sh: kprobes: Use generic kretprobe trampoline handler
[linux-2.6-microblaze.git] / net / mac80211 / debugfs_netdev.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (c) 2006   Jiri Benc <jbenc@suse.cz>
4  * Copyright 2007       Johannes Berg <johannes@sipsolutions.net>
5  * Copyright (C) 2020 Intel Corporation
6  */
7
8 #include <linux/kernel.h>
9 #include <linux/device.h>
10 #include <linux/if.h>
11 #include <linux/if_ether.h>
12 #include <linux/interrupt.h>
13 #include <linux/netdevice.h>
14 #include <linux/rtnetlink.h>
15 #include <linux/slab.h>
16 #include <linux/notifier.h>
17 #include <net/mac80211.h>
18 #include <net/cfg80211.h>
19 #include "ieee80211_i.h"
20 #include "rate.h"
21 #include "debugfs.h"
22 #include "debugfs_netdev.h"
23 #include "driver-ops.h"
24
25 static ssize_t ieee80211_if_read(
26         struct ieee80211_sub_if_data *sdata,
27         char __user *userbuf,
28         size_t count, loff_t *ppos,
29         ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int))
30 {
31         char buf[200];
32         ssize_t ret = -EINVAL;
33
34         read_lock(&dev_base_lock);
35         ret = (*format)(sdata, buf, sizeof(buf));
36         read_unlock(&dev_base_lock);
37
38         if (ret >= 0)
39                 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
40
41         return ret;
42 }
43
44 static ssize_t ieee80211_if_write(
45         struct ieee80211_sub_if_data *sdata,
46         const char __user *userbuf,
47         size_t count, loff_t *ppos,
48         ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int))
49 {
50         char buf[64];
51         ssize_t ret;
52
53         if (count >= sizeof(buf))
54                 return -E2BIG;
55
56         if (copy_from_user(buf, userbuf, count))
57                 return -EFAULT;
58         buf[count] = '\0';
59
60         ret = -ENODEV;
61         rtnl_lock();
62         ret = (*write)(sdata, buf, count);
63         rtnl_unlock();
64
65         return ret;
66 }
67
68 #define IEEE80211_IF_FMT(name, field, format_string)                    \
69 static ssize_t ieee80211_if_fmt_##name(                                 \
70         const struct ieee80211_sub_if_data *sdata, char *buf,           \
71         int buflen)                                                     \
72 {                                                                       \
73         return scnprintf(buf, buflen, format_string, sdata->field);     \
74 }
75 #define IEEE80211_IF_FMT_DEC(name, field)                               \
76                 IEEE80211_IF_FMT(name, field, "%d\n")
77 #define IEEE80211_IF_FMT_HEX(name, field)                               \
78                 IEEE80211_IF_FMT(name, field, "%#x\n")
79 #define IEEE80211_IF_FMT_LHEX(name, field)                              \
80                 IEEE80211_IF_FMT(name, field, "%#lx\n")
81 #define IEEE80211_IF_FMT_SIZE(name, field)                              \
82                 IEEE80211_IF_FMT(name, field, "%zd\n")
83
84 #define IEEE80211_IF_FMT_HEXARRAY(name, field)                          \
85 static ssize_t ieee80211_if_fmt_##name(                                 \
86         const struct ieee80211_sub_if_data *sdata,                      \
87         char *buf, int buflen)                                          \
88 {                                                                       \
89         char *p = buf;                                                  \
90         int i;                                                          \
91         for (i = 0; i < sizeof(sdata->field); i++) {                    \
92                 p += scnprintf(p, buflen + buf - p, "%.2x ",            \
93                                  sdata->field[i]);                      \
94         }                                                               \
95         p += scnprintf(p, buflen + buf - p, "\n");                      \
96         return p - buf;                                                 \
97 }
98
99 #define IEEE80211_IF_FMT_ATOMIC(name, field)                            \
100 static ssize_t ieee80211_if_fmt_##name(                                 \
101         const struct ieee80211_sub_if_data *sdata,                      \
102         char *buf, int buflen)                                          \
103 {                                                                       \
104         return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
105 }
106
107 #define IEEE80211_IF_FMT_MAC(name, field)                               \
108 static ssize_t ieee80211_if_fmt_##name(                                 \
109         const struct ieee80211_sub_if_data *sdata, char *buf,           \
110         int buflen)                                                     \
111 {                                                                       \
112         return scnprintf(buf, buflen, "%pM\n", sdata->field);           \
113 }
114
115 #define IEEE80211_IF_FMT_JIFFIES_TO_MS(name, field)                     \
116 static ssize_t ieee80211_if_fmt_##name(                                 \
117         const struct ieee80211_sub_if_data *sdata,                      \
