1 /* $NetBSD: raw_cb.h,v 1.30 2018/09/07 06:13:14 maxv Exp $ */ 2 3 /* 4 * Copyright (c) 1980, 1986, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)raw_cb.h 8.1 (Berkeley) 6/10/93 32 */ 33 34 #ifndef _NET_RAW_CB_H_ 35 #define _NET_RAW_CB_H_ 36 37 #ifdef _KERNEL 38 39 /* 40 * Raw protocol interface control block. Used 41 * to tie a socket to the generic raw interface. 42 */ 43 struct rawcb { 44 LIST_ENTRY(rawcb) rcb_list; /* doubly linked list */ 45 struct socket *rcb_socket; /* back pointer to socket */ 46 struct sockaddr *rcb_faddr; /* destination address */ 47 struct sockaddr *rcb_laddr; /* socket's address */ 48 struct sockproto rcb_proto; /* protocol family, protocol */ 49 int (*rcb_filter)(struct mbuf *, struct sockproto *, 50 struct rawcb *); 51 size_t rcb_len; 52 }; 53 54 #define sotorawcb(so) ((struct rawcb *)(so)->so_pcb) 55 56 /* 57 * Nominal space allocated to a raw socket. 58 */ 59 #define RAWSNDQ 8192 60 #define RAWRCVQ 16384 61 62 LIST_HEAD(rawcbhead, rawcb); 63 64 int raw_attach(struct socket *, int, struct rawcbhead *); 65 void *raw_ctlinput(int, const struct sockaddr *, void *); 66 void raw_detach(struct socket *); 67 void raw_disconnect(struct rawcb *); 68 void raw_input(struct mbuf *, struct sockproto *, struct sockaddr *, 69 struct sockaddr *, struct rawcbhead *); 70 int raw_usrreq(struct socket *, 71 int, struct mbuf *, struct mbuf *, struct mbuf *, struct lwp *); 72 void raw_setsockaddr(struct rawcb *, struct sockaddr *); 73 void raw_setpeeraddr(struct rawcb *, struct sockaddr *); 74 int raw_send(struct socket *, 75 struct mbuf *, struct sockaddr *, struct mbuf *, struct lwp *, 76 int (*)(struct mbuf *, struct socket *)); 77 78 #endif /* _KERNEL */ 79 80 #endif /* !_NET_RAW_CB_H_ */ 81