Make it more stupid - forget about tables
This commit is contained in:
Nico Schottelius
parent
e13d0b974d
commit
53ce47a54e
6 changed files with 298 additions and 36 deletions
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@ -6,5 +6,6 @@ for i in range(1,65):
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addr = ipaddress.IPv4Address("10.0.0.{}".format(i))
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ip_int = int(addr)
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# print("table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port {} => 1 {} {} 0 0".format(ip_int, i, i))
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print("table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port {} => {} {} 0 0 0".format(ip_int, i, i))
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print("table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port {} => 1 {} {} 0 0".format(ip_int, i, i))
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# print("table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port {} => {} {} 0 0 0".format(ip_int, i, i))
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# print("table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port {} => {} {} {} 0 0".format(ip_int, i, i))
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248
doc/plan.org
248
doc/plan.org
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@ -7279,11 +7279,11 @@ nf_port_map = {
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- esprimo either nf0 & nf1
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- or esprimo nf2 & nf3
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| port 0 | 1 | eth1@ nsg ?! likely: esprimo enp2s0f0 | |
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| port 1 | 4 | likely: esprimo enp2s0f1 | |
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| port 2 | 16 | not connected likely | |
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| port 3 | 64 | eth1 @ nsg | PROBALY NOT, probably 1! |
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| | | | |
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| port 0 | 0b00000001 | 1 | eth1@ nsg ?! likely: esprimo enp2s0f0 | |
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| port 1 | 0b00000100 | 4 | likely: esprimo enp2s0f1 | |
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| port 2 | 0b00010000 | 16 | not connected likely | |
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| port 3 | 0b01000000 | 64 | eth1 @ nsg | PROBALY NOT, probably 1! |
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| | | | | |
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*** DONE 2019-07-28: testing with port = 64 (first or last in theory): LAST! WORKS!
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CLOSED: [2019-07-28 Sun 13:19]
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@ -7464,8 +7464,8 @@ success
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#+END_CENTER
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*** TODO 2019-07-28: trying all ports with ipv4
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*** DONE 2019-07-28: trying all ports with ipv4: no result from nmap -sP 10.0.0.1
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CLOSED: [2019-07-28 Sun 19:01]
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#+BEGIN_CENTER
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[16:26] line:bin% python3 gen_v4_table_test_entries.py
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772161 => 1 1 1 0 0
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@ -7611,8 +7611,8 @@ table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772224 =>
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also does not work/add packets
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*** TODO 2019-07-28: Bit / byte order issues?
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*** DONE 2019-07-28: Bit / byte order issues? -> not reacting
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CLOSED: [2019-07-28 Sun 19:01]
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#+BEGIN_CENTER
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>> table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 16777226 => 1 1 1 0 0
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fields = [(u'hit', 1), (u'action_run', 3), (u'out_port', 8), (u'out_port', 8), (u'mac_addr', 48), (u'task', 16), (u'table_id', 16)]
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@ -7749,6 +7749,236 @@ nico@nsg-System:~$
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#+END_CENTER
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*** DONE 2019-07-28: compile time around 2.5h
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CLOSED: [2019-07-28 Sun 19:37]
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*** DONE 2019-07-28: direct loading works / no 2nd reboot necessary
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CLOSED: [2019-07-28 Sun 19:50]
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#+BEGIN_CENTER
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nico@nsg-System:~/master-thesis$ ./bin/build-load-drivers.sh
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+ cd /home/nico/projects/P4-NetFPGA/lib/sw/std/driver/sume_riffa_v1_0_0
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+ sudo modprobe -r sume_riffa
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+ make clean
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make -C /lib/modules/4.15.0-55-generic/build M=/home/nico/projects/P4-NetFPGA/lib/sw/std/driver/sume_riffa_v1_0_0 clean
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make[1]: Entering directory '/usr/src/linux-headers-4.15.0-55-generic'
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CLEAN /home/nico/projects/P4-NetFPGA/lib/sw/std/driver/sume_riffa_v1_0_0/.tmp_versions
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CLEAN /home/nico/projects/P4-NetFPGA/lib/sw/std/driver/sume_riffa_v1_0_0/Module.symvers
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make[1]: Leaving directory '/usr/src/linux-headers-4.15.0-55-generic'
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+ make all
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make -C /lib/modules/4.15.0-55-generic/build M=/home/nico/projects/P4-NetFPGA/lib/sw/std/driver/sume_riffa_v1_0_0 modules
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make[1]: Entering directory '/usr/src/linux-headers-4.15.0-55-generic'
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CC [M] /home/nico/projects/P4-NetFPGA/lib/sw/std/driver/sume_riffa_v1_0_0/sume_riffa.o
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Building modules, stage 2.
