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/interrupt.h> 14 #include <linux/netdevice.h> 15 #include <linux/rtnetlink.h> 16 #include <linux/slab.h> 17 #include <linux/notifier.h> 18 #include <net/mac80211.h> 19 #include <net/cfg80211.h> 20 #include "ieee80211_i.h" 21 #include "rate.h" 22 #include "debugfs.h" 23 #include "debugfs_netdev.h" 24 #include "driver-ops.h" 25 26 static ssize_t ieee80211_if_read( 27 struct ieee80211_sub_if_data *sdata, 28 char __user *userbuf, 29 size_t count, loff_t *ppos, 30 ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int)) 31 { 32 char buf[70]; 33 ssize_t ret = -EINVAL; 34 35 read_lock(&dev_base_lock); 36 if (sdata->dev->reg_state == NETREG_REGISTERED) 37 ret = (*format)(sdata, buf, sizeof(buf)); 38 read_unlock(&dev_base_lock); 39 40 if (ret >= 0) 41 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret); 42 43 return ret; 44 } 45 46 static ssize_t ieee80211_if_write( 47 struct ieee80211_sub_if_data *sdata, 48 const char __user *userbuf, 49 size_t count, loff_t *ppos, 50 ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int)) 51 { 52 char buf[64]; 53 ssize_t ret; 54 55 if (count >= sizeof(buf)) 56 return -E2BIG; 57 58 if (copy_from_user(buf, userbuf, count)) 59 return -EFAULT; 60 buf[count] = '\0'; 61 62 ret = -ENODEV; 63 rtnl_lock(); 64 if (sdata->dev->reg_state == NETREG_REGISTERED) 65 ret = (*write)(sdata, buf, count); 66 rtnl_unlock(); 67 68 return ret; 69 } 70 71 #define IEEE80211_IF_FMT(name, field, format_string) \ 72 static ssize_t ieee80211_if_fmt_##name( \ 73 const struct ieee80211_sub_if_data *sdata, char *buf, \ 74 int buflen) \ 75 { \ 76 return scnprintf(buf, buflen, format_string, sdata->field); \ 77 } 78 #define IEEE80211_IF_FMT_DEC(name, field) \ 79 IEEE80211_IF_FMT(name, field, "%d\n") 80 #define IEEE80211_IF_FMT_HEX(name, field) \ 81 IEEE80211_IF_FMT(name, field, "%#x\n") 82 #define IEEE80211_IF_FMT_LHEX(name, field) \ 83 IEEE80211_IF_FMT(name, field, "%#lx\n") 84 #define IEEE80211_IF_FMT_SIZE(name, field) \ 85 IEEE80211_IF_FMT(name, field, "%zd\n") 86 87 #define IEEE80211_IF_FMT_HEXARRAY(name, field) \ 88 static ssize_t ieee80211_if_fmt_##name( \ 89 const struct ieee80211_sub_if_data *sdata, \ 90 char *buf, int buflen) \ 91 { \ 92 char *p = buf; \ 93 int i; \ 94 for (i = 0; i < sizeof(sdata->field); i++) { \ 95 p += scnprintf(p, buflen + buf - p, "%.2x ", \ 96 sdata->field[i]); \ 97 } \ 98 p += scnprintf(p, buflen + buf - p, "\n"); \ 99 return p - buf; \ 100 } 101 102 #define IEEE80211_IF_FMT_ATOMIC(name, field) \ 103 static ssize_t ieee80211_if_fmt_##name( \ 104 const struct ieee80211_sub_if_data *sdata, \ 105 char *buf, int buflen) \ 106 { \ 107 return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\ 108 } 109 110 #define IEEE80211_IF_FMT_MAC(name, field) \ 111 static ssize_t ieee80211_if_fmt_##name( \ 112 const struct ieee80211_sub_if_data *sdata, char *buf, \ 113 int buflen) \ 114 { \ 115 return scnprintf(buf, buflen, "%pM\n", sdata->field); \ 116 } 117 118 #define IEEE80211_IF_FMT_DEC_DIV_16(name, field) \ 119 static ssize_t ieee80211_if_fmt_##name( \ 120 const struct ieee80211_sub_if_data *sdata, \ 121 char *buf, int buflen) \ 122 { \ 123 return scnprintf(buf, buflen, "%d\n", sdata->field / 16); \ 124 } 125 126 #define __IEEE80211_IF_FILE(name, _write) \ 127 static ssize_t ieee80211_if_read_##name(struct file *file, \ 128 char __user *userbuf, \ 129 size_t count, loff_t *ppos) \ 130 { \ 131 return ieee80211_if_read(file->private_data, \ 132 userbuf, count, ppos, \ 133 ieee80211_if_fmt_##name); \ 134 } \ 135 static