X-Git-Url: http://git.onelab.eu/?p=sliver-openvswitch.git;a=blobdiff_plain;f=tests%2Fbfd.at;h=f6f55928fdcd57652c4371ef02e72cd4fc35a761;hp=3723d604e5b8a6362d82f4f10c2046693d0fe122;hb=34c88624ad02129a1b477717fe5d3928530dccbe;hpb=5767a79a40599e5e6e70662833b27ffdbdab7e37 diff --git a/tests/bfd.at b/tests/bfd.at index 3723d604e..f6f55928f 100644 --- a/tests/bfd.at +++ b/tests/bfd.at @@ -401,10 +401,9 @@ 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 \ @@ -438,15 +437,8 @@ do 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 @@ -605,6 +597,74 @@ BFD_CHECK_RX([p0], [1000ms], [1000ms], [300ms]) 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. @@ -683,6 +743,7 @@ 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]) +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]) @@ -699,9 +760,9 @@ BFD_CHECK([p0], [true], [false], [none], [down], [Control Detection Time Expired # 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"]) @@ -712,21 +773,15 @@ do 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