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00009 #include <linux/ieee80211.h>
00010 #include <linux/nl80211.h>
00011 #include <linux/rtnetlink.h>
00012 #include <linux/slab.h>
00013 #include <net/net_namespace.h>
00014 #include <linux/rcupdate.h>
00015 #include <linux/if_ether.h>
00016 #include <net/cfg80211.h>
00017 #include "ieee80211_i.h"
00018 #include "driver-ops.h"
00019 #include "cfg.h"
00020 #include "rate.h"
00021 #include "mesh.h"
00022
00023 static struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name,
00024 enum nl80211_iftype type,
00025 u32 *flags,
00026 struct vif_params *params)
00027 {
00028 struct ieee80211_local *local = wiphy_priv(wiphy);
00029 struct net_device *dev;
00030 struct ieee80211_sub_if_data *sdata;
00031 int err;
00032
00033 err = ieee80211_if_add(local, name, &dev, type, params);
00034 if (err)
00035 return ERR_PTR(err);
00036
00037 if (type == NL80211_IFTYPE_MONITOR && flags) {
00038 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
00039 sdata->u.mntr_flags = *flags;
00040 }
00041
00042 return dev;
00043 }
00044
00045 static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
00046 {
00047 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
00048
00049 return 0;
00050 }
00051
00052 static int ieee80211_change_iface(struct wiphy *wiphy,
00053 struct net_device *dev,
00054 enum nl80211_iftype type, u32 *flags,
00055 struct vif_params *params)
00056 {
00057 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
00058 int ret;
00059
00060 ret = ieee80211_if_change_type(sdata, type);
00061 if (ret)
00062 return ret;
00063
00064 if (type == NL80211_IFTYPE_AP_VLAN &&
00065 params && params->use_4addr == 0)
00066 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
00067 else if (type == NL80211_IFTYPE_STATION &&
00068 params && params->use_4addr >= 0)
00069 sdata->u.mgd.use_4addr = params->use_4addr;
00070
00071 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
00072 struct ieee80211_local *local = sdata->local;
00073
00074 if (ieee80211_sdata_running(sdata)) {
00075
00076
00077
00078
00079
00080
00081
00082
00083 if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
00084 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
00085 return -EBUSY;
00086
00087 ieee80211_adjust_monitor_flags(sdata, -1);
00088 sdata->u.mntr_flags = *flags;
00089 ieee80211_adjust_monitor_flags(sdata, 1);
00090
00091 ieee80211_configure_filter(local);
00092 } else {
00093
00094
00095
00096
00097
00098 sdata->u.mntr_flags = *flags;
00099 }
00100 }
00101
00102 return 0;
00103 }
00104
00105 static int ieee80211_set_noack_map(struct wiphy *wiphy,
00106 struct net_device *dev,
00107 u16 noack_map)
00108 {
00109 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
00110
00111 sdata->noack_map = noack_map;
00112 return 0;
00113 }
00114
00115 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
00116 u8 key_idx, bool pairwise, const u8 *mac_addr,
00117 struct key_params *params)
00118 {
00119 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
00120 struct sta_info *sta = NULL;
00121 struct ieee80211_key *key;
00122 int err;
00123
00124 if (!ieee80211_sdata_running(sdata))
00125 return -ENETDOWN;
00126
00127
00128 switch (params->cipher) {
00129 case WLAN_CIPHER_SUITE_WEP40:
00130 case WLAN_CIPHER_SUITE_TKIP:
00131 case WLAN_CIPHER_SUITE_WEP104:
00132 if (IS_ERR(sdata->local->wep_tx_tfm))
00133 return -EINVAL;
00134 break;
00135 default:
00136 break;
00137 }
00138
00139 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
00140 params->key, params->seq_len, params->seq);
00141 if (IS_ERR(key))
00142 return PTR_ERR(key);
00143
00144 if (pairwise)
00145 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
00146
00147 mutex_lock(&sdata->local->sta_mtx);
00148
00149 if (mac_addr) {
00150 if (ieee80211_vif_is_mesh(&sdata->vif))
00151 sta = sta_info_get(sdata, mac_addr);
00152 else
00153 sta = sta_info_get_bss(sdata, mac_addr);
00154 if (!sta) {
00155 ieee80211_key_free(sdata->local, key);
00156 err = -ENOENT;
00157 goto out_unlock;
00158 }
00159 }
00160
00161 err = ieee80211_key_link(key, sdata, sta);
00162 if (err)
00163 ieee80211_key_free(sdata->local, key);
00164
00165 out_unlock:
00166 mutex_unlock(&sdata->local->sta_mtx);
00167
00168 return err;
00169 }
00170
00171 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
00172 u8 key_idx, bool pairwise, const u8 *mac_addr)
00173 {
00174 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
00175 struct ieee80211_local *local = sdata->local;
00176 struct sta_info *sta;
00177 struct ieee80211_key *key = NULL;
00178 int ret;
00179
00180 mutex_lock(&local->sta_mtx);
00181 mutex_lock(&local->key_mtx);
00182
00183 if (mac_addr) {
00184 ret = -ENOENT;
00185
00186 sta = sta_info_get_bss(sdata, mac_addr);
00187 if (!sta)
00188 goto out_unlock;
00189
00190 if (pairwise)
00191 key = key_mtx_dereference(local, sta->ptk);
00192 else
00193 key = key_mtx_dereference(local, sta->gtk[key_idx]);
00194 } else
00195 key = key_mtx_dereference(local, sdata->keys[key_idx]);
00196
00197 if (!key) {
00198 ret = -ENOENT;
00199 goto out_unlock;
00200 }
00201
00202 __ieee80211_key_free(key);
00203
00204 ret = 0;
00205 out_unlock:
00206 mutex_unlock(&local->key_mtx);
00207 mutex_unlock(&local->sta_mtx);
00208
00209 return ret;
00210 }
00211
00212 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
00213 u8 key_idx, bool pairwise, const u8 *mac_addr,
00214 void *cookie,
00215 void (*callback)(void *cookie,
00216 struct key_params *params))
00217 {
00218 struct ieee80211_sub_if_data *sdata;
00219 struct sta_info *sta = NULL;
00220 u8 seq[6] = {0};
00221 struct key_params params;
00222 struct ieee80211_key *key = NULL;
00223 u64 pn64;
00224 u32 iv32;
00225 u16 iv16;
00226 int err = -ENOENT;
00227
00228 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
00229
00230 rcu_read_lock();
00231
00232 if (mac_addr) {
00233 sta = sta_info_get_bss(sdata, mac_addr);
00234 if (!sta)
00235 goto out;
00236
00237 if (pairwise)
00238 key = rcu_dereference(sta->ptk);
00239 else if (key_idx < NUM_DEFAULT_KEYS)
00240 key = rcu_dereference(sta->gtk[key_idx]);
00241 } else
00242 key = rcu_dereference(sdata->keys[key_idx]);
00243
00244 if (!key)
00245 goto out;
00246
00247 memset(¶ms, 0, sizeof(params));
00248
00249 params.cipher = key->conf.cipher;
00250
00251 switch (key->conf.cipher) {
00252 case WLAN_CIPHER_SUITE_TKIP:
00253 iv32 = key->u.tkip.tx.iv32;
00254 iv16 = key->u.tkip.tx.iv16;
00255
00256 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
00257 drv_get_tkip_seq(sdata->local,
00258 key->conf.hw_key_idx,
00259 &iv32, &iv16);
00260
00261 seq[0] = iv16 & 0xff;
00262 seq[1] = (iv16 >> 8) & 0xff;
00263 seq[2] = iv32 & 0xff;
00264 seq[3] = (iv32 >> 8) & 0xff;
00265 seq[4] = (iv32 >> 16) & 0xff;
00266 seq[5] = (iv32 >> 24) & 0xff;
00267 params.seq = seq;
00268 params.seq_len = 6;
00269 break;
00270 case WLAN_CIPHER_SUITE_CCMP:
00271 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
00272 seq[0] = pn64;
00273 seq[1] = pn64 >> 8;
00274 seq[2] = pn64 >> 16;
00275 seq[3] = pn64 >> 24;
00276 seq[4] = pn64 >> 32;
00277 seq[5] = pn64 >> 40;
00278 params.seq = seq;
00279 params.seq_len = 6;
00280 break;
00281 case WLAN_CIPHER_SUITE_AES_CMAC:
00282 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
00283 seq[0] = pn64;
00284 seq[1] = pn64 >> 8;
00285 seq[2] = pn64 >> 16;
00286 seq[3] = pn64 >> 24;
00287 seq[4] = pn64 >> 32;
00288 seq[5] = pn64 >> 40;
00289 params.seq = seq;
00290 params.seq_len = 6;
00291 break;
00292 }
00293
00294 params.key = key->conf.key;
00295 params.key_len = key->conf.keylen;
00296
00297 callback(cookie, ¶ms);
00298 err = 0;
00299
00300 out:
00301 rcu_read_unlock();
00302 return err;
00303 }
00304
00305 static int ieee80211_config_default_key(struct wiphy *wiphy,
00306 struct net_device *dev,
00307 u8 key_idx, bool uni,
00308 bool multi)
00309 {
00310 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
00311
00312 ieee80211_set_default_key(sdata, key_idx, uni, multi);
00313
00314 return 0;
00315 }
00316
00317 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
00318 struct net_device *dev,
00319 u8 key_idx)
00320 {
00321 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
00322
00323 ieee80211_set_default_mgmt_key(sdata, key_idx);
00324
00325 return 0;
00326 }
00327
00328 static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx)
00329 {
00330 if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
00331 struct ieee80211_supported_band *sband;
00332 sband = sta->local->hw.wiphy->bands[
00333 sta->local->hw.conf.channel->band];
00334 rate->legacy = sband->bitrates[idx].bitrate;
00335 } else
00336 rate->mcs = idx;
00337 }
00338
00339 void sta_set_rate_info_tx(struct sta_info *sta,
00340 const struct ieee80211_tx_rate *rate,
00341 struct rate_info *rinfo)
00342 {
00343 rinfo->flags = 0;
00344 if (rate->flags & IEEE80211_TX_RC_MCS)
00345 rinfo->flags |= RATE_INFO_FLAGS_MCS;
00346 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
00347 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
00348 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
00349 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
00350 rate_idx_to_bitrate(rinfo, sta, rate->idx);
00351 }
00352
00353 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
00354 {
00355 struct ieee80211_sub_if_data *sdata = sta->sdata;
00356 struct timespec uptime;
00357
00358 sinfo->generation = sdata->local->sta_generation;
00359
00360 sinfo->filled = STATION_INFO_INACTIVE_TIME |
00361 STATION_INFO_RX_BYTES |
00362 STATION_INFO_TX_BYTES |
00363 STATION_INFO_RX_PACKETS |
00364 STATION_INFO_TX_PACKETS |
00365 STATION_INFO_TX_RETRIES |
00366 STATION_INFO_TX_FAILED |
00367 STATION_INFO_TX_BITRATE |
00368 STATION_INFO_RX_BITRATE |
00369 STATION_INFO_RX_DROP_MISC |
00370 STATION_INFO_BSS_PARAM |
00371 STATION_INFO_CONNECTED_TIME |
00372 STATION_INFO_STA_FLAGS |
00373 STATION_INFO_BEACON_LOSS_COUNT;
00374
00375 do_posix_clock_monotonic_gettime(&uptime);
00376 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
00377
00378 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
00379 sinfo->rx_bytes = sta->rx_bytes;
00380 sinfo->tx_bytes = sta->tx_bytes;
00381 sinfo->rx_packets = sta->rx_packets;
00382 sinfo->tx_packets = sta->tx_packets;
00383 sinfo->tx_retries = sta->tx_retry_count;
00384 sinfo->tx_failed = sta->tx_retry_failed;
00385 sinfo->rx_dropped_misc = sta->rx_dropped;
00386 sinfo->beacon_loss_count = sta->beacon_loss_count;
00387
00388 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
00389 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
00390 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
