udpgso.sh

  1#!/bin/sh
  2# SPDX-License-Identifier: GPL-2.0
  3#
  4# Run a series of udpgso regression tests
  5
  6set -o errexit
  7set -o nounset
  8
  9setup_loopback() {
 10	ip addr add dev lo 10.0.0.1/32
 11	ip addr add dev lo fd00::1/128 nodad noprefixroute
 12}
 13
 14test_dev_mtu() {
 15	setup_loopback
 16	# Reduce loopback MTU
 17	ip link set dev lo mtu 1500
 18}
 19
 20test_route_mtu() {
 21	setup_loopback
 22	# Remove default local routes
 23	ip route del local 10.0.0.1/32 table local dev lo
 24	ip route del local fd00::1/128 table local dev lo
 25	# Install local routes with reduced MTU
 26	ip route add local 10.0.0.1/32 table local dev lo mtu 1500
 27	ip route add local fd00::1/128 table local dev lo mtu 1500
 28}
 29
 30setup_dummy_sink() {
 31	ip link add name sink mtu 1500 type dummy
 32	ip addr add dev sink 10.0.0.0/24
 33	ip addr add dev sink fd00::2/64 nodad
 34	ip link set dev sink up
 35}
 36
 37test_hw_gso_hw_csum() {
 38	setup_dummy_sink
 39	ethtool -K sink tx-checksum-ip-generic on >/dev/null
 40	ethtool -K sink tx-udp-segmentation on >/dev/null
 41}
 42
 43test_sw_gso_hw_csum() {
 44	setup_dummy_sink
 45	ethtool -K sink tx-checksum-ip-generic on >/dev/null
 46	ethtool -K sink tx-udp-segmentation off >/dev/null
 47}
 48
 49test_sw_gso_sw_csum() {
 50	setup_dummy_sink
 51	ethtool -K sink tx-checksum-ip-generic off >/dev/null
 52	ethtool -K sink tx-udp-segmentation off >/dev/null
 53}
 54
 55if [ "$#" -gt 0 ]; then
 56	"$1"
 57	shift 2 # pop "test_*" arg and "--" delimiter
 58	exec "$@"
 59fi
 60
 61echo "ipv4 cmsg"
 62./in_netns.sh "$0" test_dev_mtu -- ./udpgso -4 -C
 63
 64echo "ipv4 setsockopt"
 65./in_netns.sh "$0" test_dev_mtu -- ./udpgso -4 -C -s
 66
 67echo "ipv6 cmsg"
 68./in_netns.sh "$0" test_dev_mtu -- ./udpgso -6 -C
 69
 70echo "ipv6 setsockopt"
 71./in_netns.sh "$0" test_dev_mtu -- ./udpgso -6 -C -s
 72
 73echo "ipv4 connected"
 74./in_netns.sh "$0" test_route_mtu -- ./udpgso -4 -c
 75
 76echo "ipv6 connected"
 77./in_netns.sh "$0" test_route_mtu -- ./udpgso -6 -c
 78
 79echo "ipv4 msg_more"
 80./in_netns.sh "$0" test_dev_mtu -- ./udpgso -4 -C -m
 81
 82echo "ipv6 msg_more"
 83./in_netns.sh "$0" test_dev_mtu -- ./udpgso -6 -C -m
 84
 85echo "ipv4 hw-gso hw-csum"
 86./in_netns.sh "$0" test_hw_gso_hw_csum -- ./udpgso -4 -C -R
 87
 88echo "ipv6 hw-gso hw-csum"
 89./in_netns.sh "$0" test_hw_gso_hw_csum -- ./udpgso -6 -C -R
 90
 91echo "ipv4 sw-gso hw-csum"
 92./in_netns.sh "$0" test_sw_gso_hw_csum -- ./udpgso -4 -C -R
 93
 94echo "ipv6 sw-gso hw-csum"
 95./in_netns.sh "$0" test_sw_gso_hw_csum -- ./udpgso -6 -C -R
 96
 97echo "ipv4 sw-gso sw-csum"
 98./in_netns.sh "$0" test_sw_gso_sw_csum -- ./udpgso -4 -C -R
 99
100echo "ipv6 sw-gso sw-csum"
101./in_netns.sh "$0" test_sw_gso_sw_csum -- ./udpgso -6 -C -R