* mac80211 configuration hooks for cfg80211
*
* Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2013-2014 Intel Mobile Communications GmbH
*
* This file is GPLv2 as found in COPYING.
*/
rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
}
-static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
-{
- struct ieee80211_sub_if_data *sdata = sta->sdata;
- struct ieee80211_local *local = sdata->local;
- struct rate_control_ref *ref = NULL;
- struct timespec uptime;
- u64 packets = 0;
- u32 thr = 0;
- int i, ac;
-
- if (test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
- ref = local->rate_ctrl;
-
- sinfo->generation = sdata->local->sta_generation;
-
- sinfo->filled = STATION_INFO_INACTIVE_TIME |
- STATION_INFO_RX_BYTES64 |
- STATION_INFO_TX_BYTES64 |
- STATION_INFO_RX_PACKETS |
- STATION_INFO_TX_PACKETS |
- STATION_INFO_TX_RETRIES |
- STATION_INFO_TX_FAILED |
- STATION_INFO_TX_BITRATE |
- STATION_INFO_RX_BITRATE |
- STATION_INFO_RX_DROP_MISC |
- STATION_INFO_BSS_PARAM |
- STATION_INFO_CONNECTED_TIME |
- STATION_INFO_STA_FLAGS |
- STATION_INFO_BEACON_LOSS_COUNT;
-
- do_posix_clock_monotonic_gettime(&uptime);
- sinfo->connected_time = uptime.tv_sec - sta->last_connected;
-
- sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
- sinfo->tx_bytes = 0;
- for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
- sinfo->tx_bytes += sta->tx_bytes[ac];
- packets += sta->tx_packets[ac];
- }
- sinfo->tx_packets = packets;
- sinfo->rx_bytes = sta->rx_bytes;
- sinfo->rx_packets = sta->rx_packets;
- sinfo->tx_retries = sta->tx_retry_count;
- sinfo->tx_failed = sta->tx_retry_failed;
- sinfo->rx_dropped_misc = sta->rx_dropped;
- sinfo->beacon_loss_count = sta->beacon_loss_count;
-
- if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
- (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
- sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
- if (!local->ops->get_rssi ||
- drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
- sinfo->signal = (s8)sta->last_signal;
- sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
- }
- if (sta->chains) {
- sinfo->filled |= STATION_INFO_CHAIN_SIGNAL |
- STATION_INFO_CHAIN_SIGNAL_AVG;
-
- sinfo->chains = sta->chains;
- for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) {
- sinfo->chain_signal[i] = sta->chain_signal_last[i];
- sinfo->chain_signal_avg[i] =
- (s8) -ewma_read(&sta->chain_signal_avg[i]);
- }
- }
-
- sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
- sta_set_rate_info_rx(sta, &sinfo->rxrate);
-
- if (ieee80211_vif_is_mesh(&sdata->vif)) {
-#ifdef CONFIG_MAC80211_MESH
- sinfo->filled |= STATION_INFO_LLID |
- STATION_INFO_PLID |
- STATION_INFO_PLINK_STATE |
- STATION_INFO_LOCAL_PM |
- STATION_INFO_PEER_PM |
- STATION_INFO_NONPEER_PM;
-
- sinfo->llid = sta->llid;
- sinfo->plid = sta->plid;
- sinfo->plink_state = sta->plink_state;
- if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
- sinfo->filled |= STATION_INFO_T_OFFSET;
- sinfo->t_offset = sta->t_offset;
- }
- sinfo->local_pm = sta->local_pm;
- sinfo->peer_pm = sta->peer_pm;
- sinfo->nonpeer_pm = sta->nonpeer_pm;
-#endif
- }
-
- sinfo->bss_param.flags = 0;
- if (sdata->vif.bss_conf.use_cts_prot)
- sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
- if (sdata->vif.bss_conf.use_short_preamble)
- sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
- if (sdata->vif.bss_conf.use_short_slot)
- sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
- sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
- sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
-
- sinfo->sta_flags.set = 0;
- sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
- BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
- BIT(NL80211_STA_FLAG_WME) |
- BIT(NL80211_STA_FLAG_MFP) |
- BIT(NL80211_STA_FLAG_AUTHENTICATED) |
- BIT(NL80211_STA_FLAG_ASSOCIATED) |
- BIT(NL80211_STA_FLAG_TDLS_PEER);
- if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
- sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
- if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
- sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
- if (test_sta_flag(sta, WLAN_STA_WME))
- sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
- if (test_sta_flag(sta, WLAN_STA_MFP))
- sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
- if (test_sta_flag(sta, WLAN_STA_AUTH))
- sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
- if (test_sta_flag(sta, WLAN_STA_ASSOC))
- sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
- if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
- sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
-
- /* check if the driver has a SW RC implementation */
- if (ref && ref->ops->get_expected_throughput)
- thr = ref->ops->get_expected_throughput(sta->rate_ctrl_priv);
- else
- thr = drv_get_expected_throughput(local, &sta->sta);
-
- if (thr != 0) {
- sinfo->filled |= STATION_INFO_EXPECTED_THROUGHPUT;
- sinfo->expected_throughput = thr;
- }
-}
-
-static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
- "rx_packets", "rx_bytes", "wep_weak_iv_count",
- "rx_duplicates", "rx_fragments", "rx_dropped",
- "tx_packets", "tx_bytes", "tx_fragments",
- "tx_filtered", "tx_retry_failed", "tx_retries",
- "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
- "channel", "noise", "ch_time", "ch_time_busy",
- "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
-};
-#define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
-
-static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
- struct net_device *dev,
- int sset)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- int rv = 0;
-
- if (sset == ETH_SS_STATS)
- rv += STA_STATS_LEN;
-
- rv += drv_get_et_sset_count(sdata, sset);
-
- if (rv == 0)
- return -EOPNOTSUPP;
- return rv;
-}
-
-static void ieee80211_get_et_stats(struct wiphy *wiphy,
- struct net_device *dev,
- struct ethtool_stats *stats,
- u64 *data)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_chanctx_conf *chanctx_conf;
- struct ieee80211_channel *channel;
- struct sta_info *sta;
- struct ieee80211_local *local = sdata->local;
- struct station_info sinfo;
- struct survey_info survey;
- int i, q;
-#define STA_STATS_SURVEY_LEN 7
-
- memset(data, 0, sizeof(u64) * STA_STATS_LEN);
-
-#define ADD_STA_STATS(sta) \
- do { \
- data[i++] += sta->rx_packets; \
- data[i++] += sta->rx_bytes; \
- data[i++] += sta->wep_weak_iv_count; \
- data[i++] += sta->num_duplicates; \
- data[i++] += sta->rx_fragments; \
- data[i++] += sta->rx_dropped; \
- \
- data[i++] += sinfo.tx_packets; \
- data[i++] += sinfo.tx_bytes; \
- data[i++] += sta->tx_fragments; \
- data[i++] += sta->tx_filtered_count; \
- data[i++] += sta->tx_retry_failed; \
- data[i++] += sta->tx_retry_count; \
- data[i++] += sta->beacon_loss_count; \
- } while (0)
-
- /* For Managed stations, find the single station based on BSSID
- * and use that. For interface types, iterate through all available
- * stations and add stats for any station that is assigned to this
- * network device.
