runqemu-ifup: enable arp proxying

This allows core-image-sato to access the WAN.

Thanks to Dexuan Cui for proposing this fix.

Fixes [YOCTO #2329]

Signed-off-by: Scott Garman <scott.a.garman@intel.com>
Signed-off-by: Elizabeth Flanagan <elizabeth.flanagan@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/scripts/runqemu-ifup b/scripts/runqemu-ifup
index f80538f53c0016383511b3290fdc172af4362a27..1f1b4c81bbb9cbc2605f90e0914e02d0126e2923 100755 (executable)
--- a/scripts/runqemu-ifup
+++ b/scripts/runqemu-ifup
@@ -103,6 +103,7 @@ $ROUTE add -host 192.168.7.$dest $TAP
 $IPTABLES -A POSTROUTING -t nat -j MASQUERADE -s 192.168.7.$n/32
 $IPTABLES -A POSTROUTING -t nat -j MASQUERADE -s 192.168.7.$dest/32
 echo 1 > /proc/sys/net/ipv4/ip_forward
+echo 1 > /proc/sys/net/ipv4/conf/$TAP/proxy_arp
 $IPTABLES -P FORWARD ACCEPT
 
 echo $TAP