From 2462356e68097739de5f115a5ab9d1b55f8fb4f7 Mon Sep 17 00:00:00 2001 From: Nico Schottelius Date: Sun, 21 Jul 2019 14:08:47 +0200 Subject: [PATCH] log update --- doc/plan.org | 278 ++++++++++++++++++++++++++++++++++++++++----------- 1 file changed, 221 insertions(+), 57 deletions(-) diff --git a/doc/plan.org b/doc/plan.org index d95f640..378e496 100644 --- a/doc/plan.org +++ b/doc/plan.org @@ -987,7 +987,8 @@ PING 10.1.1.1 (10.1.1.1) 56(84) bytes of data. rtt min/avg/max/mdev = 12.593/12.593/12.593/0.000 ms p4@ubuntu:~$ -** TODO Implement ipv6<->ipv4 udp translation +** DONE Implement ipv6<->ipv4 udp translation + CLOSED: [2019-07-21 Sun 13:57] *** DONE udp: ipv6->ipv4 p4@ubuntu:~$ mx h3 "echo V4-OK | socat - UDP-LISTEN:2342" @@ -1001,7 +1002,8 @@ V4-OK p4@ubuntu:~$ **** pcap/v6_udp-2019-04-11-0840-h1.pcap **** pcap/v6_udp-2019-04-11-0840-h3.pcap -*** TODO udp: ipv4->ipv6 +*** DONE udp: ipv4->ipv6 + CLOSED: [2019-07-21 Sun 13:57] p4@ubuntu:~$ mx h3 "echo V4-OK | socat - UDP:10.1.1.1:2342" /usr/bin/mx: line 25: [: too many arguments V6-OK @@ -1039,8 +1041,10 @@ p4@ubuntu:~$ pcap/v4_tcp-2019-04-11-0853-h1.pcap | Bin 0 -> 1174 bytes pcap/v4_tcp-2019-04-11-0853-h3.pcap | Bin 0 -> 1070 bytes -** TODO Update p4c to avoid compiler bug -*** TODO Updating p4c +** DONE Update p4c to avoid compiler bug + CLOSED: [2019-07-21 Sun 13:59] +*** DONE Updating p4c + CLOSED: [2019-07-21 Sun 13:57] **** DONE Try1 p4@ubuntu:~/p4-learning/vm/bin$ sh update-p4c.sh update-p4c.sh: 34: update-p4c.sh: Syntax error: "(" unexpected @@ -1107,12 +1111,15 @@ p4@ubuntu:~/p4-tools/p4c/build$ **** DONE Build on notebook succeeds 900557c5 [16:37] line:p4c% git describe --always 900557c5 -**** TODO Build on VM with 900557c5 after removing build/ -** TODO Get p4 VM / vagrant running +**** DONE Build on VM with 900557c5 after removing build/: no, stay with old p4c + CLOSED: [2019-07-21 Sun 13:57] +** DONE Get p4 VM / vagrant running: running on VM + CLOSED: [2019-07-21 Sun 13:57] *** DONE install libvirtd-daemon *** DONE install ebtables *** DONE install dnsmasq -** TODO Get p4c & co. running on the notebook +** DONE Get p4c & co. running eon the notebook: no, stay on VM + CLOSED: [2019-07-21 Sun 13:58] *** DONE mininet via packages *** DONE p4c (virtualenv-with-site) [17:43] line:build% make install @@ -1545,8 +1552,6 @@ Cannot find required executable simple_switch. Please make sure that it is installed and available in your $PATH: (/home/nico/vcs/master-thesis/support/virtualenv-with-site/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/home/nico/vcs/master-thesis/support/p4c/build/) (virtualenv-with-site) root@line:/home/nico/vcs/master-thesis/p4app# -** TODO Setup test VM [dual stack] for Jool: -** TODO Setup test VM [dual stack] for tayga: ** TODO Port to Hardware *** NetPFGA documentation **** Port mapping @@ -1569,7 +1574,8 @@ Cannot obtain license make: *** [Makefile:67: compile_no_cpp_test] Error 1 nico@loch:~/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/switch_calc$ -**** TODO Testing / compiling / uploading stuff to the NetPFGA -- +**** DONE Testing / compiling / uploading stuff to the NetPFGA -- + CLOSED: [2019-07-21 Sun 13:56] https://github.com/NetFPGA/P4-NetFPGA-public/wiki/Tutorial-Assignments ***** DONE try 1 According to @@ -1654,7 +1660,8 @@ nico@loch:~/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/swit ****** DONE testdata: skipped ****** DONE compile_cpp_test: ok ****** DONE run_scripts: ok -****** TODO cpp_test: error +****** DONE cpp_test: error + CLOSED: [2019-07-21 Sun 13:59] # Fix introduced for SDNet 2017.4 sed -i 's/xsim\.dir\/xsc\/dpi\.so/dpi\.so/g' nf_sume_sdnet_ip/SimpleSumeSwitch/vivado_sim.bash