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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
setup_veth_ns() {
local -r link_dev="$1"
local -r ns_name="$2"
local -r ns_dev="$3"
local -r ns_mac="$4"
[[ -e /var/run/netns/"${ns_name}" ]] || ip netns add "${ns_name}"
echo 1000000 > "/sys/class/net/${ns_dev}/gro_flush_timeout"
ip link set dev "${ns_dev}" netns "${ns_name}" mtu 65535
ip -netns "${ns_name}" link set dev "${ns_dev}" up
ip netns exec "${ns_name}" ethtool -K "${ns_dev}" gro on tso off
}
setup_ns() {
# Set up server_ns namespace and client_ns namespace
ip link add name server type veth peer name client
setup_veth_ns "${dev}" server_ns server "${SERVER_MAC}"
setup_veth_ns "${dev}" client_ns client "${CLIENT_MAC}"
}
cleanup_ns() {
local ns_name
for ns_name in client_ns server_ns; do
[[ -e /var/run/netns/"${ns_name}" ]] && ip netns del "${ns_name}"
done
}
setup() {
# no global init setup step needed
:
}
cleanup() {
cleanup_ns
}