Remote Minimum RX Interval: $4
])
])
+
+m4_define([BFD_VSCTL_LIST_IFACE], [
+AT_CHECK([ovs-vsctl list interface $1 | sed -n $2],[0],
+[dnl
+$3
+])
+])
+
AT_SETUP([bfd - basic config on different bridges])
#Create 2 bridges connected by patch ports and enable BFD
OVS_VSWITCHD_START(
AT_CLEANUP
# Tests below are for bfd forwarding_if_rx feature.
-# forwarding_if_rx Test1: bfd is enabled on one end of link.
-AT_SETUP([bfd - bfd forwarding_if_rx 1])
+
+# 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.
+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 \
options:peer=p0 ofport_request=2 -- \
BFD_CHECK([p0], [false], [false], [none], [down], [No Diagnostic], [none], [down], [No Diagnostic])
done
-# receive one packet.
-AT_CHECK([ovs-ofctl packet-out br1 3 2 "90e2ba01475000101856b2e80806000108000604000100101856b2e80202020300000000000002020202"],
- [0], [stdout], [])
-# wait for 1000ms
-for i in `seq 0 14`; do ovs-appctl time/warp 100; done
-# the forwarding flag should turn to true sometime in this 1000ms, since there is data received.
-BFD_CHECK([p0], [true], [false], [none], [down], [No Diagnostic], [none], [down], [No Diagnostic])
-BFD_CHECK_TX([p0], [1000ms], [1000ms], [0ms])
-BFD_CHECK_RX([p0], [500ms], [500ms], [1ms])
-
-# Stop sending packets for 2000ms.
-for i in `seq 0 19`; do ovs-appctl time/warp 100; done
-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])
-
# receive packet at 1/100ms rate for 2000ms.
for i in `seq 0 19`
do
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])
-BFD_CHECK_TX([p0], [1000ms], [1000ms], [0ms])
-BFD_CHECK_RX([p0], [500ms], [500ms], [1ms])
# reset bfd forwarding_if_rx.
AT_CHECK([ovs-vsctl set Interface p0 bfd:forwarding_if_rx=false], [0])
AT_CHECK([ovs-vsctl del-br br1], [0], [ignore])
AT_CLEANUP
-# forwarding_if_rx Test2: bfd is enabled on both ends of link.
-AT_SETUP([bfd - bfd forwarding_if_rx 2])
+
+# forwarding_if_rx Test2
+# Test2 is for testing that the enable of forwarding_if_rx will not
+# affect the normal bfd communication. bfd is enabled on both ends of
+# the link.
+AT_SETUP([bfd - bfd forwarding_if_rx - bfd on both sides])
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 -- \
ovs-appctl time/warp 500
BFD_CHECK([p0], [true], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic])
-# receive packet at 1/100ms rate for 1000ms.
-for i in `seq 0 9`
-do
- AT_CHECK([ovs-ofctl packet-out br1 3 2 "90e2ba01475000101856b2e80806000108000604000100101856b2e80202020300000000000002020202"],
- [0], [stdout], [])
- ovs-appctl time/warp 100
- # the forwarding flag should always be true during this time.
- BFD_CHECK([p0], [true], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic])
-done
-
# 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.
BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic])
-BFD_CHECK_TX([p0], [1000ms], [1000ms], [0ms])
-BFD_CHECK_RX([p0], [500ms], [500ms], [1ms])
# re-enable bfd on the other end. the states should be up.
AT_CHECK([ovs-vsctl set Interface p1 bfd:enable=true bfd:min_tx=300 bfd:min_rx=300])
AT_CHECK([ovs-vsctl del-br br1], [0], [ignore])
AT_CLEANUP
-# forwarding_if_rx Test3: bfd is enabled on both ends of link and decay is enabled.
-AT_SETUP([bfd - bfd forwarding_if_rx 3])
+# forwarding_if_rx Test3
+# Test3 is for testing that the enable of forwarding_if_rx will not
+# affect the bfd decay feature. bfd is enabled on both ends of the link.
+AT_SETUP([bfd - bfd forwarding_if_rx - with bfd decay])
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 -- \
# wait for 5000ms to decay.
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_TX([p0], [500ms], [300ms], [500ms])
BFD_CHECK_RX([p0], [1000ms], [1000ms], [500ms])
BFD_CHECK([p0], [true], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic])
done
-# stop receiving for 3000ms.
-for i in `seq 0 29`; do ovs-appctl time/warp 100; done
+# stop receiving for 5000ms.
+for i in `seq 0 49`; do ovs-appctl time/warp 100; done
BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic])
# reset bfd forwarding_if_rx.
AT_CHECK([ovs-vsctl set Interface p0 bfd:forwarding_if_rx=false])
-# forwarding flag should turn to false since the STATE is DOWN.
BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic])
-BFD_CHECK_TX([p0], [1000ms], [1000ms], [0ms])
-BFD_CHECK_RX([p0], [300ms], [300ms], [1ms])
-
# re-enable bfd forwarding_if_rx.
AT_CHECK([ovs-vsctl set Interface p0 bfd:forwarding_if_rx=true])
-# there should be no change.