118         char *buf, int buflen)                                          \
119 {                                                                       \
120         return scnprintf(buf, buflen, "%d\n",                           \
121                          jiffies_to_msecs(sdata->field));               \
122 }
123
124 #define _IEEE80211_IF_FILE_OPS(name, _read, _write)                     \
125 static const struct file_operations name##_ops = {                      \
126         .read = (_read),                                                \
127         .write = (_write),                                              \
128         .open = simple_open,                                            \
129         .llseek = generic_file_llseek,                                  \
130 }
131
132 #define _IEEE80211_IF_FILE_R_FN(name)                                   \
133 static ssize_t ieee80211_if_read_##name(struct file *file,              \
134                                         char __user *userbuf,           \
135                                         size_t count, loff_t *ppos)     \
136 {                                                                       \
137         return ieee80211_if_read(file->private_data,                    \
138                                  userbuf, count, ppos,                  \
139                                  ieee80211_if_fmt_##name);              \
140 }
141
142 #define _IEEE80211_IF_FILE_W_FN(name)                                   \
143 static ssize_t ieee80211_if_write_##name(struct file *file,             \
144                                          const char __user *userbuf,    \
145                                          size_t count, loff_t *ppos)    \
146 {                                                                       \
147         return ieee80211_if_write(file->private_data, userbuf, count,   \
148                                   ppos, ieee80211_if_parse_##name);     \
149 }
150
151 #define IEEE80211_IF_FILE_R(name)                                       \
152         _IEEE80211_IF_FILE_R_FN(name)                                   \
153         _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, NULL)
154
155 #define IEEE80211_IF_FILE_W(name)                                       \
156         _IEEE80211_IF_FILE_W_FN(name)                                   \
157         _IEEE80211_IF_FILE_OPS(name, NULL, ieee80211_if_write_##name)
158
159 #define IEEE80211_IF_FILE_RW(name)                                      \
160         _IEEE80211_IF_FILE_R_FN(name)                                   \
161         _IEEE80211_IF_FILE_W_FN(name)                                   \
162         _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name,          \
163                                ieee80211_if_write_##name)
164
165 #define IEEE80211_IF_FILE(name, field, format)                          \
166         IEEE80211_IF_FMT_##format(name, field)                          \
167         IEEE80211_IF_FILE_R(name)
168
169 /* common attributes */
170 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[NL80211_BAND_2GHZ],
171                   HEX);
172 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[NL80211_BAND_5GHZ],
173                   HEX);
174 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
175                   rc_rateidx_mcs_mask[NL80211_BAND_2GHZ], HEXARRAY);
176 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
177                   rc_rateidx_mcs_mask[NL80211_BAND_5GHZ], HEXARRAY);
178
179 static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_2ghz(
180                                 const struct ieee80211_sub_if_data *sdata,
181                                 char *buf, int buflen)
182 {
183         int i, len = 0;
184         const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_2GHZ];
185
186         for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
187                 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]);
188         len += scnprintf(buf + len, buflen - len, "\n");
189
190         return len;
191 }
192
193 IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_2ghz);
194
195 static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_5ghz(
196                                 const struct ieee80211_sub_if_data *sdata,
197                                 char *buf, int buflen)
198 {
199         int i, len = 0;
200         const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_5GHZ];
201
202         for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
203                 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]);
204         len += scnprintf(buf + len, buflen - len, "\n");
205
206         return len;
207 }
208
209 IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_5ghz);
210
211 IEEE80211_IF_FILE(flags, flags, HEX);
212 IEEE80211_IF_FILE(state, state, LHEX);
213 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
214 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
215 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
216
217 static ssize_t
218 ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
219                            char *buf, int buflen)
220 {
221         int len;
222
223         len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
224                         sdata->vif.hw_queue[IEEE80211_AC_VO],
225                         sdata->vif.hw_queue[IEEE80211_AC_VI],
226                         sdata->vif.hw_queue[IEEE80211_AC_BE],
227                         sdata->vif.hw_queue[IEEE80211_AC_BK]);
228
229         if (sdata->vif.type == NL80211_IFTYPE_AP)
230                 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
231                                  sdata->vif.cab_queue);
232
233         return len;
234 }
235 IEEE80211_IF_FILE_R(hw_queues);
236
237 /* STA attributes */
238 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
239 IEEE80211_IF_FILE(aid, vif.bss_conf.aid, DEC);
240 IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
241
242 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
243                               enum ieee80211_smps_mode smps_mode)
244 {
245         struct ieee80211_local *local = sdata->local;
246         int err;
247
248         if (!(local->hw.wiphy->features & NL80211_FEATURE_STATIC_SMPS) &&
249             smps_mode == IEEE80211_SMPS_STATIC)
250                 return -EINVAL;
251
252         /* auto should be dynamic if in PS mode */
253         if (!(local->hw.wiphy->features & NL80211_FEATURE_DYNAMIC_SMPS) &&
254             (smps_mode == IEEE80211_SMPS_DYNAMIC ||
255              smps_mode == IEEE80211_SMPS_AUTOMATIC))
256                 return -EINVAL;
257
258         if (sdata->vif.type != NL80211_IFTYPE_STATION)
259                 return -EOPNOTSUPP;
260
261         sdata_lock(sdata);
262         err = __ieee80211_request_smps_mgd(sdata, smps_mode);
263         sdata_unlock(sdata);
264
265         return err;
266 }
267
268 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
269         [IEEE80211_SMPS_AUTOMATIC] = "auto",
270         [IEEE80211_SMPS_OFF] = "off",
271         [IEEE80211_SMPS_STATIC] = "static",
272         [IEEE80211_SMPS_DYNAMIC] = "dynamic",
273 };
274
275 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
276                                      char *buf, int buflen)
277 {
278         if (sdata->vif.type == NL80211_IFTYPE_STATION)
279                 return snprintf(buf, buflen, "request: %s\nused: %s\n",
280                                 smps_modes[sdata->u.mgd.req_smps],
281                                 smps_modes[sdata->smps_mode]);
282         return -EINVAL;
283 }
284
285 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
286                                        const char *buf, int buflen)
287 {
288         enum ieee80211_smps_mode mode;
289
290         for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
291                 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
292                         int err = ieee80211_set_smps(sdata, mode);
293                         if (!err)
294                                 return buflen;
295                         return err;
296                 }
297         }
298
299         return -EINVAL;
300 }
301 IEEE80211_IF_FILE_RW(smps);
302
303 static ssize_t ieee80211_if_parse_tkip_mic_test(
304         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
305 {
306         struct ieee80211_local *local = sdata->local;
307         u8 addr[ETH_ALEN];
308         struct sk_buff *skb;
309         struct ieee80211_hdr *hdr;
310         __le16 fc;
311
312         if (!mac_pton(buf, addr))
313                 return -EINVAL;
314
315         if (!ieee80211_sdata_running(sdata))
316                 return -ENOTCONN;
317
318         skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
319         if (!skb)
320                 return -ENOMEM;
321         skb_reserve(skb, local->hw.extra_tx_headroom);
322
323         hdr = skb_put_zero(skb, 24);
324         fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
325
326         switch (sdata->vif.type) {
327         case NL80211_IFTYPE_AP:
328                 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
329                 /* DA BSSID SA */
330                 memcpy(hdr->addr1, addr, ETH_ALEN);
331                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
332                 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
333                 break;
334         case NL80211_IFTYPE_STATION:
335                 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
336                 /* BSSID SA DA */
337                 sdata_lock(sdata);
338                 if (!sdata->u.mgd.associated) {
339                         sdata_unlock(sdata);
340                         dev_kfree_skb(skb);
341                         return -ENOTCONN;
342                 }
343                 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
344                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
345                 memcpy(hdr->addr3, addr, ETH_ALEN);
346                 sdata_unlock(sdata);
347                 break;
348         default:
349                 dev_kfree_skb(skb);
350                 return -EOPNOTSUPP;
351         }
352         hdr->frame_control = fc;
353
354         /*
355          * Add some length to the test frame to make it look bit more valid.
