blob: c7591f73dbc33296ae26972d87363c2be2e1839c [file] [log] [blame]
Jiri Bence9f207f2007-05-05 11:46:38 -07001/*
2 * Copyright 2003-2005 Devicescape Software, Inc.
3 * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
4 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#include <linux/debugfs.h>
12#include <linux/ieee80211.h>
13#include "ieee80211_i.h"
14#include "debugfs.h"
15#include "debugfs_sta.h"
16#include "sta_info.h"
Sujith Manoharan77d2ece2012-11-20 08:46:02 +053017#include "driver-ops.h"
Jiri Bence9f207f2007-05-05 11:46:38 -070018
19/* sta attributtes */
20
Eliad Peller07caf9d2010-10-27 14:58:29 +020021#define STA_READ(name, field, format_string) \
Jiri Bence9f207f2007-05-05 11:46:38 -070022static ssize_t sta_ ##name## _read(struct file *file, \
23 char __user *userbuf, \
24 size_t count, loff_t *ppos) \
25{ \
Jiri Bence9f207f2007-05-05 11:46:38 -070026 struct sta_info *sta = file->private_data; \
Eliad Peller07caf9d2010-10-27 14:58:29 +020027 return mac80211_format_buffer(userbuf, count, ppos, \
28 format_string, sta->field); \
Jiri Bence9f207f2007-05-05 11:46:38 -070029}
Eliad Peller07caf9d2010-10-27 14:58:29 +020030#define STA_READ_D(name, field) STA_READ(name, field, "%d\n")
31#define STA_READ_U(name, field) STA_READ(name, field, "%u\n")
32#define STA_READ_S(name, field) STA_READ(name, field, "%s\n")
Jiri Bence9f207f2007-05-05 11:46:38 -070033
Jiri Bence9f207f2007-05-05 11:46:38 -070034#define STA_OPS(name) \
35static const struct file_operations sta_ ##name## _ops = { \
36 .read = sta_##name##_read, \
Stephen Boyd234e3402012-04-05 14:25:11 -070037 .open = simple_open, \
Arnd Bergmann2b18ab362010-07-06 19:05:31 +020038 .llseek = generic_file_llseek, \
Jiri Bence9f207f2007-05-05 11:46:38 -070039}
40
Johannes Berga75b4362010-05-01 18:53:51 +020041#define STA_OPS_RW(name) \
42static const struct file_operations sta_ ##name## _ops = { \
43 .read = sta_##name##_read, \
44 .write = sta_##name##_write, \
Stephen Boyd234e3402012-04-05 14:25:11 -070045 .open = simple_open, \
Arnd Bergmann2b18ab362010-07-06 19:05:31 +020046 .llseek = generic_file_llseek, \
Johannes Berga75b4362010-05-01 18:53:51 +020047}
48
Jiri Bence9f207f2007-05-05 11:46:38 -070049#define STA_FILE(name, field, format) \
50 STA_READ_##format(name, field) \
51 STA_OPS(name)
52
Johannes Berg17741cd2008-09-11 00:02:02 +020053STA_FILE(aid, sta.aid, D);
Johannes Berg47846c92009-11-25 17:46:19 +010054STA_FILE(dev, sdata->name, S);
Jiri Bence9f207f2007-05-05 11:46:38 -070055STA_FILE(last_signal, last_signal, D);
Saravanadb943572012-11-28 18:27:09 +053056STA_FILE(last_ack_signal, last_ack_signal, D);
Jiri Bence9f207f2007-05-05 11:46:38 -070057
58static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
59 size_t count, loff_t *ppos)
60{
Johannes Berg5bade102011-09-29 16:04:37 +020061 char buf[121];
Jiri Bence9f207f2007-05-05 11:46:38 -070062 struct sta_info *sta = file->private_data;
Johannes Bergc2c98fd2011-09-29 16:04:36 +020063
Johannes Berg5bade102011-09-29 16:04:37 +020064#define TEST(flg) \
65 test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
66
67 int res = scnprintf(buf, sizeof(buf),
Marco Porsch3f52b7e2013-01-30 18:14:08 +010068 "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
Johannes Berg5bade102011-09-29 16:04:37 +020069 TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
70 TEST(PS_DRIVER), TEST(AUTHORIZED),
Johannes Bergfb4431b2011-11-17 16:23:29 +010071 TEST(SHORT_PREAMBLE),
