tests/learn.at

   1 AT_BANNER([learning action])
   2
   3 AT_SETUP([learning action - parsing and formatting])
   4 AT_DATA([flows.txt], [[
   5 actions=learn()
   6 actions=learn(NXM_OF_VLAN_TCI[0..11], NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[], output:NXM_OF_IN_PORT[], load:10->NXM_NX_REG0[5..10])
   7 actions=learn(table=1,idle_timeout=1, hard_timeout=2, priority=10, cookie=0xfedcba9876543210, in_port=99,NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[],load:NXM_OF_IN_PORT[]->NXM_NX_REG1[16..31])
   8 ]])
   9 AT_CHECK([ovs-ofctl parse-flows flows.txt], [0],
  10 [[OFPT_FLOW_MOD (xid=0x1): ADD actions=learn(table=1)
  11 OFPT_FLOW_MOD (xid=0x2): ADD actions=learn(table=1,NXM_OF_VLAN_TCI[0..11],NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[],output:NXM_OF_IN_PORT[],load:0x000a->NXM_NX_REG0[5..10])
  12 OFPT_FLOW_MOD (xid=0x3): ADD actions=learn(table=1,idle_timeout=1,hard_timeout=2,priority=10,cookie=0xfedcba9876543210,in_port=99,NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[],load:NXM_OF_IN_PORT[]->NXM_NX_REG1[16..31])
  13 ]])
  14 AT_CLEANUP
  15
  16 AT_SETUP([learning action - examples])
  17 AT_DATA([flows.txt], [[
  18 # These are the examples from nicira-ext.h.
  19 actions=learn(in_port=99,NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[], load:NXM_OF_IN_PORT[]->NXM_NX_REG1[16..31])
  20 actions=learn(NXM_OF_VLAN_TCI[0..11], NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[],output:NXM_OF_IN_PORT[])
  21 table=0 actions=learn(table=1,hard_timeout=10, NXM_OF_VLAN_TCI[0..11],output:NXM_OF_IN_PORT[]), resubmit(,1)
  22 table=1 priority=0 actions=flood
  23 ]])
  24 AT_CHECK([ovs-ofctl parse-flows flows.txt], [0],
  25 [[OFPT_FLOW_MOD (xid=0x1): ADD actions=learn(table=1,in_port=99,NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[],load:NXM_OF_IN_PORT[]->NXM_NX_REG1[16..31])
  26 OFPT_FLOW_MOD (xid=0x2): ADD actions=learn(table=1,NXM_OF_VLAN_TCI[0..11],NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[],output:NXM_OF_IN_PORT[])
  27 NXT_FLOW_MOD_TABLE_ID (xid=0x3): enable
  28 OFPT_FLOW_MOD (xid=0x4): ADD actions=learn(table=1,hard_timeout=10,NXM_OF_VLAN_TCI[0..11],output:NXM_OF_IN_PORT[]),resubmit(,1)
  29 OFPT_FLOW_MOD (xid=0x5): ADD table:1 priority=0 actions=FLOOD
  30 ]])
  31 AT_CLEANUP
  32
  33 AT_SETUP([learning action - satisfied prerequisites])
  34 AT_DATA([flows.txt],
  35 [[actions=learn(eth_type=0x800,load:5->NXM_OF_IP_DST[])
  36 ip,actions=learn(load:NXM_OF_IP_DST[]->NXM_NX_REG1[])
  37 ip,actions=learn(eth_type=0x800,NXM_OF_IP_DST[])
  38 ]])
  39 AT_CHECK([ovs-ofctl parse-flows flows.txt], [0],
  40 [[OFPT_FLOW_MOD (xid=0x1): ADD actions=learn(table=1,eth_type=0x800,load:0x00000005->NXM_OF_IP_DST[])
  41 OFPT_FLOW_MOD (xid=0x2): ADD ip actions=learn(table=1,load:NXM_OF_IP_DST[]->NXM_NX_REG1[])
  42 OFPT_FLOW_MOD (xid=0x3): ADD ip actions=learn(table=1,eth_type=0x800,NXM_OF_IP_DST[])
  43 ]])
  44 AT_CLEANUP
  45
  46 AT_SETUP([learning action - invalid prerequisites])
  47 AT_CHECK([[ovs-ofctl parse-flow 'actions=learn(load:5->NXM_OF_IP_DST[])']],
  48   [1], [],
  49   [[ovs-ofctl: load:5->NXM_OF_IP_DST[]: cannot specify destination field ip_dst because prerequisites are not satisfied
  50 ]])
  51 AT_CHECK([[ovs-ofctl parse-flow 'actions=learn(load:NXM_OF_IP_DST[]->NXM_NX_REG1[])']],
  52   [1], [],
  53   [[ovs-ofctl: load:NXM_OF_IP_DST[]->NXM_NX_REG1[]: cannot specify source field ip_dst because prerequisites are not satisfied
  54 ]])
  55 AT_CLEANUP
  56
  57 AT_SETUP([learning action - standard VLAN+MAC learning])
  58 OVS_VSWITCHD_START(
  59   [add-port br0 eth0 -- set Interface eth0 type=dummy -- \
  60    add-port br0 eth1 -- set Interface eth1 type=dummy -- \
  61    add-port br0 eth2 -- set Interface eth2 type=dummy])
  62 # Set up flow table for VLAN+MAC learning.
