Forked from the DieterGraef Library
Fork of F7_Ethernet by
lwip/netif/ppp/ppp_impl.h@2:fdef48f830c0, 2016-11-18 (annotated)
- Committer:
- EmbeddedSam
- Date:
- Fri Nov 18 12:48:10 2016 +0000
- Revision:
- 2:fdef48f830c0
- Parent:
- 0:d26c1b55cfca
Linking MQTT together, starting with mbed-cli
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
DieterGraef | 0:d26c1b55cfca | 1 | /***************************************************************************** |
DieterGraef | 0:d26c1b55cfca | 2 | * ppp.h - Network Point to Point Protocol header file. |
DieterGraef | 0:d26c1b55cfca | 3 | * |
DieterGraef | 0:d26c1b55cfca | 4 | * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc. |
DieterGraef | 0:d26c1b55cfca | 5 | * portions Copyright (c) 1997 Global Election Systems Inc. |
DieterGraef | 0:d26c1b55cfca | 6 | * |
DieterGraef | 0:d26c1b55cfca | 7 | * The authors hereby grant permission to use, copy, modify, distribute, |
DieterGraef | 0:d26c1b55cfca | 8 | * and license this software and its documentation for any purpose, provided |
DieterGraef | 0:d26c1b55cfca | 9 | * that existing copyright notices are retained in all copies and that this |
DieterGraef | 0:d26c1b55cfca | 10 | * notice and the following disclaimer are included verbatim in any |
DieterGraef | 0:d26c1b55cfca | 11 | * distributions. No written agreement, license, or royalty fee is required |
DieterGraef | 0:d26c1b55cfca | 12 | * for any of the authorized uses. |
DieterGraef | 0:d26c1b55cfca | 13 | * |
DieterGraef | 0:d26c1b55cfca | 14 | * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR |
DieterGraef | 0:d26c1b55cfca | 15 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
DieterGraef | 0:d26c1b55cfca | 16 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
DieterGraef | 0:d26c1b55cfca | 17 | * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
DieterGraef | 0:d26c1b55cfca | 18 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
DieterGraef | 0:d26c1b55cfca | 19 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
DieterGraef | 0:d26c1b55cfca | 20 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
DieterGraef | 0:d26c1b55cfca | 21 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
DieterGraef | 0:d26c1b55cfca | 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
DieterGraef | 0:d26c1b55cfca | 23 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
DieterGraef | 0:d26c1b55cfca | 24 | * |
DieterGraef | 0:d26c1b55cfca | 25 | ****************************************************************************** |
DieterGraef | 0:d26c1b55cfca | 26 | * REVISION HISTORY |
DieterGraef | 0:d26c1b55cfca | 27 | * |
DieterGraef | 0:d26c1b55cfca | 28 | * 03-01-01 Marc Boucher <marc@mbsi.ca> |
DieterGraef | 0:d26c1b55cfca | 29 | * Ported to lwIP. |
DieterGraef | 0:d26c1b55cfca | 30 | * 97-11-05 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc. |
DieterGraef | 0:d26c1b55cfca | 31 | * Original derived from BSD codes. |
DieterGraef | 0:d26c1b55cfca | 32 | *****************************************************************************/ |
DieterGraef | 0:d26c1b55cfca | 33 | |
DieterGraef | 0:d26c1b55cfca | 34 | #ifndef PPP_IMPL_H |
DieterGraef | 0:d26c1b55cfca | 35 | #define PPP_IMPL_H |
DieterGraef | 0:d26c1b55cfca | 36 | |
