++ notes
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Nico Schottelius
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1 changed files with 77 additions and 2 deletions
79
doc/plan.org
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doc/plan.org
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@ -300,14 +300,16 @@
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| | Needs timeout / leases | |
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| | Needs timeout / leases | |
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| | Might work w/ registers | |
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| | Might work w/ registers | |
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| 2019-05-26 | | |
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| 2019-XX-XX | | |
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| | Prepare Laurent meeting | |
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| | Prepare Laurent meeting | |
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| | - Vivado installation: silent errors, infinite loop, missing libncurses5 | |
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| | - Vivado installation: silent errors, infinite loop, missing libncurses5 | |
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| | - Compiling netfpga: 82k lines of code that are interdependent | |
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| | - Compiling netfpga: 82k lines of code that are interdependent | |
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| | - Many non critical error messages on the way | |
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| | - Many non critical error messages on the way | |
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| | - Zero exit fatal errors | |
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| | - Zero exit fatal errors | |
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| | - Not Receiving | |
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| | - Output all ports -> unclear how test data should look like | |
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| | - Found out broad/multicasting in theory -> bitmask | |
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| 2018-06-27 | | |
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| 2018-06-27 | | |
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| | Target Hardware: code running | |
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| | Target Hardware: code running | |
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@ -4018,6 +4020,79 @@ python: ioctl: Unknown error 512
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#+END_CENTER
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#+END_CENTER
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*** 2019-06-10: testing with INT (hint from Hendrik)
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**** 15:54 compile & upload done
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**** 16:36 ...testing
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***** replaced ethX with nfX
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#+BEGIN_CENTER
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root@rainbow:~/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/int/sw/hw_test_tool# ./rcv_int.py
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root@rainbow:~/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/int/sw/hw_test_tool# ./int_tester.py
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tcpdump: listening on nf1, link-type EN10MB (Ethernet), capture size 262144 bytes
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The HW testing tool for the INT design
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type help to see all commands
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testing> help
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Documented commands (type help <topic>):
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========================================
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help run_test
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Undocumented commands:
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======================
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EOF exit
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testing> run_test 0b11001
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.
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Sent 1 packets.
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Sent pkt:
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------------------------------------------------------------------------------------------
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| ETHERNET | ins_cnt:3 max_hop:10 total_hop:0 bitmask:11001 |
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------------------------------------------------------------------------------------------
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testing>
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#+END_CENTER
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***** DONE Receiver does not see any packet
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CLOSED: [2019-06-10 Mon 16:37]
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***** DONE testing with tcpdump and ETH_DST = "ff:ff:ff:ff:ff:ff"
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CLOSED: [2019-06-10 Mon 17:34]
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Sending on nf1, listenng on nf3, all interfaces up
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#+BEGIN_CENTER
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root@rainbow:~# tcpdump -ni nf3
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tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
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listening on nf3, link-type EN10MB (Ethernet), capture size 262144
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bytes
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root@rainbow:~/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/int/sw/hw_test_tool# ./int_tester.py
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tcpdump: listening on nf1, link-type EN10MB (Ethernet), capture size 262144 bytes
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The HW testing tool for the INT design
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type help to see all commands
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testing> run_test 0b11001
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.
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Sent 1 packets.
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Sent pkt:
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------------------------------------------------------------------------------------------
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| ETHERNET | ins_cnt:3 max_hop:10 total_hop:0 bitmask:11001 |
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------------------------------------------------------------------------------------------
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testing> run_test 0b11001
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.
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Sent 1 packets.
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Sent pkt:
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------------------------------------------------------------------------------------------
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| ETHERNET | ins_cnt:3 max_hop:10 total_hop:0 bitmask:11001 |
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------------------------------------------------------------------------------------------
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testing>
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#+END_CENTER
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-> no packet received on nf3, even though commands.txt contains
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mapping
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*** 2019-06-10: trying to output on all ports -> unclear test data
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Test data in gen_testdata.py expects order. If we output to 0b1010101
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(=85), then the packet should arrive on all ports. Order unknown.
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** References / Follow up
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** References / Follow up
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*** RFC 791 IPv4 https://tools.ietf.org/html/rfc791
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*** RFC 791 IPv4 https://tools.ietf.org/html/rfc791
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