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Commit | Line | Data |
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015cf297 PR |
1 | AT_BANNER([bfd]) |
2 | ||
3 | m4_define([BFD_CHECK], [ | |
4 | AT_CHECK([ovs-appctl bfd/show $1 | sed -e '/Time:/d' | sed -e '/Discriminator/d' | sed -e '/Interval:/d'],[0], | |
5 | [dnl | |
6 | Forwarding: $2 | |
7 | Detect Multiplier: 3 | |
8 | Concatenated Path Down: $3 | |
9 | ||
10 | Local Flags: $4 | |
11 | Local Session State: $5 | |
12 | Local Diagnostic: $6 | |
13 | ||
14 | Remote Flags: $7 | |
15 | Remote Session State: $8 | |
16 | Remote Diagnostic: $9 | |
17 | ]) | |
18 | ]) | |
19 | ||
20 | m4_define([BFD_CHECK_TX], [ | |
21 | AT_CHECK([ovs-appctl bfd/show $1 | sed -n '/TX Interval/p'],[0], | |
22 | [dnl | |
c1c4e8c7 AW |
23 | TX Interval: Approx $2 |
24 | Local Minimum TX Interval: $3 | |
25 | Remote Minimum TX Interval: $4 | |
015cf297 PR |
26 | ]) |
27 | ]) | |
28 | ||
29 | m4_define([BFD_CHECK_RX], [ | |
30 | AT_CHECK([ovs-appctl bfd/show $1 | sed -n '/RX Interval/p'],[0], | |
31 | [dnl | |
32 | RX Interval: Approx $2 | |
c1c4e8c7 AW |
33 | Local Minimum RX Interval: $3 |
34 | Remote Minimum RX Interval: $4 | |
015cf297 PR |
35 | ]) |
36 | ]) | |
4905e2df AW |
37 | |
38 | m4_define([BFD_VSCTL_LIST_IFACE], [ | |
39 | AT_CHECK([ovs-vsctl list interface $1 | sed -n $2],[0], | |
40 | [dnl | |
41 | $3 | |
42 | ]) | |
43 | ]) | |
44 | ||
015cf297 | 45 | AT_SETUP([bfd - basic config on different bridges]) |
015cf297 PR |
46 | #Create 2 bridges connected by patch ports and enable BFD |
47 | OVS_VSWITCHD_START( | |
48 | [add-br br1 -- \ | |
49 | set bridge br1 datapath-type=dummy \ | |
50 | other-config:hwaddr=aa:55:aa:56:00:00 -- \ | |
51 | add-port br1 p1 -- set Interface p1 type=patch \ | |
52 | options:peer=p0 -- \ | |
53 | add-port br0 p0 -- set Interface p0 type=patch \ | |
54 | options:peer=p1 -- \ | |
55 | set Interface p0 bfd:enable=true -- \ | |
56 | set Interface p1 bfd:enable=true ]) | |
43d66d3b | 57 | ovs-appctl time/stop |
8661af79 | 58 | ovs-appctl time/warp 4100 100 |
015cf297 PR |
59 | |
60 | #Verify that BFD has been enabled on both interfaces. | |
61 | BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) | |
62 | BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) | |
63 | ||
64 | AT_CHECK([ ovs-vsctl set interface p0 bfd:enable=false]) | |
8661af79 | 65 | ovs-appctl time/warp 4100 100 |
015cf297 PR |
66 | BFD_CHECK([p1], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) |
67 | ||
68 | AT_CHECK([ ovs-vsctl set interface p0 bfd:enable=true]) | |
8661af79 | 69 | ovs-appctl time/warp 4100 100 |
015cf297 PR |
70 | BFD_CHECK([p1], [true], [false], [none], [up], [Control Detection Time Expired], [none], [up], [No Diagnostic]) |
71 | BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [Control Detection Time Expired]) | |
72 | ||
73 | ovs-vsctl del-br br0 | |
74 | AT_CHECK([ovs-appctl bfd/show p0], [2],[ignore], [no such bfd object | |
75 | ovs-appctl: ovs-vswitchd: server returned an error | |
76 | ]) | |
77 | ovs-vsctl del-br br1 | |
78 | #Check that the entries are gone. | |
79 | AT_CHECK([ovs-appctl bfd/show p1], [2],[ignore], [no such bfd object | |
80 | ovs-appctl: ovs-vswitchd: server returned an error | |
81 | ]) | |
82 | ||
83 | OVS_VSWITCHD_STOP | |
84 | AT_CLEANUP | |
85 | ||
86 | ||
87 | AT_SETUP([bfd - Verify tunnel down detection]) | |
88 | #Create 3 bridges - br-bfd0, br-bfd1 and br-sw which is midway between the two. br2 is | |
89 | #connected to br-bfd0 and br-bfd1 through patch ports p0-2 and p1-2. Enable BFD on | |
90 | #interfaces in br-bfd0 and br-bfd1. When br-sw is dropping all packets, BFD should detect | |
91 | # that the tunnel is down, and come back up when br-sw is working fine. | |
92 | ||
015cf297 PR |
93 | OVS_VSWITCHD_START( |
94 | [add-br br-bfd0 -- \ | |
95 | set bridge br-bfd0 datapath-type=dummy \ | |
96 | other-config:hwaddr=aa:55:aa:56:00:00 -- \ | |
97 | add-br br-bfd1 -- \ | |
98 | set bridge br-bfd1 datapath-type=dummy \ | |
99 | other-config:hwaddr=aa:55:aa:57:00:00 -- \ | |
100 | add-br br-sw -- \ | |
101 | set bridge br-sw datapath-type=dummy \ | |
102 | other-config:hwaddr=aa:55:aa:58:00:00 -- \ | |
103 | add-port br-sw p1-sw -- set Interface p1-sw type=patch \ | |
125bf01d | 104 | options:peer=p1 ofport_request=2 -- \ |
015cf297 | 105 | add-port br-sw p0-sw -- set Interface p0-sw type=patch \ |
125bf01d | 106 | options:peer=p0 ofport_request=1 -- \ |
015cf297 PR |
107 | add-port br-bfd1 p1 -- set Interface p1 type=patch \ |
108 | options:peer=p1-sw bfd:enable=true -- \ | |
109 | add-port br-bfd0 p0 -- set Interface p0 type=patch \ | |
110 | options:peer=p0-sw bfd:enable=true --]) | |
111 | ||
43d66d3b | 112 | ovs-appctl time/stop |
015cf297 PR |
113 | |
114 | #Create 2 bridges connected by patch ports and enable BFD | |
115 | ||
116 | AT_CHECK([ovs-ofctl add-flow br-sw 'priority=0,actions=NORMAL']) | |
117 | #Verify that BFD is enabled. | |
8661af79 | 118 | ovs-appctl time/warp 4100 100 |
015cf297 PR |
119 | BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) |
120 | BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) | |
121 | ||
122 | #Drop all packets in the br-sw bridge so that the tunnel is down. | |
