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_OPS(name, _read, _write) \ 137 static const struct file_operations name##_ops = { \ 138 .read = (_read), \ 139 .write = (_write), \ 140 .open = simple_open, \ 141 .llseek = generic_file_llseek, \ 142 } 143 144 #define _IEEE80211_IF_FILE_R_FN(name) \ 145 static ssize_t ieee80211_if_read_##name(struct file *file, \ 146 char __user *userbuf, \ 147 size_t count, loff_t *ppos) \ 148 { \ 149 return ieee80211_if_read(file->private_data, \ 150 userbuf, count, ppos, \ 151 ieee80211_if_fmt_##name); \ 152 } 153 154 #define _IEEE80211_IF_FILE_W_FN(name) \ 155 static ssize_t ieee80211_if_write_##name(struct file *file, \ 156 const char __user *userbuf, \ 157 size_t count, loff_t *ppos) \ 158 { \ 159 return ieee80211_if_write(file->private_data, userbuf, count, \ 160 ppos, ieee80211_if_parse_##name); \ 161 } 162 163 #define IEEE80211_IF_FILE_R(name) \ 164 _IEEE80211_IF_FILE_R_FN(name) \ 165 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, NULL) 166 167 #define IEEE80211_IF_FILE_W(name) \ 168 _IEEE80211_IF_FILE_W_FN(name) \ 169 _IEEE80211_IF_FILE_OPS(name, NULL, ieee80211_if_write_##name) 170 171 #define IEEE80211_IF_FILE_RW(name) \ 172 _IEEE80211_IF_FILE_R_FN(name) \ 173 _IEEE80211_IF_FILE_W_FN(name) \ 174 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, \ 175 ieee80211_if_write_##name) 176 177 #define IEEE80211_IF_FILE(name, field, format) \ 178 IEEE80211_IF_FMT_##format(name, field) \ 179 IEEE80211_IF_FILE_R(name) 180 181 /* common attributes */ 182 IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC); 183 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ], 184 HEX); 185 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ], 186 HEX); 187 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz, 188 rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY); 189 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz, 190 rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY); 191 192 IEEE80211_IF_FILE(flags, flags, HEX); 193 IEEE80211_IF_FILE(state, state, LHEX); 194 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC); 195 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC); 196 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC); 197 198 static ssize_t 199 ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata, 200 char *buf, int buflen) 201 { 202 int len; 203 204 len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n", 205 sdata->vif.hw_queue[IEEE80211_AC_VO], 206 sdata->vif.hw_queue[IEEE80211_AC_VI], 207 sdata->vif.hw_queue[IEEE80211_AC_BE], 208 sdata->vif.hw_queue[IEEE80211_AC_BK]); 209 210 if (sdata->vif.type == NL80211_IFTYPE_AP) 211 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n", 212 sdata->vif.cab_queue); 213 214 return len; 215 } 216 IEEE80211_IF_FILE_R(hw_queues); 217 218 /* STA attributes */ 219 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC); 220 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC); 221 IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC); 222 IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16); 223 IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS); 224 225 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata, 226 enum ieee80211_smps_mode smps_mode) 227 { 228 struct ieee80211_local *local = sdata->local; 229 int err; 230 231 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) && 232 smps_mode == IEEE80211_SMPS_STATIC) 233 return -EINVAL; 234 235 /* auto should be dynamic if in PS mode */ 236 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) && 237 (smps_mode == IEEE80211_SMPS_DYNAMIC || 238 smps_mode == IEEE80211_SMPS_AUTOMATIC)) 239 return -EINVAL; 240 241 if (sdata->vif.type != NL80211_IFTYPE_STATION && 242 sdata->vif.type != NL80211_IFTYPE_AP) 243 return -EOPNOTSUPP; 244 245 sdata_lock(sdata); 246 if (sdata->vif.type == NL80211_IFTYPE_STATION) 247 err = __ieee80211_request_smps_mgd(sdata, smps_mode); 248 else 249 