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raw_cb.h
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C/C++ Source or Header
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1995-02-14
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3KB
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87 lines
/*
* Mach Operating System
* Copyright (c) 1987 Carnegie-Mellon University
* All rights reserved. The CMU software License Agreement specifies
* the terms and conditions for use and redistribution.
*
* Copyright (c) 1994 NeXT Computer, Inc
*/
/*
* HISTORY
* 11-Jul-93 Mac Gillon (mgillon) at NeXT
* Integrated MULTICAST support
*
* 26-Sep-89 Morris Meyer (mmeyer) at NeXT
* NFS 4.0 Changes: Back out statistics gathering support.
*
* 13-Aug-87 Peter King (king) at NeXT
* SUN_RPC: Added rcb_cc and rcb_mbcnt for statistics gathering.
* Added RAW_TALLY flag to turn on statistics gathering
*/
/*
* Copyright (c) 1980, 1986 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*
* @(#)raw_cb.h 7.3 (Berkeley) 6/27/88 plus MULTICAST 1.0
*/
/* @(#)raw_cb.h 2.1 88/05/30 4.0NFSSRC SMI; from UCB 7.1 6/5/86 */
/*
* Raw protocol interface control block. Used
* to tie a socket to the generic raw interface.
*/
struct rawcb {
struct rawcb *rcb_next; /* doubly linked list */
struct rawcb *rcb_prev;
struct socket *rcb_socket; /* back pointer to socket */
struct sockaddr rcb_faddr; /* destination address */
struct sockaddr rcb_laddr; /* socket's address */
struct sockproto rcb_proto;/* protocol family, protocol */
caddr_t rcb_pcb; /* protocol specific stuff */
struct mbuf *rcb_options; /* protocol specific options */
struct route rcb_route; /* routing information */
short rcb_flags;
#ifdef MULTICAST
struct mbuf *rcb_moptions; /* proto specific multicast options */
#endif
/* SUN_RPC */
int rcb_cc; /* bytes of rawintr queued data */
int rcb_mbcnt; /* bytes of rawintr queued mbufs */
/* SUN_RPC */
};
/*
* Since we can't interpret canonical addresses,
* we mark an address present in the flags field.
*/
#define RAW_LADDR 01
#define RAW_FADDR 02
#define RAW_DONTROUTE 04 /* no routing, default */
#define RAW_TALLY 0x08 /* tally delivered packets (SUN_RPC) */
#define sotorawcb(so) ((struct rawcb *)(so)->so_pcb)
/*
* Nominal space allocated to a raw socket.
*/
#define RAWSNDQ 2048
#define RAWRCVQ 2048
/*
* Format of raw interface header prepended by
* raw_input after call from protocol specific
* input routine.
*/
struct raw_header {
struct sockproto raw_proto; /* format of packet */
struct sockaddr raw_dst; /* dst address for rawintr */
struct sockaddr raw_src; /* src address for sbappendaddr */
};
#ifdef KERNEL
struct rawcb rawcb; /* head of list */
#endif