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NetServices/lwip/include/netif/ppp_oe.h@0:05ccbd4f84f1, 2013-12-02 (annotated)

Committer:
hendrikvincent
Date:
Mon Dec 02 09:01:23 2013 +0000
Revision:
0:05ccbd4f84f1
eerste programma;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hendrikvincent 0:05ccbd4f84f1 1 /*****************************************************************************
hendrikvincent 0:05ccbd4f84f1 2 * ppp_oe.h - PPP Over Ethernet implementation for lwIP.
hendrikvincent 0:05ccbd4f84f1 3 *
hendrikvincent 0:05ccbd4f84f1 4 * Copyright (c) 2006 by Marc Boucher, Services Informatiques (MBSI) inc.
hendrikvincent 0:05ccbd4f84f1 5 *
hendrikvincent 0:05ccbd4f84f1 6 * The authors hereby grant permission to use, copy, modify, distribute,
hendrikvincent 0:05ccbd4f84f1 7 * and license this software and its documentation for any purpose, provided
hendrikvincent 0:05ccbd4f84f1 8 * that existing copyright notices are retained in all copies and that this
hendrikvincent 0:05ccbd4f84f1 9 * notice and the following disclaimer are included verbatim in any
hendrikvincent 0:05ccbd4f84f1 10 * distributions. No written agreement, license, or royalty fee is required
hendrikvincent 0:05ccbd4f84f1 11 * for any of the authorized uses.
hendrikvincent 0:05ccbd4f84f1 12 *
hendrikvincent 0:05ccbd4f84f1 13 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
hendrikvincent 0:05ccbd4f84f1 14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
hendrikvincent 0:05ccbd4f84f1 15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
hendrikvincent 0:05ccbd4f84f1 16 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
hendrikvincent 0:05ccbd4f84f1 17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
hendrikvincent 0:05ccbd4f84f1 18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
hendrikvincent 0:05ccbd4f84f1 19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
hendrikvincent 0:05ccbd4f84f1 20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
hendrikvincent 0:05ccbd4f84f1 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
hendrikvincent 0:05ccbd4f84f1 22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
hendrikvincent 0:05ccbd4f84f1 23 *
hendrikvincent 0:05ccbd4f84f1 24 ******************************************************************************
hendrikvincent 0:05ccbd4f84f1 25 * REVISION HISTORY
hendrikvincent 0:05ccbd4f84f1 26 *
hendrikvincent 0:05ccbd4f84f1 27 * 06-01-01 Marc Boucher <marc@mbsi.ca>
hendrikvincent 0:05ccbd4f84f1 28 * Ported to lwIP.
hendrikvincent 0:05ccbd4f84f1 29 *****************************************************************************/
hendrikvincent 0:05ccbd4f84f1 30
hendrikvincent 0:05ccbd4f84f1 31
hendrikvincent 0:05ccbd4f84f1 32
hendrikvincent 0:05ccbd4f84f1 33 /* based on NetBSD: if_pppoe.c,v 1.64 2006/01/31 23:50:15 martin Exp */
hendrikvincent 0:05ccbd4f84f1 34
hendrikvincent 0:05ccbd4f84f1 35 /*-
hendrikvincent 0:05ccbd4f84f1 36 * Copyright (c) 2002 The NetBSD Foundation, Inc.
hendrikvincent 0:05ccbd4f84f1 37 * All rights reserved.
hendrikvincent 0:05ccbd4f84f1 38 *
hendrikvincent 0:05ccbd4f84f1 39 * This code is derived from software contributed to The NetBSD Foundation
hendrikvincent 0:05ccbd4f84f1 40 * by Martin Husemann <martin@NetBSD.org>.
hendrikvincent 0:05ccbd4f84f1 41 *
hendrikvincent 0:05ccbd4f84f1 42 * Redistribution and use in source and binary forms, with or without
hendrikvincent 0:05ccbd4f84f1 43 * modification, are permitted provided that the following conditions
hendrikvincent 0:05ccbd4f84f1 44 * are met:
hendrikvincent 0:05ccbd4f84f1 45 * 1. Redistributions of source code must retain the above copyright
hendrikvincent 0:05ccbd4f84f1 46 * notice, this list of conditions and the following disclaimer.
hendrikvincent 0:05ccbd4f84f1 47 * 2. Redistributions in binary form must reproduce the above copyright
hendrikvincent 0:05ccbd4f84f1 48 * notice, this list of conditions and the following disclaimer in the
hendrikvincent 0:05ccbd4f84f1 49 * documentation and/or other materials provided with the distribution.
