Yann Garcia / Mbed 2 deprecated DS130x_I2CApp

This short program illustrates how to use the DS130x_I2C library. My objective is to share the same RTC with Microchip 18F MCU.

Dependencies:   mbed DebugLibrary

NetServices/lwip/include/netif/ppp_oe.h@1:995212d326ca, 2011-02-11 (annotated)

Committer:
Yann
Date:
Fri Feb 11 10:17:20 2011 +0000
Revision:
1:995212d326ca
Parent:
0:f30e2135b0db 
V0.0.0.2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Yann 0:f30e2135b0db 1 /*****************************************************************************
Yann 0:f30e2135b0db 2 * ppp_oe.h - PPP Over Ethernet implementation for lwIP.
Yann 0:f30e2135b0db 3 *
Yann 0:f30e2135b0db 4 * Copyright (c) 2006 by Marc Boucher, Services Informatiques (MBSI) inc.
Yann 0:f30e2135b0db 5 *
Yann 0:f30e2135b0db 6 * The authors hereby grant permission to use, copy, modify, distribute,
Yann 0:f30e2135b0db 7 * and license this software and its documentation for any purpose, provided
Yann 0:f30e2135b0db 8 * that existing copyright notices are retained in all copies and that this
Yann 0:f30e2135b0db 9 * notice and the following disclaimer are included verbatim in any
Yann 0:f30e2135b0db 10 * distributions. No written agreement, license, or royalty fee is required
Yann 0:f30e2135b0db 11 * for any of the authorized uses.
Yann 0:f30e2135b0db 12 *
Yann 0:f30e2135b0db 13 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
Yann 0:f30e2135b0db 14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
Yann 0:f30e2135b0db 15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
Yann 0:f30e2135b0db 16 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
Yann 0:f30e2135b0db 17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
Yann 0:f30e2135b0db 18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
Yann 0:f30e2135b0db 19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
Yann 0:f30e2135b0db 20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Yann 0:f30e2135b0db 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
Yann 0:f30e2135b0db 22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Yann 0:f30e2135b0db 23 *
Yann 0:f30e2135b0db 24 ******************************************************************************
Yann 0:f30e2135b0db 25 * REVISION HISTORY
Yann 0:f30e2135b0db 26 *
Yann 0:f30e2135b0db 27 * 06-01-01 Marc Boucher <marc@mbsi.ca>
Yann 0:f30e2135b0db 28 * Ported to lwIP.
Yann 0:f30e2135b0db 29 *****************************************************************************/
Yann 0:f30e2135b0db 30
Yann 0:f30e2135b0db 31
Yann 0:f30e2135b0db 32
Yann 0:f30e2135b0db 33 /* based on NetBSD: if_pppoe.c,v 1.64 2006/01/31 23:50:15 martin Exp */
Yann 0:f30e2135b0db 34
Yann 0:f30e2135b0db 35 /*-
Yann 0:f30e2135b0db 36 * Copyright (c) 2002 The NetBSD Foundation, Inc.
Yann 0:f30e2135b0db 37 * All rights reserved.
Yann 0:f30e2135b0db 38 *
Yann 0:f30e2135b0db 39 * This code is derived from software contributed to The NetBSD Foundation
Yann 0:f30e2135b0db 40 * by Martin Husemann <martin@NetBSD.org>.
Yann 0:f30e2135b0db 41 *
Yann 0:f30e2135b0db 42 * Redistribution and use in source and binary forms, with or without
Yann 0:f30e2135b0db 43 * modification, are permitted provided that the following conditions
Yann 0:f30e2135b0db 44 * are met:
Yann 0:f30e2135b0db 45 * 1. Redistributions of source code must retain the above copyright
Yann 0:f30e2135b0db 46 * notice, this list of conditions and the following disclaimer.
Yann 0:f30e2135b0db 47 * 2. Redistributions in binary form must reproduce the above copyright
Yann 0:f30e2135b0db 48 * notice, this list of conditions and the following disclaimer in the
Yann 0:f30e2135b0db 49 * documentation and/or other materials provided with the distribution.
