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

#ifndef __PACKET_IO__
#define __PACKET_IO__
#include "headers.p4"
#include "parser.p4"

action _process_packet_out() {
    modify_field(EGR_PORT_FIELD, packet_out_hdr.egress_port);
    remove_header(packet_out_hdr);
}

table process_packet_out_table {
    actions {
        _process_packet_out;
    }
    default_action: _process_packet_out();
}

control ingress_pkt_io_control {
    if (valid(packet_out_hdr)) {
        apply(process_packet_out_table);
    }
}

#endif