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 [[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=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])
  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 | ofctl_strip | sort], [0], [dnl
  76  table=1, hard_timeout=60,vlan_tci=0x0000/0x0fff,dl_dst=50:54:00:00:00:05 actions=output:3
  77  table=1, 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 | ofctl_strip |sort], [0], [dnl
  89  table=1, hard_timeout=60,vlan_tci=0x0000/0x0fff,dl_dst=50:54:00:00:00:05 actions=output:3
  90  table=1, hard_timeout=60,vlan_tci=0x0000/0x0fff,dl_dst=50:54:00:00:00:06 actions=output:1
  91  table=1, 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 | ofctl_strip | sort], [0], [dnl
 102  table=1, hard_timeout=60,vlan_tci=0x0000/0x0fff,dl_dst=50:54:00:00:00:05 actions=output:2
 103  table=1, hard_timeout=60,vlan_tci=0x0000/0x0fff,dl_dst=50:54:00:00:00:06 actions=output:1
 104  table=1, priority=0 actions=FLOOD
 105 NXST_FLOW reply:
 106 ])
 107 OVS_VSWITCHD_STOP
 108 AT_CLEANUP
 109
 110 AT_SETUP([learning action - TCPv4 port learning])
 111 OVS_VSWITCHD_START(
 112   [add-port br0 eth0 -- set Interface eth0 type=dummy -- \
 113    add-port br0 eth1 -- set Interface eth1 type=dummy -- \
 114    add-port br0 eth2 -- set Interface eth2 type=dummy])
 115 # Set up flow table for TCPv4 port learning.
 116 AT_CHECK([[ovs-ofctl add-flow br0 'table=0 tcp actions=learn(table=1, hard_timeout=60, eth_type=0x800, nw_proto=6, NXM_OF_IP_SRC[]=NXM_OF_IP_DST[], NXM_OF_IP_DST[]=NXM_OF_IP_SRC[], NXM_OF_TCP_SRC[]=NXM_OF_TCP_DST[], NXM_OF_TCP_DST[]=NXM_OF_TCP_SRC[]), flood']])
 117
 118 # Trace a TCPv4 packet arriving on port 3.
 119 AT_CHECK([ovs-appctl ofproto/trace br0 'in_port(3),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:06),eth_type(0x0800),ipv4(src=192.168.0.2,dst=192.168.0.1,proto=6,tos=0,ttl=64,frag=no),tcp(src=40000,dst=80)' -generate], [0], [stdout])
 120 AT_CHECK([tail -1 stdout], [0], [Datapath actions: 2,0,1
 121 ])
 122
 123 # Check for the learning entry.
 124 AT_CHECK([ovs-ofctl dump-flows br0 table=1 | ofctl_strip | sort], [0], [dnl
 125  table=1, hard_timeout=60,tcp,nw_src=192.168.0.1,nw_dst=192.168.0.2,tp_src=80,tp_dst=40000 actions=drop
 126 NXST_FLOW reply:
 127 ])
 128 OVS_VSWITCHD_STOP
 129 AT_CLEANUP
 130
 131 AT_SETUP([learning action - TCPv6 port learning])
 132 OVS_VSWITCHD_START(
 133   [add-port br0 eth0 -- set Interface eth0 type=dummy -- \
 134    add-port br0 eth1 -- set Interface eth1 type=dummy -- \
 135    add-port br0 eth2 -- set Interface eth2 type=dummy])
 136 # Set up flow table for TCPv6 port learning.
 137 # Also add a 128-bit-wide "load" action and a 128-bit literal match to check
 138 # that they work.
 139 AT_CHECK([[ovs-ofctl add-flow br0 'table=0 tcp6 actions=learn(table=1, hard_timeout=60, eth_type=0x86dd, nw_proto=6, NXM_NX_IPV6_SRC[]=NXM_NX_IPV6_DST[], ipv6_dst=2001:0db8:85a3:0000:0000:8a2e:0370:7334, NXM_OF_TCP_SRC[]=NXM_OF_TCP_DST[], NXM_OF_TCP_DST[]=NXM_OF_TCP_SRC[], load(0x20010db885a308d313198a2e03707348->NXM_NX_IPV6_DST[])), flood']])
 140
 141 # Trace a TCPv6 packet arriving on port 3.
 142 AT_CHECK([ovs-appctl ofproto/trace br0 'in_port(3),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:06),eth_type(0x86dd),ipv6(src=fec0::2,dst=fec0::1,label=0,proto=6,tclass=0,hlimit=255,frag=no),tcp(src=40000,dst=80)' -generate], [0], [stdout])
 143 AT_CHECK([tail -1 stdout], [0], [Datapath actions: 2,0,1
 144 ])
 145
 146 # Check for the learning entry.
 147 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 148  table=1, hard_timeout=60,tcp6,ipv6_src=fec0::1,ipv6_dst=2001:db8:85a3::8a2e:370:7334,tp_src=80,tp_dst=40000 actions=load:0x13198a2e03707348->NXM_NX_IPV6_DST[[0..63]],load:0x20010db885a308d3->NXM_NX_IPV6_DST[[64..127]]
 149  tcp6 actions=learn(table=1,hard_timeout=60,eth_type=0x86dd,nw_proto=6,NXM_NX_IPV6_SRC[[]]=NXM_NX_IPV6_DST[[]],ipv6_dst=2001:db8:85a3::8a2e:370:7334,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],NXM_OF_TCP_DST[[]]=NXM_OF_TCP_SRC[[]],load:0x20010db885a308d313198a2e03707348->NXM_NX_IPV6_DST[[]]),FLOOD
 150 NXST_FLOW reply:
 151 ])
 152 OVS_VSWITCHD_STOP
 153 AT_CLEANUP
 154
 155 AT_SETUP([learning action - fin_timeout feature])
 156 # This is a totally artificial use of the "learn" action.  The only purpose
 157 # is to check that specifying fin_idle_timeout or fin_hard_timeout causes
 158 # a corresponding fin_timeout action to end up in the learned flows.
 159 OVS_VSWITCHD_START
 160 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[])']])
 161 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])
 162 AT_CHECK([ovs-ofctl dump-flows br0 table=1 | ofctl_strip], [0],
 163 [NXST_FLOW reply:
 164  table=1, dl_dst=50:54:00:00:00:05 actions=fin_timeout(idle_timeout=5,hard_timeout=10),output:1
 165 ])
 166 OVS_VSWITCHD_STOP
 167 AT_CLEANUP