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) 2020-2022 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 81 #define IEEE80211_IF_FMT_HEXARRAY(name, field) \ 82 static ssize_t ieee80211_if_fmt_##name( \ 83 const struct ieee80211_sub_if_data *sdata, \ 84 char *buf, int buflen) \ 85 { \ 86 char *p = buf; \ 87 int i; \ 88 for (i = 0; i < sizeof(sdata->field); i++) { \ 89 p += scnprintf(p, buflen + buf - p, "%.2x ", \ 90 sdata->field[i]); \ 91 } \ 92 p += scnprintf(p, buflen + buf - p, "\n"); \ 93 return p - buf; \ 94 } 95 96 #define IEEE80211_IF_FMT_ATOMIC(name, field) \ 97 static ssize_t ieee80211_if_fmt_##name( \ 98 const struct ieee80211_sub_if_data *sdata, \ 99 char *buf, int buflen) \ 100 { \ 101 return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\ 102 } 103 104 #define IEEE80211_IF_FMT_MAC(name, field) \ 105 static ssize_t ieee80211_if_fmt_##name( \ 106 const struct ieee80211_sub_if_data *sdata, char *buf, \ 107 int buflen) \ 108 { \ 109 return scnprintf(buf, buflen, "%pM\n", sdata->field); \ 110 } 111 112 #define IEEE80211_IF_FMT_JIFFIES_TO_MS(name, field) \ 113 static ssize_t ieee80211_if_fmt_##name( \ 114 const struct ieee80211_sub_if_data *sdata, \ 115 char *buf, int buflen) \ 116 { \ 117 return scnprintf(buf, buflen, "%d\n", \ 118 jiffies_to_msecs(sdata->field)); \ 119 } 120 121 #define _IEEE80211_IF_FILE_OPS(name, _read, _write) \ 122 static const struct file_operations name##_ops = { \ 123 .read = (_read), \ 124 .write = (_write), \ 125 .open = simple_open, \ 126 .llseek = generic_file_llseek, \ 127 } 128 129 #define _IEEE80211_IF_FILE_R_FN(name) \ 130 static ssize_t ieee80211_if_read_##name(struct file *file, \ 131 char __user *userbuf, \ 132 size_t count, loff_t *ppos) \ 133 { \ 134 return ieee80211_if_read(file->private_data, \ 135 userbuf, count, ppos, \ 136 ieee80211_if_fmt_##name); \ 137 } 138 139 #define _IEEE80211_IF_FILE_W_FN(name) \ 140 static ssize_t ieee80211_if_write_##name(struct file *file, \ 141 const char __user *userbuf, \ 142 size_t count, loff_t *ppos) \ 143 { \ 144 return ieee80211_if_write(file->private_data, userbuf, count, \ 145 ppos, ieee80211_if_parse_##name); \ 146 } 147 148 #define IEEE80211_IF_FILE_R(name) \ 149 _IEEE80211_IF_FILE_R_FN(name) \ 150 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, NULL) 151 152 #define IEEE80211_IF_FILE_W(name) \ 153 _IEEE80211_IF_FILE_W_FN(name) \ 154 _IEEE80211_IF_FILE_OPS(name, NULL, ieee80211_if_write_##name) 155 156 #define IEEE80211_IF_FILE_RW(name) \ 157 _IEEE80211_IF_FILE_R_FN(name) \ 158 _IEEE80211_IF_FILE_W_FN(name) \ 159 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, \ 160 ieee80211_if_write_##name) 161 162 #define IEEE80211_IF_FILE(name, field, format) \ 163 IEEE80211_IF_FMT_##format(name, field) \ 164 IEEE80211_IF_FILE_R(name) 165 166 /* common attributes */ 167 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[NL80211_BAND_2GHZ], 168 HEX); 169 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[NL80211_BAND_5GHZ], 170 HEX); 171 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz, 172 rc_rateidx_mcs_mask[NL80211_BAND_2GHZ], HEXARRAY); 173 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz, 174 rc_rateidx_mcs_mask[NL80211_BAND_5GHZ], HEXARRAY); 175 176 static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_2ghz( 177 const struct ieee80211_sub_if_data *sdata, 178 char *buf, int buflen) 179 { 180 int i, len = 0; 181 const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_2GHZ]; 182 183 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) 184 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]); 185 len += scnprintf(buf + len, buflen - len, "\n"); 186 187 return len; 188 } 189 190 IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_2ghz); 191 192 static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_5ghz( 193 const struct ieee80211_sub_if_data *sdata, 194 char *buf, int buflen) 195 { 196 int i, len = 0; 197 const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_5GHZ]; 198 199 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) 