356          * The exact contents does not matter since the recipient is required
357          * to drop this because of the Michael MIC failure.
358          */
359         skb_put_zero(skb, 50);
360
361         IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
362
363         ieee80211_tx_skb(sdata, skb);
364
365         return buflen;
366 }
367 IEEE80211_IF_FILE_W(tkip_mic_test);
368
369 static ssize_t ieee80211_if_parse_beacon_loss(
370         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
371 {
372         if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc)
373                 return -ENOTCONN;
374
375         ieee80211_beacon_loss(&sdata->vif);
376
377         return buflen;
378 }
379 IEEE80211_IF_FILE_W(beacon_loss);
380
381 static ssize_t ieee80211_if_fmt_uapsd_queues(
382         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
383 {
384         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
385
386         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
387 }
388
389 static ssize_t ieee80211_if_parse_uapsd_queues(
390         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
391 {
392         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
393         u8 val;
394         int ret;
395
396         ret = kstrtou8(buf, 0, &val);
397         if (ret)
398                 return ret;
399
400         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
401                 return -ERANGE;
402
403         ifmgd->uapsd_queues = val;
404
405         return buflen;
406 }
407 IEEE80211_IF_FILE_RW(uapsd_queues);
408
409 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
410         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
411 {
412         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
413
414         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
415 }
416
417 static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
418         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
419 {
420         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
421         unsigned long val;
422         int ret;
423
424         ret = kstrtoul(buf, 0, &val);
425         if (ret)
426                 return -EINVAL;
427
428         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
429                 return -ERANGE;
430
431         ifmgd->uapsd_max_sp_len = val;
432
433         return buflen;
434 }
435 IEEE80211_IF_FILE_RW(uapsd_max_sp_len);
436
437 static ssize_t ieee80211_if_fmt_tdls_wider_bw(
438         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
439 {
440         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
441         bool tdls_wider_bw;
442
443         tdls_wider_bw = ieee80211_hw_check(&sdata->local->hw, TDLS_WIDER_BW) &&
444                         !ifmgd->tdls_wider_bw_prohibited;
445
446         return snprintf(buf, buflen, "%d\n", tdls_wider_bw);
447 }
448
449 static ssize_t ieee80211_if_parse_tdls_wider_bw(
450         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
451 {
452         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
453         u8 val;
454         int ret;
455
456         ret = kstrtou8(buf, 0, &val);
457         if (ret)
458                 return ret;
459
460         ifmgd->tdls_wider_bw_prohibited = !val;
461         return buflen;
462 }
463 IEEE80211_IF_FILE_RW(tdls_wider_bw);
464
465 /* AP attributes */
466 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
467 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
468 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
469 IEEE80211_IF_FILE(num_mcast_sta_vlan, u.vlan.num_mcast_sta, ATOMIC);
470
471 static ssize_t ieee80211_if_fmt_num_buffered_multicast(
472         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
473 {
474         return scnprintf(buf, buflen, "%u\n",
475                          skb_queue_len(&sdata->u.ap.ps.bc_buf));
476 }
477 IEEE80211_IF_FILE_R(num_buffered_multicast);
478
479 static ssize_t ieee80211_if_fmt_aqm(
480         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
481 {
482         struct ieee80211_local *local = sdata->local;
483         struct txq_info *txqi;
484         int len;
485
486         if (!sdata->vif.txq)
487                 return 0;
488
489         txqi = to_txq_info(sdata->vif.txq);
490
491         spin_lock_bh(&local->fq.lock);
492         rcu_read_lock();
493
494         len = scnprintf(buf,
495                         buflen,
496                         "ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets\n"
497                         "%u %u %u %u %u %u %u %u %u %u\n",
498                         txqi->txq.ac,
499                         txqi->tin.backlog_bytes,
500                         txqi->tin.backlog_packets,
501                         txqi->tin.flows,
502                         txqi->cstats.drop_count,