DieterGraef | 0:d26c1b55cfca | 37 | #include "lwip/opt.h" |
DieterGraef | 0:d26c1b55cfca | 38 | |
DieterGraef | 0:d26c1b55cfca | 39 | #if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */ |
DieterGraef | 0:d26c1b55cfca | 40 | |
DieterGraef | 0:d26c1b55cfca | 41 | #include "ppp.h" |
DieterGraef | 0:d26c1b55cfca | 42 | #include "lwip/def.h" |
DieterGraef | 0:d26c1b55cfca | 43 | #include "lwip/sio.h" |
DieterGraef | 0:d26c1b55cfca | 44 | #include "lwip/stats.h" |
DieterGraef | 0:d26c1b55cfca | 45 | #include "lwip/mem.h" |
DieterGraef | 0:d26c1b55cfca | 46 | #include "lwip/netif.h" |
DieterGraef | 0:d26c1b55cfca | 47 | #include "lwip/sys.h" |
DieterGraef | 0:d26c1b55cfca | 48 | #include "lwip/timers.h" |
DieterGraef | 0:d26c1b55cfca | 49 | |
DieterGraef | 0:d26c1b55cfca | 50 | /** Some defines for code we skip compared to the original pppd. |
DieterGraef | 0:d26c1b55cfca | 51 | * These are just here to minimise the use of the ugly "#if 0". */ |
DieterGraef | 0:d26c1b55cfca | 52 | #define PPP_ADDITIONAL_CALLBACKS 0 |
DieterGraef | 0:d26c1b55cfca | 53 | |
DieterGraef | 0:d26c1b55cfca | 54 | /** Some error checks to test for unsupported code */ |
DieterGraef | 0:d26c1b55cfca | 55 | #if CBCP_SUPPORT |
DieterGraef | 0:d26c1b55cfca | 56 | #error "CBCP is not supported in lwIP PPP" |
DieterGraef | 0:d26c1b55cfca | 57 | #endif |
DieterGraef | 0:d26c1b55cfca | 58 | #if CCP_SUPPORT |
DieterGraef | 0:d26c1b55cfca | 59 | #error "CCP is not supported in lwIP PPP" |
DieterGraef | 0:d26c1b55cfca | 60 | #endif |
DieterGraef | 0:d26c1b55cfca | 61 | |
DieterGraef | 0:d26c1b55cfca | 62 | /* |
DieterGraef | 0:d26c1b55cfca | 63 | * pppd.h - PPP daemon global declarations. |
DieterGraef | 0:d26c1b55cfca | 64 | * |
DieterGraef | 0:d26c1b55cfca | 65 | * Copyright (c) 1989 Carnegie Mellon University. |
DieterGraef | 0:d26c1b55cfca | 66 | * All rights reserved. |
DieterGraef | 0:d26c1b55cfca | 67 | * |
DieterGraef | 0:d26c1b55cfca | 68 | * Redistribution and use in source and binary forms are permitted |
DieterGraef | 0:d26c1b55cfca | 69 | * provided that the above copyright notice and this paragraph are |
DieterGraef | 0:d26c1b55cfca | 70 | * duplicated in all such forms and that any documentation, |
DieterGraef | 0:d26c1b55cfca | 71 | * advertising materials, and other materials related to such |
DieterGraef | 0:d26c1b55cfca | 72 | * distribution and use acknowledge that the software was developed |
DieterGraef | 0:d26c1b55cfca | 73 | * by Carnegie Mellon University. The name of the |
DieterGraef | 0:d26c1b55cfca | 74 | * University may not be used to endorse or promote products derived |
DieterGraef | 0:d26c1b55cfca | 75 | * from this software without specific prior written permission. |
DieterGraef | 0:d26c1b55cfca | 76 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR |
DieterGraef | 0:d26c1b55cfca | 77 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED |
DieterGraef | 0:d26c1b55cfca | 78 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
DieterGraef | 0:d26c1b55cfca | 79 | * |
DieterGraef | 0:d26c1b55cfca | 80 | */ |
DieterGraef | 0:d26c1b55cfca | 81 | /* |
DieterGraef | 0:d26c1b55cfca | 82 | * ppp_defs.h - PPP definitions. |
DieterGraef | 0:d26c1b55cfca | 83 | * |
