1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz> 4 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> 5 * Copyright (C) 2020 Intel Corporation 6 */ 7 8 #include <linux/kernel.h> 9 #include <linux/device.h> 10 #include <linux/if.h> 11 #include <linux/if_ether.h> 12 #include <linux/interrupt.h> 13 #include <linux/netdevice.h> 14 #include <linux/rtnetlink.h> 15 #include <linux/slab.h> 16 #include <linux/notifier.h> 17 #include <net/mac80211.h> 18 #include <net/cfg80211.h> 19 #include "ieee80211_i.h" 20 #include "rate.h" 21 #include "debugfs.h" 22 #include "debugfs_netdev.h" 23 #include "driver-ops.h" 24 25 static ssize_t ieee80211_if_read( 26 struct ieee80211_sub_if_data *sdata, 27 char __user *userbuf, 28 size_t count, loff_t *ppos, 29 ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int)) 30 { 31 char buf[200]; 32 ssize_t ret = -EINVAL; 33 34 read_lock(&dev_base_lock); 35 ret = (*format)(sdata, buf, sizeof(buf)); 36 read_unlock(&dev_base_lock); 37 38 if (ret >= 0) 39 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret); 40 41 return ret; 42 } 43 44 static ssize_t ieee80211_if_write( 45 struct ieee80211_sub_if_data *sdata, 46 const char __user *userbuf, 47 size_t count, loff_t *ppos, 48 ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int)) 49 { 50 char buf[64]; 51 ssize_t ret; 52 53 if (count >= sizeof(buf)) 54 return -E2BIG; 55 56 if (copy_from_user(buf, userbuf, count)) 57 return -EFAULT; 58 buf[count] = '\0'; 59 60 rtnl_lock(); 61 ret = (*write)(sdata, buf, count); 62 rtnl_unlock(); 63 64 return ret; 65 } 66 67 #define IEEE80211_IF_FMT(name, field, format_string) \ 68 static ssize_t ieee80211_if_fmt_##name( \ 69 const struct ieee80211_sub_if_data *sdata, char *buf, \ 70 int buflen) \ 71 { \ 72 return scnprintf(buf, buflen, format_string, sdata->field); \ 73 } 74 #define IEEE80211_IF_FMT_DEC(name, field) \ 75 IEEE80211_IF_FMT(name, field, "%d\n") 76 #define IEEE80211_IF_FMT_HEX(name, field) \ 77 IEEE80211_IF_FMT(name, field, "%#x\n") 78 #define IEEE80211_IF_FMT_LHEX(name, field) \ 79 IEEE80211_IF_FMT(name, field, "%#lx\n") 80 #define IEEE80211_IF_FMT_SIZE(name, field) \ 81 IEEE80211_IF_FMT(name, field, "%zd\n") 82 83 #define IEEE80211_IF_FMT_HEXARRAY(name, field) \ 84 static ssize_t ieee80211_if_fmt_##name( \ 85 const struct ieee80211_sub_if_data *sdata, \ 86 char *buf, int buflen) \ 87 { \ 88 char *p = buf; \ 89 int i; \ 90 for (i = 0; i < sizeof(sdata->field); i++) { \ 91 p += scnprintf(p, buflen + buf - p, "%.2x ", \ 92 sdata->field[i]); \ 93 } \ 94 p += scnprintf(p, buflen + buf - p, "\n"); \ 95 return p - buf; \ 96 } 97 98 #define IEEE80211_IF_FMT_ATOMIC(name, field) \ 99 static ssize_t ieee80211_if_fmt_##name( \ 100 const struct ieee80211_sub_if_data *sdata, \ 101 char *buf, int buflen) \ 102 { \ 103 return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\ 104 } 105 106 #define IEEE80211_IF_FMT_MAC(name, field) \ 107 static ssize_t ieee80211_if_fmt_##name( \ 108 const struct ieee80211_sub_if_data *sdata, char *buf, \ 109 int buflen) \ 110 { \ 111 return scnprintf(buf, buflen, "%pM\n", sdata->field); \ 112 } 113 114 #define IEEE80211_IF_FMT_JIFFIES_TO_MS(name, field) \ 115 static ssize_t ieee80211_if_fmt_##name( \ 116 const struct ieee80211_sub_if_data *sdata, \ 117 char *buf, int buflen) \ 118 { \ 119 return scnprintf(buf, buflen, "%d\n", \ 120 jiffies_to_msecs(sdata->field)); \ 121 } 122 123 #define _IEEE80211_IF_FILE_OPS(name, _read, _write) \ 124 static const struct file_operations name##_ops = { \ 125 .read = (_read), \ 126 .write = (_write), \ 127 .open = simple_open, \ 128 .llseek = generic_file_llseek, \ 129 } 130 131 #define _IEEE80211_IF_FILE_R_FN(name) \ 132 static ssize_t ieee80211_if_read_##name(struct file *file, \ 133 char __user *userbuf, \ 134 size_t count, loff_t *ppos) \ 135 { \ 136 return ieee80211_if_read(file->private_data, \ 137 