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