wip
Dependents: EthernetInterface_vz
Fork of lwip by
netif/ppp/ppp.c@30:cb9095482c25, 2015-04-07 (annotated)
- Committer:
- klauss
- Date:
- Tue Apr 07 14:27:01 2015 +0000
- Revision:
- 30:cb9095482c25
- Parent:
- 4:f71f5d9d5846
wip
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 0:51ac1d130fd4 | 1 | /***************************************************************************** |
mbed_official | 0:51ac1d130fd4 | 2 | * ppp.c - Network Point to Point Protocol program file. |
mbed_official | 0:51ac1d130fd4 | 3 | * |
mbed_official | 0:51ac1d130fd4 | 4 | * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc. |
mbed_official | 0:51ac1d130fd4 | 5 | * portions Copyright (c) 1997 by Global Election Systems Inc. |
mbed_official | 0:51ac1d130fd4 | 6 | * |
mbed_official | 0:51ac1d130fd4 | 7 | * The authors hereby grant permission to use, copy, modify, distribute, |
mbed_official | 0:51ac1d130fd4 | 8 | * and license this software and its documentation for any purpose, provided |
mbed_official | 0:51ac1d130fd4 | 9 | * that existing copyright notices are retained in all copies and that this |
mbed_official | 0:51ac1d130fd4 | 10 | * notice and the following disclaimer are included verbatim in any |
mbed_official | 0:51ac1d130fd4 | 11 | * distributions. No written agreement, license, or royalty fee is required |
mbed_official | 0:51ac1d130fd4 | 12 | * for any of the authorized uses. |
mbed_official | 0:51ac1d130fd4 | 13 | * |
mbed_official | 0:51ac1d130fd4 | 14 | * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR |
mbed_official | 0:51ac1d130fd4 | 15 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
mbed_official | 0:51ac1d130fd4 | 16 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
mbed_official | 0:51ac1d130fd4 | 17 | * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
mbed_official | 0:51ac1d130fd4 | 18 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
mbed_official | 0:51ac1d130fd4 | 19 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
mbed_official | 0:51ac1d130fd4 | 20 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
mbed_official | 0:51ac1d130fd4 | 21 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
mbed_official | 0:51ac1d130fd4 | 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
mbed_official | 0:51ac1d130fd4 | 23 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 0:51ac1d130fd4 | 24 | * |
mbed_official | 0:51ac1d130fd4 | 25 | ****************************************************************************** |
mbed_official | 0:51ac1d130fd4 | 26 | * REVISION HISTORY |
mbed_official | 0:51ac1d130fd4 | 27 | * |
mbed_official | 0:51ac1d130fd4 | 28 | * 03-01-01 Marc Boucher <marc@mbsi.ca> |
mbed_official | 0:51ac1d130fd4 | 29 | * Ported to lwIP. |
mbed_official | 0:51ac1d130fd4 | 30 | * 97-11-05 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc. |
mbed_official | 0:51ac1d130fd4 | 31 | * Original. |
mbed_official | 0:51ac1d130fd4 | 32 | *****************************************************************************/ |
mbed_official | 0:51ac1d130fd4 | 33 | |
mbed_official | 0:51ac1d130fd4 | 34 | /* |
mbed_official | 0:51ac1d130fd4 | 35 | * ppp_defs.h - PPP definitions. |
mbed_official | 0:51ac1d130fd4 | 36 | * |
mbed_official | 0:51ac1d130fd4 | 37 | * if_pppvar.h - private structures and declarations for PPP. |
mbed_official | 0:51ac1d130fd4 | 38 | * |
mbed_official | 0:51ac1d130fd4 | 39 | * Copyright (c) 1994 The Australian National University. |
mbed_official | 0:51ac1d130fd4 | 40 | * All rights reserved. |
mbed_official | 0:51ac1d130fd4 | 41 | * |
mbed_official | 0:51ac1d130fd4 | 42 | * Permission to use, copy, modify, and distribute this software and its |
mbed_official | 0:51ac1d130fd4 | 43 | * documentation is hereby granted, provided that the above copyright |
mbed_official | 0:51ac1d130fd4 | 44 | * notice appears in all copies. This software is provided without any |
mbed_official | 0:51ac1d130fd4 | 45 | * warranty, express or implied. The Australian National University |
mbed_official | 0:51ac1d130fd4 | 46 | * makes no representations about the suitability of this software for |
mbed_official | 0:51ac1d130fd4 | 47 | * any purpose. |
mbed_official | 0:51ac1d130fd4 | 48 | * |
mbed_official | 0:51ac1d130fd4 | 49 | * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY |
mbed_official | 0:51ac1d130fd4 | 50 | * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
mbed_official | 0:51ac1d130fd4 | 51 | * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF |
mbed_official | 0:51ac1d130fd4 | 52 | * THE AUSTRALIAN NATIONAL UNIVERSITY HAVE BEEN ADVISED OF THE POSSIBILITY |
mbed_official | 0:51ac1d130fd4 | 53 | * OF SUCH DAMAGE. |
mbed_official | 0:51ac1d130fd4 | 54 | * |
mbed_official | 0:51ac1d130fd4 | 55 | * THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES, |
mbed_official | 0:51ac1d130fd4 | 56 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY |
mbed_official | 0:51ac1d130fd4 | 57 | * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
mbed_official | 0:51ac1d130fd4 | 58 | * ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO |
mbed_official | 0:51ac1d130fd4 | 59 | * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, |
mbed_official | 0:51ac1d130fd4 | 60 | * OR MODIFICATIONS. |
mbed_official | 0:51ac1d130fd4 | 61 | */ |
mbed_official | 0:51ac1d130fd4 | 62 | |
mbed_official | 0:51ac1d130fd4 | 63 | /* |
mbed_official | 0:51ac1d130fd4 | 64 | * if_ppp.h - Point-to-Point Protocol definitions. |
mbed_official | 0:51ac1d130fd4 | 65 | * |
mbed_official | 0:51ac1d130fd4 | 66 | * Copyright (c) 1989 Carnegie Mellon University. |
mbed_official | 0:51ac1d130fd4 | 67 | * All rights reserved. |
mbed_official | 0:51ac1d130fd4 | 68 | * |
mbed_official | 0:51ac1d130fd4 | 69 | * Redistribution and use in source and binary forms are permitted |
mbed_official | 0:51ac1d130fd4 | 70 | * provided that the above copyright notice and this paragraph are |
mbed_official | 0:51ac1d130fd4 | 71 | * duplicated in all such forms and that any documentation, |
mbed_official | 0:51ac1d130fd4 | 72 | * advertising materials, and other materials related to such |
mbed_official | 0:51ac1d130fd4 | 73 | * distribution and use acknowledge that the software was developed |
mbed_official | 0:51ac1d130fd4 | 74 | * by Carnegie Mellon University. The name of the |
mbed_official | 0:51ac1d130fd4 | 75 | * University may not be used to endorse or promote products derived |
mbed_official | 0:51ac1d130fd4 | 76 | * from this software without specific prior written permission. |
mbed_official | 0:51ac1d130fd4 | 77 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR |
mbed_official | 0:51ac1d130fd4 | 78 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED |
mbed_official | 0:51ac1d130fd4 | 79 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
mbed_official | 0:51ac1d130fd4 | 80 | */ |
mbed_official | 0:51ac1d130fd4 | 81 | |
mbed_official | 0:51ac1d130fd4 | 82 | #include "lwip/opt.h" |
mbed_official | 0:51ac1d130fd4 | 83 | |
mbed_official | 0:51ac1d130fd4 | 84 | #if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */ |
mbed_official | 0:51ac1d130fd4 | 85 | |
mbed_official | 0:51ac1d130fd4 | 86 | #include "lwip/ip.h" /* for ip_input() */ |
mbed_official | 0:51ac1d130fd4 | 87 | |
mbed_official | 0:51ac1d130fd4 | 88 | #include "ppp.h" |
mbed_official | 0:51ac1d130fd4 | 89 | #include "pppdebug.h" |
mbed_official | 0:51ac1d130fd4 | 90 | |
mbed_official | 0:51ac1d130fd4 | 91 | #include "randm.h" |
mbed_official | 0:51ac1d130fd4 | 92 | #include "fsm.h" |
mbed_official | 0:51ac1d130fd4 | 93 | #if PAP_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 94 | #include "pap.h" |
mbed_official | 0:51ac1d130fd4 | 95 | #endif /* PAP_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 96 | #if CHAP_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 97 | #include "chap.h" |
mbed_official | 0:51ac1d130fd4 | 98 | #endif /* CHAP_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 99 | #include "ipcp.h" |
mbed_official | 0:51ac1d130fd4 | 100 | #include "lcp.h" |
mbed_official | 0:51ac1d130fd4 | 101 | #include "magic.h" |
mbed_official | 0:51ac1d130fd4 | 102 | #include "auth.h" |
mbed_official | 0:51ac1d130fd4 | 103 | #if VJ_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 104 | #include "vj.h" |
mbed_official | 0:51ac1d130fd4 | 105 | #endif /* VJ_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 106 | #if PPPOE_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 107 | #include "netif/ppp_oe.h" |
mbed_official | 0:51ac1d130fd4 | 108 | #endif /* PPPOE_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 109 | |
mbed_official | 0:51ac1d130fd4 | 110 | #include "lwip/tcpip.h" |
mbed_official | 0:51ac1d130fd4 | 111 | #include "lwip/api.h" |
mbed_official | 0:51ac1d130fd4 | 112 | #include "lwip/snmp.h" |
mbed_official | 0:51ac1d130fd4 | 113 | |
mbed_official | 0:51ac1d130fd4 | 114 | #include <string.h> |
mbed_official | 0:51ac1d130fd4 | 115 | |
mbed_official | 0:51ac1d130fd4 | 116 | /*************************/ |
mbed_official | 0:51ac1d130fd4 | 117 | /*** LOCAL DEFINITIONS ***/ |
mbed_official | 0:51ac1d130fd4 | 118 | /*************************/ |
mbed_official | 0:51ac1d130fd4 | 119 | |
mbed_official | 0:51ac1d130fd4 | 120 | /** PPP_INPROC_MULTITHREADED==1 call pppInput using tcpip_callback(). |
mbed_official | 0:51ac1d130fd4 | 121 | * Set this to 0 if pppInProc is called inside tcpip_thread or with NO_SYS==1. |
mbed_official | 0:51ac1d130fd4 | 122 | * Default is 1 for NO_SYS==0 (multithreaded) and 0 for NO_SYS==1 (single-threaded). |
mbed_official | 0:51ac1d130fd4 | 123 | */ |
mbed_official | 0:51ac1d130fd4 | 124 | #ifndef PPP_INPROC_MULTITHREADED |
mbed_official | 0:51ac1d130fd4 | 125 | #define PPP_INPROC_MULTITHREADED (NO_SYS==0) |
mbed_official | 0:51ac1d130fd4 | 126 | #endif |
mbed_official | 0:51ac1d130fd4 | 127 | |
mbed_official | 0:51ac1d130fd4 | 128 | /** PPP_INPROC_OWNTHREAD==1: start a dedicated RX thread per PPP session. |
mbed_official | 0:51ac1d130fd4 | 129 | * Default is 0: call pppos_input() for received raw characters, charcater |
mbed_official | 0:51ac1d130fd4 | 130 | * reception is up to the port */ |
mbed_official | 0:51ac1d130fd4 | 131 | #ifndef PPP_INPROC_OWNTHREAD |
mbed_official | 0:51ac1d130fd4 | 132 | #define PPP_INPROC_OWNTHREAD PPP_INPROC_MULTITHREADED |
mbed_official | 0:51ac1d130fd4 | 133 | #endif |
mbed_official | 0:51ac1d130fd4 | 134 | |
mbed_official | 0:51ac1d130fd4 | 135 | #if PPP_INPROC_OWNTHREAD && !PPP_INPROC_MULTITHREADED |
mbed_official | 0:51ac1d130fd4 | 136 | #error "PPP_INPROC_OWNTHREAD needs PPP_INPROC_MULTITHREADED==1" |
mbed_official | 0:51ac1d130fd4 | 137 | #endif |
mbed_official | 0:51ac1d130fd4 | 138 | |
mbed_official | 0:51ac1d130fd4 | 139 | /* |
mbed_official | 0:51ac1d130fd4 | 140 | * The basic PPP frame. |
mbed_official | 0:51ac1d130fd4 | 141 | */ |
mbed_official | 0:51ac1d130fd4 | 142 | #define PPP_ADDRESS(p) (((u_char *)(p))[0]) |
mbed_official | 0:51ac1d130fd4 | 143 | #define PPP_CONTROL(p) (((u_char *)(p))[1]) |
mbed_official | 0:51ac1d130fd4 | 144 | #define PPP_PROTOCOL(p) ((((u_char *)(p))[2] << 8) + ((u_char *)(p))[3]) |
mbed_official | 0:51ac1d130fd4 | 145 | |
mbed_official | 0:51ac1d130fd4 | 146 | /* PPP packet parser states. Current state indicates operation yet to be |
mbed_official | 0:51ac1d130fd4 | 147 | * completed. */ |
mbed_official | 0:51ac1d130fd4 | 148 | typedef enum { |
mbed_official | 0:51ac1d130fd4 | 149 | PDIDLE = 0, /* Idle state - waiting. */ |
mbed_official | 0:51ac1d130fd4 | 150 | PDSTART, /* Process start flag. */ |
mbed_official | 0:51ac1d130fd4 | 151 | PDADDRESS, /* Process address field. */ |
mbed_official | 0:51ac1d130fd4 | 152 | PDCONTROL, /* Process control field. */ |
mbed_official | 0:51ac1d130fd4 | 153 | PDPROTOCOL1, /* Process protocol field 1. */ |
mbed_official | 0:51ac1d130fd4 | 154 | PDPROTOCOL2, /* Process protocol field 2. */ |
mbed_official | 0:51ac1d130fd4 | 155 | PDDATA /* Process data byte. */ |
mbed_official | 0:51ac1d130fd4 | 156 | } PPPDevStates; |
mbed_official | 0:51ac1d130fd4 | 157 | |
mbed_official | 0:51ac1d130fd4 | 158 | #define ESCAPE_P(accm, c) ((accm)[(c) >> 3] & pppACCMMask[c & 0x07]) |
mbed_official | 0:51ac1d130fd4 | 159 | |
mbed_official | 0:51ac1d130fd4 | 160 | /************************/ |
mbed_official | 0:51ac1d130fd4 | 161 | /*** LOCAL DATA TYPES ***/ |
mbed_official | 0:51ac1d130fd4 | 162 | /************************/ |
mbed_official | 0:51ac1d130fd4 | 163 | |
mbed_official | 0:51ac1d130fd4 | 164 | /** RX buffer size: this may be configured smaller! */ |
mbed_official | 0:51ac1d130fd4 | 165 | #ifndef PPPOS_RX_BUFSIZE |
mbed_official | 0:51ac1d130fd4 | 166 | #define PPPOS_RX_BUFSIZE (PPP_MRU + PPP_HDRLEN) |
mbed_official | 0:51ac1d130fd4 | 167 | #endif |
mbed_official | 0:51ac1d130fd4 | 168 | |
mbed_official | 0:51ac1d130fd4 | 169 | typedef struct PPPControlRx_s { |
mbed_official | 0:51ac1d130fd4 | 170 | /** unit number / ppp descriptor */ |
mbed_official | 0:51ac1d130fd4 | 171 | int pd; |
mbed_official | 0:51ac1d130fd4 | 172 | /** the rx file descriptor */ |
mbed_official | 0:51ac1d130fd4 | 173 | sio_fd_t fd; |
mbed_official | 0:51ac1d130fd4 | 174 | /** receive buffer - encoded data is stored here */ |
mbed_official | 0:51ac1d130fd4 | 175 | u_char rxbuf[PPPOS_RX_BUFSIZE]; |
mbed_official | 0:51ac1d130fd4 | 176 | |
mbed_official | 0:51ac1d130fd4 | 177 | /* The input packet. */ |
mbed_official | 0:51ac1d130fd4 | 178 | struct pbuf *inHead, *inTail; |
mbed_official | 0:51ac1d130fd4 | 179 | |
mbed_official | 0:51ac1d130fd4 | 180 | #if PPPOS_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 181 | u16_t inProtocol; /* The input protocol code. */ |
mbed_official | 0:51ac1d130fd4 | 182 | u16_t inFCS; /* Input Frame Check Sequence value. */ |
mbed_official | 0:51ac1d130fd4 | 183 | #endif /* PPPOS_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 184 | PPPDevStates inState; /* The input process state. */ |
mbed_official | 0:51ac1d130fd4 | 185 | char inEscaped; /* Escape next character. */ |
mbed_official | 0:51ac1d130fd4 | 186 | ext_accm inACCM; /* Async-Ctl-Char-Map for input. */ |
mbed_official | 0:51ac1d130fd4 | 187 | } PPPControlRx; |
mbed_official | 0:51ac1d130fd4 | 188 | |
mbed_official | 0:51ac1d130fd4 | 189 | /* |
mbed_official | 0:51ac1d130fd4 | 190 | * PPP interface control block. |
mbed_official | 0:51ac1d130fd4 | 191 | */ |
mbed_official | 0:51ac1d130fd4 | 192 | typedef struct PPPControl_s { |
mbed_official | 0:51ac1d130fd4 | 193 | PPPControlRx rx; |
mbed_official | 0:51ac1d130fd4 | 194 | char openFlag; /* True when in use. */ |
mbed_official | 0:51ac1d130fd4 | 195 | #if PPPOE_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 196 | struct netif *ethif; |
mbed_official | 0:51ac1d130fd4 | 197 | struct pppoe_softc *pppoe_sc; |
mbed_official | 0:51ac1d130fd4 | 198 | #endif /* PPPOE_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 199 | int if_up; /* True when the interface is up. */ |
mbed_official | 0:51ac1d130fd4 | 200 | int errCode; /* Code indicating why interface is down. */ |
mbed_official | 0:51ac1d130fd4 | 201 | #if PPPOS_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 202 | sio_fd_t fd; /* File device ID of port. */ |
mbed_official | 0:51ac1d130fd4 | 203 | #endif /* PPPOS_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 204 | u16_t mtu; /* Peer's mru */ |
mbed_official | 0:51ac1d130fd4 | 205 | int pcomp; /* Does peer accept protocol compression? */ |
mbed_official | 0:51ac1d130fd4 | 206 | int accomp; /* Does peer accept addr/ctl compression? */ |
mbed_official | 0:51ac1d130fd4 | 207 | u_long lastXMit; /* Time of last transmission. */ |
mbed_official | 0:51ac1d130fd4 | 208 | ext_accm outACCM; /* Async-Ctl-Char-Map for output. */ |
mbed_official | 0:51ac1d130fd4 | 209 | #if PPPOS_SUPPORT && VJ_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 210 | int vjEnabled; /* Flag indicating VJ compression enabled. */ |
mbed_official | 0:51ac1d130fd4 | 211 | struct vjcompress vjComp; /* Van Jacobson compression header. */ |
mbed_official | 0:51ac1d130fd4 | 212 | #endif /* PPPOS_SUPPORT && VJ_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 213 | |
mbed_official | 0:51ac1d130fd4 | 214 | struct netif netif; |
mbed_official | 0:51ac1d130fd4 | 215 | |
mbed_official | 0:51ac1d130fd4 | 216 | struct ppp_addrs addrs; |
mbed_official | 0:51ac1d130fd4 | 217 | |
mbed_official | 0:51ac1d130fd4 | 218 | void (*linkStatusCB)(void *ctx, int errCode, void *arg); |
mbed_official | 0:51ac1d130fd4 | 219 | void *linkStatusCtx; |
mbed_official | 0:51ac1d130fd4 | 220 | |
mbed_official | 0:51ac1d130fd4 | 221 | } PPPControl; |
mbed_official | 0:51ac1d130fd4 | 222 | |
mbed_official | 0:51ac1d130fd4 | 223 | |
mbed_official | 0:51ac1d130fd4 | 224 | /* |
mbed_official | 0:51ac1d130fd4 | 225 | * Ioctl definitions. |
mbed_official | 0:51ac1d130fd4 | 226 | */ |
mbed_official | 0:51ac1d130fd4 | 227 | |
mbed_official | 0:51ac1d130fd4 | 228 | struct npioctl { |
mbed_official | 0:51ac1d130fd4 | 229 | int protocol; /* PPP procotol, e.g. PPP_IP */ |
mbed_official | 0:51ac1d130fd4 | 230 | enum NPmode mode; |
mbed_official | 0:51ac1d130fd4 | 231 | }; |
