1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0-or-later 3# Copyright (c) 2017-2018 Petr Vorel <[email protected]> 4# Copyright (c) 2015-2017 Oracle and/or its affiliates. All Rights Reserved. 5# Copyright (c) International Business Machines Corp., 2006 6# Author: Petr Vorel <[email protected]> 7# Author: Alexey Kodanev <[email protected]> 8# 9# Library for all network/stress/ tests. 10# NOTE: More information about network variables can be found 11# in tst_net.sh and testcases/network/stress/README. 12 13# Netmask of for the tested network 14IPV4_NETMASK="255.255.255.0" 15IPV4_NETMASK_NUM=24 16 17# Multicast address and it's prefix 18MCAST_IPV4_ADDR_PREFIX="224.10" 19MCAST_IPV4_ADDR="${MCAST_IPV4_ADDR_PREFIX}.10.1" 20MCAST_IPV6_ADDR_PREFIX="ff0e::1111" 21MCAST_IPV6_ADDR="${MCAST_IPV6_ADDR_PREFIX}:1" 22 23# Setup for tests using netstress. 24netstress_setup() 25{ 26 TST_NEEDS_ROOT=1 27 tst_require_cmds pgrep pkill 28} 29 30# Cleanup for tests using netstress. 31netstress_cleanup() 32{ 33 # Stop the background TCP traffic 34 pkill -13 -x netstress 35 tst_rhost_run -c "pkill -13 -x netstress" 36} 37 38# restore_ipaddr [TYPE] [LINK] [LOCAL_IFACE] [REMOTE_IFACE] 39# TYPE: { lhost | rhost }; Default value is 'lhost'. 40# LINK: link number starting from 0. Default value is '0'. 41# LOCAL_IFACE: local iface name. 42# REMOTE_IFACE: local iface name. 43restore_ipaddr() 44{ 45 local type="${1:-lhost}" 46 local link_num="${2:-0}" 47 local iface_loc=${3:-$(tst_iface lhost $link_num)} 48 local iface_rmt=${4:-$(tst_iface rhost $link_num)} 49 50 tst_restore_ipaddr $type $link_num || return $? 51 [ $type = "lhost" ] && tst_wait_ipv6_dad $iface_loc $iface_rmt 52} 53 54# Check connectivity with tst_ping. 55# check_connectivity SRC_IFACE DST_ADDR [CNT] 56# SRC_IFACE: source interface name. 57# DST_ADDR: destination IPv4 or IPv6 address. 58# CNT: loop step. 59check_connectivity() 60{ 61 local src_iface="${1}" 62 local dst_addr="${2}" 63 local cnt="${3:-}" 64 local cnt_msg 65 66 [ -n "$cnt" ] && cnt_msg=" (step $cnt)" 67 68 tst_res TINFO "ping through $src_iface iface to ${dst_addr}$cnt_msg" 69 70 tst_ping -I $src_iface -H $dst_addr 71} 72 73# check_connectivity_interval CNT [RESTORE] [SRC_IFACE] [DST_ADDR] 74# CNT: loop step. 75# RESTORE: whether restore ip addr. 76# SRC_IFACE: source interface name. 77# DST_ADDR: destination IPv4 or IPv6 address. 78check_connectivity_interval() 79{ 80 local cnt="$1" 81 local restore="${2:-false}" 82 local src_iface="${3:-$(tst_iface)}" 83 local dst_addr="${4:-$(tst_ipaddr rhost)}" 84 85 [ $CHECK_INTERVAL -eq 0 ] && return 86 87 [ $(($cnt % $CHECK_INTERVAL)) -ne 0 ] && return 88 89 [ "$restore" != "false" ] && restore_ipaddr 90 91 check_connectivity $src_iface $dst_addr $cnt 92} 93 94# Run netstress process on both lhost and rhost. 95# make_background_tcp_traffic [IP] 96# IP: server IP; Default value is $(tst_ipaddr). 97make_background_tcp_traffic() 98{ 99 pgrep -x netstress > /dev/null && return 100 101 local ip="${1:-$(tst_ipaddr)}" 102 local port=$(tst_get_unused_port ipv${TST_IPVER} stream) 103 104 netstress -R 3 -g $port > /dev/null 2>&1 & 105 tst_rhost_run -b -c "netstress -l -H $ip -g $port" 106} 107 108test_if_ip() 109{ 110 case $1 in 111 1) test_body 'if_cmd';; 112 2) test_body 'ip_cmd';; 113 esac 114} 115 116test_rt_ip() 117{ 118 case $1 in 119 1) test_body 'rt_cmd';; 120 2) test_body 'ip_cmd';; 121 esac 122} 123 124. tst_net.sh 125