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My.p4
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// Copyright (c) 2022 Centre National de la Recherche Scientifique All Rights Reserved.
//
// This file is part of MOSAICO PROJECT.
//
// MOSAICO PROJECT is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// MOSAICO PROJECT is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with MOSAICO PROJECT. See the file COPYING. If not, see <http://www.gnu.org/licenses/>.
/*
Basic P4 switch program for tutor. (with simple functional support)
*/
#include <core.p4>
#include <v1model.p4>
#include "includes/headers.p4"
//#include "includes/actions.p4"
#include "includes/checksums.p4"
#include "includes/parser.p4"
// application
#include "includes/ipv4_forward.p4"
#include "includes/packetio.p4"
#define WIN_SZE 33000 // CSTE 33 ms = 33 000 microsecs
//------------------------------------------------------------------------------
// INGRESS PIPELINE
//------------------------------------------------------------------------------
control basic_tutorial_ingress(
inout headers_t hdr,
inout metadata_t metadata,
inout standard_metadata_t standard_metadata
){
// Registers GEN
register<bit<64>>(1024) flow_tracker; // Cf Keys
register<bit<48>>(1024) flow_frst_time;
// Registers DOWN
register<bit<12>>(1024) DW_Nbelem; // NbElems
register<bit<32>>(1024) DW_Sum_SZE;
register<bit<32>>(1024) DW_Dlt_SZE; // (val-old-MU)**2
register<bit<32>>(1024) DW_Lst_Mu_SZE; // Last mean for SZE
register<bit<48>>(1024) DW_flow_tst;
register<bit<48>>(1024) DW_Dlt_IAT; // (val-old-MU)**2
register<bit<48>>(1024) DW_Lst_Mu_IAT; // Last mean for IAT
// Registers UP
register<bit<12>>(1024) UP_Nbelem; // NbElems
register<bit<32>>(1024) UP_Sum_SZE;
register<bit<32>>(1024) UP_Dlt_SZE; // (val-old-MU)**2
register<bit<32>>(1024) UP_Lst_Mu_SZE; // Last mean for SZE
register<bit<48>>(1024) UP_flow_tst;
register<bit<48>>(1024) UP_Dlt_IAT; // (val-old-MU)**2
register<bit<48>>(1024) UP_Lst_Mu_IAT; // Last mean for IAT
// REGISTER DEBUG : TEMPORARY
register<bit<12>>(1024) Write12Bits;
register<bit<32>>(1024) Write32Bits;
register<bit<48>>(1024) Write48Bits;
register<bit<1>>(1024) Write1Bit;
// Meta
tracking_metadata_t track_meta; // Cf Header.p4
// Read From Packet
bit<32> siz; // Current SZE
bit<48> arrival_time; // Current TIMST
// Computed
bit<12> nbElem;
bit<32> sumSze;
bit<32> sumSzeDlt;
bit<48> sumIatDlt;
bit<48> inter_arrival_time; // Computed IAT
// KNOW TRAFFIC DIRECTION
bool up=false;
action src_CLT(){
up=true;
}
table Direc {
key = {
hdr.ipv4.srcAddr[31:16]: exact;// IP src in LAN
}
actions = {src_CLT;}
}
// ACTIONS DIVIDE
action Pow(bit<8> powera,bit<8> powerb, bit<8> powerc){
track_meta.mMeanSZ=(track_meta.mSumSzeInTable>>powera) + (track_meta.mSumSzeInTable>>powerb) + (track_meta.mSumSzeInTable>>powerc);
