| [388] | 1 | /*
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| 2 | * TINET (UDP/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: udp_usrreq_nblk.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) 1982, 1986, 1988, 1990, 1993, 1995
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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 ceproduce 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 | * @(#)udp_usrreq.c 8.6 (Berkeley) 5/23/95
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| 79 | * $FreeBSD: src/sys/netinet/udp_usrreq.c,v 1.49.2.2 1999/08/29 16:29:58 peter Exp $
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| 80 | */
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| 81 |
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| 82 | #include <string.h>
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| 83 |
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| 84 | #ifdef TARGET_KERNEL_ASP
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| 85 |
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| 86 | #include <kernel.h>
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| 87 | #include <sil.h>
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| 88 | #include "kernel_cfg.h"
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| 89 | #include "tinet_cfg.h"
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| 90 |
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| 91 | #endif /* of #ifdef TARGET_KERNEL_ASP */
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| 92 |
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| 93 | #ifdef TARGET_KERNEL_JSP
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| 94 |
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| 95 | #include <s_services.h>
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| 96 | #include <t_services.h>
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| 97 | #include "kernel_id.h"
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| 98 | #include "tinet_id.h"
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| 99 |
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| 100 | #endif /* of #ifdef TARGET_KERNEL_JSP */
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| 101 |
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| 102 | #include <tinet_defs.h>
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| 103 | #include <tinet_config.h>
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| 104 |
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| 105 | #include <net/if.h>
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| 106 | #include <net/if_ppp.h>
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| 107 | #include <net/if_loop.h>
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| 108 | #include <net/ethernet.h>
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| 109 | #include <net/net.h>
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| 110 | #include <net/net_endian.h>
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| 111 | #include <net/net_buf.h>
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| 112 | #include <net/net_count.h>
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| 113 | #include <net/ppp_ipcp.h>
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| 114 |
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| 115 | #include <netinet/in.h>
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| 116 | #include <netinet/in_var.h>
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| 117 | #include <netinet/in_itron.h>
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| 118 | #include <netinet/ip.h>
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| 119 | #include <netinet/ip_var.h>
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| 120 | #include <netinet/ip_icmp.h>
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| 121 | #include <netinet/udp.h>
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| 122 | #include <netinet/udp_var.h>
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| 123 |
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| 124 | #ifdef SUPPORT_UDP
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| 125 |
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| 126 | /*
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| 127 | * TINET ãã©ã¤ãã©ãªåããªãå ´åã¯ãå
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| 128 | ¨ã¦ã®æ©è½ã
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| 129 | * ãªãã¸ã§ã¯ããã¡ã¤ã«ã«åºåããããããã¯ããæå¹ã«ããã
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| 130 | */
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| 131 |
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| 132 | #ifndef UDP_CFG_LIBRARY
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| 133 |
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| 134 | #define __udp_can_snd_nblk
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| 135 | #define __udp_can_rcv_nblk
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| 136 | #define __udp_snd_dat_nblk
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| 137 | #define __udp_rcv_dat_nblk
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| 138 |
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| 139 | #endif /* of #ifndef UDP_CFG_LIBRARY */
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| 140 |
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| 141 | #ifdef UDP_CFG_NON_BLOCKING
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| 142 |
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| 143 | /*
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| 144 | * IPv6 㨠IPv4 ã§å¼æ°ãç°ãªãé¢æ°ã®ã³ã³ãã¤ã«
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| 145 | */
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| 146 |
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| 147 | #undef IN_COPY_TO_HOST
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| 148 |
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| 149 | #if defined(SUPPORT_INET6) && TNUM_UDP6_CEPID > 0
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| 150 |
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| 151 | #define UDP_SND_DAT udp6_snd_dat
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| 152 | #define UDP_RCV_DAT udp6_rcv_dat
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| 153 | #define UDP_CAN_SND udp6_can_snd
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| 154 | #define UDP_CAN_RCV udp6_can_rcv
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| 155 | #define UDP_ALLOC_AUTO_PORT udp6_alloc_auto_port
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| 156 | #define UDP_SEND_DATA udp6_send_data
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| 157 | #define VALID_UDP_CEPID VALID_UDP6_CEPID
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| 158 | #define GET_UDP_CEP GET_UDP6_CEP
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| 159 | #define GET_UDP_CEPID GET_UDP6_CEPID
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| 160 | #define T_UDP_CEP T_UDP6_CEP
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| 161 | #define T_IPEP T_IPV6EP
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| 162 | #define API_PROTO API_PROTO_IPV6
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| 163 |
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| 164 | #if defined(SUPPORT_INET4)
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| 165 | #define IN_COPY_TO_HOST inn_copy_to_host
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| 166 | #else
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| 167 | #define IN_COPY_TO_HOST IN6_COPY_TO_HOST
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| 168 | #endif
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| 169 |
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| 170 | #include <netinet/udpn_usrreq_nblk.c>
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| 171 |
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| 172 | #undef UDP_SND_DAT
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| 173 | #undef UDP_RCV_DAT
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| 174 | #undef UDP_CAN_SND
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| 175 | #undef UDP_CAN_RCV
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| 176 | #undef UDP_ALLOC_AUTO_PORT
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| 177 | #undef UDP_SEND_DATA
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| 178 | #undef VALID_UDP_CEPID
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| 179 | #undef GET_UDP_CEP
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| 180 | #undef GET_UDP_CEPID
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| 181 | #undef T_UDP_CEP
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| 182 | #undef T_IPEP
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| 183 | #undef API_PROTO
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| 184 | #undef IN_COPY_TO_HOST
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| 185 |
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| 186 | #endif /* of #if defined(SUPPORT_INET6) && TNUM_UDP6_CEPID > 0 */
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| 187 |
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| 188 | #if defined(SUPPORT_INET4) && TNUM_UDP4_CEPID > 0
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| 189 |
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| 190 | #define UDP_SND_DAT udp_snd_dat
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| 191 | #define UDP_RCV_DAT udp_rcv_dat
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| 192 | #define UDP_CAN_SND udp4_can_snd
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| 193 | #define UDP_CAN_RCV udp4_can_rcv
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| 194 | #define UDP_ALLOC_AUTO_PORT udp4_alloc_auto_port
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| 195 | #define UDP_SEND_DATA udp4_send_data
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| 196 | #define VALID_UDP_CEPID VALID_UDP4_CEPID
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| 197 | #define GET_UDP_CEP GET_UDP4_CEP
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| 198 | #define GET_UDP_CEPID GET_UDP4_CEPID
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| 199 | #define T_UDP_CEP T_UDP4_CEP
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| 200 | #define T_IPEP T_IPV4EP
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| 201 | #define API_PROTO API_PROTO_IPV4
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| 202 |
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| 203 | #define IN_COPY_TO_HOST IN4_COPY_TO_HOST
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| 204 |
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| 205 | #include <netinet/udpn_usrreq_nblk.c>
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| 206 |
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| 207 | #endif /* of #if defined(SUPPORT_INET4) && TNUM_UDP4_CEPID > 0 */
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| 208 |
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| 209 | #endif /* of #ifdef UDP_CFG_NON_BLOCKING */
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| 210 |
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| 211 | #endif /* of #ifdef SUPPORT_UDP */
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