pr.h

来自「用于嵌入式系统的TCP/IP协议栈及若干服务」· C头文件 代码 · 共 90 行

/*
*            Copyright (c) 1998-2001 by NETsilicon Inc.
*
*  This software is copyrighted by and is the sole property of
*  NETsilicon.  All rights, title, ownership, or other interests
*  in the software remain the property of NETsilicon.  This
*  software may only be used in accordance with the corresponding
*  license agreement.  Any unauthorized use, duplication, transmission,
*  distribution, or disclosure of this software is expressly forbidden.
*
*  This Copyright notice may not be removed or modified without prior
*  written consent of NETsilicon.
*
*  NETsilicon, reserves the right to modify this software
*  without notice.
*
*  NETsilicon
*  411 Waverley Oaks Road                  USA 781.647.1234
*  Suite 227                               http://www.netsilicon.com
*  Waltham, MA 02452                       [e-mail]
*
*************************************************************************
*  $Name: Fusion 6.52 Fusion 6.51 $
*  $Date: 2002/01/03 17:41:10 $
*  $Source: M:/psisrc/stack/incl/rcs/pr.h $
*  $Revision: 1.9 $
**************************************************************************
*  File Description:  Definitions and macros for dealing with
*                     the `pr_t' structure
**************************************************************************/

#ifndef _PR_
#define _PR_

#include "config.h"
#include "ccdep.h"
#include "std.h"
#include "socket.h"
#include "q.h"
#include "timer.h"
#include "dsu.h"
#include "psu.h"
#include "so.h"

/* protocol switch */
typedef struct pr_t {
	u16 pr_af;      /* address format */
	u16 pr_protocol;
	u16 pr_type;
	u16 pr_flags;
	int (*pr_init)(struct pr_t * prp);
	int (*pr_accept)(struct so_t * sop, int *nfdp, int flags, saddr *addrname, int *addrlenp);
	int (*pr_attach)(struct so_t * sop);
	int (*pr_bind)(struct so_t * sop, saddr * to, int to_len);
	int (*pr_connect)(struct so_t * sop, saddr * to, int to_len);
	int (*pr_ioctl)(struct so_t * sop, int cmnd, u32 * addr, int len);
	int (*pr_getopt)(struct so_t * sop, int level, int optname, char * optval, int * optlen);
	int (*pr_listen)(struct so_t * sop, int backlog);
	int (*pr_inaddr)(saddr * to, int to_len, so_addr * dest);
	int (*pr_outaddr)(struct so_t * sop, saddr * name, int * namelen, int type);
	int (*pr_pair)(struct so_t *, struct so_t *);
	int (*pr_recv)(struct so_t * sop, char * buf, int * blenp, int flags);
	int (*pr_send)(struct so_t * sop, char * buf, int * blenp, int flags);
	int (*pr_setopt)(struct so_t * sop, int level, int optname, u8 * optval, int optlen);
	int (*pr_shutdown)(struct so_t * sop, int direction);
	st  (*pr_up)(struct m *);
	int (* pr_close)(struct so_t * sop);
	st  (*pr_err)(struct m *);
	int (*pr_dink)(struct m *);
	int (*pr_reject)(struct so_t *, boolean);
	int (*pr_cabort)(struct so_t *);
#ifdef IP_RFC_1191
	int (*pr_pmtu_change_notif)(u32 host,u16 new_pmtu);
#endif /* IP_RFC_1191 */

	char            * pr_name;  /* protocol's name */
} pr_t;

/* flags for pr_t.pr_flags */
#define F_PR_NEEDS_CONNECT  0x0001
#ifdef TCP_TRANSACTION_TCP
/* The following flag means that the protocol can take a MSG_EOF flag on the
   "send" or "sendto" call, and that the protocol can take a "sendto" specifiying
   a destination address without there having been a previous "connect" call. The
   "sendto" will do an implied open.
*/
#define F_PR_IMPLOPCL       0x0002
#endif /* TCP_TRANSACTION_TCP */
#endif  /*_PR_*/