meta-digi-del: Generate interfaces file on the fly and add ifup.
The interfaces file is different depending on whether we have single or dual wired ethernet and whether we have a wireless or non wireless module. Also, add an ifup script to set the mac addresses fetched from the kernel command line. This commit autogenerates the /etc/network/interfaces file. Signed-off-by: Alex Gonzalez <alex.gonzalez@digi.com>
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Alex Gonzalez
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commit
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#!/bin/sh -l
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#===============================================================================
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#
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# ifup
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#
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# Copyright (C) 2013 by Digi International Inc.
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# All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 as published by
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# the Free Software Foundation.
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#
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#
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# !Description: Set network interfaces MAC addresses.
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#
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#===============================================================================
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set -e
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# loopback methods are directly handled by ifup
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[ "${METHOD}" = "loopback" ] && exit 0
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# Do nothing if interface does not exist
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[ ! -h /sys/class/net/${IFACE} ] && exit 0
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if [ -h /sys/class/net/eth0 ]; then
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driver="$(readlink -f -n /sys/class/net/eth0 | sed 's,\/,\n,g' | awk '/fec/ {print}')"
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case ${driver} in
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fec.*)
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macaddr=`cat /proc/cmdline | sed 's,\s,\n,g' | awk '/ethaddr1/ {print}' | sed 's,ethaddr1=,,g'`
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;;
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sms.*)
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macaddr=`cat /proc/cmdline | sed 's,\s,\n,g' | awk '/ethaddr3/ {print}' | sed 's,ethaddr3=,,g'`
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;;
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esac
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if [ "${macaddr}" ]; then
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/sbin/ifconfig eth0 hw ether ${macaddr}
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fi
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fi
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if [ -h /sys/class/net/eth1 ]; then
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macaddr=`cat /proc/cmdline | sed 's,\s,\n,g' | awk '/ethaddr3/ {print}' | sed 's,ethaddr3=,,g'`
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if [ "${macaddr}" ]; then
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/sbin/ifconfig eth1 hw ether ${macaddr}
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fi
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fi
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exit 0
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@ -1,32 +1,3 @@
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# /etc/network/interfaces -- configuration file for ifup(8), ifdown(8)
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# The loopback interface
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auto lo
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iface lo inet loopback
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# Wireless interfaces
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auto wlan0
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iface wlan0 inet dhcp
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wireless_mode managed
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wireless_essid any
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wpa-driver wext
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wpa-conf /etc/wpa_supplicant.conf
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iface atml0 inet dhcp
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# Wired or wireless interfaces
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auto eth0
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iface eth0 inet dhcp
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iface eth1 inet dhcp
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# Ethernet/RNDIS gadget (g_ether)
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# ... or on host side, usbnet and random hwaddr
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iface usb0 inet static
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address 192.168.7.2
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netmask 255.255.255.0
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network 192.168.7.0
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gateway 192.168.7.1
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# Bluetooth networking
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iface bnep0 inet dhcp
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# Dummy file - will be autogenerated in target.
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@ -1,3 +1,79 @@
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FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}-${PV}:"
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PR_append = "+${DISTRO}.r0"
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DEPENDS="virtual/kernel"
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SRC_URI += "file://ifup"
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do_install_append(){
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install -m 0755 ${WORKDIR}/ifup ${D}${sysconfdir}/network/if-up.d
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}
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pkg_postinst_${PN} () {
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#!/bin/sh
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cat << EOF > $D${sysconfdir}/network/interfaces
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EOF
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cat $D/boot/config* | /bin/grep CONFIG_BLK_DEV_LOOP=y
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if [ $? -eq 0 ]; then
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cat << EOF >> $D${sysconfdir}/network/interfaces
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# The loopback interface
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auto lo
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iface lo inet loopback
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EOF
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fi
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cat $D/boot/config* | /bin/grep CONFIG_FEC=y
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if [ $? -eq 0 ]; then
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# Primary wired interface
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cat << EOF >> $D${sysconfdir}/network/interfaces
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auto eth0
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# Use for dhcp
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# iface eth0 inet dhcp
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iface eth0 inet static
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address 192.168.42.30
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netmask 255.255.255.0
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network 192.168.42.0
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gateway 192.168.42.1
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EOF
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fi
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# Secondary wired interface
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cat $D/boot/config* | /bin/grep CONFIG_SMSC911X=y
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if [ $? -eq 0 ]; then
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cat << EOF >> $D${sysconfdir}/network/interfaces
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auto eth1
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# Use for dhcp
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# iface eth1 inet dhcp
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iface eth1 inet static
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address 192.168.44.30
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netmask 255.255.255.0
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network 192.168.44.0
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gateway 192.168.44.1
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EOF
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fi
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# Wireless interface
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cat $D/boot/config* | /bin/grep CONFIG_WIRELESS=y
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if [ $? -eq 0 ]; then
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cat << EOF >> $D${sysconfdir}/network/interfaces
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auto wlan0
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# Use for dhcp
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# iface wlan0 inet dhcp
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iface wlan0 inet static
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address 192.168.43.30
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netmask 255.255.255.0
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network 192.168.43.0
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wireless_mode managed
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wireless_essid any
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wpa-driver wext
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wpa-conf /etc/wpa_supplicant.conf
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EOF
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fi
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}
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CONFFILES_${PN} = "${sysconfdir}/hosts"
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