#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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##############################################################################
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# Defines
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# Can be overridden by the configuration file.
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PING=${PING:=ping}
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PING6=${PING6:=ping6}
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MZ=${MZ:=mausezahn}
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ARPING=${ARPING:=arping}
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TEAMD=${TEAMD:=teamd}
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WAIT_TIME=${WAIT_TIME:=5}
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PAUSE_ON_FAIL=${PAUSE_ON_FAIL:=no}
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PAUSE_ON_CLEANUP=${PAUSE_ON_CLEANUP:=no}
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NETIF_TYPE=${NETIF_TYPE:=veth}
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NETIF_CREATE=${NETIF_CREATE:=yes}
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MCD=${MCD:=smcrouted}
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MC_CLI=${MC_CLI:=smcroutectl}
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PING_TIMEOUT=${PING_TIMEOUT:=5}
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WAIT_TIMEOUT=${WAIT_TIMEOUT:=20}
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INTERFACE_TIMEOUT=${INTERFACE_TIMEOUT:=600}
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relative_path="${BASH_SOURCE%/*}"
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if [[ "$relative_path" == "${BASH_SOURCE}" ]]; then
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relative_path="."
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fi
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if [[ -f $relative_path/forwarding.config ]]; then
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source "$relative_path/forwarding.config"
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fi
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##############################################################################
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# Sanity checks
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check_tc_version()
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{
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tc -j &> /dev/null
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if [[ $? -ne 0 ]]; then
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echo "SKIP: iproute2 too old; tc is missing JSON support"
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exit 1
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fi
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}
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check_tc_shblock_support()
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{
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tc filter help 2>&1 | grep block &> /dev/null
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if [[ $? -ne 0 ]]; then
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echo "SKIP: iproute2 too old; tc is missing shared block support"
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exit 1
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fi
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}
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check_tc_chain_support()
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{
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tc help 2>&1|grep chain &> /dev/null
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if [[ $? -ne 0 ]]; then
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echo "SKIP: iproute2 too old; tc is missing chain support"
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exit 1
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fi
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}
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check_tc_action_hw_stats_support()
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{
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tc actions help 2>&1 | grep -q hw_stats
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if [[ $? -ne 0 ]]; then
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echo "SKIP: iproute2 too old; tc is missing action hw_stats support"
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exit 1
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fi
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}
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skip_on_veth()
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{
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local kind=$(ip -j -d link show dev ${NETIFS[p1]} |
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jq -r '.[].linkinfo.info_kind')
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if [[ $kind == veth ]]; then
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echo "SKIP: Test cannot be run with veth pairs"
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exit $ksft_skip
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fi
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}
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if [[ "$(id -u)" -ne 0 ]]; then
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echo "SKIP: need root privileges"
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exit 0
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fi
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if [[ "$CHECK_TC" = "yes" ]]; then
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check_tc_version
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fi
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require_command()
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{
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local cmd=$1; shift
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if [[ ! -x "$(command -v "$cmd")" ]]; then
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echo "SKIP: $cmd not installed"
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exit 1
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fi
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}
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require_command jq
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require_command $MZ
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if [[ ! -v NUM_NETIFS ]]; then
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echo "SKIP: importer does not define \"NUM_NETIFS\""
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exit 1
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fi
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##############################################################################
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# Command line options handling
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count=0
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while [[ $# -gt 0 ]]; do
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if [[ "$count" -eq "0" ]]; then
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unset NETIFS
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declare -A NETIFS
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fi
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count=$((count + 1))
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NETIFS[p$count]="$1"
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shift
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done
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##############################################################################
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# Network interfaces configuration
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create_netif_veth()
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{
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local i
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for ((i = 1; i <= NUM_NETIFS; ++i)); do
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local j=$((i+1))
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if [ -z ${NETIFS[p$i]} ]; then
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echo "SKIP: Cannot create interface. Name not specified"
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exit $ksft_skip
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fi
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ip link show dev ${NETIFS[p$i]} &> /dev/null
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if [[ $? -ne 0 ]]; then
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ip link add ${NETIFS[p$i]} type veth \
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peer name ${NETIFS[p$j]}
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if [[ $? -ne 0 ]]; then
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echo "Failed to create netif"
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exit 1
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fi
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fi
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i=$j
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done
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}
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create_netif()
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{
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case "$NETIF_TYPE" in
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veth) create_netif_veth
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;;
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*) echo "Can not create interfaces of type \'$NETIF_TYPE\'"
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exit 1
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;;
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esac
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}
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if [[ "$NETIF_CREATE" = "yes" ]]; then
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create_netif
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fi
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for ((i = 1; i <= NUM_NETIFS; ++i)); do
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ip link show dev ${NETIFS[p$i]} &> /dev/null
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if [[ $? -ne 0 ]]; then
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echo "SKIP: could not find all required interfaces"
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exit 1
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fi
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done
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##############################################################################
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# Helpers
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# Exit status to return at the end. Set in case one of the tests fails.