track_meta.mStdSZ=(track_meta.mSumSzeDltInTable>>powera)+(track_meta.mSumSzeDltInTable>>powerb)+(track_meta.mSumSzeDltInTable>>powerc);
bit<48> WinS=WIN_SZE;
track_meta.mMeanIAT=(WinS>>powera)+(WinS>>powerb)+(WinS>>powerc);
track_meta.mStdIAT=(track_meta.mSumIatDltInTable>>powera)+(track_meta.mSumIatDltInTable>>powerb)+(track_meta.mSumIatDltInTable>>powerc);
}
// Direc 1
table Divide1 {
key = {
track_meta.mNbElemInTable:range;
}
actions = {Pow;}
}
// Direc 2
table Divide2 {
key = {
track_meta.mNbElemInTable:range;
}
actions = {Pow;}
}
// FEATURES RULES
// DW
action setIndex0(bit<6> index){
track_meta.actionFt0=index;
}
table Feat0ruls{
key={
track_meta.mDWMeanSZ:range;
}
actions={setIndex0;}
}
action setIndex1(bit<6> index){
track_meta.actionFt1=index;
}
table Feat1ruls{
key={
track_meta.mDWStdSZ:range;
}
actions={setIndex1;}
}
action setIndex2(bit<6> index){
track_meta.actionFt2=index;
}
table Feat2ruls{
key={
track_meta.mDWMeanIAT:range;
}
actions={setIndex2;}
}
action setIndex3(bit<6> index){
track_meta.actionFt3=index;
}
table Feat3ruls{
key={
track_meta.mDWStdIAT:range;
}
actions={setIndex3;}
}
action setIndex4(bit<6> index){
track_meta.actionFt4=index;
}
table Feat4ruls{
key={
track_meta.mDWSum:range;
}
actions={setIndex4;}
}
action setIndex5(bit<6> index){
track_meta.actionFt5=index;
}
table Feat5ruls{
key={
track_meta.mDWNb:range;
}
actions={setIndex5;}
}
// UP
action setIndex6(bit<6> index){
track_meta.actionFt6=index;
}
table Feat6ruls{
key={
track_meta.mUPMeanSZ:range;
}
actions={setIndex6;}
}
action setIndex7(bit<6> index){
track_meta.actionFt7=index;
}
table Feat7ruls{
key={
track_meta.mUPStdSZ:range;
}
actions={setIndex7;}
}
action setIndex8(bit<6> index){
track_meta.actionFt8=index;
}
table Feat8ruls{
key={
track_meta.mUPMeanIAT:range;
}
actions={setIndex8;}
}
action setIndex9(bit<6> index){
track_meta.actionFt9=index;
}
table Feat9ruls{
key={
track_meta.mUPStdIAT:range;
}
actions={setIndex9;}
}
action setIndex10(bit<6> index){
track_meta.actionFt10=index;
}
table Feat10ruls{
key={
track_meta.mUPSum:range;
}
actions={setIndex10;}
}
action setIndex11(bit<6> index){
track_meta.actionFt11=index;
}
table Feat11ruls{
key={
track_meta.mUPNb:range;
}
actions={setIndex11;}
}
// ACTION RULES DICTIONARY
action Set_Traffic(bit<1> CG){
track_meta.is_CG=CG;
}
table ActRules{
key={
// DOWN
track_meta.actionFt0:range;
track_meta.actionFt1:range;
track_meta.actionFt2:range;
track_meta.actionFt3:range;
track_meta.actionFt4:range;
track_meta.actionFt5:range;
// UP
track_meta.actionFt6:range;
track_meta.actionFt7:range;
track_meta.actionFt8:range;
track_meta.actionFt9:range;
track_meta.actionFt10:range;
track_meta.actionFt11:range;
}
actions={Set_Traffic;}
}
// Hachage niveau flux