const struct file_operations name##_ops = { \ 136 .read = ieee80211_if_read_##name, \ 137 .write = (_write), \ 138 .open = simple_open, \ 139 .llseek = generic_file_llseek, \ 140 } 141 142 #define __IEEE80211_IF_FILE_W(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 __IEEE80211_IF_FILE(name, ieee80211_if_write_##name) 151 152 153 #define IEEE80211_IF_FILE(name, field, format) \ 154 IEEE80211_IF_FMT_##format(name, field) \ 155 __IEEE80211_IF_FILE(name, NULL) 156 157 /* common attributes */ 158 IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC); 159 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ], 160 HEX); 161 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ], 162 HEX); 163 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz, 164 rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY); 165 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz, 166 rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY); 167 168 IEEE80211_IF_FILE(flags, flags, HEX); 169 IEEE80211_IF_FILE(state, state, LHEX); 170 IEEE80211_IF_FILE(channel_type, vif.bss_conf.channel_type, DEC); 171 172 /* STA attributes */ 173 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC); 174 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC); 175 IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC); 176 IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16); 177 178 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata, 179 enum ieee80211_smps_mode smps_mode) 180 { 181 struct ieee80211_local *local = sdata->local; 182 int err; 183 184 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) && 185 smps_mode == IEEE80211_SMPS_STATIC) 186 return -EINVAL; 187 188 /* auto should be dynamic if in PS mode */ 189 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) && 190 (smps_mode == IEEE80211_SMPS_DYNAMIC || 191 smps_mode == IEEE80211_SMPS_AUTOMATIC)) 192 return -EINVAL; 193 194 /* supported only on managed interfaces for now */ 195 if (sdata->vif.type != NL80211_IFTYPE_STATION) 196 return -EOPNOTSUPP; 197 198 mutex_lock(&sdata->u.mgd.mtx); 199 err = __ieee80211_request_smps(sdata, smps_mode); 200 mutex_unlock(&sdata->u.mgd.mtx); 201 202 return err; 203 } 204 205 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = { 206 [IEEE80211_SMPS_AUTOMATIC] = "auto", 207 [IEEE80211_SMPS_OFF] = "off", 208 [IEEE80211_SMPS_STATIC] = "static", 209 [IEEE80211_SMPS_DYNAMIC] = "dynamic", 210 }; 211 212 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata, 213 char *buf, int buflen) 214 { 215 if (sdata->vif.type != NL80211_IFTYPE_STATION) 216 return -EOPNOTSUPP; 217 218 return snprintf(buf, buflen, "request: %s\nused: %s\n", 219 smps_modes[sdata->u.mgd.req_smps], 220 smps_modes[sdata->u.mgd.ap_smps]); 221 } 222 223 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata, 224 const char *buf, int buflen) 225 { 226 enum ieee80211_smps_mode mode; 227 228 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) { 229 if (strncmp(buf, smps_modes[mode], buflen) == 0) { 230 int err = ieee80211_set_smps(sdata, mode); 231 if (!err) 232 return buflen; 233 return err; 234 } 235 } 236 237 return -EINVAL; 238 } 239 240 __IEEE80211_IF_FILE_W(smps); 241 242 static ssize_t ieee80211_if_fmt_tkip_mic_test( 243 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 244 { 245 return -EOPNOTSUPP; 246 } 247 248 static int hwaddr_aton(const char *txt, u8 *addr) 249 { 250 int i; 251 252 for (i = 0; i < ETH_ALEN; i++) { 253 int a, b; 254 255 a = hex_to_bin(*txt++); 256 if (a < 0) 257 return -1; 258 b = hex_to_bin(*txt++); 259 if (b < 0) 260 return -1; 261 *addr++ = (a << 4) | b; 262 if (i < 5 && *txt++ != ':') 263 return -1; 264 } 265 266 return 0; 267 } 268 269 static ssize_t ieee80211_if_parse_tkip_mic_test( 270 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 271 { 272 struct ieee80211_local *local = sdata->local; 273 u8 addr[ETH_ALEN]; 274 struct sk_buff *skb; 275 struct ieee80211_hdr *hdr; 276 __le16 fc; 277 278 /* 279 * Assume colon-delimited MAC address with possible white space 280 * following. 