lwq.h

用于嵌入式系统的TCP/IP协议栈及若干服务

/*
*            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]
*
*************************************************************************
*  $Source: M:/psisrc/stack/incl/rcs/lwq.h $
**************************************************************************
*  File Description:  LWQ definitions
*
**************************************************************************/

#ifdef LWQ

#ifndef __LWQ__
#define __LWQ__

#include "config.h"
#include "ccdep.h"
#include "std.h"
#include "q.h"
#include "timer.h"
#include "socket.h"
#include "dsu.h"
#include "netdev.h"
#include "m.h"

#define SML_PKT_SIZE    128
#define m_list          ndp->nd_mlist
#define lwq_lpkts       ((int)ndp->nd_lpkts)
#define lwq_spkts       ((int)ndp->nd_spkts)
#define lwq_pkts        ((int)(ndp->nd_spkts + ndp->nd_lpkts))

import  boolean lwq_debug, lwq_trace;
import  u32     nc_hsize;
import  int     os_disintr(void);
import  void    os_resintr(int savpri);

#define NUMBER_LARGE_PACKETS    8
#define NUMBER_SMALL_PACKETS    20

import  void    lwq_init (netdev * ndp);
import  m       * lwq_getbuf (netdev * ndp, int len);
import  int     lwq_alobuf (void * ndptr);
import  int     lwq_rlsbuf (netdev * ndp);
import  q       * lq_out (q * qp);
import   char   * lq_outparent (q * qp);
import   char * lq_outhead (q * qp);
import   q * lq_in (q * a, q * b);
import  void lwq_recv_task (netdev * ndp, st (*fn)(m * mp));
#endif /* __LWQ__ */

#endif /* LWQ */