| 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/interrupt.h> |
| 14 | #include <linux/netdevice.h> |
| 15 | #include <linux/rtnetlink.h> |
| 16 | #include <linux/slab.h> |
| 17 | #include <linux/notifier.h> |
| 18 | #include <net/mac80211.h> |
| 19 | #include <net/cfg80211.h> |
| 20 | #include "ieee80211_i.h" |
| 21 | #include "rate.h" |
| 22 | #include "debugfs.h" |
| 23 | #include "debugfs_netdev.h" |
| 24 | #include "driver-ops.h" |
| 25 | |
| 26 | static ssize_t ieee80211_if_read( |
| 27 | struct ieee80211_sub_if_data *sdata, |
| 28 | char __user *userbuf, |
| 29 | size_t count, loff_t *ppos, |
| 30 | ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int)) |
| 31 | { |
| 32 | char buf[70]; |
| 33 | ssize_t ret = -EINVAL; |
| 34 | |
| 35 | read_lock(&dev_base_lock); |
| 36 | if (sdata->dev->reg_state == NETREG_REGISTERED) |
| 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 | if (sdata->dev->reg_state == NETREG_REGISTERED) |
| 65 | ret = (*write)(sdata, buf, count); |
| 66 | rtnl_unlock(); |
| 67 | |
| 68 | return ret; |
| 69 | } |
| 70 | |
| 71 | #define IEEE80211_IF_FMT(name, field, format_string) \ |
| 72 | static ssize_t ieee80211_if_fmt_##name( \ |
| 73 | const struct ieee80211_sub_if_data *sdata, char *buf, \ |
| 74 | int buflen) \ |
| 75 | { \ |
| 76 | return scnprintf(buf, buflen, format_string, sdata->field); \ |
| 77 | } |
| 78 | #define IEEE80211_IF_FMT_DEC(name, field) \ |
| 79 | IEEE80211_IF_FMT(name, field, "%d\n") |
| 80 | #define IEEE80211_IF_FMT_HEX(name, field) \ |
| 81 | IEEE80211_IF_FMT(name, field, "%#x\n") |
| 82 | #define IEEE80211_IF_FMT_LHEX(name, field) \ |
| 83 | IEEE80211_IF_FMT(name, field, "%#lx\n") |
| 84 | #define IEEE80211_IF_FMT_SIZE(name, field) \ |
| 85 | IEEE80211_IF_FMT(name, field, "%zd\n") |
| 86 | |
| 87 | #define IEEE80211_IF_FMT_HEXARRAY(name, field) \ |
| 88 | static ssize_t ieee80211_if_fmt_##name( \ |
| 89 | const struct ieee80211_sub_if_data *sdata, \ |
| 90 | char *buf, int buflen) \ |
| 91 | { \ |
| 92 | char *p = buf; \ |
| 93 | int i; \ |
| 94 | for (i = 0; i < sizeof(sdata->field); i++) { \ |
| 95 | p += scnprintf(p, buflen + buf - p, "%.2x ", \ |
| 96 | sdata->field[i]); \ |
| 97 | } \ |
| 98 | p += scnprintf(p, buflen + buf - p, "\n"); \ |
| 99 | return p - buf; \ |
| 100 | } |
| 101 | |
| 102 | #define IEEE80211_IF_FMT_ATOMIC(name, field) \ |
| 103 | static ssize_t ieee80211_if_fmt_##name( \ |
| 104 | const struct ieee80211_sub_if_data *sdata, \ |
| 105 | char *buf, int buflen) \ |
| 106 | { \ |
| 107 | return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\ |
| 108 | } |
| 109 | |
| 110 | #define IEEE80211_IF_FMT_MAC(name, field) \ |
| 111 | static ssize_t ieee80211_if_fmt_##name( \ |
| 112 | const struct ieee80211_sub_if_data *sdata, char *buf, \ |
| 113 | int buflen) \ |
| 114 | { \ |
| 115 | return scnprintf(buf, buflen, "%pM\n", sdata->field); \ |
| 116 | } |
| 117 | |
| 118 | #define IEEE80211_IF_FMT_DEC_DIV_16(name, field) \ |
| 119 | static ssize_t ieee80211_if_fmt_##name( \ |
| 120 | const struct ieee80211_sub_if_data *sdata, \ |
| 121 | char *buf, int buflen) \ |
| 122 | { \ |
| 123 | return scnprintf(buf, buflen, "%d\n", sdata->field / 16); \ |
