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 ret = -ENODEV; 61 rtnl_lock(); 62 ret = (*write)(sdata, buf, count); 63 rtnl_unlock(); 64 65 return ret; 66 } 67 68 #define IEEE80211_IF_FMT(name, field, format_string) \ 69 static ssize_t ieee80211_if_fmt_##name( \ 70 const struct ieee80211_sub_if_data *sdata, char *buf, \ 71 int buflen) \ 72 { \ 73 return scnprintf(buf, buflen, format_string, sdata->field); \ 74 } 75 #define IEEE80211_IF_FMT_DEC(name, field) \ 76 IEEE80211_IF_FMT(name, field, "%d\n") 77 #define IEEE80211_IF_FMT_HEX(name, field) \ 78 IEEE80211_IF_FMT(name, field, "%#x\n") 79 #define IEEE80211_IF_FMT_LHEX(name, field) \ 80 IEEE80211_IF_FMT(name, field, "%#lx\n") 81 #define IEEE80211_IF_FMT_SIZE(name, field) \ 82 IEEE80211_IF_FMT(name, field, "%zd\n") 83 84 #define IEEE80211_IF_FMT_HEXARRAY(name, field) \ 85 static ssize_t ieee80211_if_fmt_##name( \ 86 const struct ieee80211_sub_if_data *sdata, \ 87 char *buf, int buflen) \ 88 { \ 89 char *p = buf; \ 90 int i; \ 91 for (i = 0; i < sizeof(sdata->field); i++) { \ 92 p += scnprintf(p, buflen + buf - p, "%.2x ", \ 93 sdata->field[i]); \ 94 } \ 95 p += scnprintf(p, buflen + buf - p, "\n"); \ 96 return p - buf; \ 97 } 98 99 #define IEEE80211_IF_FMT_ATOMIC(name, field) \ 100 static ssize_t ieee80211_if_fmt_##name( \ 101 const struct ieee80211_sub_if_data *sdata, \ 102 char *buf, int buflen) \ 103 { \ 104 return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\ 105 } 106 107 #define IEEE80211_IF_FMT_MAC(name, field) \ 108 static ssize_t ieee80211_if_fmt_##name( \ 109 const struct ieee80211_sub_if_data *sdata, char *buf, \ 110 int buflen) \ 111 { \ 112 return scnprintf(buf, buflen, "%pM\n", sdata->field); \ 113 } 114 115 #define IEEE80211_IF_FMT_JIFFIES_TO_MS(name, field) \ 116 static ssize_t ieee80211_if_fmt_##name( \ 117 const struct ieee80211_sub_if_data *sdata, \ 118 char *buf, int buflen) \ 119 { \ 120 return scnprintf(buf, buflen, "%d\n", \ 121 jiffies_to_msecs(sdata->field)); \ 122 } 123 124 #define _IEEE80211_IF_FILE_OPS(name, _read, _write) \ 125 static const struct file_operations name##_ops = { \ 126 .read = (_read), \ 127 .write = (_write), \ 128 .open = simple_open, \ 129 .llseek = generic_file_llseek, \ 130 } 131 132 #define _IEEE80211_IF_FILE_R_FN(name) \ 133 static ssize_t ieee80211_if_read_##name(struct file *file, \ 134 char __user *userbuf, \ 135 size_t count, loff_t *ppos) \ 136 { \ 137 return ieee80211_if_read(file->private_data, \ 138 userbuf, count, ppos, \ 139 ieee80211_if_fmt_##name); \ 140 } 141 142 #define _IEEE80211_IF_FILE_W_FN(name) \ 143 static ssize_t ieee80211_if_write_##name(struct file *file, \ 144 const char __user *userbuf, \ 145 size_t count, loff_t *ppos) \ 146 { \ 147 return ieee80211_if_write(file->private_data, userbuf, count, \ 148 ppos, ieee80211_if_parse_##name); \ 149 } 150 151 #define IEEE80211_IF_FILE_R(name) \ 152 _IEEE80211_IF_FILE_R_FN(name) \ 153 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, NULL) 154 155 #define IEEE80211_IF_FILE_W(name) \ 156 _IEEE80211_IF_FILE_W_FN(name) \ 157 _IEEE80211_IF_FILE_OPS(name, NULL, ieee80211_if_write_##name) 158 159 #define IEEE80211_IF_FILE_RW(name) \ 160 _IEEE80211_IF_FILE_R_FN(name) \ 161 _IEEE80211_IF_FILE_W_FN(name) \ 162 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, \ 163 ieee80211_if_write_##name) 164 165 #define IEEE80211_IF_FILE(name, field, format) \ 166 IEEE80211_IF_FMT_##format(name, field) \ 167 IEEE80211_IF_FILE_R(name) 168 169 /* common attributes */ 170 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[NL80211_BAND_2GHZ], 171 HEX); 172 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[NL80211_BAND_5GHZ], 173 HEX); 174 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz, 175 rc_rateidx_mcs_mask[NL80211_BAND_2GHZ], HEXARRAY); 176 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz, 177 rc_rateidx_mcs_mask[NL80211_BAND_5GHZ], HEXARRAY); 178 179 static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_2ghz( 180 const struct ieee80211_sub_if_data *sdata, 181 char *buf, int buflen) 182 { 183 int i, len = 0; 184 const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_2GHZ]; 185 