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-rw-r--r--include/linux/igmp.h3
-rw-r--r--include/linux/ipv6.h10
2 files changed, 12 insertions, 1 deletions
diff --git a/include/linux/igmp.h b/include/linux/igmp.h
index 97caf1821de8..f8231854b5d6 100644
--- a/include/linux/igmp.h
+++ b/include/linux/igmp.h
@@ -118,7 +118,8 @@ extern int ip_mc_msfget(struct sock *sk, struct ip_msfilter *msf,
struct ip_msfilter __user *optval, int __user *optlen);
extern int ip_mc_gsfget(struct sock *sk, struct group_filter *gsf,
struct group_filter __user *optval, int __user *optlen);
-extern int ip_mc_sf_allow(struct sock *sk, __be32 local, __be32 rmt, int dif);
+extern int ip_mc_sf_allow(struct sock *sk, __be32 local, __be32 rmt,
+ int dif, int sdif);
extern void ip_mc_init_dev(struct in_device *);
extern void ip_mc_destroy_dev(struct in_device *);
extern void ip_mc_up(struct in_device *);
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 474d6bbc158c..ac2da4e11d5e 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -159,6 +159,16 @@ static inline bool inet6_is_jumbogram(const struct sk_buff *skb)
}
/* can not be used in TCP layer after tcp_v6_fill_cb */
+static inline int inet6_sdif(const struct sk_buff *skb)
+{
+#if IS_ENABLED(CONFIG_NET_L3_MASTER_DEV)
+ if (skb && ipv6_l3mdev_skb(IP6CB(skb)->flags))
+ return IP6CB(skb)->iif;
+#endif
+ return 0;
+}
+
+/* can not be used in TCP layer after tcp_v6_fill_cb */
static inline bool inet6_exact_dif_match(struct net *net, struct sk_buff *skb)
{
#if defined(CONFIG_NET_L3_MASTER_DEV)