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pppoe.h
00001 /***************************************************************************** 00002 * pppoe.h - PPP Over Ethernet implementation for lwIP. 00003 * 00004 * Copyright (c) 2006 by Marc Boucher, Services Informatiques (MBSI) inc. 00005 * 00006 * The authors hereby grant permission to use, copy, modify, distribute, 00007 * and license this software and its documentation for any purpose, provided 00008 * that existing copyright notices are retained in all copies and that this 00009 * notice and the following disclaimer are included verbatim in any 00010 * distributions. No written agreement, license, or royalty fee is required 00011 * for any of the authorized uses. 00012 * 00013 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR 00014 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00015 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 00016 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00017 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 00018 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00019 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00020 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00021 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 00022 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00023 * 00024 ****************************************************************************** 00025 * REVISION HISTORY 00026 * 00027 * 06-01-01 Marc Boucher <marc@mbsi.ca> 00028 * Ported to lwIP. 00029 *****************************************************************************/ 00030 00031 00032 00033 /* based on NetBSD: if_pppoe.c,v 1.64 2006/01/31 23:50:15 martin Exp */ 00034 00035 /*- 00036 * Copyright (c) 2002 The NetBSD Foundation, Inc. 00037 * All rights reserved. 00038 * 00039 * This code is derived from software contributed to The NetBSD Foundation 00040 * by Martin Husemann <martin@NetBSD.org>. 00041 * 00042 * Redistribution and use in source and binary forms, with or without 00043 * modification, are permitted provided that the following conditions 00044 * are met: 00045 * 1. Redistributions of source code must retain the above copyright 00046 * notice, this list of conditions and the following disclaimer. 00047 * 2. Redistributions in binary form must reproduce the above copyright 00048 * notice, this list of conditions and the following disclaimer in the 00049 * documentation and/or other materials provided with the distribution. 00050 * 3. All advertising materials mentioning features or use of this software 00051 * must display the following acknowledgement: 00052 * This product includes software developed by the NetBSD 00053 * Foundation, Inc. and its contributors. 00054 * 4. Neither the name of The NetBSD Foundation nor the names of its 00055 * contributors may be used to endorse or promote products derived 00056 * from this software without specific prior written permission. 00057 * 00058 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 00059 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 00060 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 00061 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 00062 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00063 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00064 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00065 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00066 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00067 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00068 * POSSIBILITY OF SUCH DAMAGE. 