Johannes Berg5bade102011-09-29 16:04:37 +020072 TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT),
73 TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
74 TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
Johannes Berg83d5cc02012-01-12 09:31:10 +010075 TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT),
Javier Cardonadbf498f2012-03-31 11:31:32 -070076 TEST(INSERTED), TEST(RATE_CONTROL),
Marco Porsch3f52b7e2013-01-30 18:14:08 +010077 TEST(TOFFSET_KNOWN), TEST(MPSP_OWNER),
78 TEST(MPSP_RECIPIENT));
Johannes Berg5bade102011-09-29 16:04:37 +020079#undef TEST
Jiri Bence9f207f2007-05-05 11:46:38 -070080 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
81}
82STA_OPS(flags);
83
84static ssize_t sta_num_ps_buf_frames_read(struct file *file,
85 char __user *userbuf,
86 size_t count, loff_t *ppos)
87{
Jiri Bence9f207f2007-05-05 11:46:38 -070088 struct sta_info *sta = file->private_data;
Johannes Berg948d8872011-09-29 16:04:29 +020089 char buf[17*IEEE80211_NUM_ACS], *p = buf;
90 int ac;
91
92 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
93 p += scnprintf(p, sizeof(buf)+buf-p, "AC%d: %d\n", ac,
94 skb_queue_len(&sta->ps_tx_buf[ac]) +
95 skb_queue_len(&sta->tx_filtered[ac]));
96 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
Jiri Bence9f207f2007-05-05 11:46:38 -070097}
98STA_OPS(num_ps_buf_frames);
99
Jiri Bence9f207f2007-05-05 11:46:38 -0700100static ssize_t sta_inactive_ms_read(struct file *file, char __user *userbuf,
101 size_t count, loff_t *ppos)
102{
Jiri Bence9f207f2007-05-05 11:46:38 -0700103 struct sta_info *sta = file->private_data;
Eliad Peller07caf9d2010-10-27 14:58:29 +0200104 return mac80211_format_buffer(userbuf, count, ppos, "%d\n",
105 jiffies_to_msecs(jiffies - sta->last_rx));
Jiri Bence9f207f2007-05-05 11:46:38 -0700106}
107STA_OPS(inactive_ms);
108
Mohammed Shafi Shajakhanebe27c92011-04-08 21:24:24 +0530109
110static ssize_t sta_connected_time_read(struct file *file, char __user *userbuf,
111 size_t count, loff_t *ppos)
112{
113 struct sta_info *sta = file->private_data;
114 struct timespec uptime;
115 struct tm result;
116 long connected_time_secs;
117 char buf[100];
118 int res;
119 do_posix_clock_monotonic_gettime(&uptime);
120 connected_time_secs = uptime.tv_sec - sta->last_connected;
121 time_to_tm(connected_time_secs, 0, &result);
122 result.tm_year -= 70;
123 result.tm_mday -= 1;
124 res = scnprintf(buf, sizeof(buf),
Randy Dunlap7762bb02011-04-15 16:20:05 -0700125 "years - %ld\nmonths - %d\ndays - %d\nclock - %d:%d:%d\n\n",
Mohammed Shafi Shajakhanebe27c92011-04-08 21:24:24 +0530126 result.tm_year, result.tm_mon, result.tm_mday,
127 result.tm_hour, result.tm_min, result.tm_sec);
128 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
129}
130STA_OPS(connected_time);
131
132
133
Jiri Bence9f207f2007-05-05 11:46:38 -0700134static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf,
135 size_t count, loff_t *ppos)
136{
Johannes Berg5a306f52012-11-14 23:22:21 +0100137 char buf[15*IEEE80211_NUM_TIDS], *p = buf;
Jiri Bence9f207f2007-05-05 11:46:38 -0700138 int i;
139 struct sta_info *sta = file->private_data;
Johannes Berg5a306f52012-11-14 23:22:21 +0100140 for (i = 0; i < IEEE80211_NUM_TIDS; i++)
Jiri Bence9f207f2007-05-05 11:46:38 -0700141 p += scnprintf(p, sizeof(buf)+buf-p, "%x ",
Zhu Yiba9b07d2007-07-27 15:43:23 +0200142 le16_to_cpu(sta->last_seq_ctrl[i]));
Jiri Bence9f207f2007-05-05 11:46:38 -0700143 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
