TCPSpeedTest - I have a problem getting this to work. Server onl…

Users » tax » Code » TCPSpeedTest

Jesper Taxbøl / Mbed 2 deprecated TCPSpeedTest

I have a problem getting this to work. Server only recieves half of the data being sent. Whats wrong

lwip/netif/ppp/ppp.c@0:66300c77c6e9, 2011-03-29 (annotated)

Committer:: tax
Date:: Tue Mar 29 13:20:15 2011 +0000
Revision:: 0:66300c77c6e9

Who changed what in which revision?

User	Revision	Line number	New contents of line
tax	0:66300c77c6e9	1	/*****************************************************************************
tax	0:66300c77c6e9	2	* ppp.c - Network Point to Point Protocol program file.
tax	0:66300c77c6e9	3	*
tax	0:66300c77c6e9	4	* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
tax	0:66300c77c6e9	5	* portions Copyright (c) 1997 by Global Election Systems Inc.
tax	0:66300c77c6e9	6	*
tax	0:66300c77c6e9	7	* The authors hereby grant permission to use, copy, modify, distribute,
tax	0:66300c77c6e9	8	* and license this software and its documentation for any purpose, provided
tax	0:66300c77c6e9	9	* that existing copyright notices are retained in all copies and that this
tax	0:66300c77c6e9	10	* notice and the following disclaimer are included verbatim in any
tax	0:66300c77c6e9	11	* distributions. No written agreement, license, or royalty fee is required
tax	0:66300c77c6e9	12	* for any of the authorized uses.
tax	0:66300c77c6e9	13	*
tax	0:66300c77c6e9	14	* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS AS IS AND ANY EXPRESS OR
tax	0:66300c77c6e9	15	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
tax	0:66300c77c6e9	16	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
tax	0:66300c77c6e9	17	* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
tax	0:66300c77c6e9	18	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
tax	0:66300c77c6e9	19	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
tax	0:66300c77c6e9	20	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
tax	0:66300c77c6e9	21	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
tax	0:66300c77c6e9	22	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
tax	0:66300c77c6e9	23	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
tax	0:66300c77c6e9	24	*
tax	0:66300c77c6e9	25	******************************************************************************
tax	0:66300c77c6e9	26	* REVISION HISTORY
tax	0:66300c77c6e9	27	*
tax	0:66300c77c6e9	28	* 03-01-01 Marc Boucher <marc@mbsi.ca>
tax	0:66300c77c6e9	29	* Ported to lwIP.
tax	0:66300c77c6e9	30	* 97-11-05 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
tax	0:66300c77c6e9	31	* Original.
tax	0:66300c77c6e9	32	*****************************************************************************/
tax	0:66300c77c6e9	33
tax	0:66300c77c6e9	34	/*
tax	0:66300c77c6e9	35	* ppp_defs.h - PPP definitions.
tax	0:66300c77c6e9	36	*
tax	0:66300c77c6e9	37	* if_pppvar.h - private structures and declarations for PPP.
tax	0:66300c77c6e9	38	*
tax	0:66300c77c6e9	39	* Copyright (c) 1994 The Australian National University.
tax	0:66300c77c6e9	40	* All rights reserved.
tax	0:66300c77c6e9	41	*
tax	0:66300c77c6e9	42	* Permission to use, copy, modify, and distribute this software and its
tax	0:66300c77c6e9	43	* documentation is hereby granted, provided that the above copyright
tax	0:66300c77c6e9	44	* notice appears in all copies. This software is provided without any
tax	0:66300c77c6e9	45	* warranty, express or implied. The Australian National University
tax	0:66300c77c6e9	46	* makes no representations about the suitability of this software for
tax	0:66300c77c6e9	47	* any purpose.
tax	0:66300c77c6e9	48	*
tax	0:66300c77c6e9	49	* IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY
tax	0:66300c77c6e9	50	* PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
tax	0:66300c77c6e9	51	* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
tax	0:66300c77c6e9	52	* THE AUSTRALIAN NATIONAL UNIVERSITY HAVE BEEN ADVISED OF THE POSSIBILITY
tax	0:66300c77c6e9	53	* OF SUCH DAMAGE.
tax	0:66300c77c6e9	54	*
tax	0:66300c77c6e9	55	* THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES,
tax	0:66300c77c6e9	56	* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
tax	0:66300c77c6e9	57	* AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
tax	0:66300c77c6e9	58	* ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO
tax	0:66300c77c6e9	59	* OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
tax	0:66300c77c6e9	60	* OR MODIFICATIONS.
tax	0:66300c77c6e9	61	*/
tax	0:66300c77c6e9	62
tax	0:66300c77c6e9	63	/*
tax	0:66300c77c6e9	64	* if_ppp.h - Point-to-Point Protocol definitions.
tax	0:66300c77c6e9	65	*
tax	0:66300c77c6e9	66	* Copyright (c) 1989 Carnegie Mellon University.
tax	0:66300c77c6e9	67	* All rights reserved.
tax	0:66300c77c6e9	68	*
tax	0:66300c77c6e9	69	* Redistribution and use in source and binary forms are permitted
tax	0:66300c77c6e9	70	* provided that the above copyright notice and this paragraph are
tax	0:66300c77c6e9	71	* duplicated in all such forms and that any documentation,
tax	0:66300c77c6e9	72	* advertising materials, and other materials related to such
tax	0:66300c77c6e9	73	* distribution and use acknowledge that the software was developed
tax	0:66300c77c6e9	74	* by Carnegie Mellon University. The name of the
tax	0:66300c77c6e9	75	* University may not be used to endorse or promote products derived
tax	0:66300c77c6e9	76	* from this software without specific prior written permission.
tax	0:66300c77c6e9	77	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
tax	0:66300c77c6e9	78	* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
tax	0:66300c77c6e9	79	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
tax	0:66300c77c6e9	80	*/
tax	0:66300c77c6e9	81
tax	0:66300c77c6e9	82	#include "lwip/opt.h"
tax	0:66300c77c6e9	83
tax	0:66300c77c6e9	84	#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
tax	0:66300c77c6e9	85
tax	0:66300c77c6e9	86	#include "lwip/ip.h" /* for ip_input() */
tax	0:66300c77c6e9	87
tax	0:66300c77c6e9	88	#include "ppp.h"
tax	0:66300c77c6e9	89	#include "pppdebug.h"
tax	0:66300c77c6e9	90
tax	0:66300c77c6e9	91	#include "randm.h"
tax	0:66300c77c6e9	92	#include "fsm.h"
tax	0:66300c77c6e9	93	#if PAP_SUPPORT
tax	0:66300c77c6e9	94	#include "pap.h"
tax	0:66300c77c6e9	95	#endif /* PAP_SUPPORT */
tax	0:66300c77c6e9	96	#if CHAP_SUPPORT
tax	0:66300c77c6e9	97	#include "chap.h"
tax	0:66300c77c6e9	98	#endif /* CHAP_SUPPORT */
tax	0:66300c77c6e9	99	#include "ipcp.h"
tax	0:66300c77c6e9	100	#include "lcp.h"
tax	0:66300c77c6e9	101	#include "magic.h"
tax	0:66300c77c6e9	102	#include "auth.h"
tax	0:66300c77c6e9	103	#if VJ_SUPPORT
tax	0:66300c77c6e9	104	#include "vj.h"
tax	0:66300c77c6e9	105	#endif /* VJ_SUPPORT */
tax	0:66300c77c6e9	106	#if PPPOE_SUPPORT
tax	0:66300c77c6e9	107	#include "netif/ppp_oe.h"
tax	0:66300c77c6e9	108	#endif /* PPPOE_SUPPORT */
tax	0:66300c77c6e9	109
tax	0:66300c77c6e9	110	#include "lwip/tcpip.h"
tax	0:66300c77c6e9	111	#include "lwip/api.h"
tax	0:66300c77c6e9	112	#include "lwip/snmp.h"
tax	0:66300c77c6e9	113
tax	0:66300c77c6e9	114	#include <string.h>
tax	0:66300c77c6e9	115
tax	0:66300c77c6e9	116	/*************************/
tax	0:66300c77c6e9	117	/* LOCAL DEFINITIONS */
tax	0:66300c77c6e9	118	/*************************/
tax	0:66300c77c6e9	119
tax	0:66300c77c6e9	120	/** PPP_INPROC_MULTITHREADED==1 call pppInput using tcpip_callback().
tax	0:66300c77c6e9	121	* Set this to 0 if pppInProc is called inside tcpip_thread or with NO_SYS==1.
tax	0:66300c77c6e9	122	* Default is 1 for NO_SYS==0 (multithreaded) and 0 for NO_SYS==1 (single-threaded).
tax	0:66300c77c6e9	123	*/
tax	0:66300c77c6e9	124	#ifndef PPP_INPROC_MULTITHREADED
tax	0:66300c77c6e9	125	#define PPP_INPROC_MULTITHREADED (NO_SYS==0)
tax	0:66300c77c6e9	126	#endif
tax	0:66300c77c6e9	127
tax	0:66300c77c6e9	128	/** PPP_INPROC_OWNTHREAD==1: start a dedicated RX thread per PPP session.
tax	0:66300c77c6e9	129	* Default is 0: call pppos_input() for received raw characters, charcater
tax	0:66300c77c6e9	130	* reception is up to the port */
tax	0:66300c77c6e9	131	#ifndef PPP_INPROC_OWNTHREAD
tax	0:66300c77c6e9	132	#define PPP_INPROC_OWNTHREAD PPP_INPROC_MULTITHREADED
tax	0:66300c77c6e9	133	#endif
tax	0:66300c77c6e9	134
tax	0:66300c77c6e9	135	#if PPP_INPROC_OWNTHREAD && !PPP_INPROC_MULTITHREADED
tax	0:66300c77c6e9	136	#error "PPP_INPROC_OWNTHREAD needs PPP_INPROC_MULTITHREADED==1"
tax	0:66300c77c6e9	137	#endif
tax	0:66300c77c6e9	138
tax	0:66300c77c6e9	139	/*
tax	0:66300c77c6e9	140	* The basic PPP frame.
tax	0:66300c77c6e9	141	*/
tax	0:66300c77c6e9	142	#define PPP_ADDRESS(p) (((u_char *)(p))[0])
tax	0:66300c77c6e9	143	#define PPP_CONTROL(p) (((u_char *)(p))[1])
tax	0:66300c77c6e9	144	#define PPP_PROTOCOL(p) ((((u_char )(p))[2] << 8) + ((u_char )(p))[3])
tax	0:66300c77c6e9	145
tax	0:66300c77c6e9	146	/* PPP packet parser states. Current state indicates operation yet to be
tax	0:66300c77c6e9	147	* completed. */
tax	0:66300c77c6e9	148	typedef enum {
tax	0:66300c77c6e9	149	PDIDLE = 0, /* Idle state - waiting. */
tax	0:66300c77c6e9	150	PDSTART, /* Process start flag. */
tax	0:66300c77c6e9	151	PDADDRESS, /* Process address field. */
tax	0:66300c77c6e9	152	PDCONTROL, /* Process control field. */
tax	0:66300c77c6e9	153	PDPROTOCOL1, /* Process protocol field 1. */
tax	0:66300c77c6e9	154	PDPROTOCOL2, /* Process protocol field 2. */
tax	0:66300c77c6e9	155	PDDATA /* Process data byte. */
tax	0:66300c77c6e9	156	} PPPDevStates;
tax	0:66300c77c6e9	157
tax	0:66300c77c6e9	158	#define ESCAPE_P(accm, c) ((accm)[(c) >> 3] & pppACCMMask[c & 0x07])
tax	0:66300c77c6e9	159
tax	0:66300c77c6e9	160	/************************/
tax	0:66300c77c6e9	161	/* LOCAL DATA TYPES */
tax	0:66300c77c6e9	162	/************************/
tax	0:66300c77c6e9	163
tax	0:66300c77c6e9	164	/** RX buffer size: this may be configured smaller! */
tax	0:66300c77c6e9	165	#ifndef PPPOS_RX_BUFSIZE
tax	0:66300c77c6e9	166	#define PPPOS_RX_BUFSIZE (PPP_MRU + PPP_HDRLEN)
tax	0:66300c77c6e9	167	#endif
tax	0:66300c77c6e9	168
tax	0:66300c77c6e9	169	typedef struct PPPControlRx_s {
tax	0:66300c77c6e9	170	/** unit number / ppp descriptor */
tax	0:66300c77c6e9	171	int pd;
tax	0:66300c77c6e9	172	/** the rx file descriptor */
tax	0:66300c77c6e9	173	sio_fd_t fd;
tax	0:66300c77c6e9	174	/** receive buffer - encoded data is stored here */
tax	0:66300c77c6e9	175	u_char rxbuf[PPPOS_RX_BUFSIZE];
tax	0:66300c77c6e9	176
tax	0:66300c77c6e9	177	/* The input packet. */
tax	0:66300c77c6e9	178	struct pbuf inHead, inTail;
tax	0:66300c77c6e9	179
tax	0:66300c77c6e9	180	#if PPPOS_SUPPORT
tax	0:66300c77c6e9	181	u16_t inProtocol; /* The input protocol code. */
tax	0:66300c77c6e9	182	u16_t inFCS; /* Input Frame Check Sequence value. */
tax	0:66300c77c6e9	183	#endif /* PPPOS_SUPPORT */
tax	0:66300c77c6e9	184	PPPDevStates inState; /* The input process state. */
tax	0:66300c77c6e9	185	char inEscaped; /* Escape next character. */
tax	0:66300c77c6e9	186	ext_accm inACCM; /* Async-Ctl-Char-Map for input. */
tax	0:66300c77c6e9	187	} PPPControlRx;
tax	0:66300c77c6e9	188
tax	0:66300c77c6e9	189	/*
tax	0:66300c77c6e9	190	* PPP interface control block.
tax	0:66300c77c6e9	191	*/
tax	0:66300c77c6e9	192	typedef struct PPPControl_s {
tax	0:66300c77c6e9	193	PPPControlRx rx;
tax	0:66300c77c6e9	194	char openFlag; /* True when in use. */
tax	0:66300c77c6e9	195	#if PPPOE_SUPPORT
tax	0:66300c77c6e9	196	struct netif *ethif;
tax	0:66300c77c6e9	197	struct pppoe_softc *pppoe_sc;
tax	0:66300c77c6e9	198	#endif /* PPPOE_SUPPORT */
tax	0:66300c77c6e9	199	int if_up; /* True when the interface is up. */
tax	0:66300c77c6e9	200	int errCode; /* Code indicating why interface is down. */
tax	0:66300c77c6e9	201	#if PPPOS_SUPPORT
tax	0:66300c77c6e9	202	sio_fd_t fd; /* File device ID of port. */
tax	0:66300c77c6e9	203	#endif /* PPPOS_SUPPORT */
tax	0:66300c77c6e9	204	u16_t mtu; /* Peer's mru */
tax	0:66300c77c6e9	205	int pcomp; /* Does peer accept protocol compression? */
tax	0:66300c77c6e9	206	int accomp; /* Does peer accept addr/ctl compression? */
tax	0:66300c77c6e9	207	u_long lastXMit; /* Time of last transmission. */
tax	0:66300c77c6e9	208	ext_accm outACCM; /* Async-Ctl-Char-Map for output. */
tax	0:66300c77c6e9	209	#if PPPOS_SUPPORT && VJ_SUPPORT
tax	0:66300c77c6e9	210	int vjEnabled; /* Flag indicating VJ compression enabled. */
tax	0:66300c77c6e9	211	struct vjcompress vjComp; /* Van Jacobson compression header. */
tax	0:66300c77c6e9	212	#endif /* PPPOS_SUPPORT && VJ_SUPPORT */
tax	0:66300c77c6e9	213
tax	0:66300c77c6e9	214	struct netif netif;
tax	0:66300c77c6e9	215
