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e9f207f0 JB |
1 | /* |
2 | * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz> | |
3 | * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License version 2 as | |
7 | * published by the Free Software Foundation. | |
8 | */ | |
9 | ||
10 | #include <linux/kernel.h> | |
11 | #include <linux/device.h> | |
12 | #include <linux/if.h> | |
28656a11 | 13 | #include <linux/if_ether.h> |
e9f207f0 JB |
14 | #include <linux/interrupt.h> |
15 | #include <linux/netdevice.h> | |
16 | #include <linux/rtnetlink.h> | |
5a0e3ad6 | 17 | #include <linux/slab.h> |
e9f207f0 JB |
18 | #include <linux/notifier.h> |
19 | #include <net/mac80211.h> | |
20 | #include <net/cfg80211.h> | |
21 | #include "ieee80211_i.h" | |
2c8dccc7 | 22 | #include "rate.h" |
e9f207f0 JB |
23 | #include "debugfs.h" |
24 | #include "debugfs_netdev.h" | |
37a41b4a | 25 | #include "driver-ops.h" |
e9f207f0 JB |
26 | |
27 | static 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); | |
73bb3e4a | 37 | if (sdata->dev->reg_state == NETREG_REGISTERED) |
e9f207f0 | 38 | ret = (*format)(sdata, buf, sizeof(buf)); |
e9f207f0 | 39 | read_unlock(&dev_base_lock); |
73bb3e4a | 40 | |
681d1190 | 41 | if (ret >= 0) |
73bb3e4a LCC |
42 | ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret); |
43 | ||
e9f207f0 JB |
44 | return ret; |
45 | } | |
46 | ||
0f78231b JB |
47 | static 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 | { | |
ada577c1 | 53 | char buf[64]; |
51f5f8ca | 54 | ssize_t ret; |
0f78231b | 55 | |
ada577c1 EP |
56 | if (count >= sizeof(buf)) |
57 | return -E2BIG; | |
0f78231b JB |
58 | |
59 | if (copy_from_user(buf, userbuf, count)) | |
ada577c1 EP |
60 | return -EFAULT; |
61 | buf[count] = '\0'; | |
0f78231b | 62 | |
51f5f8ca | 63 | ret = -ENODEV; |
0f78231b JB |
64 | rtnl_lock(); |
65 | if (sdata->dev->reg_state == NETREG_REGISTERED) | |
66 | ret = (*write)(sdata, buf, count); | |
67 | rtnl_unlock(); | |
68 | ||
69 | return ret; | |
70 | } | |
71 | ||
e9f207f0 JB |
72 | #define IEEE80211_IF_FMT(name, field, format_string) \ |
73 | static 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") | |
4914b3bb BG |
83 | #define IEEE80211_IF_FMT_LHEX(name, field) \ |
84 | IEEE80211_IF_FMT(name, field, "%#lx\n") | |
e9f207f0 JB |
85 | #define IEEE80211_IF_FMT_SIZE(name, field) \ |
86 | IEEE80211_IF_FMT(name, field, "%zd\n") | |
87 | ||
19468413 SW |
88 | #define IEEE80211_IF_FMT_HEXARRAY(name, field) \ |
89 | static 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 | ||
e9f207f0 JB |
103 | #define IEEE80211_IF_FMT_ATOMIC(name, field) \ |
104 | static 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) \ | |
112 | static ssize_t ieee80211_if_fmt_##name( \ | |
113 | const struct ieee80211_sub_if_data *sdata, char *buf, \ | |
114 | int buflen) \ | |
115 | { \ | |
0c68ae26 | 116 | return scnprintf(buf, buflen, "%pM\n", sdata->field); \ |
e9f207f0 JB |
117 | } |
118 | ||
17e4ec14 JM |
119 | #define IEEE80211_IF_FMT_DEC_DIV_16(name, field) \ |
120 | static 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 | ||
78e443e4 BG |
127 | #define IEEE80211_IF_FMT_JIFFIES_TO_MS(name, field) \ |
128 | static 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 | ||
4cd3c4ec JB |
136 | #define _IEEE80211_IF_FILE_OPS(name, _read, _write) \ |
137 | static const struct file_operations name##_ops = { \ | |
138 | .read = (_read), \ | |
139 | .write = (_write), \ | |
140 | .open = simple_open, \ | |
141 | .llseek = generic_file_llseek, \ | |
142 | } | |
143 | ||
144 | #define _IEEE80211_IF_FILE_R_FN(name) \ | |
e9f207f0 JB |
