AT_BANNER([ofproto])

AT_SETUP([ofproto - echo request])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl -vwarn probe br0])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - feature request, config request])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl -vwarn show br0], [0], [stdout])
AT_CHECK([STRIP_XIDS stdout], [0], [dnl
OFPT_FEATURES_REPLY: dpid:fedcba9876543210
n_tables:255, n_buffers:256
capabilities: FLOW_STATS TABLE_STATS PORT_STATS QUEUE_STATS ARP_MATCH_IP
actions: OUTPUT SET_VLAN_VID SET_VLAN_PCP STRIP_VLAN SET_DL_SRC SET_DL_DST SET_NW_SRC SET_NW_DST SET_NW_TOS SET_TP_SRC SET_TP_DST ENQUEUE
 LOCAL(br0): addr:aa:55:aa:55:00:00
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 100 Mbps now, 100 Mbps max
OFPT_GET_CONFIG_REPLY: frags=normal miss_send_len=0
])
OVS_VSWITCHD_STOP
AT_CLEANUP

dnl This is really bare-bones.
dnl It at least checks request and reply serialization and deserialization.
AT_SETUP([ofproto - port stats])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl -vwarn dump-ports br0], [0], [stdout])
AT_CHECK([STRIP_XIDS stdout], [0], [dnl
OFPST_PORT reply: 1 ports
  port 65534: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=0, bytes=0, drop=0, errs=0, coll=0
])
OVS_VSWITCHD_STOP
AT_CLEANUP

dnl This is really bare-bones.
dnl It at least checks request and reply serialization and deserialization.
AT_SETUP([ofproto - port-desc stats])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl -vwarn dump-ports-desc br0], [0], [stdout])
AT_CHECK([STRIP_XIDS stdout], [0], [dnl
OFPST_PORT_DESC reply:
 LOCAL(br0): addr:aa:55:aa:55:00:00
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 100 Mbps now, 100 Mbps max
])
OVS_VSWITCHD_STOP
AT_CLEANUP

