1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4ipv6=false
5
6source ./hsr_common.sh
7
8do_complete_ping_test()
9{
10	echo "INFO: Initial validation ping (HSR-SAN/RedBox)."
11	# Each node has to be able to reach each one.
12	do_ping "${ns1}" 100.64.0.2
13	do_ping "${ns2}" 100.64.0.1
14	# Ping between SANs (test bridge)
15	do_ping "${ns4}" 100.64.0.51
16	do_ping "${ns5}" 100.64.0.41
17	# Ping from SANs to hsr1 (via hsr2) (and opposite)
18	do_ping "${ns3}" 100.64.0.1
19	do_ping "${ns1}" 100.64.0.3
20	do_ping "${ns1}" 100.64.0.41
21	do_ping "${ns4}" 100.64.0.1
22	do_ping "${ns1}" 100.64.0.51
23	do_ping "${ns5}" 100.64.0.1
24	stop_if_error "Initial validation failed."
25
26	# Wait for MGNT HSR frames being received and nodes being
27	# merged.
28	sleep 5
29
30	echo "INFO: Longer ping test (HSR-SAN/RedBox)."
31	# Ping from SAN to hsr1 (via hsr2)
32	do_ping_long "${ns3}" 100.64.0.1
33	# Ping from hsr1 (via hsr2) to SANs (and opposite)
34	do_ping_long "${ns1}" 100.64.0.3
35	do_ping_long "${ns1}" 100.64.0.41
36	do_ping_long "${ns4}" 100.64.0.1
37	do_ping_long "${ns1}" 100.64.0.51
38	do_ping_long "${ns5}" 100.64.0.1
39	stop_if_error "Longer ping test failed."
40
41	echo "INFO: All good."
42}
43
44setup_hsr_interfaces()
45{
46	local HSRv="$1"
47
48	echo "INFO: preparing interfaces for HSRv${HSRv} (HSR-SAN/RedBox)."
49#
50# IPv4 addresses (100.64.X.Y/24), and [X.Y] is presented on below diagram:
51#
52#
53# |NS1                     |               |NS4                |
54# |       [0.1]            |               |                   |
55# |    /-- hsr1 --\        |               |    [0.41]         |
56# | ns1eth1     ns1eth2    |               |    ns4eth1 (SAN)  |
57# |------------------------|               |-------------------|
58#      |            |                                |
59#      |            |                                |
60#      |            |                                |
61# |------------------------|   |-------------------------------|
62# | ns2eth1     ns2eth2    |   |                  ns3eth2      |
63# |    \-- hsr2 --/        |   |                 /             |
64# |      [0.2] \           |   |                /              |  |------------|
65# |             ns2eth3    |---| ns3eth1 -- ns3br1 -- ns3eth3--|--| ns5eth1    |
66# |             (interlink)|   | [0.3]      [0.11]             |  | [0.51]     |
67# |NS2 (RedBOX)            |   |NS3 (BR)                       |  | NS5 (SAN)  |
68#
69#
70	# Check if iproute2 supports adding interlink port to hsrX device
71	ip link help hsr | grep -q INTERLINK
72	[ $? -ne 0 ] && { echo "iproute2: HSR interlink interface not supported!"; exit 0; }
73
74	# Create interfaces for name spaces
75	ip link add ns1eth1 netns "${ns1}" type veth peer name ns2eth1 netns "${ns2}"
76	ip link add ns1eth2 netns "${ns1}" type veth peer name ns2eth2 netns "${ns2}"
77	ip link add ns2eth3 netns "${ns2}" type veth peer name ns3eth1 netns "${ns3}"
78	ip link add ns3eth2 netns "${ns3}" type veth peer name ns4eth1 netns "${ns4}"
79	ip link add ns3eth3 netns "${ns3}" type veth peer name ns5eth1 netns "${ns5}"
80
81	sleep 1
82
83	ip -n "${ns1}" link set ns1eth1 up
84	ip -n "${ns1}" link set ns1eth2 up
85
86	ip -n "${ns2}" link set ns2eth1 up
87	ip -n "${ns2}" link set ns2eth2 up
88	ip -n "${ns2}" link set ns2eth3 up
89
90	ip -n "${ns3}" link add name ns3br1 type bridge
91	ip -n "${ns3}" link set ns3br1 up
92	ip -n "${ns3}" link set ns3eth1 master ns3br1 up
93	ip -n "${ns3}" link set ns3eth2 master ns3br1 up
94	ip -n "${ns3}" link set ns3eth3 master ns3br1 up
95
96	ip -n "${ns4}" link set ns4eth1 up
97	ip -n "${ns5}" link set ns5eth1 up
98
99	ip -net "${ns1}" link add name hsr1 type hsr slave1 ns1eth1 slave2 ns1eth2 supervision 45 version ${HSRv} proto 0
100	ip -net "${ns2}" link add name hsr2 type hsr slave1 ns2eth1 slave2 ns2eth2 interlink ns2eth3 supervision 45 version ${HSRv} proto 0
101
102	ip -n "${ns1}" addr add 100.64.0.1/24 dev hsr1
103	ip -n "${ns2}" addr add 100.64.0.2/24 dev hsr2
104	ip -n "${ns3}" addr add 100.64.0.11/24 dev ns3br1
105	ip -n "${ns3}" addr add 100.64.0.3/24 dev ns3eth1
106	ip -n "${ns4}" addr add 100.64.0.41/24 dev ns4eth1
107	ip -n "${ns5}" addr add 100.64.0.51/24 dev ns5eth1
108
109	ip -n "${ns1}" link set hsr1 up
110	ip -n "${ns2}" link set hsr2 up
111}
112
113check_prerequisites
114setup_ns ns1 ns2 ns3 ns4 ns5
115
116trap cleanup_all_ns EXIT
117
118setup_hsr_interfaces 1
119do_complete_ping_test
120
121exit $ret
122