1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# 4# Run a couple of IP defragmentation tests. 5 6set +x 7set -e 8 9readonly NETNS="ns-$(mktemp -u XXXXXX)" 10 11setup() { 12 ip netns add "${NETNS}" 13 ip -netns "${NETNS}" link set lo up 14 ip netns exec "${NETNS}" sysctl -w net.ipv4.ipfrag_high_thresh=9000000 >/dev/null 2>&1 15 ip netns exec "${NETNS}" sysctl -w net.ipv4.ipfrag_low_thresh=7000000 >/dev/null 2>&1 16 ip netns exec "${NETNS}" sysctl -w net.ipv6.ip6frag_high_thresh=9000000 >/dev/null 2>&1 17 ip netns exec "${NETNS}" sysctl -w net.ipv6.ip6frag_low_thresh=7000000 >/dev/null 2>&1 18} 19 20cleanup() { 21 ip netns del "${NETNS}" 22} 23 24trap cleanup EXIT 25setup 26 27echo "ipv4 defrag" 28ip netns exec "${NETNS}" ./ip_defrag -4 29 30 31echo "ipv4 defrag with overlaps" 32ip netns exec "${NETNS}" ./ip_defrag -4o 33 34echo "ipv6 defrag" 35ip netns exec "${NETNS}" ./ip_defrag -6 36 37echo "ipv6 defrag with overlaps" 38ip netns exec "${NETNS}" ./ip_defrag -6o 39 40