144 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
145}
146STA_OPS(last_seq_ctrl);
147
Ron Rindjunskyeb2ba622008-01-28 14:07:20 +0200148static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
149 size_t count, loff_t *ppos)
150{
Johannes Berg5a306f52012-11-14 23:22:21 +0100151 char buf[71 + IEEE80211_NUM_TIDS * 40], *p = buf;
Ron Rindjunskyeb2ba622008-01-28 14:07:20 +0200152 int i;
153 struct sta_info *sta = file->private_data;
Johannes Bergdd318572010-11-29 11:09:16 +0100154 struct tid_ampdu_rx *tid_rx;
155 struct tid_ampdu_tx *tid_tx;
Ron Rindjunskyeb2ba622008-01-28 14:07:20 +0200156
Johannes Bergdd318572010-11-29 11:09:16 +0100157 rcu_read_lock();
158
Pavel Roskine0b20f12010-01-30 19:55:27 -0500159 p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n",
Johannes Berg386aa232009-06-17 17:28:45 +0200160 sta->ampdu_mlme.dialog_token_allocator + 1);
Pavel Roskine0b20f12010-01-30 19:55:27 -0500161 p += scnprintf(p, sizeof(buf) + buf - p,
Johannes Berg0ab33702010-06-10 10:21:42 +0200162 "TID\t\tRX active\tDTKN\tSSN\t\tTX\tDTKN\tpending\n");
Ron Rindjunskyeb2ba622008-01-28 14:07:20 +0200163
Johannes Berg5a306f52012-11-14 23:22:21 +0100164 for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
Johannes Bergdd318572010-11-29 11:09:16 +0100165 tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]);
166 tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]);
167
168 p += scnprintf(p, sizeof(buf) + buf - p, "%02d", i);
169 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_rx);
Pavel Roskine0b20f12010-01-30 19:55:27 -0500170 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
Johannes Bergdd318572010-11-29 11:09:16 +0100171 tid_rx ? tid_rx->dialog_token : 0);
172 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.3x",
173 tid_rx ? tid_rx->ssn : 0);
174
175 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_tx);
176 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
177 tid_tx ? tid_tx->dialog_token : 0);
Pavel Roskine0b20f12010-01-30 19:55:27 -0500178 p += scnprintf(p, sizeof(buf) + buf - p, "\t%03d",
Johannes Bergdd318572010-11-29 11:09:16 +0100179 tid_tx ? skb_queue_len(&tid_tx->pending) : 0);
Pavel Roskine0b20f12010-01-30 19:55:27 -0500180 p += scnprintf(p, sizeof(buf) + buf - p, "\n");
Johannes Berg386aa232009-06-17 17:28:45 +0200181 }
Johannes Bergdd318572010-11-29 11:09:16 +0100182 rcu_read_unlock();
Ron Rindjunskyeb2ba622008-01-28 14:07:20 +0200183
184 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
185}
Johannes Berga75b4362010-05-01 18:53:51 +0200186
187static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf,
188 size_t count, loff_t *ppos)
189{
190 char _buf[12], *buf = _buf;
191 struct sta_info *sta = file->private_data;
192 bool start, tx;
193 unsigned long tid;
194 int ret;
195
196 if (count > sizeof(_buf))
197 return -EINVAL;
198
199 if (copy_from_user(buf, userbuf, count))
200 return -EFAULT;
201
202 buf[sizeof(_buf) - 1] = '\0';
203
204 if (strncmp(buf, "tx ", 3) == 0) {
205 buf += 3;
206 tx = true;
207 } else if (strncmp(buf, "rx ", 3) == 0) {
208 buf += 3;
209 tx = false;
210 } else
211 return -EINVAL;
212
213 if (strncmp(buf, "start ", 6) == 0) {
214 buf += 6;
215 start = true;
216 if (!tx)
217 return -EINVAL;
218 } else if (strncmp(buf, "stop ", 5) == 0) {
219 buf += 5;
220 start = false;
221 } else
222 return -EINVAL;
223
Abhijit Pawar4b5511e2012-12-09 23:12:28 +0000224 ret = kstrtoul(buf, 0, &tid);
