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mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-27 22:53:55 +08:00

selftests: bonding: up/down delay w/ slave link flapping

Verify when a bond is configured with {up,down}delay 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)

Suggested-by: Liang Li <liali@redhat.com>
Signed-off-by: Jonathan Toppins <jtoppins@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jonathan Toppins 2022-11-22 15:25:04 -05:00 committed by Jakub Kicinski
parent 64a8f8f712
commit d43eff0b85
5 changed files with 200 additions and 2 deletions

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@ -5,7 +5,9 @@ TEST_PROGS := \
bond-arp-interval-causes-panic.sh \
bond-break-lacpdu-tx.sh \
bond-lladdr-target.sh \
dev_addr_lists.sh
dev_addr_lists.sh \
mode-1-recovery-updelay.sh \
mode-2-recovery-updelay.sh
TEST_FILES := \
lag_lib.sh \

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@ -1,6 +1,8 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
NAMESPACES=""
# Test that a link aggregation device (bonding, team) removes the hardware
# addresses that it adds on its underlying devices.
test_LAG_cleanup()
@ -59,3 +61,107 @@ test_LAG_cleanup()
log_test "$driver cleanup mode $mode"
}
# Build a generic 2 node net namespace with 2 connections
# between the namespaces
#
# +-----------+ +-----------+
# | node1 | | node2 |
# | | | |
# | | | |
# | eth0 +-------+ eth0 |
# | | | |
# | eth1 +-------+ eth1 |
# | | | |
# +-----------+ +-----------+
lag_setup2x2()
{
local state=${1:-down}
local namespaces="lag_node1 lag_node2"
# create namespaces
for n in ${namespaces}; do
ip netns add ${n}
done
# wire up namespaces
ip link add name lag1 type veth peer name lag1-end
ip link set dev lag1 netns lag_node1 $state name eth0
ip link set dev lag1-end netns lag_node2 $state name eth0
ip link add name lag1 type veth peer name lag1-end
ip link set dev lag1 netns lag_node1 $state name eth1
ip link set dev lag1-end netns lag_node2 $state name eth1
NAMESPACES="${namespaces}"
}
# cleanup all lag related namespaces and remove the bonding module
lag_cleanup()
{
for n in ${NAMESPACES}; do
ip netns delete ${n} >/dev/null 2>&1 || true
done
modprobe -r bonding
}
SWITCH="lag_node1"
CLIENT="lag_node2"
CLIENTIP="172.20.2.1"
SWITCHIP="172.20.2.2"
lag_setup_network()
{
lag_setup2x2 "down"
# create switch
ip netns exec ${SWITCH} ip link add br0 up type bridge
ip netns exec ${SWITCH} ip link set eth0 master br0 up
ip netns exec ${SWITCH} ip link set eth1 master br0 up
ip netns exec ${SWITCH} ip addr add ${SWITCHIP}/24 dev br0
}
lag_reset_network()
{
ip netns exec ${CLIENT} ip link del bond0
ip netns exec ${SWITCH} ip link set eth0 up
ip netns exec ${SWITCH} ip link set eth1 up
}
create_bond()
{
# create client
ip netns exec ${CLIENT} ip link set eth0 down
ip netns exec ${CLIENT} ip link set eth1 down
ip netns exec ${CLIENT} ip link add bond0 type bond $@
ip netns exec ${CLIENT} ip link set eth0 master bond0
ip netns exec ${CLIENT} ip link set eth1 master bond0
ip netns exec ${CLIENT} ip link set bond0 up
ip netns exec ${CLIENT} ip addr add ${CLIENTIP}/24 dev bond0
}
test_bond_recovery()
{
RET=0
create_bond $@
# verify connectivity
ip netns exec ${CLIENT} ping ${SWITCHIP} -c 2 >/dev/null 2>&1
check_err $? "No connectivity"
# force the links of the bond down
ip netns exec ${SWITCH} ip link set eth0 down
sleep 2
ip netns exec ${SWITCH} ip link set eth0 up
ip netns exec ${SWITCH} ip link set eth1 down
# re-verify connectivity
ip netns exec ${CLIENT} ping ${SWITCHIP} -c 2 >/dev/null 2>&1
local rc=$?
check_err $rc "Bond failed to recover"
log_test "$1 ($2) bond recovery"
lag_reset_network
}

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@ -0,0 +1,45 @@
#!/bin/sh
# 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 "$lib_dir"/lag_lib.sh
cleanup()
{
lag_cleanup
}
trap cleanup 0 1 2
lag_setup_network
test_bond_recovery mode 1 miimon 100 updelay 0
test_bond_recovery mode 1 miimon 100 updelay 200
test_bond_recovery mode 1 miimon 100 updelay 500
test_bond_recovery mode 1 miimon 100 updelay 1000
test_bond_recovery mode 1 miimon 100 updelay 2000
test_bond_recovery mode 1 miimon 100 updelay 5000
test_bond_recovery mode 1 miimon 100 updelay 10000
exit "$EXIT_STATUS"

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@ -0,0 +1,45 @@
#!/bin/sh
# 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"

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@ -1 +1 @@
timeout=60
timeout=120