123 | AT_CHECK([ ovs-ofctl add-flow br-sw 'priority=5,actions=drop' ]) | |
8661af79 | 124 | ovs-appctl time/warp 4100 100 |
015cf297 PR |
125 | BFD_CHECK([p1], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) |
126 | BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) | |
127 | ||
128 | #Delete the added flow | |
129 | AT_CHECK([ovs-ofctl del-flows br-sw], [0]) | |
130 | AT_CHECK([ovs-ofctl add-flow br-sw 'priority=0,actions=NORMAL']) | |
131 | #Verify that BFD is back up again. | |
8661af79 | 132 | ovs-appctl time/warp 4100 100 |
015cf297 PR |
133 | |
134 | BFD_CHECK([p1], [true], [false], [none], [up], [Control Detection Time Expired], [none], [up], [Control Detection Time Expired]) | |
135 | BFD_CHECK([p0], [true], [false], [none], [up], [Control Detection Time Expired], [none], [up], [Control Detection Time Expired]) | |
136 | ||
137 | #Now, Verify one-side tunnel down detection | |
138 | #When br-sw is dropping packets from one end, BFD should detect | |
139 | # that the tunnel is down, and come back up when br-sw is working fine. | |
140 | ||
141 | #Bring down the br-bfd1 - br-sw link. So BFD packets will be sent from p0, | |
142 | # but not received by p1. p0 will receive all BFD packets from p1. | |
143 | ||
144 | AT_CHECK([ ovs-ofctl add-flow br-sw 'in_port=1,priority=5,actions=drop']) | |
8661af79 | 145 | ovs-appctl time/warp 4100 100 |
015cf297 PR |
146 | # Make sure p1 BFD state is down since it received no BFD packets. |
147 | BFD_CHECK([p1], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) | |
8661af79 GS |
148 | ovs-appctl time/warp 4100 100 |
149 | ||
015cf297 PR |
150 | # p0 will be in init state once it receives "down" BFD message from p1. |
151 | BFD_CHECK([p0], [false], [false], [none], [init], [Neighbor Signaled Session Down], [none], [down], [Control Detection Time Expired]) | |
152 | ||
153 | AT_CHECK([ovs-ofctl del-flows br-sw]) | |
154 | AT_CHECK([ovs-ofctl add-flow br-sw 'priority=0,actions=NORMAL']) | |
155 | #Ensure that BFD is back up again. | |
156 | ||
8661af79 | 157 | ovs-appctl time/warp 1100 100 |
015cf297 PR |
158 | #Bring down the br-bfd0 - br-sw link |
159 | AT_CHECK([ ovs-ofctl add-flow br-sw 'in_port=2,priority=5,actions=drop']) | |
8661af79 | 160 | ovs-appctl time/warp 4100 100 |
015cf297 | 161 | BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) |
8661af79 | 162 | ovs-appctl time/warp 4100 100 |
015cf297 PR |
163 | BFD_CHECK([p1], [false], [false], [none], [init], [Neighbor Signaled Session Down], [none], [down], [Control Detection Time Expired]) |
164 | OVS_VSWITCHD_STOP | |
165 | AT_CLEANUP | |
166 | ||
167 | ||
168 | AT_SETUP([bfd - concatenated path down]) | |
169 | #Create 2 bridges connected by patch ports and enable BFD | |
015cf297 | 170 | OVS_VSWITCHD_START() |
43d66d3b | 171 | ovs-appctl time/stop |
015cf297 PR |
172 | AT_CHECK([ ovs-vsctl -- add-br br1 -- \ |
173 | set bridge br1 datapath-type=dummy \ | |
174 | other-config:hwaddr=aa:55:aa:56:00:00 ]) | |
015cf297 PR |
175 | AT_CHECK([ ovs-vsctl -- add-port br1 p1 -- set Interface p1 type=patch \ |
176 | options:peer=p0 ]) | |
177 | AT_CHECK([ ovs-vsctl -- add-port br0 p0 -- set Interface p0 type=patch \ | |
178 | options:peer=p1 ]) | |
179 | AT_CHECK([ ovs-vsctl -- set interface p0 bfd:enable=true ]) | |
180 | AT_CHECK([ ovs-vsctl -- set interface p1 bfd:enable=true ]) | |
8661af79 | 181 | ovs-appctl time/warp 4100 100 |
015cf297 PR |
182 | |
183 | #Verify that BFD has been enabled on both interfaces. | |
184 | BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) | |
185 | BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) | |
186 | ||
187 | #Set cpath_down to true on one interface, make sure the remote interface updates its values. | |
188 | AT_CHECK([ovs-vsctl set interface p0 bfd:cpath_down=true]) | |
8661af79 | 189 | ovs-appctl time/warp 4100 100 |
015cf297 PR |
190 | BFD_CHECK([p1], [false], [false], [none], [up], [No Diagnostic], [none], [up], [Concatenated Path Down]) |
191 | OVS_VSWITCHD_STOP | |
192 | AT_CLEANUP | |
193 | ||
194 | ||
195 | AT_SETUP([bfd - Edit the Min Tx/Rx values]) | |
196 | #Create 2 bridges connected by patch ports and enable BFD | |
015cf297 | 197 | OVS_VSWITCHD_START() |
43d66d3b | 198 | ovs-appctl time/stop |
015cf297 PR |
199 | AT_CHECK([ ovs-vsctl -- add-br br1 -- \ |
200 | set bridge br1 datapath-type=dummy ]) | |
201 | AT_CHECK([ ovs-vsctl -- add-port br1 p1 -- set Interface p1 type=patch \ | |
202 | options:peer=p0 ]) | |
203 | AT_CHECK([ ovs-vsctl -- add-port br0 p0 -- set Interface p0 type=patch \ | |
204 | options:peer=p1 ]) | |
205 | AT_CHECK([ ovs-vsctl -- set interface p0 bfd:enable=true ]) | |
206 | AT_CHECK([ ovs-vsctl -- set interface p1 bfd:enable=true ]) | |
8661af79 | 207 | ovs-appctl time/warp 3100 100 |
015cf297 PR |
208 | #Verify that BFD has been enabled on both interfaces. |
209 | BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) | |
210 | BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) | |
211 | #Edit the min Tx value. | |
212 | AT_CHECK([ovs-vsctl set interface p0 bfd:min_tx=200]) | |
8661af79 | 213 | ovs-appctl time/warp 2100 100 |
c1c4e8c7 AW |
214 | BFD_CHECK_TX([p0], [1000ms], [200ms], [100ms]) |