281 */ 282 if (buflen < 3 * ETH_ALEN - 1) 283 return -EINVAL; 284 if (hwaddr_aton(buf, addr) < 0) 285 return -EINVAL; 286 287 if (!ieee80211_sdata_running(sdata)) 288 return -ENOTCONN; 289 290 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100); 291 if (!skb) 292 return -ENOMEM; 293 skb_reserve(skb, local->hw.extra_tx_headroom); 294 295 hdr = (struct ieee80211_hdr *) skb_put(skb, 24); 296 memset(hdr, 0, 24); 297 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA); 298 299 switch (sdata->vif.type) { 300 case NL80211_IFTYPE_AP: 301 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); 302 /* DA BSSID SA */ 303 memcpy(hdr->addr1, addr, ETH_ALEN); 304 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 305 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN); 306 break; 307 case NL80211_IFTYPE_STATION: 308 fc |= cpu_to_le16(IEEE80211_FCTL_TODS); 309 /* BSSID SA DA */ 310 if (sdata->vif.bss_conf.bssid == NULL) { 311 dev_kfree_skb(skb); 312 return -ENOTCONN; 313 } 314 memcpy(hdr->addr1, sdata->vif.bss_conf.bssid, ETH_ALEN); 315 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 316 memcpy(hdr->addr3, addr, ETH_ALEN); 317 break; 318 default: 319 dev_kfree_skb(skb); 320 return -EOPNOTSUPP; 321 } 322 hdr->frame_control = fc; 323 324 /* 325 * Add some length to the test frame to make it look bit more valid. 326 * The exact contents does not matter since the recipient is required 327 * to drop this because of the Michael MIC failure. 328 */ 329 memset(skb_put(skb, 50), 0, 50); 330 331 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE; 332 333 ieee80211_tx_skb(sdata, skb); 334 335 return buflen; 336 } 337 338 __IEEE80211_IF_FILE_W(tkip_mic_test); 339 340 static ssize_t ieee80211_if_fmt_uapsd_queues( 341 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 342 { 343 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 344 345 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues); 346 } 347 348 static ssize_t ieee80211_if_parse_uapsd_queues( 349 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 350 { 351 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 352 u8 val; 353 int ret; 354 355 ret = kstrtou8(buf, 0, &val); 356 if (ret) 357 return ret; 358 359 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) 360 return -ERANGE; 361 362 ifmgd->uapsd_queues = val; 363 364 return buflen; 365 } 366 __IEEE80211_IF_FILE_W(uapsd_queues); 367 368 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len( 369 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 370 { 371 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 372 373 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len); 374 } 375 376 static ssize_t ieee80211_if_parse_uapsd_max_sp_len( 377 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 378 { 379 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 380 unsigned long val; 381 int ret; 382 383 ret = kstrtoul(buf, 0, &val); 384 if (ret) 385 return -EINVAL; 386 387 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) 388 return -ERANGE; 389 390 ifmgd->uapsd_max_sp_len = val; 391 392 return