| 124 | } |
| 125 | |
| 126 | #define __IEEE80211_IF_FILE(name, _write) \ |
| 127 | static ssize_t ieee80211_if_read_##name(struct file *file, \ |
| 128 | char __user *userbuf, \ |
| 129 | size_t count, loff_t *ppos) \ |
| 130 | { \ |
| 131 | return ieee80211_if_read(file->private_data, \ |
| 132 | userbuf, count, ppos, \ |
| 133 | ieee80211_if_fmt_##name); \ |
| 134 | } \ |
| 135 | static const struct file_operations name##_ops = { \ |
| 136 | .read = ieee80211_if_read_##name, \ |
| 137 | .write = (_write), \ |
| 138 | .open = simple_open, \ |
| 139 | .llseek = generic_file_llseek, \ |
| 140 | } |
| 141 | |
| 142 | #define __IEEE80211_IF_FILE_W(name) \ |
| 143 | static ssize_t ieee80211_if_write_##name(struct file *file, \ |
| 144 | const char __user *userbuf, \ |
| 145 | size_t count, loff_t *ppos) \ |
| 146 | { \ |
| 147 | return ieee80211_if_write(file->private_data, userbuf, count, \ |
| 148 | ppos, ieee80211_if_parse_##name); \ |
| 149 | } \ |
| 150 | __IEEE80211_IF_FILE(name, ieee80211_if_write_##name) |
| 151 | |
| 152 | |
| 153 | #define IEEE80211_IF_FILE(name, field, format) \ |
| 154 | IEEE80211_IF_FMT_##format(name, field) \ |
| 155 | __IEEE80211_IF_FILE(name, NULL) |
| 156 | |
| 157 | /* common attributes */ |
| 158 | IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC); |
| 159 | IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ], |
| 160 | HEX); |
| 161 | IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ], |
| 162 | HEX); |
| 163 | IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz, |
| 164 | rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY); |
| 165 | IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz, |
| 166 | rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY); |
| 167 | |
| 168 | IEEE80211_IF_FILE(flags, flags, HEX); |
| 169 | IEEE80211_IF_FILE(state, state, LHEX); |
| 170 | IEEE80211_IF_FILE(channel_type, vif.bss_conf.channel_type, DEC); |
| 171 | |
| 172 | /* STA attributes */ |
| 173 | IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC); |
| 174 | IEEE80211_IF_FILE(aid, u.mgd.aid, DEC); |
| 175 | IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC); |
| 176 | IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16); |
| 177 | |
| 178 | static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata, |
| 179 | enum ieee80211_smps_mode smps_mode) |
| 180 | { |
| 181 | struct ieee80211_local *local = sdata->local; |
| 182 | int err; |
| 183 | |
| 184 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) && |
| 185 | smps_mode == IEEE80211_SMPS_STATIC) |
| 186 | return -EINVAL; |
| 187 | |
| 188 | /* auto should be dynamic if in PS mode */ |
| 189 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) && |
| 190 | (smps_mode == IEEE80211_SMPS_DYNAMIC || |
| 191 | smps_mode == IEEE80211_SMPS_AUTOMATIC)) |
| 192 | return -EINVAL; |
| 193 | |
| 194 | /* supported only on managed interfaces for now */ |
| 195 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
| 196 | return -EOPNOTSUPP; |
| 197 | |
| 198 | mutex_lock(&sdata->u.mgd.mtx); |
| 199 | err = __ieee80211_request_smps(sdata, smps_mode); |
| 200 | mutex_unlock(&sdata->u.mgd.mtx); |
