Some quick code to use UDP-only (no TCP) with mBed. Echos received packets and sends packets when a button is pressed

Dependencies:   mbed

Committer:
pehrhovey
Date:
Sun Mar 14 00:54:12 2010 +0000
Revision:
0:a548a085de55

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pehrhovey 0:a548a085de55 1 /*****************************************************************************
pehrhovey 0:a548a085de55 2 * ppp_oe.h - PPP Over Ethernet implementation for lwIP.
pehrhovey 0:a548a085de55 3 *
pehrhovey 0:a548a085de55 4 * Copyright (c) 2006 by Marc Boucher, Services Informatiques (MBSI) inc.
pehrhovey 0:a548a085de55 5 *
pehrhovey 0:a548a085de55 6 * The authors hereby grant permission to use, copy, modify, distribute,
pehrhovey 0:a548a085de55 7 * and license this software and its documentation for any purpose, provided
pehrhovey 0:a548a085de55 8 * that existing copyright notices are retained in all copies and that this
pehrhovey 0:a548a085de55 9 * notice and the following disclaimer are included verbatim in any
pehrhovey 0:a548a085de55 10 * distributions. No written agreement, license, or royalty fee is required
pehrhovey 0:a548a085de55 11 * for any of the authorized uses.
pehrhovey 0:a548a085de55 12 *
pehrhovey 0:a548a085de55 13 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
pehrhovey 0:a548a085de55 14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
pehrhovey 0:a548a085de55 15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
pehrhovey 0:a548a085de55 16 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
pehrhovey 0:a548a085de55 17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
pehrhovey 0:a548a085de55 18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
pehrhovey 0:a548a085de55 19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
pehrhovey 0:a548a085de55 20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
pehrhovey 0:a548a085de55 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
pehrhovey 0:a548a085de55 22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
pehrhovey 0:a548a085de55 23 *
pehrhovey 0:a548a085de55 24 ******************************************************************************
pehrhovey 0:a548a085de55 25 * REVISION HISTORY
pehrhovey 0:a548a085de55 26 *
pehrhovey 0:a548a085de55 27 * 06-01-01 Marc Boucher <marc@mbsi.ca>
pehrhovey 0:a548a085de55 28 * Ported to lwIP.
pehrhovey 0:a548a085de55 29 *****************************************************************************/
pehrhovey 0:a548a085de55 30
pehrhovey 0:a548a085de55 31
pehrhovey 0:a548a085de55 32
pehrhovey 0:a548a085de55 33 /* based on NetBSD: if_pppoe.c,v 1.64 2006/01/31 23:50:15 martin Exp */
pehrhovey 0:a548a085de55 34
pehrhovey 0:a548a085de55 35 /*-
pehrhovey 0:a548a085de55 36 * Copyright (c) 2002 The NetBSD Foundation, Inc.
pehrhovey 0:a548a085de55 37 * All rights reserved.
pehrhovey 0:a548a085de55 38 *
pehrhovey 0:a548a085de55 39 * This code is derived from software contributed to The NetBSD Foundation
pehrhovey 0:a548a085de55 40 * by Martin Husemann <martin@NetBSD.org>.
pehrhovey 0:a548a085de55 41 *
pehrhovey 0:a548a085de55 42 * Redistribution and use in source and binary forms, with or without
pehrhovey 0:a548a085de55 43 * modification, are permitted provided that the following conditions
pehrhovey 0:a548a085de55 44 * are met:
pehrhovey 0:a548a085de55 45 * 1. Redistributions of source code must retain the above copyright
pehrhovey 0:a548a085de55 46 * notice, this list of conditions and the following disclaimer.
pehrhovey 0:a548a085de55 47 * 2. Redistributions in binary form must reproduce the above copyright
pehrhovey 0:a548a085de55 48 * notice, this list of conditions and the following disclaimer in the
pehrhovey 0:a548a085de55 49 * documentation and/or other materials provided with the distribution.
pehrhovey 0:a548a085de55 50 * 3. All advertising materials mentioning features or use of this software
pehrhovey 0:a548a085de55 51 * must display the following acknowledgement:
pehrhovey 0:a548a085de55 52 * This product includes software developed by the NetBSD
pehrhovey 0:a548a085de55 53 * Foundation, Inc. and its contributors.
pehrhovey 0:a548a085de55 54 * 4. Neither the name of The NetBSD Foundation nor the names of its
pehrhovey 0:a548a085de55 55 * contributors may be used to endorse or promote products derived
pehrhovey 0:a548a085de55 56 * from this software without specific prior written permission.