186 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) 187 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]); 188 len += scnprintf(buf + len, buflen - len, "\n"); 189 190 return len; 191 } 192 193 IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_2ghz); 194 195 static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_5ghz( 196 const struct ieee80211_sub_if_data *sdata, 197 char *buf, int buflen) 198 { 199 int i, len = 0; 200 const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_5GHZ]; 201 202 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) 203 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]); 204 len += scnprintf(buf + len, buflen - len, "\n"); 205 206 return len; 207 } 208 209 IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_5ghz); 210 211 IEEE80211_IF_FILE(flags, flags, HEX); 212 IEEE80211_IF_FILE(state, state, LHEX); 213 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC); 214 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC); 215 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC); 216 217 static ssize_t 218 ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata, 219 char *buf, int buflen) 220 { 221 int len; 222 223 len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n", 224 sdata->vif.hw_queue[IEEE80211_AC_VO], 225 sdata->vif.hw_queue[IEEE80211_AC_VI], 226 sdata->vif.hw_queue[IEEE80211_AC_BE], 227 sdata->vif.hw_queue[IEEE80211_AC_BK]); 228 229 if (sdata->vif.type == NL80211_IFTYPE_AP) 230 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n", 231 sdata->vif.cab_queue); 232 233 return len; 234 } 235 IEEE80211_IF_FILE_R(hw_queues); 236 237 /* STA attributes */ 238 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC); 239 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC); 240 IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS); 241 242 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata, 243 enum ieee80211_smps_mode smps_mode) 244 { 245 struct ieee80211_local *local = sdata->local; 246 int err; 247 248 if (!(local->hw.wiphy->features & NL80211_FEATURE_STATIC_SMPS) && 249 smps_mode == IEEE80211_SMPS_STATIC) 250 return -EINVAL; 251 252 /* auto should be dynamic if in PS mode */ 253 if (!(local->hw.wiphy->features & NL80211_FEATURE_DYNAMIC_SMPS) && 254 (smps_mode == IEEE80211_SMPS_DYNAMIC || 255 smps_mode == IEEE80211_SMPS_AUTOMATIC)) 256 return -EINVAL; 257 258 if (sdata->vif.type != NL80211_IFTYPE_STATION) 259 return -EOPNOTSUPP; 260 261 sdata_lock(sdata); 262 err = __ieee80211_request_smps_mgd(sdata, smps_mode); 263 sdata_unlock(sdata); 264 265 return err; 266 } 267 268 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = { 269 [IEEE80211_SMPS_AUTOMATIC] = "auto", 270 [IEEE80211_SMPS_OFF] = "off", 271 [IEEE80211_SMPS_STATIC] = "static", 272 [IEEE80211_SMPS_DYNAMIC] = "dynamic", 273 }; 274 275 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata, 276 char *buf, int buflen) 277 { 278 if (sdata->vif.type == NL80211_IFTYPE_STATION) 279 return snprintf(buf, buflen, "request: %s\nused: %s\n", 280 smps_modes[sdata->u.mgd.req_smps], 281 smps_modes[sdata->smps_mode]); 282 return -EINVAL; 283 } 284 285 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata, 286 const char *buf, int buflen) 287 { 288 enum ieee80211_smps_mode mode; 289 290 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) { 291 if (strncmp(buf, smps_modes[mode], buflen) == 0) { 292 int err = ieee80211_set_smps(sdata, mode); 293 if (!err) 294 return buflen; 295 return err; 296 } 297 } 298 299 return -EINVAL; 300 } 301 IEEE80211_IF_FILE_RW(smps); 302 303 static ssize_t ieee80211_if_parse_tkip_mic_test( 304 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 305 { 306 struct ieee80211_local *local = sdata->local; 307 u8 addr[ETH_ALEN]; 308 struct sk_buff *skb; 309 struct ieee80211_hdr *hdr; 310 __le16 fc; 311 312 if (!mac_pton(buf, addr)) 313 return -EINVAL; 314 315 if (!ieee80211_sdata_running(sdata)) 316 return -ENOTCONN; 317 318 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100); 319 if (!skb) 320 return -ENOMEM; 321 skb_reserve(skb, local->hw.extra_tx_headroom); 322 323 hdr = skb_put_zero(skb, 24); 324 