diff options
Diffstat (limited to 'drivers/net/skfp/h/mbuf.h')
| -rw-r--r-- | drivers/net/skfp/h/mbuf.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/net/skfp/h/mbuf.h b/drivers/net/skfp/h/mbuf.h new file mode 100644 index 00000000000..b339d1f2e0e --- /dev/null +++ b/drivers/net/skfp/h/mbuf.h @@ -0,0 +1,54 @@ +/****************************************************************************** + * + * (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_ + +#ifndef PCI +#define M_SIZE 4550 +#else +#define M_SIZE 4504 +#endif + +#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_ */ |