hw_stats_l3_gre.sh

  1#!/bin/bash
  2# SPDX-License-Identifier: GPL-2.0
  3
  4# Test L3 stats on IP-in-IP GRE tunnel without key.
  5
  6# This test uses flat topology for IP tunneling tests. See ipip_lib.sh for more
  7# details.
  8
  9ALL_TESTS="
 10	ping_ipv4
 11	test_stats_rx
 12	test_stats_tx
 13"
 14NUM_NETIFS=6
 15lib_dir=$(dirname "$0")
 16source "$lib_dir"/../../../net/forwarding/lib.sh
 17source "$lib_dir"/../../../net/forwarding/ipip_lib.sh
 18source "$lib_dir"/../../../net/forwarding/tc_common.sh
 19
 20setup_prepare()
 21{
 22	h1=${NETIFS[p1]}
 23	ol1=${NETIFS[p2]}
 24
 25	ul1=${NETIFS[p3]}
 26	ul2=${NETIFS[p4]}
 27
 28	ol2=${NETIFS[p5]}
 29	h2=${NETIFS[p6]}
 30
 31	ol1mac=$(mac_get $ol1)
 32
 33	forwarding_enable
 34	vrf_prepare
 35	h1_create
 36	h2_create
 37	sw1_flat_create gre $ol1 $ul1
 38	sw2_flat_create gre $ol2 $ul2
 39	ip stats set dev g1a l3_stats on
 40	ip stats set dev g2a l3_stats on
 41}
 42
 43cleanup()
 44{
 45	pre_cleanup
 46
 47	ip stats set dev g1a l3_stats off
 48	ip stats set dev g2a l3_stats off
 49
 50	sw2_flat_destroy $ol2 $ul2
 51	sw1_flat_destroy $ol1 $ul1
 52	h2_destroy
 53	h1_destroy
 54
 55	vrf_cleanup
 56	forwarding_restore
 57}
 58
 59ping_ipv4()
 60{
 61	RET=0
 62
 63	ping_test $h1 192.0.2.18 " gre flat"
 64}
 65
 66send_packets_ipv4()
 67{
 68	# Send 21 packets instead of 20, because the first one might trap and go
 69	# through the SW datapath, which might not bump the HW counter.
 70	$MZ $h1 -c 21 -d 20msec -p 100 \
 71	    -a own -b $ol1mac -A 192.0.2.1 -B 192.0.2.18 \
 72	    -q -t udp sp=54321,dp=12345
 73}
 74
 75test_stats()
 76{
 77	local dev=$1; shift
 78	local dir=$1; shift
 79
 80	local a
 81	local b
 82
 83	RET=0
 84
 85	a=$(hw_stats_get l3_stats $dev $dir packets)
 86	send_packets_ipv4
 87	b=$(busywait "$TC_HIT_TIMEOUT" until_counter_is ">= $a + 20" \
 88		     hw_stats_get l3_stats $dev $dir packets)
 89	check_err $? "Traffic not reflected in the counter: $a -> $b"
 90
 91	log_test "Test $dir packets: $prot"
 92}
 93
 94test_stats_tx()
 95{
 96	test_stats g1a tx
 97}
 98
 99test_stats_rx()
100{
101	test_stats g2a rx
102}
103
104trap cleanup EXIT
105
106setup_prepare
107setup_wait
108
109tests_run
110
111exit $EXIT_STATUS