linux/tools/testing/selftests/drivers/net/bonding/mode-2-recovery-updelay.sh

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0

# Regression Test:
#  When the bond is configured with down/updelay and the link state of
#  slave members flaps if there are no remaining members up the bond
#  should immediately select a member to bring up. (from bonding.txt
#  section 13.1 paragraph 4)
#
#  +-------------+       +-----------+
#  | client      |       | switch    |
#  |             |       |           |
#  |    +--------| link1 |-----+     |
#  |    |        +-------+     |     |
#  |    |        |       |     |     |
#  |    |        +-------+     |     |
#  |    | bond   | link2 | Br0 |     |
#  +-------------+       +-----------+
#     172.20.2.1           172.20.2.2


REQUIRE_MZ=no
REQUIRE_JQ=no
NUM_NETIFS=0
lib_dir=$(dirname "$0")
source "$lib_dir"/../../../net/forwarding/lib.sh
source "$lib_dir"/lag_lib.sh

cleanup()
{
	lag_cleanup
}

trap cleanup 0 1 2

lag_setup_network
test_bond_recovery mode 2 miimon 100 updelay 0
test_bond_recovery mode 2 miimon 100 updelay 200
test_bond_recovery mode 2 miimon 100 updelay 500
test_bond_recovery mode 2 miimon 100 updelay 1000
test_bond_recovery mode 2 miimon 100 updelay 2000
test_bond_recovery mode 2 miimon 100 updelay 5000
test_bond_recovery mode 2 miimon 100 updelay 10000

exit "$EXIT_STATUS"