set bridge br-sw datapath-type=dummy \
other-config:hwaddr=aa:55:aa:58:00:00 -- \
add-port br-sw p1-sw -- set Interface p1-sw type=patch \
- options:peer=p1 -- \
+ options:peer=p1 ofport_request=2 -- \
add-port br-sw p0-sw -- set Interface p0-sw type=patch \
- options:peer=p0 -- \
+ options:peer=p0 ofport_request=1 -- \
add-port br-bfd1 p1 -- set Interface p1 type=patch \
options:peer=p1-sw bfd:enable=true -- \
add-port br-bfd0 p0 -- set Interface p0 type=patch \
ovs-appctl time/stop
# wait for a while to stablize everything.
-for i in `seq 0 9`; do ovs-appctl time/warp 500; done
+for i in `seq 0 19`; do ovs-appctl time/warp 500; done
BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic])
BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic])
BFD_CHECK_TX([p0], [500ms], [300ms], [500ms])
# Test-1 BFD decay: decay to decay_min_rx
AT_CHECK([ovs-vsctl set interface p0 bfd:decay_min_rx=3000])
-# set the bfd:decay_min_rx of p0 to 3000ms.
-BFD_CHECK_TX([p0], [500ms], [300ms], [500ms])
-BFD_CHECK_RX([p0], [500ms], [300ms], [500ms])
-
# bfd:decay_min_rx is set to 3000ms after the local state of p0 goes up,
-# so for the first 2500ms, there should be no change.
-for i in `seq 0 4`; do ovs-appctl time/warp 500; done
-BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic])
+# so for the first 2000ms, there should be no change.
+for i in `seq 0 3`; do ovs-appctl time/warp 500; done
BFD_CHECK_TX([p0], [500ms], [300ms], [500ms])
BFD_CHECK_RX([p0], [500ms], [300ms], [500ms])
-# advance the clock by 2000ms.
-for i in `seq 0 3`; do ovs-appctl time/warp 500; done
+# advance the clock by 5000ms.
+for i in `seq 0 9`; do ovs-appctl time/warp 500; done
# now, min_rx should decay to 3000ms.
BFD_CHECK_TX([p0], [500ms], [300ms], [500ms])
BFD_CHECK_RX([p0], [3000ms], [3000ms], [500ms])
-# the rx_min of p0 is 3000ms now, and p1 will send next control message
-# 3000ms after decay. so, advance clock by 5000ms to make that happen.
+# advance clock by 5000ms and check the the flags are all 'none'.
for i in `seq 0 9`; do ovs-appctl time/warp 500; done
BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic])
BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic])
# End of Test-1 ###############################################################
-# Test-2 BFD decay: go back to cfg_min_rx when there is traffic
+# Test-2 BFD decay: go back to min_rx when there is traffic
# receive packet at 1/100ms rate for 5000ms.
for i in `seq 0 49`
do
[0], [stdout], [])
done
# after a decay interval (3000ms), the p0 min_rx will go back to
-# cfg_min_rx.
+# min_rx.
BFD_CHECK_TX([p0], [500ms], [300ms], [500ms])
BFD_CHECK_RX([p0], [500ms], [300ms], [500ms])
# End of Test-2 ###############################################################
-# Test-3 BFD decay: go back to cfg_min_rx when decay_min_rx is changed
-# advance the clock by 5000m. p0 shoud decay.
-for i in `seq 0 9`; do ovs-appctl time/warp 500; done
-BFD_CHECK_TX([p0], [500ms], [300ms], [500ms])
-BFD_CHECK_RX([p0], [3000ms], [3000ms], [500ms])
-
-# advance the clock, to make 'flag' go back to none.
-for i in `seq 0 5`; do ovs-appctl time/warp 500; done
+# Test-3 BFD decay: set decay_min_rx to 1000ms.
+# this should firstly reset the min_rx and then re-decay to 1000ms.
+AT_CHECK([ovs-vsctl set Interface p0 bfd:decay_min_rx=1000])
+# advance the clock by 10000ms, decay should have happened.
+for i in `seq 0 19`; do ovs-appctl time/warp 500; done
BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic])
BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic])
-
-# change decay_min_rx to 1000ms.
-# for decay_min_rx < 2000ms, the decay detection time is set to 2000ms.
-# this should reset the min_rx.
-AT_CHECK([ovs-vsctl set Interface p0 bfd:decay_min_rx=1000])
-ovs-appctl time/warp 100
-BFD_CHECK_TX([p0], [500ms], [300ms], [500ms])
-BFD_CHECK_RX([p0], [500ms], [300ms], [500ms])
-
-# for the following 1500ms, there should be no decay,
-# since the decay_detect_time is set to 2000ms.