tax	0:66300c77c6e9	216	struct ppp_addrs addrs;
tax	0:66300c77c6e9	217
tax	0:66300c77c6e9	218	void (linkStatusCB)(void ctx, int errCode, void *arg);
tax	0:66300c77c6e9	219	void *linkStatusCtx;
tax	0:66300c77c6e9	220
tax	0:66300c77c6e9	221	} PPPControl;
tax	0:66300c77c6e9	222
tax	0:66300c77c6e9	223
tax	0:66300c77c6e9	224	/*
tax	0:66300c77c6e9	225	* Ioctl definitions.
tax	0:66300c77c6e9	226	*/
tax	0:66300c77c6e9	227
tax	0:66300c77c6e9	228	struct npioctl {
tax	0:66300c77c6e9	229	int protocol; /* PPP procotol, e.g. PPP_IP */
tax	0:66300c77c6e9	230	enum NPmode mode;
tax	0:66300c77c6e9	231	};
tax	0:66300c77c6e9	232
tax	0:66300c77c6e9	233
tax	0:66300c77c6e9	234
tax	0:66300c77c6e9	235	/***********************************/
tax	0:66300c77c6e9	236	/* LOCAL FUNCTION DECLARATIONS */
tax	0:66300c77c6e9	237	/***********************************/
tax	0:66300c77c6e9	238	#if PPPOS_SUPPORT
tax	0:66300c77c6e9	239	#if PPP_INPROC_OWNTHREAD
tax	0:66300c77c6e9	240	static void pppInputThread(void *arg);
tax	0:66300c77c6e9	241	#endif /* PPP_INPROC_OWNTHREAD */
tax	0:66300c77c6e9	242	static void pppDrop(PPPControlRx *pcrx);
tax	0:66300c77c6e9	243	static void pppInProc(PPPControlRx pcrx, u_char s, int l);
tax	0:66300c77c6e9	244	#endif /* PPPOS_SUPPORT */
tax	0:66300c77c6e9	245
tax	0:66300c77c6e9	246
tax	0:66300c77c6e9	247	/******************************/
tax	0:66300c77c6e9	248	/* PUBLIC DATA STRUCTURES */
tax	0:66300c77c6e9	249	/******************************/
tax	0:66300c77c6e9	250	u_long subnetMask;
tax	0:66300c77c6e9	251
tax	0:66300c77c6e9	252	static PPPControl pppControl[NUM_PPP] MEM_POSITION; /* The PPP interface control blocks. */
tax	0:66300c77c6e9	253
tax	0:66300c77c6e9	254	/*
tax	0:66300c77c6e9	255	* PPP Data Link Layer "protocol" table.
tax	0:66300c77c6e9	256	* One entry per supported protocol.
tax	0:66300c77c6e9	257	* The last entry must be NULL.
tax	0:66300c77c6e9	258	*/
tax	0:66300c77c6e9	259	struct protent *ppp_protocols[] = {
tax	0:66300c77c6e9	260	&lcp_protent,
tax	0:66300c77c6e9	261	#if PAP_SUPPORT
tax	0:66300c77c6e9	262	&pap_protent,
tax	0:66300c77c6e9	263	#endif /* PAP_SUPPORT */
tax	0:66300c77c6e9	264	#if CHAP_SUPPORT
tax	0:66300c77c6e9	265	&chap_protent,
tax	0:66300c77c6e9	266	#endif /* CHAP_SUPPORT */
tax	0:66300c77c6e9	267	#if CBCP_SUPPORT
tax	0:66300c77c6e9	268	&cbcp_protent,
tax	0:66300c77c6e9	269	#endif /* CBCP_SUPPORT */
tax	0:66300c77c6e9	270	&ipcp_protent,
tax	0:66300c77c6e9	271	#if CCP_SUPPORT
tax	0:66300c77c6e9	272	&ccp_protent,
tax	0:66300c77c6e9	273	#endif /* CCP_SUPPORT */
tax	0:66300c77c6e9	274	NULL
tax	0:66300c77c6e9	275	};
tax	0:66300c77c6e9	276
tax	0:66300c77c6e9	277
tax	0:66300c77c6e9	278	/*
tax	0:66300c77c6e9	279	* Buffers for outgoing packets. This must be accessed only from the appropriate
tax	0:66300c77c6e9	280	* PPP task so that it doesn't need to be protected to avoid collisions.
tax	0:66300c77c6e9	281	*/
tax	0:66300c77c6e9	282	u_char outpacket_buf[NUM_PPP][PPP_MRU+PPP_HDRLEN] MEM_POSITION;
tax	0:66300c77c6e9	283
tax	0:66300c77c6e9	284
tax	0:66300c77c6e9	285	/*****************************/
tax	0:66300c77c6e9	286	/* LOCAL DATA STRUCTURES */
tax	0:66300c77c6e9	287	/*****************************/
tax	0:66300c77c6e9	288
tax	0:66300c77c6e9	289	#if PPPOS_SUPPORT
tax	0:66300c77c6e9	290	/*
tax	0:66300c77c6e9	291	* FCS lookup table as calculated by genfcstab.
tax	0:66300c77c6e9	292	* @todo: smaller, slower implementation for lower memory footprint?
tax	0:66300c77c6e9	293	*/
tax	0:66300c77c6e9	294	static const u_short fcstab[256] = {
tax	0:66300c77c6e9	295	0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
tax	0:66300c77c6e9	296	0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,
tax	0:66300c77c6e9	297	0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e,
tax	0:66300c77c6e9	298	0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876,
tax	0:66300c77c6e9	299	0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd,
tax	0:66300c77c6e9	300	0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5,
tax	0:66300c77c6e9	301	0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c,
tax	0:66300c77c6e9	302	0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974,
tax	0:66300c77c6e9	303	0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb,
tax	0:66300c77c6e9	304	0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3,
tax	0:66300c77c6e9	305	0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a,
tax	0:66300c77c6e9	306	0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72,
tax	0:66300c77c6e9	307	0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9,
tax	0:66300c77c6e9	308	0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,
tax	0:66300c77c6e9	309	0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738,
tax	0:66300c77c6e9	310	0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70,
tax	0:66300c77c6e9	311	0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7,
tax	0:66300c77c6e9	312	0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
tax	0:66300c77c6e9	313	0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036,
tax	0:66300c77c6e9	314	0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e,
tax	0:66300c77c6e9	315	0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5,
tax	0:66300c77c6e9	316	0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd,
tax	0:66300c77c6e9	317	0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134,
tax	0:66300c77c6e9	318	0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c,
tax	0:66300c77c6e9	319	0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3,
tax	0:66300c77c6e9	320	0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb,
tax	0:66300c77c6e9	321	0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232,
tax	0:66300c77c6e9	322	0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a,
tax	0:66300c77c6e9	323	0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1,
tax	0:66300c77c6e9	324	0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9,
tax	0:66300c77c6e9	325	0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330,
tax	0:66300c77c6e9	326	0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78
tax	0:66300c77c6e9	327	};
tax	0:66300c77c6e9	328
tax	0:66300c77c6e9	329	/* PPP's Asynchronous-Control-Character-Map. The mask array is used
tax	0:66300c77c6e9	330	* to select the specific bit for a character. */
tax	0:66300c77c6e9	331	static u_char pppACCMMask[] = {
tax	0:66300c77c6e9	332	0x01,
tax	0:66300c77c6e9	333	0x02,
tax	0:66300c77c6e9	334	0x04,
tax	0:66300c77c6e9	335	0x08,
tax	0:66300c77c6e9	336	0x10,
tax	0:66300c77c6e9	337	0x20,
tax	0:66300c77c6e9	338	0x40,
tax	0:66300c77c6e9	339	0x80
tax	0:66300c77c6e9	340	};
tax	0:66300c77c6e9	341
tax	0:66300c77c6e9	342	/** Wake up the task blocked in reading from serial line (if any) */
tax	0:66300c77c6e9	343	static void
tax	0:66300c77c6e9	344	pppRecvWakeup(int pd)
tax	0:66300c77c6e9	345	{
tax	0:66300c77c6e9	346	PPPDEBUG(LOG_DEBUG, ("pppRecvWakeup: unit %d\n", pd));
tax	0:66300c77c6e9	347	sio_read_abort(pppControl[pd].fd);
tax	0:66300c77c6e9	348	}
tax	0:66300c77c6e9	349	#endif /* PPPOS_SUPPORT */
tax	0:66300c77c6e9	350
tax	0:66300c77c6e9	351	void
tax	0:66300c77c6e9	352	pppLinkTerminated(int pd)
tax	0:66300c77c6e9	353	{
tax	0:66300c77c6e9	354	PPPDEBUG(LOG_DEBUG, ("pppLinkTerminated: unit %d\n", pd));
tax	0:66300c77c6e9	355
tax	0:66300c77c6e9	356	#if PPPOE_SUPPORT
tax	0:66300c77c6e9	357	if (pppControl[pd].ethif) {
tax	0:66300c77c6e9	358	pppoe_disconnect(pppControl[pd].pppoe_sc);
tax	0:66300c77c6e9	359	} else
tax	0:66300c77c6e9	360	#endif /* PPPOE_SUPPORT */
tax	0:66300c77c6e9	361	{
tax	0:66300c77c6e9	362	#if PPPOS_SUPPORT
tax	0:66300c77c6e9	363	PPPControl* pc;
tax	0:66300c77c6e9	364	pppRecvWakeup(pd);
tax	0:66300c77c6e9	365	pc = &pppControl[pd];
tax	0:66300c77c6e9	366	pppDrop(&pc->rx); /* bug fix #17726 */
tax	0:66300c77c6e9	367
tax	0:66300c77c6e9	368	PPPDEBUG(LOG_DEBUG, ("pppLinkTerminated: unit %d: linkStatusCB=%p errCode=%d\n", pd, pc->linkStatusCB, pc->errCode));
tax	0:66300c77c6e9	369	if (pc->linkStatusCB) {
tax	0:66300c77c6e9	370	pc->linkStatusCB(pc->linkStatusCtx, pc->errCode ? pc->errCode : PPPERR_PROTOCOL, NULL);
tax	0:66300c77c6e9	371	}
tax	0:66300c77c6e9	372
tax	0:66300c77c6e9	373	pc->openFlag = 0;/**/
tax	0:66300c77c6e9	374	#endif /* PPPOS_SUPPORT */
tax	0:66300c77c6e9	375	}
tax	0:66300c77c6e9	376	PPPDEBUG(LOG_DEBUG, ("pppLinkTerminated: finished.\n"));
tax	0:66300c77c6e9	377	}
tax	0:66300c77c6e9	378
tax	0:66300c77c6e9	379	void
tax	0:66300c77c6e9	380	pppLinkDown(int pd)
tax	0:66300c77c6e9	381	{
tax	0:66300c77c6e9	382	PPPDEBUG(LOG_DEBUG, ("pppLinkDown: unit %d\n", pd));
tax	0:66300c77c6e9	383
tax	0:66300c77c6e9	384	#if PPPOE_SUPPORT
tax	0:66300c77c6e9	385	if (pppControl[pd].ethif) {
tax	0:66300c77c6e9	386	pppoe_disconnect(pppControl[pd].pppoe_sc);
tax	0:66300c77c6e9	387	} else
tax	0:66300c77c6e9	388	#endif /* PPPOE_SUPPORT */
tax	0:66300c77c6e9	389	{
tax	0:66300c77c6e9	390	#if PPPOS_SUPPORT
tax	0:66300c77c6e9	391	pppRecvWakeup(pd);
tax	0:66300c77c6e9	392	#endif /* PPPOS_SUPPORT */
tax	0:66300c77c6e9	393	}
tax	0:66300c77c6e9	394	}
tax	0:66300c77c6e9	395
tax	0:66300c77c6e9	396	/** Initiate LCP open request */
tax	0:66300c77c6e9	397	static void
tax	0:66300c77c6e9	398	pppStart(int pd)
tax	0:66300c77c6e9	399	{
tax	0:66300c77c6e9	400	PPPDEBUG(LOG_DEBUG, ("pppStart: unit %d\n", pd));
tax	0:66300c77c6e9	401	lcp_lowerup(pd);
tax	0:66300c77c6e9	402	lcp_open(pd); /* Start protocol */
tax	0:66300c77c6e9	403	PPPDEBUG(LOG_DEBUG, ("pppStart: finished\n"));
tax	0:66300c77c6e9	404	}
tax	0:66300c77c6e9	405
tax	0:66300c77c6e9	406	/** LCP close request */
tax	0:66300c77c6e9	407	static void
tax	0:66300c77c6e9	408	pppStop(int pd)
tax	0:66300c77c6e9	409	{
tax	0:66300c77c6e9	410	PPPDEBUG(LOG_DEBUG, ("pppStop: unit %d\n", pd));
tax	0:66300c77c6e9	411	lcp_close(pd, "User request");
tax	0:66300c77c6e9	412	}
tax	0:66300c77c6e9	413
tax	0:66300c77c6e9	414	/** Called when carrier/link is lost */
tax	0:66300c77c6e9	415	static void
tax	0:66300c77c6e9	416	pppHup(int pd)
tax	0:66300c77c6e9	417	{
tax	0:66300c77c6e9	418	PPPDEBUG(LOG_DEBUG, ("pppHupCB: unit %d\n", pd));
tax	0:66300c77c6e9	419	lcp_lowerdown(pd);
tax	0:66300c77c6e9	420	link_terminated(pd);
tax	0:66300c77c6e9	421	}
tax	0:66300c77c6e9	422
tax	0:66300c77c6e9	423	/***********************************/
tax	0:66300c77c6e9	424	/* PUBLIC FUNCTION DEFINITIONS */
tax	0:66300c77c6e9	425	/***********************************/
tax	0:66300c77c6e9	426	/* Initialize the PPP subsystem. */
tax	0:66300c77c6e9	427
tax	0:66300c77c6e9	428	struct ppp_settings ppp_settings;
tax	0:66300c77c6e9	429
tax	0:66300c77c6e9	430	void
tax	0:66300c77c6e9	431	pppInit(void)
tax	0:66300c77c6e9	432	{
tax	0:66300c77c6e9	433	struct protent *protp;
tax	0:66300c77c6e9	434	int i, j;
tax	0:66300c77c6e9	435
tax	0:66300c77c6e9	436	memset(&ppp_settings, 0, sizeof(ppp_settings));
tax	0:66300c77c6e9	437	ppp_settings.usepeerdns = 1;
tax	0:66300c77c6e9	438	pppSetAuth(PPPAUTHTYPE_NONE, NULL, NULL);
tax	0:66300c77c6e9	439
tax	0:66300c77c6e9	440	magicInit();
tax	0:66300c77c6e9	441
tax	0:66300c77c6e9	442	subnetMask = PP_HTONL(0xffffff00);
tax	0:66300c77c6e9	443
tax	0:66300c77c6e9	444	for (i = 0; i < NUM_PPP; i++) {
tax	0:66300c77c6e9	445	/* Initialize each protocol to the standard option set. */
tax	0:66300c77c6e9	446	for (j = 0; (protp = ppp_protocols[j]) != NULL; ++j) {
tax	0:66300c77c6e9	447	(*protp->init)(i);
tax	0:66300c77c6e9	448	}
tax	0:66300c77c6e9	449	}
tax	0:66300c77c6e9	450	}
tax	0:66300c77c6e9	451
tax	0:66300c77c6e9	452	void
tax	0:66300c77c6e9	453	pppSetAuth(enum pppAuthType authType, const char user, const char passwd)
tax	0:66300c77c6e9	454	{
tax	0:66300c77c6e9	455	switch(authType) {
tax	0:66300c77c6e9	456	case PPPAUTHTYPE_NONE:
tax	0:66300c77c6e9	457	default:
tax	0:66300c77c6e9	458	#ifdef LWIP_PPP_STRICT_PAP_REJECT
tax	0:66300c77c6e9	459	ppp_settings.refuse_pap = 1;
tax	0:66300c77c6e9	460	#else /* LWIP_PPP_STRICT_PAP_REJECT */
tax	0:66300c77c6e9	461	/* some providers request pap and accept an empty login/pw */
tax	0:66300c77c6e9	462	ppp_settings.refuse_pap = 0;
tax	0:66300c77c6e9	463	#endif /* LWIP_PPP_STRICT_PAP_REJECT */
tax	0:66300c77c6e9	464	ppp_settings.refuse_chap = 1;
tax	0:66300c77c6e9	465	break;
tax	0:66300c77c6e9	466
tax	0:66300c77c6e9	467	case PPPAUTHTYPE_ANY:
tax	0:66300c77c6e9	468	/* Warning: Using PPPAUTHTYPE_ANY might have security consequences.
tax	0:66300c77c6e9	469	* RFC 1994 says:
tax	0:66300c77c6e9	470	*
tax	0:66300c77c6e9	471	* In practice, within or associated with each PPP server, there is a
