AT_SETUP([ofproto - flow table configuration (OpenFlow 1.0)])
OVS_VSWITCHD_START
# Check the default configuration.
-(printf "OFPST_TABLE reply (xid=0x2):"
- x=0
- name=classifier
- while test $x -lt 254; do
- printf "
- table %d (\"%s\"):
+head_table() {
+ printf 'OFPST_TABLE reply (xid=0x2):
+ table 0 ("%s"):
active=0, lookup=0, matched=0
max_entries=1000000
matching:
nw_tos: exact match or wildcard
tcp_src: exact match or wildcard
tcp_dst: exact match or wildcard
-" $x $name
- x=`expr $x + 1`
- name=table$x
- done) > expout
+
+' $1
+}
+ditto() {
+ for i in `seq $1 $2`; do
+ printf ' table %d ("table%d"): ditto\n' $i $i
+ done
+}
+(head_table classifier; ditto 1 253) > expout
AT_CHECK([ovs-ofctl dump-tables br0], [0], [expout])
# Change the configuration.
AT_CHECK(
<1>
])
# Check that the configuration was updated.
-mv expout orig-expout
-sed -e 's/classifier/main/
-21s/1000000/1024/' orig-expout > expout
+(head_table main; echo ' table 1 ("table1"):
+ active=0, lookup=0, matched=0
+ max_entries=1024
+ (same matching)
+
+ table 2 ("table2"):
+ active=0, lookup=0, matched=0
+ max_entries=1000000
+ (same matching)
+'; ditto 3 253) > expout
AT_CHECK([ovs-ofctl dump-tables br0], [0], [expout])
OVS_VSWITCHD_STOP
AT_CLEANUP
AT_CHECK([test `grep '240\.0\.0\.1' stdout | grep -v table_id= | wc -l` -gt 0])
# Check that dump-tables doesn't count the hidden flows.
-(printf "OFPST_TABLE reply (xid=0x2):"
- x=0
- name=classifier
- while test $x -lt 254; do
- printf "
- table %d (\"%s\"):
+head_table() {
+ printf 'OFPST_TABLE reply (xid=0x2):
+ table 0 ("%s"):
active=0, lookup=0, matched=0
max_entries=1000000
matching:
nw_tos: exact match or wildcard
tcp_src: exact match or wildcard
tcp_dst: exact match or wildcard
-" $x $name
- x=`expr $x + 1`
- name=table$x
- done) > expout
+
+' $1
+}
+ditto() {
+ for i in `seq $1 $2`; do
+ printf ' table %d ("table%d"): ditto\n' $i $i
+ done
+}
+(head_table classifier; ditto 1 253) > expout
AT_CHECK([ovs-ofctl dump-tables br0], [0], [expout])
OVS_VSWITCHD_STOP(["/cannot find route for controller/d"])
AT_CLEANUP
AT_SETUP([ofproto - flow table configuration (OpenFlow 1.2)])
OVS_VSWITCHD_START
# Check the default configuration.
-(printf "OFPST_TABLE reply (OF1.2) (xid=0x2):"
- x=0
- name=classifier
- while test $x -lt 254; do
- if test $x = 253; then
- goto=
- else
- goto=,goto_table
- fi
- echo "
- table $x (\"$name\"):
+head_table() {
+ printf 'OFPST_TABLE reply (OF1.2) (xid=0x2):
+ table 0 ("%s"):
active=0, lookup=0, matched=0
metadata: match=0xffffffffffffffff write=0xffffffffffffffff
config=controller
max_entries=1000000
instructions (table miss and others):
- instructions: apply_actions,clear_actions,write_actions,write_metadata$goto
+ instructions: apply_actions,clear_actions,write_actions,write_metadata,goto_table
Write-Actions and Apply-Actions features:
actions: output group set_field strip_vlan push_vlan mod_nw_ttl dec_ttl set_mpls_ttl dec_mpls_ttl push_mpls pop_mpls set_queue
supported on Set-Field: metadata in_port_oxm eth_src eth_dst vlan_vid vlan_pcp mpls_label mpls_tc ip_src ip_dst ipv6_src ipv6_dst ipv6_label ip_dscp nw_ecn arp_op arp_spa arp_tpa arp_sha arp_tha tcp_src tcp_dst udp_src udp_dst sctp_src sctp_dst nd_target nd_sll nd_tll
icmpv6_code: exact match or wildcard
nd_target: exact match or wildcard
nd_sll: exact match or wildcard
- nd_tll: exact match or wildcard"
- x=`expr $x + 1`
- name=table$x
- done) > expout
+ nd_tll: exact match or wildcard
+
+' $1
+}
+ditto() {
+ for i in `seq $1 $2`; do
+ printf ' table %d ("table%d"): ditto\n' $i $i
+ done
+}
+tail_table() {
+ printf ' table 253 ("table253"):
+ active=0, lookup=0, matched=0
+ metadata: match=0xffffffffffffffff write=0xffffffffffffffff
+ config=controller
+ max_entries=1000000
+ instructions (table miss and others):
+ instructions: apply_actions,clear_actions,write_actions,write_metadata
+ (same actions)
+ (same matching)
+'
+}
+(head_table classifier; ditto 1 252; tail_table) > expout
AT_CHECK([ovs-ofctl -O OpenFlow12 dump-tables br0], [0], [expout])