mbed_official | 0:51ac1d130fd4 | 232 | |
mbed_official | 0:51ac1d130fd4 | 233 | |
mbed_official | 0:51ac1d130fd4 | 234 | |
mbed_official | 0:51ac1d130fd4 | 235 | /***********************************/ |
mbed_official | 0:51ac1d130fd4 | 236 | /*** LOCAL FUNCTION DECLARATIONS ***/ |
mbed_official | 0:51ac1d130fd4 | 237 | /***********************************/ |
mbed_official | 0:51ac1d130fd4 | 238 | #if PPPOS_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 239 | #if PPP_INPROC_OWNTHREAD |
mbed_official | 0:51ac1d130fd4 | 240 | static void pppInputThread(void *arg); |
mbed_official | 0:51ac1d130fd4 | 241 | #endif /* PPP_INPROC_OWNTHREAD */ |
mbed_official | 0:51ac1d130fd4 | 242 | static void pppDrop(PPPControlRx *pcrx); |
mbed_official | 0:51ac1d130fd4 | 243 | static void pppInProc(PPPControlRx *pcrx, u_char *s, int l); |
mbed_official | 0:51ac1d130fd4 | 244 | #endif /* PPPOS_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 245 | |
mbed_official | 0:51ac1d130fd4 | 246 | |
mbed_official | 0:51ac1d130fd4 | 247 | /******************************/ |
mbed_official | 0:51ac1d130fd4 | 248 | /*** PUBLIC DATA STRUCTURES ***/ |
mbed_official | 0:51ac1d130fd4 | 249 | /******************************/ |
mbed_official | 0:51ac1d130fd4 | 250 | u_long subnetMask; |
mbed_official | 0:51ac1d130fd4 | 251 | |
donatien | 4:f71f5d9d5846 | 252 | static PPPControl pppControl[NUM_PPP] __attribute((section("AHBSRAM1"))); /* The PPP interface control blocks. */ |
donatien | 4:f71f5d9d5846 | 253 | |
donatien | 4:f71f5d9d5846 | 254 | sys_mbox_t pppMbox; //Used to signal PPP thread that a PPP session begins |
mbed_official | 0:51ac1d130fd4 | 255 | |
mbed_official | 0:51ac1d130fd4 | 256 | /* |
mbed_official | 0:51ac1d130fd4 | 257 | * PPP Data Link Layer "protocol" table. |
mbed_official | 0:51ac1d130fd4 | 258 | * One entry per supported protocol. |
mbed_official | 0:51ac1d130fd4 | 259 | * The last entry must be NULL. |
mbed_official | 0:51ac1d130fd4 | 260 | */ |
mbed_official | 0:51ac1d130fd4 | 261 | struct protent *ppp_protocols[] = { |
mbed_official | 0:51ac1d130fd4 | 262 | &lcp_protent, |
mbed_official | 0:51ac1d130fd4 | 263 | #if PAP_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 264 | &pap_protent, |
mbed_official | 0:51ac1d130fd4 | 265 | #endif /* PAP_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 266 | #if CHAP_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 267 | &chap_protent, |
mbed_official | 0:51ac1d130fd4 | 268 | #endif /* CHAP_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 269 | #if CBCP_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 270 | &cbcp_protent, |
mbed_official | 0:51ac1d130fd4 | 271 | #endif /* CBCP_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 272 | &ipcp_protent, |
mbed_official | 0:51ac1d130fd4 | 273 | #if CCP_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 274 | &ccp_protent, |
mbed_official | 0:51ac1d130fd4 | 275 | #endif /* CCP_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 276 | NULL |
mbed_official | 0:51ac1d130fd4 | 277 | }; |
mbed_official | 0:51ac1d130fd4 | 278 | |
mbed_official | 0:51ac1d130fd4 | 279 | |
mbed_official | 0:51ac1d130fd4 | 280 | /* |
mbed_official | 0:51ac1d130fd4 | 281 | * Buffers for outgoing packets. This must be accessed only from the appropriate |
mbed_official | 0:51ac1d130fd4 | 282 | * PPP task so that it doesn't need to be protected to avoid collisions. |
mbed_official | 0:51ac1d130fd4 | 283 | */ |
donatien | 4:f71f5d9d5846 | 284 | u_char outpacket_buf[NUM_PPP][PPP_MRU+PPP_HDRLEN] __attribute((section("AHBSRAM1"))); |
mbed_official | 0:51ac1d130fd4 | 285 | |
mbed_official | 0:51ac1d130fd4 | 286 | |
mbed_official | 0:51ac1d130fd4 | 287 | /*****************************/ |
mbed_official | 0:51ac1d130fd4 | 288 | /*** LOCAL DATA STRUCTURES ***/ |
mbed_official | 0:51ac1d130fd4 | 289 | /*****************************/ |
mbed_official | 0:51ac1d130fd4 | 290 | |
mbed_official | 0:51ac1d130fd4 | 291 | #if PPPOS_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 292 | /* |
mbed_official | 0:51ac1d130fd4 | 293 | * FCS lookup table as calculated by genfcstab. |
mbed_official | 0:51ac1d130fd4 | 294 | * @todo: smaller, slower implementation for lower memory footprint? |
mbed_official | 0:51ac1d130fd4 | 295 | */ |
mbed_official | 0:51ac1d130fd4 | 296 | static const u_short fcstab[256] = { |
mbed_official | 0:51ac1d130fd4 | 297 | 0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf, |
mbed_official | 0:51ac1d130fd4 | 298 | 0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7, |
mbed_official | 0:51ac1d130fd4 | 299 | 0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e, |
mbed_official | 0:51ac1d130fd4 | 300 | 0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876, |
mbed_official | 0:51ac1d130fd4 | 301 | 0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd, |
mbed_official | 0:51ac1d130fd4 | 302 | 0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5, |
mbed_official | 0:51ac1d130fd4 | 303 | 0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c, |
mbed_official | 0:51ac1d130fd4 | 304 | 0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974, |
mbed_official | 0:51ac1d130fd4 | 305 | 0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb, |
mbed_official | 0:51ac1d130fd4 | 306 | 0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3, |
mbed_official | 0:51ac1d130fd4 | 307 | 0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a, |
mbed_official | 0:51ac1d130fd4 | 308 | 0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72, |
mbed_official | 0:51ac1d130fd4 | 309 | 0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9, |
mbed_official | 0:51ac1d130fd4 | 310 | 0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1, |
mbed_official | 0:51ac1d130fd4 | 311 | 0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738, |
mbed_official | 0:51ac1d130fd4 | 312 | 0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70, |
mbed_official | 0:51ac1d130fd4 | 313 | 0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7, |
mbed_official | 0:51ac1d130fd4 | 314 | 0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff, |
mbed_official | 0:51ac1d130fd4 | 315 | 0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036, |
mbed_official | 0:51ac1d130fd4 | 316 | 0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e, |
mbed_official | 0:51ac1d130fd4 | 317 | 0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5, |
mbed_official | 0:51ac1d130fd4 | 318 | 0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd, |
mbed_official | 0:51ac1d130fd4 | 319 | 0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134, |
mbed_official | 0:51ac1d130fd4 | 320 | 0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c, |
mbed_official | 0:51ac1d130fd4 | 321 | 0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3, |
mbed_official | 0:51ac1d130fd4 | 322 | 0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb, |
mbed_official | 0:51ac1d130fd4 | 323 | 0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232, |
mbed_official | 0:51ac1d130fd4 | 324 | 0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a, |
mbed_official | 0:51ac1d130fd4 | 325 | 0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1, |
mbed_official | 0:51ac1d130fd4 | 326 | 0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9, |
mbed_official | 0:51ac1d130fd4 | 327 | 0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330, |
mbed_official | 0:51ac1d130fd4 | 328 | 0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78 |
mbed_official | 0:51ac1d130fd4 | 329 | }; |
mbed_official | 0:51ac1d130fd4 | 330 | |
mbed_official | 0:51ac1d130fd4 | 331 | /* PPP's Asynchronous-Control-Character-Map. The mask array is used |
mbed_official | 0:51ac1d130fd4 | 332 | * to select the specific bit for a character. */ |
mbed_official | 0:51ac1d130fd4 | 333 | static u_char pppACCMMask[] = { |
mbed_official | 0:51ac1d130fd4 | 334 | 0x01, |
mbed_official | 0:51ac1d130fd4 | 335 | 0x02, |
mbed_official | 0:51ac1d130fd4 | 336 | 0x04, |
mbed_official | 0:51ac1d130fd4 | 337 | 0x08, |
mbed_official | 0:51ac1d130fd4 | 338 | 0x10, |
mbed_official | 0:51ac1d130fd4 | 339 | 0x20, |
mbed_official | 0:51ac1d130fd4 | 340 | 0x40, |
mbed_official | 0:51ac1d130fd4 | 341 | 0x80 |
mbed_official | 0:51ac1d130fd4 | 342 | }; |
mbed_official | 0:51ac1d130fd4 | 343 | |
mbed_official | 0:51ac1d130fd4 | 344 | /** Wake up the task blocked in reading from serial line (if any) */ |
mbed_official | 0:51ac1d130fd4 | 345 | static void |
mbed_official | 0:51ac1d130fd4 | 346 | pppRecvWakeup(int pd) |
mbed_official | 0:51ac1d130fd4 | 347 | { |
mbed_official | 0:51ac1d130fd4 | 348 | PPPDEBUG(LOG_DEBUG, ("pppRecvWakeup: unit %d\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 349 | if (pppControl[pd].openFlag != 0) { |
mbed_official | 0:51ac1d130fd4 | 350 | sio_read_abort(pppControl[pd].fd); |
mbed_official | 0:51ac1d130fd4 | 351 | } |
mbed_official | 0:51ac1d130fd4 | 352 | } |
mbed_official | 0:51ac1d130fd4 | 353 | #endif /* PPPOS_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 354 | |
mbed_official | 0:51ac1d130fd4 | 355 | void |
mbed_official | 0:51ac1d130fd4 | 356 | pppLinkTerminated(int pd) |
mbed_official | 0:51ac1d130fd4 | 357 | { |
mbed_official | 0:51ac1d130fd4 | 358 | PPPDEBUG(LOG_DEBUG, ("pppLinkTerminated: unit %d\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 359 | |
mbed_official | 0:51ac1d130fd4 | 360 | #if PPPOE_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 361 | if (pppControl[pd].ethif) { |
mbed_official | 0:51ac1d130fd4 | 362 | pppoe_disconnect(pppControl[pd].pppoe_sc); |
mbed_official | 0:51ac1d130fd4 | 363 | } else |
mbed_official | 0:51ac1d130fd4 | 364 | #endif /* PPPOE_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 365 | { |
mbed_official | 0:51ac1d130fd4 | 366 | #if PPPOS_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 367 | PPPControl* pc; |
mbed_official | 0:51ac1d130fd4 | 368 | pppRecvWakeup(pd); |
mbed_official | 0:51ac1d130fd4 | 369 | pc = &pppControl[pd]; |
mbed_official | 0:51ac1d130fd4 | 370 | |
mbed_official | 0:51ac1d130fd4 | 371 | PPPDEBUG(LOG_DEBUG, ("pppLinkTerminated: unit %d: linkStatusCB=%p errCode=%d\n", pd, pc->linkStatusCB, pc->errCode)); |
mbed_official | 0:51ac1d130fd4 | 372 | if (pc->linkStatusCB) { |
mbed_official | 0:51ac1d130fd4 | 373 | pc->linkStatusCB(pc->linkStatusCtx, pc->errCode ? pc->errCode : PPPERR_PROTOCOL, NULL); |
mbed_official | 0:51ac1d130fd4 | 374 | } |
mbed_official | 0:51ac1d130fd4 | 375 | |
mbed_official | 0:51ac1d130fd4 | 376 | pc->openFlag = 0;/**/ |
mbed_official | 0:51ac1d130fd4 | 377 | #endif /* PPPOS_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 378 | } |
mbed_official | 0:51ac1d130fd4 | 379 | PPPDEBUG(LOG_DEBUG, ("pppLinkTerminated: finished.\n")); |
mbed_official | 0:51ac1d130fd4 | 380 | } |
mbed_official | 0:51ac1d130fd4 | 381 | |
mbed_official | 0:51ac1d130fd4 | 382 | void |
mbed_official | 0:51ac1d130fd4 | 383 | pppLinkDown(int pd) |
mbed_official | 0:51ac1d130fd4 | 384 | { |
mbed_official | 0:51ac1d130fd4 | 385 | PPPDEBUG(LOG_DEBUG, ("pppLinkDown: unit %d\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 386 | |
mbed_official | 0:51ac1d130fd4 | 387 | #if PPPOE_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 388 | if (pppControl[pd].ethif) { |
mbed_official | 0:51ac1d130fd4 | 389 | pppoe_disconnect(pppControl[pd].pppoe_sc); |
mbed_official | 0:51ac1d130fd4 | 390 | } else |
mbed_official | 0:51ac1d130fd4 | 391 | #endif /* PPPOE_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 392 | { |
mbed_official | 0:51ac1d130fd4 | 393 | #if PPPOS_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 394 | pppRecvWakeup(pd); |
mbed_official | 0:51ac1d130fd4 | 395 | #endif /* PPPOS_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 396 | } |
mbed_official | 0:51ac1d130fd4 | 397 | } |
mbed_official | 0:51ac1d130fd4 | 398 | |
mbed_official | 0:51ac1d130fd4 | 399 | /** Initiate LCP open request */ |
mbed_official | 0:51ac1d130fd4 | 400 | static void |
mbed_official | 0:51ac1d130fd4 | 401 | pppStart(int pd) |
mbed_official | 0:51ac1d130fd4 | 402 | { |
mbed_official | 0:51ac1d130fd4 | 403 | PPPDEBUG(LOG_DEBUG, ("pppStart: unit %d\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 404 | lcp_lowerup(pd); |
mbed_official | 0:51ac1d130fd4 | 405 | lcp_open(pd); /* Start protocol */ |
mbed_official | 0:51ac1d130fd4 | 406 | PPPDEBUG(LOG_DEBUG, ("pppStart: finished\n")); |
mbed_official | 0:51ac1d130fd4 | 407 | } |
mbed_official | 0:51ac1d130fd4 | 408 | |
mbed_official | 0:51ac1d130fd4 | 409 | /** LCP close request */ |
mbed_official | 0:51ac1d130fd4 | 410 | static void |
mbed_official | 0:51ac1d130fd4 | 411 | pppStop(int pd) |
mbed_official | 0:51ac1d130fd4 | 412 | { |
mbed_official | 0:51ac1d130fd4 | 413 | PPPDEBUG(LOG_DEBUG, ("pppStop: unit %d\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 414 | lcp_close(pd, "User request"); |
mbed_official | 0:51ac1d130fd4 | 415 | } |
mbed_official | 0:51ac1d130fd4 | 416 | |
mbed_official | 0:51ac1d130fd4 | 417 | /** Called when carrier/link is lost */ |
mbed_official | 0:51ac1d130fd4 | 418 | static void |
mbed_official | 0:51ac1d130fd4 | 419 | pppHup(int pd) |
mbed_official | 0:51ac1d130fd4 | 420 | { |
mbed_official | 0:51ac1d130fd4 | 421 | PPPDEBUG(LOG_DEBUG, ("pppHupCB: unit %d\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 422 | lcp_lowerdown(pd); |
mbed_official | 0:51ac1d130fd4 | 423 | link_terminated(pd); |
mbed_official | 0:51ac1d130fd4 | 424 | } |
mbed_official | 0:51ac1d130fd4 | 425 | |
mbed_official | 0:51ac1d130fd4 | 426 | /***********************************/ |
mbed_official | 0:51ac1d130fd4 | 427 | /*** PUBLIC FUNCTION DEFINITIONS ***/ |
mbed_official | 0:51ac1d130fd4 | 428 | /***********************************/ |
mbed_official | 0:51ac1d130fd4 | 429 | /* Initialize the PPP subsystem. */ |
mbed_official | 0:51ac1d130fd4 | 430 | |
mbed_official | 0:51ac1d130fd4 | 431 | struct ppp_settings ppp_settings; |
mbed_official | 0:51ac1d130fd4 | 432 | |
mbed_official | 0:51ac1d130fd4 | 433 | void |
mbed_official | 0:51ac1d130fd4 | 434 | pppInit(void) |
mbed_official | 0:51ac1d130fd4 | 435 | { |
mbed_official | 0:51ac1d130fd4 | 436 | struct protent *protp; |
mbed_official | 0:51ac1d130fd4 | 437 | int i, j; |
mbed_official | 0:51ac1d130fd4 | 438 | |
mbed_official | 0:51ac1d130fd4 | 439 | memset(&ppp_settings, 0, sizeof(ppp_settings)); |
mbed_official | 0:51ac1d130fd4 | 440 | ppp_settings.usepeerdns = 1; |
mbed_official | 0:51ac1d130fd4 | 441 | pppSetAuth(PPPAUTHTYPE_NONE, NULL, NULL); |
mbed_official | 0:51ac1d130fd4 | 442 | |
mbed_official | 0:51ac1d130fd4 | 443 | magicInit(); |
mbed_official | 0:51ac1d130fd4 | 444 | |
mbed_official | 0:51ac1d130fd4 | 445 | subnetMask = PP_HTONL(0xffffff00UL); |
mbed_official | 0:51ac1d130fd4 | 446 | |
mbed_official | 0:51ac1d130fd4 | 447 | for (i = 0; i < NUM_PPP; i++) { |
mbed_official | 0:51ac1d130fd4 | 448 | /* Initialize each protocol to the standard option set. */ |
mbed_official | 0:51ac1d130fd4 | 449 | for (j = 0; (protp = ppp_protocols[j]) != NULL; ++j) { |
mbed_official | 0:51ac1d130fd4 | 450 | (*protp->init)(i); |
mbed_official | 0:51ac1d130fd4 | 451 | } |
mbed_official | 0:51ac1d130fd4 | 452 | } |
donatien | 4:f71f5d9d5846 | 453 | |
donatien | 4:f71f5d9d5846 | 454 | sys_mbox_new(&pppMbox, 1); |
donatien | 4:f71f5d9d5846 | 455 | sys_thread_new(PPP_THREAD_NAME, pppInputThread, (void*)NULL, PPP_THREAD_STACKSIZE, PPP_THREAD_PRIO); //Create PPP thread here |
mbed_official | 0:51ac1d130fd4 | 456 | } |
mbed_official | 0:51ac1d130fd4 | 457 | |
mbed_official | 0:51ac1d130fd4 | 458 | void |
mbed_official | 0:51ac1d130fd4 | 459 | pppSetAuth(enum pppAuthType authType, const char *user, const char *passwd) |
mbed_official | 0:51ac1d130fd4 | 460 | { |
mbed_official | 0:51ac1d130fd4 | 461 | switch(authType) { |
mbed_official | 0:51ac1d130fd4 | 462 | case PPPAUTHTYPE_NONE: |
mbed_official | 0:51ac1d130fd4 | 463 | default: |
mbed_official | 0:51ac1d130fd4 | 464 | #ifdef LWIP_PPP_STRICT_PAP_REJECT |
mbed_official | 0:51ac1d130fd4 | 465 | ppp_settings.refuse_pap = 1; |
mbed_official | 0:51ac1d130fd4 | 466 | #else /* LWIP_PPP_STRICT_PAP_REJECT */ |
mbed_official | 0:51ac1d130fd4 | 467 | /* some providers request pap and accept an empty login/pw */ |
mbed_official | 0:51ac1d130fd4 | 468 | ppp_settings.refuse_pap = 0; |
mbed_official | 0:51ac1d130fd4 | 469 | #endif /* LWIP_PPP_STRICT_PAP_REJECT */ |
mbed_official | 0:51ac1d130fd4 | 470 | ppp_settings.refuse_chap = 1; |
mbed_official | 0:51ac1d130fd4 | 471 | break; |
mbed_official | 0:51ac1d130fd4 | 472 | |
mbed_official | 0:51ac1d130fd4 | 473 | case PPPAUTHTYPE_ANY: |
mbed_official | 0:51ac1d130fd4 | 474 | /* Warning: Using PPPAUTHTYPE_ANY might have security consequences. |
mbed_official | 0:51ac1d130fd4 | 475 | * RFC 1994 says: |
mbed_official | 0:51ac1d130fd4 | 476 | * |
mbed_official | 0:51ac1d130fd4 | 477 | * In practice, within or associated with each PPP server, there is a |
mbed_official | 0:51ac1d130fd4 | 478 | * database which associates "user" names with authentication |
mbed_official | 0:51ac1d130fd4 | 479 | * information ("secrets"). It is not anticipated that a particular |