err = __ieee80211_request_smps_ap(sdata, smps_mode); 250 sdata_unlock(sdata); 251 252 return err; 253 } 254 255 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = { 256 [IEEE80211_SMPS_AUTOMATIC] = "auto", 257 [IEEE80211_SMPS_OFF] = "off", 258 [IEEE80211_SMPS_STATIC] = "static", 259 [IEEE80211_SMPS_DYNAMIC] = "dynamic", 260 }; 261 262 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata, 263 char *buf, int buflen) 264 { 265 if (sdata->vif.type == NL80211_IFTYPE_STATION) 266 return snprintf(buf, buflen, "request: %s\nused: %s\n", 267 smps_modes[sdata->u.mgd.req_smps], 268 smps_modes[sdata->smps_mode]); 269 if (sdata->vif.type == NL80211_IFTYPE_AP) 270 return snprintf(buf, buflen, "request: %s\nused: %s\n", 271 smps_modes[sdata->u.ap.req_smps], 272 smps_modes[sdata->smps_mode]); 273 return -EINVAL; 274 } 275 276 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata, 277 const char *buf, int buflen) 278 { 279 enum ieee80211_smps_mode mode; 280 281 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) { 282 if (strncmp(buf, smps_modes[mode], buflen) == 0) { 283 int err = ieee80211_set_smps(sdata, mode); 284 if (!err) 285 return buflen; 286 return err; 287 } 288 } 289 290 return -EINVAL; 291 } 292 IEEE80211_IF_FILE_RW(smps); 293 294 static ssize_t ieee80211_if_parse_tkip_mic_test( 295 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 296 { 297 struct ieee80211_local *local = sdata->local; 298 u8 addr[ETH_ALEN]; 299 struct sk_buff *skb; 300 struct ieee80211_hdr *hdr; 301 __le16 fc; 302 303 if (!mac_pton(buf, addr)) 304 return -EINVAL; 305 306 if (!ieee80211_sdata_running(sdata)) 307 return -ENOTCONN; 308 309 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100); 310 if (!skb) 311 return -ENOMEM; 312 skb_reserve(skb, local->hw.extra_tx_headroom); 313 314 hdr = (struct ieee80211_hdr *) skb_put(skb, 24); 315 memset(hdr, 0, 24); 316 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA); 317 318 switch (sdata->vif.type) { 319 case NL80211_IFTYPE_AP: 320 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); 321 /* DA BSSID SA */ 322 memcpy(hdr->addr1, addr, ETH_ALEN); 323 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 324 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN); 325 break; 326 case NL80211_IFTYPE_STATION: 327 fc |= cpu_to_le16(IEEE80211_FCTL_TODS); 328 /* BSSID SA DA */ 329 sdata_lock(sdata); 330 if (!sdata->u.mgd.associated) { 331 sdata_unlock(sdata); 332 dev_kfree_skb(skb); 333 return -ENOTCONN; 334 } 335 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN); 336 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 337 memcpy(hdr->addr3, addr, ETH_ALEN); 338 sdata_unlock(sdata); 339 break; 340 default: 341 dev_kfree_skb(skb); 342 return -EOPNOTSUPP; 343 } 344 hdr->frame_control = fc; 345 346 /* 347 * Add some length to the test frame to make it look bit more valid. 348 * The exact contents does not matter since the recipient is required 349 * to drop this because of the Michael MIC failure. 350 */ 351 memset(skb_put(skb, 50), 0, 50); 352 353 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE; 354 355 ieee80211_tx_skb(sdata, skb); 356 357 return buflen; 358 } 359 IEEE80211_IF_FILE_W(tkip_mic_test); 360 361 static ssize_t ieee80211_if_parse_beacon_loss( 362 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 363 { 364 if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc) 365 return -ENOTCONN; 366 367 ieee80211_beacon_loss(&sdata->vif); 368 369 return buflen; 370 } 371 IEEE80211_IF_FILE_W(beacon_loss); 372 373 static ssize_t ieee80211_if_fmt_uapsd_queues( 374 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 375 { 376 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 377 378 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues); 379 } 380 381 static ssize_t ieee80211_if_parse_uapsd_queues( 382 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 383 { 384 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 