mirror_gre.sh

  1#!/bin/bash
  2# SPDX-License-Identifier: GPL-2.0
  3
  4# This test uses standard topology for testing gretap. See
  5# ../../../net/forwarding/mirror_gre_topo_lib.sh for more details.
  6#
  7# Test offloading various features of offloading gretap mirrors specific to
  8# mlxsw.
  9
 10lib_dir=$(dirname $0)/../../../net/forwarding
 11
 12NUM_NETIFS=6
 13source $lib_dir/lib.sh
 14source $lib_dir/mirror_lib.sh
 15source $lib_dir/mirror_gre_lib.sh
 16source $lib_dir/mirror_gre_topo_lib.sh
 17
 18ALL_TESTS="
 19	test_keyful
 20	test_soft
 21	test_tos_fixed
 22	test_ttl_inherit
 23"
 24
 25setup_keyful()
 26{
 27	tunnel_create gt6-key ip6gretap 2001:db8:3::1 2001:db8:3::2 \
 28		      ttl 100 tos inherit allow-localremote \
 29		      key 1234
 30
 31	tunnel_create h3-gt6-key ip6gretap 2001:db8:3::2 2001:db8:3::1 \
 32		      key 1234
 33	ip link set h3-gt6-key vrf v$h3
 34	matchall_sink_create h3-gt6-key
 35
 36	ip address add dev $swp3 2001:db8:3::1/64
 37	ip address add dev $h3 2001:db8:3::2/64
 38}
 39
 40cleanup_keyful()
 41{
 42	ip address del dev $h3 2001:db8:3::2/64
 43	ip address del dev $swp3 2001:db8:3::1/64
 44
 45	tunnel_destroy h3-gt6-key
 46	tunnel_destroy gt6-key
 47}
 48
 49setup_soft()
 50{
 51	# Set up a topology for testing underlay routes that point at an
 52	# unsupported soft device.
 53
 54	tunnel_create gt6-soft ip6gretap 2001:db8:4::1 2001:db8:4::2 \
 55		      ttl 100 tos inherit allow-localremote
 56
 57	tunnel_create h3-gt6-soft ip6gretap 2001:db8:4::2 2001:db8:4::1
 58	ip link set h3-gt6-soft vrf v$h3
 59	matchall_sink_create h3-gt6-soft
 60
 61	ip link add name v1 type veth peer name v2
 62	ip link set dev v1 up
 63	ip address add dev v1 2001:db8:4::1/64
 64
 65	ip link set dev v2 vrf v$h3
 66	ip link set dev v2 up
 67	ip address add dev v2 2001:db8:4::2/64
 68}
 69
 70cleanup_soft()
 71{
 72	ip link del dev v1
 73
 74	tunnel_destroy h3-gt6-soft
 75	tunnel_destroy gt6-soft
 76}
 77
 78setup_prepare()
 79{
 80	h1=${NETIFS[p1]}
 81	swp1=${NETIFS[p2]}
 82
 83	swp2=${NETIFS[p3]}
 84	h2=${NETIFS[p4]}
 85
 86	swp3=${NETIFS[p5]}
 87	h3=${NETIFS[p6]}
 88
 89	vrf_prepare
 90	mirror_gre_topo_create
 91
 92	ip address add dev $swp3 2001:db8:2::1/64
 93	ip address add dev $h3 2001:db8:2::2/64
 94
 95	ip address add dev $swp3 192.0.2.129/28
 96	ip address add dev $h3 192.0.2.130/28
 97
 98	setup_keyful
 99	setup_soft
100}
101
102cleanup()
103{
104	pre_cleanup
105
106	cleanup_soft
107	cleanup_keyful
108
109	ip address del dev $h3 2001:db8:2::2/64
110	ip address del dev $swp3 2001:db8:2::1/64
111
112	ip address del dev $h3 192.0.2.130/28
113	ip address del dev $swp3 192.0.2.129/28
114
115	mirror_gre_topo_destroy
116	vrf_cleanup
117}
118
119test_span_gre_ttl_inherit()
120{
121	local tundev=$1; shift
122	local type=$1; shift
123	local what=$1; shift
124
125	RET=0
126
127	ip link set dev $tundev type $type ttl inherit
128	mirror_install $swp1 ingress $tundev "matchall"
129	fail_test_span_gre_dir $tundev
130
131	ip link set dev $tundev type $type ttl 100
132
133	quick_test_span_gre_dir $tundev
134	mirror_uninstall $swp1 ingress
135
136	log_test "$what: no offload on TTL of inherit"
137}
138
139test_span_gre_tos_fixed()
140{
141	local tundev=$1; shift
142	local type=$1; shift
143	local what=$1; shift
144
145	RET=0
146
147	ip link set dev $tundev type $type tos 0x10
148	mirror_install $swp1 ingress $tundev "matchall"
149	fail_test_span_gre_dir $tundev
150
151	ip link set dev $tundev type $type tos inherit
152	quick_test_span_gre_dir $tundev
153	mirror_uninstall $swp1 ingress
154
155	log_test "$what: no offload on a fixed TOS"
156}
157
158test_span_failable()
159{
160	local tundev=$1; shift
161	local what=$1; shift
162
163	RET=0
164
165	mirror_install $swp1 ingress $tundev "matchall"
166	fail_test_span_gre_dir  $tundev
167	mirror_uninstall $swp1 ingress
168
169	log_test "fail $what"
170}
171
172test_keyful()
173{
174	test_span_failable gt6-key "mirror to keyful gretap"
175}
176
177test_soft()
178{
179	test_span_failable gt6-soft "mirror to gretap w/ soft underlay"
180}
181
182test_tos_fixed()
183{
184	test_span_gre_tos_fixed gt4 gretap "mirror to gretap"
185	test_span_gre_tos_fixed gt6 ip6gretap "mirror to ip6gretap"
186}
187
188
189test_ttl_inherit()
190{
191	test_span_gre_ttl_inherit gt4 gretap "mirror to gretap"
192	test_span_gre_ttl_inherit gt6 ip6gretap "mirror to ip6gretap"
193}
194
195trap cleanup EXIT
196
197setup_prepare
198setup_wait
199
200tests_run
201
202exit $EXIT_STATUS