# Change the configuration.
AT_CHECK(
<1>
])
# Check that the configuration was updated.
-mv expout orig-expout
-sed 's/classifier/main/
-53s/1000000/1024/' < orig-expout > expout
+(head_table main; echo ' table 1 ("table1"):
+ active=0, lookup=0, matched=0
+ metadata: match=0xffffffffffffffff write=0xffffffffffffffff
+ config=controller
+ max_entries=1024
+ (same instructions)
+ (same matching)
+
+ table 2 ("table2"):
+ active=0, lookup=0, matched=0
+ metadata: match=0xffffffffffffffff write=0xffffffffffffffff
+ config=controller
+ max_entries=1000000
+ (same instructions)
+ (same matching)
+'; ditto 3 252; tail_table) > expout
AT_CHECK([ovs-ofctl -O OpenFlow12 dump-tables br0], [0], [expout])
OVS_VSWITCHD_STOP
AT_CLEANUP
AT_SETUP([ofproto - table features (OpenFlow 1.3)])
OVS_VSWITCHD_START
-(x=0
- name=classifier
- while test $x -lt 254; do
- y=`expr $x + 1`
- if test $x = 253; then
- next=
- goto=
- else
- goto=,goto_table
- if test $x = 252; then
- next='
- next tables: 253'
- else
- next="
- next tables: $y-253"
- fi
- fi
- echo " table $x (\"$name\"):
+head_table () {
+ printf ' table 0 ("%s"):
metadata: match=0xffffffffffffffff write=0xffffffffffffffff
max_entries=1000000
- instructions (table miss and others):$next
- instructions: meter,apply_actions,clear_actions,write_actions,write_metadata$goto
+ instructions (table miss and others):
+ next tables: 1-253
+ instructions: meter,apply_actions,clear_actions,write_actions,write_metadata,goto_table
Write-Actions and Apply-Actions features:
actions: output group set_field strip_vlan push_vlan mod_nw_ttl dec_ttl set_mpls_ttl dec_mpls_ttl push_mpls pop_mpls set_queue
- supported on Set-Field: tun_id tun_src tun_dst tun_gbp_id tun_gbp_flags tun_metadata0 tun_metadata1 tun_metadata2 tun_metadata3 tun_metadata4 tun_metadata5 tun_metadata6 tun_metadata7 tun_metadata8 tun_metadata9 tun_metadata10 tun_metadata11 tun_metadata12 tun_metadata13 tun_metadata14 tun_metadata15 tun_metadata16 tun_metadata17 tun_metadata18 tun_metadata19 tun_metadata20 tun_metadata21 tun_metadata22 tun_metadata23 tun_metadata24 tun_metadata25 tun_metadata26 tun_metadata27 tun_metadata28 tun_metadata29 tun_metadata30 tun_metadata31 tun_metadata32 tun_metadata33 tun_metadata34 tun_metadata35 tun_metadata36 tun_metadata37 tun_metadata38 tun_metadata39 tun_metadata40 tun_metadata41 tun_metadata42 tun_metadata43 tun_metadata44 tun_metadata45 tun_metadata46 tun_metadata47 tun_metadata48 tun_metadata49 tun_metadata50 tun_metadata51 tun_metadata52 tun_metadata53 tun_metadata54 tun_metadata55 tun_metadata56 tun_metadata57 tun_metadata58 tun_metadata59 tun_metadata60 tun_metadata61 tun_metadata62 tun_metadata63 metadata in_port in_port_oxm pkt_mark reg0 reg1 reg2 reg3 reg4 reg5 reg6 reg7 xreg0 xreg1 xreg2 xreg3 eth_src eth_dst vlan_tci vlan_vid vlan_pcp mpls_label mpls_tc ip_src ip_dst ipv6_src ipv6_dst ipv6_label nw_tos ip_dscp nw_ecn nw_ttl arp_op arp_spa arp_tpa arp_sha arp_tha tcp_src tcp_dst udp_src udp_dst sctp_src sctp_dst nd_target nd_sll nd_tll