215 | BFD_CHECK_TX([p1], [1000ms], [100ms], [200ms]) | |
015cf297 PR |
216 | |
217 | #Edit the min Rx value. | |
218 | AT_CHECK([ovs-vsctl set interface p1 bfd:min_rx=300]) | |
8661af79 | 219 | ovs-appctl time/warp 2100 100 |
c1c4e8c7 AW |
220 | BFD_CHECK_RX([p1], [300ms], [300ms], [1000ms]) |
221 | BFD_CHECK_RX([p0], [1000ms], [1000ms], [300ms]) | |
015cf297 PR |
222 | |
223 | OVS_VSWITCHD_STOP | |
224 | AT_CLEANUP | |
2d21cf72 AW |
225 | |
226 | AT_SETUP([bfd - check_tnl_key]) | |
227 | OVS_VSWITCHD_START([add-port br0 p1 -- set Interface p1 type=gre \ | |
228 | options:remote_ip=2.2.2.2 options:key=1 ofport_request=1 -- \ | |
229 | set interface p1 bfd:enable=true -- \ | |
230 | set bridge br0 fail-mode=standalone]) | |
231 | ||
232 | # by default check_tnl_key is false. so we should process a bfd packet with tun_id=1. | |
2d18eae8 | 233 | AT_CHECK([ovs-appctl ofproto/trace ovs-dummy 'tunnel(tun_id=0x1,src=2.2.2.2,dst=2.2.2.1,tos=0x0,ttl=64,tp_src=0,tp_dst=0,flags(key)),in_port(1),skb_mark(0/0),eth(src=00:11:22:33:44:55,dst=00:23:20:00:00:01),eth_type(0x0800),ipv4(src=169.254.1.0/0.0.0.0,dst=169.254.1.1/0.0.0.0,proto=17/0xff,tos=0/0,ttl=255/0,frag=no),udp(src=49152/0,dst=3784/0xffff)' -generate], [0], [stdout]) |
2d21cf72 AW |
234 | # check that the packet should be handled as BFD packet. |
235 | AT_CHECK([tail -2 stdout], [0], [dnl | |
236 | This flow is handled by the userspace slow path because it: | |
237 | - Consists of BFD packets. | |
238 | ], []) | |
239 | ||
240 | # turn on the check_tnl_key. | |
241 | AT_CHECK([ovs-vsctl set interface p1 bfd:check_tnl_key=true]) | |
2d18eae8 | 242 | AT_CHECK([ovs-appctl ofproto/trace ovs-dummy 'tunnel(tun_id=0x1,src=2.2.2.2,dst=2.2.2.1,tos=0x0,ttl=64,tp_src=0,tp_dst=0,flags(key)),in_port(1),skb_mark(0/0),eth(src=00:11:22:33:44:55,dst=00:23:20:00:00:01),eth_type(0x0800),ipv4(src=169.254.1.0/0.0.0.0,dst=169.254.1.1/0.0.0.0,proto=17/0xff,tos=0/0,ttl=255/0,frag=no),udp(src=49152/0,dst=3784/0xffff)' -generate], [0], [stdout]) |
2d21cf72 AW |
243 | # check that the packet should be handled as normal packet. |
244 | AT_CHECK([tail -1 stdout], [0],[dnl | |
245 | Datapath actions: 100 | |
246 | ], []) | |
247 | ||
248 | # set the tunnel key to 0. | |
249 | AT_CHECK([ovs-vsctl set interface p1 options:key=0]) | |
2d18eae8 | 250 | AT_CHECK([ovs-appctl ofproto/trace ovs-dummy 'tunnel(tun_id=0x0,src=2.2.2.2,dst=2.2.2.1,tos=0x0,ttl=64,tp_src=0,tp_dst=0,flags(key)),in_port(1),skb_mark(0/0),eth(src=00:11:22:33:44:55,dst=00:23:20:00:00:01),eth_type(0x0800),ipv4(src=169.254.1.0/0.0.0.0,dst=169.254.1.1/0.0.0.0,proto=17/0xff,tos=0/0,ttl=255/0,frag=no),udp(src=49152/0,dst=3784/0xffff)' -generate], [0], [stdout]) |
2d21cf72 AW |
251 | # check that the packet should be handled as BFD packet. |
252 | AT_CHECK([tail -2 stdout], [0], [dnl | |
253 | This flow is handled by the userspace slow path because it: | |
254 | - Consists of BFD packets. | |
255 | ], []) | |
256 | ||
257 | OVS_VSWITCHD_STOP | |
258 | AT_CLEANUP | |
c1c4e8c7 AW |
259 | |
260 | # Tests below are for bfd decay features. | |
261 | AT_SETUP([bfd - bfd decay]) | |
262 | OVS_VSWITCHD_START([add-br br1 -- set bridge br1 datapath-type=dummy -- \ | |
263 | add-port br1 p1 -- set Interface p1 type=patch \ | |
264 | options:peer=p0 ofport_request=2 -- \ | |
265 | add-port br0 p0 -- set Interface p0 type=patch \ | |
266 | options:peer=p1 ofport_request=1 -- \ | |
3688ce7a | 267 | set Interface p0 bfd:enable=true bfd:min_tx=300 bfd:min_rx=300 -- \ |
c1c4e8c7 AW |
268 | set Interface p1 bfd:enable=true bfd:min_tx=500 bfd:min_rx=500]) |
269 | ||
270 | ovs-appctl time/stop | |
c1c4e8c7 | 271 | |
3688ce7a | 272 | # wait for a while to stablize everything. |
8661af79 | 273 | ovs-appctl time/warp 10000 500 |
3688ce7a AW |
274 | BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) |
275 | BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) | |
276 | BFD_CHECK_TX([p0], [500ms], [300ms], [500ms]) | |
277 | BFD_CHECK_RX([p0], [500ms], [300ms], [500ms]) | |
c1c4e8c7 AW |
278 | |
279 | # Test-1 BFD decay: decay to decay_min_rx | |
3688ce7a | 280 | AT_CHECK([ovs-vsctl set interface p0 bfd:decay_min_rx=3000]) |
c1c4e8c7 | 281 | # bfd:decay_min_rx is set to 3000ms after the local state of p0 goes up, |
27e26e59 | 282 | # so for the first 2000ms, there should be no change. |
8661af79 | 283 | ovs-appctl time/warp 2000 500 |
c1c4e8c7 AW |
284 | BFD_CHECK_TX([p0], [500ms], [300ms], [500ms]) |
285 | BFD_CHECK_RX([p0], [500ms], [300ms], [500ms]) | |
286 | ||
27e26e59 | 287 | # advance the clock by 5000ms. |
8661af79 | 288 | ovs-appctl time/warp 5000 500 |
3688ce7a | 289 | # now, min_rx should decay to 3000ms. |
c1c4e8c7 AW |
290 | BFD_CHECK_TX([p0], [500ms], [300ms], [500ms]) |
291 | BFD_CHECK_RX([p0], [3000ms], [3000ms], [500ms]) | |
292 | ||
27e26e59 | 293 | # advance clock by 5000ms and check the the flags are all 'none'. |
8661af79 | 294 | ovs-appctl time/warp 5000 500 |
c1c4e8c7 | 295 | BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) |
3688ce7a | 296 | BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) |
c1c4e8c7 AW |
297 | BFD_CHECK_TX([p0], [500ms], [300ms], [500ms]) |
298 | BFD_CHECK_RX([p0], [3000ms], [3000ms], [500ms]) | |
