800509 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200510IEEE80211_IF_FILE(path_refresh_time,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800511 u.mesh.mshcfg.path_refresh_time, DEC);
Johannes Berg36ff3822008-10-07 12:04:31 +0200512IEEE80211_IF_FILE(min_discovery_timeout,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800513 u.mesh.mshcfg.min_discovery_timeout, DEC);
Rui Paulo63c57232009-11-09 23:46:57 +0000514IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800515 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
Javier Cardona16dd7262011-08-09 16:45:11 -0700516IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800517 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
Javier Cardona0507e152011-08-09 16:45:10 -0700518IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +0800519 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
Chun-Yeow Yeoh94f90652012-01-21 01:02:16 +0800520IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
Ashok Nagarajan55335132012-02-28 17:04:08 -0800521IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
Ashok Nagarajan4416f5d2012-05-07 21:00:32 -0700522IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
Chun-Yeow Yeohac1073a2012-06-14 02:06:06 +0800523IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
524 u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
525IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
526 u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
Chun-Yeow Yeoh728b19e2012-06-14 02:06:10 +0800527IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
528 u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
Marco Porsch3f52b7e2013-01-30 18:14:08 +0100529IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
530IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
531 u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100532#endif
533
Johannes Berg0f782312009-12-01 13:37:02 +0100534#define DEBUGFS_ADD_MODE(name, mode) \
Stanislaw Gruszkaddbfe862013-03-08 14:46:14 +0100535 debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
Johannes Berg0f782312009-12-01 13:37:02 +0100536 sdata, &name##_ops);
537
Felix Fietkaufcb2c9e2012-03-18 22:58:05 +0100538#define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
539
540static void add_common_files(struct ieee80211_sub_if_data *sdata)
Jiri Bence9f207f2007-05-05 11:46:38 -0700541{
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100542 DEBUGFS_ADD(drop_unencrypted);
543 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
544 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
Simon Wunderlich19468412012-01-28 17:25:33 +0100545 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
546 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
Johannes Berg08643312012-11-08 15:29:28 +0100547 DEBUGFS_ADD(hw_queues);
Felix Fietkaufcb2c9e2012-03-18 22:58:05 +0100548}
Johannes Berg3e122be2008-07-09 14:40:34 +0200549
Felix Fietkaufcb2c9e2012-03-18 22:58:05 +0100550static void add_sta_files(struct ieee80211_sub_if_data *sdata)
551{
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100552 DEBUGFS_ADD(bssid);
553 DEBUGFS_ADD(aid);
Jouni Malinen17e4ec12010-03-29 23:28:30 -0700554 DEBUGFS_ADD(last_beacon);
555 DEBUGFS_ADD(ave_beacon);
Ben Greear78e443e2013-03-25 11:19:34 -0700556 DEBUGFS_ADD(beacon_timeout);
Johannes Berg0f782312009-12-01 13:37:02 +0100557 DEBUGFS_ADD_MODE(smps, 0600);
Jouni Malinen681d1192011-02-03 18:35:19 +0200558 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
Eliad Pellerdc41e4d2012-03-14 16:15:03 +0200559 DEBUGFS_ADD_MODE(uapsd_queues, 0600);
560 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
Jiri Bence9f207f2007-05-05 11:46:38 -0700561}
562
563static void add_ap_files(struct ieee80211_sub_if_data *sdata)
564{
Felix Fietkau030ef8f2012-04-23 19:49:02 +0200565 DEBUGFS_ADD(num_mcast_sta);
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100566 DEBUGFS_ADD(num_sta_ps);
567 DEBUGFS_ADD(dtim_count);
568 DEBUGFS_ADD(num_buffered_multicast);
Jouni Malinen681d1192011-02-03 18:35:19 +0200569 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
Jiri Bence9f207f2007-05-05 11:46:38 -0700570}