userbuf, count, ppos, \ 138 ieee80211_if_fmt_##name); \ 139 } 140 141 #define _IEEE80211_IF_FILE_W_FN(name) \ 142 static ssize_t ieee80211_if_write_##name(struct file *file, \ 143 const char __user *userbuf, \ 144 size_t count, loff_t *ppos) \ 145 { \ 146 return ieee80211_if_write(file->private_data, userbuf, count, \ 147 ppos, ieee80211_if_parse_##name); \ 148 } 149 150 #define IEEE80211_IF_FILE_R(name) \ 151 _IEEE80211_IF_FILE_R_FN(name) \ 152 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, NULL) 153 154 #define IEEE80211_IF_FILE_W(name) \ 155 _IEEE80211_IF_FILE_W_FN(name) \ 156 _IEEE80211_IF_FILE_OPS(name, NULL, ieee80211_if_write_##name) 157 158 #define IEEE80211_IF_FILE_RW(name) \ 159 _IEEE80211_IF_FILE_R_FN(name) \ 160 _IEEE80211_IF_FILE_W_FN(name) \ 161 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, \ 162 ieee80211_if_write_##name) 163 164 #define IEEE80211_IF_FILE(name, field, format) \ 165 IEEE80211_IF_FMT_##format(name, field) \ 166 IEEE80211_IF_FILE_R(name) 167 168 /* common attributes */ 169 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[NL80211_BAND_2GHZ], 170 HEX); 171 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[NL80211_BAND_5GHZ], 172 HEX); 173 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz, 174 rc_rateidx_mcs_mask[NL80211_BAND_2GHZ], HEXARRAY); 175 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz, 176 rc_rateidx_mcs_mask[NL80211_BAND_5GHZ], HEXARRAY); 177 178 static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_2ghz( 179 const struct ieee80211_sub_if_data *sdata, 180 char *buf, int buflen) 181 { 182 int i, len = 0; 183 const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_2GHZ]; 184 185 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) 186 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]); 187 len += scnprintf(buf + len, buflen - len, "\n"); 188 189 return len; 190 } 191 192 IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_2ghz); 193 194 static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_5ghz( 195 const struct ieee80211_sub_if_data *sdata, 196 char *buf, int buflen) 197 { 198 int i, len = 0; 199 const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_5GHZ]; 200 201 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) 202 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]); 203 len += scnprintf(buf + len, buflen - len, "\n"); 204 205 return len; 206 } 207 208 IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_5ghz); 209 210 IEEE80211_IF_FILE(flags, flags, HEX); 211 IEEE80211_IF_FILE(state, state, LHEX); 212 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC); 213 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC); 214 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC); 215 216 static ssize_t 217 ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata, 218 char *buf, int buflen) 219 { 220 int len; 221 222 len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n", 223 sdata->vif.hw_queue[IEEE80211_AC_VO], 224 sdata->vif.hw_queue[IEEE80211_AC_VI], 225 sdata->vif.hw_queue[IEEE80211_AC_BE], 226 sdata->vif.hw_queue[IEEE80211_AC_BK]); 227 228 if (sdata->vif.type == NL80211_IFTYPE_AP) 229 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n", 230 sdata->vif.cab_queue); 231 232 return len; 233 } 234 IEEE80211_IF_FILE_R(hw_queues); 235 236 /* STA attributes */ 237 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC); 238 IEEE80211_IF_FILE(aid, vif.bss_conf.aid, DEC); 239 IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS); 240 241 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata, 242 enum ieee80211_smps_mode smps_mode) 243 { 244 struct ieee80211_local *local = sdata->local; 245 int err; 246 247 if (!(local->hw.wiphy->features & NL80211_FEATURE_STATIC_SMPS) && 248 smps_mode == IEEE80211_SMPS_STATIC) 249 return -EINVAL; 250 251 /* auto should be dynamic if in PS mode */ 252 if (!