dnl This is really bare-bones.
dnl It at least checks request and reply serialization and deserialization.
AT_SETUP([ofproto - queue stats])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl -vwarn queue-stats br0], [0], [stdout])
AT_CHECK([STRIP_XIDS stdout], [0], [dnl
OFPST_QUEUE reply: 0 queues
])
AT_CHECK([ovs-ofctl -vwarn queue-stats br0 ALL 5], [0],
  [OFPT_ERROR (xid=0x2): OFPQOFC_BAD_QUEUE
OFPST_QUEUE request (xid=0x2):port=ALL queue=5
])
AT_CHECK([ovs-ofctl -vwarn queue-stats br0 10], [0],
  [OFPT_ERROR (xid=0x2): OFPQOFC_BAD_PORT
OFPST_QUEUE request (xid=0x2):port=10 queue=ALL
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - mod-port])
OVS_VSWITCHD_START
for command_config_state in \
    'up 0 0' \
    'noflood NO_FLOOD 0' \
    'down PORT_DOWN,NO_FLOOD LINK_DOWN' \
    'flood PORT_DOWN LINK_DOWN' \
    'no-receive PORT_DOWN,NO_RECV LINK_DOWN' \
    'no-forward PORT_DOWN,NO_RECV,NO_FWD LINK_DOWN' \
    'no-packet-in PORT_DOWN,NO_RECV,NO_FWD,NO_PACKET_IN LINK_DOWN' \
    'forward PORT_DOWN,NO_RECV,NO_PACKET_IN LINK_DOWN' \
    'packet-in PORT_DOWN,NO_RECV LINK_DOWN' \
    'up NO_RECV 0' \
    'receive 0 0'
do
    set $command_config_state
    command=$[1] config=`echo $[2] | sed 's/,/ /g'` state=$[3]
    AT_CHECK([ovs-ofctl -vwarn mod-port br0 br0 $command])
    AT_CHECK([ovs-ofctl -vwarn show br0], [0], [stdout])
    AT_CHECK_UNQUOTED([STRIP_XIDS stdout], [0], [dnl
OFPT_FEATURES_REPLY: dpid:fedcba9876543210
n_tables:255, n_buffers:256
capabilities: FLOW_STATS TABLE_STATS PORT_STATS QUEUE_STATS ARP_MATCH_IP
actions: OUTPUT SET_VLAN_VID SET_VLAN_PCP STRIP_VLAN SET_DL_SRC SET_DL_DST SET_NW_SRC SET_NW_DST SET_NW_TOS SET_TP_SRC SET_TP_DST ENQUEUE
 LOCAL(br0): addr:aa:55:aa:55:00:00
     config:     $config
     state:      $state
     speed: 100 Mbps now, 100 Mbps max
OFPT_GET_CONFIG_REPLY: frags=normal miss_send_len=0
])
done
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - basic flow_mod commands (NXM)])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip], [0], [NXST_FLOW reply:
])
AT_CHECK([echo 'in_port=2,actions=1' | ovs-ofctl add-flows br0 -])
AT_CHECK([ovs-ofctl add-flow br0 in_port=1,actions=2])
AT_CHECK([ovs-ofctl -F nxm add-flow br0 table=1,in_port=4,actions=3])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 in_port=1 actions=output:2
 in_port=2 actions=output:1
 table=1, in_port=4 actions=output:3
NXST_FLOW reply:
])
AT_CHECK([ovs-ofctl dump-aggregate br0 table=0 | STRIP_XIDS], [0], [dnl
NXST_AGGREGATE reply: packet_count=0 byte_count=0 flow_count=2
])
AT_CHECK([ovs-ofctl del-flows br0])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip], [0], [NXST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - basic flow_mod commands (OpenFlow 1.0)])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl -F openflow10 dump-flows br0 | ofctl_strip], [0], [OFPST_FLOW reply:
])
AT_CHECK([echo 'in_port=2,actions=1' | ovs-ofctl -F openflow10 add-flows br0 -])
AT_CHECK([ovs-ofctl -F openflow10 add-flow br0 in_port=1,actions=2])
AT_CHECK([ovs-ofctl -F openflow10 add-flow br0 table=1,in_port=4,actions=3])
AT_CHECK([ovs-ofctl -F openflow10 dump-flows br0 | ofctl_strip | sort], [0], [dnl
 in_port=1 actions=output:2
 in_port=2 actions=output:1
 table=1, in_port=4 actions=output:3
OFPST_FLOW reply:
])
AT_CHECK([ovs-ofctl -F openflow10 dump-aggregate br0 table=0 | STRIP_XIDS], [0], [dnl
OFPST_AGGREGATE reply: packet_count=0 byte_count=0 flow_count=2
])
AT_CHECK([ovs-ofctl -F openflow10 del-flows br0])
AT_CHECK([ovs-ofctl -F openflow10 dump-flows br0 | ofctl_strip], [0], [OFPST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - dump flows with cookie])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x1,in_port=1,actions=1])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x2,in_port=2,actions=1])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x3,in_port=3,actions=1])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x1, in_port=1 actions=output:1
 cookie=0x2, in_port=2 actions=output:1
 cookie=0x3, in_port=3 actions=output:1
NXST_FLOW reply:
])
AT_CHECK([ovs-ofctl dump-aggregate br0 table=0 | STRIP_XIDS], [0], [dnl
NXST_AGGREGATE reply: packet_count=0 byte_count=0 flow_count=3
])
AT_CHECK([ovs-ofctl dump-flows br0 cookie=0x3/-1 | ofctl_strip | sort], [0], [dnl
 cookie=0x3, in_port=3 actions=output:1
NXST_FLOW reply:
])
AT_CHECK([ovs-ofctl dump-aggregate br0 cookie=0x3/-1 | STRIP_XIDS], [0], [dnl
NXST_AGGREGATE reply: packet_count=0 byte_count=0 flow_count=1
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - dump flows with cookie mask])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x1,in_port=1,actions=1])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x2,in_port=2,actions=1])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x3,in_port=3,actions=1])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x1, in_port=1 actions=output:1
 cookie=0x2, in_port=2 actions=output:1
 cookie=0x3, in_port=3 actions=output:1
NXST_FLOW reply:
])
AT_CHECK([ovs-ofctl dump-aggregate br0 table=0 | STRIP_XIDS], [0], [dnl
NXST_AGGREGATE reply: packet_count=0 byte_count=0 flow_count=3
])
AT_CHECK([ovs-ofctl dump-flows br0 cookie=0x3/0x1 | ofctl_strip | sort], [0], [dnl
 cookie=0x1, in_port=1 actions=output:1
 cookie=0x3, in_port=3 actions=output:1
NXST_FLOW reply:
])
AT_CHECK([ovs-ofctl dump-aggregate br0 cookie=0x3/0x1 | STRIP_XIDS], [0], [dnl
NXST_AGGREGATE reply: packet_count=0 byte_count=0 flow_count=2
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - mod flow with cookie change (OpenFlow 1.0)])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl -F openflow10 add-flow br0 cookie=0x1,in_port=1,actions=1])
AT_CHECK([ovs-ofctl -F openflow10 dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x1, in_port=1 actions=output:1
OFPST_FLOW reply:
])