pehrhovey 0:a548a085de55 57 *
pehrhovey 0:a548a085de55 58 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
pehrhovey 0:a548a085de55 59 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
pehrhovey 0:a548a085de55 60 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
pehrhovey 0:a548a085de55 61 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
pehrhovey 0:a548a085de55 62 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
pehrhovey 0:a548a085de55 63 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
pehrhovey 0:a548a085de55 64 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
pehrhovey 0:a548a085de55 65 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
pehrhovey 0:a548a085de55 66 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
pehrhovey 0:a548a085de55 67 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
pehrhovey 0:a548a085de55 68 * POSSIBILITY OF SUCH DAMAGE.
pehrhovey 0:a548a085de55 69 */
pehrhovey 0:a548a085de55 70 #ifndef PPP_OE_H
pehrhovey 0:a548a085de55 71 #define PPP_OE_H
pehrhovey 0:a548a085de55 72
pehrhovey 0:a548a085de55 73 #include "lwip/opt.h"
pehrhovey 0:a548a085de55 74
pehrhovey 0:a548a085de55 75 #if PPPOE_SUPPORT > 0
pehrhovey 0:a548a085de55 76
pehrhovey 0:a548a085de55 77 #ifdef PACK_STRUCT_USE_INCLUDES
pehrhovey 0:a548a085de55 78 # include "arch/bpstruct.h"
pehrhovey 0:a548a085de55 79 #endif
pehrhovey 0:a548a085de55 80 PACK_STRUCT_BEGIN
pehrhovey 0:a548a085de55 81 struct pppoehdr {
pehrhovey 0:a548a085de55 82 PACK_STRUCT_FIELD(u8_t vertype);
pehrhovey 0:a548a085de55 83 PACK_STRUCT_FIELD(u8_t code);
pehrhovey 0:a548a085de55 84 PACK_STRUCT_FIELD(u16_t session);
pehrhovey 0:a548a085de55 85 PACK_STRUCT_FIELD(u16_t plen);
pehrhovey 0:a548a085de55 86 } PACK_STRUCT_STRUCT;
pehrhovey 0:a548a085de55 87 PACK_STRUCT_END
pehrhovey 0:a548a085de55 88 #ifdef PACK_STRUCT_USE_INCLUDES
pehrhovey 0:a548a085de55 89 # include "arch/epstruct.h"
pehrhovey 0:a548a085de55 90 #endif
pehrhovey 0:a548a085de55 91
pehrhovey 0:a548a085de55 92 #ifdef PACK_STRUCT_USE_INCLUDES
pehrhovey 0:a548a085de55 93 # include "arch/bpstruct.h"
pehrhovey 0:a548a085de55 94 #endif
pehrhovey 0:a548a085de55 95 PACK_STRUCT_BEGIN
pehrhovey 0:a548a085de55 96 struct pppoetag {
pehrhovey 0:a548a085de55 97 PACK_STRUCT_FIELD(u16_t tag);
pehrhovey 0:a548a085de55 98 PACK_STRUCT_FIELD(u16_t len);
pehrhovey 0:a548a085de55 99 } PACK_STRUCT_STRUCT;
pehrhovey 0:a548a085de55 100 PACK_STRUCT_END
pehrhovey 0:a548a085de55 101 #ifdef PACK_STRUCT_USE_INCLUDES
pehrhovey 0:a548a085de55 102 # include "arch/epstruct.h"
pehrhovey 0:a548a085de55 103 #endif
pehrhovey 0:a548a085de55 104
pehrhovey 0:a548a085de55 105
pehrhovey 0:a548a085de55 106 #define PPPOE_STATE_INITIAL 0
pehrhovey 0:a548a085de55 107 #define PPPOE_STATE_PADI_SENT 1
pehrhovey 0:a548a085de55 108 #define PPPOE_STATE_PADR_SENT 2
pehrhovey 0:a548a085de55 109 #define PPPOE_STATE_SESSION 3
pehrhovey 0:a548a085de55 110 #define PPPOE_STATE_CLOSING 4
pehrhovey 0:a548a085de55 111 /* passive */
pehrhovey 0:a548a085de55 112 #define PPPOE_STATE_PADO_SENT 1
pehrhovey 0:a548a085de55 113
