constants.h

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/*
 * Copyright (c) 2008 by Farsight Security, Inc.
 *
 * 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 NMSG_CONSTANTS_H
#define NMSG_CONSTANTS_H
 
#define NMSG_MAGIC              {'N', 'M', 'S', 'G'}
 
#define NMSG_VERSION            2U
#define NMSG_PROTOCOL_VERSION   NMSG_VERSION
 
#define NMSG_HDRSZ              6
 
#define NMSG_HDRLSZ_V2          10
 
#define NMSG_LENHDRSZ_V1        2
 
#define NMSG_LENHDRSZ_V2        4
 
#define NMSG_PAYHDRSZ           64
 
#define NMSG_WBUFSZ_MIN         512
 
#define NMSG_WBUFSZ_MAX         1048576
 
#define NMSG_WBUFSZ_JUMBO       8192
 
#define NMSG_WBUFSZ_ETHER       1280
 
#define NMSG_RBUFSZ             (2 * NMSG_WBUFSZ_MAX)
 
#define NMSG_RBUF_TIMEOUT       500
 
#define NMSG_DEFAULT_SNAPLEN    1522
 
#define NMSG_IPSZ_MAX           65536
 
/* NMSG flags */
 
#define NMSG_FLAG_ZLIB          0x01
 
#define NMSG_FLAG_FRAGMENT      0x02
 
#endif