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA); 325 326 switch (sdata->vif.type) { 327 case NL80211_IFTYPE_AP: 328 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); 329 /* DA BSSID SA */ 330 memcpy(hdr->addr1, addr, ETH_ALEN); 331 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 332 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN); 333 break; 334 case NL80211_IFTYPE_STATION: 335 fc |= cpu_to_le16(IEEE80211_FCTL_TODS); 336 /* BSSID SA DA */ 337 sdata_lock(sdata); 338 if (!sdata->u.mgd.associated) { 339 sdata_unlock(sdata); 340 dev_kfree_skb(skb); 341 return -ENOTCONN; 342 } 343 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN); 344 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 345 memcpy(hdr->addr3, addr, ETH_ALEN); 346 sdata_unlock(sdata); 347 break; 348 default: 349 dev_kfree_skb(skb); 350 return -EOPNOTSUPP; 351 } 352 hdr->frame_control = fc; 353 354 /* 355 * Add some length to the test frame to make it look bit more valid. 356 * The exact contents does not matter since the recipient is required 357 * to drop this because of the Michael MIC failure. 358 */ 359 skb_put_zero(skb, 50); 360 361 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE; 362 363 ieee80211_tx_skb(sdata, skb); 364 365 return buflen; 366 } 367 IEEE80211_IF_FILE_W(tkip_mic_test); 368 369 static ssize_t ieee80211_if_parse_beacon_loss( 370 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 371 { 372 if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc) 373 return -ENOTCONN; 374 375 ieee80211_beacon_loss(&sdata->vif); 376 377 return buflen; 378 } 379 IEEE80211_IF_FILE_W(beacon_loss); 380 381 static ssize_t ieee80211_if_fmt_uapsd_queues( 382 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 383 { 384 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 385 386 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues); 387 } 388 389 static ssize_t ieee80211_if_parse_uapsd_queues( 390 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 391 { 392 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 393 u8 val; 394 int ret; 395 396 ret = kstrtou8(buf, 0, &val); 397 if (ret) 398 return ret; 399 400 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) 401 return -ERANGE; 402 403 ifmgd->uapsd_queues = val; 404 405 return buflen; 406 } 407 IEEE80211_IF_FILE_RW(uapsd_queues); 408 409 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len( 410 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 411 { 412 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 413 414 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len); 415 } 416 417 static ssize_t ieee80211_if_parse_uapsd_max_sp_len( 418 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 419 { 420 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 421 unsigned long val; 422 int ret; 423 424 ret = kstrtoul(buf, 0, &val); 425 if (ret) 426 return -EINVAL; 427 428 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) 429 return -ERANGE; 430 431 ifmgd->uapsd_max_sp_len = val; 432 433 return buflen; 434 } 435 IEEE80211_IF_FILE_RW(uapsd_max_sp_len); 436 437 static ssize_t ieee80211_if_fmt_tdls_wider_bw( 438 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 439 { 440 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 441 bool tdls_wider_bw; 442 443 tdls_wider_bw = ieee80211_hw_check(&sdata->local->hw, TDLS_WIDER_BW) && 444 !ifmgd->tdls_wider_bw_prohibited; 445 446 return snprintf(buf, buflen, "%d\n", tdls_wider_bw); 447 } 448 449 static ssize_t ieee80211_if_parse_tdls_wider_bw( 450 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 451 { 452 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 453 u8 val; 454 int ret; 455 456 ret = kstrtou8(buf, 0, &val); 457 if (ret) 458 return ret; 459 460 ifmgd->tdls_wider_bw_prohibited = !val; 461 return buflen; 462 } 463 IEEE80211_IF_FILE_RW(tdls_wider_bw); 464 465 /* AP attributes */ 466 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC); 467 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC); 468 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC); 469 IEEE80211_IF_FILE(num_mcast_sta_vlan, u.vlan.num_mcast_sta, ATOMIC); 470 471 static ssize_t