1 /*- 2 * Copyright (c) 1980, 1986, 1993 3 * The Regents of the University of California. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 4. Neither the name of the University nor the names of its contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * @(#)raw_cb.h 8.1 (Berkeley) 6/10/93 31 * $FreeBSD$ 32 */ 33 34 #ifndef _NET_RAW_CB_H_ 35 #define _NET_RAW_CB_H_ 36 37 #include <sys/queue.h> 38 39 /* 40 * Raw protocol interface control block. Used to tie a socket to the generic 41 * raw interface. 42 */ 43 struct rawcb { 44 LIST_ENTRY(rawcb) list; 45 struct socket *rcb_socket; /* back pointer to socket */ 46 struct sockproto rcb_proto; /* protocol family, protocol */ 47 }; 48 49 #define sotorawcb(so) ((struct rawcb *)(so)->so_pcb) 50 51 /* 52 * Nominal space allocated to a raw socket. 53 */ 54 #define RAWSNDQ 8192 55 #define RAWRCVQ 8192 56 57 #ifdef _KERNEL 58 VNET_DECLARE(LIST_HEAD(rawcb_list_head, rawcb), rawcb_list); 59 #define V_rawcb_list VNET(rawcb_list) 60 61 extern struct mtx rawcb_mtx; 62 63 /* 64 * Generic protosw entries for raw socket protocols. 65 */ 66 pr_ctlinput_t raw_ctlinput; 67 pr_init_t raw_init; 68 69 /* 70 * Library routines for raw socket usrreq functions; will always be wrapped 71 * so that protocol-specific functions can be handled. 72 */ 73 typedef int (*raw_input_cb_fn)(struct mbuf *, struct sockproto *, 74 struct sockaddr *, struct rawcb *); 75 76 int raw_attach(struct socket *, int); 77 void raw_detach(struct rawcb *); 78 void raw_input(struct mbuf *, struct sockproto *, struct sockaddr *); 79 void raw_input_ext(struct mbuf *, struct sockproto *, struct sockaddr *, 80 raw_input_cb_fn); 81 82 /* 83 * Generic pr_usrreqs entries for raw socket protocols, usually wrapped so 84 * that protocol-specific functions can be handled. 85 */ 86 extern struct pr_usrreqs raw_usrreqs; 87 #endif 88 89 #endif 90