1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4readonly server_ns=$(mktemp -u server-XXXXXXXX)
5readonly client_ns=$(mktemp -u client-XXXXXXXX)
6
7setup_veth_ns() {
8	local -r link_dev="$1"
9	local -r ns_name="$2"
10	local -r ns_dev="$3"
11	local -r ns_mac="$4"
12
13	[[ -e /var/run/netns/"${ns_name}" ]] || ip netns add "${ns_name}"
14	echo 1000000 > "/sys/class/net/${ns_dev}/gro_flush_timeout"
15	ip link set dev "${ns_dev}" netns "${ns_name}" mtu 65535
16	ip -netns "${ns_name}" link set dev "${ns_dev}" up
17
18	ip netns exec "${ns_name}" ethtool -K "${ns_dev}" gro on tso off
19}
20
21setup_ns() {
22	# Set up server_ns namespace and client_ns namespace
23	ip link add name server type veth peer name client
24
25	setup_veth_ns "${dev}" ${server_ns} server "${SERVER_MAC}"
26	setup_veth_ns "${dev}" ${client_ns} client "${CLIENT_MAC}"
27}
28
29cleanup_ns() {
30	local ns_name
31
32	for ns_name in ${client_ns} ${server_ns}; do
33		[[ -e /var/run/netns/"${ns_name}" ]] && ip netns del "${ns_name}"
34	done
35}
36
37setup() {
38	# no global init setup step needed
39	:
40}
41
42cleanup() {
43	cleanup_ns
44}
45