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[70]; 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_DEC_DIV_16(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", sdata->field / 16); \ 123 } 124 125 #define IEEE80211_IF_FMT_JIFFIES_TO_MS(name, field) \ 126 static ssize_t ieee80211_if_fmt_##name( \ 127 const struct ieee80211_sub_if_data *sdata, \ 128 char *buf, int buflen) \ 129 { \ 130 return scnprintf(buf, buflen, "%d\n", \ 131 jiffies_to_msecs(sdata->field)); \ 132 } 133 134 #define _IEEE80211_IF_FILE_OPS(name, _read, _write) \ 135 static const struct file_operations name##_ops = { \ 136 .read = (_read), \ 137 .write = (_write), \ 138 .open = simple_open, \ 139 .llseek = generic_file_llseek, \ 140 } 141 142 #define _IEEE80211_IF_FILE_R_FN(name) \ 143 static ssize_t ieee80211_if_read_##name(struct file *file, \ 144 char __user *userbuf, \ 145 size_t count, loff_t *ppos) \ 146 { \ 147 return ieee80211_if_read(file->private_data, \ 148 userbuf, count, ppos, \ 149 ieee80211_if_fmt_##name); \ 150 } 151 152 #define _IEEE80211_IF_FILE_W_FN(name) \ 153 static ssize_t ieee80211_if_write_##name(struct file *file, \ 154 const char __user *userbuf, \ 155 size_t count, loff_t *ppos) \ 156 { \ 157 return ieee80211_if_write(file->private_data, userbuf, count, \ 158 ppos, ieee80211_if_parse_##name); \ 159 } 160 161 #define IEEE80211_IF_FILE_R(name) \ 162 _IEEE80211_IF_FILE_R_FN(name) \ 163 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, NULL) 164 165 #define IEEE80211_IF_FILE_W(name) \ 166 _IEEE80211_IF_FILE_W_FN(name) \ 167 _IEEE80211_IF_FILE_OPS(name, NULL, ieee80211_if_write_##name) 168 169 #define IEEE80211_IF_FILE_RW(name) \ 170 _IEEE80211_IF_FILE_R_FN(name) \ 171 _IEEE80211_IF_FILE_W_FN(name) \ 172 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, \ 173 ieee80211_if_write_##name) 174 175 #define IEEE80211_IF_FILE(name, field, format) \ 176 IEEE80211_IF_FMT_##format(name, field) \ 177 IEEE80211_IF_FILE_R(name) 178 179 /* common attributes */ 180 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ], 181 HEX); 182 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ], 183 HEX); 184 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz, 185 rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY); 186 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz, 187 rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY); 188 189 static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_2ghz( 190 const struct ieee80211_sub_if_data *sdata, 191 char *buf, int buflen) 192 { 193 int i, len = 0; 194 const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[IEEE80211_BAND_2GHZ]; 195 196 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) 197 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]); 198 len += scnprintf(buf + len, buflen - len, "\n"); 199 200 return len; 201 } 202 203 IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_2ghz); 204 205 static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_5ghz( 206 const struct ieee80211_sub_if_data *sdata, 207 char *buf, int buflen) 208 { 209 int i, len = 0; 210 const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[IEEE80211_BAND_5GHZ]; 211 212 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) 213 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]); 214 len += scnprintf(buf + len, buflen - len, "\n"); 215 216 return len; 217 } 218 219 IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_5ghz); 220 221 IEEE80211_IF_FILE(flags, flags, HEX); 222 IEEE80211_IF_FILE(state, state, LHEX); 223 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC); 224 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC); 225 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC); 226 227 static ssize_t 228 ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata, 229 char *buf, int buflen) 230 { 231 int len; 232 233 len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n", 234 sdata->vif.hw_queue[IEEE80211_AC_VO], 235 sdata->vif.hw_queue[IEEE80211_AC_VI], 236 sdata->vif.hw_queue[IEEE80211_AC_BE], 237 sdata->vif.hw_queue[IEEE80211_AC_BK]); 238 239 if (sdata->vif.type == NL80211_IFTYPE_AP) 240 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n", 241 sdata->vif.cab_queue); 242 243 return len; 244 } 245 IEEE80211_IF_FILE_R(hw_queues); 246 247 /* STA attributes */ 248 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC); 249 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC); 250 IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC); 251 IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16); 252 IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS); 253 254 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata, 255 enum ieee80211_smps_mode smps_mode) 256 { 257 struct ieee80211_local *local = sdata->local; 258 int err; 259 260 if (!