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-rw-r--r--include/linux/netdevice.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 8e03b06e638..1eaf5ae14fe 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1917,6 +1917,16 @@ static inline void netif_set_gso_max_size(struct net_device *dev,
dev->gso_max_size = size;
}
+static inline void skb_bond_set_mac_by_master(struct sk_buff *skb,
+ struct net_device *master)
+{
+ if (skb->pkt_type == PACKET_HOST) {
+ u16 *dest = (u16 *) eth_hdr(skb)->h_dest;
+
+ memcpy(dest, master->dev_addr, ETH_ALEN);
+ }
+}
+
/* On bonding slaves other than the currently active slave, suppress
* duplicates except for 802.3ad ETH_P_SLOW, alb non-mcast/bcast, and
* ARP on active-backup slaves with arp_validate enabled.
@@ -1930,6 +1940,14 @@ static inline int skb_bond_should_drop(struct sk_buff *skb)
if (master->priv_flags & IFF_MASTER_ARPMON)
dev->last_rx = jiffies;
+ if ((master->priv_flags & IFF_MASTER_ALB) && master->br_port) {
+ /* Do address unmangle. The local destination address
+ * will be always the one master has. Provides the right
+ * functionality in a bridge.
+ */
+ skb_bond_set_mac_by_master(skb, master);
+ }
+
if (dev->priv_flags & IFF_SLAVE_INACTIVE) {
if ((dev->priv_flags & IFF_SLAVE_NEEDARP) &&
skb->protocol == __cpu_to_be16(ETH_P_ARP))