tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
15source lib.sh
16source ipip_lib.sh
17
18setup_prepare()
19{
20 h1=${NETIFS[p1]}
21 ol1=${NETIFS[p2]}
22
23 ul1=${NETIFS[p3]}
24 ul2=${NETIFS[p4]}
25
26 ol2=${NETIFS[p5]}
27 h2=${NETIFS[p6]}
28
29 ol1mac=$(mac_get $ol1)
30
31 forwarding_enable
32 vrf_prepare
33 h1_create
34 h2_create
35 sw1_flat_create gre $ol1 $ul1
36 sw2_flat_create gre $ol2 $ul2
37 ip stats set dev g1a l3_stats on
38 ip stats set dev g2a l3_stats on
39}
40
41cleanup()
42{
43 pre_cleanup
44
45 ip stats set dev g1a l3_stats off
46 ip stats set dev g2a l3_stats off
47
48 sw2_flat_destroy $ol2 $ul2
49 sw1_flat_destroy $ol1 $ul1
50 h2_destroy
51 h1_destroy
52
53 vrf_cleanup
54 forwarding_restore
55}
56
57ping_ipv4()
58{
59 RET=0
60
61 ping_test $h1 192.0.2.18 " gre flat"
62}
63
64send_packets_ipv4()
65{
66 # Send 21 packets instead of 20, because the first one might trap and go
67 # through the SW datapath, which might not bump the HW counter.
68 $MZ $h1 -c 21 -d 20msec -p 100 \
69 -a own -b $ol1mac -A 192.0.2.1 -B 192.0.2.18 \
70 -q -t udp sp=54321,dp=12345
71}
72
73test_stats()
74{
75 local dev=$1; shift
76 local dir=$1; shift
77
78 local a
79 local b
80
81 RET=0
82
83 a=$(hw_stats_get l3_stats $dev $dir packets)
84 send_packets_ipv4
85 b=$(busywait "$TC_HIT_TIMEOUT" until_counter_is ">= $a + 20" \
86 hw_stats_get l3_stats $dev $dir packets)
87 check_err $? "Traffic not reflected in the counter: $a -> $b"
88
89 log_test "Test $dir packets: $prot"
90}
91
92test_stats_tx()
93{
94 test_stats g1a tx
95}
96
97test_stats_rx()
98{
99 test_stats g2a rx
100}
101
102trap cleanup EXIT
103
104setup_prepare
105setup_wait
106
107tests_run
108
109exit $EXIT_STATUS