idinor Launcher / StrippedDownNetServices

This library is stripped down version of NetServices library. HTTP server and client function is NOT supported.

Dependents:   imu-daq-eth

lwip/include/netif/ppp_oe.h@0:dcf3c92487ca, 2011-07-20 (annotated)

Committer:
idinor
Date:
Wed Jul 20 11:45:39 2011 +0000
Revision:
0:dcf3c92487ca

        

        
Who changed what in which revision?

        

            
                
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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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#ifndef PPPOE_MAX_AC_COOKIE_LEN





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#define PPPOE_MAX_AC_COOKIE_LEN   64





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#endif





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struct pppoe_softc {





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  struct pppoe_softc *next;





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  struct netif *sc_ethif;      /* ethernet interface we are using */





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  int sc_pd;                   /* ppp unit number */





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  void (*sc_linkStatusCB)(int pd, int up);





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  int sc_state;                /* discovery phase or session connected */





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  struct eth_addr sc_dest;     /* hardware address of concentrator */





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  u16_t sc_session;            /* PPPoE session id */





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#ifdef PPPOE_TODO





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  char *sc_service_name;       /* if != NULL: requested name of service */





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  char *sc_concentrator_name;  /* if != NULL: requested concentrator id */





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#endif /* PPPOE_TODO */





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  u8_t sc_ac_cookie[PPPOE_MAX_AC_COOKIE_LEN]; /* content of AC cookie we must echo back */





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  size_t sc_ac_cookie_len;     /* length of cookie data */





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#ifdef PPPOE_SERVER





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  u8_t *sc_hunique;            /* content of host unique we must echo back */





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  size_t sc_hunique_len;       /* length of host unique */





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#endif





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  int sc_padi_retried;         /* number of PADI retries already done */





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  int sc_padr_retried;         /* number of PADR retries already done */





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};





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#define pppoe_init() /* compatibility define, no initialization needed */





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err_t pppoe_create(struct netif *ethif, 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 */