linux/tools/testing/selftests/net/ip_defrag.sh
Paolo Abeni 9dffa76c21 selftests: use posix-style redirection in ip_defrag.sh
The ip_defrag.sh script requires bash-style output redirection but
use the default shell. This may cause random failures if the default
shell is not bash.
Address the above using posix compliant output redirection.

Fixes: 02c7f38b7a ("selftests/net: add ip_defrag selftest")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:22:07 -07:00

40 lines
911 B
Bash
Executable File

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# Run a couple of IP defragmentation tests.
set +x
set -e
readonly NETNS="ns-$(mktemp -u XXXXXX)"
setup() {
ip netns add "${NETNS}"
ip -netns "${NETNS}" link set lo up
ip netns exec "${NETNS}" sysctl -w net.ipv4.ipfrag_high_thresh=9000000 >/dev/null 2>&1
ip netns exec "${NETNS}" sysctl -w net.ipv4.ipfrag_low_thresh=7000000 >/dev/null 2>&1
ip netns exec "${NETNS}" sysctl -w net.ipv6.ip6frag_high_thresh=9000000 >/dev/null 2>&1
ip netns exec "${NETNS}" sysctl -w net.ipv6.ip6frag_low_thresh=7000000 >/dev/null 2>&1
}
cleanup() {
ip netns del "${NETNS}"
}
trap cleanup EXIT
setup
echo "ipv4 defrag"
ip netns exec "${NETNS}" ./ip_defrag -4
echo "ipv4 defrag with overlaps"
ip netns exec "${NETNS}" ./ip_defrag -4o
echo "ipv6 defrag"
ip netns exec "${NETNS}" ./ip_defrag -6
echo "ipv6 defrag with overlaps"
ip netns exec "${NETNS}" ./ip_defrag -6o