tax	0:66300c77c6e9	472	* database which associates "user" names with authentication
tax	0:66300c77c6e9	473	* information ("secrets"). It is not anticipated that a particular
tax	0:66300c77c6e9	474	* named user would be authenticated by multiple methods. This would
tax	0:66300c77c6e9	475	* make the user vulnerable to attacks which negotiate the least secure
tax	0:66300c77c6e9	476	* method from among a set (such as PAP rather than CHAP). If the same
tax	0:66300c77c6e9	477	* secret was used, PAP would reveal the secret to be used later with
tax	0:66300c77c6e9	478	* CHAP.
tax	0:66300c77c6e9	479	*
tax	0:66300c77c6e9	480	* Instead, for each user name there should be an indication of exactly
tax	0:66300c77c6e9	481	* one method used to authenticate that user name. If a user needs to
tax	0:66300c77c6e9	482	* make use of different authentication methods under different
tax	0:66300c77c6e9	483	* circumstances, then distinct user names SHOULD be employed, each of
tax	0:66300c77c6e9	484	* which identifies exactly one authentication method.
tax	0:66300c77c6e9	485	*
tax	0:66300c77c6e9	486	*/
tax	0:66300c77c6e9	487	ppp_settings.refuse_pap = 0;
tax	0:66300c77c6e9	488	ppp_settings.refuse_chap = 0;
tax	0:66300c77c6e9	489	break;
tax	0:66300c77c6e9	490
tax	0:66300c77c6e9	491	case PPPAUTHTYPE_PAP:
tax	0:66300c77c6e9	492	ppp_settings.refuse_pap = 0;
tax	0:66300c77c6e9	493	ppp_settings.refuse_chap = 1;
tax	0:66300c77c6e9	494	break;
tax	0:66300c77c6e9	495
tax	0:66300c77c6e9	496	case PPPAUTHTYPE_CHAP:
tax	0:66300c77c6e9	497	ppp_settings.refuse_pap = 1;
tax	0:66300c77c6e9	498	ppp_settings.refuse_chap = 0;
tax	0:66300c77c6e9	499	break;
tax	0:66300c77c6e9	500	}
tax	0:66300c77c6e9	501
tax	0:66300c77c6e9	502	if(user) {
tax	0:66300c77c6e9	503	strncpy(ppp_settings.user, user, sizeof(ppp_settings.user)-1);
tax	0:66300c77c6e9	504	ppp_settings.user[sizeof(ppp_settings.user)-1] = '\0';
tax	0:66300c77c6e9	505	} else {
tax	0:66300c77c6e9	506	ppp_settings.user[0] = '\0';
tax	0:66300c77c6e9	507	}
tax	0:66300c77c6e9	508
tax	0:66300c77c6e9	509	if(passwd) {
tax	0:66300c77c6e9	510	strncpy(ppp_settings.passwd, passwd, sizeof(ppp_settings.passwd)-1);
tax	0:66300c77c6e9	511	ppp_settings.passwd[sizeof(ppp_settings.passwd)-1] = '\0';
tax	0:66300c77c6e9	512	} else {
tax	0:66300c77c6e9	513	ppp_settings.passwd[0] = '\0';
tax	0:66300c77c6e9	514	}
tax	0:66300c77c6e9	515	}
tax	0:66300c77c6e9	516
tax	0:66300c77c6e9	517	#if PPPOS_SUPPORT
tax	0:66300c77c6e9	518	/** Open a new PPP connection using the given I/O device.
tax	0:66300c77c6e9	519	* This initializes the PPP control block but does not
tax	0:66300c77c6e9	520	* attempt to negotiate the LCP session. If this port
tax	0:66300c77c6e9	521	* connects to a modem, the modem connection must be
tax	0:66300c77c6e9	522	* established before calling this.
tax	0:66300c77c6e9	523	* Return a new PPP connection descriptor on success or
tax	0:66300c77c6e9	524	* an error code (negative) on failure.
tax	0:66300c77c6e9	525	*
tax	0:66300c77c6e9	526	* pppOpen() is directly defined to this function.
tax	0:66300c77c6e9	527	*/
tax	0:66300c77c6e9	528	int
tax	0:66300c77c6e9	529	pppOverSerialOpen(sio_fd_t fd, void (linkStatusCB)(void ctx, int errCode, void arg), void linkStatusCtx)
tax	0:66300c77c6e9	530	{
tax	0:66300c77c6e9	531	PPPControl *pc;
tax	0:66300c77c6e9	532	int pd;
tax	0:66300c77c6e9	533
tax	0:66300c77c6e9	534	if (linkStatusCB == NULL) {
tax	0:66300c77c6e9	535	/* PPP is single-threaded: without a callback,
tax	0:66300c77c6e9	536	* there is no way to know when the link is up. */
tax	0:66300c77c6e9	537	return PPPERR_PARAM;
tax	0:66300c77c6e9	538	}
tax	0:66300c77c6e9	539
tax	0:66300c77c6e9	540	/* Find a free PPP session descriptor. */
tax	0:66300c77c6e9	541	for (pd = 0; pd < NUM_PPP && pppControl[pd].openFlag != 0; pd++);
tax	0:66300c77c6e9	542
tax	0:66300c77c6e9	543	if (pd >= NUM_PPP) {
tax	0:66300c77c6e9	544	pd = PPPERR_OPEN;
tax	0:66300c77c6e9	545	} else {
tax	0:66300c77c6e9	546	pc = &pppControl[pd];
tax	0:66300c77c6e9	547	/* @todo: is this correct or do I overwrite something? */
tax	0:66300c77c6e9	548	memset(pc, 0, sizeof(PPPControl));
tax	0:66300c77c6e9	549	pc->rx.pd = pd;
tax	0:66300c77c6e9	550	pc->rx.fd = fd;
tax	0:66300c77c6e9	551
tax	0:66300c77c6e9	552	pc->openFlag = 1;
tax	0:66300c77c6e9	553	pc->fd = fd;
tax	0:66300c77c6e9	554
tax	0:66300c77c6e9	555	#if VJ_SUPPORT
tax	0:66300c77c6e9	556	vj_compress_init(&pc->vjComp);
tax	0:66300c77c6e9	557	#endif /* VJ_SUPPORT */
tax	0:66300c77c6e9	558
tax	0:66300c77c6e9	559	/*
tax	0:66300c77c6e9	560	* Default the in and out accm so that escape and flag characters
tax	0:66300c77c6e9	561	* are always escaped.
tax	0:66300c77c6e9	562	*/
tax	0:66300c77c6e9	563	pc->rx.inACCM[15] = 0x60; /* no need to protect since RX is not running */
tax	0:66300c77c6e9	564	pc->outACCM[15] = 0x60;
tax	0:66300c77c6e9	565
tax	0:66300c77c6e9	566	pc->linkStatusCB = linkStatusCB;
tax	0:66300c77c6e9	567	pc->linkStatusCtx = linkStatusCtx;
tax	0:66300c77c6e9	568
tax	0:66300c77c6e9	569	/*
tax	0:66300c77c6e9	570	* Start the connection and handle incoming events (packet or timeout).
tax	0:66300c77c6e9	571	*/
tax	0:66300c77c6e9	572	PPPDEBUG(LOG_INFO, ("pppOverSerialOpen: unit %d: Connecting\n", pd));
tax	0:66300c77c6e9	573	pppStart(pd);
tax	0:66300c77c6e9	574	#if PPP_INPROC_OWNTHREAD
tax	0:66300c77c6e9	575	sys_thread_new(PPP_THREAD_NAME, pppInputThread, (void*)&pc->rx, PPP_THREAD_STACKSIZE, PPP_THREAD_PRIO);
tax	0:66300c77c6e9	576	#endif
tax	0:66300c77c6e9	577	}
tax	0:66300c77c6e9	578
tax	0:66300c77c6e9	579	return pd;
tax	0:66300c77c6e9	580	}
tax	0:66300c77c6e9	581	#endif /* PPPOS_SUPPORT */
tax	0:66300c77c6e9	582
tax	0:66300c77c6e9	583	#if PPPOE_SUPPORT
tax	0:66300c77c6e9	584	static void pppOverEthernetLinkStatusCB(int pd, int up);
tax	0:66300c77c6e9	585
tax	0:66300c77c6e9	586	void
tax	0:66300c77c6e9	587	pppOverEthernetClose(int pd)
tax	0:66300c77c6e9	588	{
tax	0:66300c77c6e9	589	PPPControl* pc = &pppControl[pd];
tax	0:66300c77c6e9	590
tax	0:66300c77c6e9	591	/* TJL There's no lcp_deinit */
tax	0:66300c77c6e9	592	lcp_close(pd, NULL);
tax	0:66300c77c6e9	593
tax	0:66300c77c6e9	594	pppoe_destroy(&pc->netif);
tax	0:66300c77c6e9	595	}
tax	0:66300c77c6e9	596
tax	0:66300c77c6e9	597	int pppOverEthernetOpen(struct netif ethif, const char service_name, const char concentrator_name, void (linkStatusCB)(void ctx, int errCode, void arg), void *linkStatusCtx)
tax	0:66300c77c6e9	598	{
tax	0:66300c77c6e9	599	PPPControl *pc;
tax	0:66300c77c6e9	600	int pd;
tax	0:66300c77c6e9	601
tax	0:66300c77c6e9	602	LWIP_UNUSED_ARG(service_name);
tax	0:66300c77c6e9	603	LWIP_UNUSED_ARG(concentrator_name);
tax	0:66300c77c6e9	604
tax	0:66300c77c6e9	605	if (linkStatusCB == NULL) {
tax	0:66300c77c6e9	606	/* PPP is single-threaded: without a callback,
tax	0:66300c77c6e9	607	* there is no way to know when the link is up. */
tax	0:66300c77c6e9	608	return PPPERR_PARAM;
tax	0:66300c77c6e9	609	}
tax	0:66300c77c6e9	610
tax	0:66300c77c6e9	611	/* Find a free PPP session descriptor. Critical region? */
tax	0:66300c77c6e9	612	for (pd = 0; pd < NUM_PPP && pppControl[pd].openFlag != 0; pd++);
tax	0:66300c77c6e9	613	if (pd >= NUM_PPP) {
tax	0:66300c77c6e9	614	pd = PPPERR_OPEN;
tax	0:66300c77c6e9	615	} else {
tax	0:66300c77c6e9	616	pc = &pppControl[pd];
tax	0:66300c77c6e9	617	memset(pc, 0, sizeof(PPPControl));
tax	0:66300c77c6e9	618	pc->openFlag = 1;
tax	0:66300c77c6e9	619	pc->ethif = ethif;
tax	0:66300c77c6e9	620
tax	0:66300c77c6e9	621	pc->linkStatusCB = linkStatusCB;
tax	0:66300c77c6e9	622	pc->linkStatusCtx = linkStatusCtx;
tax	0:66300c77c6e9	623
tax	0:66300c77c6e9	624	lcp_wantoptions[pd].mru = PPPOE_MAXMTU;
tax	0:66300c77c6e9	625	lcp_wantoptions[pd].neg_asyncmap = 0;
tax	0:66300c77c6e9	626	lcp_wantoptions[pd].neg_pcompression = 0;
tax	0:66300c77c6e9	627	lcp_wantoptions[pd].neg_accompression = 0;
tax	0:66300c77c6e9	628
tax	0:66300c77c6e9	629	lcp_allowoptions[pd].mru = PPPOE_MAXMTU;
tax	0:66300c77c6e9	630	lcp_allowoptions[pd].neg_asyncmap = 0;
tax	0:66300c77c6e9	631	lcp_allowoptions[pd].neg_pcompression = 0;
tax	0:66300c77c6e9	632	lcp_allowoptions[pd].neg_accompression = 0;
tax	0:66300c77c6e9	633
tax	0:66300c77c6e9	634	if(pppoe_create(ethif, pd, pppOverEthernetLinkStatusCB, &pc->pppoe_sc) != ERR_OK) {
tax	0:66300c77c6e9	635	pc->openFlag = 0;
tax	0:66300c77c6e9	636	return PPPERR_OPEN;
tax	0:66300c77c6e9	637	}
tax	0:66300c77c6e9	638
tax	0:66300c77c6e9	639	pppoe_connect(pc->pppoe_sc);
tax	0:66300c77c6e9	640	}
tax	0:66300c77c6e9	641
tax	0:66300c77c6e9	642	return pd;
tax	0:66300c77c6e9	643	}
tax	0:66300c77c6e9	644	#endif /* PPPOE_SUPPORT */
tax	0:66300c77c6e9	645
tax	0:66300c77c6e9	646
tax	0:66300c77c6e9	647	/* Close a PPP connection and release the descriptor.
tax	0:66300c77c6e9	648	* Any outstanding packets in the queues are dropped.
tax	0:66300c77c6e9	649	* Return 0 on success, an error code on failure. */
tax	0:66300c77c6e9	650	int
tax	0:66300c77c6e9	651	pppClose(int pd)
tax	0:66300c77c6e9	652	{
tax	0:66300c77c6e9	653	PPPControl *pc = &pppControl[pd];
tax	0:66300c77c6e9	654	int st = 0;
tax	0:66300c77c6e9	655
tax	0:66300c77c6e9	656	PPPDEBUG(LOG_DEBUG, ("pppClose() called\n"));
tax	0:66300c77c6e9	657
tax	0:66300c77c6e9	658	/* Disconnect */
tax	0:66300c77c6e9	659	#if PPPOE_SUPPORT
tax	0:66300c77c6e9	660	if(pc->ethif) {
tax	0:66300c77c6e9	661	PPPDEBUG(LOG_DEBUG, ("pppClose: unit %d kill_link -> pppStop\n", pd));
tax	0:66300c77c6e9	662	pc->errCode = PPPERR_USER;
tax	0:66300c77c6e9	663	/* This will leave us at PHASE_DEAD. */
tax	0:66300c77c6e9	664	pppStop(pd);
tax	0:66300c77c6e9	665	} else
tax	0:66300c77c6e9	666	#endif /* PPPOE_SUPPORT */
tax	0:66300c77c6e9	667	{
tax	0:66300c77c6e9	668	#if PPPOS_SUPPORT
tax	0:66300c77c6e9	669	PPPDEBUG(LOG_DEBUG, ("pppClose: unit %d kill_link -> pppStop\n", pd));
tax	0:66300c77c6e9	670	pc->errCode = PPPERR_USER;
tax	0:66300c77c6e9	671	/* This will leave us at PHASE_DEAD. */
tax	0:66300c77c6e9	672	pppStop(pd);
tax	0:66300c77c6e9	673	pppRecvWakeup(pd);
tax	0:66300c77c6e9	674	#endif /* PPPOS_SUPPORT */
tax	0:66300c77c6e9	675	}
tax	0:66300c77c6e9	676
tax	0:66300c77c6e9	677	return st;
tax	0:66300c77c6e9	678	}
tax	0:66300c77c6e9	679
tax	0:66300c77c6e9	680	/* This function is called when carrier is lost on the PPP channel. */
tax	0:66300c77c6e9	681	void
tax	0:66300c77c6e9	682	pppSigHUP(int pd)
tax	0:66300c77c6e9	683	{
tax	0:66300c77c6e9	684	#if PPPOE_SUPPORT
tax	0:66300c77c6e9	685	PPPControl *pc = &pppControl[pd];
tax	0:66300c77c6e9	686	if(pc->ethif) {
tax	0:66300c77c6e9	687	PPPDEBUG(LOG_DEBUG, ("pppSigHUP: unit %d sig_hup -> pppHupCB\n", pd));
tax	0:66300c77c6e9	688	pppHup(pd);
tax	0:66300c77c6e9	689	} else
tax	0:66300c77c6e9	690	#endif /* PPPOE_SUPPORT */
tax	0:66300c77c6e9	691	{
tax	0:66300c77c6e9	692	#if PPPOS_SUPPORT
tax	0:66300c77c6e9	693	PPPDEBUG(LOG_DEBUG, ("pppSigHUP: unit %d sig_hup -> pppHupCB\n", pd));
tax	0:66300c77c6e9	694	pppHup(pd);
tax	0:66300c77c6e9	695	pppRecvWakeup(pd);
tax	0:66300c77c6e9	696	#endif /* PPPOS_SUPPORT */
tax	0:66300c77c6e9	697	}
tax	0:66300c77c6e9	698	}
tax	0:66300c77c6e9	699
tax	0:66300c77c6e9	700	#if PPPOS_SUPPORT
tax	0:66300c77c6e9	701	static void
tax	0:66300c77c6e9	702	nPut(PPPControl pc, struct pbuf nb)
tax	0:66300c77c6e9	703	{
tax	0:66300c77c6e9	704	struct pbuf *b;
tax	0:66300c77c6e9	705	int c;
tax	0:66300c77c6e9	706
tax	0:66300c77c6e9	707	for(b = nb; b != NULL; b = b->next) {
tax	0:66300c77c6e9	708	if((c = sio_write(pc->fd, (u8_t *)b->payload, b->len)) != b->len) {
tax	0:66300c77c6e9	709	PPPDEBUG(LOG_WARNING,
tax	0:66300c77c6e9	710	("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));
tax	0:66300c77c6e9	711	LINK_STATS_INC(link.err);
tax	0:66300c77c6e9	712	pc->lastXMit = 0; /* prepend PPP_FLAG to next packet */
tax	0:66300c77c6e9	713	snmp_inc_ifoutdiscards(&pc->netif);
tax	0:66300c77c6e9	714	pbuf_free(nb);
tax	0:66300c77c6e9	715	return;
tax	0:66300c77c6e9	716	}
tax	0:66300c77c6e9	717	}
tax	0:66300c77c6e9	718
tax	0:66300c77c6e9	719	snmp_add_ifoutoctets(&pc->netif, nb->tot_len);
tax	0:66300c77c6e9	720	snmp_inc_ifoutucastpkts(&pc->netif);
tax	0:66300c77c6e9	721	pbuf_free(nb);
tax	0:66300c77c6e9	722	LINK_STATS_INC(link.xmit);
tax	0:66300c77c6e9	723	}
tax	0:66300c77c6e9	724
tax	0:66300c77c6e9	725	/*
tax	0:66300c77c6e9	726	* pppAppend - append given character to end of given pbuf. If outACCM
tax	0:66300c77c6e9	727	* is not NULL and the character needs to be escaped, do so.
tax	0:66300c77c6e9	728	* If pbuf is full, append another.
tax	0:66300c77c6e9	729	* Return the current pbuf.
tax	0:66300c77c6e9	730	*/
tax	0:66300c77c6e9	731	static struct pbuf *
