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path: root/drivers/net/wireless/iwlwifi/iwl-scan.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-scan.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-scan.c57
1 files changed, 44 insertions, 13 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 8d7fa59..7727f09 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -206,7 +206,6 @@ static void iwl_rx_scan_results_notif(struct iwl_priv *priv,
static void iwl_rx_scan_complete_notif(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb)
{
-#ifdef CONFIG_IWLWIFI_DEBUG
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_scancomplete_notification *scan_notif = (void *)pkt->u.raw;
@@ -214,7 +213,6 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv,
scan_notif->scanned_channels,
scan_notif->tsf_low,
scan_notif->tsf_high, scan_notif->status);
-#endif
/* The HW is no longer scanning */
clear_bit(STATUS_SCAN_HW, &priv->status);
@@ -236,6 +234,26 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv,
clear_bit(STATUS_SCANNING, &priv->status);
+ if (priv->iw_mode != NL80211_IFTYPE_ADHOC &&
+ priv->cfg->advanced_bt_coexist && priv->bt_status !=
+ scan_notif->bt_status) {
+ if (scan_notif->bt_status) {
+ /* BT on */
+ if (!priv->bt_ch_announce)
+ priv->bt_traffic_load =
+ IWL_BT_COEX_TRAFFIC_LOAD_HIGH;
+ /*
+ * otherwise, no traffic load information provided
+ * no changes made
+ */
+ } else {
+ /* BT off */
+ priv->bt_traffic_load =
+ IWL_BT_COEX_TRAFFIC_LOAD_NONE;
+ }
+ priv->bt_status = scan_notif->bt_status;
+ queue_work(priv->workqueue, &priv->bt_traffic_change_work);
+ }
queue_work(priv->workqueue, &priv->scan_completed);
}
@@ -268,18 +286,28 @@ u16 iwl_get_passive_dwell_time(struct iwl_priv *priv,
enum ieee80211_band band,
struct ieee80211_vif *vif)
{
+ struct iwl_rxon_context *ctx;
u16 passive = (band == IEEE80211_BAND_2GHZ) ?
IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_24 :
IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_52;
- if (iwl_is_associated(priv)) {
- /* If we're associated, we clamp the maximum passive
- * dwell time to be 98% of the beacon interval (minus
- * 2 * channel tune time) */
- passive = vif ? vif->bss_conf.beacon_int : 0;
- if ((passive > IWL_PASSIVE_DWELL_BASE) || !passive)
- passive = IWL_PASSIVE_DWELL_BASE;
- passive = (passive * 98) / 100 - IWL_CHANNEL_TUNE_TIME * 2;
+ if (iwl_is_any_associated(priv)) {
+ /*
+ * If we're associated, we clamp the maximum passive
+ * dwell time to be 98% of the smallest beacon interval
+ * (minus 2 * channel tune time)
+ */
+ for_each_context(priv, ctx) {
+ u16 value;
+
+ if (!iwl_is_associated_ctx(ctx))
+ continue;
+ value = ctx->vif ? ctx->vif->bss_conf.beacon_int : 0;
+ if ((value > IWL_PASSIVE_DWELL_BASE) || !value)
+ value = IWL_PASSIVE_DWELL_BASE;
+ value = (value * 98) / 100 - IWL_CHANNEL_TUNE_TIME * 2;
+ passive = min(value, passive);
+ }
}
return passive;
@@ -509,6 +537,7 @@ static void iwl_bg_scan_completed(struct work_struct *work)
container_of(work, struct iwl_priv, scan_completed);
bool internal = false;
bool scan_completed = false;
+ struct iwl_rxon_context *ctx;
IWL_DEBUG_SCAN(priv, "SCAN complete scan\n");
@@ -539,11 +568,13 @@ static void iwl_bg_scan_completed(struct work_struct *work)
* Since setting the RXON may have been deferred while
* performing the scan, fire one off if needed
*/
- if (memcmp(&priv->active_rxon,
- &priv->staging_rxon, sizeof(priv->staging_rxon)))
- iwlcore_commit_rxon(priv);
+ for_each_context(priv, ctx)
+ iwlcore_commit_rxon(priv, ctx);
out:
+ if (priv->cfg->ops->hcmd->set_pan_params)
+ priv->cfg->ops->hcmd->set_pan_params(priv);
+
mutex_unlock(&priv->mutex);
/*