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