145 | static ssize_t ieee80211_if_read_##name(struct file *file, \ |
146 | char __user *userbuf, \ | |
147 | size_t count, loff_t *ppos) \ | |
148 | { \ | |
149 | return ieee80211_if_read(file->private_data, \ | |
150 | userbuf, count, ppos, \ | |
151 | ieee80211_if_fmt_##name); \ | |
e9f207f0 JB |
152 | } |
153 | ||
4cd3c4ec | 154 | #define _IEEE80211_IF_FILE_W_FN(name) \ |
0f78231b JB |
155 | static ssize_t ieee80211_if_write_##name(struct file *file, \ |
156 | const char __user *userbuf, \ | |
157 | size_t count, loff_t *ppos) \ | |
158 | { \ | |
159 | return ieee80211_if_write(file->private_data, userbuf, count, \ | |
160 | ppos, ieee80211_if_parse_##name); \ | |
4cd3c4ec JB |
161 | } |
162 | ||
163 | #define IEEE80211_IF_FILE_R(name) \ | |
164 | _IEEE80211_IF_FILE_R_FN(name) \ | |
165 | _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, NULL) | |
166 | ||
167 | #define IEEE80211_IF_FILE_W(name) \ | |
168 | _IEEE80211_IF_FILE_W_FN(name) \ | |
169 | _IEEE80211_IF_FILE_OPS(name, NULL, ieee80211_if_write_##name) | |
0f78231b | 170 | |
4cd3c4ec JB |
171 | #define IEEE80211_IF_FILE_RW(name) \ |
172 | _IEEE80211_IF_FILE_R_FN(name) \ | |
173 | _IEEE80211_IF_FILE_W_FN(name) \ | |
174 | _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, \ | |
175 | ieee80211_if_write_##name) | |
0f78231b | 176 | |
e9f207f0 | 177 | #define IEEE80211_IF_FILE(name, field, format) \ |
4cd3c4ec JB |
178 | IEEE80211_IF_FMT_##format(name, field) \ |
179 | IEEE80211_IF_FILE_R(name) | |
e9f207f0 JB |
180 | |
181 | /* common attributes */ | |
e9f207f0 | 182 | IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC); |
37eb0b16 JM |
183 | IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ], |
184 | HEX); | |
185 | IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ], | |
186 | HEX); | |
19468413 SW |
187 | IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz, |
188 | rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY); | |
189 | IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz, | |
190 | rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY); | |
191 | ||
4914b3bb BG |
192 | IEEE80211_IF_FILE(flags, flags, HEX); |
193 | IEEE80211_IF_FILE(state, state, LHEX); | |
1ea6f9c0 JB |
194 | IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC); |
195 | IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC); | |
196 | IEEE80211_IF_FILE(user_power_level, user_power_level, DEC); | |
e9f207f0 | 197 | |
08643315 JB |
198 | static ssize_t |
199 | ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata, | |
200 | char *buf, int buflen) | |
201 | { | |
202 | int len; | |
203 | ||
204 | len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n", | |
205 | sdata->vif.hw_queue[IEEE80211_AC_VO], | |
206 | sdata->vif.hw_queue[IEEE80211_AC_VI], | |
207 | sdata->vif.hw_queue[IEEE80211_AC_BE], | |
208 | sdata->vif.hw_queue[IEEE80211_AC_BK]); | |
209 | ||
210 | if (sdata->vif.type == NL80211_IFTYPE_AP) | |
211 | len += scnprintf(buf + len, buflen - len, "cab queue: %d\n", | |
212 | sdata->vif.cab_queue); | |
213 | ||
214 | return len; | |
215 | } | |
4cd3c4ec | 216 | IEEE80211_IF_FILE_R(hw_queues); |
08643315 | 217 | |
46900298 | 218 | /* STA attributes */ |
46900298 | 219 | IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC); |
46900298 | 220 | IEEE80211_IF_FILE(aid, u.mgd.aid, DEC); |
17e4ec14 JM |
221 | IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC); |
222 | IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16); | |
78e443e4 | 223 | IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS); |
e9f207f0 | 224 | |
0f78231b JB |
225 | static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata, |