Yann 0:f30e2135b0db 50 * 3. All advertising materials mentioning features or use of this software
Yann 0:f30e2135b0db 51 * must display the following acknowledgement:
Yann 0:f30e2135b0db 52 * This product includes software developed by the NetBSD
Yann 0:f30e2135b0db 53 * Foundation, Inc. and its contributors.
Yann 0:f30e2135b0db 54 * 4. Neither the name of The NetBSD Foundation nor the names of its
Yann 0:f30e2135b0db 55 * contributors may be used to endorse or promote products derived
Yann 0:f30e2135b0db 56 * from this software without specific prior written permission.
Yann 0:f30e2135b0db 57 *
Yann 0:f30e2135b0db 58 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
Yann 0:f30e2135b0db 59 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
Yann 0:f30e2135b0db 60 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
Yann 0:f30e2135b0db 61 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
Yann 0:f30e2135b0db 62 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
Yann 0:f30e2135b0db 63 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
Yann 0:f30e2135b0db 64 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
Yann 0:f30e2135b0db 65 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
Yann 0:f30e2135b0db 66 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
Yann 0:f30e2135b0db 67 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
Yann 0:f30e2135b0db 68 * POSSIBILITY OF SUCH DAMAGE.
Yann 0:f30e2135b0db 69 */
Yann 0:f30e2135b0db 70 #ifndef PPP_OE_H
Yann 0:f30e2135b0db 71 #define PPP_OE_H
Yann 0:f30e2135b0db 72
Yann 0:f30e2135b0db 73 #include "lwip/opt.h"
Yann 0:f30e2135b0db 74
Yann 0:f30e2135b0db 75 #if PPPOE_SUPPORT > 0
Yann 0:f30e2135b0db 76
Yann 0:f30e2135b0db 77 #include "netif/etharp.h"
Yann 0:f30e2135b0db 78
Yann 0:f30e2135b0db 79 #ifdef PACK_STRUCT_USE_INCLUDES
Yann 0:f30e2135b0db 80 # include "arch/bpstruct.h"
Yann 0:f30e2135b0db 81 #endif
Yann 0:f30e2135b0db 82 PACK_STRUCT_BEGIN
Yann 0:f30e2135b0db 83 struct pppoehdr {
Yann 0:f30e2135b0db 84 PACK_STRUCT_FIELD(u8_t vertype);
Yann 0:f30e2135b0db 85 PACK_STRUCT_FIELD(u8_t code);
Yann 0:f30e2135b0db 86 PACK_STRUCT_FIELD(u16_t session);
Yann 0:f30e2135b0db 87 PACK_STRUCT_FIELD(u16_t plen);
Yann 0:f30e2135b0db 88 } PACK_STRUCT_STRUCT;
Yann 0:f30e2135b0db 89 PACK_STRUCT_END
Yann 0:f30e2135b0db 90 #ifdef PACK_STRUCT_USE_INCLUDES
Yann 0:f30e2135b0db 91 # include "arch/epstruct.h"
Yann 0:f30e2135b0db 92 #endif
Yann 0:f30e2135b0db 93
Yann 0:f30e2135b0db 94 #ifdef PACK_STRUCT_USE_INCLUDES
Yann 0:f30e2135b0db 95 # include "arch/bpstruct.h"
Yann 0:f30e2135b0db 96 #endif
Yann 0:f30e2135b0db 97 PACK_STRUCT_BEGIN
Yann 0:f30e2135b0db 98 struct pppoetag {
