In case the route is stale, pass up the packet to the classic forwarding path for re-evaluation and schedule this flow entry for removal. Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> --- net/netfilter/nf_flow_table_ip.c | 12 ++---------- 1 file changed, 2 insertions(+), 10 deletions(-) diff --git a/net/netfilter/nf_flow_table_ip.c b/net/netfilter/nf_flow_table_ip.c index 714dc083f093..3a8423899def 100644 --- a/net/netfilter/nf_flow_table_ip.c +++ b/net/netfilter/nf_flow_table_ip.c @@ -197,14 +197,6 @@ static bool nf_flow_exceeds_mtu(const struct sk_buff *skb, unsigned int mtu) return true; } -static int nf_flow_offload_dst_check(struct dst_entry *dst) -{ - if (unlikely(dst_xfrm(dst))) - return dst_check(dst, 0) ? 0 : -1; - - return 0; -} - static unsigned int nf_flow_xmit_xfrm(struct sk_buff *skb, const struct nf_hook_state *state, struct dst_entry *dst) @@ -256,7 +248,7 @@ nf_flow_offload_ip_hook(void *priv, struct sk_buff *skb, flow_offload_refresh(flow_table, flow); - if (nf_flow_offload_dst_check(&rt->dst)) { + if (!dst_check(&rt->dst, 0)) { flow_offload_teardown(flow); return NF_ACCEPT; } @@ -476,7 +468,7 @@ nf_flow_offload_ipv6_hook(void *priv, struct sk_buff *skb, flow_offload_refresh(flow_table, flow); - if (nf_flow_offload_dst_check(&rt->dst)) { + if (!dst_check(&rt->dst, 0)) { flow_offload_teardown(flow); return NF_ACCEPT; } -- 2.20.1