In the end of test-case set default 1500 mtu back
Signed-off-by: Alexey Kodanev <alexey.koda...@oracle.com>
---
testcases/network/stress/interface/if-mtu-change | 294 +++++-----------------
1 files changed, 65 insertions(+), 229 deletions(-)
diff --git a/testcases/network/stress/interface/if-mtu-change
b/testcases/network/stress/interface/if-mtu-change
index f272ebd..d360b7e 100644
--- a/testcases/network/stress/interface/if-mtu-change
+++ b/testcases/network/stress/interface/if-mtu-change
@@ -1,264 +1,100 @@
#!/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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
USA ##
-##
##
-##
##
-################################################################################
+# Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved.
+# Copyright (c) International Business Machines Corp., 2005
#
-# File:
-# if4-mtu-change
+# 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.
#
-# Description:
-# Verify the IPv4 connectivity isn't broken with changing MTU many times
-# test01 - by ifconfig command
-# test02 - by ip command
+# This program is distributed in the hope that it would 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.
#
-# Setup:
-# See ltp-yyyymmdd/testcases/network/stress/README
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
-# Author:
-# Mitsuru Chinen <mi...@jp.ibm.com>
-#
-# 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)`}
-export LTPROOT
+# Author: Mitsuru Chinen <mi...@jp.ibm.com>
-# Total number of the test case
TST_TOTAL=2
-export TST_TOTAL
+TCID=if-mtu-change
-# Default of the test case ID and the test case count
-TCID=if4-mtu-change
-TST_COUNT=0
-export TCID
-export TST_COUNT
-
-# Check the environmanet variable for the test
-. check_envval || exit $TST_TOTAL
-
-# The number of the change of the MTU
-MTU_CHANGE_TIMES=${MTU_CHANGE_TIMES:-1000}
+. if-lib.sh
# The interval of the change [second]
CHANGE_INTERVAL=${CHANGE_INTERVAL:-5}
-
+CHECK_INTERVAL=${CHECK_INTERVAL:-$(($MTU_CHANGE_TIMES / 100))}
# The array of the value which MTU is changed into sequentially
CHANGE_VALUES="784 1142 426 1500 68 1500 68 748 68 1142 1500"
+CHANGE6_VALUES="1280 1445 1335 1390 1500 1280 1500 1280 1335 1500"
+[ "$TST_IPV6" ] && CHANGE_VALUES=$CHANGE6_VALUES
-# The number of the test link where tests run
-LINK_NUM=0
-
-# Network portion of the IPv4 address
-IPV4_NETWORK=${IPV4_NETWORK:-"10.0.0"}
-
-# Host portion of the IPv4 address
-LHOST_IPV4_HOST=${LHOST_IPV4_HOST:-"2"} # local host
-RHOST_IPV4_HOST=${RHOST_IPV4_HOST:-"1"} # remote host
-
-
-
-#-----------------------------------------------------------------------
-#
-# NAME:
-# do_setup
-#
-# DESCRIPTION:
-# Make a IPv4 connectivity
-#
-# SET VALUES:
-# lhost_ipv4addr - IPv4 Address of the local host
-# rhost_ipv4addr - IPv4 Address of the remote host
-# lhost_ifname - Interface name of the localhost
-#
-#-----------------------------------------------------------------------
-do_setup()
-{
- TCID=if4-mtu-change
- TST_COUNT=0
-
- # Initialize the interfaces
- initialize_if lhost ${LINK_NUM}
- initialize_if rhost ${LINK_NUM}
-
- # Make sure the TCP traffic server/client doesn't run
- bg_tcp_traffic killall
-
- # Set IPv4 address to the interfaces
- set_ipv4addr lhost ${LINK_NUM} ${IPV4_NETWORK} ${LHOST_IPV4_HOST}
- if [ $? -ne 0 ]; then
- tst_resm TBROK "Failed to set an IPv4 address at the local host"
- exit $TST_TOTAL
- fi
- set_ipv4addr rhost ${LINK_NUM} ${IPV4_NETWORK} ${RHOST_IPV4_HOST}
- if [ $? -ne 0 ]; then
- tst_resm TBROK "Failed to set an IPv4 address at the remote host"
- exit $TST_TOTAL
- fi
-
- # IPv4 address of the local and remote host
- lhost_ipv4addr="${IPV4_NETWORK}.${LHOST_IPV4_HOST}"
- rhost_ipv4addr="${IPV4_NETWORK}.${RHOST_IPV4_HOST}"
-
- # Get the Interface name of local host
- lhost_ifname=`get_ifname lhost ${LINK_NUM}`
- if [ $? -ne 0 ]; then
- tst_resm TBROK "Failed to get the interface name at the local host"
- exit $TST_TOTAL
- fi
-}
-
-
-#-----------------------------------------------------------------------
-#
-# NAME:
-# do_cleanup
-#
-# DESCRIPTION:
-# Recover the tested interfaces
-#