buflen; 393 } 394 __IEEE80211_IF_FILE_W(uapsd_max_sp_len); 395 396 /* AP attributes */ 397 IEEE80211_IF_FILE(num_sta_authorized, u.ap.num_sta_authorized, ATOMIC); 398 IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC); 399 IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC); 400 401 static ssize_t ieee80211_if_fmt_num_buffered_multicast( 402 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 403 { 404 return scnprintf(buf, buflen, "%u\n", 405 skb_queue_len(&sdata->u.ap.ps_bc_buf)); 406 } 407 __IEEE80211_IF_FILE(num_buffered_multicast, NULL); 408 409 /* IBSS attributes */ 410 static ssize_t ieee80211_if_fmt_tsf( 411 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 412 { 413 struct ieee80211_local *local = sdata->local; 414 u64 tsf; 415 416 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata); 417 418 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf); 419 } 420 421 static ssize_t ieee80211_if_parse_tsf( 422 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 423 { 424 struct ieee80211_local *local = sdata->local; 425 unsigned long long tsf; 426 int ret; 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 ret = kstrtoull(buf, 10, &tsf); 435 if (ret < 0) 436 return -EINVAL; 437 if (local->ops->set_tsf) { 438 drv_set_tsf(local, sdata, tsf); 439 wiphy_info(local->hw.wiphy, 440 "debugfs set TSF to %#018llx\n", tsf); 441 } 442 } 443 444 return buflen; 445 } 446 __IEEE80211_IF_FILE_W(tsf); 447 448 449 /* WDS attributes */ 450 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC); 451 452 #ifdef CONFIG_MAC80211_MESH 453 /* Mesh stats attributes */ 454 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC); 455 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC); 456 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC); 457 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC); 458 IEEE80211_IF_FILE(dropped_frames_congestion, 459 u.mesh.mshstats.dropped_frames_congestion, DEC); 460 IEEE80211_IF_FILE(dropped_frames_no_route, 461 u.mesh.mshstats.dropped_frames_no_route, DEC); 462 IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC); 463 464 /* Mesh parameters */ 465 IEEE80211_IF_FILE(dot11MeshMaxRetries, 466 u.mesh.mshcfg.dot11MeshMaxRetries, DEC); 467 IEEE80211_IF_FILE(dot11MeshRetryTimeout, 468 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC); 469 IEEE80211_IF_FILE(dot11MeshConfirmTimeout, 470 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC); 471 IEEE80211_IF_FILE(dot11MeshHoldingTimeout, 472 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC); 473 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC); 474 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC); 475 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC); 476 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks, 477 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC); 478 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout, 479 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC); 480 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval, 481 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC); 482 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval, 483 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC); 484 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime, 485 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC); 486 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries, 487 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC); 488 IEEE80211_IF_FILE(path_refresh_time, 489 u.mesh.mshcfg.path_refresh_time, DEC); 490 