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EXIT_STATUS=0
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# Per-test return value. Clear at the beginning of each test.
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RET=0
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check_err()
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{
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local err=$1
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local msg=$2
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if [[ $RET -eq 0 && $err -ne 0 ]]; then
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RET=$err
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retmsg=$msg
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fi
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}
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check_fail()
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{
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local err=$1
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local msg=$2
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if [[ $RET -eq 0 && $err -eq 0 ]]; then
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RET=1
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retmsg=$msg
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fi
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}
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check_err_fail()
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{
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local should_fail=$1; shift
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local err=$1; shift
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local what=$1; shift
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if ((should_fail)); then
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check_fail $err "$what succeeded, but should have failed"
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else
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check_err $err "$what failed"
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fi
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}
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log_test()
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{
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local test_name=$1
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local opt_str=$2
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if [[ $# -eq 2 ]]; then
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opt_str="($opt_str)"
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fi
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if [[ $RET -ne 0 ]]; then
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EXIT_STATUS=1
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printf "TEST: %-60s [FAIL]\n" "$test_name $opt_str"
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if [[ ! -z "$retmsg" ]]; then
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printf "\t%s\n" "$retmsg"
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fi
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if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
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echo "Hit enter to continue, 'q' to quit"
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read a
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[ "$a" = "q" ] && exit 1
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fi
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return 1
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fi
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printf "TEST: %-60s [ OK ]\n" "$test_name $opt_str"
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return 0
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}
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log_info()
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{
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local msg=$1
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echo "INFO: $msg"
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}
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busywait()
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{
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local timeout=$1; shift
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local start_time="$(date -u +%s%3N)"
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while true
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do
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local out
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out=$("$@")
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local ret=$?
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if ((!ret)); then
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echo -n "$out"
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return 0
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fi
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local current_time="$(date -u +%s%3N)"
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if ((current_time - start_time > timeout)); then
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echo -n "$out"
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return 1
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fi
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done
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}
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not()
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{
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"$@"
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[[ $? != 0 ]]
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}
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grep_bridge_fdb()
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{
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local addr=$1; shift
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local word
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local flag
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if [ "$1" == "self" ] || [ "$1" == "master" ]; then
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word=$1; shift
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if [ "$1" == "-v" ]; then
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flag=$1; shift
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fi
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fi
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$@ | grep $addr | grep $flag "$word"
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}
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wait_for_offload()
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{
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"$@" | grep -q offload
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}
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until_counter_is()
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{
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local expr=$1; shift
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local current=$("$@")
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echo $((current))
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((current $expr))
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}
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busywait_for_counter()
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{
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local timeout=$1; shift
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local delta=$1; shift
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local base=$("$@")
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busywait "$timeout" until_counter_is ">= $((base + delta))" "$@"
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}
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setup_wait_dev()
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{
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local dev=$1; shift
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local wait_time=${1:-$WAIT_TIME}; shift
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setup_wait_dev_with_timeout "$dev" $INTERFACE_TIMEOUT $wait_time
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if (($?)); then
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check_err 1
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log_test setup_wait_dev ": Interface $dev does not come up."
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exit 1
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fi
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}
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setup_wait_dev_with_timeout()
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{
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local dev=$1; shift
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local max_iterations=${1:-$WAIT_TIMEOUT}; shift
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local wait_time=${1:-$WAIT_TIME}; shift
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local i
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for ((i = 1; i <= $max_iterations; ++i)); do
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ip link show dev $dev up \
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| grep 'state UP' &> /dev/null
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if [[ $? -ne 0 ]]; then
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sleep 1
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else
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sleep $wait_time
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return 0
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fi
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done
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return 1
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}
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setup_wait()
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{
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local num_netifs=${1:-$NUM_NETIFS}
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local i
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for ((i = 1; i <= num_netifs; ++i)); do
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setup_wait_dev ${NETIFS[p$i]} 0
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done
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# Make sure links are ready.