00391 sinfo->signal = (s8)sta->last_signal;
00392 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
00393 }
00394
00395 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
00396
00397 sinfo->rxrate.flags = 0;
00398 if (sta->last_rx_rate_flag & RX_FLAG_HT)
00399 sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS;
00400 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
00401 sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
00402 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
00403 sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
00404 rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx);
00405
00406 if (ieee80211_vif_is_mesh(&sdata->vif)) {
00407 #ifdef CONFIG_MAC80211_MESH
00408 sinfo->filled |= STATION_INFO_LLID |
00409 STATION_INFO_PLID |
00410 STATION_INFO_PLINK_STATE;
00411
00412 sinfo->llid = le16_to_cpu(sta->llid);
00413 sinfo->plid = le16_to_cpu(sta->plid);
00414 sinfo->plink_state = sta->plink_state;
00415 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
00416 sinfo->filled |= STATION_INFO_T_OFFSET;
00417 sinfo->t_offset = sta->t_offset;
00418 }
00419 #endif
00420 }
00421
00422 sinfo->bss_param.flags = 0;
00423 if (sdata->vif.bss_conf.use_cts_prot)
00424 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
00425 if (sdata->vif.bss_conf.use_short_preamble)
00426 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
00427 if (sdata->vif.bss_conf.use_short_slot)
00428 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
00429 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
00430 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
00431
00432 sinfo->sta_flags.set = 0;
00433 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
00434 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
00435 BIT(NL80211_STA_FLAG_WME) |
00436 BIT(NL80211_STA_FLAG_MFP) |
00437 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
00438 BIT(NL80211_STA_FLAG_TDLS_PEER);
00439 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
00440 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
00441 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
00442 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
00443 if (test_sta_flag(sta, WLAN_STA_WME))
00444 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
00445 if (test_sta_flag(sta, WLAN_STA_MFP))
00446 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
00447 if (test_sta_flag(sta, WLAN_STA_AUTH))
00448 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
00449 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
00450 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
00451 }
00452
00453 static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
00454 "rx_packets", "rx_bytes", "wep_weak_iv_count",
00455 "rx_duplicates", "rx_fragments", "rx_dropped",
00456 "tx_packets", "tx_bytes", "tx_fragments",
00457 "tx_filtered", "tx_retry_failed", "tx_retries",
00458 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
00459 "channel", "noise", "ch_time", "ch_time_busy",
00460 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
00461 };
00462 #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
00463
00464 static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
00465 struct net_device *dev,
00466 int sset)
00467 {
00468 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
00469 int rv = 0;
00470
00471 if (sset == ETH_SS_STATS)
00472 rv += STA_STATS_LEN;
00473
00474 rv += drv_get_et_sset_count(sdata, sset);
00475
00476 if (rv == 0)
00477 return -EOPNOTSUPP;
00478 return rv;
00479 }
00480
00481 static void ieee80211_get_et_stats(struct wiphy *wiphy,
00482 struct net_device *dev,
00483 struct ethtool_stats *stats,
00484 u64 *data)
00485 {
00486 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
00487 struct sta_info *sta;
00488 struct ieee80211_local *local = sdata->local;
00489 struct station_info sinfo;
00490 struct survey_info survey;
00491 int i, q;
00492 #define STA_STATS_SURVEY_LEN 7
00493
00494 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
00495
00496 #define ADD_STA_STATS(sta) \
00497 do { \
00498 data[i++] += sta->rx_packets; \
00499 data[i++] += sta->rx_bytes; \
00500 data[i++] += sta->wep_weak_iv_count; \
00501 data[i++] += sta->num_duplicates; \
00502 data[i++] += sta->rx_fragments; \
00503 data[i++] += sta->rx_dropped; \
00504 \
00505 data[i++] += sta->tx_packets; \
00506 data[i++] += sta->tx_bytes; \
00507 data[i++] += sta->tx_fragments; \
00508 data[i++] += sta->tx_filtered_count; \
00509 data[i++] += sta->tx_retry_failed; \
00510 data[i++] += sta->tx_retry_count; \
00511 data[i++] += sta->beacon_loss_count; \
00512 } while (0)
00513
00514
00515
00516
00517
00518
00519
00520 rcu_read_lock();
00521
00522 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
00523 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
00524
00525 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
00526 goto do_survey;
00527
00528 i = 0;
00529 ADD_STA_STATS(sta);
00530
00531 data[i++] = sta->sta_state;
00532
00533 sinfo.filled = 0;
00534 sta_set_sinfo(sta, &sinfo);
00535
00536 if (sinfo.filled & STATION_INFO_TX_BITRATE)
00537 data[i] = 100000 *
00538 cfg80211_calculate_bitrate(&sinfo.txrate);
00539 i++;
00540 if (sinfo.filled & STATION_INFO_RX_BITRATE)
00541 data[i] = 100000 *
00542 cfg80211_calculate_bitrate(&sinfo.rxrate);
00543 i++;
00544
00545 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
00546 data[i] = (u8)sinfo.signal_avg;
00547 i++;
00548 } else {
00549 list_for_each_entry_rcu(sta, &local->sta_list, list) {
00550
00551 if (sta->sdata->dev != dev)
00552 continue;
00553
00554 i = 0;
00555 ADD_STA_STATS(sta);
00556 }
00557 }
00558
00559 do_survey:
00560 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
00561
00562 q = 0;
00563 while (true) {
00564 survey.filled = 0;
00565 if (drv_get_survey(local, q, &survey) != 0) {
00566 survey.filled = 0;
00567 break;
00568 }
00569
00570 if (survey.channel &&
00571 (local->oper_channel->center_freq ==
00572 survey.channel->center_freq))
00573 break;
00574 q++;
00575 }
00576
00577 if (survey.filled)
00578 data[i++] = survey.channel->center_freq;
00579 else
00580 data[i++] = 0;
00581 if (survey.filled & SURVEY_INFO_NOISE_DBM)
00582 data[i++] = (u8)survey.noise;
00583 else
00584 data[i++] = -1LL;
00585 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
00586 data[i++] = survey.channel_time;
00587 else
00588 data[i++] = -1LL;
00589 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
00590 data[i++] = survey.channel_time_busy;
00591 else
00592 data[i++] = -1LL;
00593 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
00594 data[i++] = survey.channel_time_ext_busy;
00595 else
00596 data[i++] = -1LL;
00597 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
00598 data[i++] = survey.channel_time_rx;
00599 else
00600 data[i++] = -1LL;
00601 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
00602 data[i++] = survey.channel_time_tx;
00603 else
00604 data[i++] = -1LL;
00605
00606 rcu_read_unlock();
00607
00608 if (WARN_ON(i != STA_STATS_LEN))
00609 return;
00610
00611 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
00612 }
00613
00614 static void ieee80211_get_et_strings(struct wiphy *wiphy,
00615 struct net_device *dev,
00616 u32 sset, u8 *data)
00617 {
00618 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
00619 int sz_sta_stats = 0;
00620
00621 if (sset == ETH_SS_STATS) {
00622 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
00623 memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
00624 }
00625 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
00626 }
00627
00628 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
00629 int idx, u8 *mac, struct station_info *sinfo)
00630 {
00631 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
00632 struct sta_info *sta;
00633 int ret = -ENOENT;
00634
00635 rcu_read_lock();
00636
00637 sta = sta_info_get_by_idx(sdata, idx);
00638 if (sta) {
00639 ret = 0;
00640 memcpy(mac, sta->sta.addr, ETH_ALEN);
00641 sta_set_sinfo(sta, sinfo);
00642 }
00643
00644 rcu_read_unlock();
00645
00646 return ret;
00647 }
00648
00649 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
00650 int idx, struct survey_info *survey)
00651 {
00652 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
00653
00654 return drv_get_survey(local, idx, survey);
00655 }
00656
00657 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
00658 u8 *mac, struct station_info *sinfo)
00659 {
00660 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
00661 struct sta_info *sta;
00662 int ret = -ENOENT;
00663
00664 rcu_read_lock();
00665
00666 sta = sta_info_get_bss(sdata, mac);
00667 if (sta) {
00668 ret = 0;
00669 sta_set_sinfo(sta, sinfo);
00670 }
00671
00672 rcu_read_unlock();
00673
00674 return ret;
00675 }
00676
00677 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
00678 const u8 *resp, size_t resp_len)
00679 {
00680 struct sk_buff *new, *old;
00681
00682 if (!resp || !resp_len)
00683 return 1;
00684
00685 old = rtnl_dereference(sdata->u.ap.probe_resp);
00686
00687 new = dev_alloc_skb(resp_len);
00688 if (!new)
00689 return -ENOMEM;
00690
00691 memcpy(skb_put(new, resp_len), resp, resp_len);
00692
00693 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
00694 if (old) {
00695
00696 synchronize_rcu();
00697 dev_kfree_skb(old);
00698 }
00699
00700 return 0;
00701 }
00702
00703 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
00704 struct cfg80211_beacon_data *params)
00705 {
00706 struct beacon_data *new, *old;
00707 int new_head_len, new_tail_len;
00708 int size, err;
00709 u32 changed = BSS_CHANGED_BEACON;
00710
00711 old = rtnl_dereference(sdata->u.ap.beacon);
00712
00713
00714 if (!params->head && !old)
00715 return -EINVAL;
00716
00717
00718 if (params->head)
00719 new_head_len = params->head_len;
00720 else
00721 new_head_len = old->head_len;
00722
00723
00724 if (params->tail || !old)
00725
00726 new_tail_len = params->tail_len;
00727 else
00728 new_tail_len = old->tail_len;
00729
00730 size = sizeof(*new) + new_head_len + new_tail_len;
00731
00732 new = kzalloc(size, GFP_KERNEL);
00733 if (!new)
00734 return -ENOMEM;
00735
00736
00737
00738
00739
00740
00741
00742 new->head = ((u8 *) new) + sizeof(*new);
00743 new->tail = new->head + new_head_len;
00744 new->head_len = new_head_len;
00745 new->tail_len = new_tail_len;
00746
00747
00748 if (params->head)
00749 memcpy(new->head, params->head, new_head_len);
00750 else
00751 memcpy(new->head, old->head, new_head_len);
00752
00753
00754 if (params->tail)
00755 memcpy(new->tail, params->tail, new_tail_len);
00756 else
00757 if (old)
00758 memcpy(new->tail, old->tail, new_tail_len);
00759
