summaryrefslogtreecommitdiff
path: root/net
diff options
context:
space:
mode:
Diffstat (limited to 'net')
-rw-r--r--net/netfilter/nf_flow_table_core.c13
-rw-r--r--net/netfilter/nf_flow_table_ip.c15
-rw-r--r--net/sched/act_ct.c1
3 files changed, 16 insertions, 13 deletions
diff --git a/net/netfilter/nf_flow_table_core.c b/net/netfilter/nf_flow_table_core.c
index 4af0327992cf..9a477bd563b7 100644
--- a/net/netfilter/nf_flow_table_core.c
+++ b/net/netfilter/nf_flow_table_core.c
@@ -252,6 +252,19 @@ int flow_offload_add(struct nf_flowtable *flow_table, struct flow_offload *flow)
}
EXPORT_SYMBOL_GPL(flow_offload_add);
+void flow_offload_refresh(struct nf_flowtable *flow_table,
+ struct flow_offload *flow)
+{
+ flow->timeout = nf_flowtable_time_stamp + NF_FLOW_TIMEOUT;
+
+ if (likely(!nf_flowtable_hw_offload(flow_table) ||
+ !test_and_clear_bit(NF_FLOW_HW_REFRESH, &flow->flags)))
+ return;
+
+ nf_flow_offload_add(flow_table, flow);
+}
+EXPORT_SYMBOL_GPL(flow_offload_refresh);
+
static inline bool nf_flow_has_expired(const struct flow_offload *flow)
{
return nf_flow_timeout_delta(flow->timeout) <= 0;
diff --git a/net/netfilter/nf_flow_table_ip.c b/net/netfilter/nf_flow_table_ip.c
index 9e563fd3da0f..5272721080f8 100644
--- a/net/netfilter/nf_flow_table_ip.c
+++ b/net/netfilter/nf_flow_table_ip.c
@@ -232,13 +232,6 @@ static unsigned int nf_flow_xmit_xfrm(struct sk_buff *skb,
return NF_STOLEN;
}
-static bool nf_flow_offload_refresh(struct nf_flowtable *flow_table,
- struct flow_offload *flow)
-{
- return nf_flowtable_hw_offload(flow_table) &&
- test_and_clear_bit(NF_FLOW_HW_REFRESH, &flow->flags);
-}
-
unsigned int
nf_flow_offload_ip_hook(void *priv, struct sk_buff *skb,
const struct nf_hook_state *state)
@@ -279,8 +272,7 @@ nf_flow_offload_ip_hook(void *priv, struct sk_buff *skb,
if (nf_flow_state_check(flow, ip_hdr(skb)->protocol, skb, thoff))
return NF_ACCEPT;
- if (unlikely(nf_flow_offload_refresh(flow_table, flow)))
- nf_flow_offload_add(flow_table, flow);
+ flow_offload_refresh(flow_table, flow);
if (nf_flow_offload_dst_check(&rt->dst)) {
flow_offload_teardown(flow);
@@ -290,7 +282,6 @@ nf_flow_offload_ip_hook(void *priv, struct sk_buff *skb,
if (nf_flow_nat_ip(flow, skb, thoff, dir) < 0)
return NF_DROP;
- flow->timeout = nf_flowtable_time_stamp + NF_FLOW_TIMEOUT;
iph = ip_hdr(skb);
ip_decrease_ttl(iph);
skb->tstamp = 0;
@@ -508,8 +499,7 @@ nf_flow_offload_ipv6_hook(void *priv, struct sk_buff *skb,
sizeof(*ip6h)))
return NF_ACCEPT;
- if (unlikely(nf_flow_offload_refresh(flow_table, flow)))
- nf_flow_offload_add(flow_table, flow);
+ flow_offload_refresh(flow_table, flow);
if (nf_flow_offload_dst_check(&rt->dst)) {
flow_offload_teardown(flow);
@@ -522,7 +512,6 @@ nf_flow_offload_ipv6_hook(void *priv, struct sk_buff *skb,
if (nf_flow_nat_ipv6(flow, skb, dir) < 0)
return NF_DROP;
- flow->timeout = nf_flowtable_time_stamp + NF_FLOW_TIMEOUT;
ip6h = ipv6_hdr(skb);
ip6h->hop_limit--;
skb->tstamp = 0;
diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c
index 31eef8a847d2..16fc731e5b03 100644
--- a/net/sched/act_ct.c
+++ b/net/sched/act_ct.c
@@ -531,6 +531,7 @@ static bool tcf_ct_flow_table_lookup(struct tcf_ct_params *p,
ctinfo = dir == FLOW_OFFLOAD_DIR_ORIGINAL ? IP_CT_ESTABLISHED :
IP_CT_ESTABLISHED_REPLY;
+ flow_offload_refresh(nf_ft, flow);
nf_conntrack_get(&ct->ct_general);
nf_ct_set(skb, ct, ctinfo);