mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-22 11:17:19 +00:00
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
/*-
|
|
* Copyright (c) 1980, 1986, 1993
|
|
* The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* @(#)raw_cb.h 8.1 (Berkeley) 6/10/93
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _NET_RAW_CB_H_
|
|
#define _NET_RAW_CB_H_
|
|
|
|
#include <sys/queue.h>
|
|
|
|
/*
|
|
* Raw protocol interface control block. Used to tie a socket to the generic
|
|
* raw interface.
|
|
*/
|
|
struct rawcb {
|
|
LIST_ENTRY(rawcb) list;
|
|
struct socket *rcb_socket; /* back pointer to socket */
|
|
struct sockproto rcb_proto; /* protocol family, protocol */
|
|
};
|
|
|
|
#define sotorawcb(so) ((struct rawcb *)(so)->so_pcb)
|
|
|
|
/*
|
|
* Nominal space allocated to a raw socket.
|
|
*/
|
|
#define RAWSNDQ 8192
|
|
#define RAWRCVQ 8192
|
|
|
|
#ifdef _KERNEL
|
|
VNET_DECLARE(LIST_HEAD(rawcb_list_head, rawcb), rawcb_list);
|
|
#define V_rawcb_list VNET(rawcb_list)
|
|
|
|
extern struct mtx rawcb_mtx;
|
|
|
|
/*
|
|
* Generic protosw entries for raw socket protocols.
|
|
*/
|
|
pr_ctlinput_t raw_ctlinput;
|
|
pr_init_t raw_init;
|
|
|
|
/*
|
|
* Library routines for raw socket usrreq functions; will always be wrapped
|
|
* so that protocol-specific functions can be handled.
|
|
*/
|
|
typedef int (*raw_input_cb_fn)(struct mbuf *, struct sockproto *,
|
|
struct sockaddr *, struct rawcb *);
|
|
|
|
int raw_attach(struct socket *, int);
|
|
void raw_detach(struct rawcb *);
|
|
void raw_input(struct mbuf *, struct sockproto *, struct sockaddr *);
|
|
void raw_input_ext(struct mbuf *, struct sockproto *, struct sockaddr *,
|
|
raw_input_cb_fn);
|
|
|
|
/*
|
|
* Generic pr_usrreqs entries for raw socket protocols, usually wrapped so
|
|
* that protocol-specific functions can be handled.
|
|
*/
|
|
extern struct pr_usrreqs raw_usrreqs;
|
|
#endif
|
|
|
|
#endif
|