200 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]); 201 len += scnprintf(buf + len, buflen - len, "\n"); 202 203 return len; 204 } 205 206 IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_5ghz); 207 208 IEEE80211_IF_FILE(flags, flags, HEX); 209 IEEE80211_IF_FILE(state, state, LHEX); 210 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC); 211 IEEE80211_IF_FILE(ap_power_level, deflink.ap_power_level, DEC); 212 IEEE80211_IF_FILE(user_power_level, deflink.user_power_level, DEC); 213 214 static ssize_t 215 ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata, 216 char *buf, int buflen) 217 { 218 int len; 219 220 len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n", 221 sdata->vif.hw_queue[IEEE80211_AC_VO], 222 sdata->vif.hw_queue[IEEE80211_AC_VI], 223 sdata->vif.hw_queue[IEEE80211_AC_BE], 224 sdata->vif.hw_queue[IEEE80211_AC_BK]); 225 226 if (sdata->vif.type == NL80211_IFTYPE_AP) 227 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n", 228 sdata->vif.cab_queue); 229 230 return len; 231 } 232 IEEE80211_IF_FILE_R(hw_queues); 233 234 /* STA attributes */ 235 IEEE80211_IF_FILE(bssid, deflink.u.mgd.bssid, MAC); 236 IEEE80211_IF_FILE(aid, vif.cfg.aid, DEC); 237 IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS); 238 239 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata, 240 enum ieee80211_smps_mode smps_mode) 241 { 242 struct ieee80211_local *local = sdata->local; 243 int err; 244 245 if (!(local->hw.wiphy->features & NL80211_FEATURE_STATIC_SMPS) && 246 smps_mode == IEEE80211_SMPS_STATIC) 247 return -EINVAL; 248 249 /* auto should be dynamic if in PS mode */ 250 if (!(local->hw.wiphy->features & NL80211_FEATURE_DYNAMIC_SMPS) && 251 (smps_mode == IEEE80211_SMPS_DYNAMIC || 252 smps_mode == IEEE80211_SMPS_AUTOMATIC)) 253 return -EINVAL; 254 255 if (sdata->vif.type != NL80211_IFTYPE_STATION) 256 return -EOPNOTSUPP; 257 258 sdata_lock(sdata); 259 err = __ieee80211_request_smps_mgd(sdata, &sdata->deflink, smps_mode); 260 sdata_unlock(sdata); 261 262 return err; 263 } 264 265 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = { 266 [IEEE80211_SMPS_AUTOMATIC] = "auto", 267 [IEEE80211_SMPS_OFF] = "off", 268 [IEEE80211_SMPS_STATIC] = "static", 269 [IEEE80211_SMPS_DYNAMIC] = "dynamic", 270 }; 271 272 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata, 273 char *buf, int buflen) 274 { 275 if (sdata->vif.type == NL80211_IFTYPE_STATION) 276 return snprintf(buf, buflen, "request: %s\nused: %s\n", 277 smps_modes[sdata->deflink.u.mgd.req_smps], 278 smps_modes[sdata->deflink.smps_mode]); 279 return -EINVAL; 280 } 281 282 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata, 283 const char *buf, int buflen) 284 { 285 enum ieee80211_smps_mode mode; 286 287 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) { 288 if (strncmp(buf, smps_modes[mode], buflen) == 0) { 289 int err = ieee80211_set_smps(sdata, mode); 290 if (!err) 291 return buflen; 292 return err; 293 } 294 } 295 296 return -EINVAL; 297 } 298 IEEE80211_IF_FILE_RW(smps); 299 300 static ssize_t ieee80211_if_parse_tkip_mic_test( 301 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 302 { 303 struct ieee80211_local *local = sdata->local; 304 u8 addr[ETH_ALEN]; 305 struct sk_buff *skb; 306 struct ieee80211_hdr *hdr; 307 __le16 fc; 308 309 if (!mac_pton(buf, addr)) 310 return -EINVAL; 311 312 if (!ieee80211_sdata_running(sdata)) 313 return -ENOTCONN; 314 315 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100); 316 if (!skb) 317 return -ENOMEM; 318 skb_reserve(skb, local->hw.extra_tx_headroom); 319 320 hdr = skb_put_zero(skb, 24); 321 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA); 322 323 switch (sdata->vif.type) { 324 case NL80211_IFTYPE_AP: 325 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); 326 /* DA BSSID SA */ 327 memcpy(hdr->addr1, addr, ETH_ALEN); 328 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 329 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN); 330 break; 331 case NL80211_IFTYPE_STATION: 332 fc |= cpu_to_le16(IEEE80211_FCTL_TODS); 333 /* BSSID SA DA */ 334 sdata_lock(sdata); 335 if (!sdata->u.mgd.associated) { 336 sdata_unlock(sdata); 337 dev_kfree_skb(skb); 338 return -ENOTCONN; 339 } 340 memcpy(hdr->addr1, sdata->deflink.u.mgd.bssid, ETH_ALEN); 341 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 342 memcpy(hdr->addr3, addr, ETH_ALEN); 343 sdata_unlock(sdata); 344 break; 345 default: 346 dev_kfree_skb(skb); 347 return -EOPNOTSUPP; 348 } 349 hdr->frame_control = fc; 350 351 /* 352 * Add some length to the test frame to make it look bit more valid. 