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=10, hard_timeout=20, fin_idle_timeout=5, fin_hard_timeout=10, 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 [[usable protocols: any
  11 chosen protocol: OpenFlow10-table_id
  12 OFPT_FLOW_MOD (xid=0x1): ADD actions=learn(table=1)
  13 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])
  14 OFPT_FLOW_MOD (xid=0x3): ADD actions=learn(table=1,idle_timeout=10,hard_timeout=20,fin_idle_timeout=5,fin_hard_timeout=10,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])
  15 ]])
  16 AT_CLEANUP
  17
  18 AT_SETUP([learning action - examples])
  19 AT_DATA([flows.txt], [[
  20 # These are the examples from nicira-ext.h.
  21 actions=learn(in_port=99,NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[], load:NXM_OF_IN_PORT[]->NXM_NX_REG1[16..31])
  22 actions=learn(NXM_OF_VLAN_TCI[0..11], NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[],output:NXM_OF_IN_PORT[])
  23 table=0 actions=learn(table=1,hard_timeout=10, NXM_OF_VLAN_TCI[0..11],output:NXM_OF_IN_PORT[]), resubmit(,1)
  24 table=1 priority=0 actions=flood
  25 ]])
  26 AT_CHECK([ovs-ofctl parse-flows flows.txt], [0],
  27 [[usable protocols: OpenFlow10+table_id,NXM+table_id
  28 chosen protocol: OpenFlow10+table_id
  29 OFPT_FLOW_MOD (xid=0x1): ADD table:255 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])
  30 OFPT_FLOW_MOD (xid=0x2): ADD table:255 actions=learn(table=1,NXM_OF_VLAN_TCI[0..11],NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[],output:NXM_OF_IN_PORT[])
  31 OFPT_FLOW_MOD (xid=0x3): ADD actions=learn(table=1,hard_timeout=10,NXM_OF_VLAN_TCI[0..11],output:NXM_OF_IN_PORT[]),resubmit(,1)
  32 OFPT_FLOW_MOD (xid=0x4): ADD table:1 priority=0 actions=FLOOD
  33 ]])
  34 AT_CLEANUP
  35
  36 AT_SETUP([learning action - satisfied prerequisites])
  37 AT_DATA([flows.txt],
  38 [[actions=learn(eth_type=0x800,load:5->NXM_OF_IP_DST[])
  39 ip,actions=learn(load:NXM_OF_IP_DST[]->NXM_NX_REG1[])
  40 ip,actions=learn(eth_type=0x800,NXM_OF_IP_DST[])
  41 ]])
  42 AT_CHECK([ovs-ofctl parse-flows flows.txt], [0],
  43 [[usable protocols: any
  44 chosen protocol: OpenFlow10-table_id
  45 OFPT_FLOW_MOD (xid=0x1): ADD actions=learn(table=1,eth_type=0x800,load:0x00000005->NXM_OF_IP_DST[])
  46 OFPT_FLOW_MOD (xid=0x2): ADD ip actions=learn(table=1,load:NXM_OF_IP_DST[]->NXM_NX_REG1[])
  47 OFPT_FLOW_MOD (xid=0x3): ADD ip actions=learn(table=1,eth_type=0x800,NXM_OF_IP_DST[])
  48 ]])
  49 AT_CLEANUP
  50
  51 AT_SETUP([learning action - invalid prerequisites])
  52 AT_CHECK([[ovs-ofctl parse-flow 'actions=learn(load:5->NXM_OF_IP_DST[])']],
  53   [1], [],
  54   [[ovs-ofctl: load:5->NXM_OF_IP_DST[]: cannot specify destination field ip_dst because prerequisites are not satisfied
  55 ]])
  56 AT_CHECK([[ovs-ofctl parse-flow 'actions=learn(load:NXM_OF_IP_DST[]->NXM_NX_REG1[])']],
  57   [1], [],
  58   [[ovs-ofctl: load:NXM_OF_IP_DST[]->NXM_NX_REG1[]: cannot specify source field ip_dst because prerequisites are not satisfied
  59 ]])
  60 AT_CLEANUP
  61
  62 AT_SETUP([learning action - standard VLAN+MAC learning])
  63 OVS_VSWITCHD_START(
  64   [add-port br0 eth0 -- set Interface eth0 type=dummy -- \
  65    add-port br0 eth1 -- set Interface eth1 type=dummy -- \
  66    add-port br0 eth2 -- set Interface eth2 type=dummy])
  67 # Set up flow table for VLAN+MAC learning.
