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# Test vetoing of FDB entries that mlxsw can not offload. This exercises several
5# different veto vectors to test various rollback scenarios in the vxlan driver.
6
7lib_dir=$(dirname $0)/../../../net/forwarding
8
9ALL_TESTS="
10 fdb_create_veto_test
11 fdb_replace_veto_test
12 fdb_append_veto_test
13 fdb_changelink_veto_test
14"
15NUM_NETIFS=2
16source $lib_dir/lib.sh
17
18setup_prepare()
19{
20 swp1=${NETIFS[p1]}
21 swp2=${NETIFS[p2]}
22
23 ip link add dev br0 type bridge mcast_snooping 0
24
25 ip link set dev $swp1 up
26 ip link set dev $swp1 master br0
27 ip link set dev $swp2 up
28
29 ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \
30 ttl 20 tos inherit local 198.51.100.1 dstport 4789
31 ip link set dev vxlan0 master br0
32}
33
34cleanup()
35{
36 pre_cleanup
37
38 ip link set dev vxlan0 nomaster
39 ip link del dev vxlan0
40
41 ip link set dev $swp2 down
42 ip link set dev $swp1 nomaster
43 ip link set dev $swp1 down
44
45 ip link del dev br0
46}
47
48fdb_create_veto_test()
49{
50 RET=0
51
52 bridge fdb add 01:02:03:04:05:06 dev vxlan0 self static \
53 dst 198.51.100.2 2>/dev/null
54 check_fail $? "multicast MAC not rejected"
55
56 bridge fdb add 01:02:03:04:05:06 dev vxlan0 self static \
57 dst 198.51.100.2 2>&1 >/dev/null | grep -q mlxsw_spectrum
58 check_err $? "multicast MAC rejected without extack"
59
60 log_test "vxlan FDB veto - create"
61}
62
63fdb_replace_veto_test()
64{
65 RET=0
66
67 bridge fdb add 00:01:02:03:04:05 dev vxlan0 self static \
68 dst 198.51.100.2
69 check_err $? "valid FDB rejected"
70
71 bridge fdb replace 00:01:02:03:04:05 dev vxlan0 self static \
72 dst 198.51.100.2 port 1234 2>/dev/null
73 check_fail $? "FDB with an explicit port not rejected"
74
75 bridge fdb replace 00:01:02:03:04:05 dev vxlan0 self static \
76 dst 198.51.100.2 port 1234 2>&1 >/dev/null \
77 | grep -q mlxsw_spectrum
78 check_err $? "FDB with an explicit port rejected without extack"
79
80 log_test "vxlan FDB veto - replace"
81}
82
83fdb_append_veto_test()
84{
85 RET=0
86
87 bridge fdb add 00:00:00:00:00:00 dev vxlan0 self static \
88 dst 198.51.100.2
89 check_err $? "valid FDB rejected"
90
91 bridge fdb append 00:00:00:00:00:00 dev vxlan0 self static \
92 dst 198.51.100.3 port 1234 2>/dev/null
93 check_fail $? "FDB with an explicit port not rejected"
94
95 bridge fdb append 00:00:00:00:00:00 dev vxlan0 self static \
96 dst 198.51.100.3 port 1234 2>&1 >/dev/null \
97 | grep -q mlxsw_spectrum
98 check_err $? "FDB with an explicit port rejected without extack"
99
100 log_test "vxlan FDB veto - append"
101}
102
103fdb_changelink_veto_test()
104{
105 RET=0
106
107 ip link set dev vxlan0 type vxlan \
108 group 224.0.0.1 dev lo 2>/dev/null
109 check_fail $? "FDB with a multicast IP not rejected"
110
111 ip link set dev vxlan0 type vxlan \
112 group 224.0.0.1 dev lo 2>&1 >/dev/null \
113 | grep -q mlxsw_spectrum
114 check_err $? "FDB with a multicast IP rejected without extack"
115
116 log_test "vxlan FDB veto - changelink"
117}
118
119trap cleanup EXIT
120
121setup_prepare
122setup_wait
123
124tests_run
125
126exit $EXIT_STATUS