353 * The exact contents does not matter since the recipient is required 354 * to drop this because of the Michael MIC failure. 355 */ 356 skb_put_zero(skb, 50); 357 358 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE; 359 360 ieee80211_tx_skb(sdata, skb); 361 362 return buflen; 363 } 364 IEEE80211_IF_FILE_W(tkip_mic_test); 365 366 static ssize_t ieee80211_if_parse_beacon_loss( 367 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 368 { 369 if (!ieee80211_sdata_running(sdata) || !sdata->vif.cfg.assoc) 370 return -ENOTCONN; 371 372 ieee80211_beacon_loss(&sdata->vif); 373 374 return buflen; 375 } 376 IEEE80211_IF_FILE_W(beacon_loss); 377 378 static ssize_t ieee80211_if_fmt_uapsd_queues( 379 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 380 { 381 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 382 383 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues); 384 } 385 386 static ssize_t ieee80211_if_parse_uapsd_queues( 387 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 388 { 389 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 390 u8 val; 391 int ret; 392 393 ret = kstrtou8(buf, 0, &val); 394 if (ret) 395 return ret; 396 397 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) 398 return -ERANGE; 399 400 ifmgd->uapsd_queues = val; 401 402 return buflen; 403 } 404 IEEE80211_IF_FILE_RW(uapsd_queues); 405 406 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len( 407 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 408 { 409 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 410 411 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len); 412 } 413 414 static ssize_t ieee80211_if_parse_uapsd_max_sp_len( 415 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 416 { 417 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 418 unsigned long val; 419 int ret; 420 421 ret = kstrtoul(buf, 0, &val); 422 if (ret) 423 return -EINVAL; 424 425 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) 426 return -ERANGE; 427 428 ifmgd->uapsd_max_sp_len = val; 429 430 return buflen; 431 } 432 IEEE80211_IF_FILE_RW(uapsd_max_sp_len); 433 434 static ssize_t ieee80211_if_fmt_tdls_wider_bw( 435 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 436 { 437 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 438 bool tdls_wider_bw; 439 440 tdls_wider_bw = ieee80211_hw_check(&sdata->local->hw, TDLS_WIDER_BW) && 441 !ifmgd->tdls_wider_bw_prohibited; 442 443 return snprintf(buf, buflen, "%d\n", tdls_wider_bw); 444 } 445 446 static ssize_t ieee80211_if_parse_tdls_wider_bw( 447 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 448 { 449 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 450 u8 val; 451 int ret; 452 453 ret = kstrtou8(buf, 0, &val); 454 if (ret) 455 return ret; 456 457 ifmgd->tdls_wider_bw_prohibited = !val; 458 return buflen; 459 } 460 IEEE80211_IF_FILE_RW(tdls_wider_bw); 461 462 /* AP attributes */ 463 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC); 464 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC); 465 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC); 466 IEEE80211_IF_FILE(num_mcast_sta_vlan, u.vlan.num_mcast_sta, ATOMIC); 467 468 static ssize_t ieee80211_if_fmt_num_buffered_multicast( 469 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 470 { 471 return scnprintf(buf, buflen, "%u\n", 472 skb_queue_len(&sdata->u.ap.ps.bc_buf)); 473 } 474 IEEE80211_IF_FILE_R(num_buffered_multicast); 475 476 static ssize_t ieee80211_if_fmt_aqm( 477 