+AT_SETUP([ofproto - eviction upon table overflow, with fairness (OpenFlow 1.2)])
+OVS_VSWITCHD_START
+# Configure a maximum of 4 flows.
+AT_CHECK(
+ [ovs-vsctl \
+ -- --id=@t0 create Flow_Table name=evict flow-limit=4 \
+ overflow-policy=evict \
+ groups='"NXM_OF_IN_PORT[[]]"' \
+ -- set bridge br0 flow_tables:0=@t0 \
+ | ${PERL} $srcdir/uuidfilt.pl],
+ [0], [<0>
+])
+# Add 4 flows.
+ovs-ofctl -O OpenFlow12 add-flows br0 - <<EOF
+idle_timeout=10 in_port=2 dl_src=00:44:55:66:77:88 actions=drop
+idle_timeout=20 in_port=1 dl_src=00:11:22:33:44:55 actions=drop
+idle_timeout=30 in_port=1 dl_src=00:22:33:44:55:66 actions=drop
+idle_timeout=40 in_port=1 dl_src=00:33:44:55:66:77 actions=drop
+EOF
+AT_CHECK([ovs-ofctl -O OpenFlow12 dump-flows br0 | ofctl_strip | sort], [0], [dnl
+ idle_timeout=10, in_port=2,dl_src=00:44:55:66:77:88 actions=drop
+ idle_timeout=20, in_port=1,dl_src=00:11:22:33:44:55 actions=drop
+ idle_timeout=30, in_port=1,dl_src=00:22:33:44:55:66 actions=drop
+ idle_timeout=40, in_port=1,dl_src=00:33:44:55:66:77 actions=drop
+OFPST_FLOW reply (OF1.2):
+])
+# Adding another flow will cause the one that expires soonest within
+# the largest group (those with in_port=1) to be evicted. In this
+# case this is not the same as the one that expires soonest overall
+# (which is what makes the test interesting):
+AT_CHECK([ovs-ofctl -O OpenFlow12 add-flow br0 in_port=2,dl_src=00:55:66:77:88:99,actions=drop])
+AT_CHECK([ovs-ofctl -O OpenFlow12 dump-flows br0 | ofctl_strip | sort], [0], [dnl
+ idle_timeout=10, in_port=2,dl_src=00:44:55:66:77:88 actions=drop
+ idle_timeout=30, in_port=1,dl_src=00:22:33:44:55:66 actions=drop
+ idle_timeout=40, in_port=1,dl_src=00:33:44:55:66:77 actions=drop
+ in_port=2,dl_src=00:55:66:77:88:99 actions=drop
+OFPST_FLOW reply (OF1.2):
+])
+# Enlarge the flow limit, change the eviction policy back to strictly
+# based on expiration, and and add some flows.
+AT_CHECK([ovs-vsctl set Flow_Table evict groups='[[]]' flow-limit=7])
+ovs-ofctl -O OpenFlow12 add-flows br0 - <<EOF
+idle_timeout=50 in_port=2 dl_src=00:66:77:88:99:aa actions=drop
+idle_timeout=60 in_port=2 dl_src=00:77:88:99:aa:bb actions=drop
+idle_timeout=70 in_port=2 dl_src=00:88:99:aa:bb:cc actions=drop
+EOF
+AT_CHECK([ovs-ofctl -O OpenFlow12 dump-flows br0 | ofctl_strip | sort], [0], [dnl
+ idle_timeout=10, in_port=2,dl_src=00:44:55:66:77:88 actions=drop
+ idle_timeout=30, in_port=1,dl_src=00:22:33:44:55:66 actions=drop
+ idle_timeout=40, in_port=1,dl_src=00:33:44:55:66:77 actions=drop
+ idle_timeout=50, in_port=2,dl_src=00:66:77:88:99:aa actions=drop
+ idle_timeout=60, in_port=2,dl_src=00:77:88:99:aa:bb actions=drop
+ idle_timeout=70, in_port=2,dl_src=00:88:99:aa:bb:cc actions=drop
+ in_port=2,dl_src=00:55:66:77:88:99 actions=drop
+OFPST_FLOW reply (OF1.2):
+])
+# Adding another flow will cause the one that expires soonest overall
+# to be evicted.
