Merge git://git.samba.org/sfrench/cifs-2.6

[karo-tx-linux.git] / net / ipv4 / ip_gre.c

diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 2b53a1f7abf6bf57509279cff831b7082040e558..6b3ca5ba4450599e15ebe8b3ed5597a51051821f 100644 (file)
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -422,6 +422,10 @@ static struct ip_tunnel *ipgre_tunnel_locate(struct net *net,
        if (register_netdevice(dev) < 0)
                goto failed_free;
 
+       /* Can use a lockless transmit, unless we generate output sequences */
+       if (!(nt->parms.o_flags & GRE_SEQ))
+               dev->features |= NETIF_F_LLTX;
+
        dev_hold(dev);
        ipgre_tunnel_link(ign, nt);
        return nt;