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-rw-r--r--net/ipv6/ila/ila_lwt.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/ipv6/ila/ila_lwt.c b/net/ipv6/ila/ila_lwt.c
index d0a98d9ed313..9fafba62aaa7 100644
--- a/net/ipv6/ila/ila_lwt.c
+++ b/net/ipv6/ila/ila_lwt.c
@@ -36,6 +36,7 @@ static inline struct ila_params *ila_params_lwtunnel(
static int ila_output(struct net *net, struct sock *sk, struct sk_buff *skb)
{
struct dst_entry *orig_dst = skb_dst(skb);
+ struct rt6_info *rt = (struct rt6_info *)orig_dst;
struct ila_lwt *ilwt = ila_lwt_lwtunnel(orig_dst->lwtstate);
struct dst_entry *dst;
int err = -EINVAL;
@@ -46,6 +47,13 @@ static int ila_output(struct net *net, struct sock *sk, struct sk_buff *skb)
ila_update_ipv6_locator(skb, ila_params_lwtunnel(orig_dst->lwtstate),
true);
+ if (rt->rt6i_flags & (RTF_GATEWAY | RTF_CACHE)) {
+ /* Already have a next hop address in route, no need for
+ * dest cache route.
+ */
+ return orig_dst->lwtstate->orig_output(net, sk, skb);
+ }
+
dst = dst_cache_get(&ilwt->dst_cache);
if (unlikely(!dst)) {
struct ipv6hdr *ip6h = ipv6_hdr(skb);