xref: /linux/tools/testing/selftests/drivers/net/bonding/bond_lacp_prio.sh (revision ec2e0fb07d789976c601bec19ecced7a501c3705)
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3#
4# Testing if bond lacp per port priority works
5#
6#          Switch (s_ns)          Backup Switch (b_ns)
7#  +-------------------------+ +-------------------------+
8#  |          bond0          | |          bond0          |
9#  |            +            | |            +            |
10#  |      eth0  |  eth1      | |      eth0  |  eth1      |
11#  |        +---+---+        | |        +---+---+        |
12#  |        |       |        | |        |       |        |
13#  +-------------------------+ +-------------------------+
14#           |       |                   |       |
15#  +-----------------------------------------------------+
16#  |        |       |                   |       |        |
17#  |        +-------+---------+---------+-------+        |
18#  |      eth0     eth1       |       eth2     eth3      |
19#  |                          +                          |
20#  |                        bond0                        |
21#  +-----------------------------------------------------+
22#                        Client (c_ns)
23
24lib_dir=$(dirname "$0")
25# shellcheck disable=SC1091
26source "$lib_dir"/../../../net/lib.sh
27
28setup_links()
29{
30	# shellcheck disable=SC2154
31	ip -n "${c_ns}" link add eth0 type veth peer name eth0 netns "${s_ns}"
32	ip -n "${c_ns}" link add eth1 type veth peer name eth1 netns "${s_ns}"
33	# shellcheck disable=SC2154
34	ip -n "${c_ns}" link add eth2 type veth peer name eth0 netns "${b_ns}"
35	ip -n "${c_ns}" link add eth3 type veth peer name eth1 netns "${b_ns}"
36
37	ip -n "${c_ns}" link add bond0 type bond mode 802.3ad miimon 100 \
38		lacp_rate fast ad_select actor_port_prio
39	ip -n "${s_ns}" link add bond0 type bond mode 802.3ad miimon 100 \
40		lacp_rate fast
41	ip -n "${b_ns}" link add bond0 type bond mode 802.3ad miimon 100 \
42		lacp_rate fast
43
44	ip -n "${c_ns}" link set eth0 master bond0
45	ip -n "${c_ns}" link set eth1 master bond0
46	ip -n "${c_ns}" link set eth2 master bond0
47	ip -n "${c_ns}" link set eth3 master bond0
48	ip -n "${s_ns}" link set eth0 master bond0
49	ip -n "${s_ns}" link set eth1 master bond0
50	ip -n "${b_ns}" link set eth0 master bond0
51	ip -n "${b_ns}" link set eth1 master bond0
52
53	ip -n "${c_ns}" link set bond0 up
54	ip -n "${s_ns}" link set bond0 up
55	ip -n "${b_ns}" link set bond0 up
56}
57
58test_port_prio_setting()
59{
60	RET=0
61	ip -n "${c_ns}" link set eth0 type bond_slave actor_port_prio 1000
62	prio=$(cmd_jq "ip -n ${c_ns} -d -j link show eth0" \
63		".[].linkinfo.info_slave_data.actor_port_prio")
64	[ "$prio" -ne 1000 ] && RET=1
65	ip -n "${c_ns}" link set eth2 type bond_slave actor_port_prio 10
66	prio=$(cmd_jq "ip -n ${c_ns} -d -j link show eth2" \
67		".[].linkinfo.info_slave_data.actor_port_prio")
68	[ "$prio" -ne 10 ] && RET=1
69}
70
71test_agg_reselect()
72{
73	local bond_agg_id slave_agg_id
74	local expect_slave="$1"
75	RET=0
76
77	# Trigger link state change to reselect the aggregator
78	ip -n "${c_ns}" link set eth1 down
79	sleep 0.5
80	ip -n "${c_ns}" link set eth1 up
81	sleep 0.5
82
83	bond_agg_id=$(cmd_jq "ip -n ${c_ns} -d -j link show bond0" \
84		".[].linkinfo.info_data.ad_info.aggregator")
85	slave_agg_id=$(cmd_jq "ip -n ${c_ns} -d -j link show $expect_slave" \
86		".[].linkinfo.info_slave_data.ad_aggregator_id")
87	# shellcheck disable=SC2034
88	[ "${bond_agg_id}" -ne "${slave_agg_id}" ] && \
89		RET=1
90}
91
92trap cleanup_all_ns EXIT
93setup_ns c_ns s_ns b_ns
94setup_links
95
96test_port_prio_setting
97log_test "bond 802.3ad" "actor_port_prio setting"
98
99test_agg_reselect eth0
100log_test "bond 802.3ad" "actor_port_prio select"
101
102# Change the actor port prio and re-test
103ip -n "${c_ns}" link set eth0 type bond_slave actor_port_prio 10
104ip -n "${c_ns}" link set eth2 type bond_slave actor_port_prio 1000
105test_agg_reselect eth2
106log_test "bond 802.3ad" "actor_port_prio switch"
107
108exit "${EXIT_STATUS}"
109