ieee80211_if_fmt_num_buffered_multicast( 472 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 473 { 474 return scnprintf(buf, buflen, "%u\n", 475 skb_queue_len(&sdata->u.ap.ps.bc_buf)); 476 } 477 IEEE80211_IF_FILE_R(num_buffered_multicast); 478 479 static ssize_t ieee80211_if_fmt_aqm( 480 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 481 { 482 struct ieee80211_local *local = sdata->local; 483 struct txq_info *txqi; 484 int len; 485 486 if (!sdata->vif.txq) 487 return 0; 488 489 txqi = to_txq_info(sdata->vif.txq); 490 491 spin_lock_bh(&local->fq.lock); 492 rcu_read_lock(); 493 494 len = scnprintf(buf, 495 buflen, 496 "ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets\n" 497 "%u %u %u %u %u %u %u %u %u %u\n", 498 txqi->txq.ac, 499 txqi->tin.backlog_bytes, 500 txqi->tin.backlog_packets, 501 txqi->tin.flows, 502 txqi->cstats.drop_count, 503 txqi->cstats.ecn_mark, 504 txqi->tin.overlimit, 505 txqi->tin.collisions, 506 txqi->tin.tx_bytes, 507 txqi->tin.tx_packets); 508 509 rcu_read_unlock(); 510 spin_unlock_bh(&local->fq.lock); 511 512 return len; 513 } 514 IEEE80211_IF_FILE_R(aqm); 515 516 IEEE80211_IF_FILE(multicast_to_unicast, u.ap.multicast_to_unicast, HEX); 517 518 /* IBSS attributes */ 519 static ssize_t ieee80211_if_fmt_tsf( 520 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 521 { 522 struct ieee80211_local *local = sdata->local; 523 u64 tsf; 524 525 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata); 526 527 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf); 528 } 529 530 static ssize_t ieee80211_if_parse_tsf( 531 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 532 { 533 struct ieee80211_local *local = sdata->local; 534 unsigned long long tsf; 535 int ret; 536 int tsf_is_delta = 0; 537 538 if (strncmp(buf, "reset", 5) == 0) { 539 if (local->ops->reset_tsf) { 540 drv_reset_tsf(local, sdata); 541 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n"); 542 } 543 } else { 544 if (buflen > 10 && buf[1] == '=') { 545 if (buf[0] == '+') 546 tsf_is_delta = 1; 547 else if (buf[0] == '-') 548 tsf_is_delta = -1; 549 else 550 return -EINVAL; 551 buf += 2; 552 } 553 ret = kstrtoull(buf, 10, &tsf); 554 if (ret < 0) 555 return ret; 556 if (tsf_is_delta && local->ops->offset_tsf) { 557 drv_offset_tsf(local, sdata, tsf_is_delta * tsf); 558 wiphy_info(local->hw.wiphy, 559 "debugfs offset TSF by %018lld\n", 560 tsf_is_delta * tsf); 561 } else if (local->ops->set_tsf) { 562 if (tsf_is_delta) 563 tsf = drv_get_tsf(local, sdata) + 564 tsf_is_delta * tsf; 565 drv_set_tsf(local, sdata, tsf); 566 wiphy_info(local->hw.wiphy, 567 "debugfs set TSF to %#018llx\n", tsf); 568 } 569 } 570 571 ieee80211_recalc_dtim(local, sdata); 572 return buflen; 573 } 574 IEEE80211_IF_FILE_RW(tsf); 575 576 577 /* WDS attributes */ 578 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC); 579 580 #ifdef CONFIG_MAC80211_MESH 581 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC); 582 583 /* Mesh stats attributes */ 584 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC); 585 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC); 586 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC); 587 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC); 588 IEEE80211_IF_FILE(dropped_frames_congestion, 589 u.mesh.mshstats.dropped_frames_congestion, DEC); 590 IEEE80211_IF_FILE(dropped_frames_no_route, 591 u.mesh.mshstats.dropped_frames_no_route, DEC); 592 593 /* Mesh parameters */ 594 IEEE80211_IF_FILE(dot11MeshMaxRetries, 595 u.mesh.mshcfg.dot11MeshMaxRetries, DEC); 596 IEEE80211_IF_FILE(dot11MeshRetryTimeout, 597 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC); 598 IEEE80211_IF_FILE(dot11MeshConfirmTimeout, 599 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC); 600 IEEE80211_IF_FILE(dot11MeshHoldingTimeout, 601 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC); 602 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC); 603 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC); 604 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC); 605 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks, 606 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC); 