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 if (sdata->dev->reg_state == NETREG_REGISTERED) 38 ret = (*format)(sdata, buf, sizeof(buf)); 39 read_unlock(&dev_base_lock); 40 41 if (ret >= 0) 42 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret); 43 44 return ret; 45 } 46 47 static ssize_t ieee80211_if_write( 48 struct ieee80211_sub_if_data *sdata, 49 const char __user *userbuf, 50 size_t count, loff_t *ppos, 51 ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int)) 52 { 53 char buf[64]; 54 ssize_t ret; 55 56 if (count >= sizeof(buf)) 57 return -E2BIG; 58 59 if (copy_from_user(buf, userbuf, count)) 60 return -EFAULT; 61 buf[count] = '\0'; 62 63 ret = -ENODEV; 64 rtnl_lock(); 65 if (sdata->dev->reg_state == NETREG_REGISTERED) 66 ret = (*write)(sdata, buf, count); 67 rtnl_unlock(); 68 69 return ret; 70 } 71 72 #define IEEE80211_IF_FMT(name, field, format_string) \ 73 static ssize_t ieee80211_if_fmt_##name( \ 74 const struct ieee80211_sub_if_data *sdata, char *buf, \ 75 int buflen) \ 76 { \ 77 return scnprintf(buf, buflen, format_string, sdata->field); \ 78 } 79 #define IEEE80211_IF_FMT_DEC(name, field) \ 80 IEEE80211_IF_FMT(name, field, "%d\n") 81 #define IEEE80211_IF_FMT_HEX(name, field) \ 82 IEEE80211_IF_FMT(name, field, "%#x\n") 83 #define IEEE80211_IF_FMT_LHEX(name, field) \ 84 IEEE80211_IF_FMT(name, field, "%#lx\n") 85 #define IEEE80211_IF_FMT_SIZE(name, field) \ 86 IEEE80211_IF_FMT(name, field, "%zd\n") 87 88 #define IEEE80211_IF_FMT_HEXARRAY(name, field) \ 89 static ssize_t ieee80211_if_fmt_##name( \ 90 const struct ieee80211_sub_if_data *sdata, \ 91 char *buf, int buflen) \ 92 { \ 93 char *p = buf; \ 94 int i; \ 95 for (i = 0; i < sizeof(sdata->field); i++) { \ 96 p += scnprintf(p, buflen + buf - p, "%.2x ", \ 97 sdata->field[i]); \ 98 } \ 99 p += scnprintf(p, buflen + buf - p, "\n"); \ 100 return p - buf; \ 101 } 102 103 #define IEEE80211_IF_FMT_ATOMIC(name, field) \ 104 static ssize_t ieee80211_if_fmt_##name( \ 105 const struct ieee80211_sub_if_data *sdata, \ 106 char *buf, int buflen) \ 107 { \ 108 return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\ 109 } 110 111 #define IEEE80211_IF_FMT_MAC(name, field) \ 112 static ssize_t ieee80211_if_fmt_##name( \ 113 const struct ieee80211_sub_if_data *sdata, char *buf, \ 114 int buflen) \ 115 { \ 116 return scnprintf(buf, buflen, "%pM\n", sdata->field); \ 117 } 118 119 #define IEEE80211_IF_FMT_DEC_DIV_16(name, field) \ 120 static ssize_t ieee80211_if_fmt_##name( \ 121 const struct ieee80211_sub_if_data *sdata, \ 122 char *buf, int buflen) \ 123 { \ 124 return scnprintf(buf, buflen, "%d\n", sdata->field / 16); \ 125 } 126 127 #define IEEE80211_IF_FMT_JIFFIES_TO_MS(name, field) \ 128 static ssize_t ieee80211_if_fmt_##name( \ 129 const struct ieee80211_sub_if_data *sdata, \ 130 char *buf, int buflen) \ 131 { \ 132 return scnprintf(buf, buflen, "%d\n", \ 133 jiffies_to_msecs(sdata->field)); \ 134 } 135 136 #define __IEEE80211_IF_FILE(name, _write) \ 137 static ssize_t ieee80211_if_read_##name(struct file *file, \ 138 char __user *userbuf, \ 139 size_t count, loff_t *ppos) \ 140 { \ 141 return ieee80211_if_read(file->private_data, \ 142 userbuf, count, ppos, \ 143 ieee80211_if_fmt_##name); \ 144 } \ 145 static const struct file_operations name##_ops = { \ 146 .read = ieee80211_if_read_##name, \ 147 .write = (_write), \ 148 .open = simple_open, \ 149 .llseek = generic_file_llseek, \ 150 } 151 152 #define __IEEE80211_IF_FILE_W(name) \ 153 static 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 __IEEE80211_IF_FILE(name, ieee80211_if_write_##name) 161 162 163 #define IEEE80211_IF_FILE(name, field, format) \ 164 IEEE80211_IF_FMT_##format(name, field) \ 165 __IEEE80211_IF_FILE(name, NULL) 166 167 /* common attributes */ 168 IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC); 169 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ], 170 HEX); 171 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ], 172 HEX); 173 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz, 174 rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY); 175 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz, 176 rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY); 177 178 IEEE80211_IF_FILE(flags, flags, HEX); 179 IEEE80211_IF_FILE(state, state, LHEX); 180 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC); 