init-ifupdown: use fixed MAC address

Since beagleboard does not have fixed MAC address, use
interfaces config to set it. This will use the MAC address
from the first boot (which is random) in subsequent restarts.

Change-Id: I2ea5e92b2b29f7aad7b40a7fb14ba8ca8d4fbe7a
Reviewed-by: Kalle Viironen <kalle.viironen@digia.com>

recipes/init-ifupdown/init-ifupdown/fixed_mac_address

+#!/bin/sh
+
+if [ ! -e /etc/network/interfaces.fixed ]; then
+    HWADDRESS=$(cat /sys/class/net/eth0/address)
+    sed -i -e 's,^#\(.*\)00:00:00:00:00:00,\1'$HWADDRESS',' /etc/network/interfaces
+    touch /etc/network/interfaces.fixed
+fi

recipes/init-ifupdown/init-ifupdown/interfaces

@@ -16,7 +16,8 @@ iface atml0 inet dhcp
 # Wired or wireless interfaces
 auto eth0
 iface eth0 inet dhcp
-hostname `/bin/hostname`
+    hostname `/bin/hostname`
+#    hwaddress ether 00:00:00:00:00:00
 iface eth1 inet dhcp
 
 # Ethernet/RNDIS gadget (g_ether)

recipes/init-ifupdown/init-ifupdown_1.0.bbappend

 FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
 
+SRC_URI += "file://fixed_mac_address"
+
+do_install_append() {
+	install -d ${D}${sysconfdir}/init.d
+	install -m 0755 ${WORKDIR}/fixed_mac_address ${D}${sysconfdir}/network/if-pre-up.d/
+}