299 | # End of Test-1 ############################################################### | |
300 | ||
301 | ||
27e26e59 | 302 | # Test-2 BFD decay: go back to min_rx when there is traffic |
3688ce7a AW |
303 | # receive packet at 1/100ms rate for 5000ms. |
304 | for i in `seq 0 49` | |
c1c4e8c7 AW |
305 | do |
306 | ovs-appctl time/warp 100 | |
307 | AT_CHECK([ovs-ofctl packet-out br1 3 2 "90e2ba01475000101856b2e80806000108000604000100101856b2e80202020300000000000002020202"], | |
308 | [0], [stdout], []) | |
309 | done | |
310 | # after a decay interval (3000ms), the p0 min_rx will go back to | |
27e26e59 | 311 | # min_rx. |
c1c4e8c7 AW |
312 | BFD_CHECK_TX([p0], [500ms], [300ms], [500ms]) |
313 | BFD_CHECK_RX([p0], [500ms], [300ms], [500ms]) | |
314 | # End of Test-2 ############################################################### | |
315 | ||
316 | ||
27e26e59 AW |
317 | # Test-3 BFD decay: set decay_min_rx to 1000ms. |
318 | # this should firstly reset the min_rx and then re-decay to 1000ms. | |
319 | AT_CHECK([ovs-vsctl set Interface p0 bfd:decay_min_rx=1000]) | |
320 | # advance the clock by 10000ms, decay should have happened. | |
8661af79 | 321 | ovs-appctl time/warp 10000 500 |
c1c4e8c7 AW |
322 | BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) |
323 | BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) | |
c1c4e8c7 AW |
324 | BFD_CHECK_TX([p0], [500ms], [300ms], [500ms]) |
325 | BFD_CHECK_RX([p0], [1000ms], [1000ms], [500ms]) | |
c1c4e8c7 AW |
326 | # End of Test-3 ############################################################### |
327 | ||
328 | ||
27e26e59 AW |
329 | # Test-4 BFD decay: set decay_min_rx to 0 to disable bfd decay. |
330 | AT_CHECK([ovs-vsctl set Interface p0 bfd:decay_min_rx=0]) | |
331 | # advance the clock by 5000ms. | |
8661af79 | 332 | ovs-appctl time/warp 10000 500 |
27e26e59 | 333 | # min_rx is reset. |
c1c4e8c7 | 334 | BFD_CHECK_TX([p0], [500ms], [300ms], [500ms]) |
27e26e59 | 335 | BFD_CHECK_RX([p0], [500ms], [300ms], [500ms]) |
881d47a9 | 336 | |
c1c4e8c7 AW |
337 | for i in `seq 0 20` |
338 | do | |
339 | ovs-appctl time/warp 500 | |
340 | BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) | |
341 | BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) | |
342 | BFD_CHECK_TX([p0], [500ms], [300ms], [500ms]) | |
343 | BFD_CHECK_RX([p0], [500ms], [300ms], [500ms]) | |
344 | done | |
27e26e59 | 345 | # End of Test-4 ################################################################ |
c1c4e8c7 AW |
346 | |
347 | ||
27e26e59 | 348 | # Test-5 BFD decay: rmt_min_tx is greater than decay_min_rx |
c1c4e8c7 | 349 | AT_CHECK([ovs-vsctl set Interface p0 bfd:decay_min_rx=3000 -- set interface p1 bfd:min_tx=5000]) |
27e26e59 | 350 | # advance the clock by 10000ms to stable everything. |
8661af79 | 351 | ovs-appctl time/warp 10000 500 |
27e26e59 AW |
352 | BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) |
353 | BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) | |
354 | # p0 rx should show 5000ms even if it is in decay. | |
c1c4e8c7 AW |
355 | BFD_CHECK_TX([p0], [500ms], [300ms], [5000ms]) |
356 | BFD_CHECK_RX([p0], [5000ms], [3000ms], [500ms]) | |
357 | # then, there should be no change of status, | |
27e26e59 | 358 | for i in `seq 0 19` |
c1c4e8c7 AW |
359 | do |
360 | ovs-appctl time/warp 500 | |
361 | BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) | |
362 | BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) | |
363 | BFD_CHECK_TX([p0], [500ms], [300ms], [5000ms]) | |
364 | BFD_CHECK_RX([p0], [5000ms], [3000ms], [500ms]) | |
365 | done | |
366 | # reset the p1's min_tx to 500ms. | |
367 | AT_CHECK([ovs-vsctl set Interface p1 bfd:min_tx=500]) | |
27e26e59 | 368 | # advance the clock by 20000ms to stable everything. |
3688ce7a | 369 | # since p0 has been in decay, now the RX will show 3000ms. |
8661af79 | 370 | ovs-appctl time/warp 20000 500 |
c1c4e8c7 AW |
371 | BFD_CHECK_TX([p0], [500ms], [300ms], [500ms]) |
372 | BFD_CHECK_RX([p0], [3000ms], [3000ms], [500ms]) | |
27e26e59 | 373 | # End of Test-5 ############################################################### |
c1c4e8c7 AW |
374 | |
375 | ||
27e26e59 | 376 | # Test-6 BFD decay: state up->down->up. |
c1c4e8c7 AW |
377 | # turn bfd off on p1 |
378 | AT_CHECK([ovs-vsctl set Interface p1 bfd:enable=false]) | |
379 | ||
27e26e59 | 380 | # advance the clock by 15000ms to stable everything. |
8661af79 | 381 | ovs-appctl time/warp 15000 1000 |
c1c4e8c7 AW |
382 | BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) |
383 | BFD_CHECK_TX([p0], [1000ms], [1000ms], [0ms]) | |
384 | BFD_CHECK_RX([p0], [300ms], [300ms], [1ms]) | |
385 | ||
386 | # resume the bfd on p1. the bfd should not go to decay mode direclty. | |
387 | AT_CHECK([ovs-vsctl set Interface p1 bfd:enable=true]) | |
8661af79 | 388 | ovs-appctl time/warp 1500 500 |
c1c4e8c7 AW |
389 | BFD_CHECK_TX([p0], [500ms], [300ms], [500ms]) |
390 | BFD_CHECK_RX([p0], [500ms], [300ms], [500ms]) | |
391 | ||
3688ce7a | 392 | # since the decay_min_rx is still 3000ms, so after 5000ms, p0 should have decayed. |
8661af79 | 393 | ovs-appctl time/warp 5000 500 |
c1c4e8c7 AW |
394 | BFD_CHECK_TX([p0], [500ms], [300ms], [500ms]) |
395 | BFD_CHECK_RX([p0], [3000ms], [3000ms], [500ms]) | |