action gen_hash(bit<32> ipAddr1, bit<32> ipAddr2){
// Packet TIMST
arrival_time = standard_metadata.ingress_global_timestamp;
// Compute Hash : -> mIndex and compute KEY (concat) 1024 est le Max du Hash
hash(track_meta.mIndex, HashAlgorithm.crc16, (bit<32>)0, {ipAddr1, ipAddr2}, (bit<32>)1024);
track_meta.mKeyCarried = (bit<64>)(hdr.ipv4.srcAddr++hdr.ipv4.dstAddr);
// Check if collision or end of window
flow_tracker.read(track_meta.mKeyInTable, track_meta.mIndex);
flow_frst_time.read(track_meta.mFrstTimeInTable, track_meta.mIndex);
track_meta.mSwapSpace = (track_meta.mKeyInTable - track_meta.mKeyCarried)*track_meta.mKeyInTable; // COLLISION <=> !=0
track_meta.mEndWin = ( (track_meta.mFrstTimeInTable != 0 && arrival_time - track_meta.mFrstTimeInTable > WIN_SZE) ? (bit<1>)1 : (bit<1>)0 );
// Collision or End Window or Frst : update start
flow_frst_time.write(track_meta.mIndex,((track_meta.mSwapSpace == 0 && track_meta.mEndWin == 0 && track_meta.mFrstTimeInTable != 0) ? track_meta.mFrstTimeInTable : arrival_time ));
}
// NOT END WINDOW
action updateDOWN(){
siz = (bit<32>)(hdr.ipv4.totalLen - (bit<16>)hdr.ipv4.minSizeInBytes() - (bit<16>)hdr.udp.minSizeInBytes());
arrival_time = standard_metadata.ingress_global_timestamp;
// READ Values :
DW_Nbelem.read(track_meta.mNbElemInTable, track_meta.mIndex);
DW_Sum_SZE.read(track_meta.mSumSzeInTable, track_meta.mIndex);
DW_Dlt_SZE.read(track_meta.mSumSzeDltInTable, track_meta.mIndex);// (xi-MU)**2
DW_flow_tst.read(track_meta.mLastTimeInTable, track_meta.mIndex);
DW_Dlt_IAT.read(track_meta.mSumIatDltInTable, track_meta.mIndex);// (xi-MU)**2
// Last Means : 2
DW_Lst_Mu_SZE.read(track_meta.mLstMuSze, track_meta.mIndex);
DW_Lst_Mu_IAT.read(track_meta.mLstMuIat, track_meta.mIndex);
// UPDATING
nbElem=track_meta.mNbElemInTable+1;
sumSze=track_meta.mSumSzeInTable+siz;
inter_arrival_time= (track_meta.mLastTimeInTable != 0) ? arrival_time - track_meta.mLastTimeInTable : 0;// IAT if >= 2 elements
// if not first flow window
sumSzeDlt=(track_meta.mLstMuSze != 0) ? track_meta.mSumSzeDltInTable + (siz-track_meta.mLstMuSze)*(siz-track_meta.mLstMuSze) : 0;
sumIatDlt=(track_meta.mLstMuIat != 0 && inter_arrival_time != 0) ? track_meta.mSumIatDltInTable + (inter_arrival_time-track_meta.mLstMuIat)*(inter_arrival_time-track_meta.mLstMuIat) : 0;
// UPDATE Values
DW_Nbelem.write(track_meta.mIndex,nbElem);
DW_Sum_SZE.write(track_meta.mIndex,sumSze);
DW_Dlt_SZE.write(track_meta.mIndex,sumSzeDlt);// (xi-MU)**2
DW_flow_tst.write(track_meta.mIndex,arrival_time);
DW_Dlt_IAT.write(track_meta.mIndex,sumIatDlt);// (xi-MU)**2
}
action updateUP(){
siz = (bit<32>)(hdr.ipv4.totalLen - (bit<16>)hdr.ipv4.minSizeInBytes() - (bit<16>)hdr.udp.minSizeInBytes());
arrival_time = standard_metadata.ingress_global_timestamp;
// READ Values :
