linux/net/mac80211/debugfs_netdev.c
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   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
  27static ssize_t ieee80211_if_read(
  28        struct ieee80211_sub_if_data *sdata,
  29        char __user *userbuf,
  30        size_t count, loff_t *ppos,
  31        ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int))
  32{
  33        char buf[70];
  34        ssize_t ret = -EINVAL;
  35
  36        read_lock(&dev_base_lock);
  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
  46static 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)                    \
  71static 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)                          \
  87static 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)                            \
 102static 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)                               \
 110static 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)                        \
 118static 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)                     \
 126static 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_OPS(name, _read, _write)                     \
 135static const struct file_operations name##_ops = {                      \
 136        .read = (_read),                                                \
 137        .write = (_write),                                              \
 138        .open = simple_open,                                            \
 139        .llseek = generic_file_llseek,                                  \
 140}
 141
 142#define _IEEE80211_IF_FILE_R_FN(name)                                   \
 143static ssize_t ieee80211_if_read_##name(struct file *file,              \
 144                                        char __user *userbuf,           \
 145                                        size_t count, loff_t *ppos)     \
 146{                                                                       \
 147        return ieee80211_if_read(file->private_data,                    \
 148                                 userbuf, count, ppos,                  \
 149                                 ieee80211_if_fmt_##name);              \
 150}
 151
 152#define _IEEE80211_IF_FILE_W_FN(name)                                   \
 153static ssize_t ieee80211_if_write_##name(struct file *file,             \
 154                                         const char __user *userbuf,    \
 155                                         size_t count, loff_t *ppos)    \
 156{                                                                       \
 157        return ieee80211_if_write(file->private_data, userbuf, count,   \
 158                                  ppos, ieee80211_if_parse_##name);     \
 159}
 160
 161#define IEEE80211_IF_FILE_R(name)                                       \
 162        _IEEE80211_IF_FILE_R_FN(name)                                   \
 163        _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, NULL)
 164
 165#define IEEE80211_IF_FILE_W(name)                                       \
 166        _IEEE80211_IF_FILE_W_FN(name)                                   \
 167        _IEEE80211_IF_FILE_OPS(name, NULL, ieee80211_if_write_##name)
 168
 169#define IEEE80211_IF_FILE_RW(name)                                      \
 170        _IEEE80211_IF_FILE_R_FN(name)                                   \
 171        _IEEE80211_IF_FILE_W_FN(name)                                   \
 172        _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name,          \
 173                               ieee80211_if_write_##name)
 174
 175#define IEEE80211_IF_FILE(name, field, format)                          \
 176        IEEE80211_IF_FMT_##format(name, field)                          \
 177        IEEE80211_IF_FILE_R(name)
 178
 179/* common attributes */
 180IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
 181IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
 182                  HEX);
 183IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
 184                  HEX);
 185IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
 186                  rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
 187IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
 188                  rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
 189
 190IEEE80211_IF_FILE(flags, flags, HEX);
 191IEEE80211_IF_FILE(state, state, LHEX);
 192IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
 193IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
 194IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
 195
 196static ssize_t
 197ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
 198                           char *buf, int buflen)
 199{
 200        int len;
 201
 202        len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
 203                        sdata->vif.hw_queue[IEEE80211_AC_VO],
 204                        sdata->vif.hw_queue[IEEE80211_AC_VI],
 205                        sdata->vif.hw_queue[IEEE80211_AC_BE],
 206                        sdata->vif.hw_queue[IEEE80211_AC_BK]);
 207
 208        if (sdata->vif.type == NL80211_IFTYPE_AP)
 209                len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
 210                                 sdata->vif.cab_queue);
 211
