X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=tests%2Flearn.at;h=72452957d89a862d461ecceec4bf9d39dd85e675;hb=HEAD;hp=800dc147b7e23b422ad13fb2eff1d637bfa7eb2a;hpb=305b76debf72120672a8ba81d3356b6dccb1da9a;p=sliver-openvswitch.git diff --git a/tests/learn.at b/tests/learn.at index 800dc147b..72452957d 100644 --- a/tests/learn.at +++ b/tests/learn.at @@ -7,7 +7,7 @@ actions=learn(NXM_OF_VLAN_TCI[0..11], NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[], output: 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]) ]]) AT_CHECK([ovs-ofctl parse-flows flows.txt], [0], -[[usable protocols: any +[[usable protocols: any,OXM-OpenFlow14 chosen protocol: OpenFlow10-table_id OFPT_FLOW_MOD (xid=0x1): ADD actions=learn(table=1) 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:0xa->NXM_NX_REG0[5..10]) @@ -15,6 +15,28 @@ OFPT_FLOW_MOD (xid=0x3): ADD actions=learn(table=1,idle_timeout=10,hard_timeout= ]]) AT_CLEANUP +AT_SETUP([learning action - parsing and formatting - illegal in_port_oxm]) +AT_CHECK([[ovs-ofctl parse-flow 'actions=learn(table=1, in_port_oxm=123456)']], + [1], [], [stderr]) +AT_CHECK([sed -e 's/.*|ofp_util|WARN|//' < stderr], [0], + [[port 123456 is outside the supported range 0 through ffff or 0xffffff00 through 0xffffffff +ovs-ofctl: 123456: port value out of range for in_port_oxm +]], [[]]) +AT_CLEANUP + +AT_SETUP([learning action - parsing and formatting - OXM]) +AT_DATA([flows.txt], [[ +actions=learn(output:OXM_OF_IN_PORT[]) +actions=learn(table=1, in_port=1, load:OXM_OF_IN_PORT[]->NXM_NX_REG1[], load:0xfffffffe->OXM_OF_IN_PORT[]) +]]) +AT_CHECK([ovs-ofctl -O OpenFlow12 parse-flows flows.txt], [0], +[[usable protocols: any,OXM-OpenFlow14 +chosen protocol: OXM-OpenFlow12 +OFPT_FLOW_MOD (OF1.2) (xid=0x1): ADD actions=learn(table=1,output:OXM_OF_IN_PORT[]) +OFPT_FLOW_MOD (OF1.2) (xid=0x2): ADD actions=learn(table=1,in_port=1,load:OXM_OF_IN_PORT[]->NXM_NX_REG1[],load:0xfffffffe->OXM_OF_IN_PORT[]) +]]) +AT_CLEANUP + AT_SETUP([learning action - examples]) AT_DATA([flows.txt], [[ # These are the examples from nicira-ext.h. @@ -24,7 +46,7 @@ table=0 actions=learn(table=1,hard_timeout=10, NXM_OF_VLAN_TCI[0..11],output:NXM table=1 priority=0 actions=flood ]]) AT_CHECK([ovs-ofctl parse-flows flows.txt], [0], -[[usable protocols: OXM,OpenFlow10+table_id,NXM+table_id +[[usable protocols: OXM,OpenFlow10+table_id,NXM+table_id,OpenFlow11,OXM-OpenFlow14 chosen protocol: OpenFlow10+table_id 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]) 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[]) @@ -40,7 +62,7 @@ ip,actions=learn(load:NXM_OF_IP_DST[]->NXM_NX_REG1[]) ip,actions=learn(eth_type=0x800,OXM_OF_IPV4_DST[]) ]]) AT_CHECK([ovs-ofctl parse-flows flows.txt], [0], -[[usable protocols: any +[[usable protocols: any,OXM-OpenFlow14 chosen protocol: OpenFlow10-table_id OFPT_FLOW_MOD (xid=0x1): ADD actions=learn(table=1,eth_type=0x800,load:0x5->NXM_OF_IP_DST[]) OFPT_FLOW_MOD (xid=0x2): ADD ip actions=learn(table=1,load:NXM_OF_IP_DST[]->NXM_NX_REG1[]) @@ -50,12 +72,16 @@ AT_CLEANUP AT_SETUP([learning action - invalid prerequisites]) AT_CHECK([[ovs-ofctl parse-flow 'actions=learn(load:5->NXM_OF_IP_DST[])']], - [1], [], - [[ovs-ofctl: load:5->NXM_OF_IP_DST[]: cannot specify destination field ip_dst because prerequisites are not satisfied -]]) + [1], [], [stderr]) +AT_CHECK([sed -e 's/.*|meta_flow|WARN|//' < stderr], [0], + [[destination field ip_dst lacks correct prerequisites +ovs-ofctl: actions are invalid with specified match (OFPBAC_MATCH_INCONSISTENT) +]], [[]]) AT_CHECK([[ovs-ofctl parse-flow 'actions=learn(load:NXM_OF_IP_DST[]->NXM_NX_REG1[])']], - [1], [], - [[ovs-ofctl: load:NXM_OF_IP_DST[]->NXM_NX_REG1[]: cannot specify source field ip_dst because prerequisites are not satisfied + [1], [], [stderr]) +AT_CHECK([sed -e 's/.