DieterGraef | 0:d26c1b55cfca | 84 | * Copyright (c) 1994 The Australian National University. |
DieterGraef | 0:d26c1b55cfca | 85 | * All rights reserved. |
DieterGraef | 0:d26c1b55cfca | 86 | * |
DieterGraef | 0:d26c1b55cfca | 87 | * Permission to use, copy, modify, and distribute this software and its |
DieterGraef | 0:d26c1b55cfca | 88 | * documentation is hereby granted, provided that the above copyright |
DieterGraef | 0:d26c1b55cfca | 89 | * notice appears in all copies. This software is provided without any |
DieterGraef | 0:d26c1b55cfca | 90 | * warranty, express or implied. The Australian National University |
DieterGraef | 0:d26c1b55cfca | 91 | * makes no representations about the suitability of this software for |
DieterGraef | 0:d26c1b55cfca | 92 | * any purpose. |
DieterGraef | 0:d26c1b55cfca | 93 | * |
DieterGraef | 0:d26c1b55cfca | 94 | * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY |
DieterGraef | 0:d26c1b55cfca | 95 | * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
DieterGraef | 0:d26c1b55cfca | 96 | * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF |
DieterGraef | 0:d26c1b55cfca | 97 | * THE AUSTRALIAN NATIONAL UNIVERSITY HAVE BEEN ADVISED OF THE POSSIBILITY |
DieterGraef | 0:d26c1b55cfca | 98 | * OF SUCH DAMAGE. |
DieterGraef | 0:d26c1b55cfca | 99 | * |
DieterGraef | 0:d26c1b55cfca | 100 | * THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES, |
DieterGraef | 0:d26c1b55cfca | 101 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY |
DieterGraef | 0:d26c1b55cfca | 102 | * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
DieterGraef | 0:d26c1b55cfca | 103 | * ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO |
DieterGraef | 0:d26c1b55cfca | 104 | * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, |
DieterGraef | 0:d26c1b55cfca | 105 | * OR MODIFICATIONS. |
DieterGraef | 0:d26c1b55cfca | 106 | */ |
DieterGraef | 0:d26c1b55cfca | 107 | |
DieterGraef | 0:d26c1b55cfca | 108 | #define TIMEOUT(f, a, t) do { sys_untimeout((f), (a)); sys_timeout((t)*1000, (f), (a)); } while(0) |
DieterGraef | 0:d26c1b55cfca | 109 | #define UNTIMEOUT(f, a) sys_untimeout((f), (a)) |
DieterGraef | 0:d26c1b55cfca | 110 | |
DieterGraef | 0:d26c1b55cfca | 111 | |
DieterGraef | 0:d26c1b55cfca | 112 | /* |
DieterGraef | 0:d26c1b55cfca | 113 | * Constants and structures defined by the internet system, |
DieterGraef | 0:d26c1b55cfca | 114 | * Per RFC 790, September 1981, and numerous additions. |
DieterGraef | 0:d26c1b55cfca | 115 | */ |
DieterGraef | 0:d26c1b55cfca | 116 | |
DieterGraef | 0:d26c1b55cfca | 117 | /* |
DieterGraef | 0:d26c1b55cfca | 118 | * The basic PPP frame. |
DieterGraef | 0:d26c1b55cfca | 119 | */ |
DieterGraef | 0:d26c1b55cfca | 120 | #define PPP_HDRLEN 4 /* octets for standard ppp header */ |
DieterGraef | 0:d26c1b55cfca | 121 | #define PPP_FCSLEN 2 /* octets for FCS */ |
DieterGraef | 0:d26c1b55cfca | 122 | |
DieterGraef | 0:d26c1b55cfca | 123 | |
DieterGraef | 0:d26c1b55cfca | 124 | /* |
DieterGraef | 0:d26c1b55cfca | 125 | * Significant octet values. |
DieterGraef | 0:d26c1b55cfca | 126 | */ |
DieterGraef | 0:d26c1b55cfca | 127 | #define PPP_ALLSTATIONS 0xff /* All-Stations broadcast address */ |
DieterGraef | 0:d26c1b55cfca | 128 | #define PPP_UI 0x03 /* Unnumbered Information */ |