tax	0:66300c77c6e9	732	pppAppend(u_char c, struct pbuf nb, ext_accm outACCM)
tax	0:66300c77c6e9	733	{
tax	0:66300c77c6e9	734	struct pbuf *tb = nb;
tax	0:66300c77c6e9	735
tax	0:66300c77c6e9	736	/* Make sure there is room for the character and an escape code.
tax	0:66300c77c6e9	737	* Sure we don't quite fill the buffer if the character doesn't
tax	0:66300c77c6e9	738	* get escaped but is one character worth complicating this? */
tax	0:66300c77c6e9	739	/* Note: We assume no packet header. */
tax	0:66300c77c6e9	740	if (nb && (PBUF_POOL_BUFSIZE - nb->len) < 2) {
tax	0:66300c77c6e9	741	tb = pbuf_alloc(PBUF_RAW, 0, PBUF_POOL);
tax	0:66300c77c6e9	742	if (tb) {
tax	0:66300c77c6e9	743	nb->next = tb;
tax	0:66300c77c6e9	744	} else {
tax	0:66300c77c6e9	745	LINK_STATS_INC(link.memerr);
tax	0:66300c77c6e9	746	}
tax	0:66300c77c6e9	747	nb = tb;
tax	0:66300c77c6e9	748	}
tax	0:66300c77c6e9	749
tax	0:66300c77c6e9	750	if (nb) {
tax	0:66300c77c6e9	751	if (outACCM && ESCAPE_P(*outACCM, c)) {
tax	0:66300c77c6e9	752	((u_char)nb->payload + nb->len++) = PPP_ESCAPE;
tax	0:66300c77c6e9	753	((u_char)nb->payload + nb->len++) = c ^ PPP_TRANS;
tax	0:66300c77c6e9	754	} else {
tax	0:66300c77c6e9	755	((u_char)nb->payload + nb->len++) = c;
tax	0:66300c77c6e9	756	}
tax	0:66300c77c6e9	757	}
tax	0:66300c77c6e9	758
tax	0:66300c77c6e9	759	return tb;
tax	0:66300c77c6e9	760	}
tax	0:66300c77c6e9	761	#endif /* PPPOS_SUPPORT */
tax	0:66300c77c6e9	762
tax	0:66300c77c6e9	763	#if PPPOE_SUPPORT
tax	0:66300c77c6e9	764	static err_t
tax	0:66300c77c6e9	765	pppifOutputOverEthernet(int pd, struct pbuf *p)
tax	0:66300c77c6e9	766	{
tax	0:66300c77c6e9	767	PPPControl *pc = &pppControl[pd];
tax	0:66300c77c6e9	768	struct pbuf *pb;
tax	0:66300c77c6e9	769	u_short protocol = PPP_IP;
tax	0:66300c77c6e9	770	int i=0;
tax	0:66300c77c6e9	771	u16_t tot_len;
tax	0:66300c77c6e9	772
tax	0:66300c77c6e9	773	/* @todo: try to use pbuf_header() here! */
tax	0:66300c77c6e9	774	pb = pbuf_alloc(PBUF_LINK, PPPOE_HDRLEN + sizeof(protocol), PBUF_RAM);
tax	0:66300c77c6e9	775	if(!pb) {
tax	0:66300c77c6e9	776	LINK_STATS_INC(link.memerr);
tax	0:66300c77c6e9	777	LINK_STATS_INC(link.proterr);
tax	0:66300c77c6e9	778	snmp_inc_ifoutdiscards(&pc->netif);
tax	0:66300c77c6e9	779	return ERR_MEM;
tax	0:66300c77c6e9	780	}
tax	0:66300c77c6e9	781
tax	0:66300c77c6e9	782	pbuf_header(pb, -(s16_t)PPPOE_HDRLEN);
tax	0:66300c77c6e9	783
tax	0:66300c77c6e9	784	pc->lastXMit = sys_jiffies();
tax	0:66300c77c6e9	785
tax	0:66300c77c6e9	786	if (!pc->pcomp \|\| protocol > 0xFF) {
tax	0:66300c77c6e9	787	((u_char)pb->payload + i++) = (protocol >> 8) & 0xFF;
tax	0:66300c77c6e9	788	}
tax	0:66300c77c6e9	789	((u_char)pb->payload + i) = protocol & 0xFF;
tax	0:66300c77c6e9	790
tax	0:66300c77c6e9	791	pbuf_chain(pb, p);
tax	0:66300c77c6e9	792	tot_len = pb->tot_len;
tax	0:66300c77c6e9	793
tax	0:66300c77c6e9	794	if(pppoe_xmit(pc->pppoe_sc, pb) != ERR_OK) {
tax	0:66300c77c6e9	795	LINK_STATS_INC(link.err);
tax	0:66300c77c6e9	796	snmp_inc_ifoutdiscards(&pc->netif);
tax	0:66300c77c6e9	797	return PPPERR_DEVICE;
tax	0:66300c77c6e9	798	}
tax	0:66300c77c6e9	799
tax	0:66300c77c6e9	800	snmp_add_ifoutoctets(&pc->netif, tot_len);
tax	0:66300c77c6e9	801	snmp_inc_ifoutucastpkts(&pc->netif);
tax	0:66300c77c6e9	802	LINK_STATS_INC(link.xmit);
tax	0:66300c77c6e9	803	return ERR_OK;
tax	0:66300c77c6e9	804	}
tax	0:66300c77c6e9	805	#endif /* PPPOE_SUPPORT */
tax	0:66300c77c6e9	806
tax	0:66300c77c6e9	807	/* Send a packet on the given connection. */
tax	0:66300c77c6e9	808	static err_t
tax	0:66300c77c6e9	809	pppifOutput(struct netif netif, struct pbuf pb, ip_addr_t *ipaddr)
tax	0:66300c77c6e9	810	{
tax	0:66300c77c6e9	811	int pd = (int)(size_t)netif->state;
tax	0:66300c77c6e9	812	PPPControl *pc = &pppControl[pd];
tax	0:66300c77c6e9	813	#if PPPOS_SUPPORT
tax	0:66300c77c6e9	814	u_short protocol = PPP_IP;
tax	0:66300c77c6e9	815	u_int fcsOut = PPP_INITFCS;
tax	0:66300c77c6e9	816	struct pbuf headMB = NULL, tailMB = NULL, *p;
tax	0:66300c77c6e9	817	u_char c;
tax	0:66300c77c6e9	818	#endif /* PPPOS_SUPPORT */
tax	0:66300c77c6e9	819
tax	0:66300c77c6e9	820	LWIP_UNUSED_ARG(ipaddr);
tax	0:66300c77c6e9	821
tax	0:66300c77c6e9	822	/* Validate parameters. */
tax	0:66300c77c6e9	823	/* We let any protocol value go through - it can't hurt us
tax	0:66300c77c6e9	824	* and the peer will just drop it if it's not accepting it. */
tax	0:66300c77c6e9	825	if (pd < 0 \|\| pd >= NUM_PPP \|\| !pc->openFlag \|\| !pb) {
tax	0:66300c77c6e9	826	PPPDEBUG(LOG_WARNING, ("pppifOutput[%d]: bad parms prot=%d pb=%p\n",
tax	0:66300c77c6e9	827	pd, PPP_IP, pb));
tax	0:66300c77c6e9	828	LINK_STATS_INC(link.opterr);
tax	0:66300c77c6e9	829	LINK_STATS_INC(link.drop);
tax	0:66300c77c6e9	830	snmp_inc_ifoutdiscards(netif);
tax	0:66300c77c6e9	831	return ERR_ARG;
tax	0:66300c77c6e9	832	}
tax	0:66300c77c6e9	833
tax	0:66300c77c6e9	834	/* Check that the link is up. */
tax	0:66300c77c6e9	835	if (lcp_phase[pd] == PHASE_DEAD) {
tax	0:66300c77c6e9	836	PPPDEBUG(LOG_ERR, ("pppifOutput[%d]: link not up\n", pd));
tax	0:66300c77c6e9	837	LINK_STATS_INC(link.rterr);
tax	0:66300c77c6e9	838	LINK_STATS_INC(link.drop);
tax	0:66300c77c6e9	839	snmp_inc_ifoutdiscards(netif);
tax	0:66300c77c6e9	840	return ERR_RTE;
tax	0:66300c77c6e9	841	}
tax	0:66300c77c6e9	842
tax	0:66300c77c6e9	843	#if PPPOE_SUPPORT
tax	0:66300c77c6e9	844	if(pc->ethif) {
tax	0:66300c77c6e9	845	return pppifOutputOverEthernet(pd, pb);
tax	0:66300c77c6e9	846	}
tax	0:66300c77c6e9	847	#endif /* PPPOE_SUPPORT */
tax	0:66300c77c6e9	848
tax	0:66300c77c6e9	849	#if PPPOS_SUPPORT
tax	0:66300c77c6e9	850	/* Grab an output buffer. */
tax	0:66300c77c6e9	851	headMB = pbuf_alloc(PBUF_RAW, 0, PBUF_POOL);
tax	0:66300c77c6e9	852	if (headMB == NULL) {
tax	0:66300c77c6e9	853	PPPDEBUG(LOG_WARNING, ("pppifOutput[%d]: first alloc fail\n", pd));
tax	0:66300c77c6e9	854	LINK_STATS_INC(link.memerr);
tax	0:66300c77c6e9	855	LINK_STATS_INC(link.drop);
tax	0:66300c77c6e9	856	snmp_inc_ifoutdiscards(netif);
tax	0:66300c77c6e9	857	return ERR_MEM;
tax	0:66300c77c6e9	858	}
tax	0:66300c77c6e9	859
tax	0:66300c77c6e9	860	#if VJ_SUPPORT
tax	0:66300c77c6e9	861	/*
tax	0:66300c77c6e9	862	* Attempt Van Jacobson header compression if VJ is configured and
tax	0:66300c77c6e9	863	* this is an IP packet.
tax	0:66300c77c6e9	864	*/
tax	0:66300c77c6e9	865	if (protocol == PPP_IP && pc->vjEnabled) {
tax	0:66300c77c6e9	866	switch (vj_compress_tcp(&pc->vjComp, pb)) {
tax	0:66300c77c6e9	867	case TYPE_IP:
tax	0:66300c77c6e9	868	/* No change...
tax	0:66300c77c6e9	869	protocol = PPP_IP_PROTOCOL; */
tax	0:66300c77c6e9	870	break;
tax	0:66300c77c6e9	871	case TYPE_COMPRESSED_TCP:
tax	0:66300c77c6e9	872	protocol = PPP_VJC_COMP;
tax	0:66300c77c6e9	873	break;
tax	0:66300c77c6e9	874	case TYPE_UNCOMPRESSED_TCP:
tax	0:66300c77c6e9	875	protocol = PPP_VJC_UNCOMP;
tax	0:66300c77c6e9	876	break;
tax	0:66300c77c6e9	877	default:
tax	0:66300c77c6e9	878	PPPDEBUG(LOG_WARNING, ("pppifOutput[%d]: bad IP packet\n", pd));
tax	0:66300c77c6e9	879	LINK_STATS_INC(link.proterr);
tax	0:66300c77c6e9	880	LINK_STATS_INC(link.drop);
tax	0:66300c77c6e9	881	snmp_inc_ifoutdiscards(netif);
tax	0:66300c77c6e9	882	pbuf_free(headMB);
tax	0:66300c77c6e9	883	return ERR_VAL;
tax	0:66300c77c6e9	884	}
tax	0:66300c77c6e9	885	}
tax	0:66300c77c6e9	886	#endif /* VJ_SUPPORT */
tax	0:66300c77c6e9	887
tax	0:66300c77c6e9	888	tailMB = headMB;
tax	0:66300c77c6e9	889
tax	0:66300c77c6e9	890	/* Build the PPP header. */
tax	0:66300c77c6e9	891	if ((sys_jiffies() - pc->lastXMit) >= PPP_MAXIDLEFLAG) {
tax	0:66300c77c6e9	892	tailMB = pppAppend(PPP_FLAG, tailMB, NULL);
tax	0:66300c77c6e9	893	}
tax	0:66300c77c6e9	894
tax	0:66300c77c6e9	895	pc->lastXMit = sys_jiffies();
tax	0:66300c77c6e9	896	if (!pc->accomp) {
tax	0:66300c77c6e9	897	fcsOut = PPP_FCS(fcsOut, PPP_ALLSTATIONS);
tax	0:66300c77c6e9	898	tailMB = pppAppend(PPP_ALLSTATIONS, tailMB, &pc->outACCM);
tax	0:66300c77c6e9	899	fcsOut = PPP_FCS(fcsOut, PPP_UI);
tax	0:66300c77c6e9	900	tailMB = pppAppend(PPP_UI, tailMB, &pc->outACCM);
tax	0:66300c77c6e9	901	}
tax	0:66300c77c6e9	902	if (!pc->pcomp \|\| protocol > 0xFF) {
tax	0:66300c77c6e9	903	c = (protocol >> 8) & 0xFF;
tax	0:66300c77c6e9	904	fcsOut = PPP_FCS(fcsOut, c);
tax	0:66300c77c6e9	905	tailMB = pppAppend(c, tailMB, &pc->outACCM);
tax	0:66300c77c6e9	906	}
tax	0:66300c77c6e9	907	c = protocol & 0xFF;
tax	0:66300c77c6e9	908	fcsOut = PPP_FCS(fcsOut, c);
tax	0:66300c77c6e9	909	tailMB = pppAppend(c, tailMB, &pc->outACCM);
tax	0:66300c77c6e9	910
tax	0:66300c77c6e9	911	/* Load packet. */
tax	0:66300c77c6e9	912	for(p = pb; p; p = p->next) {
tax	0:66300c77c6e9	913	int n;
tax	0:66300c77c6e9	914	u_char *sPtr;
tax	0:66300c77c6e9	915
tax	0:66300c77c6e9	916	sPtr = (u_char*)p->payload;
tax	0:66300c77c6e9	917	n = p->len;
tax	0:66300c77c6e9	918	while (n-- > 0) {
tax	0:66300c77c6e9	919	c = *sPtr++;
tax	0:66300c77c6e9	920
tax	0:66300c77c6e9	921	/* Update FCS before checking for special characters. */
tax	0:66300c77c6e9	922	fcsOut = PPP_FCS(fcsOut, c);
tax	0:66300c77c6e9	923
tax	0:66300c77c6e9	924	/* Copy to output buffer escaping special characters. */
tax	0:66300c77c6e9	925	tailMB = pppAppend(c, tailMB, &pc->outACCM);
tax	0:66300c77c6e9	926	}
tax	0:66300c77c6e9	927	}
tax	0:66300c77c6e9	928
tax	0:66300c77c6e9	929	/* Add FCS and trailing flag. */
tax	0:66300c77c6e9	930	c = ~fcsOut & 0xFF;
tax	0:66300c77c6e9	931	tailMB = pppAppend(c, tailMB, &pc->outACCM);
tax	0:66300c77c6e9	932	c = (~fcsOut >> 8) & 0xFF;
tax	0:66300c77c6e9	933	tailMB = pppAppend(c, tailMB, &pc->outACCM);
tax	0:66300c77c6e9	934	tailMB = pppAppend(PPP_FLAG, tailMB, NULL);
tax	0:66300c77c6e9	935
tax	0:66300c77c6e9	936	/* If we failed to complete the packet, throw it away. */
tax	0:66300c77c6e9	937	if (!tailMB) {
tax	0:66300c77c6e9	938	PPPDEBUG(LOG_WARNING,
tax	0:66300c77c6e9	939	("pppifOutput[%d]: Alloc err - dropping proto=%d\n",
tax	0:66300c77c6e9	940	pd, protocol));
tax	0:66300c77c6e9	941	pbuf_free(headMB);
tax	0:66300c77c6e9	942	LINK_STATS_INC(link.memerr);
tax	0:66300c77c6e9	943	LINK_STATS_INC(link.drop);
tax	0:66300c77c6e9	944	snmp_inc_ifoutdiscards(netif);
tax	0:66300c77c6e9	945	return ERR_MEM;
tax	0:66300c77c6e9	946	}
tax	0:66300c77c6e9	947
tax	0:66300c77c6e9	948	/* Send it. */
tax	0:66300c77c6e9	949	PPPDEBUG(LOG_INFO, ("pppifOutput[%d]: proto=0x%"X16_F"\n", pd, protocol));
tax	0:66300c77c6e9	950
tax	0:66300c77c6e9	951	nPut(pc, headMB);
tax	0:66300c77c6e9	952	#endif /* PPPOS_SUPPORT */
tax	0:66300c77c6e9	953
tax	0:66300c77c6e9	954	return ERR_OK;
tax	0:66300c77c6e9	955	}
tax	0:66300c77c6e9	956
tax	0:66300c77c6e9	957	/* Get and set parameters for the given connection.
tax	0:66300c77c6e9	958	* Return 0 on success, an error code on failure. */
tax	0:66300c77c6e9	959	int
tax	0:66300c77c6e9	960	pppIOCtl(int pd, int cmd, void *arg)
tax	0:66300c77c6e9	961	{
tax	0:66300c77c6e9	962	PPPControl *pc = &pppControl[pd];
tax	0:66300c77c6e9	963	int st = 0;
tax	0:66300c77c6e9	964
tax	0:66300c77c6e9	965	if (pd < 0 \|\| pd >= NUM_PPP) {
tax	0:66300c77c6e9	966	st = PPPERR_PARAM;
tax	0:66300c77c6e9	967	} else {
tax	0:66300c77c6e9	968	switch(cmd) {
tax	0:66300c77c6e9	969	case PPPCTLG_UPSTATUS: /* Get the PPP up status. */
tax	0:66300c77c6e9	970	if (arg) {
tax	0:66300c77c6e9	971	(int )arg = (int)(pc->if_up);
tax	0:66300c77c6e9	972	} else {
tax	0:66300c77c6e9	973	st = PPPERR_PARAM;
tax	0:66300c77c6e9	974	}
tax	0:66300c77c6e9	975	break;
tax	0:66300c77c6e9	976	case PPPCTLS_ERRCODE: /* Set the PPP error code. */
tax	0:66300c77c6e9	977	if (arg) {
tax	0:66300c77c6e9	978	pc->errCode = (int )arg;
tax	0:66300c77c6e9	979	} else {
tax	0:66300c77c6e9	980	st = PPPERR_PARAM;
tax	0:66300c77c6e9	981	}
tax	0:66300c77c6e9	982	break;
tax	0:66300c77c6e9	983	case PPPCTLG_ERRCODE: /* Get the PPP error code. */
tax	0:66300c77c6e9	984	if (arg) {
tax	0:66300c77c6e9	985	(int )arg = (int)(pc->errCode);
tax	0:66300c77c6e9	986	} else {
tax	0:66300c77c6e9	987	st = PPPERR_PARAM;
tax	0:66300c77c6e9	988	}
tax	0:66300c77c6e9	989	break;
tax	0:66300c77c6e9	990	#if PPPOS_SUPPORT
tax	0:66300c77c6e9	991	case PPPCTLG_FD: /* Get the fd associated with the ppp */
tax	0:66300c77c6e9	992	if (arg) {
tax	0:66300c77c6e9	993	(sio_fd_t )arg = pc->fd;
tax	0:66300c77c6e9	994	} else {
tax	0:66300c77c6e9	995	st = PPPERR_PARAM;
tax	0:66300c77c6e9	996	}
tax	0:66300c77c6e9	997	break;
tax	0:66300c77c6e9	998	#endif /* PPPOS_SUPPORT */
tax	0:66300c77c6e9	999	default:
tax	0:66300c77c6e9	1000	st = PPPERR_PARAM;
tax	0:66300c77c6e9	1001	break;
tax	0:66300c77c6e9	1002	}
tax	0:66300c77c6e9	1003	}
tax	0:66300c77c6e9	1004
tax	0:66300c77c6e9	1005	return st;