503                         txqi->cstats.ecn_mark,
504                         txqi->tin.overlimit,
505                         txqi->tin.collisions,
506                         txqi->tin.tx_bytes,
507                         txqi->tin.tx_packets);
508
509         rcu_read_unlock();
510         spin_unlock_bh(&local->fq.lock);
511
512         return len;
513 }
514 IEEE80211_IF_FILE_R(aqm);
515
516 IEEE80211_IF_FILE(multicast_to_unicast, u.ap.multicast_to_unicast, HEX);
517
518 /* IBSS attributes */
519 static ssize_t ieee80211_if_fmt_tsf(
520         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
521 {
522         struct ieee80211_local *local = sdata->local;
523         u64 tsf;
524
525         tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
526
527         return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
528 }
529
530 static ssize_t ieee80211_if_parse_tsf(
531         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
532 {
533         struct ieee80211_local *local = sdata->local;
534         unsigned long long tsf;
535         int ret;
536         int tsf_is_delta = 0;
537
538         if (strncmp(buf, "reset", 5) == 0) {
539                 if (local->ops->reset_tsf) {
540                         drv_reset_tsf(local, sdata);
541                         wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
542                 }
543         } else {
544                 if (buflen > 10 && buf[1] == '=') {
545                         if (buf[0] == '+')
546                                 tsf_is_delta = 1;
547                         else if (buf[0] == '-')
548                                 tsf_is_delta = -1;
549                         else
550                                 return -EINVAL;
551                         buf += 2;
552                 }
553                 ret = kstrtoull(buf, 10, &tsf);
554                 if (ret < 0)
555                         return ret;
556                 if (tsf_is_delta && local->ops->offset_tsf) {
557                         drv_offset_tsf(local, sdata, tsf_is_delta * tsf);
558                         wiphy_info(local->hw.wiphy,
559                                    "debugfs offset TSF by %018lld\n",
560                                    tsf_is_delta * tsf);
561                 } else if (local->ops->set_tsf) {
562                         if (tsf_is_delta)
563                                 tsf = drv_get_tsf(local, sdata) +
564                                       tsf_is_delta * tsf;
565                         drv_set_tsf(local, sdata, tsf);
566                         wiphy_info(local->hw.wiphy,
567                                    "debugfs set TSF to %#018llx\n", tsf);
568                 }
569         }
570
571         ieee80211_recalc_dtim(local, sdata);
572         return buflen;
573 }
574 IEEE80211_IF_FILE_RW(tsf);
575
576
577 /* WDS attributes */
578 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
579
580 #ifdef CONFIG_MAC80211_MESH
581 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
582
583 /* Mesh stats attributes */
584 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
585 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
586 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
587 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
588 IEEE80211_IF_FILE(dropped_frames_congestion,
589                   u.mesh.mshstats.dropped_frames_congestion, DEC);
590 IEEE80211_IF_FILE(dropped_frames_no_route,
591                   u.mesh.mshstats.dropped_frames_no_route, DEC);
592
593 /* Mesh parameters */
594 IEEE80211_IF_FILE(dot11MeshMaxRetries,
595                   u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
596 IEEE80211_IF_FILE(dot11MeshRetryTimeout,
597                   u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
598 IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
599                   u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
600 IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
601                   u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
602 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
603 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
604 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
605 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
606                   u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
607 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
608                   u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
609 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
610                   u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
611 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
612                   u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
613 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