DieterGraef | 0:d26c1b55cfca | 129 | #define PPP_FLAG 0x7e /* Flag Sequence */ |
DieterGraef | 0:d26c1b55cfca | 130 | #define PPP_ESCAPE 0x7d /* Asynchronous Control Escape */ |
DieterGraef | 0:d26c1b55cfca | 131 | #define PPP_TRANS 0x20 /* Asynchronous transparency modifier */ |
DieterGraef | 0:d26c1b55cfca | 132 | |
DieterGraef | 0:d26c1b55cfca | 133 | /* |
DieterGraef | 0:d26c1b55cfca | 134 | * Protocol field values. |
DieterGraef | 0:d26c1b55cfca | 135 | */ |
DieterGraef | 0:d26c1b55cfca | 136 | #define PPP_IP 0x21 /* Internet Protocol */ |
DieterGraef | 0:d26c1b55cfca | 137 | #define PPP_AT 0x29 /* AppleTalk Protocol */ |
DieterGraef | 0:d26c1b55cfca | 138 | #define PPP_VJC_COMP 0x2d /* VJ compressed TCP */ |
DieterGraef | 0:d26c1b55cfca | 139 | #define PPP_VJC_UNCOMP 0x2f /* VJ uncompressed TCP */ |
DieterGraef | 0:d26c1b55cfca | 140 | #define PPP_COMP 0xfd /* compressed packet */ |
DieterGraef | 0:d26c1b55cfca | 141 | #define PPP_IPCP 0x8021 /* IP Control Protocol */ |
DieterGraef | 0:d26c1b55cfca | 142 | #define PPP_ATCP 0x8029 /* AppleTalk Control Protocol */ |
DieterGraef | 0:d26c1b55cfca | 143 | #define PPP_CCP 0x80fd /* Compression Control Protocol */ |
DieterGraef | 0:d26c1b55cfca | 144 | #define PPP_LCP 0xc021 /* Link Control Protocol */ |
DieterGraef | 0:d26c1b55cfca | 145 | #define PPP_PAP 0xc023 /* Password Authentication Protocol */ |
DieterGraef | 0:d26c1b55cfca | 146 | #define PPP_LQR 0xc025 /* Link Quality Report protocol */ |
DieterGraef | 0:d26c1b55cfca | 147 | #define PPP_CHAP 0xc223 /* Cryptographic Handshake Auth. Protocol */ |
DieterGraef | 0:d26c1b55cfca | 148 | #define PPP_CBCP 0xc029 /* Callback Control Protocol */ |
DieterGraef | 0:d26c1b55cfca | 149 | |
DieterGraef | 0:d26c1b55cfca | 150 | /* |
DieterGraef | 0:d26c1b55cfca | 151 | * Values for FCS calculations. |
DieterGraef | 0:d26c1b55cfca | 152 | */ |
DieterGraef | 0:d26c1b55cfca | 153 | #define PPP_INITFCS 0xffff /* Initial FCS value */ |
DieterGraef | 0:d26c1b55cfca | 154 | #define PPP_GOODFCS 0xf0b8 /* Good final FCS value */ |
DieterGraef | 0:d26c1b55cfca | 155 | #define PPP_FCS(fcs, c) (((fcs) >> 8) ^ fcstab[((fcs) ^ (c)) & 0xff]) |
DieterGraef | 0:d26c1b55cfca | 156 | |
DieterGraef | 0:d26c1b55cfca | 157 | /* |
DieterGraef | 0:d26c1b55cfca | 158 | * Extended asyncmap - allows any character to be escaped. |
DieterGraef | 0:d26c1b55cfca | 159 | */ |
DieterGraef | 0:d26c1b55cfca | 160 | typedef u_char ext_accm[32]; |
DieterGraef | 0:d26c1b55cfca | 161 | |
DieterGraef | 0:d26c1b55cfca | 162 | /* |
DieterGraef | 0:d26c1b55cfca | 163 | * What to do with network protocol (NP) packets. |
DieterGraef | 0:d26c1b55cfca | 164 | */ |
DieterGraef | 0:d26c1b55cfca | 165 | enum NPmode { |
DieterGraef | 0:d26c1b55cfca | 166 | NPMODE_PASS, /* pass the packet through */ |
DieterGraef | 0:d26c1b55cfca | 167 | NPMODE_DROP, /* silently drop the packet */ |
DieterGraef | 0:d26c1b55cfca | 168 | NPMODE_ERROR, /* return an error */ |
DieterGraef | 0:d26c1b55cfca | 169 | NPMODE_QUEUE /* save it up for later. */ |
DieterGraef | 0:d26c1b55cfca | 170 | }; |
DieterGraef | 0:d26c1b55cfca | 171 | |
DieterGraef | 0:d26c1b55cfca | 172 | /* |
DieterGraef | 0:d26c1b55cfca | 173 | * Inline versions of get/put char/short/long. |