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sleep $WAIT_TIME
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}
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cmd_jq()
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{
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local cmd=$1
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local jq_exp=$2
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local jq_opts=$3
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local ret
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local output
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output="$($cmd)"
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# it the command fails, return error right away
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ret=$?
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if [[ $ret -ne 0 ]]; then
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return $ret
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fi
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output=$(echo $output | jq -r $jq_opts "$jq_exp")
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ret=$?
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if [[ $ret -ne 0 ]]; then
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return $ret
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fi
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echo $output
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# return success only in case of non-empty output
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[ ! -z "$output" ]
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}
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lldpad_app_wait_set()
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{
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local dev=$1; shift
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while lldptool -t -i $dev -V APP -c app | grep -Eq "pending|unknown"; do
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echo "$dev: waiting for lldpad to push pending APP updates"
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sleep 5
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done
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}
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lldpad_app_wait_del()
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{
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# Give lldpad a chance to push down the changes. If the device is downed
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# too soon, the updates will be left pending. However, they will have
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# been struck off the lldpad's DB already, so we won't be able to tell
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# they are pending. Then on next test iteration this would cause
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# weirdness as newly-added APP rules conflict with the old ones,
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# sometimes getting stuck in an "unknown" state.
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sleep 5
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}
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pre_cleanup()
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{
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if [ "${PAUSE_ON_CLEANUP}" = "yes" ]; then
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echo "Pausing before cleanup, hit any key to continue"
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read
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fi
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}
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vrf_prepare()
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{
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ip -4 rule add pref 32765 table local
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ip -4 rule del pref 0
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ip -6 rule add pref 32765 table local
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ip -6 rule del pref 0
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}
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vrf_cleanup()
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{
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ip -6 rule add pref 0 table local
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ip -6 rule del pref 32765
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ip -4 rule add pref 0 table local
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ip -4 rule del pref 32765
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}
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__last_tb_id=0
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declare -A __TB_IDS
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__vrf_td_id_assign()
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{
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local vrf_name=$1
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__last_tb_id=$((__last_tb_id + 1))
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__TB_IDS[$vrf_name]=$__last_tb_id
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return $__last_tb_id
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}
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__vrf_td_id_lookup()
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{
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local vrf_name=$1
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return ${__TB_IDS[$vrf_name]}
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}
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vrf_create()
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{
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local vrf_name=$1
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local tb_id
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__vrf_td_id_assign $vrf_name
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tb_id=$?
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ip link add dev $vrf_name type vrf table $tb_id
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ip -4 route add table $tb_id unreachable default metric 4278198272
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ip -6 route add table $tb_id unreachable default metric 4278198272
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}
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vrf_destroy()
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{
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local vrf_name=$1
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local tb_id
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__vrf_td_id_lookup $vrf_name
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tb_id=$?