- */
-
- mutex_lock(&local->sta_mtx);
-
- if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
-
- if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
- goto do_survey;
-
- sinfo.filled = 0;
- sta_set_sinfo(sta, &sinfo);
-
- i = 0;
- ADD_STA_STATS(sta);
-
- data[i++] = sta->sta_state;
-
-
- if (sinfo.filled & STATION_INFO_TX_BITRATE)
- data[i] = 100000 *
- cfg80211_calculate_bitrate(&sinfo.txrate);
- i++;
- if (sinfo.filled & STATION_INFO_RX_BITRATE)
- data[i] = 100000 *
- cfg80211_calculate_bitrate(&sinfo.rxrate);
- i++;
-
- if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
- data[i] = (u8)sinfo.signal_avg;
- i++;
- } else {
- list_for_each_entry(sta, &local->sta_list, list) {
- /* Make sure this station belongs to the proper dev */
- if (sta->sdata->dev != dev)
- continue;
-
- sinfo.filled = 0;
- sta_set_sinfo(sta, &sinfo);
- i = 0;
- ADD_STA_STATS(sta);
- }
- }
-
-do_survey:
- i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
- /* Get survey stats for current channel */
- survey.filled = 0;
-
- rcu_read_lock();
- chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
- if (chanctx_conf)
- channel = chanctx_conf->def.chan;
- else
- channel = NULL;
- rcu_read_unlock();
-
- if (channel) {
- q = 0;
- do {
- survey.filled = 0;
- if (drv_get_survey(local, q, &survey) != 0) {
- survey.filled = 0;
- break;
- }
- q++;
- } while (channel != survey.channel);
- }
-
- if (survey.filled)
- data[i++] = survey.channel->center_freq;
- else
- data[i++] = 0;
- if (survey.filled & SURVEY_INFO_NOISE_DBM)
- data[i++] = (u8)survey.noise;
- else
- data[i++] = -1LL;
- if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
- data[i++] = survey.channel_time;
- else
- data[i++] = -1LL;
- if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
- data[i++] = survey.channel_time_busy;
- else
- data[i++] = -1LL;
- if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
- data[i++] = survey.channel_time_ext_busy;
- else
- data[i++] = -1LL;
- if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
- data[i++] = survey.channel_time_rx;
- else
- data[i++] = -1LL;
- if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
- data[i++] = survey.channel_time_tx;
- else
- data[i++] = -1LL;
-
- mutex_unlock(&local->sta_mtx);
-
- if (WARN_ON(i != STA_STATS_LEN))
- return;
-
- drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
-}
-
-static void ieee80211_get_et_strings(struct wiphy *wiphy,
- struct net_device *dev,
- u32 sset, u8 *data)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- int sz_sta_stats = 0;
-
- if (sset == ETH_SS_STATS) {
- sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
- memcpy(data, ieee80211_gstrings_sta_stats, sz_sta_stats);
- }
- drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
-}
-
static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
int idx, u8 *mac, struct station_info *sinfo)
{
}
static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
- const u8 *resp, size_t resp_len)
+ const u8 *resp, size_t resp_len,
+ const struct ieee80211_csa_settings *csa)
{
struct probe_resp *new, *old;
new->len = resp_len;
memcpy(new->data, resp, resp_len);
+ if (csa)
+ memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
+ csa->n_counter_offsets_presp *
+ sizeof(new->csa_counter_offsets[0]));
+
rcu_assign_pointer(sdata->u.ap.probe_resp, new);
if (old)
kfree_rcu(old, rcu_head);
}
static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
- struct cfg80211_beacon_data *params)
+ struct cfg80211_beacon_data *params,
+ const struct ieee80211_csa_settings *csa)
{
struct beacon_data *new, *old;
int new_head_len, new_tail_len;
new->head_len = new_head_len;
new->tail_len = new_tail_len;
+ if (csa) {
+ new->csa_current_counter = csa->count;
+ memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
+ csa->n_counter_offsets_beacon *
+ sizeof(new->csa_counter_offsets[0]));
+ }
+
/* copy in head */
if (params->head)
memcpy(new->head, params->head, new_head_len);
memcpy(new->tail, old->tail, new_tail_len);
err = ieee80211_set_probe_resp(sdata, params->probe_resp,
- params->probe_resp_len);
+ params->probe_resp_len, csa);
if (err < 0)
return err;
if (err == 0)
if (old)
return -EALREADY;
- /* TODO: make hostapd tell us what it wants */