*|meta_flow|WARN|//' < stderr], [0], + [[source field ip_dst lacks correct prerequisites +ovs-ofctl: actions are invalid with specified match (OFPBAC_MATCH_INCONSISTENT) ]]) AT_CLEANUP @@ -73,7 +99,7 @@ AT_CHECK([ovs-ofctl add-flows br0 flows.txt]) # Trace an ARP packet arriving on port 3, to create a MAC learning entry. flow="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)" -AT_CHECK([ovs-appctl ofproto/trace br0 "$flow" -generate], [0], [stdout]) +AT_CHECK([ovs-appctl ofproto/trace ovs-dummy "$flow" -generate], [0], [stdout]) actual=`tail -1 stdout | sed 's/Datapath actions: //'` expected="1,2,100" @@ -90,7 +116,7 @@ NXST_FLOW reply: # Trace a packet arrival destined for the learned MAC. # (This will also learn a MAC.) -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]) +AT_CHECK([ovs-appctl ofproto/trace ovs-dummy '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]) AT_CHECK([tail -1 stdout], [0], [Datapath actions: 3 ]) @@ -104,7 +130,7 @@ NXST_FLOW reply: # Trace a packet arrival that updates the first learned MAC entry. flow="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)" -AT_CHECK([ovs-appctl ofproto/trace br0 "$flow" -generate], [0], [stdout]) +AT_CHECK([ovs-appctl ofproto/trace ovs-dummy "$flow" -generate], [0], [stdout]) actual=`tail -1 stdout | sed 's/Datapath actions: //'` expected="1,3,100" @@ -145,7 +171,7 @@ AT_CHECK([ovs-ofctl add-flows br0 flows.txt]) # Trace an ICMP packet arriving on port 3, to create a MAC learning entry. flow="in_port(3),eth(src=50:54:00:00:00:07,dst=50:54:00:00:00:05),eth_type(0x0800),ipv4(src=192.168.0.2,dst=192.168.0.1,proto=1,tos=0,ttl=64,frag=no),icmp(type=0,code=0)" -AT_CHECK([ovs-appctl ofproto/trace br0 "$flow" -generate], [0], [stdout]) +AT_CHECK([ovs-appctl ofproto/trace ovs-dummy "$flow" -generate], [0], [stdout]) actual=`tail -1 stdout | sed 's/Datapath actions: //'` expected="1,2,100" @@ -164,7 +190,7 @@ NXST_FLOW reply: # disappear as long as we refresh it every second. for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25; do ovs-appctl time/warp 1000 - AT_CHECK([ovs-appctl ofproto/trace br0 "$flow" -generate], [0], [stdout]) + AT_CHECK([ovs-appctl ofproto/trace ovs-dummy "$flow" -generate], [0], [stdout]) # Check that the entry is there. AT_CHECK([ovs-ofctl dump-flows br0 table=1], [0], [stdout]) @@ -190,7 +216,8 @@ done ovs-appctl time/warp 5000 ovs-appctl time/warp 5000 ovs-appctl time/warp 5000 - AT_CHECK([ovs-ofctl dump-flows br0 table=1 | ofctl_strip | sort], [0], [dnl +sleep 1 +AT_CHECK([ovs-ofctl dump-flows br0 table=1 | ofctl_strip | sort], [0], [dnl table=1, priority=0 actions=FLOOD NXST_FLOW reply: ]) @@ -207,7 +234,7 @@ AT_CHECK([[ovs-ofctl add-flow br0 'table=0 tcp actions=learn(table=1, hard_timeo # Trace a TCPv4 packet arriving on port 3. flow="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)" -AT_CHECK([ovs-appctl ofproto/trace br0 "$flow" -generate], [0], [stdout]) +AT_CHECK([ovs-appctl ofproto/trace ovs-dummy "$flow" -generate], [0], [stdout]) actual=`tail -1 stdout | sed 's/Datapath actions: //'` expected="1,2,100" @@ -235,7 +262,7 @@ AT_CHECK([[ovs-ofctl add-flow br0 'table=0 tcp6 actions=learn(table=1, hard_time # Trace a TCPv6 packet arriving on port 3. flow="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)" -AT_CHECK([ovs-appctl ofproto/trace br0 "$flow" -generate], [0], [stdout]) +AT_CHECK([ovs-appctl ofproto/trace ovs-dummy "$flow" -generate], [0], [stdout]) actual=`tail -1 stdout | sed 's/Datapath actions: //'` expected="1,2,100" @@ -252,6 +279,193 @@ NXST_FLOW reply: OVS_VSWITCHD_STOP AT_CLEANUP +# In this use of a learn action, the first packet in the flow creates +# a new flow that changes the behavior of subsequent packets in the +# flow. +AT_SETUP([learning action - self-modifying flow]) +OVS_VSWITCHD_START +ADD_OF_PORTS([br0], 1, 2, 3) + +ovs-appctl time/stop +# Set up flow table for TCPv4 port learning. +AT_CHECK([[ovs-ofctl