mac80211: manage carrier state in mesh

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=c405c6298eacd423098afacf6020ddbda1b0378b
Commit:     c405c6298eacd423098afacf6020ddbda1b0378b
Parent:     2d56577bc68e56097a1cd6599b678e8cab758e64
Author:     Johannes Berg <johannes.berg at intel.com>
AuthorDate: Mon Jul 30 19:44:12 2012 +0200
Committer:  Johannes Berg <johannes.berg at intel.com>
CommitDate: Tue Jul 31 16:18:59 2012 +0200

    mac80211: manage carrier state in mesh
    
    Instead of assuming the carrier is on all
    the time in mesh manage it with joining
    and leaving the mesh.
    
    Signed-off-by: Johannes Berg <johannes.berg at intel.com>
---
 net/mac80211/iface.c |   12 ++++++++----
 net/mac80211/mesh.c  |    4 ++++
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index fc8ba83..c65a03b 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -539,12 +539,16 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
 		changed |= ieee80211_reset_erp_info(sdata);
 		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_AP)
+		switch (sdata->vif.type) {
+		case NL80211_IFTYPE_STATION:
+		case NL80211_IFTYPE_ADHOC:
+		case NL80211_IFTYPE_AP:
+		case NL80211_IFTYPE_MESH_POINT:
 			netif_carrier_off(dev);
-		else
+			break;
+		default:
 			netif_carrier_on(dev);
+		}
 
 		/*
 		 * set default queue parameters so drivers don't
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 03f1696..571d518 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -610,6 +610,8 @@ void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)
 						BSS_CHANGED_HT |
 						BSS_CHANGED_BASIC_RATES |
 						BSS_CHANGED_BEACON_INT);
+
+	netif_carrier_on(sdata->dev);
 }
 
 void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
@@ -617,6 +619,8 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
 	struct ieee80211_local *local = sdata->local;
 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
 
+	netif_carrier_off(sdata->dev);
+
 	ifmsh->mesh_id_len = 0;
 	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
 	sta_info_flush(local, NULL);