tjh.dev
Linux kernel mirror (for testing)
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1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4setup_veth_ns() {
5 local -r link_dev="$1"
6 local -r ns_name="$2"
7 local -r ns_dev="$3"
8 local -r ns_mac="$4"
9
10 [[ -e /var/run/netns/"${ns_name}" ]] || ip netns add "${ns_name}"
11 echo 100000 > "/sys/class/net/${ns_dev}/gro_flush_timeout"
12 ip link set dev "${ns_dev}" netns "${ns_name}" mtu 65535
13 ip -netns "${ns_name}" link set dev "${ns_dev}" up
14
15 ip netns exec "${ns_name}" ethtool -K "${ns_dev}" gro on tso off
16}
17
18setup_ns() {
19 # Set up server_ns namespace and client_ns namespace
20 ip link add name server type veth peer name client
21
22 setup_veth_ns "${dev}" server_ns server "${SERVER_MAC}"
23 setup_veth_ns "${dev}" client_ns client "${CLIENT_MAC}"
24}
25
26cleanup_ns() {
27 local ns_name
28
29 for ns_name in client_ns server_ns; do
30 [[ -e /var/run/netns/"${ns_name}" ]] && ip netns del "${ns_name}"
31 done
32}
33
34setup() {
35 # no global init setup step needed
36 :
37}
38
39cleanup() {
40 cleanup_ns
41}