(local->hw.wiphy->features & NL80211_FEATURE_STATIC_SMPS) && 261 smps_mode == IEEE80211_SMPS_STATIC) 262 return -EINVAL; 263 264 /* auto should be dynamic if in PS mode */ 265 if (!(local->hw.wiphy->features & NL80211_FEATURE_DYNAMIC_SMPS) && 266 (smps_mode == IEEE80211_SMPS_DYNAMIC || 267 smps_mode == IEEE80211_SMPS_AUTOMATIC)) 268 return -EINVAL; 269 270 if (sdata->vif.type != NL80211_IFTYPE_STATION && 271 sdata->vif.type != NL80211_IFTYPE_AP) 272 return -EOPNOTSUPP; 273 274 sdata_lock(sdata); 275 if (sdata->vif.type == NL80211_IFTYPE_STATION) 276 err = __ieee80211_request_smps_mgd(sdata, smps_mode); 277 else 278 err = __ieee80211_request_smps_ap(sdata, smps_mode); 279 sdata_unlock(sdata); 280 281 return err; 282 } 283 284 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = { 285 [IEEE80211_SMPS_AUTOMATIC] = "auto", 286 [IEEE80211_SMPS_OFF] = "off", 287 [IEEE80211_SMPS_STATIC] = "static", 288 [IEEE80211_SMPS_DYNAMIC] = "dynamic", 289 }; 290 291 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata, 292 char *buf, int buflen) 293 { 294 if (sdata->vif.type == NL80211_IFTYPE_STATION) 295 return snprintf(buf, buflen, "request: %s\nused: %s\n", 296 smps_modes[sdata->u.mgd.req_smps], 297 smps_modes[sdata->smps_mode]); 298 if (sdata->vif.type == NL80211_IFTYPE_AP) 299 return snprintf(buf, buflen, "request: %s\nused: %s\n", 300 smps_modes[sdata->u.ap.req_smps], 301 smps_modes[sdata->smps_mode]); 302 return -EINVAL; 303 } 304 305 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata, 306 const char *buf, int buflen) 307 { 308 enum ieee80211_smps_mode mode; 309 310 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) { 311 if (strncmp(buf, smps_modes[mode], buflen) == 0) { 312 int err = ieee80211_set_smps(sdata, mode); 313 if (!err) 314 return buflen; 315 return err; 316 } 317 } 318 319 return -EINVAL; 320 } 321 IEEE80211_IF_FILE_RW(smps); 322 323 static ssize_t ieee80211_if_parse_tkip_mic_test( 324 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 325 { 326 struct ieee80211_local *local = sdata->local; 327 u8 addr[ETH_ALEN]; 328 struct sk_buff *skb; 329 struct ieee80211_hdr *hdr; 330 __le16 fc; 331 332 if (!mac_pton(buf, addr)) 333 return -EINVAL; 334 335 if (!ieee80211_sdata_running(sdata)) 336 return -ENOTCONN; 337 338 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100); 339 if (!skb) 340 return -ENOMEM; 341 skb_reserve(skb, local->hw.extra_tx_headroom); 342 343 hdr = (struct ieee80211_hdr *) skb_put(skb, 24); 344 memset(hdr, 0, 24); 345 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA); 346 347 switch (sdata->vif.type) { 348 case NL80211_IFTYPE_AP: 349 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); 350 /* DA BSSID SA */ 351 memcpy(hdr->addr1, addr, ETH_ALEN); 352 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 353 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN); 354 break; 355 case NL80211_IFTYPE_STATION: 356 fc |= cpu_to_le16(IEEE80211_FCTL_TODS); 357 /* BSSID SA DA */ 358 sdata_lock(sdata); 359 if (!sdata->u.mgd.associated) { 360 sdata_unlock(sdata); 361 dev_kfree_skb(skb); 362 return -ENOTCONN; 363 } 364 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN); 365 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); 366 memcpy(hdr->addr3, addr, ETH_ALEN); 367 sdata_unlock(sdata); 368 break; 369 default: 370 dev_kfree_skb(skb); 371 return -EOPNOTSUPP; 372 } 373 hdr->frame_control = fc; 374 375 /* 376 * Add some length to the test frame to make it look bit more valid. 377 * The exact contents does not matter since the recipient is required 378 * to drop this because of the Michael MIC failure. 