571
Eliad Peller37a41b42011-09-21 14:06:11 +0300572static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
573{
574 DEBUGFS_ADD_MODE(tsf, 0600);
575}
576
Jiri Bence9f207f2007-05-05 11:46:38 -0700577static void add_wds_files(struct ieee80211_sub_if_data *sdata)
578{
Johannes Berg2d46d7c2010-01-10 17:12:41 +0100579 DEBUGFS_ADD(peer);
Jiri Bence9f207f2007-05-05 11:46:38 -0700580}
581
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100582#ifdef CONFIG_MAC80211_MESH
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100583
Javier Cardona12ce8ba2012-03-05 17:20:38 -0800584static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
585{
586 DEBUGFS_ADD_MODE(tsf, 0600);
Ashok Nagarajand4a5a482013-05-13 17:08:04 -0700587 DEBUGFS_ADD_MODE(estab_plinks, 0400);
Javier Cardona12ce8ba2012-03-05 17:20:38 -0800588}
589
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100590static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
591{
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100592 struct dentry *dir = debugfs_create_dir("mesh_stats",
Stanislaw Gruszkaddbfe862013-03-08 14:46:14 +0100593 sdata->vif.debugfs_dir);
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100594#define MESHSTATS_ADD(name)\
595 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
596
Daniel Walkerc8a61a72009-08-18 10:59:00 -0700597 MESHSTATS_ADD(fwded_mcast);
598 MESHSTATS_ADD(fwded_unicast);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100599 MESHSTATS_ADD(fwded_frames);
600 MESHSTATS_ADD(dropped_frames_ttl);
601 MESHSTATS_ADD(dropped_frames_no_route);
Javier Cardonacfee66b2011-09-06 13:05:21 -0700602 MESHSTATS_ADD(dropped_frames_congestion);
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100603#undef MESHSTATS_ADD
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100604}
605
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100606static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
607{
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100608 struct dentry *dir = debugfs_create_dir("mesh_config",
Stanislaw Gruszkaddbfe862013-03-08 14:46:14 +0100609 sdata->vif.debugfs_dir);
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100610
611#define MESHPARAMS_ADD(name) \
612 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
613
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100614 MESHPARAMS_ADD(dot11MeshMaxRetries);
615 MESHPARAMS_ADD(dot11MeshRetryTimeout);
616 MESHPARAMS_ADD(dot11MeshConfirmTimeout);
617 MESHPARAMS_ADD(dot11MeshHoldingTimeout);
618 MESHPARAMS_ADD(dot11MeshTTL);
Javier Cardona45904f22010-12-03 09:20:40 +0100619 MESHPARAMS_ADD(element_ttl);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100620 MESHPARAMS_ADD(auto_open_plinks);
621 MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
622 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
623 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
Thomas Pedersendca7e942011-11-24 17:15:24 -0800624 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100625 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
626 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
627 MESHPARAMS_ADD(path_refresh_time);
628 MESHPARAMS_ADD(min_discovery_timeout);
Javier Cardona699403d2011-08-09 16:45:09 -0700629 MESHPARAMS_ADD(dot11MeshHWMPRootMode);
Javier Cardona0507e152011-08-09 16:45:10 -0700630 MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
Chun-Yeow Yeoh8c06e8c2012-05-31 18:17:30 +0800631 MESHPARAMS_ADD(dot11MeshForwarding);
Javier Cardona16dd7262011-08-09 16:45:11 -0700632 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
Ashok Nagarajan55335132012-02-28 17:04:08 -0800633 MESHPARAMS_ADD(rssi_threshold);
Ashok Nagarajan4416f5d2012-05-07 21:00:32 -0700634 MESHPARAMS_ADD(ht_opmode);
Chun-Yeow Yeohac1073a2012-06-14 02:06:06 +0800635 MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
636 MESHPARAMS_ADD(dot11MeshHWMProotInterval);
Chun-Yeow Yeoh728b19e2012-06-14 02:06:10 +0800637 MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
Marco Porsch3f52b7e2013-01-30 18:14:08 +0100638 MESHPARAMS_ADD(power_mode);