614                   u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
615 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
616                   u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
617 IEEE80211_IF_FILE(path_refresh_time,
618                   u.mesh.mshcfg.path_refresh_time, DEC);
619 IEEE80211_IF_FILE(min_discovery_timeout,
620                   u.mesh.mshcfg.min_discovery_timeout, DEC);
621 IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
622                   u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
623 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
624                   u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
625 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
626                   u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
627 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
628 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
629 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
630 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
631                   u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
632 IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
633                   u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
634 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
635                   u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
636 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
637 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
638                   u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
639 IEEE80211_IF_FILE(dot11MeshConnectedToMeshGate,
640                   u.mesh.mshcfg.dot11MeshConnectedToMeshGate, DEC);
641 IEEE80211_IF_FILE(dot11MeshNolearn, u.mesh.mshcfg.dot11MeshNolearn, DEC);
642 IEEE80211_IF_FILE(dot11MeshConnectedToAuthServer,
643                   u.mesh.mshcfg.dot11MeshConnectedToAuthServer, DEC);
644 #endif
645
646 #define DEBUGFS_ADD_MODE(name, mode) \
647         debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
648                             sdata, &name##_ops);
649
650 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
651
652 static void add_common_files(struct ieee80211_sub_if_data *sdata)
653 {
654         DEBUGFS_ADD(rc_rateidx_mask_2ghz);
655         DEBUGFS_ADD(rc_rateidx_mask_5ghz);
656         DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
657         DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
658         DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_2ghz);
659         DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_5ghz);
660         DEBUGFS_ADD(hw_queues);
661
662         if (sdata->local->ops->wake_tx_queue &&
663             sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE &&
664             sdata->vif.type != NL80211_IFTYPE_NAN)
665                 DEBUGFS_ADD(aqm);
666 }
667
668 static void add_sta_files(struct ieee80211_sub_if_data *sdata)
669 {
670         DEBUGFS_ADD(bssid);
671         DEBUGFS_ADD(aid);
672         DEBUGFS_ADD(beacon_timeout);
673         DEBUGFS_ADD_MODE(smps, 0600);
674         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
675         DEBUGFS_ADD_MODE(beacon_loss, 0200);
676         DEBUGFS_ADD_MODE(uapsd_queues, 0600);
677         DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
678         DEBUGFS_ADD_MODE(tdls_wider_bw, 0600);
679 }
680
681 static void add_ap_files(struct ieee80211_sub_if_data *sdata)
682 {
683         DEBUGFS_ADD(num_mcast_sta);
684         DEBUGFS_ADD_MODE(smps, 0600);
685         DEBUGFS_ADD(num_sta_ps);
686         DEBUGFS_ADD(dtim_count);
687         DEBUGFS_ADD(num_buffered_multicast);
688         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
689         DEBUGFS_ADD_MODE(multicast_to_unicast, 0600);
690 }
691
692 static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
693 {
694         /* add num_mcast_sta_vlan using name num_mcast_sta */
695         debugfs_create_file("num_mcast_sta", 0400, sdata->vif.debugfs_dir,
696                             sdata, &num_mcast_sta_vlan_ops);
697 }
698
699 static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
700 {
701         DEBUGFS_ADD_MODE(tsf, 0600);
702 }
703
704 static void add_wds_files(struct ieee80211_sub_if_data *sdata)
705 {
706         DEBUGFS_ADD(peer);
707 }
708
709 #ifdef CONFIG_MAC80211_MESH
710
711 static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
712 {
713         DEBUGFS_ADD_MODE(tsf, 0600);
714         DEBUGFS_ADD_MODE(estab_plinks, 0400);
715 }
716
717 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
718 {
719         struct dentry *dir = debugfs_create_dir("mesh_stats",
720                                                 sdata->vif.debugfs_dir);
721 #define MESHSTATS_ADD(name)\
