| if_spppsubr.c (88503) | if_spppsubr.c (88506) |
|---|---|
| 1/* 2 * Synchronous PPP/Cisco link level subroutines. 3 * Keepalive protocol implemented in both Cisco and PPP modes. 4 * 5 * Copyright (C) 1994-1996 Cronyx Engineering Ltd. 6 * Author: Serge Vakulenko, <vak@cronyx.ru> 7 * 8 * Heavily revamped to conform to RFC 1661. 9 * Copyright (C) 1997, Joerg Wunsch. 10 * 11 * This software is distributed with NO WARRANTIES, not even the implied 12 * warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 13 * 14 * Authors grant any other persons or organisations permission to use 15 * or modify this software as long as this message is kept with the software, 16 * all derivative works or modified versions. 17 * 18 * From: Version 2.4, Thu Apr 30 17:17:21 MSD 1997 19 * | 1/* 2 * Synchronous PPP/Cisco link level subroutines. 3 * Keepalive protocol implemented in both Cisco and PPP modes. 4 * 5 * Copyright (C) 1994-1996 Cronyx Engineering Ltd. 6 * Author: Serge Vakulenko, <vak@cronyx.ru> 7 * 8 * Heavily revamped to conform to RFC 1661. 9 * Copyright (C) 1997, Joerg Wunsch. 10 * 11 * This software is distributed with NO WARRANTIES, not even the implied 12 * warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 13 * 14 * Authors grant any other persons or organisations permission to use 15 * or modify this software as long as this message is kept with the software, 16 * all derivative works or modified versions. 17 * 18 * From: Version 2.4, Thu Apr 30 17:17:21 MSD 1997 19 * |
| 20 * $FreeBSD: head/sys/net/if_spppsubr.c 88503 2001-12-26 20:28:41Z joerg $ | 20 * $FreeBSD: head/sys/net/if_spppsubr.c 88506 2001-12-26 22:00:13Z joerg $ |
| 21 */ 22 23#include <sys/param.h> 24 25#if defined(__FreeBSD__) && __FreeBSD__ >= 3 26#include "opt_inet.h" 27#include "opt_inet6.h" 28#include "opt_ipx.h" --- 2180 unchanged lines hidden (view full) --- 2209 /* Gonna NAK it. */ 2210 p[2] = nmagic >> 24; 2211 p[3] = nmagic >> 16; 2212 p[4] = nmagic >> 8; 2213 p[5] = nmagic; 2214 break; 2215 2216 case LCP_OPT_ASYNC_MAP: | 21 */ 22 23#include <sys/param.h> 24 25#if defined(__FreeBSD__) && __FreeBSD__ >= 3 26#include "opt_inet.h" 27#include "opt_inet6.h" 28#include "opt_ipx.h" --- 2180 unchanged lines hidden (view full) --- 2209 /* Gonna NAK it. */ 2210 p[2] = nmagic >> 24; 2211 p[3] = nmagic >> 16; 2212 p[4] = nmagic >> 8; 2213 p[5] = nmagic; 2214 break; 2215 2216 case LCP_OPT_ASYNC_MAP: |
| 2217 /* Async control character map -- check to be zero. */ 2218 if (! p[2] && ! p[3] && ! p[4] && ! p[5]) { 2219 if (debug) 2220 log(-1, "[empty] "); 2221 continue; 2222 } 2223 if (debug) 2224 log(-1, "[non-empty] "); 2225 /* suggest a zero one */ 2226 p[2] = p[3] = p[4] = p[5] = 0; 2227 break; | 2217 /* 2218 * Async control character map -- just ignore it. 2219 * 2220 * Quote from RFC 1662, chapter 6: 2221 * To enable this functionality, synchronous PPP 2222 * implementations MUST always respond to the 2223 * Async-Control-Character-Map Configuration 2224 * Option with the LCP Configure-Ack. However, 2225 * acceptance of the Configuration Option does 2226 * not imply that the synchronous implementation 2227 * will do any ACCM mapping. Instead, all such 2228 * octet mapping will be performed by the 2229 * asynchronous-to-synchronous converter. 2230 */ 2231 continue; |
| 2228 2229 case LCP_OPT_MRU: 2230 /* 2231 * Maximum receive unit. Always agreeable, 2232 * but ignored by now. 2233 */ 2234 sp->lcp.their_mru = p[2] * 256 + p[3]; 2235 if (debug) --- 2843 unchanged lines hidden --- | 2232 2233 case LCP_OPT_MRU: 2234 /* 2235 * Maximum receive unit. Always agreeable, 2236 * but ignored by now. 2237 */ 2238 sp->lcp.their_mru = p[2] * 256 + p[3]; 2239 if (debug) --- 2843 unchanged lines hidden --- |