AT_CHECK([ovs-ofctl -F openflow10 mod-flows br0 cookie=0x2,in_port=1,actions=1])
AT_CHECK([ovs-ofctl -F openflow10 dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x2, in_port=1 actions=output:1
OFPST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - mod flow with cookie change (NXM)])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl -F nxm add-flow br0 cookie=0x1,in_port=1,actions=1])
AT_CHECK([ovs-ofctl -F nxm dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x1, in_port=1 actions=output:1
NXST_FLOW reply:
])

AT_CHECK([ovs-ofctl -F nxm mod-flows br0 cookie=0x2,in_port=1,actions=1])
AT_CHECK([ovs-ofctl -F nxm dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x2, in_port=1 actions=output:1
NXST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - mod flows based on cookie mask])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x1,in_port=1,actions=1])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x1,in_port=2,actions=1])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x2,in_port=3,actions=1])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x1, in_port=1 actions=output:1
 cookie=0x1, in_port=2 actions=output:1
 cookie=0x2, in_port=3 actions=output:1
NXST_FLOW reply:
])

AT_CHECK([ovs-ofctl -F nxm mod-flows br0 cookie=0x1/0xff,actions=4])
AT_CHECK([ovs-ofctl -F nxm dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x1, in_port=1 actions=output:4
 cookie=0x1, in_port=2 actions=output:4
 cookie=0x2, in_port=3 actions=output:1
NXST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - mod flows based on cookie mask with cookie change])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x1,in_port=1,actions=1])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x1,in_port=2,actions=1])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x2,in_port=3,actions=1])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x1, in_port=1 actions=output:1
 cookie=0x1, in_port=2 actions=output:1
 cookie=0x2, in_port=3 actions=output:1
NXST_FLOW reply:
])

AT_CHECK([ovs-ofctl -F nxm mod-flows br0 cookie=1/-1,cookie=4,actions=4])
AT_CHECK([ovs-ofctl -F nxm dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x2, in_port=3 actions=output:1
 cookie=0x4, in_port=1 actions=output:4
 cookie=0x4, in_port=2 actions=output:4
NXST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - mod flow with cookie miss (mask==0)])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl -F nxm mod-flows br0 in_port=1,actions=1])
AT_CHECK([ovs-ofctl -F nxm dump-flows br0 | ofctl_strip | sort], [0], [dnl
 in_port=1 actions=output:1
NXST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - mod flow with cookie miss (mask!=0)])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl -F nxm mod-flows br0 cookie=1/1,in_port=1,actions=1])
AT_CHECK([ovs-ofctl -F nxm dump-flows br0 | ofctl_strip | sort], [0], [dnl
NXST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - del flows with cookies])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x1,in_port=1,actions=1])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x2,in_port=2,actions=1])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x3,in_port=3,actions=1])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x1, in_port=1 actions=output:1
 cookie=0x2, in_port=2 actions=output:1
 cookie=0x3, in_port=3 actions=output:1
NXST_FLOW reply:
])

AT_CHECK([ovs-ofctl del-flows br0])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
NXST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - del flows based on cookie])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x1,in_port=1,actions=1])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x2,in_port=2,actions=1])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x3,in_port=3,actions=1])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x1, in_port=1 actions=output:1
 cookie=0x2, in_port=2 actions=output:1
 cookie=0x3, in_port=3 actions=output:1
NXST_FLOW reply:
])

