From: Jo-Philipp Wich <jow@openwrt.org>
Date: Sun, 17 Jul 2011 17:10:30 +0000 (+0000)
Subject: base-files: implement a generic mechanism to map per-interface sysctls to uci. -... 
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=0de28706ca0d805f0a5b57494baba23a29ce5d27;p=openwrt%2Fstaging%2Frobimarko.git

base-files: implement a generic mechanism to map per-interface sysctls to uci. - option ipv4_xyz is mapped to /proc/sys/net/ipv4/{conf,neigh}/xyz - option ipv6_xyz is mapped to /proc/sys/net/ipv6/{conf,neigh}/xyz This allows e.g. "option ipv6_proxy_ndp 1" to enable NDP proxying on wan. Fixes ticket #8699.

SVN-Revision: 27653
---

diff --git a/package/base-files/Makefile b/package/base-files/Makefile
index d537ed3c17..9cac1f058b 100644
--- a/package/base-files/Makefile
+++ b/package/base-files/Makefile
@@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/kernel.mk
 
 PKG_NAME:=base-files
-PKG_RELEASE:=75
+PKG_RELEASE:=76
 
 PKG_FILE_DEPENDS:=$(PLATFORM_DIR)/ $(GENERIC_PLATFORM_DIR)/base-files/
 PKG_BUILD_DEPENDS:=opkg/host
diff --git a/package/base-files/files/lib/network/config.sh b/package/base-files/files/lib/network/config.sh
index 03d7ca1f7a..cf5b197b59 100755
--- a/package/base-files/files/lib/network/config.sh
+++ b/package/base-files/files/lib/network/config.sh
@@ -9,6 +9,23 @@ do_sysctl() {
 		sysctl -n -e "$1"
 }
 
+map_sysctls() {
+	local cfg="$1"
+	local ifn="$2"
+
+	local fam
+	for fam in ipv4 ipv6; do
+		if [ -d /proc/sys/net/$fam ]; then
+			local key
+			for key in /proc/sys/net/$fam/*/$ifn/*; do
+				local val
+				config_get val "$cfg" "${fam}_${key##*/}"
+				[ -n "$val" ] && echo -n "$val" > "$key"
+			done
+		fi
+	done
+}
+
 find_config() {
 	local iftype device iface ifaces ifn
 	for ifn in $interfaces; do
@@ -156,6 +173,9 @@ prepare_interface() {
 			ifconfig "$iface" down
 			ifconfig "$iface" hw ether "$vifmac" up
 		}
+
+		# Apply sysctl settings
+		map_sysctls "$config" "$iface"
 	}
 
 	# Setup VLAN interfaces