1 /* 2 * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz> 3 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 as 7 * published by the Free Software Foundation. 8 */ 9 10 #include <linux/kernel.h> 11 #include <linux/device.h> 12 #include <linux/if.h> 13 #include <linux/if_ether.h> 14 #include <linux/interrupt.h> 15 #include <linux/netdevice.h> 16 #include <linux/rtnetlink.h> 17 #include <linux/slab.h> 18 #include <linux/notifier.h> 19 #include <net/mac80211.h> 20 #include <net/cfg80211.h> 21 #include "ieee80211_i.h" 22 #include "rate.h" 23 #include "debugfs.h" 24 #include "debugfs_netdev.h" 25 #include "driver-ops.h" 26 27 static ssize_t ieee80211_if_read( 28 struct ieee80211_sub_if_data *sdata, 29 char __user *userbuf, 30 size_t count, loff_t *ppos, 31 ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int)) 32 { 33 char buf[200]; 34 ssize_t ret = -EINVAL; 35 36 read_lock(&dev_base_lock); 37 ret = (*format)(sdata, buf, sizeof(buf)); 38 read_unlock(&dev_base_lock); 39 40 if (ret >= 0) 41 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret); 42 43 return ret; 44 } 45 46 static ssize_t ieee80211_if_write( 47 struct ieee80211_sub_if_data *sdata, 48 const char __user *userbuf, 49 size_t count, loff_t *ppos, 50 ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int)) 51 { 52 char buf[64]; 53 ssize_t ret; 54 55 if (count >= sizeof(buf)) 56 return -E2BIG; 57 58 if (copy_from_user(buf, userbuf, count)) 59 return -EFAULT; 60 buf[count] = '\0'; 61 62 ret = -ENODEV; 63 rtnl_lock(); 64 ret = (*write)(sdata, buf, count); 65 rtnl_unlock(); 66 67 return ret; 68 } 69 70 #define IEEE80211_IF_FMT(name, field, format_string) \ 71 static ssize_t ieee80211_if_fmt_##name( \ 72 const struct ieee80211_sub_if_data *sdata, char *buf, \ 73 int buflen) \ 74 { \ 75 return scnprintf(buf, buflen, format_string, sdata->field); \ 76 } 77 #define IEEE80211_IF_FMT_DEC(name, field) \ 78 IEEE80211_IF_FMT(name, field, "%d\n") 79 #define IEEE80211_IF_FMT_HEX(name, field) \ 80 IEEE80211_IF_FMT(name, field, "%#x\n") 81 #define IEEE80211_IF_FMT_LHEX(name, field) \ 82 IEEE80211_IF_FMT(name, field, "%#lx\n") 83 #define IEEE80211_IF_FMT_SIZE(name, field) \ 84 IEEE80211_IF_FMT(name, field, "%zd\n") 85 86 #define IEEE80211_IF_FMT_HEXARRAY(name, field) \ 87 static ssize_t ieee80211_if_fmt_##name( \ 88 const struct ieee80211_sub_if_data *sdata, \ 89 char *buf, int buflen) \ 90 { \ 91 char *p = buf; \ 92 int i; \ 93 for (i = 0; i < sizeof(sdata->field); i++) { \ 94 p += scnprintf(p, buflen + buf - p, "%.2x ", \ 95 sdata->field[i]); \ 96 } \ 97 p += scnprintf(p, buflen + buf - p, "\n"); \ 98 return p - buf; \ 99 } 100 101 #define IEEE80211_IF_FMT_ATOMIC(name, field) \ 102 static ssize_t ieee80211_if_fmt_##name( \ 103 const struct ieee80211_sub_if_data *sdata, \ 104 char *buf, int buflen) \ 105 { \ 106 return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\ 107 } 108 109 #define IEEE80211_IF_FMT_MAC(name, field) \ 110 static ssize_t ieee80211_if_fmt_##name( \ 111 const struct ieee80211_sub_if_data *sdata, char *buf, \ 112 int buflen) \ 113 { \ 114 return scnprintf(buf, buflen, "%pM\n", sdata->field); \ 115 } 116 117 #define IEEE80211_IF_FMT_JIFFIES_TO_MS(name, field) \ 118 static ssize_t ieee80211_if_fmt_##name( \ 119 const struct ieee80211_sub_if_data *sdata, \ 120 char *buf, int buflen) \ 121 { \ 122 return scnprintf(buf, buflen, "%d\n", \ 123 jiffies_to_msecs(sdata->field)); \ 124 } 125 126 #define _IEEE80211_IF_FILE_OPS(name, _read, _write) \ 127 static const struct file_operations name##_ops = { \ 128 .read = (_read), \ 129 .write = (_write), \ 130 .open = simple_open, \ 131 .llseek = generic_file_llseek, \ 132 } 133 134 #define _IEEE80211_IF_FILE_R_FN(name) \ 135 static ssize_t ieee80211_if_read_##name(struct file *file, \ 136 char __user *userbuf, \ 137 