tools/test/p4src/p4-14/include/headers.p4

#ifndef __HEADERS_P4__
#define __HEADERS_P4__

#ifdef __TOFINO_BUILD__
#include <tofino/intrinsic_metadata.p4>
#endif

header_type packet_in_t {
    fields {
        ingress_port: 9;
    }
}

header_type packet_out_t {
    fields {
        egress_port: 9;
    }
}

header_type ethernet_t {
    fields {
        dstAddr : 48;
        srcAddr : 48;
        etherType : 16;
    }
}

header_type ipv4_t {
    fields {
        version : 4;
        ihl : 4;
        diffserv : 8;
        totalLen : 16;
        identification : 16;
        flags : 3;
        fragOffset : 13;
        ttl : 8;
        protocol : 8;
        hdrChecksum : 16;
        srcAddr : 32;
        dstAddr: 32;
    }
}

header_type tcp_t {
    fields {
        srcPort : 16;
        dstPort : 16;
        seqNo : 32;
        ackNo : 32;
        dataOffset : 4;
        res : 3;
        ecn : 3;
        ctrl : 6;
        window : 16;
        checksum : 16;
        urgentPtr : 16;
    }
}

header_type udp_t {
    fields {
        srcPort : 16;
        dstPort : 16;
        length_ : 16;
        checksum : 16;
    }
}

#endif