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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
REQUIRE_MZ=no
NUM_NETIFS=0
lib_dir=$(dirname "$0")
source "$lib_dir"/../../../net/forwarding/lib.sh
sw="sw-$(mktemp -u XXXXXX)"
host="ns-$(mktemp -u XXXXXX)"
cleanup()
{
ip netns del $sw
ip netns del $host
}
wait_lladdr_dad()
{
$@ | grep fe80 | grep -qv tentative
}
wait_bond_up()
{
$@ | grep -q 'state UP'
}
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)
# wait some time to make sure bridge lladdr pass DAD
slowwait 2 wait_lladdr_dad ip -n $sw addr show br0
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
slowwait 5 wait_bond_up ip -n $host link show bond0
rc=0
if ip -n $host link show bond0 | grep -q LOWER_UP; then
echo "PASS"
else
echo "FAIL"
rc=1
fi
exit $rc
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