226 | enum ieee80211_smps_mode smps_mode) | |
227 | { | |
228 | struct ieee80211_local *local = sdata->local; | |
229 | int err; | |
230 | ||
231 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) && | |
232 | smps_mode == IEEE80211_SMPS_STATIC) | |
233 | return -EINVAL; | |
234 | ||
235 | /* auto should be dynamic if in PS mode */ | |
236 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) && | |
237 | (smps_mode == IEEE80211_SMPS_DYNAMIC || | |
238 | smps_mode == IEEE80211_SMPS_AUTOMATIC)) | |
239 | return -EINVAL; | |
240 | ||
687da132 EG |
241 | if (sdata->vif.type != NL80211_IFTYPE_STATION && |
242 | sdata->vif.type != NL80211_IFTYPE_AP) | |
0f78231b JB |
243 | return -EOPNOTSUPP; |
244 | ||
8d61ffa5 | 245 | sdata_lock(sdata); |
687da132 EG |
246 | if (sdata->vif.type == NL80211_IFTYPE_STATION) |
247 | err = __ieee80211_request_smps_mgd(sdata, smps_mode); | |
248 | else | |
249 | err = __ieee80211_request_smps_ap(sdata, smps_mode); | |
8d61ffa5 | 250 | sdata_unlock(sdata); |
0f78231b JB |
251 | |
252 | return err; | |
253 | } | |
254 | ||
255 | static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = { | |
256 | [IEEE80211_SMPS_AUTOMATIC] = "auto", | |
257 | [IEEE80211_SMPS_OFF] = "off", | |
258 | [IEEE80211_SMPS_STATIC] = "static", | |
259 | [IEEE80211_SMPS_DYNAMIC] = "dynamic", | |
260 | }; | |
261 | ||
262 | static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata, | |
263 | char *buf, int buflen) | |
264 | { | |
687da132 EG |
265 | if (sdata->vif.type == NL80211_IFTYPE_STATION) |
266 | return snprintf(buf, buflen, "request: %s\nused: %s\n", | |
267 | smps_modes[sdata->u.mgd.req_smps], | |
268 | smps_modes[sdata->smps_mode]); | |
269 | if (sdata->vif.type == NL80211_IFTYPE_AP) | |
270 | return snprintf(buf, buflen, "request: %s\nused: %s\n", | |
271 | smps_modes[sdata->u.ap.req_smps], | |
272 | smps_modes[sdata->smps_mode]); | |
273 | return -EINVAL; | |
0f78231b JB |
274 | } |
275 | ||
276 | static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata, | |
277 | const char *buf, int buflen) | |
278 | { | |
279 | enum ieee80211_smps_mode mode; | |
280 | ||
281 | for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) { | |
282 | if (strncmp(buf, smps_modes[mode], buflen) == 0) { | |
283 | int err = ieee80211_set_smps(sdata, mode); | |
284 | if (!err) | |
285 | return buflen; | |
286 | return err; | |
287 | } | |
288 | } | |
289 | ||
290 | return -EINVAL; | |
291 | } | |
4cd3c4ec | 292 | IEEE80211_IF_FILE_RW(smps); |
681d1190 | 293 | |
681d1190 JM |
294 | static ssize_t ieee80211_if_parse_tkip_mic_test( |
295 | struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) | |
296 | { | |
297 | struct ieee80211_local *local = sdata->local; | |
298 | u8 addr[ETH_ALEN]; | |
299 | struct sk_buff *skb; | |
300 | struct ieee80211_hdr *hdr; | |
301 | __le16 fc; | |
302 | ||
28656a11 | 303 | if (!mac_pton(buf, addr)) |
681d1190 JM |
304 | return -EINVAL; |
305 | ||
306 | if (!ieee80211_sdata_running(sdata)) | |
307 | return -ENOTCONN; | |
308 | ||
309 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100); | |
310 | if (!skb) | |
311 | return -ENOMEM; | |
312 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
313 | ||
314 | hdr = (struct ieee80211_hdr *) skb_put(skb, 24); | |
315 | memset(hdr, 0, 24); | |
316 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA); | |
317 | ||
318 | switch (sdata->vif.type) { | |
319 | case NL80211_IFTYPE_AP: | |
320 | fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); | |
321 | /* DA BSSID SA */ | |
322 | memcpy(hdr->addr1, addr, ETH_ALEN); | |
323 | memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); | |