(local->hw.wiphy->features & NL80211_FEATURE_DYNAMIC_SMPS) && 253 (smps_mode == IEEE80211_SMPS_DYNAMIC || 254 smps_mode == IEEE80211_SMPS_AUTOMATIC)) 255 return -EINVAL; 256 257 if (sdata->vif.type != NL80211_IFTYPE_STATION) 258 return -EOPNOTSUPP; 259 260 sdata_lock(sdata); 261 err = __ieee80211_request_smps_mgd(sdata, smps_mode); 262 sdata_unlock(sdata); 263 264 return err; 265 } 266 267 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = { 268 [IEEE80211_SMPS_AUTOMATIC] = "auto", 269 [IEEE80211_SMPS_OFF] = "off", 270 [IEEE80211_SMPS_STATIC] = "static", 271 [IEEE80211_SMPS_DYNAMIC] = "dynamic", 272 }; 273 274 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata, 275 char *buf, int buflen) 276 { 277 if (sdata->vif.type == NL80211_IFTYPE_STATION) 278 return snprintf(buf, buflen, "request: %s\nused: %s\n", 279 smps_modes[sdata->u.mgd.req_smps], 280 smps_modes[sdata->smps_mode]); 281 return -EINVAL; 282 } 283 284 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata, 285 const char *buf, int buflen) 286 { 287 enum ieee80211_smps_mode mode; 288 289 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) { 290 if (strncmp(buf, smps_modes[mode], buflen) == 0) { 291 int err = ieee80211_set_smps(sdata, mode); 292 if (!err) 293 return buflen; 294 return err; 295 } 296 } 297 298 return -EINVAL; 299 } 300 IEEE80211_IF_FILE_RW(smps); 301 302 static ssize_t ieee80211_if_parse_tkip_mic_test( 303 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 304 { 305 struct ieee80211_local *local = sdata->local; 306 u8 addr[ETH_ALEN]; 307 struct sk_buff *skb; 308 struct ieee80211_hdr *hdr; 309 __le16 fc; 310 311 if (!mac_pton(buf, addr)) 312 return -EINVAL; 313 314 if (!ieee80211_sdata_running(sdata)) 315 return -ENOTCONN; 316 317 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100); 318 if (!skb) 319 return -ENOMEM; 320 skb_reserve(skb, local->hw.extra_tx_headroom); 321 322 hdr = skb_put_zero(skb, 24); 323 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA); 324 325 switch (sdata->vif.type) { 326 case NL80211_IFTYPE_AP: 327 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); 328 /* DA BSSID SA */ 329 memcpy(hdr->addr1, addr, ETH_ALEN); 330 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 331 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN); 332 break; 333 case NL80211_IFTYPE_STATION: 334 fc |= cpu_to_le16(IEEE80211_FCTL_TODS); 335 /* BSSID SA DA */ 336 sdata_lock(sdata); 337 if (!sdata->u.mgd.associated) { 338 sdata_unlock(sdata); 339 dev_kfree_skb(skb); 340 return -ENOTCONN; 341 } 342 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN); 343 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 344 memcpy(hdr->addr3, addr, ETH_ALEN); 345 sdata_unlock(sdata); 346 break; 347 default: 348 dev_kfree_skb(skb); 349 return -EOPNOTSUPP; 350 } 351 hdr->frame_control = fc; 352 353 /* 354 * Add some length to the test frame to make it look bit more valid. 355 * The exact contents does not matter since the recipient is required 356 * to drop this because of the Michael MIC failure. 357 */ 358 skb_put_zero(skb, 50); 359 360 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE; 361 362 ieee80211_tx_skb(sdata, skb); 363 364 return buflen; 365 } 366 IEEE80211_IF_FILE_W(tkip_mic_test); 367 368 static ssize_t ieee80211_if_parse_beacon_loss( 369 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 370 { 371 if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc) 372 return -ENOTCONN; 373 374 ieee80211_beacon_loss(&sdata->vif); 375 376 return buflen; 377 } 378 IEEE80211_IF_FILE_W(beacon_loss); 379 380 static ssize_t ieee80211_if_fmt_uapsd_queues( 381 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 382 { 383 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 384 385 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues); 386 } 387 388 static ssize_t