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(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ], 181 HEX); 182 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ], 183 HEX); 184 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz, 185 rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY); 186 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz, 187 rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY); 188 189 IEEE80211_IF_FILE(flags, flags, HEX); 190 IEEE80211_IF_FILE(state, state, LHEX); 191 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC); 192 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC); 193 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC); 194 195 static ssize_t 196 ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata, 197 char *buf, int buflen) 198 { 199 int len; 200 201 len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n", 202 sdata->vif.hw_queue[IEEE80211_AC_VO], 203 sdata->vif.hw_queue[IEEE80211_AC_VI], 204 sdata->vif.hw_queue[IEEE80211_AC_BE], 205 sdata->vif.hw_queue[IEEE80211_AC_BK]); 206 207 if (sdata->vif.type == NL80211_IFTYPE_AP) 208 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n", 209 sdata->vif.cab_queue); 210 211 return len; 212 } 213 IEEE80211_IF_FILE_R(hw_queues); 214 215 /* STA attributes */ 216 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC); 217 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC); 218 IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC); 219 IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16); 220 IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS); 221 222 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata, 223 enum ieee80211_smps_mode smps_mode) 224 { 225 struct ieee80211_local *local = sdata->local; 226 int err; 227 228 if (!(local->hw.wiphy->features & NL80211_FEATURE_STATIC_SMPS) && 229 smps_mode == IEEE80211_SMPS_STATIC) 230 return -EINVAL; 231 232 /* auto should be dynamic if in PS mode */ 233 if (!(local->hw.wiphy->features & NL80211_FEATURE_DYNAMIC_SMPS) && 234 (smps_mode == IEEE80211_SMPS_DYNAMIC || 235 smps_mode == IEEE80211_SMPS_AUTOMATIC)) 236 return -EINVAL; 237 238 if (sdata->vif.type != NL80211_IFTYPE_STATION && 239 sdata->vif.type != NL80211_IFTYPE_AP) 240 return -EOPNOTSUPP; 241 242 sdata_lock(sdata); 243 if (sdata->vif.type == NL80211_IFTYPE_STATION) 244 err = __ieee80211_request_smps_mgd(sdata, smps_mode); 245 else 246 err = __ieee80211_request_smps_ap(sdata, smps_mode); 247 sdata_unlock(sdata); 248 249 return err; 250 } 251 252 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = { 253 [IEEE80211_SMPS_AUTOMATIC] = "auto", 254 [IEEE80211_SMPS_OFF] = "off", 255 [IEEE80211_SMPS_STATIC] = "static", 256 [IEEE80211_SMPS_DYNAMIC] = "dynamic", 257 }; 258 259 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata, 260 char *buf, int buflen) 261 { 262 if (sdata->vif.type == NL80211_IFTYPE_STATION) 263 return snprintf(buf, buflen, "request: %s\nused: %s\n", 264 smps_modes[sdata->u.mgd.req_smps], 265 smps_modes[sdata->smps_mode]); 266 if (sdata->vif.type == NL80211_IFTYPE_AP) 267 return snprintf(buf, buflen, "request: %s\nused: %s\n", 268 smps_modes[sdata->u.ap.req_smps], 269 smps_modes[sdata->smps_mode]); 270 return -EINVAL; 271 } 272 273 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata, 274 const char *buf, int buflen) 275 { 276 enum ieee80211_smps_mode mode; 277 278 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) { 279 if (strncmp(buf, smps_modes[mode], buflen) == 0) { 280 int err = ieee80211_set_smps(sdata, mode); 281 if (!err) 282 return buflen; 283 return err; 284 } 285 } 286 287 return -EINVAL; 288 } 289 IEEE80211_IF_FILE_RW(smps); 290 291 static ssize_t ieee80211_if_parse_tkip_mic_test( 292 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 293 { 294 struct ieee80211_local *local = sdata->local; 295 u8 addr[ETH_ALEN]; 296 struct sk_buff *skb; 297 struct ieee80211_hdr *hdr; 298 __le16 fc; 299 300 if (!mac_pton(buf, addr)) 301 return -EINVAL; 302 303 if (!ieee80211_sdata_running(sdata)) 304 return -ENOTCONN; 305 306 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100); 307 if (!skb) 308 return -ENOMEM; 309 skb_reserve(skb, local->hw.extra_tx_headroom); 310 311 hdr = (struct ieee80211_hdr *) skb_put(skb, 24); 312 memset(hdr, 0, 24); 313 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA); 314 315 switch (sdata->vif.type) { 316 case NL80211_IFTYPE_AP: 317 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); 318 /* DA BSSID SA */ 319 memcpy(hdr->addr1, addr, ETH_ALEN); 