mbed_official | 0:51ac1d130fd4 | 480 | * named user would be authenticated by multiple methods. This would |
mbed_official | 0:51ac1d130fd4 | 481 | * make the user vulnerable to attacks which negotiate the least secure |
mbed_official | 0:51ac1d130fd4 | 482 | * method from among a set (such as PAP rather than CHAP). If the same |
mbed_official | 0:51ac1d130fd4 | 483 | * secret was used, PAP would reveal the secret to be used later with |
mbed_official | 0:51ac1d130fd4 | 484 | * CHAP. |
mbed_official | 0:51ac1d130fd4 | 485 | * |
mbed_official | 0:51ac1d130fd4 | 486 | * Instead, for each user name there should be an indication of exactly |
mbed_official | 0:51ac1d130fd4 | 487 | * one method used to authenticate that user name. If a user needs to |
mbed_official | 0:51ac1d130fd4 | 488 | * make use of different authentication methods under different |
mbed_official | 0:51ac1d130fd4 | 489 | * circumstances, then distinct user names SHOULD be employed, each of |
mbed_official | 0:51ac1d130fd4 | 490 | * which identifies exactly one authentication method. |
mbed_official | 0:51ac1d130fd4 | 491 | * |
mbed_official | 0:51ac1d130fd4 | 492 | */ |
mbed_official | 0:51ac1d130fd4 | 493 | ppp_settings.refuse_pap = 0; |
mbed_official | 0:51ac1d130fd4 | 494 | ppp_settings.refuse_chap = 0; |
mbed_official | 0:51ac1d130fd4 | 495 | break; |
mbed_official | 0:51ac1d130fd4 | 496 | |
mbed_official | 0:51ac1d130fd4 | 497 | case PPPAUTHTYPE_PAP: |
mbed_official | 0:51ac1d130fd4 | 498 | ppp_settings.refuse_pap = 0; |
mbed_official | 0:51ac1d130fd4 | 499 | ppp_settings.refuse_chap = 1; |
mbed_official | 0:51ac1d130fd4 | 500 | break; |
mbed_official | 0:51ac1d130fd4 | 501 | |
mbed_official | 0:51ac1d130fd4 | 502 | case PPPAUTHTYPE_CHAP: |
mbed_official | 0:51ac1d130fd4 | 503 | ppp_settings.refuse_pap = 1; |
mbed_official | 0:51ac1d130fd4 | 504 | ppp_settings.refuse_chap = 0; |
mbed_official | 0:51ac1d130fd4 | 505 | break; |
mbed_official | 0:51ac1d130fd4 | 506 | } |
mbed_official | 0:51ac1d130fd4 | 507 | |
mbed_official | 0:51ac1d130fd4 | 508 | if(user) { |
mbed_official | 0:51ac1d130fd4 | 509 | strncpy(ppp_settings.user, user, sizeof(ppp_settings.user)-1); |
mbed_official | 0:51ac1d130fd4 | 510 | ppp_settings.user[sizeof(ppp_settings.user)-1] = '\0'; |
mbed_official | 0:51ac1d130fd4 | 511 | } else { |
mbed_official | 0:51ac1d130fd4 | 512 | ppp_settings.user[0] = '\0'; |
mbed_official | 0:51ac1d130fd4 | 513 | } |
mbed_official | 0:51ac1d130fd4 | 514 | |
mbed_official | 0:51ac1d130fd4 | 515 | if(passwd) { |
mbed_official | 0:51ac1d130fd4 | 516 | strncpy(ppp_settings.passwd, passwd, sizeof(ppp_settings.passwd)-1); |
mbed_official | 0:51ac1d130fd4 | 517 | ppp_settings.passwd[sizeof(ppp_settings.passwd)-1] = '\0'; |
mbed_official | 0:51ac1d130fd4 | 518 | } else { |
mbed_official | 0:51ac1d130fd4 | 519 | ppp_settings.passwd[0] = '\0'; |
mbed_official | 0:51ac1d130fd4 | 520 | } |
mbed_official | 0:51ac1d130fd4 | 521 | } |
mbed_official | 0:51ac1d130fd4 | 522 | |
mbed_official | 0:51ac1d130fd4 | 523 | #if PPPOS_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 524 | /** Open a new PPP connection using the given I/O device. |
mbed_official | 0:51ac1d130fd4 | 525 | * This initializes the PPP control block but does not |
mbed_official | 0:51ac1d130fd4 | 526 | * attempt to negotiate the LCP session. If this port |
mbed_official | 0:51ac1d130fd4 | 527 | * connects to a modem, the modem connection must be |
mbed_official | 0:51ac1d130fd4 | 528 | * established before calling this. |
mbed_official | 0:51ac1d130fd4 | 529 | * Return a new PPP connection descriptor on success or |
mbed_official | 0:51ac1d130fd4 | 530 | * an error code (negative) on failure. |
mbed_official | 0:51ac1d130fd4 | 531 | * |
mbed_official | 0:51ac1d130fd4 | 532 | * pppOpen() is directly defined to this function. |
mbed_official | 0:51ac1d130fd4 | 533 | */ |
mbed_official | 0:51ac1d130fd4 | 534 | int |
mbed_official | 0:51ac1d130fd4 | 535 | pppOverSerialOpen(sio_fd_t fd, void (*linkStatusCB)(void *ctx, int errCode, void *arg), void *linkStatusCtx) |
mbed_official | 0:51ac1d130fd4 | 536 | { |
mbed_official | 0:51ac1d130fd4 | 537 | PPPControl *pc; |
mbed_official | 0:51ac1d130fd4 | 538 | int pd; |
mbed_official | 0:51ac1d130fd4 | 539 | |
mbed_official | 0:51ac1d130fd4 | 540 | if (linkStatusCB == NULL) { |
mbed_official | 0:51ac1d130fd4 | 541 | /* PPP is single-threaded: without a callback, |
mbed_official | 0:51ac1d130fd4 | 542 | * there is no way to know when the link is up. */ |
mbed_official | 0:51ac1d130fd4 | 543 | return PPPERR_PARAM; |
mbed_official | 0:51ac1d130fd4 | 544 | } |
mbed_official | 0:51ac1d130fd4 | 545 | |
mbed_official | 0:51ac1d130fd4 | 546 | /* Find a free PPP session descriptor. */ |
mbed_official | 0:51ac1d130fd4 | 547 | for (pd = 0; pd < NUM_PPP && pppControl[pd].openFlag != 0; pd++); |
mbed_official | 0:51ac1d130fd4 | 548 | |
mbed_official | 0:51ac1d130fd4 | 549 | if (pd >= NUM_PPP) { |
mbed_official | 0:51ac1d130fd4 | 550 | pd = PPPERR_OPEN; |
mbed_official | 0:51ac1d130fd4 | 551 | } else { |
mbed_official | 0:51ac1d130fd4 | 552 | pc = &pppControl[pd]; |
mbed_official | 0:51ac1d130fd4 | 553 | /* @todo: is this correct or do I overwrite something? */ |
mbed_official | 0:51ac1d130fd4 | 554 | memset(pc, 0, sizeof(PPPControl)); |
mbed_official | 0:51ac1d130fd4 | 555 | pc->rx.pd = pd; |
mbed_official | 0:51ac1d130fd4 | 556 | pc->rx.fd = fd; |
mbed_official | 0:51ac1d130fd4 | 557 | |
mbed_official | 0:51ac1d130fd4 | 558 | pc->openFlag = 1; |
mbed_official | 0:51ac1d130fd4 | 559 | pc->fd = fd; |
mbed_official | 0:51ac1d130fd4 | 560 | |
mbed_official | 0:51ac1d130fd4 | 561 | #if VJ_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 562 | vj_compress_init(&pc->vjComp); |
mbed_official | 0:51ac1d130fd4 | 563 | #endif /* VJ_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 564 | |
mbed_official | 0:51ac1d130fd4 | 565 | /* |
mbed_official | 0:51ac1d130fd4 | 566 | * Default the in and out accm so that escape and flag characters |
mbed_official | 0:51ac1d130fd4 | 567 | * are always escaped. |
mbed_official | 0:51ac1d130fd4 | 568 | */ |
mbed_official | 0:51ac1d130fd4 | 569 | pc->rx.inACCM[15] = 0x60; /* no need to protect since RX is not running */ |
mbed_official | 0:51ac1d130fd4 | 570 | pc->outACCM[15] = 0x60; |
mbed_official | 0:51ac1d130fd4 | 571 | |
mbed_official | 0:51ac1d130fd4 | 572 | pc->linkStatusCB = linkStatusCB; |
mbed_official | 0:51ac1d130fd4 | 573 | pc->linkStatusCtx = linkStatusCtx; |
mbed_official | 0:51ac1d130fd4 | 574 | |
mbed_official | 0:51ac1d130fd4 | 575 | /* |
mbed_official | 0:51ac1d130fd4 | 576 | * Start the connection and handle incoming events (packet or timeout). |
mbed_official | 0:51ac1d130fd4 | 577 | */ |
mbed_official | 0:51ac1d130fd4 | 578 | PPPDEBUG(LOG_INFO, ("pppOverSerialOpen: unit %d: Connecting\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 579 | pppStart(pd); |
mbed_official | 0:51ac1d130fd4 | 580 | #if PPP_INPROC_OWNTHREAD |
donatien | 4:f71f5d9d5846 | 581 | sys_mbox_post(&pppMbox, (void*)&pc->rx); |
mbed_official | 0:51ac1d130fd4 | 582 | #endif |
mbed_official | 0:51ac1d130fd4 | 583 | } |
mbed_official | 0:51ac1d130fd4 | 584 | |
mbed_official | 0:51ac1d130fd4 | 585 | return pd; |
mbed_official | 0:51ac1d130fd4 | 586 | } |
mbed_official | 0:51ac1d130fd4 | 587 | #endif /* PPPOS_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 588 | |
mbed_official | 0:51ac1d130fd4 | 589 | #if PPPOE_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 590 | static void pppOverEthernetLinkStatusCB(int pd, int up); |
mbed_official | 0:51ac1d130fd4 | 591 | |
mbed_official | 0:51ac1d130fd4 | 592 | void |
mbed_official | 0:51ac1d130fd4 | 593 | pppOverEthernetClose(int pd) |
mbed_official | 0:51ac1d130fd4 | 594 | { |
mbed_official | 0:51ac1d130fd4 | 595 | PPPControl* pc = &pppControl[pd]; |
mbed_official | 0:51ac1d130fd4 | 596 | |
mbed_official | 0:51ac1d130fd4 | 597 | /* *TJL* There's no lcp_deinit */ |
mbed_official | 0:51ac1d130fd4 | 598 | lcp_close(pd, NULL); |
mbed_official | 0:51ac1d130fd4 | 599 | |
mbed_official | 0:51ac1d130fd4 | 600 | pppoe_destroy(&pc->netif); |
mbed_official | 0:51ac1d130fd4 | 601 | } |
mbed_official | 0:51ac1d130fd4 | 602 | |
mbed_official | 0:51ac1d130fd4 | 603 | int pppOverEthernetOpen(struct netif *ethif, const char *service_name, const char *concentrator_name, void (*linkStatusCB)(void *ctx, int errCode, void *arg), void *linkStatusCtx) |
mbed_official | 0:51ac1d130fd4 | 604 | { |
mbed_official | 0:51ac1d130fd4 | 605 | PPPControl *pc; |
mbed_official | 0:51ac1d130fd4 | 606 | int pd; |
mbed_official | 0:51ac1d130fd4 | 607 | |
mbed_official | 0:51ac1d130fd4 | 608 | LWIP_UNUSED_ARG(service_name); |
mbed_official | 0:51ac1d130fd4 | 609 | LWIP_UNUSED_ARG(concentrator_name); |
mbed_official | 0:51ac1d130fd4 | 610 | |
mbed_official | 0:51ac1d130fd4 | 611 | if (linkStatusCB == NULL) { |
mbed_official | 0:51ac1d130fd4 | 612 | /* PPP is single-threaded: without a callback, |
mbed_official | 0:51ac1d130fd4 | 613 | * there is no way to know when the link is up. */ |
mbed_official | 0:51ac1d130fd4 | 614 | return PPPERR_PARAM; |
mbed_official | 0:51ac1d130fd4 | 615 | } |
mbed_official | 0:51ac1d130fd4 | 616 | |
mbed_official | 0:51ac1d130fd4 | 617 | /* Find a free PPP session descriptor. Critical region? */ |
mbed_official | 0:51ac1d130fd4 | 618 | for (pd = 0; pd < NUM_PPP && pppControl[pd].openFlag != 0; pd++); |
mbed_official | 0:51ac1d130fd4 | 619 | if (pd >= NUM_PPP) { |
mbed_official | 0:51ac1d130fd4 | 620 | pd = PPPERR_OPEN; |
mbed_official | 0:51ac1d130fd4 | 621 | } else { |
mbed_official | 0:51ac1d130fd4 | 622 | pc = &pppControl[pd]; |
mbed_official | 0:51ac1d130fd4 | 623 | memset(pc, 0, sizeof(PPPControl)); |
mbed_official | 0:51ac1d130fd4 | 624 | pc->openFlag = 1; |
mbed_official | 0:51ac1d130fd4 | 625 | pc->ethif = ethif; |
mbed_official | 0:51ac1d130fd4 | 626 | |
mbed_official | 0:51ac1d130fd4 | 627 | pc->linkStatusCB = linkStatusCB; |
mbed_official | 0:51ac1d130fd4 | 628 | pc->linkStatusCtx = linkStatusCtx; |
mbed_official | 0:51ac1d130fd4 | 629 | |
mbed_official | 0:51ac1d130fd4 | 630 | lcp_wantoptions[pd].mru = PPPOE_MAXMTU; |
mbed_official | 0:51ac1d130fd4 | 631 | lcp_wantoptions[pd].neg_asyncmap = 0; |
mbed_official | 0:51ac1d130fd4 | 632 | lcp_wantoptions[pd].neg_pcompression = 0; |
mbed_official | 0:51ac1d130fd4 | 633 | lcp_wantoptions[pd].neg_accompression = 0; |
mbed_official | 0:51ac1d130fd4 | 634 | |
mbed_official | 0:51ac1d130fd4 | 635 | lcp_allowoptions[pd].mru = PPPOE_MAXMTU; |
mbed_official | 0:51ac1d130fd4 | 636 | lcp_allowoptions[pd].neg_asyncmap = 0; |
mbed_official | 0:51ac1d130fd4 | 637 | lcp_allowoptions[pd].neg_pcompression = 0; |
mbed_official | 0:51ac1d130fd4 | 638 | lcp_allowoptions[pd].neg_accompression = 0; |
mbed_official | 0:51ac1d130fd4 | 639 | |
mbed_official | 0:51ac1d130fd4 | 640 | if(pppoe_create(ethif, pd, pppOverEthernetLinkStatusCB, &pc->pppoe_sc) != ERR_OK) { |
mbed_official | 0:51ac1d130fd4 | 641 | pc->openFlag = 0; |
mbed_official | 0:51ac1d130fd4 | 642 | return PPPERR_OPEN; |
mbed_official | 0:51ac1d130fd4 | 643 | } |
mbed_official | 0:51ac1d130fd4 | 644 | |
mbed_official | 0:51ac1d130fd4 | 645 | pppoe_connect(pc->pppoe_sc); |
mbed_official | 0:51ac1d130fd4 | 646 | } |
mbed_official | 0:51ac1d130fd4 | 647 | |
mbed_official | 0:51ac1d130fd4 | 648 | return pd; |
mbed_official | 0:51ac1d130fd4 | 649 | } |
mbed_official | 0:51ac1d130fd4 | 650 | #endif /* PPPOE_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 651 | |
mbed_official | 0:51ac1d130fd4 | 652 | |
mbed_official | 0:51ac1d130fd4 | 653 | /* Close a PPP connection and release the descriptor. |
mbed_official | 0:51ac1d130fd4 | 654 | * Any outstanding packets in the queues are dropped. |
mbed_official | 0:51ac1d130fd4 | 655 | * Return 0 on success, an error code on failure. */ |
mbed_official | 0:51ac1d130fd4 | 656 | int |
mbed_official | 0:51ac1d130fd4 | 657 | pppClose(int pd) |
mbed_official | 0:51ac1d130fd4 | 658 | { |
mbed_official | 0:51ac1d130fd4 | 659 | PPPControl *pc = &pppControl[pd]; |
mbed_official | 0:51ac1d130fd4 | 660 | int st = 0; |
mbed_official | 0:51ac1d130fd4 | 661 | |
mbed_official | 0:51ac1d130fd4 | 662 | PPPDEBUG(LOG_DEBUG, ("pppClose() called\n")); |
mbed_official | 0:51ac1d130fd4 | 663 | |
mbed_official | 0:51ac1d130fd4 | 664 | /* Disconnect */ |
mbed_official | 0:51ac1d130fd4 | 665 | #if PPPOE_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 666 | if(pc->ethif) { |
mbed_official | 0:51ac1d130fd4 | 667 | PPPDEBUG(LOG_DEBUG, ("pppClose: unit %d kill_link -> pppStop\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 668 | pc->errCode = PPPERR_USER; |
mbed_official | 0:51ac1d130fd4 | 669 | /* This will leave us at PHASE_DEAD. */ |
mbed_official | 0:51ac1d130fd4 | 670 | pppStop(pd); |
mbed_official | 0:51ac1d130fd4 | 671 | } else |
mbed_official | 0:51ac1d130fd4 | 672 | #endif /* PPPOE_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 673 | { |
mbed_official | 0:51ac1d130fd4 | 674 | #if PPPOS_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 675 | PPPDEBUG(LOG_DEBUG, ("pppClose: unit %d kill_link -> pppStop\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 676 | pc->errCode = PPPERR_USER; |
mbed_official | 0:51ac1d130fd4 | 677 | /* This will leave us at PHASE_DEAD. */ |
mbed_official | 0:51ac1d130fd4 | 678 | pppStop(pd); |
mbed_official | 0:51ac1d130fd4 | 679 | pppRecvWakeup(pd); |
mbed_official | 0:51ac1d130fd4 | 680 | #endif /* PPPOS_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 681 | } |
mbed_official | 0:51ac1d130fd4 | 682 | |
mbed_official | 0:51ac1d130fd4 | 683 | return st; |
mbed_official | 0:51ac1d130fd4 | 684 | } |
mbed_official | 0:51ac1d130fd4 | 685 | |
mbed_official | 0:51ac1d130fd4 | 686 | /* This function is called when carrier is lost on the PPP channel. */ |
mbed_official | 0:51ac1d130fd4 | 687 | void |
mbed_official | 0:51ac1d130fd4 | 688 | pppSigHUP(int pd) |
mbed_official | 0:51ac1d130fd4 | 689 | { |
mbed_official | 0:51ac1d130fd4 | 690 | PPPDEBUG(LOG_DEBUG, ("pppSigHUP: unit %d sig_hup -> pppHupCB\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 691 | pppHup(pd); |
mbed_official | 0:51ac1d130fd4 | 692 | } |
mbed_official | 0:51ac1d130fd4 | 693 | |
mbed_official | 0:51ac1d130fd4 | 694 | #if PPPOS_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 695 | static void |
mbed_official | 0:51ac1d130fd4 | 696 | nPut(PPPControl *pc, struct pbuf *nb) |
mbed_official | 0:51ac1d130fd4 | 697 | { |
mbed_official | 0:51ac1d130fd4 | 698 | struct pbuf *b; |
mbed_official | 0:51ac1d130fd4 | 699 | int c; |
mbed_official | 0:51ac1d130fd4 | 700 | |
mbed_official | 0:51ac1d130fd4 | 701 | for(b = nb; b != NULL; b = b->next) { |
mbed_official | 0:51ac1d130fd4 | 702 | if((c = sio_write(pc->fd, b->payload, b->len)) != b->len) { |
mbed_official | 0:51ac1d130fd4 | 703 | PPPDEBUG(LOG_WARNING, |
mbed_official | 0:51ac1d130fd4 | 704 | ("PPP nPut: incomplete sio_write(fd:%"SZT_F", len:%d, c: 0x%"X8_F") c = %d\n", (size_t)pc->fd, b->len, c, c)); |
mbed_official | 0:51ac1d130fd4 | 705 | LINK_STATS_INC(link.err); |
mbed_official | 0:51ac1d130fd4 | 706 | pc->lastXMit = 0; /* prepend PPP_FLAG to next packet */ |
mbed_official | 0:51ac1d130fd4 | 707 | snmp_inc_ifoutdiscards(&pc->netif); |
mbed_official | 0:51ac1d130fd4 | 708 | pbuf_free(nb); |
mbed_official | 0:51ac1d130fd4 | 709 | return; |
mbed_official | 0:51ac1d130fd4 | 710 | } |
mbed_official | 0:51ac1d130fd4 | 711 | } |
mbed_official | 0:51ac1d130fd4 | 712 | |
mbed_official | 0:51ac1d130fd4 | 713 | snmp_add_ifoutoctets(&pc->netif, nb->tot_len); |
mbed_official | 0:51ac1d130fd4 | 714 | snmp_inc_ifoutucastpkts(&pc->netif); |
mbed_official | 0:51ac1d130fd4 | 715 | pbuf_free(nb); |
mbed_official | 0:51ac1d130fd4 | 716 | LINK_STATS_INC(link.xmit); |
mbed_official | 0:51ac1d130fd4 | 717 | } |
mbed_official | 0:51ac1d130fd4 | 718 | |
mbed_official | 0:51ac1d130fd4 | 719 | /* |
mbed_official | 0:51ac1d130fd4 | 720 | * pppAppend - append given character to end of given pbuf. If outACCM |
mbed_official | 0:51ac1d130fd4 | 721 | * is not NULL and the character needs to be escaped, do so. |
mbed_official | 0:51ac1d130fd4 | 722 | * If pbuf is full, append another. |
mbed_official | 0:51ac1d130fd4 | 723 | * Return the current pbuf. |
mbed_official | 0:51ac1d130fd4 | 724 | */ |
mbed_official | 0:51ac1d130fd4 | 725 | static struct pbuf * |
mbed_official | 0:51ac1d130fd4 | 726 | pppAppend(u_char c, struct pbuf *nb, ext_accm *outACCM) |
mbed_official | 0:51ac1d130fd4 | 727 | { |
mbed_official | 0:51ac1d130fd4 | 728 | struct pbuf *tb = nb; |
mbed_official | 0:51ac1d130fd4 | 729 | |
mbed_official | 0:51ac1d130fd4 | 730 | /* Make sure there is room for the character and an escape code. |
mbed_official | 0:51ac1d130fd4 | 731 | * Sure we don't quite fill the buffer if the character doesn't |
mbed_official | 0:51ac1d130fd4 | 732 | * get escaped but is one character worth complicating this? */ |
mbed_official | 0:51ac1d130fd4 | 733 | /* Note: We assume no packet header. */ |
mbed_official | 0:51ac1d130fd4 | 734 | if (nb && (PBUF_POOL_BUFSIZE - nb->len) < 2) { |