ieee80211_if_parse_uapsd_queues( 389 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 390 { 391 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 392 u8 val; 393 int ret; 394 395 ret = kstrtou8(buf, 0, &val); 396 if (ret) 397 return ret; 398 399 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) 400 return -ERANGE; 401 402 ifmgd->uapsd_queues = val; 403 404 return buflen; 405 } 406 IEEE80211_IF_FILE_RW(uapsd_queues); 407 408 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len( 409 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 410 { 411 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 412 413 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len); 414 } 415 416 static ssize_t ieee80211_if_parse_uapsd_max_sp_len( 417 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 418 { 419 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 420 unsigned long val; 421 int ret; 422 423 ret = kstrtoul(buf, 0, &val); 424 if (ret) 425 return -EINVAL; 426 427 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) 428 return -ERANGE; 429 430 ifmgd->uapsd_max_sp_len = val; 431 432 return buflen; 433 } 434 IEEE80211_IF_FILE_RW(uapsd_max_sp_len); 435 436 static ssize_t ieee80211_if_fmt_tdls_wider_bw( 437 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 438 { 439 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 440 bool tdls_wider_bw; 441 442 tdls_wider_bw = ieee80211_hw_check(&sdata->local->hw, TDLS_WIDER_BW) && 443 !ifmgd->tdls_wider_bw_prohibited; 444 445 return snprintf(buf, buflen, "%d\n", tdls_wider_bw); 446 } 447 448 static ssize_t ieee80211_if_parse_tdls_wider_bw( 449 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 450 { 451 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 452 u8 val; 453 int ret; 454 455 ret = kstrtou8(buf, 0, &val); 456 if (ret) 457 return ret; 458 459 ifmgd->tdls_wider_bw_prohibited = !val; 460 return buflen; 461 } 462 IEEE80211_IF_FILE_RW(tdls_wider_bw); 463 464 /* AP attributes */ 465 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC); 466 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC); 467 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC); 468 IEEE80211_IF_FILE(num_mcast_sta_vlan, u.vlan.num_mcast_sta, ATOMIC); 469 470 static ssize_t ieee80211_if_fmt_num_buffered_multicast( 471 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 472 { 473 return scnprintf(buf, buflen, "%u\n", 474 skb_queue_len(&sdata->u.ap.ps.bc_buf)); 475 } 476 IEEE80211_IF_FILE_R(num_buffered_multicast); 477 478 static ssize_t ieee80211_if_fmt_aqm( 479 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 480 { 481 struct ieee80211_local *local = sdata->local; 482 struct txq_info *txqi; 483 int len; 484 485 if (!sdata->vif.txq) 486 return 0; 487 488 txqi = to_txq_info(sdata->vif.txq); 489 490 spin_lock_bh(&local->fq.lock); 491 rcu_read_lock(); 492 493 len = scnprintf(buf, 494 buflen, 495 "ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets\n" 496 "%u %u %u %u %u %u %u %u %u %u\n", 497 txqi->txq.ac, 498 txqi->tin.backlog_bytes, 499 txqi->tin.backlog_packets, 500 txqi->tin.flows, 501 txqi->cstats.drop_count, 502 txqi->cstats.ecn_mark, 503 txqi->tin.overlimit, 504 txqi->tin.collisions, 505 txqi->tin.tx_bytes, 506 txqi->tin.tx_packets); 507 508 rcu_read_unlock(); 509 spin_unlock_bh(&local->fq.lock); 510 511 return len; 512 } 513 IEEE80211_IF_FILE_R(aqm); 514 515 static ssize_t ieee80211_if_fmt_airtime( 516 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 517 { 518 struct ieee80211_local *local = sdata->local; 519 struct ieee80211_txq *txq = sdata->vif.txq; 520 struct airtime_info *air_info; 521 int len; 522 523 if (!txq) 524 return 0; 525 526 spin_lock_bh(&local->airtime[txq->ac].lock); 527 air_info = to_airtime_info(txq); 528 len = scnprintf(buf, 529 buflen, 530 "RX: %llu us\nTX: %llu us\nWeight: %u\n" 531 "Virt-T: %lld us\n", 532 