DieterGraef | 0:d26c1b55cfca | 174 | * Pointer is advanced; we assume that both arguments |
DieterGraef | 0:d26c1b55cfca | 175 | * are lvalues and will already be in registers. |
DieterGraef | 0:d26c1b55cfca | 176 | * cp MUST be u_char *. |
DieterGraef | 0:d26c1b55cfca | 177 | */ |
DieterGraef | 0:d26c1b55cfca | 178 | #define GETCHAR(c, cp) { \ |
DieterGraef | 0:d26c1b55cfca | 179 | (c) = *(cp)++; \ |
DieterGraef | 0:d26c1b55cfca | 180 | } |
DieterGraef | 0:d26c1b55cfca | 181 | #define PUTCHAR(c, cp) { \ |
DieterGraef | 0:d26c1b55cfca | 182 | *(cp)++ = (u_char) (c); \ |
DieterGraef | 0:d26c1b55cfca | 183 | } |
DieterGraef | 0:d26c1b55cfca | 184 | |
DieterGraef | 0:d26c1b55cfca | 185 | |
DieterGraef | 0:d26c1b55cfca | 186 | #define GETSHORT(s, cp) { \ |
DieterGraef | 0:d26c1b55cfca | 187 | (s) = *(cp); (cp)++; (s) <<= 8; \ |
DieterGraef | 0:d26c1b55cfca | 188 | (s) |= *(cp); (cp)++; \ |
DieterGraef | 0:d26c1b55cfca | 189 | } |
DieterGraef | 0:d26c1b55cfca | 190 | #define PUTSHORT(s, cp) { \ |
DieterGraef | 0:d26c1b55cfca | 191 | *(cp)++ = (u_char) ((s) >> 8); \ |
DieterGraef | 0:d26c1b55cfca | 192 | *(cp)++ = (u_char) (s & 0xff); \ |
DieterGraef | 0:d26c1b55cfca | 193 | } |
DieterGraef | 0:d26c1b55cfca | 194 | |
DieterGraef | 0:d26c1b55cfca | 195 | #define GETLONG(l, cp) { \ |
DieterGraef | 0:d26c1b55cfca | 196 | (l) = *(cp); (cp)++; (l) <<= 8; \ |
DieterGraef | 0:d26c1b55cfca | 197 | (l) |= *(cp); (cp)++; (l) <<= 8; \ |
DieterGraef | 0:d26c1b55cfca | 198 | (l) |= *(cp); (cp)++; (l) <<= 8; \ |
DieterGraef | 0:d26c1b55cfca | 199 | (l) |= *(cp); (cp)++; \ |
DieterGraef | 0:d26c1b55cfca | 200 | } |
DieterGraef | 0:d26c1b55cfca | 201 | #define PUTLONG(l, cp) { \ |
DieterGraef | 0:d26c1b55cfca | 202 | *(cp)++ = (u_char) ((l) >> 24); \ |
DieterGraef | 0:d26c1b55cfca | 203 | *(cp)++ = (u_char) ((l) >> 16); \ |
DieterGraef | 0:d26c1b55cfca | 204 | *(cp)++ = (u_char) ((l) >> 8); \ |
DieterGraef | 0:d26c1b55cfca | 205 | *(cp)++ = (u_char) (l); \ |
DieterGraef | 0:d26c1b55cfca | 206 | } |
DieterGraef | 0:d26c1b55cfca | 207 | |
DieterGraef | 0:d26c1b55cfca | 208 | |
DieterGraef | 0:d26c1b55cfca | 209 | #define INCPTR(n, cp) ((cp) += (n)) |
DieterGraef | 0:d26c1b55cfca | 210 | #define DECPTR(n, cp) ((cp) -= (n)) |
DieterGraef | 0:d26c1b55cfca | 211 | |
DieterGraef | 0:d26c1b55cfca | 212 | #define BCMP(s0, s1, l) memcmp((u_char *)(s0), (u_char *)(s1), (l)) |
DieterGraef | 0:d26c1b55cfca | 213 | #define BCOPY(s, d, l) MEMCPY((d), (s), (l)) |
DieterGraef | 0:d26c1b55cfca | 214 | #define BZERO(s, n) memset(s, 0, n) |
DieterGraef | 0:d26c1b55cfca | 215 | |
DieterGraef | 0:d26c1b55cfca | 216 | #if PPP_DEBUG |
DieterGraef | 0:d26c1b55cfca | 217 | #define PRINTMSG(m, l) { m[l] = '\0'; LWIP_DEBUGF(LOG_INFO, ("Remote message: %s\n", m)); } |
DieterGraef | 0:d26c1b55cfca | 218 | #else /* PPP_DEBUG */ |
DieterGraef | 0:d26c1b55cfca | 219 | #define PRINTMSG(m, l) |
DieterGraef | 0:d26c1b55cfca | 220 | #endif /* PPP_DEBUG */ |
DieterGraef | 0:d26c1b55cfca | 221 | |
DieterGraef | 0:d26c1b55cfca | 222 | /* |
DieterGraef | 0:d26c1b55cfca | 223 | * MAKEHEADER - Add PPP Header fields to a packet. |
DieterGraef | 0:d26c1b55cfca | 224 | */ |
DieterGraef | 0:d26c1b55cfca | 225 | #define MAKEHEADER(p, t) { \ |
