bond_lacp_prio.sh

  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}"