mac80211: improve HT channel handling

[deliverable/linux.git] / net / mac80211 / main.c

diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index ec8f767ba95b4979c334754866318f7767c15b08..d763d76e809f075424cd74faaf438f2a56ccd607 100644 (file)
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -111,7 +111,7 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
                channel_type = local->tmp_channel_type;
        } else {
                chan = local->oper_channel;
-               channel_type = local->oper_channel_type;
+               channel_type = local->_oper_channel_type;
        }
 
        if (chan != local->hw.conf.channel ||
@@ -225,11 +225,11 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
                        switch (sdata->vif.type) {
                        case NL80211_IFTYPE_AP:
                                sdata->vif.bss_conf.enable_beacon =
-                                       !!rcu_dereference(sdata->u.ap.beacon);
+                                       !!sdata->u.ap.beacon;
                                break;
                        case NL80211_IFTYPE_ADHOC:
                                sdata->vif.bss_conf.enable_beacon =
-                                       !!rcu_dereference(sdata->u.ibss.presp);
+                                       !!sdata->u.ibss.presp;
                                break;
                        case NL80211_IFTYPE_MESH_POINT:
                                sdata->vif.bss_conf.enable_beacon = true;
@@ -309,6 +309,8 @@ void ieee80211_restart_hw(struct ieee80211_hw *hw)
 {
        struct ieee80211_local *local = hw_to_local(hw);
 
+       trace_api_restart_hw(local);
+
        /* use this reason, __ieee80211_resume will unblock it */
        ieee80211_stop_queues_by_reason(hw,
                IEEE80211_QUEUE_STOP_REASON_SUSPEND);
@@ -437,7 +439,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
        struct ieee80211_local *local = hw_to_local(hw);
        int result;
        enum ieee80211_band band;
-       int channels, i, j, max_bitrates;
+       int channels, max_bitrates;
        bool supp_ht;
        static const u32 cipher_suites[] = {
                WLAN_CIPHER_SUITE_WEP40,
@@ -558,11 +560,17 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 
        debugfs_hw_add(local);
 
+       /*
+        * if the driver doesn't specify a max listen interval we
+        * use 5 which should be a safe default
+        */
        if (local->hw.max_listen_interval == 0)
-               local->hw.max_listen_interval = 1;
+               local->hw.max_listen_interval = 5;
 
        local->hw.conf.listen_interval = local->hw.max_listen_interval;
 
+       local->hw.conf.dynamic_ps_forced_timeout = -1;
+
        result = sta_info_start(local);
        if (result < 0)
                goto fail_sta_info;
@@ -597,21 +605,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 
        ieee80211_led_init(local);
 
-       /* alloc internal scan request */
-       i = 0;
-       local->int_scan_req->ssids = &local->scan_ssid;
-       local->int_scan_req->n_ssids = 1;
-       for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
-               if (!hw->wiphy->bands[band])
-                       continue;
-               for (j = 0; j < hw->wiphy->bands[band]->n_channels; j++) {
-                       local->int_scan_req->channels[i] =
-                               &hw->wiphy->bands[band]->channels[j];
-                       i++;
-               }
-       }
-       local->int_scan_req->n_channels = i;
-
        local->network_latency_notifier.notifier_call =
                ieee80211_max_network_latency;
        result = pm_qos_add_notifier(PM_QOS_NETWORK_LATENCY,