mac80211: manage AP netdev carrier state
The AP netdev is really only active when beaconing, so
manage the carrier state accordingly. Also do that for
VLAN interfaces enslaved to a given AP interface.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 42e1fb2..667d939 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -644,6 +644,10 @@
ieee80211_bss_info_change_notify(sdata, changed);
+ netif_carrier_on(dev);
+ list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
+ netif_carrier_on(vlan->dev);
+
return 0;
}
@@ -669,7 +673,7 @@
static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
{
- struct ieee80211_sub_if_data *sdata;
+ struct ieee80211_sub_if_data *sdata, *vlan;
struct beacon_data *old;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
@@ -678,6 +682,10 @@
if (!old)
return -ENOENT;
+ list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
+ netif_carrier_off(vlan->dev);
+ netif_carrier_off(dev);
+
RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
kfree_rcu(old, rcu_head);