size_t count, loff_t *ppos) \ 138 { \ 139 return ieee80211_if_read(file->private_data, \ 140 userbuf, count, ppos, \ 141 ieee80211_if_fmt_##name); \ 142 } 143 144 #define _IEEE80211_IF_FILE_W_FN(name) \ 145 static ssize_t ieee80211_if_write_##name(struct file *file, \ 146 const char __user *userbuf, \ 147 size_t count, loff_t *ppos) \ 148 { \ 149 return ieee80211_if_write(file->private_data, userbuf, count, \ 150 ppos, ieee80211_if_parse_##name); \ 151 } 152 153 #define IEEE80211_IF_FILE_R(name) \ 154 _IEEE80211_IF_FILE_R_FN(name) \ 155 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, NULL) 156 157 #define IEEE80211_IF_FILE_W(name) \ 158 _IEEE80211_IF_FILE_W_FN(name) \ 159 _IEEE80211_IF_FILE_OPS(name, NULL, ieee80211_if_write_##name) 160 161 #define IEEE80211_IF_FILE_RW(name) \ 162 _IEEE80211_IF_FILE_R_FN(name) \ 163 _IEEE80211_IF_FILE_W_FN(name) \ 164 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, \ 165 ieee80211_if_write_##name) 166 167 #define IEEE80211_IF_FILE(name, field, format) \ 168 IEEE80211_IF_FMT_##format(name, field) \ 169 IEEE80211_IF_FILE_R(name) 170 171 /* common attributes */ 172 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[NL80211_BAND_2GHZ], 173 HEX); 174 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[NL80211_BAND_5GHZ], 175 HEX); 176 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz, 177 rc_rateidx_mcs_mask[NL80211_BAND_2GHZ], HEXARRAY); 178 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz, 179 rc_rateidx_mcs_mask[NL80211_BAND_5GHZ], HEXARRAY); 180 181 static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_2ghz( 182 const struct ieee80211_sub_if_data *sdata, 183 char *buf, int buflen) 184 { 185 int i, len = 0; 186 const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_2GHZ]; 187 188 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) 189 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]); 190 len += scnprintf(buf + len, buflen - len, "\n"); 191 192 return len; 193 } 194 195 IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_2ghz); 196 197 static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_5ghz( 198 const struct ieee80211_sub_if_data *sdata, 199 char *buf, int buflen) 200 { 201 int i, len = 0; 202 const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_5GHZ]; 203 204 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) 205 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]); 206 len += scnprintf(buf + len, buflen - len, "\n"); 207 208 return len; 209 } 210 211 IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_5ghz); 212 213 IEEE80211_IF_FILE(flags, flags, HEX); 214 IEEE80211_IF_FILE(state, state, LHEX); 215 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC); 216 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC); 217 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC); 218 219 static ssize_t 220 ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata, 221 char *buf, int buflen) 222 { 223 int len; 224 225 len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n", 226 sdata->vif.hw_queue[IEEE80211_AC_VO], 227 sdata->vif.hw_queue[IEEE80211_AC_VI], 228 sdata->vif.hw_queue[IEEE80211_AC_BE], 229 sdata->vif.hw_queue[IEEE80211_AC_BK]); 230 231 if (sdata->vif.type == NL80211_IFTYPE_AP) 232 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n", 233 sdata->vif.cab_queue); 234 235 return len; 236 } 237 IEEE80211_IF_FILE_R(hw_queues); 238 239 /* STA attributes */ 240 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC); 241 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC); 242 IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS); 243 244 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata, 245 enum ieee80211_smps_mode smps_mode) 246 { 247 struct ieee80211_local *local = sdata->local; 248 int err; 249 250 if (!