1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1980, 1986, 1993 5 * The Regents of the University of California. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)raw_cb.h 8.1 (Berkeley) 6/10/93 33 * $FreeBSD$ 34 */ 35 36 #ifndef _NET_RAW_CB_H_ 37 #define _NET_RAW_CB_H_ 38 39 #include <sys/queue.h> 40 41 /* 42 * Raw protocol interface control block. Used to tie a socket to the generic 43 * raw interface. 44 */ 45 struct rawcb { 46 LIST_ENTRY(rawcb) list; 47 struct socket *rcb_socket; /* back pointer to socket */ 48 struct sockproto rcb_proto; /* protocol family, protocol */ 49 }; 50 51 #define sotorawcb(so) ((struct rawcb *)(so)->so_pcb) 52 53 /* 54 * Nominal space allocated to a raw socket. 55 */ 56 #define RAWSNDQ 8192 57 #define RAWRCVQ 8192 58 59 #ifdef _KERNEL 60 VNET_DECLARE(LIST_HEAD(rawcb_list_head, rawcb), rawcb_list); 61 #define V_rawcb_list VNET(rawcb_list) 62 63 extern struct mtx rawcb_mtx; 64 65 /* 66 * Generic protosw entries for raw socket protocols. 67 */ 68 pr_ctlinput_t raw_ctlinput; 69 pr_init_t raw_init; 70 71 /* 72 * Library routines for raw socket usrreq functions; will always be wrapped 73 * so that protocol-specific functions can be handled. 74 */ 75 typedef int (*raw_input_cb_fn)(struct mbuf *, struct sockproto *, 76 struct sockaddr *, struct rawcb *); 77 78 int raw_attach(struct socket *, int); 79 void raw_detach(struct rawcb *); 80 void raw_input(struct mbuf *, struct sockproto *, struct sockaddr *); 81 void raw_input_ext(struct mbuf *, struct sockproto *, struct sockaddr *, 82 raw_input_cb_fn); 83 84 /* 85 * Generic pr_usrreqs entries for raw socket protocols, usually wrapped so 86 * that protocol-specific functions can be handled. 87 */ 88 extern struct pr_usrreqs raw_usrreqs; 89 #endif 90 91 #endif 92