607 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout, 608 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC); 609 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval, 610 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC); 611 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval, 612 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC); 613 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime, 614 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC); 615 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries, 616 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC); 617 IEEE80211_IF_FILE(path_refresh_time, 618 u.mesh.mshcfg.path_refresh_time, DEC); 619 IEEE80211_IF_FILE(min_discovery_timeout, 620 u.mesh.mshcfg.min_discovery_timeout, DEC); 621 IEEE80211_IF_FILE(dot11MeshHWMPRootMode, 622 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC); 623 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol, 624 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC); 625 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval, 626 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC); 627 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC); 628 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC); 629 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC); 630 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout, 631 u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC); 632 IEEE80211_IF_FILE(dot11MeshHWMProotInterval, 633 u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC); 634 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval, 635 u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC); 636 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC); 637 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration, 638 u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC); 639 IEEE80211_IF_FILE(dot11MeshConnectedToMeshGate, 640 u.mesh.mshcfg.dot11MeshConnectedToMeshGate, DEC); 641 #endif 642 643 #define DEBUGFS_ADD_MODE(name, mode) \ 644 debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \ 645 sdata, &name##_ops); 646 647 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400) 648 649 static void add_common_files(struct ieee80211_sub_if_data *sdata) 650 { 651 DEBUGFS_ADD(rc_rateidx_mask_2ghz); 652 DEBUGFS_ADD(rc_rateidx_mask_5ghz); 653 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); 654 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); 655 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_2ghz); 656 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_5ghz); 657 DEBUGFS_ADD(hw_queues); 658 659 if (sdata->local->ops->wake_tx_queue && 660 sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE && 661 sdata->vif.type != NL80211_IFTYPE_NAN) 662 DEBUGFS_ADD(aqm); 663 } 664 665 static void add_sta_files(struct ieee80211_sub_if_data *sdata) 666 { 667 DEBUGFS_ADD(bssid); 668 DEBUGFS_ADD(aid); 669 DEBUGFS_ADD(beacon_timeout); 670 DEBUGFS_ADD_MODE(smps, 0600); 671 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 672 DEBUGFS_ADD_MODE(beacon_loss, 0200); 673 DEBUGFS_ADD_MODE(uapsd_queues, 0600); 674 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600); 675 DEBUGFS_ADD_MODE(tdls_wider_bw, 0600); 676 } 677 678 static void add_ap_files(struct ieee80211_sub_if_data *sdata) 679 { 680 DEBUGFS_ADD(num_mcast_sta); 681 DEBUGFS_ADD_MODE(smps, 0600); 682 DEBUGFS_ADD(num_sta_ps); 683 DEBUGFS_ADD(dtim_count); 684 DEBUGFS_ADD(num_buffered_multicast); 685 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 686 DEBUGFS_ADD_MODE(multicast_to_unicast, 0600); 687 } 688 689 static void add_vlan_files(struct ieee80211_sub_if_data *sdata) 690 { 691 /* add num_mcast_sta_vlan using name num_mcast_sta */ 692 debugfs_create_file("num_mcast_sta", 0400, sdata->vif.debugfs_dir, 693 sdata, &num_mcast_sta_vlan_ops); 694 } 695 696 static void add_ibss_files(struct ieee80211_sub_if_data *sdata) 697 { 698 DEBUGFS_ADD_MODE(tsf, 0600); 699 } 700 701 static void add_wds_files(struct ieee80211_sub_if_data *sdata) 702 { 703 DEBUGFS_ADD(peer); 704 } 705 706 #ifdef CONFIG_MAC80211_MESH 707 708 