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ip -6 route del table $tb_id unreachable default metric 4278198272
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ip -4 route del table $tb_id unreachable default metric 4278198272
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ip link del dev $vrf_name
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}
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__addr_add_del()
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{
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local if_name=$1
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local add_del=$2
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local array
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shift
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shift
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array=("${@}")
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for addrstr in "${array[@]}"; do
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ip address $add_del $addrstr dev $if_name
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done
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}
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__simple_if_init()
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{
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local if_name=$1; shift
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local vrf_name=$1; shift
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local addrs=("${@}")
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ip link set dev $if_name master $vrf_name
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ip link set dev $if_name up
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__addr_add_del $if_name add "${addrs[@]}"
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}
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__simple_if_fini()
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{
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local if_name=$1; shift
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local addrs=("${@}")
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__addr_add_del $if_name del "${addrs[@]}"
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ip link set dev $if_name down
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ip link set dev $if_name nomaster
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}
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simple_if_init()
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{
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local if_name=$1
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local vrf_name
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local array
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shift
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vrf_name=v$if_name
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array=("${@}")
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vrf_create $vrf_name
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ip link set dev $vrf_name up
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__simple_if_init $if_name $vrf_name "${array[@]}"
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}
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simple_if_fini()
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{
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local if_name=$1
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local vrf_name
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local array
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shift
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vrf_name=v$if_name
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array=("${@}")
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__simple_if_fini $if_name "${array[@]}"
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vrf_destroy $vrf_name
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}
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tunnel_create()
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{
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local name=$1; shift
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local type=$1; shift
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local local=$1; shift
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local remote=$1; shift
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ip link add name $name type $type \
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local $local remote $remote "$@"
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ip link set dev $name up
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}
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tunnel_destroy()
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{
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local name=$1; shift
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ip link del dev $name
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}
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vlan_create()
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{
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local if_name=$1; shift
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local vid=$1; shift
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local vrf=$1; shift
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local ips=("${@}")
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local name=$if_name.$vid
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ip link add name $name link $if_name type vlan id $vid
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if [ "$vrf" != "" ]; then
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ip link set dev $name master $vrf
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fi
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ip link set dev $name up
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__addr_add_del $name add "${ips[@]}"
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}
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vlan_destroy()
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{
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local if_name=$1; shift
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local vid=$1; shift
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local name=$if_name.$vid
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ip link del dev $name
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}
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team_create()
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{
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local if_name=$1; shift
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local mode=$1; shift
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require_command $TEAMD
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$TEAMD -t $if_name -d -c '{"runner": {"name": "'$mode'"}}'
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for slave in "$@"; do
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ip link set dev $slave down
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ip link set dev $slave master $if_name
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ip link set dev $slave up
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done
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ip link set dev $if_name up
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}
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team_destroy()
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{
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local if_name=$1; shift
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$TEAMD -t $if_name -k
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}
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master_name_get()
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{
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local if_name=$1
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ip -j link show dev $if_name | jq -r '.[]["master"]'
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}
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link_stats_get()
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{
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local if_name=$1; shift
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local dir=$1; shift
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local stat=$1; shift
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ip -j -s link show dev $if_name \
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| jq '.[]["stats64"]["'$dir'"]["'$stat'"]'
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}
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link_stats_tx_packets_get()
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{
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link_stats_get $1 tx packets
|
}
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link_stats_rx_errors_get()
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{
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link_stats_get $1 rx errors
|
}
|
|
tc_rule_stats_get()
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{
|
local dev=$1; shift
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local pref=$1; shift
|
local dir=$1; shift
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local selector=${1:-.packets}; shift
|
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tc -j -s filter show dev $dev ${dir:-ingress} pref $pref \
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| jq ".[1].options.actions[].stats$selector"
|
}
|
|
tc_rule_handle_stats_get()
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{
|
local id=$1; shift
|
local handle=$1; shift
|
local selector=${1:-.packets}; shift
|
|
tc -j -s filter show $id \
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| jq ".[] | select(.options.handle == $handle) | \
|
.options.actions[0].stats$selector"
|
}
|
|
ethtool_stats_get()
|
{
|
local dev=$1; shift
|
local stat=$1; shift
|
|
ethtool -S $dev | grep "^ *$stat:" | head -n 1 | cut -d: -f2
|
}
|
|
qdisc_stats_get()
|
{
|
local dev=$1; shift
|
local handle=$1; shift
|
local selector=$1; shift
|
|
tc -j -s qdisc show dev "$dev" \
|
| jq '.[] | select(.handle == "'"$handle"'") | '"$selector"
|
}
|
|
qdisc_parent_stats_get()
|
{
|
local dev=$1; shift
|
local parent=$1; shift
|
local selector=$1; shift
|
|
tc -j -s qdisc show dev "$dev" invisible \
|
| jq '.[] | select(.parent == "'"$parent"'") | '"$selector"
|
}
|
|
ipv6_stats_get()
|
{
|
local dev=$1; shift
|
local stat=$1; shift
|
|
cat /proc/net/dev_snmp6/$dev | grep "^$stat" | cut -f2
|
}
|
|
humanize()
|
{
|
local speed=$1; shift
|
|
for unit in bps Kbps Mbps Gbps; do
|
if (($(echo "$speed < 1024" | bc))); then
|
break
|
fi
|
|
speed=$(echo "scale=1; $speed / 1024" | bc)
|
done
|
|
echo "$speed${unit}"
|
}
|
|
rate()
|
{
|
local t0=$1; shift
|
local t1=$1; shift
|
local interval=$1; shift
|
|
echo $((8 * (t1 - t0) / interval))
|
}
|
|
mac_get()
|
{
|
local if_name=$1
|
|
ip -j link show dev $if_name | jq -r '.[]["address"]'
|
}
|
|
bridge_ageing_time_get()