(local->hw.wiphy->features & NL80211_FEATURE_STATIC_SMPS) && 251 smps_mode == IEEE80211_SMPS_STATIC) 252 return -EINVAL; 253 254 /* auto should be dynamic if in PS mode */ 255 if (!(local->hw.wiphy->features & NL80211_FEATURE_DYNAMIC_SMPS) && 256 (smps_mode == IEEE80211_SMPS_DYNAMIC || 257 smps_mode == IEEE80211_SMPS_AUTOMATIC)) 258 return -EINVAL; 259 260 if (sdata->vif.type != NL80211_IFTYPE_STATION && 261 sdata->vif.type != NL80211_IFTYPE_AP) 262 return -EOPNOTSUPP; 263 264 sdata_lock(sdata); 265 if (sdata->vif.type == NL80211_IFTYPE_STATION) 266 err = __ieee80211_request_smps_mgd(sdata, smps_mode); 267 else 268 err = __ieee80211_request_smps_ap(sdata, smps_mode); 269 sdata_unlock(sdata); 270 271 return err; 272 } 273 274 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = { 275 [IEEE80211_SMPS_AUTOMATIC] = "auto", 276 [IEEE80211_SMPS_OFF] = "off", 277 [IEEE80211_SMPS_STATIC] = "static", 278 [IEEE80211_SMPS_DYNAMIC] = "dynamic", 279 }; 280 281 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata, 282 char *buf, int buflen) 283 { 284 if (sdata->vif.type == NL80211_IFTYPE_STATION) 285 return snprintf(buf, buflen, "request: %s\nused: %s\n", 286 smps_modes[sdata->u.mgd.req_smps], 287 smps_modes[sdata->smps_mode]); 288 if (sdata->vif.type == NL80211_IFTYPE_AP) 289 return snprintf(buf, buflen, "request: %s\nused: %s\n", 290 smps_modes[sdata->u.ap.req_smps], 291 smps_modes[sdata->smps_mode]); 292 return -EINVAL; 293 } 294 295 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata, 296 const char *buf, int buflen) 297 { 298 enum ieee80211_smps_mode mode; 299 300 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) { 301 if (strncmp(buf, smps_modes[mode], buflen) == 0) { 302 int err = ieee80211_set_smps(sdata, mode); 303 if (!err) 304 return buflen; 305 return err; 306 } 307 } 308 309 return -EINVAL; 310 } 311 IEEE80211_IF_FILE_RW(smps); 312 313 static ssize_t ieee80211_if_parse_tkip_mic_test( 314 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 315 { 316 struct ieee80211_local *local = sdata->local; 317 u8 addr[ETH_ALEN]; 318 struct sk_buff *skb; 319 struct ieee80211_hdr *hdr; 320 __le16 fc; 321 322 if (!mac_pton(buf, addr)) 323 return -EINVAL; 324 325 if (!ieee80211_sdata_running(sdata)) 326 return -ENOTCONN; 327 328 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100); 329 if (!skb) 330 return -ENOMEM; 331 skb_reserve(skb, local->hw.extra_tx_headroom); 332 333 hdr = skb_put_zero(skb, 24); 334 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA); 335 336 switch (sdata->vif.type) { 337 case NL80211_IFTYPE_AP: 338 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); 339 /* DA BSSID SA */ 340 memcpy(hdr->addr1, addr, ETH_ALEN); 341 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 342 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN); 343 break; 344 case NL80211_IFTYPE_STATION: 345 fc |= cpu_to_le16(IEEE80211_FCTL_TODS); 346 /* BSSID SA DA */ 347 sdata_lock(sdata); 348 if (!sdata->u.mgd.associated) { 349 sdata_unlock(sdata); 350 dev_kfree_skb(skb); 351 return -ENOTCONN; 352 } 353 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN); 354 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 355 memcpy(hdr->addr3, addr, ETH_ALEN); 356 sdata_unlock(sdata); 357 break; 358 default: 359 dev_kfree_skb(skb); 360 return -EOPNOTSUPP; 361 } 362 hdr->frame_control = fc; 363 364 /* 365 * Add some length to the test frame to make it look bit more valid. 366 * The exact contents does not matter since the recipient is required 367 * to drop this because of the Michael MIC failure. 