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TOMOYO Linux Cross Reference
Linux/net/mac80211/debugfs_netdev.c

Version: ~ [ linux-5.4-rc3 ] ~ [ linux-5.3.6 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.79 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.149 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.196 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.196 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.75 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  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>
 13 #include <linux/if_ether.h>
 14 #include <linux/interrupt.h>
 15 #include <linux/netdevice.h>
 16 #include <linux/rtnetlink.h>
 17 #include <linux/slab.h>
 18 #include <linux/notifier.h>
 19 #include <net/mac80211.h>
 20 #include <net/cfg80211.h>
 21 #include "ieee80211_i.h"
 22 #include "rate.h"
 23 #include "debugfs.h"
 24 #include "debugfs_netdev.h"
 25 #include "driver-ops.h"
 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);
 37         ret = (*format)(sdata, buf, sizeof(buf));
 38         read_unlock(&dev_base_lock);
 39 
 40         if (ret >= 0)
 41                 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
 42 
 43         return ret;
 44 }
 45 
 46 static ssize_t ieee80211_if_write(
 47         struct ieee80211_sub_if_data *sdata,
 48         const char __user *userbuf,
 49         size_t count, loff_t *ppos,
 50         ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int))
 51 {
 52         char buf[64];
 53         ssize_t ret;
 54 
 55         if (count >= sizeof(buf))
 56                 return -E2BIG;
 57 
 58         if (copy_from_user(buf, userbuf, count))
 59                 return -EFAULT;
 60         buf[count] = '\0';
 61 
 62         ret = -ENODEV;
 63         rtnl_lock();
 64         ret = (*write)(sdata, buf, count);
 65         rtnl_unlock();
 66 
 67         return ret;
 68 }
 69 
 70 #define IEEE80211_IF_FMT(name, field, format_string)                    \
 71 static ssize_t ieee80211_if_fmt_##name(                                 \
 72         const struct ieee80211_sub_if_data *sdata, char *buf,           \
 73         int buflen)                                                     \
 74 {                                                                       \
 75         return scnprintf(buf, buflen, format_string, sdata->field);     \
 76 }
 77 #define IEEE80211_IF_FMT_DEC(name, field)                               \
 78                 IEEE80211_IF_FMT(name, field, "%d\n")
 79 #define IEEE80211_IF_FMT_HEX(name, field)                               \
 80                 IEEE80211_IF_FMT(name, field, "%#x\n")
 81 #define IEEE80211_IF_FMT_LHEX(name, field)                              \
 82                 IEEE80211_IF_FMT(name, field, "%#lx\n")
 83 #define IEEE80211_IF_FMT_SIZE(name, field)                              \
 84                 IEEE80211_IF_FMT(name, field, "%zd\n")
 85 
 86 #define IEEE80211_IF_FMT_HEXARRAY(name, field)                          \
 87 static ssize_t ieee80211_if_fmt_##name(                                 \
 88         const struct ieee80211_sub_if_data *sdata,                      \
 89         char *buf, int buflen)                                          \
 90 {                                                                       \
 91         char *p = buf;                                                  \
 92         int i;                                                          \
 93         for (i = 0; i < sizeof(sdata->field); i++) {                    \
 94                 p += scnprintf(p, buflen + buf - p, "%.2x ",            \
 95                                  sdata->field[i]);                      \
 96         }                                                               \
 97         p += scnprintf(p, buflen + buf - p, "\n");                      \
 98         return p - buf;                                                 \
 99 }
100 
101 #define IEEE80211_IF_FMT_ATOMIC(name, field)                            \
102 static ssize_t ieee80211_if_fmt_##name(                                 \
103         const struct ieee80211_sub_if_data *sdata,                      \
104         char *buf, int buflen)                                          \
105 {                                                                       \
106         return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
107 }
108 
109 #define IEEE80211_IF_FMT_MAC(name, field)                               \
110 static ssize_t ieee80211_if_fmt_##name(                                 \
111         const struct ieee80211_sub_if_data *sdata, char *buf,           \
112         int buflen)                                                     \
113 {                                                                       \
114         return scnprintf(buf, buflen, "%pM\n", sdata->field);           \
115 }
116 
117 #define IEEE80211_IF_FMT_DEC_DIV_16(name, field)                        \
118 static ssize_t ieee80211_if_fmt_##name(                                 \
119         const struct ieee80211_sub_if_data *sdata,                      \
120         char *buf, int buflen)                                          \
121 {                                                                       \
122         return scnprintf(buf, buflen, "%d\n", sdata->field / 16);       \
123 }
124 
125 #define IEEE80211_IF_FMT_JIFFIES_TO_MS(name, field)                     \
126 static ssize_t ieee80211_if_fmt_##name(                                 \
127         const struct ieee80211_sub_if_data *sdata,                      \
128         char *buf, int buflen)                                          \
129 {                                                                       \
130         return scnprintf(buf, buflen, "%d\n",                           \
131                          jiffies_to_msecs(sdata->field));               \