639 MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100640#undef MESHPARAMS_ADD
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100641}
642#endif
643
Jiri Bence9f207f2007-05-05 11:46:38 -0700644static void add_files(struct ieee80211_sub_if_data *sdata)
645{
Stanislaw Gruszkaddbfe862013-03-08 14:46:14 +0100646 if (!sdata->vif.debugfs_dir)
Jiri Bence9f207f2007-05-05 11:46:38 -0700647 return;
648
Felix Fietkaufcb2c9e2012-03-18 22:58:05 +0100649 DEBUGFS_ADD(flags);
650 DEBUGFS_ADD(state);
Johannes Berg1ea6f9c2012-10-24 10:59:25 +0200651 DEBUGFS_ADD(txpower);
652 DEBUGFS_ADD(user_power_level);
653 DEBUGFS_ADD(ap_power_level);
Felix Fietkaufcb2c9e2012-03-18 22:58:05 +0100654
655 if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
656 add_common_files(sdata);
657
Johannes Berg51fb61e2007-12-19 01:31:27 +0100658 switch (sdata->vif.type) {
Johannes Berg05c914f2008-09-11 00:01:58 +0200659 case NL80211_IFTYPE_MESH_POINT:
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100660#ifdef CONFIG_MAC80211_MESH
Javier Cardona12ce8ba2012-03-05 17:20:38 -0800661 add_mesh_files(sdata);
Luis Carlos Cobo9f42f602008-02-23 15:17:16 +0100662 add_mesh_stats(sdata);
663 add_mesh_config(sdata);
664#endif
Johannes Berg472dbc42008-09-11 00:01:49 +0200665 break;
Johannes Berg05c914f2008-09-11 00:01:58 +0200666 case NL80211_IFTYPE_STATION:
Jiri Bence9f207f2007-05-05 11:46:38 -0700667 add_sta_files(sdata);
668 break;
Johannes Berg46900292009-02-15 12:44:28 +0100669 case NL80211_IFTYPE_ADHOC:
Eliad Peller37a41b42011-09-21 14:06:11 +0300670 add_ibss_files(sdata);
Johannes Berg46900292009-02-15 12:44:28 +0100671 break;
Johannes Berg05c914f2008-09-11 00:01:58 +0200672 case NL80211_IFTYPE_AP:
Jiri Bence9f207f2007-05-05 11:46:38 -0700673 add_ap_files(sdata);
674 break;
Johannes Berg05c914f2008-09-11 00:01:58 +0200675 case NL80211_IFTYPE_WDS:
Jiri Bence9f207f2007-05-05 11:46:38 -0700676 add_wds_files(sdata);
677 break;
Jiri Bence9f207f2007-05-05 11:46:38 -0700678 default:
679 break;
680 }
681}
682
Jiri Bence9f207f2007-05-05 11:46:38 -0700683void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
684{
685 char buf[10+IFNAMSIZ];
686
Johannes Berg47846c92009-11-25 17:46:19 +0100687 sprintf(buf, "netdev:%s", sdata->name);
Stanislaw Gruszkaddbfe862013-03-08 14:46:14 +0100688 sdata->vif.debugfs_dir = debugfs_create_dir(buf,
Jiri Bence9f207f2007-05-05 11:46:38 -0700689 sdata->local->hw.wiphy->debugfsdir);
Stanislaw Gruszkaddbfe862013-03-08 14:46:14 +0100690 if (sdata->vif.debugfs_dir)
Ben Greear295bafb2010-09-22 20:29:01 -0700691 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
Stanislaw Gruszkaddbfe862013-03-08 14:46:14 +0100692 sdata->vif.debugfs_dir);
Johannes Berg75636522008-07-09 14:40:35 +0200693 add_files(sdata);
Jiri Bence9f207f2007-05-05 11:46:38 -0700694}
695
696void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
697{
Stanislaw Gruszkaddbfe862013-03-08 14:46:14 +0100698 if (!sdata->vif.debugfs_dir)
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100699 return;
700
Stanislaw Gruszkaddbfe862013-03-08 14:46:14 +0100701 debugfs_remove_recursive(sdata->vif.debugfs_dir);
702 sdata->vif.debugfs_dir = NULL;
Jiri Bence9f207f2007-05-05 11:46:38 -0700703}
704
Johannes Berg47846c92009-11-25 17:46:19 +0100705void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
Jiri Bence9f207f2007-05-05 11:46:38 -0700706{
Johannes Berg7c8081e2007-06-21 18:30:19 +0200707 struct dentry *dir;
Johannes Berg47846c92009-11-25 17:46:19 +0100708 char buf[10 + IFNAMSIZ];
Johannes Berg3e122be2008-07-09 14:40:34 +0200709
Stanislaw Gruszkaddbfe862013-03-08 14:46:14 +0100710 dir = sdata->vif.debugfs_dir;
Johannes Bergc74e90a2008-10-08 10:18:36 +0200711
712 if (!dir)
Johannes Berg47846c92009-11-25 17:46:19 +0100713 return;
Johannes Bergc74e90a2008-10-08 10:18:36 +0200714
Johannes Berg47846c92009-11-25 17:46:19 +0100715 sprintf(buf, "netdev:%s", sdata->name);
Johannes Berg7c8081e2007-06-21 18:30:19 +0200716 if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
Johannes Bergbdcbd8e2012-06-22 11:29:50 +0200717 sdata_err(sdata,
718 "debugfs: failed to rename debugfs dir to %s\n",
719 buf);
Jiri Bence9f207f2007-05-05 11:46:38 -0700720}