385 u8 val; 386 int ret; 387 388 ret = kstrtou8(buf, 0, &val); 389 if (ret) 390 return ret; 391 392 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) 393 return -ERANGE; 394 395 ifmgd->uapsd_queues = val; 396 397 return buflen; 398 } 399 IEEE80211_IF_FILE_RW(uapsd_queues); 400 401 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len( 402 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 403 { 404 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 405 406 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len); 407 } 408 409 static ssize_t ieee80211_if_parse_uapsd_max_sp_len( 410 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 411 { 412 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 413 unsigned long val; 414 int ret; 415 416 ret = kstrtoul(buf, 0, &val); 417 if (ret) 418 return -EINVAL; 419 420 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) 421 return -ERANGE; 422 423 ifmgd->uapsd_max_sp_len = val; 424 425 return buflen; 426 } 427 IEEE80211_IF_FILE_RW(uapsd_max_sp_len); 428 429 /* AP attributes */ 430 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC); 431 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC); 432 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC); 433 434 static ssize_t ieee80211_if_fmt_num_buffered_multicast( 435 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 436 { 437 return scnprintf(buf, buflen, "%u\n", 438 skb_queue_len(&sdata->u.ap.ps.bc_buf)); 439 } 440 IEEE80211_IF_FILE_R(num_buffered_multicast); 441 442 /* IBSS attributes */ 443 static ssize_t ieee80211_if_fmt_tsf( 444 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 445 { 446 struct ieee80211_local *local = sdata->local; 447 u64 tsf; 448 449 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata); 450 451 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf); 452 } 453 454 static ssize_t ieee80211_if_parse_tsf( 455 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 456 { 457 struct ieee80211_local *local = sdata->local; 458 unsigned long long tsf; 459 int ret; 460 int tsf_is_delta = 0; 461 462 if (strncmp(buf, "reset", 5) == 0) { 463 if (local->ops->reset_tsf) { 464 drv_reset_tsf(local, sdata); 465 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n"); 466 } 467 } else { 468 if (buflen > 10 && buf[1] == '=') { 469 if (buf[0] == '+') 470 tsf_is_delta = 1; 471 else if (buf[0] == '-') 472 tsf_is_delta = -1; 473 else 474 return -EINVAL; 475 buf += 2; 476 } 477 ret = kstrtoull(buf, 10, &tsf); 478 if (ret < 0) 479 return ret; 480 if (tsf_is_delta) 481 tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf; 482 if (local->ops->set_tsf) { 483 drv_set_tsf(local, sdata, tsf); 484 wiphy_info(local->hw.wiphy, 485 "debugfs set TSF to %#018llx\n", tsf); 486 } 487 } 488 489 ieee80211_recalc_dtim(local, sdata); 490 return buflen; 491 } 492 IEEE80211_IF_FILE_RW(tsf); 493 494 495 /* WDS attributes */ 496 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC); 497 498 #ifdef CONFIG_MAC80211_MESH 499 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC); 500 501 /* Mesh stats attributes */ 502 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC); 503 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC); 504 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC); 505 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC); 506 IEEE80211_IF_FILE(dropped_frames_congestion, 507 u.mesh.mshstats.dropped_frames_congestion, DEC); 508 IEEE80211_IF_FILE(dropped_frames_no_route, 509 u.mesh.mshstats.dropped_frames_no_route, DEC); 510 511 /* Mesh parameters */ 512 IEEE80211_IF_FILE(dot11MeshMaxRetries, 513 u.mesh.mshcfg.dot11MeshMaxRetries, DEC); 514 IEEE80211_IF_FILE(dot11MeshRetryTimeout, 515 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC); 516 IEEE80211_IF_FILE(dot11MeshConfirmTimeout, 517 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC); 518 IEEE80211_IF_FILE(dot11MeshHoldingTimeout, 519 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC); 