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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>
This commit is contained in:
Johannes Berg 2012-04-03 10:24:00 +02:00 committed by John W. Linville
parent fe40cb6274
commit 3edaf3e61f
2 changed files with 16 additions and 3 deletions
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10
net/mac80211/cfg.c
View File

@ -644,6 +644,10 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
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_change_beacon(struct wiphy *wiphy, struct net_device *dev,
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 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
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);

9
net/mac80211/iface.c
View File

@ -254,7 +254,11 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
switch (sdata->vif.type) {
case NL80211_IFTYPE_AP_VLAN:
/* no need to tell driver */
/* no need to tell driver, but set carrier */
if (rtnl_dereference(sdata->bss->beacon))
netif_carrier_on(dev);
else
netif_carrier_off(dev);
break;
case NL80211_IFTYPE_MONITOR:
if (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES) {
@ -294,7 +298,8 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
ieee80211_bss_info_change_notify(sdata, changed);
if (sdata->vif.type == NL80211_IFTYPE_STATION ||
sdata->vif.type == NL80211_IFTYPE_ADHOC)
sdata->vif.type == NL80211_IFTYPE_ADHOC ||
sdata->vif.type == NL80211_IFTYPE_AP)
netif_carrier_off(dev);
else
netif_carrier_on(dev);