DieterGraef | 0:d26c1b55cfca | 226 | PUTCHAR(PPP_ALLSTATIONS, p); \ |
DieterGraef | 0:d26c1b55cfca | 227 | PUTCHAR(PPP_UI, p); \ |
DieterGraef | 0:d26c1b55cfca | 228 | PUTSHORT(t, p); } |
DieterGraef | 0:d26c1b55cfca | 229 | |
DieterGraef | 0:d26c1b55cfca | 230 | /************************ |
DieterGraef | 0:d26c1b55cfca | 231 | *** PUBLIC DATA TYPES *** |
DieterGraef | 0:d26c1b55cfca | 232 | ************************/ |
DieterGraef | 0:d26c1b55cfca | 233 | |
DieterGraef | 0:d26c1b55cfca | 234 | /* |
DieterGraef | 0:d26c1b55cfca | 235 | * The following struct gives the addresses of procedures to call |
DieterGraef | 0:d26c1b55cfca | 236 | * for a particular protocol. |
DieterGraef | 0:d26c1b55cfca | 237 | */ |
DieterGraef | 0:d26c1b55cfca | 238 | struct protent { |
DieterGraef | 0:d26c1b55cfca | 239 | u_short protocol; /* PPP protocol number */ |
DieterGraef | 0:d26c1b55cfca | 240 | /* Initialization procedure */ |
DieterGraef | 0:d26c1b55cfca | 241 | void (*init) (int unit); |
DieterGraef | 0:d26c1b55cfca | 242 | /* Process a received packet */ |
DieterGraef | 0:d26c1b55cfca | 243 | void (*input) (int unit, u_char *pkt, int len); |
DieterGraef | 0:d26c1b55cfca | 244 | /* Process a received protocol-reject */ |
DieterGraef | 0:d26c1b55cfca | 245 | void (*protrej) (int unit); |
DieterGraef | 0:d26c1b55cfca | 246 | /* Lower layer has come up */ |
DieterGraef | 0:d26c1b55cfca | 247 | void (*lowerup) (int unit); |
DieterGraef | 0:d26c1b55cfca | 248 | /* Lower layer has gone down */ |
DieterGraef | 0:d26c1b55cfca | 249 | void (*lowerdown) (int unit); |
DieterGraef | 0:d26c1b55cfca | 250 | /* Open the protocol */ |
DieterGraef | 0:d26c1b55cfca | 251 | void (*open) (int unit); |
DieterGraef | 0:d26c1b55cfca | 252 | /* Close the protocol */ |
DieterGraef | 0:d26c1b55cfca | 253 | void (*close) (int unit, char *reason); |
DieterGraef | 0:d26c1b55cfca | 254 | #if PPP_ADDITIONAL_CALLBACKS |
DieterGraef | 0:d26c1b55cfca | 255 | /* Print a packet in readable form */ |
DieterGraef | 0:d26c1b55cfca | 256 | int (*printpkt) (u_char *pkt, int len, |
DieterGraef | 0:d26c1b55cfca | 257 | void (*printer) (void *, char *, ...), |
DieterGraef | 0:d26c1b55cfca | 258 | void *arg); |
DieterGraef | 0:d26c1b55cfca | 259 | /* Process a received data packet */ |
DieterGraef | 0:d26c1b55cfca | 260 | void (*datainput) (int unit, u_char *pkt, int len); |
DieterGraef | 0:d26c1b55cfca | 261 | #endif /* PPP_ADDITIONAL_CALLBACKS */ |
DieterGraef | 0:d26c1b55cfca | 262 | int enabled_flag; /* 0 if protocol is disabled */ |
DieterGraef | 0:d26c1b55cfca | 263 | char *name; /* Text name of protocol */ |
DieterGraef | 0:d26c1b55cfca | 264 | #if PPP_ADDITIONAL_CALLBACKS |
DieterGraef | 0:d26c1b55cfca | 265 | /* Check requested options, assign defaults */ |
DieterGraef | 0:d26c1b55cfca | 266 | void (*check_options) (u_long); |
DieterGraef | 0:d26c1b55cfca | 267 | /* Configure interface for demand-dial */ |
DieterGraef | 0:d26c1b55cfca | 268 | int (*demand_conf) (int unit); |
DieterGraef | 0:d26c1b55cfca | 269 | /* Say whether to bring up link for this pkt */ |
DieterGraef | 0:d26c1b55cfca | 270 | int (*active_pkt) (u_char *pkt, int len); |
DieterGraef | 0:d26c1b55cfca | 271 | #endif /* PPP_ADDITIONAL_CALLBACKS */ |
