xref: /csrg-svn/sys/net/raw_cb.h (revision 33183)
123161Smckusick /*
229067Smckusick  * Copyright (c) 1980, 1986 Regents of the University of California.
3*33183Sbostic  * All rights reserved.
423161Smckusick  *
5*33183Sbostic  * Redistribution and use in source and binary forms are permitted
6*33183Sbostic  * provided that this notice is preserved and that due credit is given
7*33183Sbostic  * to the University of California at Berkeley. The name of the University
8*33183Sbostic  * may not be used to endorse or promote products derived from this
9*33183Sbostic  * software without specific prior written permission. This software
10*33183Sbostic  * is provided ``as is'' without express or implied warranty.
11*33183Sbostic  *
12*33183Sbostic  *	@(#)raw_cb.h	7.2 (Berkeley) 12/30/87
1323161Smckusick  */
145634Sroot 
155634Sroot /*
165634Sroot  * Raw protocol interface control block.  Used
175634Sroot  * to tie a socket to the generic raw interface.
185634Sroot  */
195634Sroot struct rawcb {
205634Sroot 	struct	rawcb *rcb_next;	/* doubly linked list */
215634Sroot 	struct	rawcb *rcb_prev;
225634Sroot 	struct	socket *rcb_socket;	/* back pointer to socket */
236509Ssam 	struct	sockaddr rcb_faddr;	/* destination address */
246509Ssam 	struct	sockaddr rcb_laddr;	/* socket's address */
2521769Skarels 	struct	sockproto rcb_proto;	/* protocol family, protocol */
265634Sroot 	caddr_t	rcb_pcb;		/* protocol specific stuff */
2726035Skarels 	struct	mbuf *rcb_options;	/* protocol specific options */
2813451Ssam 	struct	route rcb_route;	/* routing information */
295634Sroot 	short	rcb_flags;
305634Sroot };
315634Sroot 
325634Sroot /*
335634Sroot  * Since we can't interpret canonical addresses,
345634Sroot  * we mark an address present in the flags field.
355634Sroot  */
366509Ssam #define	RAW_LADDR	01
376509Ssam #define	RAW_FADDR	02
3813451Ssam #define	RAW_DONTROUTE	04		/* no routing, default */
395634Sroot 
405634Sroot #define	sotorawcb(so)		((struct rawcb *)(so)->so_pcb)
415634Sroot 
425634Sroot /*
435634Sroot  * Nominal space allocated to a raw socket.
445634Sroot  */
455634Sroot #define	RAWSNDQ		2048
465634Sroot #define	RAWRCVQ		2048
475634Sroot 
485634Sroot /*
495667Ssam  * Format of raw interface header prepended by
505667Ssam  * raw_input after call from protocol specific
515667Ssam  * input routine.
525634Sroot  */
535634Sroot struct raw_header {
546509Ssam 	struct	sockproto raw_proto;	/* format of packet */
555646Ssam 	struct	sockaddr raw_dst;	/* dst address for rawintr */
565646Ssam 	struct	sockaddr raw_src;	/* src address for sbappendaddr */
575634Sroot };
585634Sroot 
595634Sroot #ifdef KERNEL
605634Sroot struct rawcb rawcb;			/* head of list */
615634Sroot #endif
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