27e26e59 | 396 | # End of Test-6 ################################################################ |
c1c4e8c7 AW |
397 | |
398 | OVS_VSWITCHD_STOP | |
01d18a3a AW |
399 | AT_CLEANUP |
400 | ||
401 | # Tests below are for bfd forwarding_if_rx feature. | |
309d9dac AW |
402 | |
403 | # forwarding_if_rx Test1 | |
404 | # Test1 tests the case when bfd is only enabled on one end of the link. | |
34c88624 AW |
405 | # Under this situation, the forwarding flag should always be false, even |
406 | # though there is data packet received, since there is no bfd control | |
407 | # packet received during the demand_rx_bfd interval. | |
309d9dac | 408 | AT_SETUP([bfd - bfd forwarding_if_rx - bfd on one side]) |
01d18a3a AW |
409 | OVS_VSWITCHD_START([add-br br1 -- set bridge br1 datapath-type=dummy -- \ |
410 | add-port br1 p1 -- set Interface p1 type=patch \ | |
411 | options:peer=p0 ofport_request=2 -- \ | |
412 | add-port br0 p0 -- set Interface p0 type=patch \ | |
413 | options:peer=p1 ofport_request=1 -- \ | |
414 | set Interface p0 bfd:enable=true bfd:min_tx=500 bfd:min_rx=500 -- \ | |
415 | add-port br1 p2 -- set Interface p2 type=internal ofport_request=3]) | |
416 | ||
417 | ovs-appctl time/stop | |
418 | # check the inital status. | |
419 | BFD_CHECK([p0], [false], [false], [none], [down], [No Diagnostic], [none], [down], [No Diagnostic]) | |
420 | BFD_CHECK_TX([p0], [1000ms], [1000ms], [0ms]) | |
421 | BFD_CHECK_RX([p0], [500ms], [500ms], [1ms]) | |
422 | ||
423 | # enable forwarding_if_rx. | |
424 | AT_CHECK([ovs-vsctl set Interface p0 bfd:forwarding_if_rx=true], [0]) | |
425 | ||
426 | # there should be no change of forwarding flag, since | |
427 | # there is no traffic. | |
428 | for i in `seq 0 3` | |
429 | do | |
430 | ovs-appctl time/warp 500 | |
431 | BFD_CHECK([p0], [false], [false], [none], [down], [No Diagnostic], [none], [down], [No Diagnostic]) | |
432 | done | |
433 | ||
3688ce7a AW |
434 | # receive packet at 1/100ms rate for 2000ms. |
435 | for i in `seq 0 19` | |
01d18a3a AW |
436 | do |
437 | ovs-appctl time/warp 100 | |
438 | AT_CHECK([ovs-ofctl packet-out br1 3 2 "90e2ba01475000101856b2e80806000108000604000100101856b2e80202020300000000000002020202"], | |
439 | [0], [stdout], []) | |
440 | done | |
34c88624 | 441 | # the forwarding flag should be false, due to the demand_rx_bfd. |
01d18a3a | 442 | BFD_CHECK([p0], [false], [false], [none], [down], [No Diagnostic], [none], [down], [No Diagnostic]) |
01d18a3a AW |
443 | |
444 | AT_CHECK([ovs-vsctl del-br br1], [0], [ignore]) | |
445 | AT_CLEANUP | |
446 | ||
309d9dac AW |
447 | |
448 | # forwarding_if_rx Test2 | |
449 | # Test2 is for testing that the enable of forwarding_if_rx will not | |
450 | # affect the normal bfd communication. bfd is enabled on both ends of | |
451 | # the link. | |
452 | AT_SETUP([bfd - bfd forwarding_if_rx - bfd on both sides]) | |
01d18a3a AW |
453 | OVS_VSWITCHD_START([add-br br1 -- set bridge br1 datapath-type=dummy -- \ |
454 | add-port br1 p1 -- set Interface p1 type=patch \ | |
455 | options:peer=p0 ofport_request=2 -- \ | |
456 | add-port br0 p0 -- set Interface p0 type=patch \ | |
457 | options:peer=p1 ofport_request=1 -- \ | |
458 | set Interface p0 bfd:enable=true bfd:min_tx=500 bfd:min_rx=500 -- \ | |
459 | set Interface p1 bfd:enable=true bfd:min_tx=300 bfd:min_rx=300 -- \ | |
460 | add-port br1 p2 -- set Interface p2 type=internal ofport_request=3]) | |
461 | ||
462 | ovs-appctl time/stop | |
463 | # advance the clock, to stablize the states. | |
8661af79 | 464 | ovs-appctl time/warp 5000 500 |
01d18a3a AW |
465 | |
466 | # enable forwarding_if_rx. | |
467 | AT_CHECK([ovs-vsctl set Interface p0 bfd:forwarding_if_rx=true], [0]) | |
468 | ||
469 | # there should be no change of the forwarding flag, since | |
470 | # the bfd on both ends is already up. | |
471 | for i in `seq 0 5` | |
472 | do | |
473 | ovs-appctl time/warp 500 | |
474 | BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) | |
475 | done | |
476 | ||
477 | # stop the bfd on one side. | |
478 | AT_CHECK([ovs-vsctl set Interface p1 bfd:enable=false], [0]) | |
479 | # for within 1500ms, the detection timer is not out. | |
480 | # there is no change to status. | |
481 | for i in `seq 0 1` | |
482 | do | |
483 | ovs-appctl time/warp 500 | |
484 | BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) | |
3688ce7a | 485 | for i in `seq 0 4` |
01d18a3a AW |
486 | do |
487 | AT_CHECK([ovs-ofctl packet-out br1 3 2 "90e2ba01475000101856b2e80806000108000604000100101856b2e80202020300000000000002020202"], | |
488 | [0], [stdout], []) | |
489 | done | |
490 | done | |
491 | ||
492 | # at 1500ms, the STATE should go DOWN, due to Control Detection Time Expired. | |
493 | # but forwarding flag should be still true. | |
494 | ovs-appctl time/warp 500 | |
495 | BFD_CHECK([p0], [true], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) | |
496 | ||
01d18a3a AW |
497 | # reset bfd forwarding_if_rx. |
498 | AT_CHECK([ovs-vsctl set Interface p0 bfd:forwarding_if_rx=false], [0]) | |
499 | # forwarding flag should turn to false since the STATE is DOWN. | |
500 | BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) | |
01d18a3a AW |
501 | |