sed -i 's/xsim\.dir\/xsc\/dpi\.so/dpi\.so/g' nf_sume_sdnet_ip/SimpleSumeSwitch/vivado_sim_waveform.bash @@ -1667,7 +1674,8 @@ make: *** [Makefile:23: cpp_test] Error 1 [23:12] loch:minip4% ******* DONE Removing cp of *tbl ******* DONE Removing pcap copy -******* TODO removing all cp's +******* DONE removing all cp's + CLOSED: [2019-07-21 Sun 13:59] ***** DONE try 3: good until step 4; broken at the simulation ****** log 1 [15:26] rainbow:~% echo $P4_PROJECT_DIR @@ -1751,7 +1759,8 @@ root@rainbow:~# apt install libncurses5 ****** command cd $P4_PROJECT_DIR && make ****** DONE commented out the test data step to progress -****** TODO re-enable test data cp step => data required later +****** DONE re-enable test data cp step => data required later + CLOSED: [2019-07-21 Sun 13:57] all: clean frontend compile_no_cpp_test run_scripts cp src/*.tbl ${SDNET_OUT_DIR}/${P4_SWITCH}/ cp testdata/*.txt ${SDNET_OUT_DIR}/${P4_SWITCH}/ @@ -1798,7 +1807,8 @@ make[1]: *** [Makefile:5: all] Error 1 make[1]: Leaving directory '/home/nico/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/minip4/testdata' make: *** [Makefile:32: frontend] Error 2 [15:47] rainbow:minip4% -****** TODO debug gen_testdata.py +****** DONE debug gen_testdata.py + CLOSED: [2019-07-21 Sun 13:57] ***** DONE Run step 5: ok ****** command #+BEGIN_EXAMPLE @@ -2027,7 +2037,8 @@ INFO: [Common 17-206] Exiting Vivado at Mon May 20 13:07:53 2019... make[1]: Leaving directory '/home/nico/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/minip4/simple_sume_switch/hw' [13:07] rainbow:simple_sume_switch% #+END_CENTER -******* TODO clarifying "simple_sume_switch.tcl" +******* DONE clarifying "simple_sume_switch.tcl" + CLOSED: [2019-07-21 Sun 13:59] ******** DONE What is it? Seems to be some kind of batch system for vivado ******** DONE Who or what created it? @@ -2308,7 +2319,6 @@ new dic: OrderedDict() ****** DONE try10: find out, why nf_sume_sdnet_ip/SimpleSumeSwitch/config_writes.txt has too less content ******* DONE find out what generates config_writes.txt Seems to be step 5: - #+BEGIN_CENTER [14:22] rainbow:SimpleSumeSwitch% pwd /home/nico/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/minip4/nf_sume_sdnet_ip/SimpleSumeSwitch @@ -3020,7 +3030,8 @@ SimpleSumeSwitch( TopDeparser() ) main; **** Understand the different switch models (?) -*** TODO Find out whether delta based checksumming is feasible [in P4] +*** DONE Find out whether delta based checksumming is feasible [in P4] + CLOSED: [2019-07-21 Sun 13:53] **** DONE Analysing scapy CLOSED: [2019-06-23 Sun 14:18] #+BEGIN_CENTER @@ -3066,7 +3077,8 @@ else: #+END_CENTER -**** TODO Trying to create a delta diff: AAAA vs. BBAA +**** DONE Trying to create a delta diff: AAAA vs. BBAA + CLOSED: [2019-07-21 Sun 13:53] #+BEGIN_CENTER [14:17] line:bin% python3 checksum_from_scapy.py AAAA b'AAAA' @@ -3146,10 +3158,13 @@ sum=33667 #+END_CENTER -*** TODO Get ANY p4 program to successfully run on netpfga -**** TODO mirroring ethernet +*** DONE Get ANY p4 program to successfully run on netpfga + CLOSED: [2019-07-21 Sun 14:00] +**** DONE mirroring ethernet + CLOSED: [2019-07-21 Sun 14:00] ***** no packets seen on source interface -**** TODO sending data to switch port 1 +**** DONE sending data to switch port 1 + CLOSED: [2019-07-21 Sun 14:00] ***** DONE figuring out which is port 1: nf0 expected actual @@ -3193,7 +3208,8 @@ listening on nf1, link-type EN10MB (Ethernet), capture size 262144 bytes 19:28:37.725181 IP6 2001:db8::1 > ff02::1:ff00:2: ICMP6, neighbor solicitation, who has 2001:db8::2, length 32 19:28:38.749195 IP6 2001:db8::1 > ff02::1:ff00:2: ICMP6, neighbor solicitation, who has 2001:db8::2, length 32 -***** TODO Testing packets with send_packet.py: nothing arrives +***** DONE Testing packets with send_packet.py: nothing arrives: broken card problem + CLOSED: [2019-07-21 Sun 13:54] root@rainbow:/home/nico/master-thesis/bin# python send_packet.py nf1 . Sent 1 packets. @@ -3204,7 +3220,8 @@ root@rainbow:/home/nico/master-thesis/bin# -> only shows up on the interface that we send, not on nf0 if sending on nf1 -***** TODO Trying to add explicit table entry +***** DONE Trying to add explicit table entry: broken card problem + CLOSED: [2019-07-21 Sun 13:54] #+BEGIN_CENTER >> table_cam_add_entry lookup_table send_to_port1 ff:ff:ff:ff:ff:ff => CAM_Init_ValidateContext() - done @@ -3214,7 +3231,8 @@ WROTE 0x44020080 = 0x0003 python: ioctl: Unknown error 512 [20:27] rainbow:CLI% #+END_CENTER -***** TODO Trying to read a table entry +***** DONE Trying to read a table entry: broken card problem + CLOSED: [2019-07-21 Sun 13:54] #+BEGIN_CENTER >> table_cam_read_entry lookup_table 0 CAM_Init_ValidateContext() - done @@ -3243,14 +3261,19 @@ ERROR: failed to convert p.ethernet.dstAddr of type to an integer #+END_CENTER -*** TODO Create either HDL or PX for supporting payload checksum +*** DONE Create either HDL or PX for supporting payload checksum: no, not doing payload + CLOSED: [2019-07-21 Sun 13:54] https://github.com/NetFPGA/P4-NetFPGA-public/issues/13 https://github.com/NetFPGA/P4-NetFPGA-public/issues/13#issuecomment-490431016 -**** TODO Explore HDL -**** TODO Explore PX -*** TODO Integrate nat64 code into netfpga -**** figure out how to do ANY checksums -** TODO Diff / Delta based checksums +**** DONE Explore HDL: no, not needed + CLOSED: [2019-07-21 Sun 13:54] +**** DONE Explore PX: no, not needed + CLOSED: [2019-07-21 Sun 13:54] +*** Integrate nat64 code into netfpga: continue further down +**** DONE figure out how to do ANY checksums + CLOSED: [2019-07-21 Sun 13:55] +** DONE Diff / Delta based checksums + CLOSED: [2019-07-21 Sun 13:55] *** DONE create test case / test theory CLOSED: [2019-07-13 Sat 21:50] *** Understand the complement implementation in P4/C @@ -3272,7 +3295,8 @@ checksum, should be zero if there is no corruption. https://en.wikipedia.org/wiki/IPv4_header_checksum -**** TODO try first v6/v6 +**** DONE try first v6/v6 + CLOSED: [2019-07-21 Sun 14:00] **** using python/struct ***** find right byte orders **** using python/scapy @@ -3282,20 +3306,33 @@ https://en.wikipedia.org/wiki/IPv4_header_checksum **** using p4 **** using p4/netpfga -** NAT64/NAT46 Features in jool and tayga -*** TODO Static 1:1 NAT46: translate from IPv4 to IPv6 with a table -**** TODO TCP -**** TODO UDP -**** TODO ICMP <-> ICMPv6 -*** TODO Stateless Prefix based NAT64: IPv6 to IPv4 translation prefix based +** DONE NAT64/NAT46 Features in jool and tayga + CLOSED: [2019-07-21 Sun 14:02] +*** DONE Static 1:1 NAT46: translate from IPv4 to IPv6 with a table + CLOSED: [2019-07-21 Sun 13:55] +**** DONE TCP + CLOSED: [2019-07-21 Sun 13:55] +**** DONE UDP + CLOSED: [2019-07-21 Sun 13:55] +**** DONE ICMP <-> ICMPv6 + CLOSED: [2019-07-21 Sun 13:55] +*** DONE Stateless Prefix based NAT64: IPv6 to IPv4 translation prefix based + CLOSED: [2019-07-21 Sun 13:55] **** Allows IPv6 hosts to reach the IPv4 Internet *** See time table above -** Additional features queue (to be discussed) -*** TODO Offset based translation (v4->v6) -> same as range (?) -*** TODO IP address learning (v6/v4) for real life switch? How do hosts find it? -** Netpfga cabling +** DONE Additional features queue (to be discussed) + CLOSED: [2019-07-21 Sun 14:01] +*** DONE Offset based translation (v4->v6) -> same as range (?) + CLOSED: [2019-07-21 Sun 14:00] +*** DONE IP address