OpenWrt
| /branches/18.06.1/target/linux/generic/pending-4.14/616-net_optimize_xfrm_calls.patch |
|---|
| @@ -0,0 +1,20 @@ |
| 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(+) |
| --- a/net/netfilter/nf_nat_core.c |
| +++ b/net/netfilter/nf_nat_core.c |
| @@ -90,6 +90,9 @@ int nf_xfrm_me_harder(struct net *net, s |
| 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; |