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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
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