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#include <core.p4>
#include <sume_switch.p4>
#include "headers.p4"
#define Parsed_packet headers
#define user_metadata_t metadata
// 1500 mtu * 8 = 12000
#define MAX_NETPFGA_PACKET_SIZE_BITS 16384
// digest_data, MUST be 256 bits -- not using it
struct digest_data_t {
bit<256> unused;
}
/********************************************************************************
* Parser
*/
parser RealParser(
packet_in packet,
out Parsed_packet hdr,
out user_metadata_t meta,
out digest_data_t digest_data,
inout sume_metadata_t standard_metadata) {
#include "parsers.p4"
}
@Xilinx_MaxPacketRegion(MAX_NETPFGA_PACKET_SIZE_BITS)
parser TopParser(
packet_in b,
out Parsed_packet p,
out user_metadata_t user_metadata,
out digest_data_t digest_data,
inout sume_metadata_t sume_metadata) {
RealParser() realparser;
state start {
realparser.apply(b, p, user_metadata, digest_data, sume_metadata);
transition accept;
}
}
/********************************************************************************
* Main
*/
control RealMain(
inout Parsed_packet hdr,
inout user_metadata_t meta,
inout digest_data_t digest_data,
inout sume_metadata_t sume_metadata) {
#include "actions_nat64_generic.p4"
#include "actions_egress.p4"
#include "actions_delta_checksum.p4"
//#include "netpfga_dummy.p4"
apply {
bit<17> tmp17 = 0;
/* does not compile without a table - give it a table */
//dummy_table_for_netpfga.apply();
/* continue without tables */
//#include "netpfga_nat64_stupid_hardcoded.p4"
#include "netpfga_nat64.p4"
}
}
control TopPipe(
inout Parsed_packet p,
inout user_metadata_t user_metadata,
inout digest_data_t digest_data,
inout sume_metadata_t sume_metadata) {
RealMain() realmain;
apply {
realmain.apply(p, user_metadata, digest_data, sume_metadata);
}
}
/********************************************************************************
* Deparser
*/
control RealDeParser(
packet_out packet,
in Parsed_packet hdr,
in user_metadata_t meta,
inout digest_data_t digest_data,
inout sume_metadata_t sume_metadata) {
#include "deparser.p4"
}
@Xilinx_MaxPacketRegion(MAX_NETPFGA_PACKET_SIZE_BITS)
control TopDeparser(
packet_out b,
in Parsed_packet p,
in user_metadata_t user_metadata,
inout digest_data_t digest_data,
inout sume_metadata_t sume_metadata) {
RealDeParser() realdeparser;
apply {
realdeparser.apply(b, p, user_metadata, digest_data, sume_metadata);
}
}
/********************************************************************************
* Switch
*/
SimpleSumeSwitch(
TopParser(),
TopPipe(),
TopDeparser()
) main;