UP_Nbelem.read(track_meta.mNbElemInTable, track_meta.mIndex);
UP_Sum_SZE.read(track_meta.mSumSzeInTable, track_meta.mIndex);
UP_Dlt_SZE.read(track_meta.mSumSzeDltInTable, track_meta.mIndex);// (xi-MU)**2
UP_flow_tst.read(track_meta.mLastTimeInTable, track_meta.mIndex);
UP_Dlt_IAT.read(track_meta.mSumIatDltInTable, track_meta.mIndex);// (xi-MU)**2
// Last Means : 2
UP_Lst_Mu_SZE.read(track_meta.mLstMuSze, track_meta.mIndex);
UP_Lst_Mu_IAT.read(track_meta.mLstMuIat, track_meta.mIndex);
// UPDATING
nbElem=track_meta.mNbElemInTable+1;
sumSze=track_meta.mSumSzeInTable+siz;
inter_arrival_time= (track_meta.mLastTimeInTable != 0) ? arrival_time - track_meta.mLastTimeInTable : 0;// IAT if >= 2 elements
// if not first flow window
sumSzeDlt=(track_meta.mLstMuSze != 0) ? track_meta.mSumSzeDltInTable + (siz-track_meta.mLstMuSze)*(siz-track_meta.mLstMuSze) : 0;
sumIatDlt=(track_meta.mLstMuIat != 0 && inter_arrival_time != 0) ? track_meta.mSumIatDltInTable + (inter_arrival_time-track_meta.mLstMuIat)*(inter_arrival_time-track_meta.mLstMuIat) : 0;
// UPDATE Values
UP_Nbelem.write(track_meta.mIndex,nbElem);
UP_Sum_SZE.write(track_meta.mIndex,sumSze);
UP_Dlt_SZE.write(track_meta.mIndex,sumSzeDlt);// (xi-MU)**2
UP_flow_tst.write(track_meta.mIndex,arrival_time);
UP_Dlt_IAT.write(track_meta.mIndex,sumIatDlt);// (xi-MU)**2
}
// WHEN END WINDOW OR COLLISION
action initDOWN(){
siz = (bit<32>)(hdr.ipv4.totalLen - (bit<16>)hdr.ipv4.minSizeInBytes() - (bit<16>)hdr.udp.minSizeInBytes());
DW_Nbelem.write(track_meta.mIndex,(bit<12>)1);
DW_Sum_SZE.write(track_meta.mIndex,(bit<32>)siz);
DW_flow_tst.write(track_meta.mIndex,(bit<48>)arrival_time);
// STD SZE
DW_Lst_Mu_SZE.read(track_meta.mLstMuSze, track_meta.mIndex);
sumSzeDlt=(track_meta.mLstMuSze != 0) ? (siz-track_meta.mLstMuSze)*(siz-track_meta.mLstMuSze) : 0;
DW_Dlt_SZE.write(track_meta.mIndex,(bit<32>)sumSzeDlt);
// STD IAT
DW_Dlt_IAT.write(track_meta.mIndex,(bit<48>)0);
UP_Nbelem.write(track_meta.mIndex,(bit<12>)0);
UP_Sum_SZE.write(track_meta.mIndex,(bit<32>)0);
UP_Dlt_SZE.write(track_meta.mIndex,(bit<32>)0);
UP_flow_tst.write(track_meta.mIndex,(bit<48>)0);
UP_Dlt_IAT.write(track_meta.mIndex,(bit<48>)0);
}
action initUP(){
siz = (bit<32>)(hdr.ipv4.totalLen - (bit<16>)hdr.ipv4.minSizeInBytes() - (bit<16>)hdr.udp.minSizeInBytes());
UP_Nbelem.write(track_meta.mIndex,(bit<12>)1);
UP_Sum_SZE.write(track_meta.mIndex,(bit<32>)siz);
UP_flow_tst.write(track_meta.mIndex,(bit<48>)arrival_time);
// STD SZE
UP_Lst_Mu_SZE.read(track_meta.mLstMuSze, track_meta.mIndex);
sumSzeDlt=(track_meta.mLstMuSze != 0) ? (siz-track_meta.mLstMuSze)*(siz-track_meta.mLstMuSze) : 0;
UP_Dlt_SZE.write(track_meta.mIndex,(bit<32>)sumSzeDlt);
// STD IAT
UP_Dlt_IAT.write(track_meta.mIndex,(bit<48>)0);
DW_Nbelem.write(track_meta.mIndex,(bit<12>)0);