379 */ 380 memset(skb_put(skb, 50), 0, 50); 381 382 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE; 383 384 ieee80211_tx_skb(sdata, skb); 385 386 return buflen; 387 } 388 IEEE80211_IF_FILE_W(tkip_mic_test); 389 390 static ssize_t ieee80211_if_parse_beacon_loss( 391 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 392 { 393 if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc) 394 return -ENOTCONN; 395 396 ieee80211_beacon_loss(&sdata->vif); 397 398 return buflen; 399 } 400 IEEE80211_IF_FILE_W(beacon_loss); 401 402 static ssize_t ieee80211_if_fmt_uapsd_queues( 403 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 404 { 405 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 406 407 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues); 408 } 409 410 static ssize_t ieee80211_if_parse_uapsd_queues( 411 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 412 { 413 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 414 u8 val; 415 int ret; 416 417 ret = kstrtou8(buf, 0, &val); 418 if (ret) 419 return ret; 420 421 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) 422 return -ERANGE; 423 424 ifmgd->uapsd_queues = val; 425 426 return buflen; 427 } 428 IEEE80211_IF_FILE_RW(uapsd_queues); 429 430 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len( 431 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 432 { 433 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 434 435 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len); 436 } 437 438 static ssize_t ieee80211_if_parse_uapsd_max_sp_len( 439 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 440 { 441 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 442 unsigned long val; 443 int ret; 444 445 ret = kstrtoul(buf, 0, &val); 446 if (ret) 447 return -EINVAL; 448 449 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) 450 return -ERANGE; 451 452 ifmgd->uapsd_max_sp_len = val; 453 454 return buflen; 455 } 456 IEEE80211_IF_FILE_RW(uapsd_max_sp_len); 457 458 /* AP attributes */ 459 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC); 460 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC); 461 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC); 462 463 static ssize_t ieee80211_if_fmt_num_buffered_multicast( 464 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 465 { 466 return scnprintf(buf, buflen, "%u\n", 467 skb_queue_len(&sdata->u.ap.ps.bc_buf)); 468 } 469 IEEE80211_IF_FILE_R(num_buffered_multicast); 470 471 /* IBSS attributes */ 472 static ssize_t ieee80211_if_fmt_tsf( 473 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) 474 { 475 struct ieee80211_local *local = sdata->local; 476 u64 tsf; 477 478 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata); 479 480 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf); 481 } 482 483 static ssize_t ieee80211_if_parse_tsf( 484 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) 485 { 486 struct ieee80211_local *local = sdata->local; 487 unsigned long long tsf; 488 int ret; 489 int tsf_is_delta = 0; 490 491 if (strncmp(buf, "reset", 5) == 0) { 492 if (local->ops->reset_tsf) { 493 drv_reset_tsf(local, sdata); 494 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n"); 495 } 496 } else { 497 if (buflen > 10 && buf[1] == '=') { 498 if (buf[0] == '+') 499 tsf_is_delta = 1; 500 else if (buf[0] == '-') 501 tsf_is_delta = -1; 502 else 503 return -EINVAL; 504 buf += 2; 505 } 506 ret = kstrtoull(buf, 10, &tsf); 507 if (ret < 0) 508 return ret; 509 if (tsf_is_delta) 510 tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf; 511 if (local->ops->set_tsf) { 512 drv_set_tsf(local, sdata, tsf); 513 wiphy_info(local->hw.wiphy, 514 "debugfs set TSF to %#018llx\n", tsf); 515 } 516 } 517 518 ieee80211_recalc_dtim(local, sdata); 519 return buflen; 520 } 521 IEEE80211_IF_FILE_RW(tsf); 522 523 524 /* WDS attributes */ 525 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC); 526 527 #ifdef CONFIG_MAC80211_MESH 528 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC); 529 530 /* Mesh stats attributes */ 531 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC); 532 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC); 533 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC); 534 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC); 535 IEEE80211_IF_FILE(dropped_frames_congestion, 536 u.mesh.mshstats.dropped_frames_congestion, DEC); 