1#!/bin/bash
  2# SPDX-License-Identifier: GPL-2.0
  3
  4readonly NS="ns1-$(mktemp -u XXXXXX)"
  5readonly V0_IP4=10.10.0.11
  6readonly V1_IP4=10.10.0.1
  7readonly V0_IP6=2001:db8::11
  8readonly V1_IP6=2001:db8::1
  9
 10ret=1
 11
 12setup() {
 13	{
 14		ip netns add ${NS}
 15
 16		ip link add v1 type veth peer name v0 netns ${NS}
 17
 18		ip link set v1 up
 19		ip addr add $V1_IP4/24 dev v1
 20		ip addr add $V1_IP6/64 nodad dev v1
 21		ip -n ${NS} link set dev v0 up
 22		ip -n ${NS} addr add $V0_IP4/24 dev v0
 23		ip -n ${NS} addr add $V0_IP6/64 nodad dev v0
 24
 25		# Enable XDP mode and disable checksum offload
 26		ethtool -K v1 gro on
 27		ethtool -K v1 tx-checksumming off
 28		ip netns exec ${NS} ethtool -K v0 gro on
 29		ip netns exec ${NS} ethtool -K v0 tx-checksumming off
 30	} > /dev/null 2>&1
 31}
 32
 33cleanup() {
 34	ip link del v1 2> /dev/null
 35	ip netns del ${NS} 2> /dev/null
 36	[ "$(pidof xdp_features)" = "" ] || kill $(pidof xdp_features) 2> /dev/null
 37}
 38
 39wait_for_dut_server() {
 40	while sleep 1; do
 41		ss -tlp | grep -q xdp_features
 42		[ $? -eq 0 ] && break
 43	done
 44}
 45
 46test_xdp_features() {
 47	setup
 48
 49	## XDP_PASS
 50	./xdp_features -f XDP_PASS -D $V1_IP6 -T $V0_IP6 v1 &
 51	wait_for_dut_server
 52	ip netns exec ${NS} ./xdp_features -t -f XDP_PASS \
 53					   -D $V1_IP6 -C $V1_IP6 \
 54					   -T $V0_IP6 v0
 55	[ $? -ne 0 ] && exit
 56
 57	## XDP_DROP
 58	./xdp_features -f XDP_DROP -D ::ffff:$V1_IP4 -T ::ffff:$V0_IP4 v1 &
 59	wait_for_dut_server
 60	ip netns exec ${NS} ./xdp_features -t -f XDP_DROP \
 61					   -D ::ffff:$V1_IP4 \
 62					   -C ::ffff:$V1_IP4 \
 63					   -T ::ffff:$V0_IP4 v0
 64	[ $? -ne 0 ] && exit
 65
 66	## XDP_ABORTED
 67	./xdp_features -f XDP_ABORTED -D $V1_IP6 -T $V0_IP6 v1 &
 68	wait_for_dut_server
 69	ip netns exec ${NS} ./xdp_features -t -f XDP_ABORTED \
 70					   -D $V1_IP6 -C $V1_IP6 \
 71					   -T $V0_IP6 v0
 72	[ $? -ne 0 ] && exit
 73
 74	## XDP_TX
 75	./xdp_features -f XDP_TX -D ::ffff:$V1_IP4 -T ::ffff:$V0_IP4 v1 &
 76	wait_for_dut_server
 77	ip netns exec ${NS} ./xdp_features -t -f XDP_TX \
 78					   -D ::ffff:$V1_IP4 \
 79					   -C ::ffff:$V1_IP4 \
 80					   -T ::ffff:$V0_IP4 v0
 81	[ $? -ne 0 ] && exit
 82
 83	## XDP_REDIRECT
 84	./xdp_features -f XDP_REDIRECT -D $V1_IP6 -T $V0_IP6 v1 &
 85	wait_for_dut_server
 86	ip netns exec ${NS} ./xdp_features -t -f XDP_REDIRECT \
 87					   -D $V1_IP6 -C $V1_IP6 \
 88					   -T $V0_IP6 v0
 89	[ $? -ne 0 ] && exit
 90
 91	## XDP_NDO_XMIT
 92	./xdp_features -f XDP_NDO_XMIT -D ::ffff:$V1_IP4 -T ::ffff:$V0_IP4 v1 &
 93	wait_for_dut_server
 94	ip netns exec ${NS} ./xdp_features -t -f XDP_NDO_XMIT \
 95					   -D ::ffff:$V1_IP4 \
 96					   -C ::ffff:$V1_IP4 \
 97					   -T ::ffff:$V0_IP4 v0
 98	ret=$?
 99	cleanup
100}
101
102set -e
103trap cleanup 2 3 6 9
104
105test_xdp_features
106
107exit $ret