#!/bin/sh # SPDX-License-Identifier: GPL-2.0-or-later # Copyright (c) 2018 Petr Vorel # Copyright (c) 2014-2017 Oracle and/or its affiliates. # Author: Alexey Kodanev # # Test-case 1: It requires remote host. Test will setup IPv4 and IPv6 virtual # sub-nets between two hosts, then will compare TCP performance # with and without VxLAN using ping or netstress test. # # Test-case 2: The same as above but must fail, because VXLAN allows # to communicate only within the same VXLAN segment. TST_NEEDS_TMPDIR=1 TST_OPTS="hi:d:" TST_PARSE_ARGS=virt_lib_parse_args TST_USAGE=virt_lib_usage virt_type="vxlan" start_id=16700000 # Destination address, can be unicast or multicast address vxlan_dst_addr="uni" TST_TEST_DATA=",gbp" TST_TEST_DATA_IFS="," TST_NEEDS_TMPDIR=1 TST_TESTFUNC=do_test TST_CLEANUP=virt_cleanup # In average cases (with small packets less then 150 bytes) VxLAN slower # by 10-30%. If hosts are too close to each other, e.g. connected to the same # switch, VxLAN can be much slower when comparing to the performance without # any encapsulation. VIRT_PERF_THRESHOLD_MIN=160 . virt_lib.sh do_test() { virt_check_cmd virt_add ltp_v0 id 0 $2 || return tst_res TINFO "the same VNI must work" # VNI is 24 bits long, so max value, which is not reserved, is 0xFFFFFE vxlan_setup_subnet_$vxlan_dst_addr "id 0xFFFFFE $2" "id 0xFFFFFE $2" virt_netperf_msg_sizes virt_cleanup_rmt tst_res TINFO "different VNI shall not work together" vxlan_setup_subnet_$vxlan_dst_addr "id 0xFFFFFE $2" "id 0xFFFFFD $2" virt_minimize_timeout virt_compare_netperf "fail" virt_cleanup_rmt } tst_run