181 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC); 182 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC); 183 184 static ssize_t 185 ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata, 186 char *buf, int buflen) 187 { 188 int len; 189 190 len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n", 191 sdata->vif.hw_queue[IEEE80211_AC_VO], 192 sdata->vif.hw_queue[IEEE80211_AC_VI], 193 sdata->vif.hw_queue[IEEE80211_AC_BE], 194 sdata->vif.hw_queue[IEEE80211_AC_BK]); 195 196 if (sdata->vif.type == NL80211_IFTYPE_AP) 197 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n", 198 sdata->vif.cab_queue); 199 200 return len; 201 } 202 __IEEE80211_IF_FILE(hw_queues, NULL); 203 204 /* STA attributes */ 205 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC); 206 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC); 207 IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC); 208 IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16); 209 IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS); 210 211 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata, 212 enum ieee80211_smps_mode smps_mode) 213 { 214 struct ieee80211_local *local = sdata->local; 215 int err; 216 217 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) && 218 smps_mode == IEEE80211_SMPS_STATIC) 219 return -EINVAL; 220 221 /* auto should be dynamic if in PS mode */ 222 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) && 223 (smps_mode == IEEE80211_SMPS_DYNAMIC || 224 smps_mode == IEEE80211_SMPS_AUTOMATIC)) 225 return -EINVAL; 226 227 if (sdata->vif.type != NL80211_IFTYPE_STATION && 228 sdata->vif.type != NL80211_IFTYPE_AP) 229 return -EOPNOTSUPP; 230 231 sdata_lock(sdata); 232 if (sdata->vif.type == NL80211_IFTYPE_STATION) 233 err = __ieee80211_request_smps_mgd(sdata, smps_mode); 234 else 235 err = __ieee80211_request_smps_ap(sdata, smps_mode); 236 sdata_unlock(sdata); 237 238 return err; 239 } 240 241 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = { 242 [IEEE80211_SMPS_AUTOMATIC] = "auto", 243 [IEEE80211_SMPS_OFF] = "off", 244 [IEEE80211_SMPS_STATIC] = "static", 245 [IEEE80211_SMPS_DYNAMIC] = "dynamic", 246 }; 247 248 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata, 249 char *buf, int buflen) 250 { 251 if (sdata->vif.type == NL80211_IFTYPE_STATION) 252 return snprintf(buf, buflen, "request: %s\nused: %s\n", 253 smps_modes[sdata->u.mgd.req_smps], 254 smps_modes[sdata->smps_mode]); 255 if (sdata->vif.type == NL80211_IFTYPE_AP) 256 return snprintf(buf, buflen, "request: %s\nused: %s\n", 257 smps_modes[sdata->u.ap.req_smps], 258 smps_modes[sdata->smps_mode]); 259 return -EINVAL; 260 } 261 262 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata, 263 const char *buf, int buflen) 264 { 265 enum ieee80211_smps_mode mode; 266 267 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) { 268 if (strncmp(buf, smps_modes[mode], buflen) == 0) { 269 int err = ieee80211_set_smps(sdata, mode); 270 if (!err) 271 return buflen; 272 return err; 273 } 274 } 275 276 return -EINVAL; 277 } 278 279 __IEEE80211_IF_FILE_W(smps); 280 281 static ssize_t ieee80211_if_fmt_tkip_mic_test( 282 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 283 { 284 return -EOPNOTSUPP; 285 } 286 287 static ssize_t ieee80211_if_parse_tkip_mic_test( 288 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 289 { 290 struct ieee80211_local *local = sdata->local; 291 u8 addr[ETH_ALEN]; 292 struct sk_buff *skb; 293 struct ieee80211_hdr *hdr; 294 __le16 fc; 295 296 if (!mac_pton(buf, addr)) 297 return -EINVAL; 298 299 if (!ieee80211_sdata_running(sdata)) 300 return -ENOTCONN; 301 302 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100); 303 if (!skb) 304 return -ENOMEM; 305 skb_reserve(skb, local->hw.extra_tx_headroom); 306 307 hdr = (struct ieee80211_hdr *) skb_put(skb, 24); 308 memset(hdr, 0, 24); 309 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA); 310 311 switch (sdata->vif.type) { 312 case NL80211_IFTYPE_AP: 313 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); 314 /* DA BSSID SA */ 315 memcpy(hdr->addr1, addr, ETH_ALEN); 316 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 317 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN); 318 break; 319 case NL80211_IFTYPE_STATION: 320 fc |= cpu_to_le16(IEEE80211_FCTL_TODS); 321 /* BSSID SA DA */ 322 sdata_lock(sdata); 323 if (!sdata->u.mgd.associated) { 324 sdata_unlock(sdata); 325 dev_kfree_skb(skb); 326 return -ENOTCONN; 327 } 328 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN); 329 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 330 memcpy(hdr->addr3, addr, ETH_ALEN); 331 sdata_unlock(sdata); 332 break; 333 default: 334 dev_kfree_skb(skb); 335 return -EOPNOTSUPP; 336 } 337 hdr->frame_control = fc; 338 339 /* 340 * Add some length to the test frame to make it look bit more valid. 