320 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 321 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN); 322 break; 323 case NL80211_IFTYPE_STATION: 324 fc |= cpu_to_le16(IEEE80211_FCTL_TODS); 325 /* BSSID SA DA */ 326 sdata_lock(sdata); 327 if (!sdata->u.mgd.associated) { 328 sdata_unlock(sdata); 329 dev_kfree_skb(skb); 330 return -ENOTCONN; 331 } 332 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN); 333 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 334 memcpy(hdr->addr3, addr, ETH_ALEN); 335 sdata_unlock(sdata); 336 break; 337 default: 338 dev_kfree_skb(skb); 339 return -EOPNOTSUPP; 340 } 341 hdr->frame_control = fc; 342 343 /* 344 * Add some length to the test frame to make it look bit more valid. 345 * The exact contents does not matter since the recipient is required 346 * to drop this because of the Michael MIC failure. 347 */ 348 memset(skb_put(skb, 50), 0, 50); 349 350 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE; 351 352 ieee80211_tx_skb(sdata, skb); 353 354 return buflen; 355 } 356 IEEE80211_IF_FILE_W(tkip_mic_test); 357 358 static ssize_t ieee80211_if_parse_beacon_loss( 359 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 360 { 361 if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc) 362 return -ENOTCONN; 363 364 ieee80211_beacon_loss(&sdata->vif); 365 366 return buflen; 367 } 368 IEEE80211_IF_FILE_W(beacon_loss); 369 370 static ssize_t ieee80211_if_fmt_uapsd_queues( 371 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 372 { 373 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 374 375 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues); 376 } 377 378 static ssize_t ieee80211_if_parse_uapsd_queues( 379 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 380 { 381 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 382 u8 val; 383 int ret; 384 385 ret = kstrtou8(buf, 0, &val); 386 if (ret) 387 return ret; 388 389 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) 390 return -ERANGE; 391 392 ifmgd->uapsd_queues = val; 393 394 return buflen; 395 } 396 IEEE80211_IF_FILE_RW(uapsd_queues); 397 398 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len( 399 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 400 { 401 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 402 403 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len); 404 } 405 406 static ssize_t ieee80211_if_parse_uapsd_max_sp_len( 407 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 408 { 409 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 410 unsigned long val; 411 int ret; 412 413 ret = kstrtoul(buf, 0, &val); 414 if (ret) 415 return -EINVAL; 416 417 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) 418 return -ERANGE; 419 420 ifmgd->uapsd_max_sp_len = val; 421 422 return buflen; 423 } 424 IEEE80211_IF_FILE_RW(uapsd_max_sp_len); 425 426 /* AP attributes */ 427 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC); 428 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC); 429 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC); 430 431 static ssize_t ieee80211_if_fmt_num_buffered_multicast( 432 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 433 { 434 return scnprintf(buf, buflen, "%u\n", 435 skb_queue_len(&sdata->u.ap.ps.bc_buf)); 436 } 437 IEEE80211_IF_FILE_R(num_buffered_multicast); 438 439 /* IBSS attributes */ 440 static ssize_t ieee80211_if_fmt_tsf( 441 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 442 { 443 struct ieee80211_local *local = sdata->local; 444 u64 tsf; 445 446 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata); 447 448 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf); 449 } 450 451 static ssize_t ieee80211_if_parse_tsf( 452 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 453 { 454 struct ieee80211_local *local = sdata->local; 455 unsigned long long tsf; 456 int ret; 457 int tsf_is_delta = 0; 458 459 if (strncmp(buf, "reset", 5) == 0) { 460 if (local->ops->reset_tsf) { 461 drv_reset_tsf(local, sdata); 462 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n"); 463 } 464 } else { 465 if (buflen > 10 && buf[1] == '=') { 466 if (buf[0] == '+') 467 tsf_is_delta = 1; 468 else if (buf[0] == '-') 469 tsf_is_delta = -1; 470 else 471 return -EINVAL; 472 buf += 2; 473 } 474 ret = kstrtoull(buf, 10, &tsf); 475 if (ret < 0) 476 return ret; 477 if (tsf_is_delta) 478 tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf; 479 if (local->ops->set_tsf) { 480 drv_set_tsf(local, sdata, tsf); 481 wiphy_info(local->hw.wiphy, 482 "debugfs