00760 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
00761 params->probe_resp_len);
00762 if (err < 0)
00763 return err;
00764 if (err == 0)
00765 changed |= BSS_CHANGED_AP_PROBE_RESP;
00766
00767 rcu_assign_pointer(sdata->u.ap.beacon, new);
00768
00769 if (old)
00770 kfree_rcu(old, rcu_head);
00771
00772 return changed;
00773 }
00774
00775 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
00776 struct cfg80211_ap_settings *params)
00777 {
00778 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
00779 struct beacon_data *old;
00780 struct ieee80211_sub_if_data *vlan;
00781 u32 changed = BSS_CHANGED_BEACON_INT |
00782 BSS_CHANGED_BEACON_ENABLED |
00783 BSS_CHANGED_BEACON |
00784 BSS_CHANGED_SSID;
00785 int err;
00786
00787 old = rtnl_dereference(sdata->u.ap.beacon);
00788 if (old)
00789 return -EALREADY;
00790
00791
00792
00793
00794
00795 sdata->control_port_protocol = params->crypto.control_port_ethertype;
00796 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
00797 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
00798 vlan->control_port_protocol =
00799 params->crypto.control_port_ethertype;
00800 vlan->control_port_no_encrypt =
00801 params->crypto.control_port_no_encrypt;
00802 }
00803
00804 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
00805 sdata->vif.bss_conf.dtim_period = params->dtim_period;
00806
00807 sdata->vif.bss_conf.ssid_len = params->ssid_len;
00808 if (params->ssid_len)
00809 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
00810 params->ssid_len);
00811 sdata->vif.bss_conf.hidden_ssid =
00812 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
00813
00814 err = ieee80211_assign_beacon(sdata, ¶ms->beacon);
00815 if (err < 0)
00816 return err;
00817 changed |= err;
00818
00819 ieee80211_bss_info_change_notify(sdata, changed);
00820
00821 netif_carrier_on(dev);
00822 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
00823 netif_carrier_on(vlan->dev);
00824
00825 return 0;
00826 }
00827
00828 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
00829 struct cfg80211_beacon_data *params)
00830 {
00831 struct ieee80211_sub_if_data *sdata;
00832 struct beacon_data *old;
00833 int err;
00834
00835 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
00836
00837 old = rtnl_dereference(sdata->u.ap.beacon);
00838 if (!old)
00839 return -ENOENT;
00840
00841 err = ieee80211_assign_beacon(sdata, params);
00842 if (err < 0)
00843 return err;
00844 ieee80211_bss_info_change_notify(sdata, err);
00845 return 0;
00846 }
00847
00848 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
00849 {
00850 struct ieee80211_sub_if_data *sdata, *vlan;
00851 struct beacon_data *old;
00852
00853 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
00854
00855 old = rtnl_dereference(sdata->u.ap.beacon);
00856 if (!old)
00857 return -ENOENT;
00858
00859 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
00860 netif_carrier_off(vlan->dev);
00861 netif_carrier_off(dev);
00862
00863 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
00864
00865 kfree_rcu(old, rcu_head);
00866
00867 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
00868
00869 return 0;
00870 }
00871
00872
00873 struct iapp_layer2_update {
00874 u8 da[ETH_ALEN];
00875 u8 sa[ETH_ALEN];
00876 __be16 len;
00877 u8 dsap;
00878 u8 ssap;
00879 u8 control;
00880 u8 xid_info[3];
00881 } __packed;
00882
00883 static void ieee80211_send_layer2_update(struct sta_info *sta)
00884 {
00885 struct iapp_layer2_update *msg;
00886 struct sk_buff *skb;
00887
00888
00889
00890
00891 skb = dev_alloc_skb(sizeof(*msg));
00892 if (!skb)
00893 return;
00894 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
00895
00896
00897
00898
00899 memset(msg->da, 0xff, ETH_ALEN);
00900 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
00901 msg->len = htons(6);
00902 msg->dsap = 0;
00903 msg->ssap = 0x01;
00904 msg->control = 0xaf;
00905
00906 msg->xid_info[0] = 0x81;
00907 msg->xid_info[1] = 1;
00908 msg->xid_info[2] = 0;
00909
00910 skb->dev = sta->sdata->dev;
00911 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
00912 memset(skb->cb, 0, sizeof(skb->cb));
00913 netif_rx_ni(skb);
00914 }
00915
00916 static int sta_apply_parameters(struct ieee80211_local *local,
00917 struct sta_info *sta,
00918 struct station_parameters *params)
00919 {
00920 int ret = 0;
00921 u32 rates;
00922 int i, j;
00923 struct ieee80211_supported_band *sband;
00924 struct ieee80211_sub_if_data *sdata = sta->sdata;
00925 u32 mask, set;
00926
00927 sband = local->hw.wiphy->bands[local->oper_channel->band];
00928
00929 mask = params->sta_flags_mask;
00930 set = params->sta_flags_set;
00931
00932
00933
00934
00935
00936
00937 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
00938
00939 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
00940 return -EINVAL;
00941
00942 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
00943 !test_sta_flag(sta, WLAN_STA_AUTH)) {
00944 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
00945 if (ret)
00946 return ret;
00947 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
00948 if (ret)
00949 return ret;
00950 }
00951 }
00952
00953 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
00954 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
00955 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
00956 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
00957 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
00958 if (ret)
00959 return ret;
00960 }
00961
00962 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
00963
00964 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
00965 return -EINVAL;
00966
00967 if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
00968 test_sta_flag(sta, WLAN_STA_AUTH)) {
00969 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
00970 if (ret)
00971 return ret;
00972 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
00973 if (ret)
00974 return ret;
00975 }
00976 }
00977
00978
00979 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
00980 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
00981 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
00982 else
00983 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
00984 }
00985
00986 if (mask & BIT(NL80211_STA_FLAG_WME)) {
00987 if (set & BIT(NL80211_STA_FLAG_WME)) {
00988 set_sta_flag(sta, WLAN_STA_WME);
00989 sta->sta.wme = true;
00990 } else {
00991 clear_sta_flag(sta, WLAN_STA_WME);
00992 sta->sta.wme = false;
00993 }
00994 }
00995
00996 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
00997 if (set & BIT(NL80211_STA_FLAG_MFP))
00998 set_sta_flag(sta, WLAN_STA_MFP);
00999 else
01000 clear_sta_flag(sta, WLAN_STA_MFP);
01001 }
01002
01003 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
01004 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
01005 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
01006 else
01007 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
01008 }
01009
01010 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
01011 sta->sta.uapsd_queues = params->uapsd_queues;
01012 sta->sta.max_sp = params->max_sp;
01013 }
01014
01015
01016
01017
01018
01019 if (params->aid)
01020 sta->sta.aid = params->aid;
01021
01022
01023
01024
01025
01026
01027
01028
01029 if (params->listen_interval >= 0)
01030 sta->listen_interval = params->listen_interval;
01031
01032 if (params->supported_rates) {
01033 rates = 0;
01034
01035 for (i = 0; i < params->supported_rates_len; i++) {
01036 int rate = (params->supported_rates[i] & 0x7f) * 5;
01037 for (j = 0; j < sband->n_bitrates; j++) {
01038 if (sband->bitrates[j].bitrate == rate)
01039 rates |= BIT(j);
01040 }
01041 }
01042 sta->sta.supp_rates[local->oper_channel->band] = rates;
01043 }
01044
01045 if (params->ht_capa)
01046 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
01047 params->ht_capa,
01048 &sta->sta.ht_cap);
01049
01050 if (ieee80211_vif_is_mesh(&sdata->vif)) {
01051 #ifdef CONFIG_MAC80211_MESH
01052 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
01053 switch (params->plink_state) {
01054 case NL80211_PLINK_LISTEN:
01055 case NL80211_PLINK_ESTAB:
01056 case NL80211_PLINK_BLOCKED:
01057 sta->plink_state = params->plink_state;
01058 break;
01059 default:
01060
01061 break;
01062 }
01063 else
01064 switch (params->plink_action) {
01065 case PLINK_ACTION_OPEN:
01066 mesh_plink_open(sta);
01067 break;
01068 case PLINK_ACTION_BLOCK:
01069 mesh_plink_block(sta);
01070 break;
01071 }
01072 #endif
01073 }
01074
01075 return 0;
01076 }
01077
01078 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
01079 u8 *mac, struct station_parameters *params)
01080 {
01081 struct ieee80211_local *local = wiphy_priv(wiphy);
01082 struct sta_info *sta;
01083 struct ieee80211_sub_if_data *sdata;
01084 int err;
01085 int layer2_update;
01086
01087 if (params->vlan) {
01088 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
01089
01090 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
01091 sdata->vif.type != NL80211_IFTYPE_AP)
01092 return -EINVAL;
01093 } else
01094 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01095
01096 if (ether_addr_equal(mac, sdata->vif.addr))
01097 return -EINVAL;
01098
01099 if (is_multicast_ether_addr(mac))
01100 return -EINVAL;
01101
01102 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
01103 if (!sta)
01104 return -ENOMEM;
01105
01106 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
01107 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
01108
01109 err = sta_apply_parameters(local, sta, params);
01110 if (err) {
01111 sta_info_free(local, sta);
01112 return err;
01113 }
01114
01115
01116
01117
01118
01119 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
01120 rate_control_rate_init(sta);
01121
01122 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
01123 sdata->vif.type == NL80211_IFTYPE_AP;
01124
01125 err = sta_info_insert_rcu(sta);
01126 if (err) {
01127 rcu_read_unlock();
01128 return err;
01129 }
01130
01131 if (layer2_update)
01132 ieee80211_send_layer2_update(sta);
01133
01134 rcu_read_unlock();
01135
01136 return 0;
01137 }
01138
01139 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
01140 u8 *mac)
01141 {
01142 struct ieee80211_local *local = wiphy_priv(wiphy);
01143 struct ieee80211_sub_if_data *sdata;
01144
01145 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01146
01147 if (mac)
01148 return sta_info_destroy_addr_bss(sdata, mac);
01149
01150 sta_info_flush(local, sdata);
01151 return 0;
01152 }
01153
01154 static int ieee80211_change_station(struct wiphy *wiphy,
01155 struct net_device *dev,
01156 u8 *mac,
01157 struct station_parameters *params)
01158 {