  63 AT_DATA([flows.txt], [[
  64 table=0 actions=learn(table=1, hard_timeout=60, NXM_OF_VLAN_TCI[0..11], NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[], output:NXM_OF_IN_PORT[]), resubmit(,1)
  65 table=1 priority=0 actions=flood
  66 ]])
  67 AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
  68
  69 # Trace an ARP packet arriving on port 3, to create a MAC learning entry.
  70 AT_CHECK([ovs-appctl ofproto/trace br0 'in_port(3),eth(src=50:54:00:00:00:05,dst=ff:ff:ff:ff:ff:ff),eth_type(0x0806),arp(sip=192.168.0.1,tip=192.168.0.2,op=1,sha=50:54:00:00:00:05,tha=00:00:00:00:00:00)' -generate], [0], [stdout])
  71 AT_CHECK([tail -1 stdout], [0], [Datapath actions: 2,0,1
  72 ])
  73
  74 # Check for the MAC learning entry.
  75 AT_CHECK([ovs-ofctl dump-flows br0 table=1 | STRIP_XIDS | STRIP_DURATION | sort], [0], [dnl
  76  cookie=0x0, duration=?s, table=1, n_packets=0, n_bytes=0, hard_timeout=60,vlan_tci=0x0000/0x0fff,dl_dst=50:54:00:00:00:05 actions=output:3
  77  cookie=0x0, duration=?s, table=1, n_packets=0, n_bytes=0, priority=0 actions=FLOOD
  78 NXST_FLOW reply:
  79 ])
  80
  81 # Trace a packet arrival destined for the learned MAC.
  82 # (This will also learn a MAC.)
  83 AT_CHECK([ovs-appctl ofproto/trace br0 'in_port(1),eth(src=50:54:00:00:00:06,dst=50:54:00:00:00:05),eth_type(0x0806),arp(sip=192.168.0.2,tip=192.168.0.1,op=2,sha=50:54:00:00:00:06,tha=50:54:00:00:00:05)' -generate], [0], [stdout])
  84 AT_CHECK([tail -1 stdout], [0], [Datapath actions: 3
  85 ])
  86
  87 # Check for both MAC learning entries.
  88 AT_CHECK([ovs-ofctl dump-flows br0 table=1 | STRIP_XIDS | STRIP_DURATION | sort], [0], [dnl
  89  cookie=0x0, duration=?s, table=1, n_packets=0, n_bytes=0, hard_timeout=60,vlan_tci=0x0000/0x0fff,dl_dst=50:54:00:00:00:05 actions=output:3
  90  cookie=0x0, duration=?s, table=1, n_packets=0, n_bytes=0, hard_timeout=60,vlan_tci=0x0000/0x0fff,dl_dst=50:54:00:00:00:06 actions=output:1
  91  cookie=0x0, duration=?s, table=1, n_packets=0, n_bytes=0, priority=0 actions=FLOOD
  92 NXST_FLOW reply:
  93 ])
  94
  95 # Trace a packet arrival that updates the first learned MAC entry.
  96 AT_CHECK([ovs-appctl ofproto/trace br0 'in_port(2),eth(src=50:54:00:00:00:05,dst=ff:ff:ff:ff:ff:ff),eth_type(0x0806),arp(sip=192.168.0.1,tip=192.168.0.2,op=1,sha=50:54:00:00:00:05,tha=00:00:00:00:00:00)' -generate], [0], [stdout])
  97 AT_CHECK([tail -1 stdout], [0], [Datapath actions: 3,0,1
  98 ])
  99
 100 # Check that the MAC learning entry was updated.
 101 AT_CHECK([ovs-ofctl dump-flows br0 table=1 | STRIP_XIDS | STRIP_DURATION | sort], [0], [dnl
 102  cookie=0x0, duration=?s, table=1, n_packets=0, n_bytes=0, hard_timeout=60,vlan_tci=0x0000/0x0fff,dl_dst=50:54:00:00:00:05 actions=output:2
 103  cookie=0x0, duration=?s, table=1, n_packets=0, n_bytes=0, hard_timeout=60,vlan_tci=0x0000/0x0fff,dl_dst=50:54:00:00:00:06 actions=output:1
 104  cookie=0x0, duration=?s, table=1, n_packets=0, n_bytes=0, priority=0 actions=FLOOD
 105 NXST_FLOW reply:
 106 ])
 107 OVS_VSWITCHD_STOP
 108 AT_CLEANUP