324 | memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN); | |
325 | break; | |
326 | case NL80211_IFTYPE_STATION: | |
327 | fc |= cpu_to_le16(IEEE80211_FCTL_TODS); | |
328 | /* BSSID SA DA */ | |
8d61ffa5 | 329 | sdata_lock(sdata); |
41c97a20 | 330 | if (!sdata->u.mgd.associated) { |
8d61ffa5 | 331 | sdata_unlock(sdata); |
681d1190 JM |
332 | dev_kfree_skb(skb); |
333 | return -ENOTCONN; | |
334 | } | |
41c97a20 | 335 | memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN); |
681d1190 JM |
336 | memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); |
337 | memcpy(hdr->addr3, addr, ETH_ALEN); | |
8d61ffa5 | 338 | sdata_unlock(sdata); |
681d1190 JM |
339 | break; |
340 | default: | |
341 | dev_kfree_skb(skb); | |
342 | return -EOPNOTSUPP; | |
343 | } | |
344 | hdr->frame_control = fc; | |
345 | ||
346 | /* | |
347 | * Add some length to the test frame to make it look bit more valid. | |
348 | * The exact contents does not matter since the recipient is required | |
349 | * to drop this because of the Michael MIC failure. | |
350 | */ | |
351 | memset(skb_put(skb, 50), 0, 50); | |
352 | ||
353 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE; | |
354 | ||
355 | ieee80211_tx_skb(sdata, skb); | |
356 | ||
357 | return buflen; | |
358 | } | |
4cd3c4ec | 359 | IEEE80211_IF_FILE_W(tkip_mic_test); |
681d1190 | 360 | |
802ee9ec EP |
361 | static ssize_t ieee80211_if_parse_beacon_loss( |
362 | struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) | |
363 | { | |
364 | if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc) | |
365 | return -ENOTCONN; | |
366 | ||
367 | ieee80211_beacon_loss(&sdata->vif); | |
368 | ||
369 | return buflen; | |
370 | } | |
371 | IEEE80211_IF_FILE_W(beacon_loss); | |
372 | ||
dc41e4d4 EP |
373 | static ssize_t ieee80211_if_fmt_uapsd_queues( |
374 | const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) | |
375 | { | |
376 | const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | |
377 | ||
378 | return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues); | |
379 | } | |
380 | ||
381 | static ssize_t ieee80211_if_parse_uapsd_queues( | |
382 | struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) | |
383 | { | |
384 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | |
385 | u8 val; | |
386 | int ret; | |
387 | ||
388 | ret = kstrtou8(buf, 0, &val); | |
389 | if (ret) | |
390 | return ret; | |
391 | ||
392 | if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
393 | return -ERANGE; | |
394 | ||
395 | ifmgd->uapsd_queues = val; | |
396 | ||
397 | return buflen; | |
398 | } | |
4cd3c4ec | 399 | IEEE80211_IF_FILE_RW(uapsd_queues); |
dc41e4d4 EP |
400 | |
401 | static ssize_t ieee80211_if_fmt_uapsd_max_sp_len( | |
402 | const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) | |
403 | { | |
404 | const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | |
405 | ||
406 | return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len); | |
407 | } | |
408 | ||
409 | static ssize_t ieee80211_if_parse_uapsd_max_sp_len( | |
410 | struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) | |
411 | { | |
412 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | |
413 | unsigned long val; | |
414 | int ret; | |
415 | ||
416 | ret = kstrtoul(buf, 0, &val); | |
417 | if (ret) | |
418 | return -EINVAL; | |
419 | ||
420 | if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
421 | return -ERANGE; | |
422 | ||
423 | ifmgd->uapsd_max_sp_len = val; | |
424 | ||
425 | return buflen; | |
426 | } | |
4cd3c4ec | 427 | IEEE80211_IF_FILE_RW(uapsd_max_sp_len); |
dc41e4d4 | 428 | |