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MODPOST 1 modules
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CC /home/nico/projects/P4-NetFPGA/lib/sw/std/driver/sume_riffa_v1_0_0/sume_riffa.mod.o
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LD [M] /home/nico/projects/P4-NetFPGA/lib/sw/std/driver/sume_riffa_v1_0_0/sume_riffa.ko
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make[1]: Leaving directory '/usr/src/linux-headers-4.15.0-55-generic'
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+ sudo make install
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make -C /lib/modules/4.15.0-55-generic/build M=/home/nico/projects/P4-NetFPGA/lib/sw/std/driver/sume_riffa_v1_0_0 modules
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make[1]: Entering directory '/usr/src/linux-headers-4.15.0-55-generic'
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Building modules, stage 2.
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MODPOST 1 modules
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make[1]: Leaving directory '/usr/src/linux-headers-4.15.0-55-generic'
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install -o root -g root -m 0755 -d /lib/modules/4.15.0-55-generic/extra/sume_riffa/
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install -o root -g root -m 0755 sume_riffa.ko /lib/modules/4.15.0-55-generic/extra/sume_riffa/
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depmod -a 4.15.0-55-generic
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+ sudo modprobe sume_riffa
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+ lsmod
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+ grep sume_riffa
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sume_riffa 28672 0
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nico@nsg-System:~/master-thesis$ ip l
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1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
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link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
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2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000
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link/ether 74:d0:2b:98:38:f6 brd ff:ff:ff:ff:ff:ff
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3: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
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link/ether f8:f2:1e:41:44:9c brd ff:ff:ff:ff:ff:ff
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4: eth2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
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link/ether f8:f2:1e:41:44:9d brd ff:ff:ff:ff:ff:ff
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5: wg0: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1420 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
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link/none
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6: nf0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
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link/ether 02:53:55:4d:45:00 brd ff:ff:ff:ff:ff:ff
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7: nf1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
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link/ether 02:53:55:4d:45:01 brd ff:ff:ff:ff:ff:ff
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8: nf2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
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link/ether 02:53:55:4d:45:02 brd ff:ff:ff:ff:ff:ff
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9: nf3: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
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link/ether 02:53:55:4d:45:03 brd ff:ff:ff:ff:ff:ff
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nico@nsg-System:~/master-thesis$
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#+END_CENTER
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*** TODO 2019-07-28: v4_networks only test [v6.9]: set_egress_port(4) => does not exit anywhere; table for port1 does not work?