| 201 | |
| 202 | return err; |
| 203 | } |
| 204 | |
| 205 | static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = { |
| 206 | [IEEE80211_SMPS_AUTOMATIC] = "auto", |
| 207 | [IEEE80211_SMPS_OFF] = "off", |
| 208 | [IEEE80211_SMPS_STATIC] = "static", |
| 209 | [IEEE80211_SMPS_DYNAMIC] = "dynamic", |
| 210 | }; |
| 211 | |
| 212 | static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata, |
| 213 | char *buf, int buflen) |
| 214 | { |
| 215 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
| 216 | return -EOPNOTSUPP; |
| 217 | |
| 218 | return snprintf(buf, buflen, "request: %s\nused: %s\n", |
| 219 | smps_modes[sdata->u.mgd.req_smps], |
| 220 | smps_modes[sdata->u.mgd.ap_smps]); |
| 221 | } |
| 222 | |
| 223 | static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata, |
| 224 | const char *buf, int buflen) |
| 225 | { |
| 226 | enum ieee80211_smps_mode mode; |
| 227 | |
| 228 | for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) { |
| 229 | if (strncmp(buf, smps_modes[mode], buflen) == 0) { |
| 230 | int err = ieee80211_set_smps(sdata, mode); |
| 231 | if (!err) |
| 232 | return buflen; |
| 233 | return err; |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | return -EINVAL; |
| 238 | } |
| 239 | |
| 240 | __IEEE80211_IF_FILE_W(smps); |
| 241 | |
| 242 | static ssize_t ieee80211_if_fmt_tkip_mic_test( |
| 243 | const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) |
| 244 | { |
| 245 | return -EOPNOTSUPP; |
| 246 | } |
| 247 | |
| 248 | static int hwaddr_aton(const char *txt, u8 *addr) |
| 249 | { |
| 250 | int i; |
| 251 | |
| 252 | for (i = 0; i < ETH_ALEN; i++) { |
| 253 | int a, b; |
| 254 | |
| 255 | a = hex_to_bin(*txt++); |
| 256 | if (a < 0) |
| 257 | return -1; |
| 258 | b = hex_to_bin(*txt++); |
| 259 | if (b < 0) |
| 260 | return -1; |
| 261 | *addr++ = (a << 4) | b; |
| 262 | if (i < 5 && *txt++ != ':') |
| 263 | return -1; |
| 264 | } |
| 265 | |
| 266 | return 0; |
| 267 | } |
| 268 | |
| 269 | static ssize_t ieee80211_if_parse_tkip_mic_test( |
| 270 | struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) |
| 271 | { |
| 272 | struct ieee80211_local *local = sdata->local; |
| 273 | u8 addr[ETH_ALEN]; |
| 274 | struct sk_buff *skb; |
| 275 | struct ieee80211_hdr *hdr; |
| 276 | __le16 fc; |
| 277 | |
| 278 | /* |
| 279 | * Assume colon-delimited MAC address with possible white space |
| 280 | * following. |
| 281 | */ |
| 282 | if (buflen < 3 * ETH_ALEN - 1) |
| 283 | return -EINVAL; |
| 284 | if (hwaddr_aton(buf, addr) < 0) |
| 285 | return -EINVAL; |
| 286 | |
| 287 | if (!ieee80211_sdata_running(sdata)) |
| 288 | return -ENOTCONN; |
| 289 | |
| 290 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100); |
| 291 | if (!skb) |
| 292 | return -ENOMEM; |
| 293 | skb_reserve(skb, local->hw.extra_tx_headroom); |
| 294 | |
| 295 | hdr = (struct ieee80211_hdr *) skb_put(skb, 24); |
| 296 | memset(hdr, 0, 24); |
| 297 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA); |
| 298 | |
| 299 | switch (sdata->vif.type) { |
| 300 | case NL80211_IFTYPE_AP: |
| 301 | fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); |
| 302 | /* DA BSSID SA */ |