01159 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01160 struct ieee80211_local *local = wiphy_priv(wiphy);
01161 struct sta_info *sta;
01162 struct ieee80211_sub_if_data *vlansdata;
01163 int err;
01164
01165 mutex_lock(&local->sta_mtx);
01166
01167 sta = sta_info_get_bss(sdata, mac);
01168 if (!sta) {
01169 mutex_unlock(&local->sta_mtx);
01170 return -ENOENT;
01171 }
01172
01173
01174 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
01175 params->supported_rates &&
01176 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
01177 mutex_unlock(&local->sta_mtx);
01178 return -EINVAL;
01179 }
01180
01181 if (params->vlan && params->vlan != sta->sdata->dev) {
01182 bool prev_4addr = false;
01183 bool new_4addr = false;
01184
01185 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
01186
01187 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
01188 vlansdata->vif.type != NL80211_IFTYPE_AP) {
01189 mutex_unlock(&local->sta_mtx);
01190 return -EINVAL;
01191 }
01192
01193 if (params->vlan->ieee80211_ptr->use_4addr) {
01194 if (vlansdata->u.vlan.sta) {
01195 mutex_unlock(&local->sta_mtx);
01196 return -EBUSY;
01197 }
01198
01199 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
01200 new_4addr = true;
01201 }
01202
01203 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
01204 sta->sdata->u.vlan.sta) {
01205 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
01206 prev_4addr = true;
01207 }
01208
01209 sta->sdata = vlansdata;
01210
01211 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
01212 prev_4addr != new_4addr) {
01213 if (new_4addr)
01214 atomic_dec(&sta->sdata->bss->num_mcast_sta);
01215 else
01216 atomic_inc(&sta->sdata->bss->num_mcast_sta);
01217 }
01218
01219 ieee80211_send_layer2_update(sta);
01220 }
01221
01222 err = sta_apply_parameters(local, sta, params);
01223 if (err) {
01224 mutex_unlock(&local->sta_mtx);
01225 return err;
01226 }
01227
01228 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
01229 rate_control_rate_init(sta);
01230
01231 mutex_unlock(&local->sta_mtx);
01232
01233 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
01234 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
01235 ieee80211_recalc_ps(local, -1);
01236
01237 return 0;
01238 }
01239
01240 #ifdef CONFIG_MAC80211_MESH
01241 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
01242 u8 *dst, u8 *next_hop)
01243 {
01244 struct ieee80211_sub_if_data *sdata;
01245 struct mesh_path *mpath;
01246 struct sta_info *sta;
01247 int err;
01248
01249 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01250
01251 rcu_read_lock();
01252 sta = sta_info_get(sdata, next_hop);
01253 if (!sta) {
01254 rcu_read_unlock();
01255 return -ENOENT;
01256 }
01257
01258 err = mesh_path_add(dst, sdata);
01259 if (err) {
01260 rcu_read_unlock();
01261 return err;
01262 }
01263
01264 mpath = mesh_path_lookup(dst, sdata);
01265 if (!mpath) {
01266 rcu_read_unlock();
01267 return -ENXIO;
01268 }
01269 mesh_path_fix_nexthop(mpath, sta);
01270
01271 rcu_read_unlock();
01272 return 0;
01273 }
01274
01275 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
01276 u8 *dst)
01277 {
01278 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01279
01280 if (dst)
01281 return mesh_path_del(dst, sdata);
01282
01283 mesh_path_flush_by_iface(sdata);
01284 return 0;
01285 }
01286
01287 static int ieee80211_change_mpath(struct wiphy *wiphy,
01288 struct net_device *dev,
01289 u8 *dst, u8 *next_hop)
01290 {
01291 struct ieee80211_sub_if_data *sdata;
01292 struct mesh_path *mpath;
01293 struct sta_info *sta;
01294
01295 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01296
01297 rcu_read_lock();
01298
01299 sta = sta_info_get(sdata, next_hop);
01300 if (!sta) {
01301 rcu_read_unlock();
01302 return -ENOENT;
01303 }
01304
01305 mpath = mesh_path_lookup(dst, sdata);
01306 if (!mpath) {
01307 rcu_read_unlock();
01308 return -ENOENT;
01309 }
01310
01311 mesh_path_fix_nexthop(mpath, sta);
01312
01313 rcu_read_unlock();
01314 return 0;
01315 }
01316
01317 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
01318 struct mpath_info *pinfo)
01319 {
01320 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
01321
01322 if (next_hop_sta)
01323 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
01324 else
01325 memset(next_hop, 0, ETH_ALEN);
01326
01327 pinfo->generation = mesh_paths_generation;
01328
01329 pinfo->filled = MPATH_INFO_FRAME_QLEN |
01330 MPATH_INFO_SN |
01331 MPATH_INFO_METRIC |
01332 MPATH_INFO_EXPTIME |
01333 MPATH_INFO_DISCOVERY_TIMEOUT |
01334 MPATH_INFO_DISCOVERY_RETRIES |
01335 MPATH_INFO_FLAGS;
01336
01337 pinfo->frame_qlen = mpath->frame_queue.qlen;
01338 pinfo->sn = mpath->sn;
01339 pinfo->metric = mpath->metric;
01340 if (time_before(jiffies, mpath->exp_time))
01341 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
01342 pinfo->discovery_timeout =
01343 jiffies_to_msecs(mpath->discovery_timeout);
01344 pinfo->discovery_retries = mpath->discovery_retries;
01345 pinfo->flags = 0;
01346 if (mpath->flags & MESH_PATH_ACTIVE)
01347 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
01348 if (mpath->flags & MESH_PATH_RESOLVING)
01349 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
01350 if (mpath->flags & MESH_PATH_SN_VALID)
01351 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
01352 if (mpath->flags & MESH_PATH_FIXED)
01353 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
01354 if (mpath->flags & MESH_PATH_RESOLVING)
01355 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
01356
01357 pinfo->flags = mpath->flags;
01358 }
01359
01360 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
01361 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
01362
01363 {
01364 struct ieee80211_sub_if_data *sdata;
01365 struct mesh_path *mpath;
01366
01367 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01368
01369 rcu_read_lock();
01370 mpath = mesh_path_lookup(dst, sdata);
01371 if (!mpath) {
01372 rcu_read_unlock();
01373 return -ENOENT;
01374 }
01375 memcpy(dst, mpath->dst, ETH_ALEN);
01376 mpath_set_pinfo(mpath, next_hop, pinfo);
01377 rcu_read_unlock();
01378 return 0;
01379 }
01380
01381 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
01382 int idx, u8 *dst, u8 *next_hop,
01383 struct mpath_info *pinfo)
01384 {
01385 struct ieee80211_sub_if_data *sdata;
01386 struct mesh_path *mpath;
01387
01388 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01389
01390 rcu_read_lock();
01391 mpath = mesh_path_lookup_by_idx(idx, sdata);
01392 if (!mpath) {
01393 rcu_read_unlock();
01394 return -ENOENT;
01395 }
01396 memcpy(dst, mpath->dst, ETH_ALEN);
01397 mpath_set_pinfo(mpath, next_hop, pinfo);
01398 rcu_read_unlock();
01399 return 0;
01400 }
01401
01402 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
01403 struct net_device *dev,
01404 struct mesh_config *conf)
01405 {
01406 struct ieee80211_sub_if_data *sdata;
01407 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01408
01409 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
01410 return 0;
01411 }
01412
01413 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
01414 {
01415 return (mask >> (parm-1)) & 0x1;
01416 }
01417
01418 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
01419 const struct mesh_setup *setup)
01420 {
01421 u8 *new_ie;
01422 const u8 *old_ie;
01423 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
01424 struct ieee80211_sub_if_data, u.mesh);
01425
01426
01427 new_ie = NULL;
01428 old_ie = ifmsh->ie;
01429
01430 if (setup->ie_len) {
01431 new_ie = kmemdup(setup->ie, setup->ie_len,
01432 GFP_KERNEL);
01433 if (!new_ie)
01434 return -ENOMEM;
01435 }
01436 ifmsh->ie_len = setup->ie_len;
01437 ifmsh->ie = new_ie;
01438 kfree(old_ie);
01439
01440
01441 ifmsh->mesh_id_len = setup->mesh_id_len;
01442 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
01443 ifmsh->mesh_sp_id = setup->sync_method;
01444 ifmsh->mesh_pp_id = setup->path_sel_proto;
01445 ifmsh->mesh_pm_id = setup->path_metric;
01446 ifmsh->security = IEEE80211_MESH_SEC_NONE;
01447 if (setup->is_authenticated)
01448 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
01449 if (setup->is_secure)
01450 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
01451
01452
01453 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
01454 sizeof(setup->mcast_rate));
01455
01456 return 0;
01457 }
01458
01459 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
01460 struct net_device *dev, u32 mask,
01461 const struct mesh_config *nconf)
01462 {
01463 struct mesh_config *conf;
01464 struct ieee80211_sub_if_data *sdata;
01465 struct ieee80211_if_mesh *ifmsh;
01466
01467 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01468 ifmsh = &sdata->u.mesh;
01469
01470
01471 conf = &(sdata->u.mesh.mshcfg);
01472 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
01473 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
01474 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
01475 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
01476 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
01477 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
01478 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
01479 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
01480 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
01481 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
01482 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
01483 conf->dot11MeshTTL = nconf->dot11MeshTTL;
01484 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
01485 conf->dot11MeshTTL = nconf->element_ttl;
01486 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
01487 conf->auto_open_plinks = nconf->auto_open_plinks;
01488 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
01489 conf->dot11MeshNbrOffsetMaxNeighbor =
01490 nconf->dot11MeshNbrOffsetMaxNeighbor;
01491 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
01492 conf->dot11MeshHWMPmaxPREQretries =
01493 nconf->dot11MeshHWMPmaxPREQretries;
01494 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
01495 conf->path_refresh_time = nconf->path_refresh_time;
01496 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
01497 conf->min_discovery_timeout = nconf->min_discovery_timeout;
01498 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
01499 conf->dot11MeshHWMPactivePathTimeout =
01500 nconf->dot11MeshHWMPactivePathTimeout;
01501 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
01502 conf->dot11MeshHWMPpreqMinInterval =
01503 nconf->dot11MeshHWMPpreqMinInterval;
01504 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
01505 conf->dot11MeshHWMPperrMinInterval =
01506 nconf->dot11MeshHWMPperrMinInterval;
01507 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