-for i in `seq 0 2`
-do
- ovs-appctl time/warp 500
- BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic])
- BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic])
- BFD_CHECK_TX([p0], [500ms], [300ms], [500ms])
- BFD_CHECK_RX([p0], [500ms], [300ms], [500ms])
-done
-
-# advance the clock by 2000ms, decay should have happened.
-for i in `seq 0 3`; do ovs-appctl time/warp 500; done
BFD_CHECK_TX([p0], [500ms], [300ms], [500ms])
BFD_CHECK_RX([p0], [1000ms], [1000ms], [500ms])
-# advance the clock, so 'flag' go back to none.
-for i in `seq 0 9`; do ovs-appctl time/warp 500; done
# End of Test-3 ###############################################################
-# Test-4 BFD decay: set min_rx to 800ms.
-# this should firstly reset the min_rx and then re-decay to 1000ms.
-AT_CHECK([ovs-vsctl set Interface p0 bfd:min_rx=800])
-ovs-appctl time/warp 100
-
-# for the following 1600ms, there should be no decay,
-# since the decay detection time is set to 2000ms.
-for i in `seq 0 1`
-do
- ovs-appctl time/warp 800
- BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic])
- BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic])
- BFD_CHECK_TX([p0], [500ms], [300ms], [500ms])
- BFD_CHECK_RX([p0], [800ms], [800ms], [500ms])
-done
-
-# advance the clock by 2000ms, decay should have happened.
-for i in `seq 0 3`; do ovs-appctl time/warp 500; done
-BFD_CHECK_TX([p0], [500ms], [300ms], [500ms])
-BFD_CHECK_RX([p0], [1000ms], [1000ms], [500ms])
-# advance the clock, so 'flag' go back to none.
+# Test-4 BFD decay: set decay_min_rx to 0 to disable bfd decay.
+AT_CHECK([ovs-vsctl set Interface p0 bfd:decay_min_rx=0])
+# advance the clock by 5000ms.
for i in `seq 0 9`; do ovs-appctl time/warp 500; done
-# End of Test-4 ###############################################################
-
-
-# Test-5 BFD decay: set min_rx to 300ms and decay_min_rx to 5000ms together.
-AT_CHECK([ovs-vsctl set Interface p0 bfd:min_rx=300 bfd:decay_min_rx=5000])
-ovs-appctl time/warp 100
-
-# for decay_min_rx > 2000ms, the decay detection time is set to
-# decay_min_rx (5000ms).
-# for the following 4500ms, there should be no decay,
-# since the decay detection time is set to 5000ms.
-for i in `seq 0 8`
-do
- ovs-appctl time/warp 500
- BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic])
- BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic])
- BFD_CHECK_TX([p0], [500ms], [300ms], [500ms])
- BFD_CHECK_RX([p0], [500ms], [300ms], [500ms])
-done
-
-# advance the clock by 2000ms, decay should have happened.
-for i in `seq 0 3`; do ovs-appctl time/warp 500; done
+# min_rx is reset.
BFD_CHECK_TX([p0], [500ms], [300ms], [500ms])
-BFD_CHECK_RX([p0], [5000ms], [5000ms], [500ms])
-# advance the clock, to make 'flag' go back to none.
-for i in `seq 0 9`; do ovs-appctl time/warp 500; done
-# End of Test-5 ###############################################################
-
-
-# Test-6 BFD decay: set decay_min_rx to 0 to disable bfd decay.
-AT_CHECK([ovs-vsctl set Interface p0 bfd:decay_min_rx=0])
-ovs-appctl time/warp 100
+BFD_CHECK_RX([p0], [500ms], [300ms], [500ms])
for i in `seq 0 20`
do
BFD_CHECK_TX([p0], [500ms], [300ms], [500ms])
BFD_CHECK_RX([p0], [500ms], [300ms], [500ms])
done
-# End of Test-6 ################################################################
+# End of Test-4 ################################################################
-# Test-7 BFD decay: rmt_min_tx is greater than decay_min_rx
+# Test-5 BFD decay: rmt_min_tx is greater than decay_min_rx
AT_CHECK([ovs-vsctl set Interface p0 bfd:decay_min_rx=3000 -- set interface p1 bfd:min_tx=5000])
-# there will be poll sequences from both sides. and it is hard to determine the
-# order. so just skip 10000ms and check the RX/TX. at that time, p0 should be in decay already.
+# advance the clock by 10000ms to stable everything.
for i in `seq 0 19`; do ovs-appctl time/warp 500; done
+BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic])
+BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic])
+# p0 rx should show 5000ms even if it is in decay.
BFD_CHECK_TX([p0], [500ms], [300ms], [5000ms])
BFD_CHECK_RX([p0], [5000ms], [3000ms], [500ms])
# then, there should be no change of status,
-for i in `seq 0 9`
+for i in `seq 0 19`
do
ovs-appctl time/warp 500
BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic])
done
# reset the p1's min_tx to 500ms.
AT_CHECK([ovs-vsctl set Interface p1 bfd:min_tx=500])
-ovs-appctl time/warp 100
-
+# advance the clock by 20000ms to stable everything.
# since p0 has been in decay, now the RX will show 3000ms.
+for i in `seq 0 39`; do ovs-appctl time/warp 500; done
BFD_CHECK_TX([p0], [500ms], [300ms], [500ms])
BFD_CHECK_RX([p0], [3000ms], [3000ms], [500ms])
-# End of Test-7 ###############################################################
+# End of Test-5 ###############################################################
-# Test-8 BFD decay: state up->down->up.
+# Test-6 BFD decay: state up->down->up.
# turn bfd off on p1
AT_CHECK([ovs-vsctl set Interface p1 bfd:enable=false])
-# check the state change of bfd on p0. After 15000 ms (> 3 min_rx intervals)
+# advance the clock by 15000ms to stable everything.
for i in `seq 0 14`; do ovs-appctl time/warp 1000; done
BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic])
BFD_CHECK_TX([p0], [1000ms], [1000ms], [0ms])
for i in `seq 0 9`; do ovs-appctl time/warp 500; done
BFD_CHECK_TX([p0], [500ms], [300ms], [500ms])
BFD_CHECK_RX([p0], [3000ms], [3000ms], [500ms])
-# End of Test-8 ################################################################
+# End of Test-6 ################################################################
OVS_VSWITCHD_STOP
AT_CLEANUP
# forwarding_if_rx Test1
# Test1 tests the case when bfd is only enabled on one end of the link.
-# Under this situation, the bfd state should be DOWN and the forwarding
-# flag should be FALSE by default. However, if forwarding_if_rx is
-# enabled, as long as there is packet received, the bfd forwarding flag
-# should be TRUE.
+# Under this situation, the forwarding flag should always be false, even
+# though there is data packet received, since there is no bfd control
+# packet received during the demand_rx_bfd interval.
AT_SETUP([bfd - bfd forwarding_if_rx - bfd on one side])
OVS_VSWITCHD_START([add-br br1 -- set bridge br1 datapath-type=dummy -- \
add-port br1 p1 -- set Interface p1 type=patch \
AT_CHECK([ovs-ofctl packet-out br1 3 2 "90e2ba01475000101856b2e80806000108000604000100101856b2e80202020300000000000002020202"],
[0], [stdout], [])
done
-# the forwarding flag should be true, since there is data received.
-BFD_CHECK([p0], [true], [false], [none], [down], [No Diagnostic], [none], [down], [No Diagnostic])
-
-# reset bfd forwarding_if_rx.
-AT_CHECK([ovs-vsctl set Interface p0 bfd:forwarding_if_rx=false], [0])
-# forwarding flag should turn to false since the STATE is DOWN.
+# the forwarding flag should be false, due to the demand_rx_bfd.
BFD_CHECK([p0], [false], [false], [none], [down], [No Diagnostic], [none], [down], [No Diagnostic])
-BFD_CHECK_TX([p0], [1000ms], [1000ms], [0ms])
-BFD_CHECK_RX([p0], [500ms], [500ms], [1ms])
AT_CHECK([ovs-vsctl del-br br1], [0], [ignore])
AT_CLEANUP
AT_CHECK([ovs-vsctl del-br br1], [0], [ignore])
AT_CLEANUP
+# forwarding_if_rx Test4
+# Test4 is for testing the demand_rx_bfd feature.
+# bfd is enabled on both ends of the link.
+AT_SETUP([bfd - bfd forwarding_if_rx - demand_rx_bfd])
+OVS_VSWITCHD_START([add-br br1 -- set bridge br1 datapath-type=dummy -- \
+ add-port br1 p1 -- set Interface p1 type=patch \
+ options:peer=p0 ofport_request=2 -- \
+ add-port br0 p0 -- set Interface p0 type=patch \
+ options:peer=p1 ofport_request=1 -- \
+ set Interface p0 bfd:enable=true bfd:min_tx=300 bfd:min_rx=300 bfd:forwarding_if_rx=true -- \
+ set Interface p1 bfd:enable=true bfd:min_tx=500 bfd:min_rx=500])
+
+ovs-appctl time/stop
+# advance the clock, to stablize the states.