| 303 | memcpy(hdr->addr1, addr, ETH_ALEN); |
| 304 | memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); |
| 305 | memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN); |
| 306 | break; |
| 307 | case NL80211_IFTYPE_STATION: |
| 308 | fc |= cpu_to_le16(IEEE80211_FCTL_TODS); |
| 309 | /* BSSID SA DA */ |
| 310 | if (sdata->vif.bss_conf.bssid == NULL) { |
| 311 | dev_kfree_skb(skb); |
| 312 | return -ENOTCONN; |
| 313 | } |
| 314 | memcpy(hdr->addr1, sdata->vif.bss_conf.bssid, ETH_ALEN); |
| 315 | memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); |
| 316 | memcpy(hdr->addr3, addr, ETH_ALEN); |
| 317 | break; |
| 318 | default: |
| 319 | dev_kfree_skb(skb); |
| 320 | return -EOPNOTSUPP; |
| 321 | } |
| 322 | hdr->frame_control = fc; |
| 323 | |
| 324 | /* |
| 325 | * Add some length to the test frame to make it look bit more valid. |
| 326 | * The exact contents does not matter since the recipient is required |
| 327 | * to drop this because of the Michael MIC failure. |
| 328 | */ |
| 329 | memset(skb_put(skb, 50), 0, 50); |
| 330 | |
| 331 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE; |
| 332 | |
| 333 | ieee80211_tx_skb(sdata, skb); |
| 334 | |
| 335 | return buflen; |
| 336 | } |
| 337 | |
| 338 | __IEEE80211_IF_FILE_W(tkip_mic_test); |
| 339 | |
| 340 | static ssize_t ieee80211_if_fmt_uapsd_queues( |
| 341 | const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) |
| 342 | { |
| 343 | const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; |
| 344 | |
| 345 | return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues); |
| 346 | } |
| 347 | |
| 348 | static ssize_t ieee80211_if_parse_uapsd_queues( |
| 349 | struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) |
| 350 | { |
| 351 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; |
| 352 | u8 val; |
| 353 | int ret; |
| 354 | |
| 355 | ret = kstrtou8(buf, 0, &val); |
| 356 | if (ret) |
| 357 | return ret; |
| 358 | |
| 359 | if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) |
| 360 | return -ERANGE; |
| 361 | |
| 362 | ifmgd->uapsd_queues = val; |
| 363 | |
| 364 | return buflen; |
| 365 | } |
| 366 | __IEEE80211_IF_FILE_W(uapsd_queues); |
| 367 | |
| 368 | static ssize_t ieee80211_if_fmt_uapsd_max_sp_len( |
| 369 | const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) |
| 370 | { |
| 371 | const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; |
| 372 | |
| 373 | return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len); |
| 374 | } |
| 375 | |
| 376 | static ssize_t ieee80211_if_parse_uapsd_max_sp_len( |
| 377 | struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) |
| 378 | { |
| 379 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; |
| 380 | unsigned long val; |
| 381 | int ret; |
| 382 | |
| 383 | ret = kstrtoul(buf, 0, &val); |
| 384 | if (ret) |
| 385 | return -EINVAL; |
| 386 | |
| 387 | if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) |
| 388 | return -ERANGE; |
| 389 | |
| 390 | ifmgd->uapsd_max_sp_len = val; |
| 391 | |
| 392 | return buflen; |
| 393 | } |
| 394 | __IEEE80211_IF_FILE_W(uapsd_max_sp_len); |
| 395 | |
| 396 | /* AP attributes */ |
