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_JIFFIES_TO_MS(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", \ 123 jiffies_to_msecs(sdata->field)); \ 124 } 125 126 #define _IEEE80211_IF_FILE_OPS(name, _read, _write) \ 127 static const struct file_operations name##_ops = { \ 128 .read = (_read), \ 129 .write = (_write), \ 130 .open = simple_open, \ 131 .llseek = generic_file_llseek, \ 132 } 133 134 #define _IEEE80211_IF_FILE_R_FN(name) \ 135 static ssize_t ieee80211_if_read_##name(struct file *file, \ 136 char __user *userbuf, \ 137 size_t count, loff_t *ppos) \ 138 { \ 139 return ieee80211_if_read(file->private_data, \ 140 userbuf, count, ppos, \ 141 ieee80211_if_fmt_##name); \ 142 } 143 144 #define _IEEE80211_IF_FILE_W_FN(name) \ 145 static ssize_t ieee80211_if_write_##name(struct file *file, \ 146 const char __user *userbuf, \ 147 size_t count, loff_t *ppos) \ 148 { \ 149 return ieee80211_if_write(file->private_data, userbuf, count, \ 150 ppos, ieee80211_if_parse_##name); \ 151 } 152 153 #define IEEE80211_IF_FILE_R(name) \ 154 _IEEE80211_IF_FILE_R_FN(name) \ 155 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, NULL) 156 157 #define IEEE80211_IF_FILE_W(name) \ 158 _IEEE80211_IF_FILE_W_FN(name) \ 159 _IEEE80211_IF_FILE_OPS(name, NULL, ieee80211_if_write_##name) 160 161 #define IEEE80211_IF_FILE_RW(name) \ 162 _IEEE80211_IF_FILE_R_FN(name) \ 163 _IEEE80211_IF_FILE_W_FN(name) \ 164 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, \ 165 ieee80211_if_write_##name) 166 167 #define IEEE80211_IF_FILE(name, field, format) \ 168 IEEE80211_IF_FMT_##format(name, field) \ 169 IEEE80211_IF_FILE_R(name) 170 171 /* common attributes */ 172 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[NL80211_BAND_2GHZ], 173 HEX); 174 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[NL80211_BAND_5GHZ], 175 HEX); 176 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz, 177 rc_rateidx_mcs_mask[NL80211_BAND_2GHZ], HEXARRAY); 178 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz, 179 rc_rateidx_mcs_mask[NL80211_BAND_5GHZ], HEXARRAY); 180 181 static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_2ghz( 182 const struct ieee80211_sub_if_data *sdata, 183 char *buf, int buflen) 184 { 185 int i, len = 0; 186 const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_2GHZ]; 187 188 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) 189 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]); 190 len += scnprintf(buf + len, buflen - len, "\n"); 191 192 return len; 193 } 194 195 IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_2ghz); 196 197 static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_5ghz( 198 const struct ieee80211_sub_if_data *sdata, 199 char *buf, int buflen) 200 { 201 int i, len = 0; 202 const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_5GHZ]; 203 204 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) 205 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]); 206 len += scnprintf(buf + len, buflen - len, "\n"); 207 208 return len; 209 } 210 211 IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_5ghz); 212 213 IEEE80211_IF_FILE(flags, flags, HEX); 214 IEEE80211_IF_FILE(state, state, LHEX); 215 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC); 216 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC); 217 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC); 218 219 static ssize_t 220 ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata, 221 char *buf, int buflen) 222 { 223 int len; 224 225 len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n", 226 sdata->vif.hw_queue[IEEE80211_AC_VO], 227 sdata->vif.hw_queue[IEEE80211_AC_VI], 228 sdata->vif.hw_queue[IEEE80211_AC_BE], 229 sdata->vif.hw_queue[IEEE80211_AC_BK]); 230 231 if (sdata->vif.type == NL80211_IFTYPE_AP) 232 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n", 233 sdata->vif.cab_queue); 234 235 return len; 236 } 237 IEEE80211_IF_FILE_R(hw_queues); 238 239 /* STA attributes */ 240 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC); 241 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC); 242 IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS); 243 244 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata, 245 enum ieee80211_smps_mode smps_mode) 246 { 247 struct ieee80211_local *local = sdata->local; 248 int err; 249 250 if (!