85 lines
3.3 KiB
C
85 lines
3.3 KiB
C
/* $NetBSD: if_pppoe.h,v 1.15 2017/10/12 09:50:55 knakahara Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2002 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Martin Husemann <martin@NetBSD.org>.
|
|
*
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
|
|
*/
|
|
|
|
#ifndef _NET_IF_PPPOE_H_
|
|
#define _NET_IF_PPPOE_H_
|
|
|
|
#include <sys/ioccom.h>
|
|
|
|
struct pppoediscparms {
|
|
char ifname[IFNAMSIZ]; /* pppoe interface name */
|
|
char eth_ifname[IFNAMSIZ]; /* external ethernet interface name */
|
|
const char *ac_name; /* access concentrator name (or NULL) */
|
|
size_t ac_name_len; /* on write: length of buffer for ac_name */
|
|
const char *service_name; /* service name (or NULL) */
|
|
size_t service_name_len; /* on write: length of buffer for service name */
|
|
};
|
|
|
|
#define PPPOESETPARMS _IOW('i', 110, struct pppoediscparms)
|
|
#define PPPOEGETPARMS _IOWR('i', 111, struct pppoediscparms)
|
|
|
|
#define PPPOE_STATE_INITIAL 0
|
|
#define PPPOE_STATE_PADI_SENT 1
|
|
#define PPPOE_STATE_PADR_SENT 2
|
|
#define PPPOE_STATE_SESSION 3
|
|
#define PPPOE_STATE_CLOSING 4
|
|
/* passive */
|
|
#define PPPOE_STATE_PADO_SENT 1
|
|
|
|
struct pppoeconnectionstate {
|
|
char ifname[IFNAMSIZ]; /* pppoe interface name */
|
|
u_int state; /* one of the PPPOE_STATE_ states above */
|
|
u_int session_id; /* if state == PPPOE_STATE_SESSION */
|
|
u_int padi_retry_no; /* number of retries already sent */
|
|
u_int padr_retry_no;
|
|
};
|
|
|
|
#define PPPOEGETSESSION _IOWR('i', 112, struct pppoeconnectionstate)
|
|
|
|
#ifdef _KERNEL
|
|
|
|
void pppoe_input(struct ifnet *, struct mbuf *);
|
|
void pppoedisc_input(struct ifnet *, struct mbuf *);
|
|
#endif /* _KERNEL */
|
|
/*
|
|
* Locking notes:
|
|
* + pppoe_softc_list is protected by pppoe_softc_list_lock (an rwlock)
|
|
* pppoe_softc_list is a list of all pppoe_softc, and it is used to
|
|
* find pppoe interface by session id or host unique tag.
|
|
* + pppoe_softc is protected by pppoe_softc->sc_lock (an rwlock)
|
|
* pppoe_softc holds session id and parameters to establish the id
|
|
*
|
|
* Locking order:
|
|
* - pppoe_softc_list_lock => pppoe_softc->sc_lock
|
|
*/
|
|
#endif /* !_NET_IF_PPPOE_H_ */
|
|
|