1 #!/bin/sh 2 3 ################################################################################ 4 ## ## 5 ## Copyright (c) International Business Machines Corp., 2005 ## 6 ## ## 7 ## This program is free software; you can redistribute it and#or modify ## 8 ## it under the terms of the GNU General Public License as published by ## 9 ## the Free Software Foundation; either version 2 of the License, or ## 10 ## (at your option) any later version. ## 11 ## ## 12 ## This program is distributed in the hope that it will be useful, but ## 13 ## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ## 14 ## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ## 15 ## for more details. ## 16 ## ## 17 ## You should have received a copy of the GNU General Public License ## 18 ## along with this program; if not, write to the Free Software ## 19 ## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ## 20 ## ## 21 ## ## 22 ################################################################################ 23 # 24 # File: 25 # tcp4-uni-dsackoff01 26 # 27 # Description: 28 # Verify that the kernel is not crashed with a TCP connection on an 29 # unreliable to with the following condition: 30 # - The version of IP is IPv4 31 # - Network is not delayed 32 # - IPsec is not used 33 # - Disable window scaling 34 # - Enable Nagle algorithm 35 # - Disable TCP Duplicate SACK support 36 # - Enable SACK Support 37 # - Some packets are lost 38 # - Disable TSO if it is avalable 39 # 40 # *) This script may be read by the other test case 41 # 42 # Setup: 43 # See testcases/network/stress/README 44 # 45 # Author: 46 # Mitsuru Chinen <mitch (at] jp.ibm.com> 47 # 48 # History: 49 # Oct 19 2005 - Created (Mitsuru Chinen) 50 # 51 #----------------------------------------------------------------------- 52 # Uncomment line below for debug output. 53 #trace_logic=${trace_logic:-"set -x"} 54 $trace_logic 55 56 # The test case ID, the test case count and the total number of test case 57 TCID=${TCID:-tcp4-uni-dsackoff01} 58 TST_TOTAL=1 59 TST_COUNT=1 60 export TCID 61 export TST_COUNT 62 export TST_TOTAL 63 64 # Test description 65 tst_resm TINFO "Verify that the kernel, when the Duplicate SACK support is off, is not crashed by a TCP connection on an unreliable network(Namely, some of the packet is lost, some of them is duplicated)." 66 67 # Disable DSACK support 68 DO_DSACK=false 69 70 # Make some packets are lost 71 DO_PACKET_LOSS=true 72 73 # Make some packets are duplicated 74 DO_PACKET_DUP=true 75 76 # Load tcp4-uni-basic01 77 NON_BASIC=true 78 79 . tcp4-uni-basic01 80 81 exit 0 82