(local->hw.wiphy->features & NL80211_FEATURE_STATIC_SMPS) && 251 smps_mode == IEEE80211_SMPS_STATIC) 252 return -EINVAL; 253 254 /* auto should be dynamic if in PS mode */ 255 if (!(local->hw.wiphy->features & NL80211_FEATURE_DYNAMIC_SMPS) && 256 (smps_mode == IEEE80211_SMPS_DYNAMIC || 257 smps_mode == IEEE80211_SMPS_AUTOMATIC)) 258 return -EINVAL; 259 260 if (sdata->vif.type != NL80211_IFTYPE_STATION && 261 sdata->vif.type != NL80211_IFTYPE_AP) 262 return -EOPNOTSUPP; 263 264 sdata_lock(sdata); 265 if (sdata->vif.type == NL80211_IFTYPE_STATION) 266 err = __ieee80211_request_smps_mgd(sdata, smps_mode); 267 else 268 err = __ieee80211_request_smps_ap(sdata, smps_mode); 269 sdata_unlock(sdata); 270 271 return err; 272 } 273 274 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = { 275 [IEEE80211_SMPS_AUTOMATIC] = "auto", 276 [IEEE80211_SMPS_OFF] = "off", 277 [IEEE80211_SMPS_STATIC] = "static", 278 [IEEE80211_SMPS_DYNAMIC] = "dynamic", 279 }; 280 281 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata, 282 char *buf, int buflen) 283 { 284 if (sdata->vif.type == NL80211_IFTYPE_STATION) 285 return snprintf(buf, buflen, "request: %s\nused: %s\n", 286 smps_modes[sdata->u.mgd.req_smps], 287 smps_modes[sdata->smps_mode]); 288 if (sdata->vif.type == NL80211_IFTYPE_AP) 289 return snprintf(buf, buflen, "request: %s\nused: %s\n", 290 smps_modes[sdata->u.ap.req_smps], 291 smps_modes[sdata->smps_mode]); 292 return -EINVAL; 293 } 294 295 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata, 296 const char *buf, int buflen) 297 { 298 enum ieee80211_smps_mode mode; 299 300 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) { 301 if (strncmp(buf, smps_modes[mode], buflen) == 0) { 302 int err = ieee80211_set_smps(sdata, mode); 303 if (!err) 304 return buflen; 305 return err; 306 } 307 } 308 309 return -EINVAL; 310 } 311 IEEE80211_IF_FILE_RW(smps); 312 313 static ssize_t ieee80211_if_parse_tkip_mic_test( 314 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 315 { 316 struct ieee80211_local *local = sdata->local; 317 u8 addr[ETH_ALEN]; 318 struct sk_buff *skb; 319 struct ieee80211_hdr *hdr; 320 __le16 fc; 321 322 if (!mac_pton(buf, addr)) 323 return -EINVAL; 324 325 if (!ieee80211_sdata_running(sdata)) 326 return -ENOTCONN; 327 328 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100); 329 if (!skb) 330 return -ENOMEM; 331 skb_reserve(skb, local->hw.extra_tx_headroom); 332 333 hdr = (struct ieee80211_hdr *) skb_put(skb, 24); 334 memset(hdr, 0, 24); 335 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA); 336 337 switch (sdata->vif.type) { 338 case NL80211_IFTYPE_AP: 339 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); 340 /* DA BSSID SA */ 341 memcpy(hdr->addr1, addr, ETH_ALEN); 342 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 343 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN); 344 break; 345 case NL80211_IFTYPE_STATION: 346 fc |= cpu_to_le16(IEEE80211_FCTL_TODS); 347 /* BSSID SA DA */ 348 sdata_lock(sdata); 349 if (!sdata->u.mgd.associated) { 350 sdata_unlock(sdata); 351 dev_kfree_skb(skb); 352 return -ENOTCONN; 353 } 354 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN); 355 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 356 memcpy(hdr->addr3, addr, ETH_ALEN); 357 sdata_unlock(sdata); 358 break; 359 default: 360 dev_kfree_skb(skb); 361 return -EOPNOTSUPP; 362 } 363 hdr->frame_control = fc; 364 365 /* 366 * Add some length to the test frame to make it look bit more valid. 367 * The exact contents does not matter since the recipient is required 368 * to drop this because of the Michael MIC failure. 369 */ 370 memset(skb_put(skb, 50), 0, 50); 371 372 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE; 373 374 ieee80211_tx_skb(sdata, skb); 375 376 return buflen; 377 } 378 IEEE80211_IF_FILE_W(tkip_mic_test); 379 380 static ssize_t ieee80211_if_parse_beacon_loss( 381 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 382 { 383 if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc) 384 return -ENOTCONN; 385 386 ieee80211_beacon_loss(&sdata->vif); 387 388 return buflen; 389 } 390 IEEE80211_IF_FILE_W(beacon_loss); 391 392 static ssize_t ieee80211_if_fmt_uapsd_queues( 393 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 394 { 395 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 