diff options
| -rw-r--r-- | net/ipv6/ila/ila_lwt.c | 8 |
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); |