udp_var.h

VRTX 商用嵌入式实时操作系统

/***************************************************************************
*
*               Copyright (c) 1993 READY SYSTEMS CORPORATION.
*
*       All rights reserved. READY SYSTEMS' source code is an unpublished
*       work and the use of a copyright notice does not imply otherwise.
*       This source code contains confidential, trade secret material of
*       READY SYSTEMS. Any attempt or participation in deciphering, decoding,
*       reverse engineering or in any way altering the source code is
*       strictly prohibited, unless the prior written consent of
*       READY SYSTEMS is obtained.
*
*
*       Module Name:            udp_var.h
*
*       Identification:         @(#) 2.2 udp_var.h
*
*       Date:                   9/16/94  17:36:27
*
****************************************************************************
*/

/*
 RCS header identifier - udp_var.h,v 1.2 1995/01/05 16:32:32 sriram Exp
*/
/*
 * Copyrighted as an unpublished work.
 * (c) Copyright 1987-1993 Lachman Technology, Incorporated
 * All rights reserved.
 * 
 * RESTRICTED RIGHTS
 * 
 * These programs are supplied under a license.  They may be used,
 * disclosed, and/or copied only as permitted under such license
 * agreement.  Any copy must contain the above copyright notice and
 * this restricted rights notice.  Use, copying, and/or disclosure
 * of the programs is strictly prohibited unless otherwise provided
 * in the license agreement.
 */
/*
 * Copyright (c) 1985 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */


/* **********************************************************************
 * 
 * CHANGE HISTORY:
 *
 * ----------------------------------------------------------------------
 * DATE           CHANGES
 * ----------------------------------------------------------------------
 *
 * 12/14/94       Included the Version 5 TCP compatible code for SNMP_V2.
 *                Check for #ifdef VER5_COMPAT.
 * 
 * ********************************************************************* */


#ifdef SNX
#ifndef VER5_COMPAT
#define VER5_COMPAT  /* This needs to be compiled, SNX */
#endif
#endif

#ifndef udp_var_h
#define udp_var_h

#ifdef __cplusplus
extern "C" {
#endif

/* udp_var.h	6.1	83/07/29	 */

/*
 * UDP kernel structures and variables. 
 */
struct udpiphdr {
	struct ipovly	ui_i;	/* overlaid ip structure */
	struct udphdr	ui_u;	/* udp header */
};
#define	ui_next		ui_i.ih_next
#define	ui_mblk		ui_i.ih_mblk
#define	ui_x1		ui_i.ih_x1
#define	ui_pr		ui_i.ih_pr
#define	ui_len		ui_i.ih_len
#define	ui_src		ui_i.ih_src
#define	ui_dst		ui_i.ih_dst
#define	ui_sport	ui_u.uh_sport
#define	ui_dport	ui_u.uh_dport
#define	ui_ulen		ui_u.uh_ulen
#define	ui_sum		ui_u.uh_sum

struct udpstat {
	long		udps_hdrops;
	long		udps_badsum;
	long		udps_badlen;
	long		udps_fullsock;
	long		udps_indelivers;
	long		udps_noports;
	long		udps_inerrors;
	long		udps_outtotal;
#ifdef VER5_COMPAT
    long        udps_nosr;
#endif
};

#define	UDP_TTL		30	/* deflt time to live for UDP packets */

#ifdef KERNEL
extern struct inpcb    udp_udb;
typedef struct udpdev {
	unsigned char		ud_minor;
	struct sockaddr_in	ud_fsin;
	long			ud_ftime;
} udpdev_t;
#endif	/* KERNEL */

#ifdef __cplusplus
}
#endif

#endif				/* udp_var_h */