static void add_mesh_files(struct ieee80211_sub_if_data *sdata) 709 { 710 DEBUGFS_ADD_MODE(tsf, 0600); 711 DEBUGFS_ADD_MODE(estab_plinks, 0400); 712 } 713 714 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata) 715 { 716 struct dentry *dir = debugfs_create_dir("mesh_stats", 717 sdata->vif.debugfs_dir); 718 #define MESHSTATS_ADD(name)\ 719 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops); 720 721 MESHSTATS_ADD(fwded_mcast); 722 MESHSTATS_ADD(fwded_unicast); 723 MESHSTATS_ADD(fwded_frames); 724 MESHSTATS_ADD(dropped_frames_ttl); 725 MESHSTATS_ADD(dropped_frames_no_route); 726 MESHSTATS_ADD(dropped_frames_congestion); 727 #undef MESHSTATS_ADD 728 } 729 730 static void add_mesh_config(struct ieee80211_sub_if_data *sdata) 731 { 732 struct dentry *dir = debugfs_create_dir("mesh_config", 733 sdata->vif.debugfs_dir); 734 735 #define MESHPARAMS_ADD(name) \ 736 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops); 737 738 MESHPARAMS_ADD(dot11MeshMaxRetries); 739 MESHPARAMS_ADD(dot11MeshRetryTimeout); 740 MESHPARAMS_ADD(dot11MeshConfirmTimeout); 741 MESHPARAMS_ADD(dot11MeshHoldingTimeout); 742 MESHPARAMS_ADD(dot11MeshTTL); 743 MESHPARAMS_ADD(element_ttl); 744 MESHPARAMS_ADD(auto_open_plinks); 745 MESHPARAMS_ADD(dot11MeshMaxPeerLinks); 746 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout); 747 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval); 748 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval); 749 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime); 750 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries); 751 MESHPARAMS_ADD(path_refresh_time); 752 MESHPARAMS_ADD(min_discovery_timeout); 753 MESHPARAMS_ADD(dot11MeshHWMPRootMode); 754 MESHPARAMS_ADD(dot11MeshHWMPRannInterval); 755 MESHPARAMS_ADD(dot11MeshForwarding); 756 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol); 757 MESHPARAMS_ADD(rssi_threshold); 758 MESHPARAMS_ADD(ht_opmode); 759 MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout); 760 MESHPARAMS_ADD(dot11MeshHWMProotInterval); 761 MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval); 762 MESHPARAMS_ADD(power_mode); 763 MESHPARAMS_ADD(dot11MeshAwakeWindowDuration); 764 MESHPARAMS_ADD(dot11MeshConnectedToMeshGate); 765 #undef MESHPARAMS_ADD 766 } 767 #endif 768 769 static void add_files(struct ieee80211_sub_if_data *sdata) 770 { 771 if (!sdata->vif.debugfs_dir) 772 return; 773 774 DEBUGFS_ADD(flags); 775 DEBUGFS_ADD(state); 776 DEBUGFS_ADD(txpower); 777 DEBUGFS_ADD(user_power_level); 778 DEBUGFS_ADD(ap_power_level); 779 780 if (sdata->vif.type != NL80211_IFTYPE_MONITOR) 781 add_common_files(sdata); 782 783 switch (sdata->vif.type) { 784 case NL80211_IFTYPE_MESH_POINT: 785 #ifdef CONFIG_MAC80211_MESH 786 add_mesh_files(sdata); 787 add_mesh_stats(sdata); 788 add_mesh_config(sdata); 789 #endif 790 break; 791 case NL80211_IFTYPE_STATION: 792 add_sta_files(sdata); 793 break; 794 case NL80211_IFTYPE_ADHOC: 795 add_ibss_files(sdata); 796 break; 797 case NL80211_IFTYPE_AP: 798 add_ap_files(sdata); 799 break; 800 case NL80211_IFTYPE_AP_VLAN: 801 add_vlan_files(sdata); 802 break; 803 case NL80211_IFTYPE_WDS: 804 add_wds_files(sdata); 805 break; 806 default: 807 break; 808 } 809 } 810 811 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata) 812 { 813 char buf[10+IFNAMSIZ]; 814 815 sprintf(buf, "netdev:%s", sdata->name); 816 sdata->vif.debugfs_dir = debugfs_create_dir(buf, 817 sdata->local->hw.wiphy->debugfsdir); 818 sdata->debugfs.subdir_stations = debugfs_create_dir("stations", 819 sdata->vif.debugfs_dir); 820 add_files(sdata); 821 } 822 823 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) 824 { 825 if (!sdata->vif.debugfs_dir) 826 return; 827 828 debugfs_remove_recursive(sdata->vif.debugfs_dir); 829 sdata->vif.debugfs_dir = NULL; 830 sdata->debugfs.subdir_stations = NULL; 831 } 832 833 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata) 834 { 835 struct dentry *dir; 836 char buf[10 + IFNAMSIZ]; 837 838 dir = sdata->vif.debugfs_dir; 839 840 if (IS_ERR_OR_NULL(dir)) 841 return; 842 843 sprintf(buf, "netdev:%s", sdata->name); 844 debugfs_rename(dir->d_parent, dir, dir->d_parent, buf); 845 } 846