368 */ 369 skb_put_zero(skb, 50); 370 371 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE; 372 373 ieee80211_tx_skb(sdata, skb); 374 375 return buflen; 376 } 377 IEEE80211_IF_FILE_W(tkip_mic_test); 378 379 static ssize_t ieee80211_if_parse_beacon_loss( 380 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 381 { 382 if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc) 383 return -ENOTCONN; 384 385 ieee80211_beacon_loss(&sdata->vif); 386 387 return buflen; 388 } 389 IEEE80211_IF_FILE_W(beacon_loss); 390 391 static ssize_t ieee80211_if_fmt_uapsd_queues( 392 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 393 { 394 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 395 396 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues); 397 } 398 399 static ssize_t ieee80211_if_parse_uapsd_queues( 400 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 401 { 402 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 403 u8 val; 404 int ret; 405 406 ret = kstrtou8(buf, 0, &val); 407 if (ret) 408 return ret; 409 410 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) 411 return -ERANGE; 412 413 ifmgd->uapsd_queues = val; 414 415 return buflen; 416 } 417 IEEE80211_IF_FILE_RW(uapsd_queues); 418 419 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len( 420 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 421 { 422 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 423 424 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len); 425 } 426 427 static ssize_t ieee80211_if_parse_uapsd_max_sp_len( 428 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 429 { 430 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 431 unsigned long val; 432 int ret; 433 434 ret = kstrtoul(buf, 0, &val); 435 if (ret) 436 return -EINVAL; 437 438 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) 439 return -ERANGE; 440 441 ifmgd->uapsd_max_sp_len = val; 442 443 return buflen; 444 } 445 IEEE80211_IF_FILE_RW(uapsd_max_sp_len); 446 447 static ssize_t ieee80211_if_fmt_tdls_wider_bw( 448 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 449 { 450 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 451 bool tdls_wider_bw; 452 453 tdls_wider_bw = ieee80211_hw_check(&sdata->local->hw, TDLS_WIDER_BW) && 454 !ifmgd->tdls_wider_bw_prohibited; 455 456 return snprintf(buf, buflen, "%d\n", tdls_wider_bw); 457 } 458 459 static ssize_t ieee80211_if_parse_tdls_wider_bw( 460 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 461 { 462 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 463 u8 val; 464 int ret; 465 466 ret = kstrtou8(buf, 0, &val); 467 if (ret) 468 return ret; 469 470 ifmgd->tdls_wider_bw_prohibited = !val; 471 return buflen; 472 } 473 IEEE80211_IF_FILE_RW(tdls_wider_bw); 474 475 /* AP attributes */ 476 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC); 477 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC); 478 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC); 479 IEEE80211_IF_FILE(num_mcast_sta_vlan, u.vlan.num_mcast_sta, ATOMIC); 480 481 static ssize_t ieee80211_if_fmt_num_buffered_multicast( 482 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 483 { 484 return scnprintf(buf, buflen, "%u\n", 485 skb_queue_len(&sdata->u.ap.ps.bc_buf)); 486 } 487 IEEE80211_IF_FILE_R(num_buffered_multicast); 488 489 static ssize_t ieee80211_if_fmt_aqm( 490 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 491 { 492 struct ieee80211_local *local = sdata->local; 493 struct txq_info *txqi = to_txq_info(sdata->vif.txq); 494 int len; 495 496 spin_lock_bh(&local->fq.lock); 497 rcu_read_lock(); 498 499 len = scnprintf(buf, 500 buflen, 501 "ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets\n" 502 "%u %u %u %u %u %u %u %u %u %u\n", 503 txqi->txq.ac, 504 txqi->tin.backlog_bytes, 505 txqi->tin.backlog_packets, 506 txqi->tin.flows, 507 txqi->cstats.drop_count, 508 txqi->cstats.ecn_mark, 509 txqi->tin.overlimit, 510 txqi->tin.collisions, 511 txqi->tin.tx_bytes, 512 txqi->tin.tx_packets); 513 514 rcu_read_unlock(); 515 spin_unlock_bh(&local->fq.lock); 