- sdata->smps_mode = IEEE80211_SMPS_OFF;
+ switch (params->smps_mode) {
+ case NL80211_SMPS_OFF:
+ sdata->smps_mode = IEEE80211_SMPS_OFF;
+ break;
+ case NL80211_SMPS_STATIC:
+ sdata->smps_mode = IEEE80211_SMPS_STATIC;
+ break;
+ case NL80211_SMPS_DYNAMIC:
+ sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
+ break;
+ default:
+ return -EINVAL;
+ }
sdata->needed_rx_chains = sdata->local->rx_chains;
mutex_lock(&local->mtx);
sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
IEEE80211_P2P_OPPPS_ENABLE_BIT;
- err = ieee80211_assign_beacon(sdata, ¶ms->beacon);
+ err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL);
if (err < 0) {
ieee80211_vif_release_channel(sdata);
return err;
if (!old)
return -ENOENT;
- err = ieee80211_assign_beacon(sdata, params);
+ err = ieee80211_assign_beacon(sdata, params, NULL);
if (err < 0)
return err;
ieee80211_bss_info_change_notify(sdata, err);
return 0;
}
-bool ieee80211_csa_needs_block_tx(struct ieee80211_local *local)
-{
- struct ieee80211_sub_if_data *sdata;
-
- lockdep_assert_held(&local->mtx);
-
- rcu_read_lock();
- list_for_each_entry_rcu(sdata, &local->interfaces, list) {
- if (!ieee80211_sdata_running(sdata))
- continue;
-
- if (!sdata->vif.csa_active)
- continue;
-
- if (!sdata->csa_block_tx)
- continue;
-
- rcu_read_unlock();
- return true;
- }
- rcu_read_unlock();
-
- return false;
-}
-
static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
/* abort any running channel switch */
mutex_lock(&local->mtx);
sdata->vif.csa_active = false;
- if (!ieee80211_csa_needs_block_tx(local))
- ieee80211_wake_queues_by_reason(&local->hw,
- IEEE80211_MAX_QUEUE_MAP,
- IEEE80211_QUEUE_STOP_REASON_CSA);
+ if (sdata->csa_block_tx) {
+ ieee80211_wake_vif_queues(local, sdata,
+ IEEE80211_QUEUE_STOP_REASON_CSA);
+ sdata->csa_block_tx = false;
+ }
+
mutex_unlock(&local->mtx);
kfree(sdata->u.ap.next_beacon);
}
}
- ret = sta_apply_auth_flags(local, sta, mask, set);
- if (ret)
- return ret;
+ /* auth flags will be set later for TDLS stations */
+ if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
+ ret = sta_apply_auth_flags(local, sta, mask, set);
+ if (ret)
+ return ret;
+ }
if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
}
- if (mask & BIT(NL80211_STA_FLAG_WME)) {
- if (set & BIT(NL80211_STA_FLAG_WME)) {
- set_sta_flag(sta, WLAN_STA_WME);
- sta->sta.wme = true;
- } else {
- clear_sta_flag(sta, WLAN_STA_WME);
- sta->sta.wme = false;
- }
- }
+ if (mask & BIT(NL80211_STA_FLAG_WME))
+ sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
if (mask & BIT(NL80211_STA_FLAG_MFP)) {
if (set & BIT(NL80211_STA_FLAG_MFP))
#endif
}
+ /* set the STA state after all sta info from usermode has been set */
+ if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
+ ret = sta_apply_auth_flags(local, sta, mask, set);
+ if (ret)
+ return ret;
+ }
+
return 0;
}
return err;
}
- if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
- err = drv_set_coverage_class(local, wiphy->coverage_class);
+ if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
+ (changed & WIPHY_PARAM_DYN_ACK)) {
+ s16 coverage_class;
+
+ coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
+ wiphy->coverage_class : -1;
+ err = drv_set_coverage_class(local, coverage_class);
if (err)
return err;
return 0;
}
+static bool ieee80211_coalesce_started_roc(struct ieee80211_local *local,
+ struct ieee80211_roc_work *new_roc,
+ struct ieee80211_roc_work *cur_roc)
+{
+ unsigned long j = jiffies;
+ unsigned long cur_roc_end = cur_roc->hw_start_time +
+ msecs_to_jiffies(cur_roc->duration);
+ struct ieee80211_roc_work *next_roc;
+ int new_dur;
+
+ if (WARN_ON(!cur_roc->started || !cur_roc->hw_begun))
+ return false;
+
+ if (time_after(j + IEEE80211_ROC_MIN_LEFT, cur_roc_end))
+ return false;
+
+ ieee80211_handle_roc_started(new_roc);
+
+ new_dur = new_roc->duration - jiffies_to_msecs(cur_roc_end - j);
+
+ /* cur_roc is long enough - add new_roc to the dependents list. */
+ if (new_dur <= 0) {
+ list_add_tail(&new_roc->list, &cur_roc->dependents);
+ return true;
+ }
+
+ new_roc->duration = new_dur;
+
+ /*
+ * if cur_roc was already coalesced before, we might
+ * want to extend the next roc instead of adding
+ * a new one.