+AT_CHECK([ovs-ofctl -O OpenFlow12 add-flow br0 'idle_timeout=80 in_port=2 dl_src=00:99:aa:bb:cc:dd actions=drop'])
+AT_CHECK([ovs-ofctl -O OpenFlow12 dump-flows br0 | ofctl_strip | sort], [0], [dnl
+ idle_timeout=30, in_port=1,dl_src=00:22:33:44:55:66 actions=drop
+ idle_timeout=40, in_port=1,dl_src=00:33:44:55:66:77 actions=drop
+ idle_timeout=50, in_port=2,dl_src=00:66:77:88:99:aa actions=drop
+ idle_timeout=60, in_port=2,dl_src=00:77:88:99:aa:bb actions=drop
+ idle_timeout=70, in_port=2,dl_src=00:88:99:aa:bb:cc actions=drop
+ idle_timeout=80, in_port=2,dl_src=00:99:aa:bb:cc:dd actions=drop
+ in_port=2,dl_src=00:55:66:77:88:99 actions=drop
+OFPST_FLOW reply (OF1.2):
+])
+# Reducing the flow limit also causes the flows that expire soonest
+# overall to be evicted.
+AT_CHECK([ovs-vsctl set Flow_Table evict flow-limit=4])
+AT_CHECK([ovs-ofctl -O OpenFlow12 dump-flows br0 | ofctl_strip | sort], [0], [dnl
+ idle_timeout=60, in_port=2,dl_src=00:77:88:99:aa:bb actions=drop
+ idle_timeout=70, in_port=2,dl_src=00:88:99:aa:bb:cc actions=drop
+ idle_timeout=80, in_port=2,dl_src=00:99:aa:bb:cc:dd actions=drop
+ in_port=2,dl_src=00:55:66:77:88:99 actions=drop
+OFPST_FLOW reply (OF1.2):
+])
+OVS_VSWITCHD_STOP
+AT_CLEANUP
+
+AT_SETUP([ofproto - eviction upon table overflow, with modified hard timeout])
+OVS_VSWITCHD_START
+# Configure a maximum of 4 flows.
+AT_CHECK(
+ [ovs-vsctl \
+ -- --id=@t0 create Flow_Table flow-limit=4 overflow-policy=evict \
+ -- set bridge br0 flow_tables:0=@t0 \
+ | ${PERL} $srcdir/uuidfilt.pl],
+ [0], [<0>
+])
+ovs-appctl time/stop
+# Add 4 flows.
+for in_port in 4 3 2 1; do
+ ovs-ofctl add-flow br0 hard_timeout=$((10 + in_port * 3)),in_port=$in_port,actions=drop
+done
+AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
+ hard_timeout=13, in_port=1 actions=drop
+ hard_timeout=16, in_port=2 actions=drop
+ hard_timeout=19, in_port=3 actions=drop
+ hard_timeout=22, in_port=4 actions=drop
+NXST_FLOW reply:
+])
+# Sleep and modify the one that expires soonest
+ovs-appctl time/warp 5000
+AT_CHECK([ovs-ofctl mod-flows br0 in_port=1,actions=drop])
+# At this point the table would looks like:
+# in_port seconds to expire
+# 1 13
+# 2 11
+# 3 14
+# 4 17
+ovs-appctl time/warp 2000
+# Adding another flow will cause the one that expires soonest to be evicted.
+AT_CHECK([ovs-ofctl add-flow br0 in_port=5,actions=drop])
+AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
+ hard_timeout=13, in_port=1 actions=drop
+ hard_timeout=19, in_port=3 actions=drop
+ hard_timeout=22, in_port=4 actions=drop
+ in_port=5 actions=drop
+NXST_FLOW reply:
+])
+OVS_VSWITCHD_STOP
+AT_CLEANUP
+
+AT_SETUP([ofproto - eviction upon table overflow, with modified idle timeout])
+OVS_VSWITCHD_START([add-port br0 p1 -- set interface p1 type=dummy ofport_request=1])
+# Configure a maximum of 4 flows.
