1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0
3
4# Regression Test:
5#   Verify LACPDUs get transmitted after setting the MAC address of
6#   the bond.
7#
8# https://bugzilla.redhat.com/show_bug.cgi?id=2020773
9#
10#       +---------+
11#       | fab-br0 |
12#       +---------+
13#            |
14#       +---------+
15#       |  fbond  |
16#       +---------+
17#        |       |
18#    +------+ +------+
19#    |veth1 | |veth2 |
20#    +------+ +------+
21#
22# We use veths instead of physical interfaces
23
24set -e
25tmp=$(mktemp -q dump.XXXXXX)
26cleanup() {
27	ip link del fab-br0 >/dev/null 2>&1 || :
28	ip link del fbond  >/dev/null 2>&1 || :
29	ip link del veth1-bond  >/dev/null 2>&1 || :
30	ip link del veth2-bond  >/dev/null 2>&1 || :
31	modprobe -r bonding  >/dev/null 2>&1 || :
32	rm -f -- ${tmp}
33}
34
35trap cleanup 0 1 2
36cleanup
37sleep 1
38
39# create the bridge
40ip link add fab-br0 address 52:54:00:3B:7C:A6 mtu 1500 type bridge \
41	forward_delay 15
42
43# create the bond
44ip link add fbond type bond mode 4 miimon 200 xmit_hash_policy 1 \
45	ad_actor_sys_prio 65535 lacp_rate fast
46
47# set bond address
48ip link set fbond address 52:54:00:3B:7C:A6
49ip link set fbond up
50
51# set again bond sysfs parameters
52ip link set fbond type bond ad_actor_sys_prio 65535
53
54# create veths
55ip link add name veth1-bond type veth peer name veth1-end
56ip link add name veth2-bond type veth peer name veth2-end
57
58# add ports
59ip link set fbond master fab-br0
60ip link set veth1-bond master fbond
61ip link set veth2-bond master fbond
62
63# bring up
64ip link set veth1-end up
65ip link set veth2-end up
66ip link set fab-br0 up
67ip link set fbond up
68ip addr add dev fab-br0 10.0.0.3
69
70tcpdump -n -i veth1-end -e ether proto 0x8809 >${tmp} 2>&1 &
71sleep 15
72pkill tcpdump >/dev/null 2>&1
73rc=0
74num=$(grep "packets captured" ${tmp} | awk '{print $1}')
75if test "$num" -gt 0; then
76	echo "PASS, captured ${num}"
77else
78	echo "FAIL"
79	rc=1
80fi
81exit $rc
82