qos_info = 0;
}
- pos = skb_put(skb, 9);
- *pos++ = WLAN_EID_VENDOR_SPECIFIC;
- *pos++ = 7; /* len */
- *pos++ = 0x00; /* Microsoft OUI 00:50:F2 */
- *pos++ = 0x50;
- *pos++ = 0xf2;
- *pos++ = 2; /* WME */
- *pos++ = 0; /* WME info */
- *pos++ = 1; /* WME ver */
- *pos++ = qos_info;
+ pos = ieee80211_add_wmm_info_ie(skb_put(skb, 9), qos_info);
}
/* add any remaining custom (i.e. vendor specific here) IEs */
container_of(work, struct ieee80211_sub_if_data, u.mgd.chswitch_work);
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- u32 changed = 0;
int ret;
if (!ieee80211_sdata_running(sdata))
return;
sdata_lock(sdata);
+ mutex_lock(&local->mtx);
+ mutex_lock(&local->chanctx_mtx);
+
if (!ifmgd->associated)
goto out;
- mutex_lock(&local->mtx);
- ret = ieee80211_vif_change_channel(sdata, &changed);
- mutex_unlock(&local->mtx);
- if (ret) {
+ if (!sdata->vif.csa_active)
+ goto out;
+
+ /*
+ * 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 (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)
+ goto out;
+
+ ret = ieee80211_vif_use_reserved_context(sdata);
+ if (ret) {
+ sdata_info(sdata,
+ "failed to use reserved channel context, disconnecting (err=%d)\n",
+ ret);
+ ieee80211_queue_work(&sdata->local->hw,
+ &ifmgd->csa_connection_drop_work);
+ goto out;
+ }
+
+ goto out;
+ }
+
+ if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
+ &sdata->csa_chandef)) {
sdata_info(sdata,
- "vif channel switch failed, disconnecting\n");
+ "failed to finalize channel switch, disconnecting\n");
ieee80211_queue_work(&sdata->local->hw,
&ifmgd->csa_connection_drop_work);
goto out;
}
- if (!local->use_chanctx) {
- local->_oper_chandef = sdata->csa_chandef;
- /* Call "hw_config" only if doing sw channel switch.
- * Otherwise update the channel directly
- */
- if (!local->ops->channel_switch)
- ieee80211_hw_config(local, 0);
- else
- local->hw.conf.chandef = local->_oper_chandef;
- }
-
/* XXX: shouldn't really modify cfg80211-owned data! */
ifmgd->associated->channel = sdata->csa_chandef.chan;
+ sdata->vif.csa_active = false;
+
/* XXX: wait for a beacon first? */
- 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;
+ }
- ieee80211_bss_info_change_notify(sdata, changed);
+ ieee80211_sta_reset_beacon_monitor(sdata);
+ ieee80211_sta_reset_conn_monitor(sdata);
- out:
- sdata->vif.csa_active = false;
- ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED;
+out:
+ mutex_unlock(&local->chanctx_mtx);
+ mutex_unlock(&local->mtx);
sdata_unlock(sdata);
}
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct cfg80211_bss *cbss = ifmgd->associated;
+ struct ieee80211_chanctx_conf *conf;
struct ieee80211_chanctx *chanctx;
enum ieee80211_band current_band;
struct ieee80211_csa_ie csa_ie;
return;
/* disregard subsequent announcements if we are already processing */
- if (ifmgd->flags & IEEE80211_STA_CSA_RECEIVED)
+ if (sdata->vif.csa_active)
return;
current_band = cbss->channel->band;
return;
}
- ifmgd->flags |= IEEE80211_STA_CSA_RECEIVED;
-
+ mutex_lock(&local->mtx);
mutex_lock(&local->chanctx_mtx);
+ conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
+ lockdep_is_held(&local->chanctx_mtx));
+ if (!conf) {
+ sdata_info(sdata,
+ "no channel context assigned to vif?, disconnecting\n");
+ ieee80211_queue_work(&local->hw,
+ &ifmgd->csa_connection_drop_work);
+ mutex_unlock(&local->chanctx_mtx);
+ mutex_unlock(&local->mtx);
+ return;
+ }
+
+ chanctx = container_of(conf, struct ieee80211_chanctx, conf);
+
if (local->use_chanctx) {