| 397 | IEEE80211_IF_FILE(num_sta_authorized, u.ap.num_sta_authorized, ATOMIC); |
| 398 | IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC); |
| 399 | IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC); |
| 400 | |
| 401 | static ssize_t ieee80211_if_fmt_num_buffered_multicast( |
| 402 | const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) |
| 403 | { |
| 404 | return scnprintf(buf, buflen, "%u\n", |
| 405 | skb_queue_len(&sdata->u.ap.ps_bc_buf)); |
| 406 | } |
| 407 | __IEEE80211_IF_FILE(num_buffered_multicast, NULL); |
| 408 | |
| 409 | /* IBSS attributes */ |
| 410 | static ssize_t ieee80211_if_fmt_tsf( |
| 411 | const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) |
| 412 | { |
| 413 | struct ieee80211_local *local = sdata->local; |
| 414 | u64 tsf; |
| 415 | |
| 416 | tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata); |
| 417 | |
| 418 | return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf); |
| 419 | } |
| 420 | |
| 421 | static ssize_t ieee80211_if_parse_tsf( |
| 422 | struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) |
| 423 | { |
| 424 | struct ieee80211_local *local = sdata->local; |
| 425 | unsigned long long tsf; |
| 426 | int ret; |
| 427 | |
| 428 | if (strncmp(buf, "reset", 5) == 0) { |
| 429 | if (local->ops->reset_tsf) { |
| 430 | drv_reset_tsf(local, sdata); |
| 431 | wiphy_info(local->hw.wiphy, "debugfs reset TSF\n"); |
| 432 | } |
| 433 | } else { |
| 434 | ret = kstrtoull(buf, 10, &tsf); |
| 435 | if (ret < 0) |
| 436 | return -EINVAL; |
| 437 | if (local->ops->set_tsf) { |
| 438 | drv_set_tsf(local, sdata, tsf); |
| 439 | wiphy_info(local->hw.wiphy, |
| 440 | "debugfs set TSF to %#018llx\n", tsf); |
| 441 | } |
| 442 | } |
| 443 | |
| 444 | return buflen; |
| 445 | } |
| 446 | __IEEE80211_IF_FILE_W(tsf); |
| 447 | |
| 448 | |
| 449 | /* WDS attributes */ |
| 450 | IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC); |
| 451 | |
| 452 | #ifdef CONFIG_MAC80211_MESH |
| 453 | /* Mesh stats attributes */ |
| 454 | IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC); |
| 455 | IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC); |
| 456 | IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC); |
| 457 | IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC); |
| 458 | IEEE80211_IF_FILE(dropped_frames_congestion, |
| 459 | u.mesh.mshstats.dropped_frames_congestion, DEC); |
| 460 | IEEE80211_IF_FILE(dropped_frames_no_route, |
| 461 | u.mesh.mshstats.dropped_frames_no_route, DEC); |
| 462 | IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC); |
| 463 | |
| 464 | /* Mesh parameters */ |
| 465 | IEEE80211_IF_FILE(dot11MeshMaxRetries, |
| 466 | u.mesh.mshcfg.dot11MeshMaxRetries, DEC); |
| 467 | IEEE80211_IF_FILE(dot11MeshRetryTimeout, |
| 468 | u.mesh.mshcfg.dot11MeshRetryTimeout, DEC); |
| 469 | IEEE80211_IF_FILE(dot11MeshConfirmTimeout, |
| 470 | u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC); |
| 471 | IEEE80211_IF_FILE(dot11MeshHoldingTimeout, |
| 472 | u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC); |
| 473 | IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC); |
| 474 | IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC); |