396 397 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues); 398 } 399 400 static ssize_t ieee80211_if_parse_uapsd_queues( 401 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 402 { 403 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 404 u8 val; 405 int ret; 406 407 ret = kstrtou8(buf, 0, &val); 408 if (ret) 409 return ret; 410 411 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) 412 return -ERANGE; 413 414 ifmgd->uapsd_queues = val; 415 416 return buflen; 417 } 418 IEEE80211_IF_FILE_RW(uapsd_queues); 419 420 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len( 421 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 422 { 423 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 424 425 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len); 426 } 427 428 static ssize_t ieee80211_if_parse_uapsd_max_sp_len( 429 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 430 { 431 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 432 unsigned long val; 433 int ret; 434 435 ret = kstrtoul(buf, 0, &val); 436 if (ret) 437 return -EINVAL; 438 439 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) 440 return -ERANGE; 441 442 ifmgd->uapsd_max_sp_len = val; 443 444 return buflen; 445 } 446 IEEE80211_IF_FILE_RW(uapsd_max_sp_len); 447 448 static ssize_t ieee80211_if_fmt_tdls_wider_bw( 449 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 450 { 451 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 452 bool tdls_wider_bw; 453 454 tdls_wider_bw = ieee80211_hw_check(&sdata->local->hw, TDLS_WIDER_BW) && 455 !ifmgd->tdls_wider_bw_prohibited; 456 457 return snprintf(buf, buflen, "%d\n", tdls_wider_bw); 458 } 459 460 static ssize_t ieee80211_if_parse_tdls_wider_bw( 461 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 462 { 463 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 464 u8 val; 465 int ret; 466 467 ret = kstrtou8(buf, 0, &val); 468 if (ret) 469 return ret; 470 471 ifmgd->tdls_wider_bw_prohibited = !val; 472 return buflen; 473 } 474 IEEE80211_IF_FILE_RW(tdls_wider_bw); 475 476 /* AP attributes */ 477 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC); 478 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC); 479 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC); 480 481 static ssize_t ieee80211_if_fmt_num_buffered_multicast( 482 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 483 { 484 return scnprintf(buf, buflen, "%u\n", 485 skb_queue_len(&sdata->u.ap.ps.bc_buf)); 486 } 487 IEEE80211_IF_FILE_R(num_buffered_multicast); 488 489 /* IBSS attributes */ 490 static ssize_t ieee80211_if_fmt_tsf( 491 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 492 { 493 struct ieee80211_local *local = sdata->local; 494 u64 tsf; 495 496 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata); 497 498 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf); 499 } 500 501 static ssize_t ieee80211_if_parse_tsf( 502 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 503 { 504 struct ieee80211_local *local = sdata->local; 505 unsigned long long tsf; 506 int ret; 507 int tsf_is_delta = 0; 508 509 if (strncmp(buf, "reset", 5) == 0) { 510 if (local->ops->reset_tsf) { 511 drv_reset_tsf(local, sdata); 512 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n"); 513 } 514 } else { 515 if (buflen > 10 && buf[1] == '=') { 516 if (buf[0] == '+') 517 tsf_is_delta = 1; 518 else if (buf[0] == '-') 519 tsf_is_delta = -1; 520 else 521 return -EINVAL; 522 buf += 2; 523 } 524 ret = kstrtoull(buf, 10, &tsf); 525 if (ret < 0) 526 return ret; 527 if (tsf_is_delta) 528 tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf; 529 if (local->ops->set_tsf) { 530 drv_set_tsf(local, sdata, tsf); 531 wiphy_info(local->hw.wiphy, 532 "debugfs set TSF to %#018llx\n", tsf); 533 } 534 } 535 536 ieee80211_recalc_dtim(local, sdata); 537 return buflen; 538 } 539 IEEE80211_IF_FILE_RW(tsf); 540 541 542 /* WDS attributes */ 543 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC); 544 545 #ifdef CONFIG_MAC80211_MESH 546 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC); 547 548 /* Mesh stats attributes */ 549 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC); 550 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC); 551 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC); 552 