+ */
+ next_roc = list_entry(cur_roc->list.next,
+ struct ieee80211_roc_work, list);
+ if (&next_roc->list != &local->roc_list &&
+ next_roc->chan == new_roc->chan &&
+ next_roc->sdata == new_roc->sdata &&
+ !WARN_ON(next_roc->started)) {
+ list_add_tail(&new_roc->list, &next_roc->dependents);
+ next_roc->duration = max(next_roc->duration,
+ new_roc->duration);
+ next_roc->type = max(next_roc->type, new_roc->type);
+ return true;
+ }
+
+ /* add right after cur_roc */
+ list_add(&new_roc->list, &cur_roc->list);
+
+ return true;
+}
+
static int ieee80211_start_roc_work(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
struct ieee80211_channel *channel,
/* If it has already started, it's more difficult ... */
if (local->ops->remain_on_channel) {
- unsigned long j = jiffies;
-
/*
* In the offloaded ROC case, if it hasn't begun, add
* this new one to the dependent list to be handled
break;
}
- if (time_before(j + IEEE80211_ROC_MIN_LEFT,
- tmp->hw_start_time +
- msecs_to_jiffies(tmp->duration))) {
- int new_dur;
-
- ieee80211_handle_roc_started(roc);
-
- new_dur = roc->duration -
- jiffies_to_msecs(tmp->hw_start_time +
- msecs_to_jiffies(
- tmp->duration) -
- j);
-
- if (new_dur > 0) {
- /* add right after tmp */
- list_add(&roc->list, &tmp->list);
- } else {
- list_add_tail(&roc->list,
- &tmp->dependents);
- }
+ if (ieee80211_coalesce_started_roc(local, roc, tmp))
queued = true;
- }
} else if (del_timer_sync(&tmp->work.timer)) {
unsigned long new_end;
switch (sdata->vif.type) {
case NL80211_IFTYPE_AP:
- err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon);
+ err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
+ NULL);
kfree(sdata->u.ap.next_beacon);
sdata->u.ap.next_beacon = NULL;
sdata_assert_lock(sdata);
lockdep_assert_held(&local->mtx);
+ lockdep_assert_held(&local->chanctx_mtx);
- sdata->radar_required = sdata->csa_radar_required;
- err = ieee80211_vif_change_channel(sdata, &changed);
- if (err < 0)
- return err;
+ /*
+ * using reservation isn't immediate as it may be deferred until later
+ * with multi-vif. once reservation is complete it will re-schedule the
+ * work with no reserved_chanctx so verify chandef to check if it
+ * completed successfully
+ */
- if (!local->use_chanctx) {
- local->_oper_chandef = sdata->csa_chandef;
- ieee80211_hw_config(local, 0);
+ if (sdata->reserved_chanctx) {
+ /*
+ * with multi-vif csa driver may call ieee80211_csa_finish()
+ * many times while waiting for other interfaces to use their
+ * reservations
+ */
+ if (sdata->reserved_ready)
+ return 0;
+
+ err = ieee80211_vif_use_reserved_context(sdata);
+ if (err)
+ return err;
+
+ return 0;
}
+ if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
+ &sdata->csa_chandef))
+ return -EINVAL;
+
sdata->vif.csa_active = false;
err = ieee80211_set_after_csa_beacon(sdata, &changed);
ieee80211_bss_info_change_notify(sdata, changed);
cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
- if (!ieee80211_csa_needs_block_tx(local))
- ieee80211_wake_queues_by_reason(&local->hw,
- IEEE80211_MAX_QUEUE_MAP,
