tc_mpls_l2vpn.sh

  1#!/bin/bash
  2# SPDX-License-Identifier: GPL-2.0
  3
  4# +-----------------------+
  5# | H1 (v$h1)             |
  6# | 192.0.2.1/24          |
  7# | 2001:db8::1/124       |
  8# |                 + $h1 |
  9# +-----------------|-----+
 10#                   |
 11#                   | (Plain Ethernet traffic)
 12#                   |
 13# +-----------------|-----------------------------------------+
 14# | LER1            + $edge1                                  |
 15# |                     -ingress:                             |
 16# |                       -encapsulate Ethernet into MPLS     |
 17# |                       -add outer Ethernet header          |
 18# |                       -redirect to $mpls1 (egress)        |
 19# |                                                           |
 20# |                 + $mpls1                                  |
 21# |                 |   -ingress:                             |
 22# |                 |     -remove outer Ethernet header       |
 23# |                 |     -remove MPLS header                 |
 24# |                 |     -redirect to $edge1 (egress)        |
 25# +-----------------|-----------------------------------------+
 26#                   |
 27#                   | (Ethernet over MPLS traffic)
 28#                   |
 29# +-----------------|-----------------------------------------+
 30# | LER2            + $mpls2                                  |
 31# |                     -ingress:                             |
 32# |                       -remove outer Ethernet header       |
 33# |                       -remove MPLS header                 |
 34# |                       -redirect to $edge2 (egress)        |
 35# |                                                           |
 36# |                 + $edge2                                  |
 37# |                 |   -ingress:                             |
 38# |                 |     -encapsulate Ethernet into MPLS     |
 39# |                 |     -add outer Ethernet header          |
 40# |                 |     -redirect to $mpls2 (egress)        |
 41# +-----------------|-----------------------------------------|
 42#                   |
 43#                   | (Plain Ethernet traffic)
 44#                   |
 45# +-----------------|-----+
 46# | H2 (v$h2)       |     |
 47# |                 + $h2 |
 48# | 192.0.2.2/24          |
 49# | 2001:db8::2/124       |
 50# +-----------------------+
 51#
 52# LER1 and LER2 logically represent two different routers. However, no VRF is
 53# created for them, as they don't do any IP routing.
 54
 55ALL_TESTS="mpls_forward_eth"
 56NUM_NETIFS=6
 57source lib.sh
 58
 59h1_create()
 60{
 61	simple_if_init $h1 192.0.2.1/24 2001:db8::1/124
 62}
 63
 64h1_destroy()
 65{
 66	simple_if_fini $h1 192.0.2.1/24 2001:db8::1/124
 67}
 68
 69h2_create()
 70{
 71	simple_if_init $h2 192.0.2.2/24 2001:db8::2/124
 72}
 73
 74h2_destroy()
 75{
 76	simple_if_fini $h2 192.0.2.2/24 2001:db8::2/124
 77}
 78
 79ler1_create()
 80{
 81	tc qdisc add dev $edge1 ingress
 82	tc filter add dev $edge1 ingress                            \
 83	   matchall                                                 \
 84	   action mpls mac_push label 102                           \
 85	   action vlan push_eth dst_mac $mpls2mac src_mac $mpls1mac \
 86	   action mirred egress redirect dev $mpls1
 87	ip link set dev $edge1 up
 88
 89	tc qdisc add dev $mpls1 ingress
 90	tc filter add dev $mpls1 ingress            \
 91	   protocol mpls_uc                         \
 92	   flower mpls_label 101                    \
 93	   action vlan pop_eth                      \
 94	   action mpls pop protocol teb             \
 95	   action mirred egress redirect dev $edge1
 96	ip link set dev $mpls1 up
 97}
 98
 99ler1_destroy()
100{
101	ip link set dev $mpls1 down
102	tc qdisc del dev $mpls1 ingress
103
104	ip link set dev $edge1 down
105	tc qdisc del dev $edge1 ingress
106}
107
108ler2_create()
109{
110	tc qdisc add dev $edge2 ingress
111	tc filter add dev $edge2 ingress                            \
112	   matchall                                                 \
113	   action mpls mac_push label 101                           \
114	   action vlan push_eth dst_mac $mpls1mac src_mac $mpls2mac \
115	   action mirred egress redirect dev $mpls2
116	ip link set dev $edge2 up
117
118	tc qdisc add dev $mpls2 ingress
119	tc filter add dev $mpls2 ingress            \
120	   protocol mpls_uc                         \
121	   flower mpls_label 102                    \
122	   action vlan pop_eth                      \
123	   action mpls pop protocol teb             \
124	   action mirred egress redirect dev $edge2
125	ip link set dev $mpls2 up
126}
127
128ler2_destroy()
129{
130	ip link set dev $mpls2 down
131	tc qdisc del dev $mpls2 ingress
132
133	ip link set dev $edge2 down
134	tc qdisc del dev $edge2 ingress
135}
136
137mpls_forward_eth()
138{
139	ping_test $h1 192.0.2.2
140	ping6_test $h1 2001:db8::2
141}
142
143setup_prepare()
144{
145	h1=${NETIFS[p1]}
146	edge1=${NETIFS[p2]}
147
148	mpls1=${NETIFS[p3]}
149	mpls2=${NETIFS[p4]}
150
151	edge2=${NETIFS[p5]}
152	h2=${NETIFS[p6]}
153
154	mpls1mac=$(mac_get $mpls1)
155	mpls2mac=$(mac_get $mpls2)
156
157	vrf_prepare
158
159	h1_create
160	h2_create
161	ler1_create
162	ler2_create
163}
164
165cleanup()
166{
167	pre_cleanup
168
169	ler2_destroy
170	ler1_destroy
171	h2_destroy
172	h1_destroy
173
174	vrf_cleanup
175}
176
177trap cleanup EXIT
178
179setup_prepare
180setup_wait
181
182tests_run
183
184tc_offload_check
185if [[ $? -ne 0 ]]; then
186	log_info "Could not test offloaded functionality"
187else
188	tcflags="skip_sw"
189	tests_run
190fi
191
192exit $EXIT_STATUS