| #!/bin/sh |
| |
| ################################################################################ |
| ## ## |
| ## Copyright (c) International Business Machines Corp., 2005 ## |
| ## ## |
| ## This program is free software; you can redistribute it and#or modify ## |
| ## it under the terms of the GNU General Public License as published by ## |
| ## the Free Software Foundation; either version 2 of the License, or ## |
| ## (at your option) any later version. ## |
| ## ## |
| ## This program is distributed in the hope that it will be useful, but ## |
| ## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ## |
| ## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ## |
| ## for more details. ## |
| ## ## |
| ## You should have received a copy of the GNU General Public License ## |
| ## along with this program; if not, write to the Free Software ## |
| ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ## |
| ## ## |
| ## ## |
| ################################################################################ |
| # |
| # File: |
| # get_ifname |
| # |
| # Description: |
| # Get the interface name which belongs to the specified test link |
| # |
| # Author: |
| # Mitsuru Chinen <mitch@jp.ibm.com> |
| # |
| # Arguments: |
| # $1: Set the host type to set the IPv4 address |
| # lhost - local host / rhost - remote host |
| # $2: The number of the test link |
| # |
| # History: |
| # Oct 19 2005 - Created (Mitsuru Chinen) |
| # |
| #----------------------------------------------------------------------- |
| #Uncomment line below for debug output. |
| #trace_logic=${trace_logic:-"set -x"} |
| $trace_logic |
| |
| # Make sure the value of LTPROOT |
| LTPROOT=${LTPROOT:-`(cd ../../ ; pwd)`} |
| TMPDIR=${TMPDIR:-/tmp} |
| export LTPROOT TMPDIR |
| |
| # Check the environment variable for the test |
| . check_envval || exit 1 |
| |
| # Arguments |
| if [ $# -ne 2 ]; then |
| echo "Usage: $0 host_type link_num" >&2 |
| exit 1 |
| fi |
| host_type=$1 |
| link_num=$2 |
| |
| # Check the host type |
| case $host_type in |
| lhost) |
| hwaddrs="$LHOST_HWADDRS" |
| ;; |
| |
| rhost) |
| hwaddrs="$RHOST_HWADDRS" |
| ;; |
| |
| *) |
| echo "$0: 1st argument must be lhost or rhost" >&2 |
| exit 1 |
| ;; |
| esac |
| |
| # Pick HWaddr from HWaddr list |
| field=`expr $link_num + 1` |
| hwaddr=`echo $hwaddrs | cut -d ' ' -f $field` |
| if [ x${hwaddr} = x ]; then |
| echo "HWaddr list ($hwaddrs) is something wrong." >&2 |
| exit 1 |
| fi |
| |
| ip_link_show_out=`mktemp $TMPDIR/tmp.XXXXXXXX` |
| if [ $host_type = lhost ]; then |
| ip link show > $ip_link_show_out 2>&1 |
| else |
| $LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip link show' \ |
| > $ip_link_show_out 2>&1 |
| fi |
| ifname=`grep -1 -i $hwaddr $ip_link_show_out | head -n 1 | awk '{ print $2 }' | sed "s/://"` 2>/dev/null |
| rm -f $ip_link_show_out |
| |
| # Detect a interface name from the HWaddr |
| if [ x$ifname = x ]; then |
| echo "Interface which has $hwaddr is not found." >&2 |
| exit 1 |
| fi |
| |
| echo $ifname |
| exit 0 |