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integrate netpfga/p4 generic

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Nico Schottelius 2019-07-10 22:28:37 +02:00
commit ff1688e3b2
13 changed files with 213 additions and 896 deletions
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49
p4src/parsers.p4
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@ -2,15 +2,7 @@
#ifndef PARSERS_P4
#define PARSERS_P4
#include <core.p4>
#include <v1model.p4>
#include "headers.p4"
parser MyParser(packet_in packet,
out headers hdr,
inout metadata meta,
inout standard_metadata_t standard_metadata) {
/* to be included into the parser block */
state start {
meta.chk_icmp = 0;
@ -21,6 +13,8 @@ parser MyParser(packet_in packet,
meta.chk_udp_v4 = 0;
meta.chk_tcp_v6 = 0;
meta.chk_tcp_v4 = 0;
meta.v4sum = 0;
meta.v6sum = 0;
packet.extract(hdr.ethernet);
transition select(hdr.ethernet.ethertype){
@ -74,7 +68,6 @@ parser MyParser(packet_in packet,
transition accept;
}
/* Leaf */
state tcp {
packet.extract(hdr.tcp);
@ -86,11 +79,6 @@ parser MyParser(packet_in packet,
transition accept;
}
// state icmp6 {
// packet.extract(hdr.icmp6);
// transition accept;
// }
state icmp {
packet.extract(hdr.icmp);
transition accept;
@ -101,36 +89,5 @@ parser MyParser(packet_in packet,
transition accept;
}
}
/*************************************************************************
************************ D E P A R S E R *******************************
*************************************************************************/
control MyDeparser(packet_out packet, in headers hdr) {
apply {
/* always */
packet.emit(hdr.ethernet);
/* only if information is sent to the controller */
packet.emit(hdr.cpu);
/* either */
packet.emit(hdr.ipv4);
packet.emit(hdr.ipv6);
packet.emit(hdr.arp);
/* either */
packet.emit(hdr.tcp);
packet.emit(hdr.udp);
packet.emit(hdr.icmp);
/* might be more than one subtype */
packet.emit(hdr.icmp6);
packet.emit(hdr.icmp6_na_ns);
packet.emit(hdr.icmp6_option_link_layer_addr);
}
}
#endif