+ supported on Set-Field: tun_id tun_src tun_dst tun_flags tun_gbp_id tun_gbp_flags tun_metadata0 tun_metadata1 tun_metadata2 tun_metadata3 tun_metadata4 tun_metadata5 tun_metadata6 tun_metadata7 tun_metadata8 tun_metadata9 tun_metadata10 tun_metadata11 tun_metadata12 tun_metadata13 tun_metadata14 tun_metadata15 tun_metadata16 tun_metadata17 tun_metadata18 tun_metadata19 tun_metadata20 tun_metadata21 tun_metadata22 tun_metadata23 tun_metadata24 tun_metadata25 tun_metadata26 tun_metadata27 tun_metadata28 tun_metadata29 tun_metadata30 tun_metadata31 tun_metadata32 tun_metadata33 tun_metadata34 tun_metadata35 tun_metadata36 tun_metadata37 tun_metadata38 tun_metadata39 tun_metadata40 tun_metadata41 tun_metadata42 tun_metadata43 tun_metadata44 tun_metadata45 tun_metadata46 tun_metadata47 tun_metadata48 tun_metadata49 tun_metadata50 tun_metadata51 tun_metadata52 tun_metadata53 tun_metadata54 tun_metadata55 tun_metadata56 tun_metadata57 tun_metadata58 tun_metadata59 tun_metadata60 tun_metadata61 tun_metadata62 tun_metadata63 metadata in_port in_port_oxm pkt_mark reg0 reg1 reg2 reg3 reg4 reg5 reg6 reg7 xreg0 xreg1 xreg2 xreg3 eth_src eth_dst vlan_tci vlan_vid vlan_pcp mpls_label mpls_tc ip_src ip_dst ipv6_src ipv6_dst ipv6_label nw_tos ip_dscp nw_ecn nw_ttl arp_op arp_spa arp_tpa arp_sha arp_tha tcp_src tcp_dst udp_src udp_dst sctp_src sctp_dst nd_target nd_sll nd_tll
matching:
dp_hash: arbitrary mask
recirc_id: exact match or wildcard
tun_id: arbitrary mask
tun_src: arbitrary mask
tun_dst: arbitrary mask
+ tun_flags: arbitrary mask
tun_gbp_id: arbitrary mask
tun_gbp_flags: arbitrary mask
tun_metadata0: arbitrary mask
icmpv6_code: exact match or wildcard
nd_target: arbitrary mask
nd_sll: arbitrary mask
- nd_tll: arbitrary mask"
- x=$y
- name=table$x
- done) > expout
-AT_CHECK([ovs-ofctl -O OpenFlow13 dump-table-features br0 | sed '/^$/d
-/^OFPST_TABLE_FEATURES/d'], [0], [expout])
+ nd_tll: arbitrary mask
+
+' $1
+}
+ditto() {
+ printf ' table %d ("%s"):
+ metadata: match=0xffffffffffffffff write=0xffffffffffffffff
+ max_entries=%d
+ instructions (table miss and others):
+ next tables: %d-253
+ (same instructions)
+ (same actions)
+ (same matching)
+
+' $1 $2 $3 `expr $1 + 1`
+}
+tail_tables() {
+echo ' table 252 ("table252"):
+ metadata: match=0xffffffffffffffff write=0xffffffffffffffff
+ max_entries=1000000
+ instructions (table miss and others):
+ next tables: 253
+ (same instructions)
+ (same actions)
+ (same matching)
+
+ table 253 ("table253"):
+ metadata: match=0xffffffffffffffff write=0xffffffffffffffff
+ max_entries=1000000
+ instructions (table miss and others):
+ instructions: meter,apply_actions,clear_actions,write_actions,write_metadata
+ (same actions)
+ (same matching)
+'
+}
+(head_table classifier
+ for i in `seq 1 251`; do
+ ditto $i table$i 1000000
+ done
+ tail_tables) > expout
+AT_CHECK([ovs-ofctl -O OpenFlow13 dump-table-features br0], [0], [expout])