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 478 { 479 struct ieee80211_local *local = sdata->local; 480 struct txq_info *txqi; 481 int len; 482 483 if (!sdata->vif.txq) 484 return 0; 485 486 txqi = to_txq_info(sdata->vif.txq); 487 488 spin_lock_bh(&local->fq.lock); 489 rcu_read_lock(); 490 491 len = scnprintf(buf, 492 buflen, 493 "ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets\n" 494 "%u %u %u %u %u %u %u %u %u %u\n", 495 txqi->txq.ac, 496 txqi->tin.backlog_bytes, 497 txqi->tin.backlog_packets, 498 txqi->tin.flows, 499 txqi->cstats.drop_count, 500 txqi->cstats.ecn_mark, 501 txqi->tin.overlimit, 502 txqi->tin.collisions, 503 txqi->tin.tx_bytes, 504 txqi->tin.tx_packets); 505 506 rcu_read_unlock(); 507 spin_unlock_bh(&local->fq.lock); 508 509 return len; 510 } 511 IEEE80211_IF_FILE_R(aqm); 512 513 IEEE80211_IF_FILE(multicast_to_unicast, u.ap.multicast_to_unicast, HEX); 514 515 /* IBSS attributes */ 516 static ssize_t ieee80211_if_fmt_tsf( 517 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 518 { 519 struct ieee80211_local *local = sdata->local; 520 u64 tsf; 521 522 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata); 523 524 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf); 525 } 526 527 static ssize_t ieee80211_if_parse_tsf( 528 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 529 { 530 struct ieee80211_local *local = sdata->local; 531 unsigned long long tsf; 532 int ret; 533 int tsf_is_delta = 0; 534 535 if (strncmp(buf, "reset", 5) == 0) { 536 if (local->ops->reset_tsf) { 537 drv_reset_tsf(local, sdata); 538 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n"); 539 } 540 } else { 541 if (buflen > 10 && buf[1] == '=') { 542 if (buf[0] == '+') 543 tsf_is_delta = 1; 544 else if (buf[0] == '-') 545 tsf_is_delta = -1; 546 else 547 return -EINVAL; 548 buf += 2; 549 } 550 ret = kstrtoull(buf, 10, &tsf); 551 if (ret < 0) 552 return ret; 553 if (tsf_is_delta && local->ops->offset_tsf) { 554 drv_offset_tsf(local, sdata, tsf_is_delta * tsf); 555 wiphy_info(local->hw.wiphy, 556 "debugfs offset TSF by %018lld\n", 557 tsf_is_delta * tsf); 558 } else if (local->ops->set_tsf) { 559 if (tsf_is_delta) 560 tsf = drv_get_tsf(local, sdata) + 561 tsf_is_delta * tsf; 562 drv_set_tsf(local, sdata, tsf); 563 wiphy_info(local->hw.wiphy, 564 "debugfs set TSF to %#018llx\n", tsf); 565 } 566 } 567 568 ieee80211_recalc_dtim(local, sdata); 569 return buflen; 570 } 571 IEEE80211_IF_FILE_RW(tsf); 572 573 574 #ifdef CONFIG_MAC80211_MESH 575 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC); 576 577 /* Mesh stats attributes */ 578 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC); 579 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC); 580 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC); 581 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC); 582 IEEE80211_IF_FILE(dropped_frames_congestion, 583 u.mesh.mshstats.dropped_frames_congestion, DEC); 584 IEEE80211_IF_FILE(dropped_frames_no_route, 585 u.mesh.mshstats.dropped_frames_no_route, DEC); 586 587 /* Mesh parameters */ 588 IEEE80211_IF_FILE(dot11MeshMaxRetries, 589 u.mesh.mshcfg.dot11MeshMaxRetries, DEC); 590 IEEE80211_IF_FILE(dot11MeshRetryTimeout, 591 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC); 592 IEEE80211_IF_FILE(dot11MeshConfirmTimeout, 593 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC); 594 IEEE80211_IF_FILE(dot11MeshHoldingTimeout, 595 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC); 596 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC); 597 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC); 598 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC); 599 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks, 600 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC); 601 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout, 602 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC); 603 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval, 604 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC); 605 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval, 