Commit c078290a authored by Jonathan Toppins's avatar Jonathan Toppins Committed by Jakub Kicinski

selftests: include bonding tests into the kselftest infra

This creates a test collection in drivers/net/bonding for bonding
specific kernel selftests.

The first test is a reproducer that provisions a bond and given the
specific order in how the ip-link(8) commands are issued the bond never
transmits an LACPDU frame on any of its slaves.
Signed-off-by: default avatarJonathan Toppins <jtoppins@redhat.com>
Acked-by: default avatarJay Vosburgh <jay.vosburgh@canonical.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 0ee7828d
......@@ -3679,6 +3679,7 @@ F: Documentation/networking/bonding.rst
F: drivers/net/bonding/
F: include/net/bond*
F: include/uapi/linux/if_bonding.h
F: tools/testing/selftests/net/bonding/
BOSCH SENSORTEC BMA400 ACCELEROMETER IIO DRIVER
M: Dan Robertson <dan@dlrobertson.com>
......
......@@ -12,6 +12,7 @@ TARGETS += cpu-hotplug
TARGETS += damon
TARGETS += drivers/dma-buf
TARGETS += drivers/s390x/uvdevice
TARGETS += drivers/net/bonding
TARGETS += efivarfs
TARGETS += exec
TARGETS += filesystems
......
# SPDX-License-Identifier: GPL-2.0
# Makefile for net selftests
TEST_PROGS := bond-break-lacpdu-tx.sh
include ../../../lib.mk
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# Regression Test:
# Verify LACPDUs get transmitted after setting the MAC address of
# the bond.
#
# https://bugzilla.redhat.com/show_bug.cgi?id=2020773
#
# +---------+
# | fab-br0 |
# +---------+
# |
# +---------+
# | fbond |
# +---------+
# | |
# +------+ +------+
# |veth1 | |veth2 |
# +------+ +------+
#
# We use veths instead of physical interfaces
set -e
tmp=$(mktemp -q dump.XXXXXX)
cleanup() {
ip link del fab-br0 >/dev/null 2>&1 || :
ip link del fbond >/dev/null 2>&1 || :
ip link del veth1-bond >/dev/null 2>&1 || :
ip link del veth2-bond >/dev/null 2>&1 || :
modprobe -r bonding >/dev/null 2>&1 || :
rm -f -- ${tmp}
}
trap cleanup 0 1 2
cleanup
sleep 1
# create the bridge
ip link add fab-br0 address 52:54:00:3B:7C:A6 mtu 1500 type bridge \
forward_delay 15
# create the bond
ip link add fbond type bond mode 4 miimon 200 xmit_hash_policy 1 \
ad_actor_sys_prio 65535 lacp_rate fast
# set bond address
ip link set fbond address 52:54:00:3B:7C:A6
ip link set fbond up
# set again bond sysfs parameters
ip link set fbond type bond ad_actor_sys_prio 65535
# create veths
ip link add name veth1-bond type veth peer name veth1-end
ip link add name veth2-bond type veth peer name veth2-end
# add ports
ip link set fbond master fab-br0
ip link set veth1-bond down master fbond
ip link set veth2-bond down master fbond
# bring up
ip link set veth1-end up
ip link set veth2-end up
ip link set fab-br0 up
ip link set fbond up
ip addr add dev fab-br0 10.0.0.3
tcpdump -n -i veth1-end -e ether proto 0x8809 >${tmp} 2>&1 &
sleep 15
pkill tcpdump >/dev/null 2>&1
rc=0
num=$(grep "packets captured" ${tmp} | awk '{print $1}')
if test "$num" -gt 0; then
echo "PASS, captured ${num}"
else
echo "FAIL"
rc=1
fi
exit $rc
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment