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528737fdfe
rtsock allowing routing daemons to filter routing updates on an rtsock per FIB. Adjust raw_input() and split it into wrapper and a new function taking an optional callback argument even though we only have one consumer [1] to keep the hackish flags local to rtsock.c. PR: kern/134931 Submitted by: multiple (see PR) Suggested by: rwatson [1] Reviewed by: rwatson MFC after: 3 days
90 lines
3.0 KiB
C
90 lines
3.0 KiB
C
/*-
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* Copyright (c) 1980, 1986, 1993
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* The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)raw_cb.h 8.1 (Berkeley) 6/10/93
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* $FreeBSD$
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*/
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#ifndef _NET_RAW_CB_H_
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#define _NET_RAW_CB_H_
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#include <sys/queue.h>
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/*
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* Raw protocol interface control block. Used to tie a socket to the generic
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* raw interface.
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*/
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struct rawcb {
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LIST_ENTRY(rawcb) list;
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struct socket *rcb_socket; /* back pointer to socket */
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struct sockproto rcb_proto; /* protocol family, protocol */
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};
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#define sotorawcb(so) ((struct rawcb *)(so)->so_pcb)
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/*
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* Nominal space allocated to a raw socket.
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*/
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#define RAWSNDQ 8192
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#define RAWRCVQ 8192
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#ifdef _KERNEL
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VNET_DECLARE(LIST_HEAD(rawcb_list_head, rawcb), rawcb_list);
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#define V_rawcb_list VNET(rawcb_list)
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extern struct mtx rawcb_mtx;
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/*
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* Generic protosw entries for raw socket protocols.
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*/
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pr_ctlinput_t raw_ctlinput;
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pr_init_t raw_init;
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/*
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* Library routines for raw socket usrreq functions; will always be wrapped
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* so that protocol-specific functions can be handled.
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*/
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typedef int (*raw_input_cb_fn)(struct mbuf *, struct sockproto *,
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struct sockaddr *, struct rawcb *);
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int raw_attach(struct socket *, int);
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void raw_detach(struct rawcb *);
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void raw_input(struct mbuf *, struct sockproto *, struct sockaddr *);
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void raw_input_ext(struct mbuf *, struct sockproto *, struct sockaddr *,
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raw_input_cb_fn);
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/*
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* Generic pr_usrreqs entries for raw socket protocols, usually wrapped so
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* that protocol-specific functions can be handled.
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*/
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extern struct pr_usrreqs raw_usrreqs;
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#endif
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#endif
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