Commit 152e8ec7 authored by Hangbin Liu's avatar Hangbin Liu Committed by Jakub Kicinski
Browse files

selftests/bonding: add a test for bonding lladdr target 



This is a regression test for commit 592335a4 ("bonding: accept
unsolicited NA message") and commit b7f14132 ("bonding: use unspecified
address if no available link local address"). When the bond interface
up and no available link local address, unspecified address(::) is used to
send the NS message. The unsolicited NA message should also be accepted
for validation.

Signed-off-by: default avatarHangbin Liu <liuhangbin@gmail.com>
Acked-by: default avatarJonathan Toppins <jtoppins@redhat.com>
Link: https://lore.kernel.org/r/20220920033047.173244-1-liuhangbin@gmail.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 4633b391

tools/testing/selftests/drivers/net/bonding/Makefile

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@@ -2,5 +2,6 @@ 
# Makefile for net selftests



TEST_PROGS := bond-break-lacpdu-tx.sh

TEST_PROGS += bond-lladdr-target.sh



include ../../../lib.mk

tools/testing/selftests/drivers/net/bonding/bond-lladdr-target.sh

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#!/bin/bash

# SPDX-License-Identifier: GPL-2.0



# Regression Test:

#   Verify bond interface could up when set IPv6 link local address target.

#

#  +----------------+

#  |      br0       |

#  |       |        |    sw

#  | veth0   veth1  |

#  +---+-------+----+

#      |       |

#  +---+-------+----+

#  | veth0   veth1  |

#  |       |        |    host

#  |     bond0      |

#  +----------------+

#

# We use veths instead of physical interfaces

sw="sw-$(mktemp -u XXXXXX)"

host="ns-$(mktemp -u XXXXXX)"



cleanup()

{

	ip netns del $sw

	ip netns del $host

}



trap cleanup 0 1 2



ip netns add $sw

ip netns add $host



ip -n $host link add veth0 type veth peer name veth0 netns $sw

ip -n $host link add veth1 type veth peer name veth1 netns $sw



ip -n $sw link add br0 type bridge

ip -n $sw link set br0 up

sw_lladdr=$(ip -n $sw addr show br0 | awk '/fe80/{print $2}' | cut -d'/' -f1)

# sleep some time to make sure bridge lladdr pass DAD

sleep 2



ip -n $host link add bond0 type bond mode 1 ns_ip6_target ${sw_lladdr} \

	arp_validate 3 arp_interval 1000

# add a lladdr for bond to make sure there is a route to target

ip -n $host addr add fe80::beef/64 dev bond0

ip -n $host link set bond0 up

ip -n $host link set veth0 master bond0

ip -n $host link set veth1 master bond0



ip -n $sw link set veth0 master br0

ip -n $sw link set veth1 master br0

ip -n $sw link set veth0 up

ip -n $sw link set veth1 up



sleep 5



rc=0

if ip -n $host link show bond0 | grep -q LOWER_UP; then

	echo "PASS"

else

	echo "FAIL"

	rc=1

fi

exit $rc