blob: 0c868242387c38b2c2c075017c24a87ddd183f07 [file] [log] [blame]
/*
* Copyright 2017-present Open Networking Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __HEADERS__
#define __HEADERS__
#include "defines.p4"
@controller_header("packet_in")
header packet_in_header_t {
bit<9> ingress_port;
bit<7> _padding;
}
@controller_header("packet_out")
header packet_out_header_t {
bit<9> egress_port;
bit<7> _padding;
}
header ethernet_t {
bit<48> dst_addr;
bit<48> src_addr;
bit<16> ether_type;
}
const bit<8> ETH_HEADER_LEN = 14;
header ipv4_t {
bit<4> version;
bit<4> ihl;
bit<6> dscp;
bit<2> ecn;
bit<16> len;
bit<16> identification;
bit<3> flags;
bit<13> frag_offset;
bit<8> ttl;
bit<8> protocol;
bit<16> hdr_checksum;
bit<32> src_addr;
bit<32> dst_addr;
}
const bit<8> IPV4_MIN_HEAD_LEN = 20;
header tcp_t {
bit<16> src_port;
bit<16> dst_port;
bit<32> seq_no;
bit<32> ack_no;
bit<4> data_offset;
bit<3> res;
bit<3> ecn;
bit<6> ctrl;
bit<16> window;
bit<16> checksum;
bit<16> urgent_ptr;
}
header udp_t {
bit<16> src_port;
bit<16> dst_port;
bit<16> length_;
bit<16> checksum;
}
const bit<8> UDP_HEADER_LEN = 8;
#endif