mbed_official | 0:51ac1d130fd4 | 735 | tb = pbuf_alloc(PBUF_RAW, 0, PBUF_POOL); |
mbed_official | 0:51ac1d130fd4 | 736 | if (tb) { |
mbed_official | 0:51ac1d130fd4 | 737 | nb->next = tb; |
mbed_official | 0:51ac1d130fd4 | 738 | } else { |
mbed_official | 0:51ac1d130fd4 | 739 | LINK_STATS_INC(link.memerr); |
mbed_official | 0:51ac1d130fd4 | 740 | } |
mbed_official | 0:51ac1d130fd4 | 741 | nb = tb; |
mbed_official | 0:51ac1d130fd4 | 742 | } |
mbed_official | 0:51ac1d130fd4 | 743 | |
mbed_official | 0:51ac1d130fd4 | 744 | if (nb) { |
mbed_official | 0:51ac1d130fd4 | 745 | if (outACCM && ESCAPE_P(*outACCM, c)) { |
mbed_official | 0:51ac1d130fd4 | 746 | *((u_char*)nb->payload + nb->len++) = PPP_ESCAPE; |
mbed_official | 0:51ac1d130fd4 | 747 | *((u_char*)nb->payload + nb->len++) = c ^ PPP_TRANS; |
mbed_official | 0:51ac1d130fd4 | 748 | } else { |
mbed_official | 0:51ac1d130fd4 | 749 | *((u_char*)nb->payload + nb->len++) = c; |
mbed_official | 0:51ac1d130fd4 | 750 | } |
mbed_official | 0:51ac1d130fd4 | 751 | } |
mbed_official | 0:51ac1d130fd4 | 752 | |
mbed_official | 0:51ac1d130fd4 | 753 | return tb; |
mbed_official | 0:51ac1d130fd4 | 754 | } |
mbed_official | 0:51ac1d130fd4 | 755 | #endif /* PPPOS_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 756 | |
mbed_official | 0:51ac1d130fd4 | 757 | #if PPPOE_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 758 | static err_t |
mbed_official | 0:51ac1d130fd4 | 759 | pppifOutputOverEthernet(int pd, struct pbuf *p) |
mbed_official | 0:51ac1d130fd4 | 760 | { |
mbed_official | 0:51ac1d130fd4 | 761 | PPPControl *pc = &pppControl[pd]; |
mbed_official | 0:51ac1d130fd4 | 762 | struct pbuf *pb; |
mbed_official | 0:51ac1d130fd4 | 763 | u_short protocol = PPP_IP; |
mbed_official | 0:51ac1d130fd4 | 764 | int i=0; |
mbed_official | 0:51ac1d130fd4 | 765 | u16_t tot_len; |
mbed_official | 0:51ac1d130fd4 | 766 | |
mbed_official | 0:51ac1d130fd4 | 767 | /* @todo: try to use pbuf_header() here! */ |
mbed_official | 0:51ac1d130fd4 | 768 | pb = pbuf_alloc(PBUF_LINK, PPPOE_HDRLEN + sizeof(protocol), PBUF_RAM); |
mbed_official | 0:51ac1d130fd4 | 769 | if(!pb) { |
mbed_official | 0:51ac1d130fd4 | 770 | LINK_STATS_INC(link.memerr); |
mbed_official | 0:51ac1d130fd4 | 771 | LINK_STATS_INC(link.proterr); |
mbed_official | 0:51ac1d130fd4 | 772 | snmp_inc_ifoutdiscards(&pc->netif); |
mbed_official | 0:51ac1d130fd4 | 773 | return ERR_MEM; |
mbed_official | 0:51ac1d130fd4 | 774 | } |
mbed_official | 0:51ac1d130fd4 | 775 | |
mbed_official | 0:51ac1d130fd4 | 776 | pbuf_header(pb, -(s16_t)PPPOE_HDRLEN); |
mbed_official | 0:51ac1d130fd4 | 777 | |
mbed_official | 0:51ac1d130fd4 | 778 | pc->lastXMit = sys_jiffies(); |
mbed_official | 0:51ac1d130fd4 | 779 | |
mbed_official | 0:51ac1d130fd4 | 780 | if (!pc->pcomp || protocol > 0xFF) { |
mbed_official | 0:51ac1d130fd4 | 781 | *((u_char*)pb->payload + i++) = (protocol >> 8) & 0xFF; |
mbed_official | 0:51ac1d130fd4 | 782 | } |
mbed_official | 0:51ac1d130fd4 | 783 | *((u_char*)pb->payload + i) = protocol & 0xFF; |
mbed_official | 0:51ac1d130fd4 | 784 | |
mbed_official | 0:51ac1d130fd4 | 785 | pbuf_chain(pb, p); |
mbed_official | 0:51ac1d130fd4 | 786 | tot_len = pb->tot_len; |
mbed_official | 0:51ac1d130fd4 | 787 | |
mbed_official | 0:51ac1d130fd4 | 788 | if(pppoe_xmit(pc->pppoe_sc, pb) != ERR_OK) { |
mbed_official | 0:51ac1d130fd4 | 789 | LINK_STATS_INC(link.err); |
mbed_official | 0:51ac1d130fd4 | 790 | snmp_inc_ifoutdiscards(&pc->netif); |
mbed_official | 0:51ac1d130fd4 | 791 | return PPPERR_DEVICE; |
mbed_official | 0:51ac1d130fd4 | 792 | } |
mbed_official | 0:51ac1d130fd4 | 793 | |
mbed_official | 0:51ac1d130fd4 | 794 | snmp_add_ifoutoctets(&pc->netif, tot_len); |
mbed_official | 0:51ac1d130fd4 | 795 | snmp_inc_ifoutucastpkts(&pc->netif); |
mbed_official | 0:51ac1d130fd4 | 796 | LINK_STATS_INC(link.xmit); |
mbed_official | 0:51ac1d130fd4 | 797 | return ERR_OK; |
mbed_official | 0:51ac1d130fd4 | 798 | } |
mbed_official | 0:51ac1d130fd4 | 799 | #endif /* PPPOE_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 800 | |
mbed_official | 0:51ac1d130fd4 | 801 | /* Send a packet on the given connection. */ |
mbed_official | 0:51ac1d130fd4 | 802 | static err_t |
mbed_official | 0:51ac1d130fd4 | 803 | pppifOutput(struct netif *netif, struct pbuf *pb, ip_addr_t *ipaddr) |
mbed_official | 0:51ac1d130fd4 | 804 | { |
mbed_official | 0:51ac1d130fd4 | 805 | int pd = (int)(size_t)netif->state; |
mbed_official | 0:51ac1d130fd4 | 806 | PPPControl *pc = &pppControl[pd]; |
mbed_official | 0:51ac1d130fd4 | 807 | #if PPPOS_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 808 | u_short protocol = PPP_IP; |
mbed_official | 0:51ac1d130fd4 | 809 | u_int fcsOut = PPP_INITFCS; |
mbed_official | 0:51ac1d130fd4 | 810 | struct pbuf *headMB = NULL, *tailMB = NULL, *p; |
mbed_official | 0:51ac1d130fd4 | 811 | u_char c; |
mbed_official | 0:51ac1d130fd4 | 812 | #endif /* PPPOS_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 813 | |
mbed_official | 0:51ac1d130fd4 | 814 | LWIP_UNUSED_ARG(ipaddr); |
mbed_official | 0:51ac1d130fd4 | 815 | |
mbed_official | 0:51ac1d130fd4 | 816 | /* Validate parameters. */ |
mbed_official | 0:51ac1d130fd4 | 817 | /* We let any protocol value go through - it can't hurt us |
mbed_official | 0:51ac1d130fd4 | 818 | * and the peer will just drop it if it's not accepting it. */ |
mbed_official | 0:51ac1d130fd4 | 819 | if (pd < 0 || pd >= NUM_PPP || !pc->openFlag || !pb) { |
mbed_official | 0:51ac1d130fd4 | 820 | PPPDEBUG(LOG_WARNING, ("pppifOutput[%d]: bad parms prot=%d pb=%p\n", |
mbed_official | 0:51ac1d130fd4 | 821 | pd, PPP_IP, pb)); |
mbed_official | 0:51ac1d130fd4 | 822 | LINK_STATS_INC(link.opterr); |
mbed_official | 0:51ac1d130fd4 | 823 | LINK_STATS_INC(link.drop); |
mbed_official | 0:51ac1d130fd4 | 824 | snmp_inc_ifoutdiscards(netif); |
mbed_official | 0:51ac1d130fd4 | 825 | return ERR_ARG; |
mbed_official | 0:51ac1d130fd4 | 826 | } |
mbed_official | 0:51ac1d130fd4 | 827 | |
mbed_official | 0:51ac1d130fd4 | 828 | /* Check that the link is up. */ |
mbed_official | 0:51ac1d130fd4 | 829 | if (lcp_phase[pd] == PHASE_DEAD) { |
mbed_official | 0:51ac1d130fd4 | 830 | PPPDEBUG(LOG_ERR, ("pppifOutput[%d]: link not up\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 831 | LINK_STATS_INC(link.rterr); |
mbed_official | 0:51ac1d130fd4 | 832 | LINK_STATS_INC(link.drop); |
mbed_official | 0:51ac1d130fd4 | 833 | snmp_inc_ifoutdiscards(netif); |
mbed_official | 0:51ac1d130fd4 | 834 | return ERR_RTE; |
mbed_official | 0:51ac1d130fd4 | 835 | } |
mbed_official | 0:51ac1d130fd4 | 836 | |
mbed_official | 0:51ac1d130fd4 | 837 | #if PPPOE_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 838 | if(pc->ethif) { |
mbed_official | 0:51ac1d130fd4 | 839 | return pppifOutputOverEthernet(pd, pb); |
mbed_official | 0:51ac1d130fd4 | 840 | } |
mbed_official | 0:51ac1d130fd4 | 841 | #endif /* PPPOE_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 842 | |
mbed_official | 0:51ac1d130fd4 | 843 | #if PPPOS_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 844 | /* Grab an output buffer. */ |
mbed_official | 0:51ac1d130fd4 | 845 | headMB = pbuf_alloc(PBUF_RAW, 0, PBUF_POOL); |
mbed_official | 0:51ac1d130fd4 | 846 | if (headMB == NULL) { |
mbed_official | 0:51ac1d130fd4 | 847 | PPPDEBUG(LOG_WARNING, ("pppifOutput[%d]: first alloc fail\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 848 | LINK_STATS_INC(link.memerr); |
mbed_official | 0:51ac1d130fd4 | 849 | LINK_STATS_INC(link.drop); |
mbed_official | 0:51ac1d130fd4 | 850 | snmp_inc_ifoutdiscards(netif); |
mbed_official | 0:51ac1d130fd4 | 851 | return ERR_MEM; |
mbed_official | 0:51ac1d130fd4 | 852 | } |
mbed_official | 0:51ac1d130fd4 | 853 | |
mbed_official | 0:51ac1d130fd4 | 854 | #if VJ_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 855 | /* |
mbed_official | 0:51ac1d130fd4 | 856 | * Attempt Van Jacobson header compression if VJ is configured and |
mbed_official | 0:51ac1d130fd4 | 857 | * this is an IP packet. |
mbed_official | 0:51ac1d130fd4 | 858 | */ |
mbed_official | 0:51ac1d130fd4 | 859 | if (protocol == PPP_IP && pc->vjEnabled) { |
mbed_official | 0:51ac1d130fd4 | 860 | switch (vj_compress_tcp(&pc->vjComp, pb)) { |
mbed_official | 0:51ac1d130fd4 | 861 | case TYPE_IP: |
mbed_official | 0:51ac1d130fd4 | 862 | /* No change... |
mbed_official | 0:51ac1d130fd4 | 863 | protocol = PPP_IP_PROTOCOL; */ |
mbed_official | 0:51ac1d130fd4 | 864 | break; |
mbed_official | 0:51ac1d130fd4 | 865 | case TYPE_COMPRESSED_TCP: |
mbed_official | 0:51ac1d130fd4 | 866 | protocol = PPP_VJC_COMP; |
mbed_official | 0:51ac1d130fd4 | 867 | break; |
mbed_official | 0:51ac1d130fd4 | 868 | case TYPE_UNCOMPRESSED_TCP: |
mbed_official | 0:51ac1d130fd4 | 869 | protocol = PPP_VJC_UNCOMP; |
mbed_official | 0:51ac1d130fd4 | 870 | break; |
mbed_official | 0:51ac1d130fd4 | 871 | default: |
mbed_official | 0:51ac1d130fd4 | 872 | PPPDEBUG(LOG_WARNING, ("pppifOutput[%d]: bad IP packet\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 873 | LINK_STATS_INC(link.proterr); |
mbed_official | 0:51ac1d130fd4 | 874 | LINK_STATS_INC(link.drop); |
mbed_official | 0:51ac1d130fd4 | 875 | snmp_inc_ifoutdiscards(netif); |
mbed_official | 0:51ac1d130fd4 | 876 | pbuf_free(headMB); |
mbed_official | 0:51ac1d130fd4 | 877 | return ERR_VAL; |
mbed_official | 0:51ac1d130fd4 | 878 | } |
mbed_official | 0:51ac1d130fd4 | 879 | } |
mbed_official | 0:51ac1d130fd4 | 880 | #endif /* VJ_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 881 | |
mbed_official | 0:51ac1d130fd4 | 882 | tailMB = headMB; |
mbed_official | 0:51ac1d130fd4 | 883 | |
mbed_official | 0:51ac1d130fd4 | 884 | /* Build the PPP header. */ |
mbed_official | 0:51ac1d130fd4 | 885 | if ((sys_jiffies() - pc->lastXMit) >= PPP_MAXIDLEFLAG) { |
mbed_official | 0:51ac1d130fd4 | 886 | tailMB = pppAppend(PPP_FLAG, tailMB, NULL); |
mbed_official | 0:51ac1d130fd4 | 887 | } |
mbed_official | 0:51ac1d130fd4 | 888 | |
mbed_official | 0:51ac1d130fd4 | 889 | pc->lastXMit = sys_jiffies(); |
mbed_official | 0:51ac1d130fd4 | 890 | if (!pc->accomp) { |
mbed_official | 0:51ac1d130fd4 | 891 | fcsOut = PPP_FCS(fcsOut, PPP_ALLSTATIONS); |
mbed_official | 0:51ac1d130fd4 | 892 | tailMB = pppAppend(PPP_ALLSTATIONS, tailMB, &pc->outACCM); |
mbed_official | 0:51ac1d130fd4 | 893 | fcsOut = PPP_FCS(fcsOut, PPP_UI); |
mbed_official | 0:51ac1d130fd4 | 894 | tailMB = pppAppend(PPP_UI, tailMB, &pc->outACCM); |
mbed_official | 0:51ac1d130fd4 | 895 | } |
mbed_official | 0:51ac1d130fd4 | 896 | if (!pc->pcomp || protocol > 0xFF) { |
mbed_official | 0:51ac1d130fd4 | 897 | c = (protocol >> 8) & 0xFF; |
mbed_official | 0:51ac1d130fd4 | 898 | fcsOut = PPP_FCS(fcsOut, c); |
mbed_official | 0:51ac1d130fd4 | 899 | tailMB = pppAppend(c, tailMB, &pc->outACCM); |
mbed_official | 0:51ac1d130fd4 | 900 | } |
mbed_official | 0:51ac1d130fd4 | 901 | c = protocol & 0xFF; |
mbed_official | 0:51ac1d130fd4 | 902 | fcsOut = PPP_FCS(fcsOut, c); |
mbed_official | 0:51ac1d130fd4 | 903 | tailMB = pppAppend(c, tailMB, &pc->outACCM); |
mbed_official | 0:51ac1d130fd4 | 904 | |
mbed_official | 0:51ac1d130fd4 | 905 | /* Load packet. */ |
mbed_official | 0:51ac1d130fd4 | 906 | for(p = pb; p; p = p->next) { |
mbed_official | 0:51ac1d130fd4 | 907 | int n; |
mbed_official | 0:51ac1d130fd4 | 908 | u_char *sPtr; |
mbed_official | 0:51ac1d130fd4 | 909 | |
mbed_official | 0:51ac1d130fd4 | 910 | sPtr = (u_char*)p->payload; |
mbed_official | 0:51ac1d130fd4 | 911 | n = p->len; |
mbed_official | 0:51ac1d130fd4 | 912 | while (n-- > 0) { |
mbed_official | 0:51ac1d130fd4 | 913 | c = *sPtr++; |
mbed_official | 0:51ac1d130fd4 | 914 | |
mbed_official | 0:51ac1d130fd4 | 915 | /* Update FCS before checking for special characters. */ |
mbed_official | 0:51ac1d130fd4 | 916 | fcsOut = PPP_FCS(fcsOut, c); |
mbed_official | 0:51ac1d130fd4 | 917 | |
mbed_official | 0:51ac1d130fd4 | 918 | /* Copy to output buffer escaping special characters. */ |
mbed_official | 0:51ac1d130fd4 | 919 | tailMB = pppAppend(c, tailMB, &pc->outACCM); |
mbed_official | 0:51ac1d130fd4 | 920 | } |
mbed_official | 0:51ac1d130fd4 | 921 | } |
mbed_official | 0:51ac1d130fd4 | 922 | |
mbed_official | 0:51ac1d130fd4 | 923 | /* Add FCS and trailing flag. */ |
mbed_official | 0:51ac1d130fd4 | 924 | c = ~fcsOut & 0xFF; |
mbed_official | 0:51ac1d130fd4 | 925 | tailMB = pppAppend(c, tailMB, &pc->outACCM); |
mbed_official | 0:51ac1d130fd4 | 926 | c = (~fcsOut >> 8) & 0xFF; |
mbed_official | 0:51ac1d130fd4 | 927 | tailMB = pppAppend(c, tailMB, &pc->outACCM); |
mbed_official | 0:51ac1d130fd4 | 928 | tailMB = pppAppend(PPP_FLAG, tailMB, NULL); |
mbed_official | 0:51ac1d130fd4 | 929 | |
mbed_official | 0:51ac1d130fd4 | 930 | /* If we failed to complete the packet, throw it away. */ |
mbed_official | 0:51ac1d130fd4 | 931 | if (!tailMB) { |
mbed_official | 0:51ac1d130fd4 | 932 | PPPDEBUG(LOG_WARNING, |
mbed_official | 0:51ac1d130fd4 | 933 | ("pppifOutput[%d]: Alloc err - dropping proto=%d\n", |
mbed_official | 0:51ac1d130fd4 | 934 | pd, protocol)); |
mbed_official | 0:51ac1d130fd4 | 935 | pbuf_free(headMB); |
mbed_official | 0:51ac1d130fd4 | 936 | LINK_STATS_INC(link.memerr); |
mbed_official | 0:51ac1d130fd4 | 937 | LINK_STATS_INC(link.drop); |
mbed_official | 0:51ac1d130fd4 | 938 | snmp_inc_ifoutdiscards(netif); |
mbed_official | 0:51ac1d130fd4 | 939 | return ERR_MEM; |
mbed_official | 0:51ac1d130fd4 | 940 | } |
mbed_official | 0:51ac1d130fd4 | 941 | |
mbed_official | 0:51ac1d130fd4 | 942 | /* Send it. */ |
mbed_official | 0:51ac1d130fd4 | 943 | PPPDEBUG(LOG_INFO, ("pppifOutput[%d]: proto=0x%"X16_F"\n", pd, protocol)); |
mbed_official | 0:51ac1d130fd4 | 944 | |
mbed_official | 0:51ac1d130fd4 | 945 | nPut(pc, headMB); |
mbed_official | 0:51ac1d130fd4 | 946 | #endif /* PPPOS_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 947 | |
mbed_official | 0:51ac1d130fd4 | 948 | return ERR_OK; |
mbed_official | 0:51ac1d130fd4 | 949 | } |
mbed_official | 0:51ac1d130fd4 | 950 | |
mbed_official | 0:51ac1d130fd4 | 951 | /* Get and set parameters for the given connection. |
mbed_official | 0:51ac1d130fd4 | 952 | * Return 0 on success, an error code on failure. */ |
mbed_official | 0:51ac1d130fd4 | 953 | int |
mbed_official | 0:51ac1d130fd4 | 954 | pppIOCtl(int pd, int cmd, void *arg) |
mbed_official | 0:51ac1d130fd4 | 955 | { |
mbed_official | 0:51ac1d130fd4 | 956 | PPPControl *pc = &pppControl[pd]; |
mbed_official | 0:51ac1d130fd4 | 957 | int st = 0; |
mbed_official | 0:51ac1d130fd4 | 958 | |
mbed_official | 0:51ac1d130fd4 | 959 | if (pd < 0 || pd >= NUM_PPP) { |
mbed_official | 0:51ac1d130fd4 | 960 | st = PPPERR_PARAM; |
mbed_official | 0:51ac1d130fd4 | 961 | } else { |
mbed_official | 0:51ac1d130fd4 | 962 | switch(cmd) { |
mbed_official | 0:51ac1d130fd4 | 963 | case PPPCTLG_UPSTATUS: /* Get the PPP up status. */ |
mbed_official | 0:51ac1d130fd4 | 964 | if (arg) { |
mbed_official | 0:51ac1d130fd4 | 965 | *(int *)arg = (int)(pc->if_up); |
mbed_official | 0:51ac1d130fd4 | 966 | } else { |
mbed_official | 0:51ac1d130fd4 | 967 | st = PPPERR_PARAM; |
mbed_official | 0:51ac1d130fd4 | 968 | } |
mbed_official | 0:51ac1d130fd4 | 969 | break; |
mbed_official | 0:51ac1d130fd4 | 970 | case PPPCTLS_ERRCODE: /* Set the PPP error code. */ |
mbed_official | 0:51ac1d130fd4 | 971 | if (arg) { |
mbed_official | 0:51ac1d130fd4 | 972 | pc->errCode = *(int *)arg; |
mbed_official | 0:51ac1d130fd4 | 973 | } else { |
mbed_official | 0:51ac1d130fd4 | 974 | st = PPPERR_PARAM; |
mbed_official | 0:51ac1d130fd4 | 975 | } |
mbed_official | 0:51ac1d130fd4 | 976 | break; |
mbed_official | 0:51ac1d130fd4 | 977 | case PPPCTLG_ERRCODE: /* Get the PPP error code. */ |
mbed_official | 0:51ac1d130fd4 | 978 | if (arg) { |
mbed_official | 0:51ac1d130fd4 | 979 | *(int *)arg = (int)(pc->errCode); |
mbed_official | 0:51ac1d130fd4 | 980 | } else { |
mbed_official | 0:51ac1d130fd4 | 981 | st = PPPERR_PARAM; |
mbed_official | 0:51ac1d130fd4 | 982 | } |
mbed_official | 0:51ac1d130fd4 | 983 | break; |
mbed_official | 0:51ac1d130fd4 | 984 | #if PPPOS_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 985 | case PPPCTLG_FD: /* Get the fd associated with the ppp */ |
mbed_official | 0:51ac1d130fd4 | 986 | if (arg) { |
mbed_official | 0:51ac1d130fd4 | 987 | *(sio_fd_t *)arg = pc->fd; |
mbed_official | 0:51ac1d130fd4 | 988 | } else { |
mbed_official | 0:51ac1d130fd4 | 989 | st = PPPERR_PARAM; |
mbed_official | 0:51ac1d130fd4 | 990 | } |
mbed_official | 0:51ac1d130fd4 | 991 | break; |
mbed_official | 0:51ac1d130fd4 | 992 | #endif /* PPPOS_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 993 | default: |
mbed_official | 0:51ac1d130fd4 | 994 | st = PPPERR_PARAM; |
mbed_official | 0:51ac1d130fd4 | 995 | break; |
mbed_official | 0:51ac1d130fd4 | 996 | } |
mbed_official | 0:51ac1d130fd4 | 997 | } |
mbed_official | 0:51ac1d130fd4 | 998 | |
mbed_official | 0:51ac1d130fd4 | 999 | return st; |
mbed_official | 0:51ac1d130fd4 | 1000 | } |
mbed_official | 0:51ac1d130fd4 | 1001 | |
mbed_official | 0:51ac1d130fd4 | 1002 | /* |
mbed_official | 0:51ac1d130fd4 | 1003 | * Return the Maximum Transmission Unit for the given PPP connection. |
mbed_official | 0:51ac1d130fd4 | 1004 | */ |