225 if (ret)
226 return ret;
Johannes Berga75b4362010-05-01 18:53:51 +0200227
Johannes Berg5a306f52012-11-14 23:22:21 +0100228 if (tid >= IEEE80211_NUM_TIDS)
Johannes Berga75b4362010-05-01 18:53:51 +0200229 return -EINVAL;
230
231 if (tx) {
232 if (start)
Sujith Manoharanbd2ce6e2010-12-15 07:47:10 +0530233 ret = ieee80211_start_tx_ba_session(&sta->sta, tid, 5000);
Johannes Berga75b4362010-05-01 18:53:51 +0200234 else
Johannes Berg6a8579d2010-05-27 14:41:07 +0200235 ret = ieee80211_stop_tx_ba_session(&sta->sta, tid);
Johannes Berga75b4362010-05-01 18:53:51 +0200236 } else {
Johannes Berg53f73c02010-10-05 19:37:40 +0200237 __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
238 3, true);
Johannes Berga75b4362010-05-01 18:53:51 +0200239 ret = 0;
240 }
241
242 return ret ?: count;
243}
244STA_OPS_RW(agg_status);
Ron Rindjunskyeb2ba622008-01-28 14:07:20 +0200245
Johannes Berg64491f02009-11-19 14:26:11 +0100246static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
247 size_t count, loff_t *ppos)
248{
Luis R. Rodriguez7db94e22009-12-07 14:54:45 -0500249#define PRINT_HT_CAP(_cond, _str) \
250 do { \
251 if (_cond) \
252 p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \
253 } while (0)
Pavel Roskin4c82bf82010-01-30 19:55:09 -0500254 char buf[512], *p = buf;
Johannes Berg64491f02009-11-19 14:26:11 +0100255 int i;
256 struct sta_info *sta = file->private_data;
257 struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap;
258
259 p += scnprintf(p, sizeof(buf) + buf - p, "ht %ssupported\n",
260 htc->ht_supported ? "" : "not ");
261 if (htc->ht_supported) {
Luis R. Rodriguezcb136f52009-12-07 14:01:28 -0500262 p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.4x\n", htc->cap);
Luis R. Rodriguez7db94e22009-12-07 14:54:45 -0500263
Luis R. Rodriguezc15cf5f2010-04-08 16:08:46 -0400264 PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC");
Luis R. Rodriguez7db94e22009-12-07 14:54:45 -0500265 PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40");
266 PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20");
267
268 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 0, "Static SM Power Save");
269 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 1, "Dynamic SM Power Save");
270 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 3, "SM Power Save disabled");
271
272 PRINT_HT_CAP((htc->cap & BIT(4)), "RX Greenfield");
273 PRINT_HT_CAP((htc->cap & BIT(5)), "RX HT20 SGI");
274 PRINT_HT_CAP((htc->cap & BIT(6)), "RX HT40 SGI");
275 PRINT_HT_CAP((htc->cap & BIT(7)), "TX STBC");
276
277 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 0, "No RX STBC");
278 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 1, "RX STBC 1-stream");
279 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 2, "RX STBC 2-streams");
280 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 3, "RX STBC 3-streams");
281
282 PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack");
283
Luis R. Rodriguez7db94e22009-12-07 14:54:45 -0500284 PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: "
Ben Greear904603f2011-11-17 14:53:36 -0800285 "3839 bytes");
286 PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: "
Luis R. Rodriguez7db94e22009-12-07 14:54:45 -0500287 "7935 bytes");
288
289 /*
290 * For beacons and probe response this would mean the BSS
291 * does or does not allow the usage of DSSS/CCK HT40.
292 * Otherwise it means the STA does or does not use
293 * DSSS/CCK HT40.
