3 files changed, 5 insertions, 4 deletions

diff --git a/meta/conf/machine/qemuarm64.conf b/meta/conf/machine/qemuarm64.conf
index df76ee668e..da59c338e4 100644
--- a/meta/conf/machine/qemuarm64.conf
+++ b/meta/conf/machine/qemuarm64.conf
@@ -16,7 +16,7 @@ QB_MACHINE = "-machine virt"
 QB_CPU = "-cpu cortex-a57"
 QB_KERNEL_CMDLINE_APPEND = "console=ttyAMA0,38400"
 QB_OPT_APPEND = "-show-cursor"
-QB_TAP_OPT = "-netdev tap,id=net0,ifname=@TAP@,script=no,downscript=no -device virtio-net-device,netdev=net0"
+QB_TAP_OPT = "-netdev tap,id=net0,ifname=@TAP@,script=no,downscript=no -device virtio-net-device,netdev=net0,mac=@MAC@"
 QB_SLIRP_OPT = "-netdev user,id=net0 -device virtio-net-device,netdev=net0"
 QB_ROOTFS_OPT = "-drive id=disk0,file=@ROOTFS@,if=none,format=raw -device virtio-blk-device,drive=disk0"
 QB_SERIAL_OPT = "-device virtio-serial-device -chardev null,id=virtcon -device virtconsole,chardev=virtcon"
diff --git a/meta/conf/machine/qemuppc.conf b/meta/conf/machine/qemuppc.conf
index 939c834a33..e4c8dace7d 100644
--- a/meta/conf/machine/qemuppc.conf
+++ b/meta/conf/machine/qemuppc.conf
@@ -17,4 +17,4 @@ QB_MACHINE = "-machine mac99"
 QB_CPU = "-cpu G4"
 QB_KERNEL_CMDLINE_APPEND = "console=ttyS0 console=tty"
 QB_OPT_APPEND = "-show-cursor -usb -usbdevice tablet"
-QB_TAP_OPT = "-netdev tap,id=net0,ifname=@TAP@,script=no,downscript=no -device virtio-net-pci,netdev=net0"
+QB_TAP_OPT = "-netdev tap,id=net0,ifname=@TAP@,script=no,downscript=no -device virtio-net-pci,netdev=net0,mac=@MAC@"
diff --git a/scripts/runqemu b/scripts/runqemu
index 91e72cbc50..c43db8c227 100755
--- a/scripts/runqemu
+++ b/scripts/runqemu
@@ -736,11 +736,12 @@ class BaseConfig(object):
         if self.fstype == 'nfs':
             self.setup_nfs()
         self.kernel_cmdline_script += " ip=192.168.7.%s::192.168.7.%s:255.255.255.0" % (n2, n1)
+        mac = "52:54:00:12:34:%02x" % n2
         qb_tap_opt = self.get('QB_TAP_OPT')
         if qb_tap_opt:
-            qemu_tap_opt = qb_tap_opt.replace('@TAP@', tap)
+            qemu_tap_opt = qb_tap_opt.replace('@TAP@', tap).replace('@MAC@', mac)
         else:
-            qemu_tap_opt = "-net nic,model=virtio -net tap,vlan=0,ifname=%s,script=no,downscript=no" % self.tap
+            qemu_tap_opt = "-net nic,model=virtio,mac=%s -net tap,vlan=0,ifname=%s,script=no,downscript=no" % (mac, self.tap)
 
         if self.vhost_enabled:
             qemu_tap_opt += ',vhost=on'