tax	0:66300c77c6e9	1006	}
tax	0:66300c77c6e9	1007
tax	0:66300c77c6e9	1008	/*
tax	0:66300c77c6e9	1009	* Return the Maximum Transmission Unit for the given PPP connection.
tax	0:66300c77c6e9	1010	*/
tax	0:66300c77c6e9	1011	u_short
tax	0:66300c77c6e9	1012	pppMTU(int pd)
tax	0:66300c77c6e9	1013	{
tax	0:66300c77c6e9	1014	PPPControl *pc = &pppControl[pd];
tax	0:66300c77c6e9	1015	u_short st;
tax	0:66300c77c6e9	1016
tax	0:66300c77c6e9	1017	/* Validate parameters. */
tax	0:66300c77c6e9	1018	if (pd < 0 \|\| pd >= NUM_PPP \|\| !pc->openFlag) {
tax	0:66300c77c6e9	1019	st = 0;
tax	0:66300c77c6e9	1020	} else {
tax	0:66300c77c6e9	1021	st = pc->mtu;
tax	0:66300c77c6e9	1022	}
tax	0:66300c77c6e9	1023
tax	0:66300c77c6e9	1024	return st;
tax	0:66300c77c6e9	1025	}
tax	0:66300c77c6e9	1026
tax	0:66300c77c6e9	1027	#if PPPOE_SUPPORT
tax	0:66300c77c6e9	1028	int
tax	0:66300c77c6e9	1029	pppWriteOverEthernet(int pd, const u_char *s, int n)
tax	0:66300c77c6e9	1030	{
tax	0:66300c77c6e9	1031	PPPControl *pc = &pppControl[pd];
tax	0:66300c77c6e9	1032	struct pbuf *pb;
tax	0:66300c77c6e9	1033
tax	0:66300c77c6e9	1034	/* skip address & flags */
tax	0:66300c77c6e9	1035	s += 2;
tax	0:66300c77c6e9	1036	n -= 2;
tax	0:66300c77c6e9	1037
tax	0:66300c77c6e9	1038	LWIP_ASSERT("PPPOE_HDRLEN + n <= 0xffff", PPPOE_HDRLEN + n <= 0xffff);
tax	0:66300c77c6e9	1039	pb = pbuf_alloc(PBUF_LINK, (u16_t)(PPPOE_HDRLEN + n), PBUF_RAM);
tax	0:66300c77c6e9	1040	if(!pb) {
tax	0:66300c77c6e9	1041	LINK_STATS_INC(link.memerr);
tax	0:66300c77c6e9	1042	LINK_STATS_INC(link.proterr);
tax	0:66300c77c6e9	1043	snmp_inc_ifoutdiscards(&pc->netif);
tax	0:66300c77c6e9	1044	return PPPERR_ALLOC;
tax	0:66300c77c6e9	1045	}
tax	0:66300c77c6e9	1046
tax	0:66300c77c6e9	1047	pbuf_header(pb, -(s16_t)PPPOE_HDRLEN);
tax	0:66300c77c6e9	1048
tax	0:66300c77c6e9	1049	pc->lastXMit = sys_jiffies();
tax	0:66300c77c6e9	1050
tax	0:66300c77c6e9	1051	MEMCPY(pb->payload, s, n);
tax	0:66300c77c6e9	1052
tax	0:66300c77c6e9	1053	if(pppoe_xmit(pc->pppoe_sc, pb) != ERR_OK) {
tax	0:66300c77c6e9	1054	LINK_STATS_INC(link.err);
tax	0:66300c77c6e9	1055	snmp_inc_ifoutdiscards(&pc->netif);
tax	0:66300c77c6e9	1056	return PPPERR_DEVICE;
tax	0:66300c77c6e9	1057	}
tax	0:66300c77c6e9	1058
tax	0:66300c77c6e9	1059	snmp_add_ifoutoctets(&pc->netif, (u16_t)n);
tax	0:66300c77c6e9	1060	snmp_inc_ifoutucastpkts(&pc->netif);
tax	0:66300c77c6e9	1061	LINK_STATS_INC(link.xmit);
tax	0:66300c77c6e9	1062	return PPPERR_NONE;
tax	0:66300c77c6e9	1063	}
tax	0:66300c77c6e9	1064	#endif /* PPPOE_SUPPORT */
tax	0:66300c77c6e9	1065
tax	0:66300c77c6e9	1066	/*
tax	0:66300c77c6e9	1067	* Write n characters to a ppp link.
tax	0:66300c77c6e9	1068	* RETURN: >= 0 Number of characters written
tax	0:66300c77c6e9	1069	* -1 Failed to write to device
tax	0:66300c77c6e9	1070	*/
tax	0:66300c77c6e9	1071	int
tax	0:66300c77c6e9	1072	pppWrite(int pd, const u_char *s, int n)
tax	0:66300c77c6e9	1073	{
tax	0:66300c77c6e9	1074	PPPControl *pc = &pppControl[pd];
tax	0:66300c77c6e9	1075	#if PPPOS_SUPPORT
tax	0:66300c77c6e9	1076	u_char c;
tax	0:66300c77c6e9	1077	u_int fcsOut;
tax	0:66300c77c6e9	1078	struct pbuf headMB, tailMB;
tax	0:66300c77c6e9	1079	#endif /* PPPOS_SUPPORT */
tax	0:66300c77c6e9	1080
tax	0:66300c77c6e9	1081	#if PPPOE_SUPPORT
tax	0:66300c77c6e9	1082	if(pc->ethif) {
tax	0:66300c77c6e9	1083	return pppWriteOverEthernet(pd, s, n);
tax	0:66300c77c6e9	1084	}
tax	0:66300c77c6e9	1085	#endif /* PPPOE_SUPPORT */
tax	0:66300c77c6e9	1086
tax	0:66300c77c6e9	1087	#if PPPOS_SUPPORT
tax	0:66300c77c6e9	1088	headMB = pbuf_alloc(PBUF_RAW, 0, PBUF_POOL);
tax	0:66300c77c6e9	1089	if (headMB == NULL) {
tax	0:66300c77c6e9	1090	LINK_STATS_INC(link.memerr);
tax	0:66300c77c6e9	1091	LINK_STATS_INC(link.proterr);
tax	0:66300c77c6e9	1092	snmp_inc_ifoutdiscards(&pc->netif);
tax	0:66300c77c6e9	1093	return PPPERR_ALLOC;
tax	0:66300c77c6e9	1094	}
tax	0:66300c77c6e9	1095
tax	0:66300c77c6e9	1096	tailMB = headMB;
tax	0:66300c77c6e9	1097
tax	0:66300c77c6e9	1098	/* If the link has been idle, we'll send a fresh flag character to
tax	0:66300c77c6e9	1099	* flush any noise. */
tax	0:66300c77c6e9	1100	if ((sys_jiffies() - pc->lastXMit) >= PPP_MAXIDLEFLAG) {
tax	0:66300c77c6e9	1101	tailMB = pppAppend(PPP_FLAG, tailMB, NULL);
tax	0:66300c77c6e9	1102	}
tax	0:66300c77c6e9	1103	pc->lastXMit = sys_jiffies();
tax	0:66300c77c6e9	1104
tax	0:66300c77c6e9	1105	fcsOut = PPP_INITFCS;
tax	0:66300c77c6e9	1106	/* Load output buffer. */
tax	0:66300c77c6e9	1107	while (n-- > 0) {
tax	0:66300c77c6e9	1108	c = *s++;
tax	0:66300c77c6e9	1109
tax	0:66300c77c6e9	1110	/* Update FCS before checking for special characters. */
tax	0:66300c77c6e9	1111	fcsOut = PPP_FCS(fcsOut, c);
tax	0:66300c77c6e9	1112
tax	0:66300c77c6e9	1113	/* Copy to output buffer escaping special characters. */
tax	0:66300c77c6e9	1114	tailMB = pppAppend(c, tailMB, &pc->outACCM);
tax	0:66300c77c6e9	1115	}
tax	0:66300c77c6e9	1116
tax	0:66300c77c6e9	1117	/* Add FCS and trailing flag. */
tax	0:66300c77c6e9	1118	c = ~fcsOut & 0xFF;
tax	0:66300c77c6e9	1119	tailMB = pppAppend(c, tailMB, &pc->outACCM);
tax	0:66300c77c6e9	1120	c = (~fcsOut >> 8) & 0xFF;
tax	0:66300c77c6e9	1121	tailMB = pppAppend(c, tailMB, &pc->outACCM);
tax	0:66300c77c6e9	1122	tailMB = pppAppend(PPP_FLAG, tailMB, NULL);
tax	0:66300c77c6e9	1123
tax	0:66300c77c6e9	1124	/* If we failed to complete the packet, throw it away.
tax	0:66300c77c6e9	1125	* Otherwise send it. */
tax	0:66300c77c6e9	1126	if (!tailMB) {
tax	0:66300c77c6e9	1127	PPPDEBUG(LOG_WARNING,
tax	0:66300c77c6e9	1128	("pppWrite[%d]: Alloc err - dropping pbuf len=%d\n", pd, headMB->len));
tax	0:66300c77c6e9	1129	/"pppWrite[%d]: Alloc err - dropping %d:%.H", pd, headMB->len, LWIP_MIN(headMB->len * 2, 40), headMB->payload)); */
tax	0:66300c77c6e9	1130	pbuf_free(headMB);
tax	0:66300c77c6e9	1131	LINK_STATS_INC(link.memerr);
tax	0:66300c77c6e9	1132	LINK_STATS_INC(link.proterr);
tax	0:66300c77c6e9	1133	snmp_inc_ifoutdiscards(&pc->netif);
tax	0:66300c77c6e9	1134	return PPPERR_ALLOC;
tax	0:66300c77c6e9	1135	}
tax	0:66300c77c6e9	1136
tax	0:66300c77c6e9	1137	PPPDEBUG(LOG_INFO, ("pppWrite[%d]: len=%d\n", pd, headMB->len));
tax	0:66300c77c6e9	1138	/* "pppWrite[%d]: %d:%.H", pd, headMB->len, LWIP_MIN(headMB->len 2, 40), headMB->payload)); */
tax	0:66300c77c6e9	1139	nPut(pc, headMB);
tax	0:66300c77c6e9	1140	#endif /* PPPOS_SUPPORT */
tax	0:66300c77c6e9	1141
tax	0:66300c77c6e9	1142	return PPPERR_NONE;
tax	0:66300c77c6e9	1143	}
tax	0:66300c77c6e9	1144
tax	0:66300c77c6e9	1145	/*
tax	0:66300c77c6e9	1146	* ppp_send_config - configure the transmit characteristics of
tax	0:66300c77c6e9	1147	* the ppp interface.
tax	0:66300c77c6e9	1148	*/
tax	0:66300c77c6e9	1149	void
tax	0:66300c77c6e9	1150	ppp_send_config( int unit, u16_t mtu, u32_t asyncmap, int pcomp, int accomp)
tax	0:66300c77c6e9	1151	{
tax	0:66300c77c6e9	1152	PPPControl *pc = &pppControl[unit];
tax	0:66300c77c6e9	1153	int i;
tax	0:66300c77c6e9	1154
tax	0:66300c77c6e9	1155	pc->mtu = mtu;
tax	0:66300c77c6e9	1156	pc->pcomp = pcomp;
tax	0:66300c77c6e9	1157	pc->accomp = accomp;
tax	0:66300c77c6e9	1158
tax	0:66300c77c6e9	1159	/* Load the ACCM bits for the 32 control codes. */
tax	0:66300c77c6e9	1160	for (i = 0; i < 32/8; i++) {
tax	0:66300c77c6e9	1161	pc->outACCM[i] = (u_char)((asyncmap >> (8 * i)) & 0xFF);
tax	0:66300c77c6e9	1162	}
tax	0:66300c77c6e9	1163	PPPDEBUG(LOG_INFO, ("ppp_send_config[%d]: outACCM=%X %X %X %X\n",
tax	0:66300c77c6e9	1164	unit,
tax	0:66300c77c6e9	1165	pc->outACCM[0], pc->outACCM[1], pc->outACCM[2], pc->outACCM[3]));
tax	0:66300c77c6e9	1166	}
tax	0:66300c77c6e9	1167
tax	0:66300c77c6e9	1168
tax	0:66300c77c6e9	1169	/*
tax	0:66300c77c6e9	1170	* ppp_set_xaccm - set the extended transmit ACCM for the interface.
tax	0:66300c77c6e9	1171	*/
tax	0:66300c77c6e9	1172	void
tax	0:66300c77c6e9	1173	ppp_set_xaccm(int unit, ext_accm *accm)
tax	0:66300c77c6e9	1174	{
tax	0:66300c77c6e9	1175	SMEMCPY(pppControl[unit].outACCM, accm, sizeof(ext_accm));
tax	0:66300c77c6e9	1176	PPPDEBUG(LOG_INFO, ("ppp_set_xaccm[%d]: outACCM=%X %X %X %X\n",
tax	0:66300c77c6e9	1177	unit,
tax	0:66300c77c6e9	1178	pppControl[unit].outACCM[0],
tax	0:66300c77c6e9	1179	pppControl[unit].outACCM[1],
tax	0:66300c77c6e9	1180	pppControl[unit].outACCM[2],
tax	0:66300c77c6e9	1181	pppControl[unit].outACCM[3]));
tax	0:66300c77c6e9	1182	}
tax	0:66300c77c6e9	1183
tax	0:66300c77c6e9	1184
tax	0:66300c77c6e9	1185	/*
tax	0:66300c77c6e9	1186	* ppp_recv_config - configure the receive-side characteristics of
tax	0:66300c77c6e9	1187	* the ppp interface.
tax	0:66300c77c6e9	1188	*/
tax	0:66300c77c6e9	1189	void
tax	0:66300c77c6e9	1190	ppp_recv_config( int unit, int mru, u32_t asyncmap, int pcomp, int accomp)
tax	0:66300c77c6e9	1191	{
tax	0:66300c77c6e9	1192	PPPControl *pc = &pppControl[unit];
tax	0:66300c77c6e9	1193	int i;
tax	0:66300c77c6e9	1194	SYS_ARCH_DECL_PROTECT(lev);
tax	0:66300c77c6e9	1195
tax	0:66300c77c6e9	1196	LWIP_UNUSED_ARG(accomp);
tax	0:66300c77c6e9	1197	LWIP_UNUSED_ARG(pcomp);
tax	0:66300c77c6e9	1198	LWIP_UNUSED_ARG(mru);
tax	0:66300c77c6e9	1199
tax	0:66300c77c6e9	1200	/* Load the ACCM bits for the 32 control codes. */
tax	0:66300c77c6e9	1201	SYS_ARCH_PROTECT(lev);
tax	0:66300c77c6e9	1202	for (i = 0; i < 32 / 8; i++) {
tax	0:66300c77c6e9	1203	/* @todo: does this work? ext_accm has been modified from pppd! */
tax	0:66300c77c6e9	1204	pc->rx.inACCM[i] = (u_char)(asyncmap >> (i * 8));
tax	0:66300c77c6e9	1205	}
tax	0:66300c77c6e9	1206	SYS_ARCH_UNPROTECT(lev);
tax	0:66300c77c6e9	1207	PPPDEBUG(LOG_INFO, ("ppp_recv_config[%d]: inACCM=%X %X %X %X\n",
tax	0:66300c77c6e9	1208	unit,
tax	0:66300c77c6e9	1209	pc->rx.inACCM[0], pc->rx.inACCM[1], pc->rx.inACCM[2], pc->rx.inACCM[3]));
tax	0:66300c77c6e9	1210	}
tax	0:66300c77c6e9	1211
tax	0:66300c77c6e9	1212	#if 0
tax	0:66300c77c6e9	1213	/*
tax	0:66300c77c6e9	1214	* ccp_test - ask kernel whether a given compression method
tax	0:66300c77c6e9	1215	* is acceptable for use. Returns 1 if the method and parameters
tax	0:66300c77c6e9	1216	* are OK, 0 if the method is known but the parameters are not OK
tax	0:66300c77c6e9	1217	* (e.g. code size should be reduced), or -1 if the method is unknown.
tax	0:66300c77c6e9	1218	*/
tax	0:66300c77c6e9	1219	int
tax	0:66300c77c6e9	1220	ccp_test( int unit, int opt_len, int for_transmit, u_char *opt_ptr)
tax	0:66300c77c6e9	1221	{
tax	0:66300c77c6e9	1222	return 0; /* XXX Currently no compression. */
tax	0:66300c77c6e9	1223	}
tax	0:66300c77c6e9	1224
tax	0:66300c77c6e9	1225	/*
tax	0:66300c77c6e9	1226	* ccp_flags_set - inform kernel about the current state of CCP.
tax	0:66300c77c6e9	1227	*/
tax	0:66300c77c6e9	1228	void
tax	0:66300c77c6e9	1229	ccp_flags_set(int unit, int isopen, int isup)
tax	0:66300c77c6e9	1230	{
tax	0:66300c77c6e9	1231	/* XXX */
tax	0:66300c77c6e9	1232	}
tax	0:66300c77c6e9	1233
tax	0:66300c77c6e9	1234	/*
tax	0:66300c77c6e9	1235	* ccp_fatal_error - returns 1 if decompression was disabled as a
tax	0:66300c77c6e9	1236	* result of an error detected after decompression of a packet,
tax	0:66300c77c6e9	1237	* 0 otherwise. This is necessary because of patent nonsense.
tax	0:66300c77c6e9	1238	*/
tax	0:66300c77c6e9	1239	int
tax	0:66300c77c6e9	1240	ccp_fatal_error(int unit)
tax	0:66300c77c6e9	1241	{
tax	0:66300c77c6e9	1242	/* XXX */
tax	0:66300c77c6e9	1243	return 0;
tax	0:66300c77c6e9	1244	}
tax	0:66300c77c6e9	1245	#endif
tax	0:66300c77c6e9	1246
tax	0:66300c77c6e9	1247	/*
tax	0:66300c77c6e9	1248	* get_idle_time - return how long the link has been idle.
tax	0:66300c77c6e9	1249	*/
tax	0:66300c77c6e9	1250	int
tax	0:66300c77c6e9	1251	get_idle_time(int u, struct ppp_idle *ip)
tax	0:66300c77c6e9	1252	{
tax	0:66300c77c6e9	1253	/* XXX */
tax	0:66300c77c6e9	1254	LWIP_UNUSED_ARG(u);
tax	0:66300c77c6e9	1255	LWIP_UNUSED_ARG(ip);
tax	0:66300c77c6e9	1256
tax	0:66300c77c6e9	1257	return 0;
tax	0:66300c77c6e9	1258	}
tax	0:66300c77c6e9	1259
tax	0:66300c77c6e9	1260
tax	0:66300c77c6e9	1261	/*
tax	0:66300c77c6e9	1262	* Return user specified netmask, modified by any mask we might determine
tax	0:66300c77c6e9	1263	* for address `addr' (in network byte order).
tax	0:66300c77c6e9	1264	* Here we scan through the system's list of interfaces, looking for
tax	0:66300c77c6e9	1265	* any non-point-to-point interfaces which might appear to be on the same
tax	0:66300c77c6e9	1266	* network as `addr'. If we find any, we OR in their netmask to the
tax	0:66300c77c6e9	1267	* user-specified netmask.
tax	0:66300c77c6e9	1268	*/
tax	0:66300c77c6e9	1269	u32_t
tax	0:66300c77c6e9	1270	GetMask(u32_t addr)
tax	0:66300c77c6e9	1271	{
tax	0:66300c77c6e9	1272	u32_t mask, nmask;
