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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
source lib.sh
IP4=172.16.0.1/24
TGT4=172.16.0.2
IP6=2001:db8:1::1/64
TGT6=2001:db8:1::2
cleanup()
{
cleanup_ns $NS
}
trap cleanup EXIT
# Namespaces
setup_ns 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" "$prot - TXTIME abs"
[ "$KSFT_MACHINE_SLOW" = yes ] && delay=8000 || delay=1000
ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234 -t -d $delay |
awk '/SND/ {snd=$3}
/SCHED/ {sch=$3}
END { if (snd - sch > '$((delay/2))') print "OK";
else print snd, "-", sch, "<", '$((delay/2))'; }')
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
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