|
{
|
local bridge=$1
|
local ageing_time
|
|
# Need to divide by 100 to convert to seconds.
|
ageing_time=$(ip -j -d link show dev $bridge \
|
| jq '.[]["linkinfo"]["info_data"]["ageing_time"]')
|
echo $((ageing_time / 100))
|
}
|
|
declare -A SYSCTL_ORIG
|
sysctl_set()
|
{
|
local key=$1; shift
|
local value=$1; shift
|
|
SYSCTL_ORIG[$key]=$(sysctl -n $key)
|
sysctl -qw $key="$value"
|
}
|
|
sysctl_restore()
|
{
|
local key=$1; shift
|
|
sysctl -qw $key="${SYSCTL_ORIG[$key]}"
|
}
|
|
forwarding_enable()
|
{
|
sysctl_set net.ipv4.conf.all.forwarding 1
|
sysctl_set net.ipv6.conf.all.forwarding 1
|
}
|
|
forwarding_restore()
|
{
|
sysctl_restore net.ipv6.conf.all.forwarding
|
sysctl_restore net.ipv4.conf.all.forwarding
|
}
|
|
declare -A MTU_ORIG
|
mtu_set()
|
{
|
local dev=$1; shift
|
local mtu=$1; shift
|
|
MTU_ORIG["$dev"]=$(ip -j link show dev $dev | jq -e '.[].mtu')
|
ip link set dev $dev mtu $mtu
|
}
|
|
mtu_restore()
|
{
|
local dev=$1; shift
|
|
ip link set dev $dev mtu ${MTU_ORIG["$dev"]}
|
}
|
|
tc_offload_check()
|
{
|
local num_netifs=${1:-$NUM_NETIFS}
|
|
for ((i = 1; i <= num_netifs; ++i)); do
|
ethtool -k ${NETIFS[p$i]} \
|
| grep "hw-tc-offload: on" &> /dev/null
|
if [[ $? -ne 0 ]]; then
|
return 1
|
fi
|
done
|
|
return 0
|
}
|
|
trap_install()
|
{
|
local dev=$1; shift
|
local direction=$1; shift
|
|
# Some devices may not support or need in-hardware trapping of traffic
|
# (e.g. the veth pairs that this library creates for non-existent
|
# loopbacks). Use continue instead, so that there is a filter in there
|
# (some tests check counters), and so that other filters are still
|
# processed.
|
tc filter add dev $dev $direction pref 1 \
|
flower skip_sw action trap 2>/dev/null \
|
|| tc filter add dev $dev $direction pref 1 \
|
flower action continue
|
}
|
|
trap_uninstall()
|
{
|
local dev=$1; shift
|
local direction=$1; shift
|
|
tc filter del dev $dev $direction pref 1 flower
|
}
|
|
slow_path_trap_install()