e9f207f0 | 429 | /* AP attributes */ |
030ef8f8 | 430 | IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC); |
d012a605 MP |
431 | IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC); |
432 | IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC); | |
e9f207f0 JB |
433 | |
434 | static ssize_t ieee80211_if_fmt_num_buffered_multicast( | |
435 | const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) | |
436 | { | |
437 | return scnprintf(buf, buflen, "%u\n", | |
d012a605 | 438 | skb_queue_len(&sdata->u.ap.ps.bc_buf)); |
e9f207f0 | 439 | } |
4cd3c4ec | 440 | IEEE80211_IF_FILE_R(num_buffered_multicast); |
e9f207f0 | 441 | |
37a41b4a EP |
442 | /* IBSS attributes */ |
443 | static ssize_t ieee80211_if_fmt_tsf( | |
444 | const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) | |
445 | { | |
446 | struct ieee80211_local *local = sdata->local; | |
447 | u64 tsf; | |
448 | ||
449 | tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata); | |
450 | ||
451 | return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf); | |
452 | } | |
453 | ||
454 | static ssize_t ieee80211_if_parse_tsf( | |
455 | struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) | |
456 | { | |
457 | struct ieee80211_local *local = sdata->local; | |
458 | unsigned long long tsf; | |
459 | int ret; | |
9bdd3a6b | 460 | int tsf_is_delta = 0; |
37a41b4a EP |
461 | |
462 | if (strncmp(buf, "reset", 5) == 0) { | |
463 | if (local->ops->reset_tsf) { | |
464 | drv_reset_tsf(local, sdata); | |
465 | wiphy_info(local->hw.wiphy, "debugfs reset TSF\n"); | |
466 | } | |
467 | } else { | |
9bdd3a6b JC |
468 | if (buflen > 10 && buf[1] == '=') { |
469 | if (buf[0] == '+') | |
470 | tsf_is_delta = 1; | |
471 | else if (buf[0] == '-') | |
472 | tsf_is_delta = -1; | |
473 | else | |
474 | return -EINVAL; | |
475 | buf += 2; | |
476 | } | |
37a41b4a EP |
477 | ret = kstrtoull(buf, 10, &tsf); |
478 | if (ret < 0) | |
6fc1da9b | 479 | return ret; |
9bdd3a6b JC |
480 | if (tsf_is_delta) |
481 | tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf; | |
37a41b4a EP |
482 | if (local->ops->set_tsf) { |
483 | drv_set_tsf(local, sdata, tsf); | |
484 | wiphy_info(local->hw.wiphy, | |
485 | "debugfs set TSF to %#018llx\n", tsf); | |
486 | } | |
487 | } | |
488 | ||
057d5f4b | 489 | ieee80211_recalc_dtim(local, sdata); |
37a41b4a EP |
490 | return buflen; |
491 | } | |
4cd3c4ec | 492 | IEEE80211_IF_FILE_RW(tsf); |
37a41b4a EP |
493 | |
494 | ||
e9f207f0 JB |
495 | /* WDS attributes */ |
496 | IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC); | |
497 | ||
9f42f607 | 498 | #ifdef CONFIG_MAC80211_MESH |
d4a5a489 AN |
499 | IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC); |
500 | ||
9f42f607 | 501 | /* Mesh stats attributes */ |
c8a61a7d DW |
502 | IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC); |
503 | IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC); | |
472dbc45 JB |
504 | IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC); |
505 | IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC); | |
cfee66b0 | 506 | IEEE80211_IF_FILE(dropped_frames_congestion, |
a4f606ea | 507 | u.mesh.mshstats.dropped_frames_congestion, DEC); |
9f42f607 | 508 | IEEE80211_IF_FILE(dropped_frames_no_route, |
a4f606ea | 509 | u.mesh.mshstats.dropped_frames_no_route, DEC); |
9f42f607 LCC |
510 | |
511 | /* Mesh parameters */ | |
36ff382d | 512 | IEEE80211_IF_FILE(dot11MeshMaxRetries, |
a4f606ea | 513 | u.mesh.mshcfg.dot11MeshMaxRetries, DEC); |
36ff382d | 514 | IEEE80211_IF_FILE(dot11MeshRetryTimeout, |
a4f606ea | 515 | u.mesh.mshcfg.dot11MeshRetryTimeout, DEC); |