01508 mask))
01509 conf->dot11MeshHWMPnetDiameterTraversalTime =
01510 nconf->dot11MeshHWMPnetDiameterTraversalTime;
01511 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
01512 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
01513 ieee80211_mesh_root_setup(ifmsh);
01514 }
01515 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
01516
01517
01518
01519 if (nconf->dot11MeshGateAnnouncementProtocol &&
01520 !conf->dot11MeshHWMPRootMode) {
01521 conf->dot11MeshHWMPRootMode = 1;
01522 ieee80211_mesh_root_setup(ifmsh);
01523 }
01524 conf->dot11MeshGateAnnouncementProtocol =
01525 nconf->dot11MeshGateAnnouncementProtocol;
01526 }
01527 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) {
01528 conf->dot11MeshHWMPRannInterval =
01529 nconf->dot11MeshHWMPRannInterval;
01530 }
01531 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
01532 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
01533 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
01534
01535
01536
01537 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
01538 return -ENOTSUPP;
01539 conf->rssi_threshold = nconf->rssi_threshold;
01540 }
01541 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
01542 conf->ht_opmode = nconf->ht_opmode;
01543 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
01544 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
01545 }
01546 return 0;
01547 }
01548
01549 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
01550 const struct mesh_config *conf,
01551 const struct mesh_setup *setup)
01552 {
01553 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01554 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
01555 int err;
01556
01557 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
01558 err = copy_mesh_setup(ifmsh, setup);
01559 if (err)
01560 return err;
01561 ieee80211_start_mesh(sdata);
01562
01563 return 0;
01564 }
01565
01566 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
01567 {
01568 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01569
01570 ieee80211_stop_mesh(sdata);
01571
01572 return 0;
01573 }
01574 #endif
01575
01576 static int ieee80211_change_bss(struct wiphy *wiphy,
01577 struct net_device *dev,
01578 struct bss_parameters *params)
01579 {
01580 struct ieee80211_sub_if_data *sdata;
01581 u32 changed = 0;
01582
01583 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01584
01585 if (params->use_cts_prot >= 0) {
01586 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
01587 changed |= BSS_CHANGED_ERP_CTS_PROT;
01588 }
01589 if (params->use_short_preamble >= 0) {
01590 sdata->vif.bss_conf.use_short_preamble =
01591 params->use_short_preamble;
01592 changed |= BSS_CHANGED_ERP_PREAMBLE;
01593 }
01594
01595 if (!sdata->vif.bss_conf.use_short_slot &&
01596 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
01597 sdata->vif.bss_conf.use_short_slot = true;
01598 changed |= BSS_CHANGED_ERP_SLOT;
01599 }
01600
01601 if (params->use_short_slot_time >= 0) {
01602 sdata->vif.bss_conf.use_short_slot =
01603 params->use_short_slot_time;
01604 changed |= BSS_CHANGED_ERP_SLOT;
01605 }
01606
01607 if (params->basic_rates) {
01608 int i, j;
01609 u32 rates = 0;
01610 struct ieee80211_local *local = wiphy_priv(wiphy);
01611 struct ieee80211_supported_band *sband =
01612 wiphy->bands[local->oper_channel->band];
01613
01614 for (i = 0; i < params->basic_rates_len; i++) {
01615 int rate = (params->basic_rates[i] & 0x7f) * 5;
01616 for (j = 0; j < sband->n_bitrates; j++) {
01617 if (sband->bitrates[j].bitrate == rate)
01618 rates |= BIT(j);
01619 }
01620 }
01621 sdata->vif.bss_conf.basic_rates = rates;
01622 changed |= BSS_CHANGED_BASIC_RATES;
01623 }
01624
01625 if (params->ap_isolate >= 0) {
01626 if (params->ap_isolate)
01627 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
01628 else
01629 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
01630 }
01631
01632 if (params->ht_opmode >= 0) {
01633 sdata->vif.bss_conf.ht_operation_mode =
01634 (u16) params->ht_opmode;
01635 changed |= BSS_CHANGED_HT;
01636 }
01637
01638 ieee80211_bss_info_change_notify(sdata, changed);
01639
01640 return 0;
01641 }
01642
01643 static int ieee80211_set_txq_params(struct wiphy *wiphy,
01644 struct net_device *dev,
01645 struct ieee80211_txq_params *params)
01646 {
01647 struct ieee80211_local *local = wiphy_priv(wiphy);
01648 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01649 struct ieee80211_tx_queue_params p;
01650
01651 if (!local->ops->conf_tx)
01652 return -EOPNOTSUPP;
01653
01654 if (local->hw.queues < IEEE80211_NUM_ACS)
01655 return -EOPNOTSUPP;
01656
01657 memset(&p, 0, sizeof(p));
01658 p.aifs = params->aifs;
01659 p.cw_max = params->cwmax;
01660 p.cw_min = params->cwmin;
01661 p.txop = params->txop;
01662
01663
01664
01665
01666
01667 p.uapsd = false;
01668
01669 sdata->tx_conf[params->ac] = p;
01670 if (drv_conf_tx(local, sdata, params->ac, &p)) {
01671 wiphy_debug(local->hw.wiphy,
01672 "failed to set TX queue parameters for AC %d\n",
01673 params->ac);
01674 return -EINVAL;
01675 }
01676
01677 return 0;
01678 }
01679
01680 static int ieee80211_set_channel(struct wiphy *wiphy,
01681 struct net_device *netdev,
01682 struct ieee80211_channel *chan,
01683 enum nl80211_channel_type channel_type)
01684 {
01685 struct ieee80211_local *local = wiphy_priv(wiphy);
01686 struct ieee80211_sub_if_data *sdata = NULL;
01687 struct ieee80211_channel *old_oper;
01688 enum nl80211_channel_type old_oper_type;
01689 enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT;
01690
01691 if (netdev)
01692 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
01693
01694 switch (ieee80211_get_channel_mode(local, NULL)) {
01695 case CHAN_MODE_HOPPING:
01696 return -EBUSY;
01697 case CHAN_MODE_FIXED:
01698 if (local->oper_channel != chan)
01699 return -EBUSY;
01700 if (!sdata && local->_oper_channel_type == channel_type)
01701 return 0;
01702 break;
01703 case CHAN_MODE_UNDEFINED:
01704 break;
01705 }
01706
01707 if (sdata)
01708 old_vif_oper_type = sdata->vif.bss_conf.channel_type;
01709 old_oper_type = local->_oper_channel_type;
01710
01711 if (!ieee80211_set_channel_type(local, sdata, channel_type))
01712 return -EBUSY;
01713
01714 old_oper = local->oper_channel;
01715 local->oper_channel = chan;
01716
01717
01718 if ((old_oper != local->oper_channel) ||
01719 (old_oper_type != local->_oper_channel_type))
01720 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
01721
01722 if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR &&
01723 old_vif_oper_type != sdata->vif.bss_conf.channel_type)
01724 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
01725
01726 return 0;
01727 }
01728
01729 #ifdef CONFIG_PM
01730 static int ieee80211_suspend(struct wiphy *wiphy,
01731 struct cfg80211_wowlan *wowlan)
01732 {
01733 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
01734 }
01735
01736 static int ieee80211_resume(struct wiphy *wiphy)
01737 {
01738 return __ieee80211_resume(wiphy_priv(wiphy));
01739 }
01740 #else
01741 #define ieee80211_suspend NULL
01742 #define ieee80211_resume NULL
01743 #endif
01744
01745 static int ieee80211_scan(struct wiphy *wiphy,
01746 struct net_device *dev,
01747 struct cfg80211_scan_request *req)
01748 {
01749 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01750
01751 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
01752 case NL80211_IFTYPE_STATION:
01753 case NL80211_IFTYPE_ADHOC:
01754 case NL80211_IFTYPE_MESH_POINT:
01755 case NL80211_IFTYPE_P2P_CLIENT:
01756 break;
01757 case NL80211_IFTYPE_P2P_GO:
01758 if (sdata->local->ops->hw_scan)
01759 break;
01760
01761
01762
01763
01764
01765 case NL80211_IFTYPE_AP:
01766 if (sdata->u.ap.beacon)
01767 return -EOPNOTSUPP;
01768 break;
01769 default:
01770 return -EOPNOTSUPP;
01771 }
01772
01773 return ieee80211_request_scan(sdata, req);
01774 }
01775
01776 static int
01777 ieee80211_sched_scan_start(struct wiphy *wiphy,
01778 struct net_device *dev,
01779 struct cfg80211_sched_scan_request *req)
01780 {
01781 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01782
01783 if (!sdata->local->ops->sched_scan_start)
01784 return -EOPNOTSUPP;
01785
01786 return ieee80211_request_sched_scan_start(sdata, req);
01787 }
01788
01789 static int
01790 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
01791 {
01792 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01793
01794 if (!sdata->local->ops->sched_scan_stop)
01795 return -EOPNOTSUPP;
01796
01797 return ieee80211_request_sched_scan_stop(sdata);
01798 }
01799
01800 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
01801 struct cfg80211_auth_request *req)
01802 {
01803 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
01804 }
01805
01806 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
01807 struct cfg80211_assoc_request *req)
01808 {
01809 struct ieee80211_local *local = wiphy_priv(wiphy);
01810 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01811
01812 switch (ieee80211_get_channel_mode(local, sdata)) {
01813 case CHAN_MODE_HOPPING:
01814 return -EBUSY;
01815 case CHAN_MODE_FIXED:
01816 if (local->oper_channel == req->bss->channel)
01817 break;
01818 return -EBUSY;
01819 case CHAN_MODE_UNDEFINED:
01820 break;
01821 }
01822
01823 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
01824 }
01825
01826 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
01827 struct cfg80211_deauth_request *req)
01828 {
01829 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
01830 }
01831
01832 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
01833 struct cfg80211_disassoc_request *req)
01834 {
01835 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
01836 }
01837
01838 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
01839 struct cfg80211_ibss_params *params)
01840 {
01841 struct ieee80211_local *local = wiphy_priv(wiphy);
01842 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01843
01844 switch (ieee80211_get_channel_mode(local, sdata)) {
01845 case CHAN_MODE_HOPPING:
01846 return -EBUSY;
01847 case CHAN_MODE_FIXED:
01848 if (!params->channel_fixed)
01849 return -EBUSY;
01850 if (local->oper_channel == params->channel)
01851 break;
01852 return -EBUSY;
01853 case CHAN_MODE_UNDEFINED:
01854 break;
01855 }
01856
01857 return ieee80211_ibss_join(sdata, params);
01858 }
01859
01860 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
01861 {
01862 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01863
01864 return ieee80211_ibss_leave(sdata);
01865 }
01866
01867 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
01868 {
01869 struct ieee80211_local *local = wiphy_priv(wiphy);
01870 int err;
01871
01872 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