|
{
|
# For slow-path testing, we need to install a trap to get to
|
# slow path the packets that would otherwise be switched in HW.
|
if [ "${tcflags/skip_hw}" != "$tcflags" ]; then
|
trap_install "$@"
|
fi
|
}
|
|
slow_path_trap_uninstall()
|
{
|
if [ "${tcflags/skip_hw}" != "$tcflags" ]; then
|
trap_uninstall "$@"
|
fi
|
}
|
|
__icmp_capture_add_del()
|
{
|
local add_del=$1; shift
|
local pref=$1; shift
|
local vsuf=$1; shift
|
local tundev=$1; shift
|
local filter=$1; shift
|
|
tc filter $add_del dev "$tundev" ingress \
|
proto ip$vsuf pref $pref \
|
flower ip_proto icmp$vsuf $filter \
|
action pass
|
}
|
|
icmp_capture_install()
|
{
|
__icmp_capture_add_del add 100 "" "$@"
|
}
|
|
icmp_capture_uninstall()
|
{
|
__icmp_capture_add_del del 100 "" "$@"
|
}
|
|
icmp6_capture_install()
|
{
|
__icmp_capture_add_del add 100 v6 "$@"
|
}
|
|
icmp6_capture_uninstall()
|
{
|
__icmp_capture_add_del del 100 v6 "$@"
|
}
|
|
__vlan_capture_add_del()
|
{
|
local add_del=$1; shift
|
local pref=$1; shift
|
local dev=$1; shift
|
local filter=$1; shift
|
|
tc filter $add_del dev "$dev" ingress \
|
proto 802.1q pref $pref \
|
flower $filter \
|
action pass
|
}
|
|
vlan_capture_install()
|
{
|
__vlan_capture_add_del add 100 "$@"
|
}
|
|
vlan_capture_uninstall()
|
{
|
__vlan_capture_add_del del 100 "$@"
|
}
|
|
__dscp_capture_add_del()
|
{
|
local add_del=$1; shift
|
local dev=$1; shift
|
local base=$1; shift
|
local dscp;
|
|
for prio in {0..7}; do
|
dscp=$((base + prio))
|
__icmp_capture_add_del $add_del $((dscp + 100)) "" $dev \
|
"skip_hw ip_tos $((dscp << 2))"
|
done
|
}
|
|
dscp_capture_install()
|
{
|
local dev=$1; shift
|
local base=$1; shift
|
|
__dscp_capture_add_del add $dev $base
|
}
|
|
dscp_capture_uninstall()
|
{
|
local dev=$1; shift
|
local base=$1; shift
|
|
__dscp_capture_add_del del $dev $base
|
}
|
|
dscp_fetch_stats()
|
{
|
local dev=$1; shift
|
local base=$1; shift
|
|
for prio in {0..7}; do
|
local dscp=$((base + prio))
|
local t=$(tc_rule_stats_get $dev $((dscp + 100)))
|
echo "[$dscp]=$t "
|
done
|
}
|
|
matchall_sink_create()
|
{
|
local dev=$1; shift
|
|
tc qdisc add dev $dev clsact
|
tc filter add dev $dev ingress \
|
pref 10000 \
|
matchall \
|
action drop
|
}
|
|
tests_run()
|
{
|
local current_test
|
|
for current_test in ${TESTS:-$ALL_TESTS}; do
|
$current_test
|
done
|
}
|
|
multipath_eval()
|
{
|
local desc="$1"
|
local weight_rp12=$2
|
local weight_rp13=$3
|
local packets_rp12=$4
|
local packets_rp13=$5
|
local weights_ratio packets_ratio diff
|
|
RET=0
|
|
if [[ "$weight_rp12" -gt "$weight_rp13" ]]; then
|
weights_ratio=$(echo "scale=2; $weight_rp12 / $weight_rp13" \
|
| bc -l)
|
else
|
weights_ratio=$(echo "scale=2; $weight_rp13 / $weight_rp12" \
|
| bc -l)
|
fi
|
|
if [[ "$packets_rp12" -eq "0" || "$packets_rp13" -eq "0" ]]; then
|
check_err 1 "Packet difference is 0"
|
log_test "Multipath"
|
log_info "Expected ratio $weights_ratio"
|
return
|
fi
|
|
if [[ "$weight_rp12" -gt "$weight_rp13" ]]; then
|
packets_ratio=$(echo "scale=2; $packets_rp12 / $packets_rp13" \
|
| bc -l)
|
else
|
packets_ratio=$(echo "scale=2; $packets_rp13 / $packets_rp12" \
|
| bc -l)
|
fi
|
|
diff=$(echo $weights_ratio - $packets_ratio | bc -l)
|
diff=${diff#-}
|
|
test "$(echo "$diff / $weights_ratio > 0.15" | bc -l)" -eq 0
|
check_err $? "Too large discrepancy between expected and measured ratios"
|
log_test "$desc"
|
log_info "Expected ratio $weights_ratio Measured ratio $packets_ratio"
|
}
|
|
in_ns()
|
{
|
local name=$1; shift
|
|
ip netns exec $name bash <<-EOF
|
NUM_NETIFS=0
|
source lib.sh
|
$(for a in "$@"; do printf "%q${IFS:0:1}" "$a"; done)
|
EOF
|
}
|
|
##############################################################################
|
# Tests
|
|
ping_do()
|
{
|
local if_name=$1
|
local dip=$2
|
local args=$3
|
local vrf_name
|
|
vrf_name=$(master_name_get $if_name)
|
ip vrf exec $vrf_name \
|
$PING $args $dip -c 10 -i 0.1 -w $PING_TIMEOUT &> /dev/null
|
}
|
|
ping_test()
|
{
|
RET=0
|
|
ping_do $1 $2
|
check_err $?