+for i in `seq 0 19`; do ovs-appctl time/warp 500; done
+BFD_CHECK([p0], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic])
+BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [No Diagnostic])
+BFD_CHECK_TX([p0], [500ms], [300ms], [500ms])
+
+# disable the bfd on p1.
+AT_CHECK([ovs-vsctl set Interface p1 bfd:enable=false], [0])
+
+# advance clock by 4000ms, while receiving packets.
+# the STATE should go DOWN, due to Control Detection Time Expired.
+# but forwarding flag should be still true.
+for i in `seq 0 7`
+do
+ ovs-appctl time/warp 500
+ AT_CHECK([ovs-ofctl packet-out br1 3 2 "90e2ba01475000101856b2e80806000108000604000100101856b2e80202020300000000000002020202"],
+ [0], [stdout], [])
+done
+BFD_CHECK([p0], [true], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic])
+
+# advance clock long enough to trigger the demand_bfd_rx interval
+# (100 * bfd->cfm_min_rx), forwarding flag should go down since there
+# is no bfd control packet received during the demand_rx_bfd.
+for i in `seq 0 120`
+do
+ ovs-appctl time/warp 300
+ AT_CHECK([ovs-ofctl packet-out br1 3 2 "90e2ba01475000101856b2e80806000108000604000100101856b2e80202020300000000000002020202"],
+ [0], [stdout], [])
+done
+BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic])
+
+# now enable the bfd on p1 again.
+AT_CHECK([ovs-vsctl set Interface p1 bfd:enable=true], [0])
+# advance clock by 5000ms. and p1 and p0 should be all up.
+for i in `seq 0 9`; do ovs-appctl time/warp 500; done
+BFD_CHECK([p0], [true], [false], [none], [up], [Control Detection Time Expired], [none], [up], [No Diagnostic])
+BFD_CHECK([p1], [true], [false], [none], [up], [No Diagnostic], [none], [up], [Control Detection Time Expired])
+BFD_CHECK_TX([p0], [500ms], [300ms], [500ms])
+
+# disable the bfd on p1 again.
+AT_CHECK([ovs-vsctl set Interface p1 bfd:enable=false], [0])
+# advance clock long enough to trigger the demand_rx_bfd,
+# forwarding flag should go down since there is no bfd control packet
+# received during the demand_rx_bfd.
+for i in `seq 0 120`
+do
+ ovs-appctl time/warp 300
+ AT_CHECK([ovs-ofctl packet-out br1 3 2 "90e2ba01475000101856b2e80806000108000604000100101856b2e80202020300000000000002020202"],
+ [0], [stdout], [])
+done
+BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic])
+
+AT_CHECK([ovs-vsctl del-br br1], [0], [ignore])
+AT_CLEANUP
+
# test bfd:flap_count.
# This test contains three part:
# part 1. tests the flap_count on normal bfd monitored link.
# Part-3 now turn on forwarding_if_rx.
AT_CHECK([ovs-vsctl set Interface p0 bfd:forwarding_if_rx=true], [0])
+for i in `seq 0 10`; do ovs-appctl time/warp 100; done
# disable the bfd on p1.
AT_CHECK([ovs-vsctl set Interface p1 bfd:enable=false], [0])
# flap_count should remain unchanged.
BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["5"])
-# stop the traffic for 4000ms, the forwarding flag of p0 should turn false.
+# stop the traffic for more than 100 * bfd->cfm_min_rx ms, the forwarding flag of p0 should turn false.
# and there should be the increment of flap_count.
-for i in `seq 0 7`; do ovs-appctl time/warp 500; done
+for i in `seq 0 120`; do ovs-appctl time/warp 100; done
BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic])
BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["6"])
AT_CHECK([ovs-ofctl packet-out br1 3 2 "90e2ba01475000101856b2e80806000108000604000100101856b2e80202020300000000000002020202"],
[0], [stdout], [])
done
-BFD_CHECK([p0], [true], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic])
-# flap_count should be incremented again.
-BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["7"])
-
-# stop the traffic for 4000ms, the forwarding flag of p0 should turn false.
-# and there should be the increment of flap_count.
-for i in `seq 0 7`; do ovs-appctl time/warp 500; done
+# forwarding should be false, since there is still no bfd control packet received.
BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic])
-BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["8"])
+BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["6"])
# turn on the bfd on p1.
AT_CHECK([ovs-vsctl set interface p1 bfd:enable=true])
for i in `seq 0 49`; do ovs-appctl time/warp 100; done
# even though there is no data traffic, since p1 bfd is on again, should increment the flap_count.
-BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["9"])
+BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["7"])
BFD_VSCTL_LIST_IFACE([p1], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["1"])
OVS_VSWITCHD_STOP
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