01873 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
01874
01875 if (err)
01876 return err;
01877 }
01878
01879 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
01880 err = drv_set_coverage_class(local, wiphy->coverage_class);
01881
01882 if (err)
01883 return err;
01884 }
01885
01886 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
01887 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
01888
01889 if (err)
01890 return err;
01891 }
01892
01893 if (changed & WIPHY_PARAM_RETRY_SHORT)
01894 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
01895 if (changed & WIPHY_PARAM_RETRY_LONG)
01896 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
01897 if (changed &
01898 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
01899 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
01900
01901 return 0;
01902 }
01903
01904 static int ieee80211_set_tx_power(struct wiphy *wiphy,
01905 enum nl80211_tx_power_setting type, int mbm)
01906 {
01907 struct ieee80211_local *local = wiphy_priv(wiphy);
01908 struct ieee80211_channel *chan = local->hw.conf.channel;
01909 u32 changes = 0;
01910
01911 switch (type) {
01912 case NL80211_TX_POWER_AUTOMATIC:
01913 local->user_power_level = -1;
01914 break;
01915 case NL80211_TX_POWER_LIMITED:
01916 if (mbm < 0 || (mbm % 100))
01917 return -EOPNOTSUPP;
01918 local->user_power_level = MBM_TO_DBM(mbm);
01919 break;
01920 case NL80211_TX_POWER_FIXED:
01921 if (mbm < 0 || (mbm % 100))
01922 return -EOPNOTSUPP;
01923
01924 if (MBM_TO_DBM(mbm) > chan->max_power)
01925 return -EINVAL;
01926 local->user_power_level = MBM_TO_DBM(mbm);
01927 break;
01928 }
01929
01930 ieee80211_hw_config(local, changes);
01931
01932 return 0;
01933 }
01934
01935 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
01936 {
01937 struct ieee80211_local *local = wiphy_priv(wiphy);
01938
01939 *dbm = local->hw.conf.power_level;
01940
01941 return 0;
01942 }
01943
01944 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
01945 const u8 *addr)
01946 {
01947 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
01948
01949 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
01950
01951 return 0;
01952 }
01953
01954 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
01955 {
01956 struct ieee80211_local *local = wiphy_priv(wiphy);
01957
01958 drv_rfkill_poll(local);
01959 }
01960
01961 #ifdef CONFIG_NL80211_TESTMODE
01962 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
01963 {
01964 struct ieee80211_local *local = wiphy_priv(wiphy);
01965
01966 if (!local->ops->testmode_cmd)
01967 return -EOPNOTSUPP;
01968
01969 return local->ops->testmode_cmd(&local->hw, data, len);
01970 }
01971
01972 static int ieee80211_testmode_dump(struct wiphy *wiphy,
01973 struct sk_buff *skb,
01974 struct netlink_callback *cb,
01975 void *data, int len)
01976 {
01977 struct ieee80211_local *local = wiphy_priv(wiphy);
01978
01979 if (!local->ops->testmode_dump)
01980 return -EOPNOTSUPP;
01981
01982 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
01983 }
01984 #endif
01985
01986 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
01987 enum ieee80211_smps_mode smps_mode)
01988 {
01989 const u8 *ap;
01990 enum ieee80211_smps_mode old_req;
01991 int err;
01992
01993 lockdep_assert_held(&sdata->u.mgd.mtx);
01994
01995 old_req = sdata->u.mgd.req_smps;
01996 sdata->u.mgd.req_smps = smps_mode;
01997
01998 if (old_req == smps_mode &&
01999 smps_mode != IEEE80211_SMPS_AUTOMATIC)
02000 return 0;
02001
02002
02003
02004
02005
02006 if (!sdata->u.mgd.associated ||
02007 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
02008 mutex_lock(&sdata->local->iflist_mtx);
02009 ieee80211_recalc_smps(sdata->local);
02010 mutex_unlock(&sdata->local->iflist_mtx);
02011 return 0;
02012 }
02013
02014 ap = sdata->u.mgd.associated->bssid;
02015
02016 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
02017 if (sdata->u.mgd.powersave)
02018 smps_mode = IEEE80211_SMPS_DYNAMIC;
02019 else
02020 smps_mode = IEEE80211_SMPS_OFF;
02021 }
02022
02023
02024 err = ieee80211_send_smps_action(sdata, smps_mode,
02025 ap, ap);
02026 if (err)
02027 sdata->u.mgd.req_smps = old_req;
02028
02029 return err;
02030 }
02031
02032 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
02033 bool enabled, int timeout)
02034 {
02035 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
02036 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
02037
02038 if (sdata->vif.type != NL80211_IFTYPE_STATION)
02039 return -EOPNOTSUPP;
02040
02041 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
02042 return -EOPNOTSUPP;
02043
02044 if (enabled == sdata->u.mgd.powersave &&
02045 timeout == local->dynamic_ps_forced_timeout)
02046 return 0;
02047
02048 sdata->u.mgd.powersave = enabled;
02049 local->dynamic_ps_forced_timeout = timeout;
02050
02051
02052 mutex_lock(&sdata->u.mgd.mtx);
02053 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
02054 mutex_unlock(&sdata->u.mgd.mtx);
02055
02056 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
02057 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
02058
02059 ieee80211_recalc_ps(local, -1);
02060
02061 return 0;
02062 }
02063
02064 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
02065 struct net_device *dev,
02066 s32 rssi_thold, u32 rssi_hyst)
02067 {
02068 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
02069 struct ieee80211_vif *vif = &sdata->vif;
02070 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
02071
02072 if (rssi_thold == bss_conf->cqm_rssi_thold &&
02073 rssi_hyst == bss_conf->cqm_rssi_hyst)
02074 return 0;
02075
02076 bss_conf->cqm_rssi_thold = rssi_thold;
02077 bss_conf->cqm_rssi_hyst = rssi_hyst;
02078
02079
02080 if (sdata->u.mgd.associated &&
02081 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
02082 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
02083
02084 return 0;
02085 }
02086
02087 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
02088 struct net_device *dev,
02089 const u8 *addr,
02090 const struct cfg80211_bitrate_mask *mask)
02091 {
02092 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
02093 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
02094 int i, ret;
02095
02096 if (!ieee80211_sdata_running(sdata))
02097 return -ENETDOWN;
02098
02099 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
02100 ret = drv_set_bitrate_mask(local, sdata, mask);
02101 if (ret)
02102 return ret;
02103 }
02104
02105 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
02106 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
02107 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
02108 sizeof(mask->control[i].mcs));
02109 }
02110
02111 return 0;
02112 }
02113
02114 static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local,
02115 struct net_device *dev,
02116 struct ieee80211_channel *chan,
02117 enum nl80211_channel_type chantype,
02118 unsigned int duration, u64 *cookie)
02119 {
02120 int ret;
02121 u32 random_cookie;
02122
02123 lockdep_assert_held(&local->mtx);
02124
02125 if (local->hw_roc_cookie)
02126 return -EBUSY;
02127
02128 random_cookie = random32() | 1;
02129
02130 *cookie = random_cookie;
02131 local->hw_roc_dev = dev;
02132 local->hw_roc_cookie = random_cookie;
02133 local->hw_roc_channel = chan;
02134 local->hw_roc_channel_type = chantype;
02135 local->hw_roc_duration = duration;
02136 ret = drv_remain_on_channel(local, chan, chantype, duration);
02137 if (ret) {
02138 local->hw_roc_channel = NULL;
02139 local->hw_roc_cookie = 0;
02140 }
02141
02142 return ret;
02143 }
02144
02145 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
02146 struct net_device *dev,
02147 struct ieee80211_channel *chan,
02148 enum nl80211_channel_type channel_type,
02149 unsigned int duration,
02150 u64 *cookie)
02151 {
02152 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
02153 struct ieee80211_local *local = sdata->local;
02154
02155 if (local->ops->remain_on_channel) {
02156 int ret;
02157
02158 mutex_lock(&local->mtx);
02159 ret = ieee80211_remain_on_channel_hw(local, dev,
02160 chan, channel_type,
02161 duration, cookie);
02162 local->hw_roc_for_tx = false;
02163 mutex_unlock(&local->mtx);
02164
02165 return ret;
02166 }
02167
02168 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
02169 duration, cookie);
02170 }
02171
02172 static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local,
02173 u64 cookie)
02174 {
02175 int ret;
02176
02177 lockdep_assert_held(&local->mtx);
02178
02179 if (local->hw_roc_cookie != cookie)
02180 return -ENOENT;
02181
02182 ret = drv_cancel_remain_on_channel(local);
02183 if (ret)
02184 return ret;
02185
02186 local->hw_roc_cookie = 0;
02187 local->hw_roc_channel = NULL;
02188
02189 ieee80211_recalc_idle(local);
02190
02191 return 0;
02192 }
02193
02194 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
02195 struct net_device *dev,
02196 u64 cookie)
02197 {
02198 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
02199 struct ieee80211_local *local = sdata->local;
02200
02201 if (local->ops->cancel_remain_on_channel) {
02202 int ret;
02203
02204 mutex_lock(&local->mtx);
02205 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
02206 mutex_unlock(&local->mtx);
02207
02208 return ret;
02209 }
02210
02211 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
02212 }
02213
02214 static enum work_done_result
02215 ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
02216 {
02217
02218
02219
02220
02221
02222
02223
02224
02225
02226
02227
02228 if (wk->offchan_tx.wait && !wk->offchan_tx.status)
02229 cfg80211_mgmt_tx_status(wk->sdata->dev,
02230 (unsigned long) wk->offchan_tx.frame,
02231 wk->data, wk->data_len, false, GFP_KERNEL);
02232
02233 return WORK_DONE_DESTROY;
02234 }
02235
02236 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
02237 struct ieee80211_channel *chan, bool offchan,
02238 enum nl80211_channel_type channel_type,
02239 bool channel_type_valid, unsigned int wait,
02240 const u8 *buf, size_t len, bool no_cck,
02241 bool dont_wait_for_ack, u64 *cookie)
02242 {
02243 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
02244 struct ieee80211_local *local = sdata->local;
02245 struct sk_buff *skb;
02246 struct sta_info *sta;
02247 struct ieee80211_work *wk;
02248 const struct ieee80211_mgmt *mgmt = (void *)buf;
02249 u32 flags;
02250 bool is_offchan = false;
02251
02252 if (dont_wait_for_ack)
02253 flags = IEEE80211_TX_CTL_NO_ACK;
02254 else
02255 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
02256 IEEE80211_TX_CTL_REQ_TX_STATUS;
02257
02258
02259 if (chan != local->tmp_channel &&
02260 chan != local->oper_channel)
02261 is_offchan = true;
02262 if (channel_type_valid &&