|
log_test "ping$3"
|
}
|
|
ping6_do()
|
{
|
local if_name=$1
|
local dip=$2
|
local args=$3
|
local vrf_name
|
|
vrf_name=$(master_name_get $if_name)
|
ip vrf exec $vrf_name \
|
$PING6 $args $dip -c 10 -i 0.1 -w $PING_TIMEOUT &> /dev/null
|
}
|
|
ping6_test()
|
{
|
RET=0
|
|
ping6_do $1 $2
|
check_err $?
|
log_test "ping6$3"
|
}
|
|
learning_test()
|
{
|
local bridge=$1
|
local br_port1=$2 # Connected to `host1_if`.
|
local host1_if=$3
|
local host2_if=$4
|
local mac=de:ad:be:ef:13:37
|
local ageing_time
|
|
RET=0
|
|
bridge -j fdb show br $bridge brport $br_port1 \
|
| jq -e ".[] | select(.mac == \"$mac\")" &> /dev/null
|
check_fail $? "Found FDB record when should not"
|
|
# Disable unknown unicast flooding on `br_port1` to make sure
|
# packets are only forwarded through the port after a matching
|
# FDB entry was installed.
|
bridge link set dev $br_port1 flood off
|
|
ip link set $host1_if promisc on
|
tc qdisc add dev $host1_if ingress
|
tc filter add dev $host1_if ingress protocol ip pref 1 handle 101 \
|
flower dst_mac $mac action drop
|
|
$MZ $host2_if -c 1 -p 64 -b $mac -t ip -q
|
sleep 1
|
|
tc -j -s filter show dev $host1_if ingress \
|
| jq -e ".[] | select(.options.handle == 101) \
|
| select(.options.actions[0].stats.packets == 1)" &> /dev/null
|
check_fail $? "Packet reached first host when should not"
|
|
$MZ $host1_if -c 1 -p 64 -a $mac -t ip -q
|
sleep 1
|
|
bridge -j fdb show br $bridge brport $br_port1 \
|
| jq -e ".[] | select(.mac == \"$mac\")" &> /dev/null
|
check_err $? "Did not find FDB record when should"
|
|
$MZ $host2_if -c 1 -p 64 -b $mac -t ip -q
|
sleep 1
|
|
tc -j -s filter show dev $host1_if ingress \
|
| jq -e ".[] | select(.options.handle == 101) \
|
| select(.options.actions[0].stats.packets == 1)" &> /dev/null
|
check_err $? "Packet did not reach second host when should"
|
|
# Wait for 10 seconds after the ageing time to make sure FDB
|
# record was aged-out.
|
ageing_time=$(bridge_ageing_time_get $bridge)
|
sleep $((ageing_time + 10))
|
|
bridge -j fdb show br $bridge brport $br_port1 \
|
| jq -e ".[] | select(.mac == \"$mac\")" &> /dev/null
|
check_fail $? "Found FDB record when should not"
|
|
bridge link set dev $br_port1 learning off
|
|
$MZ $host1_if -c 1 -p 64 -a $mac -t ip -q
|
sleep 1
|
|
bridge -j fdb show br $bridge brport $br_port1 \
|
| jq -e ".[] | select(.mac == \"$mac\")" &> /dev/null
|
check_fail $? "Found FDB record when should not"
|
|
bridge link set dev $br_port1 learning on
|
|
tc filter del dev $host1_if ingress protocol ip pref 1 handle 101 flower
|
tc qdisc del dev $host1_if ingress
|
ip link set $host1_if promisc off
|
|
bridge link set dev $br_port1 flood on
|
|
log_test "FDB learning"
|
}
|
|
flood_test_do()