502 | # re-enable bfd on the other end. the states should be up. | |
503 | AT_CHECK([ovs-vsctl set Interface p1 bfd:enable=true bfd:min_tx=300 bfd:min_rx=300]) | |
504 | # advance the clock, to stablize the states. | |
8661af79 | 505 | ovs-appctl time/warp 5000 500 |
01d18a3a AW |
506 | BFD_CHECK([p0], [true], [false], [none], [up], [Control Detection Time Expired], [none], [up], [No Diagnostic]) |
507 | BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [Control Detection Time Expired]) | |
508 | BFD_CHECK_TX([p0], [500ms], [500ms], [300ms]) | |
509 | BFD_CHECK_RX([p0], [500ms], [500ms], [300ms]) | |
510 | ||
511 | AT_CHECK([ovs-vsctl del-br br1], [0], [ignore]) | |
512 | AT_CLEANUP | |
513 | ||
309d9dac AW |
514 | # forwarding_if_rx Test3 |
515 | # Test3 is for testing that the enable of forwarding_if_rx will not | |
516 | # affect the bfd decay feature. bfd is enabled on both ends of the link. | |
517 | AT_SETUP([bfd - bfd forwarding_if_rx - with bfd decay]) | |
01d18a3a AW |
518 | OVS_VSWITCHD_START([add-br br1 -- set bridge br1 datapath-type=dummy -- \ |
519 | add-port br1 p1 -- set Interface p1 type=patch \ | |
520 | options:peer=p0 ofport_request=2 -- \ | |
521 | add-port br0 p0 -- set Interface p0 type=patch \ | |
522 | options:peer=p1 ofport_request=1 -- \ | |
523 | set Interface p0 bfd:enable=true bfd:min_tx=300 bfd:min_rx=300 bfd:decay_min_rx=3000 -- \ | |
524 | set Interface p1 bfd:enable=true bfd:min_tx=500 bfd:min_rx=500]) | |
525 | ||
526 | ovs-appctl time/stop | |
527 | # advance the clock, to stablize the states. | |
8661af79 | 528 | ovs-appctl time/warp 10000 500 |
01d18a3a AW |
529 | BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) |
530 | BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) | |
531 | BFD_CHECK_TX([p0], [500ms], [300ms], [500ms]) | |
532 | BFD_CHECK_RX([p0], [3000ms], [3000ms], [500ms]) | |
533 | ||
534 | # enable forwarding_if_rx. | |
535 | AT_CHECK([ovs-vsctl set Interface p0 bfd:forwarding_if_rx=true], [0]) | |
536 | ||
537 | # there should be no change of the forwarding flag, since | |
538 | # the bfd on both ends is already up. | |
539 | for i in `seq 0 9` | |
540 | do | |
541 | ovs-appctl time/warp 500 | |
542 | BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) | |
543 | done | |
544 | ||
3688ce7a | 545 | # reconfigure the decay_min_rx to 1000ms. |
01d18a3a | 546 | AT_CHECK([ovs-vsctl set interface p0 bfd:decay_min_rx=1000]) |
01d18a3a | 547 | |
3688ce7a | 548 | # wait for 5000ms to decay. |
8661af79 | 549 | ovs-appctl time/warp 5000 500 |
309d9dac | 550 | BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) |
01d18a3a AW |
551 | BFD_CHECK_TX([p0], [500ms], [300ms], [500ms]) |
552 | BFD_CHECK_RX([p0], [1000ms], [1000ms], [500ms]) | |
553 | ||
554 | # stop the bfd on one side. | |
555 | AT_CHECK([ovs-vsctl set Interface p1 bfd:enable=false], [0]) | |
3688ce7a AW |
556 | |
557 | # advance clock by 4000ms, while receiving packets. | |
558 | # the STATE should go DOWN, due to Control Detection Time Expired. | |
559 | # but forwarding flag should be still true. | |
560 | for i in `seq 0 7` | |
01d18a3a AW |
561 | do |
562 | ovs-appctl time/warp 500 | |
01d18a3a AW |
563 | AT_CHECK([ovs-ofctl packet-out br1 3 2 "90e2ba01475000101856b2e80806000108000604000100101856b2e80202020300000000000002020202"], |
564 | [0], [stdout], []) | |
565 | done | |
01d18a3a AW |
566 | BFD_CHECK([p0], [true], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) |
567 | ||
568 | # receive packet at 1/100ms rate for 1000ms. | |
569 | for i in `seq 0 9` | |
570 | do | |
571 | AT_CHECK([ovs-ofctl packet-out br1 3 2 "90e2ba01475000101856b2e80806000108000604000100101856b2e80202020300000000000002020202"], | |
572 | [0], [stdout], []) | |
573 | ovs-appctl time/warp 100 | |
574 | # the forwarding flag should always be true during this time. | |
575 | BFD_CHECK([p0], [true], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) | |
576 | done | |
577 | ||
309d9dac | 578 | # stop receiving for 5000ms. |
8661af79 | 579 | ovs-appctl time/warp 5000 100 |
01d18a3a AW |
580 | BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) |
581 | ||
582 | # reset bfd forwarding_if_rx. | |
583 | AT_CHECK([ovs-vsctl set Interface p0 bfd:forwarding_if_rx=false]) | |
01d18a3a | 584 | BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) |
01d18a3a AW |
585 | # re-enable bfd forwarding_if_rx. |
586 | AT_CHECK([ovs-vsctl set Interface p0 bfd:forwarding_if_rx=true]) | |
01d18a3a | 587 | BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) |
01d18a3a AW |
588 | |
589 | # re-enable bfd on the other end. the states should be up. | |
590 | AT_CHECK([ovs-vsctl set Interface p1 bfd:enable=true bfd:min_tx=300 bfd:min_rx=300]) | |
591 | # advance the clock, to stablize the states. | |
8661af79 | 592 | ovs-appctl time/warp 10000 500 |
01d18a3a AW |
593 | BFD_CHECK([p0], [true], [false], [none], [up], [Control Detection Time Expired], [none], [up], [No Diagnostic]) |
594 | BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [Control Detection Time Expired]) | |
595 | BFD_CHECK_TX([p0], [300ms], [300ms], [300ms]) | |
596 | BFD_CHECK_RX([p0], [1000ms], [1000ms], [300ms]) | |
597 | ||
598 | AT_CHECK([ovs-vsctl del-br br1], [0], [ignore]) | |