AT_CHECK([ovs-ofctl del-flows br0 cookie=0x3/-1])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x1, in_port=1 actions=output:1
 cookie=0x2, in_port=2 actions=output:1
NXST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - del flows based on cookie mask])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x1,in_port=1,actions=1])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x2,in_port=2,actions=1])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x3,in_port=3,actions=1])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x1, in_port=1 actions=output:1
 cookie=0x2, in_port=2 actions=output:1
 cookie=0x3, in_port=3 actions=output:1
NXST_FLOW reply:
])
AT_CHECK([ovs-ofctl del-flows br0 cookie=0x3/0x1])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x2, in_port=2 actions=output:1
NXST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - flow table configuration])
OVS_VSWITCHD_START
# Check the default configuration.
(echo "OFPST_TABLE reply (xid=0x2): 255 tables
  0: classifier: wild=0x3fffff, max=1000000, active=0
               lookup=0, matched=0"
 x=1
 while test $x -lt 254; do
   printf "  %d: %-8s: wild=0x3fffff, max=1000000, active=0
               lookup=0, matched=0
" $x table$x
   x=`expr $x + 1`
 done
 echo "  254: table254: wild=0x3fffff, max=1000000, active=2
               lookup=0, matched=0") > expout
AT_CHECK([ovs-ofctl dump-tables br0], [0], [expout])
# Change the configuration.
AT_CHECK(
  [ovs-vsctl \
     -- --id=@t0 create Flow_Table name=main \
     -- --id=@t1 create Flow_Table flow-limit=1024 \
     -- set bridge br0 'flow_tables={1=@t1,0=@t0}' \
   | perl $srcdir/uuidfilt.pl],
  [0], [<0>
<1>
])
# Check that the configuration was updated.
mv expout orig-expout
(echo "OFPST_TABLE reply (xid=0x2): 255 tables
  0: main    : wild=0x3fffff, max=1000000, active=0
               lookup=0, matched=0
  1: table1  : wild=0x3fffff, max=  1024, active=0
               lookup=0, matched=0"
 tail -n +6 orig-expout) > expout
AT_CHECK([ovs-ofctl dump-tables br0], [0], [expout])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - hard limits on flow table size])
OVS_VSWITCHD_START
# Configure a maximum of 4 flows.
AT_CHECK(
  [ovs-vsctl \
     -- --id=@t0 create Flow_Table flow-limit=4 \
     -- set bridge br0 flow_tables:0=@t0 \
   | perl $srcdir/uuidfilt.pl],
  [0], [<0>
])
# Add 4 flows.
for in_port in 1 2 3 4; do
    ovs-ofctl add-flow br0 in_port=$in_port,actions=drop
done
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 in_port=1 actions=drop
 in_port=2 actions=drop
 in_port=3 actions=drop
 in_port=4 actions=drop
NXST_FLOW reply:
])
# Adding another flow will be refused.
AT_CHECK([ovs-ofctl add-flow br0 in_port=5,actions=drop], [1], [], [stderr])
AT_CHECK([head -n 1 stderr | ofctl_strip], [0],
  [OFPT_ERROR: OFPFMFC_ALL_TABLES_FULL
])
# 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_ALL_TABLES_FULL
])
# Replacing or modifying an existing flow is allowed.
AT_CHECK([ovs-ofctl add-flow br0 in_port=4,actions=normal])
AT_CHECK([ovs-ofctl mod-flows br0 in_port=3,actions=output:1])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 in_port=1 actions=drop
 in_port=2 actions=drop
 in_port=3 actions=output:1
 in_port=4 actions=NORMAL
NXST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - eviction upon table overflow])
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 $srcdir/uuidfilt.pl],
  [0], [<0>
])
# Add 4 flows.
for in_port in 4 3 2 1; do
    ovs-ofctl add-flow br0 idle_timeout=${in_port}0,in_port=$in_port,actions=drop
done
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 idle_timeout=10, in_port=1 actions=drop
 idle_timeout=20, in_port=2 actions=drop
 idle_timeout=30, in_port=3 actions=drop
 idle_timeout=40, in_port=4 actions=drop
NXST_FLOW reply:
])
# 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=20, in_port=2 actions=drop
 idle_timeout=30, in_port=3 actions=drop
 idle_timeout=40, in_port=4 actions=drop
 in_port=5 actions=drop
NXST_FLOW reply:
])
# A mod-flow that adds a flow also causes eviction, but replacing or
# modifying an existing flow doesn't.
AT_CHECK([ovs-ofctl mod-flows br0 in_port=6,actions=drop])
AT_CHECK([ovs-ofctl add-flow br0 in_port=4,actions=normal])
AT_CHECK([ovs-ofctl mod-flows br0 in_port=3,actions=output:1])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 idle_timeout=30, in_port=3 actions=output:1
 in_port=4 actions=NORMAL
 in_port=5 actions=drop
 in_port=6 actions=drop
NXST_FLOW reply:
])
# Flows with no timeouts at all cannot be evicted.
AT_CHECK([ovs-ofctl add-flow br0 in_port=7,actions=normal])
AT_CHECK([ovs-ofctl add-flow br0 in_port=8,actions=drop], [1], [], [stderr])
AT_CHECK([head -n 1 stderr | ofctl_strip], [0],
  [OFPT_ERROR: OFPFMFC_ALL_TABLES_FULL
])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 in_port=4 actions=NORMAL
 in_port=5 actions=drop
 in_port=6 actions=drop
 in_port=7 actions=NORMAL
NXST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - eviction upon table overflow, with fairness])
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 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 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
NXST_FLOW reply:
])
# 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 add-flow br0 in_port=2,dl_src=00:55:66:77:88:99,actions=drop])
AT_CHECK([ovs-ofctl 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
NXST_FLOW reply:
])
# 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 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 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
NXST_FLOW reply:
])
# Adding another flow will cause the one that expires soonest overall
# to be evicted.
AT_CHECK([ovs-ofctl add-flow br0 'idle_timeout=80 in_port=2 dl_src=00:99:aa:bb:cc:dd actions=drop'])
AT_CHECK([ovs-ofctl 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
NXST_FLOW reply:
])
# 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 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
NXST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - asynchronous message control])
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 none controller '0001020304050010203040501234'
    if test X"$1" = X"OFPR_ACTION"; then shift;
        echo >>expout "OFPT_PACKET_IN: total_len=14 in_port=NONE (via action) data_len=14 (unbuffered)
priority:0,tunnel:0,metadata:0,in_port:0000,tci(0) mac(00:10:20:30:40:50->00:01:02:03:04:05) type:1234 proto:0 tos:0 ttl:0 ip(0.0.0.0->0.0.0.0)"
    fi