mbed_official | 0:51ac1d130fd4 | 1005 | u_short |
mbed_official | 0:51ac1d130fd4 | 1006 | pppMTU(int pd) |
mbed_official | 0:51ac1d130fd4 | 1007 | { |
mbed_official | 0:51ac1d130fd4 | 1008 | PPPControl *pc = &pppControl[pd]; |
mbed_official | 0:51ac1d130fd4 | 1009 | u_short st; |
mbed_official | 0:51ac1d130fd4 | 1010 | |
mbed_official | 0:51ac1d130fd4 | 1011 | /* Validate parameters. */ |
mbed_official | 0:51ac1d130fd4 | 1012 | if (pd < 0 || pd >= NUM_PPP || !pc->openFlag) { |
mbed_official | 0:51ac1d130fd4 | 1013 | st = 0; |
mbed_official | 0:51ac1d130fd4 | 1014 | } else { |
mbed_official | 0:51ac1d130fd4 | 1015 | st = pc->mtu; |
mbed_official | 0:51ac1d130fd4 | 1016 | } |
mbed_official | 0:51ac1d130fd4 | 1017 | |
mbed_official | 0:51ac1d130fd4 | 1018 | return st; |
mbed_official | 0:51ac1d130fd4 | 1019 | } |
mbed_official | 0:51ac1d130fd4 | 1020 | |
mbed_official | 0:51ac1d130fd4 | 1021 | #if PPPOE_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 1022 | int |
mbed_official | 0:51ac1d130fd4 | 1023 | pppWriteOverEthernet(int pd, const u_char *s, int n) |
mbed_official | 0:51ac1d130fd4 | 1024 | { |
mbed_official | 0:51ac1d130fd4 | 1025 | PPPControl *pc = &pppControl[pd]; |
mbed_official | 0:51ac1d130fd4 | 1026 | struct pbuf *pb; |
mbed_official | 0:51ac1d130fd4 | 1027 | |
mbed_official | 0:51ac1d130fd4 | 1028 | /* skip address & flags */ |
mbed_official | 0:51ac1d130fd4 | 1029 | s += 2; |
mbed_official | 0:51ac1d130fd4 | 1030 | n -= 2; |
mbed_official | 0:51ac1d130fd4 | 1031 | |
mbed_official | 0:51ac1d130fd4 | 1032 | LWIP_ASSERT("PPPOE_HDRLEN + n <= 0xffff", PPPOE_HDRLEN + n <= 0xffff); |
mbed_official | 0:51ac1d130fd4 | 1033 | pb = pbuf_alloc(PBUF_LINK, (u16_t)(PPPOE_HDRLEN + n), PBUF_RAM); |
mbed_official | 0:51ac1d130fd4 | 1034 | if(!pb) { |
mbed_official | 0:51ac1d130fd4 | 1035 | LINK_STATS_INC(link.memerr); |
mbed_official | 0:51ac1d130fd4 | 1036 | LINK_STATS_INC(link.proterr); |
mbed_official | 0:51ac1d130fd4 | 1037 | snmp_inc_ifoutdiscards(&pc->netif); |
mbed_official | 0:51ac1d130fd4 | 1038 | return PPPERR_ALLOC; |
mbed_official | 0:51ac1d130fd4 | 1039 | } |
mbed_official | 0:51ac1d130fd4 | 1040 | |
mbed_official | 0:51ac1d130fd4 | 1041 | pbuf_header(pb, -(s16_t)PPPOE_HDRLEN); |
mbed_official | 0:51ac1d130fd4 | 1042 | |
mbed_official | 0:51ac1d130fd4 | 1043 | pc->lastXMit = sys_jiffies(); |
mbed_official | 0:51ac1d130fd4 | 1044 | |
mbed_official | 0:51ac1d130fd4 | 1045 | MEMCPY(pb->payload, s, n); |
mbed_official | 0:51ac1d130fd4 | 1046 | |
mbed_official | 0:51ac1d130fd4 | 1047 | if(pppoe_xmit(pc->pppoe_sc, pb) != ERR_OK) { |
mbed_official | 0:51ac1d130fd4 | 1048 | LINK_STATS_INC(link.err); |
mbed_official | 0:51ac1d130fd4 | 1049 | snmp_inc_ifoutdiscards(&pc->netif); |
mbed_official | 0:51ac1d130fd4 | 1050 | return PPPERR_DEVICE; |
mbed_official | 0:51ac1d130fd4 | 1051 | } |
mbed_official | 0:51ac1d130fd4 | 1052 | |
mbed_official | 0:51ac1d130fd4 | 1053 | snmp_add_ifoutoctets(&pc->netif, (u16_t)n); |
mbed_official | 0:51ac1d130fd4 | 1054 | snmp_inc_ifoutucastpkts(&pc->netif); |
mbed_official | 0:51ac1d130fd4 | 1055 | LINK_STATS_INC(link.xmit); |
mbed_official | 0:51ac1d130fd4 | 1056 | return PPPERR_NONE; |
mbed_official | 0:51ac1d130fd4 | 1057 | } |
mbed_official | 0:51ac1d130fd4 | 1058 | #endif /* PPPOE_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 1059 | |
mbed_official | 0:51ac1d130fd4 | 1060 | /* |
mbed_official | 0:51ac1d130fd4 | 1061 | * Write n characters to a ppp link. |
mbed_official | 0:51ac1d130fd4 | 1062 | * RETURN: >= 0 Number of characters written |
mbed_official | 0:51ac1d130fd4 | 1063 | * -1 Failed to write to device |
mbed_official | 0:51ac1d130fd4 | 1064 | */ |
mbed_official | 0:51ac1d130fd4 | 1065 | int |
mbed_official | 0:51ac1d130fd4 | 1066 | pppWrite(int pd, const u_char *s, int n) |
mbed_official | 0:51ac1d130fd4 | 1067 | { |
mbed_official | 0:51ac1d130fd4 | 1068 | PPPControl *pc = &pppControl[pd]; |
mbed_official | 0:51ac1d130fd4 | 1069 | #if PPPOS_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 1070 | u_char c; |
mbed_official | 0:51ac1d130fd4 | 1071 | u_int fcsOut; |
mbed_official | 0:51ac1d130fd4 | 1072 | struct pbuf *headMB, *tailMB; |
mbed_official | 0:51ac1d130fd4 | 1073 | #endif /* PPPOS_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 1074 | |
mbed_official | 0:51ac1d130fd4 | 1075 | #if PPPOE_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 1076 | if(pc->ethif) { |
mbed_official | 0:51ac1d130fd4 | 1077 | return pppWriteOverEthernet(pd, s, n); |
mbed_official | 0:51ac1d130fd4 | 1078 | } |
mbed_official | 0:51ac1d130fd4 | 1079 | #endif /* PPPOE_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 1080 | |
mbed_official | 0:51ac1d130fd4 | 1081 | #if PPPOS_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 1082 | headMB = pbuf_alloc(PBUF_RAW, 0, PBUF_POOL); |
mbed_official | 0:51ac1d130fd4 | 1083 | if (headMB == NULL) { |
mbed_official | 0:51ac1d130fd4 | 1084 | LINK_STATS_INC(link.memerr); |
mbed_official | 0:51ac1d130fd4 | 1085 | LINK_STATS_INC(link.proterr); |
mbed_official | 0:51ac1d130fd4 | 1086 | snmp_inc_ifoutdiscards(&pc->netif); |
mbed_official | 0:51ac1d130fd4 | 1087 | return PPPERR_ALLOC; |
mbed_official | 0:51ac1d130fd4 | 1088 | } |
mbed_official | 0:51ac1d130fd4 | 1089 | |
mbed_official | 0:51ac1d130fd4 | 1090 | tailMB = headMB; |
mbed_official | 0:51ac1d130fd4 | 1091 | |
mbed_official | 0:51ac1d130fd4 | 1092 | /* If the link has been idle, we'll send a fresh flag character to |
mbed_official | 0:51ac1d130fd4 | 1093 | * flush any noise. */ |
mbed_official | 0:51ac1d130fd4 | 1094 | if ((sys_jiffies() - pc->lastXMit) >= PPP_MAXIDLEFLAG) { |
mbed_official | 0:51ac1d130fd4 | 1095 | tailMB = pppAppend(PPP_FLAG, tailMB, NULL); |
mbed_official | 0:51ac1d130fd4 | 1096 | } |
mbed_official | 0:51ac1d130fd4 | 1097 | pc->lastXMit = sys_jiffies(); |
mbed_official | 0:51ac1d130fd4 | 1098 | |
mbed_official | 0:51ac1d130fd4 | 1099 | fcsOut = PPP_INITFCS; |
mbed_official | 0:51ac1d130fd4 | 1100 | /* Load output buffer. */ |
mbed_official | 0:51ac1d130fd4 | 1101 | while (n-- > 0) { |
mbed_official | 0:51ac1d130fd4 | 1102 | c = *s++; |
mbed_official | 0:51ac1d130fd4 | 1103 | |
mbed_official | 0:51ac1d130fd4 | 1104 | /* Update FCS before checking for special characters. */ |
mbed_official | 0:51ac1d130fd4 | 1105 | fcsOut = PPP_FCS(fcsOut, c); |
mbed_official | 0:51ac1d130fd4 | 1106 | |
mbed_official | 0:51ac1d130fd4 | 1107 | /* Copy to output buffer escaping special characters. */ |
mbed_official | 0:51ac1d130fd4 | 1108 | tailMB = pppAppend(c, tailMB, &pc->outACCM); |
mbed_official | 0:51ac1d130fd4 | 1109 | } |
mbed_official | 0:51ac1d130fd4 | 1110 | |
mbed_official | 0:51ac1d130fd4 | 1111 | /* Add FCS and trailing flag. */ |
mbed_official | 0:51ac1d130fd4 | 1112 | c = ~fcsOut & 0xFF; |
mbed_official | 0:51ac1d130fd4 | 1113 | tailMB = pppAppend(c, tailMB, &pc->outACCM); |
mbed_official | 0:51ac1d130fd4 | 1114 | c = (~fcsOut >> 8) & 0xFF; |
mbed_official | 0:51ac1d130fd4 | 1115 | tailMB = pppAppend(c, tailMB, &pc->outACCM); |
mbed_official | 0:51ac1d130fd4 | 1116 | tailMB = pppAppend(PPP_FLAG, tailMB, NULL); |
mbed_official | 0:51ac1d130fd4 | 1117 | |
mbed_official | 0:51ac1d130fd4 | 1118 | /* If we failed to complete the packet, throw it away. |
mbed_official | 0:51ac1d130fd4 | 1119 | * Otherwise send it. */ |
mbed_official | 0:51ac1d130fd4 | 1120 | if (!tailMB) { |
mbed_official | 0:51ac1d130fd4 | 1121 | PPPDEBUG(LOG_WARNING, |
mbed_official | 0:51ac1d130fd4 | 1122 | ("pppWrite[%d]: Alloc err - dropping pbuf len=%d\n", pd, headMB->len)); |
mbed_official | 0:51ac1d130fd4 | 1123 | /*"pppWrite[%d]: Alloc err - dropping %d:%.*H", pd, headMB->len, LWIP_MIN(headMB->len * 2, 40), headMB->payload)); */ |
mbed_official | 0:51ac1d130fd4 | 1124 | pbuf_free(headMB); |
mbed_official | 0:51ac1d130fd4 | 1125 | LINK_STATS_INC(link.memerr); |
mbed_official | 0:51ac1d130fd4 | 1126 | LINK_STATS_INC(link.proterr); |
mbed_official | 0:51ac1d130fd4 | 1127 | snmp_inc_ifoutdiscards(&pc->netif); |
mbed_official | 0:51ac1d130fd4 | 1128 | return PPPERR_ALLOC; |
mbed_official | 0:51ac1d130fd4 | 1129 | } |
mbed_official | 0:51ac1d130fd4 | 1130 | |
mbed_official | 0:51ac1d130fd4 | 1131 | PPPDEBUG(LOG_INFO, ("pppWrite[%d]: len=%d\n", pd, headMB->len)); |
mbed_official | 0:51ac1d130fd4 | 1132 | /* "pppWrite[%d]: %d:%.*H", pd, headMB->len, LWIP_MIN(headMB->len * 2, 40), headMB->payload)); */ |
mbed_official | 0:51ac1d130fd4 | 1133 | nPut(pc, headMB); |
mbed_official | 0:51ac1d130fd4 | 1134 | #endif /* PPPOS_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 1135 | |
mbed_official | 0:51ac1d130fd4 | 1136 | return PPPERR_NONE; |
mbed_official | 0:51ac1d130fd4 | 1137 | } |
mbed_official | 0:51ac1d130fd4 | 1138 | |
mbed_official | 0:51ac1d130fd4 | 1139 | /* |
mbed_official | 0:51ac1d130fd4 | 1140 | * ppp_send_config - configure the transmit characteristics of |
mbed_official | 0:51ac1d130fd4 | 1141 | * the ppp interface. |
mbed_official | 0:51ac1d130fd4 | 1142 | */ |
mbed_official | 0:51ac1d130fd4 | 1143 | void |
mbed_official | 0:51ac1d130fd4 | 1144 | ppp_send_config( int unit, u16_t mtu, u32_t asyncmap, int pcomp, int accomp) |
mbed_official | 0:51ac1d130fd4 | 1145 | { |
mbed_official | 0:51ac1d130fd4 | 1146 | PPPControl *pc = &pppControl[unit]; |
mbed_official | 0:51ac1d130fd4 | 1147 | int i; |
mbed_official | 0:51ac1d130fd4 | 1148 | |
mbed_official | 0:51ac1d130fd4 | 1149 | pc->mtu = mtu; |
mbed_official | 0:51ac1d130fd4 | 1150 | pc->pcomp = pcomp; |
mbed_official | 0:51ac1d130fd4 | 1151 | pc->accomp = accomp; |
mbed_official | 0:51ac1d130fd4 | 1152 | |
mbed_official | 0:51ac1d130fd4 | 1153 | /* Load the ACCM bits for the 32 control codes. */ |
mbed_official | 0:51ac1d130fd4 | 1154 | for (i = 0; i < 32/8; i++) { |
mbed_official | 0:51ac1d130fd4 | 1155 | pc->outACCM[i] = (u_char)((asyncmap >> (8 * i)) & 0xFF); |
mbed_official | 0:51ac1d130fd4 | 1156 | } |
mbed_official | 0:51ac1d130fd4 | 1157 | PPPDEBUG(LOG_INFO, ("ppp_send_config[%d]: outACCM=%X %X %X %X\n", |
mbed_official | 0:51ac1d130fd4 | 1158 | unit, |
mbed_official | 0:51ac1d130fd4 | 1159 | pc->outACCM[0], pc->outACCM[1], pc->outACCM[2], pc->outACCM[3])); |
mbed_official | 0:51ac1d130fd4 | 1160 | } |
mbed_official | 0:51ac1d130fd4 | 1161 | |
mbed_official | 0:51ac1d130fd4 | 1162 | |
mbed_official | 0:51ac1d130fd4 | 1163 | /* |
mbed_official | 0:51ac1d130fd4 | 1164 | * ppp_set_xaccm - set the extended transmit ACCM for the interface. |
mbed_official | 0:51ac1d130fd4 | 1165 | */ |
mbed_official | 0:51ac1d130fd4 | 1166 | void |
mbed_official | 0:51ac1d130fd4 | 1167 | ppp_set_xaccm(int unit, ext_accm *accm) |
mbed_official | 0:51ac1d130fd4 | 1168 | { |
mbed_official | 0:51ac1d130fd4 | 1169 | SMEMCPY(pppControl[unit].outACCM, accm, sizeof(ext_accm)); |
mbed_official | 0:51ac1d130fd4 | 1170 | PPPDEBUG(LOG_INFO, ("ppp_set_xaccm[%d]: outACCM=%X %X %X %X\n", |
mbed_official | 0:51ac1d130fd4 | 1171 | unit, |
mbed_official | 0:51ac1d130fd4 | 1172 | pppControl[unit].outACCM[0], |
mbed_official | 0:51ac1d130fd4 | 1173 | pppControl[unit].outACCM[1], |
mbed_official | 0:51ac1d130fd4 | 1174 | pppControl[unit].outACCM[2], |
mbed_official | 0:51ac1d130fd4 | 1175 | pppControl[unit].outACCM[3])); |
mbed_official | 0:51ac1d130fd4 | 1176 | } |
mbed_official | 0:51ac1d130fd4 | 1177 | |
mbed_official | 0:51ac1d130fd4 | 1178 | |
mbed_official | 0:51ac1d130fd4 | 1179 | /* |
mbed_official | 0:51ac1d130fd4 | 1180 | * ppp_recv_config - configure the receive-side characteristics of |
mbed_official | 0:51ac1d130fd4 | 1181 | * the ppp interface. |
mbed_official | 0:51ac1d130fd4 | 1182 | */ |
mbed_official | 0:51ac1d130fd4 | 1183 | void |
mbed_official | 0:51ac1d130fd4 | 1184 | ppp_recv_config( int unit, int mru, u32_t asyncmap, int pcomp, int accomp) |
mbed_official | 0:51ac1d130fd4 | 1185 | { |
mbed_official | 0:51ac1d130fd4 | 1186 | PPPControl *pc = &pppControl[unit]; |
mbed_official | 0:51ac1d130fd4 | 1187 | int i; |
mbed_official | 0:51ac1d130fd4 | 1188 | SYS_ARCH_DECL_PROTECT(lev); |
mbed_official | 0:51ac1d130fd4 | 1189 | |
mbed_official | 0:51ac1d130fd4 | 1190 | LWIP_UNUSED_ARG(accomp); |
mbed_official | 0:51ac1d130fd4 | 1191 | LWIP_UNUSED_ARG(pcomp); |
mbed_official | 0:51ac1d130fd4 | 1192 | LWIP_UNUSED_ARG(mru); |
mbed_official | 0:51ac1d130fd4 | 1193 | |
mbed_official | 0:51ac1d130fd4 | 1194 | /* Load the ACCM bits for the 32 control codes. */ |
mbed_official | 0:51ac1d130fd4 | 1195 | SYS_ARCH_PROTECT(lev); |
mbed_official | 0:51ac1d130fd4 | 1196 | for (i = 0; i < 32 / 8; i++) { |
mbed_official | 0:51ac1d130fd4 | 1197 | /* @todo: does this work? ext_accm has been modified from pppd! */ |
mbed_official | 0:51ac1d130fd4 | 1198 | pc->rx.inACCM[i] = (u_char)(asyncmap >> (i * 8)); |
mbed_official | 0:51ac1d130fd4 | 1199 | } |
mbed_official | 0:51ac1d130fd4 | 1200 | SYS_ARCH_UNPROTECT(lev); |
mbed_official | 0:51ac1d130fd4 | 1201 | PPPDEBUG(LOG_INFO, ("ppp_recv_config[%d]: inACCM=%X %X %X %X\n", |
mbed_official | 0:51ac1d130fd4 | 1202 | unit, |
mbed_official | 0:51ac1d130fd4 | 1203 | pc->rx.inACCM[0], pc->rx.inACCM[1], pc->rx.inACCM[2], pc->rx.inACCM[3])); |
mbed_official | 0:51ac1d130fd4 | 1204 | } |
mbed_official | 0:51ac1d130fd4 | 1205 | |
mbed_official | 0:51ac1d130fd4 | 1206 | #if 0 |
mbed_official | 0:51ac1d130fd4 | 1207 | /* |
mbed_official | 0:51ac1d130fd4 | 1208 | * ccp_test - ask kernel whether a given compression method |
mbed_official | 0:51ac1d130fd4 | 1209 | * is acceptable for use. Returns 1 if the method and parameters |
mbed_official | 0:51ac1d130fd4 | 1210 | * are OK, 0 if the method is known but the parameters are not OK |
mbed_official | 0:51ac1d130fd4 | 1211 | * (e.g. code size should be reduced), or -1 if the method is unknown. |
mbed_official | 0:51ac1d130fd4 | 1212 | */ |
mbed_official | 0:51ac1d130fd4 | 1213 | int |
mbed_official | 0:51ac1d130fd4 | 1214 | ccp_test( int unit, int opt_len, int for_transmit, u_char *opt_ptr) |
mbed_official | 0:51ac1d130fd4 | 1215 | { |
mbed_official | 0:51ac1d130fd4 | 1216 | return 0; /* XXX Currently no compression. */ |
mbed_official | 0:51ac1d130fd4 | 1217 | } |
mbed_official | 0:51ac1d130fd4 | 1218 | |
mbed_official | 0:51ac1d130fd4 | 1219 | /* |
mbed_official | 0:51ac1d130fd4 | 1220 | * ccp_flags_set - inform kernel about the current state of CCP. |
mbed_official | 0:51ac1d130fd4 | 1221 | */ |
mbed_official | 0:51ac1d130fd4 | 1222 | void |
mbed_official | 0:51ac1d130fd4 | 1223 | ccp_flags_set(int unit, int isopen, int isup) |
mbed_official | 0:51ac1d130fd4 | 1224 | { |
mbed_official | 0:51ac1d130fd4 | 1225 | /* XXX */ |
mbed_official | 0:51ac1d130fd4 | 1226 | } |
mbed_official | 0:51ac1d130fd4 | 1227 | |
mbed_official | 0:51ac1d130fd4 | 1228 | /* |
mbed_official | 0:51ac1d130fd4 | 1229 | * ccp_fatal_error - returns 1 if decompression was disabled as a |
mbed_official | 0:51ac1d130fd4 | 1230 | * result of an error detected after decompression of a packet, |
mbed_official | 0:51ac1d130fd4 | 1231 | * 0 otherwise. This is necessary because of patent nonsense. |
mbed_official | 0:51ac1d130fd4 | 1232 | */ |
mbed_official | 0:51ac1d130fd4 | 1233 | int |
mbed_official | 0:51ac1d130fd4 | 1234 | ccp_fatal_error(int unit) |
mbed_official | 0:51ac1d130fd4 | 1235 | { |
mbed_official | 0:51ac1d130fd4 | 1236 | /* XXX */ |
mbed_official | 0:51ac1d130fd4 | 1237 | return 0; |
mbed_official | 0:51ac1d130fd4 | 1238 | } |
mbed_official | 0:51ac1d130fd4 | 1239 | #endif |
mbed_official | 0:51ac1d130fd4 | 1240 | |
mbed_official | 0:51ac1d130fd4 | 1241 | /* |
mbed_official | 0:51ac1d130fd4 | 1242 | * get_idle_time - return how long the link has been idle. |
mbed_official | 0:51ac1d130fd4 | 1243 | */ |
mbed_official | 0:51ac1d130fd4 | 1244 | int |
mbed_official | 0:51ac1d130fd4 | 1245 | get_idle_time(int u, struct ppp_idle *ip) |
mbed_official | 0:51ac1d130fd4 | 1246 | { |
mbed_official | 0:51ac1d130fd4 | 1247 | /* XXX */ |
mbed_official | 0:51ac1d130fd4 | 1248 | LWIP_UNUSED_ARG(u); |
mbed_official | 0:51ac1d130fd4 | 1249 | LWIP_UNUSED_ARG(ip); |
mbed_official | 0:51ac1d130fd4 | 1250 | |
mbed_official | 0:51ac1d130fd4 | 1251 | return 0; |
mbed_official | 0:51ac1d130fd4 | 1252 | } |
mbed_official | 0:51ac1d130fd4 | 1253 | |
mbed_official | 0:51ac1d130fd4 | 1254 | |
mbed_official | 0:51ac1d130fd4 | 1255 | /* |
mbed_official | 0:51ac1d130fd4 | 1256 | * Return user specified netmask, modified by any mask we might determine |
mbed_official | 0:51ac1d130fd4 | 1257 | * for address `addr' (in network byte order). |
mbed_official | 0:51ac1d130fd4 | 1258 | * Here we scan through the system's list of interfaces, looking for |
mbed_official | 0:51ac1d130fd4 | 1259 | * any non-point-to-point interfaces which might appear to be on the same |
mbed_official | 0:51ac1d130fd4 | 1260 | * network as `addr'. If we find any, we OR in their netmask to the |
mbed_official | 0:51ac1d130fd4 | 1261 | * user-specified netmask. |
mbed_official | 0:51ac1d130fd4 | 1262 | */ |
mbed_official | 0:51ac1d130fd4 | 1263 | u32_t |
mbed_official | 0:51ac1d130fd4 | 1264 | GetMask(u32_t addr) |
mbed_official | 0:51ac1d130fd4 | 1265 | { |
mbed_official | 0:51ac1d130fd4 | 1266 | u32_t mask, nmask; |
mbed_official | 0:51ac1d130fd4 | 1267 | |