36ff382d | 516 | IEEE80211_IF_FILE(dot11MeshConfirmTimeout, |
a4f606ea | 517 | u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC); |
36ff382d | 518 | IEEE80211_IF_FILE(dot11MeshHoldingTimeout, |
a4f606ea | 519 | u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC); |
36ff382d | 520 | IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC); |
45904f21 | 521 | IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC); |
36ff382d JB |
522 | IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC); |
523 | IEEE80211_IF_FILE(dot11MeshMaxPeerLinks, | |
a4f606ea | 524 | u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC); |
36ff382d | 525 | IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout, |
a4f606ea | 526 | u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC); |
36ff382d | 527 | IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval, |
a4f606ea | 528 | u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC); |
dca7e943 | 529 | IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval, |
a4f606ea | 530 | u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC); |
36ff382d | 531 | IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime, |
a4f606ea | 532 | u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC); |
36ff382d | 533 | IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries, |
a4f606ea | 534 | u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC); |
36ff382d | 535 | IEEE80211_IF_FILE(path_refresh_time, |
a4f606ea | 536 | u.mesh.mshcfg.path_refresh_time, DEC); |
36ff382d | 537 | IEEE80211_IF_FILE(min_discovery_timeout, |
a4f606ea | 538 | u.mesh.mshcfg.min_discovery_timeout, DEC); |
63c5723b | 539 | IEEE80211_IF_FILE(dot11MeshHWMPRootMode, |
a4f606ea | 540 | u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC); |
16dd7267 | 541 | IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol, |
a4f606ea | 542 | u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC); |
0507e159 | 543 | IEEE80211_IF_FILE(dot11MeshHWMPRannInterval, |
a4f606ea | 544 | u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC); |
94f90656 | 545 | IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC); |
55335137 | 546 | IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC); |
4416f5d2 | 547 | IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC); |
ac1073a6 CYY |
548 | IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout, |
549 | u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC); | |
550 | IEEE80211_IF_FILE(dot11MeshHWMProotInterval, | |
551 | u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC); | |
728b19e5 CYY |
552 | IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval, |
553 | u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC); | |
3f52b7e3 MP |
554 | IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC); |
555 | IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration, | |
556 | u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC); | |
9f42f607 LCC |
557 | #endif |
558 | ||
0f78231b | 559 | #define DEBUGFS_ADD_MODE(name, mode) \ |
ddbfe860 | 560 | debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \ |
0f78231b JB |
561 | sdata, &name##_ops); |
562 | ||
fcb2c9e1 FF |
563 | #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400) |
564 | ||
565 | static void add_common_files(struct ieee80211_sub_if_data *sdata) | |
e9f207f0 | 566 | { |
2d46d7c1 JB |
567 | DEBUGFS_ADD(drop_unencrypted); |
568 | DEBUGFS_ADD(rc_rateidx_mask_2ghz); | |
569 | DEBUGFS_ADD(rc_rateidx_mask_5ghz); | |
19468413 SW |
570 | DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); |
571 | DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); | |
08643315 | 572 | DEBUGFS_ADD(hw_queues); |
fcb2c9e1 | 573 | } |
3e122be0 | 574 | |
fcb2c9e1 FF |
575 | static void add_sta_files(struct ieee80211_sub_if_data *sdata) |
576 | { | |
2d46d7c1 JB |
577 | DEBUGFS_ADD(bssid); |
578 | DEBUGFS_ADD(aid); | |
17e4ec14 JM |
579 | DEBUGFS_ADD(last_beacon); |
580 | DEBUGFS_ADD(ave_beacon); | |
78e443e4 | 581 | DEBUGFS_ADD(beacon_timeout); |
0f78231b | 582 | DEBUGFS_ADD_MODE(smps, 0600); |
681d1190 | 583 | DEBUGFS_ADD_MODE(tkip_mic_test, 0200); |
802ee9ec | 584 | DEBUGFS_ADD_MODE(beacon_loss, 0200); |
dc41e4d4 EP |
585 | DEBUGFS_ADD_MODE(uapsd_queues, 0600); |
586 | DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600); | |
e9f207f0 JB |
587 | } |
588 | ||
589 | static void add_ap_files(struct ieee80211_sub_if_data *sdata) | |
590 | { | |
030ef8f8 | 591 | DEBUGFS_ADD(num_mcast_sta); |
687da132 | 592 | DEBUGFS_ADD_MODE(smps, 0600); |
2d46d7c1 JB |
593 | DEBUGFS_ADD(num_sta_ps); |
594 | DEBUGFS_ADD(dtim_count); | |
595 | DEBUGFS_ADD(num_buffered_multicast); | |
681d1190 | 596 | DEBUGFS_ADD_MODE(tkip_mic_test, 0200); |
e9f207f0 JB |
597 | } |
598 | ||
37a41b4a EP |
599 | static void add_ibss_files(struct ieee80211_sub_if_data *sdata) |
600 | { | |
601 | DEBUGFS_ADD_MODE(tsf, 0600); | |
602 | } | |
603 | ||
e9f207f0 JB |
604 | static void add_wds_files(struct ieee80211_sub_if_data *sdata) |
605 | { | |
2d46d7c1 | 606 | DEBUGFS_ADD(peer); |
e9f207f0 JB |
607 | } |
608 | ||
9f42f607 | 609 | #ifdef CONFIG_MAC80211_MESH |
9f42f607 | 610 | |
12ce8ba3 JC |
611 | static void add_mesh_files(struct ieee80211_sub_if_data *sdata) |
612 | { | |
613 | DEBUGFS_ADD_MODE(tsf, 0600); | |
d4a5a489 | 614 | DEBUGFS_ADD_MODE(estab_plinks, 0400); |
12ce8ba3 JC |
615 | } |
616 | ||
9f42f607 LCC |
617 | static void add_mesh_stats(struct ieee80211_sub_if_data *sdata) |
618 | { | |
7bcfaf2f | 619 | struct dentry *dir = debugfs_create_dir("mesh_stats", |
ddbfe860 | 620 | sdata->vif.debugfs_dir); |
7bcfaf2f JB |
621 | #define MESHSTATS_ADD(name)\ |
622 | debugfs_create_file(#name, 0400, dir, sdata, &name##_ops); | |
623 | ||
c8a61a7d DW |
624 | MESHSTATS_ADD(fwded_mcast); |
625 | MESHSTATS_ADD(fwded_unicast); | |
9f42f607 LCC |
626 | MESHSTATS_ADD(fwded_frames); |
627 | MESHSTATS_ADD(dropped_frames_ttl); | |
628 | MESHSTATS_ADD(dropped_frames_no_route); | |
cfee66b0 | 629 | MESHSTATS_ADD(dropped_frames_congestion); |
7bcfaf2f | 630 | #undef MESHSTATS_ADD |
9f42f607 LCC |
631 | } |
632 | ||
9f42f607 LCC |
633 | static void add_mesh_config(struct ieee80211_sub_if_data *sdata) |
634 | { | |
7bcfaf2f | 635 | struct dentry *dir = debugfs_create_dir("mesh_config", |
ddbfe860 | 636 | sdata->vif.debugfs_dir); |
7bcfaf2f JB |
637 | |
638 | #define MESHPARAMS_ADD(name) \ | |
639 | debugfs_create_file(#name, 0600, dir, sdata, &name##_ops); | |
640 | ||
9f42f607 LCC |
641 | MESHPARAMS_ADD(dot11MeshMaxRetries); |
642 | MESHPARAMS_ADD(dot11MeshRetryTimeout); | |
643 | MESHPARAMS_ADD(dot11MeshConfirmTimeout); | |
644 | MESHPARAMS_ADD(dot11MeshHoldingTimeout); | |
645 | MESHPARAMS_ADD(dot11MeshTTL); | |
45904f21 | 646 | MESHPARAMS_ADD(element_ttl); |
9f42f607 LCC |
647 | MESHPARAMS_ADD(auto_open_plinks); |
648 | MESHPARAMS_ADD(dot11MeshMaxPeerLinks); | |
649 | MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout); | |
650 | MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval); | |
dca7e943 | 651 | MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval); |
9f42f607 LCC |
652 | MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime); |
653 | MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries); | |
654 | MESHPARAMS_ADD(path_refresh_time); | |