    # OFPT_PACKET_IN, OFPR_NO_MATCH (controller_id=123)
    ovs-ofctl -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: total_len=14 in_port=NONE (via no_match) data_len=14 (unbuffered)
priority:0,tunnel:0,metadata:0,in_port:0000,tci(0) mac(00:10:20:30:40:50->00:01:02:03:04:05) type:1234 proto:0 tos:0 ttl:0 ip(0.0.0.0->0.0.0.0)"
    fi

    # OFPT_PACKET_IN, OFPR_INVALID_TTL (controller_id=0)
    ovs-ofctl packet-out br0 none dec_ttl '002583dfb4000026b98cb0f908004500003fb7e200000011339bac11370dac100002d7730035002b8f6d86fb0100000100000000000006626c702d7873066e696369726103636f6d00000f00'
    if test X"$1" = X"OFPR_INVALID_TTL"; then shift;
        echo >>expout "OFPT_PACKET_IN: total_len=76 in_port=NONE (via invalid_ttl) data_len=76 (unbuffered)
priority:0,tunnel:0,metadata:0,in_port:0000,tci(0) mac(00:26:b9:8c:b0:f9->00:25:83:df:b4:00) type:0800 proto:17 tos:0 ttl:0 ip(172.17.55.13->172.16.0.2) port(55155->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: ADD: 1(test): addr:aa:55:aa:55:00:0x
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 100 Mbps now, 100 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: 100 Mbps now, 100 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

dnl This test checks that OFPT_PACKET_OUT accepts both OFPP_NONE (as
dnl specified by OpenFlow 1.0) and OFPP_CONTROLLER (used by some
dnl controllers despite the spec) as meaning a packet that was generated
dnl by the controller.
AT_SETUP([ofproto - packet-out from controller])
OVS_VSWITCHD_START

# Start a monitor listening for packet-ins.
AT_CHECK([ovs-ofctl -P openflow10 monitor br0 --detach --no-chdir --pidfile])
ovs-appctl -t ovs-ofctl ofctl/send 0109000c0123456700000080
ovs-appctl -t ovs-ofctl ofctl/barrier
ovs-appctl -t ovs-ofctl ofctl/set-output-file monitor.log
AT_CAPTURE_FILE([monitor.log])

# Send some packet-outs with OFPP_NONE and OFPP_CONTROLLER (65533) as in_port.
AT_CHECK([ovs-ofctl packet-out br0 none controller '0001020304050010203040501234'])
AT_CHECK([ovs-ofctl packet-out br0 controller controller '0001020304050010203040505678'])

# Stop the monitor and check its output.
ovs-appctl -t ovs-ofctl ofctl/barrier
ovs-appctl -t ovs-ofctl exit

AT_CHECK([sed 's/ (xid=0x[[0-9a-fA-F]]*)//' monitor.log], [0], [dnl
OFPT_PACKET_IN: total_len=14 in_port=NONE (via action) data_len=14 (unbuffered)
priority:0,tunnel:0,metadata:0,in_port:0000,tci(0) mac(00:10:20:30:40:50->00:01:02:03:04:05) type:1234 proto:0 tos:0 ttl:0 ip(0.0.0.0->0.0.0.0)
OFPT_PACKET_IN: total_len=14 in_port=CONTROLLER (via action) data_len=14 (unbuffered)
priority:0,tunnel:0,metadata:0,in_port:0000,tci(0) mac(00:10:20:30:40:50->00:01:02:03:04:05) type:5678 proto:0 tos:0 ttl:0 ip(0.0.0.0->0.0.0.0)
OFPT_BARRIER_REPLY:
])

OVS_VSWITCHD_STOP
AT_CLEANUP

dnl This test checks that metadata is encoded in packet_in structures,
dnl supported by NXAST.
AT_SETUP([ofproto - packet-out with metadata (NXM)])
OVS_VSWITCHD_START

# Start a monitor listening for packet-ins.
AT_CHECK([ovs-ofctl -P nxm monitor br0 --detach --no-chdir --pidfile])
ovs-appctl -t ovs-ofctl ofctl/send 0109000c0123456700000080
ovs-appctl -t ovs-ofctl ofctl/barrier
ovs-appctl -t ovs-ofctl ofctl/set-output-file monitor.log
AT_CAPTURE_FILE([monitor.log])