set TSF to %#018llx\n", tsf); 483 } 484 } 485 486 ieee80211_recalc_dtim(local, sdata); 487 return buflen; 488 } 489 IEEE80211_IF_FILE_RW(tsf); 490 491 492 /* WDS attributes */ 493 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC); 494 495 #ifdef CONFIG_MAC80211_MESH 496 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC); 497 498 /* Mesh stats attributes */ 499 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC); 500 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC); 501 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC); 502 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC); 503 IEEE80211_IF_FILE(dropped_frames_congestion, 504 u.mesh.mshstats.dropped_frames_congestion, DEC); 505 IEEE80211_IF_FILE(dropped_frames_no_route, 506 u.mesh.mshstats.dropped_frames_no_route, DEC); 507 508 /* Mesh parameters */ 509 IEEE80211_IF_FILE(dot11MeshMaxRetries, 510 u.mesh.mshcfg.dot11MeshMaxRetries, DEC); 511 IEEE80211_IF_FILE(dot11MeshRetryTimeout, 512 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC); 513 IEEE80211_IF_FILE(dot11MeshConfirmTimeout, 514 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC); 515 IEEE80211_IF_FILE(dot11MeshHoldingTimeout, 516 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC); 517 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC); 518 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC); 519 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC); 520 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks, 521 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC); 522 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout, 523 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC); 524 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval, 525 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC); 526 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval, 527 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC); 528 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime, 529 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC); 530 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries, 531 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC); 532 IEEE80211_IF_FILE(path_refresh_time, 533 u.mesh.mshcfg.path_refresh_time, DEC); 534 IEEE80211_IF_FILE(min_discovery_timeout, 535 u.mesh.mshcfg.min_discovery_timeout, DEC); 536 IEEE80211_IF_FILE(dot11MeshHWMPRootMode, 537 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC); 538 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol, 539 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC); 540 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval, 541 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC); 542 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC); 543 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC); 544 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC); 545 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout, 546 u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC); 547 IEEE80211_IF_FILE(dot11MeshHWMProotInterval, 548 u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC); 549 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval, 550 u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC); 551 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC); 552 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration, 553 u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC); 554 #endif 555 556 #define DEBUGFS_ADD_MODE(name, mode) \ 557 debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \ 558 sdata, &name##_ops); 559 560 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400) 561 562 static void add_common_files(struct ieee80211_sub_if_data *sdata) 563 { 564 DEBUGFS_ADD(rc_rateidx_mask_2ghz); 565 DEBUGFS_ADD(rc_rateidx_mask_5ghz); 566 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); 567 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); 568 DEBUGFS_ADD(hw_queues); 569 } 570 571 static void add_sta_files(struct ieee80211_sub_if_data *sdata) 572 { 573 DEBUGFS_ADD(bssid); 574 DEBUGFS_ADD(aid); 575 DEBUGFS_ADD(last_beacon); 576 DEBUGFS_ADD(ave_beacon); 577 DEBUGFS_ADD(beacon_timeout); 578 DEBUGFS_ADD_MODE(smps, 0600); 579 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 580 DEBUGFS_ADD_MODE(beacon_loss, 0200); 581 DEBUGFS_ADD_MODE(uapsd_queues, 0600); 582 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600); 583 } 584 585 static void add_ap_files(struct ieee80211_sub_if_data *sdata) 586 { 587 DEBUGFS_ADD(num_mcast_sta); 588 DEBUGFS_ADD_MODE(smps, 