537 IEEE80211_IF_FILE(dropped_frames_no_route, 538 u.mesh.mshstats.dropped_frames_no_route, DEC); 539 540 /* Mesh parameters */ 541 IEEE80211_IF_FILE(dot11MeshMaxRetries, 542 u.mesh.mshcfg.dot11MeshMaxRetries, DEC); 543 IEEE80211_IF_FILE(dot11MeshRetryTimeout, 544 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC); 545 IEEE80211_IF_FILE(dot11MeshConfirmTimeout, 546 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC); 547 IEEE80211_IF_FILE(dot11MeshHoldingTimeout, 548 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC); 549 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC); 550 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC); 551 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC); 552 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks, 553 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC); 554 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout, 555 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC); 556 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval, 557 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC); 558 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval, 559 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC); 560 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime, 561 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC); 562 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries, 563 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC); 564 IEEE80211_IF_FILE(path_refresh_time, 565 u.mesh.mshcfg.path_refresh_time, DEC); 566 IEEE80211_IF_FILE(min_discovery_timeout, 567 u.mesh.mshcfg.min_discovery_timeout, DEC); 568 IEEE80211_IF_FILE(dot11MeshHWMPRootMode, 569 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC); 570 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol, 571 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC); 572 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval, 573 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC); 574 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC); 575 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC); 576 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC); 577 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout, 578 u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC); 579 IEEE80211_IF_FILE(dot11MeshHWMProotInterval, 580 u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC); 581 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval, 582 u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC); 583 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC); 584 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration, 585 u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC); 586 #endif 587 588 #define DEBUGFS_ADD_MODE(name, mode) \ 589 debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \ 590 sdata, &name##_ops); 591 592 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400) 593 594 static void add_common_files(struct ieee80211_sub_if_data *sdata) 595 { 596 DEBUGFS_ADD(rc_rateidx_mask_2ghz); 597 DEBUGFS_ADD(rc_rateidx_mask_5ghz); 598 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); 599 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); 600 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_2ghz); 601 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_5ghz); 602 DEBUGFS_ADD(hw_queues); 603 } 604 605 static void add_sta_files(struct ieee80211_sub_if_data *sdata) 606 { 607 DEBUGFS_ADD(bssid); 608 DEBUGFS_ADD(aid); 609 DEBUGFS_ADD(last_beacon); 610 DEBUGFS_ADD(ave_beacon); 611 DEBUGFS_ADD(beacon_timeout); 612 DEBUGFS_ADD_MODE(smps, 0600); 613 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 614 DEBUGFS_ADD_MODE(beacon_loss, 0200); 615 DEBUGFS_ADD_MODE(uapsd_queues, 0600); 616 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600); 617 } 618 619 static void add_ap_files(struct ieee80211_sub_if_data *sdata) 620 { 621 DEBUGFS_ADD(num_mcast_sta); 622 DEBUGFS_ADD_MODE(smps, 0600); 623 DEBUGFS_ADD(num_sta_ps); 624 DEBUGFS_ADD(dtim_count); 625 DEBUGFS_ADD(num_buffered_multicast); 626 DEBUGFS_ADD_MODE(tkip_mic_test, 0200); 627 } 628 629 static void add_ibss_files(struct ieee80211_sub_if_data *sdata) 630 { 631 DEBUGFS_ADD_MODE(tsf, 0600); 632 } 633 634 static void