air_info->rx_airtime, 533 air_info->tx_airtime, 534 air_info->weight, 535 air_info->v_t); 536 spin_unlock_bh(&local->airtime[txq->ac].lock); 537 538 return len; 539 } 540 541 IEEE80211_IF_FILE_R(airtime); 542 543 IEEE80211_IF_FILE(multicast_to_unicast, u.ap.multicast_to_unicast, HEX); 544 545 /* IBSS attributes */ 546 static ssize_t ieee80211_if_fmt_tsf( 547 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 548 { 549 struct ieee80211_local *local = sdata->local; 550 u64 tsf; 551 552 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata); 553 554 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf); 555 } 556 557 static ssize_t ieee80211_if_parse_tsf( 558 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 559 { 560 struct ieee80211_local *local = sdata->local; 561 unsigned long long tsf; 562 int ret; 563 int tsf_is_delta = 0; 564 565 if (strncmp(buf, "reset", 5) == 0) { 566 if (local->ops->reset_tsf) { 567 drv_reset_tsf(local, sdata); 568 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n"); 569 } 570 } else { 571 if (buflen > 10 && buf[1] == '=') { 572 if (buf[0] == '+') 573 tsf_is_delta = 1; 574 else if (buf[0] == '-') 575 tsf_is_delta = -1; 576 else 577 return -EINVAL; 578 buf += 2; 579 } 580 ret = kstrtoull(buf, 10, &tsf); 581 if (ret < 0) 582 return ret; 583 if (tsf_is_delta && local->ops->offset_tsf) { 584 drv_offset_tsf(local, sdata, tsf_is_delta * tsf); 585 wiphy_info(local->hw.wiphy, 586 "debugfs offset TSF by %018lld\n", 587 tsf_is_delta * tsf); 588 } else if (local->ops->set_tsf) { 589 if (tsf_is_delta) 590 tsf = drv_get_tsf(local, sdata) + 591 tsf_is_delta * tsf; 592 drv_set_tsf(local, sdata, tsf); 593 wiphy_info(local->hw.wiphy, 594 "debugfs set TSF to %#018llx\n", tsf); 595 } 596 } 597 598 ieee80211_recalc_dtim(local, sdata); 599 return buflen; 600 } 601 IEEE80211_IF_FILE_RW(tsf); 602 603 604 #ifdef CONFIG_MAC80211_MESH 605 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC); 606 607 /* Mesh stats attributes */ 608 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC); 609 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC); 610 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC); 611 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC); 612 IEEE80211_IF_FILE(dropped_frames_congestion, 613 u.mesh.mshstats.dropped_frames_congestion, DEC); 614 IEEE80211_IF_FILE(dropped_frames_no_route, 615 u.mesh.mshstats.dropped_frames_no_route, DEC); 616 617 /* Mesh parameters */ 618 IEEE80211_IF_FILE(dot11MeshMaxRetries, 619 u.mesh.mshcfg.dot11MeshMaxRetries, DEC); 620 IEEE80211_IF_FILE(dot11MeshRetryTimeout, 621 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC); 622 IEEE80211_IF_FILE(dot11MeshConfirmTimeout, 623 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC); 624 IEEE80211_IF_FILE(dot11MeshHoldingTimeout, 625 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC); 626 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC); 627 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC); 628 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC); 629 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks, 630 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC); 631 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout, 632 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC); 633 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval, 634 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC); 635 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval, 636 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC); 637 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime, 638 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC); 639 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries, 640 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC); 641 IEEE80211_IF_FILE(path_refresh_time, 642 u.mesh.mshcfg.path_refresh_time, DEC); 