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 */ 6 7 #include <linux/kernel.h> 8 #include <linux/device.h> 9 #include <linux/if.h> 10 #include <linux/if_ether.h> 11 #include <linux/interrupt.h> 12 #include <linux/netdevice.h> 13 #include <linux/rtnetlink.h> 14 #include <linux/slab.h> 15 #include <linux/notifier.h> 16 #include <net/mac80211.h> 17 #include <net/cfg80211.h> 18 #include "ieee80211_i.h" 19 #include "rate.h" 20 #include "debugfs.h" 21 #include "debugfs_netdev.h" 22 #include "driver-ops.h" 23 24 static ssize_t ieee80211_if_read( 25 struct ieee80211_sub_if_data *sdata, 26 char __user *userbuf, 27 size_t count, loff_t *ppos, 28 ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int)) 29 { 30 char buf[200]; 31 ssize_t ret = -EINVAL; 32 33 read_lock(&dev_base_lock); 34 ret = (*format)(sdata, buf, sizeof(buf)); 35 read_unlock(&dev_base_lock); 36 37 if (ret >= 0) 38 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret); 39 40 return ret; 41 } 42 43 static ssize_t ieee80211_if_write( 44 struct ieee80211_sub_if_data *sdata, 45 const char __user *userbuf, 46 size_t count, loff_t *ppos, 47 ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int)) 48 { 49 char buf[64]; 50 ssize_t ret; 51 52 if (count >= sizeof(buf)) 53 return -E2BIG; 54 55 if (copy_from_user(buf, userbuf, count)) 56 return -EFAULT; 57 buf[count] = '\0'; 58 59 ret = -ENODEV; 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, u.mgd.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 sdata->vif.type != NL80211_IFTYPE_AP) 259 return -EOPNOTSUPP; 260 261 sdata_lock(sdata); 262 if (sdata->vif.type == NL80211_IFTYPE_STATION) 263 err = __ieee80211_request_smps_mgd(sdata, smps_mode); 264 else 265 err = __ieee80211_request_smps_ap(sdata, smps_mode); 266 sdata_unlock(sdata); 267 268 return err; 269 } 270 271 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = { 272 [IEEE80211_SMPS_AUTOMATIC] = "auto", 273 [IEEE80211_SMPS_OFF] = "off", 274 [IEEE80211_SMPS_STATIC] = "static", 275 [IEEE80211_SMPS_DYNAMIC] = "dynamic", 276 }; 277 278 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata, 279 char *buf, int buflen) 280 { 281 if (sdata->vif.type == NL80211_IFTYPE_STATION) 282 return snprintf(buf, buflen, "request: %s\nused: %s\n", 283 smps_modes[sdata->u.mgd.req_smps], 284 smps_modes[sdata->smps_mode]); 285 if (sdata->vif.type == NL80211_IFTYPE_AP) 286 return snprintf(buf, buflen, "request: %s\nused: %s\n", 287 smps_modes[sdata->u.ap.req_smps], 288 smps_modes[sdata->smps_mode]); 289 return -EINVAL; 290 } 291 292 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata, 293 const char *buf, int buflen) 294 { 295 enum ieee80211_smps_mode mode; 296 297 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) { 298 if (strncmp(buf, smps_modes[mode], buflen) == 0) { 299 int err = ieee80211_set_smps(sdata, mode); 300 if (!err) 301 return buflen; 302 return err; 303 } 304 } 305 306 return -EINVAL; 307 } 308 IEEE80211_IF_FILE_RW(smps); 309 310 static ssize_t ieee80211_if_parse_tkip_mic_test( 311 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 312 { 313 struct ieee80211_local *local = sdata->local; 314 u8 addr[ETH_ALEN]; 315 struct sk_buff *skb; 316 struct ieee80211_hdr *hdr; 317 __le16 fc; 318 319 if (!mac_pton(buf, addr)) 320 return -EINVAL; 321 322 if (!ieee80211_sdata_running(sdata)) 323 return -ENOTCONN; 324 325 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100); 326 if (!skb) 327 return -ENOMEM; 328 skb_reserve(skb, local->hw.extra_tx_headroom); 329 330 hdr = skb_put_zero(skb, 24); 331 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA); 332 333 switch (sdata->vif.type) { 334 case NL80211_IFTYPE_AP: 335 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); 336 /* DA BSSID SA */ 337 memcpy(hdr->addr1, addr, ETH_ALEN); 338 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 339 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN); 340 break; 341 case NL80211_IFTYPE_STATION: 342 fc |= cpu_to_le16(IEEE80211_FCTL_TODS); 343 /* BSSID SA DA */ 344 sdata_lock(sdata); 345 if (!sdata->u.mgd.associated) { 346 sdata_unlock(sdata); 347 dev_kfree_skb(skb); 348 return -ENOTCONN; 349 } 350 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN); 351 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 352 memcpy(hdr->addr3, addr, ETH_ALEN); 353 sdata_unlock(sdata); 354 break; 355 default: 356 dev_kfree_skb(skb); 357 return -EOPNOTSUPP; 358 } 359 hdr->frame_control = fc; 360 361 /* 362 * Add some length to the test frame to make it look bit more valid. 