| 1 | /*
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| 2 | * TINET (TCP/IP Protocol Stack)
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| 3 | *
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| 4 | * Copyright (C) 2001-2017 by Dep. of Computer Science and Engineering
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| 5 | * Tomakomai National College of Technology, JAPAN
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| 6 | *
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| 7 | * ä¸è¨èä½æ¨©è
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| 8 | ã¯ï¼ä»¥ä¸ã® (1)ï½(4) ã®æ¡ä»¶ãï¼Free Software Foundation
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| 9 | * ã«ãã£ã¦å
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| 10 | ¬è¡¨ããã¦ãã GNU General Public License ã® Version 2 ã«è¨
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| 11 | * è¿°ããã¦ããæ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§ã¢
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| 12 | * ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»åé
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| 13 | å¸ï¼ä»¥ä¸ï¼
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| 14 | * å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 15 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 16 | * 権表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãï¼ãã®ã¾ã¾ã®å½¢ã§ã½ã¼
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| 17 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 18 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 19 | * ç¨ã§ããå½¢ã§åé
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| 20 | å¸ããå ´åã«ã¯ï¼åé
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| 21 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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| 22 | * è
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| 23 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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| 24 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 25 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 26 | * ç¨ã§ããªãå½¢ã§åé
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| 27 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®æ¡ä»¶ãæºãããã¨ï¼
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| 28 | * (a) åé
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| 29 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 30 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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| 31 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 32 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 33 | * 害ãããï¼ä¸è¨èä½æ¨©è
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| 34 | ããã³TOPPERSããã¸ã§ã¯ããå
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| 35 | 責ãããã¨ï¼
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| 36 | *
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| 37 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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| 38 | ã
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| 39 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ãã®é©ç¨å¯è½æ§ã
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| 40 | * å«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´
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| 41 | * æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
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| 42 | *
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| 43 | * @(#) $Id: if.c 388 2019-05-22 11:25:18Z coas-nagasima $
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| 44 | */
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| 45 |
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| 46 | /*
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| 47 | * Copyright (c) 1980, 1986, 1993
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| 48 | * The Regents of the University of California. All rights reserved.
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| 49 | *
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| 50 | * Redistribution and use in source and binary forms, with or without
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| 51 | * modification, are permitted provided that the following conditions
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| 52 | * are met:
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| 53 | * 1. Redistributions of source code must retain the above copyright
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| 54 | * notice, this list of conditions and the following disclaimer.
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| 55 | * 2. Redistributions in binary form must reproduce the above copyright
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| 56 | * notice, this list of conditions and the following disclaimer in the
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| 57 | * documentation and/or other materials provided with the distribution.
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| 58 | * 3. All advertising materials mentioning features or use of this software
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| 59 | * must display the following acknowledgement:
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| 60 | * This product includes software developed by the University of
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| 61 | * California, Berkeley and its contributors.
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| 62 | * 4. Neither the name of the University nor the names of its contributors
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| 63 | * may be used to endorse or promote products derived from this software
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| 64 | * without specific prior written permission.
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| 65 | *
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| 66 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 67 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 68 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 69 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 70 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 71 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 72 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 73 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 74 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 75 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 76 | * SUCH DAMAGE.
