#!/bin/ksh
#set -xv
#
# nic_check - 01/12/2001 - David Cashion - initial script
#           - 11/06/2002 - David Cashion - added ability to look at all
#                               interfaces or just the one specified
#
# Polls the interfaces specified (or all of them with exception of leX and 
# loX) for speed, link, duplex, and transceiver location.
#
# NOTE:  Needs to be run as root.


#### Pick the interface given or run through all of them (except l[eo])
if [ $# -eq 1 ]; then
   if [ $1 == "-all" ]; then
        nics=$(/usr/sbin/ifconfig -a | awk -F: '/^[a-km-z]/ {print $1}' | sort -u)
        print "Checking these network interfaces: $nics\n"
   else
        nics=$1
   fi
else
   print "USAGE:"
   print "\t$0 INTERFACEinstance"
   print "\t$0 -all"
   print "\n\tExample: $0 hme0"
   exit 1
fi         


for item in $nics; do
   interface=$(echo $item | cut -c1-3)
   int_inst=$(echo $item | cut -c4)

   #### First we have to select the interface and instance
   $(/usr/sbin/ndd -set /dev/$interface instance $int_inst)
   if [ $? -ne 0 ]; then
        print "ERROR: No such device: $item"
        exit 1
   fi

   print "Network interface: $item"
   echo "-----------------------"

   #### 0=down, 1=up
   print -n "Link: "
   [ $(/usr/sbin/ndd -get /dev/$interface link_status) -eq 0 ] && print "down" || print "up"

   #### 0=10Mb, 1=100Mb
   print -n "Speed: "
   [ $(/usr/sbin/ndd -get /dev/$interface link_speed) -eq 0 ] && print "10Mb" || print "100Mb"

   #### 0=half, 1=full duplex
   print -n "Duplex: "
   [ $(/usr/sbin/ndd -get /dev/$interface link_mode) -eq 0 ] && print "half" || print "full"
   print
done