1 /*****************************************************************************
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2 * ppp_oe.h - PPP Over Ethernet implementation for lwIP.
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4 * Copyright (c) 2006 by Marc Boucher, Services Informatiques (MBSI) inc.
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6 * The authors hereby grant permission to use, copy, modify, distribute,
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7 * and license this software and its documentation for any purpose, provided
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8 * that existing copyright notices are retained in all copies and that this
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9 * notice and the following disclaimer are included verbatim in any
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10 * distributions. No written agreement, license, or royalty fee is required
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11 * for any of the authorized uses.
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13 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
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14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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16 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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24 ******************************************************************************
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27 * 06-01-01 Marc Boucher <marc@mbsi.ca>
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29 *****************************************************************************/
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33 /* based on NetBSD: if_pppoe.c,v 1.64 2006/01/31 23:50:15 martin Exp */
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36 * Copyright (c) 2002 The NetBSD Foundation, Inc.
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37 * All rights reserved.
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39 * This code is derived from software contributed to The NetBSD Foundation
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40 * by Martin Husemann <martin@NetBSD.org>.
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42 * Redistribution and use in source and binary forms, with or without
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43 * modification, are permitted provided that the following conditions
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45 * 1. Redistributions of source code must retain the above copyright
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46 * notice, this list of conditions and the following disclaimer.
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47 * 2. Redistributions in binary form must reproduce the above copyright
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48 * notice, this list of conditions and the following disclaimer in the
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49 * documentation and/or other materials provided with the distribution.
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50 * 3. All advertising materials mentioning features or use of this software
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51 * must display the following acknowledgement:
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52 * This product includes software developed by the NetBSD
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53 * Foundation, Inc. and its contributors.
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54 * 4. Neither the name of The NetBSD Foundation nor the names of its
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55 * contributors may be used to endorse or promote products derived
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56 * from this software without specific prior written permission.
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58 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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59 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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60 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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61 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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62 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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63 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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64 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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65 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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66 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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67 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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68 * POSSIBILITY OF SUCH DAMAGE.
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73 #include "lwip/opt.h"
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75 #if PPPOE_SUPPORT > 0
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77 #ifdef PACK_STRUCT_USE_INCLUDES
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78 # include "arch/bpstruct.h"
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81 #if (defined(__MWERKS__) || defined(__CWCC__))
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82 #pragma options align= packed
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85 PACK_STRUCT_FIELD(u8_t vertype);
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86 PACK_STRUCT_FIELD(u8_t code);
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87 PACK_STRUCT_FIELD(u16_t session);
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88 PACK_STRUCT_FIELD(u16_t plen);
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89 } PACK_STRUCT_STRUCT;
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91 #ifdef PACK_STRUCT_USE_INCLUDES
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92 # include "arch/epstruct.h"
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95 #ifdef PACK_STRUCT_USE_INCLUDES
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96 # include "arch/bpstruct.h"
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99 #if (defined(__MWERKS__) || defined(__CWCC__))
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100 #pragma options align= packed
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103 PACK_STRUCT_FIELD(u16_t tag);
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104 PACK_STRUCT_FIELD(u16_t len);
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105 } PACK_STRUCT_STRUCT;
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107 #ifdef PACK_STRUCT_USE_INCLUDES
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108 # include "arch/epstruct.h"
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112 #define PPPOE_STATE_INITIAL 0
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113 #define PPPOE_STATE_PADI_SENT 1
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114 #define PPPOE_STATE_PADR_SENT 2
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115 #define PPPOE_STATE_SESSION 3
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116 #define PPPOE_STATE_CLOSING 4
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118 #define PPPOE_STATE_PADO_SENT 1
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120 #define PPPOE_HEADERLEN sizeof(struct pppoehdr)
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121 #define PPPOE_VERTYPE 0x11 /* VER=1, TYPE = 1 */
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123 #define PPPOE_TAG_EOL 0x0000 /* end of list */
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124 #define PPPOE_TAG_SNAME 0x0101 /* service name */
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125 #define PPPOE_TAG_ACNAME 0x0102 /* access concentrator name */
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126 #define PPPOE_TAG_HUNIQUE 0x0103 /* host unique */
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127 #define PPPOE_TAG_ACCOOKIE 0x0104 /* AC cookie */
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128 #define PPPOE_TAG_VENDOR 0x0105 /* vendor specific */
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129 #define PPPOE_TAG_RELAYSID 0x0110 /* relay session id */
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130 #define PPPOE_TAG_SNAME_ERR 0x0201 /* service name error */
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131 #define PPPOE_TAG_ACSYS_ERR 0x0202 /* AC system error */
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132 #define PPPOE_TAG_GENERIC_ERR 0x0203 /* gerneric error */
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134 #define PPPOE_CODE_PADI 0x09 /* Active Discovery Initiation */
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135 #define PPPOE_CODE_PADO 0x07 /* Active Discovery Offer */
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136 #define PPPOE_CODE_PADR 0x19 /* Active Discovery Request */
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137 #define PPPOE_CODE_PADS 0x65 /* Active Discovery Session confirmation */
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138 #define PPPOE_CODE_PADT 0xA7 /* Active Discovery Terminate */
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141 #define ETHERMTU 1500
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144 /* two byte PPP protocol discriminator, then IP data */
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145 #define PPPOE_MAXMTU (ETHERMTU-PPPOE_HEADERLEN-2)
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147 struct pppoe_softc;
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150 void pppoe_init(void);
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152 err_t pppoe_create(struct netif *ethif, int pd, void (*linkStatusCB)(int pd, int up), struct pppoe_softc **scptr);
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153 err_t pppoe_destroy(struct netif *ifp);
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155 int pppoe_connect(struct pppoe_softc *sc);
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156 void pppoe_disconnect(struct pppoe_softc *sc);
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158 void pppoe_disc_input(struct netif *netif, struct pbuf *p);
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159 void pppoe_data_input(struct netif *netif, struct pbuf *p);
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161 err_t pppoe_xmit(struct pppoe_softc *sc, struct pbuf *pb);
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163 extern int pppoe_hdrlen;
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165 #endif /* PPPOE_SUPPORT */
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167 #endif /* PPP_OE_H */
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