BFD_CHECK([p0], [false], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic])
-BFD_CHECK_TX([p0], [1000ms], [1000ms], [0ms])
-BFD_CHECK_RX([p0], [300ms], [300ms], [1ms])
# re-enable bfd on the other end. the states should be up.
AT_CHECK([ovs-vsctl set Interface p1 bfd:enable=true bfd:min_tx=300 bfd:min_rx=300])
BFD_CHECK_RX([p0], [1000ms], [1000ms], [300ms])
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 2. tests the flap_count when forwarding override is used.
+# part 3. tests the flap_count when forwarding_if_rx is enabled.
+AT_SETUP([bfd - flap_count])
+#Create 2 bridges connected by patch ports and enable bfd
+OVS_VSWITCHD_START([add-br br1 -- \
+ set bridge br1 datapath-type=dummy \
+ other-config:hwaddr=aa:55:aa:56:00:00 -- \
+ 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=100 bfd:min_rx=100 -- \
+ set Interface p1 bfd:enable=true bfd:min_tx=100 bfd:min_rx=100])
+
+ovs-appctl time/stop
+
+# Part-1 wait for a while to stablize bfd.
+for i in `seq 0 100`; do ovs-appctl time/warp 100; 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], [100ms], [100ms], [100ms])
+BFD_CHECK_RX([p0], [100ms], [100ms], [100ms])
+# both p0 and p1 should have flap_count = "1". since down->up.
+BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["1"])
+BFD_VSCTL_LIST_IFACE([p1], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["1"])
+
+# turn bfd on p1 off, should increment the bfd:flap_count on p0.
+AT_CHECK([ovs-vsctl set interface p1 bfd:enable=false])
+for i in `seq 0 19`; 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"], ["2"])
+AT_CHECK([ovs-vsctl list interface p1 | sed -n "s/^.*flap_count=\(.*\), forwarding.*$/\1/p"])
+
+# turn bfd on p1 on again, should increment the bfd:flap_count on p0.
+# p1 should still have flap_count = "1", since it is reset.
+AT_CHECK([ovs-vsctl set interface p1 bfd:enable=true])
+for i in `seq 0 19`; do ovs-appctl time/warp 100; done
+BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["3"])
+BFD_VSCTL_LIST_IFACE([p1], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["1"])
+
+
+# Part-2 now turn on the forwarding_override.
+AT_CHECK([ovs-appctl bfd/set-forwarding p0 true], [0], [dnl
+OK
+])
+
+# turn bfd on p1 off, should not increment the bfd:flap_count on p0, since forwarding_override is on.
+AT_CHECK([ovs-vsctl set interface p1 bfd:enable=false])
+for i in `seq 0 19`; do ovs-appctl time/warp 100; done
+BFD_CHECK([p0], [true], [false], [none], [down], [Control Detection Time Expired], [none], [down], [No Diagnostic])
+BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["3"])
+AT_CHECK([ovs-vsctl list interface p1 | sed -n "s/^.*flap_count=\(.*\), forwarding.*$/\1/p"])
+
+# turn bfd on p1 on again, should not increment the bfd:flap_count on p0, since forwarding override is on.
+# p1 should still have flap_count = "1", since it is reset.
+AT_CHECK([ovs-vsctl set interface p1 bfd:enable=true])
+for i in `seq 0 19`; do ovs-appctl time/warp 100; done
+BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["3"])
+BFD_VSCTL_LIST_IFACE([p1], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["1"])
+
+# turn the forwarding_override back to normal.
+AT_CHECK([ovs-appctl bfd/set-forwarding p0 normal], [0], [dnl
+OK
+])
+
+# turn bfd on p1 off and on, should increment the bfd:flap_count on p0.
+AT_CHECK([ovs-vsctl set interface p1 bfd:enable=false])
+for i in `seq 0 19`; do ovs-appctl time/warp 100; done
+AT_CHECK([ovs-vsctl set interface p1 bfd:enable=true])
+for i in `seq 0 19`; do ovs-appctl time/warp 100; done
+BFD_VSCTL_LIST_IFACE([p0], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["5"])
+BFD_VSCTL_LIST_IFACE([p1], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["1"])
+
+# Part-3 now turn on forwarding_if_rx.
+AT_CHECK([ovs-vsctl set Interface p0 bfd:forwarding_if_rx=true], [0])
+# 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 true.
+for i in `seq 0 39`
+do
+ ovs-appctl time/warp 100
+ 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 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.
+# and there should be the increment of flap_count.
+for i in `seq 0 7`; do ovs-appctl time/warp 500; 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"])
+
+# advance clock by 4000ms, and resume the traffic.
+for i in `seq 0 39`
+do
+ ovs-appctl time/warp 100
+ 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
+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"])
+
+# turn on the bfd on p1.
+AT_CHECK([ovs-vsctl set interface p1 bfd:enable=true])
+for i in `seq 0 19`; 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([p1], ["s/^.*flap_count=\(.*\), forwarding.*$/\1/p"], ["1"])
+
+OVS_VSWITCHD_STOP
AT_CLEANUP
\ No newline at end of file
git://git.onelab.eu / sliver-openvswitch.git / blobdiff