606 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC); 607 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime, 608 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC); 609 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries, 610 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC); 611 IEEE80211_IF_FILE(path_refresh_time, 612 u.mesh.mshcfg.path_refresh_time, DEC); 613 IEEE80211_IF_FILE(min_discovery_timeout, 614 u.mesh.mshcfg.min_discovery_timeout, DEC); 615 IEEE80211_IF_FILE(dot11MeshHWMPRootMode, 616 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC); 617 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol, 618 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC); 619 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval, 620 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC); 621 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC); 622 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC); 623 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC); 624 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout, 625 u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC); 626 IEEE80211_IF_FILE(dot11MeshHWMProotInterval, 627 u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC); 628 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval, 629 u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC); 630 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC); 631 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration, 632 u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC); 633 IEEE80211_IF_FILE(dot11MeshConnectedToMeshGate, 634 u.mesh.mshcfg.dot11MeshConnectedToMeshGate, DEC); 635 IEEE80211_IF_FILE(dot11MeshNolearn, u.mesh.mshcfg.dot11MeshNolearn, DEC); 636 IEEE80211_IF_FILE(dot11MeshConnectedToAuthServer, 637 u.mesh.mshcfg.dot11MeshConnectedToAuthServer, DEC); 638 #endif 639 640 #define DEBUGFS_ADD_MODE(name, mode) \ 641 debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \ 642 sdata, &name##_ops) 643 644 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400) 645 646 static void add_common_files(struct ieee80211_sub_if_data *sdata) 647 { 648 DEBUGFS_ADD(rc_rateidx_mask_2ghz); 649 DEBUGFS_ADD(rc_rateidx_mask_5ghz); 650 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); 651 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); 652 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_2ghz); 653 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_5ghz); 654 DEBUGFS_ADD(hw_queues); 655 656 if (sdata->local->ops->wake_tx_queue && 657 sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE && 658 sdata->vif.type != NL80211_IFTYPE_NAN) 659 DEBUGFS_ADD(aqm); 660 } 661 662 static void add_sta_files(struct ieee80211_sub_if_data *sdata) 663 { 664 DEBUGFS_ADD(bssid); 665 DEBUGFS_ADD(aid); 666 DEBUGFS_ADD(beacon_timeout); 667 DEBUGFS_ADD_MODE(smps, 0600); 668 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 669 DEBUGFS_ADD_MODE(beacon_loss, 0200); 670 DEBUGFS_ADD_MODE(uapsd_queues, 0600); 671 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600); 672 DEBUGFS_ADD_MODE(tdls_wider_bw, 0600); 673 } 674 675 static void add_ap_files(struct ieee80211_sub_if_data *sdata) 676 { 677 DEBUGFS_ADD(num_mcast_sta); 678 DEBUGFS_ADD_MODE(smps, 0600); 679 DEBUGFS_ADD(num_sta_ps); 680 DEBUGFS_ADD(dtim_count); 681 DEBUGFS_ADD(num_buffered_multicast); 682 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 683 DEBUGFS_ADD_MODE(multicast_to_unicast, 0600); 684 } 685 686 static void add_vlan_files(struct ieee80211_sub_if_data *sdata) 687 { 688 /* add num_mcast_sta_vlan using name num_mcast_sta */ 689 debugfs_create_file("num_mcast_sta", 0400, sdata->vif.debugfs_dir, 690 sdata, &num_mcast_sta_vlan_ops); 691 } 692 693 static void add_ibss_files(struct ieee80211_sub_if_data *sdata) 694 { 695 DEBUGFS_ADD_MODE(tsf, 0600); 696 } 697 698 #ifdef CONFIG_MAC80211_MESH 699 700 static void add_mesh_files(struct ieee80211_sub_if_data *sdata) 701 { 702 DEBUGFS_ADD_MODE(tsf, 0600); 703 DEBUGFS_ADD_MODE(estab_plinks, 