From b0d9e5cbb9ba5b2b772f51fc38b34b45773c28ea Mon Sep 17 00:00:00 2001
From: Sheng Yang <sheng.yang@cloud.com>
Date: Fri, 10 Feb 2012 15:51:39 -0800
Subject: [PATCH] bug 12706: Add broadcast address for the network interface

status 12706: resolved fixed
---
 patches/systemvm/debian/config/root/ipassoc.sh | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/patches/systemvm/debian/config/root/ipassoc.sh b/patches/systemvm/debian/config/root/ipassoc.sh
index 99a48a09f87..d8401b6b960 100644
--- a/patches/systemvm/debian/config/root/ipassoc.sh
+++ b/patches/systemvm/debian/config/root/ipassoc.sh
@@ -110,7 +110,7 @@ convert_primary_to_32() {
       fi
       if [ "$mask" != "32" ]
       then
-         sudo ip addr add dev $ethDev $ipNoMask/32
+         ip_addr_add $ethDev $ipNoMask/32
       fi
   done
 #delete primaries
@@ -166,6 +166,13 @@ copy_routes_from_main() {
   return 0;
 }
 
+ip_addr_add() {
+  local dev="$1"
+  local ip="$2"
+  local brd=`TERM=linux ipcalc $ip|grep Broadcast|awk -F' ' '{print $2}'`
+  sudo ip addr add dev $dev $ip broadcast $brd
+}
+
 add_routing() {
   local pubIp=$1
   logger -t cloud "$(basename $0):Add routing $pubIp on interface $ethDev"
@@ -233,7 +240,7 @@ add_first_ip() {
   local old_state=$?
   
   convert_primary_to_32 $pubIp
-  sudo ip addr add dev $ethDev $pubIp
+  ip_addr_add $ethDev $pubIp
   if [ "$mask" != "32" ] && [ "$mask" != "" ]
   then
     # remove if duplicat ip with 32 mask, this happens when we are promting the ip to primary
@@ -297,7 +304,7 @@ add_an_ip () {
   sudo ip link show $ethDev | grep "state DOWN" > /dev/null
   local old_state=$?
 
-  sudo ip addr add dev $ethDev $pubIp ;
+  ip_addr_add $ethDev $pubIp
   add_snat $1
   if [ $if_keep_state -ne 1 -o $old_state -ne 0 ]
   then
@@ -331,7 +338,7 @@ remove_an_ip () {
         if [ -n "$replaceIpMask" ]; then
           sudo ip addr del dev $ethDev $replaceIpMask;
           replaceIp=`echo $replaceIpMask | awk -F/ '{print $1}'`;
-          sudo ip addr add dev $ethDev $replaceIp/$existingMask;
+          ip_addr_add $ethDev $replaceIp/$existingMask
         fi
     result=$?
   fi