learning (v6/v4) for real life switch? How do hosts find it? + CLOSED: [2019-07-21 Sun 14:00] +** DONE Netpfga cabling + CLOSED: [2019-07-21 Sun 14:01] | eth2 <--> nf0 | | eth1 <--> nf3 | +** TODO Benchmark/comparison +*** TODO Setup / Benchmark Jool +*** TODO Setup / Benchmark tayga * Thesis documentation ** Introduction *** Related work @@ -3349,7 +3386,8 @@ user@T:~# iptables -t mangle -A PREROUTING \ ``` 5656 *** Cisco (?) -** TODO P4 based implementation +** DONE P4 based implementation + CLOSED: [2019-07-21 Sun 13:55] *** General - IPv6 subnet 2001:db8::/32 @@ -3360,7 +3398,8 @@ user@T:~# iptables -t mangle -A PREROUTING \ - IPv4 hosts are in 10.0.4.0/24 - IPv6 in IPv4 mapped hosts are in 10.0.6.0/24 - IPv4 default router = 10.0.0.42 -*** TODO IPv4 embedding +*** DONE IPv4 embedding + CLOSED: [2019-07-21 Sun 13:55] RFC6052 @@ -3704,7 +3743,8 @@ debug packets - analyse code - goto 1 [21:26] line:~% sudo apt install thrift-compiler libnanomsg-dev libjudy-dev -*** TODO Session / dynamice mappings +*** DONE Session / dynamice mappings + CLOSED: [2019-07-21 Sun 13:56] **** General - Have 1..n session IPv4 addresses - Handle outgoing IPv6: create new session @@ -3727,10 +3767,12 @@ libnanomsg-dev libjudy-dev ***** TODO Case IPv4 initiator - Needs upper level protol -**** TODO General network matching +**** DONE General network matching + CLOSED: [2019-07-21 Sun 13:56] ***** DONE Create table(s) ***** DONE Fill it up from the controller: general network -***** TODO Create controller session handler +***** DONE Create controller session handler + CLOSED: [2019-07-21 Sun 13:55] ****** Controller Logic - controller selects "outgoing" IPv4 address range => base for sessions - IPv4 addresses can be "random" (in our test case), but need @@ -3745,7 +3787,8 @@ libnanomsg-dev libjudy-dev ***** DONE Feed back to controller: implemented in switch ***** DONE Create ipv6 session in the controller ***** Create ipv4 session in the controller -***** TODO Ensure translation code works +***** DONE Ensure translation code works + CLOSED: [2019-07-21 Sun 13:55] >>> ipaddress.IPv6Network("2001:db8:100::/96")[int(ipaddress.IPv4Address("10.0.0.1"))] IPv6Address('2001:db8:100::a00:1') @@ -3757,9 +3800,12 @@ INFO:main:unhandled reassambled=>> from table TABLE_V6_NETWORKS ****** DONE action nat64_tcp_session_create is called -**** TODO tcp session -**** TODO udp session -**** TODO tcp session +**** DONE tcp session + CLOSED: [2019-07-21 Sun 13:55] +**** DONE udp session + CLOSED: [2019-07-21 Sun 13:55] +**** DONE tcp session + CLOSED: [2019-07-21 Sun 13:55] ** TODO Hardware port *** Installation issues Installing vivado would stall/sleep/hang forverer due to missing @@ -5281,7 +5327,8 @@ sum 0xc5f2 (incorrect -> 0xe7cf) *** 2019-07-16: pcap for debugging udp pcap/tcp-udp-delta-2019-07-16-0856-h3.pcap pcap/tcp-udp-delta-2019-07-16-0856-h1.pcap -*** 2019-07-16: testing with udp +*** DONE 2019-07-16: testing with udp + CLOSED: [2019-07-21 Sun 14:08] - suspicion: missing some cases in tcp6 #+BEGIN_CENTER @@ -5302,8 +5349,10 @@ p4@ubuntu:~/master-thesis/bin$ mx h3 "echo V4-OK | socat - UDP:10.1.1.1:2342" My code is +1 too high -*** 2019-07-17: continuing on wrap around issue -*** 2019-07-17: connect new intel card: cable problem +*** DONE 2019-07-17: continuing on wrap around issue + CLOSED: [2019-07-21 Sun 14:08] +*** DONE 2019-07-17: connect new intel card: cable problem + CLOSED: [2019-07-21 Sun 14:08] #+BEGIN_CENTER [ 37.557095] ixgbe 0000:02:00.0: failed to initialize because an unsupported SFP+ module type was detected. @@ -5633,7 +5682,8 @@ PCAP files to prove it works: create mode 100644 pcap/tcp-udp-delta-2019-07-17-1558-h3.pcap #+END_CENTER -*** TODO 2019-07-21: fix "compilation error" on minip4 / netpfga +*** DONE 2019-07-21: fix "compilation error" on minip4 / netpfga + CLOSED: [2019-07-21 Sun 12:29] #+BEGIN_CENTER source tcl/export_hardware.tcl # set design [lindex $argv 0] @@ -5660,7 +5710,8 @@ Vivado% Vivado% #+END_CENTER *** TODO 2019-07-21: whether or not to handle icmp(6) checksums -*** TODO 2019-07-21: implement v6->v4 delta based +*** DONE 2019-07-21: implement v6->v4 delta based + CLOSED: [2019-07-21 Sun 12:30] #+BEGIN_CENTER while true; do mx h3 "echo V4-OK | socat - TCP-LISTEN:2343"; sleep 2; done @@ -5674,7 +5725,7 @@ TCP6:[2001:db8:1::a00:1]:2343"; sleep 2; done Result: no reply, but translated packets seen on h3; wrong IPv4 checksum; tcp checksum is ok -> doing manual calculation to see where diff comes from -*** DONE Shifting / compile errors +*** DONE 2019-07-21: Shifting / compile errors CLOSED: [2019-07-21 Sun 10:55] v1: wrong parenthesis @@ -5713,12 +5764,125 @@ p4c --target bmv2 --arch v1model --std p4-16 "../p4src/checksum_diff.p4" -o "/ho #+END_CENTER -*** Proof of v6->v4 working delta based +*** DONE 2019-07-21: Proof of v6->v4 working delta based + CLOSED: [2019-07-21 Sun 12:30] #+BEGIN_CENTER pcap/tcp-udp-delta-from-v6-2019-07-21-0853-h1.pcap | Bin 0 -> 4252 bytes pcap/tcp-udp-delta-from-v6-2019-07-21-0853-h3.pcap | Bin 0 -> 2544 bytes #+END_CENTER +*** TODO 2019-07-21: Porting to netfpga: found relevant EMPTY FILE CHECK / config writes +**** DONE try1: Initial log + CLOSED: [2019-07-21 Sun 14:03] + If + ./projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/minip4/simple_sume_switch/bitfiles/config_writes.sh + is empty -> compile will fail + + This files is used by + simple_sume_switch/bitfiles/program_switch.sh:${SUME_SDNET}/tools/program_switch.sh + minip4.bit config_writes.sh + + in + + nico@nsg-System:~/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/minip4$ grep config_writes.sh -r * + + None of the previous compile runs has touched that file: + + #+BEGIN_CENTER + nico@nsg-System:~$ cat ./projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/minip4/simple_sume_switch/bitfiles/config_writes.sh + nico@nsg-System:~$ ls -alh ./projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/minip4/simple_sume_switch/bitfiles + /config_writes.sh + -rw-rw-r-- 1 nico nico 13 Jun 24 15:40 ./projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/minip4/simple_sume_switch/bitfiles/config_writes.sh + #+END_CENTER + + + Traversing back the tree again: + + #+BEGIN_CENTER + nico@nsg-System:~/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/minip4$ make config_writes + echo /home/nico/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/bin/gen_config_writes.py nf_sume_sdnet_ip/SimpleSumeSwitch/config_writes.txt 0x44020000 testdata + /home/nico/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/bin/gen_config_writes.py nf_sume_sdnet_ip/SimpleSumeSwitch/config_writes.txt 0x44020000 testdata + #/home/nico/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/bin/gen_config_writes.py nf_sume_sdnet_ip/SimpleSumeSwitch/config_writes.txt 0x44020000 testdata + nico@nsg-System:~/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/minip4$ + + #+END_CENTER + + Seems like output is really different from previous installation (?) + or previous compiles (?): + + #+BEGIN_CENTER + [2260762] INFO: finished packet stimulus file + [3728508] INFO: packet 1 tuple OK < tuple_out_digest_data, tuple_out_standard_metadata > = < 0000000000000000000000000000000000000000000000000000000000000000 00000000000000000000000001010000 > + [3728508] INFO: packet 1 data OK (tlast, tkeep, tdata) = (0, ffffffff, 