DW_Sum_SZE.write(track_meta.mIndex,(bit<32>)0);
DW_Dlt_SZE.write(track_meta.mIndex,(bit<32>)0);
DW_flow_tst.write(track_meta.mIndex,(bit<48>)0);
DW_Dlt_IAT.write(track_meta.mIndex,(bit<48>)0);
}
// RETRIEVE DATS META CLASSIF
action retrieveDW(){
DW_Nbelem.read(track_meta.mNbElemInTable,track_meta.mIndex);
DW_Sum_SZE.read(track_meta.mSumSzeInTable,track_meta.mIndex);
DW_Dlt_SZE.read(track_meta.mSumSzeDltInTable,track_meta.mIndex);
DW_Dlt_IAT.read(track_meta.mSumIatDltInTable,track_meta.mIndex);
}
action retrieveUP(){
UP_Nbelem.read(track_meta.mNbElemInTable,track_meta.mIndex);
UP_Sum_SZE.read(track_meta.mSumSzeInTable,track_meta.mIndex);
UP_Dlt_SZE.read(track_meta.mSumSzeDltInTable,track_meta.mIndex);
UP_Dlt_IAT.read(track_meta.mSumIatDltInTable,track_meta.mIndex);
}
/*
action fill_meta(){
metadata.send_cont = (bit<1>)1;
metadata.siz = track_meta.mSizeCurrent;
metadata.count = track_meta.mCountCurrent;
metadata.iat = track_meta.mIatCurrent;
metadata.class = class;
classified.write(track_meta.mIndex, class);
}
*/
/*
action send_to_controller(bit<16> srcport, bit<16> dstport){
hdr.packet_in.setValid();
metadata.overflow_flag = (bit<1>) 1;
standard_metadata.egress_spec = CPU_PORT;
hdr.packet_in.ingress_port = (bit<16>)standard_metadata.ingress_port;
}
*/
apply {
if (hdr.ipv4.isValid() && hdr.ipv4.ttl > 0) {//IP4 OKAY
// Forwarding
ipv4_forwarding.apply(hdr, metadata, standard_metadata);
// First Filter : CG
if (hdr.udp.isValid()){// UDP TRAFFIC
// Get to know direction
Direc.apply();
// Compute Hash & Window size
if (up){
gen_hash(hdr.ipv4.srcAddr, hdr.ipv4.dstAddr);
}
else{
gen_hash(hdr.ipv4.dstAddr, hdr.ipv4.srcAddr);
}
// End Window OR Collision OR new element : init
if (track_meta.mEndWin == 1 || track_meta.mSwapSpace != 0 || track_meta.mFrstTimeInTable == 0){
if(track_meta.mEndWin == 1){// Retrieve Values Down & Up -> Metas
// FEATURES DOWN
retrieveDW();
track_meta.mDWMeanSZ=0;
track_meta.mDWStdSZ=0;
track_meta.mDWMeanIAT=0;
track_meta.mDWStdIAT=0;
track_meta.mDWSum=track_meta.mSumSzeInTable;
track_meta.mDWNb=track_meta.mNbElemInTable;
if(track_meta.mNbElemInTable>0){// More than One packet
Divide1.apply();
track_meta.mDWMeanSZ=track_meta.mMeanSZ;
track_meta.mDWStdSZ=track_meta.mStdSZ;
track_meta.mDWMeanIAT=track_meta.mMeanIAT;
track_meta.mDWStdIAT=track_meta.mStdIAT;
}
// DEBUG : SEE FEATURES DW
Write32Bits.write(track_meta.mIndex,track_meta.mDWMeanSZ);
Write32Bits.write(track_meta.mIndex,track_meta.mDWStdSZ);
Write48Bits.write(track_meta.mIndex,track_meta.mDWMeanIAT);
Write48Bits.write(track_meta.mIndex,track_meta.mDWStdIAT);
Write32Bits.write(track_meta.mIndex,track_meta.mDWSum); // SUM SZE
Write12Bits.write(track_meta.mIndex,track_meta.mDWNb); // NB PAKS
// Last Mean
DW_Lst_Mu_SZE.write(track_meta.mIndex,track_meta.mDWMeanSZ);