655 | MESHPARAMS_ADD(min_discovery_timeout); | |
699403db | 656 | MESHPARAMS_ADD(dot11MeshHWMPRootMode); |
0507e159 | 657 | MESHPARAMS_ADD(dot11MeshHWMPRannInterval); |
8c06e8c0 | 658 | MESHPARAMS_ADD(dot11MeshForwarding); |
16dd7267 | 659 | MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol); |
55335137 | 660 | MESHPARAMS_ADD(rssi_threshold); |
4416f5d2 | 661 | MESHPARAMS_ADD(ht_opmode); |
ac1073a6 CYY |
662 | MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout); |
663 | MESHPARAMS_ADD(dot11MeshHWMProotInterval); | |
728b19e5 | 664 | MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval); |
3f52b7e3 MP |
665 | MESHPARAMS_ADD(power_mode); |
666 | MESHPARAMS_ADD(dot11MeshAwakeWindowDuration); | |
7bcfaf2f | 667 | #undef MESHPARAMS_ADD |
9f42f607 LCC |
668 | } |
669 | #endif | |
670 | ||
e9f207f0 JB |
671 | static void add_files(struct ieee80211_sub_if_data *sdata) |
672 | { | |
ddbfe860 | 673 | if (!sdata->vif.debugfs_dir) |
e9f207f0 JB |
674 | return; |
675 | ||
fcb2c9e1 FF |
676 | DEBUGFS_ADD(flags); |
677 | DEBUGFS_ADD(state); | |
1ea6f9c0 JB |
678 | DEBUGFS_ADD(txpower); |
679 | DEBUGFS_ADD(user_power_level); | |
680 | DEBUGFS_ADD(ap_power_level); | |
fcb2c9e1 FF |
681 | |
682 | if (sdata->vif.type != NL80211_IFTYPE_MONITOR) | |
683 | add_common_files(sdata); | |
684 | ||
51fb61e7 | 685 | switch (sdata->vif.type) { |
05c914fe | 686 | case NL80211_IFTYPE_MESH_POINT: |
9f42f607 | 687 | #ifdef CONFIG_MAC80211_MESH |
12ce8ba3 | 688 | add_mesh_files(sdata); |
9f42f607 LCC |
689 | add_mesh_stats(sdata); |
690 | add_mesh_config(sdata); | |
691 | #endif | |
472dbc45 | 692 | break; |
05c914fe | 693 | case NL80211_IFTYPE_STATION: |
e9f207f0 JB |
694 | add_sta_files(sdata); |
695 | break; | |
46900298 | 696 | case NL80211_IFTYPE_ADHOC: |
37a41b4a | 697 | add_ibss_files(sdata); |
46900298 | 698 | break; |
05c914fe | 699 | case NL80211_IFTYPE_AP: |
e9f207f0 JB |
700 | add_ap_files(sdata); |
701 | break; | |
05c914fe | 702 | case NL80211_IFTYPE_WDS: |
e9f207f0 JB |
703 | add_wds_files(sdata); |
704 | break; | |
e9f207f0 JB |
705 | default: |
706 | break; | |
707 | } | |
708 | } | |
709 | ||
e9f207f0 JB |
710 | void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata) |
711 | { | |
712 | char buf[10+IFNAMSIZ]; | |
713 | ||
47846c9b | 714 | sprintf(buf, "netdev:%s", sdata->name); |
ddbfe860 | 715 | sdata->vif.debugfs_dir = debugfs_create_dir(buf, |
e9f207f0 | 716 | sdata->local->hw.wiphy->debugfsdir); |
ddbfe860 | 717 | if (sdata->vif.debugfs_dir) |
295bafb4 | 718 | sdata->debugfs.subdir_stations = debugfs_create_dir("stations", |
ddbfe860 | 719 | sdata->vif.debugfs_dir); |
75636525 | 720 | add_files(sdata); |
e9f207f0 JB |
721 | } |
722 | ||
723 | void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) | |
724 | { | |
ddbfe860 | 725 | if (!sdata->vif.debugfs_dir) |
7bcfaf2f JB |
726 | return; |
727 | ||
ddbfe860 SG |
728 | debugfs_remove_recursive(sdata->vif.debugfs_dir); |
729 | sdata->vif.debugfs_dir = NULL; | |
e9f207f0 JB |
730 | } |
731 | ||
47846c9b | 732 | void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata) |
e9f207f0 | 733 | { |
7c8081eb | 734 | struct dentry *dir; |
47846c9b | 735 | char buf[10 + IFNAMSIZ]; |
3e122be0 | 736 | |
ddbfe860 | 737 | dir = sdata->vif.debugfs_dir; |
c74e90a9 JB |
738 | |
739 | if (!dir) | |
47846c9b | 740 | return; |
c74e90a9 | 741 | |
47846c9b | 742 | sprintf(buf, "netdev:%s", sdata->name); |
7c8081eb | 743 | if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf)) |
bdcbd8e0 JB |
744 | sdata_err(sdata, |
745 | "debugfs: failed to rename debugfs dir to %s\n", | |
746 | buf); | |
e9f207f0 | 747 | } |