 212        return len;
 213}
 214IEEE80211_IF_FILE_R(hw_queues);
 215
 216/* STA attributes */
 217IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
 218IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
 219IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
 220IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
 221IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
 222
 223static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
 224                              enum ieee80211_smps_mode smps_mode)
 225{
 226        struct ieee80211_local *local = sdata->local;
 227        int err;
 228
 229        if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
 230            smps_mode == IEEE80211_SMPS_STATIC)
 231                return -EINVAL;
 232
 233        /* auto should be dynamic if in PS mode */
 234        if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
 235            (smps_mode == IEEE80211_SMPS_DYNAMIC ||
 236             smps_mode == IEEE80211_SMPS_AUTOMATIC))
 237                return -EINVAL;
 238
 239        if (sdata->vif.type != NL80211_IFTYPE_STATION &&
 240            sdata->vif.type != NL80211_IFTYPE_AP)
 241                return -EOPNOTSUPP;
 242
 243        sdata_lock(sdata);
 244        if (sdata->vif.type == NL80211_IFTYPE_STATION)
 245                err = __ieee80211_request_smps_mgd(sdata, smps_mode);
 246        else
 247                err = __ieee80211_request_smps_ap(sdata, smps_mode);
 248        sdata_unlock(sdata);
 249
 250        return err;
 251}
 252
 253static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
 254        [IEEE80211_SMPS_AUTOMATIC] = "auto",
 255        [IEEE80211_SMPS_OFF] = "off",
 256        [IEEE80211_SMPS_STATIC] = "static",
 257        [IEEE80211_SMPS_DYNAMIC] = "dynamic",
 258};
 259
 260static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
 261                                     char *buf, int buflen)
 262{
 263        if (sdata->vif.type == NL80211_IFTYPE_STATION)
 264                return snprintf(buf, buflen, "request: %s\nused: %s\n",
 265                                smps_modes[sdata->u.mgd.req_smps],
 266                                smps_modes[sdata->smps_mode]);
 267        if (sdata->vif.type == NL80211_IFTYPE_AP)
 268                return snprintf(buf, buflen, "request: %s\nused: %s\n",
 269                                smps_modes[sdata->u.ap.req_smps],
 270                                smps_modes[sdata->smps_mode]);
 271        return -EINVAL;
 272}
 273
 274static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
 275                                       const char *buf, int buflen)
 276{
 277        enum ieee80211_smps_mode mode;
 278
 279        for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
 280                if (strncmp(buf, smps_modes[mode], buflen) == 0) {
 281                        int err = ieee80211_set_smps(sdata, mode);
 282                        if (!err)
 283                                return buflen;
 284                        return err;
 285                }
 286        }
 287
 288        return -EINVAL;
 289}
 290IEEE80211_IF_FILE_RW(smps);
 291
 292static ssize_t ieee80211_if_parse_tkip_mic_test(
 293        struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 294{
 295        struct ieee80211_local *local = sdata->local;
 296        u8 addr[ETH_ALEN];
 297        struct sk_buff *skb;
 298        struct ieee80211_hdr *hdr;
 299        __le16 fc;
 300
 301        if (!mac_pton(buf, addr))
 302                return -EINVAL;
 303
 304        if (!ieee80211_sdata_running(sdata))
 305                return -ENOTCONN;
 306
 307        skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
 308        if (!skb)
 309                return -ENOMEM;
 310        skb_reserve(skb, local->hw.extra_tx_headroom);
 311
 312        hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
 313        memset(hdr, 0, 24);
 314        fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
 315
 316        switch (sdata->vif.type) {
 317        case NL80211_IFTYPE_AP:
 318                fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
 319                /* DA BSSID SA */
 320                memcpy(hdr->addr1, addr, ETH_ALEN);
 321                memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
 322                memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
 323                break;
 324        case NL80211_IFTYPE_STATION:
 325                fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
 326                /* BSSID SA DA */
 327                sdata_lock(sdata);
 328                if (!sdata->u.mgd.associated) {
 329                        sdata_unlock(sdata);
 330                        dev_kfree_skb(skb);
 331                        return -ENOTCONN;
 332                }
 333                memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
 334                memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
 335                memcpy(hdr->addr3, addr, ETH_ALEN);
 336                sdata_unlock(sdata);
 337                break;
 338        default:
 339                dev_kfree_skb(skb);
 340                return -EOPNOTSUPP;
 341        }
 342        hdr->frame_control = fc;
 343
 344        /*
 345         * Add some length to the test frame to make it look bit more valid.
