1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3# 4# Regression tests for the SO_TXTIME interface 5 6set -e 7 8readonly ksft_skip=4 9readonly DEV="veth0" 10readonly BIN="./so_txtime" 11 12readonly RAND="$(mktemp -u XXXXXX)" 13readonly NSPREFIX="ns-${RAND}" 14readonly NS1="${NSPREFIX}1" 15readonly NS2="${NSPREFIX}2" 16 17readonly SADDR4='192.168.1.1' 18readonly DADDR4='192.168.1.2' 19readonly SADDR6='fd::1' 20readonly DADDR6='fd::2' 21 22cleanup() { 23 ip netns del "${NS2}" 24 ip netns del "${NS1}" 25} 26 27trap cleanup EXIT 28 29# Create virtual ethernet pair between network namespaces 30ip netns add "${NS1}" 31ip netns add "${NS2}" 32 33ip link add "${DEV}" netns "${NS1}" type veth \ 34 peer name "${DEV}" netns "${NS2}" 35 36# Bring the devices up 37ip -netns "${NS1}" link set "${DEV}" up 38ip -netns "${NS2}" link set "${DEV}" up 39 40# Set fixed MAC addresses on the devices 41ip -netns "${NS1}" link set dev "${DEV}" address 02:02:02:02:02:02 42ip -netns "${NS2}" link set dev "${DEV}" address 06:06:06:06:06:06 43 44# Add fixed IP addresses to the devices 45ip -netns "${NS1}" addr add 192.168.1.1/24 dev "${DEV}" 46ip -netns "${NS2}" addr add 192.168.1.2/24 dev "${DEV}" 47ip -netns "${NS1}" addr add fd::1/64 dev "${DEV}" nodad 48ip -netns "${NS2}" addr add fd::2/64 dev "${DEV}" nodad 49 50run_test() { 51 local readonly IP="$1" 52 local readonly CLOCK="$2" 53 local readonly TXARGS="$3" 54 local readonly RXARGS="$4" 55 56 if [[ "${IP}" == "4" ]]; then 57 local readonly SADDR="${SADDR4}" 58 local readonly DADDR="${DADDR4}" 59 elif [[ "${IP}" == "6" ]]; then 60 local readonly SADDR="${SADDR6}" 61 local readonly DADDR="${DADDR6}" 62 else 63 echo "Invalid IP version ${IP}" 64 exit 1 65 fi 66 67 local readonly START="$(date +%s%N --date="+ 0.1 seconds")" 68 69 ip netns exec "${NS2}" "${BIN}" -"${IP}" -c "${CLOCK}" -t "${START}" -S "${SADDR}" -D "${DADDR}" "${RXARGS}" -r & 70 ip netns exec "${NS1}" "${BIN}" -"${IP}" -c "${CLOCK}" -t "${START}" -S "${SADDR}" -D "${DADDR}" "${TXARGS}" 71 wait "$!" 72} 73 74do_test() { 75 run_test $@ 76 [ $? -ne 0 ] && ret=1 77} 78 79do_fail_test() { 80 run_test $@ 81 [ $? -eq 0 ] && ret=1 82} 83 84ip netns exec "${NS1}" tc qdisc add dev "${DEV}" root fq 85set +e 86ret=0 87do_test 4 mono a,-1 a,-1 88do_test 6 mono a,0 a,0 89do_test 6 mono a,10 a,10 90do_test 4 mono a,10,b,20 a,10,b,20 91do_test 6 mono a,20,b,10 b,20,a,20 92 93if ip netns exec "${NS1}" tc qdisc replace dev "${DEV}" root etf clockid CLOCK_TAI delta 400000; then 94 do_fail_test 4 tai a,-1 a,-1 95 do_fail_test 6 tai a,0 a,0 96 do_test 6 tai a,10 a,10 97 do_test 4 tai a,10,b,20 a,10,b,20 98 do_test 6 tai a,20,b,10 b,10,a,20 99else 100 echo "tc ($(tc -V)) does not support qdisc etf. skipping" 101 [ $ret -eq 0 ] && ret=$ksft_skip 102fi 103 104if [ $ret -eq 0 ]; then 105 echo OK. All tests passed 106elif [[ $ret -ne $ksft_skip && -n "$KSFT_MACHINE_SLOW" ]]; then 107 echo "Ignoring errors due to slow environment" 1>&2 108 ret=0 109fi 110exit $ret 111