+AT_CHECK(
+ [ovs-vsctl \
+ -- --id=@t0 create Flow_Table flow-limit=4 overflow-policy=evict \
+ -- set bridge br0 flow_tables:0=@t0 \
+ | ${PERL} $srcdir/uuidfilt.pl],
+ [0], [<0>
+])
+# Add 4 flows.
+for in_port in 4 3 2 1; do
+ ovs-ofctl add-flow br0 idle_timeout=$((10 + in_port * 3)),in_port=$in_port,actions=drop
+done
+ovs-appctl time/stop
+AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
+ idle_timeout=13, in_port=1 actions=drop
+ idle_timeout=16, in_port=2 actions=drop
+ idle_timeout=19, in_port=3 actions=drop
+ idle_timeout=22, in_port=4 actions=drop
+NXST_FLOW reply:
+])
+# Sleep and receive on the flow that expires soonest
+ovs-appctl time/warp 5000
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1)'])
+# At this point the table would looks like:
+# in_port seconds to expire
+# 1 13
+# 2 11
+# 3 14
+# 4 17
+ovs-appctl time/warp 2000
+# Adding another flow will cause the one that expires soonest to be evicted.
+AT_CHECK([ovs-ofctl add-flow br0 in_port=5,actions=drop])
+AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
+ idle_timeout=19, in_port=3 actions=drop
+ idle_timeout=22, in_port=4 actions=drop
+ in_port=5 actions=drop
+ n_packets=1, n_bytes=60, idle_timeout=13, in_port=1 actions=drop
+NXST_FLOW reply:
+])
+OVS_VSWITCHD_STOP
+AT_CLEANUP
+
+AT_SETUP([ofproto - asynchronous message control (OpenFlow 1.0)])
+OVS_VSWITCHD_START
+AT_CHECK([ovs-ofctl -P openflow10 monitor br0 --detach --no-chdir --pidfile])
+check_async () {
+ printf '\n\n--- check_async %d ---\n\n\n' $1
+ shift
+
+ ovs-appctl -t ovs-ofctl ofctl/barrier
+ ovs-appctl -t ovs-ofctl ofctl/set-output-file monitor.log
+ : > expout
+
+ # OFPT_PACKET_IN, OFPR_ACTION (controller_id=0)
+ ovs-ofctl -v packet-out br0 controller controller '0001020304050010203040501234'
+ if test X"$1" = X"OFPR_ACTION"; then shift;
+ echo >>expout "OFPT_PACKET_IN: total_len=14 in_port=CONTROLLER (via action) data_len=14 (unbuffered)
+metadata=0,in_port=0,vlan_tci=0x0000,dl_src=00:10:20:30:40:50,dl_dst=00:01:02:03:04:05,dl_type=0x1234"
+ fi
+
+ # OFPT_PACKET_IN, OFPR_NO_MATCH (controller_id=123)
+ ovs-ofctl -v packet-out br0 controller 'controller(reason=no_match,id=123)' '0001020304050010203040501234'
+ if test X"$1" = X"OFPR_NO_MATCH"; then shift;
+ echo >>expout "OFPT_PACKET_IN: total_len=14 in_port=CONTROLLER (via no_match) data_len=14 (unbuffered)
+metadata=0,in_port=0,vlan_tci=0x0000,dl_src=00:10:20:30:40:50,dl_dst=00:01:02:03:04:05,dl_type=0x1234"
+ fi
+
+ # OFPT_PACKET_IN, OFPR_INVALID_TTL (controller_id=0)
+ ovs-ofctl packet-out br0 controller dec_ttl '002583dfb4000026b98cb0f908004500003fb7e200000011339bac11370dac100002d7730035002b8f6d86fb0100000100000000000006626c702d7873066e696369726103636f6d00000f00'
+ if test X"$1" = X"OFPR_INVALID_TTL"; then shift;
+ echo >>expout "OFPT_PACKET_IN: total_len=76 in_port=CONTROLLER (via invalid_ttl) data_len=76 (unbuffered)
+udp,metadata=0,in_port=0,vlan_tci=0x0000,dl_src=00:26:b9:8c:b0:f9,dl_dst=00:25:83:df:b4:00,nw_src=172.17.55.13,nw_dst=172.16.0.2,nw_tos=0,nw_ecn=0,nw_ttl=0,tp_src=55155,tp_dst=53 udp_csum:8f6d"
+ fi
+
+ # OFPT_PORT_STATUS, OFPPR_ADD
+ ovs-vsctl add-port br0 test -- set Interface test type=dummy ofport_request=1
+ if test X"$1" = X"OFPPR_ADD"; then shift;
+ echo >>expout "OFPT_PORT_STATUS: ADD: 1(test): addr:aa:55:aa:55:00:0x
+ config: PORT_DOWN
+ state: LINK_DOWN
+ speed: 0 Mbps now, 0 Mbps max"
+ fi
+
+ # OFPT_PORT_STATUS, OFPPR_DELETE
+ ovs-vsctl del-port br0 test
+ if test X"$1" = X"OFPPR_DELETE"; then shift;
+ echo >>expout "OFPT_PORT_STATUS: DEL: 1(test): addr:aa:55:aa:55:00:0x
+ config: PORT_DOWN
+ state: LINK_DOWN
+ speed: 0 Mbps now, 0 Mbps max"
+ fi
+
+ # OFPT_FLOW_REMOVED, OFPRR_DELETE
+ ovs-ofctl add-flow br0 send_flow_rem,actions=drop
+ ovs-ofctl --strict del-flows br0 ''
+ if test X"$1" = X"OFPRR_DELETE"; then shift;
+ echo >>expout "OFPT_FLOW_REMOVED: reason=delete"
+ fi
+ AT_FAIL_IF([test X"$1" != X])
+
+ ovs-appctl -t ovs-ofctl ofctl/barrier
+ echo >>expout "OFPT_BARRIER_REPLY:"
+
+ AT_CHECK(
+ [[sed '
+s/ (xid=0x[0-9a-fA-F]*)//
+s/ *duration.*//
+s/00:0.$/00:0x/' < monitor.log]],
+ [0], [expout])
+}
+
+# It's a service connection so initially there should be no async messages.
+check_async 1
+
+# Set miss_send_len to 128, turning on packet-ins for our service connection.
+ovs-appctl -t ovs-ofctl ofctl/send 0109000c0123456700000080
+check_async 2 OFPR_ACTION OFPPR_ADD OFPPR_DELETE OFPRR_DELETE
+
+# Set miss_send_len to 128 and enable invalid_ttl.
+ovs-appctl -t ovs-ofctl ofctl/send 0109000c0123456700040080
+check_async 3 OFPR_ACTION OFPR_INVALID_TTL OFPPR_ADD OFPPR_DELETE OFPRR_DELETE
+
+# Become slave, which should disable everything except port status.
+ovs-appctl -t ovs-ofctl ofctl/send 0104001400000002000023200000000a00000002
+check_async 4 OFPPR_ADD OFPPR_DELETE
+
+# Use NXT_SET_ASYNC_CONFIG to enable a patchwork of asynchronous messages.
+ovs-appctl -t ovs-ofctl ofctl/send 01040028000000020000232000000013000000020000000500000005000000020000000200000005
+check_async 5 OFPR_INVALID_TTL OFPPR_DELETE OFPRR_DELETE
+
+# Set controller ID 123.
+ovs-appctl -t ovs-ofctl ofctl/send 01040018000000030000232000000014000000000000007b
+check_async 6 OFPR_NO_MATCH OFPPR_DELETE OFPRR_DELETE
+
+# Restore controller ID 0.
+ovs-appctl -t ovs-ofctl ofctl/send 010400180000000300002320000000140000000000000000
+
+# Become master.
+ovs-appctl -t ovs-ofctl ofctl/send 0104001400000002000023200000000a00000001
+check_async 7 OFPR_ACTION OFPPR_ADD
+
+ovs-appctl -t ovs-ofctl exit
+OVS_VSWITCHD_STOP
+AT_CLEANUP
+
+AT_SETUP([ofproto - asynchronous message control (OpenFlow 1.2)])