Merge remote-tracking branches 'asoc/topic/fsl-spdif', 'asoc/topic/hdmi', 'asoc/topic...

[linux-2.6-block.git] / include / linux / netdevice.h

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index f45929ce815725d868261e9a2585ac53d0c8f128..da4b33bea9828857a28ab9060cbfe2d491cd3058 100644 (file)
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -4145,6 +4145,13 @@ static inline void netif_keep_dst(struct net_device *dev)
        dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_XMIT_DST_RELEASE_PERM);
 }
 
+/* return true if dev can't cope with mtu frames that need vlan tag insertion */
+static inline bool netif_reduces_vlan_mtu(struct net_device *dev)
+{
+       /* TODO: reserve and use an additional IFF bit, if we get more users */
+       return dev->priv_flags & IFF_MACSEC;
+}
+
 extern struct pernet_operations __net_initdata loopback_net_ops;
 
 /* Logging, debugging and troubleshooting/diagnostic helpers. */