tax	0:66300c77c6e9	1273
tax	0:66300c77c6e9	1274	htonl(addr);
tax	0:66300c77c6e9	1275	if (IP_CLASSA(addr)) { /* determine network mask for address class */
tax	0:66300c77c6e9	1276	nmask = IP_CLASSA_NET;
tax	0:66300c77c6e9	1277	} else if (IP_CLASSB(addr)) {
tax	0:66300c77c6e9	1278	nmask = IP_CLASSB_NET;
tax	0:66300c77c6e9	1279	} else {
tax	0:66300c77c6e9	1280	nmask = IP_CLASSC_NET;
tax	0:66300c77c6e9	1281	}
tax	0:66300c77c6e9	1282
tax	0:66300c77c6e9	1283	/* class D nets are disallowed by bad_ip_adrs */
tax	0:66300c77c6e9	1284	mask = subnetMask \| htonl(nmask);
tax	0:66300c77c6e9	1285
tax	0:66300c77c6e9	1286	/* XXX
tax	0:66300c77c6e9	1287	* Scan through the system's network interfaces.
tax	0:66300c77c6e9	1288	* Get each netmask and OR them into our mask.
tax	0:66300c77c6e9	1289	*/
tax	0:66300c77c6e9	1290
tax	0:66300c77c6e9	1291	return mask;
tax	0:66300c77c6e9	1292	}
tax	0:66300c77c6e9	1293
tax	0:66300c77c6e9	1294	/*
tax	0:66300c77c6e9	1295	* sifvjcomp - config tcp header compression
tax	0:66300c77c6e9	1296	*/
tax	0:66300c77c6e9	1297	int
tax	0:66300c77c6e9	1298	sifvjcomp(int pd, int vjcomp, u8_t cidcomp, u8_t maxcid)
tax	0:66300c77c6e9	1299	{
tax	0:66300c77c6e9	1300	#if PPPOS_SUPPORT && VJ_SUPPORT
tax	0:66300c77c6e9	1301	PPPControl *pc = &pppControl[pd];
tax	0:66300c77c6e9	1302
tax	0:66300c77c6e9	1303	pc->vjEnabled = vjcomp;
tax	0:66300c77c6e9	1304	pc->vjComp.compressSlot = cidcomp;
tax	0:66300c77c6e9	1305	pc->vjComp.maxSlotIndex = maxcid;
tax	0:66300c77c6e9	1306	PPPDEBUG(LOG_INFO, ("sifvjcomp: VJ compress enable=%d slot=%d max slot=%d\n",
tax	0:66300c77c6e9	1307	vjcomp, cidcomp, maxcid));
tax	0:66300c77c6e9	1308	#else /* PPPOS_SUPPORT && VJ_SUPPORT */
tax	0:66300c77c6e9	1309	LWIP_UNUSED_ARG(pd);
tax	0:66300c77c6e9	1310	LWIP_UNUSED_ARG(vjcomp);
tax	0:66300c77c6e9	1311	LWIP_UNUSED_ARG(cidcomp);
tax	0:66300c77c6e9	1312	LWIP_UNUSED_ARG(maxcid);
tax	0:66300c77c6e9	1313	#endif /* PPPOS_SUPPORT && VJ_SUPPORT */
tax	0:66300c77c6e9	1314
tax	0:66300c77c6e9	1315	return 0;
tax	0:66300c77c6e9	1316	}
tax	0:66300c77c6e9	1317
tax	0:66300c77c6e9	1318	/*
tax	0:66300c77c6e9	1319	* pppifNetifInit - netif init callback
tax	0:66300c77c6e9	1320	*/
tax	0:66300c77c6e9	1321	static err_t
tax	0:66300c77c6e9	1322	pppifNetifInit(struct netif *netif)
tax	0:66300c77c6e9	1323	{
tax	0:66300c77c6e9	1324	netif->name[0] = 'p';
tax	0:66300c77c6e9	1325	netif->name[1] = 'p';
tax	0:66300c77c6e9	1326	netif->output = pppifOutput;
tax	0:66300c77c6e9	1327	netif->mtu = pppMTU((int)(size_t)netif->state);
tax	0:66300c77c6e9	1328	netif->flags = NETIF_FLAG_POINTTOPOINT \| NETIF_FLAG_LINK_UP;
tax	0:66300c77c6e9	1329	#if LWIP_NETIF_HOSTNAME
tax	0:66300c77c6e9	1330	/* @todo: Initialize interface hostname */
tax	0:66300c77c6e9	1331	/* netif_set_hostname(netif, "lwip"); */
tax	0:66300c77c6e9	1332	#endif /* LWIP_NETIF_HOSTNAME */
tax	0:66300c77c6e9	1333	return ERR_OK;
tax	0:66300c77c6e9	1334	}
tax	0:66300c77c6e9	1335
tax	0:66300c77c6e9	1336
tax	0:66300c77c6e9	1337	/*
tax	0:66300c77c6e9	1338	* sifup - Config the interface up and enable IP packets to pass.
tax	0:66300c77c6e9	1339	*/
tax	0:66300c77c6e9	1340	int
tax	0:66300c77c6e9	1341	sifup(int pd)
tax	0:66300c77c6e9	1342	{
tax	0:66300c77c6e9	1343	PPPControl *pc = &pppControl[pd];
tax	0:66300c77c6e9	1344	int st = 1;
tax	0:66300c77c6e9	1345
tax	0:66300c77c6e9	1346	if (pd < 0 \|\| pd >= NUM_PPP \|\| !pc->openFlag) {
tax	0:66300c77c6e9	1347	st = 0;
tax	0:66300c77c6e9	1348	PPPDEBUG(LOG_WARNING, ("sifup[%d]: bad parms\n", pd));
tax	0:66300c77c6e9	1349	} else {
tax	0:66300c77c6e9	1350	netif_remove(&pc->netif);
tax	0:66300c77c6e9	1351	if (netif_add(&pc->netif, &pc->addrs.our_ipaddr, &pc->addrs.netmask,
tax	0:66300c77c6e9	1352	&pc->addrs.his_ipaddr, (void *)(size_t)pd, pppifNetifInit, ip_input)) {
tax	0:66300c77c6e9	1353	netif_set_up(&pc->netif);
tax	0:66300c77c6e9	1354	pc->if_up = 1;
tax	0:66300c77c6e9	1355	pc->errCode = PPPERR_NONE;
tax	0:66300c77c6e9	1356
tax	0:66300c77c6e9	1357	PPPDEBUG(LOG_DEBUG, ("sifup: unit %d: linkStatusCB=%p errCode=%d\n", pd, pc->linkStatusCB, pc->errCode));
tax	0:66300c77c6e9	1358	if (pc->linkStatusCB) {
tax	0:66300c77c6e9	1359	pc->linkStatusCB(pc->linkStatusCtx, pc->errCode, &pc->addrs);
tax	0:66300c77c6e9	1360	}
tax	0:66300c77c6e9	1361	} else {
tax	0:66300c77c6e9	1362	st = 0;
tax	0:66300c77c6e9	1363	PPPDEBUG(LOG_ERR, ("sifup[%d]: netif_add failed\n", pd));
tax	0:66300c77c6e9	1364	}
tax	0:66300c77c6e9	1365	}
tax	0:66300c77c6e9	1366
tax	0:66300c77c6e9	1367	return st;
tax	0:66300c77c6e9	1368	}
tax	0:66300c77c6e9	1369
tax	0:66300c77c6e9	1370	/*
tax	0:66300c77c6e9	1371	* sifnpmode - Set the mode for handling packets for a given NP.
tax	0:66300c77c6e9	1372	*/
tax	0:66300c77c6e9	1373	int
tax	0:66300c77c6e9	1374	sifnpmode(int u, int proto, enum NPmode mode)
tax	0:66300c77c6e9	1375	{
tax	0:66300c77c6e9	1376	LWIP_UNUSED_ARG(u);
tax	0:66300c77c6e9	1377	LWIP_UNUSED_ARG(proto);
tax	0:66300c77c6e9	1378	LWIP_UNUSED_ARG(mode);
tax	0:66300c77c6e9	1379	return 0;
tax	0:66300c77c6e9	1380	}
tax	0:66300c77c6e9	1381
tax	0:66300c77c6e9	1382	/*
tax	0:66300c77c6e9	1383	* sifdown - Config the interface down and disable IP.
tax	0:66300c77c6e9	1384	*/
tax	0:66300c77c6e9	1385	int
tax	0:66300c77c6e9	1386	sifdown(int pd)
tax	0:66300c77c6e9	1387	{
tax	0:66300c77c6e9	1388	PPPControl *pc = &pppControl[pd];
tax	0:66300c77c6e9	1389	int st = 1;
tax	0:66300c77c6e9	1390
tax	0:66300c77c6e9	1391	if (pd < 0 \|\| pd >= NUM_PPP \|\| !pc->openFlag) {
tax	0:66300c77c6e9	1392	st = 0;
tax	0:66300c77c6e9	1393	PPPDEBUG(LOG_WARNING, ("sifdown[%d]: bad parms\n", pd));
tax	0:66300c77c6e9	1394	} else {
tax	0:66300c77c6e9	1395	pc->if_up = 0;
tax	0:66300c77c6e9	1396	/* make sure the netif status callback is called */
tax	0:66300c77c6e9	1397	netif_set_down(&pc->netif);
tax	0:66300c77c6e9	1398	netif_remove(&pc->netif);
tax	0:66300c77c6e9	1399	PPPDEBUG(LOG_DEBUG, ("sifdown: unit %d: linkStatusCB=%p errCode=%d\n", pd, pc->linkStatusCB, pc->errCode));
tax	0:66300c77c6e9	1400	if (pc->linkStatusCB) {
tax	0:66300c77c6e9	1401	pc->linkStatusCB(pc->linkStatusCtx, PPPERR_CONNECT, NULL);
tax	0:66300c77c6e9	1402	}
tax	0:66300c77c6e9	1403	}
tax	0:66300c77c6e9	1404	return st;
tax	0:66300c77c6e9	1405	}
tax	0:66300c77c6e9	1406
tax	0:66300c77c6e9	1407	/**
tax	0:66300c77c6e9	1408	* sifaddr - Config the interface IP addresses and netmask.
tax	0:66300c77c6e9	1409	* @param pd Interface unit ???
tax	0:66300c77c6e9	1410	* @param o Our IP address ???
tax	0:66300c77c6e9	1411	* @param h His IP address ???
tax	0:66300c77c6e9	1412	* @param m IP subnet mask ???
tax	0:66300c77c6e9	1413	* @param ns1 Primary DNS
tax	0:66300c77c6e9	1414	* @param ns2 Secondary DNS
tax	0:66300c77c6e9	1415	*/
tax	0:66300c77c6e9	1416	int
tax	0:66300c77c6e9	1417	sifaddr( int pd, u32_t o, u32_t h, u32_t m, u32_t ns1, u32_t ns2)
tax	0:66300c77c6e9	1418	{
tax	0:66300c77c6e9	1419	PPPControl *pc = &pppControl[pd];
tax	0:66300c77c6e9	1420	int st = 1;
tax	0:66300c77c6e9	1421
tax	0:66300c77c6e9	1422	if (pd < 0 \|\| pd >= NUM_PPP \|\| !pc->openFlag) {
tax	0:66300c77c6e9	1423	st = 0;
tax	0:66300c77c6e9	1424	PPPDEBUG(LOG_WARNING, ("sifup[%d]: bad parms\n", pd));
tax	0:66300c77c6e9	1425	} else {
tax	0:66300c77c6e9	1426	SMEMCPY(&pc->addrs.our_ipaddr, &o, sizeof(o));
tax	0:66300c77c6e9	1427	SMEMCPY(&pc->addrs.his_ipaddr, &h, sizeof(h));
tax	0:66300c77c6e9	1428	SMEMCPY(&pc->addrs.netmask, &m, sizeof(m));
tax	0:66300c77c6e9	1429	SMEMCPY(&pc->addrs.dns1, &ns1, sizeof(ns1));
tax	0:66300c77c6e9	1430	SMEMCPY(&pc->addrs.dns2, &ns2, sizeof(ns2));
tax	0:66300c77c6e9	1431	}
tax	0:66300c77c6e9	1432	return st;
tax	0:66300c77c6e9	1433	}
tax	0:66300c77c6e9	1434
tax	0:66300c77c6e9	1435	/**
tax	0:66300c77c6e9	1436	* cifaddr - Clear the interface IP addresses, and delete routes
tax	0:66300c77c6e9	1437	* through the interface if possible.
tax	0:66300c77c6e9	1438	* @param pd Interface unit ???
tax	0:66300c77c6e9	1439	* @param o Our IP address ???
tax	0:66300c77c6e9	1440	* @param h IP broadcast address ???
tax	0:66300c77c6e9	1441	*/
tax	0:66300c77c6e9	1442	int
tax	0:66300c77c6e9	1443	cifaddr( int pd, u32_t o, u32_t h)
tax	0:66300c77c6e9	1444	{
tax	0:66300c77c6e9	1445	PPPControl *pc = &pppControl[pd];
tax	0:66300c77c6e9	1446	int st = 1;
tax	0:66300c77c6e9	1447
tax	0:66300c77c6e9	1448	LWIP_UNUSED_ARG(o);
tax	0:66300c77c6e9	1449	LWIP_UNUSED_ARG(h);
tax	0:66300c77c6e9	1450	if (pd < 0 \|\| pd >= NUM_PPP \|\| !pc->openFlag) {
tax	0:66300c77c6e9	1451	st = 0;
tax	0:66300c77c6e9	1452	PPPDEBUG(LOG_WARNING, ("sifup[%d]: bad parms\n", pd));
tax	0:66300c77c6e9	1453	} else {
tax	0:66300c77c6e9	1454	IP4_ADDR(&pc->addrs.our_ipaddr, 0,0,0,0);
tax	0:66300c77c6e9	1455	IP4_ADDR(&pc->addrs.his_ipaddr, 0,0,0,0);
tax	0:66300c77c6e9	1456	IP4_ADDR(&pc->addrs.netmask, 255,255,255,0);
tax	0:66300c77c6e9	1457	IP4_ADDR(&pc->addrs.dns1, 0,0,0,0);
tax	0:66300c77c6e9	1458	IP4_ADDR(&pc->addrs.dns2, 0,0,0,0);
tax	0:66300c77c6e9	1459	}
tax	0:66300c77c6e9	1460	return st;
tax	0:66300c77c6e9	1461	}
tax	0:66300c77c6e9	1462
tax	0:66300c77c6e9	1463	/*
tax	0:66300c77c6e9	1464	* sifdefaultroute - assign a default route through the address given.
tax	0:66300c77c6e9	1465	*/
tax	0:66300c77c6e9	1466	int
tax	0:66300c77c6e9	1467	sifdefaultroute(int pd, u32_t l, u32_t g)
tax	0:66300c77c6e9	1468	{
tax	0:66300c77c6e9	1469	PPPControl *pc = &pppControl[pd];
tax	0:66300c77c6e9	1470	int st = 1;
tax	0:66300c77c6e9	1471
tax	0:66300c77c6e9	1472	LWIP_UNUSED_ARG(l);
tax	0:66300c77c6e9	1473	LWIP_UNUSED_ARG(g);
tax	0:66300c77c6e9	1474
tax	0:66300c77c6e9	1475	if (pd < 0 \|\| pd >= NUM_PPP \|\| !pc->openFlag) {
tax	0:66300c77c6e9	1476	st = 0;
tax	0:66300c77c6e9	1477	PPPDEBUG(LOG_WARNING, ("sifup[%d]: bad parms\n", pd));
tax	0:66300c77c6e9	1478	} else {
tax	0:66300c77c6e9	1479	netif_set_default(&pc->netif);
tax	0:66300c77c6e9	1480	}
tax	0:66300c77c6e9	1481
tax	0:66300c77c6e9	1482	/* TODO: check how PPP handled the netMask, previously not set by ipSetDefault */
tax	0:66300c77c6e9	1483
tax	0:66300c77c6e9	1484	return st;
tax	0:66300c77c6e9	1485	}
tax	0:66300c77c6e9	1486
tax	0:66300c77c6e9	1487	/*
tax	0:66300c77c6e9	1488	* cifdefaultroute - delete a default route through the address given.
tax	0:66300c77c6e9	1489	*/
tax	0:66300c77c6e9	1490	int
tax	0:66300c77c6e9	1491	cifdefaultroute(int pd, u32_t l, u32_t g)
tax	0:66300c77c6e9	1492	{
tax	0:66300c77c6e9	1493	PPPControl *pc = &pppControl[pd];
tax	0:66300c77c6e9	1494	int st = 1;
tax	0:66300c77c6e9	1495
tax	0:66300c77c6e9	1496	LWIP_UNUSED_ARG(l);
tax	0:66300c77c6e9	1497	LWIP_UNUSED_ARG(g);
tax	0:66300c77c6e9	1498
tax	0:66300c77c6e9	1499	if (pd < 0 \|\| pd >= NUM_PPP \|\| !pc->openFlag) {
tax	0:66300c77c6e9	1500	st = 0;
tax	0:66300c77c6e9	1501	PPPDEBUG(LOG_WARNING, ("sifup[%d]: bad parms\n", pd));
tax	0:66300c77c6e9	1502	} else {
tax	0:66300c77c6e9	1503	netif_set_default(NULL);
tax	0:66300c77c6e9	1504	}
tax	0:66300c77c6e9	1505
tax	0:66300c77c6e9	1506	return st;
tax	0:66300c77c6e9	1507	}
tax	0:66300c77c6e9	1508
tax	0:66300c77c6e9	1509	/**********************************/
tax	0:66300c77c6e9	1510	/* LOCAL FUNCTION DEFINITIONS */
tax	0:66300c77c6e9	1511	/**********************************/
tax	0:66300c77c6e9	1512
tax	0:66300c77c6e9	1513	#if PPPOS_SUPPORT && PPP_INPROC_OWNTHREAD
tax	0:66300c77c6e9	1514	/* The main PPP process function. This implements the state machine according
tax	0:66300c77c6e9	1515	* to section 4 of RFC 1661: The Point-To-Point Protocol. */
tax	0:66300c77c6e9	1516	static void
tax	0:66300c77c6e9	1517	pppInputThread(void *arg)
tax	0:66300c77c6e9	1518	{
tax	0:66300c77c6e9	1519	int count;
tax	0:66300c77c6e9	1520	PPPControlRx *pcrx = arg;
tax	0:66300c77c6e9	1521
tax	0:66300c77c6e9	1522	while (lcp_phase[pcrx->pd] != PHASE_DEAD) {
tax	0:66300c77c6e9	1523	count = sio_read(pcrx->fd, pcrx->rxbuf, PPPOS_RX_BUFSIZE);
tax	0:66300c77c6e9	1524	if(count > 0) {
tax	0:66300c77c6e9	1525	pppInProc(pcrx, pcrx->rxbuf, count);
tax	0:66300c77c6e9	1526	} else {
tax	0:66300c77c6e9	1527	/* nothing received, give other tasks a chance to run */
tax	0:66300c77c6e9	1528	sys_msleep(1);
tax	0:66300c77c6e9	1529	}
tax	0:66300c77c6e9	1530	}
tax	0:66300c77c6e9	1531	}
tax	0:66300c77c6e9	1532	#endif /* PPPOS_SUPPORT && PPP_INPROC_OWNTHREAD */
tax	0:66300c77c6e9	1533
tax	0:66300c77c6e9	1534	#if PPPOE_SUPPORT
tax	0:66300c77c6e9	1535
tax	0:66300c77c6e9	1536	void
tax	0:66300c77c6e9	1537	pppOverEthernetInitFailed(int pd)
tax	0:66300c77c6e9	1538	{
tax	0:66300c77c6e9	1539	PPPControl* pc;
tax	0:66300c77c6e9	1540
tax	0:66300c77c6e9	1541	pppHup(pd);
tax	0:66300c77c6e9	1542	pppStop(pd);
tax	0:66300c77c6e9	1543