# Change the configuration.
AT_CHECK(
[ovs-vsctl \
<1>
])
# Check that the configuration was updated.
+(head_table main
+ ditto 1 table1 1024
+ for i in `seq 2 251`; do
+ ditto $i table$i 1000000
+ done
+ tail_tables) > expout
+AT_CHECK([ovs-ofctl -O OpenFlow13 dump-table-features br0], [0], [expout])
+OVS_VSWITCHD_STOP
+AT_CLEANUP
+
+AT_SETUP([ofproto - table description (OpenFlow 1.4)])
+OVS_VSWITCHD_START
+(x=0
+ while test $x -lt 254; do
+ y=`expr $x + 1`
+ echo " table $x:
+ eviction=off eviction_flags=OTHER|IMPORTANCE|LIFETIME"
+ x=$y
+ done) > expout
+AT_CHECK([ovs-ofctl -O OpenFlow14 dump-table-desc br0 | sed '/^$/d
+/^OFPST_TABLE_DESC/d'], [0], [expout])
+
+# Change the configuration.
+AT_CHECK([ovs-ofctl -O Openflow14 mod-table br0 0 evict])
+# Check that the configuration was updated.
mv expout orig-expout
-sed 's/classifier/main/
-141s/1000000/1024/' < orig-expout > expout
-AT_CHECK([ovs-ofctl -O OpenFlow13 dump-table-features br0 | sed '/^$/d
-/^OFPST_TABLE_FEATURES/d'], [0], [expout])
+sed -e '2s/eviction=off/eviction=on/' <orig-expout > expout
+AT_CHECK([ovs-ofctl -O OpenFlow14 dump-table-desc br0 | sed '/^$/d
+/^OFPST_TABLE_DESC/d'], [0], [expout])
OVS_VSWITCHD_STOP
AT_CLEANUP
OVS_VSWITCHD_STOP
AT_CLEANUP
+AT_SETUP([ofproto - eviction using importance upon table overflow (OpenFlow 1.4)])
+OVS_VSWITCHD_START
+# Configure a maximum of 4 flows.
+AT_CHECK(
+ [ovs-vsctl \
+ -- --id=@t0 create Flow_Table name=evict flow-limit=4 \
+ -- set bridge br0 flow_tables:0=@t0 \
+ | ${PERL} $srcdir/uuidfilt.pl],
+ [0], [<0>
+])
+# Use mod-table to turn on eviction just to demonstrate that it works.
+AT_CHECK([ovs-ofctl -O OpenFlow14 mod-table br0 0 evict])
+# Add 4 flows.
+for in_port in 4 3 2 1; do
+ ovs-ofctl -O Openflow14 add-flow br0 importance=$((in_port + 30)),priority=$((in_port + 5)),hard_timeout=$((in_port + 500)),actions=drop
+done
+AT_CHECK([ovs-ofctl -O Openflow14 dump-flows br0 | ofctl_strip | sort], [0], [dnl
+ hard_timeout=501, importance=31, priority=6 actions=drop
+ hard_timeout=502, importance=32, priority=7 actions=drop
+ hard_timeout=503, importance=33, priority=8 actions=drop
+ hard_timeout=504, importance=34, priority=9 actions=drop
+OFPST_FLOW reply (OF1.4):
+])
+# Adding another flow will cause the one with lowest importance to be evicted.
+AT_CHECK([ovs-ofctl -O Openflow14 add-flow br0 hard_timeout=505,importance=35,priority=10,in_port=2,actions=drop])
+AT_CHECK([ovs-ofctl -O Openflow14 dump-flows br0 | ofctl_strip | sort], [0], [dnl
+ hard_timeout=502, importance=32, priority=7 actions=drop
+ hard_timeout=503, importance=33, priority=8 actions=drop
+ hard_timeout=504, importance=34, priority=9 actions=drop
+ hard_timeout=505, importance=35, priority=10,in_port=2 actions=drop
+OFPST_FLOW reply (OF1.4):
+])
+# Disable the Eviction configuration.
