rootfs-overlay/etc/init.d/networking

   1 #!/bin/sh
   2
   3 case "$1" in
   4     start)
   5         # gathers or create necessary host and device mac addresses for
   6         # the g_ether module. If the g_ether module options file exists,
   7         # we have nothing to do.
   8
   9         if [ ! -e /etc/modprobe.d/g_ether.conf ] ; then
  10
  11                 # Gather up all g_ether parameters passed in on the kernel
  12                 # command line, and make sure to pass them to the module.
  13
  14                 # Begin by searching the command line for the host and dev addrs
  15                 da=`sed -n -e 's|.*g_ether\.dev_addr\=\(..:..:..:..:..:..\).*|\1|p' /proc/cmdline`
  16                 ha=`sed -n -e 's|.*g_ether\.host_addr\=\(..:..:..:..:..:..\).*|\1|p' /proc/cmdline`
  17
  18                 # If have a device address, now we need to sort out the host address.
  19                 # If it is unspecified, or if it is the same as the device address
  20                 # (Qi does this), compute a new address by just incrementing the device
  21                 # address.
  22
  23                 if [ -n "$da" -a -z "$ha" -o "$da" = "$ha" ]; then
  24
  25                         # We need to compute a new address - split the device
  26                         # address into two part, and increment the second part.
  27                         pfx=`echo "$da" | sed -n -e 's|\(..:..:..:\)..:..:..|\1|p'`
  28                         i=`echo "$da" | sed -n -e 's|..:..:..:\(..\):\(..\):\(..\)|0x\1\2\3|p'`
  29
  30                         # Now increment the mac addr
  31                         i=$(printf %06x $(($i+1)))
  32
  33                         # And glue the parts back together again.
  34                         i=`echo "$i" | sed -n -e 's|\(..\)\(..\)\(..\)|\1:\2:\3|p'`
  35
  36                         # Assign the computed host address, if this all worked out.
  37                         [ -n "$i" -a -n "$pfx" ] && ha=$pfx$i
  38                 fi
  39
  40                 [ -n "$da" ] && daddr="dev_addr=$da"
  41                 [ -n "$ha" ] && haddr="host_addr=$ha"
  42
  43                 [ -d /etc/modprobe.d ] || mkdir /etc/modprobe.d
  44                 echo "options g_ether $daddr $haddr" >/etc/modprobe.d/g_ether.conf
  45         fi
  46
  47         # load g_ether module if it isn't yet
  48         lsmod | grep g_ether >/dev/null 2>&1 || modprobe g_ether 2>/dev/null && sleep 1
  49
  50         ip link set usb0 up
  51         ip addr add 192.168.0.202/24 dev usb0
  52         ip route add default via 192.168.0.200
  53
  54         echo nameserver 208.67.222.222 > /etc/resolv.conf
  55         echo nameserver 208.67.220.220 >> /etc/resolv.conf
  56
  57         ;;
  58     stop)
  59         ip link set usb0 down
  60         ;;
  61     restart)
  62         $0 stop
  63         $0 start
  64         ;;
  65     *)
  66         echo "Usage: $0 {start|stop|restart}"
  67         exit 1
  68         ;;
  69 esac
  70
  71 exit 0