log update

2019-07-21 14:08:47 +02:00 · 2019-07-21 14:08:47 +02:00 · 2462356e68
parent 89e0576d22
commit 2462356e68
1 changed files with 221 additions and 57 deletions
--- 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 <type 'str'> 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=<Ether  dst=00:00:0a:00:00:42 src=00:00:0a:00:00
 INFO:main:unhandled reassambled=<Ether  dst=00:00:0a:00:00:42 src=00:00:0a:00:00:01 type=0x86dd |<IPv6  version=6 tc=0 fl=765494 plen=40 nh=TCP hlim=64 src=2001:db8::1 dst=2001:db8:100::a00:1 |<TCP  sport=36458 dport=2342 seq=1287954527 ack=0 dataofs=10 reserved=0 flags=S window=28320 chksum=0xdce7 urgptr=0 options=[('MSS', 9440), ('SAckOK', ''), ('Timestamp', (795132605, 0)), ('NOP', None), ('WScale', 9)] |>>> 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: