tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4# Regression Test:
5# Verify bond interface could up when set IPv6 link local address target.
6#
7# +----------------+
8# | br0 |
9# | | | sw
10# | veth0 veth1 |
11# +---+-------+----+
12# | |
13# +---+-------+----+
14# | veth0 veth1 |
15# | | | host
16# | bond0 |
17# +----------------+
18#
19# We use veths instead of physical interfaces
20REQUIRE_MZ=no
21NUM_NETIFS=0
22lib_dir=$(dirname "$0")
23source "$lib_dir"/../../../net/forwarding/lib.sh
24
25sw="sw-$(mktemp -u XXXXXX)"
26host="ns-$(mktemp -u XXXXXX)"
27
28cleanup()
29{
30 ip netns del $sw
31 ip netns del $host
32}
33
34wait_lladdr_dad()
35{
36 $@ | grep fe80 | grep -qv tentative
37}
38
39wait_bond_up()
40{
41 $@ | grep -q 'state UP'
42}
43
44trap cleanup 0 1 2
45
46ip netns add $sw
47ip netns add $host
48
49ip -n $host link add veth0 type veth peer name veth0 netns $sw
50ip -n $host link add veth1 type veth peer name veth1 netns $sw
51
52ip -n $sw link add br0 type bridge
53ip -n $sw link set br0 up
54sw_lladdr=$(ip -n $sw addr show br0 | awk '/fe80/{print $2}' | cut -d'/' -f1)
55# wait some time to make sure bridge lladdr pass DAD
56slowwait 2 wait_lladdr_dad ip -n $sw addr show br0
57
58ip -n $host link add bond0 type bond mode 1 ns_ip6_target ${sw_lladdr} \
59 arp_validate 3 arp_interval 1000
60# add a lladdr for bond to make sure there is a route to target
61ip -n $host addr add fe80::beef/64 dev bond0
62ip -n $host link set bond0 up
63ip -n $host link set veth0 master bond0
64ip -n $host link set veth1 master bond0
65
66ip -n $sw link set veth0 master br0
67ip -n $sw link set veth1 master br0
68ip -n $sw link set veth0 up
69ip -n $sw link set veth1 up
70
71slowwait 5 wait_bond_up ip -n $host link show bond0
72
73rc=0
74if ip -n $host link show bond0 | grep -q LOWER_UP; then
75 echo "PASS"
76else
77 echo "FAIL"
78 rc=1
79fi
80exit $rc