520 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC); 521 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC); 522 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC); 523 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks, 524 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC); 525 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout, 526 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC); 527 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval, 528 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC); 529 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval, 530 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC); 531 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime, 532 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC); 533 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries, 534 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC); 535 IEEE80211_IF_FILE(path_refresh_time, 536 u.mesh.mshcfg.path_refresh_time, DEC); 537 IEEE80211_IF_FILE(min_discovery_timeout, 538 u.mesh.mshcfg.min_discovery_timeout, DEC); 539 IEEE80211_IF_FILE(dot11MeshHWMPRootMode, 540 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC); 541 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol, 542 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC); 543 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval, 544 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC); 545 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC); 546 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC); 547 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC); 548 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout, 549 u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC); 550 IEEE80211_IF_FILE(dot11MeshHWMProotInterval, 551 u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC); 552 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval, 553 u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC); 554 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC); 555 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration, 556 u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC); 557 #endif 558 559 #define DEBUGFS_ADD_MODE(name, mode) \ 560 debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \ 561 sdata, &name##_ops); 562 563 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400) 564 565 static void add_common_files(struct ieee80211_sub_if_data *sdata) 566 { 567 DEBUGFS_ADD(drop_unencrypted); 568 DEBUGFS_ADD(rc_rateidx_mask_2ghz); 569 DEBUGFS_ADD(rc_rateidx_mask_5ghz); 570 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); 571 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); 572 DEBUGFS_ADD(hw_queues); 573 } 574 575 static void add_sta_files(struct ieee80211_sub_if_data *sdata) 576 { 577 DEBUGFS_ADD(bssid); 578 DEBUGFS_ADD(aid); 579 DEBUGFS_ADD(last_beacon); 580 DEBUGFS_ADD(ave_beacon); 581 DEBUGFS_ADD(beacon_timeout); 582 DEBUGFS_ADD_MODE(smps, 0600); 583 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 584 DEBUGFS_ADD_MODE(beacon_loss, 0200); 585 DEBUGFS_ADD_MODE(uapsd_queues, 0600); 586 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600); 587 } 588 589 static void add_ap_files(struct ieee80211_sub_if_data *sdata) 590 { 591 DEBUGFS_ADD(num_mcast_sta); 592 DEBUGFS_ADD_MODE(smps, 0600); 593 DEBUGFS_ADD(num_sta_ps); 594 DEBUGFS_ADD(dtim_count); 595 DEBUGFS_ADD(num_buffered_multicast); 596 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 597 } 598 599 static void add_ibss_files(struct ieee80211_sub_if_data *sdata) 600 { 601 DEBUGFS_ADD_MODE(tsf, 0600); 602 } 603 604 static void add_wds_files(struct ieee80211_sub_if_data *sdata) 605 { 606 DEBUGFS_ADD(peer); 607 } 608 609 #ifdef CONFIG_MAC80211_MESH 610 611 static void add_mesh_files(struct ieee80211_sub_if_data *sdata) 612 { 613 DEBUGFS_ADD_MODE(tsf, 0600); 614 DEBUGFS_ADD_MODE(estab_plinks, 0400); 615 } 616 617 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata) 618 { 619 struct dentry *dir = debugfs_create_dir("mesh_stats", 620 sdata->vif.debugfs_dir); 621 #define MESHSTATS_ADD(name)\ 622 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops); 623 624 MESHSTATS_ADD(fwded_mcast); 625 MESHSTATS_ADD(fwded_unicast); 626 MESHSTATS_ADD(fwded_frames); 627 MESHSTATS_ADD(dropped_frames_ttl); 628 MESHSTATS_ADD(dropped_frames_no_route); 629 MESHSTATS_ADD(dropped_frames_congestion); 630 #undef MESHSTATS_ADD 631 } 632 633 static void add_mesh_config(struct ieee80211_sub_if_data *sdata) 634 { 635 struct dentry *dir = debugfs_create_dir("mesh_config", 636 sdata->vif.debugfs_dir); 637 638 #define MESHPARAMS_ADD(name) \ 639 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops); 640 641 MESHPARAMS_ADD(dot11MeshMaxRetries); 642 MESHPARAMS_ADD(dot11MeshRetryTimeout); 643 MESHPARAMS_ADD(dot11MeshConfirmTimeout); 644 MESHPARAMS_ADD(dot11MeshHoldingTimeout); 645 MESHPARAMS_ADD(dot11MeshTTL); 646 MESHPARAMS_ADD(element_ttl); 647 MESHPARAMS_ADD(auto_open_plinks); 648 MESHPARAMS_ADD(dot11MeshMaxPeerLinks); 649 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout); 650 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval); 651 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval); 652 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime); 653 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries); 654 MESHPARAMS_ADD(path_refresh_time); 655 MESHPARAMS_ADD(min_discovery_timeout); 656 MESHPARAMS_ADD(dot11MeshHWMPRootMode); 657 MESHPARAMS_ADD(dot11MeshHWMPRannInterval); 658 MESHPARAMS_ADD(dot11MeshForwarding); 659 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol); 660 MESHPARAMS_ADD(rssi_threshold); 661 MESHPARAMS_ADD(ht_opmode); 662 MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout); 663 MESHPARAMS_ADD(dot11MeshHWMProotInterval); 664 MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval); 665 MESHPARAMS_ADD(power_mode); 666 MESHPARAMS_ADD(dot11MeshAwakeWindowDuration); 667 #undef MESHPARAMS_ADD 668 } 669 #endif 670 671 static void add_files(struct ieee80211_sub_if_data *sdata) 672 { 673 if (!sdata->vif.debugfs_dir) 674 return; 675 676 DEBUGFS_ADD(flags); 677 DEBUGFS_ADD(state); 678 DEBUGFS_ADD(txpower); 679 DEBUGFS_ADD(user_power_level); 680 DEBUGFS_ADD(ap_power_level); 681 682 if (sdata->vif.type != NL80211_IFTYPE_MONITOR) 683 add_common_files(sdata); 684 685 switch (sdata->vif.type) { 686 case NL80211_IFTYPE_MESH_POINT: 687 #ifdef CONFIG_MAC80211_MESH 688 add_mesh_files(sdata); 689 add_mesh_stats(sdata); 690 add_mesh_config(sdata); 691 #endif 692 break; 693 case NL80211_IFTYPE_STATION: 694 add_sta_files(sdata); 695 break; 696 case NL80211_IFTYPE_ADHOC: 697 add_ibss_files(sdata); 698 break; 699 case NL80211_IFTYPE_AP: 700 add_ap_files(sdata); 701 break; 702 case NL80211_IFTYPE_WDS: 703 add_wds_files(sdata); 704 break; 705 default: 706 break; 707 } 708 } 709 710 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata) 711 { 712 char buf[10+IFNAMSIZ]; 713 714 sprintf(buf, "netdev:%s", sdata->name); 715 sdata->vif.debugfs_dir = debugfs_create_dir(buf, 716 sdata->local->hw.wiphy->debugfsdir); 717 if (sdata->vif.debugfs_dir) 718 sdata->debugfs.subdir_stations = debugfs_create_dir("stations", 719 sdata->vif.debugfs_dir); 720 add_files(sdata); 721 } 722 723 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) 724 { 725 if (!sdata->vif.debugfs_dir) 726 return; 727 728 debugfs_remove_recursive(sdata->vif.debugfs_dir); 729 sdata->vif.debugfs_dir = NULL; 730 } 731 732 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata) 733 { 734 struct dentry *dir; 735 char buf[10 + IFNAMSIZ]; 736 737 dir = sdata->vif.debugfs_dir; 738 739 if (!dir) 740 return; 741 742 sprintf(buf, "netdev:%s", sdata->name); 743 if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf)) 744 sdata_err(sdata, 745 "debugfs: failed to rename debugfs dir to %s\n", 746 buf); 747 } 748