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>

3 files changed, 15 insertions, 1 deletions

diff --git a/recipes/init-ifupdown/init-ifupdown/fixed_mac_address b/recipes/init-ifupdown/init-ifupdown/fixed_mac_address
new file mode 100755
index 0000000..020257e
--- /dev/null
+++ b/recipes/init-ifupdown/init-ifupdown/fixed_mac_address
@@ -0,0 +1,7 @@
+#!/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
diff --git a/recipes/init-ifupdown/init-ifupdown/interfaces b/recipes/init-ifupdown/init-ifupdown/interfaces
index 02960ab..e315b94 100644
--- a/recipes/init-ifupdown/init-ifupdown/interfaces
+++ b/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)
diff --git a/recipes/init-ifupdown/init-ifupdown_1.0.bbappend b/recipes/init-ifupdown/init-ifupdown_1.0.bbappend
index 6d4804d..c2ed1b8 100644
--- a/recipes/init-ifupdown/init-ifupdown_1.0.bbappend
+++ b/recipes/init-ifupdown/init-ifupdown_1.0.bbappend
@@ -1,2 +1,8 @@
 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/
+}