- IEEE80211_QUEUE_STOP_REASON_CSA);
+ if (sdata->csa_block_tx) {
+ ieee80211_wake_vif_queues(local, sdata,
+ IEEE80211_QUEUE_STOP_REASON_CSA);
+ sdata->csa_block_tx = false;
+ }
return 0;
}
sdata_lock(sdata);
mutex_lock(&local->mtx);
+ mutex_lock(&local->chanctx_mtx);
/* AP might have been stopped while waiting for the lock. */
if (!sdata->vif.csa_active)
ieee80211_csa_finalize(sdata);
unlock:
+ mutex_unlock(&local->chanctx_mtx);
mutex_unlock(&local->mtx);
sdata_unlock(sdata);
}
struct cfg80211_csa_settings *params,
u32 *changed)
{
+ struct ieee80211_csa_settings csa = {};
int err;
switch (sdata->vif.type) {
IEEE80211_MAX_CSA_COUNTERS_NUM))
return -EINVAL;
- /* make sure we don't have garbage in other counters */
- memset(sdata->csa_counter_offset_beacon, 0,
- sizeof(sdata->csa_counter_offset_beacon));
- memset(sdata->csa_counter_offset_presp, 0,
- sizeof(sdata->csa_counter_offset_presp));
+ csa.counter_offsets_beacon = params->counter_offsets_beacon;
+ csa.counter_offsets_presp = params->counter_offsets_presp;
+ csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
+ csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
+ csa.count = params->count;
- memcpy(sdata->csa_counter_offset_beacon,
- params->counter_offsets_beacon,
- params->n_counter_offsets_beacon * sizeof(u16));
- memcpy(sdata->csa_counter_offset_presp,
- params->counter_offsets_presp,
- params->n_counter_offsets_presp * sizeof(u16));
-
- err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa);
+ err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa);
if (err < 0) {
kfree(sdata->u.ap.next_beacon);
return err;
struct ieee80211_local *local = sdata->local;
struct ieee80211_chanctx_conf *conf;
struct ieee80211_chanctx *chanctx;
- int err, num_chanctx, changed = 0;
+ int err, changed = 0;
sdata_assert_lock(sdata);
lockdep_assert_held(&local->mtx);
&sdata->vif.bss_conf.chandef))
return -EINVAL;
+ /* don't allow another channel switch if one is already active. */
+ if (sdata->vif.csa_active)
+ return -EBUSY;
+
mutex_lock(&local->chanctx_mtx);
conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
lockdep_is_held(&local->chanctx_mtx));
if (!conf) {
- mutex_unlock(&local->chanctx_mtx);
- return -EBUSY;
+ err = -EBUSY;
+ goto out;
}
- /* don't handle for multi-VIF cases */
chanctx = container_of(conf, struct ieee80211_chanctx, conf);
- if (ieee80211_chanctx_refcount(local, chanctx) > 1) {
- mutex_unlock(&local->chanctx_mtx);
- return -EBUSY;
+ if (!chanctx) {
+ err = -EBUSY;
+ goto out;
}
- num_chanctx = 0;
- list_for_each_entry_rcu(chanctx, &local->chanctx_list, list)
- num_chanctx++;
- mutex_unlock(&local->chanctx_mtx);
- if (num_chanctx > 1)
- return -EBUSY;
+ err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef,
+ chanctx->mode,
+ params->radar_required);
+ if (err)
+ goto out;
- /* don't allow another channel switch if one is already active. */
- if (sdata->vif.csa_active)
- return -EBUSY;
+ /* if reservation is invalid then this will fail */
+ err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
+ if (err) {