+AT_CHECK([ovs-ofctl -O OpenFlow14 mod-table br0 0 noevict])
+# Adding another flow will cause the system to give error for FULL TABLE.
+AT_CHECK([ovs-ofctl -O Openflow14 add-flow br0 hard_timeout=506,importance=36,priority=11,actions=drop],[1], [], [stderr])
+AT_CHECK([head -n 1 stderr | ofctl_strip], [0],
+ [OFPT_ERROR (OF1.4): OFPFMFC_TABLE_FULL
+])
+#Dump flows. It should show only the old values
+AT_CHECK([ovs-ofctl -O Openflow14 dump-flows br0 | ofctl_strip | sort], [0], [dnl
+ hard_timeout=502, importance=32, priority=7 actions=drop
+ hard_timeout=503, importance=33, priority=8 actions=drop
+ hard_timeout=504, importance=34, priority=9 actions=drop
+ hard_timeout=505, importance=35, priority=10,in_port=2 actions=drop
+OFPST_FLOW reply (OF1.4):
+])
+# mod-flow that would modify a flow will be done successfully.
+AT_CHECK([ovs-ofctl -O Openflow14 mod-flows br0 in_port=2,actions=NORMAL])
+AT_CHECK([ovs-ofctl -O Openflow14 dump-flows br0 | ofctl_strip | sort], [0], [dnl
+ hard_timeout=502, importance=32, priority=7 actions=drop
+ hard_timeout=503, importance=33, priority=8 actions=drop
+ hard_timeout=504, importance=34, priority=9 actions=drop
+ hard_timeout=505, importance=35, priority=10,in_port=2 actions=NORMAL
+OFPST_FLOW reply (OF1.4):
+])
+# Also a mod-flow that would add a flow will be refused.
+AT_CHECK([ovs-ofctl mod-flows br0 in_port=5,actions=drop], [1], [], [stderr])
+AT_CHECK([head -n 1 stderr | ofctl_strip], [0],
+ [OFPT_ERROR: OFPFMFC_TABLE_FULL
+])
+OVS_VSWITCHD_STOP
+AT_CLEANUP
+
AT_SETUP([ofproto - eviction upon table overflow, with fairness (OpenFlow 1.0)])
OVS_VSWITCHD_START
# Configure a maximum of 4 flows.
OVS_VSWITCHD_STOP
AT_CLEANUP
+AT_SETUP([ofproto - asynchronous message control (OpenFlow 1.4)])
+OVS_VSWITCHD_START
+AT_CHECK([ovs-ofctl -O OpenFlow14 monitor br0 --detach --no-chdir --pidfile])
+check_async () {
+ printf '\n\n--- check_async %d ---\n\n\n' $1
+ INDEX=$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 -O OpenFlow14 -v packet-out br0 none controller '0001020304050010203040501234'
+ if test X"$1" = X"OFPR_ACTION"; then shift;
+ echo >>expout "OFPT_PACKET_IN (OF1.4): total_len=14 in_port=ANY (via action) data_len=14 (unbuffered)
+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 -O OpenFlow14 -v packet-out br0 none 'controller(reason=no_match,id=123)' '0001020304050010203040501234'
+ if test X"$1" = X"OFPR_NO_MATCH"; then shift;
+ echo >>expout "OFPT_PACKET_IN (OF1.4): total_len=14 in_port=ANY (via no_match) data_len=14 (unbuffered)
+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 -O OpenFlow14 packet-out br0 none dec_ttl '002583dfb4000026b98cb0f908004500003eb7e200000011339bac11370dac100002d7730035002b8f6d86fb0100000100000000000006626c702d7873066e696369726103636f6d00000f00'
+ if test X"$1" = X"OFPR_INVALID_TTL"; then shift;
+ echo >>expout "OFPT_PACKET_IN (OF1.4): total_len=76 in_port=ANY (via invalid_ttl) data_len=76 (unbuffered)
+udp,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
