Refresh the timeout (and retry hardware offload) once the skbuff dst
is confirmed to be current and after the skbuff is made writable.
Signed-off-by: Pablo Neira Ayuso <pa...@netfilter.org>
---
net/netfilter/nf_flow_table_ip.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/net/netfilter/nf_flow_table_ip.c b/net/netfilter/nf_flow_table_ip.c
index 3a8423899def..3be58b6d60af 100644
--- a/net/netfilter/nf_flow_table_ip.c
+++ b/net/netfilter/nf_flow_table_ip.c
@@ -246,8 +246,6 @@ nf_flow_offload_ip_hook(void *priv, struct sk_buff *skb,
if (nf_flow_state_check(flow, iph->protocol, skb, thoff))
return NF_ACCEPT;
- flow_offload_refresh(flow_table, flow);
-
if (!dst_check(&rt->dst, 0)) {
flow_offload_teardown(flow);
return NF_ACCEPT;
@@ -256,6 +254,8 @@ nf_flow_offload_ip_hook(void *priv, struct sk_buff *skb,
if (skb_try_make_writable(skb, thoff + hdrsize))
return NF_DROP;
+ flow_offload_refresh(flow_table, flow);
+
iph = ip_hdr(skb);
nf_flow_nat_ip(flow, skb, thoff, dir, iph);
@@ -466,8 +466,6 @@ nf_flow_offload_ipv6_hook(void *priv, struct sk_buff *skb,
sizeof(*ip6h)))
return NF_ACCEPT;
- flow_offload_refresh(flow_table, flow);
-
if (!dst_check(&rt->dst, 0)) {
flow_offload_teardown(flow);
return NF_ACCEPT;
@@ -476,6 +474,8 @@ nf_flow_offload_ipv6_hook(void *priv, struct sk_buff *skb,
if (skb_try_make_writable(skb, sizeof(*ip6h) + hdrsize))
return NF_DROP;
+ flow_offload_refresh(flow_table, flow);
+
ip6h = ipv6_hdr(skb);
nf_flow_nat_ipv6(flow, skb, dir, ip6h);
--
2.20.1
