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Diffstat (limited to 'include/linux/ipv6.h')
-rw-r--r--include/linux/ipv6.h17
1 files changed, 16 insertions, 1 deletions
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 58d6e158755f..5c91b0b055d4 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -118,14 +118,29 @@ struct inet6_skb_parm {
#define IP6SKB_ROUTERALERT 8
#define IP6SKB_FRAGMENTED 16
#define IP6SKB_HOPBYHOP 32
+#define IP6SKB_L3SLAVE 64
};
+#if defined(CONFIG_NET_L3_MASTER_DEV)
+static inline bool skb_l3mdev_slave(__u16 flags)
+{
+ return flags & IP6SKB_L3SLAVE;
+}
+#else
+static inline bool skb_l3mdev_slave(__u16 flags)
+{
+ return false;
+}
+#endif
+
#define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb))
#define IP6CBMTU(skb) ((struct ip6_mtuinfo *)((skb)->cb))
static inline int inet6_iif(const struct sk_buff *skb)
{
- return IP6CB(skb)->iif;
+ bool l3_slave = skb_l3mdev_slave(IP6CB(skb)->flags);
+
+ return l3_slave ? skb->skb_iif : IP6CB(skb)->iif;
}
struct tcp6_request_sock {