81 lines
No EOL
1.5 KiB
Text
81 lines
No EOL
1.5 KiB
Text
/* -*- P4_16 -*- */
|
|
#ifndef HEADERS_P4
|
|
#define HEADERS_P4
|
|
|
|
#include <core.p4>
|
|
#include <v1model.p4>
|
|
|
|
typedef bit<48> mac_addr_t;
|
|
typedef bit<32> ipv4_addr_t;
|
|
typedef bit<128> ipv6_addr_t;
|
|
typedef bit<9> port_t;
|
|
|
|
|
|
const bit<16> TYPE_IPV4 = 0x0800;
|
|
const bit<16> TYPE_IPV6 = 0x86DD;
|
|
const bit<8> TYPE_TCP = 6;
|
|
|
|
|
|
header ethernet_t {
|
|
mac_addr_t dst_addr;
|
|
mac_addr_t src_addr;
|
|
bit<16> ethertype;
|
|
}
|
|
|
|
header ipv4_t {
|
|
bit<4> version;
|
|
bit<4> ihl;
|
|
bit<6> diff_serv;
|
|
bit<2> ecn;
|
|
bit<16> totalLen;
|
|
bit<16> identification;
|
|
bit<3> flags;
|
|
bit<13> fragOffset;
|
|
bit<8> ttl;
|
|
bit<8> protocol;
|
|
bit<16> hdrChecksum;
|
|
ipv4_addr_t src_addr;
|
|
ipv4_addr_t dst_addr;
|
|
}
|
|
|
|
/* https://en.wikipedia.org/wiki/IPv6_packet */
|
|
header ipv6_t {
|
|
bit<4> version;
|
|
bit<8> traffic_class;
|
|
bit<20> flow_label;
|
|
bit<16> payload_length;
|
|
bit<8> next_header;
|
|
bit<8> hop_limit;
|
|
ipv6_addr_t src_addr;
|
|
ipv6_addr_t dst_addr;
|
|
}
|
|
|
|
header tcp_t{
|
|
bit<16> src_port;
|
|
bit<16> dst_port;
|
|
int<32> seqNo;
|
|
int<32> ackNo;
|
|
bit<4> data_offset;
|
|
bit<4> res;
|
|
bit<1> cwr;
|
|
bit<1> ece;
|
|
bit<1> urg;
|
|
bit<1> ack;
|
|
bit<1> psh;
|
|
bit<1> rst;
|
|
bit<1> syn;
|
|
bit<1> fin;
|
|
bit<16> window;
|
|
bit<16> checksum;
|
|
bit<16> urgentPtr;
|
|
}
|
|
|
|
struct headers {
|
|
ethernet_t ethernet;
|
|
ipv4_t ipv4;
|
|
ipv6_t ipv6;
|
|
tcp_t tcp;
|
|
rewrite_header_t rewrite;
|
|
}
|
|
|
|
#endif |