00069 */ 00070 #include "netif/ppp/ppp_opts.h" 00071 #if PPP_SUPPORT && PPPOE_SUPPORT /* don't build if not configured for use in lwipopts.h */ 00072 00073 #ifndef PPP_OE_H 00074 #define PPP_OE_H 00075 00076 #include "ppp.h" 00077 #include "lwip/etharp.h" 00078 00079 #ifdef PACK_STRUCT_USE_INCLUDES 00080 # include "arch/bpstruct.h" 00081 #endif 00082 PACK_STRUCT_BEGIN 00083 struct pppoehdr { 00084 PACK_STRUCT_FLD_8(u8_t vertype); 00085 PACK_STRUCT_FLD_8(u8_t code); 00086 PACK_STRUCT_FIELD(u16_t session); 00087 PACK_STRUCT_FIELD(u16_t plen); 00088 } PACK_STRUCT_STRUCT; 00089 PACK_STRUCT_END 00090 #ifdef PACK_STRUCT_USE_INCLUDES 00091 # include "arch/epstruct.h" 00092 #endif 00093 00094 #ifdef PACK_STRUCT_USE_INCLUDES 00095 # include "arch/bpstruct.h" 00096 #endif 00097 PACK_STRUCT_BEGIN 00098 struct pppoetag { 00099 PACK_STRUCT_FIELD(u16_t tag); 00100 PACK_STRUCT_FIELD(u16_t len); 00101 } PACK_STRUCT_STRUCT; 00102 PACK_STRUCT_END 00103 #ifdef PACK_STRUCT_USE_INCLUDES 00104 # include "arch/epstruct.h" 00105 #endif 00106 00107 00108 #define PPPOE_STATE_INITIAL 0 00109 #define PPPOE_STATE_PADI_SENT 1 00110 #define PPPOE_STATE_PADR_SENT 2 00111 #define PPPOE_STATE_SESSION 3 00112 /* passive */ 00113 #define PPPOE_STATE_PADO_SENT 1 00114 00115 #define PPPOE_HEADERLEN sizeof(struct pppoehdr) 00116 #define PPPOE_VERTYPE 0x11 /* VER=1, TYPE = 1 */ 00117 00118 #define PPPOE_TAG_EOL 0x0000 /* end of list */ 00119 #define PPPOE_TAG_SNAME 0x0101 /* service name */ 00120 #define PPPOE_TAG_ACNAME 0x0102 /* access concentrator name */ 00121 #define PPPOE_TAG_HUNIQUE 0x0103 /* host unique */ 00122 #define PPPOE_TAG_ACCOOKIE 0x0104 /* AC cookie */ 00123 #define PPPOE_TAG_VENDOR 0x0105 /* vendor specific */ 00124 #define PPPOE_TAG_RELAYSID 0x0110 /* relay session id */ 00125 #define PPPOE_TAG_SNAME_ERR 0x0201 /* service name error */ 00126 #define PPPOE_TAG_ACSYS_ERR 0x0202 /* AC system error */ 00127 #define PPPOE_TAG_GENERIC_ERR 0x0203 /* gerneric error */ 00128 00129 #define PPPOE_CODE_PADI 0x09 /* Active Discovery Initiation */ 00130 #define PPPOE_CODE_PADO 0x07 /* Active Discovery Offer */ 00131 #define PPPOE_CODE_PADR 0x19 /* Active Discovery Request */ 00132 #define PPPOE_CODE_PADS 0x65 /* Active Discovery Session confirmation */ 00133 #define PPPOE_CODE_PADT 0xA7 /* Active Discovery Terminate */ 00134 00135 #ifndef PPPOE_MAX_AC_COOKIE_LEN 00136 #define PPPOE_MAX_AC_COOKIE_LEN 64 00137 #endif 00138 00139 struct pppoe_softc { 00140 struct pppoe_softc *next; 00141 struct netif *sc_ethif; /* ethernet interface we are using */ 00142 ppp_pcb *pcb; /* PPP PCB */ 00143 00144 struct eth_addr sc_dest; /* hardware address of concentrator */ 00145 u16_t sc_session; /* PPPoE session id */ 00146 u8_t sc_state; /* discovery phase or session connected */ 00147 00148 #ifdef PPPOE_TODO 00149 u8_t *sc_service_name; /* if != NULL: requested name of service */ 00150 u8_t *sc_concentrator_name; /* if != NULL: requested concentrator id */ 00151 #endif /* PPPOE_TODO */ 00152 u8_t sc_ac_cookie[PPPOE_MAX_AC_COOKIE_LEN]; /* content of AC cookie we must echo back */ 00153 u8_t sc_ac_cookie_len; /* length of cookie data */ 00154 #ifdef PPPOE_SERVER 00155 u8_t *sc_hunique; /* content of host unique we must echo back */ 00156 u8_t sc_hunique_len; /* length of host unique */ 00157 #endif 00158 u8_t sc_padi_retried; /* number of PADI retries already done */ 00159 u8_t sc_padr_retried; /* number of PADR retries already done */ 00160 }; 00161 00162 00163 #define pppoe_init() /* compatibility define, no initialization needed */ 00164 00165 ppp_pcb *pppoe_create(struct netif *pppif, 00166 struct netif *ethif, 00167 const char *service_name, const char *concentrator_name, 00168 ppp_link_status_cb_fn link_status_cb, void *ctx_cb); 00169 00170 /* 00171 * Functions called from lwIP 00172 * DO NOT CALL FROM lwIP USER APPLICATION. 00173 */ 00174 void pppoe_disc_input(struct netif *netif, struct pbuf *p); 00175 void pppoe_data_input(struct netif *netif, struct pbuf *p); 00176 00177 #endif /* PPP_OE_H */ 00178 00179 #endif /* PPP_SUPPORT && PPPOE_SUPPORT */
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