341 * The exact contents does not matter since the recipient is required 342 * to drop this because of the Michael MIC failure. 343 */ 344 memset(skb_put(skb, 50), 0, 50); 345 346 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE; 347 348 ieee80211_tx_skb(sdata, skb); 349 350 return buflen; 351 } 352 353 __IEEE80211_IF_FILE_W(tkip_mic_test); 354 355 static ssize_t ieee80211_if_fmt_uapsd_queues( 356 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 357 { 358 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 359 360 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues); 361 } 362 363 static ssize_t ieee80211_if_parse_uapsd_queues( 364 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 365 { 366 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 367 u8 val; 368 int ret; 369 370 ret = kstrtou8(buf, 0, &val); 371 if (ret) 372 return ret; 373 374 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) 375 return -ERANGE; 376 377 ifmgd->uapsd_queues = val; 378 379 return buflen; 380 } 381 __IEEE80211_IF_FILE_W(uapsd_queues); 382 383 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len( 384 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 385 { 386 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 387 388 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len); 389 } 390 391 static ssize_t ieee80211_if_parse_uapsd_max_sp_len( 392 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 393 { 394 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 395 unsigned long val; 396 int ret; 397 398 ret = kstrtoul(buf, 0, &val); 399 if (ret) 400 return -EINVAL; 401 402 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) 403 return -ERANGE; 404 405 ifmgd->uapsd_max_sp_len = val; 406 407 return buflen; 408 } 409 __IEEE80211_IF_FILE_W(uapsd_max_sp_len); 410 411 /* AP attributes */ 412 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC); 413 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC); 414 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC); 415 416 static ssize_t ieee80211_if_fmt_num_buffered_multicast( 417 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 418 { 419 return scnprintf(buf, buflen, "%u\n", 420 skb_queue_len(&sdata->u.ap.ps.bc_buf)); 421 } 422 __IEEE80211_IF_FILE(num_buffered_multicast, NULL); 423 424 /* IBSS attributes */ 425 static ssize_t ieee80211_if_fmt_tsf( 426 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 427 { 428 struct ieee80211_local *local = sdata->local; 429 u64 tsf; 430 431 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata); 432 433 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf); 434 } 435 436 static ssize_t ieee80211_if_parse_tsf( 437 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 438 { 439 struct ieee80211_local *local = sdata->local; 440 unsigned long long tsf; 441 int ret; 442 int tsf_is_delta = 0; 443 444 if (strncmp(buf, "reset", 5) == 0) { 445 if (local->ops->reset_tsf) { 446 drv_reset_tsf(local, sdata); 447 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n"); 448 } 449 } else { 450 if (buflen > 10 && buf[1] == '=') { 451 if (buf[0] == '+') 452 tsf_is_delta = 1; 453 else if (buf[0] == '-') 454 tsf_is_delta = -1; 455 else 456 return -EINVAL; 457 buf += 2; 458 } 459 ret = kstrtoull(buf, 10, &tsf); 460 if (ret < 0) 461 return ret; 462 if (tsf_is_delta) 463 tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf; 464 if (local->ops->set_tsf) { 465 drv_set_tsf(local, sdata, tsf); 466 wiphy_info(local->hw.wiphy, 467 "debugfs set TSF to %#018llx\n", tsf); 468 } 469 } 470 471 return buflen; 472 } 473 __IEEE80211_IF_FILE_W(tsf); 474 475 476 /* WDS attributes */ 477 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC); 478 479 #ifdef CONFIG_MAC80211_MESH 480 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC); 481 482 /* Mesh stats attributes */ 483 