From ea7c9c85a8bc5b6b91594572b60ef20d5763c932 Mon Sep 17 00:00:00 2001
From: Steven Barth <cyrus@openwrt.org>
Date: Tue, 29 Jan 2013 10:13:33 +0000
Subject: [PATCH] base-files: Fix race-conditions with IPv6 sysctls

SVN-Revision: 35368
---
 package/base-files/Makefile                    | 2 +-
 package/base-files/files/etc/init.d/boot       | 3 +++
 package/base-files/files/etc/sysctl.conf       | 3 ++-
 package/base-files/files/etc/sysctl_early.conf | 3 +++
 4 files changed, 9 insertions(+), 2 deletions(-)
 create mode 100644 package/base-files/files/etc/sysctl_early.conf

diff --git a/package/base-files/Makefile b/package/base-files/Makefile
index 353b9ae3929..8943c469d83 100644
--- a/package/base-files/Makefile
+++ b/package/base-files/Makefile
@@ -11,7 +11,7 @@ include $(INCLUDE_DIR)/kernel.mk
 include $(INCLUDE_DIR)/version.mk
 
 PKG_NAME:=base-files
-PKG_RELEASE:=129
+PKG_RELEASE:=130
 
 PKG_FILE_DEPENDS:=$(PLATFORM_DIR)/ $(GENERIC_PLATFORM_DIR)/base-files/
 PKG_BUILD_DEPENDS:=opkg/host
diff --git a/package/base-files/files/etc/init.d/boot b/package/base-files/files/etc/init.d/boot
index ef97383d8d9..18003423676 100755
--- a/package/base-files/files/etc/init.d/boot
+++ b/package/base-files/files/etc/init.d/boot
@@ -95,6 +95,9 @@ start() {
 		rootdev=$(awk 'BEGIN { RS=" "; FS="="; } $1 == "root" { print $2 }' < /proc/cmdline)
 		[ -n "$rootdev" ] && ln -s "$rootdev" /dev/root
 	}
+
+	# run early sysctl
+	[ -f /etc/sysctl_early.conf ] && sysctl -p /etc/sysctl_early.conf -e >&-
 }
 
 stop() {
diff --git a/package/base-files/files/etc/sysctl.conf b/package/base-files/files/etc/sysctl.conf
index 1841dd4ca59..890e77af8ef 100644
--- a/package/base-files/files/etc/sysctl.conf
+++ b/package/base-files/files/etc/sysctl.conf
@@ -12,7 +12,8 @@ net.ipv4.tcp_timestamps=1
 net.ipv4.tcp_sack=1
 net.ipv4.tcp_dsack=1
 
-net.ipv6.conf.default.forwarding=1
+net.ipv6.conf.default.forwarding=2
+net.ipv6.conf.all.forwarding=2
 
 net.netfilter.nf_conntrack_acct=1
 net.netfilter.nf_conntrack_checksum=0
diff --git a/package/base-files/files/etc/sysctl_early.conf b/package/base-files/files/etc/sysctl_early.conf
new file mode 100644
index 00000000000..6f2eeea0403
--- /dev/null
+++ b/package/base-files/files/etc/sysctl_early.conf
@@ -0,0 +1,3 @@
+# Avoid race-conditions with SLAAC
+net.ipv6.conf.default.accept_ra=0
+net.ipv6.conf.all.accept_ra=0