add_wds_files(struct ieee80211_sub_if_data *sdata) 635 { 636 DEBUGFS_ADD(peer); 637 } 638 639 #ifdef CONFIG_MAC80211_MESH 640 641 static void add_mesh_files(struct ieee80211_sub_if_data *sdata) 642 { 643 DEBUGFS_ADD_MODE(tsf, 0600); 644 DEBUGFS_ADD_MODE(estab_plinks, 0400); 645 } 646 647 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata) 648 { 649 struct dentry *dir = debugfs_create_dir("mesh_stats", 650 sdata->vif.debugfs_dir); 651 #define MESHSTATS_ADD(name)\ 652 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops); 653 654 MESHSTATS_ADD(fwded_mcast); 655 MESHSTATS_ADD(fwded_unicast); 656 MESHSTATS_ADD(fwded_frames); 657 MESHSTATS_ADD(dropped_frames_ttl); 658 MESHSTATS_ADD(dropped_frames_no_route); 659 MESHSTATS_ADD(dropped_frames_congestion); 660 #undef MESHSTATS_ADD 661 } 662 663 static void add_mesh_config(struct ieee80211_sub_if_data *sdata) 664 { 665 struct dentry *dir = debugfs_create_dir("mesh_config", 666 sdata->vif.debugfs_dir); 667 668 #define MESHPARAMS_ADD(name) \ 669 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops); 670 671 MESHPARAMS_ADD(dot11MeshMaxRetries); 672 MESHPARAMS_ADD(dot11MeshRetryTimeout); 673 MESHPARAMS_ADD(dot11MeshConfirmTimeout); 674 MESHPARAMS_ADD(dot11MeshHoldingTimeout); 675 MESHPARAMS_ADD(dot11MeshTTL); 676 MESHPARAMS_ADD(element_ttl); 677 MESHPARAMS_ADD(auto_open_plinks); 678 MESHPARAMS_ADD(dot11MeshMaxPeerLinks); 679 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout); 680 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval); 681 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval); 682 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime); 683 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries); 684 MESHPARAMS_ADD(path_refresh_time); 685 MESHPARAMS_ADD(min_discovery_timeout); 686 MESHPARAMS_ADD(dot11MeshHWMPRootMode); 687 MESHPARAMS_ADD(dot11MeshHWMPRannInterval); 688 MESHPARAMS_ADD(dot11MeshForwarding); 689 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol); 690 MESHPARAMS_ADD(rssi_threshold); 691 MESHPARAMS_ADD(ht_opmode); 692 MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout); 693 MESHPARAMS_ADD(dot11MeshHWMProotInterval); 694 MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval); 695 MESHPARAMS_ADD(power_mode); 696 MESHPARAMS_ADD(dot11MeshAwakeWindowDuration); 697 #undef MESHPARAMS_ADD 698 } 699 #endif 700 701 static void add_files(struct ieee80211_sub_if_data *sdata) 702 { 703 if (!sdata->vif.debugfs_dir) 704 return; 705 706 DEBUGFS_ADD(flags); 707 DEBUGFS_ADD(state); 708 DEBUGFS_ADD(txpower); 709 DEBUGFS_ADD(user_power_level); 710 DEBUGFS_ADD(ap_power_level); 711 712 if (sdata->vif.type != NL80211_IFTYPE_MONITOR) 713 add_common_files(sdata); 714 715 switch (sdata->vif.type) { 716 case NL80211_IFTYPE_MESH_POINT: 717 #ifdef CONFIG_MAC80211_MESH 718 add_mesh_files(sdata); 719 add_mesh_stats(sdata); 720 add_mesh_config(sdata); 721 #endif 722 break; 723 case NL80211_IFTYPE_STATION: 724 add_sta_files(sdata); 725 break; 726 case NL80211_IFTYPE_ADHOC: 727 add_ibss_files(sdata); 728 break; 729 case NL80211_IFTYPE_AP: 730 add_ap_files(sdata); 731 break; 732 case NL80211_IFTYPE_WDS: 733 add_wds_files(sdata); 734 break; 735 default: 736 break; 737 } 738 } 739 740 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata) 741 { 742 char buf[10+IFNAMSIZ]; 743 744 sprintf(buf, "netdev:%s", sdata->name); 745 sdata->vif.debugfs_dir = debugfs_create_dir(buf, 746 sdata->local->hw.wiphy->debugfsdir); 747 if (sdata->vif.debugfs_dir) 748 sdata->debugfs.subdir_stations = debugfs_create_dir("stations", 749 sdata->vif.debugfs_dir); 750 add_files(sdata); 751 } 752 753 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) 754 { 755 if (!sdata->vif.debugfs_dir) 756 return; 757 758 debugfs_remove_recursive(sdata->vif.debugfs_dir); 759 sdata->vif.debugfs_dir = NULL; 760 sdata->debugfs.subdir_stations = NULL; 761 } 762 763 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata) 764 { 765 struct dentry *dir; 766 char buf[10 + IFNAMSIZ]; 767 768 dir = sdata->vif.debugfs_dir; 769 770 if (!dir) 771 return; 772 773 sprintf(buf, "netdev:%s", sdata->name); 774 if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf)) 775 sdata_err(sdata, 776 "debugfs: failed to rename debugfs dir to %s\n", 777 buf); 778 } 779