02263 (channel_type != local->tmp_channel_type &&
02264 channel_type != local->_oper_channel_type))
02265 is_offchan = true;
02266
02267 if (chan == local->hw_roc_channel) {
02268
02269 is_offchan = false;
02270 flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
02271 }
02272
02273 if (no_cck)
02274 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
02275
02276 if (is_offchan && !offchan)
02277 return -EBUSY;
02278
02279 switch (sdata->vif.type) {
02280 case NL80211_IFTYPE_ADHOC:
02281 case NL80211_IFTYPE_AP:
02282 case NL80211_IFTYPE_AP_VLAN:
02283 case NL80211_IFTYPE_P2P_GO:
02284 case NL80211_IFTYPE_MESH_POINT:
02285 if (!ieee80211_is_action(mgmt->frame_control) ||
02286 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
02287 break;
02288 rcu_read_lock();
02289 sta = sta_info_get(sdata, mgmt->da);
02290 rcu_read_unlock();
02291 if (!sta)
02292 return -ENOLINK;
02293 break;
02294 case NL80211_IFTYPE_STATION:
02295 case NL80211_IFTYPE_P2P_CLIENT:
02296 break;
02297 default:
02298 return -EOPNOTSUPP;
02299 }
02300
02301 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
02302 if (!skb)
02303 return -ENOMEM;
02304 skb_reserve(skb, local->hw.extra_tx_headroom);
02305
02306 memcpy(skb_put(skb, len), buf, len);
02307
02308 IEEE80211_SKB_CB(skb)->flags = flags;
02309
02310 if (flags & IEEE80211_TX_CTL_TX_OFFCHAN)
02311 IEEE80211_SKB_CB(skb)->hw_queue =
02312 local->hw.offchannel_tx_hw_queue;
02313
02314 skb->dev = sdata->dev;
02315
02316 *cookie = (unsigned long) skb;
02317
02318 if (is_offchan && local->ops->remain_on_channel) {
02319 unsigned int duration;
02320 int ret;
02321
02322 mutex_lock(&local->mtx);
02323
02324
02325
02326
02327
02328
02329
02330
02331
02332 duration = 100;
02333 if (wait)
02334 duration = wait;
02335 ret = ieee80211_remain_on_channel_hw(local, dev, chan,
02336 channel_type,
02337 duration, cookie);
02338 if (ret) {
02339 kfree_skb(skb);
02340 mutex_unlock(&local->mtx);
02341 return ret;
02342 }
02343
02344 local->hw_roc_for_tx = true;
02345 local->hw_roc_duration = wait;
02346
02347
02348
02349
02350
02351
02352
02353 *cookie ^= 2;
02354 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
02355 IEEE80211_SKB_CB(skb)->hw_queue =
02356 local->hw.offchannel_tx_hw_queue;
02357 local->hw_roc_skb = skb;
02358 local->hw_roc_skb_for_status = skb;
02359 mutex_unlock(&local->mtx);
02360
02361 return 0;
02362 }
02363
02364
02365
02366
02367
02368
02369
02370 if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
02371 ieee80211_tx_skb(sdata, skb);
02372 return 0;
02373 }
02374
02375 wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
02376 if (!wk) {
02377 kfree_skb(skb);
02378 return -ENOMEM;
02379 }
02380
02381 wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
02382 wk->chan = chan;
02383 wk->chan_type = channel_type;
02384 wk->sdata = sdata;
02385 wk->done = ieee80211_offchan_tx_done;
02386 wk->offchan_tx.frame = skb;
02387 wk->offchan_tx.wait = wait;
02388 wk->data_len = len;
02389 memcpy(wk->data, buf, len);
02390
02391 ieee80211_add_work(wk);
02392 return 0;
02393 }
02394
02395 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
02396 struct net_device *dev,
02397 u64 cookie)
02398 {
02399 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
02400 struct ieee80211_local *local = sdata->local;
02401 struct ieee80211_work *wk;
02402 int ret = -ENOENT;
02403
02404 mutex_lock(&local->mtx);
02405
02406 if (local->ops->cancel_remain_on_channel) {
02407 cookie ^= 2;
02408 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
02409
02410 if (ret == 0) {
02411 kfree_skb(local->hw_roc_skb);
02412 local->hw_roc_skb = NULL;
02413 local->hw_roc_skb_for_status = NULL;
02414 }
02415
02416 mutex_unlock(&local->mtx);
02417
02418 return ret;
02419 }
02420
02421 list_for_each_entry(wk, &local->work_list, list) {
02422 if (wk->sdata != sdata)
02423 continue;
02424
02425 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
02426 continue;
02427
02428 if (cookie != (unsigned long) wk->offchan_tx.frame)
02429 continue;
02430
02431 wk->timeout = jiffies;
02432
02433 ieee80211_queue_work(&local->hw, &local->work_work);
02434 ret = 0;
02435 break;
02436 }
02437 mutex_unlock(&local->mtx);
02438
02439 return ret;
02440 }
02441
02442 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
02443 struct net_device *dev,
02444 u16 frame_type, bool reg)
02445 {
02446 struct ieee80211_local *local = wiphy_priv(wiphy);
02447
02448 if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
02449 return;
02450
02451 if (reg)
02452 local->probe_req_reg++;
02453 else
02454 local->probe_req_reg--;
02455
02456 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
02457 }
02458
02459 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
02460 {
02461 struct ieee80211_local *local = wiphy_priv(wiphy);
02462
02463 if (local->started)
02464 return -EOPNOTSUPP;
02465
02466 return drv_set_antenna(local, tx_ant, rx_ant);
02467 }
02468
02469 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
02470 {
02471 struct ieee80211_local *local = wiphy_priv(wiphy);
02472
02473 return drv_get_antenna(local, tx_ant, rx_ant);
02474 }
02475
02476 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
02477 {
02478 struct ieee80211_local *local = wiphy_priv(wiphy);
02479
02480 return drv_set_ringparam(local, tx, rx);
02481 }
02482
02483 static void ieee80211_get_ringparam(struct wiphy *wiphy,
02484 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
02485 {
02486 struct ieee80211_local *local = wiphy_priv(wiphy);
02487
02488 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
02489 }
02490
02491 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
02492 struct net_device *dev,
02493 struct cfg80211_gtk_rekey_data *data)
02494 {
02495 struct ieee80211_local *local = wiphy_priv(wiphy);
02496 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
02497
02498 if (!local->ops->set_rekey_data)
02499 return -EOPNOTSUPP;
02500
02501 drv_set_rekey_data(local, sdata, data);
02502
02503 return 0;
02504 }
02505
02506 static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
02507 {
02508 u8 *pos = (void *)skb_put(skb, 7);
02509
02510 *pos++ = WLAN_EID_EXT_CAPABILITY;
02511 *pos++ = 5;
02512 *pos++ = 0x0;
02513 *pos++ = 0x0;
02514 *pos++ = 0x0;
02515 *pos++ = 0x0;
02516 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
02517 }
02518
02519 static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
02520 {
02521 struct ieee80211_local *local = sdata->local;
02522 u16 capab;
02523
02524 capab = 0;
02525 if (local->oper_channel->band != IEEE80211_BAND_2GHZ)
02526 return capab;
02527
02528 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
02529 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
02530 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
02531 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
02532
02533 return capab;
02534 }
02535
02536 static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
02537 u8 *peer, u8 *bssid)
02538 {
02539 struct ieee80211_tdls_lnkie *lnkid;
02540
02541 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
02542
02543 lnkid->ie_type = WLAN_EID_LINK_ID;
02544 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
02545
02546 memcpy(lnkid->bssid, bssid, ETH_ALEN);
02547 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
02548 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
02549 }
02550
02551 static int
02552 ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
02553 u8 *peer, u8 action_code, u8 dialog_token,
02554 u16 status_code, struct sk_buff *skb)
02555 {
02556 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
02557 struct ieee80211_tdls_data *tf;
02558
02559 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
02560
02561 memcpy(tf->da, peer, ETH_ALEN);
02562 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
02563 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
02564 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
02565
02566 switch (action_code) {
02567 case WLAN_TDLS_SETUP_REQUEST:
02568 tf->category = WLAN_CATEGORY_TDLS;
02569 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
02570
02571 skb_put(skb, sizeof(tf->u.setup_req));
02572 tf->u.setup_req.dialog_token = dialog_token;
02573 tf->u.setup_req.capability =
02574 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
02575
02576 ieee80211_add_srates_ie(&sdata->vif, skb, false);
02577 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
02578 ieee80211_tdls_add_ext_capab(skb);
02579 break;
02580 case WLAN_TDLS_SETUP_RESPONSE:
02581 tf->category = WLAN_CATEGORY_TDLS;
02582 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
02583
02584 skb_put(skb, sizeof(tf->u.setup_resp));
02585 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
02586 tf->u.setup_resp.dialog_token = dialog_token;
02587 tf->u.setup_resp.capability =
02588 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
02589
02590 ieee80211_add_srates_ie(&sdata->vif, skb, false);
02591 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
02592 ieee80211_tdls_add_ext_capab(skb);
02593 break;
02594 case WLAN_TDLS_SETUP_CONFIRM:
02595 tf->category = WLAN_CATEGORY_TDLS;
02596 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
02597
02598 skb_put(skb, sizeof(tf->u.setup_cfm));
02599 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
02600 tf->u.setup_cfm.dialog_token = dialog_token;
02601 break;
02602 case WLAN_TDLS_TEARDOWN:
02603 tf->category = WLAN_CATEGORY_TDLS;
02604 tf->action_code = WLAN_TDLS_TEARDOWN;
02605
02606 skb_put(skb, sizeof(tf->u.teardown));
02607 tf->u.teardown.reason_code = cpu_to_le16(status_code);
02608 break;
02609 case WLAN_TDLS_DISCOVERY_REQUEST:
02610 tf->category = WLAN_CATEGORY_TDLS;
02611 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
02612
02613 skb_put(skb, sizeof(tf->u.discover_req));
02614 tf->u.discover_req.dialog_token = dialog_token;
02615 break;
02616 default:
02617 return -EINVAL;
02618 }
02619
02620 return 0;
02621 }
02622
02623 static int
02624 ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
02625 u8 *peer, u8 action_code, u8 dialog_token,
02626 u16 status_code, struct sk_buff *skb)
02627 {
02628 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
02629 struct ieee80211_mgmt *mgmt;
02630
02631 mgmt = (void *)skb_put(skb, 24);
02632 memset(mgmt, 0, 24);
02633 memcpy(mgmt->da, peer, ETH_ALEN);
02634 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
02635 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
02636
02637 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
02638 IEEE80211_STYPE_ACTION);
02639
02640 switch (action_code) {
02641 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
02642 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