132 }
133 
134 #define __IEEE80211_IF_FILE(name, _write)                               \
135 static ssize_t ieee80211_if_read_##name(struct file *file,              \
136                                         char __user *userbuf,           \
137                                         size_t count, loff_t *ppos)     \
138 {                                                                       \
139         return ieee80211_if_read(file->private_data,                    \
140                                  userbuf, count, ppos,                  \
141                                  ieee80211_if_fmt_##name);              \
142 }                                                                       \
143 static const struct file_operations name##_ops = {                      \
144         .read = ieee80211_if_read_##name,                               \
145         .write = (_write),                                              \
146         .open = simple_open,                                            \
147         .llseek = generic_file_llseek,                                  \
148 }
149 
150 #define __IEEE80211_IF_FILE_W(name)                                     \
151 static ssize_t ieee80211_if_write_##name(struct file *file,             \
152                                          const char __user *userbuf,    \
153                                          size_t count, loff_t *ppos)    \
154 {                                                                       \
155         return ieee80211_if_write(file->private_data, userbuf, count,   \
156                                   ppos, ieee80211_if_parse_##name);     \
157 }                                                                       \
158 __IEEE80211_IF_FILE(name, ieee80211_if_write_##name)
159 
160 
161 #define IEEE80211_IF_FILE(name, field, format)                          \
162                 IEEE80211_IF_FMT_##format(name, field)                  \
163                 __IEEE80211_IF_FILE(name, NULL)
164 
165 /* common attributes */
166 IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
167 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
168                   HEX);
169 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
170                   HEX);
171 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
172                   rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
173 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
174                   rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
175 
176 IEEE80211_IF_FILE(flags, flags, HEX);
177 IEEE80211_IF_FILE(state, state, LHEX);
178 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
179 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
180 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
181 
182 static ssize_t
183 ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
184                            char *buf, int buflen)
185 {
186         int len;
187 
188         len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
189                         sdata->vif.hw_queue[IEEE80211_AC_VO],
190                         sdata->vif.hw_queue[IEEE80211_AC_VI],
191                         sdata->vif.hw_queue[IEEE80211_AC_BE],
192                         sdata->vif.hw_queue[IEEE80211_AC_BK]);
193 
194         if (sdata->vif.type == NL80211_IFTYPE_AP)
195                 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
196                                  sdata->vif.cab_queue);
197 
198         return len;
199 }
200 __IEEE80211_IF_FILE(hw_queues, NULL);
201 
202 /* STA attributes */
203 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
204 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
205 IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
206 IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
207 IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
208 
209 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
210                               enum ieee80211_smps_mode smps_mode)
211 {
212         struct ieee80211_local *local = sdata->local;
213         int err;
214 
215         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
216             smps_mode == IEEE80211_SMPS_STATIC)
217                 return -EINVAL;
218 
219         /* auto should be dynamic if in PS mode */
220         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
221             (smps_mode == IEEE80211_SMPS_DYNAMIC ||
222              smps_mode == IEEE80211_SMPS_AUTOMATIC))
223                 return -EINVAL;
224 
225         /* supported only on managed interfaces for now */
226         if (sdata->vif.type != NL80211_IFTYPE_STATION)
227                 return -EOPNOTSUPP;
228 
229         sdata_lock(sdata);
230         err = __ieee80211_request_smps(sdata, smps_mode);
231         sdata_unlock(sdata);
232 
233         return err;
234 }
235 
236 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
237         [IEEE80211_SMPS_AUTOMATIC] = "auto",
238         [IEEE80211_SMPS_OFF] = "off",
239         [IEEE80211_SMPS_STATIC] = "static",
240         [IEEE80211_SMPS_DYNAMIC] = "dynamic",
241 };
242 
243 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
244                                      char *buf, int buflen)
245 {
246         if (sdata->vif.type != NL80211_IFTYPE_STATION)
247                 return -EOPNOTSUPP;
248 
249         return snprintf(buf, buflen, "request: %s\nused: %s\n",
250                         smps_modes[sdata->u.mgd.req_smps],
251                         smps_modes[sdata->smps_mode]);
252 }
253 
254 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
255                                        const char *buf, int buflen)
256 {
257         enum ieee80211_smps_mode mode;
258 
259         for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
260                 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
