1040 lines
19 KiB
Bash
1040 lines
19 KiB
Bash
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#!/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=${PING_TIMEOUT:=5}
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relative_path="${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 [[ $? -ne 0 ]]; then
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echo "SKIP: iproute2 too old; tc is missing chain support"
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exit 1
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fi
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}
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if [[ "$(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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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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setup_wait_dev()
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{
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local dev=$1; shift
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while true; 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 [[ $? -ne 0 ]]; then
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sleep 1
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else
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break
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fi
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done
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}
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setup_wait()
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{
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local num_netifs=${1:-$NUM_NETIFS}
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for ((i = 1; i <= num_netifs; ++i)); do
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setup_wait_dev ${NETIFS[p$i]}
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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=$2
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local ret
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local output
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output="$($cmd)"
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# it the command fails, return error right away
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ret=$?
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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_exp")
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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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|
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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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|
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local vrf_name=$1; shift
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local addrs=("${@}")
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|
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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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|
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|
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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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{
|
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|
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local if_name=$1; shift
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local addrs=("${@}")
|
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|
||
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__addr_add_del $if_name del "${addrs[@]}"
|
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|
||
|
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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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|
||
|
|
simple_if_init()
|
||
|
|
{
|
||
|
|
local if_name=$1
|
||
|
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local vrf_name
|
||
|
|
local array
|
||
|
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|
||
|
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shift
|
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|
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vrf_name=v$if_name
|
||
|
|
array=("${@}")
|
||
|
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|
||
|
|
vrf_create $vrf_name
|
||
|
|
ip link set dev $vrf_name up
|
||
|
|
__simple_if_init $if_name $vrf_name "${array[@]}"
|
||
|
|
}
|
||
|
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|
||
|
|
simple_if_fini()
|
||
|
|
{
|
||
|
|
local if_name=$1
|
||
|
|
local vrf_name
|
||
|
|
local array
|
||
|
|
|
||
|
|
shift
|
||
|
|
vrf_name=v$if_name
|
||
|
|
array=("${@}")
|
||
|
|
|
||
|
|
__simple_if_fini $if_name "${array[@]}"
|
||
|
|
vrf_destroy $vrf_name
|
||
|
|
}
|
||
|
|
|
||
|
|
tunnel_create()
|
||
|
|
{
|
||
|
|
local name=$1; shift
|
||
|
|
local type=$1; shift
|
||
|
|
local local=$1; shift
|
||
|
|
local remote=$1; shift
|
||
|
|
|
||
|
|
ip link add name $name type $type \
|
||
|
|
local $local remote $remote "$@"
|
||
|
|
ip link set dev $name up
|
||
|
|
}
|
||
|
|
|
||
|
|
tunnel_destroy()
|
||
|
|
{
|
||
|
|
local name=$1; shift
|
||
|
|
|
||
|
|
ip link del dev $name
|
||
|
|
}
|
||
|
|
|
||
|
|
vlan_create()
|
||
|
|
{
|
||
|
|
local if_name=$1; shift
|
||
|
|
local vid=$1; shift
|
||
|
|
local vrf=$1; shift
|
||
|
|
local ips=("${@}")
|
||
|
|
local name=$if_name.$vid
|
||
|
|
|
||
|
|
ip link add name $name link $if_name type vlan id $vid
|
||
|
|
if [ "$vrf" != "" ]; then
|
||
|
|
ip link set dev $name master $vrf
|
||
|
|
fi
|
||
|
|
ip link set dev $name up
|
||
|
|
__addr_add_del $name add "${ips[@]}"
|
||
|
|
}
|
||
|
|
|
||
|
|
vlan_destroy()
|
||
|
|
{
|
||
|
|
local if_name=$1; shift
|
||
|
|
local vid=$1; shift
|
||
|
|
local name=$if_name.$vid
|
||
|
|
|
||
|
|
ip link del dev $name
|
||
|
|
}
|
||
|
|
|
||
|
|
team_create()
|
||
|
|
{
|
||
|
|
local if_name=$1; shift
|
||
|
|
local mode=$1; shift
|
||
|
|
|
||
|
|
require_command $TEAMD
|
||
|
|
$TEAMD -t $if_name -d -c '{"runner": {"name": "'$mode'"}}'
|
||
|
|
for slave in "$@"; do
|
||
|
|
ip link set dev $slave down
|
||
|
|
ip link set dev $slave master $if_name
|
||
|
|
ip link set dev $slave up
|
||
|
|
done
|
||
|
|
ip link set dev $if_name up
|
||
|
|
}
|
||
|
|
|
||
|
|
team_destroy()
|
||
|
|
{
|
||
|
|
local if_name=$1; shift
|
||
|
|
|
||
|
|
$TEAMD -t $if_name -k
|
||
|
|
}
|
||
|
|
|
||
|
|
master_name_get()
|
||
|
|
{
|
||
|
|
local if_name=$1
|
||
|
|
|
||
|
|
ip -j link show dev $if_name | jq -r '.[]["master"]'
|
||
|
|
}
|
||
|
|
|
||
|
|
link_stats_get()
|
||
|
|
{
|
||
|
|
local if_name=$1; shift
|
||
|
|
local dir=$1; shift
|
||
|
|
local stat=$1; shift
|
||
|
|
|
||
|
|
ip -j -s link show dev $if_name \
|
||
|
|
| jq '.[]["stats64"]["'$dir'"]["'$stat'"]'
|
||
|
|
}
|
||
|
|
|
||
|
|
link_stats_tx_packets_get()
|
||
|
|
{
|
||
|
|
link_stats_get $1 tx packets
|
||
|
|
}
|
||
|
|
|
||
|
|
link_stats_rx_errors_get()
|
||
|
|
{
|
||
|
|
link_stats_get $1 rx errors
|
||
|
|
}
|
||
|
|
|
||
|
|
tc_rule_stats_get()
|
||
|
|
{
|
||
|
|
local dev=$1; shift
|
||
|
|
local pref=$1; shift
|
||
|
|
local dir=$1; shift
|
||
|
|
|
||
|
|
tc -j -s filter show dev $dev ${dir:-ingress} pref $pref \
|
||
|
|
| jq '.[1].options.actions[].stats.packets'
|
||
|
|
}
|
||
|
|
|
||
|
|
ethtool_stats_get()
|
||
|
|
{
|
||
|
|
local dev=$1; shift
|
||
|
|
local stat=$1; shift
|
||
|
|
|
||
|
|
ethtool -S $dev | grep "^ *$stat:" | head -n 1 | cut -d: -f2
|
||
|
|
}
|
||
|
|
|
||
|
|
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
|
||
|
|
|
||
|
|
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 second 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
|
||
|
|
|
||
|
|
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.
|
||
|
|
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
|
||
|
|
|
||
|
|
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
|
||
|
|
}
|