0000000000000000000000000000000000000000081111111108082222222208) + [3731840] INFO: packet 1 data OK (tlast, tkeep, tdata) = (1, ffffffff, 0000000000000000000000000000000000000000000000000000000000000000) + [7067172] INFO: stopping simulation after 1000 idle cycles + [7067172] INFO: all expected data successfully received + [7067172] INFO: TEST PASSED + + #+END_CENTER + + vs before: + #+BEGIN_CENTER + projects/minip4/nf_sume_sdnet_ip/SimpleSumeSwitch/S_BRIDGERs.HDL/xpm_memory.sv + [SW] CAM_Init() - start + [SW] CAM_Init() - done + [SW] CAM_EnableDevice() - start + SV_write_control()- start + SV_write_control()- done + SV_read_control()- start + SV_read_control()- done + SV_write_control()- start + SV_write_control()- done + [SW] CAM_EnableDevice() - done + [2420698] INFO: finished packet stimulus file + [2735572] ERROR: tuple mismatch for packet 1 + expected < tuple_out_digest_data, tuple_out_sume_metadata > = < 0000000000000000000000000000000000000000000000000000000000000000 00000000000000000000000001010000 > + actual < tuple_out_digest_data, tuple_out_sume_metadata > = < 0000000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000010000 > + $finish called at time : 2735572 ps : File "/home/nico/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/minip4/nf_sume_sdnet_ip/SimpleSumeSwitch/Testbench/Check.v" Line 120 + exit + INFO: [Common 17-206] Exiting xsim at Sat May 25 14:38:05 2019... + [14:38] rainbow:SimpleSumeSwitch% echo $? + 0 + [14:38] rainbow:SimpleSumeSwitch% + + #+END_CENTER + + As suspected, config_writes output is again "too less" + + #+BEGIN_CENTER + + make config_writes + /home/nico/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/bin/gen_config_writes.py nf_sume_sdnet_ip/SimpleSumeSwitch/config_writes.txt 0x44020000 testdata + orig dic: OrderedDict([(0, ('00000020', '00000001')), (1, ('00000020', '00000000'))]) + new dic: OrderedDict() + + #+END_CENTER + +**** DONE try2: finding out how/where/why the config_writes.py matters + CLOSED: [2019-07-21 Sun 14:07] +***** answer: step8 references the file, but it does not exist + +#+BEGIN_CENTER +nico@nsg-System:~/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/minip4/simple_sume_switch/test/sim_switch_default$ cd $NF_DESIGN_DIR/test/sim_switch_default && make 2>&1 | tee ~/master-thesis/netpfga/log/step8-$(date +%F-%H%M%S) +rm -f config_writes.py* +rm -f *.pyc +cp /home/nico/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/minip4/testdata/config_writes.py ./ +cp: cannot stat '/home/nico/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/minip4/testdata/config_writes.py': No such file or directory +Makefile:36: recipe for target 'all' failed +make: *** [all] Error 1 +nico@nsg-System:~/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/minip4/simple_sume_switch/test/sim_switch_default$ +nico@nsg-System:~/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/minip4$ ls ~/master-thesis/netpfga/log/ +compile-20190713-1906-failure compile-20190713-2208-failure step4-2019-07-21-120937 step4-2019-07-21-122139 step5-2019-07-21-134905 step8-2019-07-21-140436 +compile-20190713-1935-failure compile-2019-07-21-122852 step4-2019-07-21-121529 step4-2019-07-21-122730 step6-2019-07-21-135059 step8-2019-07-21-140549 +nico@nsg-System:~/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/minip4$ + +#+END_CENTER +**** TODO try3: find out again, what generates config_writes.py +*** TODO Further notes P4/master thesis + - Cannot easily run P4 on notebook - changes to the system very + invasive + - Varous compiler bugs/limitations + - Very very deep rabbithole problems + - Hanging/sleeping issue -- unclear whether it does something or not ** The NetPFGA saga Problems encountered: