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-rw-r--r--include/net/inet_hashtables.h11
-rw-r--r--include/net/inet_sock.h8
2 files changed, 19 insertions, 0 deletions
diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index 4ae060b4bac2..0ce460e93dc4 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -189,6 +189,17 @@ static inline void inet_ehash_locks_free(struct inet_hashinfo *hashinfo)
hashinfo->ehash_locks = NULL;
}
+static inline bool inet_sk_bound_dev_eq(struct net *net, int bound_dev_if,
+ int dif, int sdif)
+{
+#if IS_ENABLED(CONFIG_NET_L3_MASTER_DEV)
+ return inet_bound_dev_eq(!!net->ipv4.sysctl_tcp_l3mdev_accept,
+ bound_dev_if, dif, sdif);
+#else
+ return inet_bound_dev_eq(true, bound_dev_if, dif, sdif);
+#endif
+}
+
struct inet_bind_bucket *
inet_bind_bucket_create(struct kmem_cache *cachep, struct net *net,
struct inet_bind_hashbucket *head,
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index ed3f723af00b..e8eef85006aa 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -143,6 +143,14 @@ static inline int inet_sk_bound_l3mdev(const struct sock *sk)
return 0;
}
+static inline bool inet_bound_dev_eq(bool l3mdev_accept, int bound_dev_if,
+ int dif, int sdif)
+{
+ if (!bound_dev_if)
+ return !sdif || l3mdev_accept;
+ return bound_dev_if == dif || bound_dev_if == sdif;
+}
+
struct inet_cork {
unsigned int flags;
__be32 addr;