261                         int err = ieee80211_set_smps(sdata, mode);
262                         if (!err)
263                                 return buflen;
264                         return err;
265                 }
266         }
267 
268         return -EINVAL;
269 }
270 
271 __IEEE80211_IF_FILE_W(smps);
272 
273 static ssize_t ieee80211_if_fmt_tkip_mic_test(
274         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
275 {
276         return -EOPNOTSUPP;
277 }
278 
279 static ssize_t ieee80211_if_parse_tkip_mic_test(
280         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
281 {
282         struct ieee80211_local *local = sdata->local;
283         u8 addr[ETH_ALEN];
284         struct sk_buff *skb;
285         struct ieee80211_hdr *hdr;
286         __le16 fc;
287 
288         if (!mac_pton(buf, addr))
289                 return -EINVAL;
290 
291         if (!ieee80211_sdata_running(sdata))
292                 return -ENOTCONN;
293 
294         skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
295         if (!skb)
296                 return -ENOMEM;
297         skb_reserve(skb, local->hw.extra_tx_headroom);
298 
299         hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
300         memset(hdr, 0, 24);
301         fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
302 
303         switch (sdata->vif.type) {
304         case NL80211_IFTYPE_AP:
305                 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
306                 /* DA BSSID SA */
307                 memcpy(hdr->addr1, addr, ETH_ALEN);
308                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
309                 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
310                 break;
311         case NL80211_IFTYPE_STATION:
312                 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
313                 /* BSSID SA DA */
314                 sdata_lock(sdata);
315                 if (!sdata->u.mgd.associated) {
316                         sdata_unlock(sdata);
317                         dev_kfree_skb(skb);
318                         return -ENOTCONN;
319                 }
320                 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
321                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
322                 memcpy(hdr->addr3, addr, ETH_ALEN);
323                 sdata_unlock(sdata);
324                 break;
325         default:
326                 dev_kfree_skb(skb);
327                 return -EOPNOTSUPP;
328         }
329         hdr->frame_control = fc;
330 
331         /*
332          * Add some length to the test frame to make it look bit more valid.
333          * The exact contents does not matter since the recipient is required
334          * to drop this because of the Michael MIC failure.
335          */
336         memset(skb_put(skb, 50), 0, 50);
337 
338         IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
339 
340         ieee80211_tx_skb(sdata, skb);
341 
342         return buflen;
343 }
344 
345 __IEEE80211_IF_FILE_W(tkip_mic_test);
346 
347 static ssize_t ieee80211_if_fmt_uapsd_queues(
348         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
349 {
350         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
351 
352         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
353 }
354 
355 static ssize_t ieee80211_if_parse_uapsd_queues(
356         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
357 {
358         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
359         u8 val;
360         int ret;
361 
362         ret = kstrtou8(buf, 0, &val);
363         if (ret)
364                 return ret;
365 
366         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
367                 return -ERANGE;
368 
369         ifmgd->uapsd_queues = val;
370 
371         return buflen;
372 }
373 __IEEE80211_IF_FILE_W(uapsd_queues);
374 
375 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
376         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
377 {
378         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
379 
380         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
381 }
382 
383 static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
384         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
385 {
386         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
387         unsigned long val;
388         int ret;
389 
390         ret = kstrtoul(buf, 0, &val);
391         if (ret)
392                 return -EINVAL;
393 
394         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
395                 return -ERANGE;
396 
397         ifmgd->uapsd_max_sp_len = val;
398 
399         return buflen;
400 }
401 __IEEE80211_IF_FILE_W(uapsd_max_sp_len);
402 
403 /* AP attributes */
404 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
405 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
406 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
407 
408 static ssize_t ieee80211_if_fmt_num_buffered_multicast(
409         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
410 {
411         return scnprintf(buf, buflen, "%u\n",
412                          skb_queue_len(&sdata->u.ap.ps.bc_buf));
413 }
414 __IEEE80211_IF_FILE(num_buffered_multicast, NULL);
415 
416 /* IBSS attributes */
417 static ssize_t ieee80211_if_fmt_tsf(
418         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
419 {
420         struct ieee80211_local *local = sdata->local;
421         u64 tsf;
422 
423         tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
424 
425         return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
426 }
427 
428 static ssize_t ieee80211_if_parse_tsf(
429         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
430 {
431         struct ieee80211_local *local = sdata->local;
432         unsigned long long tsf;
433         int ret;
