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