516 517 return len; 518 } 519 IEEE80211_IF_FILE_R(aqm); 520 521 IEEE80211_IF_FILE(multicast_to_unicast, u.ap.multicast_to_unicast, HEX); 522 523 /* IBSS attributes */ 524 static ssize_t ieee80211_if_fmt_tsf( 525 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 526 { 527 struct ieee80211_local *local = sdata->local; 528 u64 tsf; 529 530 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata); 531 532 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf); 533 } 534 535 static ssize_t ieee80211_if_parse_tsf( 536 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 537 { 538 struct ieee80211_local *local = sdata->local; 539 unsigned long long tsf; 540 int ret; 541 int tsf_is_delta = 0; 542 543 if (strncmp(buf, "reset", 5) == 0) { 544 if (local->ops->reset_tsf) { 545 drv_reset_tsf(local, sdata); 546 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n"); 547 } 548 } else { 549 if (buflen > 10 && buf[1] == '=') { 550 if (buf[0] == '+') 551 tsf_is_delta = 1; 552 else if (buf[0] == '-') 553 tsf_is_delta = -1; 554 else 555 return -EINVAL; 556 buf += 2; 557 } 558 ret = kstrtoull(buf, 10, &tsf); 559 if (ret < 0) 560 return ret; 561 if (tsf_is_delta && local->ops->offset_tsf) { 562 drv_offset_tsf(local, sdata, tsf_is_delta * tsf); 563 wiphy_info(local->hw.wiphy, 564 "debugfs offset TSF by %018lld\n", 565 tsf_is_delta * tsf); 566 } else if (local->ops->set_tsf) { 567 if (tsf_is_delta) 568 tsf = drv_get_tsf(local, sdata) + 569 tsf_is_delta * tsf; 570 drv_set_tsf(local, sdata, tsf); 571 wiphy_info(local->hw.wiphy, 572 "debugfs set TSF to %#018llx\n", tsf); 573 } 574 } 575 576 ieee80211_recalc_dtim(local, sdata); 577 return buflen; 578 } 579 IEEE80211_IF_FILE_RW(tsf); 580 581 582 /* WDS attributes */ 583 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC); 584 585 #ifdef CONFIG_MAC80211_MESH 586 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC); 587 588 /* Mesh stats attributes */ 589 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC); 590 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC); 591 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC); 592 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC); 593 IEEE80211_IF_FILE(dropped_frames_congestion, 594 u.mesh.mshstats.dropped_frames_congestion, DEC); 595 IEEE80211_IF_FILE(dropped_frames_no_route, 596 u.mesh.mshstats.dropped_frames_no_route, DEC); 597 598 /* Mesh parameters */ 599 IEEE80211_IF_FILE(dot11MeshMaxRetries, 600 u.mesh.mshcfg.dot11MeshMaxRetries, DEC); 601 IEEE80211_IF_FILE(dot11MeshRetryTimeout, 602 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC); 603 IEEE80211_IF_FILE(dot11MeshConfirmTimeout, 604 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC); 605 IEEE80211_IF_FILE(dot11MeshHoldingTimeout, 606 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC); 607 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC); 608 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC); 609 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC); 610 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks, 611 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC); 612 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout, 613 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC); 614 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval, 615 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC); 616 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval, 617 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC); 618 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime, 619 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC); 620 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries, 621 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC); 622 IEEE80211_IF_FILE(path_refresh_time, 623 u.mesh.mshcfg.path_refresh_time, DEC); 