Yann 0:f30e2135b0db 99 PACK_STRUCT_FIELD(u16_t tag);
Yann 0:f30e2135b0db 100 PACK_STRUCT_FIELD(u16_t len);
Yann 0:f30e2135b0db 101 } PACK_STRUCT_STRUCT;
Yann 0:f30e2135b0db 102 PACK_STRUCT_END
Yann 0:f30e2135b0db 103 #ifdef PACK_STRUCT_USE_INCLUDES
Yann 0:f30e2135b0db 104 # include "arch/epstruct.h"
Yann 0:f30e2135b0db 105 #endif
Yann 0:f30e2135b0db 106
Yann 0:f30e2135b0db 107
Yann 0:f30e2135b0db 108 #define PPPOE_STATE_INITIAL 0
Yann 0:f30e2135b0db 109 #define PPPOE_STATE_PADI_SENT 1
Yann 0:f30e2135b0db 110 #define PPPOE_STATE_PADR_SENT 2
Yann 0:f30e2135b0db 111 #define PPPOE_STATE_SESSION 3
Yann 0:f30e2135b0db 112 #define PPPOE_STATE_CLOSING 4
Yann 0:f30e2135b0db 113 /* passive */
Yann 0:f30e2135b0db 114 #define PPPOE_STATE_PADO_SENT 1
Yann 0:f30e2135b0db 115
Yann 0:f30e2135b0db 116 #define PPPOE_HEADERLEN sizeof(struct pppoehdr)
Yann 0:f30e2135b0db 117 #define PPPOE_VERTYPE 0x11 /* VER=1, TYPE = 1 */
Yann 0:f30e2135b0db 118
Yann 0:f30e2135b0db 119 #define PPPOE_TAG_EOL 0x0000 /* end of list */
Yann 0:f30e2135b0db 120 #define PPPOE_TAG_SNAME 0x0101 /* service name */
Yann 0:f30e2135b0db 121 #define PPPOE_TAG_ACNAME 0x0102 /* access concentrator name */
Yann 0:f30e2135b0db 122 #define PPPOE_TAG_HUNIQUE 0x0103 /* host unique */
Yann 0:f30e2135b0db 123 #define PPPOE_TAG_ACCOOKIE 0x0104 /* AC cookie */
Yann 0:f30e2135b0db 124 #define PPPOE_TAG_VENDOR 0x0105 /* vendor specific */
Yann 0:f30e2135b0db 125 #define PPPOE_TAG_RELAYSID 0x0110 /* relay session id */
Yann 0:f30e2135b0db 126 #define PPPOE_TAG_SNAME_ERR 0x0201 /* service name error */
Yann 0:f30e2135b0db 127 #define PPPOE_TAG_ACSYS_ERR 0x0202 /* AC system error */
Yann 0:f30e2135b0db 128 #define PPPOE_TAG_GENERIC_ERR 0x0203 /* gerneric error */
Yann 0:f30e2135b0db 129
Yann 0:f30e2135b0db 130 #define PPPOE_CODE_PADI 0x09 /* Active Discovery Initiation */
Yann 0:f30e2135b0db 131 #define PPPOE_CODE_PADO 0x07 /* Active Discovery Offer */
Yann 0:f30e2135b0db 132 #define PPPOE_CODE_PADR 0x19 /* Active Discovery Request */
Yann 0:f30e2135b0db 133 #define PPPOE_CODE_PADS 0x65 /* Active Discovery Session confirmation */
Yann 0:f30e2135b0db 134 #define PPPOE_CODE_PADT 0xA7 /* Active Discovery Terminate */
Yann 0:f30e2135b0db 135
Yann 0:f30e2135b0db 136 #ifndef ETHERMTU
Yann 0:f30e2135b0db 137 #define ETHERMTU 1500
Yann 0:f30e2135b0db 138 #endif
Yann 0:f30e2135b0db 139
Yann 0:f30e2135b0db 140 /* two byte PPP protocol discriminator, then IP data */
Yann 0:f30e2135b0db 141 #define PPPOE_MAXMTU (ETHERMTU-PPPOE_HEADERLEN-2)
Yann 0:f30e2135b0db 142
Yann 0:f30e2135b0db 143 #ifndef PPPOE_MAX_AC_COOKIE_LEN
Yann 0:f30e2135b0db 144 #define PPPOE_MAX_AC_COOKIE_LEN 64
Yann 0:f30e2135b0db 145 #endif
