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create P4 basis + smaller updates

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Signed-off-by: Nico Schottelius <nico@nico-notebook.schottelius.org>
This commit is contained in:
Nico Schottelius 2019-02-21 23:19:17 +01:00
commit b6bd281c3a
8 changed files with 151 additions and 3 deletions
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28
p4src/checksums.p4 Normal file
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@ -0,0 +1,28 @@
/* -*- P4_16 -*- */
#ifndef CHECKSUMS_P4
#define CHECKSUMS_P4
#include <core.p4>
#include <v1model.p4>
#include "headers.p4"
/*************************************************************************
************* C H E C K S U M V E R I F I C A T I O N *************
*************************************************************************/
control MyVerifyChecksum(inout headers hdr, inout metadata meta) {
apply {}
}
/*************************************************************************
************** C H E C K S U M C O M P U T A T I O N **************
*************************************************************************/
control MyComputeChecksum(inout headers hdr, inout metadata meta) {
apply {
}
}
#endif

1
p4src/headers.p4
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@ -14,6 +14,7 @@ typedef bit<9> port_t;
const bit<16> TYPE_IPV4 = 0x0800;
const bit<16> TYPE_IPV6 = 0x86DD;
const bit<8> TYPE_TCP = 6;
const bit<8> TCP_SEQ_LEN = 4;
header ethernet_t {

12
p4src/settings.p4 Normal file
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@ -0,0 +1,12 @@
/* -*- P4_16 -*- */
/* table sizes, register widths, and such */
#ifndef SETTINGS_P4
#define SETTINGS_P4
#include <core.p4>
#include <v1model.p4>
#define THE_ANSWER_TO_LIFE_THE_UNIVERSE_AND_EVERYTHING 42
#endif

49
p4src/static-mapping.p4 Normal file
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@ -0,0 +1,49 @@
/* -*- P4_16 -*- */
#include <core.p4>
#include <v1model.p4>
#include "headers.p4"
#include "parsers.p4"
#include "checksums.p4"
#include "settings.p4"
/*************************************************************************
************** I N G R E S S P R O C E S S I N G *******************
*************************************************************************/
control MyIngress(inout headers hdr,
inout metadata meta,
inout standard_metadata_t standard_metadata) {
apply {
}
}
/*************************************************************************
**************** E G R E S S P R O C E S S I N G *******************
*************************************************************************/
control MyEgress(inout headers hdr,
inout metadata meta,
inout standard_metadata_t standard_metadata) {
apply {
/* set tcp header valid after modifying it -- keep this in mind*/
// hdr.tcp.setValid();
}
}
/*************************************************************************
*********************** S W I T C H *******************************
*************************************************************************/
V1Switch(
MyParser(),
MyVerifyChecksum(),
MyIngress(),
MyEgress(),
MyComputeChecksum(),
MyDeparser()
) main;