mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-12 13:55:32 +00:00
netfilter: flowtable: call dst_check() to fall back to classic forwarding
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@netfilter.org>
This commit is contained in:
parent
f4401262b9
commit
e5075c0bad
1 changed files with 2 additions and 10 deletions
|
@ -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;
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue