X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fbridge%2Fbr_if.c;h=b1211d5342f6cac5f43926a2c6a39f1651cb6761;hb=aa43f77939c97bf9d3580c6a5e71a5a40290e451;hp=f5d47bf4f9675cac0b7ead68f1c25f92ba5f785c;hpb=e44e20ff1273cf96c7f195297208f654c49295cf;p=pandora-kernel.git

diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index f5d47bf4f967..b1211d5342f6 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -372,17 +372,33 @@ void br_features_recompute(struct net_bridge *br)
 	struct net_bridge_port *p;
 	unsigned long features, checksum;
 
-	features = br->feature_mask &~ NETIF_F_IP_CSUM;
-	checksum = br->feature_mask & NETIF_F_IP_CSUM;
+	checksum = br->feature_mask & NETIF_F_ALL_CSUM ? NETIF_F_NO_CSUM : 0;
+	features = br->feature_mask & ~NETIF_F_ALL_CSUM;
 
 	list_for_each_entry(p, &br->port_list, list) {
-		if (!(p->dev->features 
-		      & (NETIF_F_IP_CSUM|NETIF_F_NO_CSUM|NETIF_F_HW_CSUM)))
+		unsigned long feature = p->dev->features;
+
+		if (checksum & NETIF_F_NO_CSUM && !(feature & NETIF_F_NO_CSUM))
+			checksum ^= NETIF_F_NO_CSUM | NETIF_F_HW_CSUM;
+		if (checksum & NETIF_F_HW_CSUM && !(feature & NETIF_F_HW_CSUM))
+			checksum ^= NETIF_F_HW_CSUM | NETIF_F_IP_CSUM;
+		if (!(feature & NETIF_F_IP_CSUM))
 			checksum = 0;
-		features &= p->dev->features;
+
+		if (feature & NETIF_F_GSO)
+			feature |= NETIF_F_GSO_SOFTWARE;
+		feature |= NETIF_F_GSO;
+
+		features &= feature;
 	}
 
-	br->dev->features = features | checksum | NETIF_F_LLTX;
+	if (!(checksum & NETIF_F_ALL_CSUM))
+		features &= ~NETIF_F_SG;
+	if (!(features & NETIF_F_SG))
+		features &= ~NETIF_F_GSO_MASK;
+
+	br->dev->features = features | checksum | NETIF_F_LLTX |
+			    NETIF_F_GSO_ROBUST;
 }
 
 /* called with RTNL */