#!/bin/ksh
#
# @(#)ethchk	1.2 20030112 halvard halvorsen
#
PATH=/usr/bin:/usr/sbin

thisone=`basename $0`
pline="-----------------------------------------------------------------------------"

#
# check that we are root
# '/usr/xpg4/bin/id -u ' is more elegant - can't trust it's there
# so use good old /usr/bin/id with some awk
#
uid=`id | awk -F= '{print $2}' | awk -F"(" '{print $1}' 2>/dev/null`

if [ $uid -eq 0 ]
then
  :
else
  print "$thisone: ERROR - you have to be root to run this script."
  print ""
  exit 1
fi

#
# generate list of all interfaces
#
inflist=`ifconfig -a | grep ^[a-z] | egrep -v "lo|le" | awk -F: '{print $1}'| sort | uniq 2>/dev/null `

unsupported=`ifconfig -a | egrep ^le | nawk -F"[0-9]" '{print $1}' | sort | uniq 2>/dev/null`
if [ ! -z "$unsupported" ]
then
  print "$thisone: INFO - the $unsupported interface(s) are unsupported by this script"
  print "$thisone: INFO - ndd does not support interfaces of this type"
fi

if [ -z "$inflist" ]
then 
  print "$thisone: empty interface list"
  exit 2
fi


#
# cycle through them and print settings
#
for inf in $inflist 
do
    echo "$pline"
    #
    # not sure if this is crude or elegant - but nawk is a godsend
    # assume all interface types are 2 or 3 letters (e.g. "ge" or "eri").
    #
    intfctype=`echo $inf | nawk -F"[0-9]" '{print $1}'`  
    instance=`echo $inf | nawk -F"[a-z][a-z]|[a-z][a-z][a-z]" '{print $2}'`

    print "		   status for interface ${intfctype}$instance"
    #
    # interface to check
    #
    ndd -set /dev/$intfctype instance $instance

    #
    # some interfaces does not produce link status etc
    #
    /usr/sbin/ndd /dev/$intfctype \? | egrep -s link_status 2>/dev/null
    ls=$?
    if  [ $ls -eq 0 ]
    then
      if [ $(/usr/sbin/ndd -get /dev/$intfctype link_status) -eq 1 ]
      then
        print -n "	$intfctype$instance link is up"
      else
        print -n "	$intfctype$instance link is down"
      fi
    fi

    #
    # speed check
    #
    case "$intfctype" in
    hme|qfe|eri)
      if [ $(/usr/sbin/ndd -get /dev/$intfctype link_speed) -eq 1 ]
      then
        print -n ", speed is 100 Mbit/sec"
      else
        print -n ", speed is 10 Mbit/sec"       
      fi
      ;;
    ge)
      if [ $(/usr/sbin/ndd -get /dev/$intfctype link_speed)  -eq 1000 ]
      then       
        print -n ", speed is 1000 Mbit/sec"
      else
        print -n ", link is not up"
      fi
      ;;
    esac

    
    /usr/sbin/ndd /dev/$intfctype \? | egrep -s link_mode 2>/dev/null
    lm=$?
    if  [ $lm -eq 0 ]
    then
      if [ $(/usr/sbin/ndd -get /dev/$intfctype link_mode) -eq 1 ]
      then
  	print ",full duplex"
      else
  	print ",half duplex"
      fi
    fi 

    print ""

    count=0

    for p in `/usr/sbin/ndd /dev/$intfctype \? | grep -v "?"| awk '{print $1}' 2>/dev/null`
    do
      count=`expr $count \+ 1`

      nddval=$(ndd -get /dev/$intfctype "$p")
      printf "%25s%1s" $p:
      printf "%3d" $nddval
      if [ $count -eq 2 ]
      then
        count=0
        print ""
      fi
    done
    
    # make sure output comes out pretty when even number of parameters
    if [ $count -eq 1 ]
    then
      print ""
    fi
done

echo "$pline"

exit 0