643 IEEE80211_IF_FILE(min_discovery_timeout, 644 u.mesh.mshcfg.min_discovery_timeout, DEC); 645 IEEE80211_IF_FILE(dot11MeshHWMPRootMode, 646 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC); 647 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol, 648 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC); 649 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval, 650 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC); 651 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC); 652 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC); 653 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC); 654 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout, 655 u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC); 656 IEEE80211_IF_FILE(dot11MeshHWMProotInterval, 657 u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC); 658 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval, 659 u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC); 660 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC); 661 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration, 662 u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC); 663 IEEE80211_IF_FILE(dot11MeshConnectedToMeshGate, 664 u.mesh.mshcfg.dot11MeshConnectedToMeshGate, DEC); 665 IEEE80211_IF_FILE(dot11MeshNolearn, u.mesh.mshcfg.dot11MeshNolearn, DEC); 666 IEEE80211_IF_FILE(dot11MeshConnectedToAuthServer, 667 u.mesh.mshcfg.dot11MeshConnectedToAuthServer, DEC); 668 #endif 669 670 #define DEBUGFS_ADD_MODE(name, mode) \ 671 debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \ 672 sdata, &name##_ops) 673 674 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400) 675 676 static void add_common_files(struct ieee80211_sub_if_data *sdata) 677 { 678 DEBUGFS_ADD(rc_rateidx_mask_2ghz); 679 DEBUGFS_ADD(rc_rateidx_mask_5ghz); 680 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); 681 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); 682 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_2ghz); 683 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_5ghz); 684 DEBUGFS_ADD(hw_queues); 685 686 if (sdata->local->ops->wake_tx_queue && 687 sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE && 688 sdata->vif.type != NL80211_IFTYPE_NAN) { 689 DEBUGFS_ADD(aqm); 690 DEBUGFS_ADD(airtime); 691 } 692 } 693 694 static void add_sta_files(struct ieee80211_sub_if_data *sdata) 695 { 696 DEBUGFS_ADD(bssid); 697 DEBUGFS_ADD(aid); 698 DEBUGFS_ADD(beacon_timeout); 699 DEBUGFS_ADD_MODE(smps, 0600); 700 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 701 DEBUGFS_ADD_MODE(beacon_loss, 0200); 702 DEBUGFS_ADD_MODE(uapsd_queues, 0600); 703 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600); 704 DEBUGFS_ADD_MODE(tdls_wider_bw, 0600); 705 } 706 707 static void add_ap_files(struct ieee80211_sub_if_data *sdata) 708 { 709 DEBUGFS_ADD(num_mcast_sta); 710 DEBUGFS_ADD_MODE(smps, 0600); 711 DEBUGFS_ADD(num_sta_ps); 712 DEBUGFS_ADD(dtim_count); 713 DEBUGFS_ADD(num_buffered_multicast); 714 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 715 DEBUGFS_ADD_MODE(multicast_to_unicast, 0600); 716 } 717 718 static void add_vlan_files(struct ieee80211_sub_if_data *sdata) 719 { 720 /* add num_mcast_sta_vlan using name num_mcast_sta */ 721 debugfs_create_file("num_mcast_sta", 0400, sdata->vif.debugfs_dir, 722 sdata, &num_mcast_sta_vlan_ops); 723 } 724 725 static void add_ibss_files(struct ieee80211_sub_if_data *sdata) 726 { 727 DEBUGFS_ADD_MODE(tsf, 0600); 728 } 729 730 #ifdef CONFIG_MAC80211_MESH 731 732 static void add_mesh_files(struct ieee80211_sub_if_data *sdata) 733 { 734 DEBUGFS_ADD_MODE(tsf, 0600); 735 DEBUGFS_ADD_MODE(estab_plinks, 0400); 736 } 737 738 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata) 739 { 740 struct dentry *dir = debugfs_create_dir("mesh_stats", 741 sdata->vif.debugfs_dir); 742 #define MESHSTATS_ADD(name)\ 743 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops) 744 745 MESHSTATS_ADD(fwded_mcast); 746 MESHSTATS_ADD(fwded_unicast); 747 MESHSTATS_ADD(fwded_frames); 748 MESHSTATS_ADD(dropped_frames_ttl); 749 MESHSTATS_ADD(dropped_frames_no_route); 750 MESHSTATS_ADD(dropped_frames_congestion); 751 #undef MESHSTATS_ADD 752 } 753 754 static void add_mesh_config(struct ieee80211_sub_if_data *sdata) 755 { 756 struct dentry *dir = debugfs_create_dir("mesh_config", 757 sdata->vif.debugfs_dir); 758 759 #define MESHPARAMS_ADD(name) \ 760 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops) 761 762 MESHPARAMS_ADD(dot11MeshMaxRetries); 763 MESHPARAMS_ADD(dot11MeshRetryTimeout); 764 MESHPARAMS_ADD(dot11MeshConfirmTimeout); 765 MESHPARAMS_ADD(dot11MeshHoldingTimeout); 766 MESHPARAMS_ADD(dot11MeshTTL); 767 MESHPARAMS_ADD(element_ttl); 768 MESHPARAMS_ADD(auto_open_plinks); 769 MESHPARAMS_ADD(dot11MeshMaxPeerLinks); 770 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout); 771 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval); 772 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval); 773 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime); 774 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries); 775 MESHPARAMS_ADD(path_refresh_time); 776 MESHPARAMS_ADD(min_discovery_timeout); 777 MESHPARAMS_ADD(dot11MeshHWMPRootMode); 778 MESHPARAMS_ADD(dot11MeshHWMPRannInterval); 779 MESHPARAMS_ADD(dot11MeshForwarding); 780 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol); 781 MESHPARAMS_ADD(rssi_threshold); 782 MESHPARAMS_ADD(ht_opmode); 783 MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout); 784 MESHPARAMS_ADD(dot11MeshHWMProotInterval); 785 MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval); 786 MESHPARAMS_ADD(power_mode); 787 MESHPARAMS_ADD(dot11MeshAwakeWindowDuration); 788 MESHPARAMS_ADD(dot11MeshConnectedToMeshGate); 789 MESHPARAMS_ADD(dot11MeshNolearn); 790 MESHPARAMS_ADD(dot11MeshConnectedToAuthServer); 791 #undef MESHPARAMS_ADD 792 } 793 #endif 794 795 static void add_files(struct ieee80211_sub_if_data *sdata) 796 { 797 if (!sdata->vif.debugfs_dir) 798 return; 799 800 DEBUGFS_ADD(flags); 801 DEBUGFS_ADD(state); 802 DEBUGFS_ADD(txpower); 803 DEBUGFS_ADD(user_power_level); 804 DEBUGFS_ADD(ap_power_level); 805 806 if (sdata->vif.type != NL80211_IFTYPE_MONITOR) 807 add_common_files(sdata); 808 809 switch (sdata->vif.type) { 810 case NL80211_IFTYPE_MESH_POINT: 811 #ifdef CONFIG_MAC80211_MESH 812 add_mesh_files(sdata); 813 add_mesh_stats(sdata); 814 add_mesh_config(sdata); 815 #endif 816 break; 817 case NL80211_IFTYPE_STATION: 818 add_sta_files(sdata); 819 break; 820 case NL80211_IFTYPE_ADHOC: 821 add_ibss_files(sdata); 822 break; 823 case NL80211_IFTYPE_AP: 824 add_ap_files(sdata); 825 break; 826 case NL80211_IFTYPE_AP_VLAN: 827 add_vlan_files(sdata); 828 break; 829 default: 830 break; 831 } 832 } 833 834 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata) 835 { 836 char buf[10+IFNAMSIZ]; 837 838 sprintf(buf, "netdev:%s", sdata->name); 839 sdata->vif.debugfs_dir = debugfs_create_dir(buf, 840 sdata->local->hw.wiphy->debugfsdir); 841 sdata->debugfs.subdir_stations = debugfs_create_dir("stations", 842 sdata->vif.debugfs_dir); 843 add_files(sdata); 844 } 845 846 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) 847 { 848 if (!sdata->vif.debugfs_dir) 849 return; 850 851 debugfs_remove_recursive(sdata->vif.debugfs_dir); 852 sdata->vif.debugfs_dir = NULL; 853 sdata->debugfs.subdir_stations = NULL; 854 } 855 856 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata) 857 { 858 struct dentry *dir; 859 char buf[10 + IFNAMSIZ]; 860 861 dir = sdata->vif.debugfs_dir; 862 863 if (IS_ERR_OR_NULL(dir)) 864 return; 865 866 sprintf(buf, "netdev:%s", sdata->name); 867 debugfs_rename(dir->d_parent, dir, dir->d_parent, buf); 868 } 869