xref: /OK3568_Linux_fs/kernel/tools/testing/selftests/bpf/test_xdping.sh (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun#!/bin/bash
2*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0
3*4882a593Smuzhiyun
4*4882a593Smuzhiyun# xdping tests
5*4882a593Smuzhiyun#   Here we setup and teardown configuration required to run
6*4882a593Smuzhiyun#   xdping, exercising its options.
7*4882a593Smuzhiyun#
8*4882a593Smuzhiyun#   Setup is similar to test_tunnel tests but without the tunnel.
9*4882a593Smuzhiyun#
10*4882a593Smuzhiyun# Topology:
11*4882a593Smuzhiyun# ---------
12*4882a593Smuzhiyun#     root namespace   |     tc_ns0 namespace
13*4882a593Smuzhiyun#                      |
14*4882a593Smuzhiyun#      ----------      |     ----------
15*4882a593Smuzhiyun#      |  veth1  | --------- |  veth0  |
16*4882a593Smuzhiyun#      ----------    peer    ----------
17*4882a593Smuzhiyun#
18*4882a593Smuzhiyun# Device Configuration
19*4882a593Smuzhiyun# --------------------
20*4882a593Smuzhiyun# Root namespace with BPF
21*4882a593Smuzhiyun# Device names and addresses:
22*4882a593Smuzhiyun#	veth1 IP: 10.1.1.200
23*4882a593Smuzhiyun#	xdp added to veth1, xdpings originate from here.
24*4882a593Smuzhiyun#
25*4882a593Smuzhiyun# Namespace tc_ns0 with BPF
26*4882a593Smuzhiyun# Device names and addresses:
27*4882a593Smuzhiyun#       veth0 IPv4: 10.1.1.100
28*4882a593Smuzhiyun#	For some tests xdping run in server mode here.
29*4882a593Smuzhiyun#
30*4882a593Smuzhiyun
31*4882a593Smuzhiyunreadonly TARGET_IP="10.1.1.100"
32*4882a593Smuzhiyunreadonly TARGET_NS="xdp_ns0"
33*4882a593Smuzhiyun
34*4882a593Smuzhiyunreadonly LOCAL_IP="10.1.1.200"
35*4882a593Smuzhiyun
36*4882a593Smuzhiyunsetup()
37*4882a593Smuzhiyun{
38*4882a593Smuzhiyun	ip netns add $TARGET_NS
39*4882a593Smuzhiyun	ip link add veth0 type veth peer name veth1
40*4882a593Smuzhiyun	ip link set veth0 netns $TARGET_NS
41*4882a593Smuzhiyun	ip netns exec $TARGET_NS ip addr add ${TARGET_IP}/24 dev veth0
42*4882a593Smuzhiyun	ip addr add ${LOCAL_IP}/24 dev veth1
43*4882a593Smuzhiyun	ip netns exec $TARGET_NS ip link set veth0 up
44*4882a593Smuzhiyun	ip link set veth1 up
45*4882a593Smuzhiyun}
46*4882a593Smuzhiyun
47*4882a593Smuzhiyuncleanup()
48*4882a593Smuzhiyun{
49*4882a593Smuzhiyun	set +e
50*4882a593Smuzhiyun	ip netns delete $TARGET_NS 2>/dev/null
51*4882a593Smuzhiyun	ip link del veth1 2>/dev/null
52*4882a593Smuzhiyun	if [[ $server_pid -ne 0 ]]; then
53*4882a593Smuzhiyun		kill -TERM $server_pid
54*4882a593Smuzhiyun	fi
55*4882a593Smuzhiyun}
56*4882a593Smuzhiyun
57*4882a593Smuzhiyuntest()
58*4882a593Smuzhiyun{
59*4882a593Smuzhiyun	client_args="$1"
60*4882a593Smuzhiyun	server_args="$2"
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun	echo "Test client args '$client_args'; server args '$server_args'"
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun	server_pid=0
65*4882a593Smuzhiyun	if [[ -n "$server_args" ]]; then
66*4882a593Smuzhiyun		ip netns exec $TARGET_NS ./xdping $server_args &
67*4882a593Smuzhiyun		server_pid=$!
68*4882a593Smuzhiyun		sleep 10
69*4882a593Smuzhiyun	fi
70*4882a593Smuzhiyun	./xdping $client_args $TARGET_IP
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun	if [[ $server_pid -ne 0 ]]; then
73*4882a593Smuzhiyun		kill -TERM $server_pid
74*4882a593Smuzhiyun		server_pid=0
75*4882a593Smuzhiyun	fi
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun	echo "Test client args '$client_args'; server args '$server_args': PASS"
78*4882a593Smuzhiyun}
79*4882a593Smuzhiyun
80*4882a593Smuzhiyunset -e
81*4882a593Smuzhiyun
82*4882a593Smuzhiyunserver_pid=0
83*4882a593Smuzhiyun
84*4882a593Smuzhiyuntrap cleanup EXIT
85*4882a593Smuzhiyun
86*4882a593Smuzhiyunsetup
87*4882a593Smuzhiyun
88*4882a593Smuzhiyunfor server_args in "" "-I veth0 -s -S" ; do
89*4882a593Smuzhiyun	# client in skb mode
90*4882a593Smuzhiyun	client_args="-I veth1 -S"
91*4882a593Smuzhiyun	test "$client_args" "$server_args"
92*4882a593Smuzhiyun
93*4882a593Smuzhiyun	# client with count of 10 RTT measurements.
94*4882a593Smuzhiyun	client_args="-I veth1 -S -c 10"
95*4882a593Smuzhiyun	test "$client_args" "$server_args"
96*4882a593Smuzhiyundone
97*4882a593Smuzhiyun
98*4882a593Smuzhiyunecho "OK. All tests passed"
99*4882a593Smuzhiyunexit 0
100