624 IEEE80211_IF_FILE(min_discovery_timeout, 625 u.mesh.mshcfg.min_discovery_timeout, DEC); 626 IEEE80211_IF_FILE(dot11MeshHWMPRootMode, 627 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC); 628 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol, 629 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC); 630 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval, 631 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC); 632 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC); 633 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC); 634 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC); 635 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout, 636 u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC); 637 IEEE80211_IF_FILE(dot11MeshHWMProotInterval, 638 u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC); 639 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval, 640 u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC); 641 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC); 642 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration, 643 u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC); 644 IEEE80211_IF_FILE(dot11MeshConnectedToMeshGate, 645 u.mesh.mshcfg.dot11MeshConnectedToMeshGate, DEC); 646 #endif 647 648 #define DEBUGFS_ADD_MODE(name, mode) \ 649 debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \ 650 sdata, &name##_ops); 651 652 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400) 653 654 static void add_common_files(struct ieee80211_sub_if_data *sdata) 655 { 656 DEBUGFS_ADD(rc_rateidx_mask_2ghz); 657 DEBUGFS_ADD(rc_rateidx_mask_5ghz); 658 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); 659 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); 660 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_2ghz); 661 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_5ghz); 662 DEBUGFS_ADD(hw_queues); 663 664 if (sdata->local->ops->wake_tx_queue) 665 DEBUGFS_ADD(aqm); 666 } 667 668 static void add_sta_files(struct ieee80211_sub_if_data *sdata) 669 { 670 DEBUGFS_ADD(bssid); 671 DEBUGFS_ADD(aid); 672 DEBUGFS_ADD(beacon_timeout); 673 DEBUGFS_ADD_MODE(smps, 0600); 674 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 675 DEBUGFS_ADD_MODE(beacon_loss, 0200); 676 DEBUGFS_ADD_MODE(uapsd_queues, 0600); 677 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600); 678 DEBUGFS_ADD_MODE(tdls_wider_bw, 0600); 679 } 680 681 static void add_ap_files(struct ieee80211_sub_if_data *sdata) 682 { 683 DEBUGFS_ADD(num_mcast_sta); 684 DEBUGFS_ADD_MODE(smps, 0600); 685 DEBUGFS_ADD(num_sta_ps); 686 DEBUGFS_ADD(dtim_count); 687 DEBUGFS_ADD(num_buffered_multicast); 688 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 689 DEBUGFS_ADD_MODE(multicast_to_unicast, 0600); 690 } 691 692 static void add_vlan_files(struct ieee80211_sub_if_data *sdata) 693 { 694 /* add num_mcast_sta_vlan using name num_mcast_sta */ 695 debugfs_create_file("num_mcast_sta", 0400, sdata->vif.debugfs_dir, 696 sdata, &num_mcast_sta_vlan_ops); 697 } 698 699 static void add_ibss_files(struct ieee80211_sub_if_data *sdata) 700 { 701 DEBUGFS_ADD_MODE(tsf, 0600); 702 } 703 704 static void add_wds_files(struct ieee80211_sub_if_data *sdata) 705 { 706 DEBUGFS_ADD(peer); 707 } 708 709 #ifdef CONFIG_MAC80211_MESH 710 711 static void add_mesh_files(struct ieee80211_sub_if_data *sdata) 712 { 713 DEBUGFS_ADD_MODE(tsf, 0600); 714 DEBUGFS_ADD_MODE(estab_plinks, 0400); 715 } 716 717 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata) 718 { 719 struct dentry *dir = debugfs_create_dir("mesh_stats", 720 sdata->vif.debugfs_dir); 721 #define MESHSTATS_ADD(name)\ 722 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops); 723 724 MESHSTATS_ADD(fwded_mcast); 725 MESHSTATS_ADD(fwded_unicast); 726 MESHSTATS_ADD(fwded_frames); 727 MESHSTATS_ADD(dropped_frames_ttl); 728 MESHSTATS_ADD(dropped_frames_no_route); 729 MESHSTATS_ADD(dropped_frames_congestion); 730 #undef MESHSTATS_ADD 731 } 732 733 static void add_mesh_config(struct ieee80211_sub_if_data *sdata) 734 { 735 struct dentry *dir = debugfs_create_dir("mesh_config", 736 sdata->vif.debugfs_dir); 737 738 #define MESHPARAMS_ADD(name) \ 739 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops); 740 741 MESHPARAMS_ADD(dot11MeshMaxRetries); 742 MESHPARAMS_ADD(dot11MeshRetryTimeout); 743 MESHPARAMS_ADD(dot11MeshConfirmTimeout); 744 MESHPARAMS_ADD(dot11MeshHoldingTimeout); 745 MESHPARAMS_ADD(dot11MeshTTL); 746 MESHPARAMS_ADD(element_ttl); 747 MESHPARAMS_ADD(auto_open_plinks); 748 MESHPARAMS_ADD(dot11MeshMaxPeerLinks); 749 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout); 750 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval); 751 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval); 752 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime); 753 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries); 754 MESHPARAMS_ADD(path_refresh_time); 755 MESHPARAMS_ADD(min_discovery_timeout); 756 MESHPARAMS_ADD(dot11MeshHWMPRootMode); 757 MESHPARAMS_ADD(dot11MeshHWMPRannInterval); 758 MESHPARAMS_ADD(dot11MeshForwarding); 759 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol); 760 MESHPARAMS_ADD(rssi_threshold); 761 MESHPARAMS_ADD(ht_opmode); 762 MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout); 763 MESHPARAMS_ADD(dot11MeshHWMProotInterval); 764 MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval); 765 MESHPARAMS_ADD(power_mode); 766 MESHPARAMS_ADD(dot11MeshAwakeWindowDuration); 767 MESHPARAMS_ADD(dot11MeshConnectedToMeshGate); 768 #undef MESHPARAMS_ADD 769 } 770 #endif 771 772 static void add_files(struct ieee80211_sub_if_data *sdata) 773 { 774 if (!sdata->vif.debugfs_dir) 775 return; 776 777 DEBUGFS_ADD(flags); 778 DEBUGFS_ADD(state); 779 DEBUGFS_ADD(txpower); 780 DEBUGFS_ADD(user_power_level); 781 DEBUGFS_ADD(ap_power_level); 782 783 if (sdata->vif.type != NL80211_IFTYPE_MONITOR) 784 add_common_files(sdata); 785 786 switch (sdata->vif.type) { 787 case NL80211_IFTYPE_MESH_POINT: 788 #ifdef CONFIG_MAC80211_MESH 789 add_mesh_files(sdata); 790 add_mesh_stats(sdata); 791 add_mesh_config(sdata); 792 #endif 793 break; 794 case NL80211_IFTYPE_STATION: 795 add_sta_files(sdata); 796 break; 797 case NL80211_IFTYPE_ADHOC: 798 add_ibss_files(sdata); 799 break; 800 case NL80211_IFTYPE_AP: 801 add_ap_files(sdata); 802 break; 803 case NL80211_IFTYPE_AP_VLAN: 804 add_vlan_files(sdata); 805 break; 806 case NL80211_IFTYPE_WDS: 807 add_wds_files(sdata); 808 break; 809 default: 810 break; 811 } 812 } 813 814 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata) 815 { 816 char buf[10+IFNAMSIZ]; 817 818 sprintf(buf, "netdev:%s", sdata->name); 819 sdata->vif.debugfs_dir = debugfs_create_dir(buf, 820 sdata->local->hw.wiphy->debugfsdir); 821 if (sdata->vif.debugfs_dir) 822 sdata->debugfs.subdir_stations = debugfs_create_dir("stations", 823 sdata->vif.debugfs_dir); 824 add_files(sdata); 825 } 826 827 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) 828 { 829 if (!sdata->vif.debugfs_dir) 830 return; 831 832 debugfs_remove_recursive(sdata->vif.debugfs_dir); 833 sdata->vif.debugfs_dir = NULL; 834 sdata->debugfs.subdir_stations = NULL; 835 } 836 837 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata) 838 { 839 struct dentry *dir; 840 char buf[10 + IFNAMSIZ]; 841 842 dir = sdata->vif.debugfs_dir; 843 844 if (IS_ERR_OR_NULL(dir)) 845 return; 846 847 sprintf(buf, "netdev:%s", sdata->name); 848 if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf)) 849 sdata_err(sdata, 850 "debugfs: failed to rename debugfs dir to %s\n", 851 buf); 852 } 853