+ if test X"$1" = X"OFPPR_ADD"; then shift;
+ echo >>expout "OFPT_PORT_STATUS (OF1.4): ADD: ${INDEX}(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_MODIFY
+ ovs-ofctl -O OpenFlow14 -vwarn mod-port br0 test up
+ if test X"$1" = X"OFPPR_MODIFY"; then shift;
+ echo >>expout "OFPT_PORT_STATUS (OF1.4): MOD: ${INDEX}(test): addr:aa:55:aa:55:00:0x
+ config: 0
+ state: LINK_DOWN
+ speed: 0 Mbps now, 0 Mbps max
+OFPT_PORT_STATUS (OF1.4): MOD: ${INDEX}(test): addr:aa:55:aa:55:00:0x
+ config: 0
+ state: 0
+ 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 (OF1.4): DEL: ${INDEX}(test): addr:aa:55:aa:55:00:0x
+ config: 0
+ state: 0
+ speed: 0 Mbps now, 0 Mbps max"
+ fi
+
+ # OFPT_FLOW_REMOVED, OFPRR_DELETE
+ ovs-ofctl -O OpenFlow14 add-flow br0 send_flow_rem,actions=drop
+ ovs-ofctl -O OpenFlow14 --strict del-flows br0 ''
+ if test X"$1" = X"OFPRR_DELETE"; then shift;
+ echo >>expout "OFPT_FLOW_REMOVED (OF1.4): reason=delete table_id=0"
+ fi
+
+ # OFPT_FLOW_REMOVED, OFPRR_GROUP_DELETE
+ ovs-ofctl -O OpenFlow14 add-group br0 group_id=1234,type=all,bucket=output:10
+ ovs-ofctl -O OpenFlow14 add-flow br0 send_flow_rem,actions=group:1234
+ ovs-ofctl -O OpenFlow14 --strict del-groups br0 group_id=1234
+ if test X"$1" = X"OFPRR_GROUP_DELETE"; then shift;
+ echo >>expout "OFPT_FLOW_REMOVED (OF1.4): reason=group_delete table_id=0"
+ fi
+
+ AT_FAIL_IF([test X"$1" != X])
+
+ ovs-appctl -t ovs-ofctl ofctl/barrier
+ echo >>expout "OFPT_BARRIER_REPLY (OF1.4):"
+
+ AT_CHECK(
+ [[sed '
+s/ (xid=0x[0-9a-fA-F]*)//
+s/ *duration.*//
+s/00:0.$/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 0509000c0123456700000080
+check_async 2 OFPR_ACTION OFPPR_ADD OFPPR_MODIFY OFPPR_DELETE OFPRR_DELETE OFPRR_GROUP_DELETE
+
+# Become slave (OF 1.4), which should disable everything except port status.
+ovs-appctl -t ovs-ofctl ofctl/send 051800180000000200000003000000000000000000000001
+check_async 3 OFPPR_ADD OFPPR_MODIFY OFPPR_DELETE
+
+# Use OF 1.4 OFPT_SET_ASYNC to enable a patchwork of asynchronous messages.
+ovs-appctl -t ovs-ofctl ofctl/send 051c0038000000020000000800000005000100080000000200020008000000020003000800000005000400080000001c0005000800000005
+check_async 4 OFPR_INVALID_TTL OFPPR_DELETE OFPRR_DELETE OFPRR_GROUP_DELETE
+
+# Set controller ID 123.
+ovs-appctl -t ovs-ofctl ofctl/send 05040018000000030000232000000014000000000000007b
+check_async 5 OFPR_NO_MATCH OFPPR_DELETE OFPRR_DELETE OFPRR_GROUP_DELETE
+
+# Restore controller ID 0.
+ovs-appctl -t ovs-ofctl ofctl/send 050400180000000300002320000000140000000000000000
+
+# Become master (OF 1.4).
+ovs-appctl -t ovs-ofctl ofctl/send 051800180000000400000002000000000000000000000002
+check_async 6 OFPR_ACTION OFPPR_ADD OFPPR_MODIFY OFPRR_DELETE
+
+ovs-appctl -t ovs-ofctl exit
+OVS_VSWITCHD_STOP
+AT_CLEANUP
+
AT_SETUP([ofproto - asynchronous message control (OpenFlow 1.5)])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl -O OpenFlow15 monitor br0 --detach --no-chdir --pidfile])