mbed_official | 0:51ac1d130fd4 | 1268 | htonl(addr); |
mbed_official | 0:51ac1d130fd4 | 1269 | if (IP_CLASSA(addr)) { /* determine network mask for address class */ |
mbed_official | 0:51ac1d130fd4 | 1270 | nmask = IP_CLASSA_NET; |
mbed_official | 0:51ac1d130fd4 | 1271 | } else if (IP_CLASSB(addr)) { |
mbed_official | 0:51ac1d130fd4 | 1272 | nmask = IP_CLASSB_NET; |
mbed_official | 0:51ac1d130fd4 | 1273 | } else { |
mbed_official | 0:51ac1d130fd4 | 1274 | nmask = IP_CLASSC_NET; |
mbed_official | 0:51ac1d130fd4 | 1275 | } |
mbed_official | 0:51ac1d130fd4 | 1276 | |
mbed_official | 0:51ac1d130fd4 | 1277 | /* class D nets are disallowed by bad_ip_adrs */ |
mbed_official | 0:51ac1d130fd4 | 1278 | mask = subnetMask | htonl(nmask); |
mbed_official | 0:51ac1d130fd4 | 1279 | |
mbed_official | 0:51ac1d130fd4 | 1280 | /* XXX |
mbed_official | 0:51ac1d130fd4 | 1281 | * Scan through the system's network interfaces. |
mbed_official | 0:51ac1d130fd4 | 1282 | * Get each netmask and OR them into our mask. |
mbed_official | 0:51ac1d130fd4 | 1283 | */ |
mbed_official | 0:51ac1d130fd4 | 1284 | |
mbed_official | 0:51ac1d130fd4 | 1285 | return mask; |
mbed_official | 0:51ac1d130fd4 | 1286 | } |
mbed_official | 0:51ac1d130fd4 | 1287 | |
mbed_official | 0:51ac1d130fd4 | 1288 | /* |
mbed_official | 0:51ac1d130fd4 | 1289 | * sifvjcomp - config tcp header compression |
mbed_official | 0:51ac1d130fd4 | 1290 | */ |
mbed_official | 0:51ac1d130fd4 | 1291 | int |
mbed_official | 0:51ac1d130fd4 | 1292 | sifvjcomp(int pd, int vjcomp, u8_t cidcomp, u8_t maxcid) |
mbed_official | 0:51ac1d130fd4 | 1293 | { |
mbed_official | 0:51ac1d130fd4 | 1294 | #if PPPOS_SUPPORT && VJ_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 1295 | PPPControl *pc = &pppControl[pd]; |
mbed_official | 0:51ac1d130fd4 | 1296 | |
mbed_official | 0:51ac1d130fd4 | 1297 | pc->vjEnabled = vjcomp; |
mbed_official | 0:51ac1d130fd4 | 1298 | pc->vjComp.compressSlot = cidcomp; |
mbed_official | 0:51ac1d130fd4 | 1299 | pc->vjComp.maxSlotIndex = maxcid; |
mbed_official | 0:51ac1d130fd4 | 1300 | PPPDEBUG(LOG_INFO, ("sifvjcomp: VJ compress enable=%d slot=%d max slot=%d\n", |
mbed_official | 0:51ac1d130fd4 | 1301 | vjcomp, cidcomp, maxcid)); |
mbed_official | 0:51ac1d130fd4 | 1302 | #else /* PPPOS_SUPPORT && VJ_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 1303 | LWIP_UNUSED_ARG(pd); |
mbed_official | 0:51ac1d130fd4 | 1304 | LWIP_UNUSED_ARG(vjcomp); |
mbed_official | 0:51ac1d130fd4 | 1305 | LWIP_UNUSED_ARG(cidcomp); |
mbed_official | 0:51ac1d130fd4 | 1306 | LWIP_UNUSED_ARG(maxcid); |
mbed_official | 0:51ac1d130fd4 | 1307 | #endif /* PPPOS_SUPPORT && VJ_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 1308 | |
mbed_official | 0:51ac1d130fd4 | 1309 | return 0; |
mbed_official | 0:51ac1d130fd4 | 1310 | } |
mbed_official | 0:51ac1d130fd4 | 1311 | |
mbed_official | 0:51ac1d130fd4 | 1312 | /* |
mbed_official | 0:51ac1d130fd4 | 1313 | * pppifNetifInit - netif init callback |
mbed_official | 0:51ac1d130fd4 | 1314 | */ |
mbed_official | 0:51ac1d130fd4 | 1315 | static err_t |
mbed_official | 0:51ac1d130fd4 | 1316 | pppifNetifInit(struct netif *netif) |
mbed_official | 0:51ac1d130fd4 | 1317 | { |
mbed_official | 0:51ac1d130fd4 | 1318 | netif->name[0] = 'p'; |
mbed_official | 0:51ac1d130fd4 | 1319 | netif->name[1] = 'p'; |
mbed_official | 0:51ac1d130fd4 | 1320 | netif->output = pppifOutput; |
mbed_official | 0:51ac1d130fd4 | 1321 | netif->mtu = pppMTU((int)(size_t)netif->state); |
mbed_official | 0:51ac1d130fd4 | 1322 | netif->flags = NETIF_FLAG_POINTTOPOINT | NETIF_FLAG_LINK_UP; |
mbed_official | 0:51ac1d130fd4 | 1323 | #if LWIP_NETIF_HOSTNAME |
mbed_official | 0:51ac1d130fd4 | 1324 | /* @todo: Initialize interface hostname */ |
mbed_official | 0:51ac1d130fd4 | 1325 | /* netif_set_hostname(netif, "lwip"); */ |
mbed_official | 0:51ac1d130fd4 | 1326 | #endif /* LWIP_NETIF_HOSTNAME */ |
mbed_official | 0:51ac1d130fd4 | 1327 | return ERR_OK; |
mbed_official | 0:51ac1d130fd4 | 1328 | } |
mbed_official | 0:51ac1d130fd4 | 1329 | |
mbed_official | 0:51ac1d130fd4 | 1330 | |
mbed_official | 0:51ac1d130fd4 | 1331 | /* |
mbed_official | 0:51ac1d130fd4 | 1332 | * sifup - Config the interface up and enable IP packets to pass. |
mbed_official | 0:51ac1d130fd4 | 1333 | */ |
mbed_official | 0:51ac1d130fd4 | 1334 | int |
mbed_official | 0:51ac1d130fd4 | 1335 | sifup(int pd) |
mbed_official | 0:51ac1d130fd4 | 1336 | { |
mbed_official | 0:51ac1d130fd4 | 1337 | PPPControl *pc = &pppControl[pd]; |
mbed_official | 0:51ac1d130fd4 | 1338 | int st = 1; |
mbed_official | 0:51ac1d130fd4 | 1339 | |
mbed_official | 0:51ac1d130fd4 | 1340 | if (pd < 0 || pd >= NUM_PPP || !pc->openFlag) { |
mbed_official | 0:51ac1d130fd4 | 1341 | st = 0; |
mbed_official | 0:51ac1d130fd4 | 1342 | PPPDEBUG(LOG_WARNING, ("sifup[%d]: bad parms\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 1343 | } else { |
mbed_official | 0:51ac1d130fd4 | 1344 | netif_remove(&pc->netif); |
mbed_official | 0:51ac1d130fd4 | 1345 | if (netif_add(&pc->netif, &pc->addrs.our_ipaddr, &pc->addrs.netmask, |
mbed_official | 0:51ac1d130fd4 | 1346 | &pc->addrs.his_ipaddr, (void *)(size_t)pd, pppifNetifInit, ip_input)) { |
mbed_official | 0:51ac1d130fd4 | 1347 | netif_set_up(&pc->netif); |
mbed_official | 0:51ac1d130fd4 | 1348 | pc->if_up = 1; |
mbed_official | 0:51ac1d130fd4 | 1349 | pc->errCode = PPPERR_NONE; |
mbed_official | 0:51ac1d130fd4 | 1350 | |
mbed_official | 0:51ac1d130fd4 | 1351 | PPPDEBUG(LOG_DEBUG, ("sifup: unit %d: linkStatusCB=%p errCode=%d\n", pd, pc->linkStatusCB, pc->errCode)); |
mbed_official | 0:51ac1d130fd4 | 1352 | if (pc->linkStatusCB) { |
mbed_official | 0:51ac1d130fd4 | 1353 | pc->linkStatusCB(pc->linkStatusCtx, pc->errCode, &pc->addrs); |
mbed_official | 0:51ac1d130fd4 | 1354 | } |
mbed_official | 0:51ac1d130fd4 | 1355 | } else { |
mbed_official | 0:51ac1d130fd4 | 1356 | st = 0; |
mbed_official | 0:51ac1d130fd4 | 1357 | PPPDEBUG(LOG_ERR, ("sifup[%d]: netif_add failed\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 1358 | } |
mbed_official | 0:51ac1d130fd4 | 1359 | } |
mbed_official | 0:51ac1d130fd4 | 1360 | |
mbed_official | 0:51ac1d130fd4 | 1361 | return st; |
mbed_official | 0:51ac1d130fd4 | 1362 | } |
mbed_official | 0:51ac1d130fd4 | 1363 | |
mbed_official | 0:51ac1d130fd4 | 1364 | /* |
mbed_official | 0:51ac1d130fd4 | 1365 | * sifnpmode - Set the mode for handling packets for a given NP. |
mbed_official | 0:51ac1d130fd4 | 1366 | */ |
mbed_official | 0:51ac1d130fd4 | 1367 | int |
mbed_official | 0:51ac1d130fd4 | 1368 | sifnpmode(int u, int proto, enum NPmode mode) |
mbed_official | 0:51ac1d130fd4 | 1369 | { |
mbed_official | 0:51ac1d130fd4 | 1370 | LWIP_UNUSED_ARG(u); |
mbed_official | 0:51ac1d130fd4 | 1371 | LWIP_UNUSED_ARG(proto); |
mbed_official | 0:51ac1d130fd4 | 1372 | LWIP_UNUSED_ARG(mode); |
mbed_official | 0:51ac1d130fd4 | 1373 | return 0; |
mbed_official | 0:51ac1d130fd4 | 1374 | } |
mbed_official | 0:51ac1d130fd4 | 1375 | |
mbed_official | 0:51ac1d130fd4 | 1376 | /* |
mbed_official | 0:51ac1d130fd4 | 1377 | * sifdown - Config the interface down and disable IP. |
mbed_official | 0:51ac1d130fd4 | 1378 | */ |
mbed_official | 0:51ac1d130fd4 | 1379 | int |
mbed_official | 0:51ac1d130fd4 | 1380 | sifdown(int pd) |
mbed_official | 0:51ac1d130fd4 | 1381 | { |
mbed_official | 0:51ac1d130fd4 | 1382 | PPPControl *pc = &pppControl[pd]; |
mbed_official | 0:51ac1d130fd4 | 1383 | int st = 1; |
mbed_official | 0:51ac1d130fd4 | 1384 | |
mbed_official | 0:51ac1d130fd4 | 1385 | if (pd < 0 || pd >= NUM_PPP || !pc->openFlag) { |
mbed_official | 0:51ac1d130fd4 | 1386 | st = 0; |
mbed_official | 0:51ac1d130fd4 | 1387 | PPPDEBUG(LOG_WARNING, ("sifdown[%d]: bad parms\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 1388 | } else { |
mbed_official | 0:51ac1d130fd4 | 1389 | pc->if_up = 0; |
mbed_official | 0:51ac1d130fd4 | 1390 | /* make sure the netif status callback is called */ |
mbed_official | 0:51ac1d130fd4 | 1391 | netif_set_down(&pc->netif); |
mbed_official | 0:51ac1d130fd4 | 1392 | netif_remove(&pc->netif); |
mbed_official | 0:51ac1d130fd4 | 1393 | PPPDEBUG(LOG_DEBUG, ("sifdown: unit %d: linkStatusCB=%p errCode=%d\n", pd, pc->linkStatusCB, pc->errCode)); |
mbed_official | 0:51ac1d130fd4 | 1394 | if (pc->linkStatusCB) { |
mbed_official | 0:51ac1d130fd4 | 1395 | pc->linkStatusCB(pc->linkStatusCtx, PPPERR_CONNECT, NULL); |
mbed_official | 0:51ac1d130fd4 | 1396 | } |
mbed_official | 0:51ac1d130fd4 | 1397 | } |
mbed_official | 0:51ac1d130fd4 | 1398 | return st; |
mbed_official | 0:51ac1d130fd4 | 1399 | } |
mbed_official | 0:51ac1d130fd4 | 1400 | |
mbed_official | 0:51ac1d130fd4 | 1401 | /** |
mbed_official | 0:51ac1d130fd4 | 1402 | * sifaddr - Config the interface IP addresses and netmask. |
mbed_official | 0:51ac1d130fd4 | 1403 | * @param pd Interface unit ??? |
mbed_official | 0:51ac1d130fd4 | 1404 | * @param o Our IP address ??? |
mbed_official | 0:51ac1d130fd4 | 1405 | * @param h His IP address ??? |
mbed_official | 0:51ac1d130fd4 | 1406 | * @param m IP subnet mask ??? |
mbed_official | 0:51ac1d130fd4 | 1407 | * @param ns1 Primary DNS |
mbed_official | 0:51ac1d130fd4 | 1408 | * @param ns2 Secondary DNS |
mbed_official | 0:51ac1d130fd4 | 1409 | */ |
mbed_official | 0:51ac1d130fd4 | 1410 | int |
mbed_official | 0:51ac1d130fd4 | 1411 | sifaddr( int pd, u32_t o, u32_t h, u32_t m, u32_t ns1, u32_t ns2) |
mbed_official | 0:51ac1d130fd4 | 1412 | { |
mbed_official | 0:51ac1d130fd4 | 1413 | PPPControl *pc = &pppControl[pd]; |
mbed_official | 0:51ac1d130fd4 | 1414 | int st = 1; |
mbed_official | 0:51ac1d130fd4 | 1415 | |
mbed_official | 0:51ac1d130fd4 | 1416 | if (pd < 0 || pd >= NUM_PPP || !pc->openFlag) { |
mbed_official | 0:51ac1d130fd4 | 1417 | st = 0; |
mbed_official | 0:51ac1d130fd4 | 1418 | PPPDEBUG(LOG_WARNING, ("sifup[%d]: bad parms\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 1419 | } else { |
mbed_official | 0:51ac1d130fd4 | 1420 | SMEMCPY(&pc->addrs.our_ipaddr, &o, sizeof(o)); |
mbed_official | 0:51ac1d130fd4 | 1421 | SMEMCPY(&pc->addrs.his_ipaddr, &h, sizeof(h)); |
mbed_official | 0:51ac1d130fd4 | 1422 | SMEMCPY(&pc->addrs.netmask, &m, sizeof(m)); |
mbed_official | 0:51ac1d130fd4 | 1423 | SMEMCPY(&pc->addrs.dns1, &ns1, sizeof(ns1)); |
mbed_official | 0:51ac1d130fd4 | 1424 | SMEMCPY(&pc->addrs.dns2, &ns2, sizeof(ns2)); |
mbed_official | 0:51ac1d130fd4 | 1425 | } |
mbed_official | 0:51ac1d130fd4 | 1426 | return st; |
mbed_official | 0:51ac1d130fd4 | 1427 | } |
mbed_official | 0:51ac1d130fd4 | 1428 | |
mbed_official | 0:51ac1d130fd4 | 1429 | /** |
mbed_official | 0:51ac1d130fd4 | 1430 | * cifaddr - Clear the interface IP addresses, and delete routes |
mbed_official | 0:51ac1d130fd4 | 1431 | * through the interface if possible. |
mbed_official | 0:51ac1d130fd4 | 1432 | * @param pd Interface unit ??? |
mbed_official | 0:51ac1d130fd4 | 1433 | * @param o Our IP address ??? |
mbed_official | 0:51ac1d130fd4 | 1434 | * @param h IP broadcast address ??? |
mbed_official | 0:51ac1d130fd4 | 1435 | */ |
mbed_official | 0:51ac1d130fd4 | 1436 | int |
mbed_official | 0:51ac1d130fd4 | 1437 | cifaddr( int pd, u32_t o, u32_t h) |
mbed_official | 0:51ac1d130fd4 | 1438 | { |
mbed_official | 0:51ac1d130fd4 | 1439 | PPPControl *pc = &pppControl[pd]; |
mbed_official | 0:51ac1d130fd4 | 1440 | int st = 1; |
mbed_official | 0:51ac1d130fd4 | 1441 | |
mbed_official | 0:51ac1d130fd4 | 1442 | LWIP_UNUSED_ARG(o); |
mbed_official | 0:51ac1d130fd4 | 1443 | LWIP_UNUSED_ARG(h); |
mbed_official | 0:51ac1d130fd4 | 1444 | if (pd < 0 || pd >= NUM_PPP || !pc->openFlag) { |
mbed_official | 0:51ac1d130fd4 | 1445 | st = 0; |
mbed_official | 0:51ac1d130fd4 | 1446 | PPPDEBUG(LOG_WARNING, ("sifup[%d]: bad parms\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 1447 | } else { |
mbed_official | 0:51ac1d130fd4 | 1448 | IP4_ADDR(&pc->addrs.our_ipaddr, 0,0,0,0); |
mbed_official | 0:51ac1d130fd4 | 1449 | IP4_ADDR(&pc->addrs.his_ipaddr, 0,0,0,0); |
mbed_official | 0:51ac1d130fd4 | 1450 | IP4_ADDR(&pc->addrs.netmask, 255,255,255,0); |
mbed_official | 0:51ac1d130fd4 | 1451 | IP4_ADDR(&pc->addrs.dns1, 0,0,0,0); |
mbed_official | 0:51ac1d130fd4 | 1452 | IP4_ADDR(&pc->addrs.dns2, 0,0,0,0); |
mbed_official | 0:51ac1d130fd4 | 1453 | } |
mbed_official | 0:51ac1d130fd4 | 1454 | return st; |
mbed_official | 0:51ac1d130fd4 | 1455 | } |
mbed_official | 0:51ac1d130fd4 | 1456 | |
mbed_official | 0:51ac1d130fd4 | 1457 | /* |
mbed_official | 0:51ac1d130fd4 | 1458 | * sifdefaultroute - assign a default route through the address given. |
mbed_official | 0:51ac1d130fd4 | 1459 | */ |
mbed_official | 0:51ac1d130fd4 | 1460 | int |
mbed_official | 0:51ac1d130fd4 | 1461 | sifdefaultroute(int pd, u32_t l, u32_t g) |
mbed_official | 0:51ac1d130fd4 | 1462 | { |
mbed_official | 0:51ac1d130fd4 | 1463 | PPPControl *pc = &pppControl[pd]; |
mbed_official | 0:51ac1d130fd4 | 1464 | int st = 1; |
mbed_official | 0:51ac1d130fd4 | 1465 | |
mbed_official | 0:51ac1d130fd4 | 1466 | LWIP_UNUSED_ARG(l); |
mbed_official | 0:51ac1d130fd4 | 1467 | LWIP_UNUSED_ARG(g); |
mbed_official | 0:51ac1d130fd4 | 1468 | |
mbed_official | 0:51ac1d130fd4 | 1469 | if (pd < 0 || pd >= NUM_PPP || !pc->openFlag) { |
mbed_official | 0:51ac1d130fd4 | 1470 | st = 0; |
mbed_official | 0:51ac1d130fd4 | 1471 | PPPDEBUG(LOG_WARNING, ("sifup[%d]: bad parms\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 1472 | } else { |
mbed_official | 0:51ac1d130fd4 | 1473 | netif_set_default(&pc->netif); |
mbed_official | 0:51ac1d130fd4 | 1474 | } |
mbed_official | 0:51ac1d130fd4 | 1475 | |
mbed_official | 0:51ac1d130fd4 | 1476 | /* TODO: check how PPP handled the netMask, previously not set by ipSetDefault */ |
mbed_official | 0:51ac1d130fd4 | 1477 | |
mbed_official | 0:51ac1d130fd4 | 1478 | return st; |
mbed_official | 0:51ac1d130fd4 | 1479 | } |
mbed_official | 0:51ac1d130fd4 | 1480 | |
mbed_official | 0:51ac1d130fd4 | 1481 | /* |
mbed_official | 0:51ac1d130fd4 | 1482 | * cifdefaultroute - delete a default route through the address given. |
mbed_official | 0:51ac1d130fd4 | 1483 | */ |
mbed_official | 0:51ac1d130fd4 | 1484 | int |
mbed_official | 0:51ac1d130fd4 | 1485 | cifdefaultroute(int pd, u32_t l, u32_t g) |
mbed_official | 0:51ac1d130fd4 | 1486 | { |
mbed_official | 0:51ac1d130fd4 | 1487 | PPPControl *pc = &pppControl[pd]; |
mbed_official | 0:51ac1d130fd4 | 1488 | int st = 1; |
mbed_official | 0:51ac1d130fd4 | 1489 | |
mbed_official | 0:51ac1d130fd4 | 1490 | LWIP_UNUSED_ARG(l); |
mbed_official | 0:51ac1d130fd4 | 1491 | LWIP_UNUSED_ARG(g); |
mbed_official | 0:51ac1d130fd4 | 1492 | |
mbed_official | 0:51ac1d130fd4 | 1493 | if (pd < 0 || pd >= NUM_PPP || !pc->openFlag) { |
mbed_official | 0:51ac1d130fd4 | 1494 | st = 0; |
mbed_official | 0:51ac1d130fd4 | 1495 | PPPDEBUG(LOG_WARNING, ("sifup[%d]: bad parms\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 1496 | } else { |
mbed_official | 0:51ac1d130fd4 | 1497 | netif_set_default(NULL); |
mbed_official | 0:51ac1d130fd4 | 1498 | } |
mbed_official | 0:51ac1d130fd4 | 1499 | |
mbed_official | 0:51ac1d130fd4 | 1500 | return st; |
mbed_official | 0:51ac1d130fd4 | 1501 | } |
mbed_official | 0:51ac1d130fd4 | 1502 | |
mbed_official | 0:51ac1d130fd4 | 1503 | /**********************************/ |
mbed_official | 0:51ac1d130fd4 | 1504 | /*** LOCAL FUNCTION DEFINITIONS ***/ |
mbed_official | 0:51ac1d130fd4 | 1505 | /**********************************/ |
mbed_official | 0:51ac1d130fd4 | 1506 | |
mbed_official | 0:51ac1d130fd4 | 1507 | #if PPPOS_SUPPORT && PPP_INPROC_OWNTHREAD |
mbed_official | 0:51ac1d130fd4 | 1508 | /* The main PPP process function. This implements the state machine according |
mbed_official | 0:51ac1d130fd4 | 1509 | * to section 4 of RFC 1661: The Point-To-Point Protocol. */ |
mbed_official | 0:51ac1d130fd4 | 1510 | static void |
mbed_official | 0:51ac1d130fd4 | 1511 | pppInputThread(void *arg) |
mbed_official | 0:51ac1d130fd4 | 1512 | { |
mbed_official | 0:51ac1d130fd4 | 1513 | int count; |
mbed_official | 0:51ac1d130fd4 | 1514 | PPPControlRx *pcrx = arg; |
mbed_official | 0:51ac1d130fd4 | 1515 | |
donatien | 4:f71f5d9d5846 | 1516 | do |
donatien | 4:f71f5d9d5846 | 1517 | { |
donatien | 4:f71f5d9d5846 | 1518 | sys_arch_mbox_fetch(&pppMbox, (void**)&pcrx, 0); //Wait indefinitely |
donatien | 4:f71f5d9d5846 | 1519 | |
mbed_official | 0:51ac1d130fd4 | 1520 | while (lcp_phase[pcrx->pd] != PHASE_DEAD) { |
mbed_official | 0:51ac1d130fd4 | 1521 | count = sio_read(pcrx->fd, pcrx->rxbuf, PPPOS_RX_BUFSIZE); |
mbed_official | 0:51ac1d130fd4 | 1522 | if(count > 0) { |
mbed_official | 0:51ac1d130fd4 | 1523 | pppInProc(pcrx, pcrx->rxbuf, count); |
mbed_official | 0:51ac1d130fd4 | 1524 | } else { |
mbed_official | 0:51ac1d130fd4 | 1525 | /* nothing received, give other tasks a chance to run */ |
mbed_official | 0:51ac1d130fd4 | 1526 | sys_msleep(1); |
mbed_official | 0:51ac1d130fd4 | 1527 | } |
mbed_official | 0:51ac1d130fd4 | 1528 | } |
donatien | 4:f71f5d9d5846 | 1529 | } while(1); //Never terminates |
mbed_official | 0:51ac1d130fd4 | 1530 | } |
mbed_official | 0:51ac1d130fd4 | 1531 | #endif /* PPPOS_SUPPORT && PPP_INPROC_OWNTHREAD */ |
