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+doc + 16kbit region size

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Signed-off-by: Nico Schottelius <nico@nico-notebook.schottelius.org>
This commit is contained in:
Nico Schottelius 2019-08-04 13:52:30 +02:00
parent 2f493a7135
commit 3b8d60be23
2 changed files with 31 additions and 6 deletions
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35
doc/plan.org
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@ -8809,7 +8809,7 @@ frame 5: !!!! 30 bytes difference! => 10 zero bytes too much at the end!!
frame 6:
v4 546 bytes, v6 566 bytes: 20 byte difference, udp checksum broken
*** TODO 2019-08-04: compare netfpga behaviour with bmv2
*** TODO 2019-08-04: compare netfpga behaviour with bmv2 (version 10.0)
**** DONE cat of /etc/passwd works
CLOSED: [2019-08-04 Sun 12:00]
**** DONE BMV2: 503 character test: works!
@ -8834,12 +8834,37 @@ printf %0500d\\\\n 42
printf %0500d\\n 42 | socat - UDP6-LISTEN:2345
printf %0500d\\n 42 | socat - UDP:10.0.0.66:2345
#+END_CENTER
**** DONE Netpfga: analysing wireshark: Content / payload changes!
CLOSED: [2019-08-04 Sun 13:33]
**** DONE Test sizes: 250 bytes don't work
CLOSED: [2019-08-04 Sun 13:33]
**** DONE Test sizes: 100 bytes DO work
**** DONE Test sizes: 120 bytes DO work: no errors, 183/163 bytes on the wire
**** DONE Test sizes: 180 bytes DO work
**** DONE Test sizes: 200 bytes DO work [FRAME CHECK ERROR / appended bytes]
**** DONE Test sizes: 250 bytes do NOT work (2nd test)
#+BEGIN_CENTER
nico@ESPRIMO-P956:~/master-thesis/bin$ printf %0250d\\n 42 | socat - UDP6-LISTEN:2345
nico@ESPRIMO-P956:~/master-thesis/bin$ printf %0250d\\n 42 | socat - UDP:10.0.0.66:2345
#+END_CENTER
**** TODO Netpfga: analysing wireshark
- Content / payload changes
**** DONE Test sizes: 225 bytes do NOT work
**** DONE Test sizes: 215 bytes DO work
#+BEGIN_CENTER
nico@ESPRIMO-P956:~/master-thesis/bin$ printf %0215d\\n 42 | socat - UDP:10.0.0.66:2345
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000042
nico@ESPRIMO-P956:~/master-thesis/bin$
nico@ESPRIMO-P956:~/master-thesis/bin$ printf %0215d\\n 42 | socat - UDP6-LISTEN:2345
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000042
nico@ESPRIMO-P956:~/master-thesis/bin$
#+END_CENTER
**** DONE Test sizes: 220 bytes do NOT work
**** DONE Test sizes: 217 bytes do NOT work
**** DONE Test sizes: 216 bytes do NOT work
**** DONE MAXIMUM payload size: 215 0s + 42 + \n = 219 bytes payload
CLOSED: [2019-08-04 Sun 13:43]
****
** The NetPFGA saga
Problems encountered:
- The logfile for a compile run is 10k+ lines

2
p4src/minip4_solution.p4
View file

@ -7,7 +7,7 @@
#define user_metadata_t metadata
// 1500 mtu * 8 = 12000
#define MAX_NETPFGA_PACKET_SIZE_BITS 12000
#define MAX_NETPFGA_PACKET_SIZE_BITS 16384
// digest_data, MUST be 256 bits -- not using it
struct digest_data_t {