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]

(From OE-Core rev: d294b1bddece429f2639676ddc97d2896fc58916)

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 e4c3daf..0926faf 100755 (executable)
--- a/scripts/runqemu-ifup
+++ b/scripts/runqemu-ifup
@@ -109,6 +109,7 @@ $ROUTE add -host 192.168.7.$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