02643 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
02644 mgmt->u.action.u.tdls_discover_resp.action_code =
02645 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
02646 mgmt->u.action.u.tdls_discover_resp.dialog_token =
02647 dialog_token;
02648 mgmt->u.action.u.tdls_discover_resp.capability =
02649 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
02650
02651 ieee80211_add_srates_ie(&sdata->vif, skb, false);
02652 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
02653 ieee80211_tdls_add_ext_capab(skb);
02654 break;
02655 default:
02656 return -EINVAL;
02657 }
02658
02659 return 0;
02660 }
02661
02662 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
02663 u8 *peer, u8 action_code, u8 dialog_token,
02664 u16 status_code, const u8 *extra_ies,
02665 size_t extra_ies_len)
02666 {
02667 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
02668 struct ieee80211_local *local = sdata->local;
02669 struct ieee80211_tx_info *info;
02670 struct sk_buff *skb = NULL;
02671 bool send_direct;
02672 int ret;
02673
02674 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
02675 return -ENOTSUPP;
02676
02677
02678 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
02679 !sdata->u.mgd.associated)
02680 return -EINVAL;
02681
02682 #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
02683 printk(KERN_DEBUG "TDLS mgmt action %d peer %pM\n", action_code, peer);
02684 #endif
02685
02686 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
02687 max(sizeof(struct ieee80211_mgmt),
02688 sizeof(struct ieee80211_tdls_data)) +
02689 50 +
02690 7 +
02691 extra_ies_len +
02692 sizeof(struct ieee80211_tdls_lnkie));
02693 if (!skb)
02694 return -ENOMEM;
02695
02696 info = IEEE80211_SKB_CB(skb);
02697 skb_reserve(skb, local->hw.extra_tx_headroom);
02698
02699 switch (action_code) {
02700 case WLAN_TDLS_SETUP_REQUEST:
02701 case WLAN_TDLS_SETUP_RESPONSE:
02702 case WLAN_TDLS_SETUP_CONFIRM:
02703 case WLAN_TDLS_TEARDOWN:
02704 case WLAN_TDLS_DISCOVERY_REQUEST:
02705 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
02706 action_code, dialog_token,
02707 status_code, skb);
02708 send_direct = false;
02709 break;
02710 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
02711 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
02712 dialog_token, status_code,
02713 skb);
02714 send_direct = true;
02715 break;
02716 default:
02717 ret = -ENOTSUPP;
02718 break;
02719 }
02720
02721 if (ret < 0)
02722 goto fail;
02723
02724 if (extra_ies_len)
02725 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
02726
02727
02728 switch (action_code) {
02729 case WLAN_TDLS_SETUP_REQUEST:
02730 case WLAN_TDLS_SETUP_CONFIRM:
02731 case WLAN_TDLS_TEARDOWN:
02732 case WLAN_TDLS_DISCOVERY_REQUEST:
02733
02734 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
02735 sdata->u.mgd.bssid);
02736 break;
02737 case WLAN_TDLS_SETUP_RESPONSE:
02738 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
02739
02740 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
02741 sdata->u.mgd.bssid);
02742 break;
02743 default:
02744 ret = -ENOTSUPP;
02745 goto fail;
02746 }
02747
02748 if (send_direct) {
02749 ieee80211_tx_skb(sdata, skb);
02750 return 0;
02751 }
02752
02753
02754
02755
02756
02757 switch (action_code) {
02758 case WLAN_TDLS_SETUP_REQUEST:
02759 case WLAN_TDLS_SETUP_RESPONSE:
02760 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
02761 skb->priority = 2;
02762 break;
02763 default:
02764 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
02765 skb->priority = 5;
02766 break;
02767 }
02768
02769
02770 local_bh_disable();
02771 ret = ieee80211_subif_start_xmit(skb, dev);
02772 local_bh_enable();
02773
02774 return ret;
02775
02776 fail:
02777 dev_kfree_skb(skb);
02778 return ret;
02779 }
02780
02781 static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
02782 u8 *peer, enum nl80211_tdls_operation oper)
02783 {
02784 struct sta_info *sta;
02785 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
02786
02787 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
02788 return -ENOTSUPP;
02789
02790 if (sdata->vif.type != NL80211_IFTYPE_STATION)
02791 return -EINVAL;
02792
02793 #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
02794 printk(KERN_DEBUG "TDLS oper %d peer %pM\n", oper, peer);
02795 #endif
02796
02797 switch (oper) {
02798 case NL80211_TDLS_ENABLE_LINK:
02799 rcu_read_lock();
02800 sta = sta_info_get(sdata, peer);
02801 if (!sta) {
02802 rcu_read_unlock();
02803 return -ENOLINK;
02804 }
02805
02806 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
02807 rcu_read_unlock();
02808 break;
02809 case NL80211_TDLS_DISABLE_LINK:
02810 return sta_info_destroy_addr(sdata, peer);
02811 case NL80211_TDLS_TEARDOWN:
02812 case NL80211_TDLS_SETUP:
02813 case NL80211_TDLS_DISCOVERY_REQ:
02814
02815 return -ENOTSUPP;
02816 default:
02817 return -ENOTSUPP;
02818 }
02819
02820 return 0;
02821 }
02822
02823 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
02824 const u8 *peer, u64 *cookie)
02825 {
02826 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
02827 struct ieee80211_local *local = sdata->local;
02828 struct ieee80211_qos_hdr *nullfunc;
02829 struct sk_buff *skb;
02830 int size = sizeof(*nullfunc);
02831 __le16 fc;
02832 bool qos;
02833 struct ieee80211_tx_info *info;
02834 struct sta_info *sta;
02835
02836 rcu_read_lock();
02837 sta = sta_info_get(sdata, peer);
02838 if (sta) {
02839 qos = test_sta_flag(sta, WLAN_STA_WME);
02840 rcu_read_unlock();
02841 } else {
02842 rcu_read_unlock();
02843 return -ENOLINK;
02844 }
02845
02846 if (qos) {
02847 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
02848 IEEE80211_STYPE_QOS_NULLFUNC |
02849 IEEE80211_FCTL_FROMDS);
02850 } else {
02851 size -= 2;
02852 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
02853 IEEE80211_STYPE_NULLFUNC |
02854 IEEE80211_FCTL_FROMDS);
02855 }
02856
02857 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
02858 if (!skb)
02859 return -ENOMEM;
02860
02861 skb->dev = dev;
02862
02863 skb_reserve(skb, local->hw.extra_tx_headroom);
02864
02865 nullfunc = (void *) skb_put(skb, size);
02866 nullfunc->frame_control = fc;
02867 nullfunc->duration_id = 0;
02868 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
02869 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
02870 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
02871 nullfunc->seq_ctrl = 0;
02872
02873 info = IEEE80211_SKB_CB(skb);
02874
02875 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
02876 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
02877
02878 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
02879 skb->priority = 7;
02880 if (qos)
02881 nullfunc->qos_ctrl = cpu_to_le16(7);
02882
02883 local_bh_disable();
02884 ieee80211_xmit(sdata, skb);
02885 local_bh_enable();
02886
02887 *cookie = (unsigned long) skb;
02888 return 0;
02889 }
02890
02891 static struct ieee80211_channel *
02892 ieee80211_wiphy_get_channel(struct wiphy *wiphy,
02893 enum nl80211_channel_type *type)
02894 {
02895 struct ieee80211_local *local = wiphy_priv(wiphy);
02896
02897 *type = local->_oper_channel_type;
02898 return local->oper_channel;
02899 }
02900
02901 #ifdef CONFIG_PM
02902 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
02903 {
02904 drv_set_wakeup(wiphy_priv(wiphy), enabled);
02905 }
02906 #endif
02907
02908 struct cfg80211_ops mac80211_config_ops = {
02909 .add_virtual_intf = ieee80211_add_iface,
02910 .del_virtual_intf = ieee80211_del_iface,
02911 .change_virtual_intf = ieee80211_change_iface,
02912 .add_key = ieee80211_add_key,
02913 .del_key = ieee80211_del_key,
02914 .get_key = ieee80211_get_key,
02915 .set_default_key = ieee80211_config_default_key,
02916 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
02917 .start_ap = ieee80211_start_ap,
02918 .change_beacon = ieee80211_change_beacon,
02919 .stop_ap = ieee80211_stop_ap,
02920 .add_station = ieee80211_add_station,
02921 .del_station = ieee80211_del_station,
02922 .change_station = ieee80211_change_station,
02923 .get_station = ieee80211_get_station,
02924 .dump_station = ieee80211_dump_station,
02925 .dump_survey = ieee80211_dump_survey,
02926 #ifdef CONFIG_MAC80211_MESH
02927 .add_mpath = ieee80211_add_mpath,
02928 .del_mpath = ieee80211_del_mpath,
02929 .change_mpath = ieee80211_change_mpath,
02930 .get_mpath = ieee80211_get_mpath,
02931 .dump_mpath = ieee80211_dump_mpath,
02932 .update_mesh_config = ieee80211_update_mesh_config,
02933 .get_mesh_config = ieee80211_get_mesh_config,
02934 .join_mesh = ieee80211_join_mesh,
02935 .leave_mesh = ieee80211_leave_mesh,
02936 #endif
02937 .change_bss = ieee80211_change_bss,
02938 .set_txq_params = ieee80211_set_txq_params,
02939 .set_channel = ieee80211_set_channel,
02940 .suspend = ieee80211_suspend,
02941 .resume = ieee80211_resume,
02942 .scan = ieee80211_scan,
02943 .sched_scan_start = ieee80211_sched_scan_start,
02944 .sched_scan_stop = ieee80211_sched_scan_stop,
02945 .auth = ieee80211_auth,
02946 .assoc = ieee80211_assoc,
02947 .deauth = ieee80211_deauth,
02948 .disassoc = ieee80211_disassoc,
02949 .join_ibss = ieee80211_join_ibss,
02950 .leave_ibss = ieee80211_leave_ibss,
02951 .set_wiphy_params = ieee80211_set_wiphy_params,
02952 .set_tx_power = ieee80211_set_tx_power,
02953 .get_tx_power = ieee80211_get_tx_power,
02954 .set_wds_peer = ieee80211_set_wds_peer,
02955 .rfkill_poll = ieee80211_rfkill_poll,
02956 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
02957 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
02958 .set_power_mgmt = ieee80211_set_power_mgmt,
02959 .set_bitrate_mask = ieee80211_set_bitrate_mask,
02960 .remain_on_channel = ieee80211_remain_on_channel,
02961 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
02962 .mgmt_tx = ieee80211_mgmt_tx,
02963 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
02964 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
02965 .mgmt_frame_register = ieee80211_mgmt_frame_register,
02966 .set_antenna = ieee80211_set_antenna,
02967 .get_antenna = ieee80211_get_antenna,
02968 .set_ringparam = ieee80211_set_ringparam,
02969 .get_ringparam = ieee80211_get_ringparam,
02970 .set_rekey_data = ieee80211_set_rekey_data,
02971 .tdls_oper = ieee80211_tdls_oper,
02972 .tdls_mgmt = ieee80211_tdls_mgmt,
02973 .probe_client = ieee80211_probe_client,
02974 .get_channel = ieee80211_wiphy_get_channel,
02975 .set_noack_map = ieee80211_set_noack_map,
02976 #ifdef CONFIG_PM
02977 .set_wakeup = ieee80211_set_wakeup,
02978 #endif
02979 .get_et_sset_count = ieee80211_get_et_sset_count,
02980 .get_et_stats = ieee80211_get_et_stats,
02981 .get_et_strings = ieee80211_get_et_strings,
02982 };