 346         * The exact contents does not matter since the recipient is required
 347         * to drop this because of the Michael MIC failure.
 348         */
 349        memset(skb_put(skb, 50), 0, 50);
 350
 351        IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
 352
 353        ieee80211_tx_skb(sdata, skb);
 354
 355        return buflen;
 356}
 357IEEE80211_IF_FILE_W(tkip_mic_test);
 358
 359static ssize_t ieee80211_if_parse_beacon_loss(
 360        struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 361{
 362        if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc)
 363                return -ENOTCONN;
 364
 365        ieee80211_beacon_loss(&sdata->vif);
 366
 367        return buflen;
 368}
 369IEEE80211_IF_FILE_W(beacon_loss);
 370
 371static ssize_t ieee80211_if_fmt_uapsd_queues(
 372        const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 373{
 374        const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 375
 376        return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
 377}
 378
 379static ssize_t ieee80211_if_parse_uapsd_queues(
 380        struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 381{
 382        struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 383        u8 val;
 384        int ret;
 385
 386        ret = kstrtou8(buf, 0, &val);
 387        if (ret)
 388                return ret;
 389
 390        if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
 391                return -ERANGE;
 392
 393        ifmgd->uapsd_queues = val;
 394
 395        return buflen;
 396}
 397IEEE80211_IF_FILE_RW(uapsd_queues);
 398
 399static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
 400        const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 401{
 402        const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 403
 404        return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
 405}
 406
 407static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
 408        struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 409{
 410        struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 411        unsigned long val;
 412        int ret;
 413
 414        ret = kstrtoul(buf, 0, &val);
 415        if (ret)
 416                return -EINVAL;
 417
 418        if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
 419                return -ERANGE;
 420
 421        ifmgd->uapsd_max_sp_len = val;
 422
 423        return buflen;
 424}
 425IEEE80211_IF_FILE_RW(uapsd_max_sp_len);
 426
 427/* AP attributes */
 428IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
 429IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
 430IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
 431
 432static ssize_t ieee80211_if_fmt_num_buffered_multicast(
 433        const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 434{
 435        return scnprintf(buf, buflen, "%u\n",
 436                         skb_queue_len(&sdata->u.ap.ps.bc_buf));
 437}
 438IEEE80211_IF_FILE_R(num_buffered_multicast);
 439
 440/* IBSS attributes */
 441static ssize_t ieee80211_if_fmt_tsf(
 442        const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 443{
 444        struct ieee80211_local *local = sdata->local;
 445        u64 tsf;
 446
 447        tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
 448
 449        return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
 450}
 451
 452static ssize_t ieee80211_if_parse_tsf(
 453        struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 454{
 455        struct ieee80211_local *local = sdata->local;
 456        unsigned long long tsf;
 457        int ret;
 458        int tsf_is_delta = 0;
 459
 460        if (strncmp(buf, "reset", 5) == 0) {
 461                if (local->ops->reset_tsf) {
 462                        drv_reset_tsf(local, sdata);
 463                        wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
 464                }
 465        } else {
 466                if (buflen > 10 && buf[1] == '=') {
 467                        if (buf[0] == '+')
 468                                tsf_is_delta = 1;
 469                        else if (buf[0] == '-')
 470                                tsf_is_delta = -1;
 471                        else
 472                                return -EINVAL;
 473                        buf += 2;
 474                }
 475                ret = kstrtoull(buf, 10, &tsf);
 476                if (ret < 0)
 477                        return ret;
 478                if (tsf_is_delta)
 479                        tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
 480                if (local->ops->set_tsf) {
 481                        drv_set_tsf(local, sdata, tsf);
 482                        wiphy_info(local->hw.wiphy,
 483                                   "debugfs set TSF to %#018llx\n", tsf);
 484                }
 485        }
 486
 487        ieee80211_recalc_dtim(local, sdata);
 488        return buflen;
 489}
 490IEEE80211_IF_FILE_RW(tsf);
 491
 492
 493/* WDS attributes */
 494IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
 495
 496#ifdef CONFIG_MAC80211_MESH
 497IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