434         int tsf_is_delta = 0;
435 
436         if (strncmp(buf, "reset", 5) == 0) {
437                 if (local->ops->reset_tsf) {
438                         drv_reset_tsf(local, sdata);
439                         wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
440                 }
441         } else {
442                 if (buflen > 10 && buf[1] == '=') {
443                         if (buf[0] == '+')
444                                 tsf_is_delta = 1;
445                         else if (buf[0] == '-')
446                                 tsf_is_delta = -1;
447                         else
448                                 return -EINVAL;
449                         buf += 2;
450                 }
451                 ret = kstrtoull(buf, 10, &tsf);
452                 if (ret < 0)
453                         return ret;
454                 if (tsf_is_delta)
455                         tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
456                 if (local->ops->set_tsf) {
457                         drv_set_tsf(local, sdata, tsf);
458                         wiphy_info(local->hw.wiphy,
459                                    "debugfs set TSF to %#018llx\n", tsf);
460                 }
461         }
462 
463         return buflen;
464 }
465 __IEEE80211_IF_FILE_W(tsf);
466 
467 
468 /* WDS attributes */
469 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
470 
471 #ifdef CONFIG_MAC80211_MESH
472 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
473 
474 /* Mesh stats attributes */
475 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
476 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
477 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
478 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
479 IEEE80211_IF_FILE(dropped_frames_congestion,
480                   u.mesh.mshstats.dropped_frames_congestion, DEC);
481 IEEE80211_IF_FILE(dropped_frames_no_route,
482                   u.mesh.mshstats.dropped_frames_no_route, DEC);
483 
484 /* Mesh parameters */
485 IEEE80211_IF_FILE(dot11MeshMaxRetries,
486                   u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
487 IEEE80211_IF_FILE(dot11MeshRetryTimeout,
488                   u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
489 IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
490                   u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
491 IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
492                   u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
493 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
494 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
495 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
496 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
497                   u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
498 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
499                   u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
500 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
501                   u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
502 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
503                   u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
504 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
505                   u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
506 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
507                   u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
508 IEEE80211_IF_FILE(path_refresh_time,
509                   u.mesh.mshcfg.path_refresh_time, DEC);
510 IEEE80211_IF_FILE(min_discovery_timeout,
511                   u.mesh.mshcfg.min_discovery_timeout, DEC);
512 IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
513                   u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
514 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
515                   u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
516 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
517                   u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
518 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
519 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
520 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
521 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
522                   u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
523 IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
524                   u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
525 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
526                   u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
527 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
528 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
529                   u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
530 #endif
531 
532 #define DEBUGFS_ADD_MODE(name, mode) \
533         debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
534                             sdata, &name##_ops);
535 
536 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
537 
538 static void add_common_files(struct ieee80211_sub_if_data *sdata)
539 {
540         DEBUGFS_ADD(drop_unencrypted);
541         DEBUGFS_ADD(rc_rateidx_mask_2ghz);
542         DEBUGFS_ADD(rc_rateidx_mask_5ghz);
543         DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
544         DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
545         DEBUGFS_ADD(hw_queues);
546 }
547 
548 static void add_sta_files(struct ieee80211_sub_if_data *sdata)
549 {
550         DEBUGFS_ADD(bssid);
551         DEBUGFS_ADD(aid);
552         DEBUGFS_ADD(last_beacon);
553         DEBUGFS_ADD(ave_beacon);
554         DEBUGFS_ADD(beacon_timeout);
555         DEBUGFS_ADD_MODE(smps, 0600);
556         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
