diff options
Diffstat (limited to 'target/linux/generic/pending-4.9/616-net_optimize_xfrm_calls.patch')
| -rw-r--r-- | target/linux/generic/pending-4.9/616-net_optimize_xfrm_calls.patch | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/generic/pending-4.9/616-net_optimize_xfrm_calls.patch b/target/linux/generic/pending-4.9/616-net_optimize_xfrm_calls.patch new file mode 100644 index 0000000000..d39b531f8c --- /dev/null +++ b/target/linux/generic/pending-4.9/616-net_optimize_xfrm_calls.patch @@ -0,0 +1,25 @@ +From: Felix Fietkau <nbd@nbd.name> +Subject: kernel: add a small xfrm related performance optimization + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + net/netfilter/nf_nat_core.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c +index 5b9c884a452e..4ea363755085 100644 +--- a/net/netfilter/nf_nat_core.c ++++ b/net/netfilter/nf_nat_core.c +@@ -95,6 +95,9 @@ int nf_xfrm_me_harder(struct net *net, struct sk_buff *skb, unsigned int family) + struct dst_entry *dst; + int err; + ++ if (skb->dev && !dev_net(skb->dev)->xfrm.policy_count[XFRM_POLICY_OUT]) ++ return 0; ++ + err = xfrm_decode_session(skb, &fl, family); + if (err < 0) + return err; +-- +2.11.0 + |