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=xdpxceiver
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 2
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 1
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 2 ]; then
40		echo -e "$2: [ FAIL ]"
41	elif [ $statusval -eq 1 ]; then
42		echo -e "$2: [ SKIPPED ]"
43	elif [ $statusval -eq 0 ]; then
44		echo -e "$2: [ PASS ]"
45	fi
46}
47
48test_exit()
49{
50	retval=$1
51	if [ $2 -ne 0 ]; then
52		test_status $2 $(basename $0)
53	fi
54	exit $retval
55}
56
57clear_configs()
58{
59	if [ $(ip netns show | grep $3 &>/dev/null; echo $?;) == 0 ]; then
60		[ $(ip netns exec $3 ip link show $2 &>/dev/null; echo $?;) == 0 ] &&
61			{ ip netns exec $3 ip link del $2; }
62		ip netns del $3
63	fi
64	#Once we delete a veth pair node, the entire veth pair is removed,
65	#this is just to be cautious just incase the NS does not exist then
66	#veth node inside NS won't get removed so we explicitly remove it
67	[ $(ip link show $1 &>/dev/null; echo $?;) == 0 ] &&
68		{ ip link del $1; }
69}
70
71cleanup_exit()
72{
73	clear_configs $1 $2 $3
74}
75
76validate_ip_utility()
77{
78	[ ! $(type -P ip) ] && { echo "'ip' not found. Skipping tests."; test_exit $ksft_skip 1; }
79}
80
81execxdpxceiver()
82{
83        if [[ $busy_poll -eq 1 ]]; then
84	        ARGS+="-b "
85	fi
86
87	./${XSKOBJ} -i ${VETH0} -i ${VETH1},${NS1} ${ARGS}
88}
89