 498
 499/* Mesh stats attributes */
 500IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
 501IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
 502IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
 503IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
 504IEEE80211_IF_FILE(dropped_frames_congestion,
 505                  u.mesh.mshstats.dropped_frames_congestion, DEC);
 506IEEE80211_IF_FILE(dropped_frames_no_route,
 507                  u.mesh.mshstats.dropped_frames_no_route, DEC);
 508
 509/* Mesh parameters */
 510IEEE80211_IF_FILE(dot11MeshMaxRetries,
 511                  u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
 512IEEE80211_IF_FILE(dot11MeshRetryTimeout,
 513                  u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
 514IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
 515                  u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
 516IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
 517                  u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
 518IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
 519IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
 520IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
 521IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
 522                  u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
 523IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
 524                  u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
 525IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
 526                  u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
 527IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
 528                  u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
 529IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
 530                  u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
 531IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
 532                  u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
 533IEEE80211_IF_FILE(path_refresh_time,
 534                  u.mesh.mshcfg.path_refresh_time, DEC);
 535IEEE80211_IF_FILE(min_discovery_timeout,
 536                  u.mesh.mshcfg.min_discovery_timeout, DEC);
 537IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
 538                  u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
 539IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
 540                  u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
 541IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
 542                  u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
 543IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
 544IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
 545IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
 546IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
 547                  u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
 548IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
 549                  u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
 550IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
 551                  u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
 552IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
 553IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
 554                  u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
 555#endif
 556
 557#define DEBUGFS_ADD_MODE(name, mode) \
 558        debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
 559                            sdata, &name##_ops);
 560
 561#define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
 562
 563static void add_common_files(struct ieee80211_sub_if_data *sdata)
 564{
 565        DEBUGFS_ADD(drop_unencrypted);
 566        DEBUGFS_ADD(rc_rateidx_mask_2ghz);
 567        DEBUGFS_ADD(rc_rateidx_mask_5ghz);
 568        DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
 569        DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
 570        DEBUGFS_ADD(hw_queues);
 571}
 572
 573static void add_sta_files(struct ieee80211_sub_if_data *sdata)
 574{
 575        DEBUGFS_ADD(bssid);
 576        DEBUGFS_ADD(aid);
 577        DEBUGFS_ADD(last_beacon);
 578        DEBUGFS_ADD(ave_beacon);
 579        DEBUGFS_ADD(beacon_timeout);
 580        DEBUGFS_ADD_MODE(smps, 0600);
 581        DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 582        DEBUGFS_ADD_MODE(beacon_loss, 0200);
 583        DEBUGFS_ADD_MODE(uapsd_queues, 0600);
 584        DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
 585}
 586
 587static void add_ap_files(struct ieee80211_sub_if_data *sdata)
 588{
 589        DEBUGFS_ADD(num_mcast_sta);
 590        DEBUGFS_ADD_MODE(smps, 0600);
 591        DEBUGFS_ADD(num_sta_ps);
 592        DEBUGFS_ADD(dtim_count);
 593        DEBUGFS_ADD(num_buffered_multicast);
 594        DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 595}
 596
 597static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
 598{
 599        DEBUGFS_ADD_MODE(tsf, 0600);
 600}
 601
 602static void add_wds_files(struct ieee80211_sub_if_data *sdata)
 603{