IEEE80211_IF_FILE(min_discovery_timeout, 491 u.mesh.mshcfg.min_discovery_timeout, DEC); 492 IEEE80211_IF_FILE(dot11MeshHWMPRootMode, 493 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC); 494 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol, 495 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC); 496 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval, 497 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC); 498 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC); 499 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC); 500 #endif 501 502 503 #define DEBUGFS_ADD(name) \ 504 debugfs_create_file(#name, 0400, sdata->debugfs.dir, \ 505 sdata, &name##_ops); 506 507 #define DEBUGFS_ADD_MODE(name, mode) \ 508 debugfs_create_file(#name, mode, sdata->debugfs.dir, \ 509 sdata, &name##_ops); 510 511 static void add_sta_files(struct ieee80211_sub_if_data *sdata) 512 { 513 DEBUGFS_ADD(drop_unencrypted); 514 DEBUGFS_ADD(flags); 515 DEBUGFS_ADD(state); 516 DEBUGFS_ADD(channel_type); 517 DEBUGFS_ADD(rc_rateidx_mask_2ghz); 518 DEBUGFS_ADD(rc_rateidx_mask_5ghz); 519 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); 520 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); 521 522 DEBUGFS_ADD(bssid); 523 DEBUGFS_ADD(aid); 524 DEBUGFS_ADD(last_beacon); 525 DEBUGFS_ADD(ave_beacon); 526 DEBUGFS_ADD_MODE(smps, 0600); 527 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 528 DEBUGFS_ADD_MODE(uapsd_queues, 0600); 529 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600); 530 } 531 532 static void add_ap_files(struct ieee80211_sub_if_data *sdata) 533 { 534 DEBUGFS_ADD(drop_unencrypted); 535 DEBUGFS_ADD(flags); 536 DEBUGFS_ADD(state); 537 DEBUGFS_ADD(channel_type); 538 DEBUGFS_ADD(rc_rateidx_mask_2ghz); 539 DEBUGFS_ADD(rc_rateidx_mask_5ghz); 540 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); 541 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); 542 543 DEBUGFS_ADD(num_sta_authorized); 544 DEBUGFS_ADD(num_sta_ps); 545 DEBUGFS_ADD(dtim_count); 546 DEBUGFS_ADD(num_buffered_multicast); 547 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 548 } 549 550 static void add_ibss_files(struct ieee80211_sub_if_data *sdata) 551 { 552 DEBUGFS_ADD(channel_type); 553 DEBUGFS_ADD(rc_rateidx_mask_2ghz); 554 DEBUGFS_ADD(rc_rateidx_mask_5ghz); 555 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); 556 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); 557 558 DEBUGFS_ADD_MODE(tsf, 0600); 559 } 560 561 static void add_wds_files(struct ieee80211_sub_if_data *sdata) 562 { 563 DEBUGFS_ADD(drop_unencrypted); 564 DEBUGFS_ADD(flags); 565 DEBUGFS_ADD(state); 566 DEBUGFS_ADD(channel_type); 567 DEBUGFS_ADD(rc_rateidx_mask_2ghz); 568 DEBUGFS_ADD(rc_rateidx_mask_5ghz); 569 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); 570 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); 571 572 DEBUGFS_ADD(peer); 573 } 574 575 static void add_vlan_files(struct ieee80211_sub_if_data *sdata) 576 { 577 DEBUGFS_ADD(drop_unencrypted); 578 DEBUGFS_ADD(flags); 579 DEBUGFS_ADD(state); 580 DEBUGFS_ADD(channel_type); 581 DEBUGFS_ADD(rc_rateidx_mask_2ghz); 582 DEBUGFS_ADD(rc_rateidx_mask_5ghz); 583 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); 584 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); 585 } 586 587 static void add_monitor_files(struct ieee80211_sub_if_data *sdata) 588 { 589 DEBUGFS_ADD(flags); 590 DEBUGFS_ADD(state); 591 DEBUGFS_ADD(channel_type); 592 } 593 594 #ifdef CONFIG_MAC80211_MESH 595 596 static void add_mesh_files(struct ieee80211_sub_if_data *sdata) 597 { 