51 lines
		
	
	
	
		
			1.3 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			51 lines
		
	
	
	
		
			1.3 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /******************************************************************************
 | ||
|  |  * | ||
|  |  *	(C)Copyright 1998,1999 SysKonnect, | ||
|  |  *	a business unit of Schneider & Koch & Co. Datensysteme GmbH. | ||
|  |  * | ||
|  |  *	This program is free software; you can redistribute it and/or modify | ||
|  |  *	it under the terms of the GNU General Public License as published by | ||
|  |  *	the Free Software Foundation; either version 2 of the License, or | ||
|  |  *	(at your option) any later version. | ||
|  |  * | ||
|  |  *	The information in this file is provided "AS IS" without warranty. | ||
|  |  * | ||
|  |  ******************************************************************************/ | ||
|  | 
 | ||
|  | #ifndef	_MBUF_
 | ||
|  | #define _MBUF_
 | ||
|  | 
 | ||
|  | #define M_SIZE	4504
 | ||
|  | 
 | ||
|  | #ifndef MAX_MBUF
 | ||
|  | #define MAX_MBUF	4
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | #ifndef NO_STD_MBUF
 | ||
|  | #define sm_next         m_next
 | ||
|  | #define sm_off          m_off
 | ||
|  | #define sm_len          m_len
 | ||
|  | #define sm_data         m_data
 | ||
|  | #define SMbuf           Mbuf
 | ||
|  | #define mtod		smtod
 | ||
|  | #define mtodoff		smtodoff
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | struct s_mbuf { | ||
|  | 	struct s_mbuf	*sm_next ;		/* low level linked list */ | ||
|  | 	short		sm_off ;			/* offset in m_data */ | ||
|  | 	u_int		sm_len ;			/* len of data */ | ||
|  | #ifdef	PCI
 | ||
|  | 	int		sm_use_count ; | ||
|  | #endif
 | ||
|  | 	char		sm_data[M_SIZE] ; | ||
|  | } ; | ||
|  | 
 | ||
|  | typedef struct s_mbuf SMbuf ; | ||
|  | 
 | ||
|  | /* mbuf head, to typed data */ | ||
|  | #define	smtod(x,t)	((t)((x)->sm_data + (x)->sm_off))
 | ||
|  | #define	smtodoff(x,t,o)	((t)((x)->sm_data + (o)))
 | ||
|  | 
 | ||
|  | #endif	/* _MBUF_ */
 |