# Send a packet-out with a load action to set some metadata, and forward to controller
AT_CHECK([ovs-ofctl packet-out br0 none 'load(0xfafafafa5a5a5a5a->OXM_OF_METADATA[[0..63]]), controller' '0001020304050010203040501234'])

# Stop the monitor and check its output.
ovs-appctl -t ovs-ofctl ofctl/barrier
ovs-appctl -t ovs-ofctl exit

AT_CHECK([sed 's/ (xid=0x[[0-9a-fA-F]]*)//' monitor.log], [0], [dnl
NXT_PACKET_IN: total_len=14 in_port=NONE metadata=0xfafafafa5a5a5a5a (via action) data_len=14 (unbuffered)
priority:0,tunnel:0,metadata:0,in_port:0000,tci(0) mac(00:10:20:30:40:50->00:01:02:03:04:05) type:1234 proto:0 tos:0 ttl:0 ip(0.0.0.0->0.0.0.0)
OFPT_BARRIER_REPLY:
])

OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - flow monitoring])
AT_KEYWORDS([monitor])
OVS_VSWITCHD_START

ovs-ofctl add-flow br0 in_port=0,dl_vlan=123,actions=output:1

# Start a monitor watching the flow table and check the initial reply.
ovs-ofctl monitor br0 watch: --detach --no-chdir --pidfile >monitor.log 2>&1
AT_CAPTURE_FILE([monitor.log])
ovs-appctl -t ovs-ofctl ofctl/barrier
AT_CHECK([sed 's/ (xid=0x[[1-9a-fA-F]][[0-9a-fA-F]]*)//' monitor.log], [0],
  [NXST_FLOW_MONITOR reply:
 event=ADDED table=0 cookie=0 in_port=0,dl_vlan=123 actions=output:1
OFPT_BARRIER_REPLY:
])