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC); 553 IEEE80211_IF_FILE(dropped_frames_congestion, 554 u.mesh.mshstats.dropped_frames_congestion, DEC); 555 IEEE80211_IF_FILE(dropped_frames_no_route, 556 u.mesh.mshstats.dropped_frames_no_route, DEC); 557 558 /* Mesh parameters */ 559 IEEE80211_IF_FILE(dot11MeshMaxRetries, 560 u.mesh.mshcfg.dot11MeshMaxRetries, DEC); 561 IEEE80211_IF_FILE(dot11MeshRetryTimeout, 562 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC); 563 IEEE80211_IF_FILE(dot11MeshConfirmTimeout, 564 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC); 565 IEEE80211_IF_FILE(dot11MeshHoldingTimeout, 566 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC); 567 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC); 568 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC); 569 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC); 570 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks, 571 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC); 572 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout, 573 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC); 574 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval, 575 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC); 576 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval, 577 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC); 578 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime, 579 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC); 580 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries, 581 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC); 582 IEEE80211_IF_FILE(path_refresh_time, 583 u.mesh.mshcfg.path_refresh_time, DEC); 584 IEEE80211_IF_FILE(min_discovery_timeout, 585 u.mesh.mshcfg.min_discovery_timeout, DEC); 586 IEEE80211_IF_FILE(dot11MeshHWMPRootMode, 587 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC); 588 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol, 589 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC); 590 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval, 591 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC); 592 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC); 593 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC); 594 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC); 595 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout, 596 u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC); 597 IEEE80211_IF_FILE(dot11MeshHWMProotInterval, 598 u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC); 599 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval, 600 u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC); 601 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC); 602 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration, 603 u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC); 604 #endif 605 606 #define DEBUGFS_ADD_MODE(name, mode) \ 607 debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \ 608 sdata, &name##_ops); 609 610 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400) 611 612 static void add_common_files(struct ieee80211_sub_if_data *sdata) 613 { 614 DEBUGFS_ADD(rc_rateidx_mask_2ghz); 615 DEBUGFS_ADD(rc_rateidx_mask_5ghz); 616 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); 617 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); 618 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_2ghz); 619 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_5ghz); 620 DEBUGFS_ADD(hw_queues); 621 } 622 623 static void add_sta_files(struct ieee80211_sub_if_data *sdata) 624 { 625 DEBUGFS_ADD(bssid); 626 DEBUGFS_ADD(aid); 627 DEBUGFS_ADD(beacon_timeout); 628 DEBUGFS_ADD_MODE(smps, 0600); 629 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 630 DEBUGFS_ADD_MODE(beacon_loss, 0200); 631 DEBUGFS_ADD_MODE(uapsd_queues, 0600); 632 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600); 633 DEBUGFS_ADD_MODE(tdls_wider_bw, 0600); 634 } 635 636 static void add_ap_files(struct ieee80211_sub_if_data *sdata) 637 { 638 DEBUGFS_ADD(num_mcast_sta); 639 DEBUGFS_ADD_MODE(smps, 0600); 640 DEBUGFS_ADD(num_sta_ps); 641 DEBUGFS_ADD(dtim_count); 642 DEBUGFS_ADD(num_buffered_multicast); 643 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 644 } 645 646 static void add_ibss_files(struct ieee80211_sub_if_data *sdata) 