From f00644a7e6b69b0a7e25390500416c3eae0e2c92 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Wed, 6 Aug 2014 10:30:14 +0000 Subject: [PATCH] kernel: add a small xfrm related performance optimization Signed-off-by: Felix Fietkau Backport of r41950 SVN-Revision: 42008 --- .../patches-3.10/616-net_optimize_xfrm_calls.patch | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 target/linux/generic/patches-3.10/616-net_optimize_xfrm_calls.patch diff --git a/target/linux/generic/patches-3.10/616-net_optimize_xfrm_calls.patch b/target/linux/generic/patches-3.10/616-net_optimize_xfrm_calls.patch new file mode 100644 index 0000000000..a21fec70c6 --- /dev/null +++ b/target/linux/generic/patches-3.10/616-net_optimize_xfrm_calls.patch @@ -0,0 +1,13 @@ +--- a/net/netfilter/nf_nat_core.c ++++ b/net/netfilter/nf_nat_core.c +@@ -89,6 +89,9 @@ int nf_xfrm_me_harder(struct sk_buff *sk + struct dst_entry *dst; + int err; + ++ if (!dev_net(skb->dev)->xfrm.policy_count[XFRM_POLICY_OUT]) ++ return 0; ++ + err = xfrm_decode_session(skb, &fl, family); + if (err < 0) + return err; + -- 2.30.2