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 = to_txq_info(sdata->vif.txq); 491 int len; 492 493 spin_lock_bh(&local->fq.lock); 494 rcu_read_lock(); 495 496 len = scnprintf(buf, 497 buflen, 498 "ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets\n" 499 "%u %u %u %u %u %u %u %u %u %u\n", 500 txqi->txq.ac, 501 txqi->tin.backlog_bytes, 502 txqi->tin.backlog_packets, 503 txqi->tin.flows, 504 txqi->cstats.drop_count, 505 txqi->cstats.ecn_mark, 506 txqi->tin.overlimit, 507 txqi->tin.collisions, 508 txqi->tin.tx_bytes, 509 txqi->tin.tx_packets); 510 511 rcu_read_unlock(); 512 spin_unlock_bh(&local->fq.lock); 513 514 return len; 515 } 516 IEEE80211_IF_FILE_R(aqm); 517 518 IEEE80211_IF_FILE(multicast_to_unicast, u.ap.multicast_to_unicast, HEX); 519 520 /* IBSS attributes */ 521 static ssize_t ieee80211_if_fmt_tsf( 522 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 523 { 524 struct ieee80211_local *local = sdata->local; 525 u64 tsf; 526 527 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata); 528 529 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf); 530 } 531 532 static ssize_t ieee80211_if_parse_tsf( 533 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 534 { 535 struct ieee80211_local *local = sdata->local; 536 unsigned long long tsf; 537 int ret; 538 int tsf_is_delta = 0; 539 540 if (strncmp(buf, "reset", 5) == 0) { 541 if (local->ops->reset_tsf) { 542 drv_reset_tsf(local, sdata); 543 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n"); 544 } 545 } else { 546 if (buflen > 10 && buf[1] == '=') { 547 if (buf[0] == '+') 548 tsf_is_delta = 1; 549 else if (buf[0] == '-') 550 tsf_is_delta = -1; 551 else 552 return -EINVAL; 553 buf += 2; 554 } 555 ret = kstrtoull(buf, 10, &tsf); 556 if (ret < 0) 557 return ret; 558 if (tsf_is_delta && local->ops->offset_tsf) { 559 drv_offset_tsf(local, sdata, tsf_is_delta * tsf); 560 wiphy_info(local->hw.wiphy, 561 "debugfs offset TSF by %018lld\n", 562 tsf_is_delta * tsf); 563 } else if (local->ops->set_tsf) { 564 if (tsf_is_delta) 565 tsf = drv_get_tsf(local, sdata) + 566 tsf_is_delta * tsf; 567 drv_set_tsf(local, sdata, tsf); 568 wiphy_info(local->hw.wiphy, 569 "debugfs set TSF to %#018llx\n", tsf); 570 } 571 } 572 573 ieee80211_recalc_dtim(local, sdata); 574 return buflen; 575 } 576 IEEE80211_IF_FILE_RW(tsf); 577 578 579 /* WDS attributes */ 580 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC); 581 582 #ifdef CONFIG_MAC80211_MESH 583 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC); 584 585 /* Mesh stats attributes */ 586 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC); 587 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC); 588 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC); 589 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC); 590 IEEE80211_IF_FILE(dropped_frames_congestion, 591 u.mesh.mshstats.dropped_frames_congestion, DEC); 592 IEEE80211_IF_FILE(dropped_frames_no_route, 593 u.mesh.mshstats.dropped_frames_no_route, DEC); 594 595 /* Mesh parameters */ 596 IEEE80211_IF_FILE(dot11MeshMaxRetries, 597 u.mesh.mshcfg.dot11MeshMaxRetries, DEC); 598 IEEE80211_IF_FILE(dot11MeshRetryTimeout, 599 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC); 600 IEEE80211_IF_FILE(dot11MeshConfirmTimeout, 601 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC); 602 IEEE80211_IF_FILE(dot11MeshHoldingTimeout, 603 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC); 604 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC); 605 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC); 606 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC); 607 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks, 608 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC); 609 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout, 610 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC); 611 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval, 612 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC); 613 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval, 614 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC); 615 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime, 616 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC); 617 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries, 618 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC); 619 IEEE80211_IF_FILE(path_refresh_time, 620 u.mesh.mshcfg.path_refresh_time, DEC); 621 IEEE80211_IF_FILE(min_discovery_timeout, 622 u.mesh.mshcfg.min_discovery_timeout, DEC); 623 IEEE80211_IF_FILE(dot11MeshHWMPRootMode, 624 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC); 625 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol, 626 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC); 627 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval, 628 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC); 629 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC); 630 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC); 631 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC); 632 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout, 633 u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC); 634 IEEE80211_IF_FILE(dot11MeshHWMProotInterval, 635 u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC); 636 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval, 637 u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC); 638 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC); 639 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration, 640 u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC); 641 IEEE80211_IF_FILE(dot11MeshConnectedToMeshGate, 642 u.mesh.mshcfg.dot11MeshConnectedToMeshGate, DEC); 643 #endif 644 645 #define DEBUGFS_ADD_MODE(name, mode) \ 646 debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \ 647 sdata, &name##_ops); 648 649 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400) 650 651 static void add_common_files(struct ieee80211_sub_if_data *sdata) 652 { 653 DEBUGFS_ADD(rc_rateidx_mask_2ghz); 654 DEBUGFS_ADD(rc_rateidx_mask_5ghz); 655 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); 656 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); 657 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_2ghz); 658 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_5ghz); 659 DEBUGFS_ADD(hw_queues); 660 661 if (sdata->local->ops->wake_tx_queue) 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