main/busybox: backport ifupdown metric support

1 files changed, 64 insertions, 0 deletions

diff --git a/main/busybox/0001-ifupdown-support-metric-for-static-default-gw.patch b/main/busybox/0001-ifupdown-support-metric-for-static-default-gw.patch
new file mode 100644
index 0000000000..75e6ba7ce5
--- /dev/null
+++ b/main/busybox/0001-ifupdown-support-metric-for-static-default-gw.patch
@@ -0,0 +1,64 @@
+From cfcb1dac83c9e18a06a07f0b212f6701bb87c2ad Mon Sep 17 00:00:00 2001
+From: Natanael Copa <natanael.copa@gmail.com>
+Date: Fri, 17 Feb 2012 19:36:26 +0000
+Subject: [PATCH] ifupdown: support metric for static default gw
+
+This is useful when you have multiple ISPs with failover. It allows
+setting the priority of the static gateway and makes it possible
+to specify multiple static gateways.
+
+The ubuntu ifupdown supports it.
+
+function                                             old     new   delta
+.rodata                                           116725  116797     +72
+------------------------------------------------------------------------------
+(add/remove: 0/0 grow/shrink: 1/0 up/down: 72/0)               Total: 72 bytes
+   text    data     bss     dec     hex filename
+ 953343    7313    8984  969640   ecba8 busybox_old
+ 953415    7313    8984  969712   ecbf0 busybox_unstripped
+
+Signed-off-by: Natanael Copa <natanael.copa@gmail.com>
+Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
+---
+ networking/ifupdown.c |    8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/networking/ifupdown.c b/networking/ifupdown.c
+index 73da260..dfda206 100644
+--- a/networking/ifupdown.c
++++ b/networking/ifupdown.c
+@@ -403,11 +403,11 @@ static int FAST_FUNC static_up6(struct interface_defn_t *ifd, execfn *exec)
+ 	result = execute("ip addr add %address%/%netmask% dev %iface%[[ label %label%]]", ifd, exec);
+ 	result += execute("ip link set[[ mtu %mtu%]][[ addr %hwaddress%]] %iface% up", ifd, exec);
+ 	/* Was: "[[ ip ....%gateway% ]]". Removed extra spaces w/o checking */
+-	result += execute("[[ip route add ::/0 via %gateway%]]", ifd, exec);
++	result += execute("[[ip route add ::/0 via %gateway%]][[ prio %metric%]]", ifd, exec);
+ # else
+ 	result = execute("ifconfig %iface%[[ media %media%]][[ hw %hwaddress%]][[ mtu %mtu%]] up", ifd, exec);
+ 	result += execute("ifconfig %iface% add %address%/%netmask%", ifd, exec);
+-	result += execute("[[route -A inet6 add ::/0 gw %gateway%]]", ifd, exec);
++	result += execute("[[route -A inet6 add ::/0 gw %gateway%[[ metric %metric%]]]]", ifd, exec);
+ # endif
+ 	return ((result == 3) ? 3 : 0);
+ }
+@@ -490,7 +490,7 @@ static int FAST_FUNC static_up(struct interface_defn_t *ifd, execfn *exec)
+ 	result = execute("ip addr add %address%/%bnmask%[[ broadcast %broadcast%]] "
+ 			"dev %iface%[[ peer %pointopoint%]][[ label %label%]]", ifd, exec);
+ 	result += execute("ip link set[[ mtu %mtu%]][[ addr %hwaddress%]] %iface% up", ifd, exec);
+-	result += execute("[[ip route add default via %gateway% dev %iface%]]", ifd, exec);
++	result += execute("[[ip route add default via %gateway% dev %iface%[[ prio %metric%]]]]", ifd, exec);
+ 	return ((result == 3) ? 3 : 0);
+ # else
+ 	/* ifconfig said to set iface up before it processes hw %hwaddress%,
+@@ -500,7 +500,7 @@ static int FAST_FUNC static_up(struct interface_defn_t *ifd, execfn *exec)
+ 	result += execute("ifconfig %iface% %address% netmask %netmask%"
+ 				"[[ broadcast %broadcast%]][[ pointopoint %pointopoint%]] ",
+ 				ifd, exec);
+-	result += execute("[[route add default gw %gateway% %iface%]]", ifd, exec);
++	result += execute("[[route add default gw %gateway%[[ metric %metric%]] %iface%]]", ifd, exec);
+ 	return ((result == 3) ? 3 : 0);
+ # endif
+ }
+-- 
+1.7.10.1
+