363 * The exact contents does not matter since the recipient is required 364 * to drop this because of the Michael MIC failure. 365 */ 366 skb_put_zero(skb, 50); 367 368 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE; 369 370 ieee80211_tx_skb(sdata, skb); 371 372 return buflen; 373 } 374 IEEE80211_IF_FILE_W(tkip_mic_test); 375 376 static ssize_t ieee80211_if_parse_beacon_loss( 377 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 378 { 379 if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc) 380 return -ENOTCONN; 381 382 ieee80211_beacon_loss(&sdata->vif); 383 384 return buflen; 385 } 386 IEEE80211_IF_FILE_W(beacon_loss); 387 388 static ssize_t ieee80211_if_fmt_uapsd_queues( 389 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 390 { 391 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 392 393 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues); 394 } 395 396 static ssize_t ieee80211_if_parse_uapsd_queues( 397 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 398 { 399 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 400 u8 val; 401 int ret; 402 403 ret = kstrtou8(buf, 0, &val); 404 if (ret) 405 return ret; 406 407 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) 408 return -ERANGE; 409 410 ifmgd->uapsd_queues = val; 411 412 return buflen; 413 } 414 IEEE80211_IF_FILE_RW(uapsd_queues); 415 416 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len( 417 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 418 { 419 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 420 421 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len); 422 } 423 424 static ssize_t ieee80211_if_parse_uapsd_max_sp_len( 425 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 426 { 427 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 428 unsigned long val; 429 int ret; 430 431 ret = kstrtoul(buf, 0, &val); 432 if (ret) 433 return -EINVAL; 434 435 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) 436 return -ERANGE; 437 438 ifmgd->uapsd_max_sp_len = val; 439 440 return buflen; 441 } 442 IEEE80211_IF_FILE_RW(uapsd_max_sp_len); 443 444 static ssize_t ieee80211_if_fmt_tdls_wider_bw( 445 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 446 { 447 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 448 bool tdls_wider_bw; 449 450 tdls_wider_bw = ieee80211_hw_check(&sdata->local->hw, TDLS_WIDER_BW) && 451 !ifmgd->tdls_wider_bw_prohibited; 452 453 return snprintf(buf, buflen, "%d\n", tdls_wider_bw); 454 } 455 456 static ssize_t ieee80211_if_parse_tdls_wider_bw( 457 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 458 { 459 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 460 u8 val; 461 int ret; 462 463 ret = kstrtou8(buf, 0, &val); 464 if (ret) 465 return ret; 466 467 ifmgd->tdls_wider_bw_prohibited = !val; 468 return buflen; 469 } 470 IEEE80211_IF_FILE_RW(tdls_wider_bw); 471 472 /* AP attributes */ 473 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC); 474 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC); 475 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC); 476 IEEE80211_IF_FILE(num_mcast_sta_vlan, u.vlan.num_mcast_sta, ATOMIC); 477 478 static ssize_t ieee80211_if_fmt_num_buffered_multicast( 479 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 480 { 481 return scnprintf(buf, buflen, "%u\n", 482 skb_queue_len(&sdata->u.ap.ps.bc_buf)); 483 } 484 IEEE80211_IF_FILE_R(num_buffered_multicast); 485 486 static ssize_t ieee80211_if_fmt_aqm( 487 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 488 { 489 