DieterGraef | 0:d26c1b55cfca | 272 | }; |
DieterGraef | 0:d26c1b55cfca | 273 | |
DieterGraef | 0:d26c1b55cfca | 274 | /* |
DieterGraef | 0:d26c1b55cfca | 275 | * The following structure records the time in seconds since |
DieterGraef | 0:d26c1b55cfca | 276 | * the last NP packet was sent or received. |
DieterGraef | 0:d26c1b55cfca | 277 | */ |
DieterGraef | 0:d26c1b55cfca | 278 | struct ppp_idle { |
DieterGraef | 0:d26c1b55cfca | 279 | u_short xmit_idle; /* seconds since last NP packet sent */ |
DieterGraef | 0:d26c1b55cfca | 280 | u_short recv_idle; /* seconds since last NP packet received */ |
DieterGraef | 0:d26c1b55cfca | 281 | }; |
DieterGraef | 0:d26c1b55cfca | 282 | |
DieterGraef | 0:d26c1b55cfca | 283 | struct ppp_settings { |
DieterGraef | 0:d26c1b55cfca | 284 | |
DieterGraef | 0:d26c1b55cfca | 285 | u_int disable_defaultip : 1; /* Don't use hostname for default IP addrs */ |
DieterGraef | 0:d26c1b55cfca | 286 | u_int auth_required : 1; /* Peer is required to authenticate */ |
DieterGraef | 0:d26c1b55cfca | 287 | u_int explicit_remote : 1; /* remote_name specified with remotename opt */ |
DieterGraef | 0:d26c1b55cfca | 288 | u_int refuse_pap : 1; /* Don't wanna auth. ourselves with PAP */ |
DieterGraef | 0:d26c1b55cfca | 289 | u_int refuse_chap : 1; /* Don't wanna auth. ourselves with CHAP */ |
DieterGraef | 0:d26c1b55cfca | 290 | u_int usehostname : 1; /* Use hostname for our_name */ |
DieterGraef | 0:d26c1b55cfca | 291 | u_int usepeerdns : 1; /* Ask peer for DNS adds */ |
DieterGraef | 0:d26c1b55cfca | 292 | |
DieterGraef | 0:d26c1b55cfca | 293 | u_short idle_time_limit; /* Shut down link if idle for this long */ |
DieterGraef | 0:d26c1b55cfca | 294 | int maxconnect; /* Maximum connect time (seconds) */ |
DieterGraef | 0:d26c1b55cfca | 295 | |
DieterGraef | 0:d26c1b55cfca | 296 | char user [MAXNAMELEN + 1]; /* Username for PAP */ |
DieterGraef | 0:d26c1b55cfca | 297 | char passwd [MAXSECRETLEN + 1]; /* Password for PAP, secret for CHAP */ |
DieterGraef | 0:d26c1b55cfca | 298 | char our_name [MAXNAMELEN + 1]; /* Our name for authentication purposes */ |
DieterGraef | 0:d26c1b55cfca | 299 | char remote_name[MAXNAMELEN + 1]; /* Peer's name for authentication */ |
DieterGraef | 0:d26c1b55cfca | 300 | }; |
DieterGraef | 0:d26c1b55cfca | 301 | |
DieterGraef | 0:d26c1b55cfca | 302 | /***************************** |
DieterGraef | 0:d26c1b55cfca | 303 | *** PUBLIC DATA STRUCTURES *** |
DieterGraef | 0:d26c1b55cfca | 304 | *****************************/ |
DieterGraef | 0:d26c1b55cfca | 305 | |
DieterGraef | 0:d26c1b55cfca | 306 | /* Buffers for outgoing packets. */ |
DieterGraef | 0:d26c1b55cfca | 307 | extern u_char outpacket_buf[NUM_PPP][PPP_MRU+PPP_HDRLEN]; |
DieterGraef | 0:d26c1b55cfca | 308 | |
DieterGraef | 0:d26c1b55cfca | 309 | extern struct ppp_settings ppp_settings; |
DieterGraef | 0:d26c1b55cfca | 310 | |
DieterGraef | 0:d26c1b55cfca | 311 | extern struct protent *ppp_protocols[]; /* Table of pointers to supported protocols */ |
DieterGraef | 0:d26c1b55cfca | 312 | |
DieterGraef | 0:d26c1b55cfca | 313 | |
DieterGraef | 0:d26c1b55cfca | 314 | /*********************** |
DieterGraef | 0:d26c1b55cfca | 315 | *** PUBLIC FUNCTIONS *** |