# Add, delete, and modify some flows and check the updates.
ovs-appctl -t ovs-ofctl ofctl/set-output-file monitor.log
ovs-ofctl add-flow br0 in_port=0,dl_vlan=124,actions=output:2
ovs-ofctl add-flow br0 in_port=0,dl_vlan=123,actions=output:5
ovs-ofctl add-flow br0 in_port=0,dl_vlan=123,dl_vlan_pcp=0,actions=output:6
ovs-ofctl add-flow br0 in_port=0,dl_vlan=123,dl_vlan_pcp=1,actions=output:7
ovs-ofctl add-flow br0 in_port=0,dl_vlan=123,actions=output:8
ovs-ofctl add-flow br0 in_port=0,dl_vlan=65535,dl_vlan_pcp=0,actions=output:9
ovs-ofctl add-flow br0 in_port=0,dl_vlan=65535,dl_vlan_pcp=1,actions=output:10
ovs-ofctl add-flow br0 in_port=0,dl_vlan=65535,actions=output:11
ovs-ofctl add-flow br0 in_port=0,dl_vlan=8191,dl_vlan_pcp=0,actions=output:12
ovs-ofctl add-flow br0 in_port=0,dl_vlan=8191,dl_vlan_pcp=1,actions=output:13
ovs-ofctl add-flow br0 in_port=0,dl_vlan=8191,actions=output:14
ovs-ofctl add-flow br0 in_port=0,dl_vlan=0,dl_vlan_pcp=0,actions=output:15
ovs-ofctl add-flow br0 in_port=0,dl_vlan=0,dl_vlan_pcp=1,actions=output:16
ovs-ofctl add-flow br0 in_port=0,dl_vlan=0,actions=output:17
ovs-ofctl add-flow br0 in_port=0,dl_vlan=0,dl_vlan_pcp=0,actions=output:18
ovs-ofctl add-flow br0 in_port=0,dl_vlan=0,dl_vlan_pcp=1,actions=output:19
ovs-ofctl add-flow br0 in_port=0,dl_vlan=0,actions=output:20
ovs-ofctl add-flow br0 in_port=0,dl_vlan_pcp=0,actions=output:21
ovs-ofctl add-flow br0 in_port=0,dl_vlan_pcp=1,actions=output:22
ovs-ofctl add-flow br0 in_port=0,actions=output:23
ovs-ofctl mod-flows br0 cookie=5,dl_vlan=123,actions=output:3
ovs-ofctl del-flows br0 dl_vlan=123
ovs-ofctl del-flows br0
ovs-appctl -t ovs-ofctl ofctl/barrier
sort='
    # Sorts groups of lines that start with a space, without moving them
    # past the nearest line that does not start with a space.
    use warnings;
    use strict;
    my @buffer = ();
    while (<STDIN>) {
        if (/^ /) {
            push(@buffer, $_);
        } else {
            print $_ foreach sort(@buffer);
            print $_;
            @buffer = ();
        }
    }
    print $_ foreach sort(@buffer);
'
AT_CHECK([sed 's/ (xid=0x[[1-9a-fA-F]][[0-9a-fA-F]]*)//' monitor.log | perl -e "$sort"], [0],
[NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=0,dl_vlan=124 actions=output:2
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=0,dl_vlan=123 actions=output:5
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=0,dl_vlan=123,dl_vlan_pcp=0 actions=output:6
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=0,dl_vlan=123,dl_vlan_pcp=1 actions=output:7
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=0,dl_vlan=123 actions=output:8
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=0,dl_vlan=0,dl_vlan_pcp=0 actions=output:9
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=0,dl_vlan=0,dl_vlan_pcp=1 actions=output:10
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=0,vlan_tci=0x0000 actions=output:11
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=0,dl_vlan=4095,dl_vlan_pcp=0 actions=output:12
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=0,dl_vlan=4095,dl_vlan_pcp=1 actions=output:13
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=0,dl_vlan=4095 actions=output:14
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=0,dl_vlan=0,dl_vlan_pcp=0 actions=output:15
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=0,dl_vlan=0,dl_vlan_pcp=1 actions=output:16
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=0,dl_vlan=0 actions=output:17
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=0,dl_vlan=0,dl_vlan_pcp=0 actions=output:18
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=0,dl_vlan=0,dl_vlan_pcp=1 actions=output:19
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=0,dl_vlan=0 actions=output:20
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=0,dl_vlan_pcp=0 actions=output:21
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=0,dl_vlan_pcp=1 actions=output:22
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=0 actions=output:23
NXST_FLOW_MONITOR reply (xid=0x0):
 event=MODIFIED table=0 cookie=0x5 in_port=0,dl_vlan=123 actions=output:3
 event=MODIFIED table=0 cookie=0x5 in_port=0,dl_vlan=123,dl_vlan_pcp=0 actions=output:3
 event=MODIFIED table=0 cookie=0x5 in_port=0,dl_vlan=123,dl_vlan_pcp=1 actions=output:3
NXST_FLOW_MONITOR reply (xid=0x0):
 event=DELETED reason=delete table=0 cookie=0x5 in_port=0,dl_vlan=123 actions=output:3
 event=DELETED reason=delete table=0 cookie=0x5 in_port=0,dl_vlan=123,dl_vlan_pcp=0 actions=output:3
 event=DELETED reason=delete table=0 cookie=0x5 in_port=0,dl_vlan=123,dl_vlan_pcp=1 actions=output:3
NXST_FLOW_MONITOR reply (xid=0x0):
 event=DELETED reason=delete table=0 cookie=0 in_port=0 actions=output:23
 event=DELETED reason=delete table=0 cookie=0 in_port=0,dl_vlan=0 actions=output:20
 event=DELETED reason=delete table=0 cookie=0 in_port=0,dl_vlan=0,dl_vlan_pcp=0 actions=output:18
 event=DELETED reason=delete table=0 cookie=0 in_port=0,dl_vlan=0,dl_vlan_pcp=1 actions=output:19
 event=DELETED reason=delete table=0 cookie=0 in_port=0,dl_vlan=124 actions=output:2
 event=DELETED reason=delete table=0 cookie=0 in_port=0,dl_vlan=4095 actions=output:14
 event=DELETED reason=delete table=0 cookie=0 in_port=0,dl_vlan=4095,dl_vlan_pcp=0 actions=output:12
 event=DELETED reason=delete table=0 cookie=0 in_port=0,dl_vlan=4095,dl_vlan_pcp=1 actions=output:13
 event=DELETED reason=delete table=0 cookie=0 in_port=0,dl_vlan_pcp=0 actions=output:21
 event=DELETED reason=delete table=0 cookie=0 in_port=0,dl_vlan_pcp=1 actions=output:22
 event=DELETED reason=delete table=0 cookie=0 in_port=0,vlan_tci=0x0000 actions=output:11
OFPT_BARRIER_REPLY:
])

# Check that our own changes are reported as abbreviations.
ovs-appctl -t ovs-ofctl ofctl/set-output-file monitor.log
ovs-ofctl add-flow br0 in_port=1,actions=output:2
ovs-ofctl add-flow br0 in_port=2,actions=output:1
ovs-appctl -t ovs-ofctl ofctl/send 010e004812345678003fffff00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000000000ffffffffffff0000
ovs-appctl -t ovs-ofctl ofctl/barrier
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip], [0], [NXST_FLOW reply:
])
AT_CHECK([sed 's/ (xid=0x[[1-9a-fA-F]][[0-9a-fA-F]]*)//' monitor.log], [0],
[NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=1 actions=output:2
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ADDED table=0 cookie=0 in_port=2 actions=output:1
send: OFPT_FLOW_MOD: DEL priority=0 actions=drop
NXST_FLOW_MONITOR reply (xid=0x0):
 event=ABBREV xid=0x12345678
OFPT_BARRIER_REPLY:
])

ovs-appctl -t ovs-ofctl exit
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - flow monitoring pause and resume])
AT_KEYWORDS([monitor])

