1 #!/bin/sh 2 # SPDX-License-Identifier: GPL-2.0-or-later 3 # Copyright (c) 2018 Petr Vorel <pvorel (at] suse.cz> 4 # Copyright (c) 2014-2017 Oracle and/or its affiliates. 5 # Author: Alexey Kodanev <alexey.kodanev (at] oracle.com> 6 # 7 # Test-case 1: It requires remote host. Test will setup IPv4 and IPv6 virtual 8 # sub-nets between two hosts, then will compare TCP performance 9 # with and without VxLAN using ping or netstress test. 10 # 11 # Test-case 2: The same as above but must fail, because VXLAN allows 12 # to communicate only within the same VXLAN segment. 13 14 TST_NEEDS_TMPDIR=1 15 TST_OPTS="hi:d:" 16 TST_PARSE_ARGS=virt_lib_parse_args 17 TST_USAGE=virt_lib_usage 18 19 virt_type="vxlan" 20 start_id=16700000 21 22 # Destination address, can be unicast or multicast address 23 vxlan_dst_addr="uni" 24 25 TST_TEST_DATA=",gbp" 26 TST_TEST_DATA_IFS="," 27 TST_NEEDS_TMPDIR=1 28 TST_TESTFUNC=do_test 29 TST_CLEANUP=virt_cleanup 30 . virt_lib.sh 31 32 # In average cases (with small packets less then 150 bytes) VxLAN slower 33 # by 10-30%. If hosts are too close to each other, e.g. connected to the same 34 # switch, VxLAN can be much slower when comparing to the performance without 35 # any encapsulation. 36 VIRT_PERF_THRESHOLD=${VIRT_PERF_THRESHOLD:-160} 37 [ "$VIRT_PERF_THRESHOLD" -lt 160 ] && VIRT_PERF_THRESHOLD=160 38 39 do_test() 40 { 41 if [ -z $ip_local -o -z $ip_remote ]; then 42 tst_brk TBROK "you must specify IP address" 43 fi 44 45 virt_check_cmd virt_add ltp_v0 id 0 $2 || continue 46 47 tst_res TINFO "the same VNI must work" 48 # VNI is 24 bits long, so max value, which is not reserved, is 0xFFFFFE 49 vxlan_setup_subnet_$vxlan_dst_addr "id 0xFFFFFE $2" "id 0xFFFFFE $2" 50 virt_netperf_msg_sizes 51 virt_cleanup_rmt 52 53 tst_res TINFO "different VNI shall not work together" 54 vxlan_setup_subnet_$vxlan_dst_addr "id 0xFFFFFE $2" "id 0xFFFFFD $2" 55 virt_minimize_timeout 56 virt_compare_netperf "fail" 57 virt_cleanup_rmt 58 } 59 60 tst_run 61