mbed_official | 0:51ac1d130fd4 | 1532 | |
mbed_official | 0:51ac1d130fd4 | 1533 | #if PPPOE_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 1534 | |
mbed_official | 0:51ac1d130fd4 | 1535 | void |
mbed_official | 0:51ac1d130fd4 | 1536 | pppOverEthernetInitFailed(int pd) |
mbed_official | 0:51ac1d130fd4 | 1537 | { |
mbed_official | 0:51ac1d130fd4 | 1538 | PPPControl* pc; |
mbed_official | 0:51ac1d130fd4 | 1539 | |
mbed_official | 0:51ac1d130fd4 | 1540 | pppHup(pd); |
mbed_official | 0:51ac1d130fd4 | 1541 | pppStop(pd); |
mbed_official | 0:51ac1d130fd4 | 1542 | |
mbed_official | 0:51ac1d130fd4 | 1543 | pc = &pppControl[pd]; |
mbed_official | 0:51ac1d130fd4 | 1544 | pppoe_destroy(&pc->netif); |
mbed_official | 0:51ac1d130fd4 | 1545 | pc->openFlag = 0; |
mbed_official | 0:51ac1d130fd4 | 1546 | |
mbed_official | 0:51ac1d130fd4 | 1547 | if(pc->linkStatusCB) { |
mbed_official | 0:51ac1d130fd4 | 1548 | pc->linkStatusCB(pc->linkStatusCtx, pc->errCode ? pc->errCode : PPPERR_PROTOCOL, NULL); |
mbed_official | 0:51ac1d130fd4 | 1549 | } |
mbed_official | 0:51ac1d130fd4 | 1550 | } |
mbed_official | 0:51ac1d130fd4 | 1551 | |
mbed_official | 0:51ac1d130fd4 | 1552 | static void |
mbed_official | 0:51ac1d130fd4 | 1553 | pppOverEthernetLinkStatusCB(int pd, int up) |
mbed_official | 0:51ac1d130fd4 | 1554 | { |
mbed_official | 0:51ac1d130fd4 | 1555 | if(up) { |
mbed_official | 0:51ac1d130fd4 | 1556 | PPPDEBUG(LOG_INFO, ("pppOverEthernetLinkStatusCB: unit %d: Connecting\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 1557 | pppStart(pd); |
mbed_official | 0:51ac1d130fd4 | 1558 | } else { |
mbed_official | 0:51ac1d130fd4 | 1559 | pppOverEthernetInitFailed(pd); |
mbed_official | 0:51ac1d130fd4 | 1560 | } |
mbed_official | 0:51ac1d130fd4 | 1561 | } |
mbed_official | 0:51ac1d130fd4 | 1562 | #endif /* PPPOE_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 1563 | |
mbed_official | 0:51ac1d130fd4 | 1564 | struct pbuf * |
mbed_official | 0:51ac1d130fd4 | 1565 | pppSingleBuf(struct pbuf *p) |
mbed_official | 0:51ac1d130fd4 | 1566 | { |
mbed_official | 0:51ac1d130fd4 | 1567 | struct pbuf *q, *b; |
mbed_official | 0:51ac1d130fd4 | 1568 | u_char *pl; |
mbed_official | 0:51ac1d130fd4 | 1569 | |
mbed_official | 0:51ac1d130fd4 | 1570 | if(p->tot_len == p->len) { |
mbed_official | 0:51ac1d130fd4 | 1571 | return p; |
mbed_official | 0:51ac1d130fd4 | 1572 | } |
mbed_official | 0:51ac1d130fd4 | 1573 | |
mbed_official | 0:51ac1d130fd4 | 1574 | q = pbuf_alloc(PBUF_RAW, p->tot_len, PBUF_RAM); |
mbed_official | 0:51ac1d130fd4 | 1575 | if(!q) { |
mbed_official | 0:51ac1d130fd4 | 1576 | PPPDEBUG(LOG_ERR, |
mbed_official | 0:51ac1d130fd4 | 1577 | ("pppSingleBuf: unable to alloc new buf (%d)\n", p->tot_len)); |
mbed_official | 0:51ac1d130fd4 | 1578 | return p; /* live dangerously */ |
mbed_official | 0:51ac1d130fd4 | 1579 | } |
mbed_official | 0:51ac1d130fd4 | 1580 | |
mbed_official | 0:51ac1d130fd4 | 1581 | for(b = p, pl = q->payload; b != NULL; b = b->next) { |
mbed_official | 0:51ac1d130fd4 | 1582 | MEMCPY(pl, b->payload, b->len); |
mbed_official | 0:51ac1d130fd4 | 1583 | pl += b->len; |
mbed_official | 0:51ac1d130fd4 | 1584 | } |
mbed_official | 0:51ac1d130fd4 | 1585 | |
mbed_official | 0:51ac1d130fd4 | 1586 | pbuf_free(p); |
mbed_official | 0:51ac1d130fd4 | 1587 | |
mbed_official | 0:51ac1d130fd4 | 1588 | return q; |
mbed_official | 0:51ac1d130fd4 | 1589 | } |
mbed_official | 0:51ac1d130fd4 | 1590 | |
mbed_official | 0:51ac1d130fd4 | 1591 | struct pppInputHeader { |
mbed_official | 0:51ac1d130fd4 | 1592 | int unit; |
mbed_official | 0:51ac1d130fd4 | 1593 | u16_t proto; |
mbed_official | 0:51ac1d130fd4 | 1594 | }; |
mbed_official | 0:51ac1d130fd4 | 1595 | |
mbed_official | 0:51ac1d130fd4 | 1596 | /* |
mbed_official | 0:51ac1d130fd4 | 1597 | * Pass the processed input packet to the appropriate handler. |
mbed_official | 0:51ac1d130fd4 | 1598 | * This function and all handlers run in the context of the tcpip_thread |
mbed_official | 0:51ac1d130fd4 | 1599 | */ |
mbed_official | 0:51ac1d130fd4 | 1600 | static void |
mbed_official | 0:51ac1d130fd4 | 1601 | pppInput(void *arg) |
mbed_official | 0:51ac1d130fd4 | 1602 | { |
mbed_official | 0:51ac1d130fd4 | 1603 | struct pbuf *nb = (struct pbuf *)arg; |
mbed_official | 0:51ac1d130fd4 | 1604 | u16_t protocol; |
mbed_official | 0:51ac1d130fd4 | 1605 | int pd; |
mbed_official | 0:51ac1d130fd4 | 1606 | |
mbed_official | 0:51ac1d130fd4 | 1607 | pd = ((struct pppInputHeader *)nb->payload)->unit; |
mbed_official | 0:51ac1d130fd4 | 1608 | protocol = ((struct pppInputHeader *)nb->payload)->proto; |
mbed_official | 0:51ac1d130fd4 | 1609 | |
mbed_official | 0:51ac1d130fd4 | 1610 | if(pbuf_header(nb, -(int)sizeof(struct pppInputHeader))) { |
mbed_official | 0:51ac1d130fd4 | 1611 | LWIP_ASSERT("pbuf_header failed\n", 0); |
mbed_official | 0:51ac1d130fd4 | 1612 | goto drop; |
mbed_official | 0:51ac1d130fd4 | 1613 | } |
mbed_official | 0:51ac1d130fd4 | 1614 | |
mbed_official | 0:51ac1d130fd4 | 1615 | LINK_STATS_INC(link.recv); |
mbed_official | 0:51ac1d130fd4 | 1616 | snmp_inc_ifinucastpkts(&pppControl[pd].netif); |
mbed_official | 0:51ac1d130fd4 | 1617 | snmp_add_ifinoctets(&pppControl[pd].netif, nb->tot_len); |
mbed_official | 0:51ac1d130fd4 | 1618 | |
mbed_official | 0:51ac1d130fd4 | 1619 | /* |
mbed_official | 0:51ac1d130fd4 | 1620 | * Toss all non-LCP packets unless LCP is OPEN. |
mbed_official | 0:51ac1d130fd4 | 1621 | * Until we get past the authentication phase, toss all packets |
mbed_official | 0:51ac1d130fd4 | 1622 | * except LCP, LQR and authentication packets. |
mbed_official | 0:51ac1d130fd4 | 1623 | */ |
mbed_official | 0:51ac1d130fd4 | 1624 | if((lcp_phase[pd] <= PHASE_AUTHENTICATE) && (protocol != PPP_LCP)) { |
mbed_official | 0:51ac1d130fd4 | 1625 | if(!((protocol == PPP_LQR) || (protocol == PPP_PAP) || (protocol == PPP_CHAP)) || |
mbed_official | 0:51ac1d130fd4 | 1626 | (lcp_phase[pd] != PHASE_AUTHENTICATE)) { |
mbed_official | 0:51ac1d130fd4 | 1627 | PPPDEBUG(LOG_INFO, ("pppInput: discarding proto 0x%"X16_F" in phase %d\n", protocol, lcp_phase[pd])); |
mbed_official | 0:51ac1d130fd4 | 1628 | goto drop; |
mbed_official | 0:51ac1d130fd4 | 1629 | } |
mbed_official | 0:51ac1d130fd4 | 1630 | } |
mbed_official | 0:51ac1d130fd4 | 1631 | |
mbed_official | 0:51ac1d130fd4 | 1632 | switch(protocol) { |
mbed_official | 0:51ac1d130fd4 | 1633 | case PPP_VJC_COMP: /* VJ compressed TCP */ |
mbed_official | 0:51ac1d130fd4 | 1634 | #if PPPOS_SUPPORT && VJ_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 1635 | PPPDEBUG(LOG_INFO, ("pppInput[%d]: vj_comp in pbuf len=%d\n", pd, nb->len)); |
mbed_official | 0:51ac1d130fd4 | 1636 | /* |
mbed_official | 0:51ac1d130fd4 | 1637 | * Clip off the VJ header and prepend the rebuilt TCP/IP header and |
mbed_official | 0:51ac1d130fd4 | 1638 | * pass the result to IP. |
mbed_official | 0:51ac1d130fd4 | 1639 | */ |
mbed_official | 0:51ac1d130fd4 | 1640 | if ((vj_uncompress_tcp(&nb, &pppControl[pd].vjComp) >= 0) && (pppControl[pd].netif.input)) { |
mbed_official | 0:51ac1d130fd4 | 1641 | pppControl[pd].netif.input(nb, &pppControl[pd].netif); |
mbed_official | 0:51ac1d130fd4 | 1642 | return; |
mbed_official | 0:51ac1d130fd4 | 1643 | } |
mbed_official | 0:51ac1d130fd4 | 1644 | /* Something's wrong so drop it. */ |
mbed_official | 0:51ac1d130fd4 | 1645 | PPPDEBUG(LOG_WARNING, ("pppInput[%d]: Dropping VJ compressed\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 1646 | #else /* PPPOS_SUPPORT && VJ_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 1647 | /* No handler for this protocol so drop the packet. */ |
mbed_official | 0:51ac1d130fd4 | 1648 | PPPDEBUG(LOG_INFO, ("pppInput[%d]: drop VJ Comp in %d:%s\n", pd, nb->len, nb->payload)); |
mbed_official | 0:51ac1d130fd4 | 1649 | #endif /* PPPOS_SUPPORT && VJ_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 1650 | break; |
mbed_official | 0:51ac1d130fd4 | 1651 | |
mbed_official | 0:51ac1d130fd4 | 1652 | case PPP_VJC_UNCOMP: /* VJ uncompressed TCP */ |
mbed_official | 0:51ac1d130fd4 | 1653 | #if PPPOS_SUPPORT && VJ_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 1654 | PPPDEBUG(LOG_INFO, ("pppInput[%d]: vj_un in pbuf len=%d\n", pd, nb->len)); |
mbed_official | 0:51ac1d130fd4 | 1655 | /* |
mbed_official | 0:51ac1d130fd4 | 1656 | * Process the TCP/IP header for VJ header compression and then pass |
mbed_official | 0:51ac1d130fd4 | 1657 | * the packet to IP. |
mbed_official | 0:51ac1d130fd4 | 1658 | */ |
mbed_official | 0:51ac1d130fd4 | 1659 | if ((vj_uncompress_uncomp(nb, &pppControl[pd].vjComp) >= 0) && pppControl[pd].netif.input) { |
mbed_official | 0:51ac1d130fd4 | 1660 | pppControl[pd].netif.input(nb, &pppControl[pd].netif); |
mbed_official | 0:51ac1d130fd4 | 1661 | return; |
mbed_official | 0:51ac1d130fd4 | 1662 | } |
mbed_official | 0:51ac1d130fd4 | 1663 | /* Something's wrong so drop it. */ |
mbed_official | 0:51ac1d130fd4 | 1664 | PPPDEBUG(LOG_WARNING, ("pppInput[%d]: Dropping VJ uncompressed\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 1665 | #else /* PPPOS_SUPPORT && VJ_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 1666 | /* No handler for this protocol so drop the packet. */ |
mbed_official | 0:51ac1d130fd4 | 1667 | PPPDEBUG(LOG_INFO, |
mbed_official | 0:51ac1d130fd4 | 1668 | ("pppInput[%d]: drop VJ UnComp in %d:.*H\n", |
mbed_official | 0:51ac1d130fd4 | 1669 | pd, nb->len, LWIP_MIN(nb->len * 2, 40), nb->payload)); |
mbed_official | 0:51ac1d130fd4 | 1670 | #endif /* PPPOS_SUPPORT && VJ_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 1671 | break; |
mbed_official | 0:51ac1d130fd4 | 1672 | |
mbed_official | 0:51ac1d130fd4 | 1673 | case PPP_IP: /* Internet Protocol */ |
mbed_official | 0:51ac1d130fd4 | 1674 | PPPDEBUG(LOG_INFO, ("pppInput[%d]: ip in pbuf len=%d\n", pd, nb->len)); |
mbed_official | 0:51ac1d130fd4 | 1675 | if (pppControl[pd].netif.input) { |
mbed_official | 0:51ac1d130fd4 | 1676 | pppControl[pd].netif.input(nb, &pppControl[pd].netif); |
mbed_official | 0:51ac1d130fd4 | 1677 | return; |
mbed_official | 0:51ac1d130fd4 | 1678 | } |
mbed_official | 0:51ac1d130fd4 | 1679 | break; |
mbed_official | 0:51ac1d130fd4 | 1680 | |
mbed_official | 0:51ac1d130fd4 | 1681 | default: { |
mbed_official | 0:51ac1d130fd4 | 1682 | struct protent *protp; |
mbed_official | 0:51ac1d130fd4 | 1683 | int i; |
mbed_official | 0:51ac1d130fd4 | 1684 | |
mbed_official | 0:51ac1d130fd4 | 1685 | /* |
mbed_official | 0:51ac1d130fd4 | 1686 | * Upcall the proper protocol input routine. |
mbed_official | 0:51ac1d130fd4 | 1687 | */ |
mbed_official | 0:51ac1d130fd4 | 1688 | for (i = 0; (protp = ppp_protocols[i]) != NULL; ++i) { |
mbed_official | 0:51ac1d130fd4 | 1689 | if (protp->protocol == protocol && protp->enabled_flag) { |
mbed_official | 0:51ac1d130fd4 | 1690 | PPPDEBUG(LOG_INFO, ("pppInput[%d]: %s len=%d\n", pd, protp->name, nb->len)); |
mbed_official | 0:51ac1d130fd4 | 1691 | nb = pppSingleBuf(nb); |
mbed_official | 0:51ac1d130fd4 | 1692 | (*protp->input)(pd, nb->payload, nb->len); |
mbed_official | 0:51ac1d130fd4 | 1693 | PPPDEBUG(LOG_DETAIL, ("pppInput[%d]: packet processed\n", pd)); |
mbed_official | 0:51ac1d130fd4 | 1694 | goto out; |
mbed_official | 0:51ac1d130fd4 | 1695 | } |
mbed_official | 0:51ac1d130fd4 | 1696 | } |
mbed_official | 0:51ac1d130fd4 | 1697 | |
mbed_official | 0:51ac1d130fd4 | 1698 | /* No handler for this protocol so reject the packet. */ |
mbed_official | 0:51ac1d130fd4 | 1699 | PPPDEBUG(LOG_INFO, ("pppInput[%d]: rejecting unsupported proto 0x%"X16_F" len=%d\n", pd, protocol, nb->len)); |
mbed_official | 0:51ac1d130fd4 | 1700 | if (pbuf_header(nb, sizeof(protocol))) { |
mbed_official | 0:51ac1d130fd4 | 1701 | LWIP_ASSERT("pbuf_header failed\n", 0); |
mbed_official | 0:51ac1d130fd4 | 1702 | goto drop; |
mbed_official | 0:51ac1d130fd4 | 1703 | } |
mbed_official | 0:51ac1d130fd4 | 1704 | #if BYTE_ORDER == LITTLE_ENDIAN |
mbed_official | 0:51ac1d130fd4 | 1705 | protocol = htons(protocol); |
mbed_official | 0:51ac1d130fd4 | 1706 | #endif /* BYTE_ORDER == LITTLE_ENDIAN */ |
mbed_official | 0:51ac1d130fd4 | 1707 | SMEMCPY(nb->payload, &protocol, sizeof(protocol)); |
mbed_official | 0:51ac1d130fd4 | 1708 | lcp_sprotrej(pd, nb->payload, nb->len); |
mbed_official | 0:51ac1d130fd4 | 1709 | } |
mbed_official | 0:51ac1d130fd4 | 1710 | break; |
mbed_official | 0:51ac1d130fd4 | 1711 | } |
mbed_official | 0:51ac1d130fd4 | 1712 | |
mbed_official | 0:51ac1d130fd4 | 1713 | drop: |
mbed_official | 0:51ac1d130fd4 | 1714 | LINK_STATS_INC(link.drop); |
mbed_official | 0:51ac1d130fd4 | 1715 | snmp_inc_ifindiscards(&pppControl[pd].netif); |
mbed_official | 0:51ac1d130fd4 | 1716 | |
mbed_official | 0:51ac1d130fd4 | 1717 | out: |
mbed_official | 0:51ac1d130fd4 | 1718 | pbuf_free(nb); |
mbed_official | 0:51ac1d130fd4 | 1719 | return; |
mbed_official | 0:51ac1d130fd4 | 1720 | } |
mbed_official | 0:51ac1d130fd4 | 1721 | |
mbed_official | 0:51ac1d130fd4 | 1722 | #if PPPOS_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 1723 | /* |
mbed_official | 0:51ac1d130fd4 | 1724 | * Drop the input packet. |
mbed_official | 0:51ac1d130fd4 | 1725 | */ |
mbed_official | 0:51ac1d130fd4 | 1726 | static void |
mbed_official | 0:51ac1d130fd4 | 1727 | pppDrop(PPPControlRx *pcrx) |
mbed_official | 0:51ac1d130fd4 | 1728 | { |
mbed_official | 0:51ac1d130fd4 | 1729 | if (pcrx->inHead != NULL) { |
mbed_official | 0:51ac1d130fd4 | 1730 | #if 0 |
mbed_official | 0:51ac1d130fd4 | 1731 | PPPDEBUG(LOG_INFO, ("pppDrop: %d:%.*H\n", pcrx->inHead->len, min(60, pcrx->inHead->len * 2), pcrx->inHead->payload)); |
mbed_official | 0:51ac1d130fd4 | 1732 | #endif |
mbed_official | 0:51ac1d130fd4 | 1733 | PPPDEBUG(LOG_INFO, ("pppDrop: pbuf len=%d, addr %p\n", pcrx->inHead->len, (void*)pcrx->inHead)); |
mbed_official | 0:51ac1d130fd4 | 1734 | if (pcrx->inTail && (pcrx->inTail != pcrx->inHead)) { |
mbed_official | 0:51ac1d130fd4 | 1735 | pbuf_free(pcrx->inTail); |
mbed_official | 0:51ac1d130fd4 | 1736 | } |
mbed_official | 0:51ac1d130fd4 | 1737 | pbuf_free(pcrx->inHead); |
mbed_official | 0:51ac1d130fd4 | 1738 | pcrx->inHead = NULL; |
mbed_official | 0:51ac1d130fd4 | 1739 | pcrx->inTail = NULL; |
mbed_official | 0:51ac1d130fd4 | 1740 | } |
mbed_official | 0:51ac1d130fd4 | 1741 | #if VJ_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 1742 | vj_uncompress_err(&pppControl[pcrx->pd].vjComp); |
mbed_official | 0:51ac1d130fd4 | 1743 | #endif /* VJ_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 1744 | |
mbed_official | 0:51ac1d130fd4 | 1745 | LINK_STATS_INC(link.drop); |
mbed_official | 0:51ac1d130fd4 | 1746 | snmp_inc_ifindiscards(&pppControl[pcrx->pd].netif); |
mbed_official | 0:51ac1d130fd4 | 1747 | } |
mbed_official | 0:51ac1d130fd4 | 1748 | |
mbed_official | 0:51ac1d130fd4 | 1749 | /** Pass received raw characters to PPPoS to be decoded. This function is |
mbed_official | 0:51ac1d130fd4 | 1750 | * thread-safe and can be called from a dedicated RX-thread or from a main-loop. |
mbed_official | 0:51ac1d130fd4 | 1751 | * |
mbed_official | 0:51ac1d130fd4 | 1752 | * @param pd PPP descriptor index, returned by pppOpen() |
mbed_official | 0:51ac1d130fd4 | 1753 | * @param data received data |
mbed_official | 0:51ac1d130fd4 | 1754 | * @param len length of received data |
mbed_official | 0:51ac1d130fd4 | 1755 | */ |
mbed_official | 0:51ac1d130fd4 | 1756 | void |
mbed_official | 0:51ac1d130fd4 | 1757 | pppos_input(int pd, u_char* data, int len) |
mbed_official | 0:51ac1d130fd4 | 1758 | { |
mbed_official | 0:51ac1d130fd4 | 1759 | pppInProc(&pppControl[pd].rx, data, len); |
mbed_official | 0:51ac1d130fd4 | 1760 | } |
mbed_official | 0:51ac1d130fd4 | 1761 | |
mbed_official | 0:51ac1d130fd4 | 1762 | /** |
mbed_official | 0:51ac1d130fd4 | 1763 | * Process a received octet string. |
mbed_official | 0:51ac1d130fd4 | 1764 | */ |
mbed_official | 0:51ac1d130fd4 | 1765 | static void |
mbed_official | 0:51ac1d130fd4 | 1766 | pppInProc(PPPControlRx *pcrx, u_char *s, int l) |
mbed_official | 0:51ac1d130fd4 | 1767 | { |
mbed_official | 0:51ac1d130fd4 | 1768 | struct pbuf *nextNBuf; |
mbed_official | 0:51ac1d130fd4 | 1769 | u_char curChar; |
mbed_official | 0:51ac1d130fd4 | 1770 | u_char escaped; |
mbed_official | 0:51ac1d130fd4 | 1771 | SYS_ARCH_DECL_PROTECT(lev); |
mbed_official | 0:51ac1d130fd4 | 1772 | |
mbed_official | 0:51ac1d130fd4 | 1773 | PPPDEBUG(LOG_DEBUG, ("pppInProc[%d]: got %d bytes\n", pcrx->pd, l)); |
mbed_official | 0:51ac1d130fd4 | 1774 | while (l-- > 0) { |
mbed_official | 0:51ac1d130fd4 | 1775 | curChar = *s++; |
mbed_official | 0:51ac1d130fd4 | 1776 | |
mbed_official | 0:51ac1d130fd4 | 1777 | SYS_ARCH_PROTECT(lev); |
mbed_official | 0:51ac1d130fd4 | 1778 | escaped = ESCAPE_P(pcrx->inACCM, curChar); |
mbed_official | 0:51ac1d130fd4 | 1779 | SYS_ARCH_UNPROTECT(lev); |
mbed_official | 0:51ac1d130fd4 | 1780 | /* Handle special characters. */ |
mbed_official | 0:51ac1d130fd4 | 1781 | if (escaped) { |
mbed_official | 0:51ac1d130fd4 | 1782 | /* Check for escape sequences. */ |
mbed_official | 0:51ac1d130fd4 | 1783 | /* XXX Note that this does not handle an escaped 0x5d character which |
