# Config information for eth0:
FNAME[1]="eth0"
IPADDR[0]=""
NETMASK[0]=""
USE_DHCP[0]="yes"
DHCP_HOSTNAME[0]=""

# Config information for ath0:
IFNAME[1]="ath0"
IPADDR[1]=""
NETMASK[1]=""
USE_DHCP[1]="yes"
WLAN_WPA[1]="wpa_supplicant"
WLAN_WPADRIVER[1]="wext"

#######################
# INTERFACE FUNCTIONS #
#######################

# Function to bring up a network interface.  If the interface is
# already up or does not yet exist (perhaps because the kernel driver
# is not loaded yet), do nothing.
if_up() {
  # Determine position 'i' of this interface in the IFNAME array:
  i=0
  while [ $i -lt $MAXNICS ]; do
    [ "${IFNAME[$i]}" = "${1}" ] && break
    i=$(($i+1))
  done
  # If the interface isn't in the kernel yet (but there's an alias for it in
  # modules.conf), then it should be loaded first:
  if ! grep `echo ${1}: | cut -f 1 -d :`: /proc/net/dev 1> /dev/null ; then # no interface yet
    if /sbin/modprobe -c | grep -w "alias ${1}" | grep -vw "alias ${1} off" > /dev/null ; then
      echo "/etc/rc.d/rc.inet1:  /sbin/modprobe ${1}" | $LOGGER
      /sbin/modprobe ${1}
    fi
  fi
  if grep `echo ${1}: | cut -f 1 -d :`: /proc/net/dev 1> /dev/null ; then # interface exists
    if ! /sbin/ifconfig | grep -w "${1}" 1>/dev/null || \
      ! /sbin/ifconfig ${1} | grep "inet addr" 1> /dev/null ; then # interface not up or not configured
      if [ ! "${HWADDR[$i]}" = "" ]; then # Set hardware address _before_ the interface goes up:
        echo "/etc/rc.d/rc.inet1:  /sbin/ifconfig ${1} hw ether ${HWADDR[$i]}" | $LOGGER
 /sbin/ifconfig ${1} mtu ${MTU[$i]}
      fi
      if [ -x /etc/rc.d/rc.wireless ]; then
        . /etc/rc.d/rc.wireless ${1} start # Initialize any wireless parameters
      fi
      if [ "${USE_DHCP[$i]}" = "yes" ]; then # use DHCP to bring interface up
        [ ${DHCP_HOSTNAME[$i]} ] && DHCP_OPTIONS="-h ${DHCP_HOSTNAME[$i]}"
        [ "${DHCP_KEEPRESOLV[$i]}" = "yes" ] && DHCP_OPTIONS="$DHCP_OPTIONS -R"
        [ "${DHCP_KEEPNTP[$i]}" = "yes" ] && DHCP_OPTIONS="$DHCP_OPTIONS -N"
        [ "${DHCP_KEEPGW[$i]}" = "yes" ] && DHCP_OPTIONS="$DHCP_OPTIONS -G"
        [ ${DHCP_IPADDR[$i]} ] && DHCP_OPTIONS="$DHCP_OPTIONS -s ${DHCP_IPADDR[$i]}"
        echo "Polling for DHCP server on interface ${1}:"
        # If you set a timeout, you get one, even if the kernel doesn't think that
        # your device is connected, in case /sys isn't right (which it usually isn't
        # except right after the device is loaded, when it usually is):
        if [ "${DHCP_TIMEOUT[$i]}" = "" ]; then
          ifconfig ${1} up && sleep 1
          CONNSTATUS="$(cat /sys/class/net/${1}/carrier 2> /dev/null)"
          ifconfig ${1} down
          if [ "$CONNSTATUS" = "0" ]; then
            # The kernel has just told us the cable isn't even plugged in, but we will
            # give any DHCP server a short chance to reply anyway:
            echo "No carrier detected on ${1}.  Reducing DHCP timeout to 10 seconds."
            DHCP_TIMEOUT[$i]=10
          fi
        fi
        # 30 seconds should be a reasonable default DHCP timeout.  60 was too much.  :-)
        echo "/etc/rc.d/rc.inet1:  /sbin/dhcpcd -d -t ${DHCP_TIMEOUT[$i]:-30} ${DHCP_OPTIONS} ${1}" | $LOGGER
fi
        fi
      fi
    else
      if [ "$DEBUG_ETH_UP" = "yes" ]; then
        echo "/etc/rc.d/rc.inet1:  ${1} is already up, skipping" | $LOGGER
      fi
    fi
  else
    if [ "$DEBUG_ETH_UP" = "yes" ]; then
      echo "/etc/rc.d/rc.inet1:  ${1} interface does not exist (yet)" | $LOGGER
    fi
  fi
}

# Function to take down a network interface:
if_down() {
  # Determine position 'i' of this interface in the IFNAME array:
  i=0
  while [ $i -lt $MAXNICS ]; do
    [ "${IFNAME[$i]}" = "${1}" ] && break
 i=$(($i+1))
  done
  if grep `echo ${1}: | cut -f 1 -d :`: /proc/net/dev 1> /dev/null ; then
    if [ "${USE_DHCP[$i]}" = "yes" ]; then
      echo "/etc/rc.d/rc.inet1:  /sbin/dhcpcd -k -d ${1}" | $LOGGER
      /sbin/dhcpcd -k -d ${1} 2> /dev/null || /sbin/ifconfig ${1} down
      sleep 1
    else
      echo "/etc/rc.d/rc.inet1:  /sbin/ifconfig ${1} down" | $LOGGER
      /sbin/ifconfig ${1} down
    fi
    if [ -x /etc/rc.d/rc.wireless ]; then
      . /etc/rc.d/rc.wireless ${1} stop # Kill wireless daemons if any.
    fi
  fi
}