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC); 484 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC); 485 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC); 486 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC); 487 IEEE80211_IF_FILE(dropped_frames_congestion, 488 u.mesh.mshstats.dropped_frames_congestion, DEC); 489 IEEE80211_IF_FILE(dropped_frames_no_route, 490 u.mesh.mshstats.dropped_frames_no_route, DEC); 491 492 /* Mesh parameters */ 493 IEEE80211_IF_FILE(dot11MeshMaxRetries, 494 u.mesh.mshcfg.dot11MeshMaxRetries, DEC); 495 IEEE80211_IF_FILE(dot11MeshRetryTimeout, 496 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC); 497 IEEE80211_IF_FILE(dot11MeshConfirmTimeout, 498 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC); 499 IEEE80211_IF_FILE(dot11MeshHoldingTimeout, 500 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC); 501 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC); 502 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC); 503 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC); 504 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks, 505 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC); 506 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout, 507 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC); 508 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval, 509 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC); 510 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval, 511 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC); 512 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime, 513 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC); 514 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries, 515 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC); 516 IEEE80211_IF_FILE(path_refresh_time, 517 u.mesh.mshcfg.path_refresh_time, DEC); 518 IEEE80211_IF_FILE(min_discovery_timeout, 519 u.mesh.mshcfg.min_discovery_timeout, DEC); 520 IEEE80211_IF_FILE(dot11MeshHWMPRootMode, 521 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC); 522 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol, 523 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC); 524 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval, 525 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC); 526 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC); 527 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC); 528 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC); 529 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout, 530 u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC); 531 IEEE80211_IF_FILE(dot11MeshHWMProotInterval, 532 u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC); 533 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval, 534 u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC); 535 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC); 536 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration, 537 u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC); 538 #endif 539 540 #define DEBUGFS_ADD_MODE(name, mode) \ 541 debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \ 542 sdata, &name##_ops); 543 544 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400) 545 546 static void add_common_files(struct ieee80211_sub_if_data *sdata) 547 { 548 DEBUGFS_ADD(drop_unencrypted); 549 DEBUGFS_ADD(rc_rateidx_mask_2ghz); 550 DEBUGFS_ADD(rc_rateidx_mask_5ghz); 551 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); 552 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); 553 DEBUGFS_ADD(hw_queues); 554 } 555 556 static void add_sta_files(struct ieee80211_sub_if_data *sdata) 557 { 558 DEBUGFS_ADD(bssid); 559 DEBUGFS_ADD(aid); 560 DEBUGFS_ADD(last_beacon); 561 DEBUGFS_ADD(ave_beacon); 562 DEBUGFS_ADD(beacon_timeout); 563 DEBUGFS_ADD_MODE(smps, 0600); 564 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 565 DEBUGFS_ADD_MODE(uapsd_queues, 0600); 566 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600); 567 } 568 569 static void add_ap_files(struct ieee80211_sub_if_data *sdata) 570 { 571 DEBUGFS_ADD(num_mcast_sta); 572 DEBUGFS_ADD_MODE(smps, 0600); 573 DEBUGFS_ADD(num_sta_ps); 574 DEBUGFS_ADD(dtim_count); 575 DEBUGFS_ADD(num_buffered_multicast); 576 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 577 } 578 579 static