DieterGraef | 0:d26c1b55cfca | 316 | ***********************/ |
DieterGraef | 0:d26c1b55cfca | 317 | |
DieterGraef | 0:d26c1b55cfca | 318 | /* |
DieterGraef | 0:d26c1b55cfca | 319 | * Write n characters to a ppp link. |
DieterGraef | 0:d26c1b55cfca | 320 | * RETURN: >= 0 Number of characters written, -1 Failed to write to device. |
DieterGraef | 0:d26c1b55cfca | 321 | */ |
DieterGraef | 0:d26c1b55cfca | 322 | int pppWrite(int pd, const u_char *s, int n); |
DieterGraef | 0:d26c1b55cfca | 323 | |
DieterGraef | 0:d26c1b55cfca | 324 | void pppInProcOverEthernet(int pd, struct pbuf *pb); |
DieterGraef | 0:d26c1b55cfca | 325 | |
DieterGraef | 0:d26c1b55cfca | 326 | struct pbuf *pppSingleBuf(struct pbuf *p); |
DieterGraef | 0:d26c1b55cfca | 327 | |
DieterGraef | 0:d26c1b55cfca | 328 | void pppLinkTerminated(int pd); |
DieterGraef | 0:d26c1b55cfca | 329 | |
DieterGraef | 0:d26c1b55cfca | 330 | void pppLinkDown(int pd); |
DieterGraef | 0:d26c1b55cfca | 331 | |
DieterGraef | 0:d26c1b55cfca | 332 | /* Configure i/f transmit parameters */ |
DieterGraef | 0:d26c1b55cfca | 333 | void ppp_send_config (int, u16_t, u32_t, int, int); |
DieterGraef | 0:d26c1b55cfca | 334 | /* Set extended transmit ACCM */ |
DieterGraef | 0:d26c1b55cfca | 335 | void ppp_set_xaccm (int, ext_accm *); |
DieterGraef | 0:d26c1b55cfca | 336 | /* Configure i/f receive parameters */ |
DieterGraef | 0:d26c1b55cfca | 337 | void ppp_recv_config (int, int, u32_t, int, int); |
DieterGraef | 0:d26c1b55cfca | 338 | /* Find out how long link has been idle */ |
DieterGraef | 0:d26c1b55cfca | 339 | int get_idle_time (int, struct ppp_idle *); |
DieterGraef | 0:d26c1b55cfca | 340 | |
DieterGraef | 0:d26c1b55cfca | 341 | /* Configure VJ TCP header compression */ |
DieterGraef | 0:d26c1b55cfca | 342 | int sifvjcomp (int, int, u8_t, u8_t); |
DieterGraef | 0:d26c1b55cfca | 343 | /* Configure i/f down (for IP) */ |
DieterGraef | 0:d26c1b55cfca | 344 | int sifup (int); |
DieterGraef | 0:d26c1b55cfca | 345 | /* Set mode for handling packets for proto */ |
DieterGraef | 0:d26c1b55cfca | 346 | int sifnpmode (int u, int proto, enum NPmode mode); |
DieterGraef | 0:d26c1b55cfca | 347 | /* Configure i/f down (for IP) */ |
DieterGraef | 0:d26c1b55cfca | 348 | int sifdown (int); |
DieterGraef | 0:d26c1b55cfca | 349 | /* Configure IP addresses for i/f */ |
DieterGraef | 0:d26c1b55cfca | 350 | int sifaddr (int, u32_t, u32_t, u32_t, u32_t, u32_t); |
DieterGraef | 0:d26c1b55cfca | 351 | /* Reset i/f IP addresses */ |
DieterGraef | 0:d26c1b55cfca | 352 | int cifaddr (int, u32_t, u32_t); |
DieterGraef | 0:d26c1b55cfca | 353 | /* Create default route through i/f */ |
DieterGraef | 0:d26c1b55cfca | 354 | int sifdefaultroute (int, u32_t, u32_t); |
DieterGraef | 0:d26c1b55cfca | 355 | /* Delete default route through i/f */ |
DieterGraef | 0:d26c1b55cfca | 356 | int cifdefaultroute (int, u32_t, u32_t); |
DieterGraef | 0:d26c1b55cfca | 357 | |
DieterGraef | 0:d26c1b55cfca | 358 | /* Get appropriate netmask for address */ |
DieterGraef | 0:d26c1b55cfca | 359 | u32_t GetMask (u32_t); |
DieterGraef | 0:d26c1b55cfca | 360 | |
DieterGraef | 0:d26c1b55cfca | 361 | #endif /* PPP_SUPPORT */ |
DieterGraef | 0:d26c1b55cfca | 362 | |
DieterGraef | 0:d26c1b55cfca | 363 | #endif /* PPP_IMPL_H */ |