struct ieee80211_local *local = sdata->local; 490 struct txq_info *txqi; 491 int len; 492 493 if (!sdata->vif.txq) 494 return 0; 495 496 txqi = to_txq_info(sdata->vif.txq); 497 498 spin_lock_bh(&local->fq.lock); 499 rcu_read_lock(); 500 501 len = scnprintf(buf, 502 buflen, 503 "ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets\n" 504 "%u %u %u %u %u %u %u %u %u %u\n", 505 txqi->txq.ac, 506 txqi->tin.backlog_bytes, 507 txqi->tin.backlog_packets, 508 txqi->tin.flows, 509 txqi->cstats.drop_count, 510 txqi->cstats.ecn_mark, 511 txqi->tin.overlimit, 512 txqi->tin.collisions, 513 txqi->tin.tx_bytes, 514 txqi->tin.tx_packets); 515 516 rcu_read_unlock(); 517 spin_unlock_bh(&local->fq.lock); 518 519 return len; 520 } 521 IEEE80211_IF_FILE_R(aqm); 522 523 IEEE80211_IF_FILE(multicast_to_unicast, u.ap.multicast_to_unicast, HEX); 524 525 /* IBSS attributes */ 526 static ssize_t ieee80211_if_fmt_tsf( 527 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 528 { 529 struct ieee80211_local *local = sdata->local; 530 u64 tsf; 531 532 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata); 533 534 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf); 535 } 536 537 static ssize_t ieee80211_if_parse_tsf( 538 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 539 { 540 struct ieee80211_local *local = sdata->local; 541 unsigned long long tsf; 542 int ret; 543 int tsf_is_delta = 0; 544 545 if (strncmp(buf, "reset", 5) == 0) { 546 if (local->ops->reset_tsf) { 547 drv_reset_tsf(local, sdata); 548 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n"); 549 } 550 } else { 551 if (buflen > 10 && buf[1] == '=') { 552 if (buf[0] == '+') 553 tsf_is_delta = 1; 554 else if (buf[0] == '-') 555 tsf_is_delta = -1; 556 else 557 return -EINVAL; 558 buf += 2; 559 } 560 ret = kstrtoull(buf, 10, &tsf); 561 if (ret < 0) 562 return ret; 563 if (tsf_is_delta && local->ops->offset_tsf) { 564 drv_offset_tsf(local, sdata, tsf_is_delta * tsf); 565 wiphy_info(local->hw.wiphy, 566 "debugfs offset TSF by %018lld\n", 567 tsf_is_delta * tsf); 568 } else if (local->ops->set_tsf) { 569 if (tsf_is_delta) 570 tsf = drv_get_tsf(local, sdata) + 571 tsf_is_delta * tsf; 572 drv_set_tsf(local, sdata, tsf); 573 wiphy_info(local->hw.wiphy, 574 "debugfs set TSF to %#018llx\n", tsf); 575 } 576 } 577 578 ieee80211_recalc_dtim(local, sdata); 579 return buflen; 580 } 581 IEEE80211_IF_FILE_RW(tsf); 582 583 584 /* WDS attributes */ 585 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC); 586 587 #ifdef CONFIG_MAC80211_MESH 588 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC); 589 590 /* Mesh stats attributes */ 591 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC); 592 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC); 593 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC); 594 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC); 595 IEEE80211_IF_FILE(dropped_frames_congestion, 596 u.mesh.mshstats.dropped_frames_congestion, DEC); 597 IEEE80211_IF_FILE(dropped_frames_no_route, 598 u.mesh.mshstats.dropped_frames_no_route, DEC); 599 600 /* Mesh parameters */ 601 IEEE80211_IF_FILE(dot11MeshMaxRetries, 602 u.mesh.mshcfg.dot11MeshMaxRetries, DEC); 603 IEEE80211_IF_FILE(dot11MeshRetryTimeout, 604 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC); 605 IEEE80211_IF_FILE(dot11MeshConfirmTimeout, 606 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC); 607 IEEE80211_IF_FILE(dot11MeshHoldingTimeout, 608 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC); 609 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC); 610 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC); 611 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC); 612 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks, 613 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC); 614 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout, 615 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC); 616 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval, 617 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC); 