| 475 | IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC); |
| 476 | IEEE80211_IF_FILE(dot11MeshMaxPeerLinks, |
| 477 | u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC); |
| 478 | IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout, |
| 479 | u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC); |
| 480 | IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval, |
| 481 | u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC); |
| 482 | IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval, |
| 483 | u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC); |
| 484 | IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime, |
| 485 | u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC); |
| 486 | IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries, |
| 487 | u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC); |
| 488 | IEEE80211_IF_FILE(path_refresh_time, |
| 489 | u.mesh.mshcfg.path_refresh_time, DEC); |
| 490 | IEEE80211_IF_FILE(min_discovery_timeout, |
| 491 | u.mesh.mshcfg.min_discovery_timeout, DEC); |
| 492 | IEEE80211_IF_FILE(dot11MeshHWMPRootMode, |
| 493 | u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC); |
| 494 | IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol, |
| 495 | u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC); |
| 496 | IEEE80211_IF_FILE(dot11MeshHWMPRannInterval, |
| 497 | u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC); |
| 498 | IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC); |
| 499 | IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC); |
| 500 | #endif |
| 501 | |
| 502 | |
| 503 | #define DEBUGFS_ADD(name) \ |
| 504 | debugfs_create_file(#name, 0400, sdata->debugfs.dir, \ |
| 505 | sdata, &name##_ops); |
| 506 | |
| 507 | #define DEBUGFS_ADD_MODE(name, mode) \ |
| 508 | debugfs_create_file(#name, mode, sdata->debugfs.dir, \ |
| 509 | sdata, &name##_ops); |
| 510 | |
| 511 | static void add_sta_files(struct ieee80211_sub_if_data *sdata) |
| 512 | { |
| 513 | DEBUGFS_ADD(drop_unencrypted); |
| 514 | DEBUGFS_ADD(flags); |
| 515 | DEBUGFS_ADD(state); |
| 516 | DEBUGFS_ADD(channel_type); |
| 517 | DEBUGFS_ADD(rc_rateidx_mask_2ghz); |
| 518 | DEBUGFS_ADD(rc_rateidx_mask_5ghz); |
| 519 | DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); |
| 520 | DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); |
| 521 | |
| 522 | DEBUGFS_ADD(bssid); |
| 523 | DEBUGFS_ADD(aid); |
| 524 | DEBUGFS_ADD(last_beacon); |
| 525 | DEBUGFS_ADD(ave_beacon); |
| 526 | DEBUGFS_ADD_MODE(smps, 0600); |
| 527 | DEBUGFS_ADD_MODE(tkip_mic_test, 0200); |
| 528 | DEBUGFS_ADD_MODE(uapsd_queues, 0600); |
| 529 | DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600); |
| 530 | } |
| 531 | |
| 532 | static void add_ap_files(struct ieee80211_sub_if_data *sdata) |
| 533 | { |
| 534 | DEBUGFS_ADD(drop_unencrypted); |
| 535 | DEBUGFS_ADD(flags); |
| 536 | DEBUGFS_ADD(state); |
| 537 | DEBUGFS_ADD(channel_type); |
| 538 | DEBUGFS_ADD(rc_rateidx_mask_2ghz); |
| 539 | DEBUGFS_ADD(rc_rateidx_mask_5ghz); |
| 540 | DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); |