u32 num_chanctx = 0;
list_for_each_entry(chanctx, &local->chanctx_list, list)
ieee80211_queue_work(&local->hw,
&ifmgd->csa_connection_drop_work);
mutex_unlock(&local->chanctx_mtx);
+ mutex_unlock(&local->mtx);
return;
}
}
- if (WARN_ON(!rcu_access_pointer(sdata->vif.chanctx_conf))) {
- ieee80211_queue_work(&local->hw,
- &ifmgd->csa_connection_drop_work);
- mutex_unlock(&local->chanctx_mtx);
- return;
- }
- chanctx = container_of(rcu_access_pointer(sdata->vif.chanctx_conf),
- struct ieee80211_chanctx, conf);
- if (chanctx->refcount > 1) {
+ res = ieee80211_vif_reserve_chanctx(sdata, &csa_ie.chandef,
+ chanctx->mode, false);
+ if (res) {
sdata_info(sdata,
- "channel switch with multiple interfaces on the same channel, disconnecting\n");
+ "failed to reserve channel context for channel switch, disconnecting (err=%d)\n",
+ res);
ieee80211_queue_work(&local->hw,
&ifmgd->csa_connection_drop_work);
mutex_unlock(&local->chanctx_mtx);
+ mutex_unlock(&local->mtx);
return;
}
mutex_unlock(&local->chanctx_mtx);
- sdata->csa_chandef = csa_ie.chandef;
sdata->vif.csa_active = true;
+ sdata->csa_chandef = csa_ie.chandef;
+ sdata->csa_block_tx = csa_ie.mode;
- if (csa_ie.mode)
- ieee80211_stop_queues_by_reason(&local->hw,
- IEEE80211_MAX_QUEUE_MAP,
- IEEE80211_QUEUE_STOP_REASON_CSA);
+ if (sdata->csa_block_tx)
+ ieee80211_stop_vif_queues(local, sdata,
+ IEEE80211_QUEUE_STOP_REASON_CSA);
+ mutex_unlock(&local->mtx);
if (local->ops->channel_switch) {
/* use driver's channel switch callback */
ieee80211_wake_queues_by_reason(&local->hw,
IEEE80211_MAX_QUEUE_MAP,
- IEEE80211_QUEUE_STOP_REASON_PS);
+ IEEE80211_QUEUE_STOP_REASON_PS,
+ false);
}
void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
ifmgd->flags = 0;
mutex_lock(&local->mtx);
ieee80211_vif_release_channel(sdata);
+
+ sdata->vif.csa_active = false;
+ 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);
sdata->encrypt_headroom = IEEE80211_ENCRYPT_HEADROOM;
static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
{
+ struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
true, frame_buf);
- ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED;
+ mutex_lock(&local->mtx);
sdata->vif.csa_active = false;
- ieee80211_wake_queues_by_reason(&sdata->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);
cfg80211_tx_mlme_mgmt(sdata->dev, frame_buf,
IEEE80211_DEAUTH_FRAME_LEN);
if (local->quiescing)
return;
+ if (sdata->vif.csa_active)
+ return;
+
sdata->u.mgd.connection_loss = false;
ieee80211_queue_work(&sdata->local->hw,
&sdata->u.mgd.beacon_connection_loss_work);
if (local->quiescing)
return;
+ if (sdata->vif.csa_active)
+ return;
+
ieee80211_queue_work(&local->hw, &ifmgd->monitor_work);
}
INIT_WORK(&ifmgd->csa_connection_drop_work,
ieee80211_csa_connection_drop_work);
INIT_WORK(&ifmgd->request_smps_work, ieee80211_request_smps_mgd_work);
+ INIT_DELAYED_WORK(&ifmgd->tdls_peer_del_work,
+ ieee80211_tdls_peer_del_work);
setup_timer(&ifmgd->timer, ieee80211_sta_timer,
(unsigned long) sdata);
setup_timer(&ifmgd->bcn_mon_timer, ieee80211_sta_bcn_mon_timer,
ieee80211_recalc_ps(local, latency_usec);
mutex_unlock(&local->iflist_mtx);
- return 0;
+ return NOTIFY_OK;
}
static u8 ieee80211_ht_vht_rx_chains(struct ieee80211_sub_if_data *sdata,
cancel_work_sync(&ifmgd->request_smps_work);
cancel_work_sync(&ifmgd->csa_connection_drop_work);
cancel_work_sync(&ifmgd->chswitch_work);
+ cancel_delayed_work_sync(&ifmgd->tdls_peer_del_work);
sdata_lock(sdata);
if (ifmgd->assoc_data) {