  68 AT_DATA([flows.txt], [[
  69 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)
  70 table=1 priority=0 actions=flood
  71 ]])
  72 AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
  73
  74 # Trace an ARP packet arriving on port 3, to create a MAC learning entry.
  75 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])
  76 AT_CHECK([tail -1 stdout], [0], [Datapath actions: 2,0,1
  77 ])
  78
  79 # Check for the MAC learning entry.
  80 AT_CHECK([ovs-ofctl dump-flows br0 table=1 | ofctl_strip | sort], [0], [dnl
  81  table=1, hard_timeout=60,vlan_tci=0x0000/0x0fff,dl_dst=50:54:00:00:00:05 actions=output:3
  82  table=1, priority=0 actions=FLOOD
  83 NXST_FLOW reply:
  84 ])
  85
  86 # Trace a packet arrival destined for the learned MAC.
  87 # (This will also learn a MAC.)
  88 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])
  89 AT_CHECK([tail -1 stdout], [0], [Datapath actions: 3
  90 ])
  91
  92 # Check for both MAC learning entries.
  93 AT_CHECK([ovs-ofctl dump-flows br0 table=1 | ofctl_strip |sort], [0], [dnl
  94  table=1, hard_timeout=60,vlan_tci=0x0000/0x0fff,dl_dst=50:54:00:00:00:05 actions=output:3
  95  table=1, hard_timeout=60,vlan_tci=0x0000/0x0fff,dl_dst=50:54:00:00:00:06 actions=output:1
  96  table=1, priority=0 actions=FLOOD
  97 NXST_FLOW reply:
  98 ])
  99
 100 # Trace a packet arrival that updates the first learned MAC entry.
 101 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])
 102 AT_CHECK([tail -1 stdout], [0], [Datapath actions: 3,0,1
 103 ])
 104
 105 # Check that the MAC learning entry was updated.
 106 AT_CHECK([ovs-ofctl dump-flows br0 table=1 | ofctl_strip | sort], [0], [dnl
 107  table=1, hard_timeout=60,vlan_tci=0x0000/0x0fff,dl_dst=50:54:00:00:00:05 actions=output:2
 108  table=1, hard_timeout=60,vlan_tci=0x0000/0x0fff,dl_dst=50:54:00:00:00:06 actions=output:1
 109  table=1, priority=0 actions=FLOOD
 110 NXST_FLOW reply:
 111 ])
 112 OVS_VSWITCHD_STOP
 113 AT_CLEANUP
 114
 115 AT_SETUP([learning action - fin_timeout feature])
 116 # This is a totally artificial use of the "learn" action.  The only purpose
 117 # is to check that specifying fin_idle_timeout or fin_hard_timeout causes
 118 # a corresponding fin_timeout action to end up in the learned flows.
 119 OVS_VSWITCHD_START
 120 AT_CHECK([[ovs-ofctl add-flow br0 'actions=learn(fin_hard_timeout=10, fin_idle_timeout=5, NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[], output:NXM_OF_IN_PORT[])']])
 121 AT_CHECK([ovs-appctl ofproto/trace br0 'in_port(1),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], [ignore])
 122 AT_CHECK([ovs-ofctl dump-flows br0 table=1 | ofctl_strip], [0],
 123 [NXST_FLOW reply:
 124  table=1, dl_dst=50:54:00:00:00:05 actions=fin_timeout(idle_timeout=5,hard_timeout=10),output:1
 125 ])
 126 OVS_VSWITCHD_STOP
 127 AT_CLEANUP