blob: bf9bcd1b5ec04179b54c3edcb86932788eaab6ae (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
NAMESPACES=""
# Test that a link aggregation device (bonding, team) removes the hardware
# addresses that it adds on its underlying devices.
test_LAG_cleanup()
{
local driver=$1
local mode=$2
local ucaddr="02:00:00:12:34:56"
local addr6="fe80::78:9abc/64"
local mcaddr="33:33:ff:78:9a:bc"
local name
ip link add dummy1 type dummy
ip link add dummy2 type dummy
if [ "$driver" = "bonding" ]; then
name="bond1"
ip link add "$name" up type bond mode "$mode"
ip link set dev dummy1 master "$name"
ip link set dev dummy2 master "$name"
elif [ "$driver" = "team" ]; then
name="team0"
teamd -d -c '
{
"device": "'"$name"'",
"runner": {
"name": "'"$mode"'"
},
"ports": {
"dummy1":
{},
"dummy2":
{}
}
}
'
ip link set dev "$name" up
else
check_err 1
log_test test_LAG_cleanup ": unknown driver \"$driver\""
return
fi
# Used to test dev->uc handling
ip link add mv0 link "$name" up address "$ucaddr" type macvlan
# Used to test dev->mc handling
ip address add "$addr6" dev "$name"
# Check that addresses were added as expected
(grep_bridge_fdb "$ucaddr" bridge fdb show dev dummy1 ||
grep_bridge_fdb "$ucaddr" bridge fdb show dev dummy2) >/dev/null
check_err $? "macvlan unicast address not found on a slave"
# mcaddr is added asynchronously by addrconf_dad_work(), use busywait
(busywait 10000 grep_bridge_fdb "$mcaddr" bridge fdb show dev dummy1 ||
grep_bridge_fdb "$mcaddr" bridge fdb show dev dummy2) >/dev/null
check_err $? "IPv6 solicited-node multicast mac address not found on a slave"
ip link set dev "$name" down
ip link del "$name"
not grep_bridge_fdb "$ucaddr" bridge fdb show >/dev/null
check_err $? "macvlan unicast address still present on a slave"
not grep_bridge_fdb "$mcaddr" bridge fdb show >/dev/null
check_err $? "IPv6 solicited-node multicast mac address still present on a slave"
cleanup
log_test "$driver cleanup mode $mode"
}
# Build a generic 2 node net namespace with 2 connections
# between the namespaces
#
# +-----------+ +-----------+
# | node1 | | node2 |
# | | | |
# | | | |
# | eth0 +-------+ eth0 |
# | | | |
# | eth1 +-------+ eth1 |
# | | | |
# +-----------+ +-----------+
lag_setup2x2()
{
local state=${1:-down}
local namespaces="lag_node1 lag_node2"
# create namespaces
for n in ${namespaces}; do
ip netns add ${n}
done
# wire up namespaces
ip link add name lag1 type veth peer name lag1-end
ip link set dev lag1 netns lag_node1 $state name eth0
ip link set dev lag1-end netns lag_node2 $state name eth0
ip link add name lag1 type veth peer name lag1-end
ip link set dev lag1 netns lag_node1 $state name eth1
ip link set dev lag1-end netns lag_node2 $state name eth1
NAMESPACES="${namespaces}"
}
# cleanup all lag related namespaces
lag_cleanup()
{
for n in ${NAMESPACES}; do
ip netns delete ${n} >/dev/null 2>&1 || true
done
}
SWITCH="lag_node1"
CLIENT="lag_node2"
CLIENTIP="172.20.2.1"
SWITCHIP="172.20.2.2"
lag_setup_network()
{
lag_setup2x2 "down"
# create switch
ip netns exec ${SWITCH} ip link add br0 up type bridge
ip netns exec ${SWITCH} ip link set eth0 master br0 up
ip netns exec ${SWITCH} ip link set eth1 master br0 up
ip netns exec ${SWITCH} ip addr add ${SWITCHIP}/24 dev br0
}
lag_reset_network()
{
ip netns exec ${CLIENT} ip link del bond0
ip netns exec ${SWITCH} ip link set eth0 up
ip netns exec ${SWITCH} ip link set eth1 up
}
create_bond()
{
# create client
ip netns exec ${CLIENT} ip link set eth0 down
ip netns exec ${CLIENT} ip link set eth1 down
ip netns exec ${CLIENT} ip link add bond0 type bond $@
ip netns exec ${CLIENT} ip link set eth0 master bond0
ip netns exec ${CLIENT} ip link set eth1 master bond0
ip netns exec ${CLIENT} ip link set bond0 up
ip netns exec ${CLIENT} ip addr add ${CLIENTIP}/24 dev bond0
}
test_bond_recovery()
{
RET=0
create_bond $@
# verify connectivity
slowwait 2 ip netns exec ${CLIENT} ping ${SWITCHIP} -c 2 -W 0.1 &> /dev/null
check_err $? "No connectivity"
# force the links of the bond down
ip netns exec ${SWITCH} ip link set eth0 down
sleep 2
ip netns exec ${SWITCH} ip link set eth0 up
ip netns exec ${SWITCH} ip link set eth1 down
# re-verify connectivity
slowwait 2 ip netns exec ${CLIENT} ping ${SWITCHIP} -c 2 -W 0.1 &> /dev/null
local rc=$?
check_err $rc "Bond failed to recover"
log_test "$1 ($2) bond recovery"
lag_reset_network
}
|
