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Merge full IPv6 handling code from BMV2 side

This commit is contained in:
Nico Schottelius 2019-07-24 22:48:21 +02:00
parent 6b176fdc06
commit dc7d78252e
2 changed files with 36 additions and 10 deletions
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23
doc/plan.org
View File

@ -3329,14 +3329,15 @@ https://en.wikipedia.org/wiki/IPv4_header_checksum
| eth2 <--> nf0 |
| eth1 <--> nf3 |
** Compile log - VERSIONS
| 5.1. - 5.5 | failure due to variable renaming |
| 5.6 | subparser: compiled! |
| 5.7 | subcontrol: [nsg] |
| 5.8 | nat64 actions/table: OK |
| 5.9 | nat64+headers [esprimo]: |
| 6.1 | ARP: mixed matches in table, ABORT |
| 6.2 | No arp, Vivado Simulator kernel has encounted an exception |
| | |
| 5.1. - 5.5 | failure due to variable renaming |
| 5.6 | subparser: compiled! |
| 5.7 | subcontrol: [nsg] |
| 5.8 | nat64 actions/table: OK |
| 5.9 | nat64+headers [esprimo]: |
| 6.1 | ARP: mixed matches in table, ABORT |
| 6.2 | No arp, Vivado Simulator kernel has encounted an exception, ABORT |
| 6.3 | Fixed lpm bug, ABORT |
| 6.4 | table size = 64, [nsg] |
** TODO Benchmark/comparison
*** TODO Setup / Benchmark Jool
*** TODO Setup / Benchmark tayga
@ -6085,7 +6086,8 @@ def config_tables():
#+BEGIN_CENTER
~/master-thesis/netpfga/minip4/simple_sume_switch/test/sim_switch_default/config_writes.py
#+END_CENTER
*** 2019-07-22: trying to "fix" the config_writes.py
*** DONE 2019-07-22: trying to "fix" the config_writes.py
CLOSED: [2019-07-24 Wed 22:44]
#+BEGIN_CENTER
nico@nsg-System:~/master-thesis/netpfga/minip4/simple_sume_switch/test/sim_switch_default$ cat config_writes.py
@ -6539,7 +6541,8 @@ s/sume-sdnet-switch/projects/minip4/nf_sume_sdnet_ip/SimpleSumeSwitch/realmain_l
FATAL_ERROR: Vivado Simulator kernel has encounted an exception from DPI C function: LPM_VerifyDataset(). Please correct.
Time: 2016466 ps Iteration: 0 Process: /SimpleSumeSwitch_tb/LPM_VerifyDataset
File: /home/nico/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/projects/minip4/nf_sume_sdnet_ip/SimpleSumeSwitch/Testbench/SimpleSumeSwitch_tb.sv
*** 2019-07-24: table size too small
*** DONE 2019-07-24: table size too small
CLOSED: [2019-07-24 Wed 22:44]
- raising again - this is a total madness
#+BEGIN_CENTER

23
p4src/minip4_solution.p4
View File

@ -2,6 +2,10 @@
#include <sume_switch.p4>
#include "headers.p4"
/* required for netfpga */
#define USE_NICO_DELTA_CHECKSUM 1
// typedef bit<48> EthAddr_t;
// header Ethernet_h {
// EthAddr_t dstAddr;
@ -75,6 +79,7 @@ control RealMain(
#include "actions_nat64_generic.p4"
#include "actions_egress.p4"
#include "actions_delta_checksum.p4"
action swap_eth_addresses() {
@ -126,6 +131,7 @@ control RealMain(
if(nat64.apply().hit) { /* generic / static nat64 done */
if(hdr.icmp6.isValid()) {
nat64_icmp6_generic();
if(hdr.icmp6.type == ICMP6_ECHO_REPLY) {
hdr.icmp.type = ICMP_ECHO_REPLY;
hdr.icmp.code = 0;
@ -134,7 +140,24 @@ control RealMain(
hdr.icmp.type = ICMP_ECHO_REQUEST;
hdr.icmp.code = 0;
}
if(hdr.udp.isValid()) {
#ifdef USE_NICO_DELTA_CHECKSUM
delta_udp_from_v6_to_v4();
#else
meta.chk_udp_v4 = 1;
#endif
}
if(hdr.tcp.isValid()) {
#ifdef USE_NICO_DELTA_CHECKSUM
delta_tcp_from_v6_to_v4();
#else
meta.chk_tcp_v4 = 1;
#endif
}
v4_networks.apply(); /* apply egress for IPv4 */
exit; /* no further v6 processing */
}
}
}