kernel: describe bridge patch "optimize netfilter hooks"

It was initially added in r30917 by nbd.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@46827 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/generic/patches-3.18/644-bridge_optimize_netfilter_hooks.patch b/target/linux/generic/patches-3.18/644-bridge_optimize_netfilter_hooks.patch
index 4df94ca..3572661 100644 (file)
--- a/target/linux/generic/patches-3.18/644-bridge_optimize_netfilter_hooks.patch
+++ b/target/linux/generic/patches-3.18/644-bridge_optimize_netfilter_hooks.patch
@@ -1,3 +1,10 @@
+From: Felix Fietkau <nbd@openwrt.org>
+Subject: [PATCH] bridge: optimize netfilter hooks
+
+Bypass all netfilter hooks if the sysctls for that functionality have
+been disabled - eliminates the overhead of enabling
+CONFIG_BRIDGE_NETFILTER in the kernel config
+---
 --- a/net/bridge/br_forward.c
 +++ b/net/bridge/br_forward.c
 @@ -53,7 +53,7 @@ EXPORT_SYMBOL_GPL(br_dev_queue_push_xmit

diff --git a/target/linux/generic/patches-4.0/644-bridge_optimize_netfilter_hooks.patch b/target/linux/generic/patches-4.0/644-bridge_optimize_netfilter_hooks.patch
index 0efa296..8a11ae3 100644 (file)
--- a/target/linux/generic/patches-4.0/644-bridge_optimize_netfilter_hooks.patch
+++ b/target/linux/generic/patches-4.0/644-bridge_optimize_netfilter_hooks.patch
@@ -1,3 +1,10 @@
+From: Felix Fietkau <nbd@openwrt.org>
+Subject: [PATCH] bridge: optimize netfilter hooks
+
+Bypass all netfilter hooks if the sysctls for that functionality have
+been disabled - eliminates the overhead of enabling
+CONFIG_BRIDGE_NETFILTER in the kernel config
+---
 --- a/net/bridge/br_forward.c
 +++ b/net/bridge/br_forward.c
 @@ -53,7 +53,7 @@ EXPORT_SYMBOL_GPL(br_dev_queue_push_xmit

diff --git a/target/linux/generic/patches-4.1/644-bridge_optimize_netfilter_hooks.patch b/target/linux/generic/patches-4.1/644-bridge_optimize_netfilter_hooks.patch
index 5b5a7f3..f338e05 100644 (file)
--- a/target/linux/generic/patches-4.1/644-bridge_optimize_netfilter_hooks.patch
+++ b/target/linux/generic/patches-4.1/644-bridge_optimize_netfilter_hooks.patch
@@ -1,3 +1,10 @@
+From: Felix Fietkau <nbd@openwrt.org>
+Subject: [PATCH] bridge: optimize netfilter hooks
+
+Bypass all netfilter hooks if the sysctls for that functionality have
+been disabled - eliminates the overhead of enabling
+CONFIG_BRIDGE_NETFILTER in the kernel config
+---
 --- a/net/bridge/br_forward.c
 +++ b/net/bridge/br_forward.c
 @@ -51,7 +51,7 @@ EXPORT_SYMBOL_GPL(br_dev_queue_push_xmit