Merge branch 'linus' into perf/core, to refresh the branch

Signed-off-by: Ingo Molnar <[email protected]>

1 files changed, 18 insertions, 2 deletions

diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 7edc14fb66b6..5c91b0b055d4 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -63,7 +63,8 @@ struct ipv6_devconf {
 	} stable_secret;
 	__s32		use_oif_addrs_only;
 	__s32		keep_addr_on_down;
-	void		*sysctl;
+
+	struct ctl_table_header *sysctl_header;
 };
 
 struct ipv6_params {
@@ -117,14 +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 {