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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/******************************************************************************3 *4 * (C)Copyright 1998,1999 SysKonnect,5 * a business unit of Schneider & Koch & Co. Datensysteme GmbH.6 *7 * The information in this file is provided "AS IS" without warranty.8 *9 ******************************************************************************/10 11#ifndef _MBUF_12#define _MBUF_13 14#define M_SIZE 450415 16#ifndef MAX_MBUF17#define MAX_MBUF 418#endif19 20#ifndef NO_STD_MBUF21#define sm_next m_next22#define sm_off m_off23#define sm_len m_len24#define sm_data m_data25#define SMbuf Mbuf26#define mtod smtod27#define mtodoff smtodoff28#endif29 30struct s_mbuf {31 struct s_mbuf *sm_next ; /* low level linked list */32 short sm_off ; /* offset in m_data */33 u_int sm_len ; /* len of data */34#ifdef PCI35 int sm_use_count ;36#endif37 char sm_data[M_SIZE] ;38} ;39 40typedef struct s_mbuf SMbuf ;41 42/* mbuf head, to typed data */43#define smtod(x,t) ((t)((x)->sm_data + (x)->sm_off))44#define smtodoff(x,t,o) ((t)((x)->sm_data + (o)))45 46#endif /* _MBUF_ */47