hendrikvincent 0:05ccbd4f84f1 50 * 3. All advertising materials mentioning features or use of this software
hendrikvincent 0:05ccbd4f84f1 51 * must display the following acknowledgement:
hendrikvincent 0:05ccbd4f84f1 52 * This product includes software developed by the NetBSD
hendrikvincent 0:05ccbd4f84f1 53 * Foundation, Inc. and its contributors.
hendrikvincent 0:05ccbd4f84f1 54 * 4. Neither the name of The NetBSD Foundation nor the names of its
hendrikvincent 0:05ccbd4f84f1 55 * contributors may be used to endorse or promote products derived
hendrikvincent 0:05ccbd4f84f1 56 * from this software without specific prior written permission.
hendrikvincent 0:05ccbd4f84f1 57 *
hendrikvincent 0:05ccbd4f84f1 58 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
hendrikvincent 0:05ccbd4f84f1 59 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
hendrikvincent 0:05ccbd4f84f1 60 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
hendrikvincent 0:05ccbd4f84f1 61 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
hendrikvincent 0:05ccbd4f84f1 62 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
hendrikvincent 0:05ccbd4f84f1 63 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
hendrikvincent 0:05ccbd4f84f1 64 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
hendrikvincent 0:05ccbd4f84f1 65 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
hendrikvincent 0:05ccbd4f84f1 66 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
hendrikvincent 0:05ccbd4f84f1 67 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
hendrikvincent 0:05ccbd4f84f1 68 * POSSIBILITY OF SUCH DAMAGE.
hendrikvincent 0:05ccbd4f84f1 69 */
hendrikvincent 0:05ccbd4f84f1 70 #ifndef PPP_OE_H
hendrikvincent 0:05ccbd4f84f1 71 #define PPP_OE_H
hendrikvincent 0:05ccbd4f84f1 72
hendrikvincent 0:05ccbd4f84f1 73 #include "lwip/opt.h"
hendrikvincent 0:05ccbd4f84f1 74
hendrikvincent 0:05ccbd4f84f1 75 #if PPPOE_SUPPORT > 0
hendrikvincent 0:05ccbd4f84f1 76
hendrikvincent 0:05ccbd4f84f1 77 #include "netif/etharp.h"
hendrikvincent 0:05ccbd4f84f1 78
hendrikvincent 0:05ccbd4f84f1 79 #ifdef PACK_STRUCT_USE_INCLUDES
hendrikvincent 0:05ccbd4f84f1 80 # include "arch/bpstruct.h"
hendrikvincent 0:05ccbd4f84f1 81 #endif
hendrikvincent 0:05ccbd4f84f1 82 PACK_STRUCT_BEGIN
hendrikvincent 0:05ccbd4f84f1 83 struct pppoehdr {
hendrikvincent 0:05ccbd4f84f1 84 PACK_STRUCT_FIELD(u8_t vertype);
hendrikvincent 0:05ccbd4f84f1 85 PACK_STRUCT_FIELD(u8_t code);
hendrikvincent 0:05ccbd4f84f1 86 PACK_STRUCT_FIELD(u16_t session);
hendrikvincent 0:05ccbd4f84f1 87 PACK_STRUCT_FIELD(u16_t plen);
hendrikvincent 0:05ccbd4f84f1 88 } PACK_STRUCT_STRUCT;
hendrikvincent 0:05ccbd4f84f1 89 PACK_STRUCT_END
hendrikvincent 0:05ccbd4f84f1 90 #ifdef PACK_STRUCT_USE_INCLUDES
hendrikvincent 0:05ccbd4f84f1 91 # include "arch/epstruct.h"
hendrikvincent 0:05ccbd4f84f1 92 #endif
hendrikvincent 0:05ccbd4f84f1 93
hendrikvincent 0:05ccbd4f84f1 94 #ifdef PACK_STRUCT_USE_INCLUDES
hendrikvincent 0:05ccbd4f84f1 95 # include "arch/bpstruct.h"
hendrikvincent 0:05ccbd4f84f1 96 #endif
hendrikvincent 0:05ccbd4f84f1 97 PACK_STRUCT_BEGIN
hendrikvincent 0:05ccbd4f84f1 98 struct pppoetag {