add-flow br0 'actions=load:3->NXM_NX_REG0[0..15],learn(table=0,priority=65535,NXM_OF_ETH_SRC[],NXM_OF_VLAN_TCI[0..11],output:NXM_NX_REG0[0..15]),output:2']]) + +# Trace some packets arriving. The particular packets don't matter. +for i in 1 2 3 4 5 6 7 8 9 10; do + ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)' + ovs-appctl time/warp 10 + if [[ $i -eq 1 ]]; then + sleep 1 + fi +done + +# Check for the learning entry. +ovs-appctl time/warp 1000 +AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], +[[ n_packets=1, n_bytes=60, actions=load:0x3->NXM_NX_REG0[0..15],learn(table=0,priority=65535,NXM_OF_ETH_SRC[],NXM_OF_VLAN_TCI[0..11],output:NXM_NX_REG0[0..15]),output:2 + n_packets=9, n_bytes=540, priority=65535,vlan_tci=0x0000/0x0fff,dl_src=50:54:00:00:00:05 actions=output:3 +NXST_FLOW reply: +]]) + +# Check that the first packet went out port 2 and the rest out port 3. +AT_CHECK( + [(ovs-ofctl dump-ports br0 2; ovs-ofctl dump-ports br0 3) | STRIP_XIDS], [0], + [OFPST_PORT reply: 1 ports + port 2: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0 + tx pkts=1, bytes=60, drop=0, errs=0, coll=0 +OFPST_PORT reply: 1 ports + port 3: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0 + tx pkts=9, bytes=540, drop=0, errs=0, coll=0 +]) + +OVS_VSWITCHD_STOP +AT_CLEANUP + +# This test is much like the previous, but adds idle timeouts and sends +# two different flows to the bridge. This tests that the statistics are +# attributed correctly. +AT_SETUP([learning action - self-modifying flow with idle_timeout]) +OVS_VSWITCHD_START +ADD_OF_PORTS([br0], 1, 2, 3) + +ovs-appctl time/stop +# Set up flow table for TCPv4 port learning. +AT_CHECK([[ovs-ofctl add-flow br0 'actions=load:3->NXM_NX_REG0[0..15],learn(table=0,idle_timeout=5,priority=65535,NXM_OF_ETH_SRC[],NXM_OF_VLAN_TCI[0..11],output:NXM_NX_REG0[0..15]),output:2']]) + +# Trace some packets arriving. The particular packets don't matter. +for i in `seq 1 10`; do + ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)' + ovs-appctl time/warp 10 + if [[ $i -eq 1 ]]; then + sleep 1 + fi +done + +# Trace some packets arriving. This is is a different flow from the previous. +# Note that we advance time by 1 second between each packet here. +for i in `seq 1 10`; do + ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:06,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)' + ovs-appctl time/warp 1000 + # Note: netdev-dummy/receive merely queues the packet. + # We need to wait for other thread to process the packet + # and update the flow's 'used' for the packet. + # (i % 3 == 0) below is somehow arbitrary but chosen to ensure + # that we update the flow's 'used' frequently enough to prevent + # idle_timeout. + if [[ $i -eq 1 -o $((i % 3)) -eq 0 ]]; then + sleep 1 + fi +done + +# Check that the first packet of each flow went out port 2 and the rest out +# port 3. +AT_CHECK( + [(ovs-ofctl dump-ports br0 2; ovs-ofctl dump-ports br0 3) | STRIP_XIDS], [0], + [OFPST_PORT reply: 1 ports + port 2: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0 + tx pkts=2, bytes=120, drop=0, errs=0, coll=0 +OFPST_PORT reply: 1 ports + port 3: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0 + tx pkts=18, bytes=1080, drop=0, errs=0, coll=0 +]) + +# Check for the learning entry. +ovs-appctl time/warp 1000 +AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], +[[ n_packets=2, n_bytes=120, actions=load:0x3->NXM_NX_REG0[0..15],learn(table=0,idle_timeout=5,priority=65535,NXM_OF_ETH_SRC[],NXM_OF_VLAN_TCI[0..11],output:NXM_NX_REG0[0..15]),output:2 + n_packets=9, n_bytes=540, idle_timeout=5, priority=65535,vlan_tci=0x0000/0x0fff,dl_src=50:54:00:00:00:06 actions=output:3 +NXST_FLOW reply: +]]) +OVS_VSWITCHD_STOP +AT_CLEANUP + +# This test is much like the previous, but adds hard timeouts and sends +# two different flows to the bridge. This tests that the