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#+BEGIN_CENTER
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>> list_cam_tables
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----------------------
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realmain_v4_networks_0 :
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----------------------
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{u'action_ids': {u'.NoAction': 6,
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u'TopPipe.realmain.controller_debug': 3,
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u'TopPipe.realmain.controller_debug_table_id': 5,
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u'TopPipe.realmain.controller_reply': 4,
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u'TopPipe.realmain.set_egress_port': 1,
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u'TopPipe.realmain.set_egress_port_and_mac': 2},
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u'annotations': {u'Xilinx_ExternallyConnected': [u'0'],
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u'Xilinx_LookupEngineType': [u'EM'],
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u'name': [u'TopPipe.realmain.v4_networks']},
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u'match_type': u'EM',
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u'p4_name': u'realmain_v4_networks_0',
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u'px_class': u'LookupEngine',
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u'px_name': u'realmain_v4_networks_0',
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u'px_type_name': u'realmain_v4_networks_0_t',
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u'request_fields': [{u'p4_name': u'hdr.ipv4.dst_addr',
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u'px_name': u'lookup_request_key',
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u'size': 32,
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u'type': u'bits'}],
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u'response_fields': [{u'px_name': u'hit', u'size': 1, u'type': u'bits'},
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{u'px_name': u'action_run',
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u'size': 3,
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u'type': u'bits'},
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{u'fields': [{u'px_name': u'out_port',
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u'size': 8,
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u'type': u'bits'}],
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u'p4_action': u'TopPipe.realmain.set_egress_port',
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u'px_name': u'realmain_set_egress_port',
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u'type': u'struct'},
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{u'fields': [{u'px_name': u'out_port',
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u'size': 8,
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u'type': u'bits'},
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{u'px_name': u'mac_addr',
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u'size': 48,
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u'type': u'bits'}],
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u'p4_action': u'TopPipe.realmain.set_egress_port_and_mac',
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u'px_name': u'realmain_set_egress_port_and_mac',
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u'type': u'struct'},
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{u'fields': [{u'px_name': u'task',
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u'size': 16,
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u'type': u'bits'}],
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u'p4_action': u'TopPipe.realmain.controller_reply',
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u'px_name': u'realmain_controller_reply',
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u'type': u'struct'},
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{u'fields': [{u'px_name': u'table_id',
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u'size': 16,
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u'type': u'bits'}],
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u'p4_action': u'TopPipe.realmain.controller_debug_table_id',
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u'px_name': u'realmain_controller_debug_table_id',
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u'type': u'struct'}]}
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>>
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#+END_CENTER
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Adding rule for port1:
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#+BEGIN_CENTER
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772161 => 1 1 1 0 0
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nico@ESPRIMO-P956:~$ sudo ip neighbor add 10.0.0.1 lladdr f8:f2:1e:41:44:9c dev enp2s0f0
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nico@ESPRIMO-P956:~/master-thesis/bin$ sudo ip addr add 10.0.0.200/24 dev enp2s0f1
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nico@ESPRIMO-P956:~/master-thesis/bin$ sudo ip neighbor del 10.0.0.1 dev enp2s0f1
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nico@ESPRIMO-P956:~/master-thesis/bin$ sudo ip neighbor del 10.0.0.1 dev enp2s0f0
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nico@ESPRIMO-P956:~/master-thesis/bin$ sudo ip neighbor add 10.0.0.1 lladdr f8:f2:1e:41:44:9c dev enp2s0f0
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!
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#+END_CENTER
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Trying all 64 possibilities:
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#+BEGIN_CENTER
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772161 => 1 1 1 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772162 => 1 2 2 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772163 => 1 3 3 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772164 => 1 4 4 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772165 => 1 5 5 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772166 => 1 6 6 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772167 => 1 7 7 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772168 => 1 8 8 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772169 => 1 9 9 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772170 => 1 10 10 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772171 => 1 11 11 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772172 => 1 12 12 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772173 => 1 13 13 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772174 => 1 14 14 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772175 => 1 15 15 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772176 => 1 16 16 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772177 => 1 17 17 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772178 => 1 18 18 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772179 => 1 19 19 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772180 => 1 20 20 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772181 => 1 21 21 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772182 => 1 22 22 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772183 => 1 23 23 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772184 => 1 24 24 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772185 => 1 25 25 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772186 => 1 26 26 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772187 => 1 27 27 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772188 => 1 28 28 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772189 => 1 29 29 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772190 => 1 30 30 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772191 => 1 31 31 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772192 => 1 32 32 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772193 => 1 33 33 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772194 => 1 34 34 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772195 => 1 35 35 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772196 => 1 36 36 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772197 => 1 37 37 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772198 => 1 38 38 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772199 => 1 39 39 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772200 => 1 40 40 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772201 => 1 41 41 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772202 => 1 42 42 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772203 => 1 43 43 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772204 => 1 44 44 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772205 => 1 45 45 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772206 => 1 46 46 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772207 => 1 47 47 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772208 => 1 48 48 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772209 => 1 49 49 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772210 => 1 50 50 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772211 => 1 51 51 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772212 => 1 52 52 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772213 => 1 53 53 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772214 => 1 54 54 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772215 => 1 55 55 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772216 => 1 56 56 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772217 => 1 57 57 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772218 => 1 58 58 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772219 => 1 59 59 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772220 => 1 60 60 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772221 => 1 61 61 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772222 => 1 62 62 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772223 => 1 63 63 0 0
