@@ -30,6 +30,7 @@ TEST_PROGS += ioam6.sh
TEST_PROGS += gro.sh
TEST_PROGS += gre_gso.sh
TEST_PROGS += cmsg_so_mark.sh
+TEST_PROGS += cmsg_time.sh
TEST_PROGS += srv6_end_dt46_l3vpn_test.sh
TEST_PROGS += srv6_end_dt4_l3vpn_test.sh
TEST_PROGS += srv6_end_dt6_l3vpn_test.sh
new file mode 100755
@@ -0,0 +1,83 @@
+#!/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
Test TIMESTAMPING and TXTIME across UDP / ICMP and IP versions. Before ICMPv6 support: # ./tools/testing/selftests/net/cmsg_time.sh Case ICMPv6 - ts cnt returned '0', expected '2' Case ICMPv6 - ts0 SCHED returned '', expected 'OK' Case ICMPv6 - ts0 SND returned '', expected 'OK' Case ICMPv6 - TXTIME abs returned '', expected 'OK' Case ICMPv6 - TXTIME rel returned '', expected 'OK' FAIL - 5/36 cases failed After: # ./tools/testing/selftests/net/cmsg_time.sh OK Signed-off-by: Jakub Kicinski <kuba@kernel.org> --- tools/testing/selftests/net/Makefile | 1 + tools/testing/selftests/net/cmsg_time.sh | 83 ++++++++++++++++++++++++ 2 files changed, 84 insertions(+) create mode 100755 tools/testing/selftests/net/cmsg_time.sh