+ ieee80211_vif_unreserve_chanctx(sdata);
+ goto out;
+ }
err = ieee80211_set_csa_beacon(sdata, params, &changed);
- if (err)
- return err;
+ if (err) {
+ ieee80211_vif_unreserve_chanctx(sdata);
+ goto out;
+ }
- sdata->csa_radar_required = params->radar_required;
sdata->csa_chandef = params->chandef;
sdata->csa_block_tx = params->block_tx;
- sdata->csa_current_counter = params->count;
sdata->vif.csa_active = true;
if (sdata->csa_block_tx)
- ieee80211_stop_queues_by_reason(&local->hw,
- IEEE80211_MAX_QUEUE_MAP,
- IEEE80211_QUEUE_STOP_REASON_CSA);
+ ieee80211_stop_vif_queues(local, sdata,
+ IEEE80211_QUEUE_STOP_REASON_CSA);
if (changed) {
ieee80211_bss_info_change_notify(sdata, changed);
ieee80211_csa_finalize(sdata);
}
- return 0;
+out:
+ mutex_unlock(&local->chanctx_mtx);
+ return err;
}
int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
sdata->vif.type == NL80211_IFTYPE_ADHOC) &&
params->n_csa_offsets) {
int i;
- u8 c = sdata->csa_current_counter;
+ struct beacon_data *beacon = NULL;
+
+ rcu_read_lock();
+
+ if (sdata->vif.type == NL80211_IFTYPE_AP)
+ beacon = rcu_dereference(sdata->u.ap.beacon);
+ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
+ beacon = rcu_dereference(sdata->u.ibss.presp);
+ else if (ieee80211_vif_is_mesh(&sdata->vif))
+ beacon = rcu_dereference(sdata->u.mesh.beacon);
- for (i = 0; i < params->n_csa_offsets; i++)
- data[params->csa_offsets[i]] = c;
+ if (beacon)
+ for (i = 0; i < params->n_csa_offsets; i++)
+ data[params->csa_offsets[i]] =
+ beacon->csa_current_counter;
+
+ rcu_read_unlock();
}
IEEE80211_SKB_CB(skb)->flags = flags;
return drv_get_antenna(local, tx_ant, rx_ant);
}
-static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
-{
- struct ieee80211_local *local = wiphy_priv(wiphy);
-
- return drv_set_ringparam(local, tx, rx);
-}
-
-static void ieee80211_get_ringparam(struct wiphy *wiphy,
- u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
-{
- struct ieee80211_local *local = wiphy_priv(wiphy);
-
- drv_get_ringparam(local, tx, tx_max, rx, rx_max);
-}
-
static int ieee80211_set_rekey_data(struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_gtk_rekey_data *data)
band = chanctx_conf->def.chan->band;
sta = sta_info_get_bss(sdata, peer);
if (sta) {
- qos = test_sta_flag(sta, WLAN_STA_WME);
+ qos = sta->sta.wme;
} else {
rcu_read_unlock();
return -ENOLINK;
.mgmt_frame_register = ieee80211_mgmt_frame_register,
.set_antenna = ieee80211_set_antenna,
.get_antenna = ieee80211_get_antenna,
- .set_ringparam = ieee80211_set_ringparam,
- .get_ringparam = ieee80211_get_ringparam,
.set_rekey_data = ieee80211_set_rekey_data,
.tdls_oper = ieee80211_tdls_oper,
.tdls_mgmt = ieee80211_tdls_mgmt,
#ifdef CONFIG_PM
.set_wakeup = ieee80211_set_wakeup,
#endif
- .get_et_sset_count = ieee80211_get_et_sset_count,
- .get_et_stats = ieee80211_get_et_stats,
- .get_et_strings = ieee80211_get_et_strings,
.get_channel = ieee80211_cfg_get_channel,
.start_radar_detection = ieee80211_start_radar_detection,
.channel_switch = ieee80211_channel_switch,
projects / karo-tx-linux.git / blobdiff