|
{
|
local should_flood=$1
|
local mac=$2
|
local ip=$3
|
local host1_if=$4
|
local host2_if=$5
|
local err=0
|
|
# Add an ACL on `host2_if` which will tell us whether the packet
|
# was flooded to it or not.
|
ip link set $host2_if promisc on
|
tc qdisc add dev $host2_if ingress
|
tc filter add dev $host2_if ingress protocol ip pref 1 handle 101 \
|
flower dst_mac $mac action drop
|
|
$MZ $host1_if -c 1 -p 64 -b $mac -B $ip -t ip -q
|
sleep 1
|
|
tc -j -s filter show dev $host2_if ingress \
|
| jq -e ".[] | select(.options.handle == 101) \
|
| select(.options.actions[0].stats.packets == 1)" &> /dev/null
|
if [[ $? -ne 0 && $should_flood == "true" || \
|
$? -eq 0 && $should_flood == "false" ]]; then
|
err=1
|
fi
|
|
tc filter del dev $host2_if ingress protocol ip pref 1 handle 101 flower
|
tc qdisc del dev $host2_if ingress
|
ip link set $host2_if promisc off
|
|
return $err
|
}
|
|
flood_unicast_test()
|
{
|
local br_port=$1
|
local host1_if=$2
|
local host2_if=$3
|
local mac=de:ad:be:ef:13:37
|
local ip=192.0.2.100
|
|
RET=0
|
|
bridge link set dev $br_port flood off
|
|
flood_test_do false $mac $ip $host1_if $host2_if
|
check_err $? "Packet flooded when should not"
|
|
bridge link set dev $br_port flood on
|
|
flood_test_do true $mac $ip $host1_if $host2_if
|
check_err $? "Packet was not flooded when should"
|
|
log_test "Unknown unicast flood"
|
}
|
|
flood_multicast_test()
|
{
|
local br_port=$1
|
local host1_if=$2
|
local host2_if=$3
|
local mac=01:00:5e:00:00:01
|
local ip=239.0.0.1
|
|
RET=0
|
|
bridge link set dev $br_port mcast_flood off
|
|
flood_test_do false $mac $ip $host1_if $host2_if
|
check_err $? "Packet flooded when should not"
|
|
bridge link set dev $br_port mcast_flood on
|
|
flood_test_do true $mac $ip $host1_if $host2_if
|
check_err $? "Packet was not flooded when should"
|
|
log_test "Unregistered multicast flood"
|
}
|
|
flood_test()
|
{
|
# `br_port` is connected to `host2_if`
|
local br_port=$1
|
local host1_if=$2
|
local host2_if=$3
|
|
flood_unicast_test $br_port $host1_if $host2_if
|
flood_multicast_test $br_port $host1_if $host2_if
|
}
|
|
__start_traffic()
|
{
|
local proto=$1; shift
|
local h_in=$1; shift # Where the traffic egresses the host
|
local sip=$1; shift
|
local dip=$1; shift
|
local dmac=$1; shift
|
|
$MZ $h_in -p 8000 -A $sip -B $dip -c 0 \
|
-a own -b $dmac -t "$proto" -q "$@" &
|
sleep 1
|
}
|
|
start_traffic()
|
{
|
__start_traffic udp "$@"
|
}
|
|
start_tcp_traffic()
|
{
|
__start_traffic tcp "$@"
|
}
|
|
stop_traffic()
|
{
|
# Suppress noise from killing mausezahn.
|
{ kill %% && wait %%; } 2>/dev/null
|
}
|
|
tcpdump_start()
|
{
|
local if_name=$1; shift
|
local ns=$1; shift
|
|
capfile=$(mktemp)
|
capout=$(mktemp)
|
|
if [ -z $ns ]; then
|
ns_cmd=""
|
else
|
ns_cmd="ip netns exec ${ns}"
|
fi
|
|
if [ -z $SUDO_USER ] ; then
|
capuser=""
|
else
|
capuser="-Z $SUDO_USER"
|
fi
|
|
$ns_cmd tcpdump -e -n -Q in -i $if_name \
|
-s 65535 -B 32768 $capuser -w $capfile > "$capout" 2>&1 &
|
cappid=$!
|
|
sleep 1
|
}
|
|
tcpdump_stop()
|
{
|
$ns_cmd kill $cappid
|
sleep 1
|
}
|
|
tcpdump_cleanup()
|
{
|
rm $capfile $capout
|
}
|
|
tcpdump_show()
|
{
|
tcpdump -e -n -r $capfile 2>&1
|
}
|
