#!/bin/bash # SPDX-License-Identifier: GPL-2.0 NS=ns IP4=172.16.0.1/24 TGT4=172.16.0.2 IP6=2001:db8:1::1/64 TGT6=2001:db8:1::2 cleanup() { ip netns del $NS } trap cleanup EXIT # Namespaces ip netns add $NS ip netns exec $NS sysctl -w net.ipv4.ping_group_range='0 2147483647' > /dev/null # Connectivity ip -netns $NS link add type dummy ip -netns $NS link set dev dummy0 up ip -netns $NS addr add $IP4 dev dummy0 ip -netns $NS addr add $IP6 dev dummy0 # Need FQ for TXTIME ip netns exec $NS tc qdisc replace dev dummy0 root fq # Test BAD=0 TOTAL=0 check_result() { ((TOTAL++)) if [ $1 -ne 0 ]; then echo " Case $4 returned $1, expected 0" ((BAD++)) elif [ "$2" != "$3" ]; then echo " Case $4 returned '$2', expected '$3'" ((BAD++)) fi } for i in "-4 $TGT4" "-6 $TGT6"; do for p in u i r; do [ $p == "u" ] && prot=UDPv${i:1:2} [ $p == "i" ] && prot=ICMPv${i:1:2} [ $p == "r" ] && prot=RAWv${i:1:2} ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234) check_result $? "$ts" "" "$prot - no options" ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234 -t | wc -l) check_result $? "$ts" "2" "$prot - ts cnt" ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234 -t | sed -n "s/.*SCHED ts0 [0-9].*/OK/p") check_result $? "$ts" "OK" "$prot - ts0 SCHED" ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234 -t | sed -n "s/.*SND ts0 [0-9].*/OK/p") check_result $? "$ts" "OK" "$prot - ts0 SND" ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234 -t -d 1000 | awk '/SND/ { if ($3 > 1000) print "OK"; }') check_result $? "$ts" "OK" "$prot - TXTIME abs" ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234 -t -d 1000 | awk '/SND/ {snd=$3} /SCHED/ {sch=$3} END { if (snd - sch > 500) print "OK"; }') check_result $? "$ts" "OK" "$prot - TXTIME rel" done done # Summary if [ $BAD -ne 0 ]; then echo "FAIL - $BAD/$TOTAL cases failed" exit 1 else echo "OK" exit 0 fi