-#-----------------------------------------------------------------------
-do_cleanup()
+test_body()
{
- # Make sure the TCP traffic server/client doesn't run
- bg_tcp_traffic killall
-
- # Initialize the interfaces
- initialize_if lhost ${LINK_NUM}
- initialize_if rhost ${LINK_NUM}
-}
+ local cmd_type=$1
+ case $cmd_type in
+ if_cmd) local cmd_name='ifconfig' ;;
+ ip_cmd) local cmd_name='ip' ;;
+ *) tst_brkm TBROK "Unknown test parameter '$cmd_type'"
+ esac
-#-----------------------------------------------------------------------
-#
-# FUNCTION:
-# test_body
-#
-# DESCRIPTION:
-# main code of the test
-#
-# Arguments:
-# $1: define the test type
-# 1 - ifconfig command case
-# 2 - ip command case
-#
-#-----------------------------------------------------------------------
-test_body()
-{
- test_type=$1
+ local iface=$(tst_iface)
+ [ "$TST_IPV6" ] && local netmask=64 || local netmask=16
- TCID=if4-mtu-change0${test_type}
- TST_COUNT=${test_type}
+ tst_resm TINFO "'$cmd_name changes MTU $MTU_CHANGE_TIMES times " \
+ "every $CHANGE_INTERVAL seconds"
- case $test_type in
- 1)
- test_command="ifconfig"
- ;;
- 2)
- test_command="ip"
- ;;
- *)
- tst_resm TBROK "unspecified case"
- return 1
- ;;
- esac
+ tst_restore_ipaddr || \
+ tst_resm TBROK "Failed to set default IP addresses"
- tst_resm TINFO "Verify the IPv4 connectivity is not broken when
$test_command command changes MTU $MTU_CHANGE_TIMES times every
$CHANGE_INTERVAL seconds"
+ make_background_tcp_traffic
- # Check the connctivity
- check_icmpv4_connectivity $lhost_ifname $rhost_ipv4addr
- if [ $? -ne 0 ]; then
- tst_resm TBROK "Test Link $LINK_NUM is somthing wrong."
- return 1
- fi
+ mtu_array_len=$(echo $CHANGE_VALUES | wc -w)
+ local cnt=0
+ while [ $cnt -lt $MTU_CHANGE_TIMES ]; do
+ sleep $CHANGE_INTERVAL
+ local nth=$(($cnt % $mtu_array_len))
+ field=$(($nth + 1))
+ cnt=$(($cnt + 1))
+ mtu=$(echo $CHANGE_VALUES | cut -d ' ' -f $field)
+ [ $cnt -eq $MTU_CHANGE_TIMES ] && mtu=1500
- # Make a background TCP traffic
- server_pid=`bg_tcp_traffic make $lhost_ipv4addr`
+ tst_resm TINFO "set MTU to $mtu $cnt/$MTU_CHANGE_TIMES"
+ case $cmd_type in
+ if_cmd) ifconfig $iface mtu $mtu ;;
+ ip_cmd) ip link set $iface mtu $mtu ;;
+ esac
- # Start the loop
- mtu_array_len=`echo $CHANGE_VALUES | wc -w`
- cnt=0
- while [ $cnt -lt $MTU_CHANGE_TIMES ]; do
- # Wait CHANGE_INTERVAL seconds
- sleep $CHANGE_INTERVAL
+ if [ $? -ne 0 ]; then
+ tst_resm TFAIL "Failed to change the mtu at $cnt time"
+ return
+ fi
- # Change
- nth=`expr $cnt % $mtu_array_len`
- field=`expr $nth + 1`
- mtu=`echo $CHANGE_VALUES | cut -d ' ' -f $field`
+ check_connectivity $cnt || return
- case $test_type in
- 1)
- ifconfig $lhost_ifname mtu $mtu
- ;;
- 2)
- ip link set $lhost_ifname mtu $mtu
- ;;
- esac
- if [ $? -ne 0 ]; then
- tst_resm TFAIL "Failed to change the mtu at $cnt time"
- return 1
- fi
+ # Check the background TCP traffic
+ pgrep -x tcp_fastopen > /dev/null || make_background_tcp_traffic
+ done
- # Check the background TCP traffic
- bg_tcp_traffic check $server_pid
+ tst_resm TINFO "check connectivity through $iface"
+ check_icmpv${ipver}_connectivity $iface $(tst_ipaddr rhost)
if [ $? -ne 0 ]; then
- server_pid=`bg_tcp_traffic make $lhost_ipv4addr`
+ tst_resm TFAIL "$iface is broken"
+ return
fi
- cnt=`expr $cnt + 1`
- done
-
- # Stop the background TCP traffic
- bg_tcp_traffic killall
-
- # Check the connectivity again
- check_icmpv4_connectivity $lhost_ifname $rhost_ipv4addr
- if [ $? -ne 0 ]; then
- tst_resm TFAIL "$lhost_ifname is broken."
- return 1
- fi
- tst_resm TPASS "Test is finished correctly."
- return 0
+ tst_resm TPASS "Test is finished correctly"
}
+setup
-#-----------------------------------------------------------------------
-#
-# Main
-#
-# Exit Value:
-# The number of the failure
-#
-#-----------------------------------------------------------------------
+tst_check_cmds ifconfig
-RC=0
-do_setup
-test_body 1 || RC=`expr $RC + 1` # Case of ifconfig command
-test_body 2 || RC=`expr $RC + 1` # Case of ip command
-do_cleanup
+test_body 'if_cmd'
+test_body 'ip_cmd'
-exit $RC
+tst_exit
--
1.7.1
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