tax	0:66300c77c6e9	1544	pc = &pppControl[pd];
tax	0:66300c77c6e9	1545	pppoe_destroy(&pc->netif);
tax	0:66300c77c6e9	1546	pc->openFlag = 0;
tax	0:66300c77c6e9	1547
tax	0:66300c77c6e9	1548	if(pc->linkStatusCB) {
tax	0:66300c77c6e9	1549	pc->linkStatusCB(pc->linkStatusCtx, pc->errCode ? pc->errCode : PPPERR_PROTOCOL, NULL);
tax	0:66300c77c6e9	1550	}
tax	0:66300c77c6e9	1551	}
tax	0:66300c77c6e9	1552
tax	0:66300c77c6e9	1553	static void
tax	0:66300c77c6e9	1554	pppOverEthernetLinkStatusCB(int pd, int up)
tax	0:66300c77c6e9	1555	{
tax	0:66300c77c6e9	1556	if(up) {
tax	0:66300c77c6e9	1557	PPPDEBUG(LOG_INFO, ("pppOverEthernetLinkStatusCB: unit %d: Connecting\n", pd));
tax	0:66300c77c6e9	1558	pppStart(pd);
tax	0:66300c77c6e9	1559	} else {
tax	0:66300c77c6e9	1560	pppOverEthernetInitFailed(pd);
tax	0:66300c77c6e9	1561	}
tax	0:66300c77c6e9	1562	}
tax	0:66300c77c6e9	1563	#endif /* PPPOE_SUPPORT */
tax	0:66300c77c6e9	1564
tax	0:66300c77c6e9	1565	struct pbuf *
tax	0:66300c77c6e9	1566	pppSingleBuf(struct pbuf *p)
tax	0:66300c77c6e9	1567	{
tax	0:66300c77c6e9	1568	struct pbuf q, b;
tax	0:66300c77c6e9	1569	u_char *pl;
tax	0:66300c77c6e9	1570
tax	0:66300c77c6e9	1571	if(p->tot_len == p->len) {
tax	0:66300c77c6e9	1572	return p;
tax	0:66300c77c6e9	1573	}
tax	0:66300c77c6e9	1574
tax	0:66300c77c6e9	1575	q = pbuf_alloc(PBUF_RAW, p->tot_len, PBUF_RAM);
tax	0:66300c77c6e9	1576	if(!q) {
tax	0:66300c77c6e9	1577	PPPDEBUG(LOG_ERR,
tax	0:66300c77c6e9	1578	("pppSingleBuf: unable to alloc new buf (%d)\n", p->tot_len));
tax	0:66300c77c6e9	1579	return p; /* live dangerously */
tax	0:66300c77c6e9	1580	}
tax	0:66300c77c6e9	1581
tax	0:66300c77c6e9	1582	for(b = p, pl = (u_char *) q->payload; b != NULL; b = b->next) {
tax	0:66300c77c6e9	1583	MEMCPY(pl, b->payload, b->len);
tax	0:66300c77c6e9	1584	pl += b->len;
tax	0:66300c77c6e9	1585	}
tax	0:66300c77c6e9	1586
tax	0:66300c77c6e9	1587	pbuf_free(p);
tax	0:66300c77c6e9	1588
tax	0:66300c77c6e9	1589	return q;
tax	0:66300c77c6e9	1590	}
tax	0:66300c77c6e9	1591
tax	0:66300c77c6e9	1592	struct pppInputHeader {
tax	0:66300c77c6e9	1593	int unit;
tax	0:66300c77c6e9	1594	u16_t proto;
tax	0:66300c77c6e9	1595	};
tax	0:66300c77c6e9	1596
tax	0:66300c77c6e9	1597	/*
tax	0:66300c77c6e9	1598	* Pass the processed input packet to the appropriate handler.
tax	0:66300c77c6e9	1599	* This function and all handlers run in the context of the tcpip_thread
tax	0:66300c77c6e9	1600	*/
tax	0:66300c77c6e9	1601	static void
tax	0:66300c77c6e9	1602	pppInput(void *arg)
tax	0:66300c77c6e9	1603	{
tax	0:66300c77c6e9	1604	struct pbuf nb = (struct pbuf )arg;
tax	0:66300c77c6e9	1605	u16_t protocol;
tax	0:66300c77c6e9	1606	int pd;
tax	0:66300c77c6e9	1607
tax	0:66300c77c6e9	1608	pd = ((struct pppInputHeader *)nb->payload)->unit;
tax	0:66300c77c6e9	1609	protocol = ((struct pppInputHeader *)nb->payload)->proto;
tax	0:66300c77c6e9	1610
tax	0:66300c77c6e9	1611	if(pbuf_header(nb, -(int)sizeof(struct pppInputHeader))) {
tax	0:66300c77c6e9	1612	LWIP_ASSERT("pbuf_header failed\n", 0);
tax	0:66300c77c6e9	1613	goto drop;
tax	0:66300c77c6e9	1614	}
tax	0:66300c77c6e9	1615
tax	0:66300c77c6e9	1616	LINK_STATS_INC(link.recv);
tax	0:66300c77c6e9	1617	snmp_inc_ifinucastpkts(&pppControl[pd].netif);
tax	0:66300c77c6e9	1618	snmp_add_ifinoctets(&pppControl[pd].netif, nb->tot_len);
tax	0:66300c77c6e9	1619
tax	0:66300c77c6e9	1620	/*
tax	0:66300c77c6e9	1621	* Toss all non-LCP packets unless LCP is OPEN.
tax	0:66300c77c6e9	1622	* Until we get past the authentication phase, toss all packets
tax	0:66300c77c6e9	1623	* except LCP, LQR and authentication packets.
tax	0:66300c77c6e9	1624	*/
tax	0:66300c77c6e9	1625	if((lcp_phase[pd] <= PHASE_AUTHENTICATE) && (protocol != PPP_LCP)) {
tax	0:66300c77c6e9	1626	if(!((protocol == PPP_LQR) \|\| (protocol == PPP_PAP) \|\| (protocol == PPP_CHAP)) \|\|
tax	0:66300c77c6e9	1627	(lcp_phase[pd] != PHASE_AUTHENTICATE)) {
tax	0:66300c77c6e9	1628	PPPDEBUG(LOG_INFO, ("pppInput: discarding proto 0x%"X16_F" in phase %d\n", protocol, lcp_phase[pd]));
tax	0:66300c77c6e9	1629	goto drop;
tax	0:66300c77c6e9	1630	}
tax	0:66300c77c6e9	1631	}
tax	0:66300c77c6e9	1632
tax	0:66300c77c6e9	1633	switch(protocol) {
tax	0:66300c77c6e9	1634	case PPP_VJC_COMP: /* VJ compressed TCP */
tax	0:66300c77c6e9	1635	#if PPPOS_SUPPORT && VJ_SUPPORT
tax	0:66300c77c6e9	1636	PPPDEBUG(LOG_INFO, ("pppInput[%d]: vj_comp in pbuf len=%d\n", pd, nb->len));
tax	0:66300c77c6e9	1637	/*
tax	0:66300c77c6e9	1638	* Clip off the VJ header and prepend the rebuilt TCP/IP header and
tax	0:66300c77c6e9	1639	* pass the result to IP.
tax	0:66300c77c6e9	1640	*/
tax	0:66300c77c6e9	1641	if ((vj_uncompress_tcp(&nb, &pppControl[pd].vjComp) >= 0) && (pppControl[pd].netif.input)) {
tax	0:66300c77c6e9	1642	pppControl[pd].netif.input(nb, &pppControl[pd].netif);
tax	0:66300c77c6e9	1643	return;
tax	0:66300c77c6e9	1644	}
tax	0:66300c77c6e9	1645	/* Something's wrong so drop it. */
tax	0:66300c77c6e9	1646	PPPDEBUG(LOG_WARNING, ("pppInput[%d]: Dropping VJ compressed\n", pd));
tax	0:66300c77c6e9	1647	#else /* PPPOS_SUPPORT && VJ_SUPPORT */
tax	0:66300c77c6e9	1648	/* No handler for this protocol so drop the packet. */
tax	0:66300c77c6e9	1649	PPPDEBUG(LOG_INFO, ("pppInput[%d]: drop VJ Comp in %d:%s\n", pd, nb->len, nb->payload));
tax	0:66300c77c6e9	1650	#endif /* PPPOS_SUPPORT && VJ_SUPPORT */
tax	0:66300c77c6e9	1651	break;
tax	0:66300c77c6e9	1652
tax	0:66300c77c6e9	1653	case PPP_VJC_UNCOMP: /* VJ uncompressed TCP */
tax	0:66300c77c6e9	1654	#if PPPOS_SUPPORT && VJ_SUPPORT
tax	0:66300c77c6e9	1655	PPPDEBUG(LOG_INFO, ("pppInput[%d]: vj_un in pbuf len=%d\n", pd, nb->len));
tax	0:66300c77c6e9	1656	/*
tax	0:66300c77c6e9	1657	* Process the TCP/IP header for VJ header compression and then pass
tax	0:66300c77c6e9	1658	* the packet to IP.
tax	0:66300c77c6e9	1659	*/
tax	0:66300c77c6e9	1660	if ((vj_uncompress_uncomp(nb, &pppControl[pd].vjComp) >= 0) && pppControl[pd].netif.input) {
tax	0:66300c77c6e9	1661	pppControl[pd].netif.input(nb, &pppControl[pd].netif);
tax	0:66300c77c6e9	1662	return;
tax	0:66300c77c6e9	1663	}
tax	0:66300c77c6e9	1664	/* Something's wrong so drop it. */
tax	0:66300c77c6e9	1665	PPPDEBUG(LOG_WARNING, ("pppInput[%d]: Dropping VJ uncompressed\n", pd));
tax	0:66300c77c6e9	1666	#else /* PPPOS_SUPPORT && VJ_SUPPORT */
tax	0:66300c77c6e9	1667	/* No handler for this protocol so drop the packet. */
tax	0:66300c77c6e9	1668	PPPDEBUG(LOG_INFO,
tax	0:66300c77c6e9	1669	("pppInput[%d]: drop VJ UnComp in %d:.*H\n",
tax	0:66300c77c6e9	1670	pd, nb->len, LWIP_MIN(nb->len * 2, 40), nb->payload));
tax	0:66300c77c6e9	1671	#endif /* PPPOS_SUPPORT && VJ_SUPPORT */
tax	0:66300c77c6e9	1672	break;
tax	0:66300c77c6e9	1673
tax	0:66300c77c6e9	1674	case PPP_IP: /* Internet Protocol */
tax	0:66300c77c6e9	1675	PPPDEBUG(LOG_INFO, ("pppInput[%d]: ip in pbuf len=%d\n", pd, nb->len));
tax	0:66300c77c6e9	1676	if (pppControl[pd].netif.input) {
tax	0:66300c77c6e9	1677	pppControl[pd].netif.input(nb, &pppControl[pd].netif);
tax	0:66300c77c6e9	1678	return;
tax	0:66300c77c6e9	1679	}
tax	0:66300c77c6e9	1680	break;
tax	0:66300c77c6e9	1681
tax	0:66300c77c6e9	1682	default: {
tax	0:66300c77c6e9	1683	struct protent *protp;
tax	0:66300c77c6e9	1684	int i;
tax	0:66300c77c6e9	1685
tax	0:66300c77c6e9	1686	/*
tax	0:66300c77c6e9	1687	* Upcall the proper protocol input routine.
tax	0:66300c77c6e9	1688	*/
tax	0:66300c77c6e9	1689	for (i = 0; (protp = ppp_protocols[i]) != NULL; ++i) {
tax	0:66300c77c6e9	1690	if (protp->protocol == protocol && protp->enabled_flag) {
tax	0:66300c77c6e9	1691	PPPDEBUG(LOG_INFO, ("pppInput[%d]: %s len=%d\n", pd, protp->name, nb->len));
tax	0:66300c77c6e9	1692	nb = pppSingleBuf(nb);
tax	0:66300c77c6e9	1693	(protp->input)(pd, (u_char )nb->payload, nb->len);
tax	0:66300c77c6e9	1694	PPPDEBUG(LOG_DETAIL, ("pppInput[%d]: packet processed\n", pd));
tax	0:66300c77c6e9	1695	goto out;
tax	0:66300c77c6e9	1696	}
tax	0:66300c77c6e9	1697	}
tax	0:66300c77c6e9	1698
tax	0:66300c77c6e9	1699	/* No handler for this protocol so reject the packet. */
tax	0:66300c77c6e9	1700	PPPDEBUG(LOG_INFO, ("pppInput[%d]: rejecting unsupported proto 0x%"X16_F" len=%d\n", pd, protocol, nb->len));
tax	0:66300c77c6e9	1701	if (pbuf_header(nb, sizeof(protocol))) {
tax	0:66300c77c6e9	1702	LWIP_ASSERT("pbuf_header failed\n", 0);
tax	0:66300c77c6e9	1703	goto drop;
tax	0:66300c77c6e9	1704	}
tax	0:66300c77c6e9	1705	#if BYTE_ORDER == LITTLE_ENDIAN
tax	0:66300c77c6e9	1706	protocol = htons(protocol);
tax	0:66300c77c6e9	1707	SMEMCPY(nb->payload, &protocol, sizeof(protocol));
tax	0:66300c77c6e9	1708	#endif /* BYTE_ORDER == LITTLE_ENDIAN */
tax	0:66300c77c6e9	1709	lcp_sprotrej(pd, (u_char *)nb->payload, nb->len);
tax	0:66300c77c6e9	1710	}
tax	0:66300c77c6e9	1711	break;
tax	0:66300c77c6e9	1712	}
tax	0:66300c77c6e9	1713
tax	0:66300c77c6e9	1714	drop:
tax	0:66300c77c6e9	1715	LINK_STATS_INC(link.drop);
tax	0:66300c77c6e9	1716	snmp_inc_ifindiscards(&pppControl[pd].netif);
tax	0:66300c77c6e9	1717
tax	0:66300c77c6e9	1718	out:
tax	0:66300c77c6e9	1719	pbuf_free(nb);
tax	0:66300c77c6e9	1720	return;
tax	0:66300c77c6e9	1721	}
tax	0:66300c77c6e9	1722
tax	0:66300c77c6e9	1723	#if PPPOS_SUPPORT
tax	0:66300c77c6e9	1724	/*
tax	0:66300c77c6e9	1725	* Drop the input packet.
tax	0:66300c77c6e9	1726	*/
tax	0:66300c77c6e9	1727	static void
tax	0:66300c77c6e9	1728	pppDrop(PPPControlRx *pcrx)
tax	0:66300c77c6e9	1729	{
tax	0:66300c77c6e9	1730	if (pcrx->inHead != NULL) {
tax	0:66300c77c6e9	1731	#if 0
tax	0:66300c77c6e9	1732	PPPDEBUG(LOG_INFO, ("pppDrop: %d:%.H\n", pcrx->inHead->len, min(60, pcrx->inHead->len 2), pcrx->inHead->payload));
tax	0:66300c77c6e9	1733	#endif
tax	0:66300c77c6e9	1734	PPPDEBUG(LOG_INFO, ("pppDrop: pbuf len=%d, addr %p\n", pcrx->inHead->len, (void*)pcrx->inHead));
tax	0:66300c77c6e9	1735	if (pcrx->inTail && (pcrx->inTail != pcrx->inHead)) {
tax	0:66300c77c6e9	1736	pbuf_free(pcrx->inTail);
tax	0:66300c77c6e9	1737	}
tax	0:66300c77c6e9	1738	pbuf_free(pcrx->inHead);
tax	0:66300c77c6e9	1739	pcrx->inHead = NULL;
tax	0:66300c77c6e9	1740	pcrx->inTail = NULL;
tax	0:66300c77c6e9	1741	}
tax	0:66300c77c6e9	1742	#if VJ_SUPPORT
tax	0:66300c77c6e9	1743	vj_uncompress_err(&pppControl[pcrx->pd].vjComp);
tax	0:66300c77c6e9	1744	#endif /* VJ_SUPPORT */
tax	0:66300c77c6e9	1745
tax	0:66300c77c6e9	1746	LINK_STATS_INC(link.drop);
tax	0:66300c77c6e9	1747	snmp_inc_ifindiscards(&pppControl[pcrx->pd].netif);
tax	0:66300c77c6e9	1748	}
tax	0:66300c77c6e9	1749
tax	0:66300c77c6e9	1750	/** Pass received raw characters to PPPoS to be decoded. This function is
tax	0:66300c77c6e9	1751	* thread-safe and can be called from a dedicated RX-thread or from a main-loop.
tax	0:66300c77c6e9	1752	*
tax	0:66300c77c6e9	1753	* @param pd PPP descriptor index, returned by pppOpen()
tax	0:66300c77c6e9	1754	* @param data received data
tax	0:66300c77c6e9	1755	* @param len length of received data
tax	0:66300c77c6e9	1756	*/
tax	0:66300c77c6e9	1757	void
tax	0:66300c77c6e9	1758	pppos_input(int pd, u_char* data, int len)
tax	0:66300c77c6e9	1759	{
tax	0:66300c77c6e9	1760	pppInProc(&pppControl[pd].rx, data, len);
tax	0:66300c77c6e9	1761	}
tax	0:66300c77c6e9	1762
tax	0:66300c77c6e9	1763	/**
tax	0:66300c77c6e9	1764	* Process a received octet string.
tax	0:66300c77c6e9	1765	*/
tax	0:66300c77c6e9	1766	static void
tax	0:66300c77c6e9	1767	pppInProc(PPPControlRx pcrx, u_char s, int l)
tax	0:66300c77c6e9	1768	{
tax	0:66300c77c6e9	1769	struct pbuf *nextNBuf;
tax	0:66300c77c6e9	1770	u_char curChar;
tax	0:66300c77c6e9	1771	u_char escaped;
tax	0:66300c77c6e9	1772	SYS_ARCH_DECL_PROTECT(lev);
tax	0:66300c77c6e9	1773
tax	0:66300c77c6e9	1774	PPPDEBUG(LOG_DEBUG, ("pppInProc[%d]: got %d bytes\n", pcrx->pd, l));
tax	0:66300c77c6e9	1775	while (l-- > 0) {
tax	0:66300c77c6e9	1776	curChar = *s++;
tax	0:66300c77c6e9	1777
tax	0:66300c77c6e9	1778	SYS_ARCH_PROTECT(lev);
tax	0:66300c77c6e9	1779	escaped = ESCAPE_P(pcrx->inACCM, curChar);
tax	0:66300c77c6e9	1780	SYS_ARCH_UNPROTECT(lev);
tax	0:66300c77c6e9	1781	/* Handle special characters. */
tax	0:66300c77c6e9	1782	if (escaped) {
tax	0:66300c77c6e9	1783	/* Check for escape sequences. */
tax	0:66300c77c6e9	1784	/* XXX Note that this does not handle an escaped 0x5d character which
tax	0:66300c77c6e9	1785	* would appear as an escape character. Since this is an ASCII ']'
tax	0:66300c77c6e9	1786	* and there is no reason that I know of to escape it, I won't complicate
tax	0:66300c77c6e9	1787	* the code to handle this case. GLL */
tax	0:66300c77c6e9	1788	if (curChar == PPP_ESCAPE) {
tax	0:66300c77c6e9	1789	pcrx->inEscaped = 1;
tax	0:66300c77c6e9	1790	/* Check for the flag character. */