Yann 0:f30e2135b0db 146
Yann 0:f30e2135b0db 147 struct pppoe_softc {
Yann 0:f30e2135b0db 148 struct pppoe_softc *next;
Yann 0:f30e2135b0db 149 struct netif *sc_ethif; /* ethernet interface we are using */
Yann 0:f30e2135b0db 150 int sc_pd; /* ppp unit number */
Yann 0:f30e2135b0db 151 void (*sc_linkStatusCB)(int pd, int up);
Yann 0:f30e2135b0db 152
Yann 0:f30e2135b0db 153 int sc_state; /* discovery phase or session connected */
Yann 0:f30e2135b0db 154 struct eth_addr sc_dest; /* hardware address of concentrator */
Yann 0:f30e2135b0db 155 u16_t sc_session; /* PPPoE session id */
Yann 0:f30e2135b0db 156
Yann 0:f30e2135b0db 157 #ifdef PPPOE_TODO
Yann 0:f30e2135b0db 158 char *sc_service_name; /* if != NULL: requested name of service */
Yann 0:f30e2135b0db 159 char *sc_concentrator_name; /* if != NULL: requested concentrator id */
Yann 0:f30e2135b0db 160 #endif /* PPPOE_TODO */
Yann 0:f30e2135b0db 161 u8_t sc_ac_cookie[PPPOE_MAX_AC_COOKIE_LEN]; /* content of AC cookie we must echo back */
Yann 0:f30e2135b0db 162 size_t sc_ac_cookie_len; /* length of cookie data */
Yann 0:f30e2135b0db 163 #ifdef PPPOE_SERVER
Yann 0:f30e2135b0db 164 u8_t *sc_hunique; /* content of host unique we must echo back */
Yann 0:f30e2135b0db 165 size_t sc_hunique_len; /* length of host unique */
Yann 0:f30e2135b0db 166 #endif
Yann 0:f30e2135b0db 167 int sc_padi_retried; /* number of PADI retries already done */
Yann 0:f30e2135b0db 168 int sc_padr_retried; /* number of PADR retries already done */
Yann 0:f30e2135b0db 169 };
Yann 0:f30e2135b0db 170
Yann 0:f30e2135b0db 171
Yann 0:f30e2135b0db 172 #define pppoe_init() /* compatibility define, no initialization needed */
Yann 0:f30e2135b0db 173
Yann 0:f30e2135b0db 174 err_t pppoe_create(struct netif *ethif, int pd, void (*linkStatusCB)(int pd, int up), struct pppoe_softc **scptr);
Yann 0:f30e2135b0db 175 err_t pppoe_destroy(struct netif *ifp);
Yann 0:f30e2135b0db 176
Yann 0:f30e2135b0db 177 int pppoe_connect(struct pppoe_softc *sc);
Yann 0:f30e2135b0db 178 void pppoe_disconnect(struct pppoe_softc *sc);
Yann 0:f30e2135b0db 179
Yann 0:f30e2135b0db 180 void pppoe_disc_input(struct netif *netif, struct pbuf *p);
Yann 0:f30e2135b0db 181 void pppoe_data_input(struct netif *netif, struct pbuf *p);
Yann 0:f30e2135b0db 182
Yann 0:f30e2135b0db 183 err_t pppoe_xmit(struct pppoe_softc *sc, struct pbuf *pb);
Yann 0:f30e2135b0db 184
Yann 0:f30e2135b0db 185 /** used in ppp.c */
Yann 0:f30e2135b0db 186 #define PPPOE_HDRLEN (sizeof(struct eth_hdr) + PPPOE_HEADERLEN)
Yann 0:f30e2135b0db 187
Yann 0:f30e2135b0db 188 #endif /* PPPOE_SUPPORT */
Yann 0:f30e2135b0db 189
Yann 0:f30e2135b0db 190 #endif /* PPP_OE_H */