pehrhovey 0:a548a085de55 114 #define PPPOE_HEADERLEN sizeof(struct pppoehdr)
pehrhovey 0:a548a085de55 115 #define PPPOE_VERTYPE 0x11 /* VER=1, TYPE = 1 */
pehrhovey 0:a548a085de55 116
pehrhovey 0:a548a085de55 117 #define PPPOE_TAG_EOL 0x0000 /* end of list */
pehrhovey 0:a548a085de55 118 #define PPPOE_TAG_SNAME 0x0101 /* service name */
pehrhovey 0:a548a085de55 119 #define PPPOE_TAG_ACNAME 0x0102 /* access concentrator name */
pehrhovey 0:a548a085de55 120 #define PPPOE_TAG_HUNIQUE 0x0103 /* host unique */
pehrhovey 0:a548a085de55 121 #define PPPOE_TAG_ACCOOKIE 0x0104 /* AC cookie */
pehrhovey 0:a548a085de55 122 #define PPPOE_TAG_VENDOR 0x0105 /* vendor specific */
pehrhovey 0:a548a085de55 123 #define PPPOE_TAG_RELAYSID 0x0110 /* relay session id */
pehrhovey 0:a548a085de55 124 #define PPPOE_TAG_SNAME_ERR 0x0201 /* service name error */
pehrhovey 0:a548a085de55 125 #define PPPOE_TAG_ACSYS_ERR 0x0202 /* AC system error */
pehrhovey 0:a548a085de55 126 #define PPPOE_TAG_GENERIC_ERR 0x0203 /* gerneric error */
pehrhovey 0:a548a085de55 127
pehrhovey 0:a548a085de55 128 #define PPPOE_CODE_PADI 0x09 /* Active Discovery Initiation */
pehrhovey 0:a548a085de55 129 #define PPPOE_CODE_PADO 0x07 /* Active Discovery Offer */
pehrhovey 0:a548a085de55 130 #define PPPOE_CODE_PADR 0x19 /* Active Discovery Request */
pehrhovey 0:a548a085de55 131 #define PPPOE_CODE_PADS 0x65 /* Active Discovery Session confirmation */
pehrhovey 0:a548a085de55 132 #define PPPOE_CODE_PADT 0xA7 /* Active Discovery Terminate */
pehrhovey 0:a548a085de55 133
pehrhovey 0:a548a085de55 134 #ifndef ETHERMTU
pehrhovey 0:a548a085de55 135 #define ETHERMTU 1500
pehrhovey 0:a548a085de55 136 #endif
pehrhovey 0:a548a085de55 137
pehrhovey 0:a548a085de55 138 /* two byte PPP protocol discriminator, then IP data */
pehrhovey 0:a548a085de55 139 #define PPPOE_MAXMTU (ETHERMTU-PPPOE_HEADERLEN-2)
pehrhovey 0:a548a085de55 140
pehrhovey 0:a548a085de55 141 struct pppoe_softc;
pehrhovey 0:a548a085de55 142
pehrhovey 0:a548a085de55 143
pehrhovey 0:a548a085de55 144 void pppoe_init(void);
pehrhovey 0:a548a085de55 145
pehrhovey 0:a548a085de55 146 err_t pppoe_create(struct netif *ethif, int pd, void (*linkStatusCB)(int pd, int up), struct pppoe_softc **scptr);
pehrhovey 0:a548a085de55 147 err_t pppoe_destroy(struct netif *ifp);
pehrhovey 0:a548a085de55 148
pehrhovey 0:a548a085de55 149 int pppoe_connect(struct pppoe_softc *sc);
pehrhovey 0:a548a085de55 150 void pppoe_disconnect(struct pppoe_softc *sc);
pehrhovey 0:a548a085de55 151
pehrhovey 0:a548a085de55 152 void pppoe_disc_input(struct netif *netif, struct pbuf *p);
pehrhovey 0:a548a085de55 153 void pppoe_data_input(struct netif *netif, struct pbuf *p);
pehrhovey 0:a548a085de55 154
pehrhovey 0:a548a085de55 155 err_t pppoe_xmit(struct pppoe_softc *sc, struct pbuf *pb);
pehrhovey 0:a548a085de55 156
pehrhovey 0:a548a085de55 157 extern int pppoe_hdrlen;
pehrhovey 0:a548a085de55 158
pehrhovey 0:a548a085de55 159 #endif /* PPPOE_SUPPORT */
pehrhovey 0:a548a085de55 160
pehrhovey 0:a548a085de55 161 #endif /* PPP_OE_H */