tax	0:66300c77c6e9	1791	} else if (curChar == PPP_FLAG) {
tax	0:66300c77c6e9	1792	/* If this is just an extra flag character, ignore it. */
tax	0:66300c77c6e9	1793	if (pcrx->inState <= PDADDRESS) {
tax	0:66300c77c6e9	1794	/* ignore it */;
tax	0:66300c77c6e9	1795	/* If we haven't received the packet header, drop what has come in. */
tax	0:66300c77c6e9	1796	} else if (pcrx->inState < PDDATA) {
tax	0:66300c77c6e9	1797	PPPDEBUG(LOG_WARNING,
tax	0:66300c77c6e9	1798	("pppInProc[%d]: Dropping incomplete packet %d\n",
tax	0:66300c77c6e9	1799	pcrx->pd, pcrx->inState));
tax	0:66300c77c6e9	1800	LINK_STATS_INC(link.lenerr);
tax	0:66300c77c6e9	1801	pppDrop(pcrx);
tax	0:66300c77c6e9	1802	/* If the fcs is invalid, drop the packet. */
tax	0:66300c77c6e9	1803	} else if (pcrx->inFCS != PPP_GOODFCS) {
tax	0:66300c77c6e9	1804	PPPDEBUG(LOG_INFO,
tax	0:66300c77c6e9	1805	("pppInProc[%d]: Dropping bad fcs 0x%"X16_F" proto=0x%"X16_F"\n",
tax	0:66300c77c6e9	1806	pcrx->pd, pcrx->inFCS, pcrx->inProtocol));
tax	0:66300c77c6e9	1807	/* Note: If you get lots of these, check for UART frame errors or try different baud rate */
tax	0:66300c77c6e9	1808	LINK_STATS_INC(link.chkerr);
tax	0:66300c77c6e9	1809	pppDrop(pcrx);
tax	0:66300c77c6e9	1810	/* Otherwise it's a good packet so pass it on. */
tax	0:66300c77c6e9	1811	} else {
tax	0:66300c77c6e9	1812	/* Trim off the checksum. */
tax	0:66300c77c6e9	1813	if(pcrx->inTail->len >= 2) {
tax	0:66300c77c6e9	1814	pcrx->inTail->len -= 2;
tax	0:66300c77c6e9	1815
tax	0:66300c77c6e9	1816	pcrx->inTail->tot_len = pcrx->inTail->len;
tax	0:66300c77c6e9	1817	if (pcrx->inTail != pcrx->inHead) {
tax	0:66300c77c6e9	1818	pbuf_cat(pcrx->inHead, pcrx->inTail);
tax	0:66300c77c6e9	1819	}
tax	0:66300c77c6e9	1820	} else {
tax	0:66300c77c6e9	1821	pcrx->inTail->tot_len = pcrx->inTail->len;
tax	0:66300c77c6e9	1822	if (pcrx->inTail != pcrx->inHead) {
tax	0:66300c77c6e9	1823	pbuf_cat(pcrx->inHead, pcrx->inTail);
tax	0:66300c77c6e9	1824	}
tax	0:66300c77c6e9	1825
tax	0:66300c77c6e9	1826	pbuf_realloc(pcrx->inHead, pcrx->inHead->tot_len - 2);
tax	0:66300c77c6e9	1827	}
tax	0:66300c77c6e9	1828
tax	0:66300c77c6e9	1829	/* Dispatch the packet thereby consuming it. */
tax	0:66300c77c6e9	1830	#if PPP_INPROC_MULTITHREADED
tax	0:66300c77c6e9	1831	if(tcpip_callback_with_block(pppInput, pcrx->inHead, 0) != ERR_OK) {
tax	0:66300c77c6e9	1832	PPPDEBUG(LOG_ERR, ("pppInProc[%d]: tcpip_callback() failed, dropping packet\n", pcrx->pd));
tax	0:66300c77c6e9	1833	pbuf_free(pcrx->inHead);
tax	0:66300c77c6e9	1834	LINK_STATS_INC(link.drop);
tax	0:66300c77c6e9	1835	snmp_inc_ifindiscards(&pppControl[pcrx->pd].netif);
tax	0:66300c77c6e9	1836	}
tax	0:66300c77c6e9	1837	#else /* PPP_INPROC_MULTITHREADED */
tax	0:66300c77c6e9	1838	pppInput(pcrx->inHead);
tax	0:66300c77c6e9	1839	#endif /* PPP_INPROC_MULTITHREADED */
tax	0:66300c77c6e9	1840	pcrx->inHead = NULL;
tax	0:66300c77c6e9	1841	pcrx->inTail = NULL;
tax	0:66300c77c6e9	1842	}
tax	0:66300c77c6e9	1843
tax	0:66300c77c6e9	1844	/* Prepare for a new packet. */
tax	0:66300c77c6e9	1845	pcrx->inFCS = PPP_INITFCS;
tax	0:66300c77c6e9	1846	pcrx->inState = PDADDRESS;
tax	0:66300c77c6e9	1847	pcrx->inEscaped = 0;
tax	0:66300c77c6e9	1848	/* Other characters are usually control characters that may have
tax	0:66300c77c6e9	1849	* been inserted by the physical layer so here we just drop them. */
tax	0:66300c77c6e9	1850	} else {
tax	0:66300c77c6e9	1851	PPPDEBUG(LOG_WARNING,
tax	0:66300c77c6e9	1852	("pppInProc[%d]: Dropping ACCM char <%d>\n", pcrx->pd, curChar));
tax	0:66300c77c6e9	1853	}
tax	0:66300c77c6e9	1854	/* Process other characters. */
tax	0:66300c77c6e9	1855	} else {
tax	0:66300c77c6e9	1856	/* Unencode escaped characters. */
tax	0:66300c77c6e9	1857	if (pcrx->inEscaped) {
tax	0:66300c77c6e9	1858	pcrx->inEscaped = 0;
tax	0:66300c77c6e9	1859	curChar ^= PPP_TRANS;
tax	0:66300c77c6e9	1860	}
tax	0:66300c77c6e9	1861
tax	0:66300c77c6e9	1862	/* Process character relative to current state. */
tax	0:66300c77c6e9	1863	switch(pcrx->inState) {
tax	0:66300c77c6e9	1864	case PDIDLE: /* Idle state - waiting. */
tax	0:66300c77c6e9	1865	/* Drop the character if it's not 0xff
tax	0:66300c77c6e9	1866	* we would have processed a flag character above. */
tax	0:66300c77c6e9	1867	if (curChar != PPP_ALLSTATIONS) {
tax	0:66300c77c6e9	1868	break;
tax	0:66300c77c6e9	1869	}
tax	0:66300c77c6e9	1870
tax	0:66300c77c6e9	1871	/* Fall through */
tax	0:66300c77c6e9	1872	case PDSTART: /* Process start flag. */
tax	0:66300c77c6e9	1873	/* Prepare for a new packet. */
tax	0:66300c77c6e9	1874	pcrx->inFCS = PPP_INITFCS;
tax	0:66300c77c6e9	1875
tax	0:66300c77c6e9	1876	/* Fall through */
tax	0:66300c77c6e9	1877	case PDADDRESS: /* Process address field. */
tax	0:66300c77c6e9	1878	if (curChar == PPP_ALLSTATIONS) {
tax	0:66300c77c6e9	1879	pcrx->inState = PDCONTROL;
tax	0:66300c77c6e9	1880	break;
tax	0:66300c77c6e9	1881	}
tax	0:66300c77c6e9	1882	/* Else assume compressed address and control fields so
tax	0:66300c77c6e9	1883	* fall through to get the protocol... */
tax	0:66300c77c6e9	1884	case PDCONTROL: /* Process control field. */
tax	0:66300c77c6e9	1885	/* If we don't get a valid control code, restart. */
tax	0:66300c77c6e9	1886	if (curChar == PPP_UI) {
tax	0:66300c77c6e9	1887	pcrx->inState = PDPROTOCOL1;
tax	0:66300c77c6e9	1888	break;
tax	0:66300c77c6e9	1889	}
tax	0:66300c77c6e9	1890	#if 0
tax	0:66300c77c6e9	1891	else {
tax	0:66300c77c6e9	1892	PPPDEBUG(LOG_WARNING,
tax	0:66300c77c6e9	1893	("pppInProc[%d]: Invalid control <%d>\n", pcrx->pd, curChar));
tax	0:66300c77c6e9	1894	pcrx->inState = PDSTART;
tax	0:66300c77c6e9	1895	}
tax	0:66300c77c6e9	1896	#endif
tax	0:66300c77c6e9	1897	case PDPROTOCOL1: /* Process protocol field 1. */
tax	0:66300c77c6e9	1898	/* If the lower bit is set, this is the end of the protocol
tax	0:66300c77c6e9	1899	* field. */
tax	0:66300c77c6e9	1900	if (curChar & 1) {
tax	0:66300c77c6e9	1901	pcrx->inProtocol = curChar;
tax	0:66300c77c6e9	1902	pcrx->inState = PDDATA;
tax	0:66300c77c6e9	1903	} else {
tax	0:66300c77c6e9	1904	pcrx->inProtocol = (u_int)curChar << 8;
tax	0:66300c77c6e9	1905	pcrx->inState = PDPROTOCOL2;
tax	0:66300c77c6e9	1906	}
tax	0:66300c77c6e9	1907	break;
tax	0:66300c77c6e9	1908	case PDPROTOCOL2: /* Process protocol field 2. */
tax	0:66300c77c6e9	1909	pcrx->inProtocol \|= curChar;
tax	0:66300c77c6e9	1910	pcrx->inState = PDDATA;
tax	0:66300c77c6e9	1911	break;
tax	0:66300c77c6e9	1912	case PDDATA: /* Process data byte. */
tax	0:66300c77c6e9	1913	/* Make space to receive processed data. */
tax	0:66300c77c6e9	1914	if (pcrx->inTail == NULL \|\| pcrx->inTail->len == PBUF_POOL_BUFSIZE) {
tax	0:66300c77c6e9	1915	if(pcrx->inTail) {
tax	0:66300c77c6e9	1916	pcrx->inTail->tot_len = pcrx->inTail->len;
tax	0:66300c77c6e9	1917	if (pcrx->inTail != pcrx->inHead) {
tax	0:66300c77c6e9	1918	pbuf_cat(pcrx->inHead, pcrx->inTail);
tax	0:66300c77c6e9	1919	}
tax	0:66300c77c6e9	1920	}
tax	0:66300c77c6e9	1921	/* If we haven't started a packet, we need a packet header. */
tax	0:66300c77c6e9	1922	nextNBuf = pbuf_alloc(PBUF_RAW, 0, PBUF_POOL);
tax	0:66300c77c6e9	1923	if (nextNBuf == NULL) {
tax	0:66300c77c6e9	1924	/* No free buffers. Drop the input packet and let the
tax	0:66300c77c6e9	1925	* higher layers deal with it. Continue processing
tax	0:66300c77c6e9	1926	* the received pbuf chain in case a new packet starts. */
tax	0:66300c77c6e9	1927	PPPDEBUG(LOG_ERR, ("pppInProc[%d]: NO FREE MBUFS!\n", pcrx->pd));
tax	0:66300c77c6e9	1928	LINK_STATS_INC(link.memerr);
tax	0:66300c77c6e9	1929	pppDrop(pcrx);
tax	0:66300c77c6e9	1930	pcrx->inState = PDSTART; /* Wait for flag sequence. */
tax	0:66300c77c6e9	1931	break;
tax	0:66300c77c6e9	1932	}
tax	0:66300c77c6e9	1933	if (pcrx->inHead == NULL) {
tax	0:66300c77c6e9	1934	struct pppInputHeader pih = (struct pppInputHeader )nextNBuf->payload;
tax	0:66300c77c6e9	1935
tax	0:66300c77c6e9	1936	pih->unit = pcrx->pd;
tax	0:66300c77c6e9	1937	pih->proto = pcrx->inProtocol;
tax	0:66300c77c6e9	1938
tax	0:66300c77c6e9	1939	nextNBuf->len += sizeof(*pih);
tax	0:66300c77c6e9	1940
tax	0:66300c77c6e9	1941	pcrx->inHead = nextNBuf;
tax	0:66300c77c6e9	1942	}
tax	0:66300c77c6e9	1943	pcrx->inTail = nextNBuf;
tax	0:66300c77c6e9	1944	}
tax	0:66300c77c6e9	1945	/* Load character into buffer. */
tax	0:66300c77c6e9	1946	((u_char*)pcrx->inTail->payload)[pcrx->inTail->len++] = curChar;
tax	0:66300c77c6e9	1947	break;
tax	0:66300c77c6e9	1948	}
tax	0:66300c77c6e9	1949
tax	0:66300c77c6e9	1950	/* update the frame check sequence number. */
tax	0:66300c77c6e9	1951	pcrx->inFCS = PPP_FCS(pcrx->inFCS, curChar);
tax	0:66300c77c6e9	1952	}
tax	0:66300c77c6e9	1953	} /* while (l-- > 0), all bytes processed */
tax	0:66300c77c6e9	1954
tax	0:66300c77c6e9	1955	avRandomize();
tax	0:66300c77c6e9	1956	}
tax	0:66300c77c6e9	1957	#endif /* PPPOS_SUPPORT */
tax	0:66300c77c6e9	1958
tax	0:66300c77c6e9	1959	#if PPPOE_SUPPORT
tax	0:66300c77c6e9	1960	void
tax	0:66300c77c6e9	1961	pppInProcOverEthernet(int pd, struct pbuf *pb)
tax	0:66300c77c6e9	1962	{
tax	0:66300c77c6e9	1963	struct pppInputHeader *pih;
tax	0:66300c77c6e9	1964	u16_t inProtocol;
tax	0:66300c77c6e9	1965
tax	0:66300c77c6e9	1966	if(pb->len < sizeof(inProtocol)) {
tax	0:66300c77c6e9	1967	PPPDEBUG(LOG_ERR, ("pppInProcOverEthernet: too small for protocol field\n"));
tax	0:66300c77c6e9	1968	goto drop;
tax	0:66300c77c6e9	1969	}
tax	0:66300c77c6e9	1970
tax	0:66300c77c6e9	1971	inProtocol = (((u8_t )pb->payload)[0] << 8) \| ((u8_t)pb->payload)[1];
tax	0:66300c77c6e9	1972
tax	0:66300c77c6e9	1973	/* make room for pppInputHeader - should not fail */
tax	0:66300c77c6e9	1974	if (pbuf_header(pb, sizeof(*pih) - sizeof(inProtocol)) != 0) {
tax	0:66300c77c6e9	1975	PPPDEBUG(LOG_ERR, ("pppInProcOverEthernet: could not allocate room for header\n"));
tax	0:66300c77c6e9	1976	goto drop;
tax	0:66300c77c6e9	1977	}
tax	0:66300c77c6e9	1978
tax	0:66300c77c6e9	1979	pih = pb->payload;
tax	0:66300c77c6e9	1980
tax	0:66300c77c6e9	1981	pih->unit = pd;
tax	0:66300c77c6e9	1982	pih->proto = inProtocol;
tax	0:66300c77c6e9	1983
tax	0:66300c77c6e9	1984	/* Dispatch the packet thereby consuming it. */
tax	0:66300c77c6e9	1985	pppInput(pb);
tax	0:66300c77c6e9	1986	return;
tax	0:66300c77c6e9	1987
tax	0:66300c77c6e9	1988	drop:
tax	0:66300c77c6e9	1989	LINK_STATS_INC(link.drop);
tax	0:66300c77c6e9	1990	snmp_inc_ifindiscards(&pppControl[pd].netif);
tax	0:66300c77c6e9	1991	pbuf_free(pb);
tax	0:66300c77c6e9	1992	return;
tax	0:66300c77c6e9	1993	}
tax	0:66300c77c6e9	1994	#endif /* PPPOE_SUPPORT */
tax	0:66300c77c6e9	1995
tax	0:66300c77c6e9	1996	#if LWIP_NETIF_STATUS_CALLBACK
tax	0:66300c77c6e9	1997	/** Set the status callback of a PPP's netif
tax	0:66300c77c6e9	1998	*
tax	0:66300c77c6e9	1999	* @param pd The PPP descriptor returned by pppOpen()
tax	0:66300c77c6e9	2000	* @param status_callback pointer to the status callback function
tax	0:66300c77c6e9	2001	*
tax	0:66300c77c6e9	2002	* @see netif_set_status_callback
tax	0:66300c77c6e9	2003	*/
tax	0:66300c77c6e9	2004	void
tax	0:66300c77c6e9	2005	ppp_set_netif_statuscallback(int pd, netif_status_callback_fn status_callback)
tax	0:66300c77c6e9	2006	{
tax	0:66300c77c6e9	2007	netif_set_status_callback(&pppControl[pd].netif, status_callback);
tax	0:66300c77c6e9	2008	}
tax	0:66300c77c6e9	2009	#endif /* LWIP_NETIF_STATUS_CALLBACK */
tax	0:66300c77c6e9	2010
tax	0:66300c77c6e9	2011	#if LWIP_NETIF_LINK_CALLBACK
tax	0:66300c77c6e9	2012	/** Set the link callback of a PPP's netif
tax	0:66300c77c6e9	2013	*
tax	0:66300c77c6e9	2014	* @param pd The PPP descriptor returned by pppOpen()
tax	0:66300c77c6e9	2015	* @param link_callback pointer to the link callback function
tax	0:66300c77c6e9	2016	*
tax	0:66300c77c6e9	2017	* @see netif_set_link_callback
tax	0:66300c77c6e9	2018	*/
tax	0:66300c77c6e9	2019	void
tax	0:66300c77c6e9	2020	ppp_set_netif_linkcallback(int pd, netif_status_callback_fn link_callback)
tax	0:66300c77c6e9	2021	{
tax	0:66300c77c6e9	2022	netif_set_link_callback(&pppControl[pd].netif, link_callback);
tax	0:66300c77c6e9	2023	}
tax	0:66300c77c6e9	2024	#endif /* LWIP_NETIF_LINK_CALLBACK */
tax	0:66300c77c6e9	2025
tax	0:66300c77c6e9	2026	#endif /* PPP_SUPPORT */

Repository toolbox

Export to desktop IDE

Build repository

Repository details

Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	29 Mar 2011
Imports:	16
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	2

lwip/netif/ppp/ppp.c@0:66300c77c6e9, 2011-03-29 (annotated)

Who changed what in which revision?

Repository toolbox

Repository details

Important Information for this Arm website

Access Warning