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153 lines
4.3 KiB
C
153 lines
4.3 KiB
C
/*
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* Copyright (C) 1990 by NeXT, Inc., All Rights Reserved
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*
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*/
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/*
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* Network Interface API
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*
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* HISTORY
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* 09-Apr-90 Bradley Taylor (btaylor) at NeXT, Inc.
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* Created. Some parts originally part of <net/if.h>.
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*/
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#ifndef _NETIF_
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#define _NETIF_
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#ifndef _NETBUF_
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#include <net/netbuf.h>
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#endif
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/*
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* BEGIN: BSD copyrighted material
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*/
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/*
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* Copyright (c) 1982, 1986 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*
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*/
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#define IFF_UP 0x1 /* interface is up */
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#define IFF_BROADCAST 0x2 /* broadcast address valid */
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#define IFF_DEBUG 0x4 /* turn on debugging */
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#define IFF_LOOPBACK 0x8 /* is a loopback net */
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#define IFF_POINTTOPOINT 0x10 /* interface is point-to-point link */
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#define IFF_POINTOPOINT 0x10 /* interface is point-to-point link */
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#define IFF_NOTRAILERS 0x20 /* avoid use of trailers */
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#define IFF_RUNNING 0x40 /* resources allocated */
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#define IFF_NOARP 0x80 /* no address resolution protocol */
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/* next two not supported now, but reserved: */
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#define IFF_PROMISC 0x100 /* receive all packets */
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#define IFF_ALLMULTI 0x200 /* receive all multicast packets */
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#define IFF_D1 0x400 /* For CSLIP */
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#define IFF_D2 0x800 /* For CSLIP */
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#define IFF_D3 0x1000 /* For CSLIP */
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#define IFF_COMPAC IFF_D1 /* For PPP */
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#define IFF_COMPPROT 0x2000 /* For PPP */
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/*
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* END: BSD copyrighted material
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*/
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#define IFF_AUTOCONF 0x4000 /* Network is autoconfiguring */
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#define IFF_AUTODONE 0x8000 /* Network has autoconfigured */
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typedef enum netif_class {
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NETIFCLASS_REAL = 0,
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NETIFCLASS_VIRTUAL = 0x1000,
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NETIFCLASS_SNIFFER = 0x2000
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} netif_class_t;
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#ifdef KERNEL
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extern const char IFCONTROL_SETFLAGS[];
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extern const char IFCONTROL_SETADDR[];
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extern const char IFCONTROL_GETADDR[];
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extern const char IFCONTROL_AUTOADDR[];
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extern const char IFCONTROL_UNIXIOCTL[];
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typedef struct if_ioctl {
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unsigned ioctl_command;
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void *ioctl_data;
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} if_ioctl_t;
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typedef struct { char opaque[1]; } *netif_t;
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typedef int (*if_input_func_t)(netif_t netif, netif_t realnetif,
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netbuf_t nb, void *extra);
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typedef int (*if_init_func_t)(netif_t netif);
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typedef int (*if_output_func_t)(netif_t netif, netbuf_t nb, void *address);
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typedef netbuf_t (*if_getbuf_func_t)(netif_t netif);
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typedef int (*if_control_func_t)(netif_t netif, const char *command,
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void *data);
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typedef void (*if_attach_func_t)(void *private, netif_t realif);
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extern int if_output(netif_t netif, netbuf_t packet, void *addr);
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extern int if_init(netif_t netif);
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extern int if_control(netif_t netif, const char *command, void *data);
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extern int if_ioctl(netif_t netif, unsigned command, void *data);
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extern netbuf_t if_getbuf(netif_t netif);
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extern int if_handle_input(netif_t netif, netbuf_t nb, void *extra);
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extern netif_t if_attach(if_init_func_t init_func,
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if_input_func_t input_func,
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if_output_func_t output_func,
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if_getbuf_func_t getbuf_func,
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if_control_func_t control_func,
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const char *name,
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unsigned unit,
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const char *type,
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unsigned mtu,
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unsigned flags,
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netif_class_t class,
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void *private);
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extern void if_registervirtual(if_attach_func_t attach_func, void *private);
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extern void if_detach(netif_t);
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extern netif_t iflist_first(void);
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extern netif_t iflist_next(netif_t);
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/*
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* Readable attributes
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*/
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extern const char *if_type(netif_t netif);
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extern const char *if_name(netif_t netif);
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extern unsigned if_unit(netif_t netif);
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extern unsigned if_mtu(netif_t netif);
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extern netif_class_t if_class(netif_t netif);
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extern void *if_private(netif_t netif);
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/*
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* Writable attributes
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*/
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extern unsigned if_flags(netif_t netif);
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extern void if_flags_set(netif_t netif, unsigned flags);
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extern unsigned if_ipackets(netif_t netif);
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extern void if_ipackets_set(netif_t netif, unsigned ipackets);
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extern unsigned if_opackets(netif_t netif);
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extern void if_opackets_set(netif_t netif, unsigned opackets);
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extern unsigned if_oerrors(netif_t netif);
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extern void if_oerrors_set(netif_t netif, unsigned oerrors);
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extern unsigned if_ierrors(netif_t netif);
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extern void if_ierrors_set(netif_t netif, unsigned ierrors);
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extern unsigned if_collisions(netif_t netif);
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extern void if_collisions_set(netif_t netif, unsigned collisions);
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#endif /* KERNEL */
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#endif /* _NETIF_ */
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