 604        DEBUGFS_ADD(peer);
 605}
 606
 607#ifdef CONFIG_MAC80211_MESH
 608
 609static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
 610{
 611        DEBUGFS_ADD_MODE(tsf, 0600);
 612        DEBUGFS_ADD_MODE(estab_plinks, 0400);
 613}
 614
 615static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
 616{
 617        struct dentry *dir = debugfs_create_dir("mesh_stats",
 618                                                sdata->vif.debugfs_dir);
 619#define MESHSTATS_ADD(name)\
 620        debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
 621
 622        MESHSTATS_ADD(fwded_mcast);
 623        MESHSTATS_ADD(fwded_unicast);
 624        MESHSTATS_ADD(fwded_frames);
 625        MESHSTATS_ADD(dropped_frames_ttl);
 626        MESHSTATS_ADD(dropped_frames_no_route);
 627        MESHSTATS_ADD(dropped_frames_congestion);
 628#undef MESHSTATS_ADD
 629}
 630
 631static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
 632{
 633        struct dentry *dir = debugfs_create_dir("mesh_config",
 634                                                sdata->vif.debugfs_dir);
 635
 636#define MESHPARAMS_ADD(name) \
 637        debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
 638
 639        MESHPARAMS_ADD(dot11MeshMaxRetries);
 640        MESHPARAMS_ADD(dot11MeshRetryTimeout);
 641        MESHPARAMS_ADD(dot11MeshConfirmTimeout);
 642        MESHPARAMS_ADD(dot11MeshHoldingTimeout);
 643        MESHPARAMS_ADD(dot11MeshTTL);
 644        MESHPARAMS_ADD(element_ttl);
 645        MESHPARAMS_ADD(auto_open_plinks);
 646        MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
 647        MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
 648        MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
 649        MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
 650        MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
 651        MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
 652        MESHPARAMS_ADD(path_refresh_time);
 653        MESHPARAMS_ADD(min_discovery_timeout);
 654        MESHPARAMS_ADD(dot11MeshHWMPRootMode);
 655        MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
 656        MESHPARAMS_ADD(dot11MeshForwarding);
 657        MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
 658        MESHPARAMS_ADD(rssi_threshold);
 659        MESHPARAMS_ADD(ht_opmode);
 660        MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
 661        MESHPARAMS_ADD(dot11MeshHWMProotInterval);
 662        MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
 663        MESHPARAMS_ADD(power_mode);
 664        MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
 665#undef MESHPARAMS_ADD
 666}
 667#endif
 668
 669static void add_files(struct ieee80211_sub_if_data *sdata)
 670{
 671        if (!sdata->vif.debugfs_dir)
 672                return;
 673
 674        DEBUGFS_ADD(flags);
 675        DEBUGFS_ADD(state);
 676        DEBUGFS_ADD(txpower);
 677        DEBUGFS_ADD(user_power_level);
 678        DEBUGFS_ADD(ap_power_level);
 679
 680        if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
 681                add_common_files(sdata);
 682
 683        switch (sdata->vif.type) {
 684        case NL80211_IFTYPE_MESH_POINT:
 685#ifdef CONFIG_MAC80211_MESH
 686                add_mesh_files(sdata);
 687                add_mesh_stats(sdata);
 688                add_mesh_config(sdata);
 689#endif
 690                break;
 691        case NL80211_IFTYPE_STATION:
 692                add_sta_files(sdata);
 693                break;
 694        case NL80211_IFTYPE_ADHOC:
 695                add_ibss_files(sdata);
 696                break;
 697        case NL80211_IFTYPE_AP:
 698                add_ap_files(sdata);
 699                break;
 700        case NL80211_IFTYPE_WDS:
 701                add_wds_files(sdata);
 702                break;
 703        default:
 704                break;
 705        }
 706}
 707
 708void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
 709{
 710        char buf[10+IFNAMSIZ];
 711
 712        sprintf(buf, "netdev:%s", sdata->name);
 713        sdata->vif.debugfs_dir = debugfs_create_dir(buf,
 714                sdata->local->hw.wiphy->debugfsdir);
 715        if (sdata->vif.debugfs_dir)
 716                sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
 717                        sdata->vif.debugfs_dir);
 718        add_files(sdata);
 719}
 720
 721void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
 722{
 723        if (!sdata->vif.debugfs_dir)
 724                return;
 725
 726        debugfs_remove_recursive(sdata->vif.debugfs_dir);
 727        sdata->vif.debugfs_dir = NULL;
 728}
 729
 730void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
 731{
 732        struct dentry *dir;
 733        char buf[10 + IFNAMSIZ];
 734
 735        dir = sdata->vif.debugfs_dir;
 736
 737        if (!dir)
 738                return;
 739
 740        sprintf(buf, "netdev:%s", sdata->name);
 741        if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
 742                sdata_err(sdata,
 743                          "debugfs: failed to rename debugfs dir to %s\n",
 744                          buf);
 745}
 746