xref: /csrg-svn/sys/net/raw_cb.h (revision 23161)
1*23161Smckusick /*
2*23161Smckusick  * Copyright (c) 1980 Regents of the University of California.
3*23161Smckusick  * All rights reserved.  The Berkeley software License Agreement
4*23161Smckusick  * specifies the terms and conditions for redistribution.
5*23161Smckusick  *
6*23161Smckusick  *	@(#)raw_cb.h	6.3 (Berkeley) 06/08/85
7*23161Smckusick  */
85634Sroot 
95634Sroot /*
105634Sroot  * Raw protocol interface control block.  Used
115634Sroot  * to tie a socket to the generic raw interface.
125634Sroot  */
135634Sroot struct rawcb {
145634Sroot 	struct	rawcb *rcb_next;	/* doubly linked list */
155634Sroot 	struct	rawcb *rcb_prev;
165634Sroot 	struct	socket *rcb_socket;	/* back pointer to socket */
176509Ssam 	struct	sockaddr rcb_faddr;	/* destination address */
186509Ssam 	struct	sockaddr rcb_laddr;	/* socket's address */
1921769Skarels 	struct	sockproto rcb_proto;	/* protocol family, protocol */
205634Sroot 	caddr_t	rcb_pcb;		/* protocol specific stuff */
2113451Ssam 	struct	route rcb_route;	/* routing information */
225634Sroot 	short	rcb_flags;
235634Sroot };
245634Sroot 
255634Sroot /*
265634Sroot  * Since we can't interpret canonical addresses,
275634Sroot  * we mark an address present in the flags field.
285634Sroot  */
296509Ssam #define	RAW_LADDR	01
306509Ssam #define	RAW_FADDR	02
3113451Ssam #define	RAW_DONTROUTE	04		/* no routing, default */
325634Sroot 
335634Sroot #define	sotorawcb(so)		((struct rawcb *)(so)->so_pcb)
345634Sroot 
355634Sroot /*
365634Sroot  * Nominal space allocated to a raw socket.
375634Sroot  */
385634Sroot #define	RAWSNDQ		2048
395634Sroot #define	RAWRCVQ		2048
405634Sroot 
415634Sroot /*
425667Ssam  * Format of raw interface header prepended by
435667Ssam  * raw_input after call from protocol specific
445667Ssam  * input routine.
455634Sroot  */
465634Sroot struct raw_header {
476509Ssam 	struct	sockproto raw_proto;	/* format of packet */
485646Ssam 	struct	sockaddr raw_dst;	/* dst address for rawintr */
495646Ssam 	struct	sockaddr raw_src;	/* src address for sbappendaddr */
505634Sroot };
515634Sroot 
525634Sroot #ifdef KERNEL
535634Sroot struct rawcb rawcb;			/* head of list */
545634Sroot #endif
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