647 { 648 DEBUGFS_ADD_MODE(tsf, 0600); 649 } 650 651 static void add_wds_files(struct ieee80211_sub_if_data *sdata) 652 { 653 DEBUGFS_ADD(peer); 654 } 655 656 #ifdef CONFIG_MAC80211_MESH 657 658 static void add_mesh_files(struct ieee80211_sub_if_data *sdata) 659 { 660 DEBUGFS_ADD_MODE(tsf, 0600); 661 DEBUGFS_ADD_MODE(estab_plinks, 0400); 662 } 663 664 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata) 665 { 666 struct dentry *dir = debugfs_create_dir("mesh_stats", 667 sdata->vif.debugfs_dir); 668 #define MESHSTATS_ADD(name)\ 669 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops); 670 671 MESHSTATS_ADD(fwded_mcast); 672 MESHSTATS_ADD(fwded_unicast); 673 MESHSTATS_ADD(fwded_frames); 674 MESHSTATS_ADD(dropped_frames_ttl); 675 MESHSTATS_ADD(dropped_frames_no_route); 676 MESHSTATS_ADD(dropped_frames_congestion); 677 #undef MESHSTATS_ADD 678 } 679 680 static void add_mesh_config(struct ieee80211_sub_if_data *sdata) 681 { 682 struct dentry *dir = debugfs_create_dir("mesh_config", 683 sdata->vif.debugfs_dir); 684 685 #define MESHPARAMS_ADD(name) \ 686 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops); 687 688 MESHPARAMS_ADD(dot11MeshMaxRetries); 689 MESHPARAMS_ADD(dot11MeshRetryTimeout); 690 MESHPARAMS_ADD(dot11MeshConfirmTimeout); 691 MESHPARAMS_ADD(dot11MeshHoldingTimeout); 692 MESHPARAMS_ADD(dot11MeshTTL); 693 MESHPARAMS_ADD(element_ttl); 694 MESHPARAMS_ADD(auto_open_plinks); 695 MESHPARAMS_ADD(dot11MeshMaxPeerLinks); 696 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout); 697 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval); 698 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval); 699 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime); 700 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries); 701 MESHPARAMS_ADD(path_refresh_time); 702 MESHPARAMS_ADD(min_discovery_timeout); 703 MESHPARAMS_ADD(dot11MeshHWMPRootMode); 704 MESHPARAMS_ADD(dot11MeshHWMPRannInterval); 705 MESHPARAMS_ADD(dot11MeshForwarding); 706 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol); 707 MESHPARAMS_ADD(rssi_threshold); 708 MESHPARAMS_ADD(ht_opmode); 709 MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout); 710 MESHPARAMS_ADD(dot11MeshHWMProotInterval); 711 MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval); 712 MESHPARAMS_ADD(power_mode); 713 MESHPARAMS_ADD(dot11MeshAwakeWindowDuration); 714 #undef MESHPARAMS_ADD 715 } 716 #endif 717 718 static void add_files(struct ieee80211_sub_if_data *sdata) 719 { 720 if (!sdata->vif.debugfs_dir) 721 return; 722 723 DEBUGFS_ADD(flags); 724 DEBUGFS_ADD(state); 725 DEBUGFS_ADD(txpower); 726 DEBUGFS_ADD(user_power_level); 727 DEBUGFS_ADD(ap_power_level); 728 729 if (sdata->vif.type != NL80211_IFTYPE_MONITOR) 730 add_common_files(sdata); 731 732 switch (sdata->vif.type) { 733 case NL80211_IFTYPE_MESH_POINT: 734 #ifdef CONFIG_MAC80211_MESH 735 add_mesh_files(sdata); 736 add_mesh_stats(sdata); 737 add_mesh_config(sdata); 738 #endif 739 break; 740 case NL80211_IFTYPE_STATION: 741 add_sta_files(sdata); 742 break; 743 case NL80211_IFTYPE_ADHOC: 744 add_ibss_files(sdata); 745 break; 746 case NL80211_IFTYPE_AP: 747 add_ap_files(sdata); 748 break; 749 case NL80211_IFTYPE_WDS: 750 add_wds_files(sdata); 751 break; 752 default: 753 break; 754 } 755 } 756 757 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata) 758 { 759 char buf[10+IFNAMSIZ]; 760 761 sprintf(buf, "netdev:%s", sdata->name); 762 sdata->vif.debugfs_dir = debugfs_create_dir(buf, 763 sdata->local->hw.wiphy->debugfsdir); 764 if (sdata->vif.debugfs_dir) 765 sdata->debugfs.subdir_stations = debugfs_create_dir("stations", 766 sdata->vif.debugfs_dir); 767 add_files(sdata); 768 } 769 770 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) 771 { 772 if (!sdata->vif.debugfs_dir) 773 return; 774 775 debugfs_remove_recursive(sdata->vif.debugfs_dir); 776 sdata->vif.debugfs_dir = NULL; 777 sdata->debugfs.subdir_stations = NULL; 778 } 779 780 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata) 781 { 782 struct dentry *dir; 783 char buf[10 + IFNAMSIZ]; 784 785 dir = sdata->vif.debugfs_dir; 786 787 if (!dir) 788 return; 789 790 sprintf(buf, "netdev:%s", sdata->name); 791 if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf)) 792 sdata_err(sdata, 793 "debugfs: failed to rename debugfs dir to %s\n", 794 buf); 795 } 796