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
20 REQUIRE_MZ=no
21 NUM_NETIFS=0
22 lib_dir=$(dirname "$0")
23 source "$lib_dir"/../../../net/forwarding/lib.sh
24
25 sw="sw-$(mktemp -u XXXXXX)"
26 host="ns-$(mktemp -u XXXXXX)"
27
28 cleanup()
29 {
30 ip netns del $sw
31 ip netns del $host
32 }
33
34 wait_lladdr_dad()
35 {
36 $@ | grep fe80 | grep -qv tentative
37 }
38
39 wait_bond_up()
40 {
41 $@ | grep -q 'state UP'
42 }
43
44 trap cleanup 0 1 2
45
46 ip netns add $sw
47 ip netns add $host
48
49 ip -n $host link add veth0 type veth peer name veth0 netns $sw
50 ip -n $host link add veth1 type veth peer name veth1 netns $sw
51
52 ip -n $sw link add br0 type bridge
53 ip -n $sw link set br0 up
54 sw_lladdr=$(ip -n $sw addr show br0 | awk '/fe80/{print $2}' | cut -d'/' -f1)
55 # wait some time to make sure bridge lladdr pass DAD
56 slowwait 2 wait_lladdr_dad ip -n $sw addr show br0
57
58 ip -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
61 ip -n $host addr add fe80::beef/64 dev bond0
62 ip -n $host link set bond0 up
63 ip -n $host link set veth0 master bond0
64 ip -n $host link set veth1 master bond0
65
66 ip -n $sw link set veth0 master br0
67 ip -n $sw link set veth1 master br0
68 ip -n $sw link set veth0 up
69 ip -n $sw link set veth1 up
70
71 slowwait 5 wait_bond_up ip -n $host link show bond0
72
73 rc=0
74 if ip -n $host link show bond0 | grep -q LOWER_UP; then
75 echo "PASS"
76 else
77 echo "FAIL"
78 rc=1
79 fi
80 exit $rc
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