void add_ibss_files(struct ieee80211_sub_if_data *sdata) 580 { 581 DEBUGFS_ADD_MODE(tsf, 0600); 582 } 583 584 static void add_wds_files(struct ieee80211_sub_if_data *sdata) 585 { 586 DEBUGFS_ADD(peer); 587 } 588 589 #ifdef CONFIG_MAC80211_MESH 590 591 static void add_mesh_files(struct ieee80211_sub_if_data *sdata) 592 { 593 DEBUGFS_ADD_MODE(tsf, 0600); 594 DEBUGFS_ADD_MODE(estab_plinks, 0400); 595 } 596 597 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata) 598 { 599 struct dentry *dir = debugfs_create_dir("mesh_stats", 600 sdata->vif.debugfs_dir); 601 #define MESHSTATS_ADD(name)\ 602 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops); 603 604 MESHSTATS_ADD(fwded_mcast); 605 MESHSTATS_ADD(fwded_unicast); 606 MESHSTATS_ADD(fwded_frames); 607 MESHSTATS_ADD(dropped_frames_ttl); 608 MESHSTATS_ADD(dropped_frames_no_route); 609 MESHSTATS_ADD(dropped_frames_congestion); 610 #undef MESHSTATS_ADD 611 } 612 613 static void add_mesh_config(struct ieee80211_sub_if_data *sdata) 614 { 615 struct dentry *dir = debugfs_create_dir("mesh_config", 616 sdata->vif.debugfs_dir); 617 618 #define MESHPARAMS_ADD(name) \ 619 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops); 620 621 MESHPARAMS_ADD(dot11MeshMaxRetries); 622 MESHPARAMS_ADD(dot11MeshRetryTimeout); 623 MESHPARAMS_ADD(dot11MeshConfirmTimeout); 624 MESHPARAMS_ADD(dot11MeshHoldingTimeout); 625 MESHPARAMS_ADD(dot11MeshTTL); 626 MESHPARAMS_ADD(element_ttl); 627 MESHPARAMS_ADD(auto_open_plinks); 628 MESHPARAMS_ADD(dot11MeshMaxPeerLinks); 629 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout); 630 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval); 631 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval); 632 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime); 633 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries); 634 MESHPARAMS_ADD(path_refresh_time); 635 MESHPARAMS_ADD(min_discovery_timeout); 636 MESHPARAMS_ADD(dot11MeshHWMPRootMode); 637 MESHPARAMS_ADD(dot11MeshHWMPRannInterval); 638 MESHPARAMS_ADD(dot11MeshForwarding); 639 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol); 640 MESHPARAMS_ADD(rssi_threshold); 641 MESHPARAMS_ADD(ht_opmode); 642 MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout); 643 MESHPARAMS_ADD(dot11MeshHWMProotInterval); 644 MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval); 645 MESHPARAMS_ADD(power_mode); 646 MESHPARAMS_ADD(dot11MeshAwakeWindowDuration); 647 #undef MESHPARAMS_ADD 648 } 649 #endif 650 651 static void add_files(struct ieee80211_sub_if_data *sdata) 652 { 653 if (!sdata->vif.debugfs_dir) 654 return; 655 656 DEBUGFS_ADD(flags); 657 DEBUGFS_ADD(state); 658 DEBUGFS_ADD(txpower); 659 DEBUGFS_ADD(user_power_level); 660 DEBUGFS_ADD(ap_power_level); 661 662 if (sdata->vif.type != NL80211_IFTYPE_MONITOR) 663 add_common_files(sdata); 664 665 switch (sdata->vif.type) { 666 case NL80211_IFTYPE_MESH_POINT: 667 #ifdef CONFIG_MAC80211_MESH 668 add_mesh_files(sdata); 669 add_mesh_stats(sdata); 670 add_mesh_config(sdata); 671 #endif 672 break; 673 case NL80211_IFTYPE_STATION: 674 add_sta_files(sdata); 675 break; 676 case NL80211_IFTYPE_ADHOC: 677 add_ibss_files(sdata); 678 break; 679 case NL80211_IFTYPE_AP: 680 add_ap_files(sdata); 681 break; 682 case NL80211_IFTYPE_WDS: 683 add_wds_files(sdata); 684 break; 685 default: 686 break; 687 } 688 } 689 690 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata) 691 { 692 char buf[10+IFNAMSIZ]; 693 694 sprintf(buf, "netdev:%s", sdata->name); 695 sdata->vif.debugfs_dir = debugfs_create_dir(buf, 696 sdata->local->hw.wiphy->debugfsdir); 697 if (sdata->vif.debugfs_dir) 698 sdata->debugfs.subdir_stations = debugfs_create_dir("stations", 699 sdata->vif.debugfs_dir); 700 add_files(sdata); 701 } 702 703 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) 704 { 705 if (!sdata->vif.debugfs_dir) 706 return; 707 708 debugfs_remove_recursive(sdata->vif.debugfs_dir); 709 sdata->vif.debugfs_dir = NULL; 710 } 711 712 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata) 713 { 714 struct dentry *dir; 715 char buf[10 + IFNAMSIZ]; 716 717 dir = sdata->vif.debugfs_dir; 718 719 if (!dir) 720 return; 721 722 sprintf(buf, "netdev:%s", sdata->name); 723 if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf)) 724 sdata_err(sdata, 725 "debugfs: failed to rename debugfs dir to %s\n", 726 buf); 727 } 728