0600); 589 DEBUGFS_ADD(num_sta_ps); 590 DEBUGFS_ADD(dtim_count); 591 DEBUGFS_ADD(num_buffered_multicast); 592 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 593 } 594 595 static void add_ibss_files(struct ieee80211_sub_if_data *sdata) 596 { 597 DEBUGFS_ADD_MODE(tsf, 0600); 598 } 599 600 static void add_wds_files(struct ieee80211_sub_if_data *sdata) 601 { 602 DEBUGFS_ADD(peer); 603 } 604 605 #ifdef CONFIG_MAC80211_MESH 606 607 static void add_mesh_files(struct ieee80211_sub_if_data *sdata) 608 { 609 DEBUGFS_ADD_MODE(tsf, 0600); 610 DEBUGFS_ADD_MODE(estab_plinks, 0400); 611 } 612 613 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata) 614 { 615 struct dentry *dir = debugfs_create_dir("mesh_stats", 616 sdata->vif.debugfs_dir); 617 #define MESHSTATS_ADD(name)\ 618 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops); 619 620 MESHSTATS_ADD(fwded_mcast); 621 MESHSTATS_ADD(fwded_unicast); 622 MESHSTATS_ADD(fwded_frames); 623 MESHSTATS_ADD(dropped_frames_ttl); 624 MESHSTATS_ADD(dropped_frames_no_route); 625 MESHSTATS_ADD(dropped_frames_congestion); 626 #undef MESHSTATS_ADD 627 } 628 629 static void add_mesh_config(struct ieee80211_sub_if_data *sdata) 630 { 631 struct dentry *dir = debugfs_create_dir("mesh_config", 632 sdata->vif.debugfs_dir); 633 634 #define MESHPARAMS_ADD(name) \ 635 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops); 636 637 MESHPARAMS_ADD(dot11MeshMaxRetries); 638 MESHPARAMS_ADD(dot11MeshRetryTimeout); 639 MESHPARAMS_ADD(dot11MeshConfirmTimeout); 640 MESHPARAMS_ADD(dot11MeshHoldingTimeout); 641 MESHPARAMS_ADD(dot11MeshTTL); 642 MESHPARAMS_ADD(element_ttl); 643 MESHPARAMS_ADD(auto_open_plinks); 644 MESHPARAMS_ADD(dot11MeshMaxPeerLinks); 645 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout); 646 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval); 647 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval); 648 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime); 649 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries); 650 MESHPARAMS_ADD(path_refresh_time); 651 MESHPARAMS_ADD(min_discovery_timeout); 652 MESHPARAMS_ADD(dot11MeshHWMPRootMode); 653 MESHPARAMS_ADD(dot11MeshHWMPRannInterval); 654 MESHPARAMS_ADD(dot11MeshForwarding); 655 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol); 656 MESHPARAMS_ADD(rssi_threshold); 657 MESHPARAMS_ADD(ht_opmode); 658 MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout); 659 MESHPARAMS_ADD(dot11MeshHWMProotInterval); 660 MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval); 661 MESHPARAMS_ADD(power_mode); 662 MESHPARAMS_ADD(dot11MeshAwakeWindowDuration); 663 #undef MESHPARAMS_ADD 664 } 665 #endif 666 667 static void add_files(struct ieee80211_sub_if_data *sdata) 668 { 669 if (!sdata->vif.debugfs_dir) 670 return; 671 672 DEBUGFS_ADD(flags); 673 DEBUGFS_ADD(state); 674 DEBUGFS_ADD(txpower); 675 DEBUGFS_ADD(user_power_level); 676 DEBUGFS_ADD(ap_power_level); 677 678 if (sdata->vif.type != NL80211_IFTYPE_MONITOR) 679 add_common_files(sdata); 680 681 switch (sdata->vif.type) { 682 case NL80211_IFTYPE_MESH_POINT: 683 #ifdef CONFIG_MAC80211_MESH 684 add_mesh_files(sdata); 685 add_mesh_stats(sdata); 686 add_mesh_config(sdata); 687 #endif 688 break; 689 case NL80211_IFTYPE_STATION: 690 add_sta_files(sdata); 691 break; 692 case NL80211_IFTYPE_ADHOC: 693 add_ibss_files(sdata); 694 break; 695 case NL80211_IFTYPE_AP: 696 add_ap_files(sdata); 697 break; 698 case NL80211_IFTYPE_WDS: 699 add_wds_files(sdata); 700 break; 701 default: 702 break; 703 } 704 } 705 706 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata) 707 { 708 char buf[10+IFNAMSIZ]; 709 710 sprintf(buf, "netdev:%s", sdata->name); 711 sdata->vif.debugfs_dir = debugfs_create_dir(buf, 712 sdata->local->hw.wiphy->debugfsdir); 713 if (sdata->vif.debugfs_dir) 714 sdata->debugfs.subdir_stations = debugfs_create_dir("stations", 715 sdata->vif.debugfs_dir); 716 add_files(sdata); 717 } 718 719 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) 720 { 721 if (!sdata->vif.debugfs_dir) 722 return; 723 724 debugfs_remove_recursive(sdata->vif.debugfs_dir); 725 sdata->vif.debugfs_dir = NULL; 726 } 727 728 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata) 729 { 730 struct dentry *dir; 731 char buf[10 + IFNAMSIZ]; 732 733 dir = sdata->vif.debugfs_dir; 734 735 if (!dir) 736 return; 737 738 sprintf(buf, "netdev:%s", sdata->name); 739 if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf)) 740 sdata_err(sdata, 741 "debugfs: failed to rename debugfs dir to %s\n", 742 buf); 743 } 744