xref: /linux/tools/testing/selftests/bpf/xsk_prereqs.sh (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3# Copyright(c) 2020 Intel Corporation.
4
5ksft_pass=0
6ksft_fail=1
7ksft_xfail=2
8ksft_xpass=3
9ksft_skip=4
10
11XSKOBJ=xskxceiver
12
13validate_root_exec()
14{
15	msg="skip all tests:"
16	if [ $UID != 0 ]; then
17		echo $msg must be run as root >&2
18		test_exit $ksft_fail
19	else
20		return $ksft_pass
21	fi
22}
23
24validate_veth_support()
25{
26	msg="skip all tests:"
27	if [ $(ip link add $1 type veth 2>/dev/null; echo $?;) != 0 ]; then
28		echo $msg veth kernel support not available >&2
29		test_exit $ksft_skip
30	else
31		ip link del $1
32		return $ksft_pass
33	fi
34}
35
36test_status()
37{
38	statusval=$1
39	if [ $statusval -eq $ksft_fail ]; then
40		echo "$2: [ FAIL ]"
41	elif [ $statusval -eq $ksft_skip ]; then
42		echo "$2: [ SKIPPED ]"
43	elif [ $statusval -eq $ksft_pass ]; then
44		echo "$2: [ PASS ]"
45	fi
46}
47
48test_exit()
49{
50	if [ $1 -ne 0 ]; then
51		test_status $1 $(basename $0)
52	fi
53	exit 1
54}
55
56cleanup_iface()
57{
58	ip link set $1 mtu $2
59	ip link set $1 xdp off
60	ip link set $1 xdpgeneric off
61}
62
63clear_configs()
64{
65	[ $(ip link show $1 &>/dev/null; echo $?;) == 0 ] &&
66		{ ip link del $1; }
67}
68
69cleanup_exit()
70{
71	clear_configs $1 $2
72}
73
74validate_ip_utility()
75{
76	[ ! $(type -P ip) ] && { echo "'ip' not found. Skipping tests."; test_exit $ksft_skip; }
77}
78
79exec_xskxceiver()
80{
81        if [[ $busy_poll -eq 1 ]]; then
82	        ARGS+="-b "
83	fi
84
85	./${XSKOBJ} -i ${VETH0} -i ${VETH1} ${ARGS}
86	retval=$?
87
88	if [[ $list -ne 1 ]]; then
89	    test_status $retval "${TEST_NAME}"
90	    statusList+=($retval)
91	    nameList+=(${TEST_NAME})
92	fi
93}
94