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/*****************************************************************************
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* ppp_oe.h - PPP Over Ethernet implementation for lwIP.
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*
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* Copyright (c) 2006 by Marc Boucher, Services Informatiques (MBSI) inc.
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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* that existing copyright notices are retained in all copies and that this
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* notice and the following disclaimer are included verbatim in any
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* distributions. No written agreement, license, or royalty fee is required
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* for any of the authorized uses.
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*
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* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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* REVISION HISTORY
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*
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* 06-01-01 Marc Boucher <marc@mbsi.ca>
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* Ported to lwIP.
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*****************************************************************************/
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/* based on NetBSD: if_pppoe.c,v 1.64 2006/01/31 23:50:15 martin Exp */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Martin Husemann <martin@NetBSD.org>.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef PPP_OE_H
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#define PPP_OE_H
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#include "lwip/opt.h"
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#if PPPOE_SUPPORT > 0
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#include "netif/etharp.h"
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#ifdef PACK_STRUCT_USE_INCLUDES
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# include "arch/bpstruct.h"
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#endif
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PACK_STRUCT_BEGIN
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struct pppoehdr {
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PACK_STRUCT_FIELD(u8_t vertype);
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PACK_STRUCT_FIELD(u8_t code);
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PACK_STRUCT_FIELD(u16_t session);
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PACK_STRUCT_FIELD(u16_t plen);
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} PACK_STRUCT_STRUCT;
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PACK_STRUCT_END
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#ifdef PACK_STRUCT_USE_INCLUDES
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# include "arch/epstruct.h"
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#endif
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#ifdef PACK_STRUCT_USE_INCLUDES
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# include "arch/bpstruct.h"
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#endif
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PACK_STRUCT_BEGIN
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struct pppoetag {
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PACK_STRUCT_FIELD(u16_t tag);
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PACK_STRUCT_FIELD(u16_t len);
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} PACK_STRUCT_STRUCT;
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PACK_STRUCT_END
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#ifdef PACK_STRUCT_USE_INCLUDES
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# include "arch/epstruct.h"
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#endif
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#define PPPOE_STATE_INITIAL 0
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#define PPPOE_STATE_PADI_SENT 1
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#define PPPOE_STATE_PADR_SENT 2
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#define PPPOE_STATE_SESSION 3
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#define PPPOE_STATE_CLOSING 4
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/* passive */
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#define PPPOE_STATE_PADO_SENT 1
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#define PPPOE_HEADERLEN sizeof(struct pppoehdr)
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#define PPPOE_VERTYPE 0x11 /* VER=1, TYPE = 1 */
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#define PPPOE_TAG_EOL 0x0000 /* end of list */
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#define PPPOE_TAG_SNAME 0x0101 /* service name */
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#define PPPOE_TAG_ACNAME 0x0102 /* access concentrator name */
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#define PPPOE_TAG_HUNIQUE 0x0103 /* host unique */
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#define PPPOE_TAG_ACCOOKIE 0x0104 /* AC cookie */
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#define PPPOE_TAG_VENDOR 0x0105 /* vendor specific */
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#define PPPOE_TAG_RELAYSID 0x0110 /* relay session id */
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#define PPPOE_TAG_SNAME_ERR 0x0201 /* service name error */
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#define PPPOE_TAG_ACSYS_ERR 0x0202 /* AC system error */
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#define PPPOE_TAG_GENERIC_ERR 0x0203 /* gerneric error */
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#define PPPOE_CODE_PADI 0x09 /* Active Discovery Initiation */
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#define PPPOE_CODE_PADO 0x07 /* Active Discovery Offer */
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#define PPPOE_CODE_PADR 0x19 /* Active Discovery Request */
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#define PPPOE_CODE_PADS 0x65 /* Active Discovery Session confirmation */
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#define PPPOE_CODE_PADT 0xA7 /* Active Discovery Terminate */
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#ifndef ETHERMTU
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#define ETHERMTU 1500
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#endif
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/* two byte PPP protocol discriminator, then IP data */
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#define PPPOE_MAXMTU (ETHERMTU-PPPOE_HEADERLEN-2)
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struct pppoe_softc;
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void pppoe_init(void);
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err_t pppoe_create(struct netif *ethernetnetif, int pd, void (*linkStatusCB)(int pd, int up), struct pppoe_softc **scptr);
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err_t pppoe_destroy(struct netif *ifp);
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int pppoe_connect(struct pppoe_softc *sc);
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void pppoe_disconnect(struct pppoe_softc *sc);
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void pppoe_disc_input(struct netif *netif, struct pbuf *p);
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void pppoe_data_input(struct netif *netif, struct pbuf *p);
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err_t pppoe_xmit(struct pppoe_softc *sc, struct pbuf *pb);
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/** used in ppp.c */
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#define PPPOE_HDRLEN (sizeof(struct eth_hdr) + PPPOE_HEADERLEN)
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#endif /* PPPOE_SUPPORT */
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#endif /* PPP_OE_H */
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