294 */
295 PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40");
296 PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40");
297
298 /* BIT(13) is reserved */
299
300 PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant");
301
302 PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection");
303
Johannes Berg64491f02009-11-19 14:26:11 +0100304 p += scnprintf(p, sizeof(buf)+buf-p, "ampdu factor/density: %d/%d\n",
305 htc->ampdu_factor, htc->ampdu_density);
306 p += scnprintf(p, sizeof(buf)+buf-p, "MCS mask:");
Luis R. Rodriguez9da3e062009-12-07 15:57:50 -0500307
Johannes Berg64491f02009-11-19 14:26:11 +0100308 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
309 p += scnprintf(p, sizeof(buf)+buf-p, " %.2x",
310 htc->mcs.rx_mask[i]);
Luis R. Rodriguez9da3e062009-12-07 15:57:50 -0500311 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
312
313 /* If not set this is meaningless */
314 if (le16_to_cpu(htc->mcs.rx_highest)) {
315 p += scnprintf(p, sizeof(buf)+buf-p,
316 "MCS rx highest: %d Mbps\n",
317 le16_to_cpu(htc->mcs.rx_highest));
318 }
319
Johannes Berg64491f02009-11-19 14:26:11 +0100320 p += scnprintf(p, sizeof(buf)+buf-p, "MCS tx params: %x\n",
321 htc->mcs.tx_params);
322 }
323
324 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
325}
326STA_OPS(ht_capa);
327
Saravana91b8c052012-11-29 19:22:37 +0530328static ssize_t sta_current_tx_rate_read(struct file *file, char __user *userbuf,
329 size_t count, loff_t *ppos)
330{
331 struct sta_info *sta = file->private_data;
332 struct rate_info rinfo;
333 u16 rate;
334 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &rinfo);
335 rate = cfg80211_calculate_bitrate(&rinfo);
336
337 return mac80211_format_buffer(userbuf, count, ppos,
338 "%d.%d MBit/s\n",
339 rate/10, rate%10);
340}
341STA_OPS(current_tx_rate);
342
Saravana1f2e6512012-11-29 19:54:19 +0530343static ssize_t sta_last_rx_rate_read(struct file *file, char __user *userbuf,
344 size_t count, loff_t *ppos)
345{
346 struct sta_info *sta = file->private_data;
347 struct rate_info rinfo;
348 u16 rate;
349
350 sta_set_rate_info_rx(sta, &rinfo);
351
352 rate = cfg80211_calculate_bitrate(&rinfo);
353
354 return mac80211_format_buffer(userbuf, count, ppos,
355 "%d.%d MBit/s\n",
356 rate/10, rate%10);
357}
358STA_OPS(last_rx_rate);
359
Jiri Bence9f207f2007-05-05 11:46:38 -0700360#define DEBUGFS_ADD(name) \
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100361 debugfs_create_file(#name, 0400, \
Jiri Bence9f207f2007-05-05 11:46:38 -0700362 sta->debugfs.dir, sta, &sta_ ##name## _ops);
363
Felix Fietkau2826bcd2010-06-02 02:57:34 +0200364#define DEBUGFS_ADD_COUNTER(name, field) \
365 if (sizeof(sta->field) == sizeof(u32)) \
366 debugfs_create_u32(#name, 0400, sta->debugfs.dir, \
367 (u32 *) &sta->field); \
368 else \
369 debugfs_create_u64(#name, 0400, sta->debugfs.dir, \
370 (u64 *) &sta->field);
Jiri Bence9f207f2007-05-05 11:46:38 -0700371
372void ieee80211_sta_debugfs_add(struct sta_info *sta)
373{
Sujith Manoharan77d2ece2012-11-20 08:46:02 +0530374 struct ieee80211_local *local = sta->local;
375 struct ieee80211_sub_if_data *sdata = sta->sdata;
Ben Greear295bafb2010-09-22 20:29:01 -0700376 struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations;
Johannes Berg0c68ae262008-10-27 15:56:10 -0700377 u8 mac[3*ETH_ALEN];
Jiri Bence9f207f2007-05-05 11:46:38 -0700378
Johannes Berg63044e92008-10-07 12:04:29 +0200379 sta->debugfs.add_has_run = true;
380
Jiri Bence9f207f2007-05-05 11:46:38 -0700381 if (!stations_dir)
382 return;
383
Johannes Berg0c68ae262008-10-27 15:56:10 -0700384 snprintf(mac, sizeof(mac), "%pM", sta->sta.addr);
Jiri Bence9f207f2007-05-05 11:46:38 -0700385
Johannes Berg63044e92008-10-07 12:04:29 +0200386 /*
387 * This might fail due to a race condition:
388 * When mac80211 unlinks a station, the debugfs entries
389 * remain, but it is already possible to link a new
390 * station with the same address which triggers adding
391 * it to debugfs; therefore, if the old station isn't
392 * destroyed quickly enough the old station's debugfs
393 * dir might still be around.