618 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval, 619 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC); 620 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime, 621 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC); 622 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries, 623 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC); 624 IEEE80211_IF_FILE(path_refresh_time, 625 u.mesh.mshcfg.path_refresh_time, DEC); 626 IEEE80211_IF_FILE(min_discovery_timeout, 627 u.mesh.mshcfg.min_discovery_timeout, DEC); 628 IEEE80211_IF_FILE(dot11MeshHWMPRootMode, 629 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC); 630 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol, 631 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC); 632 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval, 633 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC); 634 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC); 635 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC); 636 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC); 637 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout, 638 u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC); 639 IEEE80211_IF_FILE(dot11MeshHWMProotInterval, 640 u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC); 641 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval, 642 u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC); 643 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC); 644 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration, 645 u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC); 646 IEEE80211_IF_FILE(dot11MeshConnectedToMeshGate, 647 u.mesh.mshcfg.dot11MeshConnectedToMeshGate, DEC); 648 #endif 649 650 #define DEBUGFS_ADD_MODE(name, mode) \ 651 debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \ 652 sdata, &name##_ops); 653 654 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400) 655 656 static void add_common_files(struct ieee80211_sub_if_data *sdata) 657 { 658 DEBUGFS_ADD(rc_rateidx_mask_2ghz); 659 DEBUGFS_ADD(rc_rateidx_mask_5ghz); 660 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); 661 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); 662 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_2ghz); 663 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_5ghz); 664 DEBUGFS_ADD(hw_queues); 665 666 if (sdata->local->ops->wake_tx_queue && 667 sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE && 668 sdata->vif.type != NL80211_IFTYPE_NAN) 669 DEBUGFS_ADD(aqm); 670 } 671 672 static void add_sta_files(struct ieee80211_sub_if_data *sdata) 673 { 674 DEBUGFS_ADD(bssid); 675 DEBUGFS_ADD(aid); 676 DEBUGFS_ADD(beacon_timeout); 677 DEBUGFS_ADD_MODE(smps, 0600); 678 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 679 DEBUGFS_ADD_MODE(beacon_loss, 0200); 680 DEBUGFS_ADD_MODE(uapsd_queues, 0600); 681 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600); 682 DEBUGFS_ADD_MODE(tdls_wider_bw, 0600); 683 } 684 685 static void add_ap_files(struct ieee80211_sub_if_data *sdata) 686 { 687 DEBUGFS_ADD(num_mcast_sta); 688 DEBUGFS_ADD_MODE(smps, 0600); 689 DEBUGFS_ADD(num_sta_ps); 690 DEBUGFS_ADD(dtim_count); 691 DEBUGFS_ADD(num_buffered_multicast); 692 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 693 DEBUGFS_ADD_MODE(multicast_to_unicast, 0600); 694 } 695 696 static void add_vlan_files(struct ieee80211_sub_if_data *sdata) 697 { 698 /* add num_mcast_sta_vlan using name num_mcast_sta */ 699 debugfs_create_file("num_mcast_sta", 0400, sdata->vif.debugfs_dir, 700 sdata, &num_mcast_sta_vlan_ops); 701 } 702 703 static void add_ibss_files(struct ieee80211_sub_if_data *sdata) 704 { 705 DEBUGFS_ADD_MODE(tsf, 0600); 706 } 707 708 static void add_wds_files(struct ieee80211_sub_if_data *sdata) 709 { 710 DEBUGFS_ADD(peer); 711 } 712 713 #ifdef CONFIG_MAC80211_MESH 714 715 static void add_mesh_files(struct ieee80211_sub_if_data *sdata) 716 { 717 DEBUGFS_ADD_MODE(tsf, 0600); 718 DEBUGFS_ADD_MODE(estab_plinks, 