hendrikvincent 0:05ccbd4f84f1 99 PACK_STRUCT_FIELD(u16_t tag);
hendrikvincent 0:05ccbd4f84f1 100 PACK_STRUCT_FIELD(u16_t len);
hendrikvincent 0:05ccbd4f84f1 101 } PACK_STRUCT_STRUCT;
hendrikvincent 0:05ccbd4f84f1 102 PACK_STRUCT_END
hendrikvincent 0:05ccbd4f84f1 103 #ifdef PACK_STRUCT_USE_INCLUDES
hendrikvincent 0:05ccbd4f84f1 104 # include "arch/epstruct.h"
hendrikvincent 0:05ccbd4f84f1 105 #endif
hendrikvincent 0:05ccbd4f84f1 106
hendrikvincent 0:05ccbd4f84f1 107
hendrikvincent 0:05ccbd4f84f1 108 #define PPPOE_STATE_INITIAL 0
hendrikvincent 0:05ccbd4f84f1 109 #define PPPOE_STATE_PADI_SENT 1
hendrikvincent 0:05ccbd4f84f1 110 #define PPPOE_STATE_PADR_SENT 2
hendrikvincent 0:05ccbd4f84f1 111 #define PPPOE_STATE_SESSION 3
hendrikvincent 0:05ccbd4f84f1 112 #define PPPOE_STATE_CLOSING 4
hendrikvincent 0:05ccbd4f84f1 113 /* passive */
hendrikvincent 0:05ccbd4f84f1 114 #define PPPOE_STATE_PADO_SENT 1
hendrikvincent 0:05ccbd4f84f1 115
hendrikvincent 0:05ccbd4f84f1 116 #define PPPOE_HEADERLEN sizeof(struct pppoehdr)
hendrikvincent 0:05ccbd4f84f1 117 #define PPPOE_VERTYPE 0x11 /* VER=1, TYPE = 1 */
hendrikvincent 0:05ccbd4f84f1 118
hendrikvincent 0:05ccbd4f84f1 119 #define PPPOE_TAG_EOL 0x0000 /* end of list */
hendrikvincent 0:05ccbd4f84f1 120 #define PPPOE_TAG_SNAME 0x0101 /* service name */
hendrikvincent 0:05ccbd4f84f1 121 #define PPPOE_TAG_ACNAME 0x0102 /* access concentrator name */
hendrikvincent 0:05ccbd4f84f1 122 #define PPPOE_TAG_HUNIQUE 0x0103 /* host unique */
hendrikvincent 0:05ccbd4f84f1 123 #define PPPOE_TAG_ACCOOKIE 0x0104 /* AC cookie */
hendrikvincent 0:05ccbd4f84f1 124 #define PPPOE_TAG_VENDOR 0x0105 /* vendor specific */
hendrikvincent 0:05ccbd4f84f1 125 #define PPPOE_TAG_RELAYSID 0x0110 /* relay session id */
hendrikvincent 0:05ccbd4f84f1 126 #define PPPOE_TAG_SNAME_ERR 0x0201 /* service name error */
hendrikvincent 0:05ccbd4f84f1 127 #define PPPOE_TAG_ACSYS_ERR 0x0202 /* AC system error */
hendrikvincent 0:05ccbd4f84f1 128 #define PPPOE_TAG_GENERIC_ERR 0x0203 /* gerneric error */
hendrikvincent 0:05ccbd4f84f1 129
hendrikvincent 0:05ccbd4f84f1 130 #define PPPOE_CODE_PADI 0x09 /* Active Discovery Initiation */
hendrikvincent 0:05ccbd4f84f1 131 #define PPPOE_CODE_PADO 0x07 /* Active Discovery Offer */
hendrikvincent 0:05ccbd4f84f1 132 #define PPPOE_CODE_PADR 0x19 /* Active Discovery Request */
hendrikvincent 0:05ccbd4f84f1 133 #define PPPOE_CODE_PADS 0x65 /* Active Discovery Session confirmation */
hendrikvincent 0:05ccbd4f84f1 134 #define PPPOE_CODE_PADT 0xA7 /* Active Discovery Terminate */
hendrikvincent 0:05ccbd4f84f1 135
hendrikvincent 0:05ccbd4f84f1 136 #ifndef ETHERMTU
hendrikvincent 0:05ccbd4f84f1 137 #define ETHERMTU 1500
hendrikvincent 0:05ccbd4f84f1 138 #endif
hendrikvincent 0:05ccbd4f84f1 139
hendrikvincent 0:05ccbd4f84f1 140 /* two byte PPP protocol discriminator, then IP data */
hendrikvincent 0:05ccbd4f84f1 141 #define PPPOE_MAXMTU (ETHERMTU-PPPOE_HEADERLEN-2)
hendrikvincent 0:05ccbd4f84f1 142
hendrikvincent 0:05ccbd4f84f1 143 #ifndef PPPOE_MAX_AC_COOKIE_LEN
hendrikvincent 0:05ccbd4f84f1 144 #define PPPOE_MAX_AC_COOKIE_LEN 64