394 */
Joe Perches0795af52007-10-03 17:59:30 -0700395 sta->debugfs.dir = debugfs_create_dir(mac, stations_dir);
Jiri Bence9f207f2007-05-05 11:46:38 -0700396 if (!sta->debugfs.dir)
397 return;
398
399 DEBUGFS_ADD(flags);
400 DEBUGFS_ADD(num_ps_buf_frames);
Jiri Bence9f207f2007-05-05 11:46:38 -0700401 DEBUGFS_ADD(inactive_ms);
Mohammed Shafi Shajakhanebe27c92011-04-08 21:24:24 +0530402 DEBUGFS_ADD(connected_time);
Jiri Bence9f207f2007-05-05 11:46:38 -0700403 DEBUGFS_ADD(last_seq_ctrl);
Ron Rindjunskyeb2ba622008-01-28 14:07:20 +0200404 DEBUGFS_ADD(agg_status);
Johannes Berg386aa232009-06-17 17:28:45 +0200405 DEBUGFS_ADD(dev);
Johannes Berg386aa232009-06-17 17:28:45 +0200406 DEBUGFS_ADD(last_signal);
Johannes Berg64491f02009-11-19 14:26:11 +0100407 DEBUGFS_ADD(ht_capa);
Saravanadb943572012-11-28 18:27:09 +0530408 DEBUGFS_ADD(last_ack_signal);
Saravana91b8c052012-11-29 19:22:37 +0530409 DEBUGFS_ADD(current_tx_rate);
Saravana1f2e6512012-11-29 19:54:19 +0530410 DEBUGFS_ADD(last_rx_rate);
Felix Fietkau2826bcd2010-06-02 02:57:34 +0200411
412 DEBUGFS_ADD_COUNTER(rx_packets, rx_packets);
413 DEBUGFS_ADD_COUNTER(tx_packets, tx_packets);
414 DEBUGFS_ADD_COUNTER(rx_bytes, rx_bytes);
415 DEBUGFS_ADD_COUNTER(tx_bytes, tx_bytes);
416 DEBUGFS_ADD_COUNTER(rx_duplicates, num_duplicates);
417 DEBUGFS_ADD_COUNTER(rx_fragments, rx_fragments);
418 DEBUGFS_ADD_COUNTER(rx_dropped, rx_dropped);
419 DEBUGFS_ADD_COUNTER(tx_fragments, tx_fragments);
420 DEBUGFS_ADD_COUNTER(tx_filtered, tx_filtered_count);
421 DEBUGFS_ADD_COUNTER(tx_retry_failed, tx_retry_failed);
422 DEBUGFS_ADD_COUNTER(tx_retry_count, tx_retry_count);
423 DEBUGFS_ADD_COUNTER(wep_weak_iv_count, wep_weak_iv_count);
Sujith Manoharan77d2ece2012-11-20 08:46:02 +0530424
425 drv_sta_add_debugfs(local, sdata, &sta->sta, sta->debugfs.dir);
Jiri Bence9f207f2007-05-05 11:46:38 -0700426}
427
428void ieee80211_sta_debugfs_remove(struct sta_info *sta)
429{
Sujith Manoharan77d2ece2012-11-20 08:46:02 +0530430 struct ieee80211_local *local = sta->local;
431 struct ieee80211_sub_if_data *sdata = sta->sdata;
432
433 drv_sta_remove_debugfs(local, sdata, &sta->sta, sta->debugfs.dir);
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100434 debugfs_remove_recursive(sta->debugfs.dir);
Jiri Bence9f207f2007-05-05 11:46:38 -0700435 sta->debugfs.dir = NULL;
436}