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 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 ret = (*write)(sdata, buf, count); 65 rtnl_unlock(); 66 67 return ret; 68 } 69 70 #define IEEE80211_IF_FMT(name, field, format_string) \ 71 static 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) \ 87 static 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) \ 102 static 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) \ 110 static 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) \ 118 static 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) \ 126 static 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) \ 135 static 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) \ 143 static 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) \ 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 } 160 161 #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 */ 180 IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC); 181 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ], 182 HEX); 183 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ], 184 HEX); 185 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz, 186 rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY); 187 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz, 188 rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY); 189 190 IEEE80211_IF_FILE(flags, flags, HEX); 191 IEEE80211_IF_FILE(state, state, LHEX); 192 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC); 193 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC); 194 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC); 195 196 static ssize_t 197 ieee80211_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 } 214 IEEE80211_IF_FILE_R(hw_queues); 215 216 /* STA attributes */ 217 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC); 218 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC); 219 IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC); 220 IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16); 221 IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS); 222 223 static 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.wiphy->features & NL80211_FEATURE_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.wiphy->features & NL80211_FEATURE_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 } 252 253 static 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 }; 259 260 static 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 } 273 274 static 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 } 290 IEEE80211_IF_FILE_RW(smps); 291 292 static 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 } 357 IEEE80211_IF_FILE_W(tkip_mic_test); 358 359 static 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 } 369 IEEE80211_IF_FILE_W(beacon_loss); 370 371 static 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 } 378 379 static 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 } 397 IEEE80211_IF_FILE_RW(uapsd_queues); 398 399 static 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 } 406 407 static 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 } 425 IEEE80211_IF_FILE_RW(uapsd_max_sp_len); 426 427 /* AP attributes */ 428 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC); 429 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC); 430 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC); 431 432 static 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 } 438 IEEE80211_IF_FILE_R(num_buffered_multicast); 439 440 /* IBSS attributes */ 441 static 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 } 451 452 static 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 } 490 IEEE80211_IF_FILE_RW(tsf); 491 492 493 /* WDS attributes */ 494 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC); 495 496 #ifdef CONFIG_MAC80211_MESH 497 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC); 498 499 /* Mesh stats attributes */ 500 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC); 501 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC); 502 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC); 503 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC); 504 IEEE80211_IF_FILE(dropped_frames_congestion, 505 u.mesh.mshstats.dropped_frames_congestion, DEC); 506 IEEE80211_IF_FILE(dropped_frames_no_route, 507 u.mesh.mshstats.dropped_frames_no_route, DEC); 508 509 /* Mesh parameters */ 510 IEEE80211_IF_FILE(dot11MeshMaxRetries, 511 u.mesh.mshcfg.dot11MeshMaxRetries, DEC); 512 IEEE80211_IF_FILE(dot11MeshRetryTimeout, 513 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC); 514 IEEE80211_IF_FILE(dot11MeshConfirmTimeout, 515 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC); 516 IEEE80211_IF_FILE(dot11MeshHoldingTimeout, 517 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC); 518 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC); 519 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC); 520 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC); 521 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks, 522 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC); 523 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout, 524 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC); 525 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval, 526 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC); 527 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval, 528 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC); 529 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime, 530 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC); 531 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries, 532 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC); 533 IEEE80211_IF_FILE(path_refresh_time, 534 u.mesh.mshcfg.path_refresh_time, DEC); 535 IEEE80211_IF_FILE(min_discovery_timeout, 536 u.mesh.mshcfg.min_discovery_timeout, DEC); 537 IEEE80211_IF_FILE(dot11MeshHWMPRootMode, 538 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC); 539 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol, 540 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC); 541 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval, 542 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC); 543 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC); 544 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC); 545 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC); 546 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout, 547 u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC); 548 IEEE80211_IF_FILE(dot11MeshHWMProotInterval, 549 u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC); 550 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval, 551 u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC); 552 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC); 553 IEEE80211_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) 562 563 static 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 } 572 573 static 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 } 586 587 static 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 } 596 597 static void add_ibss_files(struct ieee80211_sub_if_data *sdata) 598 { 599 DEBUGFS_ADD_MODE(tsf, 0600); 600 } 601 602 static void add_wds_files(struct ieee80211_sub_if_data *sdata) 603 { 604 DEBUGFS_ADD(peer); 605 } 606 607 #ifdef CONFIG_MAC80211_MESH 608 609 static 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 } 614 615 static 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 } 630 631 static 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 668 669 static 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 } 707 708 void 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 } 720 721 void 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 } 729 730 void 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