hendrikvincent 0:05ccbd4f84f1 145 #endif
hendrikvincent 0:05ccbd4f84f1 146
hendrikvincent 0:05ccbd4f84f1 147 struct pppoe_softc {
hendrikvincent 0:05ccbd4f84f1 148 struct pppoe_softc *next;
hendrikvincent 0:05ccbd4f84f1 149 struct netif *sc_ethif; /* ethernet interface we are using */
hendrikvincent 0:05ccbd4f84f1 150 int sc_pd; /* ppp unit number */
hendrikvincent 0:05ccbd4f84f1 151 void (*sc_linkStatusCB)(int pd, int up);
hendrikvincent 0:05ccbd4f84f1 152
hendrikvincent 0:05ccbd4f84f1 153 int sc_state; /* discovery phase or session connected */
hendrikvincent 0:05ccbd4f84f1 154 struct eth_addr sc_dest; /* hardware address of concentrator */
hendrikvincent 0:05ccbd4f84f1 155 u16_t sc_session; /* PPPoE session id */
hendrikvincent 0:05ccbd4f84f1 156
hendrikvincent 0:05ccbd4f84f1 157 #ifdef PPPOE_TODO
hendrikvincent 0:05ccbd4f84f1 158 char *sc_service_name; /* if != NULL: requested name of service */
hendrikvincent 0:05ccbd4f84f1 159 char *sc_concentrator_name; /* if != NULL: requested concentrator id */
hendrikvincent 0:05ccbd4f84f1 160 #endif /* PPPOE_TODO */
hendrikvincent 0:05ccbd4f84f1 161 u8_t sc_ac_cookie[PPPOE_MAX_AC_COOKIE_LEN]; /* content of AC cookie we must echo back */
hendrikvincent 0:05ccbd4f84f1 162 size_t sc_ac_cookie_len; /* length of cookie data */
hendrikvincent 0:05ccbd4f84f1 163 #ifdef PPPOE_SERVER
hendrikvincent 0:05ccbd4f84f1 164 u8_t *sc_hunique; /* content of host unique we must echo back */
hendrikvincent 0:05ccbd4f84f1 165 size_t sc_hunique_len; /* length of host unique */
hendrikvincent 0:05ccbd4f84f1 166 #endif
hendrikvincent 0:05ccbd4f84f1 167 int sc_padi_retried; /* number of PADI retries already done */
hendrikvincent 0:05ccbd4f84f1 168 int sc_padr_retried; /* number of PADR retries already done */
hendrikvincent 0:05ccbd4f84f1 169 };
hendrikvincent 0:05ccbd4f84f1 170
hendrikvincent 0:05ccbd4f84f1 171
hendrikvincent 0:05ccbd4f84f1 172 #define pppoe_init() /* compatibility define, no initialization needed */
hendrikvincent 0:05ccbd4f84f1 173
hendrikvincent 0:05ccbd4f84f1 174 err_t pppoe_create(struct netif *ethif, int pd, void (*linkStatusCB)(int pd, int up), struct pppoe_softc **scptr);
hendrikvincent 0:05ccbd4f84f1 175 err_t pppoe_destroy(struct netif *ifp);
hendrikvincent 0:05ccbd4f84f1 176
hendrikvincent 0:05ccbd4f84f1 177 int pppoe_connect(struct pppoe_softc *sc);
hendrikvincent 0:05ccbd4f84f1 178 void pppoe_disconnect(struct pppoe_softc *sc);
hendrikvincent 0:05ccbd4f84f1 179
hendrikvincent 0:05ccbd4f84f1 180 void pppoe_disc_input(struct netif *netif, struct pbuf *p);
hendrikvincent 0:05ccbd4f84f1 181 void pppoe_data_input(struct netif *netif, struct pbuf *p);
hendrikvincent 0:05ccbd4f84f1 182
hendrikvincent 0:05ccbd4f84f1 183 err_t pppoe_xmit(struct pppoe_softc *sc, struct pbuf *pb);
hendrikvincent 0:05ccbd4f84f1 184
hendrikvincent 0:05ccbd4f84f1 185 /** used in ppp.c */
hendrikvincent 0:05ccbd4f84f1 186 #define PPPOE_HDRLEN (sizeof(struct eth_hdr) + PPPOE_HEADERLEN)
hendrikvincent 0:05ccbd4f84f1 187
hendrikvincent 0:05ccbd4f84f1 188 #endif /* PPPOE_SUPPORT */
hendrikvincent 0:05ccbd4f84f1 189
hendrikvincent 0:05ccbd4f84f1 190 #endif /* PPP_OE_H */