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table_cam_add_entry realmain_v4_networks_0 realmain.set_egress_port 167772224 => 1 64 64 0 0
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#+END_CENTER
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nmap -sP does not show any packet on any other device:
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#+BEGIN_CENTER
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nico@ESPRIMO-P956:~/master-thesis/bin$ nmap -sP 10.0.0.0/24
|
||||
Starting Nmap 7.01 ( https://nmap.org ) at 2019-07-28 20:00 CEST
|
||||
Nmap scan report for ict-networks-010-000-000-200.fwd-v4.ethz.ch (10.0.0.200)
|
||||
Host is up (0.00014s latency).
|
||||
Nmap done: 256 IP addresses (1 host up) scanned in 23.56 seconds
|
||||
nico@ESPRIMO-P956:~/master-thesis/bin$
|
||||
|
||||
20:00:35.114277 IP 10.0.0.200.44382 > 10.0.0.12.443: Flags [S], seq 1173914110, win 29200, options [mss 1460,sackOK,TS val 4138
|
||||
412163 ecr 0,nop,wscale 7], length 0
|
||||
20:00:35.114327 IP 10.0.0.200.34958 > 10.0.0.26.443: Flags [S], seq 3327394542, win 29200, options [mss 1460,sackOK,TS val 3323
|
||||
367618 ecr 0,nop,wscale 7], length 0
|
||||
|
||||
#+END_CENTER
|
||||
|
||||
packets are going out though.
|
||||
|
||||
Also trying with ping:
|
||||
|
||||
#+BEGIN_CENTER
|
||||
nico@ESPRIMO-P956:~/master-thesis/bin$ for i in $(seq 1 64); do (ping -c1 10.0.0.$i & ); done
|
||||
|
||||
#+END_CENTER
|
||||
|
||||
** The NetPFGA saga
|
||||
Problems encountered:
|
||||
- The logfile for a compile run is 10k+ lines
|
||||
|
|
|
|||
|
|
@ -128,8 +128,8 @@ action nat46_icmp_generic()
|
|||
hdr.icmp.setInvalid();
|
||||
}
|
||||
|
||||
/* NAT46: protocol unspecific changes */
|
||||
action nat46_generic(ipv6_addr_t src, ipv6_addr_t dst) {
|
||||
/* NAT46: protocol unspecific changes */
|
||||
action nat46_generic(ipv6_addr_t src, ipv6_addr_t dst) {
|
||||
hdr.ipv6.setValid();
|
||||
hdr.ipv4.setInvalid();
|
||||
|
||||
|
|
@ -171,7 +171,6 @@ action nat46_icmp_generic()
|
|||
NoAction;
|
||||
}
|
||||
size = NAT64_TABLE_SIZE;
|
||||
// default_action = controller_debug_table_id(TABLE_NAT64);
|
||||
default_action = NoAction;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -58,20 +58,17 @@ control RealMain(
|
|||
#include "actions_egress.p4"
|
||||
#include "actions_delta_checksum.p4"
|
||||
|
||||
|
||||
#include "netpfga_dummy.p4"
|
||||
|
||||
apply {
|
||||
bit<17> tmp17 = 0;
|
||||
bool apply_v4networks = true;
|
||||
bool apply_v6networks = true;
|
||||
|
||||
// #include "netpfga_nat64.p4"
|
||||
/* does not compile without a table - give it a table */
|
||||
dummy_table_for_netpfga.apply();
|
||||
|
||||
// if(apply_v4networks == true) {
|
||||
v4_networks.apply();
|
||||
// }
|
||||
|
||||
// if(apply_v6networks == true) {
|
||||
// v6_networks.apply();
|
||||
// }
|
||||
/* continue without tables */
|
||||
#include "netpfga_nat64_stupid_hardcoded.p4"
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,14 +1,6 @@
|
|||
#ifndef DUMMY_NETPFGA
|
||||
#define DUMMY_NETPFGA
|
||||
|
||||
action do_nothing() {
|
||||
;
|
||||
}
|
||||
|
||||
action send_to_port(port_t port) {
|
||||
sume_metadata.dst_port = port;
|
||||
}
|
||||
|
||||
action send_to_port1() {
|
||||
sume_metadata.dst_port = 1;
|
||||
}
|
||||
|
|
@ -19,12 +11,9 @@ table dummy_table_for_netpfga {
|
|||
}
|
||||
|
||||
actions = {
|
||||
do_nothing;
|
||||
send_to_port1;
|
||||
send_to_port;
|
||||
}
|
||||
size = TEST_TABLE_SIZE;
|
||||
// default_action = do_nothing;
|
||||
size = 64;
|
||||
default_action = send_to_port1;
|
||||
}
|
||||
|
||||
|
|
|
|||
46
p4src/netpfga_nat64_stupid_hardcoded.p4
Normal file
46
p4src/netpfga_nat64_stupid_hardcoded.p4
Normal file
|
|
@ -0,0 +1,46 @@
|
|||
port_t v6_out = 64;
|
||||
port_t v4_out = 16;
|
||||
|
||||
/* nat64 */
|
||||
/*
|
||||
>>> int(ipaddress.IPv4Address("10.0.0.0"))
|
||||
167772160
|
||||
>>> int(ipaddress.IPv6Address("2001:db8:42::"))
|
||||
42540766411362381960998550477184434176
|
||||
*/
|
||||
|
||||
ipv6_addr_t v6_src = 42540766411362381960998550477184434176; /* 2001:db8:42:: -> v6 source range*/
|
||||
ipv6_addr_t v6_dst = 42540766411362381960998550477184434176; /* 2001:db8:42:: -> v6 source range*/
|
||||
ipv6_addr_t nat64_prefix = 42540766411362381960998550477184434176; /* 2001:db8:42:: -> v6 destination range */
|
||||
ipv4_addr_t v4_dst = 167772160; /* 10.0.0.0 -> v4 destination range */
|
||||
|
||||
|
||||
/* if it is ipv6, we always translate to IPv4 and output on v4_out */
|
||||
if(hdr.ipv6.isValid()) {
|
||||
nat64_static(v6_src, v4_dst, nat64_prefix);
|
||||
|
||||
if(hdr.udp.isValid()) {
|
||||
delta_udp_from_v6_to_v4
|
||||
}
|
||||
|
||||
if(hdr.tcp.isValid()) {
|
||||
delta_tcp_from_v6_to_v4
|
||||
}
|
||||
|
||||
set_egress_port(v4_out);
|
||||
|
||||
} else if(hdr.ipv4.isValid()) {
|
||||
nat46_static(v6_dst, v4_dst, nat64_prefix);
|
||||
|
||||
if(hdr.udp.isValid()) {
|
||||
delta_udp_from_v4_to_v6
|
||||
}
|
||||
|
||||
if(hdr.tcp.isValid()) {
|
||||
delta_tcp_from_v4_to_v6
|
||||
}
|
||||
|
||||
set_egress_port(v6_out);
|
||||
} else {
|
||||
set_egress_port(1);
|
||||
}
|
||||
Loading…
Reference in a new issue