722         debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
723
724         MESHSTATS_ADD(fwded_mcast);
725         MESHSTATS_ADD(fwded_unicast);
726         MESHSTATS_ADD(fwded_frames);
727         MESHSTATS_ADD(dropped_frames_ttl);
728         MESHSTATS_ADD(dropped_frames_no_route);
729         MESHSTATS_ADD(dropped_frames_congestion);
730 #undef MESHSTATS_ADD
731 }
732
733 static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
734 {
735         struct dentry *dir = debugfs_create_dir("mesh_config",
736                                                 sdata->vif.debugfs_dir);
737
738 #define MESHPARAMS_ADD(name) \
739         debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
740
741         MESHPARAMS_ADD(dot11MeshMaxRetries);
742         MESHPARAMS_ADD(dot11MeshRetryTimeout);
743         MESHPARAMS_ADD(dot11MeshConfirmTimeout);
744         MESHPARAMS_ADD(dot11MeshHoldingTimeout);
745         MESHPARAMS_ADD(dot11MeshTTL);
746         MESHPARAMS_ADD(element_ttl);
747         MESHPARAMS_ADD(auto_open_plinks);
748         MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
749         MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
750         MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
751         MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
752         MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
753         MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
754         MESHPARAMS_ADD(path_refresh_time);
755         MESHPARAMS_ADD(min_discovery_timeout);
756         MESHPARAMS_ADD(dot11MeshHWMPRootMode);
757         MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
758         MESHPARAMS_ADD(dot11MeshForwarding);
759         MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
760         MESHPARAMS_ADD(rssi_threshold);
761         MESHPARAMS_ADD(ht_opmode);
762         MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
763         MESHPARAMS_ADD(dot11MeshHWMProotInterval);
764         MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
765         MESHPARAMS_ADD(power_mode);
766         MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
767         MESHPARAMS_ADD(dot11MeshConnectedToMeshGate);
768         MESHPARAMS_ADD(dot11MeshNolearn);
769         MESHPARAMS_ADD(dot11MeshConnectedToAuthServer);
770 #undef MESHPARAMS_ADD
771 }
772 #endif
773
774 static void add_files(struct ieee80211_sub_if_data *sdata)
775 {
776         if (!sdata->vif.debugfs_dir)
777                 return;
778
779         DEBUGFS_ADD(flags);
780         DEBUGFS_ADD(state);
781         DEBUGFS_ADD(txpower);
782         DEBUGFS_ADD(user_power_level);
783         DEBUGFS_ADD(ap_power_level);
784
785         if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
786                 add_common_files(sdata);
787
788         switch (sdata->vif.type) {
789         case NL80211_IFTYPE_MESH_POINT:
790 #ifdef CONFIG_MAC80211_MESH
791                 add_mesh_files(sdata);
792                 add_mesh_stats(sdata);
793                 add_mesh_config(sdata);
794 #endif
795                 break;
796         case NL80211_IFTYPE_STATION:
797                 add_sta_files(sdata);
798                 break;
799         case NL80211_IFTYPE_ADHOC:
800                 add_ibss_files(sdata);
801                 break;
802         case NL80211_IFTYPE_AP:
803                 add_ap_files(sdata);
804                 break;
805         case NL80211_IFTYPE_AP_VLAN:
806                 add_vlan_files(sdata);
807                 break;
808         case NL80211_IFTYPE_WDS:
809                 add_wds_files(sdata);
810                 break;
811         default:
812                 break;
813         }
814 }
815
816 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
817 {
818         char buf[10+IFNAMSIZ];
819
820         sprintf(buf, "netdev:%s", sdata->name);
821         sdata->vif.debugfs_dir = debugfs_create_dir(buf,
822                 sdata->local->hw.wiphy->debugfsdir);
823         sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
824                                                         sdata->vif.debugfs_dir);
825         add_files(sdata);
826 }
827
828 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
829 {
830         if (!sdata->vif.debugfs_dir)
831                 return;
832
833         debugfs_remove_recursive(sdata->vif.debugfs_dir);
834         sdata->vif.debugfs_dir = NULL;
835         sdata->debugfs.subdir_stations = NULL;
836 }
837
838 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
839 {
840         struct dentry *dir;
841         char buf[10 + IFNAMSIZ];
842
843         dir = sdata->vif.debugfs_dir;
844
845         if (IS_ERR_OR_NULL(dir))
846                 return;
847
848         sprintf(buf, "netdev:%s", sdata->name);
849         debugfs_rename(dir->d_parent, dir, dir->d_parent, buf);
850 }