598 DEBUGFS_ADD_MODE(tsf, 0600); 599 } 600 601 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata) 602 { 603 struct dentry *dir = debugfs_create_dir("mesh_stats", 604 sdata->debugfs.dir); 605 #define MESHSTATS_ADD(name)\ 606 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops); 607 608 MESHSTATS_ADD(fwded_mcast); 609 MESHSTATS_ADD(fwded_unicast); 610 MESHSTATS_ADD(fwded_frames); 611 MESHSTATS_ADD(dropped_frames_ttl); 612 MESHSTATS_ADD(dropped_frames_no_route); 613 MESHSTATS_ADD(dropped_frames_congestion); 614 MESHSTATS_ADD(estab_plinks); 615 #undef MESHSTATS_ADD 616 } 617 618 static void add_mesh_config(struct ieee80211_sub_if_data *sdata) 619 { 620 struct dentry *dir = debugfs_create_dir("mesh_config", 621 sdata->debugfs.dir); 622 623 #define MESHPARAMS_ADD(name) \ 624 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops); 625 626 MESHPARAMS_ADD(dot11MeshMaxRetries); 627 MESHPARAMS_ADD(dot11MeshRetryTimeout); 628 MESHPARAMS_ADD(dot11MeshConfirmTimeout); 629 MESHPARAMS_ADD(dot11MeshHoldingTimeout); 630 MESHPARAMS_ADD(dot11MeshTTL); 631 MESHPARAMS_ADD(element_ttl); 632 MESHPARAMS_ADD(auto_open_plinks); 633 MESHPARAMS_ADD(dot11MeshMaxPeerLinks); 634 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout); 635 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval); 636 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval); 637 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime); 638 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries); 639 MESHPARAMS_ADD(path_refresh_time); 640 MESHPARAMS_ADD(min_discovery_timeout); 641 MESHPARAMS_ADD(dot11MeshHWMPRootMode); 642 MESHPARAMS_ADD(dot11MeshHWMPRannInterval); 643 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol); 644 MESHPARAMS_ADD(rssi_threshold); 645 #undef MESHPARAMS_ADD 646 } 647 #endif 648 649 static void add_files(struct ieee80211_sub_if_data *sdata) 650 { 651 if (!sdata->debugfs.dir) 652 return; 653 654 switch (sdata->vif.type) { 655 case NL80211_IFTYPE_MESH_POINT: 656 #ifdef CONFIG_MAC80211_MESH 657 add_mesh_files(sdata); 658 add_mesh_stats(sdata); 659 add_mesh_config(sdata); 660 #endif 661 break; 662 case NL80211_IFTYPE_STATION: 663 add_sta_files(sdata); 664 break; 665 case NL80211_IFTYPE_ADHOC: 666 add_ibss_files(sdata); 667 break; 668 case NL80211_IFTYPE_AP: 669 add_ap_files(sdata); 670 break; 671 case NL80211_IFTYPE_WDS: 672 add_wds_files(sdata); 673 break; 674 case NL80211_IFTYPE_MONITOR: 675 add_monitor_files(sdata); 676 break; 677 case NL80211_IFTYPE_AP_VLAN: 678 add_vlan_files(sdata); 679 break; 680 default: 681 break; 682 } 683 } 684 685 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata) 686 { 687 char buf[10+IFNAMSIZ]; 688 689 sprintf(buf, "netdev:%s", sdata->name); 690 sdata->debugfs.dir = debugfs_create_dir(buf, 691 sdata->local->hw.wiphy->debugfsdir); 692 if (sdata->debugfs.dir) 693 sdata->debugfs.subdir_stations = debugfs_create_dir("stations", 694 sdata->debugfs.dir); 695 add_files(sdata); 696 } 697 698 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) 699 { 700 if (!sdata->debugfs.dir) 701 return; 702 703 debugfs_remove_recursive(sdata->debugfs.dir); 704 sdata->debugfs.dir = NULL; 705 } 706 707 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata) 708 { 709 struct dentry *dir; 710 char buf[10 + IFNAMSIZ]; 711 712 dir = sdata->debugfs.dir; 713 714 if (!dir) 715 return; 716 717 sprintf(buf, "netdev:%s", sdata->name); 718 if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf)) 719 printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs " 720 "dir to %s\n", buf); 721 } 722