557         DEBUGFS_ADD_MODE(uapsd_queues, 0600);
558         DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
559 }
560 
561 static void add_ap_files(struct ieee80211_sub_if_data *sdata)
562 {
563         DEBUGFS_ADD(num_mcast_sta);
564         DEBUGFS_ADD(num_sta_ps);
565         DEBUGFS_ADD(dtim_count);
566         DEBUGFS_ADD(num_buffered_multicast);
567         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
568 }
569 
570 static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
571 {
572         DEBUGFS_ADD_MODE(tsf, 0600);
573 }
574 
575 static void add_wds_files(struct ieee80211_sub_if_data *sdata)
576 {
577         DEBUGFS_ADD(peer);
578 }
579 
580 #ifdef CONFIG_MAC80211_MESH
581 
582 static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
583 {
584         DEBUGFS_ADD_MODE(tsf, 0600);
585         DEBUGFS_ADD_MODE(estab_plinks, 0400);
586 }
587 
588 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
589 {
590         struct dentry *dir = debugfs_create_dir("mesh_stats",
591                                                 sdata->vif.debugfs_dir);
592 #define MESHSTATS_ADD(name)\
593         debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
594 
595         MESHSTATS_ADD(fwded_mcast);
596         MESHSTATS_ADD(fwded_unicast);
597         MESHSTATS_ADD(fwded_frames);
598         MESHSTATS_ADD(dropped_frames_ttl);
599         MESHSTATS_ADD(dropped_frames_no_route);
600         MESHSTATS_ADD(dropped_frames_congestion);
601 #undef MESHSTATS_ADD
602 }
603 
604 static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
605 {
606         struct dentry *dir = debugfs_create_dir("mesh_config",
607                                                 sdata->vif.debugfs_dir);
608 
609 #define MESHPARAMS_ADD(name) \
610         debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
611 
612         MESHPARAMS_ADD(dot11MeshMaxRetries);
613         MESHPARAMS_ADD(dot11MeshRetryTimeout);
614         MESHPARAMS_ADD(dot11MeshConfirmTimeout);
615         MESHPARAMS_ADD(dot11MeshHoldingTimeout);
616         MESHPARAMS_ADD(dot11MeshTTL);
617         MESHPARAMS_ADD(element_ttl);
618         MESHPARAMS_ADD(auto_open_plinks);
619         MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
620         MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
621         MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
622         MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
623         MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
624         MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
625         MESHPARAMS_ADD(path_refresh_time);
626         MESHPARAMS_ADD(min_discovery_timeout);
627         MESHPARAMS_ADD(dot11MeshHWMPRootMode);
628         MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
629         MESHPARAMS_ADD(dot11MeshForwarding);
630         MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
631         MESHPARAMS_ADD(rssi_threshold);
632         MESHPARAMS_ADD(ht_opmode);
633         MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
634         MESHPARAMS_ADD(dot11MeshHWMProotInterval);
635         MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
636         MESHPARAMS_ADD(power_mode);
637         MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
638 #undef MESHPARAMS_ADD
639 }
640 #endif
641 
642 static void add_files(struct ieee80211_sub_if_data *sdata)
643 {
644         if (!sdata->vif.debugfs_dir)
645                 return;
646 
647         DEBUGFS_ADD(flags);
648         DEBUGFS_ADD(state);
649         DEBUGFS_ADD(txpower);
650         DEBUGFS_ADD(user_power_level);
651         DEBUGFS_ADD(ap_power_level);
652 
653         if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
654                 add_common_files(sdata);
655 
656         switch (sdata->vif.type) {
657         case NL80211_IFTYPE_MESH_POINT:
658 #ifdef CONFIG_MAC80211_MESH
659                 add_mesh_files(sdata);
660                 add_mesh_stats(sdata);
661                 add_mesh_config(sdata);
662 #endif
663                 break;
664         case NL80211_IFTYPE_STATION:
665                 add_sta_files(sdata);
666                 break;
667         case NL80211_IFTYPE_ADHOC:
668                 add_ibss_files(sdata);
669                 break;
670         case NL80211_IFTYPE_AP:
671                 add_ap_files(sdata);
672                 break;
673         case NL80211_IFTYPE_WDS:
674                 add_wds_files(sdata);
675                 break;
676         default:
677                 break;
678         }
679 }
680 
681 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
682 {
683         char buf[10+IFNAMSIZ];
684 
685         sprintf(buf, "netdev:%s", sdata->name);
686         sdata->vif.debugfs_dir = debugfs_create_dir(buf,
687                 sdata->local->hw.wiphy->debugfsdir);
688         if (sdata->vif.debugfs_dir)
689                 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
690                         sdata->vif.debugfs_dir);
691         add_files(sdata);
692 }
693 
694 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
695 {
696         if (!sdata->vif.debugfs_dir)
697                 return;
698 
699         debugfs_remove_recursive(sdata->vif.debugfs_dir);
700         sdata->vif.debugfs_dir = NULL;
701         sdata->debugfs.subdir_stations = NULL;
702 }
703 
704 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
705 {
706         struct dentry *dir;
707         char buf[10 + IFNAMSIZ];
708 
709         dir = sdata->vif.debugfs_dir;
710 
711         if (!dir)
712                 return;
713 
714         sprintf(buf, "netdev:%s", sdata->name);
715         if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
716                 sdata_err(sdata,
717                           "debugfs: failed to rename debugfs dir to %s\n",
718                           buf);
719 }
720 

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