mbed_official | 0:51ac1d130fd4 | 1784 | * would appear as an escape character. Since this is an ASCII ']' |
mbed_official | 0:51ac1d130fd4 | 1785 | * and there is no reason that I know of to escape it, I won't complicate |
mbed_official | 0:51ac1d130fd4 | 1786 | * the code to handle this case. GLL */ |
mbed_official | 0:51ac1d130fd4 | 1787 | if (curChar == PPP_ESCAPE) { |
mbed_official | 0:51ac1d130fd4 | 1788 | pcrx->inEscaped = 1; |
mbed_official | 0:51ac1d130fd4 | 1789 | /* Check for the flag character. */ |
mbed_official | 0:51ac1d130fd4 | 1790 | } else if (curChar == PPP_FLAG) { |
mbed_official | 0:51ac1d130fd4 | 1791 | /* If this is just an extra flag character, ignore it. */ |
mbed_official | 0:51ac1d130fd4 | 1792 | if (pcrx->inState <= PDADDRESS) { |
mbed_official | 0:51ac1d130fd4 | 1793 | /* ignore it */; |
mbed_official | 0:51ac1d130fd4 | 1794 | /* If we haven't received the packet header, drop what has come in. */ |
mbed_official | 0:51ac1d130fd4 | 1795 | } else if (pcrx->inState < PDDATA) { |
mbed_official | 0:51ac1d130fd4 | 1796 | PPPDEBUG(LOG_WARNING, |
mbed_official | 0:51ac1d130fd4 | 1797 | ("pppInProc[%d]: Dropping incomplete packet %d\n", |
mbed_official | 0:51ac1d130fd4 | 1798 | pcrx->pd, pcrx->inState)); |
mbed_official | 0:51ac1d130fd4 | 1799 | LINK_STATS_INC(link.lenerr); |
mbed_official | 0:51ac1d130fd4 | 1800 | pppDrop(pcrx); |
mbed_official | 0:51ac1d130fd4 | 1801 | /* If the fcs is invalid, drop the packet. */ |
mbed_official | 0:51ac1d130fd4 | 1802 | } else if (pcrx->inFCS != PPP_GOODFCS) { |
mbed_official | 0:51ac1d130fd4 | 1803 | PPPDEBUG(LOG_INFO, |
mbed_official | 0:51ac1d130fd4 | 1804 | ("pppInProc[%d]: Dropping bad fcs 0x%"X16_F" proto=0x%"X16_F"\n", |
mbed_official | 0:51ac1d130fd4 | 1805 | pcrx->pd, pcrx->inFCS, pcrx->inProtocol)); |
mbed_official | 0:51ac1d130fd4 | 1806 | /* Note: If you get lots of these, check for UART frame errors or try different baud rate */ |
mbed_official | 0:51ac1d130fd4 | 1807 | LINK_STATS_INC(link.chkerr); |
mbed_official | 0:51ac1d130fd4 | 1808 | pppDrop(pcrx); |
mbed_official | 0:51ac1d130fd4 | 1809 | /* Otherwise it's a good packet so pass it on. */ |
mbed_official | 0:51ac1d130fd4 | 1810 | } else { |
mbed_official | 0:51ac1d130fd4 | 1811 | struct pbuf *inp; |
mbed_official | 0:51ac1d130fd4 | 1812 | /* Trim off the checksum. */ |
mbed_official | 0:51ac1d130fd4 | 1813 | if(pcrx->inTail->len >= 2) { |
mbed_official | 0:51ac1d130fd4 | 1814 | pcrx->inTail->len -= 2; |
mbed_official | 0:51ac1d130fd4 | 1815 | |
mbed_official | 0:51ac1d130fd4 | 1816 | pcrx->inTail->tot_len = pcrx->inTail->len; |
mbed_official | 0:51ac1d130fd4 | 1817 | if (pcrx->inTail != pcrx->inHead) { |
mbed_official | 0:51ac1d130fd4 | 1818 | pbuf_cat(pcrx->inHead, pcrx->inTail); |
mbed_official | 0:51ac1d130fd4 | 1819 | } |
mbed_official | 0:51ac1d130fd4 | 1820 | } else { |
mbed_official | 0:51ac1d130fd4 | 1821 | pcrx->inTail->tot_len = pcrx->inTail->len; |
mbed_official | 0:51ac1d130fd4 | 1822 | if (pcrx->inTail != pcrx->inHead) { |
mbed_official | 0:51ac1d130fd4 | 1823 | pbuf_cat(pcrx->inHead, pcrx->inTail); |
mbed_official | 0:51ac1d130fd4 | 1824 | } |
mbed_official | 0:51ac1d130fd4 | 1825 | |
mbed_official | 0:51ac1d130fd4 | 1826 | pbuf_realloc(pcrx->inHead, pcrx->inHead->tot_len - 2); |
mbed_official | 0:51ac1d130fd4 | 1827 | } |
mbed_official | 0:51ac1d130fd4 | 1828 | |
mbed_official | 0:51ac1d130fd4 | 1829 | /* Dispatch the packet thereby consuming it. */ |
mbed_official | 0:51ac1d130fd4 | 1830 | inp = pcrx->inHead; |
mbed_official | 0:51ac1d130fd4 | 1831 | /* Packet consumed, release our references. */ |
mbed_official | 0:51ac1d130fd4 | 1832 | pcrx->inHead = NULL; |
mbed_official | 0:51ac1d130fd4 | 1833 | pcrx->inTail = NULL; |
mbed_official | 0:51ac1d130fd4 | 1834 | #if PPP_INPROC_MULTITHREADED |
mbed_official | 0:51ac1d130fd4 | 1835 | if(tcpip_callback_with_block(pppInput, inp, 0) != ERR_OK) { |
mbed_official | 0:51ac1d130fd4 | 1836 | PPPDEBUG(LOG_ERR, ("pppInProc[%d]: tcpip_callback() failed, dropping packet\n", pcrx->pd)); |
mbed_official | 0:51ac1d130fd4 | 1837 | pbuf_free(inp); |
mbed_official | 0:51ac1d130fd4 | 1838 | LINK_STATS_INC(link.drop); |
mbed_official | 0:51ac1d130fd4 | 1839 | snmp_inc_ifindiscards(&pppControl[pcrx->pd].netif); |
mbed_official | 0:51ac1d130fd4 | 1840 | } |
mbed_official | 0:51ac1d130fd4 | 1841 | #else /* PPP_INPROC_MULTITHREADED */ |
mbed_official | 0:51ac1d130fd4 | 1842 | pppInput(inp); |
mbed_official | 0:51ac1d130fd4 | 1843 | #endif /* PPP_INPROC_MULTITHREADED */ |
mbed_official | 0:51ac1d130fd4 | 1844 | } |
mbed_official | 0:51ac1d130fd4 | 1845 | |
mbed_official | 0:51ac1d130fd4 | 1846 | /* Prepare for a new packet. */ |
mbed_official | 0:51ac1d130fd4 | 1847 | pcrx->inFCS = PPP_INITFCS; |
mbed_official | 0:51ac1d130fd4 | 1848 | pcrx->inState = PDADDRESS; |
mbed_official | 0:51ac1d130fd4 | 1849 | pcrx->inEscaped = 0; |
mbed_official | 0:51ac1d130fd4 | 1850 | /* Other characters are usually control characters that may have |
mbed_official | 0:51ac1d130fd4 | 1851 | * been inserted by the physical layer so here we just drop them. */ |
mbed_official | 0:51ac1d130fd4 | 1852 | } else { |
mbed_official | 0:51ac1d130fd4 | 1853 | PPPDEBUG(LOG_WARNING, |
mbed_official | 0:51ac1d130fd4 | 1854 | ("pppInProc[%d]: Dropping ACCM char <%d>\n", pcrx->pd, curChar)); |
mbed_official | 0:51ac1d130fd4 | 1855 | } |
mbed_official | 0:51ac1d130fd4 | 1856 | /* Process other characters. */ |
mbed_official | 0:51ac1d130fd4 | 1857 | } else { |
mbed_official | 0:51ac1d130fd4 | 1858 | /* Unencode escaped characters. */ |
mbed_official | 0:51ac1d130fd4 | 1859 | if (pcrx->inEscaped) { |
mbed_official | 0:51ac1d130fd4 | 1860 | pcrx->inEscaped = 0; |
mbed_official | 0:51ac1d130fd4 | 1861 | curChar ^= PPP_TRANS; |
mbed_official | 0:51ac1d130fd4 | 1862 | } |
mbed_official | 0:51ac1d130fd4 | 1863 | |
mbed_official | 0:51ac1d130fd4 | 1864 | /* Process character relative to current state. */ |
mbed_official | 0:51ac1d130fd4 | 1865 | switch(pcrx->inState) { |
mbed_official | 0:51ac1d130fd4 | 1866 | case PDIDLE: /* Idle state - waiting. */ |
mbed_official | 0:51ac1d130fd4 | 1867 | /* Drop the character if it's not 0xff |
mbed_official | 0:51ac1d130fd4 | 1868 | * we would have processed a flag character above. */ |
mbed_official | 0:51ac1d130fd4 | 1869 | if (curChar != PPP_ALLSTATIONS) { |
mbed_official | 0:51ac1d130fd4 | 1870 | break; |
mbed_official | 0:51ac1d130fd4 | 1871 | } |
mbed_official | 0:51ac1d130fd4 | 1872 | |
mbed_official | 0:51ac1d130fd4 | 1873 | /* Fall through */ |
mbed_official | 0:51ac1d130fd4 | 1874 | case PDSTART: /* Process start flag. */ |
mbed_official | 0:51ac1d130fd4 | 1875 | /* Prepare for a new packet. */ |
mbed_official | 0:51ac1d130fd4 | 1876 | pcrx->inFCS = PPP_INITFCS; |
mbed_official | 0:51ac1d130fd4 | 1877 | |
mbed_official | 0:51ac1d130fd4 | 1878 | /* Fall through */ |
mbed_official | 0:51ac1d130fd4 | 1879 | case PDADDRESS: /* Process address field. */ |
mbed_official | 0:51ac1d130fd4 | 1880 | if (curChar == PPP_ALLSTATIONS) { |
mbed_official | 0:51ac1d130fd4 | 1881 | pcrx->inState = PDCONTROL; |
mbed_official | 0:51ac1d130fd4 | 1882 | break; |
mbed_official | 0:51ac1d130fd4 | 1883 | } |
mbed_official | 0:51ac1d130fd4 | 1884 | /* Else assume compressed address and control fields so |
mbed_official | 0:51ac1d130fd4 | 1885 | * fall through to get the protocol... */ |
mbed_official | 0:51ac1d130fd4 | 1886 | case PDCONTROL: /* Process control field. */ |
mbed_official | 0:51ac1d130fd4 | 1887 | /* If we don't get a valid control code, restart. */ |
mbed_official | 0:51ac1d130fd4 | 1888 | if (curChar == PPP_UI) { |
mbed_official | 0:51ac1d130fd4 | 1889 | pcrx->inState = PDPROTOCOL1; |
mbed_official | 0:51ac1d130fd4 | 1890 | break; |
mbed_official | 0:51ac1d130fd4 | 1891 | } |
mbed_official | 0:51ac1d130fd4 | 1892 | #if 0 |
mbed_official | 0:51ac1d130fd4 | 1893 | else { |
mbed_official | 0:51ac1d130fd4 | 1894 | PPPDEBUG(LOG_WARNING, |
mbed_official | 0:51ac1d130fd4 | 1895 | ("pppInProc[%d]: Invalid control <%d>\n", pcrx->pd, curChar)); |
mbed_official | 0:51ac1d130fd4 | 1896 | pcrx->inState = PDSTART; |
mbed_official | 0:51ac1d130fd4 | 1897 | } |
mbed_official | 0:51ac1d130fd4 | 1898 | #endif |
mbed_official | 0:51ac1d130fd4 | 1899 | case PDPROTOCOL1: /* Process protocol field 1. */ |
mbed_official | 0:51ac1d130fd4 | 1900 | /* If the lower bit is set, this is the end of the protocol |
mbed_official | 0:51ac1d130fd4 | 1901 | * field. */ |
mbed_official | 0:51ac1d130fd4 | 1902 | if (curChar & 1) { |
mbed_official | 0:51ac1d130fd4 | 1903 | pcrx->inProtocol = curChar; |
mbed_official | 0:51ac1d130fd4 | 1904 | pcrx->inState = PDDATA; |
mbed_official | 0:51ac1d130fd4 | 1905 | } else { |
mbed_official | 0:51ac1d130fd4 | 1906 | pcrx->inProtocol = (u_int)curChar << 8; |
mbed_official | 0:51ac1d130fd4 | 1907 | pcrx->inState = PDPROTOCOL2; |
mbed_official | 0:51ac1d130fd4 | 1908 | } |
mbed_official | 0:51ac1d130fd4 | 1909 | break; |
mbed_official | 0:51ac1d130fd4 | 1910 | case PDPROTOCOL2: /* Process protocol field 2. */ |
mbed_official | 0:51ac1d130fd4 | 1911 | pcrx->inProtocol |= curChar; |
mbed_official | 0:51ac1d130fd4 | 1912 | pcrx->inState = PDDATA; |
mbed_official | 0:51ac1d130fd4 | 1913 | break; |
mbed_official | 0:51ac1d130fd4 | 1914 | case PDDATA: /* Process data byte. */ |
mbed_official | 0:51ac1d130fd4 | 1915 | /* Make space to receive processed data. */ |
mbed_official | 0:51ac1d130fd4 | 1916 | if (pcrx->inTail == NULL || pcrx->inTail->len == PBUF_POOL_BUFSIZE) { |
mbed_official | 0:51ac1d130fd4 | 1917 | if (pcrx->inTail != NULL) { |
mbed_official | 0:51ac1d130fd4 | 1918 | pcrx->inTail->tot_len = pcrx->inTail->len; |
mbed_official | 0:51ac1d130fd4 | 1919 | if (pcrx->inTail != pcrx->inHead) { |
mbed_official | 0:51ac1d130fd4 | 1920 | pbuf_cat(pcrx->inHead, pcrx->inTail); |
mbed_official | 0:51ac1d130fd4 | 1921 | /* give up the inTail reference now */ |
mbed_official | 0:51ac1d130fd4 | 1922 | pcrx->inTail = NULL; |
mbed_official | 0:51ac1d130fd4 | 1923 | } |
mbed_official | 0:51ac1d130fd4 | 1924 | } |
mbed_official | 0:51ac1d130fd4 | 1925 | /* If we haven't started a packet, we need a packet header. */ |
mbed_official | 0:51ac1d130fd4 | 1926 | nextNBuf = pbuf_alloc(PBUF_RAW, 0, PBUF_POOL); |
mbed_official | 0:51ac1d130fd4 | 1927 | if (nextNBuf == NULL) { |
mbed_official | 0:51ac1d130fd4 | 1928 | /* No free buffers. Drop the input packet and let the |
mbed_official | 0:51ac1d130fd4 | 1929 | * higher layers deal with it. Continue processing |
mbed_official | 0:51ac1d130fd4 | 1930 | * the received pbuf chain in case a new packet starts. */ |
mbed_official | 0:51ac1d130fd4 | 1931 | PPPDEBUG(LOG_ERR, ("pppInProc[%d]: NO FREE MBUFS!\n", pcrx->pd)); |
mbed_official | 0:51ac1d130fd4 | 1932 | LINK_STATS_INC(link.memerr); |
mbed_official | 0:51ac1d130fd4 | 1933 | pppDrop(pcrx); |
mbed_official | 0:51ac1d130fd4 | 1934 | pcrx->inState = PDSTART; /* Wait for flag sequence. */ |
mbed_official | 0:51ac1d130fd4 | 1935 | break; |
mbed_official | 0:51ac1d130fd4 | 1936 | } |
mbed_official | 0:51ac1d130fd4 | 1937 | if (pcrx->inHead == NULL) { |
mbed_official | 0:51ac1d130fd4 | 1938 | struct pppInputHeader *pih = nextNBuf->payload; |
mbed_official | 0:51ac1d130fd4 | 1939 | |
mbed_official | 0:51ac1d130fd4 | 1940 | pih->unit = pcrx->pd; |
mbed_official | 0:51ac1d130fd4 | 1941 | pih->proto = pcrx->inProtocol; |
mbed_official | 0:51ac1d130fd4 | 1942 | |
mbed_official | 0:51ac1d130fd4 | 1943 | nextNBuf->len += sizeof(*pih); |
mbed_official | 0:51ac1d130fd4 | 1944 | |
mbed_official | 0:51ac1d130fd4 | 1945 | pcrx->inHead = nextNBuf; |
mbed_official | 0:51ac1d130fd4 | 1946 | } |
mbed_official | 0:51ac1d130fd4 | 1947 | pcrx->inTail = nextNBuf; |
mbed_official | 0:51ac1d130fd4 | 1948 | } |
mbed_official | 0:51ac1d130fd4 | 1949 | /* Load character into buffer. */ |
mbed_official | 0:51ac1d130fd4 | 1950 | ((u_char*)pcrx->inTail->payload)[pcrx->inTail->len++] = curChar; |
mbed_official | 0:51ac1d130fd4 | 1951 | break; |
mbed_official | 0:51ac1d130fd4 | 1952 | } |
mbed_official | 0:51ac1d130fd4 | 1953 | |
mbed_official | 0:51ac1d130fd4 | 1954 | /* update the frame check sequence number. */ |
mbed_official | 0:51ac1d130fd4 | 1955 | pcrx->inFCS = PPP_FCS(pcrx->inFCS, curChar); |
mbed_official | 0:51ac1d130fd4 | 1956 | } |
mbed_official | 0:51ac1d130fd4 | 1957 | } /* while (l-- > 0), all bytes processed */ |
mbed_official | 0:51ac1d130fd4 | 1958 | |
mbed_official | 0:51ac1d130fd4 | 1959 | avRandomize(); |
mbed_official | 0:51ac1d130fd4 | 1960 | } |
mbed_official | 0:51ac1d130fd4 | 1961 | #endif /* PPPOS_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 1962 | |
mbed_official | 0:51ac1d130fd4 | 1963 | #if PPPOE_SUPPORT |
mbed_official | 0:51ac1d130fd4 | 1964 | void |
mbed_official | 0:51ac1d130fd4 | 1965 | pppInProcOverEthernet(int pd, struct pbuf *pb) |
mbed_official | 0:51ac1d130fd4 | 1966 | { |
mbed_official | 0:51ac1d130fd4 | 1967 | struct pppInputHeader *pih; |
mbed_official | 0:51ac1d130fd4 | 1968 | u16_t inProtocol; |
mbed_official | 0:51ac1d130fd4 | 1969 | |
mbed_official | 0:51ac1d130fd4 | 1970 | if(pb->len < sizeof(inProtocol)) { |
mbed_official | 0:51ac1d130fd4 | 1971 | PPPDEBUG(LOG_ERR, ("pppInProcOverEthernet: too small for protocol field\n")); |
mbed_official | 0:51ac1d130fd4 | 1972 | goto drop; |
mbed_official | 0:51ac1d130fd4 | 1973 | } |
mbed_official | 0:51ac1d130fd4 | 1974 | |
mbed_official | 0:51ac1d130fd4 | 1975 | inProtocol = (((u8_t *)pb->payload)[0] << 8) | ((u8_t*)pb->payload)[1]; |
mbed_official | 0:51ac1d130fd4 | 1976 | |
mbed_official | 0:51ac1d130fd4 | 1977 | /* make room for pppInputHeader - should not fail */ |
mbed_official | 0:51ac1d130fd4 | 1978 | if (pbuf_header(pb, sizeof(*pih) - sizeof(inProtocol)) != 0) { |
mbed_official | 0:51ac1d130fd4 | 1979 | PPPDEBUG(LOG_ERR, ("pppInProcOverEthernet: could not allocate room for header\n")); |
mbed_official | 0:51ac1d130fd4 | 1980 | goto drop; |
mbed_official | 0:51ac1d130fd4 | 1981 | } |
mbed_official | 0:51ac1d130fd4 | 1982 | |
mbed_official | 0:51ac1d130fd4 | 1983 | pih = pb->payload; |
mbed_official | 0:51ac1d130fd4 | 1984 | |
mbed_official | 0:51ac1d130fd4 | 1985 | pih->unit = pd; |
mbed_official | 0:51ac1d130fd4 | 1986 | pih->proto = inProtocol; |
mbed_official | 0:51ac1d130fd4 | 1987 | |
mbed_official | 0:51ac1d130fd4 | 1988 | /* Dispatch the packet thereby consuming it. */ |
mbed_official | 0:51ac1d130fd4 | 1989 | pppInput(pb); |
mbed_official | 0:51ac1d130fd4 | 1990 | return; |
mbed_official | 0:51ac1d130fd4 | 1991 | |
mbed_official | 0:51ac1d130fd4 | 1992 | drop: |
mbed_official | 0:51ac1d130fd4 | 1993 | LINK_STATS_INC(link.drop); |
mbed_official | 0:51ac1d130fd4 | 1994 | snmp_inc_ifindiscards(&pppControl[pd].netif); |
mbed_official | 0:51ac1d130fd4 | 1995 | pbuf_free(pb); |
mbed_official | 0:51ac1d130fd4 | 1996 | return; |
mbed_official | 0:51ac1d130fd4 | 1997 | } |
mbed_official | 0:51ac1d130fd4 | 1998 | #endif /* PPPOE_SUPPORT */ |
mbed_official | 0:51ac1d130fd4 | 1999 | |
mbed_official | 0:51ac1d130fd4 | 2000 | #if LWIP_NETIF_STATUS_CALLBACK |
mbed_official | 0:51ac1d130fd4 | 2001 | /** Set the status callback of a PPP's netif |
mbed_official | 0:51ac1d130fd4 | 2002 | * |
mbed_official | 0:51ac1d130fd4 | 2003 | * @param pd The PPP descriptor returned by pppOpen() |
mbed_official | 0:51ac1d130fd4 | 2004 | * @param status_callback pointer to the status callback function |
mbed_official | 0:51ac1d130fd4 | 2005 | * |
mbed_official | 0:51ac1d130fd4 | 2006 | * @see netif_set_status_callback |
mbed_official | 0:51ac1d130fd4 | 2007 | */ |
mbed_official | 0:51ac1d130fd4 | 2008 | void |
mbed_official | 0:51ac1d130fd4 | 2009 | ppp_set_netif_statuscallback(int pd, netif_status_callback_fn status_callback) |
mbed_official | 0:51ac1d130fd4 | 2010 | { |
mbed_official | 0:51ac1d130fd4 | 2011 | netif_set_status_callback(&pppControl[pd].netif, status_callback); |
mbed_official | 0:51ac1d130fd4 | 2012 | } |
mbed_official | 0:51ac1d130fd4 | 2013 | #endif /* LWIP_NETIF_STATUS_CALLBACK */ |
mbed_official | 0:51ac1d130fd4 | 2014 | |
mbed_official | 0:51ac1d130fd4 | 2015 | #if LWIP_NETIF_LINK_CALLBACK |
mbed_official | 0:51ac1d130fd4 | 2016 | /** Set the link callback of a PPP's netif |
mbed_official | 0:51ac1d130fd4 | 2017 | * |
mbed_official | 0:51ac1d130fd4 | 2018 | * @param pd The PPP descriptor returned by pppOpen() |
mbed_official | 0:51ac1d130fd4 | 2019 | * @param link_callback pointer to the link callback function |
mbed_official | 0:51ac1d130fd4 | 2020 | * |
mbed_official | 0:51ac1d130fd4 | 2021 | * @see netif_set_link_callback |
mbed_official | 0:51ac1d130fd4 | 2022 | */ |
mbed_official | 0:51ac1d130fd4 | 2023 | void |
mbed_official | 0:51ac1d130fd4 | 2024 | ppp_set_netif_linkcallback(int pd, netif_status_callback_fn link_callback) |
mbed_official | 0:51ac1d130fd4 | 2025 | { |
mbed_official | 0:51ac1d130fd4 | 2026 | netif_set_link_callback(&pppControl[pd].netif, link_callback); |
mbed_official | 0:51ac1d130fd4 | 2027 | } |
mbed_official | 0:51ac1d130fd4 | 2028 | #endif /* LWIP_NETIF_LINK_CALLBACK */ |
mbed_official | 0:51ac1d130fd4 | 2029 | |
mbed_official | 0:51ac1d130fd4 | 2030 | #endif /* PPP_SUPPORT */ |