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| 77 | *
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| 78 | * @(#)if.c 8.3 (Berkeley) 1/4/94
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| 79 | * $FreeBSD: src/sys/net/if.c,v 1.64.2.1 1999/08/29 16:28:14 peter Exp $
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| 80 | */
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| 81 |
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| 82 | #ifdef TARGET_KERNEL_ASP
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| 83 |
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| 84 | #include <kernel.h>
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| 85 | #include <sil.h>
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| 86 |
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| 87 | #endif /* of #ifdef TARGET_KERNEL_ASP */
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| 88 |
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| 89 | #ifdef TARGET_KERNEL_JSP
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| 90 |
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| 91 | #include <s_services.h>
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| 92 | #include <t_services.h>
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| 93 |
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| 94 | #endif /* of #ifdef TARGET_KERNEL_JSP */
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| 95 |
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| 96 | #include <tinet_defs.h>
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| 97 | #include <tinet_config.h>
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| 98 |
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| 99 | #include <net/if.h>
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| 100 | #include <net/if_ppp.h>
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| 101 | #include <net/if_loop.h>
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| 102 | #include <net/ethernet.h>
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| 103 | #include <net/if_arp.h>
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| 104 | #include <net/net.h>
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| 105 | #include <net/net_endian.h>
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| 106 | #include <net/net_timer.h>
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| 107 |
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| 108 | #include <netinet/in.h>
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| 109 | #include <netinet/in_var.h>
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| 110 |
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| 111 | #include <netinet6/in6.h>
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| 112 | #include <netinet6/in6_var.h>
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| 113 |
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| 114 | #include <net/if_var.h>
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| 115 |
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| 116 | #ifdef SUPPORT_ETHER
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| 117 |
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| 118 | /*
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| 119 | * é¢æ°
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| 120 | */
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| 121 |
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| 122 | static void if_slowtimo (void *ignore);
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| 123 |
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| 124 | /*
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| 125 | * if_slowtimo -- ã¤ã³ã¿ãã§ã¼ã¹ã®ã¯ããããã°ã¿ã¤ãå¶å¾¡
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| 126 | */
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| 127 |
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| 128 | static void
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| 129 | if_slowtimo (void *ignore)
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| 130 | {
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| 131 | T_IF_SOFTC *ic;
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| 132 |
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| 133 | ic = IF_ETHER_NIC_GET_SOFTC();
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| 134 |
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| 135 | if (ic->timer > 0) {
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| 136 | ic->timer --;
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| 137 | if (ic->timer == 0)
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| 138 | IF_ETHER_NIC_WATCHDOG(ic);
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| 139 | }
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| 140 | timeout(if_slowtimo, NULL, IF_TIMER_TMO);
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| 141 | }
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| 142 |
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| 143 | /*
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| 144 | * ifinit -- ã¤ã³ã¿ãã§ã¼ã¹ç®¡çã®åæå
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| 145 | */
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| 146 |
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| 147 | void
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| 148 | ifinit (void)
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| 149 | {
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| 150 | timeout(if_slowtimo, NULL, IF_TIMER_TMO);
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| 151 | }
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| 152 |
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| 153 | #endif /* of #ifdef SUPPORT_ETHER */
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| 154 |
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| 155 | #ifdef _IP6_CFG
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| 156 |
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| 157 | /*
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| 158 | * if_addmulti -- ãã«ããã£ã¹ãã¢ãã¬ã¹ã®ç»é²
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| 159 | */
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| 160 |
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| 161 | ER
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| 162 | if_addmulti (T_IFNET *ifp, void *maddr, uint8_t type)
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| 163 | {
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| 164 | #if MAX_IF_MADDR_CNT > 0
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| 165 |
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| 166 | T_IF_ADDR llmaddr;
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| 167 | ER error = E_OK;
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| 168 | int_t ix;
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| 169 |
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| 170 | if (type == AT_INET6) {
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| 171 |
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| 172 | if ((ix = in6_addr2maix((T_IN6_ADDR*)maddr)) == IPV6_MADDR_IX_EXTRA)
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| 173 | return E_PAR;
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| 174 |
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| 175 | /* IPv6 ãã«ããã£ã¹ãã¢ãã¬ã¹ãç»é²ããã*/
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| 176 | ifp->in6_maddrs[ix] = *(T_IN6_ADDR*)maddr;
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| 177 |
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| 178 | /* ã¤ã³ã¿ãã§ã¼ã¹ã®ã¢ãã¬ã¹ã«å¤æããç»é²ããã*/
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| 179 | error = IF_IN6_RESOLVE_MULTICAST(&llmaddr, (T_IN6_ADDR*)maddr);
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| 180 | if (error != E_OK)
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| 181 | return error;
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| 182 | ifp->ic->maddrs[ix] = llmaddr;
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| 183 | }
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| 184 |
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| 185 | return IF_ADDMULTI(ifp->ic);
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| 186 |
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| 187 | #else /* of #if MAX_IF_MADDR_CNT > 0 */
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| 188 |
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| 189 | return E_OK;
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| 190 |
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| 191 | #endif /* of #if MAX_IF_MADDR_CNT > 0 */
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| 192 | }
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| 193 |
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| 194 | #endif /* of #ifdef _IP6_CFG */
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