0400); 704 } 705 706 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata) 707 { 708 struct dentry *dir = debugfs_create_dir("mesh_stats", 709 sdata->vif.debugfs_dir); 710 #define MESHSTATS_ADD(name)\ 711 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops) 712 713 MESHSTATS_ADD(fwded_mcast); 714 MESHSTATS_ADD(fwded_unicast); 715 MESHSTATS_ADD(fwded_frames); 716 MESHSTATS_ADD(dropped_frames_ttl); 717 MESHSTATS_ADD(dropped_frames_no_route); 718 MESHSTATS_ADD(dropped_frames_congestion); 719 #undef MESHSTATS_ADD 720 } 721 722 static void add_mesh_config(struct ieee80211_sub_if_data *sdata) 723 { 724 struct dentry *dir = debugfs_create_dir("mesh_config", 725 sdata->vif.debugfs_dir); 726 727 #define MESHPARAMS_ADD(name) \ 728 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops) 729 730 MESHPARAMS_ADD(dot11MeshMaxRetries); 731 MESHPARAMS_ADD(dot11MeshRetryTimeout); 732 MESHPARAMS_ADD(dot11MeshConfirmTimeout); 733 MESHPARAMS_ADD(dot11MeshHoldingTimeout); 734 MESHPARAMS_ADD(dot11MeshTTL); 735 MESHPARAMS_ADD(element_ttl); 736 MESHPARAMS_ADD(auto_open_plinks); 737 MESHPARAMS_ADD(dot11MeshMaxPeerLinks); 738 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout); 739 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval); 740 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval); 741 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime); 742 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries); 743 MESHPARAMS_ADD(path_refresh_time); 744 MESHPARAMS_ADD(min_discovery_timeout); 745 MESHPARAMS_ADD(dot11MeshHWMPRootMode); 746 MESHPARAMS_ADD(dot11MeshHWMPRannInterval); 747 MESHPARAMS_ADD(dot11MeshForwarding); 748 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol); 749 MESHPARAMS_ADD(rssi_threshold); 750 MESHPARAMS_ADD(ht_opmode); 751 MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout); 752 MESHPARAMS_ADD(dot11MeshHWMProotInterval); 753 MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval); 754 MESHPARAMS_ADD(power_mode); 755 MESHPARAMS_ADD(dot11MeshAwakeWindowDuration); 756 MESHPARAMS_ADD(dot11MeshConnectedToMeshGate); 757 MESHPARAMS_ADD(dot11MeshNolearn); 758 MESHPARAMS_ADD(dot11MeshConnectedToAuthServer); 759 #undef MESHPARAMS_ADD 760 } 761 #endif 762 763 static void add_files(struct ieee80211_sub_if_data *sdata) 764 { 765 if (!sdata->vif.debugfs_dir) 766 return; 767 768 DEBUGFS_ADD(flags); 769 DEBUGFS_ADD(state); 770 DEBUGFS_ADD(txpower); 771 DEBUGFS_ADD(user_power_level); 772 DEBUGFS_ADD(ap_power_level); 773 774 if (sdata->vif.type != NL80211_IFTYPE_MONITOR) 775 add_common_files(sdata); 776 777 switch (sdata->vif.type) { 778 case NL80211_IFTYPE_MESH_POINT: 779 #ifdef CONFIG_MAC80211_MESH 780 add_mesh_files(sdata); 781 add_mesh_stats(sdata); 782 add_mesh_config(sdata); 783 #endif 784 break; 785 case NL80211_IFTYPE_STATION: 786 add_sta_files(sdata); 787 break; 788 case NL80211_IFTYPE_ADHOC: 789 add_ibss_files(sdata); 790 break; 791 case NL80211_IFTYPE_AP: 792 add_ap_files(sdata); 793 break; 794 case NL80211_IFTYPE_AP_VLAN: 795 add_vlan_files(sdata); 796 break; 797 default: 798 break; 799 } 800 } 801 802 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata) 803 { 804 char buf[10+IFNAMSIZ]; 805 806 sprintf(buf, "netdev:%s", sdata->name); 807 sdata->vif.debugfs_dir = debugfs_create_dir(buf, 808 sdata->local->hw.wiphy->debugfsdir); 809 sdata->debugfs.subdir_stations = debugfs_create_dir("stations", 810 sdata->vif.debugfs_dir); 811 add_files(sdata); 812 } 813 814 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) 815 { 816 if (!sdata->vif.debugfs_dir) 817 return; 818 819 debugfs_remove_recursive(sdata->vif.debugfs_dir); 820 sdata->vif.debugfs_dir = NULL; 821 sdata->debugfs.subdir_stations = NULL; 822 } 823 824 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata) 825 { 826 struct dentry *dir; 827 char buf[10 + IFNAMSIZ]; 828 829 dir = sdata->vif.debugfs_dir; 830 831 if (IS_ERR_OR_NULL(dir)) 832 return; 833 834 sprintf(buf, "netdev:%s", sdata->name); 835 debugfs_rename(dir->d_parent, dir, dir->d_parent, buf); 836 } 837