DW_Lst_Mu_IAT.write(track_meta.mIndex,track_meta.mDWMeanIAT);
// FEATURES UP
retrieveUP();
track_meta.mUPMeanSZ=0;
track_meta.mUPStdSZ=0;
track_meta.mUPMeanIAT=0;
track_meta.mUPStdIAT=0;
track_meta.mUPSum=track_meta.mSumSzeInTable;
track_meta.mUPNb=track_meta.mNbElemInTable;
if(track_meta.mNbElemInTable>0){// More than One Packet
Divide2.apply();
track_meta.mUPMeanSZ=track_meta.mMeanSZ;
track_meta.mUPStdSZ=track_meta.mStdSZ;
track_meta.mUPMeanIAT=track_meta.mMeanIAT;
track_meta.mUPStdIAT=track_meta.mStdIAT;
}
// DEBUG : SEE FEATURES UP
Write32Bits.write(track_meta.mIndex,track_meta.mUPMeanSZ);
Write32Bits.write(track_meta.mIndex,track_meta.mUPStdSZ);
Write48Bits.write(track_meta.mIndex,track_meta.mUPMeanIAT);
Write48Bits.write(track_meta.mIndex,track_meta.mUPStdIAT);
Write32Bits.write(track_meta.mIndex,track_meta.mUPSum); // SUM SZE
Write12Bits.write(track_meta.mIndex,track_meta.mUPNb); // NB PAKS
// Last Mean
UP_Lst_Mu_SZE.write(track_meta.mIndex,track_meta.mUPMeanSZ);
UP_Lst_Mu_IAT.write(track_meta.mIndex,track_meta.mUPMeanIAT);
// DEBUG : write idf conversation
Write32Bits.write(track_meta.mIndex,track_meta.mIndex);
// Compute Indexes
Feat0ruls.apply();
Feat1ruls.apply();
Feat2ruls.apply();
Feat3ruls.apply();
Feat4ruls.apply();
Feat5ruls.apply();
Feat6ruls.apply();
Feat7ruls.apply();
Feat8ruls.apply();
Feat9ruls.apply();
Feat10ruls.apply();
Feat11ruls.apply();
// Classify F(Indexes)
ActRules.apply();
// DEBUG : write if CG or NOT
Write1Bit.write(track_meta.mIndex,track_meta.is_CG);
}
if (up){// Init Uplink
initUP();
}
else{// Init Downlink
initDOWN();
}
}
else{
if (up){// Update Uplink
updateUP();
}
else{// Update Downlink
updateDOWN();
}
}
/*
if (end_window == (bit<1>)1) {
//classify_count_table.apply();
//classify_size_table.apply();
//classify_iat_table.apply();
if (class_diff == (bit<1>)1) {
fill_meta();
}
//send_to_classify((bit<16>)0);
}
if (metadata.send_cont == (bit<1>)1) {
send_to_controller(metadata.l4_src_port, metadata.l4_dst_port);
}
*/
}
}
}
}
//------------------------------------------------------------------------------
// EGRESS PIPELINE
//------------------------------------------------------------------------------
control basic_tutorial_egress(
inout headers_t hdr,
inout metadata_t metadata,
inout standard_metadata_t standard_metadata
){
apply {
// Pipelines in Egress
packetio_egress.apply(hdr,metadata,standard_metadata);
}
}
//------------------------------------------------------------------------------
// SWITCH ARCHITECTURE
//------------------------------------------------------------------------------
V1Switch(
basic_tutor_switch_parser(),
basic_tutor_verifyCk(),
basic_tutorial_ingress(),
basic_tutorial_egress(),
basic_tutor_computeCk(),
basic_tutor_switch_deparser()
) main;