# The maximum socket receive buffer size is important for this test, which
# tests behavior when the receive buffer overflows.
if test -e /proc/sys/net/core/rmem_max; then
    # Linux
    rmem_max=`cat /proc/sys/net/core/rmem_max`
elif rmem_max=`sysctl -n net.inet.tcp.recvbuf_max 2>/dev/null`; then
    : # FreeBSD
else
    # Don't know how to get maximum socket receive buffer on this OS
    AT_SKIP_IF([:])
fi
# Calculate the total amount of queuing: rmem_max in the kernel, 128 kB
# in ofproto sending userspace (see ofmonitor_flush() in connmgr.c).
queue_size=`expr $rmem_max + 128 \* 1024`
echo rmem_max=$rmem_max queue_size=$queue_size

# Each flow update message takes up at least 48 bytes of space in queues
# and in practice more than that.
n_msgs=`expr $queue_size / 48`
echo n_msgs=$n_msgs

OVS_VSWITCHD_START

# Start a monitor watching the flow table, then make it block.
ON_EXIT([kill `cat ovs-ofctl.pid`])
ovs-ofctl monitor br0 watch: --detach --no-chdir --pidfile >monitor.log 2>&1
AT_CAPTURE_FILE([monitor.log])
ovs-appctl -t ovs-ofctl ofctl/block

# Add $n_msgs flows.
(echo "in_port=2,actions=output:2"
perl -e '
    for ($i = 0; $i < '$n_msgs'; $i++) {
        print "cookie=1,reg1=$i,actions=drop\n";
    }
') > flows.txt
AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
# Check that multipart flow dumps work properly:
AT_CHECK([ovs-ofctl diff-flows br0 flows.txt])
AT_CHECK([ovs-ofctl add-flow br0 in_port=1,cookie=3,actions=drop])
AT_CHECK([ovs-ofctl mod-flows br0 in_port=2,cookie=2,actions=output:2])
AT_CHECK([ovs-ofctl del-flows br0 cookie=1/-1])

ovs-appctl -t ovs-ofctl ofctl/unblock
ovs-appctl -t ovs-ofctl ofctl/barrier

ovs-appctl -t ovs-ofctl exit

# Check that the flow monitor reported the same number of flows
# added and deleted, but fewer than we actually added and deleted.
adds=`grep -c 'ADDED.*reg1=' monitor.log`
deletes=`grep -c 'DELETED.*reg1=' monitor.log`
echo adds=$adds deletes=$deletes
AT_CHECK([test $adds -gt 100 && test $adds -lt $n_msgs])
AT_CHECK([test $adds = $deletes])

# Check that the flow monitor reported everything in the expected order:
#
#     event=ADDED table=0 cookie=0x1 reg1=0x22
# ...
#    NXT_FLOW_MONITOR_PAUSED:
# ...
#     event=DELETED reason=delete table=0 cookie=0x1 reg1=0x22
# ...
#     event=ADDED table=0 cookie=0x3 in_port=1
#     event=MODIFIED table=0 cookie=0x2 in_port=2 actions=output:2
#    NXT_FLOW_MONITOR_RESUMED:
#
# except that, between the PAUSED and RESUMED, the order of the ADDED
# and MODIFIED lines lines depends on hash order, that is, it varies
# as we change the hash function or change architecture.  Therefore,
# we use a couple of tests below to accept both orders.
AT_CHECK([ofctl_strip < monitor.log | sed -n -e '
/reg1=0x22$/p
/cookie=0x[[23]]/p
/NXT_FLOW_MONITOR_PAUSED:/p
/NXT_FLOW_MONITOR_RESUMED:/p
' > monitor.log.subset])
AT_CHECK([grep -v MODIFIED monitor.log.subset], [0], [dnl
 event=ADDED table=0 cookie=0x1 reg1=0x22
NXT_FLOW_MONITOR_PAUSED:
 event=DELETED reason=delete table=0 cookie=0x1 reg1=0x22
 event=ADDED table=0 cookie=0x3 in_port=1
NXT_FLOW_MONITOR_RESUMED:
])
AT_CHECK([grep -v ADDED monitor.log.subset], [0], [dnl
NXT_FLOW_MONITOR_PAUSED:
 event=DELETED reason=delete table=0 cookie=0x1 reg1=0x22
 event=MODIFIED table=0 cookie=0x2 in_port=2 actions=output:2
NXT_FLOW_MONITOR_RESUMED:
])

OVS_VSWITCHD_STOP
AT_CLEANUP