0400); 719 } 720 721 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata) 722 { 723 struct dentry *dir = debugfs_create_dir("mesh_stats", 724 sdata->vif.debugfs_dir); 725 #define MESHSTATS_ADD(name)\ 726 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops); 727 728 MESHSTATS_ADD(fwded_mcast); 729 MESHSTATS_ADD(fwded_unicast); 730 MESHSTATS_ADD(fwded_frames); 731 MESHSTATS_ADD(dropped_frames_ttl); 732 MESHSTATS_ADD(dropped_frames_no_route); 733 MESHSTATS_ADD(dropped_frames_congestion); 734 #undef MESHSTATS_ADD 735 } 736 737 static void add_mesh_config(struct ieee80211_sub_if_data *sdata) 738 { 739 struct dentry *dir = debugfs_create_dir("mesh_config", 740 sdata->vif.debugfs_dir); 741 742 #define MESHPARAMS_ADD(name) \ 743 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops); 744 745 MESHPARAMS_ADD(dot11MeshMaxRetries); 746 MESHPARAMS_ADD(dot11MeshRetryTimeout); 747 MESHPARAMS_ADD(dot11MeshConfirmTimeout); 748 MESHPARAMS_ADD(dot11MeshHoldingTimeout); 749 MESHPARAMS_ADD(dot11MeshTTL); 750 MESHPARAMS_ADD(element_ttl); 751 MESHPARAMS_ADD(auto_open_plinks); 752 MESHPARAMS_ADD(dot11MeshMaxPeerLinks); 753 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout); 754 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval); 755 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval); 756 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime); 757 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries); 758 MESHPARAMS_ADD(path_refresh_time); 759 MESHPARAMS_ADD(min_discovery_timeout); 760 MESHPARAMS_ADD(dot11MeshHWMPRootMode); 761 MESHPARAMS_ADD(dot11MeshHWMPRannInterval); 762 MESHPARAMS_ADD(dot11MeshForwarding); 763 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol); 764 MESHPARAMS_ADD(rssi_threshold); 765 MESHPARAMS_ADD(ht_opmode); 766 MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout); 767 MESHPARAMS_ADD(dot11MeshHWMProotInterval); 768 MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval); 769 MESHPARAMS_ADD(power_mode); 770 MESHPARAMS_ADD(dot11MeshAwakeWindowDuration); 771 MESHPARAMS_ADD(dot11MeshConnectedToMeshGate); 772 #undef MESHPARAMS_ADD 773 } 774 #endif 775 776 static void add_files(struct ieee80211_sub_if_data *sdata) 777 { 778 if (!sdata->vif.debugfs_dir) 779 return; 780 781 DEBUGFS_ADD(flags); 782 DEBUGFS_ADD(state); 783 DEBUGFS_ADD(txpower); 784 DEBUGFS_ADD(user_power_level); 785 DEBUGFS_ADD(ap_power_level); 786 787 if (sdata->vif.type != NL80211_IFTYPE_MONITOR) 788 add_common_files(sdata); 789 790 switch (sdata->vif.type) { 791 case NL80211_IFTYPE_MESH_POINT: 792 #ifdef CONFIG_MAC80211_MESH 793 add_mesh_files(sdata); 794 add_mesh_stats(sdata); 795 add_mesh_config(sdata); 796 #endif 797 break; 798 case NL80211_IFTYPE_STATION: 799 add_sta_files(sdata); 800 break; 801 case NL80211_IFTYPE_ADHOC: 802 add_ibss_files(sdata); 803 break; 804 case NL80211_IFTYPE_AP: 805 add_ap_files(sdata); 806 break; 807 case NL80211_IFTYPE_AP_VLAN: 808 add_vlan_files(sdata); 809 break; 810 case NL80211_IFTYPE_WDS: 811 add_wds_files(sdata); 812 break; 813 default: 814 break; 815 } 816 } 817 818 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata) 819 { 820 char buf[10+IFNAMSIZ]; 821 822 sprintf(buf, "netdev:%s", sdata->name); 823 sdata->vif.debugfs_dir = debugfs_create_dir(buf, 824 sdata->local->hw.wiphy->debugfsdir); 825 sdata->debugfs.subdir_stations = debugfs_create_dir("stations", 826 sdata->vif.debugfs_dir); 827 add_files(sdata); 828 } 829 830 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) 831 { 832 if (!sdata->vif.debugfs_dir) 833 return; 834 835 debugfs_remove_recursive(sdata->vif.debugfs_dir); 836 sdata->vif.debugfs_dir = NULL; 837 sdata->debugfs.subdir_stations = NULL; 838 } 839 840 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata) 841 { 842 struct dentry *dir; 843 char buf[10 + IFNAMSIZ]; 844 845 dir = sdata->vif.debugfs_dir; 846 847 if (IS_ERR_OR_NULL(dir)) 848 return; 849 850 sprintf(buf, "netdev:%s", sdata->name); 851 debugfs_rename(dir->d_parent, dir, dir->d_parent, buf); 852 } 853