Merge full IPv6 handling code from BMV2 side

This commit is contained in:
Nico Schottelius 2019-07-24 22:48:21 +02:00
commit dc7d78252e
2 changed files with 36 additions and 10 deletions

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 */
}
}
}