| 541 | DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); |
| 542 | |
| 543 | DEBUGFS_ADD(num_sta_authorized); |
| 544 | DEBUGFS_ADD(num_sta_ps); |
| 545 | DEBUGFS_ADD(dtim_count); |
| 546 | DEBUGFS_ADD(num_buffered_multicast); |
| 547 | DEBUGFS_ADD_MODE(tkip_mic_test, 0200); |
| 548 | } |
| 549 | |
| 550 | static void add_ibss_files(struct ieee80211_sub_if_data *sdata) |
| 551 | { |
| 552 | DEBUGFS_ADD(channel_type); |
| 553 | DEBUGFS_ADD(rc_rateidx_mask_2ghz); |
| 554 | DEBUGFS_ADD(rc_rateidx_mask_5ghz); |
| 555 | DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); |
| 556 | DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); |
| 557 | |
| 558 | DEBUGFS_ADD_MODE(tsf, 0600); |
| 559 | } |
| 560 | |
| 561 | static void add_wds_files(struct ieee80211_sub_if_data *sdata) |
| 562 | { |
| 563 | DEBUGFS_ADD(drop_unencrypted); |
| 564 | DEBUGFS_ADD(flags); |
| 565 | DEBUGFS_ADD(state); |
| 566 | DEBUGFS_ADD(channel_type); |
| 567 | DEBUGFS_ADD(rc_rateidx_mask_2ghz); |
| 568 | DEBUGFS_ADD(rc_rateidx_mask_5ghz); |
| 569 | DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); |
| 570 | DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); |
| 571 | |
| 572 | DEBUGFS_ADD(peer); |
| 573 | } |
| 574 | |
| 575 | static void add_vlan_files(struct ieee80211_sub_if_data *sdata) |
| 576 | { |
| 577 | DEBUGFS_ADD(drop_unencrypted); |
| 578 | DEBUGFS_ADD(flags); |
| 579 | DEBUGFS_ADD(state); |
| 580 | DEBUGFS_ADD(channel_type); |
| 581 | DEBUGFS_ADD(rc_rateidx_mask_2ghz); |
| 582 | DEBUGFS_ADD(rc_rateidx_mask_5ghz); |
| 583 | DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); |
| 584 | DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); |
| 585 | } |
| 586 | |
| 587 | static void add_monitor_files(struct ieee80211_sub_if_data *sdata) |
| 588 | { |
| 589 | DEBUGFS_ADD(flags); |
| 590 | DEBUGFS_ADD(state); |
| 591 | DEBUGFS_ADD(channel_type); |
| 592 | } |
| 593 | |
| 594 | #ifdef CONFIG_MAC80211_MESH |
| 595 | |
| 596 | static void add_mesh_files(struct ieee80211_sub_if_data *sdata) |
| 597 | { |
| 598 | DEBUGFS_ADD_MODE(tsf, 0600); |
| 599 | } |
| 600 | |
| 601 | static void add_mesh_stats(struct ieee80211_sub_if_data *sdata) |
| 602 | { |
| 603 | struct dentry *dir = debugfs_create_dir("mesh_stats", |
| 604 | sdata->debugfs.dir); |
| 605 | #define MESHSTATS_ADD(name)\ |
| 606 | debugfs_create_file(#name, 0400, dir, sdata, &name##_ops); |
| 607 | |
| 608 | MESHSTATS_ADD(fwded_mcast); |
| 609 | MESHSTATS_ADD(fwded_unicast); |
| 610 | MESHSTATS_ADD(fwded_frames); |
| 611 | MESHSTATS_ADD(dropped_frames_ttl); |
| 612 | MESHSTATS_ADD(dropped_frames_no_route); |
| 613 | MESHSTATS_ADD(dropped_frames_congestion); |
| 614 | MESHSTATS_ADD(estab_plinks); |
| 615 | #undef MESHSTATS_ADD |
| 616 | } |
| 617 | |
| 618 | static void add_mesh_config(struct ieee80211_sub_if_data *sdata) |
| 619 | { |
| 620 | struct dentry *dir = debugfs_create_dir("mesh_config", |
| 621 | sdata->debugfs.dir); |
| 622 | |
| 623 | #define MESHPARAMS_ADD(name) \ |
| 624 | debugfs_create_file(#name, 0600, dir, sdata, &name##_ops); |
| 625 | |
| 626 | MESHPARAMS_ADD(dot11MeshMaxRetries); |
| 627 | MESHPARAMS_ADD(dot11MeshRetryTimeout); |
| 628 | MESHPARAMS_ADD(dot11MeshConfirmTimeout); |
| 629 | MESHPARAMS_ADD(dot11MeshHoldingTimeout); |
| 630 | MESHPARAMS_ADD(dot11MeshTTL); |
| 631 | MESHPARAMS_ADD(element_ttl); |
| 632 | MESHPARAMS_ADD(auto_open_plinks); |
| 633 | MESHPARAMS_ADD(dot11MeshMaxPeerLinks); |
| 634 | MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout); |
| 635 | MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval); |
| 636 | MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval); |
| 637 | MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime); |
| 638 | MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries); |
| 639 | MESHPARAMS_ADD(path_refresh_time); |
| 640 | MESHPARAMS_ADD(min_discovery_timeout); |
| 641 | MESHPARAMS_ADD(dot11MeshHWMPRootMode); |
| 642 | MESHPARAMS_ADD(dot11MeshHWMPRannInterval); |
| 643 | MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol); |
| 644 | MESHPARAMS_ADD(rssi_threshold); |
| 645 | #undef MESHPARAMS_ADD |
| 646 | } |
| 647 | #endif |
| 648 | |
| 649 | static void add_files(struct ieee80211_sub_if_data *sdata) |
| 650 | { |
| 651 | if (!sdata->debugfs.dir) |
| 652 | return; |
| 653 | |
| 654 | switch (sdata->vif.type) { |
| 655 | case NL80211_IFTYPE_MESH_POINT: |
| 656 | #ifdef CONFIG_MAC80211_MESH |
| 657 | add_mesh_files(sdata); |
| 658 | add_mesh_stats(sdata); |
| 659 | add_mesh_config(sdata); |
| 660 | #endif |
| 661 | break; |
| 662 | case NL80211_IFTYPE_STATION: |
| 663 | add_sta_files(sdata); |
| 664 | break; |
| 665 | case NL80211_IFTYPE_ADHOC: |
| 666 | add_ibss_files(sdata); |
| 667 | break; |
| 668 | case NL80211_IFTYPE_AP: |
| 669 | add_ap_files(sdata); |
| 670 | break; |
| 671 | case NL80211_IFTYPE_WDS: |
| 672 | add_wds_files(sdata); |
| 673 | break; |
| 674 | case NL80211_IFTYPE_MONITOR: |
| 675 | add_monitor_files(sdata); |
| 676 | break; |
| 677 | case NL80211_IFTYPE_AP_VLAN: |
| 678 | add_vlan_files(sdata); |
| 679 | break; |
| 680 | default: |
| 681 | break; |
| 682 | } |
| 683 | } |
| 684 | |
| 685 | void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata) |
| 686 | { |
| 687 | char buf[10+IFNAMSIZ]; |
| 688 | |
| 689 | sprintf(buf, "netdev:%s", sdata->name); |
| 690 | sdata->debugfs.dir = debugfs_create_dir(buf, |
| 691 | sdata->local->hw.wiphy->debugfsdir); |
| 692 | if (sdata->debugfs.dir) |
| 693 | sdata->debugfs.subdir_stations = debugfs_create_dir("stations", |
| 694 | sdata->debugfs.dir); |
| 695 | add_files(sdata); |
| 696 | } |
| 697 | |
| 698 | void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) |
| 699 | { |
| 700 | if (!sdata->debugfs.dir) |
| 701 | return; |
| 702 | |
| 703 | debugfs_remove_recursive(sdata->debugfs.dir); |
| 704 | sdata->debugfs.dir = NULL; |
| 705 | } |
| 706 | |
| 707 | void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata) |
| 708 | { |
| 709 | struct dentry *dir; |
| 710 | char buf[10 + IFNAMSIZ]; |
| 711 | |
| 712 | dir = sdata->debugfs.dir; |
| 713 | |
| 714 | if (!dir) |
| 715 | return; |
| 716 | |
| 717 | sprintf(buf, "netdev:%s", sdata->name); |
| 718 | if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf)) |
| 719 | printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs " |
| 720 | "dir to %s\n", buf); |
| 721 | } |