4905e2df AW |
599 | AT_CLEANUP |
600 | ||
34c88624 AW |
601 | # forwarding_if_rx Test4 |
602 | # Test4 is for testing the demand_rx_bfd feature. | |
603 | # bfd is enabled on both ends of the link. | |
604 | AT_SETUP([bfd - bfd forwarding_if_rx - demand_rx_bfd]) | |
605 | OVS_VSWITCHD_START([add-br br1 -- set bridge br1 datapath-type=dummy -- \ | |
606 | add-port br1 p1 -- set Interface p1 type=patch \ | |
607 | options:peer=p0 ofport_request=2 -- \ | |
608 | add-port br0 p0 -- set Interface p0 type=patch \ | |
609 | options:peer=p1 ofport_request=1 -- \ | |
610 | set Interface p0 bfd:enable=true bfd:min_tx=300 bfd:min_rx=300 bfd:forwarding_if_rx=true -- \ | |
611 | set Interface p1 bfd:enable=true bfd:min_tx=500 bfd:min_rx=500]) | |
612 | ||
613 | ovs-appctl time/stop | |
614 | # advance the clock, to stablize the states. | |
8661af79 | 615 | ovs-appctl time/warp 10000 500 |
34c88624 AW |
616 | BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) |
617 | BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) | |
618 | BFD_CHECK_TX([p0], [500ms], [300ms], [500ms]) | |
619 | ||
620 | # disable the bfd on p1. | |
621 | AT_CHECK([ovs-vsctl set Interface p1 bfd:enable=false], [0]) | |
622 | ||
623 | # advance clock by 4000ms, while receiving packets. | |
624 | # the STATE should go DOWN, due to Control Detection Time Expired. | |
625 | # but forwarding flag should be still true. | |
626 | for i in `seq 0 7` | |
627 | do | |
628 | ovs-appctl time/warp 500 | |
629 | AT_CHECK([ovs-ofctl packet-out br1 3 2 "90e2ba01475000101856b2e80806000108000604000100101856b2e80202020300000000000002020202"], | |
630 | [0], [stdout], []) | |
631 | done | |
632 | BFD_CHECK([p0], [true], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) | |
633 | ||
634 | # advance clock long enough to trigger the demand_bfd_rx interval | |
635 | # (100 * bfd->cfm_min_rx), forwarding flag should go down since there | |
636 | # is no bfd control packet received during the demand_rx_bfd. | |
637 | for i in `seq 0 120` | |
638 | do | |
639 | ovs-appctl time/warp 300 | |
640 | AT_CHECK([ovs-ofctl packet-out br1 3 2 "90e2ba01475000101856b2e80806000108000604000100101856b2e80202020300000000000002020202"], | |
641 | [0], [stdout], []) | |
642 | done | |
643 | BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) | |
644 | ||
645 | # now enable the bfd on p1 again. | |
646 | AT_CHECK([ovs-vsctl set Interface p1 bfd:enable=true], [0]) | |
647 | # advance clock by 5000ms. and p1 and p0 should be all up. | |
8661af79 | 648 | ovs-appctl time/warp 5000 500 |
34c88624 AW |
649 | BFD_CHECK([p0], [true], [false], [none], [up], [Control Detection Time Expired], [none], [up], [No Diagnostic]) |
650 | BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [Control Detection Time Expired]) | |
651 | BFD_CHECK_TX([p0], [500ms], [300ms], [500ms]) | |
652 | ||
653 | # disable the bfd on p1 again. | |
654 | AT_CHECK([ovs-vsctl set Interface p1 bfd:enable=false], [0]) | |
655 | # advance clock long enough to trigger the demand_rx_bfd, | |
656 | # forwarding flag should go down since there is no bfd control packet | |
657 | # received during the demand_rx_bfd. | |
658 | for i in `seq 0 120` | |
659 | do | |
660 | ovs-appctl time/warp 300 | |
661 | AT_CHECK([ovs-ofctl packet-out br1 3 2 "90e2ba01475000101856b2e80806000108000604000100101856b2e80202020300000000000002020202"], | |
662 | [0], [stdout], []) | |
663 | done | |
664 | BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) | |
665 | ||
666 | AT_CHECK([ovs-vsctl del-br br1], [0], [ignore]) | |
667 | AT_CLEANUP | |
668 | ||
4905e2df | 669 | # test bfd:flap_count. |
309d9dac AW |
670 | # This test contains three part: |
671 | # part 1. tests the flap_count on normal bfd monitored link. | |
672 | # part 2. tests the flap_count when forwarding override is used. | |
673 | # part 3. tests the flap_count when forwarding_if_rx is enabled. | |
4905e2df AW |
674 | AT_SETUP([bfd - flap_count]) |
675 | #Create 2 bridges connected by patch ports and enable bfd | |
676 | OVS_VSWITCHD_START([add-br br1 -- \ | |
677 | set bridge br1 datapath-type=dummy \ | |
678 | other-config:hwaddr=aa:55:aa:56:00:00 -- \ | |
679 | add-port br1 p1 -- set Interface p1 type=patch \ | |
680 | options:peer=p0 ofport_request=2 -- \ | |
681 | add-port br0 p0 -- set Interface p0 type=patch \ | |
682 | options:peer=p1 ofport_request=1 -- \ | |
683 | set Interface p0 bfd:enable=true bfd:min_tx=100 bfd:min_rx=100 -- \ | |
684 | set Interface p1 bfd:enable=true bfd:min_tx=100 bfd:min_rx=100]) | |
685 | ||
686 | ovs-appctl time/stop | |
687 | ||
688 | # Part-1 wait for a while to stablize bfd. | |
8661af79 | 689 | ovs-appctl time/warp 10100 100 |
4905e2df AW |
690 | BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) |
691 | BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic]) | |
692 | BFD_CHECK_TX([p0], [100ms], [100ms], [100ms]) | |
693 | BFD_CHECK_RX([p0], [100ms], [100ms], [100ms]) | |
694 | # both p0 and p1 should have flap_count = "1". since down->up. | |
695 | BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["1"]) | |
696 | BFD_VSCTL_LIST_IFACE([p1], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["1"]) | |
697 | ||