statistics are +# attributed correctly. +AT_SETUP([learning action - self-modifying flow with hard_timeout]) +OVS_VSWITCHD_START +ADD_OF_PORTS([br0], 1, 2, 3) + +ovs-appctl time/stop +# Set up flow table for TCPv4 port learning. +AT_CHECK([[ovs-ofctl add-flow br0 'actions=load:3->NXM_NX_REG0[0..15],learn(table=0,hard_timeout=10,priority=65535,NXM_OF_ETH_SRC[],NXM_OF_VLAN_TCI[0..11],output:NXM_NX_REG0[0..15]),output:2']]) + +# Trace some packets arriving. The particular packets don't matter. +for i in `seq 1 10`; do + ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)' + if [[ $i -eq 1 ]]; then + sleep 1 + fi + ovs-appctl time/warp 10 +done + +# Trace some packets arriving. This is is a different flow from the previous. +# Note that we advance time by 2 second between each packet here. +for i in `seq 1 10`; do + ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:06,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)' + # Note: hard_timeout should fire immediately after #6 packet. + # #7 packet re-install the flow and the following 3 packets + # (#8, #9, #10) use the flow. + # it's difficult to predict the exact timing of rule expiry + # because it's affected by flow dumper thread via udpif_dump_seq. + # hard_timeout value for this test was chosen to overcome the uncertainty. + # + # receive #1 learn, install flow with hard_timeout=10 + # sleep to ensure the flow installation + # (warp, timeout left 8s) + # receive #2 the learned flow + # (warp, timeout left 6s) + # receive #3 + # (warp, timeout left 4s) + # receive #4 + # (warp, timeout left 2s) + # receive #5 + # (warp, timeout left 0s) + # NOTE: OVS does not consider this expired yet. cf. rule_expire() + # receive #6 + # (warp, timeout left -2s) + # sleep to ensure flow expiration + # receive #7 learn, install flow with hard_timeout=10 + # sleep to ensure the flow installation + # (warp, timeout left 8s) + # receive #8 + # (warp, timeout left 6s) + # receive #9 + # (warp, timeout left 4s) + # receive #10 + # (warp, timeout left 2s) + if [[ $i -eq 1 -o $i -eq 7 ]]; then + sleep 1 + fi + ovs-appctl time/warp 2000 + if [[ $i -eq 6 ]]; then + sleep 1 + fi +done + +# Check that the first packet of each flow went out port 2 and the rest out +# port 3. +AT_CHECK( + [(ovs-ofctl dump-ports br0 2; ovs-ofctl dump-ports br0 3) | STRIP_XIDS], [0], + [OFPST_PORT reply: 1 ports + port 2: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0 + tx pkts=3, bytes=180, drop=0, errs=0, coll=0 +OFPST_PORT reply: 1 ports + port 3: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0 + tx pkts=17, bytes=1020, drop=0, errs=0, coll=0 +]) + +# Check for the learning entry. +ovs-appctl time/warp 1000 +sleep 1 +AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], +[[ n_packets=3, n_bytes=180, actions=load:0x3->NXM_NX_REG0[0..15],learn(table=0,hard_timeout=10,priority=65535,NXM_OF_ETH_SRC[],NXM_OF_VLAN_TCI[0..11],output:NXM_NX_REG0[0..15]),output:2 + n_packets=3, n_bytes=180, hard_timeout=10, priority=65535,vlan_tci=0x0000/0x0fff,dl_src=50:54:00:00:00:06 actions=output:3 +NXST_FLOW reply: +]]) +OVS_VSWITCHD_STOP +AT_CLEANUP + AT_SETUP([learning action - fin_timeout feature]) # This is a totally artificial use of the "learn" action. The only purpose # is to check that specifying fin_idle_timeout or fin_hard_timeout causes @@ -259,7 +473,7 @@ AT_SETUP([learning action - fin_timeout feature]) OVS_VSWITCHD_START( [add-port br0 p1 -- set Interface p1 type=dummy ofport_request=1]) 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[])']]) -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]) +AT_CHECK([ovs-appctl ofproto/trace ovs-dummy '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]) AT_CHECK([ovs-ofctl dump-flows br0 table=1 | ofctl_strip], [0], [NXST_FLOW reply: table=1, dl_dst=50:54:00:00:00:05 actions=fin_timeout(idle_timeout=5,hard_timeout=10),output:1