698 | # turn bfd on p1 off, should increment the bfd:flap_count on p0. | |
699 | AT_CHECK([ovs-vsctl set interface p1 bfd:enable=false]) | |
8661af79 | 700 | ovs-appctl time/warp 5000 100 |
4905e2df AW |
701 | BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) |
702 | BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["2"]) | |
703 | AT_CHECK([ovs-vsctl list interface p1 | sed -n "s/^.*flap_count=\(.*\), forwarding.*$/\1/p"]) | |
704 | ||
705 | # turn bfd on p1 on again, should increment the bfd:flap_count on p0. | |
706 | # p1 should still have flap_count = "1", since it is reset. | |
707 | AT_CHECK([ovs-vsctl set interface p1 bfd:enable=true]) | |
8661af79 | 708 | ovs-appctl time/warp 5000 100 |
4905e2df AW |
709 | BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["3"]) |
710 | BFD_VSCTL_LIST_IFACE([p1], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["1"]) | |
711 | ||
712 | ||
713 | # Part-2 now turn on the forwarding_override. | |
714 | AT_CHECK([ovs-appctl bfd/set-forwarding p0 true], [0], [dnl | |
715 | OK | |
716 | ]) | |
717 | ||
718 | # turn bfd on p1 off, should not increment the bfd:flap_count on p0, since forwarding_override is on. | |
719 | AT_CHECK([ovs-vsctl set interface p1 bfd:enable=false]) | |
8661af79 | 720 | ovs-appctl time/warp 5000 100 |
4905e2df AW |
721 | BFD_CHECK([p0], [true], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) |
722 | BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["3"]) | |
723 | AT_CHECK([ovs-vsctl list interface p1 | sed -n "s/^.*flap_count=\(.*\), forwarding.*$/\1/p"]) | |
724 | ||
725 | # turn bfd on p1 on again, should not increment the bfd:flap_count on p0, since forwarding override is on. | |
726 | # p1 should still have flap_count = "1", since it is reset. | |
727 | AT_CHECK([ovs-vsctl set interface p1 bfd:enable=true]) | |
8661af79 | 728 | ovs-appctl time/warp 5000 100 |
4905e2df AW |
729 | BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["3"]) |
730 | BFD_VSCTL_LIST_IFACE([p1], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["1"]) | |
731 | ||
732 | # turn the forwarding_override back to normal. | |
733 | AT_CHECK([ovs-appctl bfd/set-forwarding p0 normal], [0], [dnl | |
734 | OK | |
735 | ]) | |
736 | ||
737 | # turn bfd on p1 off and on, should increment the bfd:flap_count on p0. | |
738 | AT_CHECK([ovs-vsctl set interface p1 bfd:enable=false]) | |
8661af79 | 739 | ovs-appctl time/warp 5000 100 |
4905e2df | 740 | AT_CHECK([ovs-vsctl set interface p1 bfd:enable=true]) |
8661af79 | 741 | ovs-appctl time/warp 5000 100 |
4905e2df AW |
742 | BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["5"]) |
743 | BFD_VSCTL_LIST_IFACE([p1], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["1"]) | |
744 | ||
745 | # Part-3 now turn on forwarding_if_rx. | |
746 | AT_CHECK([ovs-vsctl set Interface p0 bfd:forwarding_if_rx=true], [0]) | |
8661af79 | 747 | ovs-appctl time/warp 1100 100 |
4905e2df AW |
748 | # disable the bfd on p1. |
749 | AT_CHECK([ovs-vsctl set Interface p1 bfd:enable=false], [0]) | |
750 | ||
751 | # advance clock by 4000ms, while receiving packets. | |
752 | # the STATE should go DOWN, due to Control Detection Time Expired. | |
753 | # but forwarding flag should be true. | |
754 | for i in `seq 0 39` | |
755 | do | |
756 | ovs-appctl time/warp 100 | |
757 | AT_CHECK([ovs-ofctl packet-out br1 3 2 "90e2ba01475000101856b2e80806000108000604000100101856b2e80202020300000000000002020202"], | |
758 | [0], [stdout], []) | |
759 | done | |
760 | BFD_CHECK([p0], [true], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) | |
761 | # flap_count should remain unchanged. | |
762 | BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["5"]) | |
763 | ||
34c88624 | 764 | # stop the traffic for more than 100 * bfd->cfm_min_rx ms, the forwarding flag of p0 should turn false. |
4905e2df | 765 | # and there should be the increment of flap_count. |
8661af79 | 766 | ovs-appctl time/warp 12100 100 |
4905e2df AW |
767 | BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) |
768 | BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["6"]) | |
769 | ||
770 | # advance clock by 4000ms, and resume the traffic. | |
771 | for i in `seq 0 39` | |
772 | do | |
773 | ovs-appctl time/warp 100 | |
774 | AT_CHECK([ovs-ofctl packet-out br1 3 2 "90e2ba01475000101856b2e80806000108000604000100101856b2e80202020300000000000002020202"], | |
775 | [0], [stdout], []) | |
776 | done | |
34c88624 | 777 | # forwarding should be false, since there is still no bfd control packet received. |
4905e2df | 778 | BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic]) |
34c88624 | 779 | BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["6"]) |
4905e2df AW |
780 | |
781 | # turn on the bfd on p1. | |
782 | AT_CHECK([ovs-vsctl set interface p1 bfd:enable=true]) | |
8661af79 | 783 | ovs-appctl time/warp 5000 100 |
4905e2df | 784 | # even though there is no data traffic, since p1 bfd is on again, should increment the flap_count. |
34c88624 | 785 | BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["7"]) |
4905e2df AW |
786 | BFD_VSCTL_LIST_IFACE([p1], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["1"]) |
787 | ||
788 | OVS_VSWITCHD_STOP | |
8661af79 | 789 | AT_CLEANUP |